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 //                  http://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 "cartoons.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26 /* screens on the info screen */
  27 #define INFO_MODE_MAIN                  0
  28 #define INFO_MODE_TITLE                 1
  29 #define INFO_MODE_ELEMENTS              2
  30 #define INFO_MODE_MUSIC                 3
  31 #define INFO_MODE_CREDITS               4
  32 #define INFO_MODE_PROGRAM               5
  33 #define INFO_MODE_VERSION               6
  34 #define INFO_MODE_LEVELSET              7
  35
  36 #define MAX_INFO_MODES                  8
  37
  38 /* screens on the setup screen */
  39 /* (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h) */
  40 /* (should also match corresponding entries in src/conf_gfx.c) */
  41 #define SETUP_MODE_MAIN                 0
  42 #define SETUP_MODE_GAME                 1
  43 #define SETUP_MODE_EDITOR               2
  44 #define SETUP_MODE_GRAPHICS             3
  45 #define SETUP_MODE_SOUND                4
  46 #define SETUP_MODE_ARTWORK              5
  47 #define SETUP_MODE_INPUT                6
  48 #define SETUP_MODE_TOUCH                7
  49 #define SETUP_MODE_SHORTCUTS            8
  50 #define SETUP_MODE_SHORTCUTS_1          9
  51 #define SETUP_MODE_SHORTCUTS_2          10
  52 #define SETUP_MODE_SHORTCUTS_3          11
  53 #define SETUP_MODE_SHORTCUTS_4          12
  54 #define SETUP_MODE_SHORTCUTS_5          13
  55
  56 /* sub-screens on the setup screen (generic) */
  57 #define SETUP_MODE_CHOOSE_ARTWORK       14
  58 #define SETUP_MODE_CHOOSE_OTHER         15
  59
  60 /* sub-screens on the setup screen (specific) */
  61 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  62 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  63 #define SETUP_MODE_CHOOSE_SCREEN_MODE   18
  64 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   19
  65 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
  66 #define SETUP_MODE_CHOOSE_GRAPHICS      21
  67 #define SETUP_MODE_CHOOSE_SOUNDS        22
  68 #define SETUP_MODE_CHOOSE_MUSIC         23
  69 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 24
  70 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  25
  71 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  26
  72 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 27
  73 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 28
  74 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 29
  75
  76 #define MAX_SETUP_MODES                 30
  77
  78 /* for input setup functions */
  79 #define SETUPINPUT_SCREEN_POS_START     0
  80 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  81 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  82 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  83
  84 /* for various menu stuff  */
  85 #define MENU_SCREEN_START_XPOS          1
  86 #define MENU_SCREEN_START_YPOS          2
  87 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
  88 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
  89 #define MENU_TITLE1_YPOS                8
  90 #define MENU_TITLE2_YPOS                46
  91 #define MENU_SCREEN_INFO_XSTART         16
  92 #define MENU_SCREEN_INFO_YSTART1        100
  93 #define MENU_SCREEN_INFO_YSTART2        128
  94 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
  95 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - 20)
  96 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
  97                                          MENU_SCREEN_INFO_YSTART2 -     \
  98                                          TILEY / 2)
  99 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 100 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MENU_SCREEN_INFO_YSIZE /    \
 101                                             MENU_SCREEN_INFO_YSTEP,     \
 102                                             MAX_INFO_ELEMENTS_ON_SCREEN)
 103 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 104 #define MAX_MENU_TEXT_LENGTH_BIG        13
 105 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 106
 107 /* buttons and scrollbars identifiers */
 108 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 109 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 110 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 111 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 112 #define SCREEN_CTRL_ID_SCROLL_UP        4
 113 #define SCREEN_CTRL_ID_SCROLL_DOWN      5
 114 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  6
 115
 116 #define NUM_SCREEN_GADGETS              7
 117
 118 #define NUM_SCREEN_MENUBUTTONS          4
 119 #define NUM_SCREEN_SCROLLBUTTONS        2
 120 #define NUM_SCREEN_SCROLLBARS           1
 121
 122 #define SCREEN_MASK_MAIN                (1 << 0)
 123 #define SCREEN_MASK_INPUT               (1 << 1)
 124
 125 /* graphic position and size values for buttons and scrollbars */
 126 #define SC_MENUBUTTON_XSIZE             TILEX
 127 #define SC_MENUBUTTON_YSIZE             TILEY
 128
 129 #define SC_SCROLLBUTTON_XSIZE           TILEX
 130 #define SC_SCROLLBUTTON_YSIZE           TILEY
 131
 132 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 133
 134 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 135 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 136                                          SC_SCROLLBUTTON_YSIZE)
 137
 138 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 139 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 140
 141 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 142 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 143                                          SC_SCROLLBUTTON_YSIZE)
 144
 145 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 146 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 147                                          SC_SCROLL_VERTICAL_YSIZE)
 148
 149 #define SC_BORDER_SIZE                  14
 150
 151
 152 /* forward declarations of internal functions */
 153 static void HandleScreenGadgets(struct GadgetInfo *);
 154 static void HandleSetupScreen_Generic(int, int, int, int, int);
 155 static void HandleSetupScreen_Input(int, int, int, int, int);
 156 static void CustomizeKeyboard(int);
 157 static void CalibrateJoystick(int);
 158 static void execSetupGame(void);
 159 static void execSetupGraphics(void);
 160 static void execSetupSound(void);
 161 static void execSetupTouch(void);
 162 static void execSetupArtwork(void);
 163 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 164
 165 static void DrawChooseLevelSet(void);
 166 static void DrawChooseLevelNr(void);
 167 static void DrawInfoScreen(void);
 168 static void DrawAndFadeInInfoScreen(int);
 169 static void DrawSetupScreen(void);
 170
 171 static void DrawInfoScreenExt(int, int);
 172 static void DrawInfoScreen_NotAvailable(char *, char *);
 173 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 174 static void DrawInfoScreen_HelpText(int, int, int, int);
 175 static void HandleInfoScreen_Main(int, int, int, int, int);
 176 static void HandleInfoScreen_TitleScreen(int);
 177 static void HandleInfoScreen_Elements(int);
 178 static void HandleInfoScreen_Music(int);
 179 static void HandleInfoScreen_Credits(int);
 180 static void HandleInfoScreen_Program(int);
 181 static void HandleInfoScreen_Version(int);
 182
 183 static void MapScreenMenuGadgets(int);
 184 static void MapScreenGadgets(int);
 185 static void MapScreenTreeGadgets(TreeInfo *);
 186
 187 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 188
 189 static int info_mode = INFO_MODE_MAIN;
 190 static int setup_mode = SETUP_MODE_MAIN;
 191
 192 static TreeInfo *screen_modes = NULL;
 193 static TreeInfo *screen_mode_current = NULL;
 194
 195 static TreeInfo *window_sizes = NULL;
 196 static TreeInfo *window_size_current = NULL;
 197
 198 static TreeInfo *scaling_types = NULL;
 199 static TreeInfo *scaling_type_current = NULL;
 200
 201 static TreeInfo *scroll_delays = NULL;
 202 static TreeInfo *scroll_delay_current = NULL;
 203
 204 static TreeInfo *game_speeds = NULL;
 205 static TreeInfo *game_speed_current = NULL;
 206
 207 static TreeInfo *volumes_simple = NULL;
 208 static TreeInfo *volume_simple_current = NULL;
 209
 210 static TreeInfo *volumes_loops = NULL;
 211 static TreeInfo *volume_loops_current = NULL;
 212
 213 static TreeInfo *volumes_music = NULL;
 214 static TreeInfo *volume_music_current = NULL;
 215
 216 static TreeInfo *touch_controls = NULL;
 217 static TreeInfo *touch_control_current = NULL;
 218
 219 static TreeInfo *move_distances = NULL;
 220 static TreeInfo *move_distance_current = NULL;
 221
 222 static TreeInfo *drop_distances = NULL;
 223 static TreeInfo *drop_distance_current = NULL;
 224
 225 static TreeInfo *level_number = NULL;
 226 static TreeInfo *level_number_current = NULL;
 227
 228 static struct
 229 {
 230   int value;
 231   char *text;
 232 } window_sizes_list[] =
 233 {
 234   {     50,     "50 %"                          },
 235   {     80,     "80 %"                          },
 236   {     90,     "90 %"                          },
 237   {     100,    "100 % (Default)"               },
 238   {     110,    "110 %"                         },
 239   {     120,    "120 %"                         },
 240   {     130,    "130 %"                         },
 241   {     140,    "140 %"                         },
 242   {     150,    "150 %"                         },
 243   {     200,    "200 %"                         },
 244   {     250,    "250 %"                         },
 245   {     300,    "300 %"                         },
 246
 247   {     -1,     NULL                            },
 248 };
 249
 250 static struct
 251 {
 252   char *value;
 253   char *text;
 254 } scaling_types_list[] =
 255 {
 256   {     SCALING_QUALITY_NEAREST, "None"         },
 257   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 258   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 259
 260   {     NULL,                    NULL           },
 261 };
 262
 263 static struct
 264 {
 265   int value;
 266   char *text;
 267 } game_speeds_list[] =
 268 {
 269 #if 1
 270   {     30,     "Very Slow"                     },
 271   {     25,     "Slow"                          },
 272   {     20,     "Normal"                        },
 273   {     15,     "Fast"                          },
 274   {     10,     "Very Fast"                     },
 275 #else
 276   {     1000,   "1/1s (Extremely Slow)"         },
 277   {     500,    "1/2s"                          },
 278   {     200,    "1/5s"                          },
 279   {     100,    "1/10s"                         },
 280   {     50,     "1/20s"                         },
 281   {     29,     "1/35s (Original Supaplex)"     },
 282   {     25,     "1/40s"                         },
 283   {     20,     "1/50s (Normal Speed)"          },
 284   {     14,     "1/70s (Maximum Supaplex)"      },
 285   {     10,     "1/100s"                        },
 286   {     5,      "1/200s"                        },
 287   {     2,      "1/500s"                        },
 288   {     1,      "1/1000s (Extremely Fast)"      },
 289 #endif
 290
 291   {     -1,     NULL                            },
 292 };
 293
 294 static struct
 295 {
 296   int value;
 297   char *text;
 298 } scroll_delays_list[] =
 299 {
 300   {     0,      "0 Tiles (No Scroll Delay)"     },
 301   {     1,      "1 Tile"                        },
 302   {     2,      "2 Tiles"                       },
 303   {     3,      "3 Tiles (Default)"             },
 304   {     4,      "4 Tiles"                       },
 305   {     5,      "5 Tiles"                       },
 306   {     6,      "6 Tiles"                       },
 307   {     7,      "7 Tiles"                       },
 308   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 309
 310   {     -1,     NULL                            },
 311 };
 312
 313 static struct
 314 {
 315   int value;
 316   char *text;
 317 } volumes_list[] =
 318 {
 319   {     0,      "0 %"                           },
 320   {     10,     "10 %"                          },
 321   {     20,     "20 %"                          },
 322   {     30,     "30 %"                          },
 323   {     40,     "40 %"                          },
 324   {     50,     "50 %"                          },
 325   {     60,     "60 %"                          },
 326   {     70,     "70 %"                          },
 327   {     80,     "80 %"                          },
 328   {     90,     "90 %"                          },
 329   {     100,    "100 %"                         },
 330
 331   {     -1,     NULL                            },
 332 };
 333
 334 static struct
 335 {
 336   char *value;
 337   char *text;
 338 } touch_controls_list[] =
 339 {
 340   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 341   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 342
 343   {     NULL,                           NULL                    },
 344 };
 345
 346 static struct
 347 {
 348   int value;
 349   char *text;
 350 } distances_list[] =
 351 {
 352   {     1,      "1 %"                           },
 353   {     2,      "2 %"                           },
 354   {     3,      "3 %"                           },
 355   {     4,      "4 %"                           },
 356   {     5,      "5 %"                           },
 357   {     10,     "10 %"                          },
 358   {     15,     "15 %"                          },
 359   {     20,     "20 %"                          },
 360   {     25,     "25 %"                          },
 361
 362   {     -1,     NULL                            },
 363 };
 364
 365 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 366                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 367                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 368                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 369
 370 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 371 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 372                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 373                                  INFO_MODE_MAIN)
 374
 375 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 376                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 377                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 378                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 379                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 380                                  SETUP_MODE_CHOOSE_OTHER)
 381
 382 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 383                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 384                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 385 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 386                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 387                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 388
 389 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 390                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 391                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 392 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 393                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 394                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 395
 396 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 397                                  DRAW_XOFFSET_INFO(info_mode) :         \
 398                                  (s) == GAME_MODE_SETUP ?               \
 399                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 400                                  menu.draw_xoffset[DRAW_MODE(s)])
 401 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 402                                  DRAW_YOFFSET_INFO(info_mode) :         \
 403                                  (s) == GAME_MODE_SETUP ?               \
 404                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 405                                  menu.draw_yoffset[DRAW_MODE(s)])
 406
 407 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 408 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 409
 410 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 411                                     menu.list_size[game_status] :       \
 412                                     MAX_MENU_ENTRIES_ON_SCREEN)
 413
 414 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 415                                          NUM_MENU_ENTRIES_ON_SCREEN)
 416
 417
 418 /* title display and control definitions */
 419
 420 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 421                                  2 * MAX_NUM_TITLE_MESSAGES)
