src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25 #include "api.h"
  26
  27
  28 #define DEBUG_JOYSTICKS                         0
  29
  30
  31 // screens on the info screen
  32 #define INFO_MODE_MAIN                          0
  33 #define INFO_MODE_TITLE                         1
  34 #define INFO_MODE_ELEMENTS                      2
  35 #define INFO_MODE_MUSIC                         3
  36 #define INFO_MODE_CREDITS                       4
  37 #define INFO_MODE_PROGRAM                       5
  38 #define INFO_MODE_VERSION                       6
  39 #define INFO_MODE_LEVELSET                      7
  40
  41 #define MAX_INFO_MODES                          8
  42
  43 // screens on the setup screen
  44 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
  45 // (should also match corresponding entries in src/conf_gfx.c)
  46 #define SETUP_MODE_MAIN                         0
  47 #define SETUP_MODE_GAME                         1
  48 #define SETUP_MODE_ENGINES                      2
  49 #define SETUP_MODE_EDITOR                       3
  50 #define SETUP_MODE_GRAPHICS                     4
  51 #define SETUP_MODE_SOUND                        5
  52 #define SETUP_MODE_ARTWORK                      6
  53 #define SETUP_MODE_INPUT                        7
  54 #define SETUP_MODE_TOUCH                        8
  55 #define SETUP_MODE_SHORTCUTS                    9
  56 #define SETUP_MODE_SHORTCUTS_1                  10
  57 #define SETUP_MODE_SHORTCUTS_2                  11
  58 #define SETUP_MODE_SHORTCUTS_3                  12
  59 #define SETUP_MODE_SHORTCUTS_4                  13
  60 #define SETUP_MODE_SHORTCUTS_5                  14
  61
  62 // sub-screens on the setup screen (generic)
  63 #define SETUP_MODE_CHOOSE_ARTWORK               15
  64 #define SETUP_MODE_CHOOSE_OTHER                 16
  65
  66 // sub-screens on the setup screen (specific)
  67 #define SETUP_MODE_CHOOSE_SCORES_TYPE           17
  68 #define SETUP_MODE_CHOOSE_GAME_SPEED            18
  69 #define SETUP_MODE_CHOOSE_SCROLL_DELAY          19
  70 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE         20
  71 #define SETUP_MODE_CHOOSE_WINDOW_SIZE           21
  72 #define SETUP_MODE_CHOOSE_SCALING_TYPE          22
  73 #define SETUP_MODE_CHOOSE_RENDERING             23
  74 #define SETUP_MODE_CHOOSE_VSYNC                 24
  75 #define SETUP_MODE_CHOOSE_GRAPHICS              25
  76 #define SETUP_MODE_CHOOSE_SOUNDS                26
  77 #define SETUP_MODE_CHOOSE_MUSIC                 27
  78 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE         28
  79 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS          29
  80 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC          30
  81 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL         31
  82 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE         32
  83 #define SETUP_MODE_CHOOSE_DROP_DISTANCE         33
  84 #define SETUP_MODE_CHOOSE_TRANSPARENCY          34
  85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0          35
  86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0          36
  87 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1          37
  88 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1          38
  89 #define SETUP_MODE_CONFIG_VIRT_BUTTONS          39
  90
  91 #define MAX_SETUP_MODES                         40
  92
  93 #define MAX_MENU_MODES                          MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  94
  95 // info screen titles
  96 #define STR_INFO_MAIN                           "Info Screen"
  97 #define STR_INFO_TITLE                          "Title Screen"
  98 #define STR_INFO_ELEMENTS                       "Game Elements"
  99 #define STR_INFO_MUSIC                          "Music Info"
 100 #define STR_INFO_CREDITS                        "Credits"
 101 #define STR_INFO_PROGRAM                        "Program Info"
 102 #define STR_INFO_VERSION                        "Version Info"
 103 #define STR_INFO_LEVELSET                       "Level Set Info"
 104 #define STR_INFO_EXIT                           "Exit"
 105
 106 // setup screen titles
 107 #define STR_SETUP_MAIN                          "Setup"
 108 #define STR_SETUP_GAME                          "Game & Menu"
 109 #define STR_SETUP_ENGINES                       "Game Engines"
 110 #define STR_SETUP_EDITOR                        "Editor"
 111 #define STR_SETUP_GRAPHICS                      "Graphics"
 112 #define STR_SETUP_SOUND                         "Sound & Music"
 113 #define STR_SETUP_ARTWORK                       "Custom Artwork"
 114 #define STR_SETUP_INPUT                         "Input Devices"
 115 #define STR_SETUP_TOUCH                         "Touch Controls"
 116 #define STR_SETUP_SHORTCUTS                     "Key Shortcuts"
 117 #define STR_SETUP_EXIT                          "Exit"
 118 #define STR_SETUP_SAVE_AND_EXIT                 "Save and Exit"
 119
 120 #define STR_SETUP_CHOOSE_SCORES_TYPE            "Scores Type"
 121 #define STR_SETUP_CHOOSE_GAME_SPEED             "Game Speed"
 122 #define STR_SETUP_CHOOSE_SCROLL_DELAY           "Scroll Delay"
 123 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE          "Snapshot Mode"
 124 #define STR_SETUP_CHOOSE_WINDOW_SIZE            "Window Scaling"
 125 #define STR_SETUP_CHOOSE_SCALING_TYPE           "Anti-Aliasing"
 126 #define STR_SETUP_CHOOSE_RENDERING              "Rendering Mode"
 127 #define STR_SETUP_CHOOSE_VSYNC                  "VSync Mode"
 128 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE          "Sound Volume"
 129 #define STR_SETUP_CHOOSE_VOLUME_LOOPS           "Loops Volume"
 130 #define STR_SETUP_CHOOSE_VOLUME_MUSIC           "Music Volume"
 131 #define STR_SETUP_CHOOSE_TOUCH_CONTROL          "Control Type"
 132 #define STR_SETUP_CHOOSE_MOVE_DISTANCE          "Move Distance"
 133 #define STR_SETUP_CHOOSE_DROP_DISTANCE          "Drop Distance"
 134 #define STR_SETUP_CHOOSE_TRANSPARENCY           "Transparency"
 135 #define STR_SETUP_CHOOSE_GRID_XSIZE_0           "Horiz. Buttons"
 136 #define STR_SETUP_CHOOSE_GRID_YSIZE_0           "Vert. Buttons"
 137 #define STR_SETUP_CHOOSE_GRID_XSIZE_1           "Horiz. Buttons"
 138 #define STR_SETUP_CHOOSE_GRID_YSIZE_1           "Vert. Buttons"
 139
 140 // other screen text constants
 141 #define STR_CHOOSE_TREE_EDIT                    "Edit"
 142 #define MENU_CHOOSE_TREE_FONT(x)                (FONT_TEXT_1 + (x))
 143 #define MENU_CHOOSE_TREE_COLOR(ti, a)           TREE_COLOR(ti, a)
 144
 145 #define TEXT_MAIN_MENU                          "Press any key or button for main menu"
 146 #define TEXT_INFO_MENU                          "Press any key or button for info menu"
 147 #define TEXT_NEXT_PAGE                          "Press any key or button for next page"
 148 #define TEXT_NEXT_MENU                          (info_screens_from_main ?               \
 149                                                  TEXT_MAIN_MENU : TEXT_INFO_MENU)
 150
 151 // for input setup functions
 152 #define SETUPINPUT_SCREEN_POS_START             0
 153 #define SETUPINPUT_SCREEN_POS_EMPTY1            3
 154 #define SETUPINPUT_SCREEN_POS_EMPTY2            12
 155 #define SETUPINPUT_SCREEN_POS_END               13
 156
 157 #define MENU_SETUP_FONT_TITLE                   FONT_TEXT_1
 158 #define MENU_SETUP_FONT_TEXT                    FONT_TITLE_2
 159
 160 #define MAX_SETUP_TEXT_INPUT_LEN                28
 161
 162 // for various menu stuff
 163 #define MENU_SCREEN_START_XPOS                  1
 164 #define MENU_SCREEN_START_YPOS                  2
 165 #define MENU_SCREEN_VALUE_XPOS                  (SCR_FIELDX - 3)
 166 #define MENU_SCREEN_TEXT2_XPOS                  (SCR_FIELDX - 2)
 167 #define MENU_SCREEN_MAX_XPOS                    (SCR_FIELDX - 1)
 168 #define MENU_TITLE1_YPOS                        8
 169 #define MENU_TITLE2_YPOS                        46
 170 #define MENU_INFO_FONT_TITLE                    FONT_TEXT_1
 171 #define MENU_INFO_FONT_HEAD                     FONT_TEXT_2
 172 #define MENU_INFO_FONT_TEXT                     FONT_TEXT_3
 173 #define MENU_INFO_FONT_FOOT                     FONT_TEXT_4
 174 #define MENU_INFO_SPACE_HEAD                    (menu.headline2_spacing_info[info_mode])
 175 #define MENU_SCREEN_INFO_SPACE_LEFT             (menu.left_spacing_info[info_mode])
 176 #define MENU_SCREEN_INFO_SPACE_MIDDLE           (menu.middle_spacing_info[info_mode])
 177 #define MENU_SCREEN_INFO_SPACE_RIGHT            (menu.right_spacing_info[info_mode])
 178 #define MENU_SCREEN_INFO_SPACE_TOP              (menu.top_spacing_info[info_mode])
 179 #define MENU_SCREEN_INFO_SPACE_BOTTOM           (menu.bottom_spacing_info[info_mode])
 180 #define MENU_SCREEN_INFO_SPACE_LINE             (menu.line_spacing_info[info_mode])
 181 #define MENU_SCREEN_INFO_SPACE_EXTRA            (menu.extra_spacing_info[info_mode])
 182 #define MENU_SCREEN_INFO_TILE_SIZE_RAW          (menu.tile_size_info[info_mode])
 183 #define MENU_SCREEN_INFO_TILE_SIZE              (MENU_SCREEN_INFO_TILE_SIZE_RAW > 0 ?           \
 184                                                  MENU_SCREEN_INFO_TILE_SIZE_RAW : TILEY)
 185 #define MENU_SCREEN_INFO_ENTRY_SIZE_RAW         (menu.list_entry_size_info[info_mode])
 186 #define MENU_SCREEN_INFO_ENTRY_SIZE             (MAX(MENU_SCREEN_INFO_ENTRY_SIZE_RAW,           \
 187                                                      MENU_SCREEN_INFO_TILE_SIZE))
 188 #define MENU_SCREEN_INFO_YSTART                 MENU_SCREEN_INFO_SPACE_TOP
 189 #define MENU_SCREEN_INFO_YSTEP                  (MENU_SCREEN_INFO_ENTRY_SIZE +                  \
 190                                                  MENU_SCREEN_INFO_SPACE_EXTRA)
 191 #define MENU_SCREEN_INFO_YBOTTOM                (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 192 #define MENU_SCREEN_INFO_YSIZE                  (MENU_SCREEN_INFO_YBOTTOM -                     \
 193                                                  MENU_SCREEN_INFO_YSTART - TILEY / 2)
 194 #define MAX_INFO_ELEMENTS_IN_ARRAY              128
 195 #define MAX_INFO_ELEMENTS_ON_SCREEN             (SYSIZE / TILEY)
 196 #define MAX_INFO_ELEMENTS                       MIN(MAX_INFO_ELEMENTS_IN_ARRAY,                 \
 197                                                     MAX_INFO_ELEMENTS_ON_SCREEN)
 198 #define STD_INFO_ELEMENTS_ON_SCREEN             10
 199 #define DYN_INFO_ELEMENTS_ON_SCREEN             (MENU_SCREEN_INFO_YSIZE / MENU_SCREEN_INFO_YSTEP)
 200 #define DEFAULT_INFO_ELEMENTS                   MIN(STD_INFO_ELEMENTS_ON_SCREEN,                \
 201                                                     DYN_INFO_ELEMENTS_ON_SCREEN)
 202 #define NUM_INFO_ELEMENTS_FROM_CONF                                     \
 203                                 (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?       \
 204                                  menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :           \
 205                                  DEFAULT_INFO_ELEMENTS)
 206 #define NUM_INFO_ELEMENTS_ON_SCREEN             MIN(NUM_INFO_ELEMENTS_FROM_CONF, MAX_INFO_ELEMENTS)
 207 #define MAX_MENU_ENTRIES_ON_SCREEN              (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 208 #define MAX_MENU_TEXT_LENGTH_BIG                13
 209 #define MAX_MENU_TEXT_LENGTH_MEDIUM             (MAX_MENU_TEXT_LENGTH_BIG * 2)
 210
 211 // screen gadget identifiers
 212 #define SCREEN_CTRL_ID_PREV_LEVEL               0
 213 #define SCREEN_CTRL_ID_NEXT_LEVEL               1
 214 #define SCREEN_CTRL_ID_PREV_LEVEL2              2
 215 #define SCREEN_CTRL_ID_NEXT_LEVEL2              3
 216 #define SCREEN_CTRL_ID_PREV_SCORE               4
 217 #define SCREEN_CTRL_ID_NEXT_SCORE               5
 218 #define SCREEN_CTRL_ID_PLAY_TAPE                6
 219 #define SCREEN_CTRL_ID_FIRST_LEVEL              7
 220 #define SCREEN_CTRL_ID_LAST_LEVEL               8
 221 #define SCREEN_CTRL_ID_LEVEL_NUMBER             9
 222 #define SCREEN_CTRL_ID_PREV_PLAYER              10
 223 #define SCREEN_CTRL_ID_NEXT_PLAYER              11
 224 #define SCREEN_CTRL_ID_INSERT_SOLUTION          12
 225 #define SCREEN_CTRL_ID_PLAY_SOLUTION            13
 226 #define SCREEN_CTRL_ID_LEVELSET_INFO            14
 227 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA           15
 228 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE          16
 229 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE          17
 230 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2         18
 231 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2         19
 232
 233 #define NUM_SCREEN_MENUBUTTONS                  20
 234
 235 #define SCREEN_CTRL_ID_SCROLL_UP                20
 236 #define SCREEN_CTRL_ID_SCROLL_DOWN              21
 237 #define SCREEN_CTRL_ID_SCROLL_VERTICAL          22
 238 #define SCREEN_CTRL_ID_NETWORK_SERVER           23
 239
 240 #define NUM_SCREEN_GADGETS                      24
 241
 242 #define NUM_SCREEN_SCROLLBUTTONS                2
 243 #define NUM_SCREEN_SCROLLBARS                   1
 244 #define NUM_SCREEN_TEXTINPUT                    1
 245
 246 #define SCREEN_MASK_MAIN                        (1 << 0)
 247 #define SCREEN_MASK_MAIN_HAS_SOLUTION           (1 << 1)
 248 #define SCREEN_MASK_MAIN_HAS_SET_INFO           (1 << 2)
 249 #define SCREEN_MASK_INPUT                       (1 << 3)
 250 #define SCREEN_MASK_TOUCH                       (1 << 4)
 251 #define SCREEN_MASK_TOUCH2                      (1 << 5)
 252 #define SCREEN_MASK_SCORES                      (1 << 6)
 253 #define SCREEN_MASK_SCORES_INFO                 (1 << 7)
 254
 255 // graphic position and size values for buttons and scrollbars
 256 #define SC_MENUBUTTON_XSIZE                     TILEX
 257 #define SC_MENUBUTTON_YSIZE                     TILEY
 258
 259 #define SC_SCROLLBUTTON_XSIZE                   TILEX
 260 #define SC_SCROLLBUTTON_YSIZE                   TILEY
 261
 262 #define SC_SCROLLBAR_XPOS                       (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 263
 264 #define SC_SCROLL_VERTICAL_XSIZE                SC_SCROLLBUTTON_XSIZE
 265 #define SC_SCROLL_VERTICAL_YSIZE                ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 266                                                  SC_SCROLLBUTTON_YSIZE)
 267
 268 #define SC_SCROLL_UP_XPOS                       SC_SCROLLBAR_XPOS
 269 #define SC_SCROLL_UP_YPOS                       (2 * SC_SCROLLBUTTON_YSIZE)
 270
 271 #define SC_SCROLL_VERTICAL_XPOS                 SC_SCROLLBAR_XPOS
 272 #define SC_SCROLL_VERTICAL_YPOS                 (SC_SCROLL_UP_YPOS + \
 273                                                  SC_SCROLLBUTTON_YSIZE)
 274
 275 #define SC_SCROLL_DOWN_XPOS                     SC_SCROLLBAR_XPOS
 276 #define SC_SCROLL_DOWN_YPOS                     (SC_SCROLL_VERTICAL_YPOS + \
 277                                                  SC_SCROLL_VERTICAL_YSIZE)
 278
 279 #define SC_BORDER_SIZE                          14
 280
 281
 282 // forward declarations of internal functions
 283 static void HandleScreenGadgets(struct GadgetInfo *);
 284 static void HandleSetupScreen_Generic(int, int, int, int, int);
 285 static void HandleSetupScreen_Input(int, int, int, int, int);
 286 static void CustomizeKeyboard(int);
 287 static void ConfigureJoystick(int);
 288 static void ConfigureVirtualButtons(void);
 289 static void execSetupGame(void);
 290 static void execSetupEngines(void);
 291 static void execSetupGraphics(void);
 292 static void execSetupSound(void);
 293 static void execSetupTouch(void);
 294 static void execSetupArtwork(void);
 295 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 296
 297 static void DrawChoosePlayerName(void);
 298 static void DrawChooseLevelSet(void);
 299 static void DrawChooseLevelNr(void);
 300 static void DrawScoreInfo(int);
 301 static void DrawScoreInfo_Content(int);
 302 static void DrawInfoScreen(void);
 303 static void DrawSetupScreen(void);
 304 static void DrawTypeName(void);
 305
 306 static void DrawInfoScreen_NotAvailable(char *, char *);
 307 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 308 static void DrawInfoScreen_HelpText(int, int, int, int);
 309 static void HandleInfoScreen_Main(int, int, int, int, int);
 310 static void HandleInfoScreen_TitleScreen(int, int, int);
 311 static void HandleInfoScreen_Elements(int, int, int);
 312 static void HandleInfoScreen_Music(int, int, int);
 313 static void HandleInfoScreen_Version(int);
 314 static void HandleInfoScreen_Generic(int, int, int);
 315
 316 static void ModifyGameSpeedIfNeeded(void);
 317 static void DisableVsyncIfNeeded(void);
 318
 319 static void RedrawScreenMenuGadgets(int);
 320 static void MapScreenMenuGadgets(int);
 321 static void UnmapScreenMenuGadgets(int);
 322 static void MapScreenGadgets(int);
 323 static void UnmapScreenGadgets(void);
 324 static void MapScreenTreeGadgets(TreeInfo *);
 325 static void UnmapScreenTreeGadgets(void);
 326
 327 static void UpdateScreenMenuGadgets(int, boolean);
 328 static void AdjustScoreInfoButtons_SelectScore(int, int, int);
 329 static void AdjustScoreInfoButtons_PlayTape(int, int, boolean);
 330
 331 static boolean OfferUploadTapes(void);
 332 static void execOfferUploadTapes(void);
 333
 334 static void DrawHallOfFame_setScoreEntries(void);
 335 static void HandleHallOfFame_SelectLevel(int, int);
 336 static char *getHallOfFameRankText(int, int);
 337 static char *getHallOfFameScoreText(int, int);
 338 static char *getInfoScreenTitle_Generic(void);
 339 static int getInfoScreenBackgroundImage_Generic(void);
 340 static int getInfoScreenBackgroundSound_Generic(void);
 341 static int getInfoScreenBackgroundMusic_Generic(void);
 342
 343 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *);
 344
 345 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 346
 347 static int info_mode = INFO_MODE_MAIN;
 348 static int setup_mode = SETUP_MODE_MAIN;
 349
 350 static boolean info_screens_from_main = FALSE;
 351
 352 static TreeInfo *window_sizes = NULL;
 353 static TreeInfo *window_size_current = NULL;
 354
 355 static TreeInfo *scaling_types = NULL;
 356 static TreeInfo *scaling_type_current = NULL;
 357
 358 static TreeInfo *rendering_modes = NULL;
 359 static TreeInfo *rendering_mode_current = NULL;
 360
 361 static TreeInfo *vsync_modes = NULL;
 362 static TreeInfo *vsync_mode_current = NULL;
 363
 364 static TreeInfo *scroll_delays = NULL;
 365 static TreeInfo *scroll_delay_current = NULL;
 366
 367 static TreeInfo *snapshot_modes = NULL;
 368 static TreeInfo *snapshot_mode_current = NULL;
 369
 370 static TreeInfo *scores_types = NULL;
 371 static TreeInfo *scores_type_current = NULL;
 372
 373 static TreeInfo *game_speeds_normal = NULL;
 374 static TreeInfo *game_speeds_extended = NULL;
 375 static TreeInfo *game_speeds = NULL;
 376 static TreeInfo *game_speed_current = NULL;
 377
 378 static TreeInfo *volumes_simple = NULL;
 379 static TreeInfo *volume_simple_current = NULL;
 380
 381 static TreeInfo *volumes_loops = NULL;
 382 static TreeInfo *volume_loops_current = NULL;
 383
 384 static TreeInfo *volumes_music = NULL;
 385 static TreeInfo *volume_music_current = NULL;
 386
 387 static TreeInfo *touch_controls = NULL;
 388 static TreeInfo *touch_control_current = NULL;
 389
 390 static TreeInfo *move_distances = NULL;
 391 static TreeInfo *move_distance_current = NULL;
 392
 393 static TreeInfo *drop_distances = NULL;
 394 static TreeInfo *drop_distance_current = NULL;
 395
 396 static TreeInfo *transparencies = NULL;
 397 static TreeInfo *transparency_current = NULL;
 398
 399 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 400 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 401
 402 static TreeInfo *player_name = NULL;
 403 static TreeInfo *player_name_current = NULL;
 404
 405 static TreeInfo *level_number = NULL;
 406 static TreeInfo *level_number_current = NULL;
 407
 408 static TreeInfo *score_entries = NULL;
 409 static TreeInfo *score_entry_current = NULL;
 410
 411 static struct ValueTextInfo window_sizes_list[] =
 412 {
 413   {     50,     "50 %"                          },
 414   {     80,     "80 %"                          },
 415   {     90,     "90 %"                          },
 416   {     100,    "100 % (Default)"               },
 417   {     110,    "110 %"                         },
 418   {     120,    "120 %"                         },
 419   {     130,    "130 %"                         },
 420   {     140,    "140 %"                         },
 421   {     150,    "150 %"                         },
 422   {     200,    "200 %"                         },
 423   {     250,    "250 %"                         },
 424   {     300,    "300 %"                         },
 425
 426   {     -1,     NULL                            },
 427 };
 428
 429 static struct StringValueTextInfo scaling_types_list[] =
 430 {
 431   {     SCALING_QUALITY_NEAREST, "Off"          },
 432   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 433   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 434
 435   {     NULL,                    NULL           },
 436 };
 437
 438 static struct StringValueTextInfo rendering_modes_list[] =
 439 {
 440   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)"        },
 441   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"          },
 442 #if DEBUG
 443   // this mode may work under certain conditions, but does not work on Windows
 444   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"          },
 445 #endif
 446   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"          },
 447
 448   {     NULL,                            NULL                                   },
 449 };
 450
 451 static struct StringValueTextInfo vsync_modes_list[] =
 452 {
 453   {     STR_VSYNC_MODE_OFF,             "Off"           },
 454   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 455   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 456
 457   {     NULL,                            NULL           },
 458 };
 459
 460 static struct StringValueTextInfo scores_types_list[] =
 461 {
 462   {     STR_SCORES_TYPE_LOCAL_ONLY,         "Local scores only"         },
 463   {     STR_SCORES_TYPE_SERVER_ONLY,        "Server scores only"        },
 464   {     STR_SCORES_TYPE_LOCAL_AND_SERVER,   "Local and server scores"   },
 465
 466   {     NULL,                           NULL            },
 467 };
 468
 469 static struct ValueTextInfo game_speeds_list_normal[] =
 470 {
 471   {     30,     "Very Slow"                     },
 472   {     25,     "Slow"                          },
 473   {     20,     "Normal"                        },
 474   {     15,     "Fast"                          },
 475   {     10,     "Very Fast"                     },
 476
 477   {     -1,     NULL                            },
 478 };
 479
 480 static struct ValueTextInfo game_speeds_list_extended[] =
 481 {
 482   {     1000,   "1 fps (Extremely Slow)"        },
 483   {     500,    "2 fps"                         },
 484   {     200,    "5 fps"                         },
 485   {     100,    "10 fps"                        },
 486   {     50,     "20 fps"                        },
 487   {     29,     "35 fps (Original Supaplex)"    },
 488   {     25,     "40 fps"                        },
 489   {     20,     "50 fps (=== Normal Speed ===)" },
 490   {     16,     "60 fps (60 Hz VSync Speed)"    },
 491   {     14,     "70 fps (Maximum Supaplex)"     },
 492   {     10,     "100 fps"                       },
 493   {     5,      "200 fps"                       },
 494   {     2,      "500 fps"                       },
 495   {     1,      "1000 fps (Extremely Fast)"     },
 496
 497   {     -1,     NULL                            },
 498 };
 499
 500 static struct ValueTextInfo *game_speeds_list;
 501
 502 static struct ValueTextInfo scroll_delays_list[] =
 503 {
 504   {     0,      "0 Tiles (No Scroll Delay)"     },
 505   {     1,      "1 Tile"                        },
 506   {     2,      "2 Tiles"                       },
 507   {     3,      "3 Tiles (Default)"             },
 508   {     4,      "4 Tiles"                       },
 509   {     5,      "5 Tiles"                       },
 510   {     6,      "6 Tiles"                       },
 511   {     7,      "7 Tiles"                       },
 512   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 513
 514   {     -1,     NULL                            },
 515 };
 516
 517 static struct StringValueTextInfo snapshot_modes_list[] =
 518 {
 519   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 520   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 521   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 522   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 523
 524   {     NULL,                                   NULL            },
 525 };
 526
 527 static struct ValueTextInfo volumes_list[] =
 528 {
 529   {     0,      "0 %"                           },
 530   {     1,      "1 %"                           },
 531   {     2,      "2 %"                           },
 532   {     5,      "5 %"                           },
 533   {     10,     "10 %"                          },
 534   {     20,     "20 %"                          },
 535   {     30,     "30 %"                          },
 536   {     40,     "40 %"                          },
 537   {     50,     "50 %"                          },
 538   {     60,     "60 %"                          },
 539   {     70,     "70 %"                          },
 540   {     80,     "80 %"                          },
 541   {     90,     "90 %"                          },
 542   {     100,    "100 %"                         },
 543
 544   {     -1,     NULL                            },
 545 };
 546
 547 static struct StringValueTextInfo touch_controls_list[] =
 548 {
 549   {     TOUCH_CONTROL_OFF,              "Off"                   },
 550   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 551   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 552   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 553
 554   {     NULL,                           NULL                    },
 555 };
 556
 557 static struct ValueTextInfo distances_list[] =
 558 {
 559   {     1,      "1 %"                           },
 560   {     2,      "2 %"                           },
 561   {     3,      "3 %"                           },
 562   {     4,      "4 %"                           },
 563   {     5,      "5 %"                           },
 564   {     10,     "10 %"                          },
 565   {     15,     "15 %"                          },
 566   {     20,     "20 %"                          },
 567   {     25,     "25 %"                          },
 568
 569   {     -1,     NULL                            },
 570 };
 571
 572 static struct ValueTextInfo transparencies_list[] =
 573 {
 574   {     0,      "0 % (Opaque)"                  },
 575   {     10,     "10 %"                          },
 576   {     20,     "20 %"                          },
 577   {     30,     "30 %"                          },
 578   {     40,     "40 %"                          },
 579   {     50,     "50 %"                          },
 580   {     60,     "60 %"                          },
 581   {     70,     "70 %"                          },
 582   {     80,     "80 %"                          },
 583   {     90,     "90 %"                          },
 584   {     100,    "100 % (Invisible)"             },
 585
 586   {     -1,     NULL                            },
 587 };
 588
 589 static struct ValueTextInfo grid_sizes_list[] =
 590 {
 591   {     3,      "3"                             },
 592   {     4,      "4"                             },
 593   {     5,      "5"                             },
 594   {     6,      "6"                             },
 595   {     7,      "7"                             },
 596   {     8,      "8"                             },
 597   {     9,      "9"                             },
 598   {     10,     "10"                            },
 599   {     11,     "11"                            },
 600   {     12,     "12"                            },
 601   {     13,     "13"                            },
 602   {     14,     "14"                            },
 603   {     15,     "15"                            },
 604   {     16,     "16"                            },
 605   {     17,     "17"                            },
 606   {     18,     "18"                            },
 607   {     19,     "19"                            },
 608   {     20,     "20"                            },
 609   {     21,     "21"                            },
 610   {     22,     "22"                            },
 611   {     23,     "23"                            },
 612   {     24,     "24"                            },
 613   {     25,     "25"                            },
 614   {     26,     "26"                            },
 615   {     27,     "27"                            },
 616   {     28,     "28"                            },
 617   {     29,     "29"                            },
 618   {     30,     "30"                            },
 619   {     31,     "31"                            },
 620   {     32,     "32"                            },
 621
 622   {     -1,     NULL                            },
 623 };
 624
 625 static int align_xoffset = 0;
 626 static int align_yoffset = 0;
 627
 628 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&                       \
 629                                  (s) <= GAME_MODE_SETUP ? (s) :                 \
 630                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?             \
 631                                  GAME_MODE_MAIN :                               \
 632                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?            \
 633                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 634
 635 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 636 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&                      \
 637                                  (i) <= INFO_MODE_LEVELSET ? (i) :              \
 638                                  INFO_MODE_MAIN)
 639
 640 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&                      \
 641                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :          \
 642                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&           \
 643                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?               \
 644                                  SETUP_MODE_CHOOSE_ARTWORK :                    \
 645                                  SETUP_MODE_CHOOSE_OTHER)
 646
 647 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?          \
 648                                  menu.draw_xoffset[GAME_MODE_INFO] :            \
 649                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 650 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?          \
 651                                  menu.draw_yoffset[GAME_MODE_INFO] :            \
 652                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 653 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?          \
 654                                  menu.extra_spacing[GAME_MODE_INFO] :           \
 655                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 656
 657 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ?        \
 658                                  menu.draw_xoffset[GAME_MODE_SETUP] :           \
 659                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 660 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ?        \
 661                                  menu.draw_yoffset[GAME_MODE_SETUP] :           \
 662                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 663 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ?        \
 664                                  menu.extra_spacing[GAME_MODE_SETUP] :          \
 665                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 666
 667 #define EXTRA_SPACING_SCORES(i) (EXTRA_SPACING_INFO(i))
 668
 669 #define EXTRA_SPACING_SCOREINFO(i) (menu.extra_spacing[GAME_MODE_SCOREINFO])
 670
 671 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO  ? DRAW_XOFFSET_INFO(info_mode) :        \
 672                                  (s) == GAME_MODE_SETUP ? DRAW_XOFFSET_SETUP(setup_mode) :      \
 673                                  menu.draw_xoffset[DRAW_MODE(s)])
 674
 675 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO  ? DRAW_YOFFSET_INFO(info_mode) :        \
 676                                  (s) == GAME_MODE_SETUP ? DRAW_YOFFSET_SETUP(setup_mode) :      \
 677                                  menu.draw_yoffset[DRAW_MODE(s)])
 678
 679 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO   ? EXTRA_SPACING_INFO(info_mode) :      \
 680                                  (s) == GAME_MODE_SETUP  ? EXTRA_SPACING_SETUP(setup_mode) :    \
 681                                  (s) == GAME_MODE_SCORES ? EXTRA_SPACING_SCORES(info_mode) :    \
 682                                  menu.extra_spacing[DRAW_MODE(s)])
 683
 684 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 685 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 686
 687 #define amSX                    (mSX + align_xoffset)
 688 #define amSY                    (mSY + align_yoffset)
 689
 690 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 691                                     menu.list_size[game_status] :       \
 692                                     MAX_MENU_ENTRIES_ON_SCREEN)
 693
 694 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX, NUM_MENU_ENTRIES_ON_SCREEN)
 695
 696
 697 // title display and control definitions
 698
 699 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES + 2 * MAX_NUM_TITLE_MESSAGES)
 700
 701 #define NO_DIRECT_LEVEL_SELECT  (-1)
 702
 703
 704 static int num_title_screens = 0;
 705
 706 struct TitleControlInfo
 707 {
 708   boolean is_image;
 709   boolean initial;
 710   boolean first;
 711   int local_nr;
 712   int sort_priority;
 713 };
 714
 715 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 716
 717
 718 // main menu display and control definitions
 719
 720 #define MAIN_CONTROL_NAME                       0
 721 #define MAIN_CONTROL_LEVELS                     1
 722 #define MAIN_CONTROL_SCORES                     2
 723 #define MAIN_CONTROL_EDITOR                     3
 724 #define MAIN_CONTROL_INFO                       4
 725 #define MAIN_CONTROL_GAME                       5
 726 #define MAIN_CONTROL_SETUP                      6
 727 #define MAIN_CONTROL_QUIT                       7
 728 #define MAIN_CONTROL_PREV_LEVEL                 8
 729 #define MAIN_CONTROL_NEXT_LEVEL                 9
 730 #define MAIN_CONTROL_FIRST_LEVEL                10
 731 #define MAIN_CONTROL_LAST_LEVEL                 11
 732 #define MAIN_CONTROL_LEVEL_NUMBER               12
 733 #define MAIN_CONTROL_LEVEL_INFO_1               13
 734 #define MAIN_CONTROL_LEVEL_INFO_2               14
 735 #define MAIN_CONTROL_LEVEL_NAME                 15
 736 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 737 #define MAIN_CONTROL_LEVEL_YEAR                 17
 738 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 739 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 740 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 741 #define MAIN_CONTROL_TITLE_1                    21
 742 #define MAIN_CONTROL_TITLE_2                    22
 743 #define MAIN_CONTROL_TITLE_3                    23
 744
 745 static char str_main_text_name[10];
 746 static char str_main_text_first_level[10];
 747 static char str_main_text_last_level[10];
 748 static char str_main_text_level_number[10];
 749
 750 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 751
 752 static char *main_text_name                     = str_main_text_name;
 753 static char *main_text_first_level              = str_main_text_first_level;
 754 static char *main_text_last_level               = str_main_text_last_level;
 755 static char *main_text_level_number             = str_main_text_level_number;
 756 static char *main_text_levels                   = "Levelset";
 757 static char *main_text_scores                   = "Hall Of Fame";
 758 static char *main_text_editor                   = "Level Creator";
 759 static char *main_text_info                     = "Info Screen";
 760 static char *main_text_game                     = "Start Game";
 761 static char *main_text_setup                    = "Setup";
 762 static char *main_text_quit                     = "Quit";
 763 static char *main_text_level_name               = level.name;
 764 static char *main_text_level_author             = level.author;
 765 static char *main_text_level_year               = NULL;
 766 static char *main_text_level_imported_from      = NULL;
 767 static char *main_text_level_imported_by        = NULL;
 768 static char *main_text_level_tested_by          = NULL;
 769 static char *main_text_title_1                  = NULL;
 770 static char *main_text_title_2                  = NULL;
 771 static char *main_text_title_3                  = NULL;
 772
 773 extern char debug_xsn_mode[];
 774
 775 struct MainControlInfo
 776 {
 777   int nr;
 778
 779   struct MenuPosInfo *pos_button;
 780   int button_graphic;
 781
 782   struct TextPosInfo *pos_text;
 783   char **text;
 784
 785   struct TextPosInfo *pos_input;
 786   char **input;
 787 };
 788
 789 static struct MainControlInfo main_controls[] =
 790 {
 791   {
 792     MAIN_CONTROL_NAME,
 793     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 794     &menu.main.text.name,               &main_text_name,
 795     &menu.main.input.name,              &setup.player_name,
 796   },
 797   {
 798     MAIN_CONTROL_LEVELS,
 799     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 800     &menu.main.text.levels,             &main_text_levels,
 801     NULL,                               NULL,
 802   },
 803   {
 804     MAIN_CONTROL_SCORES,
 805     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 806     &menu.main.text.scores,             &main_text_scores,
 807     NULL,                               NULL,
 808   },
 809   {
 810     MAIN_CONTROL_EDITOR,
 811     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 812     &menu.main.text.editor,             &main_text_editor,
 813     NULL,                               NULL,
 814   },
 815   {
 816     MAIN_CONTROL_INFO,
 817     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 818     &menu.main.text.info,               &main_text_info,
 819     NULL,                               NULL,
 820   },
 821   {
 822     MAIN_CONTROL_GAME,
 823     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 824     &menu.main.text.game,               &main_text_game,
 825     NULL,                               NULL,
 826   },
 827   {
 828     MAIN_CONTROL_SETUP,
 829     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 830     &menu.main.text.setup,              &main_text_setup,
 831     NULL,                               NULL,
 832   },
 833   {
 834     MAIN_CONTROL_QUIT,
 835     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 836     &menu.main.text.quit,               &main_text_quit,
 837     NULL,                               NULL,
 838   },
 839   {
 840     MAIN_CONTROL_PREV_LEVEL,
 841     NULL,                               -1,
 842     NULL,                               NULL,
 843     NULL,                               NULL,
 844   },
 845   {
 846     MAIN_CONTROL_NEXT_LEVEL,
 847     NULL,                               -1,
 848     NULL,                               NULL,
 849     NULL,                               NULL,
 850   },
 851   {
 852     MAIN_CONTROL_FIRST_LEVEL,
 853     NULL,                               -1,
 854     &menu.main.text.first_level,        &main_text_first_level,
 855     NULL,                               NULL,
 856   },
 857   {
 858     MAIN_CONTROL_LAST_LEVEL,
 859     NULL,                               -1,
 860     &menu.main.text.last_level,         &main_text_last_level,
 861     NULL,                               NULL,
 862   },
 863   {
 864     MAIN_CONTROL_LEVEL_NUMBER,
 865     NULL,                               -1,
 866     &menu.main.text.level_number,       &main_text_level_number,
 867     NULL,                               NULL,
 868   },
 869   {
 870     MAIN_CONTROL_LEVEL_INFO_1,
 871     NULL,                               -1,
 872     &menu.main.text.level_info_1,       NULL,
 873     NULL,                               NULL,
 874   },
 875   {
 876     MAIN_CONTROL_LEVEL_INFO_2,
 877     NULL,                               -1,
 878     &menu.main.text.level_info_2,       NULL,
 879     NULL,                               NULL,
 880   },
 881   {
 882     MAIN_CONTROL_LEVEL_NAME,
 883     NULL,                               -1,
 884     &menu.main.text.level_name,         &main_text_level_name,
 885     NULL,                               NULL,
 886   },
 887   {
 888     MAIN_CONTROL_LEVEL_AUTHOR,
 889     NULL,                               -1,
 890     &menu.main.text.level_author,       &main_text_level_author,
 891     NULL,                               NULL,
 892   },
 893   {
 894     MAIN_CONTROL_LEVEL_YEAR,
 895     NULL,                               -1,
 896     &menu.main.text.level_year,         &main_text_level_year,
 897     NULL,                               NULL,
 898   },
 899   {
 900     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 901     NULL,                               -1,
 902     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 903     NULL,                               NULL,
 904   },
 905   {
 906     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 907     NULL,                               -1,
 908     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 909     NULL,                               NULL,
 910   },
 911   {
 912     MAIN_CONTROL_LEVEL_TESTED_BY,
 913     NULL,                               -1,
 914     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 915     NULL,                               NULL,
 916   },
 917   {
 918     MAIN_CONTROL_TITLE_1,
 919     NULL,                               -1,
 920     &menu.main.text.title_1,            &main_text_title_1,
 921     NULL,                               NULL,
 922   },
 923   {
 924     MAIN_CONTROL_TITLE_2,
 925     NULL,                               -1,
 926     &menu.main.text.title_2,            &main_text_title_2,
 927     NULL,                               NULL,
 928   },
 929   {
 930     MAIN_CONTROL_TITLE_3,
 931     NULL,                               -1,
 932     &menu.main.text.title_3,            &main_text_title_3,
 933     NULL,                               NULL,
 934   },
 935
 936   {
 937     -1,
 938     NULL,                               -1,
 939     NULL,                               NULL,
 940     NULL,                               NULL,
 941   }
 942 };
 943
 944
 945 static boolean hasLevelSetInfo(void)
 946 {
 947   return (getLevelSetInfoFilename(0) != NULL);
 948 }
 949
 950 static int getTitleScreenGraphic(int nr, boolean initial)
 951 {
 952   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 953 }
 954
 955 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 956 {
 957   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 958 }
 959
 960 #if 0
 961 static int getTitleScreenGameMode(boolean initial)
 962 {
 963   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 964 }
 965 #endif
 966
 967 static int getTitleMessageGameMode(boolean initial)
 968 {
 969   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 970 }
 971
 972 static int getTitleAnimMode(struct TitleControlInfo *tci)
 973 {
 974   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 975
 976   return base + tci->local_nr;
 977 }
 978
 979 #if 0
 980 static int getTitleScreenBackground(boolean initial)
 981 {
 982   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 983 }
 984 #endif
 985
 986 #if 0
 987 static int getTitleMessageBackground(int nr, boolean initial)
 988 {
 989   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 990 }
 991 #endif
 992
 993 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 994 {
 995   int base = (is_image ?
 996               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 997                          IMG_BACKGROUND_TITLESCREEN_1) :
 998               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 999                          IMG_BACKGROUND_TITLEMESSAGE_1));
1000   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
1001                                   IMG_BACKGROUND_TITLE);
1002   int graphic_local = base + nr;
1003
1004   if (graphic_info[graphic_local].bitmap != NULL)
1005     return graphic_local;
1006
1007   if (graphic_info[graphic_global].bitmap != NULL)
1008     return graphic_global;
1009
1010   return IMG_UNDEFINED;
1011 }
1012
1013 static int getTitleSound(struct TitleControlInfo *tci)
1014 {
1015   boolean is_image = tci->is_image;
1016   int initial = tci->initial;
1017   int nr = tci->local_nr;
1018   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1019   int base = (is_image ?
1020               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
1021                          SND_BACKGROUND_TITLESCREEN_1) :
1022               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1023                          SND_BACKGROUND_TITLEMESSAGE_1));
1024   int sound_global = menu.sound[mode];
1025   int sound_local = base + nr;
1026
1027 #if 0
1028   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
1029         nr, initial, is_image,
1030         sound_global, getSoundListEntry(sound_global)->filename,
1031         sound_local, getSoundListEntry(sound_local)->filename);
1032 #endif
1033
1034   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
1035     return sound_local;
1036
1037   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
1038     return sound_global;
1039
1040   return SND_UNDEFINED;
1041 }
1042
1043 static int getTitleMusic(struct TitleControlInfo *tci)
1044 {
1045   boolean is_image = tci->is_image;
1046   int initial = tci->initial;
1047   int nr = tci->local_nr;
1048   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1049   int base = (is_image ?
1050               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
1051                          MUS_BACKGROUND_TITLESCREEN_1) :
1052               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1053                          MUS_BACKGROUND_TITLEMESSAGE_1));
1054   int music_global = menu.music[mode];
1055   int music_local = base + nr;
1056
1057 #if 0
1058   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
1059         nr, initial, is_image,
1060         music_global, getMusicListEntry(music_global)->filename,
1061         music_local, getMusicListEntry(music_local)->filename);
1062 #endif
1063
1064   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
1065     return music_local;
1066
1067   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
1068     return music_global;
1069
1070   return MUS_UNDEFINED;
1071 }
1072
1073 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
1074 {
1075   boolean is_image = tci->is_image;
1076   boolean initial = tci->initial;
1077   boolean first = tci->first;
1078   int nr = tci->local_nr;
1079   struct TitleMessageInfo tmi;
1080   struct TitleFadingInfo ti;
1081
1082   tmi = (is_image ? (initial ? (first ?
1083                                 titlescreen_initial_first[nr] :
1084                                 titlescreen_initial[nr])
1085                              : (first ?
