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
 333 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *);
 334
 335 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 336
 337 static int info_mode = INFO_MODE_MAIN;
 338 static int setup_mode = SETUP_MODE_MAIN;
 339
 340 static boolean info_screens_from_main = FALSE;
 341
 342 static TreeInfo *window_sizes = NULL;
 343 static TreeInfo *window_size_current = NULL;
 344
 345 static TreeInfo *scaling_types = NULL;
 346 static TreeInfo *scaling_type_current = NULL;
 347
 348 static TreeInfo *rendering_modes = NULL;
 349 static TreeInfo *rendering_mode_current = NULL;
 350
 351 static TreeInfo *vsync_modes = NULL;
 352 static TreeInfo *vsync_mode_current = NULL;
 353
 354 static TreeInfo *scroll_delays = NULL;
 355 static TreeInfo *scroll_delay_current = NULL;
 356
 357 static TreeInfo *snapshot_modes = NULL;
 358 static TreeInfo *snapshot_mode_current = NULL;
 359
 360 static TreeInfo *scores_types = NULL;
 361 static TreeInfo *scores_type_current = NULL;
 362
 363 static TreeInfo *game_speeds_normal = NULL;
 364 static TreeInfo *game_speeds_extended = NULL;
 365 static TreeInfo *game_speeds = NULL;
 366 static TreeInfo *game_speed_current = NULL;
 367
 368 static TreeInfo *volumes_simple = NULL;
 369 static TreeInfo *volume_simple_current = NULL;
 370
 371 static TreeInfo *volumes_loops = NULL;
 372 static TreeInfo *volume_loops_current = NULL;
 373
 374 static TreeInfo *volumes_music = NULL;
 375 static TreeInfo *volume_music_current = NULL;
 376
 377 static TreeInfo *touch_controls = NULL;
 378 static TreeInfo *touch_control_current = NULL;
 379
 380 static TreeInfo *move_distances = NULL;
 381 static TreeInfo *move_distance_current = NULL;
 382
 383 static TreeInfo *drop_distances = NULL;
 384 static TreeInfo *drop_distance_current = NULL;
 385
 386 static TreeInfo *transparencies = NULL;
 387 static TreeInfo *transparency_current = NULL;
 388
 389 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 390 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 391
 392 static TreeInfo *player_name = NULL;
 393 static TreeInfo *player_name_current = NULL;
 394
 395 static TreeInfo *level_number = NULL;
 396 static TreeInfo *level_number_current = NULL;
 397
 398 static TreeInfo *score_entries = NULL;
 399 static TreeInfo *score_entry_current = NULL;
 400
 401 static struct ValueTextInfo window_sizes_list[] =
 402 {
 403   {     50,     "50 %"                          },
 404   {     80,     "80 %"                          },
 405   {     90,     "90 %"                          },
 406   {     100,    "100 % (Default)"               },
 407   {     110,    "110 %"                         },
 408   {     120,    "120 %"                         },
 409   {     130,    "130 %"                         },
 410   {     140,    "140 %"                         },
 411   {     150,    "150 %"                         },
 412   {     200,    "200 %"                         },
 413   {     250,    "250 %"                         },
 414   {     300,    "300 %"                         },
 415
 416   {     -1,     NULL                            },
 417 };
 418
 419 static struct StringValueTextInfo scaling_types_list[] =
 420 {
 421   {     SCALING_QUALITY_NEAREST, "Off"          },
 422   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 423   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 424
 425   {     NULL,                    NULL           },
 426 };
 427
 428 static struct StringValueTextInfo rendering_modes_list[] =
 429 {
 430   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 431   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 432 #if DEBUG
 433   // this mode may work under certain conditions, but does not work on Windows
 434   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 435 #endif
 436   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 437
 438   {     NULL,                            NULL                            },
 439 };
 440
 441 static struct StringValueTextInfo vsync_modes_list[] =
 442 {
 443   {     STR_VSYNC_MODE_OFF,             "Off"           },
 444   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 445   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 446
 447   {     NULL,                            NULL           },
 448 };
 449
 450 static struct StringValueTextInfo scores_types_list[] =
 451 {
 452   {     STR_SCORES_TYPE_LOCAL_ONLY,         "Local scores only"         },
 453   {     STR_SCORES_TYPE_SERVER_ONLY,        "Server scores only"        },
 454   {     STR_SCORES_TYPE_LOCAL_AND_SERVER,   "Local and server scores"   },
 455
 456   {     NULL,                           NULL            },
 457 };
 458
 459 static struct ValueTextInfo game_speeds_list_normal[] =
 460 {
 461   {     30,     "Very Slow"                     },
 462   {     25,     "Slow"                          },
 463   {     20,     "Normal"                        },
 464   {     15,     "Fast"                          },
 465   {     10,     "Very Fast"                     },
 466
 467   {     -1,     NULL                            },
 468 };
 469
 470 static struct ValueTextInfo game_speeds_list_extended[] =
 471 {
 472   {     1000,   "1 fps (Extremely Slow)"        },
 473   {     500,    "2 fps"                         },
 474   {     200,    "5 fps"                         },
 475   {     100,    "10 fps"                        },
 476   {     50,     "20 fps"                        },
 477   {     29,     "35 fps (Original Supaplex)"    },
 478   {     25,     "40 fps"                        },
 479   {     20,     "50 fps (=== Normal Speed ===)" },
 480   {     16,     "60 fps (60 Hz VSync Speed)"    },
 481   {     14,     "70 fps (Maximum Supaplex)"     },
 482   {     10,     "100 fps"                       },
 483   {     5,      "200 fps"                       },
 484   {     2,      "500 fps"                       },
 485   {     1,      "1000 fps (Extremely Fast)"     },
 486
 487   {     -1,     NULL                            },
 488 };
 489
 490 static struct ValueTextInfo *game_speeds_list;
 491
 492 static struct ValueTextInfo scroll_delays_list[] =
 493 {
 494   {     0,      "0 Tiles (No Scroll Delay)"     },
 495   {     1,      "1 Tile"                        },
 496   {     2,      "2 Tiles"                       },
 497   {     3,      "3 Tiles (Default)"             },
 498   {     4,      "4 Tiles"                       },
 499   {     5,      "5 Tiles"                       },
 500   {     6,      "6 Tiles"                       },
 501   {     7,      "7 Tiles"                       },
 502   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 503
 504   {     -1,     NULL                            },
 505 };
 506
 507 static struct StringValueTextInfo snapshot_modes_list[] =
 508 {
 509   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 510   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 511   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 512   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 513
 514   {     NULL,                                   NULL            },
 515 };
 516
 517 static struct ValueTextInfo volumes_list[] =
 518 {
 519   {     0,      "0 %"                           },
 520   {     1,      "1 %"                           },
 521   {     2,      "2 %"                           },
 522   {     5,      "5 %"                           },
 523   {     10,     "10 %"                          },
 524   {     20,     "20 %"                          },
 525   {     30,     "30 %"                          },
 526   {     40,     "40 %"                          },
 527   {     50,     "50 %"                          },
 528   {     60,     "60 %"                          },
 529   {     70,     "70 %"                          },
 530   {     80,     "80 %"                          },
 531   {     90,     "90 %"                          },
 532   {     100,    "100 %"                         },
 533
 534   {     -1,     NULL                            },
 535 };
 536
 537 static struct StringValueTextInfo touch_controls_list[] =
 538 {
 539   {     TOUCH_CONTROL_OFF,              "Off"                   },
 540   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 541   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 542   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 543
 544   {     NULL,                           NULL                    },
 545 };
 546
 547 static struct ValueTextInfo distances_list[] =
 548 {
 549   {     1,      "1 %"                           },
 550   {     2,      "2 %"                           },
 551   {     3,      "3 %"                           },
 552   {     4,      "4 %"                           },
 553   {     5,      "5 %"                           },
 554   {     10,     "10 %"                          },
 555   {     15,     "15 %"                          },
 556   {     20,     "20 %"                          },
 557   {     25,     "25 %"                          },
 558
 559   {     -1,     NULL                            },
 560 };
 561
 562 static struct ValueTextInfo transparencies_list[] =
 563 {
 564   {     0,      "0 % (Opaque)"                  },
 565   {     10,     "10 %"                          },
 566   {     20,     "20 %"                          },
 567   {     30,     "30 %"                          },
 568   {     40,     "40 %"                          },
 569   {     50,     "50 %"                          },
 570   {     60,     "60 %"                          },
 571   {     70,     "70 %"                          },
 572   {     80,     "80 %"                          },
 573   {     90,     "90 %"                          },
 574   {     100,    "100 % (Invisible)"             },
 575
 576   {     -1,     NULL                            },
 577 };
 578
 579 static struct ValueTextInfo grid_sizes_list[] =
 580 {
 581   {     3,      "3"                             },
 582   {     4,      "4"                             },
 583   {     5,      "5"                             },
 584   {     6,      "6"                             },
 585   {     7,      "7"                             },
 586   {     8,      "8"                             },
 587   {     9,      "9"                             },
 588   {     10,     "10"                            },
 589   {     11,     "11"                            },
 590   {     12,     "12"                            },
 591   {     13,     "13"                            },
 592   {     14,     "14"                            },
 593   {     15,     "15"                            },
 594   {     16,     "16"                            },
 595   {     17,     "17"                            },
 596   {     18,     "18"                            },
 597   {     19,     "19"                            },
 598   {     20,     "20"                            },
 599   {     21,     "21"                            },
 600   {     22,     "22"                            },
 601   {     23,     "23"                            },
 602   {     24,     "24"                            },
 603   {     25,     "25"                            },
 604   {     26,     "26"                            },
 605   {     27,     "27"                            },
 606   {     28,     "28"                            },
 607   {     29,     "29"                            },
 608   {     30,     "30"                            },
 609   {     31,     "31"                            },
 610   {     32,     "32"                            },
 611
 612   {     -1,     NULL                            },
 613 };
 614
 615 static int align_xoffset = 0;
 616 static int align_yoffset = 0;
 617
 618 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 619                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 620                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 621                                  GAME_MODE_MAIN :                       \
 622                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 623                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 624
 625 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 626 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 627                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 628                                  INFO_MODE_MAIN)
 629
 630 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 631                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 632                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 633                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 634                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 635                                  SETUP_MODE_CHOOSE_OTHER)
 636
 637 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 638                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 639                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 640 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 641                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 642                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 643 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 644                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 645                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 646
 647 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 648                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 649                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 650 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 651                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 652                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 653 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 654                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 655                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 656
 657 #define EXTRA_SPACING_SCORES(i) (EXTRA_SPACING_INFO(i))
 658
 659 #define EXTRA_SPACING_SCOREINFO(i) (menu.extra_spacing[GAME_MODE_SCOREINFO])
 660
 661 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 662                                  DRAW_XOFFSET_INFO(info_mode) :         \
 663                                  (s) == GAME_MODE_SETUP ?               \
 664                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 665                                  menu.draw_xoffset[DRAW_MODE(s)])
 666 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 667                                  DRAW_YOFFSET_INFO(info_mode) :         \
 668                                  (s) == GAME_MODE_SETUP ?               \
 669                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 670                                  menu.draw_yoffset[DRAW_MODE(s)])
 671 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 672                                  EXTRA_SPACING_INFO(info_mode) :        \
 673                                  (s) == GAME_MODE_SETUP ?               \
 674                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 675                                  (s) == GAME_MODE_SCORES ?              \
 676                                  EXTRA_SPACING_SCORES(info_mode) :      \
 677                                  menu.extra_spacing[DRAW_MODE(s)])
 678
 679 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 680 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 681
 682 #define amSX                    (mSX + align_xoffset)
 683 #define amSY                    (mSY + align_yoffset)
 684
 685 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 686                                     menu.list_size[game_status] :       \
 687                                     MAX_MENU_ENTRIES_ON_SCREEN)
 688
 689 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 690                                          NUM_MENU_ENTRIES_ON_SCREEN)
 691
 692
 693 // title display and control definitions
 694
 695 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 696                                  2 * MAX_NUM_TITLE_MESSAGES)
 697
 698 #define NO_DIRECT_LEVEL_SELECT  (-1)
 699
 700
 701 static int num_title_screens = 0;
 702
 703 struct TitleControlInfo
 704 {
 705   boolean is_image;
 706   boolean initial;
 707   boolean first;
 708   int local_nr;
 709   int sort_priority;
 710 };
 711
 712 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 713
 714
 715 // main menu display and control definitions
 716
 717 #define MAIN_CONTROL_NAME                       0
 718 #define MAIN_CONTROL_LEVELS                     1
 719 #define MAIN_CONTROL_SCORES                     2
 720 #define MAIN_CONTROL_EDITOR                     3
 721 #define MAIN_CONTROL_INFO                       4
 722 #define MAIN_CONTROL_GAME                       5
 723 #define MAIN_CONTROL_SETUP                      6
 724 #define MAIN_CONTROL_QUIT                       7
 725 #define MAIN_CONTROL_PREV_LEVEL                 8
 726 #define MAIN_CONTROL_NEXT_LEVEL                 9
 727 #define MAIN_CONTROL_FIRST_LEVEL                10
 728 #define MAIN_CONTROL_LAST_LEVEL                 11
 729 #define MAIN_CONTROL_LEVEL_NUMBER               12
 730 #define MAIN_CONTROL_LEVEL_INFO_1               13
 731 #define MAIN_CONTROL_LEVEL_INFO_2               14
 732 #define MAIN_CONTROL_LEVEL_NAME                 15
 733 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 734 #define MAIN_CONTROL_LEVEL_YEAR                 17
 735 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 736 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 737 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 738 #define MAIN_CONTROL_TITLE_1                    21
 739 #define MAIN_CONTROL_TITLE_2                    22
 740 #define MAIN_CONTROL_TITLE_3                    23
 741
 742 static char str_main_text_name[10];
 743 static char str_main_text_first_level[10];
 744 static char str_main_text_last_level[10];
 745 static char str_main_text_level_number[10];
 746
 747 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 748
 749 static char *main_text_name                     = str_main_text_name;
 750 static char *main_text_first_level              = str_main_text_first_level;
 751 static char *main_text_last_level               = str_main_text_last_level;
 752 static char *main_text_level_number             = str_main_text_level_number;
 753 static char *main_text_levels                   = "Levelset";
 754 static char *main_text_scores                   = "Hall Of Fame";
 755 static char *main_text_editor                   = "Level Creator";
 756 static char *main_text_info                     = "Info Screen";
 757 static char *main_text_game                     = "Start Game";
 758 static char *main_text_setup                    = "Setup";
 759 static char *main_text_quit                     = "Quit";
 760 static char *main_text_level_name               = level.name;
 761 static char *main_text_level_author             = level.author;
 762 static char *main_text_level_year               = NULL;
 763 static char *main_text_level_imported_from      = NULL;
 764 static char *main_text_level_imported_by        = NULL;
 765 static char *main_text_level_tested_by          = NULL;
 766 static char *main_text_title_1                  = NULL;
 767 static char *main_text_title_2                  = NULL;
 768 static char *main_text_title_3                  = NULL;
 769
 770 extern char debug_xsn_mode[];
 771
 772 struct MainControlInfo
 773 {
 774   int nr;
 775
 776   struct MenuPosInfo *pos_button;
 777   int button_graphic;
 778
 779   struct TextPosInfo *pos_text;
 780   char **text;
 781
 782   struct TextPosInfo *pos_input;
 783   char **input;
 784 };
 785
 786 static struct MainControlInfo main_controls[] =
 787 {
 788   {
 789     MAIN_CONTROL_NAME,
 790     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 791     &menu.main.text.name,               &main_text_name,
 792     &menu.main.input.name,              &setup.player_name,
 793   },
 794   {
 795     MAIN_CONTROL_LEVELS,
 796     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 797     &menu.main.text.levels,             &main_text_levels,
 798     NULL,                               NULL,
 799   },
 800   {
 801     MAIN_CONTROL_SCORES,
 802     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 803     &menu.main.text.scores,             &main_text_scores,
 804     NULL,                               NULL,
 805   },
 806   {
 807     MAIN_CONTROL_EDITOR,
 808     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 809     &menu.main.text.editor,             &main_text_editor,
 810     NULL,                               NULL,
 811   },
 812   {
 813     MAIN_CONTROL_INFO,
 814     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 815     &menu.main.text.info,               &main_text_info,
 816     NULL,                               NULL,
 817   },
 818   {
 819     MAIN_CONTROL_GAME,
 820     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 821     &menu.main.text.game,               &main_text_game,
 822     NULL,                               NULL,
 823   },
 824   {
 825     MAIN_CONTROL_SETUP,
 826     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 827     &menu.main.text.setup,              &main_text_setup,
 828     NULL,                               NULL,
 829   },
 830   {
 831     MAIN_CONTROL_QUIT,
 832     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 833     &menu.main.text.quit,               &main_text_quit,
 834     NULL,                               NULL,
 835   },
 836   {
 837     MAIN_CONTROL_PREV_LEVEL,
 838     NULL,                               -1,
 839     NULL,                               NULL,
 840     NULL,                               NULL,
 841   },
 842   {
 843     MAIN_CONTROL_NEXT_LEVEL,
 844     NULL,                               -1,
 845     NULL,                               NULL,
 846     NULL,                               NULL,
 847   },
 848   {
 849     MAIN_CONTROL_FIRST_LEVEL,
 850     NULL,                               -1,
 851     &menu.main.text.first_level,        &main_text_first_level,
 852     NULL,                               NULL,
 853   },
 854   {
 855     MAIN_CONTROL_LAST_LEVEL,
 856     NULL,                               -1,
 857     &menu.main.text.last_level,         &main_text_last_level,
 858     NULL,                               NULL,
 859   },
 860   {
 861     MAIN_CONTROL_LEVEL_NUMBER,
 862     NULL,                               -1,
 863     &menu.main.text.level_number,       &main_text_level_number,
 864     NULL,                               NULL,
 865   },
 866   {
 867     MAIN_CONTROL_LEVEL_INFO_1,
 868     NULL,                               -1,
 869     &menu.main.text.level_info_1,       NULL,
 870     NULL,                               NULL,
 871   },
 872   {
 873     MAIN_CONTROL_LEVEL_INFO_2,
 874     NULL,                               -1,
 875     &menu.main.text.level_info_2,       NULL,
 876     NULL,                               NULL,
 877   },
 878   {
 879     MAIN_CONTROL_LEVEL_NAME,
 880     NULL,                               -1,
 881     &menu.main.text.level_name,         &main_text_level_name,
 882     NULL,                               NULL,
 883   },
 884   {
 885     MAIN_CONTROL_LEVEL_AUTHOR,
 886     NULL,                               -1,
 887     &menu.main.text.level_author,       &main_text_level_author,
 888     NULL,                               NULL,
 889   },
 890   {
 891     MAIN_CONTROL_LEVEL_YEAR,
 892     NULL,                               -1,
 893     &menu.main.text.level_year,         &main_text_level_year,
 894     NULL,                               NULL,
 895   },
 896   {
 897     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 898     NULL,                               -1,
 899     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 900     NULL,                               NULL,
 901   },
 902   {
 903     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 904     NULL,                               -1,
 905     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 906     NULL,                               NULL,
 907   },
 908   {
 909     MAIN_CONTROL_LEVEL_TESTED_BY,
 910     NULL,                               -1,
 911     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 912     NULL,                               NULL,
 913   },
 914   {
 915     MAIN_CONTROL_TITLE_1,
 916     NULL,                               -1,
 917     &menu.main.text.title_1,            &main_text_title_1,
 918     NULL,                               NULL,
 919   },
 920   {
 921     MAIN_CONTROL_TITLE_2,
 922     NULL,                               -1,
 923     &menu.main.text.title_2,            &main_text_title_2,
 924     NULL,                               NULL,
 925   },
 926   {
 927     MAIN_CONTROL_TITLE_3,
 928     NULL,                               -1,
 929     &menu.main.text.title_3,            &main_text_title_3,
 930     NULL,                               NULL,
 931   },
 932
 933   {
 934     -1,
 935     NULL,                               -1,
 936     NULL,                               NULL,
 937     NULL,                               NULL,
 938   }
 939 };
 940
 941
 942 static boolean hasLevelSetInfo(void)
 943 {
 944   return (getLevelSetInfoFilename(0) != NULL);
 945 }
 946
 947 static int getTitleScreenGraphic(int nr, boolean initial)
 948 {
 949   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 950 }
 951
 952 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 953 {
 954   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 955 }
 956
 957 #if 0
 958 static int getTitleScreenGameMode(boolean initial)
 959 {
 960   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 961 }
 962 #endif
 963
 964 static int getTitleMessageGameMode(boolean initial)
 965 {
 966   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 967 }
 968
 969 static int getTitleAnimMode(struct TitleControlInfo *tci)
 970 {
 971   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 972
 973   return base + tci->local_nr;
 974 }
 975
 976 #if 0
 977 static int getTitleScreenBackground(boolean initial)
 978 {
 979   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 980 }
 981 #endif
 982
 983 #if 0
 984 static int getTitleMessageBackground(int nr, boolean initial)
 985 {
 986   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 987 }
 988 #endif
 989
 990 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 991 {
 992   int base = (is_image ?
 993               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 994                          IMG_BACKGROUND_TITLESCREEN_1) :
 995               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 996                          IMG_BACKGROUND_TITLEMESSAGE_1));
 997   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 998                                   IMG_BACKGROUND_TITLE);
 999   int graphic_local = base + nr;
1000
1001   if (graphic_info[graphic_local].bitmap != NULL)
1002     return graphic_local;
1003
1004   if (graphic_info[graphic_global].bitmap != NULL)
1005     return graphic_global;
1006
1007   return IMG_UNDEFINED;
1008 }
1009
1010 static int getTitleSound(struct TitleControlInfo *tci)
1011 {
1012   boolean is_image = tci->is_image;
1013   int initial = tci->initial;
1014   int nr = tci->local_nr;
1015   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1016   int base = (is_image ?
1017               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
1018                          SND_BACKGROUND_TITLESCREEN_1) :
1019               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1020                          SND_BACKGROUND_TITLEMESSAGE_1));
1021   int sound_global = menu.sound[mode];
1022   int sound_local = base + nr;
1023
1024 #if 0
1025   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
1026         nr, initial, is_image,
1027         sound_global, getSoundListEntry(sound_global)->filename,
1028         sound_local, getSoundListEntry(sound_local)->filename);
1029 #endif
1030
1031   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
1032     return sound_local;
1033
1034   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
1035     return sound_global;
1036
1037   return SND_UNDEFINED;
1038 }
1039
1040 static int getTitleMusic(struct TitleControlInfo *tci)
1041 {
1042   boolean is_image = tci->is_image;
1043   int initial = tci->initial;
1044   int nr = tci->local_nr;
1045   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1046   int base = (is_image ?
1047               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
1048                          MUS_BACKGROUND_TITLESCREEN_1) :
1049               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1050                          MUS_BACKGROUND_TITLEMESSAGE_1));
1051   int music_global = menu.music[mode];
1052   int music_local = base + nr;
1053
1054 #if 0
1055   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
1056         nr, initial, is_image,
1057         music_global, getMusicListEntry(music_global)->filename,
1058         music_local, getMusicListEntry(music_local)->filename);
1059 #endif
1060
1061   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
1062     return music_local;
1063
1064   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
1065     return music_global;
1066
1067   return MUS_UNDEFINED;
1068 }
1069
1070 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
1071 {
1072   boolean is_image = tci->is_image;
1073   boolean initial = tci->initial;
1074   boolean first = tci->first;
1075   int nr = tci->local_nr;
1076   struct TitleMessageInfo tmi;
1077   struct TitleFadingInfo ti;
1078
1079   tmi = (is_image ? (initial ? (first ?
1080                                 titlescreen_initial_first[nr] :
1081                                 titlescreen_initial[nr])
1082                              : (first ?
1083                                 titlescreen_first[nr] :
1084                                 titlescreen[nr]))
1085                   : (initial ? (first ?
1086                                 titlemessage_initial_first[nr] :
1087                                 titlemessage_initial[nr])
1088                              : (first ?
1089                                 titlemessage_first[nr] :
1090                                 titlemessage[nr])));
1091
1092   ti.fade_mode  = tmi.fade_mode;
1093   ti.fade_delay = tmi.fade_delay;
1094   ti.post_delay = tmi.post_delay;
1095   ti.auto_delay = tmi.auto_delay;
1096   ti.auto_delay_unit = tmi.auto_delay_unit;
1097
1098   return ti;
1099 }
1100
1101 static int compareTitleControlInfo(const void *object1, const void *object2)
1102 {
1103   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1104   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1105   int compare_result;
1106
1107   if (tci1->initial != tci2->initial)
1108     compare_result = (tci1->initial ? -1 : +1);
1109   else if (tci1->sort_priority != tci2->sort_priority)
1110     compare_result = tci1->sort_priority - tci2->sort_priority;
1111   else if (tci1->is_image != tci2->is_image)
1112     compare_result = (tci1->is_image ? -1 : +1);
1113   else
1114     compare_result = tci1->local_nr - tci2->local_nr;
1115
1116   return compare_result;
1117 }
1118
1119 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1120                                                     boolean initial,
1121                                                     int nr, int sort_priority)
1122 {
1123   title_controls[num_title_screens].is_image = is_image;
1124   title_controls[num_title_screens].initial = initial;
1125   title_controls[num_title_screens].local_nr = nr;
1126   title_controls[num_title_screens].sort_priority = sort_priority;
1127
1128   title_controls[num_title_screens].first = FALSE;      // will be set later
1129
1130   num_title_screens++;
1131 }
1132
1133 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1134 {
1135   int i;
1136
1137   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1138   {
1139     int graphic = getTitleScreenGraphic(i, initial);
1140     Bitmap *bitmap = graphic_info[graphic].bitmap;
1141     int sort_priority = graphic_info[graphic].sort_priority;
1142
1143     if (bitmap != NULL)
1144       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1145   }
1146
1147   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1148   {
1149     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1150     char *filename = getLevelSetTitleMessageFilename(i, initial);
1151     int sort_priority = tmi->sort_priority;
1152
1153     if (filename != NULL)
1154       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1155   }
1156 }
1157
1158 static void InitializeTitleControls(boolean show_title_initial)
1159 {
1160   num_title_screens = 0;
1161
1162   // 1st step: initialize title screens for game start (only when starting)
1163   if (show_title_initial)
1164     InitializeTitleControls_CheckTitleInfo(TRUE);
1165
1166   // 2nd step: initialize title screens for current level set
1167   InitializeTitleControls_CheckTitleInfo(FALSE);
1168
1169   // sort title screens according to sort_priority and title number
1170   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1171         compareTitleControlInfo);
1172
1173   // mark first title screen
1174   title_controls[0].first = TRUE;
1175 }
1176
1177 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1178 {
1179   return (pos != NULL && pos->x != -1 && pos->y != -1);
1180 }
1181
1182 static boolean visibleTextPos(struct TextPosInfo *pos)
1183 {
1184   return (pos != NULL && pos->x != -1 && pos->y != -1);
1185 }
1186
1187 static void InitializeMainControls(void)
1188 {
1189   boolean local_team_mode = (!network.enabled && setup.team_mode);
1190   int i;
1191
1192   // set main control text values to dynamically determined values
1193   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1194
1195   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1196                                          menu.main.text.first_level.size));
1197   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1198                                          menu.main.text.last_level.size));
1199   strcpy(main_text_level_number, int2str(level_nr,
1200                                          menu.main.text.level_number.size));
1201
1202   main_text_level_year          = leveldir_current->year;
1203   main_text_level_imported_from = leveldir_current->imported_from;
1204   main_text_level_imported_by   = leveldir_current->imported_by;
1205   main_text_level_tested_by     = leveldir_current->tested_by;
1206
1207   main_text_title_1 = getConfigProgramTitleString();
1208   main_text_title_2 = getConfigProgramCopyrightString();
1209   main_text_title_3 = getConfigProgramCompanyString();
1210
1211   // set main control screen positions to dynamically determined values
1212   for (i = 0; main_controls[i].nr != -1; i++)
1213   {
1214     struct MainControlInfo *mci = &main_controls[i];
1215     int nr                         = mci->nr;
1216     struct MenuPosInfo *pos_button = mci->pos_button;
1217     struct TextPosInfo *pos_text   = mci->pos_text;
1218     struct TextPosInfo *pos_input  = mci->pos_input;
1219     char *text                     = (mci->text  ? *mci->text  : NULL);
1220     char *input                    = (mci->input ? *mci->input : NULL);
1221     int button_graphic             = mci->button_graphic;
1222     int font_text                  = (pos_text  ? pos_text->font  : -1);
1223     int font_input                 = (pos_input ? pos_input->font : -1);
1224
1225     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1226     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1227     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1228     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1229     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1230     int input_chars = (input != NULL ? strlen(input) : 0);
1231
1232     int button_width =
1233       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1234     int button_height =
1235       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1236     int text_width   = font_text_width * text_chars;
1237     int text_height  = font_text_height;
1238     int input_width  = font_input_width * input_chars;
1239     int input_height = font_input_height;
1240
1241     if (nr == MAIN_CONTROL_NAME)
1242     {
1243       menu.main.input.name.width  = input_width;
1244       menu.main.input.name.height = input_height;
1245     }
1246
1247     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1248     {
1249       pos_button->width  = button_width;
1250       pos_button->height = button_height;
1251     }
1252
1253     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1254     {
1255       // calculate text size -- needed for text alignment
1256       boolean calculate_text_size = (text != NULL);
1257
1258       if (pos_text->width == -1 || calculate_text_size)
1259         pos_text->width = text_width;
1260       if (pos_text->height == -1 || calculate_text_size)
1261         pos_text->height = text_height;
1262
1263       if (visibleMenuPos(pos_button))
1264       {
1265         if (pos_text->x == -1)
1266           pos_text->x = pos_button->x + pos_button->width;
1267         if (pos_text->y == -1)
1268           pos_text->y =
1269             pos_button->y + (pos_button->height - pos_text->height) / 2;
1270       }
1271     }
1272
1273     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1274     {
1275       if (visibleTextPos(pos_text))
1276       {
1277         if (pos_input->x == -1)
1278           pos_input->x = pos_text->x + pos_text->width;
1279         if (pos_input->y == -1)
1280           pos_input->y = pos_text->y;
1281       }
1282
1283       if (pos_input->width == -1)
1284         pos_input->width = input_width;
1285       if (pos_input->height == -1)
1286         pos_input->height = input_height;
1287     }
1288   }
1289 }
1290
1291 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1292                                        int graphic, boolean pressed)
1293 {
1294   struct GraphicInfo *g = &graphic_info[graphic];
1295   Bitmap *src_bitmap;
1296   int src_x, src_y;
1297   int xoffset = (pressed ? g->pressed_xoffset : 0);
1298   int yoffset = (pressed ? g->pressed_yoffset : 0);
1299
1300   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1301
1302   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1303                    g->width, g->height, dst_x, dst_y);
1304 }
1305
1306 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1307                                        boolean active_input,
1308                                        boolean pressed_button)
1309 {
1310   int i;
1311
1312   for (i = 0; main_controls[i].nr != -1; i++)
1313   {
1314     struct MainControlInfo *mci = &main_controls[i];
1315
1316     if (mci->nr == nr || nr == -1)
1317     {
1318       struct MenuPosInfo *pos_button = mci->pos_button;
1319       struct TextPosInfo *pos_text   = mci->pos_text;
1320       struct TextPosInfo *pos_input  = mci->pos_input;
1321       char *text                     = (mci->text  ? *mci->text  : NULL);
1322       char *input                    = (mci->input ? *mci->input : NULL);
1323       int button_graphic             = mci->button_graphic;
1324       int font_text                  = (pos_text  ? pos_text->font  : -1);
1325       int font_input                 = (pos_input ? pos_input->font : -1);
1326
1327       if (active_text)
1328       {
1329         button_graphic = BUTTON_ACTIVE(button_graphic);
1330         font_text = FONT_ACTIVE(font_text);
1331       }
1332
1333       if (active_input)
1334       {
1335         font_input = FONT_ACTIVE(font_input);
1336       }
1337
1338       if (visibleMenuPos(pos_button))
1339       {
1340         struct MenuPosInfo *pos = pos_button;
1341         int x = mSX + pos->x;
1342         int y = mSY + pos->y;
1343
1344         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1345         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1346       }
1347
1348       if (visibleTextPos(pos_text) && text != NULL)
1349       {
1350         struct TextPosInfo *pos = pos_text;
1351         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1352         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1353
1354 #if 1
1355         // (check why/if this is needed)
1356         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1357 #endif
1358         DrawText(x, y, text, font_text);
1359       }
1360
1361       if (visibleTextPos(pos_input) && input != NULL)
1362       {
1363         struct TextPosInfo *pos = pos_input;
1364         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1365         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1366
1367 #if 1
1368         // (check why/if this is needed)
1369         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1370 #endif
1371         DrawText(x, y, input, font_input);
1372       }
1373     }
1374   }
1375 }
1376
1377 static void DrawCursorAndText_Main(int nr, boolean active_text,
1378                                    boolean pressed_button)
1379 {
1380   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1381 }
1382
1383 #if 0
1384 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1385                                          boolean pressed_button)
1386 {
1387   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1388 }
1389 #endif
1390
1391 static struct MainControlInfo *getMainControlInfo(int nr)
1392 {
1393   int i;
1394
1395   for (i = 0; main_controls[i].nr != -1; i++)
1396     if (main_controls[i].nr == nr)
1397       return &main_controls[i];
1398
1399   return NULL;
1400 }
1401
1402 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1403 {
1404   if (rect == NULL)
1405     return FALSE;
1406
1407   int rect_x = ALIGNED_TEXT_XPOS(rect);
1408   int rect_y = ALIGNED_TEXT_YPOS(rect);
1409
1410   return (x >= rect_x && x < rect_x + rect->width &&
1411           y >= rect_y && y < rect_y + rect->height);
1412 }
1413
1414 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1415 {
1416   if (rect == NULL)
1417     return FALSE;
1418
1419   int rect_x = ALIGNED_TEXT_XPOS(rect);
1420   int rect_y = ALIGNED_TEXT_YPOS(rect);
1421
1422 #if 0
1423   Debug("screens:insideTextPosRect",
1424         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1425         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1426         (x >= rect_x && x < rect_x + rect->width &&
1427          y >= rect_y && y < rect_y + rect->height));
1428 #endif
1429
1430   return (x >= rect_x && x < rect_x + rect->width &&
1431           y >= rect_y && y < rect_y + rect->height);
1432 }
1433
1434 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1435 {
1436   int rect_width  = preview->xsize * preview->tile_size;
1437   int rect_height = preview->ysize * preview->tile_size;
1438   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1439   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1440
1441   return (x >= rect_x && x < rect_x + rect_width &&
1442           y >= rect_y && y < rect_y + rect_height);
1443 }
1444
1445 static void AdjustScrollbar(int id, int items_max, int items_visible,
1446                             int item_position)
1447 {
1448   struct GadgetInfo *gi = screen_gadget[id];
1449
1450   if (item_position > items_max - items_visible)
1451     item_position = items_max - items_visible;
1452
1453   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1454                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1455                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1456 }
1457
1458 static void AdjustChooseTreeScrollbar(TreeInfo *ti, int id)
1459 {
1460   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1461                   ti->cl_first);
1462 }
1463
1464 static void clearMenuListArea(void)
1465 {
1466   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1467
1468   // correct scrollbar position if placed outside menu (playfield) area
1469   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1470     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1471
1472   // clear menu list area, but not title or scrollbar
1473   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1474                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1475
1476   // special compatibility handling for "Snake Bite" graphics set
1477   if (strPrefix(leveldir_current->identifier, "snake_bite"))