 422
 423 #define NO_DIRECT_LEVEL_SELECT  (-1)
 424
 425
 426 static int num_title_screens = 0;
 427
 428 struct TitleControlInfo
 429 {
 430   boolean is_image;
 431   boolean initial;
 432   int local_nr;
 433   int sort_priority;
 434 };
 435
 436 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 437
 438 /* main menu display and control definitions */
 439
 440 #define MAIN_CONTROL_NAME                       0
 441 #define MAIN_CONTROL_LEVELS                     1
 442 #define MAIN_CONTROL_SCORES                     2
 443 #define MAIN_CONTROL_EDITOR                     3
 444 #define MAIN_CONTROL_INFO                       4
 445 #define MAIN_CONTROL_GAME                       5
 446 #define MAIN_CONTROL_SETUP                      6
 447 #define MAIN_CONTROL_QUIT                       7
 448 #define MAIN_CONTROL_PREV_LEVEL                 8
 449 #define MAIN_CONTROL_NEXT_LEVEL                 9
 450 #define MAIN_CONTROL_FIRST_LEVEL                10
 451 #define MAIN_CONTROL_LAST_LEVEL                 11
 452 #define MAIN_CONTROL_LEVEL_NUMBER               12
 453 #define MAIN_CONTROL_LEVEL_INFO_1               13
 454 #define MAIN_CONTROL_LEVEL_INFO_2               14
 455 #define MAIN_CONTROL_LEVEL_NAME                 15
 456 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 457 #define MAIN_CONTROL_LEVEL_YEAR                 17
 458 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 459 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 460 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 461 #define MAIN_CONTROL_TITLE_1                    21
 462 #define MAIN_CONTROL_TITLE_2                    22
 463 #define MAIN_CONTROL_TITLE_3                    23
 464
 465 static char str_main_text_name[10];
 466 static char str_main_text_first_level[10];
 467 static char str_main_text_last_level[10];
 468 static char str_main_text_level_number[10];
 469
 470 static char *main_text_name                     = str_main_text_name;
 471 static char *main_text_first_level              = str_main_text_first_level;
 472 static char *main_text_last_level               = str_main_text_last_level;
 473 static char *main_text_level_number             = str_main_text_level_number;
 474 static char *main_text_levels                   = "Levelset";
 475 static char *main_text_scores                   = "Hall Of Fame";
 476 static char *main_text_editor                   = "Level Creator";
 477 static char *main_text_info                     = "Info Screen";
 478 static char *main_text_game                     = "Start Game";
 479 static char *main_text_setup                    = "Setup";
 480 static char *main_text_quit                     = "Quit";
 481 static char *main_text_level_name               = level.name;
 482 static char *main_text_level_author             = level.author;
 483 static char *main_text_level_year               = NULL;
 484 static char *main_text_level_imported_from      = NULL;
 485 static char *main_text_level_imported_by        = NULL;
 486 static char *main_text_level_tested_by          = NULL;
 487 static char *main_text_title_1                  = PROGRAM_TITLE_STRING;
 488 static char *main_text_title_2                  = PROGRAM_COPYRIGHT_STRING;
 489 static char *main_text_title_3                  = PROGRAM_GAME_BY_STRING;
 490
 491 struct MainControlInfo
 492 {
 493   int nr;
 494
 495   struct MenuPosInfo *pos_button;
 496   int button_graphic;
 497
 498   struct TextPosInfo *pos_text;
 499   char **text;
 500
 501   struct TextPosInfo *pos_input;
 502   char **input;
 503 };
 504
 505 static struct MainControlInfo main_controls[] =
 506 {
 507   {
 508     MAIN_CONTROL_NAME,
 509     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 510     &menu.main.text.name,               &main_text_name,
 511     &menu.main.input.name,              &setup.player_name,
 512   },
 513   {
 514     MAIN_CONTROL_LEVELS,
 515     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 516     &menu.main.text.levels,             &main_text_levels,
 517     NULL,                               NULL,
 518   },
 519   {
 520     MAIN_CONTROL_SCORES,
 521     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 522     &menu.main.text.scores,             &main_text_scores,
 523     NULL,                               NULL,
 524   },
 525   {
 526     MAIN_CONTROL_EDITOR,
 527     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 528     &menu.main.text.editor,             &main_text_editor,
 529     NULL,                               NULL,
 530   },
 531   {
 532     MAIN_CONTROL_INFO,
 533     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 534     &menu.main.text.info,               &main_text_info,
 535     NULL,                               NULL,
 536   },
 537   {
 538     MAIN_CONTROL_GAME,
 539     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 540     &menu.main.text.game,               &main_text_game,
 541     NULL,                               NULL,
 542   },
 543   {
 544     MAIN_CONTROL_SETUP,
 545     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 546     &menu.main.text.setup,              &main_text_setup,
 547     NULL,                               NULL,
 548   },
 549   {
 550     MAIN_CONTROL_QUIT,
 551     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 552     &menu.main.text.quit,               &main_text_quit,
 553     NULL,                               NULL,
 554   },
 555 #if 0
 556   /* (these two buttons are real gadgets) */
 557   {
 558     MAIN_CONTROL_PREV_LEVEL,
 559     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 560     NULL,                               NULL,
 561     NULL,                               NULL,
 562   },
 563   {
 564     MAIN_CONTROL_NEXT_LEVEL,
 565     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 566     NULL,                               NULL,
 567     NULL,                               NULL,
 568   },
 569 #endif
 570   {
 571     MAIN_CONTROL_FIRST_LEVEL,
 572     NULL,                               -1,
 573     &menu.main.text.first_level,        &main_text_first_level,
 574     NULL,                               NULL,
 575   },
 576   {
 577     MAIN_CONTROL_LAST_LEVEL,
 578     NULL,                               -1,
 579     &menu.main.text.last_level,         &main_text_last_level,
 580     NULL,                               NULL,
 581   },
 582   {
 583     MAIN_CONTROL_LEVEL_NUMBER,
 584     NULL,                               -1,
 585     &menu.main.text.level_number,       &main_text_level_number,
 586     NULL,                               NULL,
 587   },
 588   {
 589     MAIN_CONTROL_LEVEL_INFO_1,
 590     NULL,                               -1,
 591     &menu.main.text.level_info_1,       NULL,
 592     NULL,                               NULL,
 593   },
 594   {
 595     MAIN_CONTROL_LEVEL_INFO_2,
 596     NULL,                               -1,
 597     &menu.main.text.level_info_2,       NULL,
 598     NULL,                               NULL,
 599   },
 600   {
 601     MAIN_CONTROL_LEVEL_NAME,
 602     NULL,                               -1,
 603     &menu.main.text.level_name,         &main_text_level_name,
 604     NULL,                               NULL,
 605   },
 606   {
 607     MAIN_CONTROL_LEVEL_AUTHOR,
 608     NULL,                               -1,
 609     &menu.main.text.level_author,       &main_text_level_author,
 610     NULL,                               NULL,
 611   },
 612   {
 613     MAIN_CONTROL_LEVEL_YEAR,
 614     NULL,                               -1,
 615     &menu.main.text.level_year,         &main_text_level_year,
 616     NULL,                               NULL,
 617   },
 618   {
 619     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 620     NULL,                               -1,
 621     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 622     NULL,                               NULL,
 623   },
 624   {
 625     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 626     NULL,                               -1,
 627     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 628     NULL,                               NULL,
 629   },
 630   {
 631     MAIN_CONTROL_LEVEL_TESTED_BY,
 632     NULL,                               -1,
 633     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 634     NULL,                               NULL,
 635   },
 636   {
 637     MAIN_CONTROL_TITLE_1,
 638     NULL,                               -1,
 639     &menu.main.text.title_1,            &main_text_title_1,
 640     NULL,                               NULL,
 641   },
 642   {
 643     MAIN_CONTROL_TITLE_2,
 644     NULL,                               -1,
 645     &menu.main.text.title_2,            &main_text_title_2,
 646     NULL,                               NULL,
 647   },
 648   {
 649     MAIN_CONTROL_TITLE_3,
 650     NULL,                               -1,
 651     &menu.main.text.title_3,            &main_text_title_3,
 652     NULL,                               NULL,
 653   },
 654
 655   {
 656     -1,
 657     NULL,                               -1,
 658     NULL,                               NULL,
 659     NULL,                               NULL,
 660   }
 661 };
 662
 663
 664 static int getTitleScreenGraphic(int nr, boolean initial)
 665 {
 666   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 667 }
 668
 669 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 670 {
 671   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 672 }
 673
 674 #if 0
 675 static int getTitleScreenGameMode(boolean initial)
 676 {
 677   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 678 }
 679 #endif
 680
 681 static int getTitleMessageGameMode(boolean initial)
 682 {
 683   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 684 }
 685
 686 #if 0
 687 static int getTitleScreenBackground(boolean initial)
 688 {
 689   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 690 }
 691 #endif
 692
 693 #if 0
 694 static int getTitleMessageBackground(int nr, boolean initial)
 695 {
 696   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 697 }
 698 #endif
 699
 700 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 701 {
 702   int base = (is_image ?
 703               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 704                          IMG_BACKGROUND_TITLESCREEN_1) :
 705               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 706                          IMG_BACKGROUND_TITLEMESSAGE_1));
 707   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 708                                   IMG_BACKGROUND_TITLE);
 709   int graphic_local = base + nr;
 710
 711   if (graphic_info[graphic_local].bitmap != NULL)
 712     return graphic_local;
 713
 714   if (graphic_info[graphic_global].bitmap != NULL)
 715     return graphic_global;
 716
 717   return IMG_UNDEFINED;
 718 }
 719
 720 static int getTitleSound(struct TitleControlInfo *tci)
 721 {
 722   boolean is_image = tci->is_image;
 723   int initial = tci->initial;
 724   int nr = tci->local_nr;
 725   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 726   int base = (is_image ?
 727               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 728                          SND_BACKGROUND_TITLESCREEN_1) :
 729               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 730                          SND_BACKGROUND_TITLEMESSAGE_1));
 731   int sound_global = menu.sound[mode];
 732   int sound_local = base + nr;
 733
 734 #if 0
 735   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 736          nr, initial, is_image,
 737          sound_global, getSoundListEntry(sound_global)->filename,
 738          sound_local, getSoundListEntry(sound_local)->filename);
 739 #endif
 740
 741   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 742     return sound_local;
 743
 744   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 745     return sound_global;
 746
 747   return SND_UNDEFINED;
 748 }
 749
 750 static int getTitleMusic(struct TitleControlInfo *tci)
 751 {
 752   boolean is_image = tci->is_image;
 753   int initial = tci->initial;
 754   int nr = tci->local_nr;
 755   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 756   int base = (is_image ?
 757               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 758                          MUS_BACKGROUND_TITLESCREEN_1) :
 759               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 760                          MUS_BACKGROUND_TITLEMESSAGE_1));
 761   int music_global = menu.music[mode];
 762   int music_local = base + nr;
 763
 764 #if 0
 765   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 766          nr, initial, is_image,
 767          music_global, getMusicListEntry(music_global)->filename,
 768          music_local, getMusicListEntry(music_local)->filename);
 769 #endif
 770
 771   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 772     return music_local;
 773
 774   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 775     return music_global;
 776
 777   return MUS_UNDEFINED;
 778 }
 779
 780 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 781 {
 782   boolean is_image = tci->is_image;
 783   int initial = tci->initial;
 784   int nr = tci->local_nr;
 785   struct TitleFadingInfo ti;
 786
 787   if (is_image)
 788   {
 789     int graphic = getTitleScreenGraphic(nr, initial);
 790
 791     /* initialize fading control values to default title config settings */
 792     ti = (initial ? title_initial_default : title_default);
 793
 794     /* override default settings with image config settings, if defined */
 795     if (graphic_info[graphic].fade_mode != FADE_MODE_DEFAULT)
 796       ti.fade_mode = graphic_info[graphic].fade_mode;
 797     if (graphic_info[graphic].fade_delay > -1)
 798       ti.fade_delay = graphic_info[graphic].fade_delay;
 799     if (graphic_info[graphic].post_delay > -1)
 800       ti.post_delay = graphic_info[graphic].post_delay;
 801     if (graphic_info[graphic].auto_delay > -1)
 802       ti.auto_delay = graphic_info[graphic].auto_delay;
 803   }
 804   else
 805   {
 806     if (initial)
 807     {
 808       ti.fade_mode  = titlemessage_initial[nr].fade_mode;
 809       ti.fade_delay = titlemessage_initial[nr].fade_delay;
 810       ti.post_delay = titlemessage_initial[nr].post_delay;
 811       ti.auto_delay = titlemessage_initial[nr].auto_delay;
 812     }
 813     else
 814     {
 815       ti.fade_mode  = titlemessage[nr].fade_mode;
 816       ti.fade_delay = titlemessage[nr].fade_delay;
 817       ti.post_delay = titlemessage[nr].post_delay;
 818       ti.auto_delay = titlemessage[nr].auto_delay;
 819     }
 820   }
 821
 822   return ti;
 823 }
 824
 825 static int compareTitleControlInfo(const void *object1, const void *object2)
 826 {
 827   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 828   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 829   int compare_result;
 830
 831   if (tci1->initial != tci2->initial)
 832     compare_result = (tci1->initial ? -1 : +1);
 833   else if (tci1->sort_priority != tci2->sort_priority)
 834     compare_result = tci1->sort_priority - tci2->sort_priority;
 835   else if (tci1->is_image != tci2->is_image)
 836     compare_result = (tci1->is_image ? -1 : +1);
 837   else
 838     compare_result = tci1->local_nr - tci2->local_nr;
 839
 840   return compare_result;
 841 }
 842
 843 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 844                                                     boolean initial,
 845                                                     int nr, int sort_priority)
 846 {
 847   title_controls[num_title_screens].is_image = is_image;
 848   title_controls[num_title_screens].initial = initial;
 849   title_controls[num_title_screens].local_nr = nr;
 850   title_controls[num_title_screens].sort_priority = sort_priority;
 851
 852   num_title_screens++;
 853 }
 854
 855 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 856 {
 857   int i;
 858
 859   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 860   {
 861     int graphic = getTitleScreenGraphic(i, initial);
 862     Bitmap *bitmap = graphic_info[graphic].bitmap;
 863     int sort_priority = graphic_info[graphic].sort_priority;
 864
 865     if (bitmap != NULL)
 866       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 867   }
 868
 869   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 870   {
 871     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 872     char *filename = getLevelSetTitleMessageFilename(i, initial);
 873     int sort_priority = tmi->sort_priority;
 874
 875     if (filename != NULL)
 876       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 877   }
 878 }