1086                                 titlescreen_first[nr] :
1087                                 titlescreen[nr]))
1088                   : (initial ? (first ?
1089                                 titlemessage_initial_first[nr] :
1090                                 titlemessage_initial[nr])
1091                              : (first ?
1092                                 titlemessage_first[nr] :
1093                                 titlemessage[nr])));
1094
1095   ti.fade_mode  = tmi.fade_mode;
1096   ti.fade_delay = tmi.fade_delay;
1097   ti.post_delay = tmi.post_delay;
1098   ti.auto_delay = tmi.auto_delay;
1099   ti.auto_delay_unit = tmi.auto_delay_unit;
1100
1101   return ti;
1102 }
1103
1104 static int compareTitleControlInfo(const void *object1, const void *object2)
1105 {
1106   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1107   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1108   int compare_result;
1109
1110   if (tci1->initial != tci2->initial)
1111     compare_result = (tci1->initial ? -1 : +1);
1112   else if (tci1->sort_priority != tci2->sort_priority)
1113     compare_result = tci1->sort_priority - tci2->sort_priority;
1114   else if (tci1->is_image != tci2->is_image)
1115     compare_result = (tci1->is_image ? -1 : +1);
1116   else
1117     compare_result = tci1->local_nr - tci2->local_nr;
1118
1119   return compare_result;
1120 }
1121
1122 static boolean CheckTitleScreen_BD(int nr, boolean initial)
1123 {
1124   // only show BD style title screen for native BD level sets
1125   if (level.game_engine_type != GAME_ENGINE_TYPE_BD)
1126     return FALSE;
1127
1128   // only show BD style title screen for first title screen of a level set
1129   if (initial || nr != 0)
1130     return FALSE;
1131
1132   int graphic = getTitleScreenGraphic(nr, initial);
1133   Bitmap *bitmap = graphic_info[graphic].bitmap;
1134
1135   // only show BD style title screen if no other title screen defined
1136   if (bitmap != NULL)
1137     return FALSE;
1138
1139   // check if BD style title screen defined
1140   return (GetTitleScreenBitmaps_BD() != NULL);
1141 }
1142
1143 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1144                                                     boolean initial,
1145                                                     int nr, int sort_priority)
1146 {
1147   title_controls[num_title_screens].is_image = is_image;
1148   title_controls[num_title_screens].initial = initial;
1149   title_controls[num_title_screens].local_nr = nr;
1150   title_controls[num_title_screens].sort_priority = sort_priority;
1151
1152   title_controls[num_title_screens].first = FALSE;      // will be set later
1153
1154   num_title_screens++;
1155 }
1156
1157 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1158 {
1159   int i;
1160
1161   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1162   {
1163     int graphic = getTitleScreenGraphic(i, initial);
1164     Bitmap *bitmap = graphic_info[graphic].bitmap;
1165     int sort_priority = graphic_info[graphic].sort_priority;
1166     boolean has_title_screen = (bitmap != NULL);
1167
1168     // check for optional title screen of native BD style level set
1169     if (CheckTitleScreen_BD(i, initial))
1170       has_title_screen = TRUE;
1171
1172     if (has_title_screen)
1173       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1174   }
1175
1176   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1177   {
1178     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1179     char *filename = getLevelSetTitleMessageFilename(i, initial);
1180     int sort_priority = tmi->sort_priority;
1181
1182     if (filename != NULL)
1183       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1184   }
1185 }
1186
1187 static void InitializeTitleControls(boolean show_title_initial)
1188 {
1189   num_title_screens = 0;
1190
1191   // 1st step: initialize title screens for game start (only when starting)
1192   if (show_title_initial)
1193     InitializeTitleControls_CheckTitleInfo(TRUE);
1194
1195   // 2nd step: initialize title screens for current level set
1196   InitializeTitleControls_CheckTitleInfo(FALSE);
1197
1198   // sort title screens according to sort_priority and title number
1199   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1200         compareTitleControlInfo);
1201
1202   // mark first title screen
1203   title_controls[0].first = TRUE;
1204 }
1205
1206 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1207 {
1208   return (pos != NULL && pos->x != -1 && pos->y != -1);
1209 }
1210
1211 static boolean visibleTextPos(struct TextPosInfo *pos)
1212 {
1213   return (pos != NULL && pos->x != -1 && pos->y != -1);
1214 }
1215
1216 static void InitializeMainControls(void)
1217 {
1218   boolean local_team_mode = (!network.enabled && setup.team_mode);
1219   int i;
1220
1221   // set main control text values to dynamically determined values
1222   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1223
1224   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1225                                          menu.main.text.first_level.size));
1226   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1227                                          menu.main.text.last_level.size));
1228   strcpy(main_text_level_number, int2str(level_nr,
1229                                          menu.main.text.level_number.size));
1230
1231   main_text_level_year          = leveldir_current->year;
1232   main_text_level_imported_from = leveldir_current->imported_from;
1233   main_text_level_imported_by   = leveldir_current->imported_by;
1234   main_text_level_tested_by     = leveldir_current->tested_by;
1235
1236   main_text_title_1 = getConfigProgramTitleString();
1237   main_text_title_2 = getConfigProgramCopyrightString();
1238   main_text_title_3 = getConfigProgramCompanyString();
1239
1240   // set main control screen positions to dynamically determined values
1241   for (i = 0; main_controls[i].nr != -1; i++)
1242   {
1243     struct MainControlInfo *mci = &main_controls[i];
1244     int nr                         = mci->nr;
1245     struct MenuPosInfo *pos_button = mci->pos_button;
1246     struct TextPosInfo *pos_text   = mci->pos_text;
1247     struct TextPosInfo *pos_input  = mci->pos_input;
1248     char *text                     = (mci->text  ? *mci->text  : NULL);
1249     char *input                    = (mci->input ? *mci->input : NULL);
1250     int button_graphic             = mci->button_graphic;
1251     int font_text                  = (pos_text  ? pos_text->font  : -1);
1252     int font_input                 = (pos_input ? pos_input->font : -1);
1253
1254     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1255     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1256     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1257     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1258     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1259     int input_chars = (input != NULL ? strlen(input) : 0);
1260
1261     int button_width =
1262       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1263     int button_height =
1264       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1265     int text_width   = font_text_width * text_chars;
1266     int text_height  = font_text_height;
1267     int input_width  = font_input_width * input_chars;
1268     int input_height = font_input_height;
1269
1270     if (nr == MAIN_CONTROL_NAME)
1271     {
1272       menu.main.input.name.width  = input_width;
1273       menu.main.input.name.height = input_height;
1274     }
1275
1276     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1277     {
1278       pos_button->width  = button_width;
1279       pos_button->height = button_height;
1280     }
1281
1282     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1283     {
1284       // calculate text size -- needed for text alignment
1285       boolean calculate_text_size = (text != NULL);
1286
1287       if (pos_text->width == -1 || calculate_text_size)
1288         pos_text->width = text_width;
1289       if (pos_text->height == -1 || calculate_text_size)
1290         pos_text->height = text_height;
1291
1292       if (visibleMenuPos(pos_button))
1293       {
1294         if (pos_text->x == -1)
1295           pos_text->x = pos_button->x + pos_button->width;
1296         if (pos_text->y == -1)
1297           pos_text->y =
1298             pos_button->y + (pos_button->height - pos_text->height) / 2;
1299       }
1300     }
1301
1302     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1303     {
1304       if (visibleTextPos(pos_text))
1305       {
1306         if (pos_input->x == -1)
1307           pos_input->x = pos_text->x + pos_text->width;
1308         if (pos_input->y == -1)
1309           pos_input->y = pos_text->y;
1310       }
1311
1312       if (pos_input->width == -1)
1313         pos_input->width = input_width;
1314       if (pos_input->height == -1)
1315         pos_input->height = input_height;
1316     }
1317   }
1318 }
1319
1320 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1321                                        int graphic, boolean pressed)
1322 {
1323   struct GraphicInfo *g = &graphic_info[graphic];
1324   Bitmap *src_bitmap;
1325   int src_x, src_y;
1326   int xoffset = (pressed ? g->pressed_xoffset : 0);
1327   int yoffset = (pressed ? g->pressed_yoffset : 0);
1328
1329   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1330
1331   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1332                    g->width, g->height, dst_x, dst_y);
1333 }
1334
1335 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1336                                        boolean active_input,
1337                                        boolean pressed_button)
1338 {
1339   int i;
1340
1341   for (i = 0; main_controls[i].nr != -1; i++)
1342   {
1343     struct MainControlInfo *mci = &main_controls[i];
1344
1345     if (mci->nr == nr || nr == -1)
1346     {
1347       struct MenuPosInfo *pos_button = mci->pos_button;
1348       struct TextPosInfo *pos_text   = mci->pos_text;
1349       struct TextPosInfo *pos_input  = mci->pos_input;
1350       char *text                     = (mci->text  ? *mci->text  : NULL);
1351       char *input                    = (mci->input ? *mci->input : NULL);
1352       int button_graphic             = mci->button_graphic;
1353       int font_text                  = (pos_text  ? pos_text->font  : -1);
1354       int font_input                 = (pos_input ? pos_input->font : -1);
1355
1356       if (active_text)
1357       {
1358         button_graphic = BUTTON_ACTIVE(button_graphic);
1359         font_text = FONT_ACTIVE(font_text);
1360       }
1361
1362       if (active_input)
1363       {
1364         font_input = FONT_ACTIVE(font_input);
1365       }
1366
1367       if (visibleMenuPos(pos_button))
1368       {
1369         struct MenuPosInfo *pos = pos_button;
1370         int x = mSX + pos->x;
1371         int y = mSY + pos->y;
1372
1373         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1374         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1375       }
1376
1377       if (visibleTextPos(pos_text) && text != NULL)
1378       {
1379         struct TextPosInfo *pos = pos_text;
1380         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1381         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1382
1383 #if 1
1384         // (check why/if this is needed)
1385         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1386 #endif
1387         DrawText(x, y, text, font_text);
1388       }
1389
1390       if (visibleTextPos(pos_input) && input != NULL)
1391       {
1392         struct TextPosInfo *pos = pos_input;
1393         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1394         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1395
1396 #if 1
1397         // (check why/if this is needed)
1398         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1399 #endif
1400         DrawText(x, y, input, font_input);
1401       }
1402     }
1403   }
1404 }
1405
1406 static void DrawCursorAndText_Main(int nr, boolean active_text,
1407                                    boolean pressed_button)
1408 {
1409   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1410 }
1411
1412 #if 0
1413 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1414                                          boolean pressed_button)
1415 {
1416   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1417 }
1418 #endif
1419
1420 static struct MainControlInfo *getMainControlInfo(int nr)
1421 {
1422   int i;
1423
1424   for (i = 0; main_controls[i].nr != -1; i++)
1425     if (main_controls[i].nr == nr)
1426       return &main_controls[i];
1427
1428   return NULL;
1429 }
1430
1431 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1432 {
1433   if (rect == NULL)
1434     return FALSE;
1435
1436   int rect_x = ALIGNED_TEXT_XPOS(rect);
1437   int rect_y = ALIGNED_TEXT_YPOS(rect);
1438
1439   return (x >= rect_x && x < rect_x + rect->width &&
1440           y >= rect_y && y < rect_y + rect->height);
1441 }
1442
1443 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1444 {
1445   if (rect == NULL)
1446     return FALSE;
1447
1448   int rect_x = ALIGNED_TEXT_XPOS(rect);
1449   int rect_y = ALIGNED_TEXT_YPOS(rect);
1450
1451 #if 0
1452   Debug("screens:insideTextPosRect",
1453         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1454         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1455         (x >= rect_x && x < rect_x + rect->width &&
1456          y >= rect_y && y < rect_y + rect->height));
1457 #endif
1458
1459   return (x >= rect_x && x < rect_x + rect->width &&
1460           y >= rect_y && y < rect_y + rect->height);
1461 }
1462
1463 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1464 {
1465   int rect_width  = preview->xsize * preview->tile_size;
1466   int rect_height = preview->ysize * preview->tile_size;
1467   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1468   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1469
1470   return (x >= rect_x && x < rect_x + rect_width &&
1471           y >= rect_y && y < rect_y + rect_height);
1472 }
1473
1474 static void AdjustScrollbar(int id, int items_max, int items_visible,
1475                             int item_position)
1476 {
1477   struct GadgetInfo *gi = screen_gadget[id];
1478
1479   if (item_position > items_max - items_visible)
1480     item_position = items_max - items_visible;
1481
1482   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1483                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1484                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1485 }
1486
1487 static void AdjustChooseTreeScrollbar(TreeInfo *ti, int id)
1488 {
1489   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1490                   ti->cl_first);
1491 }
1492
1493 static void clearMenuListArea(void)
1494 {
1495   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1496
1497   // correct scrollbar position if placed outside menu (playfield) area
1498   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1499     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1500
1501   // clear menu list area, but not title or scrollbar
1502   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1503                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1504
1505   // special compatibility handling for "Snake Bite" graphics set
1506   if (strPrefix(leveldir_current->identifier, "snake_bite"))
1507     ClearRectangle(drawto, mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1508                    scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1509 }
1510
1511 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1512 {
1513   static int cursor_array[MAX_LEV_FIELDY];
1514   int x = amSX + TILEX * xpos;
1515   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1516
1517   if (xpos == 0)
1518   {
1519     if (graphic != -1)
1520       cursor_array[ypos] = graphic;
1521     else
1522       graphic = cursor_array[ypos];
1523   }
1524
1525   if (active)
1526     graphic = BUTTON_ACTIVE(graphic);
1527
1528   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1529   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1530 }
1531
1532 static void initCursor(int ypos, int graphic)
1533 {
1534   drawCursorExt(0, ypos, FALSE, graphic);
1535 }
1536
1537 static void drawCursor(int ypos, boolean active)
1538 {
1539   drawCursorExt(0, ypos, active, -1);
1540 }
1541
1542 static void drawCursorXY(int xpos, int ypos, int graphic)
1543 {
1544   drawCursorExt(xpos, ypos, FALSE, graphic);
1545 }
1546
1547 static void drawChooseTreeCursor(int ypos, boolean active)
1548 {
1549   drawCursorExt(0, ypos, active, -1);
1550 }
1551
1552 static int getChooseTreeEditFont(boolean active)
1553 {
1554   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1555 }
1556
1557 static int getChooseTreeEditXPos(int pos)
1558 {
1559   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1560   int xoffset = (has_scrollbar ? -1 : 0);
1561   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1562   int sx = amSX + xpos * TILEX;
1563   int font_nr = getChooseTreeEditFont(FALSE);
1564   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1565
1566   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1567 }
1568
1569 static int getChooseTreeEditYPos(int ypos_raw)
1570 {
1571   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1572   int sy = amSY + ypos * TILEY;
1573
1574   return sy;
1575 }
1576
1577 static int getChooseTreeEditXPosReal(int pos)
1578 {
1579   int xpos = getChooseTreeEditXPos(pos);
1580   int font_nr = getChooseTreeEditFont(FALSE);
1581   int font_xoffset = getFontDrawOffsetX(font_nr);
1582
1583   return xpos + font_xoffset;
1584 }
1585
1586 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1587 {
1588   int sx = getChooseTreeEditXPos(POS_LEFT);
1589   int sy = getChooseTreeEditYPos(ypos_raw);
1590   int font_nr = getChooseTreeEditFont(active);
1591
1592   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1593 }
1594
1595 static void DrawInfoScreen_Headline(int screen_nr, int num_screens,
1596                                     int use_global_screens)
1597 {
1598   char *info_text_title_1 = getInfoScreenTitle_Generic();
1599   char info_text_title_2[MAX_LINE_LEN + 1];
1600
1601   if (num_screens > 1)
1602   {
1603     sprintf(info_text_title_2, "Page %d of %d", screen_nr + 1, num_screens);
1604   }
1605   else
1606   {
1607     char *text_format = (use_global_screens ? "for %s" : "for \"%s\"");
1608     int text_format_len = strlen(text_format) - strlen("%s");
1609     int max_text_len = SXSIZE / getFontWidth(FONT_TITLE_2);
1610     int max_name_len = max_text_len - text_format_len;
1611     char name_cut[max_name_len];
1612     char *name_full = (use_global_screens ? getProgramTitleString() :
1613                        leveldir_current->name);
1614
1615     snprintf(name_cut, max_name_len, "%s", name_full);
1616     snprintf(info_text_title_2, max_text_len, text_format, name_cut);
1617   }
1618
1619   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, info_text_title_1);
1620   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, info_text_title_2);
1621 }
1622
1623 static void DrawTitleScreenImage(int nr, boolean initial)
1624 {
1625   static int frame_counter = 0;
1626   int graphic = getTitleScreenGraphic(nr, initial);
1627   Bitmap *bitmap = graphic_info[graphic].bitmap;
1628   Bitmap *bitmap_background = NULL;
1629   int draw_masked = graphic_info[graphic].draw_masked;
1630   int width  = graphic_info[graphic].width;
1631   int height = graphic_info[graphic].height;
1632   int src_x = graphic_info[graphic].src_x;
1633   int src_y = graphic_info[graphic].src_y;
1634   int dst_x, dst_y;
1635
1636   // check for optional title screen of native BD style level set
1637   if (CheckTitleScreen_BD(nr, initial))
1638   {
1639     Bitmap **title_screen_bitmaps = GetTitleScreenBitmaps_BD();
1640
1641     bitmap            = title_screen_bitmaps[0];
1642     bitmap_background = title_screen_bitmaps[1];
1643
1644     if (bitmap != NULL)
1645     {
1646       width  = bitmap->width;
1647       height = bitmap->height;
1648       src_x = 0;
1649       src_y = 0;
1650     }
1651   }
1652
1653   if (bitmap == NULL)
1654     return;
1655
1656   if (width > WIN_XSIZE)
1657   {
1658     // image width too large for window => center image horizontally
1659     src_x = (width - WIN_XSIZE) / 2;
1660     width = WIN_XSIZE;
1661   }
1662
1663   if (height > WIN_YSIZE)
1664   {
1665     // image height too large for window => center image vertically
1666     src_y = (height - WIN_YSIZE) / 2;
1667     height = WIN_YSIZE;
1668   }
1669
1670   // always display title screens centered
1671   dst_x = (WIN_XSIZE - width) / 2;
1672   dst_y = (WIN_YSIZE - height) / 2;
1673
1674   SetDrawBackgroundMask(REDRAW_ALL);
1675   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1676
1677   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1678
1679   boolean draw_masked_final = (DrawingOnBackground(dst_x, dst_y) && draw_masked);
1680
1681   if (bitmap_background != NULL)
1682   {
1683     int size = bitmap_background->height - bitmap->height;
1684     int offset = frame_counter++ % size;
1685
1686     BlitBitmap(bitmap_background, drawto, src_x, src_y + offset, width, height, dst_x, dst_y);
1687
1688     draw_masked_final = TRUE;
1689   }
1690
1691   if (draw_masked_final)
1692     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1693   else
1694     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1695
1696   redraw_mask = REDRAW_ALL;
1697 }
1698
1699 static void DrawTitleScreenMessage(int nr, boolean initial)
1700 {
1701   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1702   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1703
1704   if (filename == NULL)
1705     return;
1706
1707   // force TITLE font on title message screen
1708   SetFontStatus(getTitleMessageGameMode(initial));
1709
1710   // if chars *and* width set to "-1", automatically determine width
1711   if (tmi->chars == -1 && tmi->width == -1)
1712     tmi->width = viewport.window[game_status].width;
1713
1714   // if lines *and* height set to "-1", automatically determine height
1715   if (tmi->lines == -1 && tmi->height == -1)
1716     tmi->height = viewport.window[game_status].height;
1717
1718   // if chars set to "-1", automatically determine by text and font width
1719   if (tmi->chars == -1)
1720     tmi->chars = tmi->width / getFontWidth(tmi->font);
1721   else
1722     tmi->width = tmi->chars * getFontWidth(tmi->font);
1723
1724   // if lines set to "-1", automatically determine by text and font height
1725   if (tmi->lines == -1)
1726     tmi->lines = tmi->height / getFontHeight(tmi->font);
1727   else
1728     tmi->height = tmi->lines * getFontHeight(tmi->font);
1729
1730   // if x set to "-1", automatically determine by width and alignment
1731   if (tmi->x == -1)
1732     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1733
1734   // if y set to "-1", automatically determine by height and alignment
1735   if (tmi->y == -1)
1736     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1737
1738   SetDrawBackgroundMask(REDRAW_ALL);
1739   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1740
1741   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1742
1743   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1744                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1745                tmi->autowrap, tmi->centered, tmi->parse_comments);
1746
1747   ResetFontStatus();
1748 }
1749
1750 static void DrawTitleScreen(void)
1751 {
1752   KeyboardAutoRepeatOff();
1753
1754   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1755 }
1756
1757 static boolean CheckTitleScreen(boolean levelset_has_changed)
1758 {
1759   static boolean show_title_initial = TRUE;
1760   boolean show_titlescreen = FALSE;
1761
1762   // needed to be able to skip title screen, if no image or message defined
1763   InitializeTitleControls(show_title_initial);
1764
1765   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1766     show_titlescreen = TRUE;
1767
1768   // show initial title images and messages only once at program start
1769   show_title_initial = FALSE;
1770
1771   return (show_titlescreen && num_title_screens > 0);
1772 }
1773
1774 void DrawMainMenu(void)
1775 {
1776   static LevelDirTree *leveldir_last_valid = NULL;
1777   boolean levelset_has_changed = FALSE;
1778   int fade_mask = REDRAW_FIELD;
1779
1780   LimitScreenUpdates(FALSE);
1781
1782   FadeSetLeaveScreen();
1783
1784   // do not fade out here -- function may continue and fade on editor screen
1785
1786   UnmapAllGadgets();
1787   FadeMenuSoundsAndMusic();
1788
1789   ExpireSoundLoops(FALSE);
1790
1791   KeyboardAutoRepeatOn();
1792
1793   audio.sound_deactivated = FALSE;
1794
1795   GetPlayerConfig();
1796
1797   // needed if last screen was the playing screen, invoked from level editor
1798   if (level_editor_test_game)
1799   {
1800     CloseDoor(DOOR_CLOSE_ALL);
1801
1802     SetGameStatus(GAME_MODE_EDITOR);
1803
1804     DrawLevelEd();
1805
1806     return;
1807   }
1808
1809   // needed if last screen was the playing screen, invoked from hall of fame
1810   if (score_info_tape_play)
1811   {
1812     CloseDoor(DOOR_CLOSE_ALL);
1813
1814     SetGameStatus(GAME_MODE_SCOREINFO);
1815
1816     DrawScoreInfo(scores.last_entry_nr);
1817
1818     return;
1819   }
1820
1821   // reset flag to continue playing next level from hall of fame
1822   scores.continue_playing = FALSE;
1823
1824   // leveldir_current may be invalid (level group, parent link, node copy)
1825   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1826
1827   if (leveldir_current != leveldir_last_valid)
1828   {
1829     // level setup config may have been loaded to "last played" tree node copy,
1830     // but "leveldir_current" now points to the "original" level set tree node,
1831     // in which case "handicap_level" may still default to the first level
1832     LoadLevelSetup_SeriesInfo();
1833
1834     UpdateLastPlayedLevels_TreeInfo();
1835
1836     levelset_has_changed = TRUE;
1837   }
1838
1839   // store valid level series information
1840   leveldir_last_valid = leveldir_current;
1841
1842   // store first level of this level set for "level_nr" style animations
1843   SetAnimationFirstLevel(leveldir_current->first_level);
1844
1845   // level_nr may have been set to value over handicap with level editor
1846   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1847     level_nr = leveldir_current->handicap_level;
1848
1849   LoadLevel(level_nr);
1850   LoadScore(level_nr);
1851
1852   SaveLevelSetup_SeriesInfo();
1853
1854   // needed if last screen (level choice) changed graphics, sounds or music
1855   ReloadCustomArtwork(0);
1856
1857   if (CheckTitleScreen(levelset_has_changed))
1858   {
1859     SetGameStatus(GAME_MODE_TITLE);
1860
1861     DrawTitleScreen();
1862
1863     return;
1864   }
1865
1866   if (redraw_mask & REDRAW_ALL)
1867     fade_mask = REDRAW_ALL;
1868
1869   if (CheckFadeAll())
1870     fade_mask = REDRAW_ALL;
1871
1872   FadeOut(fade_mask);
1873
1874   // needed if different viewport properties defined for menues
1875   ChangeViewportPropertiesIfNeeded();
1876
1877   SetDrawtoField(DRAW_TO_BACKBUFFER);
1878
1879   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1880   SetDrawDeactivationMask(REDRAW_NONE);
1881   SetDrawBackgroundMask(REDRAW_FIELD);
1882
1883   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1884
1885 #if 0
1886   if (fade_mask == REDRAW_ALL)
1887     RedrawGlobalBorder();
1888 #endif
1889
1890   ClearField();
1891
1892   InitializeMainControls();
1893
1894   DrawCursorAndText_Main(-1, FALSE, FALSE);
1895   DrawPreviewLevelInitial();
1896   DrawNetworkPlayers();
1897
1898   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1899
1900   TapeStop();
1901   if (TAPE_IS_EMPTY(tape))
1902     LoadTape(level_nr);
1903   DrawCompleteVideoDisplay();
1904
1905   PlayMenuSoundsAndMusic();
1906
1907   // create gadgets for main menu screen
1908   FreeScreenGadgets();
1909   CreateScreenGadgets();
1910
1911   // may be required if audio buttons shown on tape and changed in setup menu
1912   FreeGameButtons();
1913   CreateGameButtons();
1914
1915   // map gadgets for main menu screen
1916   MapTapeButtons();
1917   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1918   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1919   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SET_INFO, hasLevelSetInfo());
1920
1921   // copy actual game door content to door double buffer for OpenDoor()
1922   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1923   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1924
1925   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1926
1927   DrawMaskedBorder(fade_mask);
1928
1929   FadeIn(fade_mask);
1930   FadeSetEnterMenu();
1931
1932   // update screen area with special editor door
1933   redraw_mask |= REDRAW_ALL;
1934   BackToFront();
1935
1936   SetMouseCursor(CURSOR_DEFAULT);
1937
1938   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1939
1940   SyncEmscriptenFilesystem();
1941
1942   // needed once after program start or after user change
1943   CheckApiServerTasks();
1944 }
1945
1946 static void gotoTopLevelDir(void)
1947 {
1948   // move upwards until inside (but not above) top level directory
1949   while (leveldir_current->node_parent &&
1950          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1951   {
1952     // write a "path" into level tree for easy navigation to last level
1953     if (leveldir_current->node_parent->node_group->cl_first == -1)
1954     {
1955       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1956       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1957       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1958       int cl_first, cl_cursor;
1959
1960       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1961       cl_cursor = leveldir_pos - cl_first;
1962
1963       leveldir_current->node_parent->node_group->cl_first = cl_first;
1964       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1965     }
1966
1967     leveldir_current = leveldir_current->node_parent;
1968   }
1969 }
1970
1971 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1972 {
1973   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1974
1975   return (use_frame_counter ? video.frame_counter : Counter());
1976 }
1977
1978 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1979                                      struct TitleFadingInfo *fi)
1980 {
1981   return DelayReachedExt2(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1982 }
1983
1984 static void ResetTitleAutoDelay(unsigned int *counter_var,
1985                                 struct TitleFadingInfo *fi)
1986 {
1987   *counter_var = getAutoDelayCounter(fi);
1988 }
1989
1990 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1991 {
1992   static unsigned int title_delay = 0;
1993   static int title_screen_nr = 0;
1994   static int last_sound = -1, last_music = -1;
1995   boolean return_to_main_menu = FALSE;
1996   struct TitleControlInfo *tci;
1997   int sound, music;
1998
1999   if (button == MB_MENU_INITIALIZE)
2000   {
2001     title_delay = 0;
2002     title_screen_nr = 0;
2003     tci = &title_controls[title_screen_nr];
2004
2005     SetAnimStatus(getTitleAnimMode(tci));
2006
2007     last_sound = SND_UNDEFINED;
2008     last_music = MUS_UNDEFINED;
2009
2010     if (num_title_screens != 0)
2011     {
2012       FadeSetEnterScreen();
2013
2014       // use individual title fading instead of global "enter screen" fading
2015       fading = getTitleFading(tci);
2016     }
2017
2018     if (game_status_last_screen == GAME_MODE_INFO)
2019     {
2020       if (num_title_screens == 0)
2021       {
2022         // switch game mode from title screen mode back to info screen mode
2023         SetGameStatus(GAME_MODE_INFO);
2024
2025         // store that last screen was info screen, not main menu screen
2026         game_status_last_screen = GAME_MODE_INFO;
2027
2028         DrawInfoScreen_NotAvailable("Title screen information:",
2029                                     "No title screen for this level set.");
2030         return;
2031       }
2032     }
2033
2034     FadeMenuSoundsAndMusic();
2035
2036     FadeOut(REDRAW_ALL);
2037
2038     // title screens may have different window size
2039     ChangeViewportPropertiesIfNeeded();
2040
2041     // only required to update logic for redrawing global border
2042     ClearField();
2043
2044     if (tci->is_image)
2045       DrawTitleScreenImage(tci->local_nr, tci->initial);
2046     else
2047       DrawTitleScreenMessage(tci->local_nr, tci->initial);
2048
2049     sound = getTitleSound(tci);
2050     music = getTitleMusic(tci);
2051
2052     if (sound != last_sound)
2053       PlayMenuSoundExt(sound);
2054     if (music != last_music)
2055       PlayMenuMusicExt(music);
2056
2057     last_sound = sound;
2058     last_music = music;
2059
2060     SetMouseCursor(CURSOR_NONE);
2061
2062     FadeIn(REDRAW_ALL);
2063
2064     ResetTitleAutoDelay(&title_delay, &fading);
2065
2066     return;
2067   }
2068
2069   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
2070     button = MB_MENU_CHOICE;
2071
2072   if (button == MB_MENU_LEAVE)
2073   {
2074     return_to_main_menu = TRUE;
2075   }
2076   else if (button == MB_MENU_CHOICE || dx)
2077   {
2078     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
2079     {
2080       SetGameStatus(GAME_MODE_INFO);
2081
2082       info_mode = INFO_MODE_MAIN;
2083
2084       DrawInfoScreen();
2085
2086       return;
2087     }
2088
2089     title_screen_nr +=
2090       (game_status_last_screen == GAME_MODE_INFO && dx < 0 ? -1 : +1);
2091
2092     if (title_screen_nr >= 0 && title_screen_nr < num_title_screens)
2093     {
2094       tci = &title_controls[title_screen_nr];
2095
2096       SetAnimStatus(getTitleAnimMode(tci));
2097
2098       sound = getTitleSound(tci);
2099       music = getTitleMusic(tci);
2100
2101       if (last_sound != SND_UNDEFINED && sound != last_sound)
2102         FadeSound(last_sound);
2103       if (last_music != MUS_UNDEFINED && music != last_music)
2104         FadeMusic();
2105
2106       fading = getTitleFading(tci);
2107
2108       FadeOut(REDRAW_ALL);
2109
2110       if (tci->is_image)
2111         DrawTitleScreenImage(tci->local_nr, tci->initial);
2112       else
2113         DrawTitleScreenMessage(tci->local_nr, tci->initial);
2114
2115       sound = getTitleSound(tci);
2116       music = getTitleMusic(tci);
2117
2118       if (sound != last_sound)
2119         PlayMenuSoundExt(sound);
2120       if (music != last_music)
2121         PlayMenuMusicExt(music);
2122
2123       last_sound = sound;
2124       last_music = music;
2125
2126       FadeIn(REDRAW_ALL);
2127
2128       ResetTitleAutoDelay(&title_delay, &fading);
2129     }
2130     else
2131     {
2132       FadeMenuSoundsAndMusic();
2133
2134       return_to_main_menu = TRUE;
2135     }
2136   }
2137   else
2138   {
2139     tci = &title_controls[title_screen_nr];
2140
2141     // check for optional title screen of native BD style level set
2142     if (tci->is_image && CheckTitleScreen_BD(tci->local_nr, tci->initial))
2143     {
2144       Bitmap **title_screen_bitmaps = GetTitleScreenBitmaps_BD();
2145
2146       // if title screen is animated, draw title screen animation
2147       if (title_screen_bitmaps[0] != NULL &&
2148           title_screen_bitmaps[1] != NULL)
2149         DrawTitleScreenImage(tci->local_nr, tci->initial);
2150     }
2151   }
2152
2153   if (return_to_main_menu)
2154   {
2155     SetMouseCursor(CURSOR_DEFAULT);
2156
2157     // force full menu screen redraw after displaying title screens
2158     redraw_mask = REDRAW_ALL;
2159
2160     if (game_status_last_screen == GAME_MODE_INFO)
2161     {
2162       SetGameStatus(GAME_MODE_INFO);
2163
2164       info_mode = INFO_MODE_MAIN;
2165
2166       DrawInfoScreen();
2167     }
2168     else        // default: return to main menu
2169     {
2170       SetGameStatus(GAME_MODE_MAIN);
2171
2172       DrawMainMenu();
2173     }
2174   }
2175 }
2176
2177 static void HandleMainMenu_ToggleTeamMode(void)
2178 {
2179   setup.team_mode = !setup.team_mode;
2180
2181   InitializeMainControls();
2182   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
2183
2184   DrawPreviewPlayers();
2185 }
2186
2187 static void HandleMainMenu_SelectLevel(int step, int direction,
2188                                        int selected_level_nr)
2189 {
2190   int old_level_nr = level_nr;
2191   int new_level_nr;
2192
2193   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
2194     new_level_nr = selected_level_nr;
2195   else
2196     new_level_nr = old_level_nr + step * direction;
2197
2198   if (new_level_nr < leveldir_current->first_level)
2199     new_level_nr = leveldir_current->first_level;
2200   if (new_level_nr > leveldir_current->last_level)
2201     new_level_nr = leveldir_current->last_level;
2202
2203   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
2204   {
2205     // skipping levels is only allowed when trying to skip single level
2206     // (also, skipping BD style intermission levels is always possible)
2207     if (new_level_nr == old_level_nr + 1 &&
2208         (level.bd_intermission ||
2209          (setup.skip_levels && Request("Level still unsolved! Skip it anyway?", REQ_ASK))))
2210     {
2211       leveldir_current->handicap_level++;
2212       SaveLevelSetup_SeriesInfo();
2213     }
2214
2215     new_level_nr = leveldir_current->handicap_level;
2216   }
2217
2218   if (new_level_nr != old_level_nr)
2219   {
2220     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2221
2222     PlaySound(SND_MENU_ITEM_SELECTING);
2223
2224     level_nr = new_level_nr;
2225
2226     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2227              int2str(level_nr, menu.main.text.level_number.size),
2228              mci->pos_text->font);
2229
2230     LoadLevel(level_nr);
2231     DrawPreviewLevelInitial();
2232
2233     TapeErase();
2234     LoadTape(level_nr);
2235     DrawCompleteVideoDisplay();
2236
2237     SaveLevelSetup_SeriesInfo();
2238
2239     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2240
2241     // force redraw of playfield area (may be reset at this point)
2242     redraw_mask |= REDRAW_FIELD;
2243   }
2244 }
2245
2246 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2247 {
2248   static int choice = MAIN_CONTROL_GAME;
2249   static boolean button_pressed_last = FALSE;
2250   boolean button_pressed = FALSE;
2251   int pos = choice;
2252   int i = 0;    // needed to prevent compiler warning due to bad code below
2253
2254   if (button == MB_MENU_INITIALIZE)
2255   {
2256     DrawCursorAndText_Main(choice, TRUE, FALSE);
2257
2258     return;
2259   }
2260
2261   if (mx || my)         // mouse input
2262   {
2263     pos = -1;
2264
2265     for (i = 0; main_controls[i].nr != -1; i++)
2266     {
2267       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2268           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2269           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2270       {
2271         pos = main_controls[i].nr;
2272
2273         break;
2274       }
2275     }
2276
2277     // check if level preview was clicked
2278     if (insidePreviewRect(&preview, mx - SX, my - SY))
2279       pos = MAIN_CONTROL_GAME;
2280
2281     // handle pressed/unpressed state for active/inactive menu buttons
2282     // (if pos != -1, "i" contains index position corresponding to "pos")
2283     if (button &&
2284         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2285         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2286       button_pressed = TRUE;
2287
2288     if (button_pressed != button_pressed_last)
2289     {
2290       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2291
2292       if (button_pressed)
2293         PlaySound(SND_MENU_BUTTON_PRESSING);
2294       else
2295         PlaySound(SND_MENU_BUTTON_RELEASING);
2296     }
2297   }
2298   else if (dx || dy)    // keyboard input
2299   {
2300     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2301                    choice == MAIN_CONTROL_SETUP))
2302       button = MB_MENU_CHOICE;
2303     else if (dy)
2304       pos = choice + dy;
2305   }
2306
2307   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2308   {
2309     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2310   }
2311   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2312   {
2313     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2314   }
2315   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2316   {
2317     CloseDoor(DOOR_CLOSE_2);
2318
2319     SetGameStatus(GAME_MODE_LEVELNR);
2320
2321     DrawChooseLevelNr();
2322   }
2323   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2324   {
2325     if (button)
2326     {
2327       if (pos != choice)
2328       {
2329         PlaySound(SND_MENU_ITEM_ACTIVATING);
2330
2331         DrawCursorAndText_Main(choice, FALSE, FALSE);
2332         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2333
2334         choice = pos;
2335       }
2336       else if (dx != 0)
2337       {
2338         if (choice == MAIN_CONTROL_NAME)
2339         {
2340           // special case: cursor left or right pressed -- toggle team mode
2341           HandleMainMenu_ToggleTeamMode();
2342         }
2343         else if (choice != MAIN_CONTROL_INFO &&
2344                  choice != MAIN_CONTROL_SETUP)
2345         {
2346           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2347         }
2348       }
2349     }
2350     else
2351     {
2352       PlaySound(SND_MENU_ITEM_SELECTING);
2353
2354       if (pos == MAIN_CONTROL_NAME)
2355       {
2356         if ((mx || my) &&
2357             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2358         {
2359           // special case: menu text "name/team" clicked -- toggle team mode
2360           HandleMainMenu_ToggleTeamMode();
2361         }
2362         else
2363         {
2364           if (setup.multiple_users)
2365           {
2366             CloseDoor(DOOR_CLOSE_2);
2367
2368             SetGameStatus(GAME_MODE_NAMES);
2369
2370             DrawChoosePlayerName();
2371           }
2372           else
2373           {
2374             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2375
2376             DrawTypeName();
2377           }
2378         }
2379       }
2380       else if (pos == MAIN_CONTROL_LEVELS)
2381       {
2382         if (leveldir_first)
2383         {
2384           CloseDoor(DOOR_CLOSE_2);
2385
2386           SetGameStatus(GAME_MODE_LEVELS);
2387
2388           SaveLevelSetup_LastSeries();
2389           SaveLevelSetup_SeriesInfo();
2390
2391           // restore level set if chosen from "last played level set" menu
2392           RestoreLastPlayedLevels(&leveldir_current);
2393
2394           if (setup.internal.choose_from_top_leveldir)
2395             gotoTopLevelDir();
2396
2397           DrawChooseLevelSet();
2398         }
2399       }
2400       else if (pos == MAIN_CONTROL_SCORES)
2401       {
2402         CloseDoor(DOOR_CLOSE_2);
2403
2404         SetGameStatus(GAME_MODE_SCORES);
2405
2406         DrawHallOfFame(level_nr);
2407       }
2408       else if (pos == MAIN_CONTROL_EDITOR)
2409       {
2410         if (leveldir_current->readonly &&
2411             setup.editor.show_read_only_warning)
2412           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2413
2414         CloseDoor(DOOR_CLOSE_ALL);
2415
2416         SetGameStatus(GAME_MODE_EDITOR);
2417
2418         FadeSetEnterScreen();
2419
2420         DrawLevelEd();
2421       }
2422       else if (pos == MAIN_CONTROL_INFO)
2423       {
2424         CloseDoor(DOOR_CLOSE_2);
2425
2426         SetGameStatus(GAME_MODE_INFO);
2427
2428         info_mode = INFO_MODE_MAIN;
2429
2430         DrawInfoScreen();
2431       }
2432       else if (pos == MAIN_CONTROL_GAME)
2433       {
2434         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2435       }
2436       else if (pos == MAIN_CONTROL_SETUP)
2437       {
2438         CloseDoor(DOOR_CLOSE_2);
2439
2440         SetGameStatus(GAME_MODE_SETUP);
2441
2442         setup_mode = SETUP_MODE_MAIN;
2443
2444         DrawSetupScreen();
2445       }
2446       else if (pos == MAIN_CONTROL_QUIT)
2447       {
2448         SaveLevelSetup_LastSeries();
2449         SaveLevelSetup_SeriesInfo();
2450
2451 #if defined(PLATFORM_EMSCRIPTEN)
2452         Request("Close the browser window to quit!", REQ_CONFIRM);
2453 #else
2454         if (!setup.ask_on_quit_program ||
2455             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2456           SetGameStatus(GAME_MODE_QUIT);
2457 #endif
2458       }
2459     }
2460   }
2461
2462   button_pressed_last = button_pressed;
2463 }
2464
2465
2466 // ============================================================================
2467 // info screen functions
2468 // ============================================================================
2469
2470 static struct TokenInfo *info_info;
2471 static int num_info_info;       // number of info entries shown on screen
2472 static int max_info_info;       // total number of info entries in list
2473
2474 static void execInfoTitleScreen(void)
2475 {
2476   info_mode = INFO_MODE_TITLE;
2477
2478   DrawInfoScreen();
2479 }
2480
2481 static void execInfoElements(void)
2482 {
2483   info_mode = INFO_MODE_ELEMENTS;
2484
2485   DrawInfoScreen();
2486 }
2487
2488 static void execInfoMusic(void)
2489 {
2490   info_mode = INFO_MODE_MUSIC;
2491
2492   DrawInfoScreen();
2493 }
2494
2495 static void execInfoCredits(void)
2496 {
2497   info_mode = INFO_MODE_CREDITS;
2498
2499   DrawInfoScreen();
2500 }
2501
2502 static void execInfoProgram(void)
2503 {
2504   info_mode = INFO_MODE_PROGRAM;
2505
2506   DrawInfoScreen();
2507 }
2508
2509 static void execInfoVersion(void)
2510 {
2511   info_mode = INFO_MODE_VERSION;
2512
2513   DrawInfoScreen();
2514 }
2515
2516 static void execInfoLevelSet(void)
2517 {
2518   info_mode = INFO_MODE_LEVELSET;
2519
2520   DrawInfoScreen();
2521 }
2522
2523 static void execExitInfo(void)
2524 {
2525   SetGameStatus(GAME_MODE_MAIN);
2526
2527   DrawMainMenu();
2528 }
2529
2530 static struct TokenInfo info_info_main[] =
2531 {
2532   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    STR_INFO_TITLE          },
2533   { TYPE_ENTER_SCREEN,  execInfoElements,       STR_INFO_ELEMENTS       },
2534   { TYPE_ENTER_SCREEN,  execInfoMusic,          STR_INFO_MUSIC          },
2535   { TYPE_ENTER_SCREEN,  execInfoCredits,        STR_INFO_CREDITS        },
2536   { TYPE_ENTER_SCREEN,  execInfoProgram,        STR_INFO_PROGRAM        },
2537   { TYPE_ENTER_SCREEN,  execInfoVersion,        STR_INFO_VERSION        },
2538   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       STR_INFO_LEVELSET       },
2539   { TYPE_EMPTY,         NULL,                   ""                      },
2540   { TYPE_LEAVE_MENU,    execExitInfo,           STR_INFO_EXIT           },
2541
2542   { 0,                  NULL,                   NULL                    }
2543 };
2544
2545 static int getMenuTextFont(int type)
2546 {
2547   if (type & (TYPE_SWITCH       |
2548               TYPE_YES_NO       |
2549               TYPE_YES_NO_AUTO  |
2550               TYPE_STRING       |
2551               TYPE_PLAYER       |
2552               TYPE_ECS_AGA      |
2553               TYPE_KEYTEXT      |
2554               TYPE_ENTER_LIST   |
2555               TYPE_TEXT_INPUT))
2556     return FONT_MENU_2;
2557   else
2558     return FONT_MENU_1;
2559 }
2560
2561 static struct TokenInfo *setup_info;
2562 static struct TokenInfo setup_info_input[];
2563
2564 static struct TokenInfo *menu_info;
2565
2566 static void PlayInfoSound(void)
2567 {
2568   int info_sound = getInfoScreenBackgroundSound_Generic();
2569   char *next_sound = getSoundInfoEntryFilename(info_sound);
2570
2571   if (next_sound != NULL)
2572     PlayMenuSoundExt(info_sound);
2573   else
2574     PlayMenuSound();
2575 }
2576
2577 static void PlayInfoSoundIfLoop(void)
2578 {
2579   int info_sound = getInfoScreenBackgroundSound_Generic();
2580   char *next_sound = getSoundInfoEntryFilename(info_sound);
2581
2582   if (next_sound != NULL)
2583     PlayMenuSoundIfLoopExt(info_sound);
2584   else
2585     PlayMenuSoundIfLoop();
2586 }
2587
2588 static void PlayInfoMusic(void)
2589 {
2590   int info_music = getInfoScreenBackgroundMusic_Generic();
2591   char *curr_music = getCurrentlyPlayingMusicFilename();
2592   char *next_music = getMusicInfoEntryFilename(info_music);
2593
2594   if (next_music != NULL)
2595   {
2596     // play music if info screen music differs from current music
2597     if (!strEqual(curr_music, next_music))
2598       PlayMenuMusicExt(info_music);
2599   }
2600   else
2601   {
2602     // only needed if info screen was directly invoked from main menu
2603     PlayMenuMusic();
2604   }
2605 }
2606
2607 static void PlayInfoSoundsAndMusic(void)
2608 {
2609   PlayInfoSound();
2610   PlayInfoMusic();
2611 }
2612
2613 static void FadeInfoSounds(void)
2614 {
2615   FadeSounds();
2616 }
2617
2618 static void FadeInfoMusic(void)
2619 {
2620   int info_music = getInfoScreenBackgroundMusic_Generic();
2621   char *curr_music = getCurrentlyPlayingMusicFilename();
2622   char *next_music = getMusicInfoEntryFilename(info_music);
2623
2624   if (next_music != NULL)
2625   {
2626     // fade music if info screen music differs from current music
2627     if (!strEqual(curr_music, next_music))
2628       FadeMusic();
2629   }
2630 }
2631
2632 static void FadeInfoSoundsAndMusic(void)
2633 {
2634   FadeInfoSounds();
2635   FadeInfoMusic();
2636 }
2637
2638 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2639                                        int screen_pos, int menu_info_pos_raw,
2640                                        boolean active)
2641 {
2642   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2643   struct TokenInfo *ti = &token_info[pos];
2644   int xpos = MENU_SCREEN_START_XPOS;
2645   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2646   int font_nr = getMenuTextFont(ti->type);
2647
2648   if (setup_mode == SETUP_MODE_INPUT)
2649     font_nr = FONT_MENU_1;
2650
2651   if (active)
2652     font_nr = FONT_ACTIVE(font_nr);
2653
2654   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2655
2656   if (ti->type & ~TYPE_SKIP_ENTRY)
2657     drawCursor(screen_pos, active);
2658 }
2659
2660 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2661                                    boolean active)
2662 {
2663   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2664 }
2665
2666 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2667                                     boolean active)
2668 {
2669   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2670 }
2671
2672 static char *window_size_text;
2673 static char *scaling_type_text;
2674 static char *network_server_text;
2675
2676 static void drawSetupValue(int, int);
2677
2678 static void drawMenuInfoList(int first_entry, int num_page_entries,
2679                              int max_page_entries)
2680 {
2681   int i;
2682
2683   if (first_entry + num_page_entries > max_page_entries)
2684     first_entry = 0;
2685
2686   clearMenuListArea();
2687
2688   for (i = 0; i < num_page_entries; i++)
2689   {
2690     int menu_info_pos = first_entry + i;
2691     struct TokenInfo *si = &menu_info[menu_info_pos];
2692     void *value_ptr = si->value;
2693
2694     // set some entries to "unchangeable" according to other variables
2695     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2696         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2697         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2698         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2699         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2700         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2701       si->type |= TYPE_GHOSTED;
2702
2703     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2704       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2705     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2706       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2707     else if (si->type & ~TYPE_SKIP_ENTRY)
2708       initCursor(i, IMG_MENU_BUTTON);
2709
2710     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2711
2712     if (si->type & TYPE_STRING)
2713     {
2714       int gadget_id = -1;
2715
2716       if (value_ptr == &network_server_text)
2717         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2718
2719       if (gadget_id != -1)
2720       {
2721         struct GadgetInfo *gi = screen_gadget[gadget_id];
2722         int xpos = MENU_SCREEN_START_XPOS;
2723         int ypos = MENU_SCREEN_START_YPOS + i;
2724         int x = mSX + xpos * 32;
2725         int y = mSY + ypos * 32;
2726
2727         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2728       }
2729     }
2730
2731     if (si->type & TYPE_VALUE &&
2732         menu_info == setup_info)
2733       drawSetupValue(i, menu_info_pos);
2734   }
2735 }
2736
2737 static void DrawInfoScreen_Main(void)
2738 {
2739   int fade_mask = REDRAW_FIELD;
2740   int i;
2741
2742   // (needed after displaying info sub-screens directly from main menu)
2743   if (info_screens_from_main)
2744   {
2745     info_screens_from_main = FALSE;
2746
2747     SetGameStatus(GAME_MODE_MAIN);
2748
2749     DrawMainMenu();
2750
2751     return;
2752   }
2753
2754   if (redraw_mask & REDRAW_ALL)
2755     fade_mask = REDRAW_ALL;
2756
2757   if (CheckFadeAll())
2758     fade_mask = REDRAW_ALL;
2759
2760   UnmapAllGadgets();
2761   FadeMenuSoundsAndMusic();
2762
2763   FreeScreenGadgets();
2764   CreateScreenGadgets();
2765
2766   // (needed after displaying title screens which disable auto repeat)
2767   KeyboardAutoRepeatOn();
2768
2769   FadeSetLeaveScreen();
2770
2771   FadeOut(fade_mask);
2772
2773   // needed if different viewport properties defined for info screen
2774   ChangeViewportPropertiesIfNeeded();
2775
2776   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2777
2778   ClearField();
2779
2780   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2781
2782   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_INFO_MAIN);
2783
2784   info_info = info_info_main;
2785
2786   // use modified info screen info without info screen entries marked as hidden
2787   info_info = getSetupInfoFinal(info_info);
2788
2789   // determine maximal number of info entries that can be displayed on screen
2790   num_info_info = 0;
2791   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2792     num_info_info++;
2793
2794   // determine maximal number of info entries available for menu of info screen
2795   max_info_info = 0;
2796   for (i = 0; info_info[i].type != 0; i++)
2797     max_info_info++;
2798
2799   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2800
2801   MapScreenGadgets(max_info_info);
2802
2803   PlayMenuSoundsAndMusic();
2804
2805   DrawMaskedBorder(fade_mask);
2806
2807   FadeIn(fade_mask);
2808 }
2809
2810 static void changeSetupValue(int, int, int);
2811
2812 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2813                              int mode, int num_page_entries,
2814                              int max_page_entries)
2815 {
2816   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2817   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2818   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2819   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2820   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2821   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2822   int *num_page_entries_last = num_page_entries_all_last[game_status];
2823   int *choice_store = choice_stores[game_status];
2824   int *first_entry_store = first_entry_stores[game_status];
2825   int choice = choice_store[mode];              // starts with 0
2826   int first_entry = first_entry_store[mode];    // starts with 0
2827   int x = 0;
2828   int y = choice - first_entry;
2829   int y_old = y;
2830   boolean position_set_by_scrollbar = (dx == 999);
2831   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2832   int i;
2833
2834   if (button == MB_MENU_INITIALIZE)
2835   {
2836     // check if number of menu page entries has changed (may happen by change
2837     // of custom artwork definition value for 'list_size' for this menu screen)
2838     // (in this case, the last menu position most probably has to be corrected)
2839     if (num_page_entries != num_page_entries_last[mode])
2840     {
2841       choice_store[mode] = first_entry_store[mode] = 0;
2842
2843       choice = first_entry = 0;
2844       y = y_old = 0;
2845
2846       num_page_entries_last[mode] = num_page_entries;
2847     }
2848
2849     // advance to first valid menu entry
2850     while (choice < num_page_entries &&
2851            menu_info[choice].type & TYPE_SKIP_ENTRY)
2852       choice++;
2853
2854     if (position_set_by_scrollbar)
2855       first_entry = first_entry_store[mode] = dy;
2856     else
2857       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2858                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2859
2860     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2861
2862     if (choice < first_entry)
2863     {
2864       choice = first_entry;
2865
2866       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2867         choice++;
2868     }
2869     else if (choice > first_entry + num_page_entries - 1)
2870     {
2871       choice = first_entry + num_page_entries - 1;
2872
2873       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2874         choice--;
2875     }
2876
2877     choice_store[mode] = choice;
2878
2879     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2880
2881     return;
2882   }
2883   else if (button == MB_MENU_LEAVE)
2884   {
2885     PlaySound(SND_MENU_ITEM_SELECTING);
2886
2887     for (i = 0; i < max_page_entries; i++)
2888     {
2889       if (menu_info[i].type & TYPE_LEAVE_MENU)
2890       {
2891         void (*menu_callback_function)(void) = menu_info[i].value;
2892
2893         FadeSetLeaveMenu();
2894
2895         menu_callback_function();
2896
2897         break;  // absolutely needed because function changes 'menu_info'!