1478     ClearRectangle(drawto, mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1479                    scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1480 }
1481
1482 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1483 {
1484   static int cursor_array[MAX_LEV_FIELDY];
1485   int x = amSX + TILEX * xpos;
1486   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1487
1488   if (xpos == 0)
1489   {
1490     if (graphic != -1)
1491       cursor_array[ypos] = graphic;
1492     else
1493       graphic = cursor_array[ypos];
1494   }
1495
1496   if (active)
1497     graphic = BUTTON_ACTIVE(graphic);
1498
1499   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1500   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1501 }
1502
1503 static void initCursor(int ypos, int graphic)
1504 {
1505   drawCursorExt(0, ypos, FALSE, graphic);
1506 }
1507
1508 static void drawCursor(int ypos, boolean active)
1509 {
1510   drawCursorExt(0, ypos, active, -1);
1511 }
1512
1513 static void drawCursorXY(int xpos, int ypos, int graphic)
1514 {
1515   drawCursorExt(xpos, ypos, FALSE, graphic);
1516 }
1517
1518 static void drawChooseTreeCursor(int ypos, boolean active)
1519 {
1520   drawCursorExt(0, ypos, active, -1);
1521 }
1522
1523 static int getChooseTreeEditFont(boolean active)
1524 {
1525   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1526 }
1527
1528 static int getChooseTreeEditXPos(int pos)
1529 {
1530   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1531   int xoffset = (has_scrollbar ? -1 : 0);
1532   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1533   int sx = amSX + xpos * TILEX;
1534   int font_nr = getChooseTreeEditFont(FALSE);
1535   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1536
1537   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1538 }
1539
1540 static int getChooseTreeEditYPos(int ypos_raw)
1541 {
1542   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1543   int sy = amSY + ypos * TILEY;
1544
1545   return sy;
1546 }
1547
1548 static int getChooseTreeEditXPosReal(int pos)
1549 {
1550   int xpos = getChooseTreeEditXPos(pos);
1551   int font_nr = getChooseTreeEditFont(FALSE);
1552   int font_xoffset = getFontDrawOffsetX(font_nr);
1553
1554   return xpos + font_xoffset;
1555 }
1556
1557 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1558 {
1559   int sx = getChooseTreeEditXPos(POS_LEFT);
1560   int sy = getChooseTreeEditYPos(ypos_raw);
1561   int font_nr = getChooseTreeEditFont(active);
1562
1563   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1564 }
1565
1566 static void DrawInfoScreen_Headline(int screen_nr, int num_screens,
1567                                     int use_global_screens)
1568 {
1569   char *info_text_title_1 = getInfoScreenTitle_Generic();
1570   char info_text_title_2[MAX_LINE_LEN + 1];
1571
1572   if (num_screens > 1)
1573   {
1574     sprintf(info_text_title_2, "Page %d of %d", screen_nr + 1, num_screens);
1575   }
1576   else
1577   {
1578     char *text_format = (use_global_screens ? "for %s" : "for \"%s\"");
1579     int max_text_len = SXSIZE / getFontWidth(FONT_TITLE_2);
1580     int max_name_len = max_text_len - strlen(text_format) - strlen("%s");
1581     char name_cut[max_name_len];
1582     char *name_full = (use_global_screens ? getProgramTitleString() :
1583                        leveldir_current->name);
1584
1585     snprintf(name_cut, max_name_len, "%s", name_full);
1586     snprintf(info_text_title_2, max_text_len, text_format, name_cut);
1587   }
1588
1589   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, info_text_title_1);
1590   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, info_text_title_2);
1591 }
1592
1593 static void DrawTitleScreenImage(int nr, boolean initial)
1594 {
1595   int graphic = getTitleScreenGraphic(nr, initial);
1596   Bitmap *bitmap = graphic_info[graphic].bitmap;
1597   int width  = graphic_info[graphic].width;
1598   int height = graphic_info[graphic].height;
1599   int src_x = graphic_info[graphic].src_x;
1600   int src_y = graphic_info[graphic].src_y;
1601   int dst_x, dst_y;
1602
1603   if (bitmap == NULL)
1604     return;
1605
1606   if (width > WIN_XSIZE)
1607   {
1608     // image width too large for window => center image horizontally
1609     src_x = (width - WIN_XSIZE) / 2;
1610     width = WIN_XSIZE;
1611   }
1612
1613   if (height > WIN_YSIZE)
1614   {
1615     // image height too large for window => center image vertically
1616     src_y = (height - WIN_YSIZE) / 2;
1617     height = WIN_YSIZE;
1618   }
1619
1620   // always display title screens centered
1621   dst_x = (WIN_XSIZE - width) / 2;
1622   dst_y = (WIN_YSIZE - height) / 2;
1623
1624   SetDrawBackgroundMask(REDRAW_ALL);
1625   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1626
1627   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1628
1629   if (DrawingOnBackground(dst_x, dst_y))
1630     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1631   else
1632     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1633
1634   redraw_mask = REDRAW_ALL;
1635 }
1636
1637 static void DrawTitleScreenMessage(int nr, boolean initial)
1638 {
1639   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1640   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1641
1642   if (filename == NULL)
1643     return;
1644
1645   // force TITLE font on title message screen
1646   SetFontStatus(getTitleMessageGameMode(initial));
1647
1648   // if chars *and* width set to "-1", automatically determine width
1649   if (tmi->chars == -1 && tmi->width == -1)
1650     tmi->width = viewport.window[game_status].width;
1651
1652   // if lines *and* height set to "-1", automatically determine height
1653   if (tmi->lines == -1 && tmi->height == -1)
1654     tmi->height = viewport.window[game_status].height;
1655
1656   // if chars set to "-1", automatically determine by text and font width
1657   if (tmi->chars == -1)
1658     tmi->chars = tmi->width / getFontWidth(tmi->font);
1659   else
1660     tmi->width = tmi->chars * getFontWidth(tmi->font);
1661
1662   // if lines set to "-1", automatically determine by text and font height
1663   if (tmi->lines == -1)
1664     tmi->lines = tmi->height / getFontHeight(tmi->font);
1665   else
1666     tmi->height = tmi->lines * getFontHeight(tmi->font);
1667
1668   // if x set to "-1", automatically determine by width and alignment
1669   if (tmi->x == -1)
1670     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1671
1672   // if y set to "-1", automatically determine by height and alignment
1673   if (tmi->y == -1)
1674     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1675
1676   SetDrawBackgroundMask(REDRAW_ALL);
1677   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1678
1679   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1680
1681   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1682                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1683                tmi->autowrap, tmi->centered, tmi->parse_comments);
1684
1685   ResetFontStatus();
1686 }
1687
1688 static void DrawTitleScreen(void)
1689 {
1690   KeyboardAutoRepeatOff();
1691
1692   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1693 }
1694
1695 static boolean CheckTitleScreen(boolean levelset_has_changed)
1696 {
1697   static boolean show_title_initial = TRUE;
1698   boolean show_titlescreen = FALSE;
1699
1700   // needed to be able to skip title screen, if no image or message defined
1701   InitializeTitleControls(show_title_initial);
1702
1703   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1704     show_titlescreen = TRUE;
1705
1706   // show initial title images and messages only once at program start
1707   show_title_initial = FALSE;
1708
1709   return (show_titlescreen && num_title_screens > 0);
1710 }
1711
1712 void DrawMainMenu(void)
1713 {
1714   static LevelDirTree *leveldir_last_valid = NULL;
1715   boolean levelset_has_changed = FALSE;
1716   int fade_mask = REDRAW_FIELD;
1717
1718   LimitScreenUpdates(FALSE);
1719
1720   FadeSetLeaveScreen();
1721
1722   // do not fade out here -- function may continue and fade on editor screen
1723
1724   UnmapAllGadgets();
1725   FadeMenuSoundsAndMusic();
1726
1727   ExpireSoundLoops(FALSE);
1728
1729   KeyboardAutoRepeatOn();
1730
1731   audio.sound_deactivated = FALSE;
1732
1733   GetPlayerConfig();
1734
1735   // needed if last screen was the playing screen, invoked from level editor
1736   if (level_editor_test_game)
1737   {
1738     CloseDoor(DOOR_CLOSE_ALL);
1739
1740     SetGameStatus(GAME_MODE_EDITOR);
1741
1742     DrawLevelEd();
1743
1744     return;
1745   }
1746
1747   // needed if last screen was the playing screen, invoked from hall of fame
1748   if (score_info_tape_play)
1749   {
1750     CloseDoor(DOOR_CLOSE_ALL);
1751
1752     SetGameStatus(GAME_MODE_SCOREINFO);
1753
1754     DrawScoreInfo(scores.last_entry_nr);
1755
1756     return;
1757   }
1758
1759   // reset flag to continue playing next level from hall of fame
1760   scores.continue_playing = FALSE;
1761
1762   // leveldir_current may be invalid (level group, parent link, node copy)
1763   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1764
1765   if (leveldir_current != leveldir_last_valid)
1766   {
1767     // level setup config may have been loaded to "last played" tree node copy,
1768     // but "leveldir_current" now points to the "original" level set tree node,
1769     // in which case "handicap_level" may still default to the first level
1770     LoadLevelSetup_SeriesInfo();
1771
1772     UpdateLastPlayedLevels_TreeInfo();
1773
1774     levelset_has_changed = TRUE;
1775   }
1776
1777   // store valid level series information
1778   leveldir_last_valid = leveldir_current;
1779
1780   // needed if last screen (level choice) changed graphics, sounds or music
1781   ReloadCustomArtwork(0);
1782
1783   if (CheckTitleScreen(levelset_has_changed))
1784   {
1785     SetGameStatus(GAME_MODE_TITLE);
1786
1787     DrawTitleScreen();
1788
1789     return;
1790   }
1791
1792   if (redraw_mask & REDRAW_ALL)
1793     fade_mask = REDRAW_ALL;
1794
1795   if (CheckFadeAll())
1796     fade_mask = REDRAW_ALL;
1797
1798   FadeOut(fade_mask);
1799
1800   // needed if different viewport properties defined for menues
1801   ChangeViewportPropertiesIfNeeded();
1802
1803   SetDrawtoField(DRAW_TO_BACKBUFFER);
1804
1805   // level_nr may have been set to value over handicap with level editor
1806   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1807     level_nr = leveldir_current->handicap_level;
1808
1809   LoadLevel(level_nr);
1810   LoadScore(level_nr);
1811
1812   SaveLevelSetup_SeriesInfo();
1813
1814   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1815   SetDrawDeactivationMask(REDRAW_NONE);
1816   SetDrawBackgroundMask(REDRAW_FIELD);
1817
1818   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1819
1820 #if 0
1821   if (fade_mask == REDRAW_ALL)
1822     RedrawGlobalBorder();
1823 #endif
1824
1825   ClearField();
1826
1827   InitializeMainControls();
1828
1829   DrawCursorAndText_Main(-1, FALSE, FALSE);
1830   DrawPreviewLevelInitial();
1831   DrawNetworkPlayers();
1832
1833   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1834
1835   TapeStop();
1836   if (TAPE_IS_EMPTY(tape))
1837     LoadTape(level_nr);
1838   DrawCompleteVideoDisplay();
1839
1840   PlayMenuSoundsAndMusic();
1841
1842   // create gadgets for main menu screen
1843   FreeScreenGadgets();
1844   CreateScreenGadgets();
1845
1846   // may be required if audio buttons shown on tape and changed in setup menu
1847   FreeGameButtons();
1848   CreateGameButtons();
1849
1850   // map gadgets for main menu screen
1851   MapTapeButtons();
1852   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1853   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1854   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SET_INFO, hasLevelSetInfo());
1855
1856   // copy actual game door content to door double buffer for OpenDoor()
1857   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1858   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1859
1860   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1861
1862   DrawMaskedBorder(fade_mask);
1863
1864   FadeIn(fade_mask);
1865   FadeSetEnterMenu();
1866
1867   // update screen area with special editor door
1868   redraw_mask |= REDRAW_ALL;
1869   BackToFront();
1870
1871   SetMouseCursor(CURSOR_DEFAULT);
1872
1873   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1874
1875   SyncEmscriptenFilesystem();
1876
1877   // needed once after program start or after user change
1878   CheckApiServerTasks();
1879 }
1880
1881 static void gotoTopLevelDir(void)
1882 {
1883   // move upwards until inside (but not above) top level directory
1884   while (leveldir_current->node_parent &&
1885          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1886   {
1887     // write a "path" into level tree for easy navigation to last level
1888     if (leveldir_current->node_parent->node_group->cl_first == -1)
1889     {
1890       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1891       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1892       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1893       int cl_first, cl_cursor;
1894
1895       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1896       cl_cursor = leveldir_pos - cl_first;
1897
1898       leveldir_current->node_parent->node_group->cl_first = cl_first;
1899       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1900     }
1901
1902     leveldir_current = leveldir_current->node_parent;
1903   }
1904 }
1905
1906 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1907 {
1908   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1909
1910   return (use_frame_counter ? video.frame_counter : Counter());
1911 }
1912
1913 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1914                                      struct TitleFadingInfo *fi)
1915 {
1916   return DelayReachedExt2(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1917 }
1918
1919 static void ResetTitleAutoDelay(unsigned int *counter_var,
1920                                 struct TitleFadingInfo *fi)
1921 {
1922   *counter_var = getAutoDelayCounter(fi);
1923 }
1924
1925 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1926 {
1927   static unsigned int title_delay = 0;
1928   static int title_screen_nr = 0;
1929   static int last_sound = -1, last_music = -1;
1930   boolean return_to_main_menu = FALSE;
1931   struct TitleControlInfo *tci;
1932   int sound, music;
1933
1934   if (button == MB_MENU_INITIALIZE)
1935   {
1936     title_delay = 0;
1937     title_screen_nr = 0;
1938     tci = &title_controls[title_screen_nr];
1939
1940     SetAnimStatus(getTitleAnimMode(tci));
1941
1942     last_sound = SND_UNDEFINED;
1943     last_music = MUS_UNDEFINED;
1944
1945     if (num_title_screens != 0)
1946     {
1947       FadeSetEnterScreen();
1948
1949       // use individual title fading instead of global "enter screen" fading
1950       fading = getTitleFading(tci);
1951     }
1952
1953     if (game_status_last_screen == GAME_MODE_INFO)
1954     {
1955       if (num_title_screens == 0)
1956       {
1957         // switch game mode from title screen mode back to info screen mode
1958         SetGameStatus(GAME_MODE_INFO);
1959
1960         // store that last screen was info screen, not main menu screen
1961         game_status_last_screen = GAME_MODE_INFO;
1962
1963         DrawInfoScreen_NotAvailable("Title screen information:",
1964                                     "No title screen for this level set.");
1965         return;
1966       }
1967     }
1968
1969     FadeMenuSoundsAndMusic();
1970
1971     FadeOut(REDRAW_ALL);
1972
1973     // title screens may have different window size
1974     ChangeViewportPropertiesIfNeeded();
1975
1976     // only required to update logic for redrawing global border
1977     ClearField();
1978
1979     if (tci->is_image)
1980       DrawTitleScreenImage(tci->local_nr, tci->initial);
1981     else
1982       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1983
1984     sound = getTitleSound(tci);
1985     music = getTitleMusic(tci);
1986
1987     if (sound != last_sound)
1988       PlayMenuSoundExt(sound);
1989     if (music != last_music)
1990       PlayMenuMusicExt(music);
1991
1992     last_sound = sound;
1993     last_music = music;
1994
1995     SetMouseCursor(CURSOR_NONE);
1996
1997     FadeIn(REDRAW_ALL);
1998
1999     ResetTitleAutoDelay(&title_delay, &fading);
2000
2001     return;
2002   }
2003
2004   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
2005     button = MB_MENU_CHOICE;
2006
2007   if (button == MB_MENU_LEAVE)
2008   {
2009     return_to_main_menu = TRUE;
2010   }
2011   else if (button == MB_MENU_CHOICE || dx)
2012   {
2013     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
2014     {
2015       SetGameStatus(GAME_MODE_INFO);
2016
2017       info_mode = INFO_MODE_MAIN;
2018
2019       DrawInfoScreen();
2020
2021       return;
2022     }
2023
2024     title_screen_nr +=
2025       (game_status_last_screen == GAME_MODE_INFO && dx < 0 ? -1 : +1);
2026
2027     if (title_screen_nr >= 0 && title_screen_nr < num_title_screens)
2028     {
2029       tci = &title_controls[title_screen_nr];
2030
2031       SetAnimStatus(getTitleAnimMode(tci));
2032
2033       sound = getTitleSound(tci);
2034       music = getTitleMusic(tci);
2035
2036       if (last_sound != SND_UNDEFINED && sound != last_sound)
2037         FadeSound(last_sound);
2038       if (last_music != MUS_UNDEFINED && music != last_music)
2039         FadeMusic();
2040
2041       fading = getTitleFading(tci);
2042
2043       FadeOut(REDRAW_ALL);
2044
2045       if (tci->is_image)
2046         DrawTitleScreenImage(tci->local_nr, tci->initial);
2047       else
2048         DrawTitleScreenMessage(tci->local_nr, tci->initial);
2049
2050       sound = getTitleSound(tci);
2051       music = getTitleMusic(tci);
2052
2053       if (sound != last_sound)
2054         PlayMenuSoundExt(sound);
2055       if (music != last_music)
2056         PlayMenuMusicExt(music);
2057
2058       last_sound = sound;
2059       last_music = music;
2060
2061       FadeIn(REDRAW_ALL);
2062
2063       ResetTitleAutoDelay(&title_delay, &fading);
2064     }
2065     else
2066     {
2067       FadeMenuSoundsAndMusic();
2068
2069       return_to_main_menu = TRUE;
2070     }
2071   }
2072
2073   if (return_to_main_menu)
2074   {
2075     SetMouseCursor(CURSOR_DEFAULT);
2076
2077     // force full menu screen redraw after displaying title screens
2078     redraw_mask = REDRAW_ALL;
2079
2080     if (game_status_last_screen == GAME_MODE_INFO)
2081     {
2082       SetGameStatus(GAME_MODE_INFO);
2083
2084       info_mode = INFO_MODE_MAIN;
2085
2086       DrawInfoScreen();
2087     }
2088     else        // default: return to main menu
2089     {
2090       SetGameStatus(GAME_MODE_MAIN);
2091
2092       DrawMainMenu();
2093     }
2094   }
2095 }
2096
2097 static void HandleMainMenu_ToggleTeamMode(void)
2098 {
2099   setup.team_mode = !setup.team_mode;
2100
2101   InitializeMainControls();
2102   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
2103
2104   DrawPreviewPlayers();
2105 }
2106
2107 static void HandleMainMenu_SelectLevel(int step, int direction,
2108                                        int selected_level_nr)
2109 {
2110   int old_level_nr = level_nr;
2111   int new_level_nr;
2112
2113   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
2114     new_level_nr = selected_level_nr;
2115   else
2116     new_level_nr = old_level_nr + step * direction;
2117
2118   if (new_level_nr < leveldir_current->first_level)
2119     new_level_nr = leveldir_current->first_level;
2120   if (new_level_nr > leveldir_current->last_level)
2121     new_level_nr = leveldir_current->last_level;
2122
2123   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
2124   {
2125     // skipping levels is only allowed when trying to skip single level
2126     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
2127         Request("Level still unsolved! Skip it anyway?", REQ_ASK))
2128     {
2129       leveldir_current->handicap_level++;
2130       SaveLevelSetup_SeriesInfo();
2131     }
2132
2133     new_level_nr = leveldir_current->handicap_level;
2134   }
2135
2136   if (new_level_nr != old_level_nr)
2137   {
2138     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2139
2140     PlaySound(SND_MENU_ITEM_SELECTING);
2141
2142     level_nr = new_level_nr;
2143
2144     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2145              int2str(level_nr, menu.main.text.level_number.size),
2146              mci->pos_text->font);
2147
2148     LoadLevel(level_nr);
2149     DrawPreviewLevelInitial();
2150
2151     TapeErase();
2152     LoadTape(level_nr);
2153     DrawCompleteVideoDisplay();
2154
2155     SaveLevelSetup_SeriesInfo();
2156
2157     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2158
2159     // force redraw of playfield area (may be reset at this point)
2160     redraw_mask |= REDRAW_FIELD;
2161   }
2162 }
2163
2164 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2165 {
2166   static int choice = MAIN_CONTROL_GAME;
2167   static boolean button_pressed_last = FALSE;
2168   boolean button_pressed = FALSE;
2169   int pos = choice;
2170   int i = 0;    // needed to prevent compiler warning due to bad code below
2171
2172   if (button == MB_MENU_INITIALIZE)
2173   {
2174     DrawCursorAndText_Main(choice, TRUE, FALSE);
2175
2176     return;
2177   }
2178
2179   if (mx || my)         // mouse input
2180   {
2181     pos = -1;
2182
2183     for (i = 0; main_controls[i].nr != -1; i++)
2184     {
2185       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2186           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2187           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2188       {
2189         pos = main_controls[i].nr;
2190
2191         break;
2192       }
2193     }
2194
2195     // check if level preview was clicked
2196     if (insidePreviewRect(&preview, mx - SX, my - SY))
2197       pos = MAIN_CONTROL_GAME;
2198
2199     // handle pressed/unpressed state for active/inactive menu buttons
2200     // (if pos != -1, "i" contains index position corresponding to "pos")
2201     if (button &&
2202         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2203         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2204       button_pressed = TRUE;
2205
2206     if (button_pressed != button_pressed_last)
2207     {
2208       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2209
2210       if (button_pressed)
2211         PlaySound(SND_MENU_BUTTON_PRESSING);
2212       else
2213         PlaySound(SND_MENU_BUTTON_RELEASING);
2214     }
2215   }
2216   else if (dx || dy)    // keyboard input
2217   {
2218     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2219                    choice == MAIN_CONTROL_SETUP))
2220       button = MB_MENU_CHOICE;
2221     else if (dy)
2222       pos = choice + dy;
2223   }
2224
2225   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2226   {
2227     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2228   }
2229   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2230   {
2231     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2232   }
2233   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2234   {
2235     CloseDoor(DOOR_CLOSE_2);
2236
2237     SetGameStatus(GAME_MODE_LEVELNR);
2238
2239     DrawChooseLevelNr();
2240   }
2241   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2242   {
2243     if (button)
2244     {
2245       if (pos != choice)
2246       {
2247         PlaySound(SND_MENU_ITEM_ACTIVATING);
2248
2249         DrawCursorAndText_Main(choice, FALSE, FALSE);
2250         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2251
2252         choice = pos;
2253       }
2254       else if (dx != 0)
2255       {
2256         if (choice == MAIN_CONTROL_NAME)
2257         {
2258           // special case: cursor left or right pressed -- toggle team mode
2259           HandleMainMenu_ToggleTeamMode();
2260         }
2261         else if (choice != MAIN_CONTROL_INFO &&
2262                  choice != MAIN_CONTROL_SETUP)
2263         {
2264           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2265         }
2266       }
2267     }
2268     else
2269     {
2270       PlaySound(SND_MENU_ITEM_SELECTING);
2271
2272       if (pos == MAIN_CONTROL_NAME)
2273       {
2274         if ((mx || my) &&
2275             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2276         {
2277           // special case: menu text "name/team" clicked -- toggle team mode
2278           HandleMainMenu_ToggleTeamMode();
2279         }
2280         else
2281         {
2282           if (setup.multiple_users)
2283           {
2284             CloseDoor(DOOR_CLOSE_2);
2285
2286             SetGameStatus(GAME_MODE_NAMES);
2287
2288             DrawChoosePlayerName();
2289           }
2290           else
2291           {
2292             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2293
2294             DrawTypeName();
2295           }
2296         }
2297       }
2298       else if (pos == MAIN_CONTROL_LEVELS)
2299       {
2300         if (leveldir_first)
2301         {
2302           CloseDoor(DOOR_CLOSE_2);
2303
2304           SetGameStatus(GAME_MODE_LEVELS);
2305
2306           SaveLevelSetup_LastSeries();
2307           SaveLevelSetup_SeriesInfo();
2308
2309           // restore level set if chosen from "last played level set" menu
2310           RestoreLastPlayedLevels(&leveldir_current);
2311
2312           if (setup.internal.choose_from_top_leveldir)
2313             gotoTopLevelDir();
2314
2315           DrawChooseLevelSet();
2316         }
2317       }
2318       else if (pos == MAIN_CONTROL_SCORES)
2319       {
2320         CloseDoor(DOOR_CLOSE_2);
2321
2322         SetGameStatus(GAME_MODE_SCORES);
2323
2324         DrawHallOfFame(level_nr);
2325       }
2326       else if (pos == MAIN_CONTROL_EDITOR)
2327       {
2328         if (leveldir_current->readonly &&
2329             setup.editor.show_read_only_warning)
2330           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2331
2332         CloseDoor(DOOR_CLOSE_ALL);
2333
2334         SetGameStatus(GAME_MODE_EDITOR);
2335
2336         FadeSetEnterScreen();
2337
2338         DrawLevelEd();
2339       }
2340       else if (pos == MAIN_CONTROL_INFO)
2341       {
2342         CloseDoor(DOOR_CLOSE_2);
2343
2344         SetGameStatus(GAME_MODE_INFO);
2345
2346         info_mode = INFO_MODE_MAIN;
2347
2348         DrawInfoScreen();
2349       }
2350       else if (pos == MAIN_CONTROL_GAME)
2351       {
2352         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2353       }
2354       else if (pos == MAIN_CONTROL_SETUP)
2355       {
2356         CloseDoor(DOOR_CLOSE_2);
2357
2358         SetGameStatus(GAME_MODE_SETUP);
2359
2360         setup_mode = SETUP_MODE_MAIN;
2361
2362         DrawSetupScreen();
2363       }
2364       else if (pos == MAIN_CONTROL_QUIT)
2365       {
2366         SaveLevelSetup_LastSeries();
2367         SaveLevelSetup_SeriesInfo();
2368
2369 #if defined(PLATFORM_EMSCRIPTEN)
2370         Request("Close the browser window to quit!", REQ_CONFIRM);
2371 #else
2372         if (!setup.ask_on_quit_program ||
2373             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2374           SetGameStatus(GAME_MODE_QUIT);
2375 #endif
2376       }
2377     }
2378   }
2379
2380   button_pressed_last = button_pressed;
2381 }
2382
2383
2384 // ============================================================================
2385 // info screen functions
2386 // ============================================================================
2387
2388 static struct TokenInfo *info_info;
2389 static int num_info_info;       // number of info entries shown on screen
2390 static int max_info_info;       // total number of info entries in list
2391
2392 static void execInfoTitleScreen(void)
2393 {
2394   info_mode = INFO_MODE_TITLE;
2395
2396   DrawInfoScreen();
2397 }
2398
2399 static void execInfoElements(void)
2400 {
2401   info_mode = INFO_MODE_ELEMENTS;
2402
2403   DrawInfoScreen();
2404 }
2405
2406 static void execInfoMusic(void)
2407 {
2408   info_mode = INFO_MODE_MUSIC;
2409
2410   DrawInfoScreen();
2411 }
2412
2413 static void execInfoCredits(void)
2414 {
2415   info_mode = INFO_MODE_CREDITS;
2416
2417   DrawInfoScreen();
2418 }
2419
2420 static void execInfoProgram(void)
2421 {
2422   info_mode = INFO_MODE_PROGRAM;
2423
2424   DrawInfoScreen();
2425 }
2426
2427 static void execInfoVersion(void)
2428 {
2429   info_mode = INFO_MODE_VERSION;
2430
2431   DrawInfoScreen();
2432 }
2433
2434 static void execInfoLevelSet(void)
2435 {
2436   info_mode = INFO_MODE_LEVELSET;
2437
2438   DrawInfoScreen();
2439 }
2440
2441 static void execExitInfo(void)
2442 {
2443   SetGameStatus(GAME_MODE_MAIN);
2444
2445   DrawMainMenu();
2446 }
2447
2448 static struct TokenInfo info_info_main[] =
2449 {
2450   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    STR_INFO_TITLE          },
2451   { TYPE_ENTER_SCREEN,  execInfoElements,       STR_INFO_ELEMENTS       },
2452   { TYPE_ENTER_SCREEN,  execInfoMusic,          STR_INFO_MUSIC          },
2453   { TYPE_ENTER_SCREEN,  execInfoCredits,        STR_INFO_CREDITS        },
2454   { TYPE_ENTER_SCREEN,  execInfoProgram,        STR_INFO_PROGRAM        },
2455   { TYPE_ENTER_SCREEN,  execInfoVersion,        STR_INFO_VERSION        },
2456   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       STR_INFO_LEVELSET       },
2457   { TYPE_EMPTY,         NULL,                   ""                      },
2458   { TYPE_LEAVE_MENU,    execExitInfo,           STR_INFO_EXIT           },
2459
2460   { 0,                  NULL,                   NULL                    }
2461 };
2462
2463 static int getMenuTextFont(int type)
2464 {
2465   if (type & (TYPE_SWITCH       |
2466               TYPE_YES_NO       |
2467               TYPE_YES_NO_AUTO  |
2468               TYPE_STRING       |
2469               TYPE_PLAYER       |
2470               TYPE_ECS_AGA      |
2471               TYPE_KEYTEXT      |
2472               TYPE_ENTER_LIST   |
2473               TYPE_TEXT_INPUT))
2474     return FONT_MENU_2;
2475   else
2476     return FONT_MENU_1;
2477 }
2478
2479 static struct TokenInfo *setup_info;
2480 static struct TokenInfo setup_info_input[];
2481
2482 static struct TokenInfo *menu_info;
2483
2484 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2485                                        int screen_pos, int menu_info_pos_raw,
2486                                        boolean active)
2487 {
2488   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2489   struct TokenInfo *ti = &token_info[pos];
2490   int xpos = MENU_SCREEN_START_XPOS;
2491   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2492   int font_nr = getMenuTextFont(ti->type);
2493
2494   if (setup_mode == SETUP_MODE_INPUT)
2495     font_nr = FONT_MENU_1;
2496
2497   if (active)
2498     font_nr = FONT_ACTIVE(font_nr);
2499
2500   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2501
2502   if (ti->type & ~TYPE_SKIP_ENTRY)
2503     drawCursor(screen_pos, active);
2504 }
2505
2506 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2507                                    boolean active)
2508 {
2509   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2510 }
2511
2512 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2513                                     boolean active)
2514 {
2515   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2516 }
2517
2518 static char *window_size_text;
2519 static char *scaling_type_text;
2520 static char *network_server_text;
2521
2522 static void drawSetupValue(int, int);
2523
2524 static void drawMenuInfoList(int first_entry, int num_page_entries,
2525                              int max_page_entries)
2526 {
2527   int i;
2528
2529   if (first_entry + num_page_entries > max_page_entries)
2530     first_entry = 0;
2531
2532   clearMenuListArea();
2533
2534   for (i = 0; i < num_page_entries; i++)
2535   {
2536     int menu_info_pos = first_entry + i;
2537     struct TokenInfo *si = &menu_info[menu_info_pos];
2538     void *value_ptr = si->value;
2539
2540     // set some entries to "unchangeable" according to other variables
2541     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2542         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2543         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2544         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2545         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2546         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2547       si->type |= TYPE_GHOSTED;
2548
2549     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2550       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2551     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2552       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2553     else if (si->type & ~TYPE_SKIP_ENTRY)
2554       initCursor(i, IMG_MENU_BUTTON);
2555
2556     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2557
2558     if (si->type & TYPE_STRING)
2559     {
2560       int gadget_id = -1;
2561
2562       if (value_ptr == &network_server_text)
2563         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2564
2565       if (gadget_id != -1)
2566       {
2567         struct GadgetInfo *gi = screen_gadget[gadget_id];
2568         int xpos = MENU_SCREEN_START_XPOS;
2569         int ypos = MENU_SCREEN_START_YPOS + i;
2570         int x = mSX + xpos * 32;
2571         int y = mSY + ypos * 32;
2572
2573         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2574       }
2575     }
2576
2577     if (si->type & TYPE_VALUE &&
2578         menu_info == setup_info)
2579       drawSetupValue(i, menu_info_pos);
2580   }
2581 }
2582
2583 static void DrawInfoScreen_Main(void)
2584 {
2585   int fade_mask = REDRAW_FIELD;
2586   int i;
2587
2588   // (needed after displaying info sub-screens directly from main menu)
2589   if (info_screens_from_main)
2590   {
2591     info_screens_from_main = FALSE;
2592
2593     SetGameStatus(GAME_MODE_MAIN);
2594
2595     DrawMainMenu();
2596
2597     return;
2598   }
2599
2600   if (redraw_mask & REDRAW_ALL)
2601     fade_mask = REDRAW_ALL;
2602
2603   if (CheckFadeAll())
2604     fade_mask = REDRAW_ALL;
2605
2606   UnmapAllGadgets();
2607   FadeMenuSoundsAndMusic();
2608
2609   FreeScreenGadgets();
2610   CreateScreenGadgets();
2611
2612   // (needed after displaying title screens which disable auto repeat)
2613   KeyboardAutoRepeatOn();
2614
2615   FadeSetLeaveScreen();
2616
2617   FadeOut(fade_mask);
2618
2619   // needed if different viewport properties defined for info screen
2620   ChangeViewportPropertiesIfNeeded();
2621
2622   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2623
2624   ClearField();
2625
2626   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2627
2628   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_INFO_MAIN);
2629
2630   info_info = info_info_main;
2631
2632   // use modified info screen info without info screen entries marked as hidden
2633   info_info = getSetupInfoFinal(info_info);
2634
2635   // determine maximal number of info entries that can be displayed on screen
2636   num_info_info = 0;
2637   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2638     num_info_info++;
2639
2640   // determine maximal number of info entries available for menu of info screen
2641   max_info_info = 0;
2642   for (i = 0; info_info[i].type != 0; i++)
2643     max_info_info++;
2644
2645   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2646
2647   MapScreenGadgets(max_info_info);
2648
2649   PlayMenuSoundsAndMusic();
2650
2651   DrawMaskedBorder(fade_mask);
2652
2653   FadeIn(fade_mask);
2654 }
2655
2656 static void changeSetupValue(int, int, int);
2657
2658 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2659                              int mode, int num_page_entries,
2660                              int max_page_entries)
2661 {
2662   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2663   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2664   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2665   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2666   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2667   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2668   int *num_page_entries_last = num_page_entries_all_last[game_status];
2669   int *choice_store = choice_stores[game_status];
2670   int *first_entry_store = first_entry_stores[game_status];
2671   int choice = choice_store[mode];              // starts with 0
2672   int first_entry = first_entry_store[mode];    // starts with 0
2673   int x = 0;
2674   int y = choice - first_entry;
2675   int y_old = y;
2676   boolean position_set_by_scrollbar = (dx == 999);
2677   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2678   int i;
2679
2680   if (button == MB_MENU_INITIALIZE)
2681   {
2682     // check if number of menu page entries has changed (may happen by change
2683     // of custom artwork definition value for 'list_size' for this menu screen)
2684     // (in this case, the last menu position most probably has to be corrected)
2685     if (num_page_entries != num_page_entries_last[mode])
2686     {
2687       choice_store[mode] = first_entry_store[mode] = 0;
2688
2689       choice = first_entry = 0;
2690       y = y_old = 0;
2691
2692       num_page_entries_last[mode] = num_page_entries;
2693     }
2694
2695     // advance to first valid menu entry
2696     while (choice < num_page_entries &&
2697            menu_info[choice].type & TYPE_SKIP_ENTRY)
2698       choice++;
2699
2700     if (position_set_by_scrollbar)
2701       first_entry = first_entry_store[mode] = dy;
2702     else
2703       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2704                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2705
2706     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2707
2708     if (choice < first_entry)
2709     {
2710       choice = first_entry;
2711
2712       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2713         choice++;
2714     }
2715     else if (choice > first_entry + num_page_entries - 1)
2716     {
2717       choice = first_entry + num_page_entries - 1;
2718
2719       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2720         choice--;
2721     }
2722
2723     choice_store[mode] = choice;
2724
2725     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2726
2727     return;
2728   }
2729   else if (button == MB_MENU_LEAVE)
2730   {
2731     PlaySound(SND_MENU_ITEM_SELECTING);
2732
2733     for (i = 0; i < max_page_entries; i++)
2734     {
2735       if (menu_info[i].type & TYPE_LEAVE_MENU)
2736       {
2737         void (*menu_callback_function)(void) = menu_info[i].value;
2738
2739         FadeSetLeaveMenu();
2740
2741         menu_callback_function();
2742
2743         break;  // absolutely needed because function changes 'menu_info'!
2744       }
2745     }
2746
2747     return;
2748   }
2749
2750   if (mx || my)         // mouse input
2751   {
2752     x = (mx - mSX) / 32;
2753     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2754   }
2755   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2756   {
2757     // move cursor instead of scrolling when already at start/end of list
2758     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2759       dy = -1;
2760     else if (dy == +1 * SCROLL_LINE &&
2761              first_entry + num_page_entries == max_page_entries)
2762       dy = 1;
2763
2764     // handle scrolling screen one line or page
2765     if (y + dy < 0 ||
2766         y + dy > num_page_entries - 1)
2767     {
2768       boolean redraw = FALSE;
2769
2770       if (ABS(dy) == SCROLL_PAGE)
2771         step = num_page_entries - 1;
2772
2773       if (dy < 0 && first_entry > 0)
2774       {
2775         // scroll page/line up
2776
2777         first_entry -= step;
2778         if (first_entry < 0)
2779           first_entry = 0;
2780
2781         redraw = TRUE;
2782       }
2783       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2784       {
2785         // scroll page/line down
2786
2787         first_entry += step;
2788         if (first_entry + num_page_entries > max_page_entries)
2789           first_entry = MAX(0, max_page_entries - num_page_entries);
2790
2791         redraw = TRUE;
2792       }
2793
2794       if (redraw)
2795       {
2796         choice += first_entry - first_entry_store[mode];
2797
2798         if (choice < first_entry)
2799         {
2800           choice = first_entry;
2801
2802           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2803             choice++;
2804         }
2805         else if (choice > first_entry + num_page_entries - 1)
2806         {
2807           choice = first_entry + num_page_entries - 1;
2808
2809           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2810             choice--;
2811         }
2812         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2813         {
2814           choice += SIGN(dy);
2815
2816           if (choice < first_entry ||
2817               choice > first_entry + num_page_entries - 1)
2818           first_entry += SIGN(dy);
2819         }
2820
2821         first_entry_store[mode] = first_entry;
2822         choice_store[mode] = choice;
2823
2824         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2825
2826         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2827
2828         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2829                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2830       }
2831
2832       return;
2833     }
2834
2835     if (dx)
2836     {
2837       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2838
2839       if (menu_info[choice].type & menu_navigation_type ||
2840           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2841           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2842           menu_info[choice].type & TYPE_PLAYER)
2843         button = MB_MENU_CHOICE;
2844     }
2845     else if (dy)
2846       y += dy;
2847
2848     // jump to next non-empty menu entry (up or down)
2849     while (first_entry + y > 0 &&
2850            first_entry + y < max_page_entries - 1 &&
2851            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2852       y += dy;
2853
2854     if (!IN_VIS_MENU(x, y))
2855     {
2856       choice += y - y_old;
2857
2858       if (choice < first_entry)
2859         first_entry = choice;
2860       else if (choice > first_entry + num_page_entries - 1)
2861         first_entry = choice - num_page_entries + 1;
2862
2863       if (first_entry >= 0 &&
2864           first_entry + num_page_entries <= max_page_entries)
2865       {
2866         first_entry_store[mode] = first_entry;
2867
2868         if (choice < first_entry)
2869           choice = first_entry;
2870         else if (choice > first_entry + num_page_entries - 1)
2871           choice = first_entry + num_page_entries - 1;
2872
2873         choice_store[mode] = choice;
2874
2875         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2876
2877         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2878
2879         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2880                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2881       }
2882
2883       return;
2884     }
2885   }
2886
2887   if (!anyScrollbarGadgetActive() &&
2888       IN_VIS_MENU(x, y) &&
2889       mx < mx_right_border &&
2890       y >= 0 && y < num_page_entries)
2891   {
2892     if (button)
2893     {
2894       if (first_entry + y != choice &&
2895           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2896       {
2897         PlaySound(SND_MENU_ITEM_ACTIVATING);
2898
2899         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2900         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2901
2902         choice = choice_store[mode] = first_entry + y;
2903       }
2904       else if (dx < 0)
2905       {
2906         PlaySound(SND_MENU_ITEM_SELECTING);
2907
2908         for (i = 0; menu_info[i].type != 0; i++)
2909         {
2910           if (menu_info[i].type & TYPE_LEAVE_MENU)
2911           {
2912             void (*menu_callback_function)(void) = menu_info[i].value;
2913
2914             FadeSetLeaveMenu();
2915
2916             menu_callback_function();
2917
2918             // absolutely needed because function changes 'menu_info'!