 879
 880 static void InitializeTitleControls(boolean show_title_initial)
 881 {
 882   num_title_screens = 0;
 883
 884   /* 1st step: initialize title screens for game start (only when starting) */
 885   if (show_title_initial)
 886     InitializeTitleControls_CheckTitleInfo(TRUE);
 887
 888   /* 2nd step: initialize title screens for current level set */
 889   InitializeTitleControls_CheckTitleInfo(FALSE);
 890
 891   /* sort title screens according to sort_priority and title number */
 892   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 893         compareTitleControlInfo);
 894 }
 895
 896 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 897 {
 898   return (pos != NULL && pos->x != -1 && pos->y != -1);
 899 }
 900
 901 static boolean visibleTextPos(struct TextPosInfo *pos)
 902 {
 903   return (pos != NULL && pos->x != -1 && pos->y != -1);
 904 }
 905
 906 static void InitializeMainControls()
 907 {
 908   boolean local_team_mode = (!options.network && setup.team_mode);
 909   int i;
 910
 911   /* set main control text values to dynamically determined values */
 912   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 913
 914   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 915                                          menu.main.text.first_level.size));
 916   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 917                                          menu.main.text.last_level.size));
 918   strcpy(main_text_level_number, int2str(level_nr,
 919                                          menu.main.text.level_number.size));
 920
 921   main_text_level_year          = leveldir_current->year;
 922   main_text_level_imported_from = leveldir_current->imported_from;
 923   main_text_level_imported_by   = leveldir_current->imported_by;
 924   main_text_level_tested_by     = leveldir_current->tested_by;
 925
 926   /* set main control screen positions to dynamically determined values */
 927   for (i = 0; main_controls[i].nr != -1; i++)
 928   {
 929     struct MainControlInfo *mci = &main_controls[i];
 930     int nr                         = mci->nr;
 931     struct MenuPosInfo *pos_button = mci->pos_button;
 932     struct TextPosInfo *pos_text   = mci->pos_text;
 933     struct TextPosInfo *pos_input  = mci->pos_input;
 934     char *text                     = (mci->text  ? *mci->text  : NULL);
 935     char *input                    = (mci->input ? *mci->input : NULL);
 936     int button_graphic             = mci->button_graphic;
 937     int font_text                  = (pos_text  ? pos_text->font  : -1);
 938     int font_input                 = (pos_input ? pos_input->font : -1);
 939
 940     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 941     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 942     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 943     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 944     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 945     int input_chars = (input != NULL ? strlen(input) : 0);
 946
 947     int button_width =
 948       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 949     int button_height =
 950       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 951     int text_width   = font_text_width * text_chars;
 952     int text_height  = font_text_height;
 953     int input_width  = font_input_width * input_chars;
 954     int input_height = font_input_height;
 955
 956     if (nr == MAIN_CONTROL_NAME)
 957     {
 958       menu.main.input.name.width  = input_width;
 959       menu.main.input.name.height = input_height;
 960     }
 961
 962     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
 963     {
 964       if (pos_button->width == 0)
 965         pos_button->width = button_width;
 966       if (pos_button->height == 0)
 967         pos_button->height = button_height;
 968     }
 969
 970     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
 971     {
 972       /* calculate size for non-clickable text -- needed for text alignment */
 973       boolean calculate_text_size = (pos_button == NULL && text != NULL);
 974
 975       if (visibleMenuPos(pos_button))
 976       {
 977         if (pos_text->x == -1)
 978           pos_text->x = pos_button->x + pos_button->width;
 979         if (pos_text->y == -1)
 980           pos_text->y = pos_button->y;
 981       }
 982
 983       if (pos_text->width == -1 || calculate_text_size)
 984         pos_text->width = text_width;
 985       if (pos_text->height == -1 || calculate_text_size)
 986         pos_text->height = text_height;
 987     }
 988
 989     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
 990     {
 991       if (visibleTextPos(pos_text))
 992       {
 993         if (pos_input->x == -1)
 994           pos_input->x = pos_text->x + pos_text->width;
 995         if (pos_input->y == -1)
 996           pos_input->y = pos_text->y;
 997       }
 998
 999       if (pos_input->width == -1)
1000         pos_input->width = input_width;
1001       if (pos_input->height == -1)
1002         pos_input->height = input_height;
1003     }
1004   }
1005 }
1006
1007 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1008                                        boolean active_input)
1009 {
1010   int i;
1011
1012   for (i = 0; main_controls[i].nr != -1; i++)
1013   {
1014     struct MainControlInfo *mci = &main_controls[i];
1015
1016     if (mci->nr == nr || nr == -1)
1017     {
1018       struct MenuPosInfo *pos_button = mci->pos_button;
1019       struct TextPosInfo *pos_text   = mci->pos_text;
1020       struct TextPosInfo *pos_input  = mci->pos_input;
1021       char *text                     = (mci->text  ? *mci->text  : NULL);
1022       char *input                    = (mci->input ? *mci->input : NULL);
1023       int button_graphic             = mci->button_graphic;
1024       int font_text                  = (pos_text  ? pos_text->font  : -1);
1025       int font_input                 = (pos_input ? pos_input->font : -1);
1026
1027       if (active_text)
1028       {
1029         button_graphic = BUTTON_ACTIVE(button_graphic);
1030         font_text = FONT_ACTIVE(font_text);
1031       }
1032
1033       if (active_input)
1034       {
1035         font_input = FONT_ACTIVE(font_input);
1036       }
1037
1038       if (visibleMenuPos(pos_button))
1039       {
1040         struct MenuPosInfo *pos = pos_button;
1041         int x = mSX + pos->x;
1042         int y = mSY + pos->y;
1043
1044         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1045         DrawFixedGraphicThruMaskExt(drawto, x, y, button_graphic, 0);
1046       }
1047
1048       if (visibleTextPos(pos_text) && text != NULL)
1049       {
1050         struct TextPosInfo *pos = pos_text;
1051         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1052         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1053
1054 #if 1
1055         /* (check why/if this is needed) */
1056         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1057 #endif
1058         DrawText(x, y, text, font_text);
1059       }
1060
1061       if (visibleTextPos(pos_input) && input != NULL)
1062       {
1063         struct TextPosInfo *pos = pos_input;
1064         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1065         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1066
1067 #if 1
1068         /* (check why/if this is needed) */
1069         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1070 #endif
1071         DrawText(x, y, input, font_input);
1072       }
1073     }
1074   }
1075 }
1076
1077 static void DrawCursorAndText_Main(int nr, boolean active_text)
1078 {
1079   DrawCursorAndText_Main_Ext(nr, active_text, FALSE);
1080 }
1081
1082 #if 0
1083 static void DrawCursorAndText_Main_Input(int nr, boolean active_text)
1084 {
1085   DrawCursorAndText_Main_Ext(nr, active_text, TRUE);
1086 }
1087 #endif
1088
1089 static struct MainControlInfo *getMainControlInfo(int nr)
1090 {
1091   int i;
1092
1093   for (i = 0; main_controls[i].nr != -1; i++)
1094     if (main_controls[i].nr == nr)
1095       return &main_controls[i];
1096
1097   return NULL;
1098 }
1099
1100 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1101 {
1102   if (rect == NULL)
1103     return FALSE;
1104
1105   int rect_x = ALIGNED_TEXT_XPOS(rect);
1106   int rect_y = ALIGNED_TEXT_YPOS(rect);
1107
1108   return (x >= rect_x && x < rect_x + rect->width &&
1109           y >= rect_y && y < rect_y + rect->height);
1110 }
1111
1112 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1113 {
1114   if (rect == NULL)
1115     return FALSE;
1116
1117   int rect_x = ALIGNED_TEXT_XPOS(rect);
1118   int rect_y = ALIGNED_TEXT_YPOS(rect);
1119
1120 #if 0
1121   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1122          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1123          (x >= rect_x && x < rect_x + rect->width &&
1124           y >= rect_y && y < rect_y + rect->height));
1125 #endif
1126
1127   return (x >= rect_x && x < rect_x + rect->width &&
1128           y >= rect_y && y < rect_y + rect->height);
1129 }
1130
1131 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1132 {
1133   static int cursor_array[MAX_LEV_FIELDY];
1134   int x = mSX + TILEX * xpos;
1135   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1136
1137   if (xpos == 0)
1138   {
1139     if (graphic != -1)
1140       cursor_array[ypos] = graphic;
1141     else
1142       graphic = cursor_array[ypos];
1143   }
1144
1145   if (active)
1146     graphic = BUTTON_ACTIVE(graphic);
1147
1148   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1149   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1150 }
1151
1152 static void initCursor(int ypos, int graphic)
1153 {
1154   drawCursorExt(0, ypos, FALSE, graphic);
1155 }
1156
1157 static void drawCursor(int ypos, boolean active)
1158 {
1159   drawCursorExt(0, ypos, active, -1);
1160 }
1161
1162 static void drawCursorXY(int xpos, int ypos, int graphic)
1163 {
1164   drawCursorExt(xpos, ypos, FALSE, graphic);
1165 }
1166
1167 static void drawChooseTreeCursor(int ypos, boolean active)
1168 {
1169   int last_game_status = game_status;   /* save current game status */
1170
1171   drawCursorExt(0, ypos, active, -1);
1172
1173   game_status = last_game_status;       /* restore current game status */
1174 }
1175
1176 void DrawHeadline()
1177 {
1178   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, PROGRAM_TITLE_STRING);
1179   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, PROGRAM_COPYRIGHT_STRING);
1180 }
1181
1182 int effectiveGameStatus()
1183 {
1184   if (game_status == GAME_MODE_INFO && info_mode == INFO_MODE_TITLE)
1185     return GAME_MODE_TITLE;
1186
1187   return game_status;
1188 }
1189
1190 void DrawTitleScreenImage(int nr, boolean initial)
1191 {
1192   int graphic = getTitleScreenGraphic(nr, initial);
1193   Bitmap *bitmap = graphic_info[graphic].bitmap;
1194   int width  = graphic_info[graphic].width;
1195   int height = graphic_info[graphic].height;
1196   int src_x = graphic_info[graphic].src_x;
1197   int src_y = graphic_info[graphic].src_y;
1198   int dst_x, dst_y;
1199
1200   if (bitmap == NULL)
1201     return;
1202
1203   if (width > WIN_XSIZE)
1204   {
1205     /* image width too large for window => center image horizontally */
1206     src_x = (width - WIN_XSIZE) / 2;
1207     width = WIN_XSIZE;
1208   }
1209
1210   if (height > WIN_YSIZE)
1211   {
1212     /* image height too large for window => center image vertically */
1213     src_y = (height - WIN_YSIZE) / 2;
1214     height = WIN_YSIZE;
1215   }
1216
1217   /* always display title screens centered */
1218   dst_x = (WIN_XSIZE - width) / 2;
1219   dst_y = (WIN_YSIZE - height) / 2;
1220
1221   SetDrawBackgroundMask(REDRAW_ALL);
1222   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1223
1224   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1225
1226   if (DrawingOnBackground(dst_x, dst_y))
1227     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1228   else
1229     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1230
1231   redraw_mask = REDRAW_ALL;
1232 }
1233
1234 void DrawTitleScreenMessage(int nr, boolean initial)
1235 {
1236   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1237   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1238   int last_game_status = game_status;   /* save current game status */
1239
1240   if (filename == NULL)
1241     return;
1242
1243   /* force TITLE font on title message screen */
1244   game_status = getTitleMessageGameMode(initial);
1245
1246   /* if chars set to "-1", automatically determine by text and font width */
1247   if (tmi->chars == -1)
1248     tmi->chars = tmi->width / getFontWidth(tmi->font);
1249   else
1250     tmi->width = tmi->chars * getFontWidth(tmi->font);
1251
1252   /* if lines set to "-1", automatically determine by text and font height */
1253   if (tmi->lines == -1)
1254     tmi->lines = tmi->height / getFontHeight(tmi->font);
1255   else
1256     tmi->height = tmi->lines * getFontHeight(tmi->font);
1257
1258   SetDrawBackgroundMask(REDRAW_ALL);
1259   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1260
1261   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1262
1263   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1264                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1265                tmi->autowrap, tmi->centered, tmi->parse_comments);
1266
1267   game_status = last_game_status;       /* restore current game status */
1268 }
1269
1270 void DrawTitleScreen()
1271 {
1272   KeyboardAutoRepeatOff();
1273
1274   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1275
1276   StopAnimation();
1277 }
1278
1279 boolean CheckTitleScreen(boolean levelset_has_changed)
1280 {
1281   static boolean show_title_initial = TRUE;
1282   boolean show_titlescreen = FALSE;
1283
1284   /* needed to be able to skip title screen, if no image or message defined */
1285   InitializeTitleControls(show_title_initial);
1286
1287   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1288     show_titlescreen = TRUE;
1289
1290   /* show initial title images and messages only once at program start */
1291   show_title_initial = FALSE;
1292
1293   return (show_titlescreen && num_title_screens > 0);
1294 }
1295
1296 void DrawMainMenuExt(int fade_mask, boolean do_fading)
1297 {
1298   static LevelDirTree *leveldir_last_valid = NULL;
1299   boolean levelset_has_changed = FALSE;
1300
1301   LimitScreenUpdates(FALSE);
1302
1303   FadeSetLeaveScreen();
1304
1305   /* do not fade out here -- function may continue and fade on editor screen */
1306
1307   UnmapAllGadgets();
1308   FadeSoundsAndMusic();
1309
1310   KeyboardAutoRepeatOn();
1311   ActivateJoystick();
1312
1313   SetDrawDeactivationMask(REDRAW_NONE);
1314   SetDrawBackgroundMask(REDRAW_FIELD);
1315
1316   audio.sound_deactivated = FALSE;
1317
1318   GetPlayerConfig();
1319
1320   /* needed if last screen was the playing screen, invoked from level editor */
1321   if (level_editor_test_game)
1322   {
1323     game_status = GAME_MODE_EDITOR;
1324     DrawLevelEd();
1325
1326     return;
1327   }
1328
1329   /* needed if last screen was the setup screen and fullscreen state changed */
1330   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1331   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1332
1333   /* leveldir_current may be invalid (level group, parent link) */
1334   if (!validLevelSeries(leveldir_current))
1335     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1336
1337   if (leveldir_current != leveldir_last_valid)
1338     levelset_has_changed = TRUE;
1339
1340   /* store valid level series information */
1341   leveldir_last_valid = leveldir_current;
1342
1343   init_last = init;                     /* switch to new busy animation */
1344
1345   /* needed if last screen (level choice) changed graphics, sounds or music */
1346   ReloadCustomArtwork(0);
1347
1348   if (redraw_mask & REDRAW_ALL)
1349     fade_mask = REDRAW_ALL;
1350
1351   FadeOut(fade_mask);
1352
1353   /* needed if different viewport properties defined for menues */
1354   ChangeViewportPropertiesIfNeeded();
1355
1356   /* needed if last screen was the editor screen */
1357   UndrawSpecialEditorDoor();
1358
1359   SetDrawtoField(DRAW_BACKBUFFER);
1360
1361   if (CheckTitleScreen(levelset_has_changed))
1362   {
1363     game_status = GAME_MODE_TITLE;
1364
1365     DrawTitleScreen();
1366
1367     return;
1368   }
1369
1370   /* level_nr may have been set to value over handicap with level editor */
1371   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1372     level_nr = leveldir_current->handicap_level;
1373
1374   LoadLevel(level_nr);
1375   LoadScore(level_nr);
1376
1377   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1378