2898       }
2899     }
2900
2901     return;
2902   }
2903
2904   if (mx || my)         // mouse input
2905   {
2906     x = (mx - mSX) / 32;
2907     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2908   }
2909   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2910   {
2911     // move cursor instead of scrolling when already at start/end of list
2912     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2913       dy = -1;
2914     else if (dy == +1 * SCROLL_LINE &&
2915              first_entry + num_page_entries == max_page_entries)
2916       dy = 1;
2917
2918     // handle scrolling screen one line or page
2919     if (y + dy < 0 ||
2920         y + dy > num_page_entries - 1)
2921     {
2922       boolean redraw = FALSE;
2923
2924       if (ABS(dy) == SCROLL_PAGE)
2925         step = num_page_entries - 1;
2926
2927       if (dy < 0 && first_entry > 0)
2928       {
2929         // scroll page/line up
2930
2931         first_entry -= step;
2932         if (first_entry < 0)
2933           first_entry = 0;
2934
2935         redraw = TRUE;
2936       }
2937       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2938       {
2939         // scroll page/line down
2940
2941         first_entry += step;
2942         if (first_entry + num_page_entries > max_page_entries)
2943           first_entry = MAX(0, max_page_entries - num_page_entries);
2944
2945         redraw = TRUE;
2946       }
2947
2948       if (redraw)
2949       {
2950         choice += first_entry - first_entry_store[mode];
2951
2952         if (choice < first_entry)
2953         {
2954           choice = first_entry;
2955
2956           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2957             choice++;
2958         }
2959         else if (choice > first_entry + num_page_entries - 1)
2960         {
2961           choice = first_entry + num_page_entries - 1;
2962
2963           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2964             choice--;
2965         }
2966         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2967         {
2968           choice += SIGN(dy);
2969
2970           if (choice < first_entry ||
2971               choice > first_entry + num_page_entries - 1)
2972           first_entry += SIGN(dy);
2973         }
2974
2975         first_entry_store[mode] = first_entry;
2976         choice_store[mode] = choice;
2977
2978         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2979
2980         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2981
2982         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2983                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2984       }
2985
2986       return;
2987     }
2988
2989     if (dx)
2990     {
2991       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2992
2993       if (menu_info[choice].type & menu_navigation_type ||
2994           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2995           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2996           menu_info[choice].type & TYPE_PLAYER)
2997         button = MB_MENU_CHOICE;
2998     }
2999     else if (dy)
3000       y += dy;
3001
3002     // jump to next non-empty menu entry (up or down)
3003     while (first_entry + y > 0 &&
3004            first_entry + y < max_page_entries - 1 &&
3005            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
3006       y += dy;
3007
3008     if (!IN_VIS_MENU(x, y))
3009     {
3010       choice += y - y_old;
3011
3012       if (choice < first_entry)
3013         first_entry = choice;
3014       else if (choice > first_entry + num_page_entries - 1)
3015         first_entry = choice - num_page_entries + 1;
3016
3017       if (first_entry >= 0 &&
3018           first_entry + num_page_entries <= max_page_entries)
3019       {
3020         first_entry_store[mode] = first_entry;
3021
3022         if (choice < first_entry)
3023           choice = first_entry;
3024         else if (choice > first_entry + num_page_entries - 1)
3025           choice = first_entry + num_page_entries - 1;
3026
3027         choice_store[mode] = choice;
3028
3029         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
3030
3031         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
3032
3033         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
3034                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
3035       }
3036
3037       return;
3038     }
3039   }
3040
3041   if (!anyScrollbarGadgetActive() &&
3042       IN_VIS_MENU(x, y) &&
3043       mx < mx_right_border &&
3044       y >= 0 && y < num_page_entries)
3045   {
3046     if (button)
3047     {
3048       if (first_entry + y != choice &&
3049           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
3050       {
3051         PlaySound(SND_MENU_ITEM_ACTIVATING);
3052
3053         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
3054         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
3055
3056         choice = choice_store[mode] = first_entry + y;
3057       }
3058       else if (dx < 0)
3059       {
3060         PlaySound(SND_MENU_ITEM_SELECTING);
3061
3062         for (i = 0; menu_info[i].type != 0; i++)
3063         {
3064           if (menu_info[i].type & TYPE_LEAVE_MENU)
3065           {
3066             void (*menu_callback_function)(void) = menu_info[i].value;
3067
3068             FadeSetLeaveMenu();
3069
3070             menu_callback_function();
3071
3072             // absolutely needed because function changes 'menu_info'!
3073             break;
3074           }
3075         }
3076
3077         return;
3078       }
3079     }
3080     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
3081     {
3082       PlaySound(SND_MENU_ITEM_SELECTING);
3083
3084       // when selecting key headline, execute function for key value change
3085       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
3086           menu_info[first_entry + y + 1].type & TYPE_KEY)
3087         y++;
3088
3089       // when selecting string value, execute function for list selection
3090       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
3091           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
3092         y--;
3093
3094       // when selecting string value, execute function for text input gadget
3095       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
3096           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
3097         y--;
3098
3099       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
3100       {
3101         void (*menu_callback_function)(void) =
3102           menu_info[first_entry + y].value;
3103
3104         FadeSetFromType(menu_info[first_entry + y].type);
3105
3106         menu_callback_function();
3107       }
3108       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
3109       {
3110         void (*gadget_callback_function)(void) =
3111           menu_info[first_entry + y].value;
3112
3113         gadget_callback_function();
3114       }
3115       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
3116                menu_info == setup_info)
3117       {
3118         changeSetupValue(y, first_entry + y, dx);
3119       }
3120     }
3121   }
3122 }
3123
3124 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
3125 {
3126   menu_info = info_info;
3127
3128   HandleMenuScreen(mx, my, dx, dy, button,
3129                    info_mode, num_info_info, max_info_info);
3130 }
3131
3132 static int getMenuFontSpacing(int spacing_height, int font_nr)
3133 {
3134   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
3135
3136   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
3137           spacing_height);
3138 }
3139
3140 static int getMenuTextSpacing(int spacing_height, int font_nr)
3141 {
3142   return (getMenuFontSpacing(spacing_height, font_nr) +
3143           EXTRA_SPACING(game_status));
3144 }
3145
3146 static int getMenuTextStep(int spacing_height, int font_nr)
3147 {
3148   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
3149 }
3150
3151 static int getHeadlineSpacing(void)
3152 {
3153   // special compatibility handling for "R'n'D jue 2022" game editions
3154   int spacing_check = menu.headline1_spacing[GAME_MODE_SCOREINFO];
3155   int spacing = (game_status == GAME_MODE_SCOREINFO ?
3156                  menu.headline1_spacing[GAME_MODE_SCOREINFO] :
3157                  menu.headline1_spacing_info[info_mode]);
3158   int font = MENU_INFO_FONT_TITLE;
3159
3160   return (spacing_check != -2 ? getMenuTextStep(spacing, font) : 0);
3161 }
3162
3163 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
3164 {
3165   int font_error = FONT_TEXT_2;
3166   int font_foot  = MENU_INFO_FONT_FOOT;
3167   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3168   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3169
3170   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
3171
3172   FadeOut(REDRAW_FIELD);
3173
3174   ClearField();
3175
3176   DrawInfoScreen_Headline(0, 1, FALSE);
3177
3178   DrawTextSCentered(ystart, font_error, text_error);
3179   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3180
3181   FadeIn(REDRAW_FIELD);
3182 }
3183
3184 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
3185 {
3186   static int infoscreen_step[MAX_INFO_ELEMENTS_IN_ARRAY];
3187   static int infoscreen_frame[MAX_INFO_ELEMENTS_IN_ARRAY];
3188   int font_foot = MENU_INFO_FONT_FOOT;
3189   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
3190   int ystart = mSY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3191   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3192   int ystep = MENU_SCREEN_INFO_YSTEP;
3193   int row_height = MENU_SCREEN_INFO_ENTRY_SIZE;
3194   int tilesize = MENU_SCREEN_INFO_TILE_SIZE;
3195   int yoffset = (row_height - tilesize) / 2;
3196   int element, action, direction;
3197   int graphic;
3198   int delay;
3199   int sync_frame;
3200   int i, j;
3201
3202   if (init)
3203   {
3204     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
3205       infoscreen_step[i] = infoscreen_frame[i] = 0;
3206
3207     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3208
3209     FrameCounter = 0;
3210   }
3211
3212   i = j = 0;
3213   while (helpanim_info[j].element != HELPANIM_LIST_END)
3214   {
3215     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
3216         i >= max_anims)
3217       break;
3218     else if (i < start)
3219     {
3220       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3221         j++;
3222
3223       j++;
3224       i++;
3225
3226       continue;
3227     }
3228
3229     int ypos = i - start;
3230     int ystart_pos = ystart + ypos * ystep + yoffset;
3231
3232     j += infoscreen_step[ypos];
3233
3234     element = helpanim_info[j].element;
3235     action = helpanim_info[j].action;
3236     direction = helpanim_info[j].direction;
3237
3238     if (element < 0)
3239       element = EL_UNKNOWN;
3240
3241     if (action != -1 && direction != -1)
3242       graphic = el_act_dir2img(element, action, direction);
3243     else if (action != -1)
3244       graphic = el_act2img(element, action);
3245     else if (direction != -1)
3246       graphic = el_dir2img(element, direction);
3247     else
3248       graphic = el2img(element);
3249
3250     delay = helpanim_info[j++].delay;
3251
3252     if (delay == -1)
3253       delay = 1000000;
3254
3255     if (infoscreen_frame[ypos] == 0)
3256     {
3257       sync_frame = 0;
3258       infoscreen_frame[ypos] = delay - 1;
3259     }
3260     else
3261     {
3262       sync_frame = delay - infoscreen_frame[ypos];
3263       infoscreen_frame[ypos]--;
3264     }
3265
3266     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
3267     {
3268       if (!infoscreen_frame[ypos])
3269         infoscreen_step[ypos] = 0;
3270     }
3271     else
3272     {
3273       if (!infoscreen_frame[ypos])
3274         infoscreen_step[ypos]++;
3275       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3276         j++;
3277     }
3278
3279     j++;
3280
3281     ClearRectangleOnBackground(drawto, xstart, ystart_pos, tilesize, tilesize);
3282     DrawSizedGraphicAnimationExt(drawto, xstart, ystart_pos,
3283                                  graphic, sync_frame, tilesize, USE_MASKING);
3284
3285     if (init)
3286       DrawInfoScreen_HelpText(element, action, direction, ypos);
3287
3288     i++;
3289   }
3290
3291   redraw_mask |= REDRAW_FIELD;
3292
3293   FrameCounter++;
3294 }
3295
3296 static char *getHelpText(int element, int action, int direction)
3297 {
3298   char token[MAX_LINE_LEN];
3299
3300   strcpy(token, element_info[element].token_name);
3301
3302   if (action != -1)
3303     strcat(token, element_action_info[action].suffix);
3304
3305   if (direction != -1)
3306     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
3307
3308   return getHashEntry(helptext_info, token);
3309 }
3310
3311 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3312 {
3313   int font_nr = FONT_INFO_ELEMENTS;
3314   int font_width = getFontWidth(font_nr);
3315   int font_height = getFontHeight(font_nr);
3316   int line_spacing = MENU_SCREEN_INFO_SPACE_LINE;
3317   int left_spacing = MENU_SCREEN_INFO_SPACE_LEFT;
3318   int middle_spacing = MENU_SCREEN_INFO_SPACE_MIDDLE;
3319   int right_spacing = MENU_SCREEN_INFO_SPACE_RIGHT;
3320   int line_height = font_height + line_spacing;
3321   int row_height = MENU_SCREEN_INFO_ENTRY_SIZE;
3322   int tilesize = MENU_SCREEN_INFO_TILE_SIZE;
3323   int xstart = mSX + left_spacing + tilesize + middle_spacing;
3324   int ystart = mSY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3325   int ystep = MENU_SCREEN_INFO_YSTEP;
3326   int pad_left = xstart - SX;
3327   int pad_right = right_spacing;
3328   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3329   int max_lines_per_text = (row_height + line_spacing) / line_height;
3330   char *text = NULL;
3331   boolean autowrap = TRUE;
3332   boolean centered = FALSE;
3333   boolean parse_comments = FALSE;
3334
3335   if (action != -1 && direction != -1)          // element.action.direction
3336     text = getHelpText(element, action, direction);
3337
3338   if (text == NULL && action != -1)             // element.action
3339     text = getHelpText(element, action, -1);
3340
3341   if (text == NULL && direction != -1)          // element.direction
3342     text = getHelpText(element, -1, direction);
3343
3344   if (text == NULL)                             // base element
3345     text = getHelpText(element, -1, -1);
3346
3347   if (text == NULL)                             // not found
3348     text = "No description available";
3349
3350   DisableDrawingText();
3351
3352   // first get number of text lines to calculate offset for centering text
3353   int num_lines_printed =
3354     DrawTextBuffer(0, 0, text, font_nr,
3355                    max_chars_per_line, -1, max_lines_per_text, line_spacing, -1,
3356                    autowrap, centered, parse_comments);
3357
3358   EnableDrawingText();
3359
3360   int size_lines_printed = num_lines_printed * line_height - line_spacing;
3361   int yoffset = (row_height - size_lines_printed) / 2;
3362
3363   DrawTextBuffer(xstart, ystart + ypos * ystep + yoffset, text, font_nr,
3364                  max_chars_per_line, -1, max_lines_per_text, line_spacing, -1,
3365                  autowrap, centered, parse_comments);
3366 }
3367
3368 static void DrawInfoScreen_TitleScreen(void)
3369 {
3370   SetGameStatus(GAME_MODE_TITLE);
3371
3372   UnmapAllGadgets();
3373
3374   DrawTitleScreen();
3375 }
3376
3377 void HandleInfoScreen_TitleScreen(int dx, int dy, int button)
3378 {
3379   HandleTitleScreen(0, 0, dx, dy, button);
3380 }
3381
3382 static void DrawInfoScreen_Elements(void)
3383 {
3384   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3385
3386   UnmapAllGadgets();
3387   FadeInfoSoundsAndMusic();
3388
3389   FadeOut(REDRAW_FIELD);
3390
3391   LoadHelpAnimInfo();
3392   LoadHelpTextInfo();
3393
3394   HandleInfoScreen_Elements(0, 0, MB_MENU_INITIALIZE);
3395
3396   PlayInfoSoundsAndMusic();
3397
3398   FadeIn(REDRAW_FIELD);
3399 }
3400
3401 void HandleInfoScreen_Elements(int dx, int dy, int button)
3402 {
3403   static DelayCounter info_delay = { 0 };
3404   static int num_anims;
3405   static int num_pages;
3406   static int page;
3407   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3408   int i;
3409
3410   info_delay.value = GameFrameDelay;
3411
3412   if (button == MB_MENU_INITIALIZE)
3413   {
3414     boolean new_element = TRUE;
3415
3416     num_anims = 0;
3417
3418     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3419     {
3420       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3421         new_element = TRUE;
3422       else if (new_element)
3423       {
3424         num_anims++;
3425         new_element = FALSE;
3426       }
3427     }
3428
3429     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3430     page = 0;
3431   }
3432
3433   if (button == MB_MENU_LEAVE)
3434   {
3435     PlaySound(SND_MENU_ITEM_SELECTING);
3436
3437     info_mode = INFO_MODE_MAIN;
3438     DrawInfoScreen();
3439
3440     return;
3441   }
3442   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3443   {
3444     if (button != MB_MENU_INITIALIZE)
3445     {
3446       PlaySound(SND_MENU_ITEM_SELECTING);
3447
3448       page += (dx < 0 ? -1 : +1);
3449     }
3450
3451     if (page < 0 || page >= num_pages)
3452     {
3453       FadeInfoSoundsAndMusic();
3454
3455       info_mode = INFO_MODE_MAIN;
3456       DrawInfoScreen();
3457
3458       return;
3459     }
3460
3461     if (button != MB_MENU_INITIALIZE)
3462       FadeSetNextScreen();
3463
3464     if (button != MB_MENU_INITIALIZE)
3465       FadeOut(REDRAW_FIELD);
3466
3467     ClearField();
3468
3469     DrawInfoScreen_Headline(page, num_pages, TRUE);
3470     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3471
3472     if (button != MB_MENU_INITIALIZE)
3473       FadeIn(REDRAW_FIELD);
3474   }
3475   else
3476   {
3477     if (DelayReached(&info_delay))
3478       if (page < num_pages)
3479         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3480
3481     PlayInfoSoundIfLoop();
3482   }
3483 }
3484
3485 static void DrawInfoScreen_Music(void)
3486 {
3487   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3488
3489   UnmapAllGadgets();
3490
3491   FadeOut(REDRAW_FIELD);
3492
3493   ClearField();
3494
3495   DrawInfoScreen_Headline(0, 1, TRUE);
3496
3497   LoadMusicInfo();
3498
3499   HandleInfoScreen_Music(0, 0, MB_MENU_INITIALIZE);
3500
3501   FadeIn(REDRAW_FIELD);
3502 }
3503
3504 void HandleInfoScreen_Music(int dx, int dy, int button)
3505 {
3506   static struct MusicFileInfo *list = NULL;
3507   static int num_screens = 0;
3508   static int screen_nr = 0;
3509   int font_title = MENU_INFO_FONT_TITLE;
3510   int font_head  = MENU_INFO_FONT_HEAD;
3511   int font_text  = MENU_INFO_FONT_TEXT;
3512   int font_foot  = MENU_INFO_FONT_FOOT;
3513   int spacing_head = menu.headline2_spacing_info[info_mode];
3514   int ystep_head = getMenuTextStep(spacing_head,  font_head);
3515   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3516   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3517
3518   if (button == MB_MENU_INITIALIZE)
3519   {
3520     struct MusicFileInfo *list_ptr = music_file_info;
3521
3522     num_screens = 0;
3523     screen_nr = 0;
3524
3525     while (list_ptr != NULL)
3526     {
3527       list_ptr = list_ptr->next;
3528       num_screens++;
3529     }
3530
3531     list = music_file_info;
3532
3533     if (list == NULL)
3534     {
3535       FadeMenuSoundsAndMusic();
3536
3537       ClearField();
3538
3539       DrawInfoScreen_Headline(0, 1, TRUE);
3540
3541       DrawTextSCentered(ystart, font_title, "No music info for this level set.");
3542       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3543
3544       return;
3545     }
3546   }
3547
3548   if (button == MB_MENU_LEAVE)
3549   {
3550     PlaySound(SND_MENU_ITEM_SELECTING);
3551
3552     FadeMenuSoundsAndMusic();
3553
3554     info_mode = INFO_MODE_MAIN;
3555     DrawInfoScreen();
3556
3557     return;
3558   }
3559   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3560   {
3561     if (button != MB_MENU_INITIALIZE)
3562     {
3563       PlaySound(SND_MENU_ITEM_SELECTING);
3564
3565       if (list != NULL)
3566       {
3567         list = (dx < 0 ? list->prev : list->next);
3568         screen_nr += (dx < 0 ? -1 : +1);
3569       }
3570     }
3571
3572     if (list == NULL)
3573     {
3574       FadeMenuSoundsAndMusic();
3575
3576       info_mode = INFO_MODE_MAIN;
3577       DrawInfoScreen();
3578
3579       return;
3580     }
3581
3582     FadeMenuSoundsAndMusic();
3583
3584     if (list != music_file_info)
3585       FadeSetNextScreen();
3586
3587     if (button != MB_MENU_INITIALIZE)
3588       FadeOut(REDRAW_FIELD);
3589
3590     ClearField();
3591
3592     DrawInfoScreen_Headline(screen_nr, num_screens, TRUE);
3593
3594     if (list->is_sound)
3595     {
3596       int sound = list->music;
3597
3598       if (IS_LOOP_SOUND(sound))
3599         PlaySoundLoop(sound);
3600       else
3601         PlaySound(sound);
3602     }
3603     else
3604     {
3605       int music = list->music;
3606
3607       if (IS_LOOP_MUSIC(music))
3608         PlayMusicLoop(music);
3609       else
3610         PlayMusic(music);
3611     }
3612
3613     if (!strEqual(list->title, UNKNOWN_NAME))
3614     {
3615       if (!strEqual(list->title_header, UNKNOWN_NAME))
3616         DrawTextSCentered(ystart, font_head, list->title_header);
3617       else
3618         DrawTextSCentered(ystart, font_head, "Track");
3619
3620       ystart += ystep_head;
3621
3622       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3623       ystart += ystep_head;
3624     }
3625
3626     if (!strEqual(list->artist, UNKNOWN_NAME))
3627     {
3628       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3629         DrawTextSCentered(ystart, font_head, list->artist_header);
3630       else
3631         DrawTextSCentered(ystart, font_head, "by");
3632
3633       ystart += ystep_head;
3634
3635       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3636       ystart += ystep_head;
3637     }
3638
3639     if (!strEqual(list->album, UNKNOWN_NAME))
3640     {
3641       if (!strEqual(list->album_header, UNKNOWN_NAME))
3642         DrawTextSCentered(ystart, font_head, list->album_header);
3643       else
3644         DrawTextSCentered(ystart, font_head, "from the album");
3645
3646       ystart += ystep_head;
3647
3648       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3649       ystart += ystep_head;
3650     }
3651
3652     if (!strEqual(list->year, UNKNOWN_NAME))
3653     {
3654       if (!strEqual(list->year_header, UNKNOWN_NAME))
3655         DrawTextSCentered(ystart, font_head, list->year_header);
3656       else
3657         DrawTextSCentered(ystart, font_head, "from the year");
3658
3659       ystart += ystep_head;
3660
3661       DrawTextFCentered(ystart, font_text, "%s", list->year);
3662       ystart += ystep_head;
3663     }
3664
3665     if (!strEqual(list->played, UNKNOWN_NAME))
3666     {
3667       if (!strEqual(list->played_header, UNKNOWN_NAME))
3668         DrawTextSCentered(ystart, font_head, list->played_header);
3669       else
3670         DrawTextSCentered(ystart, font_head, "played in");
3671
3672       ystart += ystep_head;
3673
3674       DrawTextFCentered(ystart, font_text, "%s", list->played);
3675       ystart += ystep_head;
3676     }
3677     else if (!list->is_sound)
3678     {
3679       int music_level_nr = -1;
3680       int i;
3681
3682       // check if this music is configured for a certain level
3683       for (i = leveldir_current->first_level;
3684            i <= leveldir_current->last_level; i++)
3685       {
3686         // (special case: "list->music" may be negative for unconfigured music)
3687         if (levelset.music[i] != MUS_UNDEFINED &&
3688             levelset.music[i] == list->music)
3689         {
3690           music_level_nr = i;
3691
3692           break;
3693         }
3694       }
3695
3696       if (music_level_nr != -1)
3697       {
3698         if (!strEqual(list->played_header, UNKNOWN_NAME))
3699           DrawTextSCentered(ystart, font_head, list->played_header);
3700         else
3701           DrawTextSCentered(ystart, font_head, "played in");
3702
3703         ystart += ystep_head;
3704
3705         DrawTextFCentered(ystart, font_text, "level %03d", music_level_nr);
3706         ystart += ystep_head;
3707       }
3708     }
3709
3710     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3711
3712     if (button != MB_MENU_INITIALIZE)
3713       FadeIn(REDRAW_FIELD);
3714   }
3715
3716   if (list != NULL && list->is_sound && IS_LOOP_SOUND(list->music))
3717     PlaySoundLoop(list->music);
3718 }
3719
3720 static void DrawInfoScreen_Version(void)
3721 {
3722   int font_head = MENU_INFO_FONT_HEAD;
3723   int font_text = MENU_INFO_FONT_TEXT;
3724   int font_foot = MENU_INFO_FONT_FOOT;
3725   int spacing_head = menu.headline2_spacing_info[info_mode];
3726   int spacing_para = menu.paragraph_spacing_info[info_mode];
3727   int spacing_line = menu.line_spacing_info[info_mode];
3728   int xstep = getFontWidth(font_text);
3729   int ystep_head = getMenuTextStep(spacing_head,  font_head);
3730   int ystep_para = getMenuTextStep(spacing_para,  font_text);
3731   int ystep_line = getMenuTextStep(spacing_line,  font_text);
3732   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3733   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3734   int xstart1 = mSX - SX + 2 * xstep;
3735   int xstart2 = mSX - SX + 18 * xstep;
3736   int xstart3 = mSX - SX + 28 * xstep;
3737   SDL_version sdl_version_compiled;
3738   const SDL_version *sdl_version_linked;
3739   int driver_name_len = 10;
3740   SDL_version sdl_version_linked_ext;
3741   const char *driver_name = NULL;
3742
3743   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3744
3745   UnmapAllGadgets();
3746   FadeInfoSoundsAndMusic();
3747
3748   FadeOut(REDRAW_FIELD);
3749
3750   ClearField();
3751
3752   DrawInfoScreen_Headline(0, 1, TRUE);
3753
3754   DrawTextF(xstart1, ystart, font_head, "Name");
3755   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3756   ystart += ystep_line;
3757
3758   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3759   {
3760     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3761     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3762     ystart += ystep_line;
3763
3764     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3765     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3766     ystart += ystep_line;
3767   }
3768   else
3769   {
3770     DrawTextF(xstart1, ystart, font_head, "Version");
3771     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3772     ystart += ystep_line;
3773   }
3774
3775   DrawTextF(xstart1, ystart, font_head, "Platform");
3776   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3777             PLATFORM_STRING,
3778             PLATFORM_XX_BIT_STRING);
3779   ystart += ystep_line;
3780
3781   DrawTextF(xstart1, ystart, font_head, "Target");
3782   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3783   ystart += ystep_line;
3784
3785   DrawTextF(xstart1, ystart, font_head, "Source date");
3786   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3787   ystart += ystep_line;
3788
3789   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3790   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3791   ystart += ystep_para;
3792
3793   DrawTextF(xstart1, ystart, font_head, "Library");
3794   DrawTextF(xstart2, ystart, font_head, "compiled");
3795   DrawTextF(xstart3, ystart, font_head, "linked");
3796   ystart += ystep_head;
3797
3798   SDL_VERSION(&sdl_version_compiled);
3799   SDL_GetVersion(&sdl_version_linked_ext);
3800   sdl_version_linked = &sdl_version_linked_ext;
3801
3802   DrawTextF(xstart1, ystart, font_text, "SDL");
3803   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3804             sdl_version_compiled.major,
3805             sdl_version_compiled.minor,
3806             sdl_version_compiled.patch);
3807   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3808             sdl_version_linked->major,
3809             sdl_version_linked->minor,
3810             sdl_version_linked->patch);
3811   ystart += ystep_line;
3812
3813   SDL_IMAGE_VERSION(&sdl_version_compiled);
3814   sdl_version_linked = IMG_Linked_Version();
3815
3816   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3817   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3818             sdl_version_compiled.major,
3819             sdl_version_compiled.minor,
3820             sdl_version_compiled.patch);
3821   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3822             sdl_version_linked->major,
3823             sdl_version_linked->minor,
3824             sdl_version_linked->patch);
3825   ystart += ystep_line;
3826
3827   SDL_MIXER_VERSION(&sdl_version_compiled);
3828   sdl_version_linked = Mix_Linked_Version();
3829
3830   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3831   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3832             sdl_version_compiled.major,
3833             sdl_version_compiled.minor,
3834             sdl_version_compiled.patch);
3835   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3836             sdl_version_linked->major,
3837             sdl_version_linked->minor,
3838             sdl_version_linked->patch);
3839   ystart += ystep_line;
3840
3841   SDL_NET_VERSION(&sdl_version_compiled);
3842   sdl_version_linked = SDLNet_Linked_Version();
3843
3844   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3845   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3846             sdl_version_compiled.major,
3847             sdl_version_compiled.minor,
3848             sdl_version_compiled.patch);
3849   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3850             sdl_version_linked->major,
3851             sdl_version_linked->minor,
3852             sdl_version_linked->patch);
3853   ystart += ystep_para;
3854
3855   DrawTextF(xstart1, ystart, font_head, "Driver");
3856   DrawTextF(xstart2, ystart, font_head, "Requested");
3857   DrawTextF(xstart3, ystart, font_head, "Used");
3858   ystart += ystep_head;
3859
3860   driver_name =
3861     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3862
3863   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3864   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3865   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3866   ystart += ystep_line;
3867
3868   driver_name =
3869     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3870
3871   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3872   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3873   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3874   ystart += ystep_line;
3875
3876   driver_name =
3877     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3878
3879   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3880   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3881   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3882
3883   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3884
3885   PlayInfoSoundsAndMusic();
3886
3887   FadeIn(REDRAW_FIELD);
3888 }
3889
3890 void HandleInfoScreen_Version(int button)
3891 {
3892   if (button == MB_MENU_LEAVE)
3893   {
3894     PlaySound(SND_MENU_ITEM_SELECTING);
3895
3896     info_mode = INFO_MODE_MAIN;
3897     DrawInfoScreen();
3898
3899     return;
3900   }
3901   else if (button == MB_MENU_CHOICE)
3902   {
3903     PlaySound(SND_MENU_ITEM_SELECTING);
3904
3905     FadeMenuSoundsAndMusic();
3906
3907     info_mode = INFO_MODE_MAIN;
3908     DrawInfoScreen();
3909   }
3910   else
3911   {
3912     PlayMenuSoundIfLoop();
3913   }
3914 }
3915
3916 static char *getInfoScreenTitle_Generic(void)
3917 {
3918   return (info_mode == INFO_MODE_MAIN     ? STR_INFO_MAIN     :
3919           info_mode == INFO_MODE_TITLE    ? STR_INFO_TITLE    :
3920           info_mode == INFO_MODE_ELEMENTS ? STR_INFO_ELEMENTS :
3921           info_mode == INFO_MODE_MUSIC    ? STR_INFO_MUSIC    :
3922           info_mode == INFO_MODE_CREDITS  ? STR_INFO_CREDITS  :
3923           info_mode == INFO_MODE_PROGRAM  ? STR_INFO_PROGRAM  :
3924           info_mode == INFO_MODE_VERSION  ? STR_INFO_VERSION  :
3925           info_mode == INFO_MODE_LEVELSET ? STR_INFO_LEVELSET :
3926           "");
3927 }
3928
3929 static int getInfoScreenBackgroundImage_Generic(void)
3930 {
3931   return (info_mode == INFO_MODE_ELEMENTS ? IMG_BACKGROUND_INFO_ELEMENTS :
3932           info_mode == INFO_MODE_MUSIC    ? IMG_BACKGROUND_INFO_MUSIC    :
3933           info_mode == INFO_MODE_CREDITS  ? IMG_BACKGROUND_INFO_CREDITS  :
3934           info_mode == INFO_MODE_PROGRAM  ? IMG_BACKGROUND_INFO_PROGRAM  :
3935           info_mode == INFO_MODE_VERSION  ? IMG_BACKGROUND_INFO_VERSION  :
3936           info_mode == INFO_MODE_LEVELSET ? IMG_BACKGROUND_INFO_LEVELSET :
3937           IMG_BACKGROUND_INFO);
3938 }
3939
3940 static int getInfoScreenBackgroundSound_Generic(void)
3941 {
3942   return (info_mode == INFO_MODE_ELEMENTS ? SND_BACKGROUND_INFO_ELEMENTS :
3943           info_mode == INFO_MODE_CREDITS  ? SND_BACKGROUND_INFO_CREDITS  :
3944           info_mode == INFO_MODE_PROGRAM  ? SND_BACKGROUND_INFO_PROGRAM  :
3945           info_mode == INFO_MODE_VERSION  ? SND_BACKGROUND_INFO_VERSION  :
3946           info_mode == INFO_MODE_LEVELSET ? SND_BACKGROUND_INFO_LEVELSET :
3947           SND_BACKGROUND_INFO);
3948 }
3949
3950 static int getInfoScreenBackgroundMusic_Generic(void)
3951 {
3952   return (info_mode == INFO_MODE_ELEMENTS ? MUS_BACKGROUND_INFO_ELEMENTS :
3953           info_mode == INFO_MODE_CREDITS  ? MUS_BACKGROUND_INFO_CREDITS  :
3954           info_mode == INFO_MODE_PROGRAM  ? MUS_BACKGROUND_INFO_PROGRAM  :
3955           info_mode == INFO_MODE_VERSION  ? MUS_BACKGROUND_INFO_VERSION  :
3956           info_mode == INFO_MODE_LEVELSET ? MUS_BACKGROUND_INFO_LEVELSET :
3957           MUS_BACKGROUND_INFO);
3958 }
3959
3960 static char *getInfoScreenFilename_Generic(int nr, boolean global)
3961 {
3962   return (info_mode == INFO_MODE_CREDITS  ? getCreditsFilename(nr, global) :
3963           info_mode == INFO_MODE_PROGRAM  ? getProgramInfoFilename(nr)     :
3964           info_mode == INFO_MODE_LEVELSET ? getLevelSetInfoFilename(nr)    :
3965           NULL);
3966 }
3967
3968 static void DrawInfoScreen_GenericScreen(int screen_nr, int num_screens,
3969                                          int use_global_screens)
3970 {
3971   char *filename = getInfoScreenFilename_Generic(screen_nr, use_global_screens);
3972   int font_text = MENU_INFO_FONT_TEXT;
3973   int font_foot = MENU_INFO_FONT_FOOT;
3974   int spacing_line = menu.line_spacing_info[info_mode];
3975   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3976
3977   ClearField();
3978
3979   DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
3980
3981   if (info_mode == INFO_MODE_CREDITS ||
3982       info_mode == INFO_MODE_PROGRAM)
3983   {
3984     int width = SXSIZE;
3985     int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART;
3986     int chars = width / getFontWidth(font_text);
3987     int lines = height / getFontHeight(font_text);
3988     int padx = (width - chars * getFontWidth(font_text)) / 2;
3989     int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3990     int xstart = mSX + padx;
3991     int ystart = mSY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3992     boolean autowrap = FALSE;
3993     boolean centered = TRUE;
3994     boolean parse_comments = TRUE;
3995
3996     DrawTextFile(xstart, ystart,
3997                  filename, font_text, chars, -1, lines, line_spacing, -1,
3998                  autowrap, centered, parse_comments);
3999   }
4000   else if (info_mode == INFO_MODE_LEVELSET)
4001   {
4002     struct TitleMessageInfo *tmi = &readme;
4003
4004     // if x position set to "-1", automatically determine by playfield width
4005     if (tmi->x == -1)
4006       tmi->x = SXSIZE / 2;
4007
4008     // if y position set to "-1", use static default value
4009     if (tmi->y == -1)
4010       tmi->y = MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
4011
4012     // if width set to "-1", automatically determine by playfield width
4013     if (tmi->width == -1)
4014       tmi->width = SXSIZE - 2 * TILEX;
4015
4016     // if height set to "-1", automatically determine by playfield height
4017     if (tmi->height == -1)
4018       tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
4019
4020     // if chars set to "-1", automatically determine by text and font width
4021     if (tmi->chars == -1)
4022       tmi->chars = tmi->width / getFontWidth(tmi->font);
4023     else
4024       tmi->width = tmi->chars * getFontWidth(tmi->font);
4025
4026     // if lines set to "-1", automatically determine by text and font height
4027     if (tmi->lines == -1)
4028       tmi->lines = tmi->height / getFontHeight(tmi->font);
4029     else
4030       tmi->height = tmi->lines * getFontHeight(tmi->font);
4031
4032     DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
4033                  filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
4034                  tmi->autowrap, tmi->centered, tmi->parse_comments);
4035   }
4036
4037   boolean last_screen = (screen_nr == num_screens - 1);
4038   char *text_foot = (last_screen ? TEXT_NEXT_MENU : TEXT_NEXT_PAGE);
4039
4040   DrawTextSCentered(ybottom, font_foot, text_foot);
4041 }
4042
4043 static void DrawInfoScreen_Generic(void)
4044 {
4045   SetMainBackgroundImageIfDefined(getInfoScreenBackgroundImage_Generic());
4046
4047   UnmapAllGadgets();
4048   FadeInfoSoundsAndMusic();
4049
4050   FadeOut(REDRAW_FIELD);
4051
4052   HandleInfoScreen_Generic(0, 0, MB_MENU_INITIALIZE);
4053
4054   PlayInfoSoundsAndMusic();
4055
4056   FadeIn(REDRAW_FIELD);
4057 }
4058
4059 void HandleInfoScreen_Generic(int dx, int dy, int button)
4060 {
4061   static char *text_no_info = "";
4062   static int num_screens = 0;
4063   static int screen_nr = 0;
4064   static boolean use_global_screens = FALSE;
4065
4066   if (button == MB_MENU_INITIALIZE)
4067   {
4068     num_screens = 0;
4069     screen_nr = 0;
4070
4071     if (info_mode == INFO_MODE_CREDITS)
4072     {
4073       int i;
4074
4075       for (i = 0; i < 2; i++)
4076       {
4077         use_global_screens = i;         // check for "FALSE", then "TRUE"
4078
4079         // determine number of (global or level set specific) credits screens
4080         while (getCreditsFilename(num_screens, use_global_screens) != NULL)
4081           num_screens++;
4082
4083         if (num_screens > 0)
4084           break;
4085       }
4086
4087       text_no_info = "No credits available.";
4088     }
4089     else if (info_mode == INFO_MODE_PROGRAM)
4090     {
4091       use_global_screens = TRUE;
4092
4093       // determine number of program info screens
4094       while (getProgramInfoFilename(num_screens) != NULL)
4095         num_screens++;
4096
4097       text_no_info = "No program info available.";
4098     }
4099     else if (info_mode == INFO_MODE_LEVELSET)
4100     {
4101       use_global_screens = FALSE;
4102
4103       // determine number of levelset info screens
4104       while (getLevelSetInfoFilename(num_screens) != NULL)
4105         num_screens++;
4106
4107       text_no_info = "No level set info available.";
4108     }
4109
4110     if (num_screens == 0)
4111     {
4112       int font_title = MENU_INFO_FONT_TITLE;
4113       int font_foot  = MENU_INFO_FONT_FOOT;
4114       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
4115       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
4116
4117       ClearField();
4118
4119       DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
4120
4121       DrawTextSCentered(ystart, font_title, text_no_info);
4122       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
4123
4124       return;
4125     }
4126
4127     DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
4128   }
4129   else if (button == MB_MENU_LEAVE)
4130   {
4131     PlaySound(SND_MENU_ITEM_SELECTING);
4132
4133     info_mode = INFO_MODE_MAIN;
4134     DrawInfoScreen();
4135   }
4136   else if (button == MB_MENU_CHOICE || dx)
4137   {
4138     PlaySound(SND_MENU_ITEM_SELECTING);
4139
4140     screen_nr += (dx < 0 ? -1 : +1);
4141
4142     if (screen_nr < 0 || screen_nr >= num_screens)
4143     {
4144       FadeInfoSoundsAndMusic();
4145
4146       info_mode = INFO_MODE_MAIN;
4147       DrawInfoScreen();
4148     }
4149     else
4150     {
4151       FadeSetNextScreen();
4152
4153       FadeOut(REDRAW_FIELD);
4154
4155       DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
4156
4157       FadeIn(REDRAW_FIELD);
4158     }
4159   }
4160   else
4161   {
4162     PlayInfoSoundIfLoop();
4163   }
4164 }
4165
4166 static void DrawInfoScreen(void)
4167 {
4168   if (info_mode == INFO_MODE_TITLE)
4169     DrawInfoScreen_TitleScreen();
4170   else if (info_mode == INFO_MODE_ELEMENTS)
4171     DrawInfoScreen_Elements();
4172   else if (info_mode == INFO_MODE_MUSIC)
4173     DrawInfoScreen_Music();
4174   else if (info_mode == INFO_MODE_CREDITS)
4175     DrawInfoScreen_Generic();
4176   else if (info_mode == INFO_MODE_PROGRAM)
4177     DrawInfoScreen_Generic();
4178   else if (info_mode == INFO_MODE_VERSION)
4179     DrawInfoScreen_Version();
4180   else if (info_mode == INFO_MODE_LEVELSET)
4181     DrawInfoScreen_Generic();
4182   else
4183     DrawInfoScreen_Main();
4184 }
4185
4186 void DrawInfoScreen_FromMainMenu(int nr)
4187 {
4188   int fade_mask = REDRAW_FIELD;
4189
4190   if (nr < INFO_MODE_MAIN || nr >= MAX_INFO_MODES)
4191     return;
4192
4193   CloseDoor(DOOR_CLOSE_2);
4194
4195   SetGameStatus(GAME_MODE_INFO);
4196
4197   info_mode = nr;
4198   info_screens_from_main = TRUE;
4199
4200   if (redraw_mask & REDRAW_ALL)
4201     fade_mask = REDRAW_ALL;
4202
4203   if (CheckFadeAll())
4204     fade_mask = REDRAW_ALL;
4205
4206   UnmapAllGadgets();
4207   FadeMenuSoundsAndMusic();
4208
4209   FadeSetEnterScreen();
4210
4211   FadeOut(fade_mask);
4212
4213   FadeSkipNextFadeOut();
4214
4215   // needed if different viewport properties defined for info screen
4216   ChangeViewportPropertiesIfNeeded();
4217
4218   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
4219
4220   DrawInfoScreen();
4221 }
4222
4223 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4224 {
4225   if (info_mode == INFO_MODE_TITLE)
4226     HandleInfoScreen_TitleScreen(dx, dy, button);
4227   else if (info_mode == INFO_MODE_ELEMENTS)
4228     HandleInfoScreen_Elements(dx, dy, button);
4229   else if (info_mode == INFO_MODE_MUSIC)
4230     HandleInfoScreen_Music(dx, dy, button);
4231   else if (info_mode == INFO_MODE_CREDITS)
4232     HandleInfoScreen_Generic(dx, dy, button);
4233   else if (info_mode == INFO_MODE_PROGRAM)
4234     HandleInfoScreen_Generic(dx, dy, button);
4235   else if (info_mode == INFO_MODE_VERSION)
4236     HandleInfoScreen_Version(button);
4237   else if (info_mode == INFO_MODE_LEVELSET)
4238     HandleInfoScreen_Generic(dx, dy, button);
4239   else
4240     HandleInfoScreen_Main(mx, my, dx, dy, button);
4241 }
4242
4243
4244 // ============================================================================
4245 // type name functions
4246 // ============================================================================
4247
4248 static TreeInfo *type_name_node = NULL;
4249 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4250 static int type_name_nr = 0;
4251
4252 static int getPlayerNameColor(char *name)
4253 {
4254   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4255 }
4256
4257 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4258                              boolean active)
4259 {
4260   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4261   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4262   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4263   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4264   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4265   int font_width = getFontWidth(font_nr);
4266   int font_xoffset = getFontDrawOffsetX(font_nr);
4267   int font_yoffset = getFontDrawOffsetY(font_nr);
4268   int font_sx = sx + font_xoffset;
4269   int font_sy = sy + font_yoffset;
4270
4271   DrawBackgroundForFont(font_sx, font_sy, pos->width, pos->height, font_nr);
4272
4273   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4274
4275   pos->width = strlen(text) * font_width;
4276   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4277
4278   DrawText(sx, sy, text, font_nr);
4279 }
4280
4281 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4282 {
4283   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4284
4285   *pos = *mci->pos_input;
4286
4287   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4288   {
4289     TreeInfo *ti = player_name_current;
4290     int first_entry = ti->cl_first;
4291     int entry_pos = first_entry + ti->cl_cursor;
4292     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4293     int xpos = MENU_SCREEN_START_XPOS;
4294     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4295
4296     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4297     type_name_nr = entry_pos;
4298
4299     strcpy(name, type_name_node->name);
4300
4301     pos->x = xpos * 32;
4302     pos->y = ypos * 32;
4303     pos->width = MAX_PLAYER_NAME_LEN * 32;
4304   }
4305   else
4306   {
4307     type_name_nr = user.nr;
4308
4309     strcpy(name, setup.player_name);
4310   }
4311
4312   strcpy(type_name_last, name);
4313
4314   if (strEqual(name, EMPTY_PLAYER_NAME))
4315     strcpy(name, "");
4316
4317   *xpos = strlen(name);
4318 }
4319
4320 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4321 {