2919             break;
2920           }
2921         }
2922
2923         return;
2924       }
2925     }
2926     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2927     {
2928       PlaySound(SND_MENU_ITEM_SELECTING);
2929
2930       // when selecting key headline, execute function for key value change
2931       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2932           menu_info[first_entry + y + 1].type & TYPE_KEY)
2933         y++;
2934
2935       // when selecting string value, execute function for list selection
2936       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2937           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2938         y--;
2939
2940       // when selecting string value, execute function for text input gadget
2941       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2942           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2943         y--;
2944
2945       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2946       {
2947         void (*menu_callback_function)(void) =
2948           menu_info[first_entry + y].value;
2949
2950         FadeSetFromType(menu_info[first_entry + y].type);
2951
2952         menu_callback_function();
2953       }
2954       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2955       {
2956         void (*gadget_callback_function)(void) =
2957           menu_info[first_entry + y].value;
2958
2959         gadget_callback_function();
2960       }
2961       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2962                menu_info == setup_info)
2963       {
2964         changeSetupValue(y, first_entry + y, dx);
2965       }
2966     }
2967   }
2968 }
2969
2970 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2971 {
2972   menu_info = info_info;
2973
2974   HandleMenuScreen(mx, my, dx, dy, button,
2975                    info_mode, num_info_info, max_info_info);
2976 }
2977
2978 static int getMenuFontSpacing(int spacing_height, int font_nr)
2979 {
2980   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2981
2982   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2983           spacing_height);
2984 }
2985
2986 static int getMenuTextSpacing(int spacing_height, int font_nr)
2987 {
2988   return (getMenuFontSpacing(spacing_height, font_nr) +
2989           EXTRA_SPACING(game_status));
2990 }
2991
2992 static int getMenuTextStep(int spacing_height, int font_nr)
2993 {
2994   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2995 }
2996
2997 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2998 {
2999   int font_error = FONT_TEXT_2;
3000   int font_foot  = MENU_INFO_FONT_FOOT;
3001   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3002   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3003
3004   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
3005
3006   FadeOut(REDRAW_FIELD);
3007
3008   ClearField();
3009
3010   DrawInfoScreen_Headline(0, 1, FALSE);
3011
3012   DrawTextSCentered(ystart, font_error, text_error);
3013   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3014
3015   FadeIn(REDRAW_FIELD);
3016 }
3017
3018 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
3019 {
3020   static int infoscreen_step[MAX_INFO_ELEMENTS_IN_ARRAY];
3021   static int infoscreen_frame[MAX_INFO_ELEMENTS_IN_ARRAY];
3022   int font_foot = MENU_INFO_FONT_FOOT;
3023   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
3024   int ystart = mSY + MENU_SCREEN_INFO_YSTART;
3025   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3026   int ystep = MENU_SCREEN_INFO_YSTEP;
3027   int element, action, direction;
3028   int graphic;
3029   int delay;
3030   int sync_frame;
3031   int i, j;
3032
3033   if (init)
3034   {
3035     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
3036       infoscreen_step[i] = infoscreen_frame[i] = 0;
3037
3038     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3039
3040     FrameCounter = 0;
3041   }
3042
3043   i = j = 0;
3044   while (helpanim_info[j].element != HELPANIM_LIST_END)
3045   {
3046     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
3047         i >= max_anims)
3048       break;
3049     else if (i < start)
3050     {
3051       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3052         j++;
3053
3054       j++;
3055       i++;
3056
3057       continue;
3058     }
3059
3060     j += infoscreen_step[i - start];
3061
3062     element = helpanim_info[j].element;
3063     action = helpanim_info[j].action;
3064     direction = helpanim_info[j].direction;
3065
3066     if (element < 0)
3067       element = EL_UNKNOWN;
3068
3069     if (action != -1 && direction != -1)
3070       graphic = el_act_dir2img(element, action, direction);
3071     else if (action != -1)
3072       graphic = el_act2img(element, action);
3073     else if (direction != -1)
3074       graphic = el_dir2img(element, direction);
3075     else
3076       graphic = el2img(element);
3077
3078     delay = helpanim_info[j++].delay;
3079
3080     if (delay == -1)
3081       delay = 1000000;
3082
3083     if (infoscreen_frame[i - start] == 0)
3084     {
3085       sync_frame = 0;
3086       infoscreen_frame[i - start] = delay - 1;
3087     }
3088     else
3089     {
3090       sync_frame = delay - infoscreen_frame[i - start];
3091       infoscreen_frame[i - start]--;
3092     }
3093
3094     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
3095     {
3096       if (!infoscreen_frame[i - start])
3097         infoscreen_step[i - start] = 0;
3098     }
3099     else
3100     {
3101       if (!infoscreen_frame[i - start])
3102         infoscreen_step[i - start]++;
3103       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3104         j++;
3105     }
3106
3107     j++;
3108
3109     ClearRectangleOnBackground(drawto, xstart, ystart + (i - start) * ystep,
3110                                TILEX, TILEY);
3111     DrawFixedGraphicAnimationExt(drawto, xstart, ystart + (i - start) * ystep,
3112                                  graphic, sync_frame, USE_MASKING);
3113
3114     if (init)
3115       DrawInfoScreen_HelpText(element, action, direction, i - start);
3116
3117     i++;
3118   }
3119
3120   redraw_mask |= REDRAW_FIELD;
3121
3122   FrameCounter++;
3123 }
3124
3125 static char *getHelpText(int element, int action, int direction)
3126 {
3127   char token[MAX_LINE_LEN];
3128
3129   strcpy(token, element_info[element].token_name);
3130
3131   if (action != -1)
3132     strcat(token, element_action_info[action].suffix);
3133
3134   if (direction != -1)
3135     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
3136
3137   return getHashEntry(helptext_info, token);
3138 }
3139
3140 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3141 {
3142   int font_nr = FONT_INFO_ELEMENTS;
3143   int font_width = getFontWidth(font_nr);
3144   int font_height = getFontHeight(font_nr);
3145   int yoffset = (TILEX - 2 * font_height) / 2;
3146   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3147   int ystart = mSY + MENU_SCREEN_INFO_YSTART + yoffset;
3148   int ystep = TILEY + 4;
3149   int pad_left = xstart - SX;
3150   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3151   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3152   int max_lines_per_text = 2;
3153   char *text = NULL;
3154
3155   if (action != -1 && direction != -1)          // element.action.direction
3156     text = getHelpText(element, action, direction);
3157
3158   if (text == NULL && action != -1)             // element.action
3159     text = getHelpText(element, action, -1);
3160
3161   if (text == NULL && direction != -1)          // element.direction
3162     text = getHelpText(element, -1, direction);
3163
3164   if (text == NULL)                             // base element
3165     text = getHelpText(element, -1, -1);
3166
3167   if (text == NULL)                             // not found
3168     text = "No description available";
3169
3170   if (strlen(text) <= max_chars_per_line)       // only one line of text
3171     ystart += getFontHeight(font_nr) / 2;
3172
3173   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3174                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3175                  TRUE, FALSE, FALSE);
3176 }
3177
3178 static void DrawInfoScreen_TitleScreen(void)
3179 {
3180   SetGameStatus(GAME_MODE_TITLE);
3181
3182   DrawTitleScreen();
3183 }
3184
3185 void HandleInfoScreen_TitleScreen(int dx, int dy, int button)
3186 {
3187   HandleTitleScreen(0, 0, dx, dy, button);
3188 }
3189
3190 static void DrawInfoScreen_Elements(void)
3191 {
3192   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3193
3194   FadeOut(REDRAW_FIELD);
3195
3196   LoadHelpAnimInfo();
3197   LoadHelpTextInfo();
3198
3199   HandleInfoScreen_Elements(0, 0, MB_MENU_INITIALIZE);
3200
3201   FadeIn(REDRAW_FIELD);
3202 }
3203
3204 void HandleInfoScreen_Elements(int dx, int dy, int button)
3205 {
3206   static DelayCounter info_delay = { 0 };
3207   static int num_anims;
3208   static int num_pages;
3209   static int page;
3210   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3211   int i;
3212
3213   info_delay.value = GameFrameDelay;
3214
3215   if (button == MB_MENU_INITIALIZE)
3216   {
3217     boolean new_element = TRUE;
3218
3219     num_anims = 0;
3220
3221     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3222     {
3223       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3224         new_element = TRUE;
3225       else if (new_element)
3226       {
3227         num_anims++;
3228         new_element = FALSE;
3229       }
3230     }
3231
3232     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3233     page = 0;
3234   }
3235
3236   if (button == MB_MENU_LEAVE)
3237   {
3238     PlaySound(SND_MENU_ITEM_SELECTING);
3239
3240     info_mode = INFO_MODE_MAIN;
3241     DrawInfoScreen();
3242
3243     return;
3244   }
3245   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3246   {
3247     if (button != MB_MENU_INITIALIZE)
3248     {
3249       PlaySound(SND_MENU_ITEM_SELECTING);
3250
3251       page += (dx < 0 ? -1 : +1);
3252     }
3253
3254     if (page < 0 || page >= num_pages)
3255     {
3256       FadeMenuSoundsAndMusic();
3257
3258       info_mode = INFO_MODE_MAIN;
3259       DrawInfoScreen();
3260
3261       return;
3262     }
3263
3264     if (button != MB_MENU_INITIALIZE)
3265       FadeSetNextScreen();
3266
3267     if (button != MB_MENU_INITIALIZE)
3268       FadeOut(REDRAW_FIELD);
3269
3270     ClearField();
3271
3272     DrawInfoScreen_Headline(page, num_pages, TRUE);
3273     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3274
3275     if (button != MB_MENU_INITIALIZE)
3276       FadeIn(REDRAW_FIELD);
3277   }
3278   else
3279   {
3280     if (DelayReached(&info_delay))
3281       if (page < num_pages)
3282         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3283
3284     PlayMenuSoundIfLoop();
3285   }
3286 }
3287
3288 static void DrawInfoScreen_Music(void)
3289 {
3290   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3291
3292   FadeOut(REDRAW_FIELD);
3293
3294   ClearField();
3295
3296   DrawInfoScreen_Headline(0, 1, TRUE);
3297
3298   LoadMusicInfo();
3299
3300   HandleInfoScreen_Music(0, 0, MB_MENU_INITIALIZE);
3301
3302   FadeIn(REDRAW_FIELD);
3303 }
3304
3305 void HandleInfoScreen_Music(int dx, int dy, int button)
3306 {
3307   static struct MusicFileInfo *list = NULL;
3308   static int num_screens = 0;
3309   static int screen_nr = 0;
3310   int font_title = MENU_INFO_FONT_TITLE;
3311   int font_head  = MENU_INFO_FONT_HEAD;
3312   int font_text  = MENU_INFO_FONT_TEXT;
3313   int font_foot  = MENU_INFO_FONT_FOOT;
3314   int spacing_head = menu.headline2_spacing_info[info_mode];
3315   int ystep_head = getMenuTextStep(spacing_head,  font_head);
3316   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3317   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3318
3319   if (button == MB_MENU_INITIALIZE)
3320   {
3321     struct MusicFileInfo *list_ptr = music_file_info;
3322
3323     num_screens = 0;
3324     screen_nr = 0;
3325
3326     while (list_ptr != NULL)
3327     {
3328       list_ptr = list_ptr->next;
3329       num_screens++;
3330     }
3331
3332     list = music_file_info;
3333
3334     if (list == NULL)
3335     {
3336       FadeMenuSoundsAndMusic();
3337
3338       ClearField();
3339
3340       DrawInfoScreen_Headline(0, 1, TRUE);
3341
3342       DrawTextSCentered(ystart, font_title, "No music info for this level set.");
3343       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3344
3345       return;
3346     }
3347   }
3348
3349   if (button == MB_MENU_LEAVE)
3350   {
3351     PlaySound(SND_MENU_ITEM_SELECTING);
3352
3353     FadeMenuSoundsAndMusic();
3354
3355     info_mode = INFO_MODE_MAIN;
3356     DrawInfoScreen();
3357
3358     return;
3359   }
3360   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3361   {
3362     if (button != MB_MENU_INITIALIZE)
3363     {
3364       PlaySound(SND_MENU_ITEM_SELECTING);
3365
3366       if (list != NULL)
3367       {
3368         list = (dx < 0 ? list->prev : list->next);
3369         screen_nr += (dx < 0 ? -1 : +1);
3370       }
3371     }
3372
3373     if (list == NULL)
3374     {
3375       FadeMenuSoundsAndMusic();
3376
3377       info_mode = INFO_MODE_MAIN;
3378       DrawInfoScreen();
3379
3380       return;
3381     }
3382
3383     FadeMenuSoundsAndMusic();
3384
3385     if (list != music_file_info)
3386       FadeSetNextScreen();
3387
3388     if (button != MB_MENU_INITIALIZE)
3389       FadeOut(REDRAW_FIELD);
3390
3391     ClearField();
3392
3393     DrawInfoScreen_Headline(screen_nr, num_screens, TRUE);
3394
3395     if (list->is_sound)
3396     {
3397       int sound = list->music;
3398
3399       if (IS_LOOP_SOUND(sound))
3400         PlaySoundLoop(sound);
3401       else
3402         PlaySound(sound);
3403     }
3404     else
3405     {
3406       int music = list->music;
3407
3408       if (IS_LOOP_MUSIC(music))
3409         PlayMusicLoop(music);
3410       else
3411         PlayMusic(music);
3412     }
3413
3414     if (!strEqual(list->title, UNKNOWN_NAME))
3415     {
3416       if (!strEqual(list->title_header, UNKNOWN_NAME))
3417         DrawTextSCentered(ystart, font_head, list->title_header);
3418       else
3419         DrawTextSCentered(ystart, font_head, "Track");
3420
3421       ystart += ystep_head;
3422
3423       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3424       ystart += ystep_head;
3425     }
3426
3427     if (!strEqual(list->artist, UNKNOWN_NAME))
3428     {
3429       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3430         DrawTextSCentered(ystart, font_head, list->artist_header);
3431       else
3432         DrawTextSCentered(ystart, font_head, "by");
3433
3434       ystart += ystep_head;
3435
3436       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3437       ystart += ystep_head;
3438     }
3439
3440     if (!strEqual(list->album, UNKNOWN_NAME))
3441     {
3442       if (!strEqual(list->album_header, UNKNOWN_NAME))
3443         DrawTextSCentered(ystart, font_head, list->album_header);
3444       else
3445         DrawTextSCentered(ystart, font_head, "from the album");
3446
3447       ystart += ystep_head;
3448
3449       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3450       ystart += ystep_head;
3451     }
3452
3453     if (!strEqual(list->year, UNKNOWN_NAME))
3454     {
3455       if (!strEqual(list->year_header, UNKNOWN_NAME))
3456         DrawTextSCentered(ystart, font_head, list->year_header);
3457       else
3458         DrawTextSCentered(ystart, font_head, "from the year");
3459
3460       ystart += ystep_head;
3461
3462       DrawTextFCentered(ystart, font_text, "%s", list->year);
3463       ystart += ystep_head;
3464     }
3465
3466     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3467
3468     if (button != MB_MENU_INITIALIZE)
3469       FadeIn(REDRAW_FIELD);
3470   }
3471
3472   if (list != NULL && list->is_sound && IS_LOOP_SOUND(list->music))
3473     PlaySoundLoop(list->music);
3474 }
3475
3476 static void DrawInfoScreen_Version(void)
3477 {
3478   int font_head = MENU_INFO_FONT_HEAD;
3479   int font_text = MENU_INFO_FONT_TEXT;
3480   int font_foot = MENU_INFO_FONT_FOOT;
3481   int spacing_head = menu.headline2_spacing_info[info_mode];
3482   int spacing_para = menu.paragraph_spacing_info[info_mode];
3483   int spacing_line = menu.line_spacing_info[info_mode];
3484   int xstep = getFontWidth(font_text);
3485   int ystep_head = getMenuTextStep(spacing_head,  font_head);
3486   int ystep_para = getMenuTextStep(spacing_para,  font_text);
3487   int ystep_line = getMenuTextStep(spacing_line,  font_text);
3488   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3489   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3490   int xstart1 = mSX - SX + 2 * xstep;
3491   int xstart2 = mSX - SX + 18 * xstep;
3492   int xstart3 = mSX - SX + 28 * xstep;
3493   SDL_version sdl_version_compiled;
3494   const SDL_version *sdl_version_linked;
3495   int driver_name_len = 10;
3496   SDL_version sdl_version_linked_ext;
3497   const char *driver_name = NULL;
3498
3499   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3500
3501   FadeOut(REDRAW_FIELD);
3502
3503   ClearField();
3504
3505   DrawInfoScreen_Headline(0, 1, TRUE);
3506
3507   DrawTextF(xstart1, ystart, font_head, "Name");
3508   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3509   ystart += ystep_line;
3510
3511   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3512   {
3513     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3514     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3515     ystart += ystep_line;
3516
3517     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3518     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3519     ystart += ystep_line;
3520   }
3521   else
3522   {
3523     DrawTextF(xstart1, ystart, font_head, "Version");
3524     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3525     ystart += ystep_line;
3526   }
3527
3528   DrawTextF(xstart1, ystart, font_head, "Platform");
3529   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3530             PLATFORM_STRING,
3531             PLATFORM_XX_BIT_STRING);
3532   ystart += ystep_line;
3533
3534   DrawTextF(xstart1, ystart, font_head, "Target");
3535   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3536   ystart += ystep_line;
3537
3538   DrawTextF(xstart1, ystart, font_head, "Source date");
3539   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3540   ystart += ystep_line;
3541
3542   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3543   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3544   ystart += ystep_para;
3545
3546   DrawTextF(xstart1, ystart, font_head, "Library");
3547   DrawTextF(xstart2, ystart, font_head, "compiled");
3548   DrawTextF(xstart3, ystart, font_head, "linked");
3549   ystart += ystep_head;
3550
3551   SDL_VERSION(&sdl_version_compiled);
3552   SDL_GetVersion(&sdl_version_linked_ext);
3553   sdl_version_linked = &sdl_version_linked_ext;
3554
3555   DrawTextF(xstart1, ystart, font_text, "SDL");
3556   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3557             sdl_version_compiled.major,
3558             sdl_version_compiled.minor,
3559             sdl_version_compiled.patch);
3560   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3561             sdl_version_linked->major,
3562             sdl_version_linked->minor,
3563             sdl_version_linked->patch);
3564   ystart += ystep_line;
3565
3566   SDL_IMAGE_VERSION(&sdl_version_compiled);
3567   sdl_version_linked = IMG_Linked_Version();
3568
3569   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3570   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3571             sdl_version_compiled.major,
3572             sdl_version_compiled.minor,
3573             sdl_version_compiled.patch);
3574   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3575             sdl_version_linked->major,
3576             sdl_version_linked->minor,
3577             sdl_version_linked->patch);
3578   ystart += ystep_line;
3579
3580   SDL_MIXER_VERSION(&sdl_version_compiled);
3581   sdl_version_linked = Mix_Linked_Version();
3582
3583   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3584   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3585             sdl_version_compiled.major,
3586             sdl_version_compiled.minor,
3587             sdl_version_compiled.patch);
3588   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3589             sdl_version_linked->major,
3590             sdl_version_linked->minor,
3591             sdl_version_linked->patch);
3592   ystart += ystep_line;
3593
3594   SDL_NET_VERSION(&sdl_version_compiled);
3595   sdl_version_linked = SDLNet_Linked_Version();
3596
3597   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3598   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3599             sdl_version_compiled.major,
3600             sdl_version_compiled.minor,
3601             sdl_version_compiled.patch);
3602   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3603             sdl_version_linked->major,
3604             sdl_version_linked->minor,
3605             sdl_version_linked->patch);
3606   ystart += ystep_para;
3607
3608   DrawTextF(xstart1, ystart, font_head, "Driver");
3609   DrawTextF(xstart2, ystart, font_head, "Requested");
3610   DrawTextF(xstart3, ystart, font_head, "Used");
3611   ystart += ystep_head;
3612
3613   driver_name =
3614     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3615
3616   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3617   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3618   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3619   ystart += ystep_line;
3620
3621   driver_name =
3622     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3623
3624   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3625   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3626   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3627   ystart += ystep_line;
3628
3629   driver_name =
3630     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3631
3632   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3633   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3634   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3635
3636   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3637
3638   FadeIn(REDRAW_FIELD);
3639 }
3640
3641 void HandleInfoScreen_Version(int button)
3642 {
3643   if (button == MB_MENU_LEAVE)
3644   {
3645     PlaySound(SND_MENU_ITEM_SELECTING);
3646
3647     info_mode = INFO_MODE_MAIN;
3648     DrawInfoScreen();
3649
3650     return;
3651   }
3652   else if (button == MB_MENU_CHOICE)
3653   {
3654     PlaySound(SND_MENU_ITEM_SELECTING);
3655
3656     FadeMenuSoundsAndMusic();
3657
3658     info_mode = INFO_MODE_MAIN;
3659     DrawInfoScreen();
3660   }
3661   else
3662   {
3663     PlayMenuSoundIfLoop();
3664   }
3665 }
3666
3667 static char *getInfoScreenTitle_Generic(void)
3668 {
3669   return (info_mode == INFO_MODE_MAIN     ? STR_INFO_MAIN     :
3670           info_mode == INFO_MODE_TITLE    ? STR_INFO_TITLE    :
3671           info_mode == INFO_MODE_ELEMENTS ? STR_INFO_ELEMENTS :
3672           info_mode == INFO_MODE_MUSIC    ? STR_INFO_MUSIC    :
3673           info_mode == INFO_MODE_CREDITS  ? STR_INFO_CREDITS  :
3674           info_mode == INFO_MODE_PROGRAM  ? STR_INFO_PROGRAM  :
3675           info_mode == INFO_MODE_VERSION  ? STR_INFO_VERSION  :
3676           info_mode == INFO_MODE_LEVELSET ? STR_INFO_LEVELSET :
3677           "");
3678 }
3679
3680 static int getInfoScreenBackground_Generic(void)
3681 {
3682   return (info_mode == INFO_MODE_CREDITS  ? IMG_BACKGROUND_INFO_CREDITS  :
3683           info_mode == INFO_MODE_PROGRAM  ? IMG_BACKGROUND_INFO_PROGRAM  :
3684           info_mode == INFO_MODE_LEVELSET ? IMG_BACKGROUND_INFO_LEVELSET :
3685           IMG_BACKGROUND_INFO);
3686 }
3687
3688 static char *getInfoScreenFilename_Generic(int nr, boolean global)
3689 {
3690   return (info_mode == INFO_MODE_CREDITS  ? getCreditsFilename(nr, global) :
3691           info_mode == INFO_MODE_PROGRAM  ? getProgramInfoFilename(nr)     :
3692           info_mode == INFO_MODE_LEVELSET ? getLevelSetInfoFilename(nr)    :
3693           NULL);
3694 }
3695
3696 static void DrawInfoScreen_GenericScreen(int screen_nr, int num_screens,
3697                                          int use_global_screens)
3698 {
3699   char *filename = getInfoScreenFilename_Generic(screen_nr, use_global_screens);
3700   int font_text = MENU_INFO_FONT_TEXT;
3701   int font_foot = MENU_INFO_FONT_FOOT;
3702   int spacing_line = menu.line_spacing_info[info_mode];
3703   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3704
3705   ClearField();
3706
3707   DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
3708
3709   if (info_mode == INFO_MODE_CREDITS ||
3710       info_mode == INFO_MODE_PROGRAM)
3711   {
3712     int width = SXSIZE;
3713     int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART;
3714     int chars = width / getFontWidth(font_text);
3715     int lines = height / getFontHeight(font_text);
3716     int padx = (width - chars * getFontWidth(font_text)) / 2;
3717     int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3718     boolean autowrap = FALSE;
3719     boolean centered = TRUE;
3720     boolean parse_comments = TRUE;
3721
3722     DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART,
3723                  filename, font_text, chars, -1, lines, line_spacing, -1,
3724                  autowrap, centered, parse_comments);
3725   }
3726   else if (info_mode == INFO_MODE_LEVELSET)
3727   {
3728     struct TitleMessageInfo *tmi = &readme;
3729
3730     // if x position set to "-1", automatically determine by playfield width
3731     if (tmi->x == -1)
3732       tmi->x = SXSIZE / 2;
3733
3734     // if y position set to "-1", use static default value
3735     if (tmi->y == -1)
3736       tmi->y = MENU_SCREEN_INFO_YSTART;
3737
3738     // if width set to "-1", automatically determine by playfield width
3739     if (tmi->width == -1)
3740       tmi->width = SXSIZE - 2 * TILEX;
3741
3742     // if height set to "-1", automatically determine by playfield height
3743     if (tmi->height == -1)
3744       tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3745
3746     // if chars set to "-1", automatically determine by text and font width
3747     if (tmi->chars == -1)
3748       tmi->chars = tmi->width / getFontWidth(tmi->font);
3749     else
3750       tmi->width = tmi->chars * getFontWidth(tmi->font);
3751
3752     // if lines set to "-1", automatically determine by text and font height
3753     if (tmi->lines == -1)
3754       tmi->lines = tmi->height / getFontHeight(tmi->font);
3755     else
3756       tmi->height = tmi->lines * getFontHeight(tmi->font);
3757
3758     DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3759                  filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3760                  tmi->autowrap, tmi->centered, tmi->parse_comments);
3761   }
3762
3763   boolean last_screen = (screen_nr == num_screens - 1);
3764   char *text_foot = (last_screen ? TEXT_NEXT_MENU : TEXT_NEXT_PAGE);
3765
3766   DrawTextSCentered(ybottom, font_foot, text_foot);
3767 }
3768
3769 static void DrawInfoScreen_Generic(void)
3770 {
3771   SetMainBackgroundImageIfDefined(getInfoScreenBackground_Generic());
3772
3773   FadeMenuSoundsAndMusic();
3774
3775   FadeOut(REDRAW_FIELD);
3776
3777   HandleInfoScreen_Generic(0, 0, MB_MENU_INITIALIZE);
3778
3779   FadeIn(REDRAW_FIELD);
3780 }
3781
3782 void HandleInfoScreen_Generic(int dx, int dy, int button)
3783 {
3784   static char *text_no_info = "";
3785   static int num_screens = 0;
3786   static int screen_nr = 0;
3787   static boolean use_global_screens = FALSE;
3788
3789   if (button == MB_MENU_INITIALIZE)
3790   {
3791     num_screens = 0;
3792     screen_nr = 0;
3793
3794     if (info_mode == INFO_MODE_CREDITS)
3795     {
3796       int i;
3797
3798       for (i = 0; i < 2; i++)
3799       {
3800         use_global_screens = i;         // check for "FALSE", then "TRUE"
3801
3802         // determine number of (global or level set specific) credits screens
3803         while (getCreditsFilename(num_screens, use_global_screens) != NULL)
3804           num_screens++;
3805
3806         if (num_screens > 0)
3807           break;
3808       }
3809
3810       text_no_info = "No credits available.";
3811     }
3812     else if (info_mode == INFO_MODE_PROGRAM)
3813     {
3814       use_global_screens = TRUE;
3815
3816       // determine number of program info screens
3817       while (getProgramInfoFilename(num_screens) != NULL)
3818         num_screens++;
3819
3820       text_no_info = "No program info available.";
3821     }
3822     else if (info_mode == INFO_MODE_LEVELSET)
3823     {
3824       use_global_screens = FALSE;
3825
3826       // determine number of levelset info screens
3827       while (getLevelSetInfoFilename(num_screens) != NULL)
3828         num_screens++;
3829
3830       text_no_info = "No level set info available.";
3831     }
3832
3833     if (num_screens == 0)
3834     {
3835       int font_title = MENU_INFO_FONT_TITLE;
3836       int font_foot  = MENU_INFO_FONT_FOOT;
3837       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3838       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3839
3840       ClearField();
3841
3842       DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
3843
3844       DrawTextSCentered(ystart, font_title, text_no_info);
3845       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3846
3847       return;
3848     }
3849
3850     DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
3851   }
3852   else if (button == MB_MENU_LEAVE)
3853   {
3854     PlaySound(SND_MENU_ITEM_SELECTING);
3855
3856     info_mode = INFO_MODE_MAIN;
3857     DrawInfoScreen();
3858   }
3859   else if (button == MB_MENU_CHOICE || dx)
3860   {
3861     PlaySound(SND_MENU_ITEM_SELECTING);
3862
3863     screen_nr += (dx < 0 ? -1 : +1);
3864
3865     if (screen_nr < 0 || screen_nr >= num_screens)
3866     {
3867       FadeMenuSoundsAndMusic();
3868
3869       info_mode = INFO_MODE_MAIN;
3870       DrawInfoScreen();
3871     }
3872     else
3873     {
3874       FadeSetNextScreen();
3875
3876       FadeOut(REDRAW_FIELD);
3877
3878       DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
3879
3880       FadeIn(REDRAW_FIELD);
3881     }
3882   }
3883   else
3884   {
3885     PlayMenuSoundIfLoop();
3886   }
3887 }
3888
3889 static void DrawInfoScreen(void)
3890 {
3891   if (info_mode == INFO_MODE_TITLE)
3892     DrawInfoScreen_TitleScreen();
3893   else if (info_mode == INFO_MODE_ELEMENTS)
3894     DrawInfoScreen_Elements();
3895   else if (info_mode == INFO_MODE_MUSIC)
3896     DrawInfoScreen_Music();
3897   else if (info_mode == INFO_MODE_CREDITS)
3898     DrawInfoScreen_Generic();
3899   else if (info_mode == INFO_MODE_PROGRAM)
3900     DrawInfoScreen_Generic();
3901   else if (info_mode == INFO_MODE_VERSION)
3902     DrawInfoScreen_Version();
3903   else if (info_mode == INFO_MODE_LEVELSET)
3904     DrawInfoScreen_Generic();
3905   else
3906     DrawInfoScreen_Main();
3907
3908   if (info_mode != INFO_MODE_MAIN &&
3909       info_mode != INFO_MODE_TITLE &&
3910       info_mode != INFO_MODE_MUSIC)
3911     PlayMenuSoundsAndMusic();
3912 }
3913
3914 void DrawInfoScreen_FromMainMenu(int nr)
3915 {
3916   int fade_mask = REDRAW_FIELD;
3917
3918   if (nr < INFO_MODE_MAIN || nr >= MAX_INFO_MODES)
3919     return;
3920
3921   CloseDoor(DOOR_CLOSE_2);
3922
3923   SetGameStatus(GAME_MODE_INFO);
3924
3925   info_mode = nr;
3926   info_screens_from_main = TRUE;
3927
3928   if (redraw_mask & REDRAW_ALL)
3929     fade_mask = REDRAW_ALL;
3930
3931   if (CheckFadeAll())
3932     fade_mask = REDRAW_ALL;
3933
3934   UnmapAllGadgets();
3935   FadeMenuSoundsAndMusic();
3936
3937   FadeSetEnterScreen();
3938
3939   FadeOut(fade_mask);
3940
3941   FadeSkipNextFadeOut();
3942
3943   // needed if different viewport properties defined for info screen
3944   ChangeViewportPropertiesIfNeeded();
3945
3946   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3947
3948   DrawInfoScreen();
3949 }
3950
3951 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3952 {
3953   if (info_mode == INFO_MODE_TITLE)
3954     HandleInfoScreen_TitleScreen(dx, dy, button);
3955   else if (info_mode == INFO_MODE_ELEMENTS)
3956     HandleInfoScreen_Elements(dx, dy, button);
3957   else if (info_mode == INFO_MODE_MUSIC)
3958     HandleInfoScreen_Music(dx, dy, button);
3959   else if (info_mode == INFO_MODE_CREDITS)
3960     HandleInfoScreen_Generic(dx, dy, button);
3961   else if (info_mode == INFO_MODE_PROGRAM)
3962     HandleInfoScreen_Generic(dx, dy, button);
3963   else if (info_mode == INFO_MODE_VERSION)
3964     HandleInfoScreen_Version(button);
3965   else if (info_mode == INFO_MODE_LEVELSET)
3966     HandleInfoScreen_Generic(dx, dy, button);
3967   else
3968     HandleInfoScreen_Main(mx, my, dx, dy, button);
3969 }
3970
3971
3972 // ============================================================================
3973 // type name functions
3974 // ============================================================================
3975
3976 static TreeInfo *type_name_node = NULL;
3977 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
3978 static int type_name_nr = 0;
3979
3980 static int getPlayerNameColor(char *name)
3981 {
3982   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
3983 }
3984
3985 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
3986                              boolean active)
3987 {
3988   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
3989   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
3990   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
3991   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
3992   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
3993   int font_width = getFontWidth(font_nr);
3994   int font_xoffset = getFontDrawOffsetX(font_nr);
3995   int font_yoffset = getFontDrawOffsetY(font_nr);
3996   int font_sx = sx + font_xoffset;
3997   int font_sy = sy + font_yoffset;
3998
3999   DrawBackgroundForFont(font_sx, font_sy, pos->width, pos->height, font_nr);
4000
4001   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4002
4003   pos->width = strlen(text) * font_width;
4004   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4005
4006   DrawText(sx, sy, text, font_nr);
4007 }
4008
4009 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4010 {
4011   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4012
4013   *pos = *mci->pos_input;
4014
4015   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4016   {
4017     TreeInfo *ti = player_name_current;
4018     int first_entry = ti->cl_first;
4019     int entry_pos = first_entry + ti->cl_cursor;
4020     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4021     int xpos = MENU_SCREEN_START_XPOS;
4022     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4023
4024     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4025     type_name_nr = entry_pos;
4026
4027     strcpy(name, type_name_node->name);
4028
4029     pos->x = xpos * 32;
4030     pos->y = ypos * 32;
4031     pos->width = MAX_PLAYER_NAME_LEN * 32;
4032   }
4033   else
4034   {
4035     type_name_nr = user.nr;
4036
4037     strcpy(name, setup.player_name);
4038   }
4039
4040   strcpy(type_name_last, name);
4041
4042   if (strEqual(name, EMPTY_PLAYER_NAME))
4043     strcpy(name, "");
4044
4045   *xpos = strlen(name);
4046 }
4047
4048 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4049 {
4050   // change name of edited user in global list of user names
4051   setString(&global.user_names[type_name_nr], name);
4052
4053   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4054   {
4055     TreeInfo *node = type_name_node;
4056
4057     // change name of edited user in local menu tree structure
4058     setString(&node->name, name);
4059     setString(&node->name_sorting, name);
4060
4061     node->color = getPlayerNameColor(name);
4062     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4063   }
4064 }
4065
4066 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4067                               boolean changed)
4068 {
4069   boolean reset_setup = strEqual(name, "");
4070   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4071   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4072
4073   if (!changed)
4074     strcpy(name, type_name_last);
4075
4076   if (strEqual(name, ""))
4077     strcpy(name, EMPTY_PLAYER_NAME);
4078
4079   setTypeNameValues_Name(name, pos);
4080
4081   // if player name not changed, no further action required
4082   if (strEqual(name, type_name_last))
4083     return;
4084
4085   // redraw player name before (possibly) opening request dialogs
4086   drawTypeNameText(name, pos, FALSE);
4087
4088   int last_user_nr = user.nr;
4089
4090   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4091   {
4092     // save setup of currently active user (may differ from edited user)
4093     SaveSetup();
4094
4095     // temporarily change active user to edited user
4096     user.nr = type_name_nr;
4097
4098     if (create_user &&
4099         Request("Use current setup values for the new player?", REQ_ASK))
4100     {
4101       // use current setup values for new user, but create new player UUID
4102       setup.player_uuid = getStringCopy(getUUID());
4103     }
4104     else
4105     {
4106       // load setup for existing user (or start with defaults for new user)
4107       LoadSetup();
4108     }
4109   }
4110
4111   char *setup_filename = getSetupFilename();
4112   boolean setup_exists = fileExists(setup_filename);
4113
4114   // change name of edited user in setup structure
4115   strcpy(setup.player_name, name);
4116
4117   // save setup of edited user
4118   SaveSetup();
4119
4120   // change name of edited user on score server
4121   ApiRenamePlayerAsThread();
4122
4123   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4124   {
4125     if (reset_setup)
4126     {
4127       if (Request("Reset setup values for this player?", REQ_ASK))
4128       {
4129         // remove setup config file
4130         unlink(setup_filename);
4131
4132         // set player name to default player name
4133         LoadSetup();
4134
4135         // update player name used by name typing functions
4136         strcpy(name, setup.player_name);
4137
4138         setTypeNameValues_Name(name, pos);
4139       }
4140     }
4141     else if (remove_user && type_name_nr != 0)
4142     {
4143       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4144       {
4145         char *user_dir = getUserGameDataDir();
4146         char *user_dir_removed =
4147           getStringCat3WithSeparator(user_dir, "REMOVED",
4148                                      getCurrentTimestamp(), ".");
4149
4150         if (rename(user_dir, user_dir_removed) != 0)
4151           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4152
4153         checked_free(user_dir_removed);
4154       }
4155     }
4156     else if (create_user && type_name_nr != 0 && !setup_exists)
4157     {
4158       if (Request("Create empty level set for the new player?", REQ_ASK))
4159       {
4160         char *levelset_subdir = getNewUserLevelSubdir();
4161
4162         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4163         {
4164           AddUserLevelSetToLevelInfo(levelset_subdir);
4165
4166           LevelDirTree *leveldir_current_last = leveldir_current;
4167
4168           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4169                                                        levelset_subdir);
4170
4171           // set level number of newly created level set to default value
4172           LoadLevelSetup_SeriesInfo();
4173
4174           // set newly created level set as current level set for new user
4175           SaveLevelSetup_LastSeries();
4176           SaveLevelSetup_SeriesInfo();
4177
4178           leveldir_current = leveldir_current_last;
4179         }
4180         else
4181         {
4182           Request("Creating new level set failed!", REQ_CONFIRM);
4183         }
4184       }
4185     }
4186
4187     // restore currently active user
4188     user.nr = last_user_nr;
4189
4190     // restore setup of currently active user
4191     LoadSetup();
4192
4193     // restore last level set of currently active user
4194     LoadLevelSetup_LastSeries();
4195     LoadLevelSetup_SeriesInfo();
4196   }
4197 }
4198
4199 static void HandleTypeNameExt(boolean initialize, Key key)
4200 {
4201   static struct TextPosInfo pos_name = { 0 };
4202   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4203   static int xpos = 0;
4204   struct TextPosInfo *pos = &pos_name;
4205   char key_char = getValidConfigValueChar(getCharFromKey(key));
4206   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4207   boolean active = TRUE;
4208
4209   if (initialize)
4210   {
4211     getTypeNameValues(name, pos, &xpos);
4212
4213     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4214     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4215
4216     StartTextInput(sx, sy, pos->width, pos->height);
4217   }
4218   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4219   {
4220     name[xpos] = key_char;
4221     name[xpos + 1] = 0;
4222
4223     xpos++;
4224   }
4225   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4226   {
4227     xpos--;
4228
4229     name[xpos] = 0;
4230   }
4231   else if (key == KSYM_Return || key == KSYM_Escape)
4232   {
4233     boolean changed = (key == KSYM_Return);
4234
4235     StopTextInput();
4236
4237     setTypeNameValues(name, pos, changed);
4238
4239     active = FALSE;
4240   }
4241
4242   drawTypeNameText(name, pos, active);
4243
4244   if (!active)
4245   {
4246     SetGameStatus(game_status_last_screen);
4247
4248     if (game_status == GAME_MODE_MAIN)
4249       InitializeMainControls();
4250   }
4251 }
4252
4253 static void DrawTypeName(void)
4254 {
4255   HandleTypeNameExt(TRUE, 0);
4256 }
4257
4258 void HandleTypeName(Key key)
4259 {
4260   HandleTypeNameExt(FALSE, key);
4261 }
4262
4263
4264 // ============================================================================
4265 // tree menu functions
4266 // ============================================================================
4267
4268 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4269 {
4270   if (game_status != GAME_MODE_SETUP ||
4271       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4272     return 0;
4273
4274   int max_text_size = 0;
4275   TreeInfo *node;
4276
4277   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4278     max_text_size = MAX(max_text_size, strlen(node->name));
4279
4280   int num_entries = numTreeInfoInGroup(ti);
4281   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4282   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4283   int text_width = max_text_size * getFontWidth(font_nr);
4284   int button_width = SC_MENUBUTTON_XSIZE;