1379   if (fade_mask == REDRAW_ALL)
1380     RedrawBackground();
1381
1382   ClearField();
1383
1384   InitializeMainControls();
1385
1386   DrawCursorAndText_Main(-1, FALSE);
1387   DrawPreviewLevelInitial();
1388
1389   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1390
1391   TapeStop();
1392   if (TAPE_IS_EMPTY(tape))
1393     LoadTape(level_nr);
1394   DrawCompleteVideoDisplay();
1395
1396   PlayMenuSound();
1397   PlayMenuMusic();
1398
1399   /* create gadgets for main menu screen */
1400   FreeScreenGadgets();
1401   CreateScreenGadgets();
1402
1403   /* map gadgets for main menu screen */
1404   MapTapeButtons();
1405   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1406
1407   /* copy actual game door content to door double buffer for OpenDoor() */
1408   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1409
1410   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1411
1412   DrawMaskedBorder(REDRAW_ALL);
1413
1414   FadeIn(fade_mask);
1415   FadeSetEnterMenu();
1416
1417   /* update screen area with special editor door */
1418   redraw_mask |= REDRAW_ALL;
1419   BackToFront();
1420
1421   SetMouseCursor(CURSOR_DEFAULT);
1422
1423   InitAnimation();
1424
1425   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1426 }
1427
1428 void DrawAndFadeInMainMenu(int fade_mask)
1429 {
1430   DrawMainMenuExt(fade_mask, TRUE);
1431 }
1432
1433 void DrawMainMenu()
1434 {
1435   DrawMainMenuExt(REDRAW_ALL, FALSE);
1436 }
1437
1438 #if defined(CREATE_SPECIAL_EDITION_RND_JUE)
1439 static void gotoTopLevelDir()
1440 {
1441   /* move upwards to top level directory */
1442   while (leveldir_current->node_parent)
1443   {
1444     /* write a "path" into level tree for easy navigation to last level */
1445     if (leveldir_current->node_parent->node_group->cl_first == -1)
1446     {
1447       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1448       int leveldir_pos = posTreeInfo(leveldir_current);
1449       int num_page_entries;
1450       int cl_first, cl_cursor;
1451
1452       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1453         num_page_entries = num_leveldirs;
1454       else
1455         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1456
1457       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1458       cl_cursor = leveldir_pos - cl_first;
1459
1460       leveldir_current->node_parent->node_group->cl_first = cl_first;
1461       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1462     }
1463
1464     leveldir_current = leveldir_current->node_parent;
1465   }
1466 }
1467 #endif
1468
1469 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1470 {
1471   static unsigned int title_delay = 0;
1472   static int title_screen_nr = 0;
1473   static int last_sound = -1, last_music = -1;
1474   boolean return_to_main_menu = FALSE;
1475   boolean use_fading_main_menu = TRUE;
1476   struct TitleControlInfo *tci;
1477   struct TitleFadingInfo fading_default;
1478   struct TitleFadingInfo fading_last = fading;
1479   struct TitleFadingInfo fading_next;
1480   int sound, music;
1481
1482   if (button == MB_MENU_INITIALIZE)
1483   {
1484     title_delay = 0;
1485     title_screen_nr = 0;
1486     tci = &title_controls[title_screen_nr];
1487
1488     last_sound = SND_UNDEFINED;
1489     last_music = MUS_UNDEFINED;
1490
1491     if (game_status == GAME_MODE_INFO)
1492     {
1493       if (num_title_screens == 0)
1494       {
1495         DrawInfoScreen_NotAvailable("Title screen information:",
1496                                     "No title screen for this level set.");
1497
1498         return;
1499       }
1500
1501       FadeSoundsAndMusic();
1502
1503       FadeOut(REDRAW_ALL);
1504     }
1505
1506     if (tci->is_image)
1507       DrawTitleScreenImage(tci->local_nr, tci->initial);
1508     else
1509       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1510
1511     fading_default = (tci->initial ? title_initial_default : title_default);
1512
1513     fading = fading_next = getTitleFading(tci);
1514
1515     if (!(fading_last.fade_mode & FADE_TYPE_TRANSFORM) &&
1516         fading_next.fade_mode & FADE_TYPE_TRANSFORM)
1517     {
1518       fading.fade_mode = FADE_MODE_FADE;
1519       fading.fade_delay = fading_default.fade_delay;
1520     }
1521
1522     sound = getTitleSound(tci);
1523     music = getTitleMusic(tci);
1524
1525     if (sound != last_sound)
1526       PlayMenuSoundExt(sound);
1527     if (music != last_music)
1528       PlayMenuMusicExt(music);
1529
1530     last_sound = sound;
1531     last_music = music;
1532
1533     SetMouseCursor(CURSOR_NONE);
1534
1535     FadeIn(REDRAW_ALL);
1536
1537     fading = fading_next;
1538
1539     DelayReached(&title_delay, 0);      /* reset delay counter */
1540
1541     return;
1542   }
1543
1544   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1545     button = MB_MENU_CHOICE;
1546
1547   if (button == MB_MENU_LEAVE)
1548   {
1549     return_to_main_menu = TRUE;
1550     use_fading_main_menu = FALSE;
1551   }
1552   else if (button == MB_MENU_CHOICE)
1553   {
1554     if (game_status == GAME_MODE_INFO && num_title_screens == 0)
1555     {
1556       FadeSetEnterScreen();
1557
1558       info_mode = INFO_MODE_MAIN;
1559       DrawAndFadeInInfoScreen(REDRAW_FIELD);
1560
1561       return;
1562     }
1563
1564     title_screen_nr++;
1565     tci = &title_controls[title_screen_nr];
1566
1567     if (title_screen_nr < num_title_screens)
1568     {
1569       sound = getTitleSound(tci);
1570       music = getTitleMusic(tci);
1571
1572       if (sound == SND_UNDEFINED || sound != last_sound)
1573         FadeSounds();
1574       if (music == MUS_UNDEFINED || music != last_music)
1575         FadeMusic();
1576
1577       FadeOut(REDRAW_ALL);
1578
1579       if (tci->is_image)
1580         DrawTitleScreenImage(tci->local_nr, tci->initial);
1581       else
1582         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1583
1584       fading_next = getTitleFading(tci);
1585
1586       sound = getTitleSound(tci);
1587       music = getTitleMusic(tci);
1588
1589       if (sound != last_sound)
1590         PlayMenuSoundExt(sound);
1591       if (music != last_music)
1592         PlayMenuMusicExt(music);
1593
1594       last_sound = sound;
1595       last_music = music;
1596
1597       /* last screen already faded out, next screen has no animation */
1598       if (!(fading.fade_mode & FADE_TYPE_TRANSFORM) &&
1599           fading_next.fade_mode == FADE_MODE_NONE)
1600         fading = fading_next;
1601
1602       FadeIn(REDRAW_ALL);
1603
1604       fading = fading_next;
1605
1606       DelayReached(&title_delay, 0);    /* reset delay counter */
1607     }
1608     else
1609     {
1610       FadeSoundsAndMusic();
1611
1612       return_to_main_menu = TRUE;
1613     }
1614   }
1615
1616   if (return_to_main_menu)
1617   {
1618     SetMouseCursor(CURSOR_DEFAULT);
1619
1620     if (game_status == GAME_MODE_INFO)
1621     {
1622       info_mode = INFO_MODE_MAIN;
1623
1624       DrawInfoScreenExt(REDRAW_ALL, use_fading_main_menu);
1625     }
1626     else        /* default: return to main menu */
1627     {
1628       game_status = GAME_MODE_MAIN;
1629
1630       DrawMainMenuExt(REDRAW_ALL, use_fading_main_menu);
1631     }
1632   }
1633 }
1634
1635 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1636 {
1637   int old_level_nr = level_nr;
1638   int new_level_nr;
1639
1640   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1641     new_level_nr = selected_level_nr;
1642   else
1643     new_level_nr = old_level_nr + step * direction;
1644
1645   if (new_level_nr < leveldir_current->first_level)
1646     new_level_nr = leveldir_current->first_level;
1647   if (new_level_nr > leveldir_current->last_level)
1648     new_level_nr = leveldir_current->last_level;
1649
1650   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1651   {
1652     /* skipping levels is only allowed when trying to skip single level */
1653     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1654         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1655     {
1656       leveldir_current->handicap_level++;
1657       SaveLevelSetup_SeriesInfo();
1658     }
1659
1660     new_level_nr = leveldir_current->handicap_level;
1661   }
1662
1663   if (new_level_nr != old_level_nr)
1664   {
1665     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1666
1667     PlaySound(SND_MENU_ITEM_SELECTING);
1668
1669     level_nr = new_level_nr;
1670
1671     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1672              int2str(level_nr, menu.main.text.level_number.size),
1673              mci->pos_text->font);
1674
1675     LoadLevel(level_nr);
1676     DrawPreviewLevelInitial();
1677
1678     TapeErase();
1679     LoadTape(level_nr);
1680     DrawCompleteVideoDisplay();
1681
1682     /* needed because DrawPreviewLevelInitial() takes some time */
1683     BackToFront();
1684     /* SyncDisplay(); */
1685   }
1686 }
1687
1688 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1689 {
1690   static int choice = MAIN_CONTROL_GAME;
1691   int pos = choice;
1692   int i;
1693
1694   if (button == MB_MENU_INITIALIZE)
1695   {
1696     DrawCursorAndText_Main(choice, TRUE);
1697
1698     return;
1699   }
1700
1701   if (mx || my)         /* mouse input */
1702   {
1703     pos = -1;
1704
1705     for (i = 0; main_controls[i].nr != -1; i++)
1706     {
1707       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1708           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1709           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1710       {
1711         pos = main_controls[i].nr;
1712
1713         break;
1714       }
1715     }
1716   }
1717   else if (dx || dy)    /* keyboard input */
1718   {
1719     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1720                    choice == MAIN_CONTROL_SETUP))
1721       button = MB_MENU_CHOICE;
1722     else if (dy)
1723       pos = choice + dy;
1724   }
1725
1726   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1727   {
1728     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1729   }
1730   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1731   {
1732     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1733   }
1734   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1735   {
1736     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1737   }
1738   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1739   {
1740     game_status = GAME_MODE_LEVELNR;
1741
1742     ChangeViewportPropertiesIfNeeded();
1743
1744     DrawChooseLevelNr();
1745   }
1746   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1747   {
1748     if (button)
1749     {
1750       if (pos != choice)
1751       {
1752         PlaySound(SND_MENU_ITEM_ACTIVATING);
1753
1754         DrawCursorAndText_Main(choice, FALSE);
1755         DrawCursorAndText_Main(pos, TRUE);
1756
1757         choice = pos;
1758       }
1759     }
1760     else
1761     {
1762       PlaySound(SND_MENU_ITEM_SELECTING);
1763
1764       if (pos == MAIN_CONTROL_NAME)
1765       {
1766         game_status = GAME_MODE_PSEUDO_TYPENAME;
1767
1768         HandleTypeName(strlen(setup.player_name), 0);
1769       }
1770       else if (pos == MAIN_CONTROL_LEVELS)
1771       {
1772         if (leveldir_first)
1773         {
1774           game_status = GAME_MODE_LEVELS;
1775
1776           SaveLevelSetup_LastSeries();
1777           SaveLevelSetup_SeriesInfo();
1778
1779 #if defined(CREATE_SPECIAL_EDITION_RND_JUE)
1780           gotoTopLevelDir();
1781 #endif
1782
1783           ChangeViewportPropertiesIfNeeded();
1784
1785           DrawChooseLevelSet();
1786         }
1787       }
1788       else if (pos == MAIN_CONTROL_SCORES)
1789       {
1790         game_status = GAME_MODE_SCORES;
1791
1792         ChangeViewportPropertiesIfNeeded();
1793
1794         DrawHallOfFame(-1);
1795       }
1796       else if (pos == MAIN_CONTROL_EDITOR)
1797       {
1798         if (leveldir_current->readonly &&
1799             !strEqual(setup.player_name, "Artsoft"))
1800           Request("This level is read only!", REQ_CONFIRM);
1801
1802         CloseDoor(DOOR_CLOSE_2);
1803
1804         game_status = GAME_MODE_EDITOR;
1805
1806         FadeSetEnterScreen();
1807
1808         DrawLevelEd();
1809       }
1810       else if (pos == MAIN_CONTROL_INFO)
1811       {
1812         game_status = GAME_MODE_INFO;
1813         info_mode = INFO_MODE_MAIN;
1814
1815         ChangeViewportPropertiesIfNeeded();
1816
1817         DrawInfoScreen();
1818       }
1819       else if (pos == MAIN_CONTROL_GAME)
1820       {
1821         StartGameActions(options.network, setup.autorecord, level.random_seed);
1822       }
1823       else if (pos == MAIN_CONTROL_SETUP)
1824       {
1825         game_status = GAME_MODE_SETUP;
1826         setup_mode = SETUP_MODE_MAIN;
1827
1828         ChangeViewportPropertiesIfNeeded();
1829
1830         DrawSetupScreen();
1831       }
1832       else if (pos == MAIN_CONTROL_QUIT)
1833       {
1834         SaveLevelSetup_LastSeries();
1835         SaveLevelSetup_SeriesInfo();
1836
1837         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1838           game_status = GAME_MODE_QUIT;
1839       }
1840     }
1841   }
1842 }
1843
1844
1845 /* ========================================================================= */
1846 /* info screen functions                                                     */
1847 /* ========================================================================= */
1848
1849 static struct TokenInfo *info_info;
1850 static int num_info_info;
1851
1852 static void execInfoTitleScreen()
1853 {
1854   info_mode = INFO_MODE_TITLE;
1855
1856   DrawInfoScreen();
1857 }
1858
1859 static void execInfoElements()
1860 {
1861   info_mode = INFO_MODE_ELEMENTS;
1862
1863   DrawInfoScreen();
1864 }
1865
1866 static void execInfoMusic()
1867 {
1868   info_mode = INFO_MODE_MUSIC;
1869
1870   DrawInfoScreen();
1871 }
1872
1873 static void execInfoCredits()
1874 {
1875   info_mode = INFO_MODE_CREDITS;
1876
1877   DrawInfoScreen();
1878 }
1879
1880 static void execInfoProgram()
1881 {
1882   info_mode = INFO_MODE_PROGRAM;
1883
1884   DrawInfoScreen();
1885 }
1886
1887 static void execInfoVersion()
1888 {
1889   info_mode = INFO_MODE_VERSION;
1890
1891   DrawInfoScreen();
1892 }
1893
1894 static void execInfoLevelSet()
1895 {
1896   info_mode = INFO_MODE_LEVELSET;
1897
1898   DrawInfoScreen();
1899 }
1900
1901 static void execExitInfo()
1902 {
1903   game_status = GAME_MODE_MAIN;
1904
1905   DrawMainMenuExt(REDRAW_FIELD, FALSE);
1906 }
1907
1908 static struct TokenInfo info_info_main[] =
1909 {
1910   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
1911   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
1912   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
1913   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
1914   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
1915   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
1916   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
1917   { TYPE_EMPTY,         NULL,                   ""                      },
1918   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
1919
1920   { 0,                  NULL,                   NULL                    }
1921 };
1922
1923 static void DrawCursorAndText_Info(int pos, boolean active)
1924 {
1925   int xpos = MENU_SCREEN_START_XPOS;
1926   int ypos = MENU_SCREEN_START_YPOS + pos;
1927   int font_nr = FONT_MENU_1;
1928
1929   if (active)
1930     font_nr = FONT_ACTIVE(font_nr);
1931
1932   DrawText(mSX + xpos * 32, mSY + ypos * 32, info_info[pos].text, font_nr);
1933
1934   if (info_info[pos].type & ~TYPE_SKIP_ENTRY)
1935     drawCursor(pos, active);
1936 }
1937
1938 static void DrawInfoScreen_Main(int fade_mask, boolean do_fading)
1939 {
1940   int i;
1941
1942   UnmapAllGadgets();
1943   CloseDoor(DOOR_CLOSE_2);
1944
1945   /* (needed after displaying title screens which disable auto repeat) */
1946   KeyboardAutoRepeatOn();
1947
1948   FadeSetLeaveScreen();
1949
1950   FadeOut(fade_mask);
1951
1952   if (fade_mask == REDRAW_ALL)
1953   {
1954     RedrawBackground();
1955
1956     OpenDoor(DOOR_CLOSE_1 | DOOR_CLOSE_2 | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1957   }
1958
1959   ClearField();
1960
1961   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
1962
1963   info_info = info_info_main;
1964   num_info_info = 0;
1965
1966   for (i = 0; info_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1967   {
1968     if (info_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
1969       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
1970     else if (info_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
1971       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