4322   // change name of edited user in global list of user names
4323   setString(&global.user_names[type_name_nr], name);
4324
4325   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4326   {
4327     TreeInfo *node = type_name_node;
4328
4329     // change name of edited user in local menu tree structure
4330     setString(&node->name, name);
4331     setString(&node->name_sorting, name);
4332
4333     node->color = getPlayerNameColor(name);
4334     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4335   }
4336 }
4337
4338 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4339                               boolean changed)
4340 {
4341   boolean reset_setup = strEqual(name, "");
4342   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4343   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4344
4345   if (!changed)
4346     strcpy(name, type_name_last);
4347
4348   if (strEqual(name, ""))
4349     strcpy(name, EMPTY_PLAYER_NAME);
4350
4351   setTypeNameValues_Name(name, pos);
4352
4353   // if player name not changed, no further action required
4354   if (strEqual(name, type_name_last))
4355     return;
4356
4357   // redraw player name before (possibly) opening request dialogs
4358   drawTypeNameText(name, pos, FALSE);
4359
4360   int last_user_nr = user.nr;
4361
4362   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4363   {
4364     // save setup of currently active user (may differ from edited user)
4365     SaveSetup();
4366
4367     // temporarily change active user to edited user
4368     user.nr = type_name_nr;
4369
4370     if (create_user &&
4371         Request("Use current setup values for the new player?", REQ_ASK))
4372     {
4373       // use current setup values for new user, but create new player UUID
4374       setup.player_uuid = getStringCopy(getUUID());
4375     }
4376     else
4377     {
4378       // load setup for existing user (or start with defaults for new user)
4379       LoadSetup();
4380     }
4381   }
4382
4383   char *setup_filename = getSetupFilename();
4384   boolean setup_exists = fileExists(setup_filename);
4385
4386   // change name of edited user in setup structure
4387   strcpy(setup.player_name, name);
4388
4389   // save setup of edited user
4390   SaveSetup();
4391
4392   // change name of edited user on score server
4393   ApiRenamePlayerAsThread();
4394
4395   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4396   {
4397     if (reset_setup)
4398     {
4399       if (Request("Reset setup values for this player?", REQ_ASK))
4400       {
4401         // remove setup config file
4402         unlink(setup_filename);
4403
4404         // set player name to default player name
4405         LoadSetup();
4406
4407         // update player name used by name typing functions
4408         strcpy(name, setup.player_name);
4409
4410         setTypeNameValues_Name(name, pos);
4411       }
4412     }
4413     else if (remove_user && type_name_nr != 0)
4414     {
4415       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4416       {
4417         char *user_dir = getUserGameDataDir();
4418         char *user_dir_removed =
4419           getStringCat3WithSeparator(user_dir, "REMOVED",
4420                                      getCurrentTimestamp(), ".");
4421
4422         if (rename(user_dir, user_dir_removed) != 0)
4423           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4424
4425         checked_free(user_dir_removed);
4426       }
4427     }
4428     else if (create_user && type_name_nr != 0 && !setup_exists)
4429     {
4430       if (Request("Create empty level set for the new player?", REQ_ASK))
4431       {
4432         char *levelset_subdir = getNewUserLevelSubdir();
4433
4434         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4435         {
4436           AddUserLevelSetToLevelInfo(levelset_subdir);
4437
4438           LevelDirTree *leveldir_current_last = leveldir_current;
4439
4440           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4441                                                        levelset_subdir);
4442
4443           // set level number of newly created level set to default value
4444           LoadLevelSetup_SeriesInfo();
4445
4446           // set newly created level set as current level set for new user
4447           SaveLevelSetup_LastSeries();
4448           SaveLevelSetup_SeriesInfo();
4449
4450           leveldir_current = leveldir_current_last;
4451         }
4452         else
4453         {
4454           Request("Creating new level set failed!", REQ_CONFIRM);
4455         }
4456       }
4457     }
4458
4459     // restore currently active user
4460     user.nr = last_user_nr;
4461
4462     // restore setup of currently active user
4463     LoadSetup();
4464
4465     // restore last level set of currently active user
4466     LoadLevelSetup_LastSeries();
4467     LoadLevelSetup_SeriesInfo();
4468   }
4469 }
4470
4471 static void HandleTypeNameExt(boolean initialize, Key key)
4472 {
4473   static struct TextPosInfo pos_name = { 0 };
4474   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4475   static int xpos = 0;
4476   struct TextPosInfo *pos = &pos_name;
4477   char key_char = getValidConfigValueChar(getCharFromKey(key));
4478   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4479   boolean active = TRUE;
4480
4481   if (initialize)
4482   {
4483     getTypeNameValues(name, pos, &xpos);
4484
4485     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4486     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4487
4488     StartTextInput(sx, sy, pos->width, pos->height);
4489   }
4490   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4491   {
4492     name[xpos] = key_char;
4493     name[xpos + 1] = 0;
4494
4495     xpos++;
4496   }
4497   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4498   {
4499     xpos--;
4500
4501     name[xpos] = 0;
4502   }
4503   else if (key == KSYM_Return || key == KSYM_Escape)
4504   {
4505     boolean changed = (key == KSYM_Return);
4506
4507     StopTextInput();
4508
4509     setTypeNameValues(name, pos, changed);
4510
4511     active = FALSE;
4512   }
4513
4514   drawTypeNameText(name, pos, active);
4515
4516   if (!active)
4517   {
4518     SetGameStatus(game_status_last_screen);
4519
4520     if (game_status == GAME_MODE_MAIN)
4521       InitializeMainControls();
4522   }
4523 }
4524
4525 static void DrawTypeName(void)
4526 {
4527   HandleTypeNameExt(TRUE, 0);
4528 }
4529
4530 void HandleTypeName(Key key)
4531 {
4532   HandleTypeNameExt(FALSE, key);
4533 }
4534
4535
4536 // ============================================================================
4537 // tree menu functions
4538 // ============================================================================
4539
4540 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4541 {
4542   if (game_status != GAME_MODE_SETUP ||
4543       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4544     return 0;
4545
4546   int max_text_size = 0;
4547   TreeInfo *node;
4548
4549   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4550     max_text_size = MAX(max_text_size, strlen(node->name));
4551
4552   int num_entries = numTreeInfoInGroup(ti);
4553   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4554   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4555   int text_width = max_text_size * getFontWidth(font_nr);
4556   int button_width = SC_MENUBUTTON_XSIZE;
4557   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4558   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4559   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4560   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4561   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4562   int align_xoffset = MAX(0, align_xoffset_raw);
4563
4564   return align_xoffset;
4565 }
4566
4567 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4568 {
4569   if (game_status != GAME_MODE_SETUP ||
4570       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4571     return 0;
4572
4573   int num_entries = numTreeInfoInGroup(ti);
4574   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4575   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4576   int font_height = getFontHeight(font_nr);
4577   int text_height = font_height * num_page_entries;
4578   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4579   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4580   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4581   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4582   int align_yoffset = MAX(0, align_yoffset_raw);
4583
4584   return align_yoffset;
4585 }
4586
4587 static void StartPlayingFromHallOfFame(void)
4588 {
4589   level_nr = scores.next_level_nr;
4590   LoadLevel(level_nr);
4591
4592   StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4593 }
4594
4595 static void DrawChooseTree(TreeInfo **ti_ptr)
4596 {
4597   int fade_mask = REDRAW_FIELD;
4598   boolean restart_music = (game_status != game_status_last_screen &&
4599                            game_status_last_screen != GAME_MODE_SCOREINFO);
4600
4601   scores.continue_on_return = (game_status == GAME_MODE_SCORES &&
4602                                game_status_last_screen == GAME_MODE_PLAYING);
4603
4604   if (CheckFadeAll())
4605     fade_mask = REDRAW_ALL;
4606
4607   if (*ti_ptr != NULL && strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4608   {
4609     if (game_status == GAME_MODE_SETUP)
4610     {
4611       execSetupArtwork();
4612     }
4613     else if (game_status == GAME_MODE_SCORES && scores.continue_playing)
4614     {
4615       StartPlayingFromHallOfFame();
4616     }
4617     else
4618     {
4619       SetGameStatus(GAME_MODE_MAIN);
4620
4621       DrawMainMenu();
4622     }
4623
4624     return;
4625   }
4626
4627   UnmapAllGadgets();
4628
4629   FreeScreenGadgets();
4630   CreateScreenGadgets();
4631
4632   if (restart_music)
4633     FadeMenuSoundsAndMusic();
4634
4635   FadeOut(fade_mask);
4636
4637   // needed if different viewport properties defined for this screen
4638   ChangeViewportPropertiesIfNeeded();
4639
4640   if (game_status == GAME_MODE_NAMES)
4641     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4642   else if (game_status == GAME_MODE_LEVELNR)
4643     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4644   else if (game_status == GAME_MODE_LEVELS)
4645     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4646   else if (game_status == GAME_MODE_SCORES)
4647     SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4648
4649   ClearField();
4650
4651   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4652
4653   // map gadgets for high score screen
4654   if (game_status == GAME_MODE_SCORES)
4655     MapScreenMenuGadgets(SCREEN_MASK_SCORES);
4656
4657   MapScreenTreeGadgets(*ti_ptr);
4658
4659   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4660
4661   DrawMaskedBorder(fade_mask);
4662
4663   if (restart_music)
4664     PlayMenuSoundsAndMusic();
4665
4666   FadeIn(fade_mask);
4667 }
4668
4669 static int getChooseTreeFont(TreeInfo *node, boolean active)
4670 {
4671   if (game_status == GAME_MODE_SCORES)
4672     return (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4673   else
4674     return MENU_CHOOSE_TREE_FONT(MENU_CHOOSE_TREE_COLOR(node, active));
4675 }
4676
4677 static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
4678 {
4679   int num_entries = numTreeInfoInGroup(ti);
4680   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4681   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4682   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4683   int first_entry = ti->cl_first;
4684   int entry_pos = first_entry + y;
4685   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4686   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4687   int font_nr = getChooseTreeFont(node, active);
4688   int font_xoffset = getFontDrawOffsetX(font_nr);
4689   int xpos = MENU_SCREEN_START_XPOS;
4690   int ypos = MENU_SCREEN_START_YPOS + y;
4691   int startdx = xpos * 32;
4692   int startdy = ypos * 32;
4693   int startx = amSX + startdx;
4694   int starty = amSY + startdy;
4695   int startx_text = startx + font_xoffset;
4696   int endx_text = amSX + screen_width;
4697   int max_text_size = endx_text - startx_text;
4698   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4699   char buffer[max_buffer_len + 1];
4700
4701   if (game_status == GAME_MODE_SCORES && !node->parent_link)
4702   {
4703     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4704     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4705     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4706     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4707     int font_size_1 = getFontWidth(font_nr1);
4708     int font_size_3 = getFontWidth(font_nr3);
4709     int font_size_4 = getFontWidth(font_nr4);
4710     int text_size_1 = 4 * font_size_1;
4711     int text_size_4 = 5 * font_size_4;
4712     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
4713     int dx1 = 0;
4714     int dx3 = text_size_1;
4715     int dx4 = SXSIZE - 2 * startdx - 2 * border - text_size_4;
4716     int num_dots = (dx4 - dx3) / font_size_3;
4717     int startx1 = startx + dx1;
4718     int startx3 = startx + dx3;
4719     int startx4 = startx + dx4;
4720     int pos = node->pos;
4721     char *pos_text = getHallOfFameRankText(pos, 3);
4722     int i;
4723
4724     // highlight all high score entries of the current player
4725     if (strEqual(scores.entry[pos].name, setup.player_name))
4726       font_nr2 = FONT_TEXT_2_ACTIVE;
4727
4728     DrawText(startx1, starty, pos_text, font_nr1);
4729
4730     for (i = 0; i < num_dots; i++)
4731       DrawText(startx3 + i * font_size_3, starty, ".", font_nr3);
4732
4733     if (!strEqual(scores.entry[pos].name, EMPTY_PLAYER_NAME))
4734       DrawText(startx3, starty, scores.entry[pos].name, font_nr2);
4735
4736     DrawText(startx4, starty, getHallOfFameScoreText(pos, 5), font_nr4);
4737   }
4738   else
4739   {
4740     strncpy(buffer, node->name, max_buffer_len);
4741     buffer[max_buffer_len] = '\0';
4742
4743     DrawText(startx, starty, buffer, font_nr);
4744   }
4745 }
4746
4747 static void drawChooseTreeHeadExt(int type, char *title_string)
4748 {
4749   int yoffset_sets = MENU_TITLE1_YPOS;
4750   int yoffset_setup = 16;
4751   int yoffset = (type == TREE_TYPE_SCORE_ENTRY ||
4752                  type == TREE_TYPE_LEVEL_DIR ||
4753                  type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4754
4755   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4756 }
4757
4758 static void drawChooseTreeHead(TreeInfo *ti)
4759 {
4760   drawChooseTreeHeadExt(ti->type, ti->infotext);
4761 }
4762
4763 static void drawChooseTreeList(TreeInfo *ti)
4764 {
4765   int first_entry = ti->cl_first;
4766   int num_entries = numTreeInfoInGroup(ti);
4767   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4768   int i;
4769
4770   clearMenuListArea();
4771
4772   for (i = 0; i < num_page_entries; i++)
4773   {
4774     TreeInfo *node, *node_first;
4775     int entry_pos = first_entry + i;
4776
4777     node_first = getTreeInfoFirstGroupEntry(ti);
4778     node = getTreeInfoFromPos(node_first, entry_pos);
4779
4780     drawChooseTreeText(ti, i, FALSE);
4781
4782     if (node->parent_link)
4783       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4784     else if (node->level_group)
4785       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4786     else
4787       initCursor(i, IMG_MENU_BUTTON);
4788
4789     if (game_status == GAME_MODE_SCORES && node->pos == scores.last_added)
4790       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4791
4792     if (game_status == GAME_MODE_NAMES)
4793       drawChooseTreeEdit(i, FALSE);
4794   }
4795
4796   redraw_mask |= REDRAW_FIELD;
4797 }
4798
4799 static void drawChooseTreeInfo(TreeInfo *ti)
4800 {
4801   int entry_pos = ti->cl_first + ti->cl_cursor;
4802   int last_redraw_mask = redraw_mask;
4803   int ypos = MENU_TITLE2_YPOS;
4804   int font_nr = FONT_TITLE_2;
4805   int x;
4806
4807   if (ti->type == TREE_TYPE_LEVEL_NR)
4808     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4809
4810   if (ti->type == TREE_TYPE_SCORE_ENTRY)
4811     DrawTextFCentered(ypos, font_nr, "HighScores of Level %d",
4812                       scores.last_level_nr);
4813
4814   if (ti->type != TREE_TYPE_LEVEL_DIR)
4815     return;
4816
4817   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4818   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4819
4820   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4821
4822   if (node->parent_link)
4823     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4824                       node->node_parent->name);
4825   else if (node->level_group)
4826     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4827                       node->name);
4828   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4829     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4830                       node->levels, (node->levels > 1 ? "levels" : "level"),
4831                       node->class_desc);
4832
4833   // let BackToFront() redraw only what is needed
4834   redraw_mask = last_redraw_mask;
4835   for (x = 0; x < SCR_FIELDX; x++)
4836     MarkTileDirty(x, 1);
4837 }
4838
4839 static void drawChooseTreeCursorAndText(TreeInfo *ti, boolean active)
4840 {
4841   drawChooseTreeCursor(ti->cl_cursor, active);
4842   drawChooseTreeText(ti, ti->cl_cursor, active);
4843 }
4844
4845 static void drawChooseTreeScreen(TreeInfo *ti)
4846 {
4847   drawChooseTreeHead(ti);
4848   drawChooseTreeList(ti);
4849   drawChooseTreeInfo(ti);
4850   drawChooseTreeCursorAndText(ti, TRUE);
4851
4852   AdjustChooseTreeScrollbar(ti, SCREEN_CTRL_ID_SCROLL_VERTICAL);
4853
4854   // scroll bar and buttons may just have been added after reloading scores
4855   if (game_status == GAME_MODE_SCORES)
4856     MapScreenTreeGadgets(ti);
4857 }
4858
4859 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
4860 {
4861   int score_pos = scores.last_added;
4862
4863   if (game_status_last_screen == GAME_MODE_SCOREINFO)
4864     score_pos = scores.last_entry_nr;
4865
4866   // set current tree entry to last added score entry
4867   *ti_ptr = getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
4868
4869   // if that fails, set current tree entry to first entry (back link)
4870   if (*ti_ptr == NULL)
4871     *ti_ptr = score_entries->node_group;
4872
4873   int num_entries = numTreeInfoInGroup(*ti_ptr);
4874   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4875   int pos_score = getPosFromTreeInfo(*ti_ptr);
4876   int pos_first_raw = pos_score - (num_page_entries + 1) / 2 + 1;
4877   int pos_first = MIN(MAX(0, pos_first_raw), num_entries - num_page_entries);
4878
4879   (*ti_ptr)->cl_first = pos_first;
4880   (*ti_ptr)->cl_cursor = pos_score - pos_first;
4881
4882   return *ti_ptr;
4883 }
4884
4885 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4886                              TreeInfo **ti_ptr)
4887 {
4888   TreeInfo *ti = *ti_ptr;
4889   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4890   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4891   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4892   int sx1_edit_name = getChooseTreeEditXPosReal(POS_LEFT);
4893   int sx2_edit_name = getChooseTreeEditXPosReal(POS_RIGHT);
4894   int x = 0;
4895   int y = (ti != NULL ? ti->cl_cursor : 0);
4896   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4897   int num_entries = numTreeInfoInGroup(ti);
4898   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4899   boolean position_set_by_scrollbar = (dx == 999);
4900
4901   if (game_status == GAME_MODE_SCORES)
4902   {
4903     if (server_scores.updated)
4904     {
4905       // reload scores, using updated server score cache file
4906       LoadLocalAndServerScore(scores.last_level_nr, FALSE);
4907
4908       server_scores.updated = FALSE;
4909
4910       DrawHallOfFame_setScoreEntries();
4911
4912       ti = setHallOfFameActiveEntry(ti_ptr);
4913
4914       if (button != MB_MENU_INITIALIZE)
4915         drawChooseTreeScreen(ti);
4916     }
4917   }
4918
4919   if (button == MB_MENU_INITIALIZE)
4920   {
4921     int num_entries = numTreeInfoInGroup(ti);
4922     int entry_pos = getPosFromTreeInfo(ti);
4923
4924     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4925     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4926
4927     if (game_status == GAME_MODE_SCORES)
4928     {
4929       ti = setHallOfFameActiveEntry(ti_ptr);
4930     }
4931     else if (ti->cl_first == -1)
4932     {
4933       // only on initialization
4934       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4935       ti->cl_cursor = entry_pos - ti->cl_first;
4936
4937     }
4938     else if (ti->cl_cursor >= num_page_entries ||
4939              (num_entries > num_page_entries &&
4940               num_entries - ti->cl_first < num_page_entries))
4941     {
4942       // only after change of list size (by custom graphic configuration)
4943       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4944       ti->cl_cursor = entry_pos - ti->cl_first;
4945     }
4946
4947     if (position_set_by_scrollbar)
4948       ti->cl_first = dy;
4949
4950     drawChooseTreeScreen(ti);
4951
4952     return;
4953   }
4954   else if (button == MB_MENU_LEAVE)
4955   {
4956     if (game_status != GAME_MODE_SCORES)
4957       FadeSetLeaveMenu();
4958
4959     PlaySound(SND_MENU_ITEM_SELECTING);
4960
4961     if (ti->node_parent)
4962     {
4963       *ti_ptr = ti->node_parent;
4964       DrawChooseTree(ti_ptr);
4965     }
4966     else if (game_status == GAME_MODE_SETUP)
4967     {
4968       if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4969           setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4970           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4971           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4972         execSetupGame();
4973       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4974                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4975                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4976                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4977         execSetupGraphics();
4978       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4979                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4980                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4981         execSetupSound();
4982       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4983                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4984                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4985                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4986                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4987                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4988                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4989                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4990         execSetupTouch();
4991       else
4992         execSetupArtwork();
4993     }
4994     else
4995     {
4996       if (game_status == GAME_MODE_LEVELNR)
4997       {
4998         int new_level_nr = atoi(level_number_current->identifier);
4999
5000         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5001       }
5002
5003       SetGameStatus(GAME_MODE_MAIN);
5004
5005       DrawMainMenu();
5006     }
5007
5008     return;
5009   }
5010
5011 #if defined(PLATFORM_ANDROID)
5012   // directly continue when touching the screen after playing
5013   if ((mx || my) && scores.continue_on_return)
5014   {
5015     // ignore touch events until released
5016     mx = my = 0;
5017   }
5018 #endif
5019
5020   // any mouse click or cursor key stops leaving scores by "Return" key
5021   if ((mx || my || dx || dy) && scores.continue_on_return)
5022   {
5023     scores.continue_on_return = FALSE;
5024     level_nr = scores.last_level_nr;
5025     LoadLevel(level_nr);
5026   }
5027
5028   if (mx || my)         // mouse input
5029   {
5030     x = (mx - amSX) / 32;
5031     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
5032
5033     if (game_status == GAME_MODE_NAMES)
5034       drawChooseTreeEdit(ti->cl_cursor, FALSE);
5035   }
5036   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
5037   {
5038     // move cursor instead of scrolling when already at start/end of list
5039     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
5040       dy = -1;
5041     else if (dy == +1 * SCROLL_LINE &&
5042              ti->cl_first + num_page_entries == num_entries)
5043       dy = 1;
5044
5045     // handle scrolling screen one line or page
5046     if (ti->cl_cursor + dy < 0 ||
5047         ti->cl_cursor + dy > num_page_entries - 1)
5048     {
5049       boolean redraw = FALSE;
5050
5051       if (ABS(dy) == SCROLL_PAGE)
5052         step = num_page_entries - 1;
5053
5054       if (dy < 0 && ti->cl_first > 0)
5055       {
5056         // scroll page/line up
5057
5058         ti->cl_first -= step;
5059         if (ti->cl_first < 0)
5060           ti->cl_first = 0;
5061
5062         redraw = TRUE;
5063       }
5064       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
5065       {
5066         // scroll page/line down
5067
5068         ti->cl_first += step;
5069         if (ti->cl_first + num_page_entries > num_entries)
5070           ti->cl_first = MAX(0, num_entries - num_page_entries);
5071
5072         redraw = TRUE;
5073       }
5074
5075       if (redraw)
5076         drawChooseTreeScreen(ti);
5077
5078       return;
5079     }
5080
5081     // handle moving cursor one line
5082     y = ti->cl_cursor + dy;
5083   }
5084
5085   if (game_status == GAME_MODE_SCORES && ABS(dx) == 1)
5086   {
5087     HandleHallOfFame_SelectLevel(1, dx);
5088
5089     return;
5090   }
5091   else if (dx == 1)
5092   {
5093     TreeInfo *node_first, *node_cursor;
5094     int entry_pos = ti->cl_first + y;
5095
5096     node_first = getTreeInfoFirstGroupEntry(ti);
5097     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
5098
5099     if (node_cursor->node_group)
5100     {
5101       FadeSetEnterMenu();
5102
5103       PlaySound(SND_MENU_ITEM_SELECTING);
5104
5105       node_cursor->cl_first = ti->cl_first;
5106       node_cursor->cl_cursor = ti->cl_cursor;
5107
5108       *ti_ptr = node_cursor->node_group;
5109       DrawChooseTree(ti_ptr);
5110
5111       return;
5112     }
5113   }
5114   else if ((dx == -1 || button == MB_MENU_CONTINUE) && ti->node_parent)
5115   {
5116     if (game_status != GAME_MODE_SCORES)
5117       FadeSetLeaveMenu();
5118
5119     PlaySound(SND_MENU_ITEM_SELECTING);
5120
5121     *ti_ptr = ti->node_parent;
5122     DrawChooseTree(ti_ptr);
5123
5124     return;
5125   }
5126
5127   if (!anyScrollbarGadgetActive() &&
5128       IN_VIS_MENU(x, y) &&
5129       mx < mx_right_border &&
5130       y >= 0 && y < num_page_entries)
5131   {
5132     if (button)
5133     {
5134       if (game_status == GAME_MODE_NAMES)
5135       {
5136         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5137           drawChooseTreeEdit(y, TRUE);
5138       }
5139
5140       if (y != ti->cl_cursor)
5141       {
5142         PlaySound(SND_MENU_ITEM_ACTIVATING);
5143
5144         drawChooseTreeCursorAndText(ti, FALSE);
5145
5146         ti->cl_cursor = y;
5147
5148         drawChooseTreeCursorAndText(ti, TRUE);
5149
5150         drawChooseTreeInfo(ti);
5151       }
5152       else if (dx < 0)
5153       {
5154         if (game_status == GAME_MODE_SETUP)
5155         {
5156           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5157               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5158               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5159               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5160             execSetupGame();
5161           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5162                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5163                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5164                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5165             execSetupGraphics();
5166           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5167                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5168                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5169             execSetupSound();
5170           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5171                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5172                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5173                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5174                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5175                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5176                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5177                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5178             execSetupTouch();
5179           else
5180             execSetupArtwork();
5181         }
5182       }
5183     }
5184     else
5185     {
5186       TreeInfo *node_first, *node_cursor;
5187       int entry_pos = ti->cl_first + y;
5188
5189       PlaySound(SND_MENU_ITEM_SELECTING);
5190
5191       node_first = getTreeInfoFirstGroupEntry(ti);
5192       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
5193
5194       if (node_cursor->node_group)
5195       {
5196         FadeSetEnterMenu();
5197
5198         node_cursor->cl_first = ti->cl_first;
5199         node_cursor->cl_cursor = ti->cl_cursor;
5200
5201         *ti_ptr = node_cursor->node_group;
5202         DrawChooseTree(ti_ptr);
5203       }
5204       else if (node_cursor->parent_link)
5205       {
5206         if (game_status != GAME_MODE_SCORES)
5207           FadeSetLeaveMenu();
5208
5209         *ti_ptr = node_cursor->node_parent;
5210         DrawChooseTree(ti_ptr);
5211       }
5212       else
5213       {
5214         if (game_status != GAME_MODE_SCORES)
5215           FadeSetEnterMenu();
5216
5217         node_cursor->cl_first = ti->cl_first;
5218         node_cursor->cl_cursor = ti->cl_cursor;
5219
5220         *ti_ptr = node_cursor;
5221
5222         if (ti->type == TREE_TYPE_LEVEL_DIR)
5223         {
5224           LoadLevelSetup_SeriesInfo();
5225
5226           SaveLevelSetup_LastSeries();
5227           SaveLevelSetup_SeriesInfo();
5228           TapeErase();
5229         }
5230
5231         if (game_status == GAME_MODE_SETUP)
5232         {
5233           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5234               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5235               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5236               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5237             execSetupGame();
5238           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5239                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5240                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5241                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5242             execSetupGraphics();
5243           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5244                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5245                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5246             execSetupSound();
5247           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5248                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5249                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5250                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5251                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5252                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5253                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5254                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5255             execSetupTouch();
5256           else
5257             execSetupArtwork();
5258         }
5259         else
5260         {
5261           if (game_status == GAME_MODE_LEVELNR)
5262           {
5263             int new_level_nr = atoi(level_number_current->identifier);
5264
5265             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5266           }
5267           else if (game_status == GAME_MODE_LEVELS)
5268           {
5269             // store level set if chosen from "last played level set" menu
5270             StoreLastPlayedLevels(leveldir_current);
5271
5272             // store if level set chosen from "last played level set" menu
5273             SaveLevelSetup_LastSeries();
5274           }
5275           else if (game_status == GAME_MODE_NAMES)
5276           {
5277             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5278             {
5279               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5280
5281               DrawTypeName();
5282
5283               return;
5284             }
5285
5286             // change active user to selected user
5287             user.nr = entry_pos;
5288
5289             // save number of new active user
5290             SaveUserSetup();
5291
5292             // load setup of new active user
5293             LoadSetup();
5294
5295             // load last level set of new active user
5296             LoadLevelSetup_LastSeries();
5297             LoadLevelSetup_SeriesInfo();
5298
5299             // update list of last played level sets
5300             UpdateLastPlayedLevels_TreeInfo();
5301
5302             TapeErase();
5303
5304             ToggleFullscreenIfNeeded();
5305             ChangeWindowScalingIfNeeded();
5306
5307             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5308             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5309             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5310           }
5311           else if (game_status == GAME_MODE_SCORES)
5312           {
5313             if (scores.continue_playing && scores.continue_on_return)
5314             {
5315               StartPlayingFromHallOfFame();
5316
5317               return;
5318             }
5319             else if (!scores.continue_on_return)
5320             {
5321               SetGameStatus(GAME_MODE_SCOREINFO);
5322
5323               DrawScoreInfo(node_cursor->pos);
5324
5325               return;
5326             }
5327           }
5328
5329           SetGameStatus(GAME_MODE_MAIN);
5330
5331           DrawMainMenu();
5332         }
5333       }
5334     }
5335   }
5336
5337   if (game_status == GAME_MODE_SCORES)
5338     PlayMenuSoundIfLoop();
5339 }
5340
5341 void DrawChoosePlayerName(void)
5342 {
5343   int i;
5344
5345   if (player_name != NULL)
5346   {
5347     freeTreeInfo(player_name);
5348
5349     player_name = NULL;
5350   }
5351
5352   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5353   {
5354     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5355     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5356     int value = i;
5357
5358     ti->node_top = &player_name;
5359     ti->sort_priority = 10000 + value;
5360     ti->color = getPlayerNameColor(global.user_names[i]);
5361
5362     snprintf(identifier, sizeof(identifier), "%d", value);
5363     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5364
5365     setString(&ti->identifier, identifier);
5366     setString(&ti->name, name);
5367     setString(&ti->name_sorting, name);
5368
5369     pushTreeInfo(&player_name, ti);
5370   }
5371
5372   // sort player entries by player number
5373   sortTreeInfo(&player_name);
5374
5375   // set current player entry to selected player entry
5376   player_name_current =
5377     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5378
5379   // if that fails, set current player name to first available name
5380   if (player_name_current == NULL)
5381     player_name_current = player_name;
5382
5383   // set text size for main name input (also used on name selection screen)
5384   InitializeMainControls();
5385
5386   DrawChooseTree(&player_name_current);
5387 }
5388
5389 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5390 {
5391   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5392 }
5393
5394 void DrawChooseLevelSet(void)
5395 {
5396   DrawChooseTree(&leveldir_current);
5397 }
5398
5399 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5400 {
5401   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5402 }
5403
5404 void DrawChooseLevelNr(void)
5405 {
5406   int i;
5407
5408   if (level_number != NULL)
5409   {
5410     freeTreeInfo(level_number);
5411
5412     level_number = NULL;
5413   }
5414
5415   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5416   {
5417     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5418     char identifier[32], name[64];
5419     int value = i;
5420
5421     // temporarily load level info to get level name
5422     LoadLevelInfoOnly(i);
5423
5424     ti->node_top = &level_number;
5425     ti->sort_priority = 10000 + value;
5426     ti->color = (level.no_level_file ? FC_BLUE :
5427                  LevelStats_getSolved(i) ? FC_GREEN :
5428                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5429
5430     snprintf(identifier, sizeof(identifier), "%d", value);
5431     snprintf(name, sizeof(name), "%03d: %s", value,
5432              (level.no_level_file ? "(no file)" : level.name));
5433
5434     setString(&ti->identifier, identifier);
5435     setString(&ti->name, name);
5436     setString(&ti->name_sorting, name);
5437
5438     pushTreeInfo(&level_number, ti);
5439   }
5440
5441   // sort level number values to start with lowest level number
5442   sortTreeInfo(&level_number);
5443
5444   // set current level number to current level number
5445   level_number_current =
5446     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5447
5448   // if that also fails, set current level number to first available level
5449   if (level_number_current == NULL)
5450     level_number_current = level_number;
5451
5452   DrawChooseTree(&level_number_current);
5453 }
5454
5455 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5456 {
5457   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5458 }
5459
5460 static void DrawHallOfFame_setScoreEntries(void)
5461 {
5462   int max_empty_entries = 10;   // at least show "top ten" list, if empty
5463   int max_visible_entries = NUM_MENU_ENTRIES_ON_SCREEN - 1;   // w/o back link
5464   int min_score_entries = MIN(max_empty_entries, max_visible_entries);
5465   int score_pos = (scores.last_added >= 0 ? scores.last_added : 0);
5466   int i;
5467
5468   if (score_entries != NULL)
5469   {
5470     freeTreeInfo(score_entries);
5471
5472     score_entries = NULL;
5473   }
5474
5475   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
5476   {
5477     // do not add empty score entries if off-screen
5478     if (scores.entry[i].score == 0 &&
5479         scores.entry[i].time == 0 &&
5480         i >= min_score_entries)
5481       break;
5482
5483     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_SCORE_ENTRY);
5484     char identifier[32], name[64];
5485     int value = i;
5486
5487     ti->node_top = &score_entries;
5488     ti->sort_priority = 10000 + value;
5489     ti->color = FC_YELLOW;
5490     ti->pos = i;
5491
5492     snprintf(identifier, sizeof(identifier), "%d", value);
5493     snprintf(name, sizeof(name), "%03d.", value + 1);
5494
5495     setString(&ti->identifier, identifier);
5496     setString(&ti->name, name);
5497     setString(&ti->name_sorting, name);
5498
5499     pushTreeInfo(&score_entries, ti);
5500   }
5501
5502   // sort score entries to start with highest score entry
5503   sortTreeInfo(&score_entries);
5504
5505   // add top tree node to create back link to main menu
5506   score_entries = addTopTreeInfoNode(score_entries);
5507
5508   // set current score entry to last added or highest score entry
5509   score_entry_current =
5510     getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5511
5512   // if that fails, set current score entry to first valid score entry
5513   if (score_entry_current == NULL)
5514     score_entry_current = getFirstValidTreeInfoEntry(score_entries);
5515
5516   if (score_entries != NULL && scores.continue_playing)
5517     setString(&score_entries->node_group->name, BACKLINK_TEXT_NEXT);
5518 }
5519
5520 void DrawHallOfFame(int nr)
5521 {
5522   scores.last_level_nr = nr;
5523
5524   // (this is needed when called from GameEnd() after winning a game)
5525   KeyboardAutoRepeatOn();
5526
5527   // (this is needed when called from GameEnd() after winning a game)
5528   SetDrawDeactivationMask(REDRAW_NONE);
5529   SetDrawBackgroundMask(REDRAW_FIELD);
5530
5531   LoadLocalAndServerScore(scores.last_level_nr, TRUE);
5532
5533   DrawHallOfFame_setScoreEntries();
5534
5535   if (scores.last_added >= 0)
5536     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5537
5538   FadeSetEnterScreen();
5539
5540   DrawChooseTree(&score_entry_current);
5541 }
5542
5543 static char *getHallOfFameRankText(int nr, int size)
5544 {
5545   static char rank_text[10];
5546   boolean forced = (scores.force_last_added && nr == scores.last_added);
5547   char *rank_text_raw = (forced ? "???" : int2str(nr + 1, size));
5548
5549   sprintf(rank_text, "%s%s", rank_text_raw, (size > 0 || !forced ? "." : ""));
5550
5551   return rank_text;
5552 }
5553
5554 static char *getHallOfFameTimeText(int nr)
5555 {
5556   static char score_text[10];
5557   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5558   int mm = (time_seconds / 60) % 60;
5559   int ss = (time_seconds % 60);
5560
5561   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5562
5563   return score_text;
5564 }
5565
5566 static char *getHallOfFameScoreText(int nr, int size)
5567 {
5568   if (!level.rate_time_over_score)
5569     return int2str(scores.entry[nr].score, size);       // show normal score
5570   else if (level.use_step_counter)
5571     return int2str(scores.entry[nr].time, size);        // show number of steps
5572   else
5573     return getHallOfFameTimeText(nr);                   // show playing time
5574 }
5575
5576 static char *getHallOfFameTapeDateText(struct ScoreEntry *entry)
5577 {
5578   static char tape_date[MAX_ISO_DATE_LEN + 1];
5579   int i, j;
5580
5581   if (!strEqual(entry->tape_date, UNKNOWN_NAME) ||
5582       strEqual(entry->tape_basename, UNDEFINED_FILENAME))
5583     return entry->tape_date;
5584
5585   for (i = 0, j = 0; i < 8; i++, j++)
5586   {
5587     tape_date[j] = entry->tape_basename[i];
5588
5589     if (i == 3 || i == 5)
5590       tape_date[++j] = '-';
5591   }
5592
5593   tape_date[MAX_ISO_DATE_LEN] = '\0';
5594
5595   return tape_date;
5596 }
5597
5598 static void HandleHallOfFame_SelectLevel(int step, int direction)
5599 {
5600   int old_level_nr = scores.last_level_nr;
5601   int new_level_nr = old_level_nr + step * direction;
5602
5603   if (new_level_nr < leveldir_current->first_level)
5604     new_level_nr = leveldir_current->first_level;
5605   if (new_level_nr > leveldir_current->last_level)
5606     new_level_nr = leveldir_current->last_level;
5607
5608   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
5609     new_level_nr = leveldir_current->handicap_level;
5610
5611   if (new_level_nr != old_level_nr)
5612   {
5613     PlaySound(SND_MENU_ITEM_SELECTING);
5614
5615     scores.last_level_nr = level_nr = new_level_nr;
5616     scores.last_entry_nr = 0;
5617
5618     LoadLevel(level_nr);
5619     LoadLocalAndServerScore(level_nr, TRUE);
5620
5621     DrawHallOfFame_setScoreEntries();
5622
5623     if (game_status == GAME_MODE_SCORES)
5624     {
5625       // force remapping optional gadgets (especially scroll bar)
5626       UnmapScreenTreeGadgets();
5627
5628       // redraw complete high score screen, as sub-title has changed
5629       ClearField();
5630
5631       // redraw level selection buttons (which have just been erased)
5632       RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5633
5634       HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, &score_entry_current);
5635     }
5636     else
5637     {
5638       DrawScoreInfo_Content(scores.last_entry_nr);
5639     }
5640
5641     SaveLevelSetup_SeriesInfo();
5642   }
5643 }
5644
5645 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5646 {
5647   HandleChooseTree(mx, my, dx, dy, button, &score_entry_current);
5648 }
5649
5650 static void DrawScoreInfo_Content(int entry_nr)
5651 {
5652   struct ScoreEntry *entry = &scores.entry[entry_nr];
5653   char *pos_text = getHallOfFameRankText(entry_nr, 0);
5654   char *tape_date = getHallOfFameTapeDateText(entry);
5655   int font_head = MENU_INFO_FONT_HEAD;
5656   int font_text = MENU_INFO_FONT_TEXT;
5657   int font_foot = MENU_INFO_FONT_FOOT;
5658   int spacing_para = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
5659   int spacing_line = menu.line_spacing[GAME_MODE_SCOREINFO];
5660   int spacing_left = menu.left_spacing[GAME_MODE_SCOREINFO];
5661   int spacing_top  = menu.top_spacing[GAME_MODE_SCOREINFO];
5662   int xstep = getFontWidth(font_text);
5663   int ystep_para = getMenuTextStep(spacing_para,  font_text);
5664   int ystep_line = getMenuTextStep(spacing_line,  font_text);
5665   int xstart  = mSX - SX + spacing_left;
5666   int ystart  = mSY - SY + spacing_top + getHeadlineSpacing();
5667   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
5668   int xstart1 = xstart + xstep;
5669   int xstart2 = xstart + xstep * 12;
5670   int select_x = SX + xstart1;
5671   int select_y1, select_y2;
5672   int play_x, play_y;
5673   int play_height = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]->height;