4285   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4286   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4287   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4288   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4289   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4290   int align_xoffset = MAX(0, align_xoffset_raw);
4291
4292   return align_xoffset;
4293 }
4294
4295 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4296 {
4297   if (game_status != GAME_MODE_SETUP ||
4298       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4299     return 0;
4300
4301   int num_entries = numTreeInfoInGroup(ti);
4302   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4303   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4304   int font_height = getFontHeight(font_nr);
4305   int text_height = font_height * num_page_entries;
4306   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4307   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4308   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4309   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4310   int align_yoffset = MAX(0, align_yoffset_raw);
4311
4312   return align_yoffset;
4313 }
4314
4315 static void StartPlayingFromHallOfFame(void)
4316 {
4317   level_nr = scores.next_level_nr;
4318   LoadLevel(level_nr);
4319
4320   StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4321 }
4322
4323 static void DrawChooseTree(TreeInfo **ti_ptr)
4324 {
4325   int fade_mask = REDRAW_FIELD;
4326   boolean restart_music = (game_status != game_status_last_screen &&
4327                            game_status_last_screen != GAME_MODE_SCOREINFO);
4328
4329   scores.continue_on_return = (game_status == GAME_MODE_SCORES &&
4330                                game_status_last_screen == GAME_MODE_PLAYING);
4331
4332   if (CheckFadeAll())
4333     fade_mask = REDRAW_ALL;
4334
4335   if (*ti_ptr != NULL && strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4336   {
4337     if (game_status == GAME_MODE_SETUP)
4338     {
4339       execSetupArtwork();
4340     }
4341     else if (game_status == GAME_MODE_SCORES && scores.continue_playing)
4342     {
4343       StartPlayingFromHallOfFame();
4344     }
4345     else
4346     {
4347       SetGameStatus(GAME_MODE_MAIN);
4348
4349       DrawMainMenu();
4350     }
4351
4352     return;
4353   }
4354
4355   UnmapAllGadgets();
4356
4357   FreeScreenGadgets();
4358   CreateScreenGadgets();
4359
4360   if (restart_music)
4361     FadeMenuSoundsAndMusic();
4362
4363   FadeOut(fade_mask);
4364
4365   // needed if different viewport properties defined for this screen
4366   ChangeViewportPropertiesIfNeeded();
4367
4368   if (game_status == GAME_MODE_NAMES)
4369     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4370   else if (game_status == GAME_MODE_LEVELNR)
4371     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4372   else if (game_status == GAME_MODE_LEVELS)
4373     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4374   else if (game_status == GAME_MODE_SCORES)
4375     SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4376
4377   ClearField();
4378
4379   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4380
4381   // map gadgets for high score screen
4382   if (game_status == GAME_MODE_SCORES)
4383     MapScreenMenuGadgets(SCREEN_MASK_SCORES);
4384
4385   MapScreenTreeGadgets(*ti_ptr);
4386
4387   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4388
4389   DrawMaskedBorder(fade_mask);
4390
4391   if (restart_music)
4392     PlayMenuSoundsAndMusic();
4393
4394   FadeIn(fade_mask);
4395 }
4396
4397 static int getChooseTreeFont(TreeInfo *node, boolean active)
4398 {
4399   if (game_status == GAME_MODE_SCORES)
4400     return (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4401   else
4402     return MENU_CHOOSE_TREE_FONT(MENU_CHOOSE_TREE_COLOR(node, active));
4403 }
4404
4405 static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
4406 {
4407   int num_entries = numTreeInfoInGroup(ti);
4408   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4409   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4410   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4411   int first_entry = ti->cl_first;
4412   int entry_pos = first_entry + y;
4413   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4414   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4415   int font_nr = getChooseTreeFont(node, active);
4416   int font_xoffset = getFontDrawOffsetX(font_nr);
4417   int xpos = MENU_SCREEN_START_XPOS;
4418   int ypos = MENU_SCREEN_START_YPOS + y;
4419   int startdx = xpos * 32;
4420   int startdy = ypos * 32;
4421   int startx = amSX + startdx;
4422   int starty = amSY + startdy;
4423   int startx_text = startx + font_xoffset;
4424   int endx_text = amSX + screen_width;
4425   int max_text_size = endx_text - startx_text;
4426   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4427   char buffer[max_buffer_len + 1];
4428
4429   if (game_status == GAME_MODE_SCORES && !node->parent_link)
4430   {
4431     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4432     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4433     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4434     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4435     int font_size_1 = getFontWidth(font_nr1);
4436     int font_size_3 = getFontWidth(font_nr3);
4437     int font_size_4 = getFontWidth(font_nr4);
4438     int text_size_1 = 4 * font_size_1;
4439     int text_size_4 = 5 * font_size_4;
4440     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
4441     int dx1 = 0;
4442     int dx3 = text_size_1;
4443     int dx4 = SXSIZE - 2 * startdx - 2 * border - text_size_4;
4444     int num_dots = (dx4 - dx3) / font_size_3;
4445     int startx1 = startx + dx1;
4446     int startx3 = startx + dx3;
4447     int startx4 = startx + dx4;
4448     int pos = node->pos;
4449     char *pos_text = getHallOfFameRankText(pos, 3);
4450     int i;
4451
4452     DrawText(startx1, starty, pos_text, font_nr1);
4453
4454     for (i = 0; i < num_dots; i++)
4455       DrawText(startx3 + i * font_size_3, starty, ".", font_nr3);
4456
4457     if (!strEqual(scores.entry[pos].name, EMPTY_PLAYER_NAME))
4458       DrawText(startx3, starty, scores.entry[pos].name, font_nr2);
4459
4460     DrawText(startx4, starty, getHallOfFameScoreText(pos, 5), font_nr4);
4461   }
4462   else
4463   {
4464     strncpy(buffer, node->name, max_buffer_len);
4465     buffer[max_buffer_len] = '\0';
4466
4467     DrawText(startx, starty, buffer, font_nr);
4468   }
4469 }
4470
4471 static void drawChooseTreeHeadExt(int type, char *title_string)
4472 {
4473   int yoffset_sets = MENU_TITLE1_YPOS;
4474   int yoffset_setup = 16;
4475   int yoffset = (type == TREE_TYPE_SCORE_ENTRY ||
4476                  type == TREE_TYPE_LEVEL_DIR ||
4477                  type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4478
4479   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4480 }
4481
4482 static void drawChooseTreeHead(TreeInfo *ti)
4483 {
4484   drawChooseTreeHeadExt(ti->type, ti->infotext);
4485 }
4486
4487 static void drawChooseTreeList(TreeInfo *ti)
4488 {
4489   int first_entry = ti->cl_first;
4490   int num_entries = numTreeInfoInGroup(ti);
4491   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4492   int i;
4493
4494   clearMenuListArea();
4495
4496   for (i = 0; i < num_page_entries; i++)
4497   {
4498     TreeInfo *node, *node_first;
4499     int entry_pos = first_entry + i;
4500
4501     node_first = getTreeInfoFirstGroupEntry(ti);
4502     node = getTreeInfoFromPos(node_first, entry_pos);
4503
4504     drawChooseTreeText(ti, i, FALSE);
4505
4506     if (node->parent_link)
4507       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4508     else if (node->level_group)
4509       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4510     else
4511       initCursor(i, IMG_MENU_BUTTON);
4512
4513     if (game_status == GAME_MODE_SCORES && node->pos == scores.last_added)
4514       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4515
4516     if (game_status == GAME_MODE_NAMES)
4517       drawChooseTreeEdit(i, FALSE);
4518   }
4519
4520   redraw_mask |= REDRAW_FIELD;
4521 }
4522
4523 static void drawChooseTreeInfo(TreeInfo *ti)
4524 {
4525   int entry_pos = ti->cl_first + ti->cl_cursor;
4526   int last_redraw_mask = redraw_mask;
4527   int ypos = MENU_TITLE2_YPOS;
4528   int font_nr = FONT_TITLE_2;
4529   int x;
4530
4531   if (ti->type == TREE_TYPE_LEVEL_NR)
4532     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4533
4534   if (ti->type == TREE_TYPE_SCORE_ENTRY)
4535     DrawTextFCentered(ypos, font_nr, "HighScores of Level %d",
4536                       scores.last_level_nr);
4537
4538   if (ti->type != TREE_TYPE_LEVEL_DIR)
4539     return;
4540
4541   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4542   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4543
4544   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4545
4546   if (node->parent_link)
4547     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4548                       node->node_parent->name);
4549   else if (node->level_group)
4550     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4551                       node->name);
4552   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4553     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4554                       node->levels, (node->levels > 1 ? "levels" : "level"),
4555                       node->class_desc);
4556
4557   // let BackToFront() redraw only what is needed
4558   redraw_mask = last_redraw_mask;
4559   for (x = 0; x < SCR_FIELDX; x++)
4560     MarkTileDirty(x, 1);
4561 }
4562
4563 static void drawChooseTreeCursorAndText(TreeInfo *ti, boolean active)
4564 {
4565   drawChooseTreeCursor(ti->cl_cursor, active);
4566   drawChooseTreeText(ti, ti->cl_cursor, active);
4567 }
4568
4569 static void drawChooseTreeScreen(TreeInfo *ti)
4570 {
4571   drawChooseTreeHead(ti);
4572   drawChooseTreeList(ti);
4573   drawChooseTreeInfo(ti);
4574   drawChooseTreeCursorAndText(ti, TRUE);
4575
4576   AdjustChooseTreeScrollbar(ti, SCREEN_CTRL_ID_SCROLL_VERTICAL);
4577
4578   // scroll bar and buttons may just have been added after reloading scores
4579   if (game_status == GAME_MODE_SCORES)
4580     MapScreenTreeGadgets(ti);
4581 }
4582
4583 static void drawChooseTreeScreen_Scores_NotAvailable(void)
4584 {
4585   // dirty workaround to use spacing definitions from info screen
4586   info_mode = INFO_MODE_TITLE;
4587
4588   char *text_info = "HighScores of Level %d";
4589   char *text_title = "Score information:";
4590   char *text_error = "No scores for this level.";
4591   char *text_foot = TEXT_MAIN_MENU;
4592   int font_info = FONT_TITLE_2;
4593   int font_title = FONT_INITIAL_3;
4594   int font_error = FONT_INITIAL_4;
4595   int font_foot  = FONT_INITIAL_2;
4596   int spacing_title = menu.headline1_spacing_info[INFO_MODE_TITLE];
4597   int ystep_title = getMenuTextStep(spacing_title, font_title);
4598   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART;
4599   int ystart2 = ystart1 + ystep_title;
4600   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
4601   int ystart0 = MENU_TITLE2_YPOS;
4602
4603   drawChooseTreeHeadExt(TREE_TYPE_SCORE_ENTRY, INFOTEXT_SCORE_ENTRY);
4604   DrawTextFCentered(ystart0, font_info, text_info, scores.last_level_nr);
4605
4606   DrawTextSCentered(ystart1, font_title, text_title);
4607   DrawTextSCentered(ystart2, font_error, text_error);
4608
4609   DrawTextSCentered(ybottom, font_foot, text_foot);
4610 }
4611
4612 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
4613 {
4614   int score_pos = scores.last_added;
4615
4616   if (game_status_last_screen == GAME_MODE_SCOREINFO)
4617     score_pos = scores.last_entry_nr;
4618
4619   // set current tree entry to last added score entry
4620   *ti_ptr = getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
4621
4622   // if that fails, set current tree entry to first entry (back link)
4623   if (*ti_ptr == NULL)
4624     *ti_ptr = score_entries->node_group;
4625
4626   int num_entries = numTreeInfoInGroup(*ti_ptr);
4627   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4628   int pos_score = getPosFromTreeInfo(*ti_ptr);
4629   int pos_first_raw = pos_score - (num_page_entries + 1) / 2 + 1;
4630   int pos_first = MIN(MAX(0, pos_first_raw), num_entries - num_page_entries);
4631
4632   (*ti_ptr)->cl_first = pos_first;
4633   (*ti_ptr)->cl_cursor = pos_score - pos_first;
4634
4635   return *ti_ptr;
4636 }
4637
4638 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4639                              TreeInfo **ti_ptr)
4640 {
4641   TreeInfo *ti = *ti_ptr;
4642   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4643   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4644   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4645   int sx1_edit_name = getChooseTreeEditXPosReal(POS_LEFT);
4646   int sx2_edit_name = getChooseTreeEditXPosReal(POS_RIGHT);
4647   int x = 0;
4648   int y = (ti != NULL ? ti->cl_cursor : 0);
4649   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4650   int num_entries = numTreeInfoInGroup(ti);
4651   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4652   boolean position_set_by_scrollbar = (dx == 999);
4653   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
4654   boolean button_is_valid = (mx >= 0 && my >= 0);
4655   boolean button_screen_clicked = (button_action && button_is_valid);
4656
4657   if (game_status == GAME_MODE_SCORES)
4658   {
4659     if (server_scores.updated)
4660     {
4661       // reload scores, using updated server score cache file
4662       LoadLocalAndServerScore(scores.last_level_nr, FALSE);
4663
4664       server_scores.updated = FALSE;
4665
4666       DrawHallOfFame_setScoreEntries();
4667
4668       if (score_entries != NULL)
4669       {
4670         ti = setHallOfFameActiveEntry(ti_ptr);
4671
4672         if (button != MB_MENU_INITIALIZE)
4673           drawChooseTreeScreen(ti);
4674       }
4675     }
4676
4677     if (score_entries == NULL)
4678     {
4679       if (button == MB_MENU_INITIALIZE)
4680       {
4681         drawChooseTreeScreen_Scores_NotAvailable();
4682       }
4683       else if (button_screen_clicked)
4684       {
4685         PlaySound(SND_MENU_ITEM_SELECTING);
4686
4687         SetGameStatus(GAME_MODE_MAIN);
4688
4689         DrawMainMenu();
4690       }
4691
4692       return;
4693     }
4694   }
4695
4696   if (button == MB_MENU_INITIALIZE)
4697   {
4698     int num_entries = numTreeInfoInGroup(ti);
4699     int entry_pos = getPosFromTreeInfo(ti);
4700
4701     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4702     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4703
4704     if (game_status == GAME_MODE_SCORES)
4705     {
4706       ti = setHallOfFameActiveEntry(ti_ptr);
4707     }
4708     else if (ti->cl_first == -1)
4709     {
4710       // only on initialization
4711       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4712       ti->cl_cursor = entry_pos - ti->cl_first;
4713
4714     }
4715     else if (ti->cl_cursor >= num_page_entries ||
4716              (num_entries > num_page_entries &&
4717               num_entries - ti->cl_first < num_page_entries))
4718     {
4719       // only after change of list size (by custom graphic configuration)
4720       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4721       ti->cl_cursor = entry_pos - ti->cl_first;
4722     }
4723
4724     if (position_set_by_scrollbar)
4725       ti->cl_first = dy;
4726
4727     drawChooseTreeScreen(ti);
4728
4729     return;
4730   }
4731   else if (button == MB_MENU_LEAVE)
4732   {
4733     if (game_status != GAME_MODE_SCORES)
4734       FadeSetLeaveMenu();
4735
4736     PlaySound(SND_MENU_ITEM_SELECTING);
4737
4738     if (ti->node_parent)
4739     {
4740       *ti_ptr = ti->node_parent;
4741       DrawChooseTree(ti_ptr);
4742     }
4743     else if (game_status == GAME_MODE_SETUP)
4744     {
4745       if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4746           setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4747           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4748           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4749         execSetupGame();
4750       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4751                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4752                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4753                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4754         execSetupGraphics();
4755       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4756                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4757                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4758         execSetupSound();
4759       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4760                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4761                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4762                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4763                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4764                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4765                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4766                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4767         execSetupTouch();
4768       else
4769         execSetupArtwork();
4770     }
4771     else
4772     {
4773       if (game_status == GAME_MODE_LEVELNR)
4774       {
4775         int new_level_nr = atoi(level_number_current->identifier);
4776
4777         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4778       }
4779
4780       SetGameStatus(GAME_MODE_MAIN);
4781
4782       DrawMainMenu();
4783     }
4784
4785     return;
4786   }
4787
4788 #if defined(PLATFORM_ANDROID)
4789   // directly continue when touching the screen after playing
4790   if ((mx || my) && scores.continue_on_return)
4791   {
4792     // ignore touch events until released
4793     mx = my = 0;
4794   }
4795 #endif
4796
4797   // any mouse click or cursor key stops leaving scores by "Return" key
4798   if ((mx || my || dx || dy) && scores.continue_on_return)
4799   {
4800     scores.continue_on_return = FALSE;
4801     level_nr = scores.last_level_nr;
4802     LoadLevel(level_nr);
4803   }
4804
4805   if (mx || my)         // mouse input
4806   {
4807     x = (mx - amSX) / 32;
4808     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4809
4810     if (game_status == GAME_MODE_NAMES)
4811       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4812   }
4813   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4814   {
4815     // move cursor instead of scrolling when already at start/end of list
4816     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4817       dy = -1;
4818     else if (dy == +1 * SCROLL_LINE &&
4819              ti->cl_first + num_page_entries == num_entries)
4820       dy = 1;
4821
4822     // handle scrolling screen one line or page
4823     if (ti->cl_cursor + dy < 0 ||
4824         ti->cl_cursor + dy > num_page_entries - 1)
4825     {
4826       boolean redraw = FALSE;
4827
4828       if (ABS(dy) == SCROLL_PAGE)
4829         step = num_page_entries - 1;
4830
4831       if (dy < 0 && ti->cl_first > 0)
4832       {
4833         // scroll page/line up
4834
4835         ti->cl_first -= step;
4836         if (ti->cl_first < 0)
4837           ti->cl_first = 0;
4838
4839         redraw = TRUE;
4840       }
4841       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4842       {
4843         // scroll page/line down
4844
4845         ti->cl_first += step;
4846         if (ti->cl_first + num_page_entries > num_entries)
4847           ti->cl_first = MAX(0, num_entries - num_page_entries);
4848
4849         redraw = TRUE;
4850       }
4851
4852       if (redraw)
4853         drawChooseTreeScreen(ti);
4854
4855       return;
4856     }
4857
4858     // handle moving cursor one line
4859     y = ti->cl_cursor + dy;
4860   }
4861
4862   if (game_status == GAME_MODE_SCORES && ABS(dx) == 1)
4863   {
4864     HandleHallOfFame_SelectLevel(1, dx);
4865
4866     return;
4867   }
4868   else if (dx == 1)
4869   {
4870     TreeInfo *node_first, *node_cursor;
4871     int entry_pos = ti->cl_first + y;
4872
4873     node_first = getTreeInfoFirstGroupEntry(ti);
4874     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4875
4876     if (node_cursor->node_group)
4877     {
4878       FadeSetEnterMenu();
4879
4880       PlaySound(SND_MENU_ITEM_SELECTING);
4881
4882       node_cursor->cl_first = ti->cl_first;
4883       node_cursor->cl_cursor = ti->cl_cursor;
4884
4885       *ti_ptr = node_cursor->node_group;
4886       DrawChooseTree(ti_ptr);
4887
4888       return;
4889     }
4890   }
4891   else if ((dx == -1 || button == MB_MENU_CONTINUE) && ti->node_parent)
4892   {
4893     if (game_status != GAME_MODE_SCORES)
4894       FadeSetLeaveMenu();
4895
4896     PlaySound(SND_MENU_ITEM_SELECTING);
4897
4898     *ti_ptr = ti->node_parent;
4899     DrawChooseTree(ti_ptr);
4900
4901     return;
4902   }
4903
4904   if (!anyScrollbarGadgetActive() &&
4905       IN_VIS_MENU(x, y) &&
4906       mx < mx_right_border &&
4907       y >= 0 && y < num_page_entries)
4908   {
4909     if (button)
4910     {
4911       if (game_status == GAME_MODE_NAMES)
4912       {
4913         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4914           drawChooseTreeEdit(y, TRUE);
4915       }
4916
4917       if (y != ti->cl_cursor)
4918       {
4919         PlaySound(SND_MENU_ITEM_ACTIVATING);
4920
4921         drawChooseTreeCursorAndText(ti, FALSE);
4922
4923         ti->cl_cursor = y;
4924
4925         drawChooseTreeCursorAndText(ti, TRUE);
4926
4927         drawChooseTreeInfo(ti);
4928       }
4929       else if (dx < 0)
4930       {
4931         if (game_status == GAME_MODE_SETUP)
4932         {
4933           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4934               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4935               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4936               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4937             execSetupGame();
4938           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4939                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4940                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4941                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4942             execSetupGraphics();
4943           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4944                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4945                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4946             execSetupSound();
4947           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4948                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4949                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4950                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4951                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4952                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4953                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4954                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4955             execSetupTouch();
4956           else
4957             execSetupArtwork();
4958         }
4959       }
4960     }
4961     else
4962     {
4963       TreeInfo *node_first, *node_cursor;
4964       int entry_pos = ti->cl_first + y;
4965
4966       PlaySound(SND_MENU_ITEM_SELECTING);
4967
4968       node_first = getTreeInfoFirstGroupEntry(ti);
4969       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4970
4971       if (node_cursor->node_group)
4972       {
4973         FadeSetEnterMenu();
4974
4975         node_cursor->cl_first = ti->cl_first;
4976         node_cursor->cl_cursor = ti->cl_cursor;
4977
4978         *ti_ptr = node_cursor->node_group;
4979         DrawChooseTree(ti_ptr);
4980       }
4981       else if (node_cursor->parent_link)
4982       {
4983         if (game_status != GAME_MODE_SCORES)
4984           FadeSetLeaveMenu();
4985
4986         *ti_ptr = node_cursor->node_parent;
4987         DrawChooseTree(ti_ptr);
4988       }
4989       else
4990       {
4991         if (game_status != GAME_MODE_SCORES)
4992           FadeSetEnterMenu();
4993
4994         node_cursor->cl_first = ti->cl_first;
4995         node_cursor->cl_cursor = ti->cl_cursor;
4996
4997         *ti_ptr = node_cursor;
4998
4999         if (ti->type == TREE_TYPE_LEVEL_DIR)
5000         {
5001           LoadLevelSetup_SeriesInfo();
5002
5003           SaveLevelSetup_LastSeries();
5004           SaveLevelSetup_SeriesInfo();
5005           TapeErase();
5006         }
5007
5008         if (game_status == GAME_MODE_SETUP)
5009         {
5010           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5011               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5012               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5013               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5014             execSetupGame();
5015           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5016                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5017                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5018                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5019             execSetupGraphics();
5020           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5021                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5022                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5023             execSetupSound();
5024           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5025                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5026                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5027                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5028                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5029                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5030                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5031                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5032             execSetupTouch();
5033           else
5034             execSetupArtwork();
5035         }
5036         else
5037         {
5038           if (game_status == GAME_MODE_LEVELNR)
5039           {
5040             int new_level_nr = atoi(level_number_current->identifier);
5041
5042             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5043           }
5044           else if (game_status == GAME_MODE_LEVELS)
5045           {
5046             // store level set if chosen from "last played level set" menu
5047             StoreLastPlayedLevels(leveldir_current);
5048           }
5049           else if (game_status == GAME_MODE_NAMES)
5050           {
5051             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5052             {
5053               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5054
5055               DrawTypeName();
5056
5057               return;
5058             }
5059
5060             // change active user to selected user
5061             user.nr = entry_pos;
5062
5063             // save number of new active user
5064             SaveUserSetup();
5065
5066             // load setup of new active user
5067             LoadSetup();
5068
5069             // load last level set of new active user
5070             LoadLevelSetup_LastSeries();
5071             LoadLevelSetup_SeriesInfo();
5072
5073             // update list of last played level sets
5074             UpdateLastPlayedLevels_TreeInfo();
5075
5076             TapeErase();
5077
5078             ToggleFullscreenIfNeeded();
5079             ChangeWindowScalingIfNeeded();
5080
5081             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5082             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5083             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5084           }
5085           else if (game_status == GAME_MODE_SCORES)
5086           {
5087             if (scores.continue_playing && scores.continue_on_return)
5088             {
5089               StartPlayingFromHallOfFame();
5090
5091               return;
5092             }
5093             else if (!scores.continue_on_return)
5094             {
5095               SetGameStatus(GAME_MODE_SCOREINFO);
5096
5097               DrawScoreInfo(node_cursor->pos);
5098
5099               return;
5100             }
5101           }
5102
5103           SetGameStatus(GAME_MODE_MAIN);
5104
5105           DrawMainMenu();
5106         }
5107       }
5108     }
5109   }
5110
5111   if (game_status == GAME_MODE_SCORES)
5112     PlayMenuSoundIfLoop();
5113 }
5114
5115 void DrawChoosePlayerName(void)
5116 {
5117   int i;
5118
5119   if (player_name != NULL)
5120   {
5121     freeTreeInfo(player_name);
5122
5123     player_name = NULL;
5124   }
5125
5126   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5127   {
5128     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5129     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5130     int value = i;
5131
5132     ti->node_top = &player_name;
5133     ti->sort_priority = 10000 + value;
5134     ti->color = getPlayerNameColor(global.user_names[i]);
5135
5136     snprintf(identifier, sizeof(identifier), "%d", value);
5137     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5138
5139     setString(&ti->identifier, identifier);
5140     setString(&ti->name, name);
5141     setString(&ti->name_sorting, name);
5142
5143     pushTreeInfo(&player_name, ti);
5144   }
5145
5146   // sort player entries by player number
5147   sortTreeInfo(&player_name);
5148
5149   // set current player entry to selected player entry
5150   player_name_current =
5151     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5152
5153   // if that fails, set current player name to first available name
5154   if (player_name_current == NULL)
5155     player_name_current = player_name;
5156
5157   // set text size for main name input (also used on name selection screen)
5158   InitializeMainControls();
5159
5160   DrawChooseTree(&player_name_current);
5161 }
5162
5163 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5164 {
5165   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5166 }
5167
5168 void DrawChooseLevelSet(void)
5169 {
5170   DrawChooseTree(&leveldir_current);
5171 }
5172
5173 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5174 {
5175   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5176 }
5177
5178 void DrawChooseLevelNr(void)
5179 {
5180   int i;
5181
5182   if (level_number != NULL)
5183   {
5184     freeTreeInfo(level_number);
5185
5186     level_number = NULL;
5187   }
5188
5189   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5190   {
5191     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5192     char identifier[32], name[64];
5193     int value = i;
5194
5195     // temporarily load level info to get level name
5196     LoadLevelInfoOnly(i);
5197
5198     ti->node_top = &level_number;
5199     ti->sort_priority = 10000 + value;
5200     ti->color = (level.no_level_file ? FC_BLUE :
5201                  LevelStats_getSolved(i) ? FC_GREEN :
5202                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5203
5204     snprintf(identifier, sizeof(identifier), "%d", value);
5205     snprintf(name, sizeof(name), "%03d: %s", value,
5206              (level.no_level_file ? "(no file)" : level.name));
5207
5208     setString(&ti->identifier, identifier);
5209     setString(&ti->name, name);
5210     setString(&ti->name_sorting, name);
5211
5212     pushTreeInfo(&level_number, ti);
5213   }
5214
5215   // sort level number values to start with lowest level number
5216   sortTreeInfo(&level_number);
5217
5218   // set current level number to current level number
5219   level_number_current =
5220     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5221
5222   // if that also fails, set current level number to first available level
5223   if (level_number_current == NULL)
5224     level_number_current = level_number;
5225
5226   DrawChooseTree(&level_number_current);
5227 }
5228
5229 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5230 {
5231   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5232 }
5233
5234 static void DrawHallOfFame_setScoreEntries(void)
5235 {
5236   int max_empty_entries = 10;   // at least show "top ten" list, if empty
5237   int max_visible_entries = NUM_MENU_ENTRIES_ON_SCREEN - 1;   // w/o back link
5238   int min_score_entries = MIN(max_empty_entries, max_visible_entries);
5239   int score_pos = (scores.last_added >= 0 ? scores.last_added : 0);
5240   int i;
5241
5242   if (score_entries != NULL)
5243   {
5244     freeTreeInfo(score_entries);
5245
5246     score_entries = NULL;
5247   }
5248
5249   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
5250   {
5251     // do not add empty score entries if off-screen
5252     if (scores.entry[i].score == 0 &&
5253         scores.entry[i].time == 0 &&
5254         i >= min_score_entries)
5255       break;
5256
5257     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_SCORE_ENTRY);
5258     char identifier[32], name[64];
5259     int value = i;
5260
5261     ti->node_top = &score_entries;
5262     ti->sort_priority = 10000 + value;
5263     ti->color = FC_YELLOW;
5264     ti->pos = i;
5265
5266     snprintf(identifier, sizeof(identifier), "%d", value);
5267     snprintf(name, sizeof(name), "%03d.", value + 1);
5268
5269     setString(&ti->identifier, identifier);
5270     setString(&ti->name, name);
5271     setString(&ti->name_sorting, name);
5272
5273     pushTreeInfo(&score_entries, ti);
5274   }
5275
5276   // sort score entries to start with highest score entry
5277   sortTreeInfo(&score_entries);
5278
5279   // add top tree node to create back link to main menu
5280   score_entries = addTopTreeInfoNode(score_entries);
5281
5282   // set current score entry to last added or highest score entry
5283   score_entry_current =
5284     getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5285
5286   // if that fails, set current score entry to first valid score entry
5287   if (score_entry_current == NULL)
5288     score_entry_current = getFirstValidTreeInfoEntry(score_entries);
5289
5290   if (score_entries != NULL && scores.continue_playing)
5291     setString(&score_entries->node_group->name, BACKLINK_TEXT_NEXT);
5292
5293   // ("score_entries" and "score_entry_current" may be NULL here)
5294 }
5295
5296 void DrawHallOfFame(int nr)
5297 {
5298   scores.last_level_nr = nr;
5299
5300   // (this is needed when called from GameEnd() after winning a game)
5301   KeyboardAutoRepeatOn();
5302
5303   // (this is needed when called from GameEnd() after winning a game)
5304   SetDrawDeactivationMask(REDRAW_NONE);
5305   SetDrawBackgroundMask(REDRAW_FIELD);
5306
5307   LoadLocalAndServerScore(scores.last_level_nr, TRUE);
5308
5309   DrawHallOfFame_setScoreEntries();
5310
5311   if (scores.last_added >= 0)
5312     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5313
5314   FadeSetEnterScreen();
5315
5316   DrawChooseTree(&score_entry_current);
5317 }
5318
5319 static char *getHallOfFameRankText(int nr, int size)
5320 {
5321   static char rank_text[10];
5322   boolean forced = (scores.force_last_added && nr == scores.last_added);
5323   char *rank_text_raw = (forced ? "???" : int2str(nr + 1, size));
5324
5325   sprintf(rank_text, "%s%s", rank_text_raw, (size > 0 || !forced ? "." : ""));
5326
5327   return rank_text;
5328 }
5329
5330 static char *getHallOfFameTimeText(int nr)
5331 {
5332   static char score_text[10];
5333   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5334   int mm = (time_seconds / 60) % 60;
5335   int ss = (time_seconds % 60);
5336
5337   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5338
5339   return score_text;
5340 }
5341
5342 static char *getHallOfFameScoreText(int nr, int size)
5343 {
5344   if (!level.rate_time_over_score)
5345     return int2str(scores.entry[nr].score, size);       // show normal score
5346   else if (level.use_step_counter)
5347     return int2str(scores.entry[nr].time, size);        // show number of steps
5348   else
5349     return getHallOfFameTimeText(nr);                   // show playing time
5350 }
5351
5352 static char *getHallOfFameTapeDateText(struct ScoreEntry *entry)
5353 {
5354   static char tape_date[MAX_ISO_DATE_LEN + 1];
5355   int i, j;
5356
5357   if (!strEqual(entry->tape_date, UNKNOWN_NAME) ||
5358       strEqual(entry->tape_basename, UNDEFINED_FILENAME))
5359     return entry->tape_date;
5360
5361   for (i = 0, j = 0; i < 8; i++, j++)
5362   {
5363     tape_date[j] = entry->tape_basename[i];
5364
5365     if (i == 3 || i == 5)
5366       tape_date[++j] = '-';
5367   }
5368
5369   tape_date[MAX_ISO_DATE_LEN] = '\0';
5370
5371   return tape_date;
5372 }
5373
5374 static void HandleHallOfFame_SelectLevel(int step, int direction)
5375 {
5376   int old_level_nr = scores.last_level_nr;
5377   int new_level_nr = old_level_nr + step * direction;
5378
5379   if (new_level_nr < leveldir_current->first_level)
5380     new_level_nr = leveldir_current->first_level;
5381   if (new_level_nr > leveldir_current->last_level)
5382     new_level_nr = leveldir_current->last_level;
5383
5384   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
5385     new_level_nr = leveldir_current->handicap_level;
5386
5387   if (new_level_nr != old_level_nr)
5388   {
5389     PlaySound(SND_MENU_ITEM_SELECTING);
5390
5391     scores.last_level_nr = level_nr = new_level_nr;
5392     scores.last_entry_nr = 0;
5393
5394     LoadLevel(level_nr);
5395     LoadLocalAndServerScore(level_nr, TRUE);
5396
5397     DrawHallOfFame_setScoreEntries();
5398
5399     if (game_status == GAME_MODE_SCORES)
5400     {
5401       // force remapping optional gadgets (especially scroll bar)
5402       UnmapScreenTreeGadgets();
5403
5404       // redraw complete high score screen, as sub-title has changed
5405       ClearField();
5406
5407       // redraw level selection buttons (which have just been erased)
5408       RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5409
5410       HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, &score_entry_current);
5411     }
5412     else
5413     {
5414       DrawScoreInfo_Content(scores.last_entry_nr);
5415     }
5416
5417     SaveLevelSetup_SeriesInfo();
5418   }
5419 }
5420
5421 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5422 {
5423   HandleChooseTree(mx, my, dx, dy, button, &score_entry_current);
5424 }
5425
5426 static void DrawScoreInfo_Content(int entry_nr)
5427 {
5428   struct ScoreEntry *entry = &scores.entry[entry_nr];
5429   char *pos_text = getHallOfFameRankText(entry_nr, 0);
5430   char *tape_date = getHallOfFameTapeDateText(entry);
5431   int font_title = MENU_INFO_FONT_TITLE;
5432   int font_head  = MENU_INFO_FONT_HEAD;
5433   int font_text  = MENU_INFO_FONT_TEXT;
5434   int font_foot  = MENU_INFO_FONT_FOOT;
5435   int spacing_title = menu.headline1_spacing[GAME_MODE_SCOREINFO];
5436   int spacing_para  = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
5437   int spacing_line  = menu.line_spacing[GAME_MODE_SCOREINFO];
5438   int xstep = getFontWidth(font_text);
5439   int ystep_title = getMenuTextStep(spacing_title, font_title);
5440   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
5441   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
5442   int xstart  = mSX - SX + menu.left_spacing[GAME_MODE_SCOREINFO];
5443   int ystart  = mSY - SY + menu.top_spacing[GAME_MODE_SCOREINFO];
5444   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
5445   int xstart1 = xstart + xstep;
5446   int xstart2 = xstart + xstep * 12;
5447   int select_x = SX + xstart1;
5448   int select_y1, select_y2;
5449   int play_x, play_y;
5450   int play_height = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]->height;
5451   boolean play_visible = !strEqual(tape_date, UNKNOWN_NAME);
5452   int font_width = getFontWidth(font_text);
5453   int font_height = getFontHeight(font_text);
5454   int tape_date_width  = getTextWidth(tape_date, font_text);
5455   int pad_left = xstart2;
5456   int pad_right = menu.right_spacing[GAME_MODE_SCOREINFO];
5457   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
5458   int max_lines_per_text = 5;
5459   int lines;
5460
5461   ClearField();
5462
5463   // redraw level selection buttons (which have just been erased)
5464   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5465
5466   if (score_entries == NULL)
5467   {
5468     drawChooseTreeScreen_Scores_NotAvailable();
5469
5470     return;
5471   }
5472
5473   drawChooseTreeHead(score_entries);
5474   drawChooseTreeInfo(score_entries);
5475
5476   DrawTextSCentered(ystart, font_title, "Score Information:");
5477   ystart += ystep_title;
5478
5479   DrawTextF(xstart1, ystart, font_head, "Level Set");
5480   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
5481                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5482                           TRUE, FALSE, FALSE);
5483   ystart += ystep_line + (lines > 0 ? lines - 1 : 0) * font_height;
5484
5485   DrawTextF(xstart1, ystart, font_head, "Level");
5486   lines = DrawTextBufferS(xstart2, ystart, level.name, font_text,
5487                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5488                           TRUE, FALSE, FALSE);
5489   ystart += ystep_para + (lines > 0 ? lines - 1 : 0) * font_height;
5490
5491   select_y1 = SY + ystart;
5492   ystart += graphic_info[IMG_MENU_BUTTON_PREV_SCORE].height;
5493
5494   DrawTextF(xstart1, ystart, font_head, "Rank");
5495   DrawTextF(xstart2, ystart, font_text, pos_text);
5496   ystart += ystep_line;
5497
5498   DrawTextF(xstart1, ystart, font_head, "Player");
5499   DrawTextF(xstart2, ystart, font_text, entry->name);
5500   ystart += ystep_line;
5501
5502   if (level.use_step_counter)
5503   {
5504     DrawTextF(xstart1, ystart, font_head, "Steps");
5505     DrawTextF(xstart2, ystart, font_text, int2str(entry->time, 5));
5506     ystart += ystep_line;
5507   }
5508   else
5509   {
5510     DrawTextF(xstart1, ystart, font_head, "Time");
5511     DrawTextF(xstart2, ystart, font_text, getHallOfFameTimeText(entry_nr));
5512     ystart += ystep_line;
5513   }
5514
5515   if (!level.rate_time_over_score || entry->score > 0)
5516   {
5517     DrawTextF(xstart1, ystart, font_head, "Score");
5518     DrawTextF(xstart2, ystart, font_text, int2str(entry->score, 5));
5519     ystart += ystep_line;
5520   }
5521
5522   ystart += ystep_line;
5523
5524   play_x = SX + xstart2 + tape_date_width + font_width;
5525   play_y = SY + ystart + (font_height - play_height) / 2;
5526
5527   DrawTextF(xstart1, ystart, font_head, "Tape Date");