1972     else if (info_info[i].type & ~TYPE_SKIP_ENTRY)
1973       initCursor(i, IMG_MENU_BUTTON);
1974
1975     DrawCursorAndText_Info(i, FALSE);
1976
1977     num_info_info++;
1978   }
1979
1980   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
1981
1982   PlayMenuSound();
1983   PlayMenuMusic();
1984
1985   DrawMaskedBorder(fade_mask);
1986
1987   FadeIn(fade_mask);
1988
1989   InitAnimation();
1990 }
1991
1992 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
1993 {
1994   static int choice_store[MAX_INFO_MODES];
1995   int choice = choice_store[info_mode];         /* always starts with 0 */
1996   int x = 0;
1997   int y = choice;
1998
1999   if (button == MB_MENU_INITIALIZE)
2000   {
2001     /* advance to first valid menu entry */
2002     while (choice < num_info_info &&
2003            info_info[choice].type & TYPE_SKIP_ENTRY)
2004       choice++;
2005     choice_store[info_mode] = choice;
2006
2007     DrawCursorAndText_Info(choice, TRUE);
2008
2009     return;
2010   }
2011   else if (button == MB_MENU_LEAVE)
2012   {
2013     for (y = 0; y < num_info_info; y++)
2014     {
2015       if (info_info[y].type & TYPE_LEAVE_MENU)
2016       {
2017         void (*menu_callback_function)(void) = info_info[y].value;
2018
2019         FadeSetLeaveMenu();
2020
2021         menu_callback_function();
2022
2023         break;  /* absolutely needed because function changes 'info_info'! */
2024       }
2025     }
2026
2027     return;
2028   }
2029
2030   if (mx || my)         /* mouse input */
2031   {
2032     x = (mx - mSX) / 32;
2033     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2034   }
2035   else if (dx || dy)    /* keyboard input */
2036   {
2037     if (dx)
2038     {
2039       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2040
2041       if (info_info[choice].type & menu_navigation_type ||
2042           info_info[choice].type & TYPE_ENTER_SCREEN ||
2043           info_info[choice].type & TYPE_BOOLEAN_STYLE ||
2044           info_info[choice].type & TYPE_YES_NO_AUTO)
2045         button = MB_MENU_CHOICE;
2046     }
2047     else if (dy)
2048       y = choice + dy;
2049
2050     /* jump to next non-empty menu entry (up or down) */
2051     while (y > 0 && y < num_info_info - 1 &&
2052            info_info[y].type & TYPE_SKIP_ENTRY)
2053       y += dy;
2054   }
2055
2056   if (IN_VIS_MENU(x, y) &&
2057       y >= 0 && y < num_info_info && info_info[y].type & ~TYPE_SKIP_ENTRY)
2058   {
2059     if (button)
2060     {
2061       if (y != choice)
2062       {
2063         PlaySound(SND_MENU_ITEM_ACTIVATING);
2064
2065         DrawCursorAndText_Info(choice, FALSE);
2066         DrawCursorAndText_Info(y, TRUE);
2067
2068         choice = choice_store[info_mode] = y;
2069       }
2070     }
2071     else if (!(info_info[y].type & TYPE_GHOSTED))
2072     {
2073       PlaySound(SND_MENU_ITEM_SELECTING);
2074
2075       if (info_info[y].type & TYPE_ENTER_OR_LEAVE)
2076       {
2077         void (*menu_callback_function)(void) = info_info[choice].value;
2078
2079         FadeSetFromType(info_info[y].type);
2080
2081         menu_callback_function();
2082       }
2083     }
2084   }
2085 }
2086
2087 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2088 {
2089   int ystart1 = mSY - SY + 100;
2090   int ystart2 = mSY - SY + 150;
2091   int ybottom = mSY - SY + SYSIZE - 20;
2092
2093   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
2094
2095   FadeOut(REDRAW_FIELD);
2096
2097   ClearField();
2098   DrawHeadline();
2099
2100   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2101   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2102
2103   DrawTextSCentered(ybottom, FONT_TEXT_4,
2104                     "Press any key or button for info menu");
2105
2106   FadeIn(REDRAW_FIELD);
2107 }
2108
2109 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2110 {
2111   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2112   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2113   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2114   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2115   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2116   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2117   int ystep = MENU_SCREEN_INFO_YSTEP;
2118   int element, action, direction;
2119   int graphic;
2120   int delay;
2121   int sync_frame;
2122   int i, j;
2123
2124   if (init)
2125   {
2126     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2127       infoscreen_step[i] = infoscreen_frame[i] = 0;
2128
2129     ClearField();
2130     DrawHeadline();
2131
2132     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2133
2134     DrawTextSCentered(ybottom, FONT_TEXT_4,
2135                       "Press any key or button for next page");
2136
2137     FrameCounter = 0;
2138   }
2139
2140   i = j = 0;
2141   while (helpanim_info[j].element != HELPANIM_LIST_END)
2142   {
2143     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2144         i >= max_anims)
2145       break;
2146     else if (i < start)
2147     {
2148       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2149         j++;
2150
2151       j++;
2152       i++;
2153
2154       continue;
2155     }
2156
2157     j += infoscreen_step[i - start];
2158
2159     element = helpanim_info[j].element;
2160     action = helpanim_info[j].action;
2161     direction = helpanim_info[j].direction;
2162
2163     if (element < 0)
2164       element = EL_UNKNOWN;
2165
2166     if (action != -1 && direction != -1)
2167       graphic = el_act_dir2img(element, action, direction);
2168     else if (action != -1)
2169       graphic = el_act2img(element, action);
2170     else if (direction != -1)
2171       graphic = el_dir2img(element, direction);
2172     else
2173       graphic = el2img(element);
2174
2175     delay = helpanim_info[j++].delay;
2176
2177     if (delay == -1)
2178       delay = 1000000;
2179
2180     if (infoscreen_frame[i - start] == 0)
2181     {
2182       sync_frame = 0;
2183       infoscreen_frame[i - start] = delay - 1;
2184     }
2185     else
2186     {
2187       sync_frame = delay - infoscreen_frame[i - start];
2188       infoscreen_frame[i - start]--;
2189     }
2190
2191     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2192     {
2193       if (!infoscreen_frame[i - start])
2194         infoscreen_step[i - start] = 0;
2195     }
2196     else
2197     {
2198       if (!infoscreen_frame[i - start])
2199         infoscreen_step[i - start]++;
2200       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2201         j++;
2202     }
2203
2204     j++;
2205
2206     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2207                                TILEX, TILEY);
2208     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2209                                  graphic, sync_frame, USE_MASKING);
2210
2211     if (init)
2212       DrawInfoScreen_HelpText(element, action, direction, i - start);
2213
2214     i++;
2215   }
2216
2217   redraw_mask |= REDRAW_FIELD;
2218
2219   FrameCounter++;
2220 }
2221
2222 static char *getHelpText(int element, int action, int direction)
2223 {
2224   char token[MAX_LINE_LEN];
2225
2226   strcpy(token, element_info[element].token_name);
2227
2228   if (action != -1)
2229     strcat(token, element_action_info[action].suffix);
2230
2231   if (direction != -1)
2232     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2233
2234   return getHashEntry(helptext_info, token);
2235 }
2236
2237 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2238 {
2239   int font_nr = FONT_INFO_ELEMENTS;
2240   int font_width = getFontWidth(font_nr);
2241   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2242   int sy = mSY + 65 + 2 * 32 + 1;
2243   int ystep = TILEY + 4;
2244   int pad_x = sx - SX;
2245   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2246   int max_lines_per_text = 2;
2247   char *text = NULL;
2248
2249   if (action != -1 && direction != -1)          /* element.action.direction */
2250     text = getHelpText(element, action, direction);
2251
2252   if (text == NULL && action != -1)             /* element.action */
2253     text = getHelpText(element, action, -1);
2254
2255   if (text == NULL && direction != -1)          /* element.direction */
2256     text = getHelpText(element, -1, direction);
2257
2258   if (text == NULL)                             /* base element */
2259     text = getHelpText(element, -1, -1);
2260
2261   if (text == NULL)                             /* not found */
2262     text = "No description available";
2263
2264   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2265     sy += getFontHeight(font_nr) / 2;
2266
2267   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2268                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2269                  TRUE, FALSE, FALSE);
2270 }
2271
2272 void DrawInfoScreen_TitleScreen()
2273 {
2274   DrawTitleScreen();
2275 }
2276
2277 void HandleInfoScreen_TitleScreen(int button)
2278 {
2279   HandleTitleScreen(0, 0, 0, 0, button);
2280 }
2281
2282 void DrawInfoScreen_Elements()
2283 {
2284   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2285
2286   FadeOut(REDRAW_FIELD);
2287
2288   LoadHelpAnimInfo();
2289   LoadHelpTextInfo();
2290
2291   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2292
2293   FadeIn(REDRAW_FIELD);
2294
2295   InitAnimation();
2296 }
2297
2298 void HandleInfoScreen_Elements(int button)
2299 {
2300   static unsigned int info_delay = 0;
2301   static int num_anims;
2302   static int num_pages;
2303   static int page;
2304   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2305   int i;
2306
2307   if (button == MB_MENU_INITIALIZE)
2308   {
2309     boolean new_element = TRUE;
2310
2311     num_anims = 0;
2312
2313     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2314     {
2315       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2316         new_element = TRUE;
2317       else if (new_element)
2318       {
2319         num_anims++;
2320         new_element = FALSE;
2321       }
2322     }
2323
2324     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2325     page = 0;
2326   }
2327
2328   if (button == MB_MENU_LEAVE)
2329   {
2330     PlaySound(SND_MENU_ITEM_SELECTING);
2331
2332     info_mode = INFO_MODE_MAIN;
2333     DrawInfoScreen();
2334
2335     return;
2336   }
2337   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2338   {
2339     if (button != MB_MENU_INITIALIZE)
2340     {
2341       PlaySound(SND_MENU_ITEM_SELECTING);
2342
2343       page++;
2344     }
2345
2346     if (page >= num_pages)
2347     {
2348       FadeSoundsAndMusic();
2349
2350       info_mode = INFO_MODE_MAIN;
2351       DrawAndFadeInInfoScreen(REDRAW_FIELD);
2352
2353       return;
2354     }
2355
2356     if (page > 0)
2357       FadeSetNextScreen();
2358
2359     if (button != MB_MENU_INITIALIZE)
2360       FadeOut(REDRAW_FIELD);
2361
2362     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2363
2364     if (button != MB_MENU_INITIALIZE)
2365       FadeIn(REDRAW_FIELD);
2366   }
2367   else
2368   {
2369     if (DelayReached(&info_delay, GameFrameDelay))
2370       if (page < num_pages)
2371         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2372
2373     PlayMenuSoundIfLoop();
2374   }
2375 }
2376
2377 void DrawInfoScreen_Music()
2378 {
2379   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2380
2381   FadeOut(REDRAW_FIELD);
2382
2383   ClearField();
2384   DrawHeadline();
2385
2386   LoadMusicInfo();
2387
2388   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2389
2390   FadeIn(REDRAW_FIELD);
2391 }
2392
2393 void HandleInfoScreen_Music(int button)
2394 {
2395   static struct MusicFileInfo *list = NULL;
2396   int ystart1 = mSY - SY + 100;
2397   int ystart2 = mSY - SY + 150;
2398   int ybottom = mSY - SY + SYSIZE - 20;
2399   int dy = 30;
2400
2401   if (button == MB_MENU_INITIALIZE)
2402   {
2403     list = music_file_info;
2404
2405     if (list == NULL)
2406     {
2407       FadeSoundsAndMusic();
2408
2409       ClearField();
2410       DrawHeadline();
2411
2412       DrawTextSCentered(ystart1, FONT_TEXT_1,
2413                         "No music info for this level set.");
2414
2415       DrawTextSCentered(ybottom, FONT_TEXT_4,
2416                         "Press any key or button for info menu");
2417
2418       return;
2419     }
2420   }
2421
2422   if (button == MB_MENU_LEAVE)
2423   {
2424     PlaySound(SND_MENU_ITEM_SELECTING);
2425
2426     FadeSoundsAndMusic();
2427
2428     info_mode = INFO_MODE_MAIN;
2429     DrawInfoScreen();
2430
2431     return;
2432   }
2433   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2434   {
2435     int y = 0;
2436
2437     if (button != MB_MENU_INITIALIZE)
2438     {
2439       PlaySound(SND_MENU_ITEM_SELECTING);
2440
2441       if (list != NULL)
2442         list = list->next;
2443     }
2444
2445     if (list == NULL)
2446     {
2447       FadeSoundsAndMusic();
2448
2449       info_mode = INFO_MODE_MAIN;
2450       DrawAndFadeInInfoScreen(REDRAW_FIELD);
2451
2452       return;
2453     }
2454
2455     FadeSoundsAndMusic();
2456
2457     if (list != music_file_info)
2458       FadeSetNextScreen();
2459
2460     if (button != MB_MENU_INITIALIZE)
2461       FadeOut(REDRAW_FIELD);
2462
2463     ClearField();
2464     DrawHeadline();
2465
2466     if (list->is_sound)
2467     {
2468       int sound = list->music;
2469
2470       if (sound_info[sound].loop)
2471         PlaySoundLoop(sound);
2472       else
2473         PlaySound(sound);
2474
2475       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2476     }
2477     else
2478     {
2479       PlayMusic(list->music);
2480
2481       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2482     }
2483
2484     if (!strEqual(list->title, UNKNOWN_NAME))
2485     {
2486       if (!strEqual(list->title_header, UNKNOWN_NAME))
2487         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2488
2489       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2490     }
2491
2492     if (!strEqual(list->artist, UNKNOWN_NAME))
2493     {
2494       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2495         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2496       else
2497         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2498
2499       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2500     }
2501
2502     if (!strEqual(list->album, UNKNOWN_NAME))
2503     {
2504       if (!strEqual(list->album_header, UNKNOWN_NAME))
2505         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2506       else
2507         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2508
2509       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2510     }
2511
2512     if (!strEqual(list->year, UNKNOWN_NAME))
2513     {
2514       if (!strEqual(list->year_header, UNKNOWN_NAME))
2515         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2516       else
2517         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2518
2519       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2520     }
2521
2522     DrawTextSCentered(ybottom, FONT_TEXT_4,
2523                       "Press any key or button for next page");
2524
2525     if (button != MB_MENU_INITIALIZE)
2526       FadeIn(REDRAW_FIELD);
2527   }
2528
2529   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2530     PlaySoundLoop(list->music);
2531 }
2532
2533 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2534 {
2535   int ystart1 = mSY - SY + 100;
2536   int ystart2 = mSY - SY + 150;
2537   int ybottom = mSY - SY + SYSIZE - 20;
2538   int ystep = 30;
2539
2540   ClearField();
2541   DrawHeadline();
2542
2543   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2544
2545   if (screen_nr == 0)
2546   {
2547     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2548                       "Special thanks to");
2549     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2550                       "Peter Liepa");
2551     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2552                       "for creating");
2553     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2554                       "\"Boulder Dash\"");
2555     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2556                       "in the year");
2557     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2558                       "1984");
2559     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2560                       "published by");
2561     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2562                       "First Star Software");
2563   }
2564   else if (screen_nr == 1)
2565   {
2566     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2567                       "Special thanks to");