5674   boolean play_visible = !strEqual(tape_date, UNKNOWN_NAME);
5675   int font_width = getFontWidth(font_text);
5676   int font_height = getFontHeight(font_text);
5677   int tape_date_width = getTextWidth(tape_date, font_text);
5678   int pad_left = xstart2;
5679   int pad_right = menu.right_spacing[GAME_MODE_SCOREINFO];
5680   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
5681   int max_lines_per_text = 5;
5682   int lines;
5683
5684   ClearField();
5685
5686   // redraw level selection buttons (which have just been erased)
5687   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5688
5689   drawChooseTreeHead(score_entries);
5690   drawChooseTreeInfo(score_entries);
5691
5692   DrawTextF(xstart1, ystart, font_head, "Level Set");
5693   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
5694                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5695                           TRUE, FALSE, FALSE);
5696   ystart += ystep_line + (lines > 0 ? lines - 1 : 0) * font_height;
5697
5698   DrawTextF(xstart1, ystart, font_head, "Level");
5699   lines = DrawTextBufferS(xstart2, ystart, level.name, font_text,
5700                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5701                           TRUE, FALSE, FALSE);
5702   ystart += ystep_para + (lines > 0 ? lines - 1 : 0) * font_height;
5703
5704   select_y1 = SY + ystart;
5705   ystart += graphic_info[IMG_MENU_BUTTON_PREV_SCORE].height;
5706
5707   DrawTextF(xstart1, ystart, font_head, "Rank");
5708   DrawTextF(xstart2, ystart, font_text, pos_text);
5709   ystart += ystep_line;
5710
5711   DrawTextF(xstart1, ystart, font_head, "Player");
5712   DrawTextF(xstart2, ystart, font_text, entry->name);
5713   ystart += ystep_line;
5714
5715   if (level.use_step_counter)
5716   {
5717     DrawTextF(xstart1, ystart, font_head, "Steps");
5718     DrawTextF(xstart2, ystart, font_text, int2str(entry->time, 5));
5719     ystart += ystep_line;
5720   }
5721   else
5722   {
5723     DrawTextF(xstart1, ystart, font_head, "Time");
5724     DrawTextF(xstart2, ystart, font_text, getHallOfFameTimeText(entry_nr));
5725     ystart += ystep_line;
5726   }
5727
5728   if (!level.rate_time_over_score || entry->score > 0)
5729   {
5730     DrawTextF(xstart1, ystart, font_head, "Score");
5731     DrawTextF(xstart2, ystart, font_text, int2str(entry->score, 5));
5732     ystart += ystep_line;
5733   }
5734
5735   ystart += ystep_line;
5736
5737   play_x = SX + xstart2 + tape_date_width + font_width;
5738   play_y = SY + ystart + (font_height - play_height) / 2;
5739
5740   DrawTextF(xstart1, ystart, font_head, "Tape Date");
5741   DrawTextF(xstart2, ystart, font_text, tape_date);
5742   ystart += ystep_line;
5743
5744   DrawTextF(xstart1, ystart, font_head, "Platform");
5745   DrawTextF(xstart2, ystart, font_text, entry->platform);
5746   ystart += ystep_line;
5747
5748   DrawTextF(xstart1, ystart, font_head, "Version");
5749   DrawTextF(xstart2, ystart, font_text, entry->version);
5750   ystart += ystep_line;
5751
5752   DrawTextF(xstart1, ystart, font_head, "Country");
5753   lines = DrawTextBufferS(xstart2, ystart, entry->country_name, font_text,
5754                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5755                           TRUE, FALSE, FALSE);
5756   ystart += ystep_line;
5757
5758   select_y2 = SY + ystart;
5759
5760   DrawTextSCentered(ybottom, font_foot, "Press any key or button to go back");
5761
5762   AdjustScoreInfoButtons_SelectScore(select_x, select_y1, select_y2);
5763   AdjustScoreInfoButtons_PlayTape(play_x, play_y, play_visible);
5764 }
5765
5766 static void DrawScoreInfo(int entry_nr)
5767 {
5768   scores.last_entry_nr = entry_nr;
5769   score_info_tape_play = FALSE;
5770
5771   UnmapAllGadgets();
5772
5773   FreeScreenGadgets();
5774   CreateScreenGadgets();
5775
5776   FadeOut(REDRAW_FIELD);
5777
5778   // needed if different viewport properties defined after playing score tape
5779   ChangeViewportPropertiesIfNeeded();
5780
5781   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
5782   SetDrawDeactivationMask(REDRAW_NONE);
5783   SetDrawBackgroundMask(REDRAW_FIELD);
5784
5785   // needed if different background image defined after playing score tape
5786   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5787   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_SCOREINFO);
5788
5789   // special compatibility handling for "Snake Bite" graphics set
5790   if (strPrefix(leveldir_current->identifier, "snake_bite"))
5791     ClearRectangle(gfx.background_bitmap, gfx.real_sx, gfx.real_sy + 64,
5792                    gfx.full_sxsize, gfx.full_sysize - 64);
5793
5794   DrawScoreInfo_Content(entry_nr);
5795
5796   // map gadgets for score info screen
5797   MapScreenMenuGadgets(SCREEN_MASK_SCORES_INFO);
5798
5799   FadeIn(REDRAW_FIELD);
5800 }
5801
5802 static void HandleScoreInfo_SelectScore(int step, int direction)
5803 {
5804   int old_entry_nr = scores.last_entry_nr;
5805   int new_entry_nr = old_entry_nr + step * direction;
5806   int num_nodes = numTreeInfoInGroup(score_entry_current);
5807   int num_entries = num_nodes - 1;      // score nodes only, without back link
5808
5809   if (new_entry_nr < 0)
5810     new_entry_nr = 0;
5811   if (new_entry_nr > num_entries - 1)
5812     new_entry_nr = num_entries - 1;
5813
5814   if (new_entry_nr != old_entry_nr)
5815   {
5816     scores.last_entry_nr = new_entry_nr;
5817
5818     DrawScoreInfo_Content(new_entry_nr);
5819   }
5820 }
5821
5822 static void HandleScoreInfo_PlayTape(void)
5823 {
5824   if (!PlayScoreTape(scores.last_entry_nr))
5825   {
5826     DrawScoreInfo_Content(scores.last_entry_nr);
5827
5828     FadeIn(REDRAW_FIELD);
5829   }
5830 }
5831
5832 void HandleScoreInfo(int mx, int my, int dx, int dy, int button)
5833 {
5834   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
5835   boolean button_is_valid = (mx >= 0 && my >= 0);
5836   boolean button_screen_clicked = (button_action && button_is_valid);
5837
5838   if (server_scores.updated)
5839   {
5840     // reload scores, using updated server score cache file
5841     LoadLocalAndServerScore(scores.last_level_nr, FALSE);
5842
5843     server_scores.updated = FALSE;
5844
5845     DrawHallOfFame_setScoreEntries();
5846
5847     DrawScoreInfo_Content(scores.last_entry_nr);
5848   }
5849
5850   if (button_screen_clicked)
5851   {
5852     PlaySound(SND_MENU_ITEM_SELECTING);
5853
5854     SetGameStatus(GAME_MODE_SCORES);
5855
5856     DrawHallOfFame(scores.last_level_nr);
5857   }
5858   else if (dx)
5859   {
5860     HandleHallOfFame_SelectLevel(1, SIGN(dx) * (ABS(dx) > 1 ? 10 : 1));
5861   }
5862   else if (dy)
5863   {
5864     HandleScoreInfo_SelectScore(1, SIGN(dy) * (ABS(dy) > 1 ? 10 : 1));
5865   }
5866 }
5867
5868
5869 // ============================================================================
5870 // setup screen functions
5871 // ============================================================================
5872
5873 static struct TokenInfo *setup_info;
5874 static int num_setup_info;      // number of setup entries shown on screen
5875 static int max_setup_info;      // total number of setup entries in list
5876
5877 static char *window_size_text;
5878 static char *scaling_type_text;
5879 static char *rendering_mode_text;
5880 static char *vsync_mode_text;
5881 static char *scroll_delay_text;
5882 static char *snapshot_mode_text;
5883 static char *game_speed_text;
5884 static char *scores_type_text;
5885 static char *network_server_text;
5886 static char *graphics_set_name;
5887 static char *sounds_set_name;
5888 static char *music_set_name;
5889 static char *volume_simple_text;
5890 static char *volume_loops_text;
5891 static char *volume_music_text;
5892 static char *touch_controls_text;
5893 static char *move_distance_text;
5894 static char *drop_distance_text;
5895 static char *transparency_text;
5896 static char *grid_size_text[2][2];
5897
5898 static void execSetupMain(void)
5899 {
5900   setup_mode = SETUP_MODE_MAIN;
5901
5902   DrawSetupScreen();
5903 }
5904
5905 static void execSetupGame_setScoresType(void)
5906 {
5907   if (scores_types == NULL)
5908   {
5909     int i;
5910
5911     for (i = 0; scores_types_list[i].value != NULL; i++)
5912     {
5913       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5914       char identifier[32], name[32];
5915       char *value = scores_types_list[i].value;
5916       char *text = scores_types_list[i].text;
5917
5918       ti->node_top = &scores_types;
5919       ti->sort_priority = i;
5920
5921       sprintf(identifier, "%s", value);
5922       sprintf(name, "%s", text);
5923
5924       setString(&ti->identifier, identifier);
5925       setString(&ti->name, name);
5926       setString(&ti->name_sorting, name);
5927       setString(&ti->infotext, STR_SETUP_CHOOSE_SCORES_TYPE);
5928
5929       pushTreeInfo(&scores_types, ti);
5930     }
5931
5932     // sort scores type values to start with lowest scores type value
5933     sortTreeInfo(&scores_types);
5934
5935     // set current scores type value to configured scores type value
5936     scores_type_current =
5937       getTreeInfoFromIdentifier(scores_types, setup.scores_in_highscore_list);
5938
5939     // if that fails, set current scores type to reliable default value
5940     if (scores_type_current == NULL)
5941       scores_type_current =
5942         getTreeInfoFromIdentifier(scores_types, STR_SCORES_TYPE_DEFAULT);
5943
5944     // if that also fails, set current scores type to first available value
5945     if (scores_type_current == NULL)
5946       scores_type_current = scores_types;
5947   }
5948
5949   setup.scores_in_highscore_list = scores_type_current->identifier;
5950
5951   // needed for displaying scores type text instead of identifier
5952   scores_type_text = scores_type_current->name;
5953 }
5954
5955 static void execSetupGame_setGameSpeeds(boolean update_value)
5956 {
5957   if (setup.game_speed_extended)
5958   {
5959     game_speeds_list = game_speeds_list_extended;
5960     game_speeds      = game_speeds_extended;
5961   }
5962   else
5963   {
5964     game_speeds_list = game_speeds_list_normal;
5965     game_speeds      = game_speeds_normal;
5966   }
5967
5968   if (game_speeds == NULL)
5969   {
5970     int i;
5971
5972     for (i = 0; game_speeds_list[i].value != -1; i++)
5973     {
5974       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5975       char identifier[32], name[32];
5976       int value = game_speeds_list[i].value;
5977       char *text = game_speeds_list[i].text;
5978
5979       ti->node_top = &game_speeds;
5980       ti->sort_priority = 10000 - value;
5981
5982       sprintf(identifier, "%d", value);
5983       sprintf(name, "%s", text);
5984
5985       setString(&ti->identifier, identifier);
5986       setString(&ti->name, name);
5987       setString(&ti->name_sorting, name);
5988       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5989
5990       pushTreeInfo(&game_speeds, ti);
5991     }
5992
5993     // sort game speed values to start with slowest game speed
5994     sortTreeInfo(&game_speeds);
5995
5996     update_value = TRUE;
5997   }
5998
5999   if (update_value)
6000   {
6001     // set current game speed to configured game speed value
6002     game_speed_current =
6003       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
6004
6005     // if that fails, set current game speed to reliable default value
6006     if (game_speed_current == NULL)
6007       game_speed_current =
6008         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
6009
6010     // if that also fails, set current game speed to first available speed
6011     if (game_speed_current == NULL)
6012       game_speed_current = game_speeds;
6013
6014     if (setup.game_speed_extended)
6015       game_speeds_extended = game_speeds;
6016     else
6017       game_speeds_normal = game_speeds;
6018   }
6019
6020   setup.game_frame_delay = atoi(game_speed_current->identifier);
6021
6022   // needed for displaying game speed text instead of identifier
6023   game_speed_text = game_speed_current->name;
6024 }
6025
6026 static void execSetupGame_setScrollDelays(void)
6027 {
6028   if (scroll_delays == NULL)
6029   {
6030     int i;
6031
6032     for (i = 0; scroll_delays_list[i].value != -1; i++)
6033     {
6034       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6035       char identifier[32], name[32];
6036       int value = scroll_delays_list[i].value;
6037       char *text = scroll_delays_list[i].text;
6038
6039       ti->node_top = &scroll_delays;
6040       ti->sort_priority = value;
6041
6042       sprintf(identifier, "%d", value);
6043       sprintf(name, "%s", text);
6044
6045       setString(&ti->identifier, identifier);
6046       setString(&ti->name, name);
6047       setString(&ti->name_sorting, name);
6048       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
6049
6050       pushTreeInfo(&scroll_delays, ti);
6051     }
6052
6053     // sort scroll delay values to start with lowest scroll delay value
6054     sortTreeInfo(&scroll_delays);
6055
6056     // set current scroll delay value to configured scroll delay value
6057     scroll_delay_current =
6058       getTreeInfoFromIdentifier(scroll_delays, i_to_a(setup.scroll_delay_value));
6059
6060     // if that fails, set current scroll delay to reliable default value
6061     if (scroll_delay_current == NULL)
6062       scroll_delay_current =
6063         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
6064
6065     // if that also fails, set current scroll delay to first available value
6066     if (scroll_delay_current == NULL)
6067       scroll_delay_current = scroll_delays;
6068   }
6069
6070   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
6071
6072   // needed for displaying scroll delay text instead of identifier
6073   scroll_delay_text = scroll_delay_current->name;
6074 }
6075
6076 static void execSetupGame_setSnapshotModes(void)
6077 {
6078   if (snapshot_modes == NULL)
6079   {
6080     int i;
6081
6082     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
6083     {
6084       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6085       char identifier[32], name[32];
6086       char *value = snapshot_modes_list[i].value;
6087       char *text = snapshot_modes_list[i].text;
6088
6089       ti->node_top = &snapshot_modes;
6090       ti->sort_priority = i;
6091
6092       sprintf(identifier, "%s", value);
6093       sprintf(name, "%s", text);
6094
6095       setString(&ti->identifier, identifier);
6096       setString(&ti->name, name);
6097       setString(&ti->name_sorting, name);
6098       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
6099
6100       pushTreeInfo(&snapshot_modes, ti);
6101     }
6102
6103     // sort snapshot mode values to start with lowest snapshot mode value
6104     sortTreeInfo(&snapshot_modes);
6105
6106     // set current snapshot mode value to configured snapshot mode value
6107     snapshot_mode_current =
6108       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
6109
6110     // if that fails, set current snapshot mode to reliable default value
6111     if (snapshot_mode_current == NULL)
6112       snapshot_mode_current =
6113         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
6114
6115     // if that also fails, set current snapshot mode to first available value
6116     if (snapshot_mode_current == NULL)
6117       snapshot_mode_current = snapshot_modes;
6118   }
6119
6120   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
6121
6122   // needed for displaying snapshot mode text instead of identifier
6123   snapshot_mode_text = snapshot_mode_current->name;
6124 }
6125
6126 static void execSetupGame_setNetworkServerText(void)
6127 {
6128   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6129   {
6130     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
6131   }
6132   else
6133   {
6134     strncpy(network_server_hostname, setup.network_server_hostname,
6135             MAX_SETUP_TEXT_INPUT_LEN);
6136     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
6137   }
6138
6139   // needed for displaying network server text instead of identifier
6140   network_server_text = network_server_hostname;
6141 }
6142
6143 static void execSetupGame(void)
6144 {
6145   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
6146
6147   execSetupGame_setGameSpeeds(FALSE);
6148   execSetupGame_setScoresType();
6149   execSetupGame_setScrollDelays();
6150   execSetupGame_setSnapshotModes();
6151
6152   execSetupGame_setNetworkServerText();
6153
6154   if (!setup.provide_uploading_tapes)
6155     setHideSetupEntry(execOfferUploadTapes);
6156
6157   setup_mode = SETUP_MODE_GAME;
6158
6159   DrawSetupScreen();
6160
6161   // check if vsync needs to be disabled for this game speed to work
6162   if (check_vsync_mode)
6163     DisableVsyncIfNeeded();
6164 }
6165
6166 static void execSetupChooseScoresType(void)
6167 {
6168   setup_mode = SETUP_MODE_CHOOSE_SCORES_TYPE;
6169
6170   DrawSetupScreen();
6171 }
6172
6173 static void execSetupChooseGameSpeed(void)
6174 {
6175   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
6176
6177   DrawSetupScreen();
6178 }
6179
6180 static void execSetupChooseScrollDelay(void)
6181 {
6182   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
6183
6184   DrawSetupScreen();
6185 }
6186
6187 static void execSetupChooseSnapshotMode(void)
6188 {
6189   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
6190
6191   DrawSetupScreen();
6192 }
6193
6194 static void execSetupEngines(void)
6195 {
6196   setup_mode = SETUP_MODE_ENGINES;
6197
6198   DrawSetupScreen();
6199 }
6200
6201 static void execSetupEditor(void)
6202 {
6203   setup_mode = SETUP_MODE_EDITOR;
6204
6205   DrawSetupScreen();
6206 }
6207
6208 static void execSetupGraphics_setWindowSizes(boolean update_list)
6209 {
6210   if (window_sizes != NULL && update_list)
6211   {
6212     freeTreeInfo(window_sizes);
6213
6214     window_sizes = NULL;
6215   }
6216
6217   if (window_sizes == NULL)
6218   {
6219     boolean current_window_size_found = FALSE;
6220     int i;
6221
6222     for (i = 0; window_sizes_list[i].value != -1; i++)
6223     {
6224       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6225       char identifier[32], name[32];
6226       int value = window_sizes_list[i].value;
6227       char *text = window_sizes_list[i].text;
6228
6229       ti->node_top = &window_sizes;
6230       ti->sort_priority = value;
6231
6232       sprintf(identifier, "%d", value);
6233       sprintf(name, "%s", text);
6234
6235       setString(&ti->identifier, identifier);
6236       setString(&ti->name, name);
6237       setString(&ti->name_sorting, name);
6238       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6239
6240       pushTreeInfo(&window_sizes, ti);
6241
6242       if (value == setup.window_scaling_percent)
6243         current_window_size_found = TRUE;
6244     }
6245
6246     if (!current_window_size_found)
6247     {
6248       // add entry for non-preset window scaling value
6249
6250       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6251       char identifier[32], name[32];
6252       int value = setup.window_scaling_percent;
6253
6254       ti->node_top = &window_sizes;
6255       ti->sort_priority = value;
6256
6257       sprintf(identifier, "%d", value);
6258       sprintf(name, "%d %% (Current)", value);
6259
6260       setString(&ti->identifier, identifier);
6261       setString(&ti->name, name);
6262       setString(&ti->name_sorting, name);
6263       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6264
6265       pushTreeInfo(&window_sizes, ti);
6266     }
6267
6268     // sort window size values to start with lowest window size value
6269     sortTreeInfo(&window_sizes);
6270
6271     // set current window size value to configured window size value
6272     window_size_current =
6273       getTreeInfoFromIdentifier(window_sizes,
6274                                 i_to_a(setup.window_scaling_percent));
6275
6276     // if that fails, set current window size to reliable default value
6277     if (window_size_current == NULL)
6278       window_size_current =
6279         getTreeInfoFromIdentifier(window_sizes,
6280                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
6281
6282     // if that also fails, set current window size to first available value
6283     if (window_size_current == NULL)
6284       window_size_current = window_sizes;
6285   }
6286
6287   setup.window_scaling_percent = atoi(window_size_current->identifier);
6288
6289   // needed for displaying window size text instead of identifier
6290   window_size_text = window_size_current->name;
6291 }
6292
6293 static void execSetupGraphics_setScalingTypes(void)
6294 {
6295   if (scaling_types == NULL)
6296   {
6297     int i;
6298
6299     for (i = 0; scaling_types_list[i].value != NULL; i++)
6300     {
6301       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6302       char identifier[32], name[32];
6303       char *value = scaling_types_list[i].value;
6304       char *text = scaling_types_list[i].text;
6305
6306       ti->node_top = &scaling_types;
6307       ti->sort_priority = i;
6308
6309       sprintf(identifier, "%s", value);
6310       sprintf(name, "%s", text);
6311
6312       setString(&ti->identifier, identifier);
6313       setString(&ti->name, name);
6314       setString(&ti->name_sorting, name);
6315       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
6316
6317       pushTreeInfo(&scaling_types, ti);
6318     }
6319
6320     // sort scaling type values to start with lowest scaling type value
6321     sortTreeInfo(&scaling_types);
6322
6323     // set current scaling type value to configured scaling type value
6324     scaling_type_current =
6325       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
6326
6327     // if that fails, set current scaling type to reliable default value
6328     if (scaling_type_current == NULL)
6329       scaling_type_current =
6330         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
6331
6332     // if that also fails, set current scaling type to first available value
6333     if (scaling_type_current == NULL)
6334       scaling_type_current = scaling_types;
6335   }
6336
6337   setup.window_scaling_quality = scaling_type_current->identifier;
6338
6339   // needed for displaying scaling type text instead of identifier
6340   scaling_type_text = scaling_type_current->name;
6341 }
6342
6343 static void execSetupGraphics_setRenderingModes(void)
6344 {
6345   if (rendering_modes == NULL)
6346   {
6347     int i;
6348
6349     for (i = 0; rendering_modes_list[i].value != NULL; i++)
6350     {
6351       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6352       char identifier[32], name[32];
6353       char *value = rendering_modes_list[i].value;
6354       char *text = rendering_modes_list[i].text;
6355
6356       ti->node_top = &rendering_modes;
6357       ti->sort_priority = i;
6358
6359       sprintf(identifier, "%s", value);
6360       sprintf(name, "%s", text);
6361
6362       setString(&ti->identifier, identifier);
6363       setString(&ti->name, name);
6364       setString(&ti->name_sorting, name);
6365       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
6366
6367       pushTreeInfo(&rendering_modes, ti);
6368     }
6369
6370     // sort rendering mode values to start with lowest rendering mode value
6371     sortTreeInfo(&rendering_modes);
6372
6373     // set current rendering mode value to configured rendering mode value
6374     rendering_mode_current =
6375       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
6376
6377     // if that fails, set current rendering mode to reliable default value
6378     if (rendering_mode_current == NULL)
6379       rendering_mode_current =
6380         getTreeInfoFromIdentifier(rendering_modes,
6381                                   STR_SPECIAL_RENDERING_DEFAULT);
6382
6383     // if that also fails, set current rendering mode to first available one
6384     if (rendering_mode_current == NULL)
6385       rendering_mode_current = rendering_modes;
6386   }
6387
6388   setup.screen_rendering_mode = rendering_mode_current->identifier;
6389
6390   // needed for displaying rendering mode text instead of identifier
6391   rendering_mode_text = rendering_mode_current->name;
6392 }
6393
6394 static void execSetupGraphics_setVsyncModes(boolean update_value)
6395 {
6396   if (vsync_modes == NULL)
6397   {
6398     int i;
6399
6400     for (i = 0; vsync_modes_list[i].value != NULL; i++)
6401     {
6402       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6403       char identifier[32], name[32];
6404       char *value = vsync_modes_list[i].value;
6405       char *text = vsync_modes_list[i].text;
6406
6407       ti->node_top = &vsync_modes;
6408       ti->sort_priority = i;
6409
6410       sprintf(identifier, "%s", value);
6411       sprintf(name, "%s", text);
6412
6413       setString(&ti->identifier, identifier);
6414       setString(&ti->name, name);
6415       setString(&ti->name_sorting, name);
6416       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
6417
6418       pushTreeInfo(&vsync_modes, ti);
6419     }
6420
6421     // sort vsync mode values to start with lowest vsync mode value
6422     sortTreeInfo(&vsync_modes);
6423
6424     update_value = TRUE;
6425   }
6426
6427   if (update_value)
6428   {
6429     // set current vsync mode value to configured vsync mode value
6430     vsync_mode_current =
6431       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
6432
6433     // if that fails, set current vsync mode to reliable default value
6434     if (vsync_mode_current == NULL)
6435       vsync_mode_current =
6436         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
6437
6438     // if that also fails, set current vsync mode to first available one
6439     if (vsync_mode_current == NULL)
6440       vsync_mode_current = vsync_modes;
6441   }
6442
6443   setup.vsync_mode = vsync_mode_current->identifier;
6444
6445   // needed for displaying vsync mode text instead of identifier
6446   vsync_mode_text = vsync_mode_current->name;
6447 }
6448
6449 static void execSetupGraphics(void)
6450 {
6451   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
6452
6453   // update "setup.window_scaling_percent" from list selection
6454   // (in this case, window scaling was changed on setup screen)
6455   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6456     execSetupGraphics_setWindowSizes(FALSE);
6457
6458   // update "setup.vsync_mode" from list selection
6459   // (in this case, vsync mode was changed on setup screen)
6460   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
6461     execSetupGraphics_setVsyncModes(FALSE);
6462
6463   // update list selection from "setup.window_scaling_percent"
6464   // (window scaling may have changed by resizing the window)
6465   execSetupGraphics_setWindowSizes(TRUE);
6466
6467   // update list selection from "setup.vsync_mode"
6468   // (vsync_mode may have changed by re-creating the renderer)
6469   execSetupGraphics_setVsyncModes(TRUE);
6470
6471   execSetupGraphics_setScalingTypes();
6472   execSetupGraphics_setRenderingModes();
6473
6474   setup_mode = SETUP_MODE_GRAPHICS;
6475
6476   DrawSetupScreen();
6477
6478   // check if game speed is high enough for 60 Hz vsync to work
6479   if (check_game_speed)
6480     ModifyGameSpeedIfNeeded();
6481
6482   // window scaling may have changed at this point
6483   ChangeWindowScalingIfNeeded();
6484
6485   // window scaling quality may have changed at this point
6486   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
6487     SDLSetWindowScalingQuality(setup.window_scaling_quality);
6488
6489   // screen rendering mode may have changed at this point
6490   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
6491
6492   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6493   int video_vsync_mode = video.vsync_mode;
6494
6495   // screen vsync mode may have changed at this point
6496   ChangeVsyncModeIfNeeded();
6497
6498   // check if setting vsync mode to selected value failed
6499   if (setup_vsync_mode != video_vsync_mode &&
6500       setup_vsync_mode != video.vsync_mode)
6501   {
6502     // changing vsync mode to selected value failed -- reset displayed value
6503     execSetupGraphics_setVsyncModes(TRUE);
6504
6505     Request("Setting VSync failed!", REQ_CONFIRM);
6506
6507     DrawSetupScreen();
6508   }
6509 }
6510
6511 static void execSetupChooseWindowSize(void)
6512 {
6513   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6514
6515   DrawSetupScreen();
6516 }
6517
6518 static void execSetupChooseScalingType(void)
6519 {
6520   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6521
6522   DrawSetupScreen();
6523 }
6524
6525 static void execSetupChooseRenderingMode(void)
6526 {
6527   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6528
6529   DrawSetupScreen();
6530 }
6531
6532 static void execSetupChooseVsyncMode(void)
6533 {
6534   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6535
6536   DrawSetupScreen();
6537 }
6538
6539 static void execSetupChooseVolumeSimple(void)
6540 {
6541   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6542
6543   DrawSetupScreen();
6544 }
6545
6546 static void execSetupChooseVolumeLoops(void)
6547 {
6548   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6549
6550   DrawSetupScreen();
6551 }
6552
6553 static void execSetupChooseVolumeMusic(void)
6554 {
6555   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6556
6557   DrawSetupScreen();
6558 }
6559
6560 static void execSetupSound(void)
6561 {
6562   if (volumes_simple == NULL)
6563   {
6564     boolean current_volume_simple_found = FALSE;
6565     int i;
6566
6567     for (i = 0; volumes_list[i].value != -1; i++)
6568     {
6569       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6570       char identifier[32], name[32];
6571       int value = volumes_list[i].value;
6572       char *text = volumes_list[i].text;
6573
6574       ti->node_top = &volumes_simple;
6575       ti->sort_priority = value;
6576
6577       sprintf(identifier, "%d", value);
6578       sprintf(name, "%s", text);
6579
6580       setString(&ti->identifier, identifier);
6581       setString(&ti->name, name);
6582       setString(&ti->name_sorting, name);
6583       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6584
6585       pushTreeInfo(&volumes_simple, ti);
6586
6587       if (value == setup.volume_simple)
6588         current_volume_simple_found = TRUE;
6589     }
6590
6591     if (!current_volume_simple_found)
6592     {
6593       // add entry for non-preset volume value
6594
6595       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6596       char identifier[32], name[32];
6597       int value = setup.volume_simple;
6598
6599       ti->node_top = &volumes_simple;
6600       ti->sort_priority = value;
6601
6602       sprintf(identifier, "%d", value);
6603       sprintf(name, "%d %% (Current)", value);
6604
6605       setString(&ti->identifier, identifier);
6606       setString(&ti->name, name);
6607       setString(&ti->name_sorting, name);
6608       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6609
6610       pushTreeInfo(&volumes_simple, ti);
6611     }
6612
6613     // sort volume values to start with lowest volume value
6614     sortTreeInfo(&volumes_simple);
6615
6616     // set current volume value to configured volume value
6617     volume_simple_current =
6618       getTreeInfoFromIdentifier(volumes_simple, i_to_a(setup.volume_simple));
6619
6620     // if that fails, set current volume to reliable default value
6621     if (volume_simple_current == NULL)
6622       volume_simple_current =
6623         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6624
6625     // if that also fails, set current volume to first available value
6626     if (volume_simple_current == NULL)
6627       volume_simple_current = volumes_simple;
6628   }
6629
6630   if (volumes_loops == NULL)
6631   {
6632     boolean current_volume_loops_found = FALSE;
6633     int i;
6634
6635     for (i = 0; volumes_list[i].value != -1; i++)
6636     {
6637       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6638       char identifier[32], name[32];
6639       int value = volumes_list[i].value;
6640       char *text = volumes_list[i].text;
6641
6642       ti->node_top = &volumes_loops;
6643       ti->sort_priority = value;
6644
6645       sprintf(identifier, "%d", value);
6646       sprintf(name, "%s", text);
6647
6648       setString(&ti->identifier, identifier);
6649       setString(&ti->name, name);
6650       setString(&ti->name_sorting, name);
6651       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6652
6653       pushTreeInfo(&volumes_loops, ti);
6654
6655       if (value == setup.volume_loops)
6656         current_volume_loops_found = TRUE;
6657     }
6658
6659     if (!current_volume_loops_found)
6660     {
6661       // add entry for non-preset volume value
6662
6663       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6664       char identifier[32], name[32];
6665       int value = setup.volume_loops;
6666
6667       ti->node_top = &volumes_loops;
6668       ti->sort_priority = value;
6669
6670       sprintf(identifier, "%d", value);
6671       sprintf(name, "%d %% (Current)", value);
6672
6673       setString(&ti->identifier, identifier);
6674       setString(&ti->name, name);
6675       setString(&ti->name_sorting, name);
6676       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6677
6678       pushTreeInfo(&volumes_loops, ti);
6679     }
6680
6681     // sort volume values to start with lowest volume value
6682     sortTreeInfo(&volumes_loops);
6683
6684     // set current volume value to configured volume value
6685     volume_loops_current =
6686       getTreeInfoFromIdentifier(volumes_loops, i_to_a(setup.volume_loops));
6687
6688     // if that fails, set current volume to reliable default value
6689     if (volume_loops_current == NULL)
6690       volume_loops_current =
6691         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6692
6693     // if that also fails, set current volume to first available value
6694     if (volume_loops_current == NULL)
6695       volume_loops_current = volumes_loops;
6696   }
6697
6698   if (volumes_music == NULL)
6699   {
6700     boolean current_volume_music_found = FALSE;
6701     int i;
6702
6703     for (i = 0; volumes_list[i].value != -1; i++)
6704     {
6705       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6706       char identifier[32], name[32];
6707       int value = volumes_list[i].value;
6708       char *text = volumes_list[i].text;
6709
6710       ti->node_top = &volumes_music;
6711       ti->sort_priority = value;
6712
6713       sprintf(identifier, "%d", value);
6714       sprintf(name, "%s", text);
6715
6716       setString(&ti->identifier, identifier);
6717       setString(&ti->name, name);
6718       setString(&ti->name_sorting, name);
6719       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6720
6721       pushTreeInfo(&volumes_music, ti);
6722
6723       if (value == setup.volume_music)
6724         current_volume_music_found = TRUE;
6725     }
6726
6727     if (!current_volume_music_found)
6728     {
6729       // add entry for non-preset volume value
6730
6731       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6732       char identifier[32], name[32];
6733       int value = setup.volume_music;
6734
6735       ti->node_top = &volumes_music;
6736       ti->sort_priority = value;
6737
6738       sprintf(identifier, "%d", value);
6739       sprintf(name, "%d %% (Current)", value);
6740
6741       setString(&ti->identifier, identifier);
6742       setString(&ti->name, name);
6743       setString(&ti->name_sorting, name);
6744       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6745
6746       pushTreeInfo(&volumes_music, ti);
6747     }
6748
6749     // sort volume values to start with lowest volume value
6750     sortTreeInfo(&volumes_music);
6751
6752     // set current volume value to configured volume value
6753     volume_music_current =
6754       getTreeInfoFromIdentifier(volumes_music, i_to_a(setup.volume_music));
6755
6756     // if that fails, set current volume to reliable default value
6757     if (volume_music_current == NULL)
6758       volume_music_current =
6759         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6760
6761     // if that also fails, set current volume to first available value
6762     if (volume_music_current == NULL)
6763       volume_music_current = volumes_music;
6764   }
6765
6766   setup.volume_simple = atoi(volume_simple_current->identifier);
6767   setup.volume_loops  = atoi(volume_loops_current->identifier);
6768   setup.volume_music  = atoi(volume_music_current->identifier);
6769
6770   // needed for displaying volume text instead of identifier
6771   volume_simple_text = volume_simple_current->name;
6772   volume_loops_text = volume_loops_current->name;
6773   volume_music_text = volume_music_current->name;
6774
6775   setup_mode = SETUP_MODE_SOUND;
6776
6777   DrawSetupScreen();
6778 }
6779
6780 static void execSetupChooseTouchControls(void)
6781 {
6782   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6783
6784   DrawSetupScreen();
6785 }
6786
6787 static void execSetupChooseMoveDistance(void)
6788 {
6789   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6790
6791   DrawSetupScreen();
6792 }
6793
6794 static void execSetupChooseDropDistance(void)
6795 {
6796   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6797
6798   DrawSetupScreen();
6799 }
6800
6801 static void execSetupChooseTransparency(void)
6802 {
6803   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6804
6805   DrawSetupScreen();
6806 }
6807
6808 static void execSetupChooseGridXSize_0(void)
6809 {
6810   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6811
6812   DrawSetupScreen();
6813 }
6814
6815 static void execSetupChooseGridYSize_0(void)
6816 {
6817   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6818
6819   DrawSetupScreen();
6820 }
6821
6822 static void execSetupChooseGridXSize_1(void)
6823 {
6824   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6825
6826   DrawSetupScreen();
6827 }
6828
6829 static void execSetupChooseGridYSize_1(void)
6830 {
6831   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6832
6833   DrawSetupScreen();
6834 }
6835
6836 static void execSetupConfigureVirtualButtons(void)
6837 {
6838   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6839
6840   ConfigureVirtualButtons();
6841
6842   setup_mode = SETUP_MODE_TOUCH;
6843
6844   DrawSetupScreen();
6845 }
6846
6847 static void execSetupTouch(void)
6848 {
6849   int i, j, k;
6850
6851   if (touch_controls == NULL)
6852   {
6853     for (i = 0; touch_controls_list[i].value != NULL; i++)
6854     {
6855       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6856       char identifier[32], name[32];
6857       char *value = touch_controls_list[i].value;
6858       char *text = touch_controls_list[i].text;
6859
6860       ti->node_top = &touch_controls;
6861       ti->sort_priority = i;
6862
6863       sprintf(identifier, "%s", value);
6864       sprintf(name, "%s", text);
6865
6866       setString(&ti->identifier, identifier);
6867       setString(&ti->name, name);
6868       setString(&ti->name_sorting, name);
6869       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6870
6871       pushTreeInfo(&touch_controls, ti);
6872     }
6873
6874     // sort touch control values to start with lowest touch control value
6875     sortTreeInfo(&touch_controls);
6876
6877     // set current touch control value to configured touch control value
6878     touch_control_current =
6879       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6880
6881     // if that fails, set current touch control to reliable default value
6882     if (touch_control_current == NULL)
6883       touch_control_current =
6884         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6885
6886     // if that also fails, set current touch control to first available value
6887     if (touch_control_current == NULL)
6888       touch_control_current = touch_controls;
6889   }
6890
6891   if (move_distances == NULL)
6892   {
6893     for (i = 0; distances_list[i].value != -1; i++)
6894     {
6895       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6896       char identifier[32], name[32];
6897       int value = distances_list[i].value;
6898       char *text = distances_list[i].text;
6899
6900       ti->node_top = &move_distances;
6901       ti->sort_priority = value;
6902
6903       sprintf(identifier, "%d", value);
6904       sprintf(name, "%s", text);
6905
6906       setString(&ti->identifier, identifier);
6907       setString(&ti->name, name);
6908       setString(&ti->name_sorting, name);
6909       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6910
6911       pushTreeInfo(&move_distances, ti);
6912     }
6913
6914     // sort distance values to start with lowest distance value
6915     sortTreeInfo(&move_distances);
6916
6917     // set current distance value to configured distance value
6918     move_distance_current =
6919       getTreeInfoFromIdentifier(move_distances,
6920                                 i_to_a(setup.touch.move_distance));
6921
6922     // if that fails, set current distance to reliable default value
6923     if (move_distance_current == NULL)
6924       move_distance_current =
6925         getTreeInfoFromIdentifier(move_distances,
6926                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6927
6928     // if that also fails, set current distance to first available value
6929     if (move_distance_current == NULL)
6930       move_distance_current = move_distances;
6931   }
6932
6933   if (drop_distances == NULL)
6934   {
6935     for (i = 0; distances_list[i].value != -1; i++)
6936     {
6937       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6938       char identifier[32], name[32];
6939       int value = distances_list[i].value;
6940       char *text = distances_list[i].text;
6941
6942       ti->node_top = &drop_distances;
6943       ti->sort_priority = value;
6944
6945       sprintf(identifier, "%d", value);
6946       sprintf(name, "%s", text);
6947
6948       setString(&ti->identifier, identifier);
6949       setString(&ti->name, name);
6950       setString(&ti->name_sorting, name);
6951       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6952
6953       pushTreeInfo(&drop_distances, ti);
6954     }
6955
6956     // sort distance values to start with lowest distance value
6957     sortTreeInfo(&drop_distances);
6958
6959     // set current distance value to configured distance value
6960     drop_distance_current =
6961       getTreeInfoFromIdentifier(drop_distances,
6962                                 i_to_a(setup.touch.drop_distance));
6963
6964     // if that fails, set current distance to reliable default value
6965     if (drop_distance_current == NULL)
6966       drop_distance_current =
6967         getTreeInfoFromIdentifier(drop_distances,
6968                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6969
6970     // if that also fails, set current distance to first available value
6971     if (drop_distance_current == NULL)
6972       drop_distance_current = drop_distances;
6973   }
6974
6975   if (transparencies == NULL)
6976   {
6977     for (i = 0; transparencies_list[i].value != -1; i++)
6978     {
6979       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6980       char identifier[32], name[32];
6981       int value = transparencies_list[i].value;
6982       char *text = transparencies_list[i].text;
6983
6984       ti->node_top = &transparencies;
6985       ti->sort_priority = value;
6986
6987       sprintf(identifier, "%d", value);
6988       sprintf(name, "%s", text);
6989
6990       setString(&ti->identifier, identifier);
6991       setString(&ti->name, name);
6992       setString(&ti->name_sorting, name);
6993       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6994
6995       pushTreeInfo(&transparencies, ti);
6996     }
6997
6998     // sort transparency values to start with lowest transparency value
6999     sortTreeInfo(&transparencies);
7000
7001     // set current transparency value to configured transparency value
7002     transparency_current =
7003       getTreeInfoFromIdentifier(transparencies,
7004                                 i_to_a(setup.touch.transparency));
7005
7006     // if that fails, set current transparency to reliable default value
7007     if (transparency_current == NULL)
7008       transparency_current =
7009         getTreeInfoFromIdentifier(transparencies,
7010                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
7011
7012     // if that also fails, set current transparency to first available value
7013     if (transparency_current == NULL)
7014       transparency_current = transparencies;
7015   }
7016
7017   for (i = 0; i < 2; i++)
7018   {
7019     for (j = 0; j < 2; j++)
7020     {
7021       if (grid_sizes[i][j] == NULL)
7022       {
7023         for (k = 0; grid_sizes_list[k].value != -1; k++)
7024         {
7025           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
7026           char identifier[32], name[32];
7027           int value = grid_sizes_list[k].value;
7028           char *text = grid_sizes_list[k].text;
7029
7030           ti->node_top = &grid_sizes[i][j];
7031           ti->sort_priority = value;
7032
7033           sprintf(identifier, "%d", value);
7034           sprintf(name, "%s", text);
7035
7036           setString(&ti->identifier, identifier);
7037           setString(&ti->name, name);
7038           setString(&ti->name_sorting, name);
7039           setString(&ti->infotext,
7040                     (i == 0 ?