5528   DrawTextF(xstart2, ystart, font_text, tape_date);
5529   ystart += ystep_line;
5530
5531   DrawTextF(xstart1, ystart, font_head, "Platform");
5532   DrawTextF(xstart2, ystart, font_text, entry->platform);
5533   ystart += ystep_line;
5534
5535   DrawTextF(xstart1, ystart, font_head, "Version");
5536   DrawTextF(xstart2, ystart, font_text, entry->version);
5537   ystart += ystep_line;
5538
5539   DrawTextF(xstart1, ystart, font_head, "Country");
5540   lines = DrawTextBufferS(xstart2, ystart, entry->country_name, font_text,
5541                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5542                           TRUE, FALSE, FALSE);
5543   ystart += ystep_line;
5544
5545   select_y2 = SY + ystart;
5546
5547   DrawTextSCentered(ybottom, font_foot, "Press any key or button to go back");
5548
5549   AdjustScoreInfoButtons_SelectScore(select_x, select_y1, select_y2);
5550   AdjustScoreInfoButtons_PlayTape(play_x, play_y, play_visible);
5551 }
5552
5553 static void DrawScoreInfo(int entry_nr)
5554 {
5555   scores.last_entry_nr = entry_nr;
5556   score_info_tape_play = FALSE;
5557
5558   UnmapAllGadgets();
5559
5560   FreeScreenGadgets();
5561   CreateScreenGadgets();
5562
5563   FadeOut(REDRAW_FIELD);
5564
5565   // needed if different viewport properties defined after playing score tape
5566   ChangeViewportPropertiesIfNeeded();
5567
5568   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
5569   SetDrawDeactivationMask(REDRAW_NONE);
5570   SetDrawBackgroundMask(REDRAW_FIELD);
5571
5572   // needed if different background image defined after playing score tape
5573   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5574   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_SCOREINFO);
5575
5576   // special compatibility handling for "Snake Bite" graphics set
5577   if (strPrefix(leveldir_current->identifier, "snake_bite"))
5578     ClearRectangle(gfx.background_bitmap, gfx.real_sx, gfx.real_sy + 64,
5579                    gfx.full_sxsize, gfx.full_sysize - 64);
5580
5581   DrawScoreInfo_Content(entry_nr);
5582
5583   // map gadgets for score info screen
5584   MapScreenMenuGadgets(SCREEN_MASK_SCORES_INFO);
5585
5586   FadeIn(REDRAW_FIELD);
5587 }
5588
5589 static void HandleScoreInfo_SelectScore(int step, int direction)
5590 {
5591   int old_entry_nr = scores.last_entry_nr;
5592   int new_entry_nr = old_entry_nr + step * direction;
5593   int num_nodes = numTreeInfoInGroup(score_entry_current);
5594   int num_entries = num_nodes - 1;      // score nodes only, without back link
5595
5596   if (new_entry_nr < 0)
5597     new_entry_nr = 0;
5598   if (new_entry_nr > num_entries - 1)
5599     new_entry_nr = num_entries - 1;
5600
5601   if (new_entry_nr != old_entry_nr)
5602   {
5603     scores.last_entry_nr = new_entry_nr;
5604
5605     DrawScoreInfo_Content(new_entry_nr);
5606   }
5607 }
5608
5609 static void HandleScoreInfo_PlayTape(void)
5610 {
5611   if (!PlayScoreTape(scores.last_entry_nr))
5612   {
5613     DrawScoreInfo_Content(scores.last_entry_nr);
5614
5615     FadeIn(REDRAW_FIELD);
5616   }
5617 }
5618
5619 void HandleScoreInfo(int mx, int my, int dx, int dy, int button)
5620 {
5621   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
5622   boolean button_is_valid = (mx >= 0 && my >= 0);
5623   boolean button_screen_clicked = (button_action && button_is_valid);
5624
5625   if (server_scores.updated)
5626   {
5627     // reload scores, using updated server score cache file
5628     LoadLocalAndServerScore(scores.last_level_nr, FALSE);
5629
5630     server_scores.updated = FALSE;
5631
5632     DrawHallOfFame_setScoreEntries();
5633
5634     DrawScoreInfo_Content(scores.last_entry_nr);
5635   }
5636
5637   if (button_screen_clicked)
5638   {
5639     PlaySound(SND_MENU_ITEM_SELECTING);
5640
5641     SetGameStatus(GAME_MODE_SCORES);
5642
5643     DrawHallOfFame(scores.last_level_nr);
5644   }
5645   else if (dx)
5646   {
5647     HandleHallOfFame_SelectLevel(1, SIGN(dx) * (ABS(dx) > 1 ? 10 : 1));
5648   }
5649   else if (dy)
5650   {
5651     HandleScoreInfo_SelectScore(1, SIGN(dy) * (ABS(dy) > 1 ? 10 : 1));
5652   }
5653 }
5654
5655
5656 // ============================================================================
5657 // setup screen functions
5658 // ============================================================================
5659
5660 static struct TokenInfo *setup_info;
5661 static int num_setup_info;      // number of setup entries shown on screen
5662 static int max_setup_info;      // total number of setup entries in list
5663
5664 static char *window_size_text;
5665 static char *scaling_type_text;
5666 static char *rendering_mode_text;
5667 static char *vsync_mode_text;
5668 static char *scroll_delay_text;
5669 static char *snapshot_mode_text;
5670 static char *game_speed_text;
5671 static char *scores_type_text;
5672 static char *network_server_text;
5673 static char *graphics_set_name;
5674 static char *sounds_set_name;
5675 static char *music_set_name;
5676 static char *volume_simple_text;
5677 static char *volume_loops_text;
5678 static char *volume_music_text;
5679 static char *touch_controls_text;
5680 static char *move_distance_text;
5681 static char *drop_distance_text;
5682 static char *transparency_text;
5683 static char *grid_size_text[2][2];
5684
5685 static void execSetupMain(void)
5686 {
5687   setup_mode = SETUP_MODE_MAIN;
5688
5689   DrawSetupScreen();
5690 }
5691
5692 static void execSetupGame_setScoresType(void)
5693 {
5694   if (scores_types == NULL)
5695   {
5696     int i;
5697
5698     for (i = 0; scores_types_list[i].value != NULL; i++)
5699     {
5700       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5701       char identifier[32], name[32];
5702       char *value = scores_types_list[i].value;
5703       char *text = scores_types_list[i].text;
5704
5705       ti->node_top = &scores_types;
5706       ti->sort_priority = i;
5707
5708       sprintf(identifier, "%s", value);
5709       sprintf(name, "%s", text);
5710
5711       setString(&ti->identifier, identifier);
5712       setString(&ti->name, name);
5713       setString(&ti->name_sorting, name);
5714       setString(&ti->infotext, STR_SETUP_CHOOSE_SCORES_TYPE);
5715
5716       pushTreeInfo(&scores_types, ti);
5717     }
5718
5719     // sort scores type values to start with lowest scores type value
5720     sortTreeInfo(&scores_types);
5721
5722     // set current scores type value to configured scores type value
5723     scores_type_current =
5724       getTreeInfoFromIdentifier(scores_types, setup.scores_in_highscore_list);
5725
5726     // if that fails, set current scores type to reliable default value
5727     if (scores_type_current == NULL)
5728       scores_type_current =
5729         getTreeInfoFromIdentifier(scores_types, STR_SCORES_TYPE_DEFAULT);
5730
5731     // if that also fails, set current scores type to first available value
5732     if (scores_type_current == NULL)
5733       scores_type_current = scores_types;
5734   }
5735
5736   setup.scores_in_highscore_list = scores_type_current->identifier;
5737
5738   // needed for displaying scores type text instead of identifier
5739   scores_type_text = scores_type_current->name;
5740 }
5741
5742 static void execSetupGame_setGameSpeeds(boolean update_value)
5743 {
5744   if (setup.game_speed_extended)
5745   {
5746     game_speeds_list = game_speeds_list_extended;
5747     game_speeds      = game_speeds_extended;
5748   }
5749   else
5750   {
5751     game_speeds_list = game_speeds_list_normal;
5752     game_speeds      = game_speeds_normal;
5753   }
5754
5755   if (game_speeds == NULL)
5756   {
5757     int i;
5758
5759     for (i = 0; game_speeds_list[i].value != -1; i++)
5760     {
5761       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5762       char identifier[32], name[32];
5763       int value = game_speeds_list[i].value;
5764       char *text = game_speeds_list[i].text;
5765
5766       ti->node_top = &game_speeds;
5767       ti->sort_priority = 10000 - value;
5768
5769       sprintf(identifier, "%d", value);
5770       sprintf(name, "%s", text);
5771
5772       setString(&ti->identifier, identifier);
5773       setString(&ti->name, name);
5774       setString(&ti->name_sorting, name);
5775       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5776
5777       pushTreeInfo(&game_speeds, ti);
5778     }
5779
5780     // sort game speed values to start with slowest game speed
5781     sortTreeInfo(&game_speeds);
5782
5783     update_value = TRUE;
5784   }
5785
5786   if (update_value)
5787   {
5788     // set current game speed to configured game speed value
5789     game_speed_current =
5790       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5791
5792     // if that fails, set current game speed to reliable default value
5793     if (game_speed_current == NULL)
5794       game_speed_current =
5795         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5796
5797     // if that also fails, set current game speed to first available speed
5798     if (game_speed_current == NULL)
5799       game_speed_current = game_speeds;
5800
5801     if (setup.game_speed_extended)
5802       game_speeds_extended = game_speeds;
5803     else
5804       game_speeds_normal = game_speeds;
5805   }
5806
5807   setup.game_frame_delay = atoi(game_speed_current->identifier);
5808
5809   // needed for displaying game speed text instead of identifier
5810   game_speed_text = game_speed_current->name;
5811 }
5812
5813 static void execSetupGame_setScrollDelays(void)
5814 {
5815   if (scroll_delays == NULL)
5816   {
5817     int i;
5818
5819     for (i = 0; scroll_delays_list[i].value != -1; i++)
5820     {
5821       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5822       char identifier[32], name[32];
5823       int value = scroll_delays_list[i].value;
5824       char *text = scroll_delays_list[i].text;
5825
5826       ti->node_top = &scroll_delays;
5827       ti->sort_priority = value;
5828
5829       sprintf(identifier, "%d", value);
5830       sprintf(name, "%s", text);
5831
5832       setString(&ti->identifier, identifier);
5833       setString(&ti->name, name);
5834       setString(&ti->name_sorting, name);
5835       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5836
5837       pushTreeInfo(&scroll_delays, ti);
5838     }
5839
5840     // sort scroll delay values to start with lowest scroll delay value
5841     sortTreeInfo(&scroll_delays);
5842
5843     // set current scroll delay value to configured scroll delay value
5844     scroll_delay_current =
5845       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5846
5847     // if that fails, set current scroll delay to reliable default value
5848     if (scroll_delay_current == NULL)
5849       scroll_delay_current =
5850         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5851
5852     // if that also fails, set current scroll delay to first available value
5853     if (scroll_delay_current == NULL)
5854       scroll_delay_current = scroll_delays;
5855   }
5856
5857   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5858
5859   // needed for displaying scroll delay text instead of identifier
5860   scroll_delay_text = scroll_delay_current->name;
5861 }
5862
5863 static void execSetupGame_setSnapshotModes(void)
5864 {
5865   if (snapshot_modes == NULL)
5866   {
5867     int i;
5868
5869     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5870     {
5871       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5872       char identifier[32], name[32];
5873       char *value = snapshot_modes_list[i].value;
5874       char *text = snapshot_modes_list[i].text;
5875
5876       ti->node_top = &snapshot_modes;
5877       ti->sort_priority = i;
5878
5879       sprintf(identifier, "%s", value);
5880       sprintf(name, "%s", text);
5881
5882       setString(&ti->identifier, identifier);
5883       setString(&ti->name, name);
5884       setString(&ti->name_sorting, name);
5885       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5886
5887       pushTreeInfo(&snapshot_modes, ti);
5888     }
5889
5890     // sort snapshot mode values to start with lowest snapshot mode value
5891     sortTreeInfo(&snapshot_modes);
5892
5893     // set current snapshot mode value to configured snapshot mode value
5894     snapshot_mode_current =
5895       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5896
5897     // if that fails, set current snapshot mode to reliable default value
5898     if (snapshot_mode_current == NULL)
5899       snapshot_mode_current =
5900         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5901
5902     // if that also fails, set current snapshot mode to first available value
5903     if (snapshot_mode_current == NULL)
5904       snapshot_mode_current = snapshot_modes;
5905   }
5906
5907   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5908
5909   // needed for displaying snapshot mode text instead of identifier
5910   snapshot_mode_text = snapshot_mode_current->name;
5911 }
5912
5913 static void execSetupGame_setNetworkServerText(void)
5914 {
5915   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5916   {
5917     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5918   }
5919   else
5920   {
5921     strncpy(network_server_hostname, setup.network_server_hostname,
5922             MAX_SETUP_TEXT_INPUT_LEN);
5923     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5924   }
5925
5926   // needed for displaying network server text instead of identifier
5927   network_server_text = network_server_hostname;
5928 }
5929
5930 static void execSetupGame(void)
5931 {
5932   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5933
5934   execSetupGame_setGameSpeeds(FALSE);
5935   execSetupGame_setScoresType();
5936   execSetupGame_setScrollDelays();
5937   execSetupGame_setSnapshotModes();
5938
5939   execSetupGame_setNetworkServerText();
5940
5941   if (!setup.provide_uploading_tapes)
5942     setHideSetupEntry(execOfferUploadTapes);
5943
5944   setup_mode = SETUP_MODE_GAME;
5945
5946   DrawSetupScreen();
5947
5948   // check if vsync needs to be disabled for this game speed to work
5949   if (check_vsync_mode)
5950     DisableVsyncIfNeeded();
5951 }
5952
5953 static void execSetupChooseScoresType(void)
5954 {
5955   setup_mode = SETUP_MODE_CHOOSE_SCORES_TYPE;
5956
5957   DrawSetupScreen();
5958 }
5959
5960 static void execSetupChooseGameSpeed(void)
5961 {
5962   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5963
5964   DrawSetupScreen();
5965 }
5966
5967 static void execSetupChooseScrollDelay(void)
5968 {
5969   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5970
5971   DrawSetupScreen();
5972 }
5973
5974 static void execSetupChooseSnapshotMode(void)
5975 {
5976   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5977
5978   DrawSetupScreen();
5979 }
5980
5981 static void execSetupEngines(void)
5982 {
5983   setup_mode = SETUP_MODE_ENGINES;
5984
5985   DrawSetupScreen();
5986 }
5987
5988 static void execSetupEditor(void)
5989 {
5990   setup_mode = SETUP_MODE_EDITOR;
5991
5992   DrawSetupScreen();
5993 }
5994
5995 static void execSetupGraphics_setWindowSizes(boolean update_list)
5996 {
5997   if (window_sizes != NULL && update_list)
5998   {
5999     freeTreeInfo(window_sizes);
6000
6001     window_sizes = NULL;
6002   }
6003
6004   if (window_sizes == NULL)
6005   {
6006     boolean current_window_size_found = FALSE;
6007     int i;
6008
6009     for (i = 0; window_sizes_list[i].value != -1; i++)
6010     {
6011       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6012       char identifier[32], name[32];
6013       int value = window_sizes_list[i].value;
6014       char *text = window_sizes_list[i].text;
6015
6016       ti->node_top = &window_sizes;
6017       ti->sort_priority = value;
6018
6019       sprintf(identifier, "%d", value);
6020       sprintf(name, "%s", text);
6021
6022       setString(&ti->identifier, identifier);
6023       setString(&ti->name, name);
6024       setString(&ti->name_sorting, name);
6025       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6026
6027       pushTreeInfo(&window_sizes, ti);
6028
6029       if (value == setup.window_scaling_percent)
6030         current_window_size_found = TRUE;
6031     }
6032
6033     if (!current_window_size_found)
6034     {
6035       // add entry for non-preset window scaling value
6036
6037       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6038       char identifier[32], name[32];
6039       int value = setup.window_scaling_percent;
6040
6041       ti->node_top = &window_sizes;
6042       ti->sort_priority = value;
6043
6044       sprintf(identifier, "%d", value);
6045       sprintf(name, "%d %% (Current)", value);
6046
6047       setString(&ti->identifier, identifier);
6048       setString(&ti->name, name);
6049       setString(&ti->name_sorting, name);
6050       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6051
6052       pushTreeInfo(&window_sizes, ti);
6053     }
6054
6055     // sort window size values to start with lowest window size value
6056     sortTreeInfo(&window_sizes);
6057
6058     // set current window size value to configured window size value
6059     window_size_current =
6060       getTreeInfoFromIdentifier(window_sizes,
6061                                 i_to_a(setup.window_scaling_percent));
6062
6063     // if that fails, set current window size to reliable default value
6064     if (window_size_current == NULL)
6065       window_size_current =
6066         getTreeInfoFromIdentifier(window_sizes,
6067                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
6068
6069     // if that also fails, set current window size to first available value
6070     if (window_size_current == NULL)
6071       window_size_current = window_sizes;
6072   }
6073
6074   setup.window_scaling_percent = atoi(window_size_current->identifier);
6075
6076   // needed for displaying window size text instead of identifier
6077   window_size_text = window_size_current->name;
6078 }
6079
6080 static void execSetupGraphics_setScalingTypes(void)
6081 {
6082   if (scaling_types == NULL)
6083   {
6084     int i;
6085
6086     for (i = 0; scaling_types_list[i].value != NULL; i++)
6087     {
6088       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6089       char identifier[32], name[32];
6090       char *value = scaling_types_list[i].value;
6091       char *text = scaling_types_list[i].text;
6092
6093       ti->node_top = &scaling_types;
6094       ti->sort_priority = i;
6095
6096       sprintf(identifier, "%s", value);
6097       sprintf(name, "%s", text);
6098
6099       setString(&ti->identifier, identifier);
6100       setString(&ti->name, name);
6101       setString(&ti->name_sorting, name);
6102       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
6103
6104       pushTreeInfo(&scaling_types, ti);
6105     }
6106
6107     // sort scaling type values to start with lowest scaling type value
6108     sortTreeInfo(&scaling_types);
6109
6110     // set current scaling type value to configured scaling type value
6111     scaling_type_current =
6112       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
6113
6114     // if that fails, set current scaling type to reliable default value
6115     if (scaling_type_current == NULL)
6116       scaling_type_current =
6117         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
6118
6119     // if that also fails, set current scaling type to first available value
6120     if (scaling_type_current == NULL)
6121       scaling_type_current = scaling_types;
6122   }
6123
6124   setup.window_scaling_quality = scaling_type_current->identifier;
6125
6126   // needed for displaying scaling type text instead of identifier
6127   scaling_type_text = scaling_type_current->name;
6128 }
6129
6130 static void execSetupGraphics_setRenderingModes(void)
6131 {
6132   if (rendering_modes == NULL)
6133   {
6134     int i;
6135
6136     for (i = 0; rendering_modes_list[i].value != NULL; i++)
6137     {
6138       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6139       char identifier[32], name[32];
6140       char *value = rendering_modes_list[i].value;
6141       char *text = rendering_modes_list[i].text;
6142
6143       ti->node_top = &rendering_modes;
6144       ti->sort_priority = i;
6145
6146       sprintf(identifier, "%s", value);
6147       sprintf(name, "%s", text);
6148
6149       setString(&ti->identifier, identifier);
6150       setString(&ti->name, name);
6151       setString(&ti->name_sorting, name);
6152       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
6153
6154       pushTreeInfo(&rendering_modes, ti);
6155     }
6156
6157     // sort rendering mode values to start with lowest rendering mode value
6158     sortTreeInfo(&rendering_modes);
6159
6160     // set current rendering mode value to configured rendering mode value
6161     rendering_mode_current =
6162       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
6163
6164     // if that fails, set current rendering mode to reliable default value
6165     if (rendering_mode_current == NULL)
6166       rendering_mode_current =
6167         getTreeInfoFromIdentifier(rendering_modes,
6168                                   STR_SPECIAL_RENDERING_DEFAULT);
6169
6170     // if that also fails, set current rendering mode to first available one
6171     if (rendering_mode_current == NULL)
6172       rendering_mode_current = rendering_modes;
6173   }
6174
6175   setup.screen_rendering_mode = rendering_mode_current->identifier;
6176
6177   // needed for displaying rendering mode text instead of identifier
6178   rendering_mode_text = rendering_mode_current->name;
6179 }
6180
6181 static void execSetupGraphics_setVsyncModes(boolean update_value)
6182 {
6183   if (vsync_modes == NULL)
6184   {
6185     int i;
6186
6187     for (i = 0; vsync_modes_list[i].value != NULL; i++)
6188     {
6189       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6190       char identifier[32], name[32];
6191       char *value = vsync_modes_list[i].value;
6192       char *text = vsync_modes_list[i].text;
6193
6194       ti->node_top = &vsync_modes;
6195       ti->sort_priority = i;
6196
6197       sprintf(identifier, "%s", value);
6198       sprintf(name, "%s", text);
6199
6200       setString(&ti->identifier, identifier);
6201       setString(&ti->name, name);
6202       setString(&ti->name_sorting, name);
6203       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
6204
6205       pushTreeInfo(&vsync_modes, ti);
6206     }
6207
6208     // sort vsync mode values to start with lowest vsync mode value
6209     sortTreeInfo(&vsync_modes);
6210
6211     update_value = TRUE;
6212   }
6213
6214   if (update_value)
6215   {
6216     // set current vsync mode value to configured vsync mode value
6217     vsync_mode_current =
6218       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
6219
6220     // if that fails, set current vsync mode to reliable default value
6221     if (vsync_mode_current == NULL)
6222       vsync_mode_current =
6223         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
6224
6225     // if that also fails, set current vsync mode to first available one
6226     if (vsync_mode_current == NULL)
6227       vsync_mode_current = vsync_modes;
6228   }
6229
6230   setup.vsync_mode = vsync_mode_current->identifier;
6231
6232   // needed for displaying vsync mode text instead of identifier
6233   vsync_mode_text = vsync_mode_current->name;
6234 }
6235
6236 static void execSetupGraphics(void)
6237 {
6238   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
6239
6240   // update "setup.window_scaling_percent" from list selection
6241   // (in this case, window scaling was changed on setup screen)
6242   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6243     execSetupGraphics_setWindowSizes(FALSE);
6244
6245   // update "setup.vsync_mode" from list selection
6246   // (in this case, vsync mode was changed on setup screen)
6247   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
6248     execSetupGraphics_setVsyncModes(FALSE);
6249
6250   // update list selection from "setup.window_scaling_percent"
6251   // (window scaling may have changed by resizing the window)
6252   execSetupGraphics_setWindowSizes(TRUE);
6253
6254   // update list selection from "setup.vsync_mode"
6255   // (vsync_mode may have changed by re-creating the renderer)
6256   execSetupGraphics_setVsyncModes(TRUE);
6257
6258   execSetupGraphics_setScalingTypes();
6259   execSetupGraphics_setRenderingModes();
6260
6261   setup_mode = SETUP_MODE_GRAPHICS;
6262
6263   DrawSetupScreen();
6264
6265   // check if game speed is high enough for 60 Hz vsync to work
6266   if (check_game_speed)
6267     ModifyGameSpeedIfNeeded();
6268
6269   // window scaling may have changed at this point
6270   ChangeWindowScalingIfNeeded();
6271
6272   // window scaling quality may have changed at this point
6273   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
6274     SDLSetWindowScalingQuality(setup.window_scaling_quality);
6275
6276   // screen rendering mode may have changed at this point
6277   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
6278
6279   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6280   int video_vsync_mode = video.vsync_mode;
6281
6282   // screen vsync mode may have changed at this point
6283   ChangeVsyncModeIfNeeded();
6284
6285   // check if setting vsync mode to selected value failed
6286   if (setup_vsync_mode != video_vsync_mode &&
6287       setup_vsync_mode != video.vsync_mode)
6288   {
6289     // changing vsync mode to selected value failed -- reset displayed value
6290     execSetupGraphics_setVsyncModes(TRUE);
6291
6292     Request("Setting VSync failed!", REQ_CONFIRM);
6293
6294     DrawSetupScreen();
6295   }
6296 }
6297
6298 static void execSetupChooseWindowSize(void)
6299 {
6300   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6301
6302   DrawSetupScreen();
6303 }
6304
6305 static void execSetupChooseScalingType(void)
6306 {
6307   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6308
6309   DrawSetupScreen();
6310 }
6311
6312 static void execSetupChooseRenderingMode(void)
6313 {
6314   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6315
6316   DrawSetupScreen();
6317 }
6318
6319 static void execSetupChooseVsyncMode(void)
6320 {
6321   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6322
6323   DrawSetupScreen();
6324 }
6325
6326 static void execSetupChooseVolumeSimple(void)
6327 {
6328   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6329
6330   DrawSetupScreen();
6331 }
6332
6333 static void execSetupChooseVolumeLoops(void)
6334 {
6335   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6336
6337   DrawSetupScreen();
6338 }
6339
6340 static void execSetupChooseVolumeMusic(void)
6341 {
6342   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6343
6344   DrawSetupScreen();
6345 }
6346
6347 static void execSetupSound(void)
6348 {
6349   if (volumes_simple == NULL)
6350   {
6351     boolean current_volume_simple_found = FALSE;
6352     int i;
6353
6354     for (i = 0; volumes_list[i].value != -1; i++)
6355     {
6356       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6357       char identifier[32], name[32];
6358       int value = volumes_list[i].value;
6359       char *text = volumes_list[i].text;
6360
6361       ti->node_top = &volumes_simple;
6362       ti->sort_priority = value;
6363
6364       sprintf(identifier, "%d", value);
6365       sprintf(name, "%s", text);
6366
6367       setString(&ti->identifier, identifier);
6368       setString(&ti->name, name);
6369       setString(&ti->name_sorting, name);
6370       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6371
6372       pushTreeInfo(&volumes_simple, ti);
6373
6374       if (value == setup.volume_simple)
6375         current_volume_simple_found = TRUE;
6376     }
6377
6378     if (!current_volume_simple_found)
6379     {
6380       // add entry for non-preset volume value
6381
6382       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6383       char identifier[32], name[32];
6384       int value = setup.volume_simple;
6385
6386       ti->node_top = &volumes_simple;
6387       ti->sort_priority = value;
6388
6389       sprintf(identifier, "%d", value);
6390       sprintf(name, "%d %% (Current)", value);
6391
6392       setString(&ti->identifier, identifier);
6393       setString(&ti->name, name);
6394       setString(&ti->name_sorting, name);
6395       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6396
6397       pushTreeInfo(&volumes_simple, ti);
6398     }
6399
6400     // sort volume values to start with lowest volume value
6401     sortTreeInfo(&volumes_simple);
6402
6403     // set current volume value to configured volume value
6404     volume_simple_current =
6405       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6406
6407     // if that fails, set current volume to reliable default value
6408     if (volume_simple_current == NULL)
6409       volume_simple_current =
6410         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6411
6412     // if that also fails, set current volume to first available value
6413     if (volume_simple_current == NULL)
6414       volume_simple_current = volumes_simple;
6415   }
6416
6417   if (volumes_loops == NULL)
6418   {
6419     boolean current_volume_loops_found = FALSE;
6420     int i;
6421
6422     for (i = 0; volumes_list[i].value != -1; i++)
6423     {
6424       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6425       char identifier[32], name[32];
6426       int value = volumes_list[i].value;
6427       char *text = volumes_list[i].text;
6428
6429       ti->node_top = &volumes_loops;
6430       ti->sort_priority = value;
6431
6432       sprintf(identifier, "%d", value);
6433       sprintf(name, "%s", text);
6434
6435       setString(&ti->identifier, identifier);
6436       setString(&ti->name, name);
6437       setString(&ti->name_sorting, name);
6438       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6439
6440       pushTreeInfo(&volumes_loops, ti);
6441
6442       if (value == setup.volume_loops)
6443         current_volume_loops_found = TRUE;
6444     }
6445
6446     if (!current_volume_loops_found)
6447     {
6448       // add entry for non-preset volume value
6449
6450       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6451       char identifier[32], name[32];
6452       int value = setup.volume_loops;
6453
6454       ti->node_top = &volumes_loops;
6455       ti->sort_priority = value;
6456
6457       sprintf(identifier, "%d", value);
6458       sprintf(name, "%d %% (Current)", value);
6459
6460       setString(&ti->identifier, identifier);
6461       setString(&ti->name, name);
6462       setString(&ti->name_sorting, name);
6463       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6464
6465       pushTreeInfo(&volumes_loops, ti);
6466     }
6467
6468     // sort volume values to start with lowest volume value
6469     sortTreeInfo(&volumes_loops);
6470
6471     // set current volume value to configured volume value
6472     volume_loops_current =
6473       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6474
6475     // if that fails, set current volume to reliable default value
6476     if (volume_loops_current == NULL)
6477       volume_loops_current =
6478         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6479
6480     // if that also fails, set current volume to first available value
6481     if (volume_loops_current == NULL)
6482       volume_loops_current = volumes_loops;
6483   }
6484
6485   if (volumes_music == NULL)
6486   {
6487     boolean current_volume_music_found = FALSE;
6488     int i;
6489
6490     for (i = 0; volumes_list[i].value != -1; i++)
6491     {
6492       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6493       char identifier[32], name[32];
6494       int value = volumes_list[i].value;
6495       char *text = volumes_list[i].text;
6496
6497       ti->node_top = &volumes_music;
6498       ti->sort_priority = value;
6499
6500       sprintf(identifier, "%d", value);
6501       sprintf(name, "%s", text);
6502
6503       setString(&ti->identifier, identifier);
6504       setString(&ti->name, name);
6505       setString(&ti->name_sorting, name);
6506       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6507
6508       pushTreeInfo(&volumes_music, ti);
6509
6510       if (value == setup.volume_music)
6511         current_volume_music_found = TRUE;
6512     }
6513
6514     if (!current_volume_music_found)
6515     {
6516       // add entry for non-preset volume value
6517
6518       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6519       char identifier[32], name[32];
6520       int value = setup.volume_music;
6521
6522       ti->node_top = &volumes_music;
6523       ti->sort_priority = value;
6524
6525       sprintf(identifier, "%d", value);
6526       sprintf(name, "%d %% (Current)", value);
6527
6528       setString(&ti->identifier, identifier);
6529       setString(&ti->name, name);
6530       setString(&ti->name_sorting, name);
6531       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6532
6533       pushTreeInfo(&volumes_music, ti);
6534     }
6535
6536     // sort volume values to start with lowest volume value
6537     sortTreeInfo(&volumes_music);
6538
6539     // set current volume value to configured volume value
6540     volume_music_current =
6541       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6542
6543     // if that fails, set current volume to reliable default value
6544     if (volume_music_current == NULL)
6545       volume_music_current =
6546         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6547
6548     // if that also fails, set current volume to first available value
6549     if (volume_music_current == NULL)
6550       volume_music_current = volumes_music;
6551   }
6552
6553   setup.volume_simple = atoi(volume_simple_current->identifier);
6554   setup.volume_loops  = atoi(volume_loops_current->identifier);
6555   setup.volume_music  = atoi(volume_music_current->identifier);
6556
6557   // needed for displaying volume text instead of identifier
6558   volume_simple_text = volume_simple_current->name;
6559   volume_loops_text = volume_loops_current->name;
6560   volume_music_text = volume_music_current->name;
6561
6562   setup_mode = SETUP_MODE_SOUND;
6563
6564   DrawSetupScreen();
6565 }
6566
6567 static void execSetupChooseTouchControls(void)
6568 {
6569   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6570
6571   DrawSetupScreen();
6572 }
6573
6574 static void execSetupChooseMoveDistance(void)
6575 {
6576   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6577
6578   DrawSetupScreen();
6579 }
6580
6581 static void execSetupChooseDropDistance(void)
6582 {
6583   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6584
6585   DrawSetupScreen();
6586 }
6587
6588 static void execSetupChooseTransparency(void)
6589 {
6590   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6591
6592   DrawSetupScreen();
6593 }
6594
6595 static void execSetupChooseGridXSize_0(void)
6596 {
6597   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6598
6599   DrawSetupScreen();
6600 }
6601
6602 static void execSetupChooseGridYSize_0(void)
6603 {
6604   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6605
6606   DrawSetupScreen();
6607 }
6608
6609 static void execSetupChooseGridXSize_1(void)
6610 {
6611   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6612
6613   DrawSetupScreen();
6614 }
6615
6616 static void execSetupChooseGridYSize_1(void)
6617 {
6618   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6619
6620   DrawSetupScreen();
6621 }
6622
6623 static void execSetupConfigureVirtualButtons(void)
6624 {
6625   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6626
6627   ConfigureVirtualButtons();
6628
6629   setup_mode = SETUP_MODE_TOUCH;
6630
6631   DrawSetupScreen();
6632 }
6633
6634 static void execSetupTouch(void)
6635 {
6636   int i, j, k;
6637
6638   if (touch_controls == NULL)
6639   {
6640     for (i = 0; touch_controls_list[i].value != NULL; i++)
6641     {
6642       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6643       char identifier[32], name[32];
6644       char *value = touch_controls_list[i].value;
6645       char *text = touch_controls_list[i].text;
6646
6647       ti->node_top = &touch_controls;
6648       ti->sort_priority = i;
6649
6650       sprintf(identifier, "%s", value);
6651       sprintf(name, "%s", text);
6652
6653       setString(&ti->identifier, identifier);
6654       setString(&ti->name, name);
6655       setString(&ti->name_sorting, name);
6656       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6657
6658       pushTreeInfo(&touch_controls, ti);
6659     }
6660
6661     // sort touch control values to start with lowest touch control value
6662     sortTreeInfo(&touch_controls);
6663
6664     // set current touch control value to configured touch control value
6665     touch_control_current =
6666       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6667
6668     // if that fails, set current touch control to reliable default value
6669     if (touch_control_current == NULL)
6670       touch_control_current =
6671         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6672
6673     // if that also fails, set current touch control to first available value
6674     if (touch_control_current == NULL)
6675       touch_control_current = touch_controls;
6676   }
6677
6678   if (move_distances == NULL)
6679   {
6680     for (i = 0; distances_list[i].value != -1; i++)
6681     {
6682       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6683       char identifier[32], name[32];
6684       int value = distances_list[i].value;
6685       char *text = distances_list[i].text;
6686
6687       ti->node_top = &move_distances;
6688       ti->sort_priority = value;
6689
6690       sprintf(identifier, "%d", value);
6691       sprintf(name, "%s", text);
6692
6693       setString(&ti->identifier, identifier);
6694       setString(&ti->name, name);
6695       setString(&ti->name_sorting, name);
6696       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6697
6698       pushTreeInfo(&move_distances, ti);
6699     }
6700
6701     // sort distance values to start with lowest distance value
6702     sortTreeInfo(&move_distances);
6703
6704     // set current distance value to configured distance value
6705     move_distance_current =
6706       getTreeInfoFromIdentifier(move_distances,
6707                                 i_to_a(setup.touch.move_distance));
6708
6709     // if that fails, set current distance to reliable default value
6710     if (move_distance_current == NULL)
6711       move_distance_current =
6712         getTreeInfoFromIdentifier(move_distances,
6713                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6714
6715     // if that also fails, set current distance to first available value
6716     if (move_distance_current == NULL)
6717       move_distance_current = move_distances;
6718   }
6719
6720   if (drop_distances == NULL)
6721   {
6722     for (i = 0; distances_list[i].value != -1; i++)
6723     {
6724       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6725       char identifier[32], name[32];
6726       int value = distances_list[i].value;
6727       char *text = distances_list[i].text;
6728
6729       ti->node_top = &drop_distances;
6730       ti->sort_priority = value;
6731
6732       sprintf(identifier, "%d", value);
6733       sprintf(name, "%s", text);
6734
6735       setString(&ti->identifier, identifier);
6736       setString(&ti->name, name);
6737       setString(&ti->name_sorting, name);
6738       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6739
6740       pushTreeInfo(&drop_distances, ti);
6741     }
6742
6743     // sort distance values to start with lowest distance value
6744     sortTreeInfo(&drop_distances);
6745
6746     // set current distance value to configured distance value
6747     drop_distance_current =
6748       getTreeInfoFromIdentifier(drop_distances,
6749                                 i_to_a(setup.touch.drop_distance));
6750
6751     // if that fails, set current distance to reliable default value
6752     if (drop_distance_current == NULL)
6753       drop_distance_current =
6754         getTreeInfoFromIdentifier(drop_distances,
6755                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6756
6757     // if that also fails, set current distance to first available value
6758     if (drop_distance_current == NULL)
6759       drop_distance_current = drop_distances;
6760   }
6761
6762   if (transparencies == NULL)
6763   {
6764     for (i = 0; transparencies_list[i].value != -1; i++)
6765     {
6766       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6767       char identifier[32], name[32];
6768       int value = transparencies_list[i].value;
6769       char *text = transparencies_list[i].text;
6770
6771       ti->node_top = &transparencies;
6772       ti->sort_priority = value;
6773
6774       sprintf(identifier, "%d", value);
6775       sprintf(name, "%s", text);
6776
6777       setString(&ti->identifier, identifier);
6778       setString(&ti->name, name);
6779       setString(&ti->name_sorting, name);
6780       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6781
6782       pushTreeInfo(&transparencies, ti);
6783     }
6784
6785     // sort transparency values to start with lowest transparency value
6786     sortTreeInfo(&transparencies);
6787
6788     // set current transparency value to configured transparency value
6789     transparency_current =
6790       getTreeInfoFromIdentifier(transparencies,
6791                                 i_to_a(setup.touch.transparency));
6792
6793     // if that fails, set current transparency to reliable default value
6794     if (transparency_current == NULL)
6795       transparency_current =
6796         getTreeInfoFromIdentifier(transparencies,
6797                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6798
6799     // if that also fails, set current transparency to first available value
6800     if (transparency_current == NULL)
6801       transparency_current = transparencies;
6802   }
6803
6804   for (i = 0; i < 2; i++)
6805   {
6806     for (j = 0; j < 2; j++)
6807     {
6808       if (grid_sizes[i][j] == NULL)
6809       {
6810         for (k = 0; grid_sizes_list[k].value != -1; k++)
6811         {
6812           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6813           char identifier[32], name[32];
6814           int value = grid_sizes_list[k].value;
6815           char *text = grid_sizes_list[k].text;
6816
6817           ti->node_top = &grid_sizes[i][j];
6818           ti->sort_priority = value;
6819
6820           sprintf(identifier, "%d", value);
6821           sprintf(name, "%s", text);
6822
6823           setString(&ti->identifier, identifier);
6824           setString(&ti->name, name);
6825           setString(&ti->name_sorting, name);
6826           setString(&ti->infotext,
6827                     (i == 0 ?