2568     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2569                       "Klaus Heinz & Volker Wertich");
2570     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2571                       "for creating");
2572     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2573                       "\"Emerald Mine\"");
2574     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2575                       "in the year");
2576     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2577                       "1987");
2578     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2579                       "published by");
2580     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2581                       "Kingsoft");
2582   }
2583   else if (screen_nr == 2)
2584   {
2585     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2586                       "Special thanks to");
2587     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2588                       "Michael Stopp & Philip Jespersen");
2589     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2590                       "for creating");
2591     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2592                       "\"Supaplex\"");
2593     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2594                       "in the year");
2595     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2596                       "1991");
2597     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2598                       "published by");
2599     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2600                       "Digital Integration");
2601   }
2602   else if (screen_nr == 3)
2603   {
2604     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2605                       "Special thanks to");
2606     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2607                       "Hiroyuki Imabayashi");
2608     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2609                       "for creating");
2610     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2611                       "\"Sokoban\"");
2612     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2613                       "in the year");
2614     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2615                       "1982");
2616     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2617                       "published by");
2618     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2619                       "Thinking Rabbit");
2620   }
2621   else if (screen_nr == 4)
2622   {
2623     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2624                       "Special thanks to");
2625     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2626                       "Alan Bond");
2627     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2628                       "and");
2629     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2630                       "J\xfcrgen Bonhagen");
2631     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2632                       "for the continuous creation");
2633     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
2634                       "of outstanding level sets");
2635   }
2636   else if (screen_nr == 5)
2637   {
2638     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2639                       "Thanks to");
2640     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2641                       "Peter Elzner");
2642     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2643                       "for ideas and inspiration by");
2644     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2645                       "Diamond Caves");
2646
2647     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
2648                       "Thanks to");
2649     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
2650                       "Steffest");
2651     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
2652                       "for ideas and inspiration by");
2653     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
2654                       "DX-Boulderdash");
2655   }
2656   else if (screen_nr == 6)
2657   {
2658     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2659                       "Thanks to");
2660     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2661                       "David Tritscher");
2662 #if 1
2663     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2664                       "for the code base used for the");
2665     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
2666                       "native Emerald Mine engine");
2667 #else
2668     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2669                       "for the new Emerald Mine engine");
2670 #endif
2671   }
2672   else if (screen_nr == 7)
2673   {
2674     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2675                       "Thanks to");
2676     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2677                       "Guido Schulz");
2678     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2679                       "for the initial DOS port");
2680
2681     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2682                       "Thanks to");
2683     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2684                       "Karl H\xf6rnell");
2685     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2686                       "for some additional toons");
2687   }
2688   else if (screen_nr == 8)
2689   {
2690     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2691                       "And not to forget:");
2692     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
2693                       "Many thanks to");
2694     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
2695                       "All those who contributed");
2696     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2697                       "levels to this game");
2698     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
2699                       "since 1995");
2700   }
2701
2702   DrawTextSCentered(ybottom, FONT_TEXT_4,
2703                     "Press any key or button for next page");
2704 }
2705
2706 void DrawInfoScreen_Credits()
2707 {
2708   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
2709
2710   FadeSoundsAndMusic();
2711
2712   FadeOut(REDRAW_FIELD);
2713
2714   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
2715
2716   FadeIn(REDRAW_FIELD);
2717 }
2718
2719 void HandleInfoScreen_Credits(int button)
2720 {
2721   static int screen_nr = 0;
2722   int num_screens = 9;
2723
2724   if (button == MB_MENU_INITIALIZE)
2725   {
2726     screen_nr = 0;
2727
2728     // DrawInfoScreen_CreditsScreen(screen_nr);
2729   }
2730
2731   if (button == MB_MENU_LEAVE)
2732   {
2733     PlaySound(SND_MENU_ITEM_SELECTING);
2734
2735     info_mode = INFO_MODE_MAIN;
2736     DrawInfoScreen();
2737
2738     return;
2739   }
2740   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2741   {
2742     if (button != MB_MENU_INITIALIZE)
2743     {
2744       PlaySound(SND_MENU_ITEM_SELECTING);
2745
2746       screen_nr++;
2747     }
2748
2749     if (screen_nr >= num_screens)
2750     {
2751       FadeSoundsAndMusic();
2752
2753       info_mode = INFO_MODE_MAIN;
2754       DrawAndFadeInInfoScreen(REDRAW_FIELD);
2755
2756       return;
2757     }
2758
2759     if (screen_nr > 0)
2760       FadeSetNextScreen();
2761
2762     if (button != MB_MENU_INITIALIZE)
2763       FadeOut(REDRAW_FIELD);
2764
2765     DrawInfoScreen_CreditsScreen(screen_nr);
2766
2767     if (button != MB_MENU_INITIALIZE)
2768       FadeIn(REDRAW_FIELD);
2769   }
2770   else
2771   {
2772     PlayMenuSoundIfLoop();
2773   }
2774 }
2775
2776 void DrawInfoScreen_Program()
2777 {
2778   int ystart1 = mSY - SY + 100;
2779   int ystart2 = mSY - SY + 150;
2780   int ybottom = mSY - SY + SYSIZE - 20;
2781   int ystep = 30;
2782
2783   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
2784
2785   FadeOut(REDRAW_FIELD);
2786
2787   ClearField();
2788   DrawHeadline();
2789
2790   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
2791
2792   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2793                     "This game is Freeware!");
2794   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
2795                     "If you like it, send e-mail to:");
2796   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
2797                     PROGRAM_EMAIL_STRING);
2798   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2799                     "More information and levels:");
2800   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2801                     PROGRAM_WEBSITE_STRING);
2802   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
2803                     "If you have created new levels,");
2804   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
2805                     "send them to me to include them!");
2806   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
2807                     ":-)");
2808
2809   DrawTextSCentered(ybottom, FONT_TEXT_4,
2810                     "Press any key or button for info menu");
2811
2812   FadeIn(REDRAW_FIELD);
2813 }
2814
2815 void HandleInfoScreen_Program(int button)
2816 {
2817   if (button == MB_MENU_LEAVE)
2818   {
2819     PlaySound(SND_MENU_ITEM_SELECTING);
2820
2821     info_mode = INFO_MODE_MAIN;
2822     DrawInfoScreen();
2823
2824     return;
2825   }
2826   else if (button == MB_MENU_CHOICE)
2827   {
2828     PlaySound(SND_MENU_ITEM_SELECTING);
2829
2830     FadeSoundsAndMusic();
2831
2832     info_mode = INFO_MODE_MAIN;
2833     DrawAndFadeInInfoScreen(REDRAW_FIELD);
2834   }
2835   else
2836   {
2837     PlayMenuSoundIfLoop();
2838   }
2839 }
2840
2841 void DrawInfoScreen_Version()
2842 {
2843   int font_header = FONT_TEXT_3;
2844   int font_text = FONT_TEXT_2;
2845   int xstep = getFontWidth(font_text);
2846   int ystep = getFontHeight(font_text);
2847   int ystart1 = mSY - SY + 100;
2848   int ystart2 = mSY - SY + 150;
2849   int ybottom = mSY - SY + SYSIZE - 20;
2850   int xstart1 = mSX - SX + 2 * xstep;
2851   int xstart2 = mSX - SX + 18 * xstep;
2852   int xstart3 = mSX - SX + 28 * xstep;
2853   SDL_version sdl_version_compiled;
2854   const SDL_version *sdl_version_linked;
2855   int driver_name_len = 10;
2856 #if defined(TARGET_SDL2)
2857   SDL_version sdl_version_linked_ext;
2858   const char *driver_name = NULL;
2859 #else
2860   char driver_name[driver_name_len];
2861 #endif
2862
2863   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
2864
2865   FadeOut(REDRAW_FIELD);
2866
2867   ClearField();
2868   DrawHeadline();
2869
2870   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
2871
2872   DrawTextF(xstart1, ystart2, font_header, "Name");
2873   DrawTextF(xstart2, ystart2, font_text, PROGRAM_TITLE_STRING);
2874
2875   ystart2 += ystep;
2876   DrawTextF(xstart1, ystart2, font_header, "Version");
2877   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
2878
2879   ystart2 += ystep;
2880   DrawTextF(xstart1, ystart2, font_header, "Platform");
2881   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
2882
2883   ystart2 += ystep;
2884   DrawTextF(xstart1, ystart2, font_header, "Target");
2885   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
2886
2887   ystart2 += ystep;
2888   DrawTextF(xstart1, ystart2, font_header, "Compile time");
2889   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
2890
2891   ystart2 += 3 * ystep;
2892   DrawTextF(xstart1, ystart2, font_header, "Library");
2893   DrawTextF(xstart2, ystart2, font_header, "compiled");
2894   DrawTextF(xstart3, ystart2, font_header, "linked");
2895
2896   SDL_VERSION(&sdl_version_compiled);
2897 #if defined(TARGET_SDL2)
2898   SDL_GetVersion(&sdl_version_linked_ext);
2899   sdl_version_linked = &sdl_version_linked_ext;
2900 #else
2901   sdl_version_linked = SDL_Linked_Version();
2902 #endif
2903
2904   ystart2 += 2 * ystep;
2905   DrawTextF(xstart1, ystart2, font_text, "SDL");
2906   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
2907             sdl_version_compiled.major,
2908             sdl_version_compiled.minor,
2909             sdl_version_compiled.patch);
2910   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
2911             sdl_version_linked->major,
2912             sdl_version_linked->minor,
2913             sdl_version_linked->patch);
2914
2915   SDL_IMAGE_VERSION(&sdl_version_compiled);
2916   sdl_version_linked = IMG_Linked_Version();
2917
2918   ystart2 += ystep;
2919   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
2920   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
2921             sdl_version_compiled.major,
2922             sdl_version_compiled.minor,
2923             sdl_version_compiled.patch);
2924   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
2925             sdl_version_linked->major,
2926             sdl_version_linked->minor,
2927             sdl_version_linked->patch);
2928
2929   SDL_MIXER_VERSION(&sdl_version_compiled);
2930   sdl_version_linked = Mix_Linked_Version();
2931
2932   ystart2 += ystep;
2933   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
2934   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
2935             sdl_version_compiled.major,
2936             sdl_version_compiled.minor,
2937             sdl_version_compiled.patch);
2938   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
2939             sdl_version_linked->major,
2940             sdl_version_linked->minor,
2941             sdl_version_linked->patch);
2942
2943   SDL_NET_VERSION(&sdl_version_compiled);
2944   sdl_version_linked = SDLNet_Linked_Version();
2945
2946   ystart2 += ystep;
2947   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
2948   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
2949             sdl_version_compiled.major,
2950             sdl_version_compiled.minor,
2951             sdl_version_compiled.patch);
2952   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
2953             sdl_version_linked->major,
2954             sdl_version_linked->minor,
2955             sdl_version_linked->patch);
2956
2957   ystart2 += 3 * ystep;
2958   DrawTextF(xstart1, ystart2, font_header, "Driver");
2959   DrawTextF(xstart2, ystart2, font_header, "Requested");
2960   DrawTextF(xstart3, ystart2, font_header, "Used");
2961
2962 #if defined(TARGET_SDL2)
2963   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
2964 #else
2965   SDL_VideoDriverName(driver_name, driver_name_len);
2966 #endif
2967
2968   ystart2 += 2 * ystep;
2969   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
2970   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
2971   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
2972
2973 #if defined(TARGET_SDL2)
2974   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
2975 #else
2976   SDL_AudioDriverName(driver_name, driver_name_len);
2977 #endif
2978
2979   ystart2 += ystep;
2980   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
2981   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
2982   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
2983
2984   DrawTextSCentered(ybottom, FONT_TEXT_4,
2985                     "Press any key or button for info menu");
2986
2987   FadeIn(REDRAW_FIELD);
2988 }
2989
2990 void HandleInfoScreen_Version(int button)
2991 {
2992   if (button == MB_MENU_LEAVE)
2993   {
2994     PlaySound(SND_MENU_ITEM_SELECTING);
2995
2996     info_mode = INFO_MODE_MAIN;
2997     DrawInfoScreen();
2998
2999     return;
3000   }
3001   else if (button == MB_MENU_CHOICE)
3002   {
3003     PlaySound(SND_MENU_ITEM_SELECTING);
3004
3005     FadeSoundsAndMusic();
3006
3007     info_mode = INFO_MODE_MAIN;
3008     DrawAndFadeInInfoScreen(REDRAW_FIELD);
3009   }
3010   else
3011   {
3012     PlayMenuSoundIfLoop();
3013   }
3014 }
3015
3016 void DrawInfoScreen_LevelSet()
3017 {
3018   struct TitleMessageInfo *tmi = &readme;
3019   char *filename = getLevelSetInfoFilename();
3020
3021   /* if chars set to "-1", automatically determine by text and font width */
3022   if (tmi->chars == -1)
3023     tmi->chars = tmi->width / getFontWidth(tmi->font);
3024   else
3025     tmi->width = tmi->chars * getFontWidth(tmi->font);
3026
3027   /* if lines set to "-1", automatically determine by text and font height */
3028   if (tmi->lines == -1)
3029     tmi->lines = tmi->height / getFontHeight(tmi->font);
3030   else
3031     tmi->height = tmi->lines * getFontHeight(tmi->font);
3032
3033   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3034
3035   FadeOut(REDRAW_FIELD);
3036
3037   ClearField();
3038   DrawHeadline();