7041                      (j == 0 ?
7042                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
7043                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
7044                      (j == 0 ?
7045                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
7046                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
7047
7048           pushTreeInfo(&grid_sizes[i][j], ti);
7049         }
7050
7051         // sort grid size values to start with lowest grid size value
7052         sortTreeInfo(&grid_sizes[i][j]);
7053
7054         // set current grid size value to configured grid size value
7055         grid_size_current[i][j] =
7056           getTreeInfoFromIdentifier(grid_sizes[i][j],
7057                                     i_to_a(j == 0 ?
7058                                            setup.touch.grid_xsize[i] :
7059                                            setup.touch.grid_ysize[i]));
7060
7061         // if that fails, set current grid size to reliable default value
7062         if (grid_size_current[i][j] == NULL)
7063           grid_size_current[i][j] =
7064             getTreeInfoFromIdentifier(grid_sizes[i][j],
7065                                       i_to_a(j == 0 ?
7066                                              DEFAULT_GRID_XSIZE(i) :
7067                                              DEFAULT_GRID_YSIZE(i)));
7068
7069         // if that also fails, set current grid size to first available value
7070         if (grid_size_current[i][j] == NULL)
7071           grid_size_current[i][j] = grid_sizes[i][j];
7072       }
7073     }
7074   }
7075
7076   setup.touch.control_type = touch_control_current->identifier;
7077   setup.touch.move_distance = atoi(move_distance_current->identifier);
7078   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
7079   setup.touch.transparency = atoi(transparency_current->identifier);
7080
7081   for (i = 0; i < 2; i++)
7082   {
7083     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
7084     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
7085
7086     if (i == GRID_ACTIVE_NR())
7087     {
7088       overlay.grid_xsize = setup.touch.grid_xsize[i];
7089       overlay.grid_ysize = setup.touch.grid_ysize[i];
7090     }
7091   }
7092
7093   // needed for displaying value text instead of identifier
7094   touch_controls_text = touch_control_current->name;
7095   move_distance_text = move_distance_current->name;
7096   drop_distance_text = drop_distance_current->name;
7097   transparency_text = transparency_current->name;
7098
7099   for (i = 0; i < 2; i++)
7100     for (j = 0; j < 2; j++)
7101       grid_size_text[i][j] = grid_size_current[i][j]->name;
7102
7103   setup_mode = SETUP_MODE_TOUCH;
7104
7105   DrawSetupScreen();
7106 }
7107
7108 static void execSetupArtwork(void)
7109 {
7110   static ArtworkDirTree *gfx_last_valid = NULL;
7111   static ArtworkDirTree *snd_last_valid = NULL;
7112   static ArtworkDirTree *mus_last_valid = NULL;
7113
7114   // current artwork directory may be invalid (level group, parent link)
7115   if (!validLevelSeries(artwork.gfx_current))
7116     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
7117   if (!validLevelSeries(artwork.snd_current))
7118     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
7119   if (!validLevelSeries(artwork.mus_current))
7120     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
7121
7122   // store valid artwork directory information
7123   gfx_last_valid = artwork.gfx_current;
7124   snd_last_valid = artwork.snd_current;
7125   mus_last_valid = artwork.mus_current;
7126
7127 #if 0
7128   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
7129         artwork.gfx_current->subdir,
7130         artwork.gfx_current->fullpath,
7131         artwork.gfx_current->basepath);
7132 #endif
7133
7134   setup.graphics_set = artwork.gfx_current->identifier;
7135   setup.sounds_set = artwork.snd_current->identifier;
7136   setup.music_set = artwork.mus_current->identifier;
7137
7138   // needed if last screen (setup choice) changed graphics, sounds or music
7139   ReloadCustomArtwork(0);
7140
7141   // needed for displaying artwork name instead of artwork identifier
7142   graphics_set_name = artwork.gfx_current->name;
7143   sounds_set_name = artwork.snd_current->name;
7144   music_set_name = artwork.mus_current->name;
7145
7146   setup_mode = SETUP_MODE_ARTWORK;
7147
7148   DrawSetupScreen();
7149 }
7150
7151 static void execSetupChooseGraphics(void)
7152 {
7153   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
7154
7155   DrawSetupScreen();
7156 }
7157
7158 static void execSetupChooseSounds(void)
7159 {
7160   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
7161
7162   DrawSetupScreen();
7163 }
7164
7165 static void execSetupChooseMusic(void)
7166 {
7167   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
7168
7169   DrawSetupScreen();
7170 }
7171
7172 static void execSetupInput(void)
7173 {
7174   setup_mode = SETUP_MODE_INPUT;
7175
7176   DrawSetupScreen();
7177 }
7178
7179 static void execSetupShortcuts(void)
7180 {
7181   setup_mode = SETUP_MODE_SHORTCUTS;
7182
7183   DrawSetupScreen();
7184 }
7185
7186 static void execSetupShortcuts1(void)
7187 {
7188   setup_mode = SETUP_MODE_SHORTCUTS_1;
7189
7190   DrawSetupScreen();
7191 }
7192
7193 static void execSetupShortcuts2(void)
7194 {
7195   setup_mode = SETUP_MODE_SHORTCUTS_2;
7196
7197   DrawSetupScreen();
7198 }
7199
7200 static void execSetupShortcuts3(void)
7201 {
7202   setup_mode = SETUP_MODE_SHORTCUTS_3;
7203
7204   DrawSetupScreen();
7205 }
7206
7207 static void execSetupShortcuts4(void)
7208 {
7209   setup_mode = SETUP_MODE_SHORTCUTS_4;
7210
7211   DrawSetupScreen();
7212 }
7213
7214 static void execSetupShortcuts5(void)
7215 {
7216   setup_mode = SETUP_MODE_SHORTCUTS_5;
7217
7218   DrawSetupScreen();
7219 }
7220
7221 static void execExitSetup(void)
7222 {
7223   SetGameStatus(GAME_MODE_MAIN);
7224
7225   DrawMainMenu();
7226 }
7227
7228 static void execSaveAndExitSetup(void)
7229 {
7230   SaveSetup();
7231   execExitSetup();
7232 }
7233
7234 static void execGadgetNetworkServer(void)
7235 {
7236   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
7237   struct GadgetInfo *gi = screen_gadget[gadget_id];
7238
7239   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
7240     network_server_hostname[0] = '\0';
7241
7242   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
7243
7244   MapGadget(gi);
7245
7246   ClickOnGadget(gi, MB_LEFTBUTTON);
7247 }
7248
7249 static void execOfferUploadTapes(void)
7250 {
7251   OfferUploadTapes();
7252 }
7253
7254 static void ToggleNetworkModeIfNeeded(void)
7255 {
7256   int font_title = FONT_TITLE_1;
7257   int font_foot = FC_BLUE;
7258   int ystart  = mSY - SY + 16;
7259   int ybottom = mSY - SY + SYSIZE - 20;
7260   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
7261
7262   if (setup.network_mode == network.enabled)
7263     return;
7264
7265   network.enabled = setup.network_mode;
7266
7267   FadeOut(REDRAW_ALL);
7268
7269   ClearField();
7270
7271   DrawTextSCentered(ystart, font_title, text);
7272
7273   FadeIn(REDRAW_ALL);
7274
7275   if (network.enabled)
7276     InitNetworkServer();
7277   else
7278     DisconnectFromNetworkServer();
7279
7280   DrawTextSCentered(ybottom, font_foot,
7281                     "Press any key or button for setup menu");
7282
7283   WaitForEventToContinue();
7284
7285   DrawSetupScreen();
7286 }
7287
7288 static void ToggleGameSpeedsListIfNeeded(void)
7289 {
7290   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
7291
7292   if (setup.game_speed_extended == using_game_speeds_extended)
7293     return;
7294
7295   // try to match similar values when changing game speeds list
7296   if (setup.game_speed_extended)
7297     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
7298                               setup.game_frame_delay == 30 ? 29 :
7299                               setup.game_frame_delay);
7300   else
7301     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
7302                               setup.game_frame_delay == 16 ? 15 :
7303                               setup.game_frame_delay >= 29 ? 30 :
7304                               setup.game_frame_delay <= 10 ? 10 :
7305                               setup.game_frame_delay);
7306
7307   execSetupGame_setGameSpeeds(TRUE);
7308
7309   DrawSetupScreen();
7310 }
7311
7312 static void ToggleUseApiServerIfNeeded(void)
7313 {
7314   if (runtime.use_api_server == setup.use_api_server)
7315     return;
7316
7317   runtime.use_api_server = setup.use_api_server;
7318
7319   if (runtime.use_api_server)
7320   {
7321     if (setup.has_remaining_tapes)
7322       setup.ask_for_uploading_tapes = TRUE;
7323
7324     CheckApiServerTasks();
7325   }
7326 }
7327
7328 static void ModifyGameSpeedIfNeeded(void)
7329 {
7330   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7331       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
7332     return;
7333
7334   char message[100];
7335   char *game_speed_text = "Fast";
7336   int game_speed_value = 15;
7337
7338   if (setup.game_speed_extended)
7339   {
7340     game_speed_text = "60 fps";
7341     game_speed_value = 16;
7342   }
7343
7344   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
7345
7346   // set game speed to existing list value that is fast enough for vsync
7347   setup.game_frame_delay = game_speed_value;
7348
7349   execSetupGame_setGameSpeeds(TRUE);
7350
7351   Request(message, REQ_CONFIRM);
7352 }
7353
7354 static void DisableVsyncIfNeeded(void)
7355 {
7356   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7357       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
7358        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
7359     return;
7360
7361   // disable vsync for the selected game speed to work
7362   setup.vsync_mode = STR_VSYNC_MODE_OFF;
7363
7364   execSetupGraphics_setVsyncModes(TRUE);
7365
7366   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
7367 }
7368
7369 static struct
7370 {
7371   void *value;
7372   void *related_value;
7373 } hide_related_entry_list[] =
7374 {
7375   { &setup.network_server_hostname,             execGadgetNetworkServer         },
7376   { &setup.network_server_hostname,             &network_server_text            },
7377
7378   { &setup.scores_in_highscore_list,            execSetupChooseScoresType       },
7379   { &setup.scores_in_highscore_list,            &scores_type_text               },
7380
7381   { &setup.game_frame_delay,                    execSetupChooseGameSpeed        },
7382   { &setup.game_frame_delay,                    &game_speed_text                },
7383
7384   { &setup.scroll_delay_value,                  execSetupChooseScrollDelay      },
7385   { &setup.scroll_delay_value,                  &scroll_delay_text              },
7386
7387   { &setup.engine_snapshot_mode,                execSetupChooseSnapshotMode     },
7388   { &setup.engine_snapshot_mode,                &snapshot_mode_text             },
7389
7390   { &setup.window_scaling_percent,              execSetupChooseWindowSize       },
7391   { &setup.window_scaling_percent,              &window_size_text               },
7392
7393   { &setup.window_scaling_quality,              execSetupChooseScalingType      },
7394   { &setup.window_scaling_quality,              &scaling_type_text              },
7395
7396   { &setup.screen_rendering_mode,               execSetupChooseRenderingMode    },
7397   { &setup.screen_rendering_mode,               &rendering_mode_text            },
7398
7399   { &setup.vsync_mode,                          execSetupChooseVsyncMode        },
7400   { &setup.vsync_mode,                          &vsync_mode_text                },
7401
7402   { &setup.graphics_set,                        execSetupChooseGraphics         },
7403   { &setup.graphics_set,                        &graphics_set_name              },
7404
7405   { &setup.sounds_set,                          execSetupChooseSounds           },
7406   { &setup.sounds_set,                          &sounds_set_name                },
7407
7408   { &setup.music_set,                           execSetupChooseMusic            },
7409   { &setup.music_set,                           &music_set_name                 },
7410
7411   { &setup.volume_simple,                       execSetupChooseVolumeSimple     },
7412   { &setup.volume_simple,                       &volume_simple_text             },
7413
7414   { &setup.volume_loops,                        execSetupChooseVolumeLoops      },
7415   { &setup.volume_loops,                        &volume_loops_text              },
7416
7417   { &setup.volume_music,                        execSetupChooseVolumeMusic      },
7418   { &setup.volume_music,                        &volume_music_text              },
7419
7420   { &setup.touch.control_type,                  execSetupChooseTouchControls    },
7421   { &setup.touch.control_type,                  &touch_controls_text            },
7422
7423   { &setup.touch.move_distance,                 execSetupChooseMoveDistance     },
7424   { &setup.touch.move_distance,                 &move_distance_text             },
7425
7426   { &setup.touch.drop_distance,                 execSetupChooseDropDistance     },
7427   { &setup.touch.drop_distance,                 &drop_distance_text             },
7428
7429   { &setup.touch.transparency,                  execSetupChooseTransparency     },
7430   { &setup.touch.transparency,                  &transparency_text              },
7431
7432   { &setup.touch.grid_xsize[0],                 execSetupChooseGridXSize_0      },
7433   { &setup.touch.grid_xsize[0],                 &grid_size_text[0][0]           },
7434
7435   { &setup.touch.grid_ysize[0],                 execSetupChooseGridYSize_0      },
7436   { &setup.touch.grid_ysize[0],                 &grid_size_text[0][1]           },
7437
7438   { &setup.touch.grid_xsize[1],                 execSetupChooseGridXSize_1      },
7439   { &setup.touch.grid_xsize[1],                 &grid_size_text[1][0]           },
7440
7441   { &setup.touch.grid_ysize[1],                 execSetupChooseGridYSize_1      },
7442   { &setup.touch.grid_ysize[1],                 &grid_size_text[1][1]           },
7443
7444   { &setup.internal.menu_game,                  execSetupGame                   },
7445   { &setup.internal.menu_engines,               execSetupEngines                },
7446   { &setup.internal.menu_editor,                execSetupEditor                 },
7447   { &setup.internal.menu_graphics,              execSetupGraphics               },
7448   { &setup.internal.menu_sound,                 execSetupSound                  },
7449   { &setup.internal.menu_artwork,               execSetupArtwork                },
7450   { &setup.internal.menu_input,                 execSetupInput                  },
7451   { &setup.internal.menu_touch,                 execSetupTouch                  },
7452   { &setup.internal.menu_shortcuts,             execSetupShortcuts              },
7453   { &setup.internal.menu_exit,                  execExitSetup                   },
7454   { &setup.internal.menu_save_and_exit,         execSaveAndExitSetup            },
7455
7456   { &setup.internal.menu_shortcuts_various,     execSetupShortcuts1             },
7457   { &setup.internal.menu_shortcuts_focus,       execSetupShortcuts2             },
7458   { &setup.internal.menu_shortcuts_tape,        execSetupShortcuts3             },
7459   { &setup.internal.menu_shortcuts_sound,       execSetupShortcuts4             },
7460   { &setup.internal.menu_shortcuts_snap,        execSetupShortcuts5             },
7461
7462   { &setup.internal.info_title,                 execInfoTitleScreen             },
7463   { &setup.internal.info_elements,              execInfoElements                },
7464   { &setup.internal.info_music,                 execInfoMusic                   },
7465   { &setup.internal.info_credits,               execInfoCredits                 },
7466   { &setup.internal.info_program,               execInfoProgram                 },
7467   { &setup.internal.info_version,               execInfoVersion                 },
7468   { &setup.internal.info_levelset,              execInfoLevelSet                },
7469   { &setup.internal.info_exit,                  execExitInfo                    },
7470
7471   { NULL,                                       NULL                            }
7472 };
7473
7474 void setHideRelatedSetupEntries(void)
7475 {
7476   int i;
7477
7478   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
7479     if (hideSetupEntry(hide_related_entry_list[i].value))
7480       setHideSetupEntry(hide_related_entry_list[i].related_value);
7481 }
7482
7483 static struct TokenInfo setup_info_main[] =
7484 {
7485   { TYPE_ENTER_MENU,    execSetupGame,                  STR_SETUP_GAME                  },
7486   { TYPE_ENTER_MENU,    execSetupEngines,               STR_SETUP_ENGINES               },
7487   { TYPE_ENTER_MENU,    execSetupEditor,                STR_SETUP_EDITOR                },
7488   { TYPE_ENTER_MENU,    execSetupGraphics,              STR_SETUP_GRAPHICS              },
7489   { TYPE_ENTER_MENU,    execSetupSound,                 STR_SETUP_SOUND                 },
7490   { TYPE_ENTER_MENU,    execSetupArtwork,               STR_SETUP_ARTWORK               },
7491   { TYPE_ENTER_MENU,    execSetupInput,                 STR_SETUP_INPUT                 },
7492   { TYPE_ENTER_MENU,    execSetupTouch,                 STR_SETUP_TOUCH                 },
7493   { TYPE_ENTER_MENU,    execSetupShortcuts,             STR_SETUP_SHORTCUTS             },
7494   { TYPE_EMPTY,         NULL,                           ""                              },
7495   { TYPE_LEAVE_MENU,    execExitSetup,                  STR_SETUP_EXIT                  },
7496   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,           STR_SETUP_SAVE_AND_EXIT         },
7497
7498   { 0,                  NULL,                           NULL                            }
7499 };
7500
7501 static struct TokenInfo setup_info_game[] =
7502 {
7503   { TYPE_SWITCH,        &setup.team_mode,               "Team-Mode (Multi-Player):"     },
7504   { TYPE_SWITCH,        &setup.network_mode,            "Network Multi-Player Mode:"    },
7505   { TYPE_PLAYER,        &setup.network_player_nr,       "Preferred Network Player:"     },
7506   { TYPE_TEXT_INPUT,    execGadgetNetworkServer,        "Network Server Hostname:"      },
7507   { TYPE_STRING,        &network_server_text,           ""                              },
7508   { TYPE_SWITCH,        &setup.use_api_server,          "Use Highscore Server:"         },
7509   { TYPE_ENTER_LIST,    execSetupChooseScoresType,      "Scores in Highscore List:"     },
7510   { TYPE_STRING,        &scores_type_text,              ""                              },
7511   { TYPE_ENTER_LIST,    execOfferUploadTapes,           "Upload Tapes to Server"        },
7512   { TYPE_SWITCH,        &setup.multiple_users,          "Multiple Users/Teams:"         },
7513   { TYPE_YES_NO,        &setup.input_on_focus,          "Only Move Focussed Player:"    },
7514   { TYPE_SWITCH,        &setup.time_limit,              "Time Limit:"                   },
7515   { TYPE_SWITCH,        &setup.handicap,                "Force Solving Levels:"         },
7516   { TYPE_SWITCH,        &setup.skip_levels,             "Allow Skipping Levels:"        },
7517   { TYPE_SWITCH,        &setup.increment_levels,        "Increment Solved Levels:"      },
7518   { TYPE_SWITCH,        &setup.auto_play_next_level,    "Auto-play Next Level:"         },
7519   { TYPE_SWITCH,        &setup.count_score_after_game,  "Count Score After Game:"       },
7520   { TYPE_SWITCH,        &setup.show_scores_after_game,  "Show Scores After Game:"       },
7521   { TYPE_YES_NO,        &setup.ask_on_game_over,        "Ask on Game Over:"             },
7522   { TYPE_YES_NO,        &setup.ask_on_quit_game,        "Ask on Quit Game:"             },
7523   { TYPE_YES_NO,        &setup.ask_on_quit_program,     "Ask on Quit Program:"          },
7524   { TYPE_SWITCH,        &setup.autorecord,              "Auto-Record When Playing:"     },
7525   { TYPE_SWITCH,        &setup.autorecord_after_replay, "Auto-Record After Replay:"     },
7526   { TYPE_SWITCH,        &setup.auto_pause_on_start,     "Start Game in Pause Mode:"     },
7527   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed,       "Game Speed:"                   },
7528   { TYPE_STRING,        &game_speed_text,               ""                              },
7529   { TYPE_SWITCH,        &setup.game_speed_extended,     "Game Speed Extended List:"     },
7530 #if 1
7531   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay,     "Scroll Delay:"                 },
7532   { TYPE_STRING,        &scroll_delay_text,             ""                              },
7533 #endif
7534   { TYPE_ENTER_LIST,    execSetupChooseSnapshotMode,    "Game Engine Snapshot Mode:"    },
7535   { TYPE_STRING,        &snapshot_mode_text,            ""                              },
7536   { TYPE_SWITCH,        &setup.show_load_save_buttons,  "Show Load/Save Buttons:"       },
7537   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,  "Show Undo/Redo Buttons:"       },
7538   { TYPE_EMPTY,         NULL,                           ""                              },
7539   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7540
7541   { 0,                  NULL,                           NULL                            }
7542 };
7543
7544 static struct TokenInfo setup_info_engines[] =
7545 {
7546   { TYPE_HEADLINE,      NULL,                           "Boulder Dash"                  },
7547   { TYPE_SWITCH,        &setup.bd_skip_uncovering,      "Skip (un)covering screen:"     },
7548   { TYPE_SWITCH,        &setup.bd_skip_hatching,        "Skip hatching player:"         },
7549   { TYPE_SWITCH,        &setup.bd_scroll_delay,         "Scroll Delay:"                 },
7550   { TYPE_YES_NO_AUTO,   &setup.bd_smooth_movements,     "Smooth Element Movement:"      },
7551   { TYPE_EMPTY,         NULL,                           ""                              },
7552   { TYPE_HEADLINE,      NULL,                           "Emerald Mine"                  },
7553   { TYPE_SWITCH,        &setup.forced_scroll_delay,     "Scroll Delay:"                 },
7554   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,     "Amiga Graphics Chipset:"       },
7555   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,   "Low-Pass Filter Sounds:"       },
7556   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:"       },
7557   { TYPE_EMPTY,         NULL,                           ""                              },
7558   { TYPE_HEADLINE,      NULL,                           "Supaplex"                      },
7559   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:"              },
7560   { TYPE_EMPTY,         NULL,                           ""                              },
7561   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7562
7563   { 0,                  NULL,                           NULL                            }
7564 };
7565
7566 static struct TokenInfo setup_info_editor[] =
7567 {
7568 #if 0
7569   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:"                 },
7570   { TYPE_SWITCH,        &setup.editor.el_boulderdash_native, "Boulder Dash Native:"     },
7571   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:"                 },
7572   { TYPE_SWITCH,        &setup.editor.el_emerald_mine_club, "Emerald Mine Club:"        },
7573   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:"             },
7574   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"                      },
7575   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"                     },
7576   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:"             },
7577   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:"               },
7578   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:"              },
7579   { TYPE_SWITCH,        &setup.editor.el_steel_chars,   "Text Characters (Steel):"      },
7580 #endif
7581   { TYPE_SWITCH,        &setup.editor.el_classic,       "Classic Elements:"             },
7582   { TYPE_SWITCH,        &setup.editor.el_custom,        "Custom & Group Elements:"      },
7583 #if 0
7584   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"                    },
7585 #endif
7586   { TYPE_SWITCH, &setup.editor.el_user_defined,         "User defined element list:"    },
7587   { TYPE_SWITCH,        &setup.editor.el_dynamic,       "Dynamic level elements:"       },
7588   { TYPE_EMPTY,         NULL,                           ""                              },
7589 #if 0
7590   { TYPE_SWITCH,        &setup.editor.el_by_game,       "Show elements by game:"        },
7591   { TYPE_SWITCH,        &setup.editor.el_by_type,       "Show elements by type:"        },
7592   { TYPE_EMPTY,         NULL,                           ""                              },
7593 #endif
7594   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:"           },
7595   { TYPE_EMPTY,         NULL,                           ""                              },
7596   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:"       },
7597   { TYPE_EMPTY,         NULL,                           ""                              },
7598   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7599
7600   { 0,                  NULL,                           NULL                            }
7601 };
7602
7603 static struct TokenInfo setup_info_graphics[] =
7604 {
7605 #if !defined(PLATFORM_ANDROID) && !defined(PLATFORM_EMSCRIPTEN)
7606   { TYPE_SWITCH,        &setup.fullscreen,              "Fullscreen:"                   },
7607   { TYPE_ENTER_LIST,    execSetupChooseWindowSize,      "Window Scaling:"               },
7608   { TYPE_STRING,        &window_size_text,              ""                              },
7609   { TYPE_ENTER_LIST,    execSetupChooseScalingType,     "Anti-Aliasing:"                },
7610   { TYPE_STRING,        &scaling_type_text,             ""                              },
7611   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode,   "Special Rendering:"            },
7612   { TYPE_STRING,        &rendering_mode_text,           ""                              },
7613 #endif
7614 #if 0
7615   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay,     "Scroll Delay:"                 },
7616   { TYPE_STRING,        &scroll_delay_text,             ""                              },
7617 #endif
7618 #if !defined(PLATFORM_EMSCRIPTEN)
7619   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode,       "Vertical Sync (VSync):"        },
7620   { TYPE_STRING,        &vsync_mode_text,               ""                              },
7621 #endif
7622   { TYPE_SWITCH,        &setup.fade_screens,            "Fade Screens:"                 },
7623   { TYPE_SWITCH,        &setup.quick_switch,            "Quick Player Focus Switch:"    },
7624   { TYPE_SWITCH,        &setup.quick_doors,             "Quick Menu Doors:"             },
7625   { TYPE_SWITCH,        &setup.show_titlescreen,        "Show Title Screens:"           },
7626   { TYPE_SWITCH,        &setup.toons,                   "Show Toons:"                   },
7627   { TYPE_SWITCH,        &setup.small_game_graphics,     "Small Game Graphics:"          },
7628   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,          debug_xsn_mode                  },
7629   { TYPE_EMPTY,         NULL,                           ""                              },
7630   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7631
7632   { 0,                  NULL,                           NULL                            }
7633 };
7634
7635 static struct TokenInfo setup_info_sound[] =
7636 {
7637   { TYPE_SWITCH,        &setup.sound_simple,            "Sound Effects (Normal):"       },
7638   { TYPE_SWITCH,        &setup.sound_loops,             "Sound Effects (Looping):"      },
7639   { TYPE_SWITCH,        &setup.sound_music,             "Music:"                        },
7640   { TYPE_EMPTY,         NULL,                           ""                              },
7641   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple,    "Sound Volume (Normal):"        },
7642   { TYPE_STRING,        &volume_simple_text,            ""                              },
7643   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops,     "Sound Volume (Looping):"       },
7644   { TYPE_STRING,        &volume_loops_text,             ""                              },
7645   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic,     "Music Volume:"                 },
7646   { TYPE_STRING,        &volume_music_text,             ""                              },
7647   { TYPE_EMPTY,         NULL,                           ""                              },
7648   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7649
7650   { 0,                  NULL,                           NULL                            }
7651 };
7652
7653 static struct TokenInfo setup_info_artwork[] =
7654 {
7655   { TYPE_ENTER_LIST,    execSetupChooseGraphics,        "Custom Graphics:"              },
7656   { TYPE_STRING,        &graphics_set_name,             ""                              },
7657   { TYPE_ENTER_LIST,    execSetupChooseSounds,          "Custom Sounds:"                },
7658   { TYPE_STRING,        &sounds_set_name,               ""                              },
7659   { TYPE_ENTER_LIST,    execSetupChooseMusic,           "Custom Music:"                 },
7660   { TYPE_STRING,        &music_set_name,                ""                              },
7661   { TYPE_EMPTY,         NULL,                           ""                              },
7662   { TYPE_YES_NO_AUTO,   &setup.override_level_graphics,"Override Level Graphics:"       },
7663   { TYPE_YES_NO_AUTO,   &setup.override_level_sounds,   "Override Level Sounds:"        },
7664   { TYPE_YES_NO_AUTO,   &setup.override_level_music,    "Override Level Music:"         },
7665   { TYPE_EMPTY,         NULL,                           ""                              },
7666   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7667
7668   { 0,                  NULL,                           NULL                            }
7669 };
7670
7671 static struct TokenInfo setup_info_input[] =
7672 {
7673   { TYPE_SWITCH,        NULL,                           "Player:"                       },
7674   { TYPE_SWITCH,        NULL,                           "Device:"                       },
7675   { TYPE_SWITCH,        NULL,                           ""                              },
7676   { TYPE_SKIPPABLE,     NULL,                           ""                              },
7677   { TYPE_EMPTY,         NULL,                           ""                              },
7678   { TYPE_EMPTY,         NULL,                           ""                              },
7679   { TYPE_EMPTY,         NULL,                           ""                              },
7680   { TYPE_EMPTY,         NULL,                           ""                              },
7681   { TYPE_EMPTY,         NULL,                           ""                              },
7682   { TYPE_EMPTY,         NULL,                           ""                              },
7683   { TYPE_EMPTY,         NULL,                           ""                              },
7684   { TYPE_EMPTY,         NULL,                           ""                              },
7685   { TYPE_SKIPPABLE,     NULL,                           ""                              },
7686   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7687
7688   { 0,                  NULL,                           NULL                            }
7689 };
7690
7691 static struct TokenInfo setup_info_touch[] =
7692 {
7693   { TYPE_ENTER_LIST,    execSetupChooseTouchControls,   "Touch Control Type:"           },
7694   { TYPE_STRING,        &touch_controls_text,           ""                              },
7695   { TYPE_EMPTY,         NULL,                           ""                              },
7696   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7697
7698   { 0,                  NULL,                           NULL                            }
7699 };
7700
7701 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7702 {
7703   { TYPE_ENTER_LIST,    execSetupChooseTouchControls,   "Touch Control Type:"           },
7704   { TYPE_STRING,        &touch_controls_text,           ""                              },
7705   { TYPE_EMPTY,         NULL,                           ""                              },
7706   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0,     "Horizontal Buttons (Landscape):" },
7707   { TYPE_STRING,        &grid_size_text[0][0],          ""                              },
7708   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0,     "Vertical Buttons (Landscape):" },
7709   { TYPE_STRING,        &grid_size_text[0][1],          ""                              },
7710   { TYPE_ENTER_LIST,    execSetupChooseTransparency,    "Button Transparency:"          },
7711   { TYPE_STRING,        &transparency_text,             ""                              },
7712   { TYPE_SWITCH,        &setup.touch.draw_outlined,     "Draw Buttons Outlined:"        },
7713   { TYPE_SWITCH,        &setup.touch.draw_pressed,      "Highlight Pressed Buttons:"    },
7714   { TYPE_EMPTY,         NULL,                           ""                              },
7715   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons"   },
7716   { TYPE_EMPTY,         NULL,                           ""                              },
7717   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7718
7719   { 0,                  NULL,                           NULL                            }
7720 };
7721
7722 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7723 {
7724   { TYPE_ENTER_LIST,    execSetupChooseTouchControls,   "Touch Control Type:"           },
7725   { TYPE_STRING,        &touch_controls_text,           ""                              },
7726   { TYPE_EMPTY,         NULL,                           ""                              },
7727   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1,     "Horizontal Buttons (Portrait):" },
7728   { TYPE_STRING,        &grid_size_text[1][0],          ""                              },
7729   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1,     "Vertical Buttons (Portrait):"  },
7730   { TYPE_STRING,        &grid_size_text[1][1],          ""                              },
7731   { TYPE_ENTER_LIST,    execSetupChooseTransparency,    "Button Transparency:"          },
7732   { TYPE_STRING,        &transparency_text,             ""                              },
7733   { TYPE_SWITCH,        &setup.touch.draw_outlined,     "Draw Buttons Outlined:"        },
7734   { TYPE_SWITCH,        &setup.touch.draw_pressed,      "Highlight Pressed Buttons:"    },
7735   { TYPE_EMPTY,         NULL,                           ""                              },
7736   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons"   },
7737   { TYPE_EMPTY,         NULL,                           ""                              },
7738   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7739
7740   { 0,                  NULL,                           NULL                            }
7741 };
7742
7743 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7744 {
7745   setup_info_touch_virtual_buttons_0,
7746   setup_info_touch_virtual_buttons_1
7747 };
7748
7749 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7750 {
7751   { TYPE_ENTER_LIST,    execSetupChooseTouchControls,   "Touch Control Type:"           },
7752   { TYPE_STRING,        &touch_controls_text,           ""                              },
7753   { TYPE_EMPTY,         NULL,                           ""                              },
7754   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance,    "Move Trigger Distance:"        },
7755   { TYPE_STRING,        &move_distance_text,            ""                              },
7756   { TYPE_ENTER_LIST,    execSetupChooseDropDistance,    "Drop Trigger Distance:"        },
7757   { TYPE_STRING,        &drop_distance_text,            ""                              },
7758   { TYPE_EMPTY,         NULL,                           ""                              },
7759   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7760
7761   { 0,                  NULL,                           NULL                            }
7762 };
7763
7764 static struct TokenInfo setup_info_shortcuts[] =
7765 {
7766   { TYPE_ENTER_MENU,    execSetupShortcuts1,            "Various Keys"                  },
7767   { TYPE_ENTER_MENU,    execSetupShortcuts2,            "Player Focus"                  },
7768   { TYPE_ENTER_MENU,    execSetupShortcuts3,            "Tape Buttons"                  },
7769   { TYPE_ENTER_MENU,    execSetupShortcuts4,            "Sound & Music"                 },
7770   { TYPE_ENTER_MENU,    execSetupShortcuts5,            "TAS Snap Keys"                 },
7771   { TYPE_EMPTY,         NULL,                           ""                              },
7772   { TYPE_LEAVE_MENU,    execSetupMain,                  "Back"                          },
7773
7774   { 0,                  NULL,                           NULL                            }
7775 };
7776
7777 static struct TokenInfo setup_info_shortcuts_1[] =
7778 {
7779   { TYPE_KEYTEXT,       NULL,                           "Quick Save Game to Tape:"      },
7780   { TYPE_KEY,           &setup.shortcut.save_game,      ""                              },
7781   { TYPE_KEYTEXT,       NULL,                           "Quick Load Game from Tape:"    },
7782   { TYPE_KEY,           &setup.shortcut.load_game,      ""                              },
7783   { TYPE_KEYTEXT,       NULL,                           "Restart Game:"                 },
7784   { TYPE_KEY,           &setup.shortcut.restart_game,   ""                              },
7785   { TYPE_KEYTEXT,       NULL,                           "Replay & Pause Before End:"    },
7786   { TYPE_KEY,           &setup.shortcut.pause_before_end, ""                            },
7787   { TYPE_KEYTEXT,       NULL,                           "Start Game & Toggle Pause:"    },
7788   { TYPE_KEY,           &setup.shortcut.toggle_pause,   ""                              },
7789   { TYPE_EMPTY,         NULL,                           ""                              },
7790   { TYPE_YES_NO,        &setup.ask_on_escape,           "Ask on 'Esc' Key:"             },
7791   { TYPE_YES_NO, &setup.ask_on_escape_editor,           "Ask on 'Esc' Key (Editor):"    },
7792   { TYPE_EMPTY,         NULL,                           ""                              },
7793   { TYPE_LEAVE_MENU,    execSetupShortcuts,             "Back"                          },
7794
7795   { 0,                  NULL,                           NULL                            }
7796 };
7797
7798 static struct TokenInfo setup_info_shortcuts_2[] =
7799 {
7800   { TYPE_KEYTEXT,       NULL,                           "Set Focus to Player 1:"        },
7801   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""                             },
7802   { TYPE_KEYTEXT,       NULL,                           "Set Focus to Player 2:"        },
7803   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""                             },
7804   { TYPE_KEYTEXT,       NULL,                           "Set Focus to Player 3:"        },
7805   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""                             },
7806   { TYPE_KEYTEXT,       NULL,                           "Set Focus to Player 4:"        },
7807   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""                             },
7808   { TYPE_KEYTEXT,       NULL,                           "Set Focus to All Players:"     },
7809   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""                            },
7810   { TYPE_EMPTY,         NULL,                           ""                              },
7811   { TYPE_LEAVE_MENU,    execSetupShortcuts,             "Back"                          },
7812
7813   { 0,                  NULL,                           NULL                            }
7814 };
7815
7816 static struct TokenInfo setup_info_shortcuts_3[] =
7817 {
7818   { TYPE_KEYTEXT,       NULL,                           "Eject Tape:"                   },
7819   { TYPE_KEY,           &setup.shortcut.tape_eject,     ""                              },
7820   { TYPE_KEYTEXT,       NULL,                           "Warp / Single Step:"           },
7821   { TYPE_KEY,           &setup.shortcut.tape_extra,     ""                              },
7822   { TYPE_KEYTEXT,       NULL,                           "Stop Tape:"                    },
7823   { TYPE_KEY,           &setup.shortcut.tape_stop,      ""                              },
7824   { TYPE_KEYTEXT,       NULL,                           "Pause / Unpause Tape:"         },
7825   { TYPE_KEY,           &setup.shortcut.tape_pause,     ""                              },
7826   { TYPE_KEYTEXT,       NULL,                           "Record Tape:"                  },
7827   { TYPE_KEY,           &setup.shortcut.tape_record,    ""                              },
7828   { TYPE_KEYTEXT,       NULL,                           "Play Tape:"                    },
7829   { TYPE_KEY,           &setup.shortcut.tape_play,      ""                              },
7830   { TYPE_EMPTY,         NULL,                           ""                              },
7831   { TYPE_LEAVE_MENU,    execSetupShortcuts,             "Back"                          },
7832
7833   { 0,                  NULL,                           NULL                            }
7834 };
7835
7836 static struct TokenInfo setup_info_shortcuts_4[] =
7837 {
7838   { TYPE_KEYTEXT,       NULL,                           "Toggle Sound Effects (Normal):" },
7839   { TYPE_KEY,           &setup.shortcut.sound_simple,   ""                              },
7840   { TYPE_KEYTEXT,       NULL,                           "Toggle Sound Effects (Looping):" },
7841   { TYPE_KEY,           &setup.shortcut.sound_loops,    ""                              },
7842   { TYPE_KEYTEXT,       NULL,                           "Toggle Music:"                 },
7843   { TYPE_KEY,           &setup.shortcut.sound_music,    ""                              },
7844   { TYPE_EMPTY,         NULL,                           ""                              },
7845   { TYPE_LEAVE_MENU,    execSetupShortcuts,             "Back"                          },
7846
7847   { 0,                  NULL,                           NULL                            }
7848 };
7849
7850 static struct TokenInfo setup_info_shortcuts_5[] =
7851 {
7852   { TYPE_KEYTEXT,       NULL,                           "Snap Left:"                    },
7853   { TYPE_KEY,           &setup.shortcut.snap_left,      ""                              },
7854   { TYPE_KEYTEXT,       NULL,                           "Snap Right:"                   },
7855   { TYPE_KEY,           &setup.shortcut.snap_right,     ""                              },
7856   { TYPE_KEYTEXT,       NULL,                           "Snap Up:"                      },
7857   { TYPE_KEY,           &setup.shortcut.snap_up,        ""                              },
7858   { TYPE_KEYTEXT,       NULL,                           "Snap Down:"                    },
7859   { TYPE_KEY,           &setup.shortcut.snap_down,      ""                              },
7860   { TYPE_EMPTY,         NULL,                           ""                              },
7861   { TYPE_LEAVE_MENU,    execSetupShortcuts,             "Back"                          },
7862
7863   { 0,                  NULL,                           NULL                            }
7864 };
7865
7866 static Key getSetupKey(void)
7867 {
7868   Key key = KSYM_UNDEFINED;
7869   boolean got_key_event = FALSE;
7870
7871   while (!got_key_event)
7872   {
7873     Event event;
7874
7875     if (NextValidEvent(&event))
7876     {
7877       switch (event.type)
7878       {
7879         case EVENT_KEYPRESS:
7880           {
7881             key = GetEventKey((KeyEvent *)&event);
7882
7883             // press 'Escape' or 'Enter' to keep the existing key binding
7884             if (key == KSYM_Escape || key == KSYM_Return)
7885               key = KSYM_UNDEFINED;     // keep old value
7886
7887             got_key_event = TRUE;
7888           }
7889           break;
7890
7891         case EVENT_KEYRELEASE:
7892           key_joystick_mapping = 0;
7893           break;
7894
7895         default:
7896           HandleOtherEvents(&event);
7897           break;
7898       }
7899     }
7900
7901     BackToFront();
7902   }
7903
7904   return key;
7905 }
7906
7907 static int getSetupValueFont(int type, void *value)
7908 {
7909   if (type & TYPE_GHOSTED)
7910     return FONT_OPTION_OFF;
7911   else if (type & TYPE_KEY)
7912     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7913   else if (type & TYPE_STRING)
7914     return FONT_VALUE_2;
7915   else if (type & TYPE_ECS_AGA)
7916     return FONT_VALUE_1;
7917   else if (type & TYPE_BOOLEAN_STYLE)
7918     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7919   else if (type & TYPE_YES_NO_AUTO)
7920     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7921             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7922   else if (type & TYPE_PLAYER)
7923     return FONT_VALUE_1;
7924   else
7925     return FONT_VALUE_1;
7926 }
7927
7928 static int getSetupValueFontNarrow(int type, int font_nr)
7929 {
7930   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7931           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7932           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7933           font_nr);
7934 }
7935
7936 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7937 {
7938   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7939   struct TokenInfo *si = &setup_info[si_pos];
7940   boolean font_draw_xoffset_modified = FALSE;
7941   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7942   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
7943   int mx_right_border = (scrollbar_needed ? mx_scrollbar : SX + SXSIZE);
7944   int font_draw_xoffset_old = -1;
7945   int xoffset = (scrollbar_needed ? 0 : 1);
7946   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7947   int xpos = menu_screen_value_xpos;
7948   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7949   int startx = mSX + xpos * 32;
7950   int starty = mSY + ypos * 32;
7951   int type = si->type;
7952   void *value = si->value;
7953   char *value_string = getSetupValue(type, value);
7954   int font_nr_default = getSetupValueFont(type, value);
7955   int font_width_default = getFontWidth(font_nr_default);
7956   int font_nr = font_nr_default;
7957
7958   if (value_string == NULL)
7959     return;
7960
7961   if (type & TYPE_KEY)
7962   {
7963     xpos = MENU_SCREEN_START_XPOS;
7964
7965     if (type & TYPE_QUERY)
7966       value_string = "<press key>";
7967   }
7968   else if (type & TYPE_STRING)
7969   {
7970     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7971
7972     xpos = MENU_SCREEN_START_XPOS;
7973
7974     if (strlen(value_string) > max_value_len)
7975       value_string[max_value_len] = '\0';
7976   }
7977   else if (type & TYPE_PLAYER)
7978   {
7979     int displayed_player_nr = *(int *)value + 1;
7980
7981     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7982   }
7983
7984   startx = mSX + xpos * 32;
7985   starty = mSY + ypos * 32;
7986
7987   // always use narrow font for setup values on right screen side
7988   if (xpos > MENU_SCREEN_START_XPOS)
7989     font_nr = getSetupValueFontNarrow(type, font_nr);
7990
7991   // downward compatibility correction for Juergen Bonhagen's menu settings
7992   if (setup_mode != SETUP_MODE_INPUT)
7993   {
7994     int max_menu_text_length_big = (menu_screen_value_xpos -
7995                                     MENU_SCREEN_START_XPOS);
7996     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7997     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7998     int font1_xoffset = getFontDrawOffsetX(font_nr);
7999     int font2_xoffset = getFontDrawOffsetX(check_font_nr);
8000     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
8001     int text_font_nr = getMenuTextFont(FONT_MENU_2);
8002     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
8003     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
8004     boolean correct_font_draw_xoffset = FALSE;
8005
8006     if (xpos == MENU_SCREEN_START_XPOS &&
8007         startx + font1_xoffset < text_startx + text_font_xoffset)
8008       correct_font_draw_xoffset = TRUE;
8009
8010     if (xpos == menu_screen_value_xpos &&
8011         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
8012       correct_font_draw_xoffset = TRUE;
8013
8014     // check if setup value would overlap with setup text when printed
8015     // (this can happen for extreme/wrong values for font draw offset)
8016     if (correct_font_draw_xoffset)
8017     {
8018       font_draw_xoffset_old = getFontDrawOffsetX(font_nr);
8019       font_draw_xoffset_modified = TRUE;
8020
8021       if (type & TYPE_KEY)
8022         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
8023       else if (!(type & TYPE_STRING))
8024         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
8025           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
8026     }
8027   }
8028
8029   DrawBackground(startx, starty, mx_right_border - startx, getFontHeight(font_nr));
8030   DrawText(startx, starty, value_string, font_nr);
8031
8032   if (type & TYPE_PLAYER)
8033   {
8034     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
8035     int player_nr = *(int *)value;
8036     int xoff = font->draw_xoffset + getFontWidth(font_nr);
8037     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
8038     int startx2 = startx + xoff;
8039     int starty2 = starty + yoff;
8040
8041     if (DrawingOnBackground(startx2, starty2))
8042       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
8043
8044     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
8045                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8046   }
8047
8048   if (font_draw_xoffset_modified)
8049     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
8050 }
8051
8052 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
8053 {
8054   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
8055   struct TokenInfo *si = &setup_info[si_pos];
8056
8057   if (si->type & TYPE_BOOLEAN_STYLE)
8058   {
8059     *(boolean *)si->value ^= TRUE;
8060   }
8061   else if (si->type & TYPE_YES_NO_AUTO)
8062   {
8063     *(int *)si->value =
8064       (dx == -1 ?
