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