3039
3040   DrawTextCentered(mSY + 100, FONT_TEXT_1, "Level Set Information:");
3041
3042   if (filename != NULL)
3043     DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3044                  filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3045                  tmi->autowrap, tmi->centered, tmi->parse_comments);
3046   else
3047     DrawTextCentered(mSY + ALIGNED_TEXT_YPOS(tmi), FONT_TEXT_2,
3048                      "No information for this level set.");
3049
3050   DrawTextCentered(mSY + SYSIZE - 20, FONT_TEXT_4,
3051                    "Press any key or button for info menu");
3052
3053   FadeIn(REDRAW_FIELD);
3054 }
3055
3056 void HandleInfoScreen_LevelSet(int button)
3057 {
3058   if (button == MB_MENU_LEAVE)
3059   {
3060     PlaySound(SND_MENU_ITEM_SELECTING);
3061
3062     info_mode = INFO_MODE_MAIN;
3063     DrawInfoScreen();
3064
3065     return;
3066   }
3067   else if (button == MB_MENU_CHOICE)
3068   {
3069     PlaySound(SND_MENU_ITEM_SELECTING);
3070
3071     FadeSoundsAndMusic();
3072
3073     info_mode = INFO_MODE_MAIN;
3074     DrawAndFadeInInfoScreen(REDRAW_FIELD);
3075   }
3076   else
3077   {
3078     PlayMenuSoundIfLoop();
3079   }
3080 }
3081
3082 static void DrawInfoScreenExt(int fade_mask, boolean do_fading)
3083 {
3084   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3085
3086   if (info_mode == INFO_MODE_TITLE)
3087     DrawInfoScreen_TitleScreen();
3088   else if (info_mode == INFO_MODE_ELEMENTS)
3089     DrawInfoScreen_Elements();
3090   else if (info_mode == INFO_MODE_MUSIC)
3091     DrawInfoScreen_Music();
3092   else if (info_mode == INFO_MODE_CREDITS)
3093     DrawInfoScreen_Credits();
3094   else if (info_mode == INFO_MODE_PROGRAM)
3095     DrawInfoScreen_Program();
3096   else if (info_mode == INFO_MODE_VERSION)
3097     DrawInfoScreen_Version();
3098   else if (info_mode == INFO_MODE_LEVELSET)
3099     DrawInfoScreen_LevelSet();
3100   else
3101     DrawInfoScreen_Main(fade_mask, do_fading);
3102
3103   if (info_mode != INFO_MODE_MAIN &&
3104       info_mode != INFO_MODE_TITLE &&
3105       info_mode != INFO_MODE_MUSIC)
3106   {
3107     PlayMenuSound();
3108     PlayMenuMusic();
3109   }
3110 }
3111
3112 void DrawAndFadeInInfoScreen(int fade_mask)
3113 {
3114   DrawInfoScreenExt(fade_mask, TRUE);
3115 }
3116
3117 void DrawInfoScreen()
3118 {
3119   DrawInfoScreenExt(REDRAW_FIELD, FALSE);
3120 }
3121
3122 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3123 {
3124   if (info_mode == INFO_MODE_TITLE)
3125     HandleInfoScreen_TitleScreen(button);
3126   else if (info_mode == INFO_MODE_ELEMENTS)
3127     HandleInfoScreen_Elements(button);
3128   else if (info_mode == INFO_MODE_MUSIC)
3129     HandleInfoScreen_Music(button);
3130   else if (info_mode == INFO_MODE_CREDITS)
3131     HandleInfoScreen_Credits(button);
3132   else if (info_mode == INFO_MODE_PROGRAM)
3133     HandleInfoScreen_Program(button);
3134   else if (info_mode == INFO_MODE_VERSION)
3135     HandleInfoScreen_Version(button);
3136   else if (info_mode == INFO_MODE_LEVELSET)
3137     HandleInfoScreen_LevelSet(button);
3138   else
3139     HandleInfoScreen_Main(mx, my, dx, dy, button);
3140 }
3141
3142
3143 /* ========================================================================= */
3144 /* type name functions                                                       */
3145 /* ========================================================================= */
3146
3147 void HandleTypeName(int newxpos, Key key)
3148 {
3149   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3150   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3151   struct TextPosInfo *pos = mci->pos_input;
3152   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3153   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3154   static int xpos = 0;
3155   int font_nr = pos->font;
3156   int font_active_nr = FONT_ACTIVE(font_nr);
3157   int font_width = getFontWidth(font_active_nr);
3158   char key_char = getValidConfigValueChar(getCharFromKey(key));
3159   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3160   boolean is_active = TRUE;
3161
3162   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3163
3164   if (newxpos)
3165   {
3166     strcpy(last_player_name, setup.player_name);
3167
3168     xpos = newxpos;
3169
3170 #if defined(TARGET_SDL2)
3171     SDL_StartTextInput();
3172 #endif
3173   }
3174   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3175   {
3176     setup.player_name[xpos] = key_char;
3177     setup.player_name[xpos + 1] = 0;
3178
3179     xpos++;
3180   }
3181   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3182   {
3183     xpos--;
3184
3185     setup.player_name[xpos] = 0;
3186   }
3187   else if (key == KSYM_Return && xpos > 0)
3188   {
3189     SaveSetup();
3190
3191     is_active = FALSE;
3192
3193     game_status = GAME_MODE_MAIN;
3194   }
3195   else if (key == KSYM_Escape)
3196   {
3197     strcpy(setup.player_name, last_player_name);
3198
3199     is_active = FALSE;
3200
3201     game_status = GAME_MODE_MAIN;
3202   }
3203
3204   if (is_active)
3205   {
3206     pos->width = (strlen(setup.player_name) + 1) * font_width;
3207     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3208
3209     DrawText(startx, starty, setup.player_name, font_active_nr);
3210     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3211   }
3212   else
3213   {
3214     pos->width = strlen(setup.player_name) * font_width;
3215     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3216
3217     DrawText(startx, starty, setup.player_name, font_nr);
3218
3219 #if defined(TARGET_SDL2)
3220     SDL_StopTextInput();
3221 #endif
3222   }
3223 }
3224
3225
3226 /* ========================================================================= */
3227 /* tree menu functions                                                       */
3228 /* ========================================================================= */
3229
3230 static void DrawChooseTree(TreeInfo **ti_ptr)
3231 {
3232   UnmapAllGadgets();
3233
3234   FreeScreenGadgets();
3235   CreateScreenGadgets();
3236
3237   CloseDoor(DOOR_CLOSE_2);
3238
3239   FadeOut(REDRAW_FIELD);
3240
3241   ClearField();
3242
3243   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3244   MapScreenTreeGadgets(*ti_ptr);
3245
3246   FadeIn(REDRAW_FIELD);
3247
3248   InitAnimation();
3249 }
3250
3251 static void AdjustScrollbar(int id, int items_max, int items_visible,
3252                             int item_position)
3253 {
3254   struct GadgetInfo *gi = screen_gadget[id];
3255
3256   if (item_position > items_max - items_visible)
3257     item_position = items_max - items_visible;
3258
3259   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3260                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3261                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3262 }
3263
3264 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
3265 {
3266   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
3267                   first_entry);
3268 }
3269
3270 static void clearMenuListArea()
3271 {
3272   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3273
3274   /* correct scrollbar position if placed outside menu (playfield) area */
3275   if (scrollbar_xpos > SC_SCROLLBAR_XPOS)
3276     scrollbar_xpos = SC_SCROLLBAR_XPOS;
3277
3278   /* clear menu list area, but not title or scrollbar */
3279   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
3280                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
3281 }
3282
3283 static void drawChooseTreeList(int first_entry, int num_page_entries,
3284                                TreeInfo *ti)
3285 {
3286   int i;
3287   char *title_string = NULL;
3288   int yoffset_sets = MENU_TITLE1_YPOS;
3289   int yoffset_setup = 16;
3290   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3291                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3292   int last_game_status = game_status;   /* save current game status */
3293
3294   title_string = ti->infotext;
3295
3296   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3297
3298   clearMenuListArea();
3299
3300   for (i = 0; i < num_page_entries; i++)
3301   {
3302     TreeInfo *node, *node_first;
3303     int entry_pos = first_entry + i;
3304     int xpos = MENU_SCREEN_START_XPOS;
3305     int ypos = MENU_SCREEN_START_YPOS + i;
3306     int startx = mSX + xpos * 32;
3307     int starty = mSY + ypos * 32;
3308     int font_nr = FONT_TEXT_1;
3309     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3310     int startx_text = startx + font_xoffset;
3311     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3312     int text_size = startx_scrollbar - startx_text;
3313     int max_buffer_len = text_size / getFontWidth(font_nr);
3314     char buffer[max_buffer_len + 1];
3315
3316     node_first = getTreeInfoFirstGroupEntry(ti);
3317     node = getTreeInfoFromPos(node_first, entry_pos);
3318
3319     strncpy(buffer, node->name, max_buffer_len);
3320     buffer[max_buffer_len] = '\0';
3321
3322     DrawText(startx, starty, buffer, font_nr + node->color);
3323
3324     if (node->parent_link)
3325       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3326     else if (node->level_group)
3327       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3328     else
3329       initCursor(i, IMG_MENU_BUTTON);
3330   }
3331
3332   game_status = last_game_status;       /* restore current game status */
3333
3334   redraw_mask |= REDRAW_FIELD;
3335 }
3336
3337 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3338 {
3339   TreeInfo *node, *node_first;
3340   int x, last_redraw_mask = redraw_mask;
3341   int ypos = MENU_TITLE2_YPOS;
3342   int font_nr = FONT_TITLE_2;
3343
3344   if (ti->type == TREE_TYPE_LEVEL_NR)
3345     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3346
3347   if (ti->type != TREE_TYPE_LEVEL_DIR)
3348     return;
3349
3350   node_first = getTreeInfoFirstGroupEntry(ti);
3351   node = getTreeInfoFromPos(node_first, entry_pos);
3352
3353   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3354
3355   if (node->parent_link)
3356     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3357                       node->node_parent->name);
3358   else if (node->level_group)
3359     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3360                       node->name);
3361   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3362     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3363                       node->levels, (node->levels > 1 ? "levels" : "level"),
3364                       node->class_desc);
3365
3366   /* let BackToFront() redraw only what is needed */
3367   redraw_mask = last_redraw_mask | REDRAW_TILES;
3368   for (x = 0; x < SCR_FIELDX; x++)
3369     MarkTileDirty(x, 1);
3370 }
3371
3372 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3373                              TreeInfo **ti_ptr)
3374 {
3375   TreeInfo *ti = *ti_ptr;
3376   int x = 0;
3377   int y = ti->cl_cursor;
3378   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3379   int num_entries = numTreeInfoInGroup(ti);
3380   int num_page_entries;
3381   int last_game_status = game_status;   /* save current game status */
3382   boolean position_set_by_scrollbar = (dx == 999);
3383
3384   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3385     num_page_entries = num_entries;
3386   else
3387     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3388
3389   game_status = last_game_status;       /* restore current game status */
3390
3391   if (button == MB_MENU_INITIALIZE)
3392   {
3393     int num_entries = numTreeInfoInGroup(ti);
3394     int entry_pos = posTreeInfo(ti);
3395
3396     if (ti->cl_first == -1)
3397     {
3398       /* only on initialization */
3399       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3400       ti->cl_cursor = entry_pos - ti->cl_first;
3401     }
3402     else if (ti->cl_cursor >= num_page_entries ||
3403              (num_entries > num_page_entries &&
3404               num_entries - ti->cl_first < num_page_entries))
3405     {
3406       /* only after change of list size (by custom graphic configuration) */
3407       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3408       ti->cl_cursor = entry_pos - ti->cl_first;
3409     }
3410
3411     if (position_set_by_scrollbar)
3412       ti->cl_first = dy;
3413     else
3414       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3415                                 ti->cl_first, ti);
3416
3417     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3418     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3419     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3420
3421     return;
3422   }
3423   else if (button == MB_MENU_LEAVE)
3424   {
3425     FadeSetLeaveMenu();
3426
3427     PlaySound(SND_MENU_ITEM_SELECTING);
3428
3429     if (ti->node_parent)
3430     {
3431       *ti_ptr = ti->node_parent;
3432       DrawChooseTree(ti_ptr);
3433     }
3434     else if (game_status == GAME_MODE_SETUP)
3435     {
3436       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3437           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
3438         execSetupGame();
3439       else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
3440                setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3441                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
3442         execSetupGraphics();
3443       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3444                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3445                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3446         execSetupSound();
3447       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3448                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3449                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3450         execSetupTouch();
3451       else
3452         execSetupArtwork();
3453     }
3454     else
3455     {
3456       if (game_status == GAME_MODE_LEVELNR)
3457       {
3458         int new_level_nr = atoi(level_number_current->identifier);
3459
3460         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3461       }
3462
3463       game_status = GAME_MODE_MAIN;
3464
3465       DrawMainMenuExt(REDRAW_FIELD, FALSE);
3466     }
3467
3468     return;
3469   }
3470
3471   if (mx || my)         /* mouse input */
3472   {
3473     int last_game_status = game_status; /* save current game status */
3474
3475     x = (mx - mSX) / 32;
3476     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3477
3478     game_status = last_game_status;     /* restore current game status */
3479   }
3480   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3481   {
3482     /* move cursor instead of scrolling when already at start/end of list */
3483     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3484       dy = -1;
3485     else if (dy == +1 * SCROLL_LINE &&
3486              ti->cl_first + num_page_entries == num_entries)
3487       dy = 1;
3488
3489     /* handle scrolling screen one line or page */
3490     if (ti->cl_cursor + dy < 0 ||
3491         ti->cl_cursor + dy > num_page_entries - 1)
3492     {
3493       boolean redraw = FALSE;
3494
3495       if (ABS(dy) == SCROLL_PAGE)
3496         step = num_page_entries - 1;
3497
3498       if (dy < 0 && ti->cl_first > 0)
3499       {
3500         /* scroll page/line up */
3501
3502         ti->cl_first -= step;
3503         if (ti->cl_first < 0)
3504           ti->cl_first = 0;
3505
3506         redraw = TRUE;
3507       }
3508       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3509       {
3510         /* scroll page/line down */
3511
3512         ti->cl_first += step;
3513         if (ti->cl_first + num_page_entries > num_entries)
3514           ti->cl_first = MAX(0, num_entries - num_page_entries);
3515
3516         redraw = TRUE;
3517       }
3518
3519       if (redraw)
3520       {
3521         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3522         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3523         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3524
3525         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3526                                   ti->cl_first, ti);
3527       }
3528
3529
3530       return;
3531     }
3532
3533     /* handle moving cursor one line */
3534     y = ti->cl_cursor + dy;
3535   }
3536
3537   if (dx == 1)
3538   {
3539     TreeInfo *node_first, *node_cursor;
3540     int entry_pos = ti->cl_first + y;
3541
3542     node_first = getTreeInfoFirstGroupEntry(ti);
3543     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3544
3545     if (node_cursor->node_group)
3546     {
3547       FadeSetEnterMenu();