8065        (*(int *)si->value == AUTO ? TRUE :
8066         *(int *)si->value == TRUE ? FALSE : AUTO) :
8067        (*(int *)si->value == TRUE ? AUTO :
8068         *(int *)si->value == AUTO ? FALSE : TRUE));
8069   }
8070   else if (si->type & TYPE_KEY)
8071   {
8072     Key key;
8073
8074     si->type |= TYPE_QUERY;
8075     drawSetupValue(screen_pos, setup_info_pos_raw);
8076     si->type &= ~TYPE_QUERY;
8077
8078     key = getSetupKey();
8079     if (key != KSYM_UNDEFINED)
8080       *(Key *)si->value = key;
8081   }
8082   else if (si->type & TYPE_PLAYER)
8083   {
8084     int player_nr = *(int *)si->value;
8085
8086     if (dx)
8087       player_nr += dx;
8088     else
8089       player_nr = Request("Choose player", REQ_PLAYER) - 1;
8090
8091     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
8092   }
8093
8094   drawSetupValue(screen_pos, setup_info_pos_raw);
8095
8096   // fullscreen state may have changed at this point
8097   if (si->value == &setup.fullscreen)
8098     ToggleFullscreenIfNeeded();
8099
8100   // network mode may have changed at this point
8101   if (si->value == &setup.network_mode)
8102     ToggleNetworkModeIfNeeded();
8103
8104   // API server mode may have changed at this point
8105   if (si->value == &setup.use_api_server)
8106     ToggleUseApiServerIfNeeded();
8107
8108   // game speed list may have changed at this point
8109   if (si->value == &setup.game_speed_extended)
8110     ToggleGameSpeedsListIfNeeded();
8111 }
8112
8113 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
8114 {
8115   static struct TokenInfo *setup_info_final = NULL;
8116   int list_size = 0;
8117   int list_pos = 0;
8118   int i;
8119
8120   // determine maximum list size of target list
8121   while (setup_info_orig[list_size++].type != 0);
8122
8123   // free, allocate and clear memory for target list
8124   checked_free(setup_info_final);
8125   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
8126
8127   // copy setup info list without setup entries marked as hidden
8128   for (i = 0; setup_info_orig[i].type != 0; i++)
8129   {
8130     // skip setup entries configured to be hidden
8131     if (hideSetupEntry(setup_info_orig[i].value))
8132       continue;
8133
8134     // skip skippable setup entries if screen is lower than usual
8135     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
8136         setup_info_orig[i].type == TYPE_SKIPPABLE)
8137       continue;
8138
8139     setup_info_final[list_pos++] = setup_info_orig[i];
8140   }
8141
8142   return setup_info_final;
8143 }
8144
8145 static void DrawSetupScreen_Generic(void)
8146 {
8147   int fade_mask = REDRAW_FIELD;
8148   boolean redraw_all = FALSE;
8149   char *title_string = NULL;
8150   int i;
8151
8152   if (CheckFadeAll())
8153     fade_mask = REDRAW_ALL;
8154
8155   UnmapAllGadgets();
8156   FadeMenuSoundsAndMusic();
8157
8158   FreeScreenGadgets();
8159   CreateScreenGadgets();
8160
8161   if (redraw_mask & REDRAW_ALL)
8162     redraw_all = TRUE;
8163
8164   FadeOut(fade_mask);
8165
8166   // needed if different viewport properties defined for setup screen
8167   ChangeViewportPropertiesIfNeeded();
8168
8169   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
8170
8171   ClearField();
8172
8173   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
8174
8175   if (setup_mode == SETUP_MODE_MAIN)
8176   {
8177     setup_info = setup_info_main;
8178     title_string = STR_SETUP_MAIN;
8179   }
8180   else if (setup_mode == SETUP_MODE_GAME)
8181   {
8182     setup_info = setup_info_game;
8183     title_string = STR_SETUP_GAME;
8184   }
8185   else if (setup_mode == SETUP_MODE_ENGINES)
8186   {
8187     setup_info = setup_info_engines;
8188     title_string = STR_SETUP_ENGINES;
8189   }
8190   else if (setup_mode == SETUP_MODE_EDITOR)
8191   {
8192     setup_info = setup_info_editor;
8193     title_string = STR_SETUP_EDITOR;
8194   }
8195   else if (setup_mode == SETUP_MODE_GRAPHICS)
8196   {
8197     setup_info = setup_info_graphics;
8198     title_string = STR_SETUP_GRAPHICS;
8199   }
8200   else if (setup_mode == SETUP_MODE_SOUND)
8201   {
8202     setup_info = setup_info_sound;
8203     title_string = STR_SETUP_SOUND;
8204   }
8205   else if (setup_mode == SETUP_MODE_ARTWORK)
8206   {
8207     setup_info = setup_info_artwork;
8208     title_string = STR_SETUP_ARTWORK;
8209   }
8210   else if (setup_mode == SETUP_MODE_TOUCH)
8211   {
8212     setup_info = setup_info_touch;
8213     title_string = STR_SETUP_TOUCH;
8214
8215     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
8216       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
8217     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
8218       setup_info = setup_info_touch_wipe_gestures;
8219   }
8220   else if (setup_mode == SETUP_MODE_SHORTCUTS)
8221   {
8222     setup_info = setup_info_shortcuts;
8223     title_string = STR_SETUP_SHORTCUTS;
8224   }
8225   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
8226   {
8227     setup_info = setup_info_shortcuts_1;
8228     title_string = STR_SETUP_SHORTCUTS;
8229   }
8230   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
8231   {
8232     setup_info = setup_info_shortcuts_2;
8233     title_string = STR_SETUP_SHORTCUTS;
8234   }
8235   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
8236   {
8237     setup_info = setup_info_shortcuts_3;
8238     title_string = STR_SETUP_SHORTCUTS;
8239   }
8240   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
8241   {
8242     setup_info = setup_info_shortcuts_4;
8243     title_string = STR_SETUP_SHORTCUTS;
8244   }
8245   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
8246   {
8247     setup_info = setup_info_shortcuts_5;
8248     title_string = STR_SETUP_SHORTCUTS;
8249   }
8250
8251   // use modified setup info without setup entries marked as hidden
8252   setup_info = getSetupInfoFinal(setup_info);
8253
8254   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
8255
8256   // determine maximal number of setup entries that can be displayed on screen
8257   num_setup_info = 0;
8258   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
8259     num_setup_info++;
8260
8261   // determine maximal number of setup entries available for this setup screen
8262   max_setup_info = 0;
8263   for (i = 0; setup_info[i].type != 0; i++)
8264     max_setup_info++;
8265
8266   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
8267
8268   MapScreenGadgets(max_setup_info);
8269
8270   if (redraw_all)
8271     redraw_mask = fade_mask = REDRAW_ALL;
8272
8273   DrawMaskedBorder(fade_mask);
8274
8275   FadeIn(fade_mask);
8276 }
8277
8278 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
8279 {
8280   menu_info = setup_info;
8281
8282   HandleMenuScreen(mx, my, dx, dy, button,
8283                    setup_mode, num_setup_info, max_setup_info);
8284 }
8285
8286 static void DrawSetupScreen_Input(void)
8287 {
8288   int i;
8289
8290   FadeOut(REDRAW_FIELD);
8291
8292   ClearField();
8293
8294   setup_info = getSetupInfoFinal(setup_info_input);
8295
8296   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
8297
8298   for (i = 0; setup_info[i].type != 0; i++)
8299   {
8300     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
8301       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
8302     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
8303       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
8304     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
8305       initCursor(i, IMG_MENU_BUTTON);
8306
8307     DrawCursorAndText_Setup(i, -1, FALSE);
8308   }
8309
8310   // create gadgets for setup input menu screen
8311   FreeScreenGadgets();
8312   CreateScreenGadgets();
8313
8314   // map gadgets for setup input menu screen
8315   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
8316
8317   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
8318
8319   FadeIn(REDRAW_FIELD);
8320 }
8321
8322 static void setJoystickDeviceToNr(char *device_name, int device_nr)
8323 {
8324   if (device_name == NULL)
8325     return;
8326
8327   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
8328     device_nr = 0;
8329
8330   if (strlen(device_name) > 1)
8331   {
8332     char c1 = device_name[strlen(device_name) - 1];
8333     char c2 = device_name[strlen(device_name) - 2];
8334
8335     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
8336       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
8337   }
8338   else
8339     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
8340             strlen(device_name));
8341 }
8342
8343 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
8344 {
8345   int i;
8346   static struct SetupKeyboardInfo custom_key;
8347   static struct
8348   {
8349     Key *key;
8350     char *text;
8351   } custom[] =
8352   {
8353     { &custom_key.left,  "Axis/Pad Left"  },
8354     { &custom_key.right, "Axis/Pad Right" },
8355     { &custom_key.up,    "Axis/Pad Up"    },
8356     { &custom_key.down,  "Axis/Pad Down"  },
8357     { &custom_key.snap,  "Button 1/A/X"   },
8358     { &custom_key.drop,  "Button 2/B/Y"   }
8359   };
8360   static char *joystick_name[MAX_PLAYERS] =
8361   {
8362     "Joystick1",
8363     "Joystick2",
8364     "Joystick3",
8365     "Joystick4"
8366   };
8367   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
8368   int font_nr_info = FONT_MENU_1;
8369   int font_nr_name = FONT_VALUE_OLD;
8370   int font_nr_on   = FONT_VALUE_1;
8371   int font_nr_off  = FONT_VALUE_OLD;
8372   int pos = 4;
8373
8374   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8375   {
8376     font_nr_info = FONT_MENU_2;
8377     font_nr_on   = FONT_VALUE_NARROW;
8378     font_nr_off  = FONT_VALUE_OLD_NARROW;
8379   }
8380
8381   custom_key = setup.input[player_nr].key;
8382
8383   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
8384            FONT_INPUT_1_ACTIVE);
8385
8386   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8387                              TILEX, TILEY);
8388   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8389                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8390
8391   if (setup.input[player_nr].use_joystick)
8392   {
8393     char *device_name = setup.input[player_nr].joy.device_name;
8394     int joystick_nr = getJoystickNrFromDeviceName(device_name);
8395     boolean joystick_active = CheckJoystickOpened(joystick_nr);
8396     char *text = joystick_name[joystick_nr];
8397     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
8398
8399     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
8400     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
8401   }
8402   else
8403   {
8404     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
8405     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
8406   }
8407
8408   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
8409     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
8410   else
8411     pos = 3;
8412
8413   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
8414   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
8415   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
8416   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
8417
8418   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
8419   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
8420   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
8421   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
8422   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
8423   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
8424
8425   for (i = 0; i < 6; i++)
8426   {
8427     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
8428
8429     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8430              "              ", font_nr_on);
8431     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8432              (setup.input[player_nr].use_joystick ?
8433               custom[i].text :
8434               getKeyNameFromKey(*custom[i].key)), font_nr_on);
8435   }
8436 }
8437
8438 static int input_player_nr = 0;
8439
8440 static void HandleSetupScreen_Input_Player(int step, int direction)
8441 {
8442   int old_player_nr = input_player_nr;
8443   int new_player_nr;
8444
8445   new_player_nr = old_player_nr + step * direction;
8446   if (new_player_nr < 0)
8447     new_player_nr = 0;
8448   if (new_player_nr > MAX_PLAYERS - 1)
8449     new_player_nr = MAX_PLAYERS - 1;
8450
8451   if (new_player_nr != old_player_nr)
8452   {
8453     input_player_nr = new_player_nr;
8454
8455     drawPlayerSetupInputInfo(input_player_nr, FALSE);
8456   }
8457 }
8458
8459 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
8460 {
8461   static int choice = 0;
8462   int x = 0;
8463   int y = choice;
8464   int pos_start  = SETUPINPUT_SCREEN_POS_START;
8465   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
8466   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
8467   int pos_end    = SETUPINPUT_SCREEN_POS_END;
8468
8469   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
8470   {
8471     int i;
8472
8473     for (i = 0; setup_info_input[i].type != 0; i++)
8474     {
8475       // adjust menu structure according to skipped setup entries
8476       if (setup_info_input[i].type == TYPE_SKIPPABLE)
8477       {
8478         pos_empty2--;
8479         pos_end--;
8480       }
8481     }
8482   }
8483
8484   if (button == MB_MENU_INITIALIZE)
8485   {
8486     // input setup menu may have changed size due to graphics configuration
8487     if (choice >= pos_empty1)
8488       choice = pos_end;
8489
8490     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
8491
8492     DrawCursorAndText_Setup(choice, -1, TRUE);
8493
8494     return;
8495   }
8496   else if (button == MB_MENU_LEAVE)
8497   {
8498     setup_mode = SETUP_MODE_MAIN;
8499     DrawSetupScreen();
8500     InitJoysticks();
8501
8502     return;
8503   }
8504
8505   if (mx || my)         // mouse input
8506   {
8507     x = (mx - mSX) / 32;
8508     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
8509   }
8510   else if (dx || dy)    // keyboard input
8511   {
8512     if (dx && choice == 0)
8513       x = (dx < 0 ? 10 : 12);
8514     else if ((dx && choice == 1) ||
8515              (dx == -1 && choice == pos_end))
8516       button = MB_MENU_CHOICE;
8517     else if (dy)
8518       y = choice + dy;
8519
8520     if (y >= pos_empty1 && y <= pos_empty2)
8521       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8522   }
8523
8524   if (y == 0 && dx != 0 && button)
8525   {
8526     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8527   }
8528   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8529            y >= pos_start && y <= pos_end &&
8530            !(y >= pos_empty1 && y <= pos_empty2))
8531   {
8532     if (button)
8533     {
8534       if (y != choice)
8535       {
8536         DrawCursorAndText_Setup(choice, -1, FALSE);
8537         DrawCursorAndText_Setup(y, -1, TRUE);
8538
8539         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8540
8541         choice = y;
8542       }
8543     }
8544     else
8545     {
8546       if (y == 1)
8547       {
8548         char *device_name = setup.input[input_player_nr].joy.device_name;
8549
8550         if (!setup.input[input_player_nr].use_joystick)
8551         {
8552           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8553
8554           setJoystickDeviceToNr(device_name, new_device_nr);
8555           setup.input[input_player_nr].use_joystick = TRUE;
8556         }
8557         else
8558         {
8559           int device_nr = getJoystickNrFromDeviceName(device_name);
8560           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8561
8562           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8563             setup.input[input_player_nr].use_joystick = FALSE;
8564           else
8565             setJoystickDeviceToNr(device_name, new_device_nr);
8566         }
8567
8568         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8569       }
8570       else if (y == 2)
8571       {
8572         if (setup.input[input_player_nr].use_joystick)
8573           ConfigureJoystick(input_player_nr);
8574         else
8575           CustomizeKeyboard(input_player_nr);
8576       }
8577       else if (y == pos_end)
8578       {
8579         InitJoysticks();
8580
8581         FadeSetLeaveMenu();
8582
8583         setup_mode = SETUP_MODE_MAIN;
8584         DrawSetupScreen();
8585       }
8586     }
8587   }
8588 }
8589
8590 static boolean CustomizeKeyboardMain(int player_nr)
8591 {
8592   int i;
8593   int step_nr;
8594   boolean finished = FALSE;
8595   static struct SetupKeyboardInfo custom_key;
8596   static struct
8597   {
8598     Key *key;
8599     char *text;
8600   } customize_step[] =
8601   {
8602     { &custom_key.left,  "Move Left"    },
8603     { &custom_key.right, "Move Right"   },
8604     { &custom_key.up,    "Move Up"      },
8605     { &custom_key.down,  "Move Down"    },
8606     { &custom_key.snap,  "Snap Field"   },
8607     { &custom_key.drop,  "Drop Element" }
8608   };
8609   int font_nr_old = FONT_VALUE_OLD;
8610   int font_nr_new = FONT_VALUE_1;
8611   boolean success = FALSE;
8612
8613   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8614   {
8615     font_nr_old = FONT_VALUE_OLD_NARROW;
8616     font_nr_new = FONT_VALUE_NARROW;
8617   }
8618
8619   // read existing key bindings from player setup
8620   custom_key = setup.input[player_nr].key;
8621
8622   FadeSetEnterMenu();
8623   FadeOut(REDRAW_FIELD);
8624
8625   ClearField();
8626
8627   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8628
8629   step_nr = 0;
8630   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8631            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8632   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8633            "Key:", FONT_INPUT_1_ACTIVE);
8634   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8635            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8636
8637   FadeIn(REDRAW_FIELD);
8638
8639   while (!finished)
8640   {
8641     Event event;
8642     DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8643
8644     // reset frame delay counter directly after updating screen
8645     ResetDelayCounter(&event_frame_delay);
8646
8647     while (NextValidEvent(&event))
8648     {
8649       switch (event.type)
8650       {
8651         case EVENT_KEYPRESS:
8652           {
8653             Key key = GetEventKey((KeyEvent *)&event);
8654
8655             // press 'Escape' to abort and keep the old key bindings
8656             if (key == KSYM_Escape)
8657             {
8658               FadeSkipNextFadeIn();
8659
8660               finished = TRUE;
8661
8662               break;
8663             }
8664
8665             // press 'Enter' to keep the existing key binding
8666             if (key == KSYM_Return)
8667               key = *customize_step[step_nr].key;
8668
8669             // check if key already used
8670             for (i = 0; i < step_nr; i++)
8671               if (*customize_step[i].key == key)
8672                 break;
8673             if (i < step_nr)
8674               break;
8675
8676             // got new key binding
8677             *customize_step[step_nr].key = key;
8678             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8679                      "             ", font_nr_new);
8680             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8681                      getKeyNameFromKey(key), font_nr_new);
8682             step_nr++;
8683
8684             // un-highlight last query
8685             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8686                      customize_step[step_nr - 1].text, FONT_MENU_1);
8687             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8688                      "Key:", FONT_MENU_1);
8689
8690             // all keys configured
8691             if (step_nr == 6)
8692             {
8693               finished = TRUE;
8694               success = TRUE;
8695
8696               break;
8697             }
8698
8699             // query next key binding
8700             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8701                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8702             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8703                      "Key:", FONT_INPUT_1_ACTIVE);
8704             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8705                      getKeyNameFromKey(*customize_step[step_nr].key),
8706                      font_nr_old);
8707           }
8708           break;
8709
8710         case EVENT_KEYRELEASE:
8711           key_joystick_mapping = 0;
8712           break;
8713
8714         default:
8715           HandleOtherEvents(&event);
8716           break;
8717       }
8718
8719       // do not handle events for longer than standard frame delay period
8720       if (DelayReached(&event_frame_delay))
8721         break;
8722     }
8723
8724     BackToFront();
8725   }
8726
8727   // write new key bindings back to player setup, if successfully finished
8728   if (success)
8729     setup.input[player_nr].key = custom_key;
8730
8731   return success;
8732 }
8733
8734 void CustomizeKeyboard(int player_nr)
8735 {
8736   boolean success = CustomizeKeyboardMain(player_nr);
8737
8738   if (success)
8739   {
8740     int font_nr = FONT_TITLE_1;
8741     int font_height = getFontHeight(font_nr);
8742     int ypos1 = SYSIZE / 2 - font_height * 2;
8743     int ypos2 = SYSIZE / 2 - font_height * 1;
8744     DelayCounter wait_frame_delay = { 2000 };
8745
8746     ResetDelayCounter(&wait_frame_delay);
8747
8748     ClearField();
8749
8750     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8751     DrawTextSCentered(ypos2, font_nr, "configured!");
8752
8753     while (!DelayReached(&wait_frame_delay))
8754       BackToFront();
8755
8756     ClearEventQueue();
8757   }
8758
8759   DrawSetupScreen_Input();
8760 }
8761
8762 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8763
8764 #define MARKER_BUTTON           1
8765 #define MARKER_AXIS_X           2
8766 #define MARKER_AXIS_Y           3
8767
8768 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8769 {
8770   static boolean bitmaps_initialized = FALSE;
8771   boolean screen_initialized = FALSE;
8772   static Bitmap *controller, *button, *axis_x, *axis_y;
8773   char *name;
8774   boolean success = TRUE;
8775   boolean done = FALSE, next = FALSE;
8776   Event event;
8777   int alpha = 200, alpha_step = -1;
8778   int alpha_ticks = 0;
8779   char mapping[4096], temp[256];
8780   int font_name = MENU_SETUP_FONT_TITLE;
8781   int font_info = MENU_SETUP_FONT_TEXT;
8782   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8783   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8784   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8785   int ystep_name = getMenuTextStep(spacing_name, font_name);
8786   int ystep_line = getMenuTextStep(spacing_line, font_info);
8787   int ystep_para = getMenuTextStep(spacing_para, font_info);
8788   int i, j;
8789
8790   struct
8791   {
8792     int x, y;
8793     int marker;
8794     char *field;
8795     int axis, button, hat, hat_value;
8796     char mapping[4096];
8797   }
8798   *step, *prev_step, steps[] =
8799   {
8800     { 356, 155, MARKER_BUTTON, "a",             },
8801     { 396, 122, MARKER_BUTTON, "b",             },
8802     { 320, 125, MARKER_BUTTON, "x",             },
8803     { 358,  95, MARKER_BUTTON, "y",             },
8804     { 162, 125, MARKER_BUTTON, "back",          },
8805     { 216, 125, MARKER_BUTTON, "guide",         },
8806     { 271, 125, MARKER_BUTTON, "start",         },
8807     { 110, 200, MARKER_BUTTON, "dpleft",        },
8808     { 146, 228, MARKER_BUTTON, "dpdown",        },
8809     { 178, 200, MARKER_BUTTON, "dpright",       },
8810     { 146, 172, MARKER_BUTTON, "dpup",          },
8811     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8812     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8813     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8814     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8815     {  73, 141, MARKER_BUTTON, "leftstick",     },
8816     { 282, 210, MARKER_BUTTON, "rightstick",    },
8817     {  73, 141, MARKER_AXIS_X, "leftx",         },
8818     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8819     { 282, 210, MARKER_AXIS_X, "rightx",        },
8820     { 282, 210, MARKER_AXIS_Y, "righty",        },
8821   };
8822
8823   if (!bitmaps_initialized)
8824   {
8825     controller = LoadCustomImage("joystick/controller.png");
8826     button     = LoadCustomImage("joystick/button.png");
8827     axis_x     = LoadCustomImage("joystick/axis_x.png");
8828     axis_y     = LoadCustomImage("joystick/axis_y.png");
8829
8830     bitmaps_initialized = TRUE;
8831   }
8832
8833   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8834
8835 #if DEBUG_JOYSTICKS
8836   // print info about the joystick we are watching
8837   Debug("joystick", "watching joystick %d: (%s)",
8838         SDL_JoystickInstanceID(joystick), name);
8839   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8840         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8841         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8842 #endif
8843
8844   // initialize mapping with GUID and name
8845   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8846
8847   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8848            temp, name, SDL_GetPlatform());
8849
8850   // loop through all steps (buttons and axes), getting joystick events
8851   for (i = 0; i < SDL_arraysize(steps) && !done;)
8852   {
8853     Bitmap *marker = button;    // initialize with reliable default value
8854
8855     step = &steps[i];
8856     strcpy(step->mapping, mapping);
8857     step->axis = -1;
8858     step->button = -1;
8859     step->hat = -1;
8860     step->hat_value = -1;
8861
8862     marker = (step->marker == MARKER_BUTTON ? button :
8863               step->marker == MARKER_AXIS_X ? axis_x :
8864               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8865
8866     next = FALSE;
8867
8868     while (!done && !next)
8869     {
8870       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8871       alpha_ticks = SDL_GetTicks();
8872
8873       if (alpha >= 255)
8874       {
8875         alpha = 255;
8876         alpha_step = -1;
8877       }
8878       else if (alpha < 128)
8879       {
8880         alpha = 127;
8881         alpha_step = 1;
8882       }
8883
8884       int controller_x = SX + (SXSIZE - controller->width) / 2;
8885       int controller_y = SY + ystep_line;
8886
8887       int marker_x = controller_x + step->x;
8888       int marker_y = controller_y + step->y;
8889
8890       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8891       int ystart2 = ystart1 + ystep_name + ystep_line;
8892
8893       ClearField();
8894
8895       DrawTextSCentered(ystart1, font_name, name);
8896
8897       DrawTextSCentered(ystart2, font_info,
8898                         "Press buttons and move axes on");
8899       ystart2 += ystep_line;
8900       DrawTextSCentered(ystart2, font_info,
8901                         "your controller when indicated.");
8902       ystart2 += ystep_line;
8903       DrawTextSCentered(ystart2, font_info,
8904                         "(Your controller may look different.)");
8905       ystart2 += ystep_para;
8906
8907 #if defined(PLATFORM_ANDROID)
8908       DrawTextSCentered(ystart2, font_info,
8909                         "To correct a mistake,");
8910       ystart2 += ystep_line;
8911       DrawTextSCentered(ystart2, font_info,
8912                         "press the 'back' button.");
8913       ystart2 += ystep_line;
8914       DrawTextSCentered(ystart2, font_info,
8915                         "To skip a button or axis,");
8916       ystart2 += ystep_line;
8917       DrawTextSCentered(ystart2, font_info,
8918                         "press the 'menu' button.");
8919 #else
8920       DrawTextSCentered(ystart2, font_info,
8921                         "To correct a mistake,");
8922       ystart2 += ystep_line;
8923       DrawTextSCentered(ystart2, font_info,
8924                         "press the 'backspace' key.");
8925       ystart2 += ystep_line;
8926       DrawTextSCentered(ystart2, font_info,
8927                         "To skip a button or axis,");
8928       ystart2 += ystep_line;
8929       DrawTextSCentered(ystart2, font_info,
8930                         "press the 'return' key.");
8931       ystart2 += ystep_line;
8932       DrawTextSCentered(ystart2, font_info,
8933                         "To exit, press the 'escape' key.");
8934 #endif
8935
8936       BlitBitmapMasked(controller, drawto, 0, 0,
8937                        controller->width, controller->height,
8938                        controller_x, controller_y);
8939
8940       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8941       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8942
8943       BlitBitmapMasked(marker, drawto, 0, 0,
8944                        marker->width, marker->height,
8945                        marker_x, marker_y);
8946
8947       if (!screen_initialized)
8948         FadeIn(REDRAW_FIELD);
8949       else
8950         BackToFront();
8951
8952       screen_initialized = TRUE;
8953
8954       DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8955
8956       // reset frame delay counter directly after updating screen
8957       ResetDelayCounter(&event_frame_delay);
8958
8959       while (NextValidEvent(&event))
8960       {
8961         switch (event.type)
8962         {
8963           case SDL_JOYAXISMOTION:
8964             if (event.jaxis.value > 20000 ||
8965                 event.jaxis.value < -20000)
8966             {
8967               for (j = 0; j < i; j++)
8968                 if (steps[j].axis == event.jaxis.axis)
8969                   break;
8970
8971               if (j == i)
8972               {
8973                 if (step->marker != MARKER_AXIS_X &&
8974                     step->marker != MARKER_AXIS_Y)
8975                   break;
8976
8977                 step->axis = event.jaxis.axis;
8978                 strcat(mapping, step->field);
8979                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8980                 strcat(mapping, temp);
8981                 i++;
8982                 next = TRUE;
8983               }
8984             }
8985
8986             break;
8987
8988           case SDL_JOYHATMOTION:
8989             // ignore centering; we're probably just coming back
8990             // to the center from the previous item we set
8991             if (event.jhat.value == SDL_HAT_CENTERED)
8992               break;
8993
8994             for (j = 0; j < i; j++)
8995               if (steps[j].hat == event.jhat.hat &&
8996                   steps[j].hat_value == event.jhat.value)
8997                 break;
8998
8999             if (j == i)
9000             {
9001               step->hat = event.jhat.hat;
9002               step->hat_value = event.jhat.value;
9003               strcat(mapping, step->field);
9004               snprintf(temp, sizeof(temp), ":h%u.%u,",
9005                        event.jhat.hat, event.jhat.value );
9006               strcat(mapping, temp);
9007               i++;
9008               next = TRUE;
9009             }
9010
9011             break;
9012
9013           case SDL_JOYBALLMOTION:
9014             break;
9015
9016           case SDL_JOYBUTTONUP:
9017             for (j = 0; j < i; j++)
9018               if (steps[j].button == event.jbutton.button)
9019                 break;
9020
9021             if (j == i)
9022             {
9023               step->button = event.jbutton.button;
9024               strcat(mapping, step->field);
9025               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
9026               strcat(mapping, temp);
9027               i++;
9028               next = TRUE;
9029             }
9030
9031             break;
9032
9033           case SDL_FINGERDOWN:
9034           case SDL_MOUSEBUTTONDOWN:
9035             // skip this step
9036             i++;
9037             next = TRUE;
9038
9039             break;
9040
9041           case SDL_KEYDOWN:
9042             if (event.key.keysym.sym == KSYM_BackSpace ||
9043                 event.key.keysym.sym == KSYM_Back)
9044             {
9045               if (i == 0)
9046               {
9047                 // leave screen
9048                 success = FALSE;
9049                 done = TRUE;
9050
9051                 break;
9052               }
9053
9054               // undo this step
9055               prev_step = &steps[i - 1];
9056               strcpy(mapping, prev_step->mapping);
9057               i--;
9058               next = TRUE;
9059
9060               break;
9061             }
9062
9063             if (event.key.keysym.sym == KSYM_space ||
9064                 event.key.keysym.sym == KSYM_Return ||
9065                 event.key.keysym.sym == KSYM_Menu)
9066             {
9067               // skip this step
9068               i++;
9069               next = TRUE;
9070
9071               break;
9072             }
9073
9074             if (event.key.keysym.sym == KSYM_Escape)
9075             {
9076               // leave screen
9077               success = FALSE;
9078               done = TRUE;
9079             }
9080
9081             break;
9082
9083           case SDL_QUIT:
9084             program.exit_function(0);
9085             break;
9086
9087           default:
9088             break;
9089         }
9090
9091         // do not handle events for longer than standard frame delay period
9092         if (DelayReached(&event_frame_delay))
9093           break;
9094       }
9095     }
9096   }
9097
9098   if (success)
9099   {
9100 #if DEBUG_JOYSTICKS
9101     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
9102 #endif
9103
9104     // activate mapping for this game
9105     SDL_GameControllerAddMapping(mapping);
9106
9107     // save mapping to personal mappings
9108     SaveSetup_AddGameControllerMapping(mapping);
9109   }
9110
9111   // wait until the last pending event was removed from event queue
9112   while (NextValidEvent(&event));
9113
9114   return success;
9115 }
9116
9117 static int ConfigureJoystickMain(int player_nr)
9118 {
9119   char *device_name = setup.input[player_nr].joy.device_name;
9120   int joystick_nr = getJoystickNrFromDeviceName(device_name);
9121   boolean joystick_active = CheckJoystickOpened(joystick_nr);
9122   int success = FALSE;
9123   int i;
9124
9125   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
9126     return JOYSTICK_NOT_AVAILABLE;
9127
9128   if (!joystick_active || !setup.input[player_nr].use_joystick)
9129     return JOYSTICK_NOT_AVAILABLE;
9130
9131   FadeSetEnterMenu();
9132   FadeOut(REDRAW_FIELD);
9133
9134   // close all joystick devices (potentially opened as game controllers)
9135   for (i = 0; i < SDL_NumJoysticks(); i++)
9136     SDLCloseJoystick(i);
9137
9138   // open joystick device as plain joystick to configure as game controller
9139   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
9140
9141   // as the joystick was successfully opened before, this should not happen
9142   if (joystick == NULL)
9143     return FALSE;
9144
9145   // create new game controller mapping (buttons and axes) for joystick device
9146   success = ConfigureJoystickMapButtonsAndAxes(joystick);
9147
9148   // close joystick (and maybe re-open as configured game controller later)
9149   SDL_JoystickClose(joystick);
9150
9151   // re-open all joystick devices (potentially as game controllers)
9152   for (i = 0; i < SDL_NumJoysticks(); i++)
9153     SDLOpenJoystick(i);
9154
9155   // clear all joystick input actions for all joystick devices
9156   SDLClearJoystickState();
9157
9158   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
9159 }
9160
9161 void ConfigureJoystick(int player_nr)
9162 {
9163   boolean state = ConfigureJoystickMain(player_nr);
9164
9165   if (state != JOYSTICK_NOT_CONFIGURED)
9166   {
9167     boolean success = (state == JOYSTICK_CONFIGURED);
9168     char message1[MAX_OUTPUT_LINESIZE + 1];
9169     char *message2 = (success ? "configured!" : "not available!");
9170     char *device_name = setup.input[player_nr].joy.device_name;
9171     int nr = getJoystickNrFromDeviceName(device_name) + 1;
9172     int font_nr = FONT_TITLE_1;
9173     int font_height = getFontHeight(font_nr);
9174     int ypos1 = SYSIZE / 2 - font_height * 2;
9175     int ypos2 = SYSIZE / 2 - font_height * 1;
9176     DelayCounter wait_frame_delay = { 2000 };
9177
9178     ResetDelayCounter(&wait_frame_delay);
9179
9180     ClearField();
9181
9182     sprintf(message1, "Joystick %d", nr);
9183
9184     DrawTextSCentered(ypos1, font_nr, message1);
9185     DrawTextSCentered(ypos2, font_nr, message2);
9186
9187     while (!DelayReached(&wait_frame_delay))
9188       BackToFront();
9189
9190     ClearEventQueue();
9191   }
9192
9193   DrawSetupScreen_Input();
9194 }
9195
9196 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
9197 {
9198   if (y < video.screen_height / 3)
9199   {
9200     // remap touch gadgets to access upper part of the screen
9201     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9202     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9203   }
9204   else if (y > 2 * video.screen_height / 3)
9205   {
9206     // remap touch gadgets to access lower part of the screen
9207     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9208     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9209   }
9210 }
9211
9212 static boolean ConfigureVirtualButtonsMain(void)
9213 {
9214   static char *customize_step_text[] =
9215   {
9216     "Move Left",
9217     "Move Right",
9218     "Move Up",
9219     "Move Down",
9220     "Snap Field",
9221     "Drop Element"
9222   };
9223   char grid_button[] =
9224   {
9225     CHAR_GRID_BUTTON_LEFT,
9226     CHAR_GRID_BUTTON_RIGHT,
9227     CHAR_GRID_BUTTON_UP,
9228     CHAR_GRID_BUTTON_DOWN,
9229     CHAR_GRID_BUTTON_SNAP,
9230     CHAR_GRID_BUTTON_DROP
9231   };
9232   enum
9233   {
9234     ACTION_NONE,
9235     ACTION_ESCAPE,
9236     ACTION_BACK,
9237     ACTION_NEXT
9238   };
9239   int font_nr = FONT_INPUT_1_ACTIVE;
9240   int font_height = getFontHeight(font_nr);
9241   int ypos1 = SYSIZE / 2 - font_height * 2;
9242   int ypos2 = SYSIZE / 2 - font_height * 1;
9243   boolean success = FALSE;
9244   boolean finished = FALSE;
9245   int step_nr = 0;
9246   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
9247   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9248   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9249   boolean set_grid_button = FALSE;
9250   int nr = GRID_ACTIVE_NR();
9251   int x, y;
9252
9253   for (x = 0; x < MAX_GRID_XSIZE; x++)
9254     for (y = 0; y < MAX_GRID_YSIZE; y++)
9255       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
9256
9257   overlay.grid_button_highlight = grid_button[step_nr];
9258
9259   UnmapAllGadgets();
9260
9261   FadeSetEnterMenu();
9262   FadeOut(REDRAW_FIELD);
9263
9264   ClearField();
9265
9266   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9267   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9268   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9269
9270   FadeIn(REDRAW_FIELD);
9271
9272   SetOverlayShowGrid(TRUE);
9273
9274   // map gadgets for setup touch buttons menu screen
9275   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9276
9277   while (!finished)
9278   {
9279     Event event;
9280
9281     while (NextValidEvent(&event))
9282     {
9283       int action = ACTION_NONE;
9284
9285       // ---------- handle events and set the resulting action ----------
9286
9287       switch (event.type)
9288       {
9289         case EVENT_USER:
9290           {
9291             UserEvent *user = (UserEvent *)&event;
9292             int id = user->value1;
9293
9294             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
9295                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
9296                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
9297                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
9298                       ACTION_NONE);
9299           }
9300           break;
9301
9302         case EVENT_KEYPRESS:
9303           {
9304             Key key = GetEventKey((KeyEvent *)&event);
9305
9306             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
9307                       key == KSYM_BackSpace ||
9308                       key == KSYM_Back ?        ACTION_BACK :
9309                       key == KSYM_Return ||
9310                       key == KSYM_Menu ||
9311                       key == KSYM_space ?       ACTION_NEXT :
9312                       ACTION_NONE);
9313           }
9314           break;
9315
9316         case EVENT_KEYRELEASE:
9317           key_joystick_mapping = 0;
9318           break;
9319
9320         case EVENT_BUTTONPRESS:
9321         case EVENT_BUTTONRELEASE:
9322           {
9323             ButtonEvent *button = (ButtonEvent *)&event;
9324
9325             motion_status = FALSE;
9326
9327             if (button->type == EVENT_BUTTONPRESS)
9328               button_status = button->button;
9329             else
9330               button_status = MB_RELEASED;
9331
9332             if (HandleGadgets(button->x, button->y, button_status))
9333             {
9334               // do not handle this button event anymore
9335               break;
9336             }
9337
9338             button->x += video.screen_xoffset;
9339             button->y += video.screen_yoffset;
9340
9341             x = button->x * overlay.grid_xsize / video.screen_width;
9342             y = button->y * overlay.grid_ysize / video.screen_height;
9343
9344             if (button->type == EVENT_BUTTONPRESS)
9345             {
9346               grid_button_draw =
9347                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
9348                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
9349
9350               set_grid_button = TRUE;
9351             }
9352
9353             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
9354           }
9355           break;
9356
9357         case EVENT_MOTIONNOTIFY:
9358           {
9359             MotionEvent *motion = (MotionEvent *)&event;
9360
9361             motion_status = TRUE;
9362
9363             if (HandleGadgets(motion->x, motion->y, button_status))
9364             {
9365               // do not handle this button event anymore
9366               break;
9367             }
9368
9369             motion->x += video.screen_xoffset;
9370             motion->y += video.screen_yoffset;
9371
9372             x = motion->x * overlay.grid_xsize / video.screen_width;
9373             y = motion->y * overlay.grid_ysize / video.screen_height;
9374
9375             set_grid_button = TRUE;
9376
9377             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
9378           }
9379           break;
9380
9381         case SDL_WINDOWEVENT:
9382           HandleWindowEvent((WindowEvent *) &event);
9383
9384           // check if device has been rotated
9385           if (nr != GRID_ACTIVE_NR())
9386           {
9387             nr = GRID_ACTIVE_NR();
9388
9389             for (x = 0; x < MAX_GRID_XSIZE; x++)
9390               for (y = 0; y < MAX_GRID_YSIZE; y++)
9391                 grid_button_old[x][y] = grid_button_tmp[x][y] =
9392                   overlay.grid_button[x][y];
9393           }
9394
9395           break;
9396
9397         case SDL_APP_WILLENTERBACKGROUND:
9398         case SDL_APP_DIDENTERBACKGROUND:
9399         case SDL_APP_WILLENTERFOREGROUND:
9400         case SDL_APP_DIDENTERFOREGROUND:
9401           HandlePauseResumeEvent((PauseResumeEvent *) &event);
9402           break;
9403
9404         default:
9405           HandleOtherEvents(&event);
9406           break;
9407       }
9408
9409       // ---------- perform action set by handling events ----------
9410
9411       if (action == ACTION_ESCAPE)
9412       {
9413         // abort and restore the old key bindings
9414
9415         for (x = 0; x < MAX_GRID_XSIZE; x++)
9416           for (y = 0; y < MAX_GRID_YSIZE; y++)
9417             overlay.grid_button[x][y] = grid_button_old[x][y];
9418
9419         FadeSkipNextFadeIn();
9420
9421         finished = TRUE;
9422       }
9423       else if (action == ACTION_BACK)
9424       {
9425         // keep the configured key bindings and go to previous page
9426
9427         step_nr--;
9428
9429         if (step_nr < 0)
9430         {
9431           FadeSkipNextFadeIn();
9432
9433           finished = TRUE;
9434         }
9435       }
9436       else if (action == ACTION_NEXT)
9437       {
9438         // keep the configured key bindings and go to next page
9439
9440         step_nr++;
9441
9442         // all virtual buttons configured
9443         if (step_nr == 6)
9444         {
9445           finished = TRUE;
9446           success = TRUE;
9447         }
9448       }
9449
9450       if (action != ACTION_NONE && !finished)
9451       {
9452         for (x = 0; x < MAX_GRID_XSIZE; x++)
9453           for (y = 0; y < MAX_GRID_YSIZE; y++)
9454             grid_button_tmp[x][y] = overlay.grid_button[x][y];
9455
9456         overlay.grid_button_highlight = grid_button[step_nr];
9457
9458         // configure next virtual button
9459
9460         ClearField();
9461
9462         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9463         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9464         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9465       }
9466
9467       if (set_grid_button)
9468       {
9469         overlay.grid_button[x][y] =
9470           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
9471            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
9472            grid_button_tmp[x][y]);
9473
9474         set_grid_button = FALSE;
9475       }
9476     }
9477
9478     BackToFront();
9479   }
9480
9481   for (x = 0; x < MAX_GRID_XSIZE; x++)
9482     for (y = 0; y < MAX_GRID_YSIZE; y++)
9483       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9484
9485   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
9486
9487   SetOverlayShowGrid(FALSE);
9488
9489   return success;
9490 }
9491
9492 void ConfigureVirtualButtons(void)
9493 {
9494   boolean success = ConfigureVirtualButtonsMain();
9495
9496   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
9497                          SCREEN_MASK_TOUCH2);
9498
9499   if (success)
9500   {
9501     int font_nr = FONT_TITLE_1;
9502     int font_height = getFontHeight(font_nr);
9503     int ypos1 = SYSIZE / 2 - font_height * 2;
9504     int ypos2 = SYSIZE / 2 - font_height * 1;
9505     DelayCounter wait_frame_delay = { 2000 };
9506
9507     ResetDelayCounter(&wait_frame_delay);
9508
9509     ClearField();
9510
9511     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
9512     DrawTextSCentered(ypos2, font_nr, "configured!");
9513
9514     while (!DelayReached(&wait_frame_delay))
9515       BackToFront();
9516
9517     ClearEventQueue();
9518   }
9519 }
9520
9521 void DrawSetupScreen(void)
9522 {
9523   align_xoffset = 0;
9524   align_yoffset = 0;
9525
9526   if (setup_mode == SETUP_MODE_INPUT)
9527     DrawSetupScreen_Input();
9528   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9529     DrawChooseTree(&scores_type_current);
9530   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9531     DrawChooseTree(&game_speed_current);
9532   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9533     DrawChooseTree(&scroll_delay_current);
9534   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9535     DrawChooseTree(&snapshot_mode_current);
9536   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9537     DrawChooseTree(&window_size_current);