6828                      (j == 0 ?
6829                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6830                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6831                      (j == 0 ?
6832                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6833                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6834
6835           pushTreeInfo(&grid_sizes[i][j], ti);
6836         }
6837
6838         // sort grid size values to start with lowest grid size value
6839         sortTreeInfo(&grid_sizes[i][j]);
6840
6841         // set current grid size value to configured grid size value
6842         grid_size_current[i][j] =
6843           getTreeInfoFromIdentifier(grid_sizes[i][j],
6844                                     i_to_a(j == 0 ?
6845                                            setup.touch.grid_xsize[i] :
6846                                            setup.touch.grid_ysize[i]));
6847
6848         // if that fails, set current grid size to reliable default value
6849         if (grid_size_current[i][j] == NULL)
6850           grid_size_current[i][j] =
6851             getTreeInfoFromIdentifier(grid_sizes[i][j],
6852                                       i_to_a(j == 0 ?
6853                                              DEFAULT_GRID_XSIZE(i) :
6854                                              DEFAULT_GRID_YSIZE(i)));
6855
6856         // if that also fails, set current grid size to first available value
6857         if (grid_size_current[i][j] == NULL)
6858           grid_size_current[i][j] = grid_sizes[i][j];
6859       }
6860     }
6861   }
6862
6863   setup.touch.control_type = touch_control_current->identifier;
6864   setup.touch.move_distance = atoi(move_distance_current->identifier);
6865   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6866   setup.touch.transparency = atoi(transparency_current->identifier);
6867
6868   for (i = 0; i < 2; i++)
6869   {
6870     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6871     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6872
6873     if (i == GRID_ACTIVE_NR())
6874     {
6875       overlay.grid_xsize = setup.touch.grid_xsize[i];
6876       overlay.grid_ysize = setup.touch.grid_ysize[i];
6877     }
6878   }
6879
6880   // needed for displaying value text instead of identifier
6881   touch_controls_text = touch_control_current->name;
6882   move_distance_text = move_distance_current->name;
6883   drop_distance_text = drop_distance_current->name;
6884   transparency_text = transparency_current->name;
6885
6886   for (i = 0; i < 2; i++)
6887     for (j = 0; j < 2; j++)
6888       grid_size_text[i][j] = grid_size_current[i][j]->name;
6889
6890   setup_mode = SETUP_MODE_TOUCH;
6891
6892   DrawSetupScreen();
6893 }
6894
6895 static void execSetupArtwork(void)
6896 {
6897   static ArtworkDirTree *gfx_last_valid = NULL;
6898   static ArtworkDirTree *snd_last_valid = NULL;
6899   static ArtworkDirTree *mus_last_valid = NULL;
6900
6901   // current artwork directory may be invalid (level group, parent link)
6902   if (!validLevelSeries(artwork.gfx_current))
6903     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6904   if (!validLevelSeries(artwork.snd_current))
6905     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6906   if (!validLevelSeries(artwork.mus_current))
6907     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6908
6909   // store valid artwork directory information
6910   gfx_last_valid = artwork.gfx_current;
6911   snd_last_valid = artwork.snd_current;
6912   mus_last_valid = artwork.mus_current;
6913
6914 #if 0
6915   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6916         artwork.gfx_current->subdir,
6917         artwork.gfx_current->fullpath,
6918         artwork.gfx_current->basepath);
6919 #endif
6920
6921   setup.graphics_set = artwork.gfx_current->identifier;
6922   setup.sounds_set = artwork.snd_current->identifier;
6923   setup.music_set = artwork.mus_current->identifier;
6924
6925   // needed if last screen (setup choice) changed graphics, sounds or music
6926   ReloadCustomArtwork(0);
6927
6928   // needed for displaying artwork name instead of artwork identifier
6929   graphics_set_name = artwork.gfx_current->name;
6930   sounds_set_name = artwork.snd_current->name;
6931   music_set_name = artwork.mus_current->name;
6932
6933   setup_mode = SETUP_MODE_ARTWORK;
6934
6935   DrawSetupScreen();
6936 }
6937
6938 static void execSetupChooseGraphics(void)
6939 {
6940   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6941
6942   DrawSetupScreen();
6943 }
6944
6945 static void execSetupChooseSounds(void)
6946 {
6947   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6948
6949   DrawSetupScreen();
6950 }
6951
6952 static void execSetupChooseMusic(void)
6953 {
6954   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6955
6956   DrawSetupScreen();
6957 }
6958
6959 static void execSetupInput(void)
6960 {
6961   setup_mode = SETUP_MODE_INPUT;
6962
6963   DrawSetupScreen();
6964 }
6965
6966 static void execSetupShortcuts(void)
6967 {
6968   setup_mode = SETUP_MODE_SHORTCUTS;
6969
6970   DrawSetupScreen();
6971 }
6972
6973 static void execSetupShortcuts1(void)
6974 {
6975   setup_mode = SETUP_MODE_SHORTCUTS_1;
6976
6977   DrawSetupScreen();
6978 }
6979
6980 static void execSetupShortcuts2(void)
6981 {
6982   setup_mode = SETUP_MODE_SHORTCUTS_2;
6983
6984   DrawSetupScreen();
6985 }
6986
6987 static void execSetupShortcuts3(void)
6988 {
6989   setup_mode = SETUP_MODE_SHORTCUTS_3;
6990
6991   DrawSetupScreen();
6992 }
6993
6994 static void execSetupShortcuts4(void)
6995 {
6996   setup_mode = SETUP_MODE_SHORTCUTS_4;
6997
6998   DrawSetupScreen();
6999 }
7000
7001 static void execSetupShortcuts5(void)
7002 {
7003   setup_mode = SETUP_MODE_SHORTCUTS_5;
7004
7005   DrawSetupScreen();
7006 }
7007
7008 static void execExitSetup(void)
7009 {
7010   SetGameStatus(GAME_MODE_MAIN);
7011
7012   DrawMainMenu();
7013 }
7014
7015 static void execSaveAndExitSetup(void)
7016 {
7017   SaveSetup();
7018   execExitSetup();
7019 }
7020
7021 static void execGadgetNetworkServer(void)
7022 {
7023   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
7024   struct GadgetInfo *gi = screen_gadget[gadget_id];
7025
7026   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
7027     network_server_hostname[0] = '\0';
7028
7029   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
7030
7031   MapGadget(gi);
7032
7033   ClickOnGadget(gi, MB_LEFTBUTTON);
7034 }
7035
7036 static void execOfferUploadTapes(void)
7037 {
7038   OfferUploadTapes();
7039 }
7040
7041 static void ToggleNetworkModeIfNeeded(void)
7042 {
7043   int font_title = FONT_TITLE_1;
7044   int font_foot = FC_BLUE;
7045   int ystart  = mSY - SY + 16;
7046   int ybottom = mSY - SY + SYSIZE - 20;
7047   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
7048
7049   if (setup.network_mode == network.enabled)
7050     return;
7051
7052   network.enabled = setup.network_mode;
7053
7054   FadeOut(REDRAW_ALL);
7055
7056   ClearField();
7057
7058   DrawTextSCentered(ystart, font_title, text);
7059
7060   FadeIn(REDRAW_ALL);
7061
7062   if (network.enabled)
7063     InitNetworkServer();
7064   else
7065     DisconnectFromNetworkServer();
7066
7067   DrawTextSCentered(ybottom, font_foot,
7068                     "Press any key or button for setup menu");
7069
7070   WaitForEventToContinue();
7071
7072   DrawSetupScreen();
7073 }
7074
7075 static void ToggleGameSpeedsListIfNeeded(void)
7076 {
7077   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
7078
7079   if (setup.game_speed_extended == using_game_speeds_extended)
7080     return;
7081
7082   // try to match similar values when changing game speeds list
7083   if (setup.game_speed_extended)
7084     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
7085                               setup.game_frame_delay == 30 ? 29 :
7086                               setup.game_frame_delay);
7087   else
7088     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
7089                               setup.game_frame_delay == 16 ? 15 :
7090                               setup.game_frame_delay >= 29 ? 30 :
7091                               setup.game_frame_delay <= 10 ? 10 :
7092                               setup.game_frame_delay);
7093
7094   execSetupGame_setGameSpeeds(TRUE);
7095
7096   DrawSetupScreen();
7097 }
7098
7099 static void ToggleUseApiServerIfNeeded(void)
7100 {
7101   if (runtime.use_api_server == setup.use_api_server)
7102     return;
7103
7104   runtime.use_api_server = setup.use_api_server;
7105
7106   if (runtime.use_api_server)
7107   {
7108     if (setup.has_remaining_tapes)
7109       setup.ask_for_uploading_tapes = TRUE;
7110
7111     CheckApiServerTasks();
7112   }
7113 }
7114
7115 static void ModifyGameSpeedIfNeeded(void)
7116 {
7117   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7118       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
7119     return;
7120
7121   char message[100];
7122   char *game_speed_text = "Fast";
7123   int game_speed_value = 15;
7124
7125   if (setup.game_speed_extended)
7126   {
7127     game_speed_text = "60 fps";
7128     game_speed_value = 16;
7129   }
7130
7131   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
7132
7133   // set game speed to existing list value that is fast enough for vsync
7134   setup.game_frame_delay = game_speed_value;
7135
7136   execSetupGame_setGameSpeeds(TRUE);
7137
7138   Request(message, REQ_CONFIRM);
7139 }
7140
7141 static void DisableVsyncIfNeeded(void)
7142 {
7143   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7144       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
7145        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
7146     return;
7147
7148   // disable vsync for the selected game speed to work
7149   setup.vsync_mode = STR_VSYNC_MODE_OFF;
7150
7151   execSetupGraphics_setVsyncModes(TRUE);
7152
7153   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
7154 }
7155
7156 static struct
7157 {
7158   void *value;
7159   void *related_value;
7160 } hide_related_entry_list[] =
7161 {
7162   { &setup.network_server_hostname,     execGadgetNetworkServer         },
7163   { &setup.network_server_hostname,     &network_server_text            },
7164
7165   { &setup.scores_in_highscore_list,    execSetupChooseScoresType       },
7166   { &setup.scores_in_highscore_list,    &scores_type_text               },
7167
7168   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
7169   { &setup.game_frame_delay,            &game_speed_text                },
7170
7171   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
7172   { &setup.scroll_delay_value,          &scroll_delay_text              },
7173
7174   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
7175   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
7176
7177   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
7178   { &setup.window_scaling_percent,      &window_size_text               },
7179
7180   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
7181   { &setup.window_scaling_quality,      &scaling_type_text              },
7182
7183   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
7184   { &setup.screen_rendering_mode,       &rendering_mode_text            },
7185
7186   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
7187   { &setup.vsync_mode,                  &vsync_mode_text                },
7188
7189   { &setup.graphics_set,                execSetupChooseGraphics         },
7190   { &setup.graphics_set,                &graphics_set_name              },
7191
7192   { &setup.sounds_set,                  execSetupChooseSounds           },
7193   { &setup.sounds_set,                  &sounds_set_name                },
7194
7195   { &setup.music_set,                   execSetupChooseMusic            },
7196   { &setup.music_set,                   &music_set_name                 },
7197
7198   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
7199   { &setup.volume_simple,               &volume_simple_text             },
7200
7201   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
7202   { &setup.volume_loops,                &volume_loops_text              },
7203
7204   { &setup.volume_music,                execSetupChooseVolumeMusic      },
7205   { &setup.volume_music,                &volume_music_text              },
7206
7207   { &setup.touch.control_type,          execSetupChooseTouchControls    },
7208   { &setup.touch.control_type,          &touch_controls_text            },
7209
7210   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
7211   { &setup.touch.move_distance,         &move_distance_text             },
7212
7213   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
7214   { &setup.touch.drop_distance,         &drop_distance_text             },
7215
7216   { &setup.touch.transparency,          execSetupChooseTransparency     },
7217   { &setup.touch.transparency,          &transparency_text              },
7218
7219   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
7220   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
7221
7222   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
7223   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
7224
7225   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
7226   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
7227
7228   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
7229   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
7230
7231   { &setup.internal.menu_game,          execSetupGame                   },
7232   { &setup.internal.menu_engines,       execSetupEngines                },
7233   { &setup.internal.menu_editor,        execSetupEditor                 },
7234   { &setup.internal.menu_graphics,      execSetupGraphics               },
7235   { &setup.internal.menu_sound,         execSetupSound                  },
7236   { &setup.internal.menu_artwork,       execSetupArtwork                },
7237   { &setup.internal.menu_input,         execSetupInput                  },
7238   { &setup.internal.menu_touch,         execSetupTouch                  },
7239   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
7240   { &setup.internal.menu_exit,          execExitSetup                   },
7241   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
7242
7243   { &setup.internal.menu_shortcuts_various,     execSetupShortcuts1     },
7244   { &setup.internal.menu_shortcuts_focus,       execSetupShortcuts2     },
7245   { &setup.internal.menu_shortcuts_tape,        execSetupShortcuts3     },
7246   { &setup.internal.menu_shortcuts_sound,       execSetupShortcuts4     },
7247   { &setup.internal.menu_shortcuts_snap,        execSetupShortcuts5     },
7248
7249   { &setup.internal.info_title,         execInfoTitleScreen             },
7250   { &setup.internal.info_elements,      execInfoElements                },
7251   { &setup.internal.info_music,         execInfoMusic                   },
7252   { &setup.internal.info_credits,       execInfoCredits                 },
7253   { &setup.internal.info_program,       execInfoProgram                 },
7254   { &setup.internal.info_version,       execInfoVersion                 },
7255   { &setup.internal.info_levelset,      execInfoLevelSet                },
7256   { &setup.internal.info_exit,          execExitInfo                    },
7257
7258   { NULL,                               NULL                            }
7259 };
7260
7261 void setHideRelatedSetupEntries(void)
7262 {
7263   int i;
7264
7265   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
7266     if (hideSetupEntry(hide_related_entry_list[i].value))
7267       setHideSetupEntry(hide_related_entry_list[i].related_value);
7268 }
7269
7270 static struct TokenInfo setup_info_main[] =
7271 {
7272   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
7273   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
7274   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
7275   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
7276   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
7277   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
7278   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
7279   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
7280   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
7281   { TYPE_EMPTY,         NULL,                   ""                      },
7282   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
7283   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
7284
7285   { 0,                  NULL,                   NULL                    }
7286 };
7287
7288 static struct TokenInfo setup_info_game[] =
7289 {
7290   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
7291   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
7292   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
7293   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
7294   { TYPE_STRING,        &network_server_text,   ""                      },
7295   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
7296   { TYPE_ENTER_LIST,    execSetupChooseScoresType,"Scores in Highscore List:" },
7297   { TYPE_STRING,        &scores_type_text,      ""                      },
7298   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload Tapes to Server" },
7299   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
7300   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
7301   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
7302   { TYPE_SWITCH,        &setup.handicap,        "Force Solving Levels:" },
7303   { TYPE_SWITCH,        &setup.skip_levels,     "Allow Skipping Levels:" },
7304   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
7305   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
7306   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
7307   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
7308   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
7309   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
7310   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
7311   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record When Playing:" },
7312   { TYPE_SWITCH,        &setup.autorecord_after_replay, "Auto-Record After Replay:" },
7313   { TYPE_SWITCH,        &setup.auto_pause_on_start, "Start Game in Pause Mode:" },
7314   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
7315   { TYPE_STRING,        &game_speed_text,       ""                      },
7316   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
7317 #if 1
7318   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7319   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7320 #endif
7321   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
7322   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
7323   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
7324   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
7325   { TYPE_EMPTY,         NULL,                   ""                      },
7326   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7327
7328   { 0,                  NULL,                   NULL                    }
7329 };
7330
7331 static struct TokenInfo setup_info_engines[] =
7332 {
7333   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
7334   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
7335   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
7336   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
7337   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
7338   { TYPE_EMPTY,         NULL,                   ""                      },
7339   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
7340   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
7341   { TYPE_EMPTY,         NULL,                   ""                      },
7342   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7343
7344   { 0,                  NULL,                   NULL                    }
7345 };
7346
7347 static struct TokenInfo setup_info_editor[] =
7348 {
7349 #if 0
7350   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
7351   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
7352   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
7353   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
7354   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
7355   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
7356   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
7357   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
7358   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
7359   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
7360 #endif
7361   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
7362   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
7363 #if 0
7364   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
7365 #endif
7366   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
7367   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
7368   { TYPE_EMPTY,         NULL,                   ""                      },
7369 #if 0
7370   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
7371   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
7372   { TYPE_EMPTY,         NULL,                   ""                      },
7373 #endif
7374   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
7375   { TYPE_EMPTY,         NULL,                   ""                      },
7376   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
7377   { TYPE_EMPTY,         NULL,                   ""                      },
7378   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7379
7380   { 0,                  NULL,                   NULL                    }
7381 };
7382
7383 static struct TokenInfo setup_info_graphics[] =
7384 {
7385 #if !defined(PLATFORM_ANDROID) && !defined(PLATFORM_EMSCRIPTEN)
7386   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7387   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7388   { TYPE_STRING,        &window_size_text,      ""                      },
7389   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7390   { TYPE_STRING,        &scaling_type_text,     ""                      },
7391   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7392   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7393 #endif
7394 #if 0
7395   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7396   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7397 #endif
7398 #if !defined(PLATFORM_EMSCRIPTEN)
7399   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7400   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7401 #endif
7402   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7403   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7404   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7405   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7406   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7407   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7408   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7409   { TYPE_EMPTY,         NULL,                   ""                      },
7410   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7411
7412   { 0,                  NULL,                   NULL                    }
7413 };
7414
7415 static struct TokenInfo setup_info_sound[] =
7416 {
7417   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7418   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7419   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7420   { TYPE_EMPTY,         NULL,                   ""                      },
7421   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7422   { TYPE_STRING,        &volume_simple_text,    ""                      },
7423   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7424   { TYPE_STRING,        &volume_loops_text,     ""                      },
7425   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7426   { TYPE_STRING,        &volume_music_text,     ""                      },
7427   { TYPE_EMPTY,         NULL,                   ""                      },
7428   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7429
7430   { 0,                  NULL,                   NULL                    }
7431 };
7432
7433 static struct TokenInfo setup_info_artwork[] =
7434 {
7435   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7436   { TYPE_STRING,        &graphics_set_name,     ""                      },
7437   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7438   { TYPE_STRING,        &sounds_set_name,       ""                      },
7439   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7440   { TYPE_STRING,        &music_set_name,        ""                      },
7441   { TYPE_EMPTY,         NULL,                   ""                      },
7442   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7443   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7444   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7445   { TYPE_EMPTY,         NULL,                   ""                      },
7446   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7447
7448   { 0,                  NULL,                   NULL                    }
7449 };
7450
7451 static struct TokenInfo setup_info_input[] =
7452 {
7453   { TYPE_SWITCH,        NULL,                   "Player:"               },
7454   { TYPE_SWITCH,        NULL,                   "Device:"               },
7455   { TYPE_SWITCH,        NULL,                   ""                      },
7456   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7457   { TYPE_EMPTY,         NULL,                   ""                      },
7458   { TYPE_EMPTY,         NULL,                   ""                      },
7459   { TYPE_EMPTY,         NULL,                   ""                      },
7460   { TYPE_EMPTY,         NULL,                   ""                      },
7461   { TYPE_EMPTY,         NULL,                   ""                      },
7462   { TYPE_EMPTY,         NULL,                   ""                      },
7463   { TYPE_EMPTY,         NULL,                   ""                      },
7464   { TYPE_EMPTY,         NULL,                   ""                      },
7465   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7466   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7467
7468   { 0,                  NULL,                   NULL                    }
7469 };
7470
7471 static struct TokenInfo setup_info_touch[] =
7472 {
7473   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7474   { TYPE_STRING,        &touch_controls_text,   ""                      },
7475   { TYPE_EMPTY,         NULL,                   ""                      },
7476   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7477
7478   { 0,                  NULL,                   NULL                    }
7479 };
7480
7481 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7482 {
7483   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7484   { TYPE_STRING,        &touch_controls_text,   ""                      },
7485   { TYPE_EMPTY,         NULL,                   ""                      },
7486   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7487   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7488   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7489   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7490   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7491   { TYPE_STRING,        &transparency_text,     ""                      },
7492   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7493   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7494   { TYPE_EMPTY,         NULL,                   ""                      },
7495   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7496   { TYPE_EMPTY,         NULL,                   ""                      },
7497   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7498
7499   { 0,                  NULL,                   NULL                    }
7500 };
7501
7502 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7503 {
7504   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7505   { TYPE_STRING,        &touch_controls_text,   ""                      },
7506   { TYPE_EMPTY,         NULL,                   ""                      },
7507   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7508   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7509   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7510   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7511   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7512   { TYPE_STRING,        &transparency_text,     ""                      },
7513   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7514   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7515   { TYPE_EMPTY,         NULL,                   ""                      },
7516   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7517   { TYPE_EMPTY,         NULL,                   ""                      },
7518   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7519
7520   { 0,                  NULL,                   NULL                    }
7521 };
7522
7523 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7524 {
7525   setup_info_touch_virtual_buttons_0,
7526   setup_info_touch_virtual_buttons_1
7527 };
7528
7529 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7530 {
7531   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7532   { TYPE_STRING,        &touch_controls_text,   ""                      },
7533   { TYPE_EMPTY,         NULL,                   ""                      },
7534   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7535   { TYPE_STRING,        &move_distance_text,    ""                      },
7536   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7537   { TYPE_STRING,        &drop_distance_text,    ""                      },
7538   { TYPE_EMPTY,         NULL,                   ""                      },
7539   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7540
7541   { 0,                  NULL,                   NULL                    }
7542 };
7543
7544 static struct TokenInfo setup_info_shortcuts[] =
7545 {
7546   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7547   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7548   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7549   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7550   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7551   { TYPE_EMPTY,         NULL,                   ""                      },
7552   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7553
7554   { 0,                  NULL,                   NULL                    }
7555 };
7556
7557 static struct TokenInfo setup_info_shortcuts_1[] =
7558 {
7559   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7560   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7561   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7562   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7563   { TYPE_KEYTEXT,       NULL,           "Restart Game:",                },
7564   { TYPE_KEY,           &setup.shortcut.restart_game, ""                },
7565   { TYPE_KEYTEXT,       NULL,           "Replay & Pause Before End:",   },
7566   { TYPE_KEY,           &setup.shortcut.pause_before_end, ""            },
7567   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7568   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7569   { TYPE_EMPTY,         NULL,                   ""                      },
7570   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7571   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7572   { TYPE_EMPTY,         NULL,                   ""                      },
7573   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7574
7575   { 0,                  NULL,                   NULL                    }
7576 };
7577
7578 static struct TokenInfo setup_info_shortcuts_2[] =
7579 {
7580   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7581   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7582   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7583   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7584   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7585   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7586   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7587   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7588   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7589   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7590   { TYPE_EMPTY,         NULL,                   ""                      },
7591   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7592
7593   { 0,                  NULL,                   NULL                    }
7594 };
7595
7596 static struct TokenInfo setup_info_shortcuts_3[] =
7597 {
7598   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7599   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7600   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7601   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7602   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7603   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7604   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7605   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7606   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7607   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7608   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7609   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7610   { TYPE_EMPTY,         NULL,                   ""                      },
7611   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7612
7613   { 0,                  NULL,                   NULL                    }
7614 };
7615
7616 static struct TokenInfo setup_info_shortcuts_4[] =
7617 {
7618   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7619   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7620   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7621   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7622   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7623   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7624   { TYPE_EMPTY,         NULL,                   ""                      },
7625   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7626
7627   { 0,                  NULL,                   NULL                    }
7628 };
7629
7630 static struct TokenInfo setup_info_shortcuts_5[] =
7631 {
7632   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7633   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7634   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7635   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7636   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7637   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7638   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7639   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7640   { TYPE_EMPTY,         NULL,                   ""                      },
7641   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7642
7643   { 0,                  NULL,                   NULL                    }
7644 };
7645
7646 static Key getSetupKey(void)
7647 {
7648   Key key = KSYM_UNDEFINED;
7649   boolean got_key_event = FALSE;
7650
7651   while (!got_key_event)
7652   {
7653     Event event;
7654
7655     if (NextValidEvent(&event))
7656     {
7657       switch (event.type)
7658       {
7659         case EVENT_KEYPRESS:
7660           {
7661             key = GetEventKey((KeyEvent *)&event);
7662
7663             // press 'Escape' or 'Enter' to keep the existing key binding
7664             if (key == KSYM_Escape || key == KSYM_Return)
7665               key = KSYM_UNDEFINED;     // keep old value
7666
7667             got_key_event = TRUE;
7668           }
7669           break;
7670
7671         case EVENT_KEYRELEASE:
7672           key_joystick_mapping = 0;
7673           break;
7674
7675         default:
7676           HandleOtherEvents(&event);
7677           break;
7678       }
7679     }
7680
7681     BackToFront();
7682   }
7683
7684   return key;
7685 }
7686
7687 static int getSetupValueFont(int type, void *value)
7688 {
7689   if (type & TYPE_GHOSTED)
7690     return FONT_OPTION_OFF;
7691   else if (type & TYPE_KEY)
7692     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7693   else if (type & TYPE_STRING)
7694     return FONT_VALUE_2;
7695   else if (type & TYPE_ECS_AGA)
7696     return FONT_VALUE_1;
7697   else if (type & TYPE_BOOLEAN_STYLE)
7698     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7699   else if (type & TYPE_YES_NO_AUTO)
7700     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7701             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7702   else if (type & TYPE_PLAYER)
7703     return FONT_VALUE_1;
7704   else
7705     return FONT_VALUE_1;
7706 }
7707
7708 static int getSetupValueFontNarrow(int type, int font_nr)
7709 {
7710   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7711           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7712           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7713           font_nr);
7714 }
7715
7716 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7717 {
7718   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7719   struct TokenInfo *si = &setup_info[si_pos];
7720   boolean font_draw_xoffset_modified = FALSE;
7721   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7722   int font_draw_xoffset_old = -1;
7723   int xoffset = (scrollbar_needed ? -1 : 0);
7724   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7725   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7726   int xpos = menu_screen_value_xpos;
7727   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7728   int startx = mSX + xpos * 32;
7729   int starty = mSY + ypos * 32;
7730   int type = si->type;
7731   void *value = si->value;
7732   char *value_string = getSetupValue(type, value);
7733   int font_nr_default = getSetupValueFont(type, value);
7734   int font_width_default = getFontWidth(font_nr_default);
7735   int font_nr = font_nr_default;
7736   int i;
7737
7738   if (value_string == NULL)
7739     return;
7740
7741   if (type & TYPE_KEY)
7742   {
7743     xpos = MENU_SCREEN_START_XPOS;
7744
7745     if (type & TYPE_QUERY)
7746       value_string = "<press key>";
7747   }
7748   else if (type & TYPE_STRING)
7749   {
7750     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7751
7752     xpos = MENU_SCREEN_START_XPOS;
7753
7754     if (strlen(value_string) > max_value_len)
7755       value_string[max_value_len] = '\0';
7756   }
7757   else if (type & TYPE_YES_NO_AUTO)
7758   {
7759     xpos = menu_screen_value_xpos - 1;
7760   }
7761   else if (type & TYPE_PLAYER)
7762   {
7763     int displayed_player_nr = *(int *)value + 1;
7764
7765     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7766   }
7767
7768   startx = mSX + xpos * 32;
7769   starty = mSY + ypos * 32;
7770
7771   // special check if right-side setup values moved left due to scrollbar
7772   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7773   {
7774     int max_menu_text_length = 26;      // maximum text length for classic menu
7775     int font_xoffset = getFontDrawOffsetX(font_nr);
7776     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7777     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7778     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7779     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7780
7781     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7782     {
7783       // when using narrow font, left-shifting text "auto" not needed
7784       if (type & TYPE_YES_NO_AUTO)
7785         xpos += 1;
7786
7787       xpos += 1;
7788       startx = mSX + xpos * 32;
7789
7790       font_nr = getSetupValueFontNarrow(type, font_nr);
7791     }
7792   }
7793
7794   // downward compatibility correction for Juergen Bonhagen's menu settings
7795   if (setup_mode != SETUP_MODE_INPUT)
7796   {
7797     int max_menu_text_length_big = (menu_screen_value_xpos -
7798                                     MENU_SCREEN_START_XPOS);
7799     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7800     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7801     int font1_xoffset = getFontDrawOffsetX(font_nr);
7802     int font2_xoffset = getFontDrawOffsetX(check_font_nr);
7803     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7804     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7805     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7806     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7807     boolean correct_font_draw_xoffset = FALSE;
7808
7809     if (xpos == MENU_SCREEN_START_XPOS &&
7810         startx + font1_xoffset < text_startx + text_font_xoffset)
7811       correct_font_draw_xoffset = TRUE;
7812
7813     if (xpos == menu_screen_value_xpos &&
7814         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7815       correct_font_draw_xoffset = TRUE;
7816
7817     // check if setup value would overlap with setup text when printed
7818     // (this can happen for extreme/wrong values for font draw offset)
7819     if (correct_font_draw_xoffset)
7820     {
7821       font_draw_xoffset_old = getFontDrawOffsetX(font_nr);
7822       font_draw_xoffset_modified = TRUE;
7823
7824       if (type & TYPE_KEY)
7825         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7826       else if (!(type & TYPE_STRING))
7827         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7828           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7829     }
7830   }
7831
7832   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7833     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7834
7835   DrawText(startx, starty, value_string, font_nr);
7836
7837   if (type & TYPE_PLAYER)
7838   {
7839     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7840     int player_nr = *(int *)value;
7841     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7842     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7843     int startx2 = startx + xoff;
7844     int starty2 = starty + yoff;
7845
7846     if (DrawingOnBackground(startx2, starty2))
7847       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7848
7849     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7850                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7851   }
7852
7853   if (font_draw_xoffset_modified)
7854     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7855 }
7856
7857 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7858 {
7859   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7860   struct TokenInfo *si = &setup_info[si_pos];
7861
7862   if (si->type & TYPE_BOOLEAN_STYLE)
7863   {
7864     *(boolean *)si->value ^= TRUE;
7865   }
7866   else if (si->type & TYPE_YES_NO_AUTO)
7867   {
7868     *(int *)si->value =
7869       (dx == -1 ?