9538   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9539     DrawChooseTree(&scaling_type_current);
9540   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9541     DrawChooseTree(&rendering_mode_current);
9542   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9543     DrawChooseTree(&vsync_mode_current);
9544   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9545     DrawChooseTree(&artwork.gfx_current);
9546   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9547     DrawChooseTree(&artwork.snd_current);
9548   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9549     DrawChooseTree(&artwork.mus_current);
9550   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9551     DrawChooseTree(&volume_simple_current);
9552   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9553     DrawChooseTree(&volume_loops_current);
9554   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9555     DrawChooseTree(&volume_music_current);
9556   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9557     DrawChooseTree(&touch_control_current);
9558   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9559     DrawChooseTree(&move_distance_current);
9560   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9561     DrawChooseTree(&drop_distance_current);
9562   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9563     DrawChooseTree(&transparency_current);
9564   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9565     DrawChooseTree(&grid_size_current[0][0]);
9566   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9567     DrawChooseTree(&grid_size_current[0][1]);
9568   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9569     DrawChooseTree(&grid_size_current[1][0]);
9570   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9571     DrawChooseTree(&grid_size_current[1][1]);
9572   else
9573     DrawSetupScreen_Generic();
9574
9575   PlayMenuSoundsAndMusic();
9576 }
9577
9578 void RedrawSetupScreenAfterFullscreenToggle(void)
9579 {
9580   if (setup_mode == SETUP_MODE_GRAPHICS ||
9581       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9582   {
9583     // update list selection from "setup.window_scaling_percent"
9584     execSetupGraphics_setWindowSizes(TRUE);
9585
9586     DrawSetupScreen();
9587   }
9588 }
9589
9590 void RedrawSetupScreenAfterScreenRotation(int nr)
9591 {
9592   int x, y;
9593
9594   if (setup_mode == SETUP_MODE_TOUCH)
9595   {
9596     // update virtual button settings (depending on screen orientation)
9597     DrawSetupScreen();
9598   }
9599   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9600   {
9601     // save already configured virtual buttons
9602     for (x = 0; x < MAX_GRID_XSIZE; x++)
9603       for (y = 0; y < MAX_GRID_YSIZE; y++)
9604         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9605   }
9606 }
9607
9608 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9609 {
9610   if (setup_mode == SETUP_MODE_INPUT)
9611     HandleSetupScreen_Input(mx, my, dx, dy, button);
9612   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9613     HandleChooseTree(mx, my, dx, dy, button, &scores_type_current);
9614   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9615     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9616   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9617     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9618   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9619     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9620   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9621     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9622   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9623     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9624   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9625     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9626   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9627     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9628   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9629     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9630   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9631     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9632   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9633     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9634   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9635     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9636   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9637     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9638   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9639     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9640   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9641     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9642   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9643     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9644   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9645     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9646   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9647     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9648   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9649     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9650   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9651     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9652   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9653     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9654   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9655     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9656   else
9657     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9658 }
9659
9660 void HandleGameActions(void)
9661 {
9662   if (CheckRestartGame())
9663     return;
9664
9665   if (game_status != GAME_MODE_PLAYING)
9666     return;
9667
9668   GameActions();                // main game loop
9669
9670   if (tape.auto_play && !tape.playing)
9671     AutoPlayTapesContinue();    // continue automatically playing next tape
9672 }
9673
9674
9675 // ---------- new screen button stuff --------------------------------------
9676
9677 static struct
9678 {
9679   int gfx_unpressed, gfx_pressed, gfx_active;
9680   struct MenuPosInfo *pos;
9681   boolean *check_value;
9682   int gadget_id;
9683   int screen_mask;
9684   unsigned int event_mask;
9685   boolean is_touch_button;
9686   char *infotext;
9687 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9688 {
9689   {
9690     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE, -1,
9691     &menu.main.button.prev_level, NULL,
9692     SCREEN_CTRL_ID_PREV_LEVEL,
9693     SCREEN_MASK_MAIN,
9694     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9695     FALSE, "previous level"
9696   },
9697   {
9698     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE, -1,
9699     &menu.main.button.next_level, NULL,
9700     SCREEN_CTRL_ID_NEXT_LEVEL,
9701     SCREEN_MASK_MAIN,
9702     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9703     FALSE, "next level"
9704   },
9705   {
9706     IMG_MENU_BUTTON_PREV_LEVEL2, IMG_MENU_BUTTON_PREV_LEVEL2_ACTIVE, -1,
9707     &menu.scores.button.prev_level, NULL,
9708     SCREEN_CTRL_ID_PREV_LEVEL2,
9709     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9710     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9711     FALSE, "previous level"
9712   },
9713   {
9714     IMG_MENU_BUTTON_NEXT_LEVEL2, IMG_MENU_BUTTON_NEXT_LEVEL2_ACTIVE, -1,
9715     &menu.scores.button.next_level, NULL,
9716     SCREEN_CTRL_ID_NEXT_LEVEL2,
9717     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9718     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9719     FALSE, "next level"
9720   },
9721   {
9722     IMG_MENU_BUTTON_PREV_SCORE, IMG_MENU_BUTTON_PREV_SCORE_ACTIVE, -1,
9723     &menu.scores.button.prev_score, NULL,
9724     SCREEN_CTRL_ID_PREV_SCORE,
9725     SCREEN_MASK_SCORES_INFO,
9726     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9727     FALSE, "previous score"
9728   },
9729   {
9730     IMG_MENU_BUTTON_NEXT_SCORE, IMG_MENU_BUTTON_NEXT_SCORE_ACTIVE, -1,
9731     &menu.scores.button.next_score, NULL,
9732     SCREEN_CTRL_ID_NEXT_SCORE,
9733     SCREEN_MASK_SCORES_INFO,
9734     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9735     FALSE, "next score"
9736   },
9737   {
9738     IMG_MENU_BUTTON_PLAY_TAPE, IMG_MENU_BUTTON_PLAY_TAPE, -1,
9739     &menu.scores.button.play_tape, NULL,
9740     SCREEN_CTRL_ID_PLAY_TAPE,
9741     SCREEN_MASK_SCORES_INFO,
9742     GD_EVENT_RELEASED,
9743     FALSE, "play tape"
9744   },
9745   {
9746     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE, -1,
9747     &menu.main.button.first_level, NULL,
9748     SCREEN_CTRL_ID_FIRST_LEVEL,
9749     SCREEN_MASK_MAIN,
9750     GD_EVENT_RELEASED,
9751     FALSE, "first level"
9752   },
9753   {
9754     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE, -1,
9755     &menu.main.button.last_level, NULL,
9756     SCREEN_CTRL_ID_LAST_LEVEL,
9757     SCREEN_MASK_MAIN,
9758     GD_EVENT_RELEASED,
9759     FALSE, "last level"
9760   },
9761   {
9762     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE, -1,
9763     &menu.main.button.level_number, NULL,
9764     SCREEN_CTRL_ID_LEVEL_NUMBER,
9765     SCREEN_MASK_MAIN,
9766     GD_EVENT_RELEASED,
9767     FALSE, "level number"
9768   },
9769   {
9770     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE, -1,
9771     &menu.setup.button.prev_player, NULL,
9772     SCREEN_CTRL_ID_PREV_PLAYER,
9773     SCREEN_MASK_INPUT,
9774     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9775     FALSE, "previous player"
9776   },
9777   {
9778     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE, -1,
9779     &menu.setup.button.next_player, NULL,
9780     SCREEN_CTRL_ID_NEXT_PLAYER,
9781     SCREEN_MASK_INPUT,
9782     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9783     FALSE, "next player"
9784   },
9785   {
9786     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE, -1,
9787     &menu.main.button.insert_solution, NULL,
9788     SCREEN_CTRL_ID_INSERT_SOLUTION,
9789     SCREEN_MASK_MAIN_HAS_SOLUTION,
9790     GD_EVENT_RELEASED,
9791     FALSE, "insert solution tape"
9792   },
9793   {
9794     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE, -1,
9795     &menu.main.button.play_solution, NULL,
9796     SCREEN_CTRL_ID_PLAY_SOLUTION,
9797     SCREEN_MASK_MAIN_HAS_SOLUTION,
9798     GD_EVENT_RELEASED,
9799     FALSE, "play solution tape"
9800   },
9801   {
9802     IMG_MENU_BUTTON_LEVELSET_INFO, IMG_MENU_BUTTON_LEVELSET_INFO_PRESSED,
9803     IMG_MENU_BUTTON_LEVELSET_INFO_ACTIVE,
9804     &menu.main.button.levelset_info, NULL,
9805     SCREEN_CTRL_ID_LEVELSET_INFO,
9806     SCREEN_MASK_MAIN_HAS_SET_INFO,
9807     GD_EVENT_RELEASED,
9808     FALSE, "show level set info"
9809   },
9810   {
9811     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE, -1,
9812     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9813     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9814     SCREEN_MASK_MAIN,
9815     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9816     FALSE, "switch ECS/AGA chipset"
9817   },
9818   {
9819     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK, -1,
9820     &menu.setup.button.touch_back, NULL,
9821     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9822     SCREEN_MASK_TOUCH,
9823     GD_EVENT_RELEASED,
9824     TRUE, "previous page"
9825   },
9826   {
9827     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT, -1,
9828     &menu.setup.button.touch_next, NULL,
9829     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9830     SCREEN_MASK_TOUCH,
9831     GD_EVENT_RELEASED,
9832     TRUE, "next page"
9833   },
9834   {
9835     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2, -1,
9836     &menu.setup.button.touch_back2, NULL,
9837     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9838     SCREEN_MASK_TOUCH2,
9839     GD_EVENT_RELEASED,
9840     TRUE, "previous page"
9841   },
9842   {
9843     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2, -1,
9844     &menu.setup.button.touch_next2, NULL,
9845     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9846     SCREEN_MASK_TOUCH2,
9847     GD_EVENT_RELEASED,
9848     TRUE, "next page"
9849   },
9850 };
9851
9852 static struct
9853 {
9854   int gfx_unpressed, gfx_pressed;
9855   int x, y;
9856   int gadget_id;
9857   char *infotext;
9858 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9859 {
9860   {
9861     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9862     -1, -1,     // these values are not constant, but can change at runtime
9863     SCREEN_CTRL_ID_SCROLL_UP,
9864     "scroll up"
9865   },
9866   {
9867     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9868     -1, -1,     // these values are not constant, but can change at runtime
9869     SCREEN_CTRL_ID_SCROLL_DOWN,
9870     "scroll down"
9871   }
9872 };
9873
9874 static struct
9875 {
9876   int gfx_unpressed, gfx_pressed;
9877   int x, y;
9878   int width, height;
9879   int type;
9880   int gadget_id;
9881   char *infotext;
9882 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9883 {
9884   {
9885     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9886     -1, -1,     // these values are not constant, but can change at runtime
9887     -1, -1,     // these values are not constant, but can change at runtime
9888     GD_TYPE_SCROLLBAR_VERTICAL,
9889     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9890     "scroll level series vertically"
9891   }
9892 };
9893
9894 static struct
9895 {
9896   int graphic;
9897   int gadget_id;
9898   int x, y;
9899   int size;
9900   char *value;
9901   char *infotext;
9902 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9903 {
9904   {
9905     IMG_SETUP_INPUT_TEXT,
9906     SCREEN_CTRL_ID_NETWORK_SERVER,
9907     -1, -1,     // these values are not constant, but can change at runtime
9908     MAX_SETUP_TEXT_INPUT_LEN,
9909     network_server_hostname,
9910     "Network Server Hostname / IP"
9911   },
9912 };
9913
9914 static void CreateScreenMenubuttons(void)
9915 {
9916   struct GadgetInfo *gi;
9917   unsigned int event_mask;
9918   int i;
9919
9920   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9921   {
9922     struct MenuPosInfo *pos = menubutton_info[i].pos;
9923     int screen_mask = menubutton_info[i].screen_mask;
9924     boolean is_touch_button = menubutton_info[i].is_touch_button;
9925     boolean is_check_button = menubutton_info[i].check_value != NULL;
9926     boolean is_score_button = (screen_mask & SCREEN_MASK_SCORES_INFO);
9927     boolean has_gfx_pressed = (menubutton_info[i].gfx_pressed ==
9928                                menubutton_info[i].gfx_unpressed);
9929     boolean has_gfx_active = (menubutton_info[i].gfx_active != -1);
9930     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9931     Bitmap *gd_bitmap_unpressed_alt, *gd_bitmap_pressed_alt;
9932     int gfx_unpressed, gfx_pressed;
9933     int gfx_unpressed_alt, gfx_pressed_alt;
9934     int x, y, width, height;
9935     int gd_x1, gd_x2, gd_y1, gd_y2;
9936     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9937     int id = menubutton_info[i].gadget_id;
9938     int type = GD_TYPE_NORMAL_BUTTON;
9939     boolean checked = FALSE;
9940
9941     // do not use touch buttons if overlay touch buttons are disabled
9942     if (is_touch_button && !setup.touch.overlay_buttons)
9943       continue;
9944
9945     event_mask = menubutton_info[i].event_mask;
9946
9947     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9948     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9949
9950     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9951     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9952
9953     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9954     gfx_pressed   = menubutton_info[i].gfx_pressed;
9955     gfx_unpressed_alt = gfx_unpressed;
9956     gfx_pressed_alt   = gfx_pressed;
9957
9958     if (has_gfx_active)
9959     {
9960       gfx_unpressed_alt = menubutton_info[i].gfx_active;
9961
9962       type = GD_TYPE_CHECK_BUTTON_2;
9963
9964       if (menubutton_info[i].check_value != NULL)
9965         checked = *menubutton_info[i].check_value;
9966     }
9967
9968     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9969     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9970     gd_bitmap_unpressed_alt = graphic_info[gfx_unpressed_alt].bitmap;
9971     gd_bitmap_pressed_alt   = graphic_info[gfx_pressed_alt].bitmap;
9972
9973     gd_x1 = graphic_info[gfx_unpressed].src_x;
9974     gd_y1 = graphic_info[gfx_unpressed].src_y;
9975     gd_x2 = graphic_info[gfx_pressed].src_x;
9976     gd_y2 = graphic_info[gfx_pressed].src_y;
9977
9978     gd_x1a = graphic_info[gfx_unpressed_alt].src_x;
9979     gd_y1a = graphic_info[gfx_unpressed_alt].src_y;
9980     gd_x2a = graphic_info[gfx_pressed_alt].src_x;
9981     gd_y2a = graphic_info[gfx_pressed_alt].src_y;
9982
9983     if (has_gfx_pressed)
9984     {
9985       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9986       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9987     }
9988
9989     if (is_check_button)
9990     {
9991       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9992       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9993       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9994       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9995
9996       type = GD_TYPE_CHECK_BUTTON;
9997
9998       if (menubutton_info[i].check_value != NULL)
9999         checked = *menubutton_info[i].check_value;
10000     }
10001
10002     if (is_score_button)
10003     {
10004       // if x/y set to -1, dynamically place buttons next to title text
10005       int title_width = getTextWidth(INFOTEXT_SCORE_ENTRY, FONT_TITLE_1);
10006
10007       // special compatibility handling for "Snake Bite" graphics set
10008       if (strPrefix(leveldir_current->identifier, "snake_bite"))
10009         title_width = strlen(INFOTEXT_SCORE_ENTRY) * 32;
10010
10011       // use "SX" here to center buttons (ignore horizontal draw offset)
10012       if (pos->x == -1)
10013         x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
10014              SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
10015              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
10016              SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
10017
10018       // use "mSY" here to place buttons (respect vertical draw offset)
10019       if (pos->y == -1)
10020         y = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ||
10021              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
10022     }
10023
10024     if (id == SCREEN_CTRL_ID_LEVELSET_INFO)
10025     {
10026       if (pos->x == -1 && pos->y == -1)
10027       {
10028         // use "SX" here to place button (ignore draw offsets)
10029         x = SX + SXSIZE - 2 * TILESIZE;
10030         y = SY + SYSIZE - 2 * TILESIZE;
10031
10032         // special compatibility handling for "BD2K3" graphics set
10033         if (strPrefix(leveldir_current->identifier, "BD2K3"))
10034           x = SX + TILESIZE + MINI_TILESIZE;
10035
10036         // special compatibility handling for "jue0" graphics set
10037         if (strPrefix(artwork.gfx_current_identifier, "jue0"))
10038         {
10039           x = SX + SXSIZE - 4 * TILESIZE;
10040           y = SY + SYSIZE - 3 * TILESIZE;
10041         }
10042       }
10043     }
10044
10045     gi = CreateGadget(GDI_CUSTOM_ID, id,
10046                       GDI_CUSTOM_TYPE_ID, i,
10047                       GDI_IMAGE_ID, gfx_unpressed,
10048                       GDI_INFO_TEXT, menubutton_info[i].infotext,
10049                       GDI_X, x,
10050                       GDI_Y, y,
10051                       GDI_WIDTH, width,
10052                       GDI_HEIGHT, height,
10053                       GDI_TYPE, type,
10054                       GDI_STATE, GD_BUTTON_UNPRESSED,
10055                       GDI_CHECKED, checked,
10056                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
10057                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
10058                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed_alt, gd_x1a, gd_y1a,
10059                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed_alt, gd_x2a, gd_y2a,
10060                       GDI_DIRECT_DRAW, FALSE,
10061                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
10062                       GDI_EVENT_MASK, event_mask,
10063                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10064                       GDI_END);
10065
10066     if (gi == NULL)
10067       Fail("cannot create gadget");
10068
10069     screen_gadget[id] = gi;
10070   }
10071 }
10072
10073 static void CreateScreenScrollbuttons(void)
10074 {
10075   struct GadgetInfo *gi;
10076   unsigned int event_mask;
10077   int i;
10078
10079   // these values are not constant, but can change at runtime
10080   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
10081   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
10082   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
10083   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
10084
10085   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10086   {
10087     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
10088     int gfx_unpressed, gfx_pressed;
10089     int x, y, width, height;
10090     int gd_x1, gd_x2, gd_y1, gd_y2;
10091     int id = scrollbutton_info[i].gadget_id;
10092
10093     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
10094
10095     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
10096     y = mSY + scrollbutton_info[i].y;
10097     width = SC_SCROLLBUTTON_XSIZE;
10098     height = SC_SCROLLBUTTON_YSIZE;
10099
10100     // correct scrollbar position if placed outside menu (playfield) area
10101     if (x > SX + SC_SCROLL_UP_XPOS)
10102       x = SX + SC_SCROLL_UP_XPOS;
10103
10104     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
10105       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
10106                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
10107
10108     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
10109     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
10110     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
10111     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
10112     gd_x1 = graphic_info[gfx_unpressed].src_x;
10113     gd_y1 = graphic_info[gfx_unpressed].src_y;
10114     gd_x2 = graphic_info[gfx_pressed].src_x;
10115     gd_y2 = graphic_info[gfx_pressed].src_y;
10116
10117     gi = CreateGadget(GDI_CUSTOM_ID, id,
10118                       GDI_CUSTOM_TYPE_ID, i,
10119                       GDI_IMAGE_ID, gfx_unpressed,
10120                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
10121                       GDI_X, x,
10122                       GDI_Y, y,
10123                       GDI_WIDTH, width,
10124                       GDI_HEIGHT, height,
10125                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
10126                       GDI_STATE, GD_BUTTON_UNPRESSED,
10127                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
10128                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
10129                       GDI_DIRECT_DRAW, FALSE,
10130                       GDI_EVENT_MASK, event_mask,
10131                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10132                       GDI_END);
10133
10134     if (gi == NULL)
10135       Fail("cannot create gadget");
10136
10137     screen_gadget[id] = gi;
10138   }
10139 }
10140
10141 static void CreateScreenScrollbars(void)
10142 {
10143   int i;
10144
10145   // these values are not constant, but can change at runtime
10146   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
10147   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
10148   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
10149   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
10150
10151   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10152   {
10153     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
10154     int gfx_unpressed, gfx_pressed;
10155     int x, y, width, height;
10156     int gd_x1, gd_x2, gd_y1, gd_y2;
10157     struct GadgetInfo *gi;
10158     int items_max, items_visible, item_position;
10159     unsigned int event_mask;
10160     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
10161     int id = scrollbar_info[i].gadget_id;
10162
10163     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
10164
10165     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
10166     y = mSY + scrollbar_info[i].y;
10167     width  = scrollbar_info[i].width;
10168     height = scrollbar_info[i].height;
10169
10170     // correct scrollbar position if placed outside menu (playfield) area
10171     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
10172       x = SX + SC_SCROLL_VERTICAL_XPOS;
10173
10174     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
10175       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
10176
10177     items_max = num_page_entries;
10178     items_visible = num_page_entries;
10179     item_position = 0;
10180
10181     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
10182     gfx_pressed   = scrollbar_info[i].gfx_pressed;
10183     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
10184     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
10185     gd_x1 = graphic_info[gfx_unpressed].src_x;
10186     gd_y1 = graphic_info[gfx_unpressed].src_y;
10187     gd_x2 = graphic_info[gfx_pressed].src_x;
10188     gd_y2 = graphic_info[gfx_pressed].src_y;
10189
10190     gi = CreateGadget(GDI_CUSTOM_ID, id,
10191                       GDI_CUSTOM_TYPE_ID, i,
10192                       GDI_IMAGE_ID, gfx_unpressed,
10193                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
10194                       GDI_X, x,
10195                       GDI_Y, y,
10196                       GDI_WIDTH, width,
10197                       GDI_HEIGHT, height,
10198                       GDI_TYPE, scrollbar_info[i].type,
10199                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
10200                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10201                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
10202                       GDI_WHEEL_AREA_X, SX,
10203                       GDI_WHEEL_AREA_Y, SY,
10204                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
10205                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
10206                       GDI_STATE, GD_BUTTON_UNPRESSED,
10207                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
10208                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
10209                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
10210                       GDI_DIRECT_DRAW, FALSE,
10211                       GDI_EVENT_MASK, event_mask,
10212                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10213                       GDI_END);
10214
10215     if (gi == NULL)
10216       Fail("cannot create gadget");
10217
10218     screen_gadget[id] = gi;
10219   }
10220 }
10221
10222 static void CreateScreenTextInputGadgets(void)
10223 {
10224   int i;
10225
10226   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
10227   {
10228     int graphic = textinput_info[i].graphic;
10229     struct GraphicInfo *gd = &graphic_info[graphic];
10230     int gd_x1 = gd->src_x;
10231     int gd_y1 = gd->src_y;
10232     int gd_x2 = gd->src_x + gd->active_xoffset;
10233     int gd_y2 = gd->src_y + gd->active_yoffset;
10234     struct GadgetInfo *gi;
10235     unsigned int event_mask;
10236     int id = textinput_info[i].gadget_id;
10237     int x = textinput_info[i].x;
10238     int y = textinput_info[i].y;
10239
10240     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
10241
10242     gi = CreateGadget(GDI_CUSTOM_ID, id,
10243                       GDI_CUSTOM_TYPE_ID, i,
10244                       GDI_INFO_TEXT, textinput_info[i].infotext,
10245                       GDI_X, SX + x,
10246                       GDI_Y, SY + y,
10247                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
10248                       GDI_TEXT_VALUE, textinput_info[i].value,
10249                       GDI_TEXT_SIZE, textinput_info[i].size,
10250                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
10251                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
10252                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
10253                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
10254                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
10255                       GDI_DESIGN_WIDTH, gd->width,
10256                       GDI_EVENT_MASK, event_mask,
10257                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10258                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
10259                       GDI_END);
10260
10261     if (gi == NULL)
10262       Fail("cannot create gadget");
10263
10264     screen_gadget[id] = gi;
10265   }
10266 }
10267
10268 void CreateScreenGadgets(void)
10269 {
10270   CreateScreenMenubuttons();
10271
10272   CreateScreenScrollbuttons();
10273   CreateScreenScrollbars();
10274
10275   CreateScreenTextInputGadgets();
10276 }
10277
10278 void FreeScreenGadgets(void)
10279 {
10280   int i;
10281
10282   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
10283     FreeGadget(screen_gadget[i]);
10284 }
10285
10286 static void RedrawScreenMenuGadgets(int screen_mask)
10287 {
10288   int i;
10289
10290   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10291     if (screen_mask & menubutton_info[i].screen_mask)
10292       RedrawGadget(screen_gadget[menubutton_info[i].gadget_id]);
10293 }
10294
10295 static void MapScreenMenuGadgets(int screen_mask)
10296 {
10297   int i;
10298
10299   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10300     if (screen_mask & menubutton_info[i].screen_mask)
10301       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10302 }
10303
10304 static void UnmapScreenMenuGadgets(int screen_mask)
10305 {
10306   int i;
10307
10308   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10309   {
10310     if (screen_mask & menubutton_info[i].screen_mask)
10311     {
10312       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10313
10314       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
10315         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
10316                        screen_gadget[menubutton_info[i].gadget_id]->y,
10317                        screen_gadget[menubutton_info[i].gadget_id]->width,
10318                        screen_gadget[menubutton_info[i].gadget_id]->height);
10319     }
10320   }
10321 }
10322
10323 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
10324 {
10325   if (map_gadgets)
10326     MapScreenMenuGadgets(screen_mask);
10327   else
10328     UnmapScreenMenuGadgets(screen_mask);
10329 }
10330
10331 static void MapScreenGadgets(int num_entries)
10332 {
10333   int i;
10334
10335   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
10336     return;
10337
10338   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10339     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10340
10341   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10342     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10343 }
10344
10345 static void UnmapScreenGadgets(void)
10346 {
10347   int i;
10348
10349   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10350     UnmapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10351
10352   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10353     UnmapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10354 }
10355
10356 static void MapScreenTreeGadgets(TreeInfo *ti)
10357 {
10358   MapScreenGadgets(numTreeInfoInGroup(ti));
10359 }
10360
10361 static void UnmapScreenTreeGadgets(void)
10362 {
10363   UnmapScreenGadgets();
10364 }
10365
10366 static void AdjustScoreInfoButtons_SelectScore(int x, int y1, int y2)
10367 {
10368   struct GadgetInfo *gi_1 = screen_gadget[SCREEN_CTRL_ID_PREV_SCORE];
10369   struct GadgetInfo *gi_2 = screen_gadget[SCREEN_CTRL_ID_NEXT_SCORE];
10370   struct MenuPosInfo *pos_1 = menubutton_info[SCREEN_CTRL_ID_PREV_SCORE].pos;
10371   struct MenuPosInfo *pos_2 = menubutton_info[SCREEN_CTRL_ID_NEXT_SCORE].pos;
10372
10373   if (pos_1->x == -1 && pos_1->y == -1)
10374     ModifyGadget(gi_1, GDI_X, x, GDI_Y, y1, GDI_END);
10375
10376   if (pos_2->x == -1 && pos_2->y == -1)
10377     ModifyGadget(gi_2, GDI_X, x, GDI_Y, y2, GDI_END);
10378 }
10379
10380 static void AdjustScoreInfoButtons_PlayTape(int x, int y, boolean visible)
10381 {
10382   struct GadgetInfo *gi = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE];
10383   struct MenuPosInfo *pos = menubutton_info[SCREEN_CTRL_ID_PLAY_TAPE].pos;
10384
10385   // set gadget position dynamically, pre-defined or off-screen
10386   int xx = (visible ? (pos->x == -1 ? x : pos->x) : POS_OFFSCREEN);
10387   int yy = (visible ? (pos->y == -1 ? y : pos->y) : POS_OFFSCREEN);
10388
10389   ModifyGadget(gi, GDI_X, xx, GDI_Y, yy, GDI_END);
10390   MapGadget(gi);        // (needed if deactivated on last score page)
10391 }
10392
10393 static void HandleScreenGadgets(struct GadgetInfo *gi)
10394 {
10395   int id = gi->custom_id;
10396   int button = gi->event.button;
10397   int step = (button == MB_LEFTBUTTON   ? 1 :
10398               button == MB_MIDDLEBUTTON ? 5 :
10399               button == MB_RIGHTBUTTON  ? 10 : 1);
10400
10401   switch (id)
10402   {
10403     case SCREEN_CTRL_ID_PREV_LEVEL:
10404       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
10405       break;
10406
10407     case SCREEN_CTRL_ID_NEXT_LEVEL:
10408       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
10409       break;
10410
10411     case SCREEN_CTRL_ID_PREV_LEVEL2:
10412       HandleHallOfFame_SelectLevel(step, -1);
10413       break;
10414
10415     case SCREEN_CTRL_ID_NEXT_LEVEL2:
10416       HandleHallOfFame_SelectLevel(step, +1);
10417       break;
10418
10419     case SCREEN_CTRL_ID_PREV_SCORE:
10420       HandleScoreInfo_SelectScore(step, -1);
10421       break;
10422
10423     case SCREEN_CTRL_ID_NEXT_SCORE:
10424       HandleScoreInfo_SelectScore(step, +1);
10425       break;
10426
10427     case SCREEN_CTRL_ID_PLAY_TAPE:
10428       HandleScoreInfo_PlayTape();
10429       break;
10430
10431     case SCREEN_CTRL_ID_FIRST_LEVEL:
10432       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
10433       break;
10434
10435     case SCREEN_CTRL_ID_LAST_LEVEL:
10436       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
10437       break;
10438
10439     case SCREEN_CTRL_ID_LEVEL_NUMBER:
10440       CloseDoor(DOOR_CLOSE_2);
10441       SetGameStatus(GAME_MODE_LEVELNR);
10442       DrawChooseLevelNr();
10443       break;
10444
10445     case SCREEN_CTRL_ID_PREV_PLAYER:
10446       HandleSetupScreen_Input_Player(step, -1);
10447       break;
10448
10449     case SCREEN_CTRL_ID_NEXT_PLAYER:
10450       HandleSetupScreen_Input_Player(step, +1);
10451       break;
10452
10453     case SCREEN_CTRL_ID_INSERT_SOLUTION:
10454       InsertSolutionTape();
10455       break;
10456
10457     case SCREEN_CTRL_ID_PLAY_SOLUTION:
10458       PlaySolutionTape();
10459       break;
10460
10461     case SCREEN_CTRL_ID_LEVELSET_INFO:
10462       DrawInfoScreen_FromMainMenu(INFO_MODE_LEVELSET);
10463       break;
10464
10465     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
10466       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
10467       DrawMainMenu();
10468       break;
10469
10470     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
10471     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
10472     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
10473     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
10474       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
10475       break;
10476
10477     case SCREEN_CTRL_ID_SCROLL_UP:
10478       if (game_status == GAME_MODE_NAMES)
10479         HandleChoosePlayerName(0, 0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10480       else if (game_status == GAME_MODE_LEVELS)
10481         HandleChooseLevelSet(0, 0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10482       else if (game_status == GAME_MODE_LEVELNR)
10483         HandleChooseLevelNr(0, 0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10484       else if (game_status == GAME_MODE_SETUP)
10485         HandleSetupScreen(0, 0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10486       else if (game_status == GAME_MODE_INFO)
10487         HandleInfoScreen(0, 0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10488       else if (game_status == GAME_MODE_SCORES)
10489         HandleHallOfFame(0, 0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10490       break;
10491
10492     case SCREEN_CTRL_ID_SCROLL_DOWN:
10493       if (game_status == GAME_MODE_NAMES)
10494         HandleChoosePlayerName(0, 0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10495       else if (game_status == GAME_MODE_LEVELS)
10496         HandleChooseLevelSet(0, 0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10497       else if (game_status == GAME_MODE_LEVELNR)
10498         HandleChooseLevelNr(0, 0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10499       else if (game_status == GAME_MODE_SETUP)
10500         HandleSetupScreen(0, 0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10501       else if (game_status == GAME_MODE_INFO)
10502         HandleInfoScreen(0, 0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10503       else if (game_status == GAME_MODE_SCORES)
10504         HandleHallOfFame(0, 0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10505       break;
10506
10507     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
10508       if (game_status == GAME_MODE_NAMES)
10509         HandleChoosePlayerName(0, 0, 999, gi->event.item_position, MB_MENU_INITIALIZE);
10510       else if (game_status == GAME_MODE_LEVELS)
10511         HandleChooseLevelSet(0, 0, 999, gi->event.item_position, MB_MENU_INITIALIZE);
10512       else if (game_status == GAME_MODE_LEVELNR)
10513         HandleChooseLevelNr(0, 0, 999, gi->event.item_position, MB_MENU_INITIALIZE);
10514       else if (game_status == GAME_MODE_SETUP)
10515         HandleSetupScreen(0, 0, 999, gi->event.item_position, MB_MENU_INITIALIZE);
10516       else if (game_status == GAME_MODE_INFO)
10517         HandleInfoScreen(0, 0, 999, gi->event.item_position, MB_MENU_INITIALIZE);
10518       else if (game_status == GAME_MODE_SCORES)
10519         HandleHallOfFame(0, 0, 999, gi->event.item_position, MB_MENU_INITIALIZE);
10520       break;
10521
10522     case SCREEN_CTRL_ID_NETWORK_SERVER:
10523     {
10524       if (!strEqual(gi->textinput.value, ""))
10525       {
10526         setString(&setup.network_server_hostname, gi->textinput.value);
10527
10528         network.server_host = setup.network_server_hostname;
10529       }
10530       else
10531       {
10532         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
10533
10534         network.server_host = NULL;
10535       }
10536
10537       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
10538         network.server_host = NULL;
10539
10540       execSetupGame_setNetworkServerText();
10541
10542       DrawSetupScreen();
10543
10544       break;
10545     }
10546
10547     default:
10548       break;
10549   }
10550 }
10551
10552 void HandleScreenGadgetKeys(Key key)
10553 {
10554   if (key == setup.shortcut.tape_play || key == KSYM_Return)
10555     HandleScreenGadgets(screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]);
10556 }
10557
10558 void DumpScreenIdentifiers(void)
10559 {
10560   int i;
10561
10562   Print("Active screen elements on current screen:\n");
10563
10564   for (i = 0; main_controls[i].nr != -1; i++)
10565   {
10566     struct MainControlInfo *mci = &main_controls[i];
10567
10568     if (mci->button_graphic != -1)
10569     {
10570       char *token = getTokenFromImageID(mci->button_graphic);
10571
10572       Print("- '%s'\n", token);
10573     }
10574   }
10575
10576   Print("Done.\n");
10577 }
10578
10579 boolean DoScreenAction(int image_id)
10580 {
10581   int i;
10582
10583   if (game_status != GAME_MODE_MAIN)
10584     return FALSE;
10585
10586   for (i = 0; main_controls[i].nr != -1; i++)
10587   {
10588     struct MainControlInfo *mci = &main_controls[i];
10589     struct MenuPosInfo *pos = mci->pos_button;
10590
10591     if (mci->button_graphic == image_id)
10592     {
10593       int x = mSX + pos->x;
10594       int y = mSY + pos->y;
10595
10596       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
10597
10598       return TRUE;
10599     }
10600   }
10601
10602   return FALSE;
10603 }
10604
10605 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
10606 {
10607   // get tree info node of newly added level or artwork set
10608   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
10609   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
10610                                                       tree_subdir_new);
10611   if (tree_node_new == NULL)    // should not happen
10612     return;
10613
10614   // if request dialog is active, do nothing
10615   if (game.request_active)
10616     return;
10617
10618   if (game_status == GAME_MODE_MAIN &&
10619       tree_type == TREE_TYPE_LEVEL_DIR)
10620   {
10621     // when adding new level set in main menu, select it as current level set
10622
10623     // change current level set to newly added level set from zip file
10624     leveldir_current = tree_node_new;
10625
10626     // change current level number to first level of newly added level set
10627     level_nr = leveldir_current->first_level;
10628
10629     // redraw screen to reflect changed level set
10630     DrawMainMenu();
10631
10632     // save this level set and level number as last selected level set
10633     SaveLevelSetup_LastSeries();
10634     SaveLevelSetup_SeriesInfo();
10635   }
10636   else if (game_status == GAME_MODE_LEVELS &&
10637            tree_type == TREE_TYPE_LEVEL_DIR)
10638   {
10639     // when adding new level set in level set menu, set cursor and update screen
10640
10641     leveldir_current = tree_node_new;
10642
10643     DrawChooseTree(&leveldir_current);
10644   }
10645   else if (game_status == GAME_MODE_SETUP)
10646   {
10647     // when adding new artwork set in setup menu, set cursor and update screen
10648
10649     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
10650         tree_type == TREE_TYPE_GRAPHICS_DIR)
10651     {
10652       artwork.gfx_current = tree_node_new;
10653
10654       DrawChooseTree(&artwork.gfx_current);
10655     }
10656     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
10657              tree_type == TREE_TYPE_SOUNDS_DIR)
10658     {
10659       artwork.snd_current = tree_node_new;
10660
10661       DrawChooseTree(&artwork.snd_current);
10662     }
10663     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
10664              tree_type == TREE_TYPE_MUSIC_DIR)
10665     {
10666       artwork.mus_current = tree_node_new;
10667
10668       DrawChooseTree(&artwork.mus_current);
10669     }
10670   }
10671 }
10672
10673 static int UploadTapes(void)
10674 {
10675   SetGameStatus(GAME_MODE_LOADING);
10676
10677   FadeSetEnterScreen();
10678   FadeOut(REDRAW_ALL);
10679
10680   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
10681
10682   FadeIn(REDRAW_ALL);
10683
10684   DrawInitTextHead("Uploading tapes");
10685
10686   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
10687   global.autoplay_leveldir = "ALL";
10688   global.autoplay_all = TRUE;
10689
10690   int num_tapes_uploaded = AutoPlayTapes();
10691
10692   global.autoplay_mode = AUTOPLAY_MODE_NONE;
10693   global.autoplay_leveldir = NULL;
10694   global.autoplay_all = FALSE;
10695
10696   SetGameStatus(GAME_MODE_MAIN);
10697
10698   DrawMainMenu();
10699
10700   return num_tapes_uploaded;
10701 }
10702
10703 static boolean OfferUploadTapes(void)
10704 {
10705   if (!Request(setup.has_remaining_tapes ?
10706                "Upload missing tapes to the high score server now?" :
10707                "Upload all your tapes to the high score server now?", REQ_ASK))
10708     return FALSE;
10709
10710   // when uploading tapes, make sure that high score server is enabled
10711   runtime.use_api_server = setup.use_api_server = TRUE;
10712
10713   int num_tapes_uploaded = UploadTapes();
10714   char message[100];
10715
10716   if (num_tapes_uploaded < 0)
10717   {
10718     num_tapes_uploaded = -num_tapes_uploaded - 1;
10719
10720     if (num_tapes_uploaded == 0)
10721       sprintf(message, "Upload failed! No tapes uploaded!");
10722     else if (num_tapes_uploaded == 1)
10723       sprintf(message, "Upload failed! Only 1 tape uploaded!");
10724     else
10725       sprintf(message, "Upload failed! Only %d tapes uploaded!",
10726               num_tapes_uploaded);
10727
10728     Request(message, REQ_CONFIRM);
10729
10730     // if uploading tapes failed, add tape upload entry to setup menu
10731     setup.provide_uploading_tapes = TRUE;
10732     setup.has_remaining_tapes = TRUE;
10733
10734     SaveSetup_ServerSetup();
10735
10736     return FALSE;
10737   }
10738
10739   if (num_tapes_uploaded == 0)
10740     sprintf(message, "No tapes uploaded!");
10741   else if (num_tapes_uploaded == 1)
10742     sprintf(message, "1 tape uploaded!");
10743   else
10744     sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
10745
10746   Request(message, REQ_CONFIRM);
10747
10748   if (num_tapes_uploaded > 0)
10749     Request("New scores will be visible after a few minutes!", REQ_CONFIRM);
10750
10751   // after all tapes have been uploaded, remove entry from setup menu
10752   setup.provide_uploading_tapes = FALSE;
10753   setup.has_remaining_tapes = FALSE;
10754
10755   SaveSetup_ServerSetup();
10756
10757   return TRUE;
10758 }
10759
10760 static void CheckUploadTapes(void)
10761 {
10762   if (!setup.ask_for_uploading_tapes)
10763     return;
10764
10765   // after asking for uploading tapes, do not ask again
10766   setup.ask_for_uploading_tapes = FALSE;
10767   setup.ask_for_remaining_tapes = FALSE;
10768
10769   if (directoryExists(getTapeDir(NULL)))
10770   {
10771     boolean tapes_uploaded = OfferUploadTapes();
10772
10773     if (!tapes_uploaded)
10774     {
10775       Request(setup.has_remaining_tapes ?
10776               "You can upload missing tapes from the setup menu later!" :
10777               "You can upload your tapes from the setup menu later!",
10778               REQ_CONFIRM);
10779     }
10780   }
10781   else
10782   {
10783     // if tapes directory does not exist yet, never offer uploading all tapes
10784     setup.provide_uploading_tapes = FALSE;
10785   }
10786
10787   SaveSetup_ServerSetup();
10788 }
10789
10790 static void UpgradePlayerUUID(void)
10791 {
10792   ApiResetUUIDAsThread(getUUID());
10793 }
10794
10795 static void CheckUpgradePlayerUUID(void)
10796 {
10797   if (setup.player_version > 1)
10798     return;
10799
10800   UpgradePlayerUUID();
10801 }
10802
10803 void CheckApiServerTasks(void)
10804 {
10805   // check if the player's UUID has to be upgraded
10806   CheckUpgradePlayerUUID();
10807
10808   // check if there are any tapes to be uploaded
10809   CheckUploadTapes();
10810 }