7870        (*(int *)si->value == AUTO ? TRUE :
7871         *(int *)si->value == TRUE ? FALSE : AUTO) :
7872        (*(int *)si->value == TRUE ? AUTO :
7873         *(int *)si->value == AUTO ? FALSE : TRUE));
7874   }
7875   else if (si->type & TYPE_KEY)
7876   {
7877     Key key;
7878
7879     si->type |= TYPE_QUERY;
7880     drawSetupValue(screen_pos, setup_info_pos_raw);
7881     si->type &= ~TYPE_QUERY;
7882
7883     key = getSetupKey();
7884     if (key != KSYM_UNDEFINED)
7885       *(Key *)si->value = key;
7886   }
7887   else if (si->type & TYPE_PLAYER)
7888   {
7889     int player_nr = *(int *)si->value;
7890
7891     if (dx)
7892       player_nr += dx;
7893     else
7894       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7895
7896     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7897   }
7898
7899   drawSetupValue(screen_pos, setup_info_pos_raw);
7900
7901   // fullscreen state may have changed at this point
7902   if (si->value == &setup.fullscreen)
7903     ToggleFullscreenIfNeeded();
7904
7905   // network mode may have changed at this point
7906   if (si->value == &setup.network_mode)
7907     ToggleNetworkModeIfNeeded();
7908
7909   // API server mode may have changed at this point
7910   if (si->value == &setup.use_api_server)
7911     ToggleUseApiServerIfNeeded();
7912
7913   // game speed list may have changed at this point
7914   if (si->value == &setup.game_speed_extended)
7915     ToggleGameSpeedsListIfNeeded();
7916 }
7917
7918 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7919 {
7920   static struct TokenInfo *setup_info_final = NULL;
7921   int list_size = 0;
7922   int list_pos = 0;
7923   int i;
7924
7925   // determine maximum list size of target list
7926   while (setup_info_orig[list_size++].type != 0);
7927
7928   // free, allocate and clear memory for target list
7929   checked_free(setup_info_final);
7930   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7931
7932   // copy setup info list without setup entries marked as hidden
7933   for (i = 0; setup_info_orig[i].type != 0; i++)
7934   {
7935     // skip setup entries configured to be hidden
7936     if (hideSetupEntry(setup_info_orig[i].value))
7937       continue;
7938
7939     // skip skippable setup entries if screen is lower than usual
7940     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7941         setup_info_orig[i].type == TYPE_SKIPPABLE)
7942       continue;
7943
7944     setup_info_final[list_pos++] = setup_info_orig[i];
7945   }
7946
7947   return setup_info_final;
7948 }
7949
7950 static void DrawSetupScreen_Generic(void)
7951 {
7952   int fade_mask = REDRAW_FIELD;
7953   boolean redraw_all = FALSE;
7954   char *title_string = NULL;
7955   int i;
7956
7957   if (CheckFadeAll())
7958     fade_mask = REDRAW_ALL;
7959
7960   UnmapAllGadgets();
7961   FadeMenuSoundsAndMusic();
7962
7963   FreeScreenGadgets();
7964   CreateScreenGadgets();
7965
7966   if (redraw_mask & REDRAW_ALL)
7967     redraw_all = TRUE;
7968
7969   FadeOut(fade_mask);
7970
7971   // needed if different viewport properties defined for setup screen
7972   ChangeViewportPropertiesIfNeeded();
7973
7974   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7975
7976   ClearField();
7977
7978   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7979
7980   if (setup_mode == SETUP_MODE_MAIN)
7981   {
7982     setup_info = setup_info_main;
7983     title_string = STR_SETUP_MAIN;
7984   }
7985   else if (setup_mode == SETUP_MODE_GAME)
7986   {
7987     setup_info = setup_info_game;
7988     title_string = STR_SETUP_GAME;
7989   }
7990   else if (setup_mode == SETUP_MODE_ENGINES)
7991   {
7992     setup_info = setup_info_engines;
7993     title_string = STR_SETUP_ENGINES;
7994   }
7995   else if (setup_mode == SETUP_MODE_EDITOR)
7996   {
7997     setup_info = setup_info_editor;
7998     title_string = STR_SETUP_EDITOR;
7999   }
8000   else if (setup_mode == SETUP_MODE_GRAPHICS)
8001   {
8002     setup_info = setup_info_graphics;
8003     title_string = STR_SETUP_GRAPHICS;
8004   }
8005   else if (setup_mode == SETUP_MODE_SOUND)
8006   {
8007     setup_info = setup_info_sound;
8008     title_string = STR_SETUP_SOUND;
8009   }
8010   else if (setup_mode == SETUP_MODE_ARTWORK)
8011   {
8012     setup_info = setup_info_artwork;
8013     title_string = STR_SETUP_ARTWORK;
8014   }
8015   else if (setup_mode == SETUP_MODE_TOUCH)
8016   {
8017     setup_info = setup_info_touch;
8018     title_string = STR_SETUP_TOUCH;
8019
8020     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
8021       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
8022     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
8023       setup_info = setup_info_touch_wipe_gestures;
8024   }
8025   else if (setup_mode == SETUP_MODE_SHORTCUTS)
8026   {
8027     setup_info = setup_info_shortcuts;
8028     title_string = STR_SETUP_SHORTCUTS;
8029   }
8030   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
8031   {
8032     setup_info = setup_info_shortcuts_1;
8033     title_string = STR_SETUP_SHORTCUTS;
8034   }
8035   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
8036   {
8037     setup_info = setup_info_shortcuts_2;
8038     title_string = STR_SETUP_SHORTCUTS;
8039   }
8040   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
8041   {
8042     setup_info = setup_info_shortcuts_3;
8043     title_string = STR_SETUP_SHORTCUTS;
8044   }
8045   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
8046   {
8047     setup_info = setup_info_shortcuts_4;
8048     title_string = STR_SETUP_SHORTCUTS;
8049   }
8050   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
8051   {
8052     setup_info = setup_info_shortcuts_5;
8053     title_string = STR_SETUP_SHORTCUTS;
8054   }
8055
8056   // use modified setup info without setup entries marked as hidden
8057   setup_info = getSetupInfoFinal(setup_info);
8058
8059   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
8060
8061   // determine maximal number of setup entries that can be displayed on screen
8062   num_setup_info = 0;
8063   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
8064     num_setup_info++;
8065
8066   // determine maximal number of setup entries available for this setup screen
8067   max_setup_info = 0;
8068   for (i = 0; setup_info[i].type != 0; i++)
8069     max_setup_info++;
8070
8071   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
8072
8073   MapScreenGadgets(max_setup_info);
8074
8075   if (redraw_all)
8076     redraw_mask = fade_mask = REDRAW_ALL;
8077
8078   DrawMaskedBorder(fade_mask);
8079
8080   FadeIn(fade_mask);
8081 }
8082
8083 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
8084 {
8085   menu_info = setup_info;
8086
8087   HandleMenuScreen(mx, my, dx, dy, button,
8088                    setup_mode, num_setup_info, max_setup_info);
8089 }
8090
8091 static void DrawSetupScreen_Input(void)
8092 {
8093   int i;
8094
8095   FadeOut(REDRAW_FIELD);
8096
8097   ClearField();
8098
8099   setup_info = getSetupInfoFinal(setup_info_input);
8100
8101   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
8102
8103   for (i = 0; setup_info[i].type != 0; i++)
8104   {
8105     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
8106       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
8107     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
8108       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
8109     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
8110       initCursor(i, IMG_MENU_BUTTON);
8111
8112     DrawCursorAndText_Setup(i, -1, FALSE);
8113   }
8114
8115   // create gadgets for setup input menu screen
8116   FreeScreenGadgets();
8117   CreateScreenGadgets();
8118
8119   // map gadgets for setup input menu screen
8120   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
8121
8122   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
8123
8124   FadeIn(REDRAW_FIELD);
8125 }
8126
8127 static void setJoystickDeviceToNr(char *device_name, int device_nr)
8128 {
8129   if (device_name == NULL)
8130     return;
8131
8132   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
8133     device_nr = 0;
8134
8135   if (strlen(device_name) > 1)
8136   {
8137     char c1 = device_name[strlen(device_name) - 1];
8138     char c2 = device_name[strlen(device_name) - 2];
8139
8140     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
8141       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
8142   }
8143   else
8144     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
8145             strlen(device_name));
8146 }
8147
8148 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
8149 {
8150   int i;
8151   static struct SetupKeyboardInfo custom_key;
8152   static struct
8153   {
8154     Key *key;
8155     char *text;
8156   } custom[] =
8157   {
8158     { &custom_key.left,  "Axis/Pad Left"  },
8159     { &custom_key.right, "Axis/Pad Right" },
8160     { &custom_key.up,    "Axis/Pad Up"    },
8161     { &custom_key.down,  "Axis/Pad Down"  },
8162     { &custom_key.snap,  "Button 1/A/X"   },
8163     { &custom_key.drop,  "Button 2/B/Y"   }
8164   };
8165   static char *joystick_name[MAX_PLAYERS] =
8166   {
8167     "Joystick1",
8168     "Joystick2",
8169     "Joystick3",
8170     "Joystick4"
8171   };
8172   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
8173   int font_nr_info = FONT_MENU_1;
8174   int font_nr_name = FONT_VALUE_OLD;
8175   int font_nr_on   = FONT_VALUE_1;
8176   int font_nr_off  = FONT_VALUE_OLD;
8177   int pos = 4;
8178
8179   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8180   {
8181     font_nr_info = FONT_MENU_2;
8182     font_nr_on   = FONT_VALUE_NARROW;
8183     font_nr_off  = FONT_VALUE_OLD_NARROW;
8184   }
8185
8186   custom_key = setup.input[player_nr].key;
8187
8188   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
8189            FONT_INPUT_1_ACTIVE);
8190
8191   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8192                              TILEX, TILEY);
8193   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8194                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8195
8196   if (setup.input[player_nr].use_joystick)
8197   {
8198     char *device_name = setup.input[player_nr].joy.device_name;
8199     int joystick_nr = getJoystickNrFromDeviceName(device_name);
8200     boolean joystick_active = CheckJoystickOpened(joystick_nr);
8201     char *text = joystick_name[joystick_nr];
8202     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
8203
8204     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
8205     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
8206   }
8207   else
8208   {
8209     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
8210     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
8211   }
8212
8213   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
8214     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
8215   else
8216     pos = 3;
8217
8218   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
8219   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
8220   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
8221   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
8222
8223   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
8224   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
8225   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
8226   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
8227   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
8228   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
8229
8230   for (i = 0; i < 6; i++)
8231   {
8232     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
8233
8234     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8235              "              ", font_nr_on);
8236     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8237              (setup.input[player_nr].use_joystick ?
8238               custom[i].text :
8239               getKeyNameFromKey(*custom[i].key)), font_nr_on);
8240   }
8241 }
8242
8243 static int input_player_nr = 0;
8244
8245 static void HandleSetupScreen_Input_Player(int step, int direction)
8246 {
8247   int old_player_nr = input_player_nr;
8248   int new_player_nr;
8249
8250   new_player_nr = old_player_nr + step * direction;
8251   if (new_player_nr < 0)
8252     new_player_nr = 0;
8253   if (new_player_nr > MAX_PLAYERS - 1)
8254     new_player_nr = MAX_PLAYERS - 1;
8255
8256   if (new_player_nr != old_player_nr)
8257   {
8258     input_player_nr = new_player_nr;
8259
8260     drawPlayerSetupInputInfo(input_player_nr, FALSE);
8261   }
8262 }
8263
8264 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
8265 {
8266   static int choice = 0;
8267   int x = 0;
8268   int y = choice;
8269   int pos_start  = SETUPINPUT_SCREEN_POS_START;
8270   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
8271   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
8272   int pos_end    = SETUPINPUT_SCREEN_POS_END;
8273
8274   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
8275   {
8276     int i;
8277
8278     for (i = 0; setup_info_input[i].type != 0; i++)
8279     {
8280       // adjust menu structure according to skipped setup entries
8281       if (setup_info_input[i].type == TYPE_SKIPPABLE)
8282       {
8283         pos_empty2--;
8284         pos_end--;
8285       }
8286     }
8287   }
8288
8289   if (button == MB_MENU_INITIALIZE)
8290   {
8291     // input setup menu may have changed size due to graphics configuration
8292     if (choice >= pos_empty1)
8293       choice = pos_end;
8294
8295     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
8296
8297     DrawCursorAndText_Setup(choice, -1, TRUE);
8298
8299     return;
8300   }
8301   else if (button == MB_MENU_LEAVE)
8302   {
8303     setup_mode = SETUP_MODE_MAIN;
8304     DrawSetupScreen();
8305     InitJoysticks();
8306
8307     return;
8308   }
8309
8310   if (mx || my)         // mouse input
8311   {
8312     x = (mx - mSX) / 32;
8313     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
8314   }
8315   else if (dx || dy)    // keyboard input
8316   {
8317     if (dx && choice == 0)
8318       x = (dx < 0 ? 10 : 12);
8319     else if ((dx && choice == 1) ||
8320              (dx == -1 && choice == pos_end))
8321       button = MB_MENU_CHOICE;
8322     else if (dy)
8323       y = choice + dy;
8324
8325     if (y >= pos_empty1 && y <= pos_empty2)
8326       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8327   }
8328
8329   if (y == 0 && dx != 0 && button)
8330   {
8331     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8332   }
8333   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8334            y >= pos_start && y <= pos_end &&
8335            !(y >= pos_empty1 && y <= pos_empty2))
8336   {
8337     if (button)
8338     {
8339       if (y != choice)
8340       {
8341         DrawCursorAndText_Setup(choice, -1, FALSE);
8342         DrawCursorAndText_Setup(y, -1, TRUE);
8343
8344         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8345
8346         choice = y;
8347       }
8348     }
8349     else
8350     {
8351       if (y == 1)
8352       {
8353         char *device_name = setup.input[input_player_nr].joy.device_name;
8354
8355         if (!setup.input[input_player_nr].use_joystick)
8356         {
8357           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8358
8359           setJoystickDeviceToNr(device_name, new_device_nr);
8360           setup.input[input_player_nr].use_joystick = TRUE;
8361         }
8362         else
8363         {
8364           int device_nr = getJoystickNrFromDeviceName(device_name);
8365           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8366
8367           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8368             setup.input[input_player_nr].use_joystick = FALSE;
8369           else
8370             setJoystickDeviceToNr(device_name, new_device_nr);
8371         }
8372
8373         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8374       }
8375       else if (y == 2)
8376       {
8377         if (setup.input[input_player_nr].use_joystick)
8378           ConfigureJoystick(input_player_nr);
8379         else
8380           CustomizeKeyboard(input_player_nr);
8381       }
8382       else if (y == pos_end)
8383       {
8384         InitJoysticks();
8385
8386         FadeSetLeaveMenu();
8387
8388         setup_mode = SETUP_MODE_MAIN;
8389         DrawSetupScreen();
8390       }
8391     }
8392   }
8393 }
8394
8395 static boolean CustomizeKeyboardMain(int player_nr)
8396 {
8397   int i;
8398   int step_nr;
8399   boolean finished = FALSE;
8400   static struct SetupKeyboardInfo custom_key;
8401   static struct
8402   {
8403     Key *key;
8404     char *text;
8405   } customize_step[] =
8406   {
8407     { &custom_key.left,  "Move Left"    },
8408     { &custom_key.right, "Move Right"   },
8409     { &custom_key.up,    "Move Up"      },
8410     { &custom_key.down,  "Move Down"    },
8411     { &custom_key.snap,  "Snap Field"   },
8412     { &custom_key.drop,  "Drop Element" }
8413   };
8414   int font_nr_old = FONT_VALUE_OLD;
8415   int font_nr_new = FONT_VALUE_1;
8416   boolean success = FALSE;
8417
8418   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8419   {
8420     font_nr_old = FONT_VALUE_OLD_NARROW;
8421     font_nr_new = FONT_VALUE_NARROW;
8422   }
8423
8424   // read existing key bindings from player setup
8425   custom_key = setup.input[player_nr].key;
8426
8427   FadeSetEnterMenu();
8428   FadeOut(REDRAW_FIELD);
8429
8430   ClearField();
8431
8432   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8433
8434   step_nr = 0;
8435   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8436            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8437   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8438            "Key:", FONT_INPUT_1_ACTIVE);
8439   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8440            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8441
8442   FadeIn(REDRAW_FIELD);
8443
8444   while (!finished)
8445   {
8446     Event event;
8447     DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8448
8449     // reset frame delay counter directly after updating screen
8450     ResetDelayCounter(&event_frame_delay);
8451
8452     while (NextValidEvent(&event))
8453     {
8454       switch (event.type)
8455       {
8456         case EVENT_KEYPRESS:
8457           {
8458             Key key = GetEventKey((KeyEvent *)&event);
8459
8460             // press 'Escape' to abort and keep the old key bindings
8461             if (key == KSYM_Escape)
8462             {
8463               FadeSkipNextFadeIn();
8464
8465               finished = TRUE;
8466
8467               break;
8468             }
8469
8470             // press 'Enter' to keep the existing key binding
8471             if (key == KSYM_Return)
8472               key = *customize_step[step_nr].key;
8473
8474             // check if key already used
8475             for (i = 0; i < step_nr; i++)
8476               if (*customize_step[i].key == key)
8477                 break;
8478             if (i < step_nr)
8479               break;
8480
8481             // got new key binding
8482             *customize_step[step_nr].key = key;
8483             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8484                      "             ", font_nr_new);
8485             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8486                      getKeyNameFromKey(key), font_nr_new);
8487             step_nr++;
8488
8489             // un-highlight last query
8490             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8491                      customize_step[step_nr - 1].text, FONT_MENU_1);
8492             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8493                      "Key:", FONT_MENU_1);
8494
8495             // all keys configured
8496             if (step_nr == 6)
8497             {
8498               finished = TRUE;
8499               success = TRUE;
8500
8501               break;
8502             }
8503
8504             // query next key binding
8505             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8506                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8507             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8508                      "Key:", FONT_INPUT_1_ACTIVE);
8509             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8510                      getKeyNameFromKey(*customize_step[step_nr].key),
8511                      font_nr_old);
8512           }
8513           break;
8514
8515         case EVENT_KEYRELEASE:
8516           key_joystick_mapping = 0;
8517           break;
8518
8519         default:
8520           HandleOtherEvents(&event);
8521           break;
8522       }
8523
8524       // do not handle events for longer than standard frame delay period
8525       if (DelayReached(&event_frame_delay))
8526         break;
8527     }
8528
8529     BackToFront();
8530   }
8531
8532   // write new key bindings back to player setup, if successfully finished
8533   if (success)
8534     setup.input[player_nr].key = custom_key;
8535
8536   return success;
8537 }
8538
8539 void CustomizeKeyboard(int player_nr)
8540 {
8541   boolean success = CustomizeKeyboardMain(player_nr);
8542
8543   if (success)
8544   {
8545     int font_nr = FONT_TITLE_1;
8546     int font_height = getFontHeight(font_nr);
8547     int ypos1 = SYSIZE / 2 - font_height * 2;
8548     int ypos2 = SYSIZE / 2 - font_height * 1;
8549     DelayCounter wait_frame_delay = { 2000 };
8550
8551     ResetDelayCounter(&wait_frame_delay);
8552
8553     ClearField();
8554
8555     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8556     DrawTextSCentered(ypos2, font_nr, "configured!");
8557
8558     while (!DelayReached(&wait_frame_delay))
8559       BackToFront();
8560
8561     ClearEventQueue();
8562   }
8563
8564   DrawSetupScreen_Input();
8565 }
8566
8567 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8568
8569 #define MARKER_BUTTON           1
8570 #define MARKER_AXIS_X           2
8571 #define MARKER_AXIS_Y           3
8572
8573 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8574 {
8575   static boolean bitmaps_initialized = FALSE;
8576   boolean screen_initialized = FALSE;
8577   static Bitmap *controller, *button, *axis_x, *axis_y;
8578   char *name;
8579   boolean success = TRUE;
8580   boolean done = FALSE, next = FALSE;
8581   Event event;
8582   int alpha = 200, alpha_step = -1;
8583   int alpha_ticks = 0;
8584   char mapping[4096], temp[256];
8585   int font_name = MENU_SETUP_FONT_TITLE;
8586   int font_info = MENU_SETUP_FONT_TEXT;
8587   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8588   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8589   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8590   int ystep_name = getMenuTextStep(spacing_name, font_name);
8591   int ystep_line = getMenuTextStep(spacing_line, font_info);
8592   int ystep_para = getMenuTextStep(spacing_para, font_info);
8593   int i, j;
8594
8595   struct
8596   {
8597     int x, y;
8598     int marker;
8599     char *field;
8600     int axis, button, hat, hat_value;
8601     char mapping[4096];
8602   }
8603   *step, *prev_step, steps[] =
8604   {
8605     { 356, 155, MARKER_BUTTON, "a",             },
8606     { 396, 122, MARKER_BUTTON, "b",             },
8607     { 320, 125, MARKER_BUTTON, "x",             },
8608     { 358,  95, MARKER_BUTTON, "y",             },
8609     { 162, 125, MARKER_BUTTON, "back",          },
8610     { 216, 125, MARKER_BUTTON, "guide",         },
8611     { 271, 125, MARKER_BUTTON, "start",         },
8612     { 110, 200, MARKER_BUTTON, "dpleft",        },
8613     { 146, 228, MARKER_BUTTON, "dpdown",        },
8614     { 178, 200, MARKER_BUTTON, "dpright",       },
8615     { 146, 172, MARKER_BUTTON, "dpup",          },
8616     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8617     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8618     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8619     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8620     {  73, 141, MARKER_BUTTON, "leftstick",     },
8621     { 282, 210, MARKER_BUTTON, "rightstick",    },
8622     {  73, 141, MARKER_AXIS_X, "leftx",         },
8623     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8624     { 282, 210, MARKER_AXIS_X, "rightx",        },
8625     { 282, 210, MARKER_AXIS_Y, "righty",        },
8626   };
8627
8628   if (!bitmaps_initialized)
8629   {
8630     controller = LoadCustomImage("joystick/controller.png");
8631     button     = LoadCustomImage("joystick/button.png");
8632     axis_x     = LoadCustomImage("joystick/axis_x.png");
8633     axis_y     = LoadCustomImage("joystick/axis_y.png");
8634
8635     bitmaps_initialized = TRUE;
8636   }
8637
8638   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8639
8640 #if DEBUG_JOYSTICKS
8641   // print info about the joystick we are watching
8642   Debug("joystick", "watching joystick %d: (%s)",
8643         SDL_JoystickInstanceID(joystick), name);
8644   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8645         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8646         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8647 #endif
8648
8649   // initialize mapping with GUID and name
8650   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8651
8652   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8653            temp, name, SDL_GetPlatform());
8654
8655   // loop through all steps (buttons and axes), getting joystick events
8656   for (i = 0; i < SDL_arraysize(steps) && !done;)
8657   {
8658     Bitmap *marker = button;    // initialize with reliable default value
8659
8660     step = &steps[i];
8661     strcpy(step->mapping, mapping);
8662     step->axis = -1;
8663     step->button = -1;
8664     step->hat = -1;
8665     step->hat_value = -1;
8666
8667     marker = (step->marker == MARKER_BUTTON ? button :
8668               step->marker == MARKER_AXIS_X ? axis_x :
8669               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8670
8671     next = FALSE;
8672
8673     while (!done && !next)
8674     {
8675       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8676       alpha_ticks = SDL_GetTicks();
8677
8678       if (alpha >= 255)
8679       {
8680         alpha = 255;
8681         alpha_step = -1;
8682       }
8683       else if (alpha < 128)
8684       {
8685         alpha = 127;
8686         alpha_step = 1;
8687       }
8688
8689       int controller_x = SX + (SXSIZE - controller->width) / 2;
8690       int controller_y = SY + ystep_line;
8691
8692       int marker_x = controller_x + step->x;
8693       int marker_y = controller_y + step->y;
8694
8695       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8696       int ystart2 = ystart1 + ystep_name + ystep_line;
8697
8698       ClearField();
8699
8700       DrawTextSCentered(ystart1, font_name, name);
8701
8702       DrawTextSCentered(ystart2, font_info,
8703                         "Press buttons and move axes on");
8704       ystart2 += ystep_line;
8705       DrawTextSCentered(ystart2, font_info,
8706                         "your controller when indicated.");
8707       ystart2 += ystep_line;
8708       DrawTextSCentered(ystart2, font_info,
8709                         "(Your controller may look different.)");
8710       ystart2 += ystep_para;
8711
8712 #if defined(PLATFORM_ANDROID)
8713       DrawTextSCentered(ystart2, font_info,
8714                         "To correct a mistake,");
8715       ystart2 += ystep_line;
8716       DrawTextSCentered(ystart2, font_info,
8717                         "press the 'back' button.");
8718       ystart2 += ystep_line;
8719       DrawTextSCentered(ystart2, font_info,
8720                         "To skip a button or axis,");
8721       ystart2 += ystep_line;
8722       DrawTextSCentered(ystart2, font_info,
8723                         "press the 'menu' button.");
8724 #else
8725       DrawTextSCentered(ystart2, font_info,
8726                         "To correct a mistake,");
8727       ystart2 += ystep_line;
8728       DrawTextSCentered(ystart2, font_info,
8729                         "press the 'backspace' key.");
8730       ystart2 += ystep_line;
8731       DrawTextSCentered(ystart2, font_info,
8732                         "To skip a button or axis,");
8733       ystart2 += ystep_line;
8734       DrawTextSCentered(ystart2, font_info,
8735                         "press the 'return' key.");
8736       ystart2 += ystep_line;
8737       DrawTextSCentered(ystart2, font_info,
8738                         "To exit, press the 'escape' key.");
8739 #endif
8740
8741       BlitBitmapMasked(controller, drawto, 0, 0,
8742                        controller->width, controller->height,
8743                        controller_x, controller_y);
8744
8745       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8746       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8747
8748       BlitBitmapMasked(marker, drawto, 0, 0,
8749                        marker->width, marker->height,
8750                        marker_x, marker_y);
8751
8752       if (!screen_initialized)
8753         FadeIn(REDRAW_FIELD);
8754       else
8755         BackToFront();
8756
8757       screen_initialized = TRUE;
8758
8759       DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8760
8761       // reset frame delay counter directly after updating screen
8762       ResetDelayCounter(&event_frame_delay);
8763
8764       while (NextValidEvent(&event))
8765       {
8766         switch (event.type)
8767         {
8768           case SDL_JOYAXISMOTION:
8769             if (event.jaxis.value > 20000 ||
8770                 event.jaxis.value < -20000)
8771             {
8772               for (j = 0; j < i; j++)
8773                 if (steps[j].axis == event.jaxis.axis)
8774                   break;
8775
8776               if (j == i)
8777               {
8778                 if (step->marker != MARKER_AXIS_X &&
8779                     step->marker != MARKER_AXIS_Y)
8780                   break;
8781
8782                 step->axis = event.jaxis.axis;
8783                 strcat(mapping, step->field);
8784                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8785                 strcat(mapping, temp);
8786                 i++;
8787                 next = TRUE;
8788               }
8789             }
8790
8791             break;
8792
8793           case SDL_JOYHATMOTION:
8794             // ignore centering; we're probably just coming back
8795             // to the center from the previous item we set
8796             if (event.jhat.value == SDL_HAT_CENTERED)
8797               break;
8798
8799             for (j = 0; j < i; j++)
8800               if (steps[j].hat == event.jhat.hat &&
8801                   steps[j].hat_value == event.jhat.value)
8802                 break;
8803
8804             if (j == i)
8805             {
8806               step->hat = event.jhat.hat;
8807               step->hat_value = event.jhat.value;
8808               strcat(mapping, step->field);
8809               snprintf(temp, sizeof(temp), ":h%u.%u,",
8810                        event.jhat.hat, event.jhat.value );
8811               strcat(mapping, temp);
8812               i++;
8813               next = TRUE;
8814             }
8815
8816             break;
8817
8818           case SDL_JOYBALLMOTION:
8819             break;
8820
8821           case SDL_JOYBUTTONUP:
8822             for (j = 0; j < i; j++)
8823               if (steps[j].button == event.jbutton.button)
8824                 break;
8825
8826             if (j == i)
8827             {
8828               step->button = event.jbutton.button;
8829               strcat(mapping, step->field);
8830               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8831               strcat(mapping, temp);
8832               i++;
8833               next = TRUE;
8834             }
8835
8836             break;
8837
8838           case SDL_FINGERDOWN:
8839           case SDL_MOUSEBUTTONDOWN:
8840             // skip this step
8841             i++;
8842             next = TRUE;
8843
8844             break;
8845
8846           case SDL_KEYDOWN:
8847             if (event.key.keysym.sym == KSYM_BackSpace ||
8848                 event.key.keysym.sym == KSYM_Back)
8849             {
8850               if (i == 0)
8851               {
8852                 // leave screen
8853                 success = FALSE;
8854                 done = TRUE;
8855
8856                 break;
8857               }
8858
8859               // undo this step
8860               prev_step = &steps[i - 1];
8861               strcpy(mapping, prev_step->mapping);
8862               i--;
8863               next = TRUE;
8864
8865               break;
8866             }
8867
8868             if (event.key.keysym.sym == KSYM_space ||
8869                 event.key.keysym.sym == KSYM_Return ||
8870                 event.key.keysym.sym == KSYM_Menu)
8871             {
8872               // skip this step
8873               i++;
8874               next = TRUE;
8875
8876               break;
8877             }
8878
8879             if (event.key.keysym.sym == KSYM_Escape)
8880             {
8881               // leave screen
8882               success = FALSE;
8883               done = TRUE;
8884             }
8885
8886             break;
8887
8888           case SDL_QUIT:
8889             program.exit_function(0);
8890             break;
8891
8892           default:
8893             break;
8894         }
8895
8896         // do not handle events for longer than standard frame delay period
8897         if (DelayReached(&event_frame_delay))
8898           break;
8899       }
8900     }
8901   }
8902
8903   if (success)
8904   {
8905 #if DEBUG_JOYSTICKS
8906     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8907 #endif
8908
8909     // activate mapping for this game
8910     SDL_GameControllerAddMapping(mapping);
8911
8912     // save mapping to personal mappings
8913     SaveSetup_AddGameControllerMapping(mapping);
8914   }
8915
8916   // wait until the last pending event was removed from event queue
8917   while (NextValidEvent(&event));
8918
8919   return success;
8920 }
8921
8922 static int ConfigureJoystickMain(int player_nr)
8923 {
8924   char *device_name = setup.input[player_nr].joy.device_name;
8925   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8926   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8927   int success = FALSE;
8928   int i;
8929
8930   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8931     return JOYSTICK_NOT_AVAILABLE;
8932
8933   if (!joystick_active || !setup.input[player_nr].use_joystick)
8934     return JOYSTICK_NOT_AVAILABLE;
8935
8936   FadeSetEnterMenu();
8937   FadeOut(REDRAW_FIELD);
8938
8939   // close all joystick devices (potentially opened as game controllers)
8940   for (i = 0; i < SDL_NumJoysticks(); i++)
8941     SDLCloseJoystick(i);
8942
8943   // open joystick device as plain joystick to configure as game controller
8944   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8945
8946   // as the joystick was successfully opened before, this should not happen
8947   if (joystick == NULL)
8948     return FALSE;
8949
8950   // create new game controller mapping (buttons and axes) for joystick device
8951   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8952
8953   // close joystick (and maybe re-open as configured game controller later)
8954   SDL_JoystickClose(joystick);
8955
8956   // re-open all joystick devices (potentially as game controllers)
8957   for (i = 0; i < SDL_NumJoysticks(); i++)
8958     SDLOpenJoystick(i);
8959
8960   // clear all joystick input actions for all joystick devices
8961   SDLClearJoystickState();
8962
8963   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8964 }
8965
8966 void ConfigureJoystick(int player_nr)
8967 {
8968   boolean state = ConfigureJoystickMain(player_nr);
8969
8970   if (state != JOYSTICK_NOT_CONFIGURED)
8971   {
8972     boolean success = (state == JOYSTICK_CONFIGURED);
8973     char message1[MAX_OUTPUT_LINESIZE + 1];
8974     char *message2 = (success ? "configured!" : "not available!");
8975     char *device_name = setup.input[player_nr].joy.device_name;
8976     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8977     int font_nr = FONT_TITLE_1;
8978     int font_height = getFontHeight(font_nr);
8979     int ypos1 = SYSIZE / 2 - font_height * 2;
8980     int ypos2 = SYSIZE / 2 - font_height * 1;
8981     DelayCounter wait_frame_delay = { 2000 };
8982
8983     ResetDelayCounter(&wait_frame_delay);
8984
8985     ClearField();
8986
8987     sprintf(message1, "Joystick %d", nr);
8988
8989     DrawTextSCentered(ypos1, font_nr, message1);
8990     DrawTextSCentered(ypos2, font_nr, message2);
8991
8992     while (!DelayReached(&wait_frame_delay))
8993       BackToFront();
8994
8995     ClearEventQueue();
8996   }
8997
8998   DrawSetupScreen_Input();
8999 }
9000
9001 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
9002 {
9003   if (y < video.screen_height / 3)
9004   {
9005     // remap touch gadgets to access upper part of the screen
9006     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9007     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9008   }
9009   else if (y > 2 * video.screen_height / 3)
9010   {
9011     // remap touch gadgets to access lower part of the screen
9012     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9013     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9014   }
9015 }
9016
9017 static boolean ConfigureVirtualButtonsMain(void)
9018 {
9019   static char *customize_step_text[] =
9020   {
9021     "Move Left",
9022     "Move Right",
9023     "Move Up",
9024     "Move Down",
9025     "Snap Field",
9026     "Drop Element"
9027   };
9028   char grid_button[] =
9029   {
9030     CHAR_GRID_BUTTON_LEFT,
9031     CHAR_GRID_BUTTON_RIGHT,
9032     CHAR_GRID_BUTTON_UP,
9033     CHAR_GRID_BUTTON_DOWN,
9034     CHAR_GRID_BUTTON_SNAP,
9035     CHAR_GRID_BUTTON_DROP
9036   };
9037   enum
9038   {
9039     ACTION_NONE,
9040     ACTION_ESCAPE,
9041     ACTION_BACK,
9042     ACTION_NEXT
9043   };
9044   int font_nr = FONT_INPUT_1_ACTIVE;
9045   int font_height = getFontHeight(font_nr);
9046   int ypos1 = SYSIZE / 2 - font_height * 2;
9047   int ypos2 = SYSIZE / 2 - font_height * 1;
9048   boolean success = FALSE;
9049   boolean finished = FALSE;
9050   int step_nr = 0;
9051   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
9052   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9053   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9054   boolean set_grid_button = FALSE;
9055   int nr = GRID_ACTIVE_NR();
9056   int x, y;
9057
9058   for (x = 0; x < MAX_GRID_XSIZE; x++)
9059     for (y = 0; y < MAX_GRID_YSIZE; y++)
9060       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
9061
9062   overlay.grid_button_highlight = grid_button[step_nr];
9063
9064   UnmapAllGadgets();
9065
9066   FadeSetEnterMenu();
9067   FadeOut(REDRAW_FIELD);
9068
9069   ClearField();
9070
9071   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9072   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9073   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9074
9075   FadeIn(REDRAW_FIELD);
9076
9077   SetOverlayShowGrid(TRUE);
9078
9079   // map gadgets for setup touch buttons menu screen
9080   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9081
9082   while (!finished)
9083   {
9084     Event event;
9085
9086     while (NextValidEvent(&event))
9087     {
9088       int action = ACTION_NONE;
9089
9090       // ---------- handle events and set the resulting action ----------
9091
9092       switch (event.type)
9093       {
9094         case EVENT_USER:
9095           {
9096             UserEvent *user = (UserEvent *)&event;
9097             int id = user->value1;
9098
9099             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
9100                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
9101                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
9102                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
9103                       ACTION_NONE);
9104           }
9105           break;
9106
9107         case EVENT_KEYPRESS:
9108           {
9109             Key key = GetEventKey((KeyEvent *)&event);
9110
9111             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
9112                       key == KSYM_BackSpace ||
9113                       key == KSYM_Back ?        ACTION_BACK :
9114                       key == KSYM_Return ||
9115                       key == KSYM_Menu ||
9116                       key == KSYM_space ?       ACTION_NEXT :
9117                       ACTION_NONE);
9118           }
9119           break;
9120
9121         case EVENT_KEYRELEASE:
9122           key_joystick_mapping = 0;
9123           break;
9124
9125         case EVENT_BUTTONPRESS:
9126         case EVENT_BUTTONRELEASE:
9127           {
9128             ButtonEvent *button = (ButtonEvent *)&event;
9129
9130             motion_status = FALSE;
9131
9132             if (button->type == EVENT_BUTTONPRESS)
9133               button_status = button->button;
9134             else
9135               button_status = MB_RELEASED;
9136
9137             if (HandleGadgets(button->x, button->y, button_status))
9138             {
9139               // do not handle this button event anymore
9140               break;
9141             }
9142
9143             button->x += video.screen_xoffset;
9144             button->y += video.screen_yoffset;
9145
9146             x = button->x * overlay.grid_xsize / video.screen_width;
9147             y = button->y * overlay.grid_ysize / video.screen_height;
9148
9149             if (button->type == EVENT_BUTTONPRESS)
9150             {
9151               grid_button_draw =
9152                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
9153                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
9154
9155               set_grid_button = TRUE;
9156             }
9157
9158             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
9159           }
9160           break;
9161
9162         case EVENT_MOTIONNOTIFY:
9163           {
9164             MotionEvent *motion = (MotionEvent *)&event;
9165
9166             motion_status = TRUE;
9167
9168             if (HandleGadgets(motion->x, motion->y, button_status))
9169             {
9170               // do not handle this button event anymore
9171               break;
9172             }
9173
9174             motion->x += video.screen_xoffset;
9175             motion->y += video.screen_yoffset;
9176
9177             x = motion->x * overlay.grid_xsize / video.screen_width;
9178             y = motion->y * overlay.grid_ysize / video.screen_height;
9179
9180             set_grid_button = TRUE;
9181
9182             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
9183           }
9184           break;
9185
9186         case SDL_WINDOWEVENT:
9187           HandleWindowEvent((WindowEvent *) &event);
9188
9189           // check if device has been rotated
9190           if (nr != GRID_ACTIVE_NR())
9191           {
9192             nr = GRID_ACTIVE_NR();
9193
9194             for (x = 0; x < MAX_GRID_XSIZE; x++)
9195               for (y = 0; y < MAX_GRID_YSIZE; y++)
9196                 grid_button_old[x][y] = grid_button_tmp[x][y] =
9197                   overlay.grid_button[x][y];
9198           }
9199
9200           break;
9201
9202         case SDL_APP_WILLENTERBACKGROUND:
9203         case SDL_APP_DIDENTERBACKGROUND:
9204         case SDL_APP_WILLENTERFOREGROUND:
9205         case SDL_APP_DIDENTERFOREGROUND:
9206           HandlePauseResumeEvent((PauseResumeEvent *) &event);
9207           break;
9208
9209         default:
9210           HandleOtherEvents(&event);
9211           break;
9212       }
9213
9214       // ---------- perform action set by handling events ----------
9215
9216       if (action == ACTION_ESCAPE)
9217       {
9218         // abort and restore the old key bindings
9219
9220         for (x = 0; x < MAX_GRID_XSIZE; x++)
9221           for (y = 0; y < MAX_GRID_YSIZE; y++)
9222             overlay.grid_button[x][y] = grid_button_old[x][y];
9223
9224         FadeSkipNextFadeIn();
9225
9226         finished = TRUE;
9227       }
9228       else if (action == ACTION_BACK)
9229       {
9230         // keep the configured key bindings and go to previous page
9231
9232         step_nr--;
9233
9234         if (step_nr < 0)
9235         {
9236           FadeSkipNextFadeIn();
9237
9238           finished = TRUE;
9239         }
9240       }
9241       else if (action == ACTION_NEXT)
9242       {
9243         // keep the configured key bindings and go to next page
9244
9245         step_nr++;
9246
9247         // all virtual buttons configured
9248         if (step_nr == 6)
9249         {
9250           finished = TRUE;
9251           success = TRUE;
9252         }
9253       }
9254
9255       if (action != ACTION_NONE && !finished)
9256       {
9257         for (x = 0; x < MAX_GRID_XSIZE; x++)
9258           for (y = 0; y < MAX_GRID_YSIZE; y++)
9259             grid_button_tmp[x][y] = overlay.grid_button[x][y];
9260
9261         overlay.grid_button_highlight = grid_button[step_nr];
9262
9263         // configure next virtual button
9264
9265         ClearField();
9266
9267         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9268         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9269         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9270       }
9271
9272       if (set_grid_button)
9273       {
9274         overlay.grid_button[x][y] =
9275           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
9276            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
9277            grid_button_tmp[x][y]);
9278
9279         set_grid_button = FALSE;
9280       }
9281     }
9282
9283     BackToFront();
9284   }
9285
9286   for (x = 0; x < MAX_GRID_XSIZE; x++)
9287     for (y = 0; y < MAX_GRID_YSIZE; y++)
9288       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9289
9290   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
9291
9292   SetOverlayShowGrid(FALSE);
9293
9294   return success;
9295 }
9296
9297 void ConfigureVirtualButtons(void)
9298 {
9299   boolean success = ConfigureVirtualButtonsMain();
9300
9301   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
9302                          SCREEN_MASK_TOUCH2);
9303
9304   if (success)
9305   {
9306     int font_nr = FONT_TITLE_1;
9307     int font_height = getFontHeight(font_nr);
9308     int ypos1 = SYSIZE / 2 - font_height * 2;
9309     int ypos2 = SYSIZE / 2 - font_height * 1;
9310     DelayCounter wait_frame_delay = { 2000 };
9311
9312     ResetDelayCounter(&wait_frame_delay);
9313
9314     ClearField();
9315
9316     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
9317     DrawTextSCentered(ypos2, font_nr, "configured!");
9318
9319     while (!DelayReached(&wait_frame_delay))
9320       BackToFront();
9321
9322     ClearEventQueue();
9323   }
9324 }
9325
9326 void DrawSetupScreen(void)
9327 {
9328   align_xoffset = 0;
9329   align_yoffset = 0;
9330
9331   if (setup_mode == SETUP_MODE_INPUT)
9332     DrawSetupScreen_Input();
9333   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9334     DrawChooseTree(&scores_type_current);
9335   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9336     DrawChooseTree(&game_speed_current);
9337   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9338     DrawChooseTree(&scroll_delay_current);
9339   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9340     DrawChooseTree(&snapshot_mode_current);
9341   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9342     DrawChooseTree(&window_size_current);
9343   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9344     DrawChooseTree(&scaling_type_current);
9345   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9346     DrawChooseTree(&rendering_mode_current);
9347   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9348     DrawChooseTree(&vsync_mode_current);
9349   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9350     DrawChooseTree(&artwork.gfx_current);
9351   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9352     DrawChooseTree(&artwork.snd_current);
9353   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9354     DrawChooseTree(&artwork.mus_current);
9355   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9356     DrawChooseTree(&volume_simple_current);
9357   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9358     DrawChooseTree(&volume_loops_current);
9359   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9360     DrawChooseTree(&volume_music_current);
9361   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9362     DrawChooseTree(&touch_control_current);
9363   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9364     DrawChooseTree(&move_distance_current);
9365   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9366     DrawChooseTree(&drop_distance_current);
9367   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9368     DrawChooseTree(&transparency_current);
9369   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9370     DrawChooseTree(&grid_size_current[0][0]);
9371   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9372     DrawChooseTree(&grid_size_current[0][1]);
9373   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9374     DrawChooseTree(&grid_size_current[1][0]);
9375   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9376     DrawChooseTree(&grid_size_current[1][1]);
9377   else
9378     DrawSetupScreen_Generic();
9379
9380   PlayMenuSoundsAndMusic();
9381 }
9382
9383 void RedrawSetupScreenAfterFullscreenToggle(void)
9384 {
9385   if (setup_mode == SETUP_MODE_GRAPHICS ||
9386       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9387   {
9388     // update list selection from "setup.window_scaling_percent"
9389     execSetupGraphics_setWindowSizes(TRUE);
9390
9391     DrawSetupScreen();
9392   }
9393 }
9394
9395 void RedrawSetupScreenAfterScreenRotation(int nr)
9396 {
9397   int x, y;
9398
9399   if (setup_mode == SETUP_MODE_TOUCH)
9400   {
9401     // update virtual button settings (depending on screen orientation)
9402     DrawSetupScreen();
9403   }
9404   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9405   {
9406     // save already configured virtual buttons
9407     for (x = 0; x < MAX_GRID_XSIZE; x++)
9408       for (y = 0; y < MAX_GRID_YSIZE; y++)
9409         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9410   }
9411 }
9412
9413 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9414 {
9415   if (setup_mode == SETUP_MODE_INPUT)
9416     HandleSetupScreen_Input(mx, my, dx, dy, button);
9417   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9418     HandleChooseTree(mx, my, dx, dy, button, &scores_type_current);
9419   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9420     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9421   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9422     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9423   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9424     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9425   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9426     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9427   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9428     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9429   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9430     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9431   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9432     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9433   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9434     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9435   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9436     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9437   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9438     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9439   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9440     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9441   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9442     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9443   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9444     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9445   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9446     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9447   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9448     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9449   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9450     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9451   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9452     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9453   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9454     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9455   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9456     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9457   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9458     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9459   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9460     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9461   else
9462     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9463 }
9464
9465 void HandleGameActions(void)
9466 {
9467   if (setup.ask_on_game_over)
9468     CheckGameOver();
9469
9470   if (game.restart_game_message != NULL)
9471   {
9472     RequestRestartGame(game.restart_game_message);
9473
9474     return;
9475   }
9476
9477   if (game_status != GAME_MODE_PLAYING)
9478     return;
9479
9480   GameActions();                // main game loop
9481
9482   if (tape.auto_play && !tape.playing)
9483     AutoPlayTapesContinue();    // continue automatically playing next tape
9484 }
9485
9486
9487 // ---------- new screen button stuff --------------------------------------
9488
9489 static struct
9490 {
9491   int gfx_unpressed, gfx_pressed;
9492   struct MenuPosInfo *pos;
9493   boolean *check_value;
9494   int gadget_id;
9495   int screen_mask;
9496   unsigned int event_mask;
9497   boolean is_touch_button;
9498   char *infotext;
9499 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9500 {
9501   {
9502     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9503     &menu.main.button.prev_level, NULL,
9504     SCREEN_CTRL_ID_PREV_LEVEL,
9505     SCREEN_MASK_MAIN,
9506     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9507     FALSE, "previous level"
9508   },
9509   {
9510     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9511     &menu.main.button.next_level, NULL,
9512     SCREEN_CTRL_ID_NEXT_LEVEL,
9513     SCREEN_MASK_MAIN,
9514     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9515     FALSE, "next level"
9516   },
9517   {
9518     IMG_MENU_BUTTON_PREV_LEVEL2, IMG_MENU_BUTTON_PREV_LEVEL2_ACTIVE,
9519     &menu.scores.button.prev_level, NULL,
9520     SCREEN_CTRL_ID_PREV_LEVEL2,
9521     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9522     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9523     FALSE, "previous level"
9524   },
9525   {
9526     IMG_MENU_BUTTON_NEXT_LEVEL2, IMG_MENU_BUTTON_NEXT_LEVEL2_ACTIVE,
9527     &menu.scores.button.next_level, NULL,
9528     SCREEN_CTRL_ID_NEXT_LEVEL2,
9529     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9530     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9531     FALSE, "next level"
9532   },
9533   {
9534     IMG_MENU_BUTTON_PREV_SCORE, IMG_MENU_BUTTON_PREV_SCORE_ACTIVE,
9535     &menu.scores.button.prev_score, NULL,
9536     SCREEN_CTRL_ID_PREV_SCORE,
9537     SCREEN_MASK_SCORES_INFO,
9538     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9539     FALSE, "previous score"
9540   },
9541   {
9542     IMG_MENU_BUTTON_NEXT_SCORE, IMG_MENU_BUTTON_NEXT_SCORE_ACTIVE,
9543     &menu.scores.button.next_score, NULL,
9544     SCREEN_CTRL_ID_NEXT_SCORE,
9545     SCREEN_MASK_SCORES_INFO,
9546     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9547     FALSE, "next score"
9548   },
9549   {
9550     IMG_MENU_BUTTON_PLAY_TAPE, IMG_MENU_BUTTON_PLAY_TAPE,
9551     &menu.scores.button.play_tape, NULL,
9552     SCREEN_CTRL_ID_PLAY_TAPE,
9553     SCREEN_MASK_SCORES_INFO,
9554     GD_EVENT_RELEASED,
9555     FALSE, "play tape"
9556   },
9557   {
9558     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9559     &menu.main.button.first_level, NULL,
9560     SCREEN_CTRL_ID_FIRST_LEVEL,
9561     SCREEN_MASK_MAIN,
9562     GD_EVENT_RELEASED,
9563     FALSE, "first level"
9564   },
9565   {
9566     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9567     &menu.main.button.last_level, NULL,
9568     SCREEN_CTRL_ID_LAST_LEVEL,
9569     SCREEN_MASK_MAIN,
9570     GD_EVENT_RELEASED,
9571     FALSE, "last level"
9572   },
9573   {
9574     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9575     &menu.main.button.level_number, NULL,
9576     SCREEN_CTRL_ID_LEVEL_NUMBER,
9577     SCREEN_MASK_MAIN,
9578     GD_EVENT_RELEASED,
9579     FALSE, "level number"
9580   },
9581   {
9582     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9583     &menu.setup.button.prev_player, NULL,
9584     SCREEN_CTRL_ID_PREV_PLAYER,
9585     SCREEN_MASK_INPUT,
9586     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9587     FALSE, "previous player"
9588   },
9589   {
9590     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9591     &menu.setup.button.next_player, NULL,
9592     SCREEN_CTRL_ID_NEXT_PLAYER,
9593     SCREEN_MASK_INPUT,
9594     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9595     FALSE, "next player"
9596   },
9597   {
9598     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9599     &menu.main.button.insert_solution, NULL,
9600     SCREEN_CTRL_ID_INSERT_SOLUTION,
9601     SCREEN_MASK_MAIN_HAS_SOLUTION,
9602     GD_EVENT_RELEASED,
9603     FALSE, "insert solution tape"
9604   },
9605   {
9606     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9607     &menu.main.button.play_solution, NULL,
9608     SCREEN_CTRL_ID_PLAY_SOLUTION,
9609     SCREEN_MASK_MAIN_HAS_SOLUTION,
9610     GD_EVENT_RELEASED,
9611     FALSE, "play solution tape"
9612   },
9613   {
9614     IMG_MENU_BUTTON_LEVELSET_INFO, IMG_MENU_BUTTON_LEVELSET_INFO_ACTIVE,
9615     &menu.main.button.levelset_info, NULL,
9616     SCREEN_CTRL_ID_LEVELSET_INFO,
9617     SCREEN_MASK_MAIN_HAS_SET_INFO,
9618     GD_EVENT_RELEASED,
9619     FALSE, "show level set info"
9620   },
9621   {
9622     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9623     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9624     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9625     SCREEN_MASK_MAIN,
9626     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9627     FALSE, "switch ECS/AGA chipset"
9628   },
9629   {
9630     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9631     &menu.setup.button.touch_back, NULL,
9632     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9633     SCREEN_MASK_TOUCH,
9634     GD_EVENT_RELEASED,
9635     TRUE, "previous page"
9636   },
9637   {
9638     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9639     &menu.setup.button.touch_next, NULL,
9640     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9641     SCREEN_MASK_TOUCH,
9642     GD_EVENT_RELEASED,
9643     TRUE, "next page"
9644   },
9645   {
9646     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9647     &menu.setup.button.touch_back2, NULL,
9648     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9649     SCREEN_MASK_TOUCH2,
9650     GD_EVENT_RELEASED,
9651     TRUE, "previous page"
9652   },
9653   {
9654     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9655     &menu.setup.button.touch_next2, NULL,
9656     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9657     SCREEN_MASK_TOUCH2,
9658     GD_EVENT_RELEASED,
9659     TRUE, "next page"
9660   },
9661 };
9662
9663 static struct
9664 {
9665   int gfx_unpressed, gfx_pressed;
9666   int x, y;
9667   int gadget_id;
9668   char *infotext;
9669 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9670 {
9671   {
9672     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9673     -1, -1,     // these values are not constant, but can change at runtime
9674     SCREEN_CTRL_ID_SCROLL_UP,
9675     "scroll up"
9676   },
9677   {
9678     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9679     -1, -1,     // these values are not constant, but can change at runtime
9680     SCREEN_CTRL_ID_SCROLL_DOWN,
9681     "scroll down"
9682   }
9683 };
9684
9685 static struct
9686 {
9687   int gfx_unpressed, gfx_pressed;
9688   int x, y;
9689   int width, height;
9690   int type;
9691   int gadget_id;
9692   char *infotext;
9693 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9694 {
9695   {
9696     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9697     -1, -1,     // these values are not constant, but can change at runtime
9698     -1, -1,     // these values are not constant, but can change at runtime
9699     GD_TYPE_SCROLLBAR_VERTICAL,
9700     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9701     "scroll level series vertically"
9702   }
9703 };
9704
9705 static struct
9706 {
9707   int graphic;
9708   int gadget_id;
9709   int x, y;
9710   int size;
9711   char *value;
9712   char *infotext;
9713 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9714 {
9715   {
9716     IMG_SETUP_INPUT_TEXT,
9717     SCREEN_CTRL_ID_NETWORK_SERVER,
9718     -1, -1,     // these values are not constant, but can change at runtime
9719     MAX_SETUP_TEXT_INPUT_LEN,
9720     network_server_hostname,
9721     "Network Server Hostname / IP"
9722   },
9723 };
9724
9725 static void CreateScreenMenubuttons(void)
9726 {
9727   struct GadgetInfo *gi;
9728   unsigned int event_mask;
9729   int i;
9730
9731   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9732   {
9733     struct MenuPosInfo *pos = menubutton_info[i].pos;
9734     int screen_mask = menubutton_info[i].screen_mask;
9735     boolean is_touch_button = menubutton_info[i].is_touch_button;
9736     boolean is_check_button = menubutton_info[i].check_value != NULL;
9737     boolean is_score_button = (screen_mask & SCREEN_MASK_SCORES_INFO);
9738     boolean has_gfx_pressed = (menubutton_info[i].gfx_pressed ==
9739                                menubutton_info[i].gfx_unpressed);
9740     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9741     int gfx_unpressed, gfx_pressed;
9742     int x, y, width, height;
9743     int gd_x1, gd_x2, gd_y1, gd_y2;
9744     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9745     int id = menubutton_info[i].gadget_id;
9746     int type = GD_TYPE_NORMAL_BUTTON;
9747     boolean checked = FALSE;
9748
9749     // do not use touch buttons if overlay touch buttons are disabled
9750     if (is_touch_button && !setup.touch.overlay_buttons)
9751       continue;
9752
9753     event_mask = menubutton_info[i].event_mask;
9754
9755     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9756     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9757
9758     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9759     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9760
9761     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9762     gfx_pressed   = menubutton_info[i].gfx_pressed;
9763     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9764     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9765     gd_x1 = graphic_info[gfx_unpressed].src_x;
9766     gd_y1 = graphic_info[gfx_unpressed].src_y;
9767     gd_x2 = graphic_info[gfx_pressed].src_x;
9768     gd_y2 = graphic_info[gfx_pressed].src_y;
9769     gd_x1a = gd_x1;
9770     gd_y1a = gd_y1;
9771     gd_x2a = gd_x2;
9772     gd_y2a = gd_y2;
9773
9774     if (has_gfx_pressed)
9775     {
9776       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9777       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9778     }
9779
9780     if (is_check_button)
9781     {
9782       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9783       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9784       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9785       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9786
9787       type = GD_TYPE_CHECK_BUTTON;
9788       checked = *menubutton_info[i].check_value;
9789     }
9790
9791     if (is_score_button)
9792     {
9793       // if x/y set to -1, dynamically place buttons next to title text
9794       int title_width = getTextWidth(INFOTEXT_SCORE_ENTRY, FONT_TITLE_1);
9795
9796       // special compatibility handling for "Snake Bite" graphics set
9797       if (strPrefix(leveldir_current->identifier, "snake_bite"))
9798         title_width = strlen(INFOTEXT_SCORE_ENTRY) * 32;
9799
9800       // use "SX" here to center buttons (ignore horizontal draw offset)
9801       if (pos->x == -1)
9802         x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
9803              SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
9804              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
9805              SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
9806
9807       // use "mSY" here to place buttons (respect vertical draw offset)
9808       if (pos->y == -1)
9809         y = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ||
9810              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
9811     }
9812
9813     if (id == SCREEN_CTRL_ID_LEVELSET_INFO)
9814     {
9815       if (pos->x == -1 && pos->y == -1)
9816       {
9817         // use "SX" here to place button (ignore draw offsets)
9818         x = SX + SXSIZE - 2 * TILESIZE;
9819         y = SY + SYSIZE - 2 * TILESIZE;
9820
9821         // special compatibility handling for "BD2K3" graphics set
9822         if (strPrefix(leveldir_current->identifier, "BD2K3"))
9823           x = SX + TILESIZE + MINI_TILESIZE;
9824
9825         // special compatibility handling for "jue0" graphics set
9826         if (strPrefix(artwork.gfx_current_identifier, "jue0"))
9827         {
9828           x = SX + SXSIZE - 4 * TILESIZE;
9829           y = SY + SYSIZE - 3 * TILESIZE;
9830         }
9831       }
9832     }
9833
9834     gi = CreateGadget(GDI_CUSTOM_ID, id,
9835                       GDI_CUSTOM_TYPE_ID, i,
9836                       GDI_IMAGE_ID, gfx_unpressed,
9837                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9838                       GDI_X, x,
9839                       GDI_Y, y,
9840                       GDI_WIDTH, width,
9841                       GDI_HEIGHT, height,
9842                       GDI_TYPE, type,
9843                       GDI_STATE, GD_BUTTON_UNPRESSED,
9844                       GDI_CHECKED, checked,
9845                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9846                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9847                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9848                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9849                       GDI_DIRECT_DRAW, FALSE,
9850                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9851                       GDI_EVENT_MASK, event_mask,
9852                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9853                       GDI_END);
9854
9855     if (gi == NULL)
9856       Fail("cannot create gadget");
9857
9858     screen_gadget[id] = gi;
9859   }
9860 }
9861
9862 static void CreateScreenScrollbuttons(void)
9863 {
9864   struct GadgetInfo *gi;
9865   unsigned int event_mask;
9866   int i;
9867
9868   // these values are not constant, but can change at runtime
9869   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9870   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9871   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9872   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9873
9874   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9875   {
9876     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9877     int gfx_unpressed, gfx_pressed;
9878     int x, y, width, height;
9879     int gd_x1, gd_x2, gd_y1, gd_y2;
9880     int id = scrollbutton_info[i].gadget_id;
9881
9882     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9883
9884     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9885     y = mSY + scrollbutton_info[i].y;
9886     width = SC_SCROLLBUTTON_XSIZE;
9887     height = SC_SCROLLBUTTON_YSIZE;
9888
9889     // correct scrollbar position if placed outside menu (playfield) area
9890     if (x > SX + SC_SCROLL_UP_XPOS)
9891       x = SX + SC_SCROLL_UP_XPOS;
9892
9893     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9894       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9895                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9896
9897     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9898     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9899     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9900     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9901     gd_x1 = graphic_info[gfx_unpressed].src_x;
9902     gd_y1 = graphic_info[gfx_unpressed].src_y;
9903     gd_x2 = graphic_info[gfx_pressed].src_x;
9904     gd_y2 = graphic_info[gfx_pressed].src_y;
9905
9906     gi = CreateGadget(GDI_CUSTOM_ID, id,
9907                       GDI_CUSTOM_TYPE_ID, i,
9908                       GDI_IMAGE_ID, gfx_unpressed,
9909                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9910                       GDI_X, x,
9911                       GDI_Y, y,
9912                       GDI_WIDTH, width,
9913                       GDI_HEIGHT, height,
9914                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9915                       GDI_STATE, GD_BUTTON_UNPRESSED,
9916                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9917                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9918                       GDI_DIRECT_DRAW, FALSE,
9919                       GDI_EVENT_MASK, event_mask,
9920                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9921                       GDI_END);
9922
9923     if (gi == NULL)
9924       Fail("cannot create gadget");
9925
9926     screen_gadget[id] = gi;
9927   }
9928 }
9929
9930 static void CreateScreenScrollbars(void)
9931 {
9932   int i;
9933
9934   // these values are not constant, but can change at runtime
9935   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9936   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9937   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9938   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9939
9940   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9941   {
9942     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9943     int gfx_unpressed, gfx_pressed;
9944     int x, y, width, height;
9945     int gd_x1, gd_x2, gd_y1, gd_y2;
9946     struct GadgetInfo *gi;
9947     int items_max, items_visible, item_position;
9948     unsigned int event_mask;
9949     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9950     int id = scrollbar_info[i].gadget_id;
9951
9952     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9953
9954     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9955     y = mSY + scrollbar_info[i].y;
9956     width  = scrollbar_info[i].width;
9957     height = scrollbar_info[i].height;
9958
9959     // correct scrollbar position if placed outside menu (playfield) area
9960     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9961       x = SX + SC_SCROLL_VERTICAL_XPOS;
9962
9963     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9964       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9965
9966     items_max = num_page_entries;
9967     items_visible = num_page_entries;
9968     item_position = 0;
9969
9970     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9971     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9972     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9973     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9974     gd_x1 = graphic_info[gfx_unpressed].src_x;
9975     gd_y1 = graphic_info[gfx_unpressed].src_y;
9976     gd_x2 = graphic_info[gfx_pressed].src_x;
9977     gd_y2 = graphic_info[gfx_pressed].src_y;
9978
9979     gi = CreateGadget(GDI_CUSTOM_ID, id,
9980                       GDI_CUSTOM_TYPE_ID, i,
9981                       GDI_IMAGE_ID, gfx_unpressed,
9982                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9983                       GDI_X, x,
9984                       GDI_Y, y,
9985                       GDI_WIDTH, width,
9986                       GDI_HEIGHT, height,
9987                       GDI_TYPE, scrollbar_info[i].type,
9988                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9989                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9990                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9991                       GDI_WHEEL_AREA_X, SX,
9992                       GDI_WHEEL_AREA_Y, SY,
9993                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9994                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9995                       GDI_STATE, GD_BUTTON_UNPRESSED,
9996                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9997                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9998                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9999                       GDI_DIRECT_DRAW, FALSE,
10000                       GDI_EVENT_MASK, event_mask,
10001                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10002                       GDI_END);
10003
10004     if (gi == NULL)
10005       Fail("cannot create gadget");
10006
10007     screen_gadget[id] = gi;
10008   }
10009 }
10010
10011 static void CreateScreenTextInputGadgets(void)
10012 {
10013   int i;
10014
10015   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
10016   {
10017     int graphic = textinput_info[i].graphic;
10018     struct GraphicInfo *gd = &graphic_info[graphic];
10019     int gd_x1 = gd->src_x;
10020     int gd_y1 = gd->src_y;
10021     int gd_x2 = gd->src_x + gd->active_xoffset;
10022     int gd_y2 = gd->src_y + gd->active_yoffset;
10023     struct GadgetInfo *gi;
10024     unsigned int event_mask;
10025     int id = textinput_info[i].gadget_id;
10026     int x = textinput_info[i].x;
10027     int y = textinput_info[i].y;
10028
10029     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
10030
10031     gi = CreateGadget(GDI_CUSTOM_ID, id,
10032                       GDI_CUSTOM_TYPE_ID, i,
10033                       GDI_INFO_TEXT, textinput_info[i].infotext,
10034                       GDI_X, SX + x,
10035                       GDI_Y, SY + y,
10036                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
10037                       GDI_TEXT_VALUE, textinput_info[i].value,
10038                       GDI_TEXT_SIZE, textinput_info[i].size,
10039                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
10040                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
10041                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
10042                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
10043                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
10044                       GDI_DESIGN_WIDTH, gd->width,
10045                       GDI_EVENT_MASK, event_mask,
10046                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10047                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
10048                       GDI_END);
10049
10050     if (gi == NULL)
10051       Fail("cannot create gadget");
10052
10053     screen_gadget[id] = gi;
10054   }
10055 }
10056
10057 void CreateScreenGadgets(void)
10058 {
10059   CreateScreenMenubuttons();
10060
10061   CreateScreenScrollbuttons();
10062   CreateScreenScrollbars();
10063
10064   CreateScreenTextInputGadgets();
10065 }
10066
10067 void FreeScreenGadgets(void)
10068 {
10069   int i;
10070
10071   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
10072     FreeGadget(screen_gadget[i]);
10073 }
10074
10075 static void RedrawScreenMenuGadgets(int screen_mask)
10076 {
10077   int i;
10078
10079   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10080     if (screen_mask & menubutton_info[i].screen_mask)
10081       RedrawGadget(screen_gadget[menubutton_info[i].gadget_id]);
10082 }
10083
10084 static void MapScreenMenuGadgets(int screen_mask)
10085 {
10086   int i;
10087
10088   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10089     if (screen_mask & menubutton_info[i].screen_mask)
10090       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10091 }
10092
10093 static void UnmapScreenMenuGadgets(int screen_mask)
10094 {
10095   int i;
10096
10097   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10098   {
10099     if (screen_mask & menubutton_info[i].screen_mask)
10100     {
10101       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10102
10103       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
10104         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
10105                        screen_gadget[menubutton_info[i].gadget_id]->y,
10106                        screen_gadget[menubutton_info[i].gadget_id]->width,
10107                        screen_gadget[menubutton_info[i].gadget_id]->height);
10108     }
10109   }
10110 }
10111
10112 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
10113 {
10114   if (map_gadgets)
10115     MapScreenMenuGadgets(screen_mask);
10116   else
10117     UnmapScreenMenuGadgets(screen_mask);
10118 }
10119
10120 static void MapScreenGadgets(int num_entries)
10121 {
10122   int i;
10123
10124   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
10125     return;
10126
10127   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10128     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10129
10130   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10131     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10132 }
10133
10134 static void UnmapScreenGadgets()
10135 {
10136   int i;
10137
10138   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10139     UnmapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10140
10141   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10142     UnmapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10143 }
10144
10145 static void MapScreenTreeGadgets(TreeInfo *ti)
10146 {
10147   MapScreenGadgets(numTreeInfoInGroup(ti));
10148 }
10149
10150 static void UnmapScreenTreeGadgets(void)
10151 {
10152   UnmapScreenGadgets();
10153 }
10154
10155 static void AdjustScoreInfoButtons_SelectScore(int x, int y1, int y2)
10156 {
10157   struct GadgetInfo *gi_1 = screen_gadget[SCREEN_CTRL_ID_PREV_SCORE];
10158   struct GadgetInfo *gi_2 = screen_gadget[SCREEN_CTRL_ID_NEXT_SCORE];
10159   struct MenuPosInfo *pos_1 = menubutton_info[SCREEN_CTRL_ID_PREV_SCORE].pos;
10160   struct MenuPosInfo *pos_2 = menubutton_info[SCREEN_CTRL_ID_NEXT_SCORE].pos;
10161
10162   if (pos_1->x == -1 && pos_1->y == -1)
10163     ModifyGadget(gi_1, GDI_X, x, GDI_Y, y1, GDI_END);
10164
10165   if (pos_2->x == -1 && pos_2->y == -1)
10166     ModifyGadget(gi_2, GDI_X, x, GDI_Y, y2, GDI_END);
10167 }
10168
10169 static void AdjustScoreInfoButtons_PlayTape(int x, int y, boolean visible)
10170 {
10171   struct GadgetInfo *gi = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE];
10172   struct MenuPosInfo *pos = menubutton_info[SCREEN_CTRL_ID_PLAY_TAPE].pos;
10173
10174   // set gadget position dynamically, pre-defined or off-screen
10175   int xx = (visible ? (pos->x == -1 ? x : pos->x) : POS_OFFSCREEN);
10176   int yy = (visible ? (pos->y == -1 ? y : pos->y) : POS_OFFSCREEN);
10177
10178   ModifyGadget(gi, GDI_X, xx, GDI_Y, yy, GDI_END);
10179   MapGadget(gi);        // (needed if deactivated on last score page)
10180 }
10181
10182 static void HandleScreenGadgets(struct GadgetInfo *gi)
10183 {
10184   int id = gi->custom_id;
10185   int button = gi->event.button;
10186   int step = (button == MB_LEFTBUTTON   ? 1 :
10187               button == MB_MIDDLEBUTTON ? 5 :
10188               button == MB_RIGHTBUTTON  ? 10 : 1);
10189
10190   switch (id)
10191   {
10192     case SCREEN_CTRL_ID_PREV_LEVEL:
10193       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
10194       break;
10195
10196     case SCREEN_CTRL_ID_NEXT_LEVEL:
10197       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
10198       break;
10199
10200     case SCREEN_CTRL_ID_PREV_LEVEL2:
10201       HandleHallOfFame_SelectLevel(step, -1);
10202       break;
10203
10204     case SCREEN_CTRL_ID_NEXT_LEVEL2:
10205       HandleHallOfFame_SelectLevel(step, +1);
10206       break;
10207
10208     case SCREEN_CTRL_ID_PREV_SCORE:
10209       HandleScoreInfo_SelectScore(step, -1);
10210       break;
10211
10212     case SCREEN_CTRL_ID_NEXT_SCORE:
10213       HandleScoreInfo_SelectScore(step, +1);
10214       break;
10215
10216     case SCREEN_CTRL_ID_PLAY_TAPE:
10217       HandleScoreInfo_PlayTape();
10218       break;
10219
10220     case SCREEN_CTRL_ID_FIRST_LEVEL:
10221       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
10222       break;
10223
10224     case SCREEN_CTRL_ID_LAST_LEVEL:
10225       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
10226       break;
10227
10228     case SCREEN_CTRL_ID_LEVEL_NUMBER:
10229       CloseDoor(DOOR_CLOSE_2);
10230       SetGameStatus(GAME_MODE_LEVELNR);
10231       DrawChooseLevelNr();
10232       break;
10233
10234     case SCREEN_CTRL_ID_PREV_PLAYER:
10235       HandleSetupScreen_Input_Player(step, -1);
10236       break;
10237
10238     case SCREEN_CTRL_ID_NEXT_PLAYER:
10239       HandleSetupScreen_Input_Player(step, +1);
10240       break;
10241
10242     case SCREEN_CTRL_ID_INSERT_SOLUTION:
10243       InsertSolutionTape();
10244       break;
10245
10246     case SCREEN_CTRL_ID_PLAY_SOLUTION:
10247       PlaySolutionTape();
10248       break;
10249
10250     case SCREEN_CTRL_ID_LEVELSET_INFO:
10251       DrawInfoScreen_FromMainMenu(INFO_MODE_LEVELSET);
10252       break;
10253
10254     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
10255       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
10256       DrawMainMenu();
10257       break;
10258
10259     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
10260     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
10261     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
10262     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
10263       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
10264       break;
10265
10266     case SCREEN_CTRL_ID_SCROLL_UP:
10267       if (game_status == GAME_MODE_NAMES)
10268         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10269       else if (game_status == GAME_MODE_LEVELS)
10270         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10271       else if (game_status == GAME_MODE_LEVELNR)
10272         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10273       else if (game_status == GAME_MODE_SETUP)
10274         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10275       else if (game_status == GAME_MODE_INFO)
10276         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10277       else if (game_status == GAME_MODE_SCORES)
10278         HandleHallOfFame(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10279       break;
10280
10281     case SCREEN_CTRL_ID_SCROLL_DOWN:
10282       if (game_status == GAME_MODE_NAMES)
10283         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10284       else if (game_status == GAME_MODE_LEVELS)
10285         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10286       else if (game_status == GAME_MODE_LEVELNR)
10287         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10288       else if (game_status == GAME_MODE_SETUP)
10289         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10290       else if (game_status == GAME_MODE_INFO)
10291         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10292       else if (game_status == GAME_MODE_SCORES)
10293         HandleHallOfFame(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10294       break;
10295
10296     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
10297       if (game_status == GAME_MODE_NAMES)
10298         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10299       else if (game_status == GAME_MODE_LEVELS)
10300         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10301       else if (game_status == GAME_MODE_LEVELNR)
10302         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10303       else if (game_status == GAME_MODE_SETUP)
10304         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10305       else if (game_status == GAME_MODE_INFO)
10306         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10307       else if (game_status == GAME_MODE_SCORES)
10308         HandleHallOfFame(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10309       break;
10310
10311     case SCREEN_CTRL_ID_NETWORK_SERVER:
10312     {
10313       if (!strEqual(gi->textinput.value, ""))
10314       {
10315         setString(&setup.network_server_hostname, gi->textinput.value);
10316
10317         network.server_host = setup.network_server_hostname;
10318       }
10319       else
10320       {
10321         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
10322
10323         network.server_host = NULL;
10324       }
10325
10326       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
10327         network.server_host = NULL;
10328
10329       execSetupGame_setNetworkServerText();
10330
10331       DrawSetupScreen();
10332
10333       break;
10334     }
10335
10336     default:
10337       break;
10338   }
10339 }
10340
10341 void HandleScreenGadgetKeys(Key key)
10342 {
10343   if (key == setup.shortcut.tape_play)
10344     HandleScreenGadgets(screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]);
10345 }
10346
10347 void DumpScreenIdentifiers(void)
10348 {
10349   int i;
10350
10351   Print("Active screen elements on current screen:\n");
10352
10353   for (i = 0; main_controls[i].nr != -1; i++)
10354   {
10355     struct MainControlInfo *mci = &main_controls[i];
10356
10357     if (mci->button_graphic != -1)
10358     {
10359       char *token = getTokenFromImageID(mci->button_graphic);
10360
10361       Print("- '%s'\n", token);
10362     }
10363   }
10364
10365   Print("Done.\n");
10366 }
10367
10368 boolean DoScreenAction(int image_id)
10369 {
10370   int i;
10371
10372   if (game_status != GAME_MODE_MAIN)
10373     return FALSE;
10374
10375   for (i = 0; main_controls[i].nr != -1; i++)
10376   {
10377     struct MainControlInfo *mci = &main_controls[i];
10378     struct MenuPosInfo *pos = mci->pos_button;
10379
10380     if (mci->button_graphic == image_id)
10381     {
10382       int x = mSX + pos->x;
10383       int y = mSY + pos->y;
10384
10385       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
10386
10387       return TRUE;
10388     }
10389   }
10390
10391   return FALSE;
10392 }
10393
10394 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
10395 {
10396   // get tree info node of newly added level or artwork set
10397   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
10398   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
10399                                                       tree_subdir_new);
10400   if (tree_node_new == NULL)    // should not happen
10401     return;
10402
10403   // if request dialog is active, do nothing
10404   if (game.request_active)
10405     return;
10406
10407   if (game_status == GAME_MODE_MAIN &&
10408       tree_type == TREE_TYPE_LEVEL_DIR)
10409   {
10410     // when adding new level set in main menu, select it as current level set
10411
10412     // change current level set to newly added level set from zip file
10413     leveldir_current = tree_node_new;
10414
10415     // change current level number to first level of newly added level set
10416     level_nr = leveldir_current->first_level;
10417
10418     // redraw screen to reflect changed level set
10419     DrawMainMenu();
10420
10421     // save this level set and level number as last selected level set
10422     SaveLevelSetup_LastSeries();
10423     SaveLevelSetup_SeriesInfo();
10424   }
10425   else if (game_status == GAME_MODE_LEVELS &&
10426            tree_type == TREE_TYPE_LEVEL_DIR)
10427   {
10428     // when adding new level set in level set menu, set cursor and update screen
10429
10430     leveldir_current = tree_node_new;
10431
10432     DrawChooseTree(&leveldir_current);
10433   }
10434   else if (game_status == GAME_MODE_SETUP)
10435   {
10436     // when adding new artwork set in setup menu, set cursor and update screen
10437
10438     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
10439         tree_type == TREE_TYPE_GRAPHICS_DIR)
10440     {
10441       artwork.gfx_current = tree_node_new;
10442
10443       DrawChooseTree(&artwork.gfx_current);
10444     }
10445     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
10446              tree_type == TREE_TYPE_SOUNDS_DIR)
10447     {
10448       artwork.snd_current = tree_node_new;
10449
10450       DrawChooseTree(&artwork.snd_current);
10451     }
10452     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
10453              tree_type == TREE_TYPE_MUSIC_DIR)
10454     {
10455       artwork.mus_current = tree_node_new;
10456
10457       DrawChooseTree(&artwork.mus_current);
10458     }
10459   }
10460 }
10461
10462 static int UploadTapes(void)
10463 {
10464   SetGameStatus(GAME_MODE_LOADING);
10465
10466   FadeSetEnterScreen();
10467   FadeOut(REDRAW_ALL);
10468
10469   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
10470
10471   FadeIn(REDRAW_ALL);
10472
10473   DrawInitTextHead("Uploading tapes");
10474
10475   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
10476   global.autoplay_leveldir = "ALL";
10477   global.autoplay_all = TRUE;
10478
10479   int num_tapes_uploaded = AutoPlayTapes();
10480
10481   global.autoplay_mode = AUTOPLAY_MODE_NONE;
10482   global.autoplay_leveldir = NULL;
10483   global.autoplay_all = FALSE;
10484
10485   SetGameStatus(GAME_MODE_MAIN);
10486
10487   DrawMainMenu();
10488
10489   return num_tapes_uploaded;
10490 }
10491
10492 static boolean OfferUploadTapes(void)
10493 {
10494   if (!Request(setup.has_remaining_tapes ?
10495                "Upload missing tapes to the high score server now?" :
10496                "Upload all your tapes to the high score server now?", REQ_ASK))
10497     return FALSE;
10498
10499   // when uploading tapes, make sure that high score server is enabled
10500   runtime.use_api_server = setup.use_api_server = TRUE;
10501
10502   int num_tapes_uploaded = UploadTapes();
10503   char message[100];
10504
10505   if (num_tapes_uploaded < 0)
10506   {
10507     num_tapes_uploaded = -num_tapes_uploaded - 1;
10508
10509     if (num_tapes_uploaded == 0)
10510       sprintf(message, "Upload failed! No tapes uploaded!");
10511     else if (num_tapes_uploaded == 1)
10512       sprintf(message, "Upload failed! Only 1 tape uploaded!");
10513     else
10514       sprintf(message, "Upload failed! Only %d tapes uploaded!",
10515               num_tapes_uploaded);
10516
10517     Request(message, REQ_CONFIRM);
10518
10519     // if uploading tapes failed, add tape upload entry to setup menu
10520     setup.provide_uploading_tapes = TRUE;
10521     setup.has_remaining_tapes = TRUE;
10522
10523     SaveSetup_ServerSetup();
10524
10525     return FALSE;
10526   }
10527
10528   if (num_tapes_uploaded == 0)
10529     sprintf(message, "No tapes uploaded!");
10530   else if (num_tapes_uploaded == 1)
10531     sprintf(message, "1 tape uploaded!");
10532   else
10533     sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
10534
10535   Request(message, REQ_CONFIRM);
10536
10537   if (num_tapes_uploaded > 0)
10538     Request("New scores will be visible after a few minutes!", REQ_CONFIRM);
10539
10540   // after all tapes have been uploaded, remove entry from setup menu
10541   setup.provide_uploading_tapes = FALSE;
10542   setup.has_remaining_tapes = FALSE;
10543
10544   SaveSetup_ServerSetup();
10545
10546   return TRUE;
10547 }
10548
10549 static void CheckUploadTapes(void)
10550 {
10551   if (!setup.ask_for_uploading_tapes)
10552     return;
10553
10554   // after asking for uploading tapes, do not ask again
10555   setup.ask_for_uploading_tapes = FALSE;
10556   setup.ask_for_remaining_tapes = FALSE;
10557
10558   if (directoryExists(getTapeDir(NULL)))
10559   {
10560     boolean tapes_uploaded = OfferUploadTapes();
10561
10562     if (!tapes_uploaded)
10563     {
10564       Request(setup.has_remaining_tapes ?
10565               "You can upload missing tapes from the setup menu later!" :
10566               "You can upload your tapes from the setup menu later!",
10567               REQ_CONFIRM);
10568     }
10569   }
10570   else
10571   {
10572     // if tapes directory does not exist yet, never offer uploading all tapes
10573     setup.provide_uploading_tapes = FALSE;
10574   }
10575
10576   SaveSetup_ServerSetup();
10577 }
10578
10579 static void UpgradePlayerUUID(void)
10580 {
10581   ApiResetUUIDAsThread(getUUID());
10582 }
10583
10584 static void CheckUpgradePlayerUUID(void)
10585 {
10586   if (setup.player_version > 1)
10587     return;
10588
10589   UpgradePlayerUUID();
10590 }
10591
10592 void CheckApiServerTasks(void)
10593 {
10594   // check if the player's UUID has to be upgraded
10595   CheckUpgradePlayerUUID();
10596
10597   // check if there are any tapes to be uploaded
10598   CheckUploadTapes();
10599 }