3548
3549       PlaySound(SND_MENU_ITEM_SELECTING);
3550
3551       node_cursor->cl_first = ti->cl_first;
3552       node_cursor->cl_cursor = ti->cl_cursor;
3553       *ti_ptr = node_cursor->node_group;
3554       DrawChooseTree(ti_ptr);
3555
3556       return;
3557     }
3558   }
3559   else if (dx == -1 && ti->node_parent)
3560   {
3561     FadeSetLeaveMenu();
3562
3563     PlaySound(SND_MENU_ITEM_SELECTING);
3564
3565     *ti_ptr = ti->node_parent;
3566     DrawChooseTree(ti_ptr);
3567
3568     return;
3569   }
3570
3571   if (!anyScrollbarGadgetActive() &&
3572       IN_VIS_MENU(x, y) &&
3573       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3574       y >= 0 && y < num_page_entries)
3575   {
3576     if (button)
3577     {
3578       if (y != ti->cl_cursor)
3579       {
3580         PlaySound(SND_MENU_ITEM_ACTIVATING);
3581
3582         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3583         drawChooseTreeCursor(y, TRUE);
3584         drawChooseTreeInfo(ti->cl_first + y, ti);
3585
3586         ti->cl_cursor = y;
3587       }
3588     }
3589     else
3590     {
3591       TreeInfo *node_first, *node_cursor;
3592       int entry_pos = ti->cl_first + y;
3593
3594       PlaySound(SND_MENU_ITEM_SELECTING);
3595
3596       node_first = getTreeInfoFirstGroupEntry(ti);
3597       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3598
3599       if (node_cursor->node_group)
3600       {
3601         FadeSetEnterMenu();
3602
3603         node_cursor->cl_first = ti->cl_first;
3604         node_cursor->cl_cursor = ti->cl_cursor;
3605         *ti_ptr = node_cursor->node_group;
3606         DrawChooseTree(ti_ptr);
3607       }
3608       else if (node_cursor->parent_link)
3609       {
3610         FadeSetLeaveMenu();
3611
3612         *ti_ptr = node_cursor->node_parent;
3613         DrawChooseTree(ti_ptr);
3614       }
3615       else
3616       {
3617         FadeSetEnterMenu();
3618
3619         node_cursor->cl_first = ti->cl_first;
3620         node_cursor->cl_cursor = ti->cl_cursor;
3621         *ti_ptr = node_cursor;
3622
3623         if (ti->type == TREE_TYPE_LEVEL_DIR)
3624         {
3625           LoadLevelSetup_SeriesInfo();
3626
3627           SaveLevelSetup_LastSeries();
3628           SaveLevelSetup_SeriesInfo();
3629           TapeErase();
3630         }
3631
3632         if (game_status == GAME_MODE_SETUP)
3633         {
3634           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3635               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
3636             execSetupGame();
3637           else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
3638                    setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3639                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
3640             execSetupGraphics();
3641           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3642                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3643                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3644             execSetupSound();
3645           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3646                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3647                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3648             execSetupTouch();
3649           else
3650             execSetupArtwork();
3651         }
3652         else
3653         {
3654           if (game_status == GAME_MODE_LEVELNR)
3655           {
3656             int new_level_nr = atoi(level_number_current->identifier);
3657
3658             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3659           }
3660
3661           game_status = GAME_MODE_MAIN;
3662
3663           DrawMainMenu();
3664         }
3665       }
3666     }
3667   }
3668 }
3669
3670 void DrawChooseLevelSet()
3671 {
3672   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
3673
3674   DrawChooseTree(&leveldir_current);
3675
3676   PlayMenuSound();
3677   PlayMenuMusic();
3678 }
3679
3680 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
3681 {
3682   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
3683 }
3684
3685 void DrawChooseLevelNr()
3686 {
3687   int i;
3688
3689   if (level_number != NULL)
3690   {
3691     freeTreeInfo(level_number);
3692
3693     level_number = NULL;
3694   }
3695
3696   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
3697   {
3698     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
3699     char identifier[32], name[32];
3700     int value = i;
3701
3702     /* temporarily load level info to get level name */
3703     LoadLevelInfoOnly(i);
3704
3705     ti->node_top = &level_number;
3706     ti->sort_priority = 10000 + value;
3707     ti->color = (level.no_valid_file ? FC_BLUE :
3708                  LevelStats_getSolved(i) ? FC_GREEN :
3709                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
3710
3711     sprintf(identifier, "%d", value);
3712     sprintf(name, "%03d: %s", value,
3713             (level.no_valid_file ? "(no file)" : level.name));
3714
3715     setString(&ti->identifier, identifier);
3716     setString(&ti->name, name);
3717     setString(&ti->name_sorting, name);
3718
3719     pushTreeInfo(&level_number, ti);
3720   }
3721
3722   /* sort level number values to start with lowest level number */
3723   sortTreeInfo(&level_number);
3724
3725   /* set current level number to current level number */
3726   level_number_current =
3727     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
3728
3729   /* if that also fails, set current level number to first available level */
3730   if (level_number_current == NULL)
3731     level_number_current = level_number;
3732
3733   SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
3734
3735   DrawChooseTree(&level_number_current);
3736
3737   PlayMenuSound();
3738   PlayMenuMusic();
3739 }
3740
3741 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
3742 {
3743   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
3744 }
3745
3746 void DrawHallOfFame(int highlight_position)
3747 {
3748   UnmapAllGadgets();
3749   FadeSoundsAndMusic();
3750
3751   /* (this is needed when called from GameEnd() after winning a game) */
3752   KeyboardAutoRepeatOn();
3753   ActivateJoystick();
3754
3755   /* (this is needed when called from GameEnd() after winning a game) */
3756   SetDrawDeactivationMask(REDRAW_NONE);
3757   SetDrawBackgroundMask(REDRAW_FIELD);
3758
3759   CloseDoor(DOOR_CLOSE_2);
3760
3761   if (highlight_position < 0)
3762     LoadScore(level_nr);
3763
3764   FadeSetEnterScreen();
3765
3766   FadeOut(REDRAW_FIELD);
3767
3768   InitAnimation();
3769
3770   PlayMenuSound();
3771   PlayMenuMusic();
3772
3773   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
3774
3775   FadeIn(REDRAW_FIELD);
3776 }
3777
3778 static void drawHallOfFameList(int first_entry, int highlight_position)
3779 {
3780   int i, j;
3781
3782   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
3783   ClearField();
3784
3785   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
3786   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
3787                     "HighScores of Level %d", level_nr);
3788
3789   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
3790   {
3791     int entry = first_entry + i;
3792     boolean active = (entry == highlight_position);
3793     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
3794     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
3795     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
3796     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
3797     int dx1 = 3 * getFontWidth(font_nr1);
3798     int dx2 = dx1 + getFontWidth(font_nr1);
3799     int dx3 = SXSIZE - 2 * (mSX - SX) - 5 * getFontWidth(font_nr4);
3800     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
3801     int sy = mSY + 64 + i * 32;
3802
3803     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
3804     DrawText(mSX + dx1, sy, ".", font_nr1);
3805
3806     for (j = 0; j < num_dots; j++)
3807       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
3808
3809     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
3810       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
3811
3812     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
3813   }
3814
3815   redraw_mask |= REDRAW_FIELD;
3816 }
3817
3818 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
3819 {
3820   static int first_entry = 0;
3821   static int highlight_position = 0;
3822   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3823
3824   if (button == MB_MENU_INITIALIZE)
3825   {
3826     first_entry = 0;
3827     highlight_position = mx;
3828     drawHallOfFameList(first_entry, highlight_position);
3829
3830     return;
3831   }
3832
3833   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
3834     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
3835
3836   if (dy < 0)
3837   {
3838     if (first_entry > 0)
3839     {
3840       first_entry -= step;
3841       if (first_entry < 0)
3842         first_entry = 0;
3843
3844       drawHallOfFameList(first_entry, highlight_position);
3845     }
3846   }
3847   else if (dy > 0)
3848   {
3849     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
3850     {
3851       first_entry += step;
3852       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
3853         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
3854
3855       drawHallOfFameList(first_entry, highlight_position);
3856     }
3857   }
3858   else if (button == MB_MENU_LEAVE)
3859   {
3860     PlaySound(SND_MENU_ITEM_SELECTING);
3861
3862     FadeSound(SND_BACKGROUND_SCORES);
3863
3864     game_status = GAME_MODE_MAIN;
3865
3866     DrawMainMenu();
3867   }
3868   else if (button == MB_MENU_CHOICE)
3869   {
3870     PlaySound(SND_MENU_ITEM_SELECTING);
3871
3872     FadeSound(SND_BACKGROUND_SCORES);
3873
3874     game_status = GAME_MODE_MAIN;
3875
3876     DrawAndFadeInMainMenu(REDRAW_FIELD);
3877   }
3878
3879   if (game_status == GAME_MODE_SCORES)
3880     PlayMenuSoundIfLoop();
3881 }
3882
3883
3884 /* ========================================================================= */
3885 /* setup screen functions                                                    */
3886 /* ========================================================================= */
3887
3888 static struct TokenInfo *setup_info;
3889 static int num_setup_info;      /* number of setup entries shown on screen */
3890 static int max_setup_info;      /* total number of setup entries in list */
3891
3892 static char *screen_mode_text;
3893 static char *window_size_text;
3894 static char *scaling_type_text;
3895 static char *scroll_delay_text;
3896 static char *game_speed_text;
3897 static char *graphics_set_name;
3898 static char *sounds_set_name;
3899 static char *music_set_name;
3900 static char *volume_simple_text;
3901 static char *volume_loops_text;
3902 static char *volume_music_text;
3903 static char *touch_controls_text;
3904 static char *move_distance_text;
3905 static char *drop_distance_text;
3906
3907 static void execSetupMain()
3908 {
3909   setup_mode = SETUP_MODE_MAIN;
3910
3911   DrawSetupScreen();
3912 }
3913
3914 static void execSetupGame_setGameSpeeds()
3915 {
3916   if (game_speeds == NULL)
3917   {
3918     int i;
3919
3920     for (i = 0; game_speeds_list[i].value != -1; i++)
3921     {
3922       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
3923       char identifier[32], name[32];
3924       int value = game_speeds_list[i].value;
3925       char *text = game_speeds_list[i].text;
3926
3927       ti->node_top = &game_speeds;
3928       ti->sort_priority = 10000 - value;
3929
3930       sprintf(identifier, "%d", value);
3931       sprintf(name, "%s", text);
3932
3933       setString(&ti->identifier, identifier);
3934       setString(&ti->name, name);
3935       setString(&ti->name_sorting, name);
3936       setString(&ti->infotext, "Game Speed");
3937
3938       pushTreeInfo(&game_speeds, ti);
3939     }
3940
3941     /* sort game speed values to start with slowest game speed */
3942     sortTreeInfo(&game_speeds);
3943
3944     /* set current game speed to configured game speed value */
3945     game_speed_current =
3946       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
3947
3948     /* if that fails, set current game speed to reliable default value */
3949     if (game_speed_current == NULL)
3950       game_speed_current =
3951         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
3952
3953     /* if that also fails, set current game speed to first available speed */
3954     if (game_speed_current == NULL)
3955       game_speed_current = game_speeds;
3956   }
3957
3958   setup.game_frame_delay = atoi(game_speed_current->identifier);
3959
3960   /* needed for displaying game speed text instead of identifier */
3961   game_speed_text = game_speed_current->name;
3962 }
3963
3964 static void execSetupGame_setScrollDelays()
3965 {
3966   if (scroll_delays == NULL)
3967   {
3968     int i;
3969
3970     for (i = 0; scroll_delays_list[i].value != -1; i++)
3971     {
3972       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
3973       char identifier[32], name[32];
3974       int value = scroll_delays_list[i].value;
3975       char *text = scroll_delays_list[i].text;
3976
3977       ti->node_top = &scroll_delays;
3978       ti->sort_priority = value;
3979
3980       sprintf(identifier, "%d", value);
3981       sprintf(name, "%s", text);
3982
3983       setString(&ti->identifier, identifier);
3984       setString(&ti->name, name);
3985       setString(&ti->name_sorting, name);
3986       setString(&ti->infotext, "Scaling Type");
3987
3988       pushTreeInfo(&scroll_delays, ti);
3989     }
3990
3991     /* sort scaling type values to start with lowest scaling type value */
3992     sortTreeInfo(&scroll_delays);
3993
3994     /* set current scaling type value to configured scaling type value */
3995     scroll_delay_current =
3996       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
3997
3998     /* if that fails, set current scaling type to reliable default value */
3999     if (scroll_delay_current == NULL)
4000       scroll_delay_current =
4001         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4002
4003     /* if that also fails, set current scaling type to first available value */
4004     if (scroll_delay_current == NULL)
4005       scroll_delay_current = scroll_delays;
4006   }
4007
4008   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4009
4010   /* needed for displaying scaling type text instead of identifier */
4011   scroll_delay_text = scroll_delay_current->name;
4012 }
4013
4014 static void execSetupGame()
4015 {
4016   execSetupGame_setGameSpeeds();
4017   execSetupGame_setScrollDelays();
4018
4019   setup_mode = SETUP_MODE_GAME;
4020
4021   DrawSetupScreen();
4022 }
4023
4024 static void execSetupChooseGameSpeed()
4025 {
4026   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4027
4028   DrawSetupScreen();
4029 }
4030
4031 static void execSetupChooseScrollDelay()
4032 {
4033   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4034
4035   DrawSetupScreen();
4036 }
4037
4038 static void execSetupEditor()
4039 {
4040   setup_mode = SETUP_MODE_EDITOR;
4041
4042   DrawSetupScreen();
4043 }
4044
4045 static void execSetupGraphics_setWindowSizes(boolean update_list)
4046 {
4047   if (window_sizes != NULL && update_list)
4048   {
4049     freeTreeInfo(window_sizes);
4050
4051     window_sizes = NULL;
4052   }
4053
4054   if (window_sizes == NULL)
4055   {
4056     boolean current_window_size_found = FALSE;
4057     int i;
4058
4059     for (i = 0; window_sizes_list[i].value != -1; i++)
4060     {
4061       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4062       char identifier[32], name[32];
4063       int value = window_sizes_list[i].value;
4064       char *text = window_sizes_list[i].text;
4065
4066       ti->node_top = &window_sizes;
4067       ti->sort_priority = value;
4068
4069       sprintf(identifier, "%d", value);
4070       sprintf(name, "%s", text);
4071
4072       setString(&ti->identifier, identifier);
4073       setString(&ti->name, name);
4074       setString(&ti->name_sorting, name);
4075       setString(&ti->infotext, "Window Scaling");
4076
4077       pushTreeInfo(&window_sizes, ti);
4078
4079       if (value == setup.window_scaling_percent)
4080         current_window_size_found = TRUE;
4081     }
4082
4083     if (!current_window_size_found)
4084     {
4085       // add entry for non-preset window scaling value
4086
4087       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4088       char identifier[32], name[32];
4089       int value = setup.window_scaling_percent;
4090
4091       ti->node_top = &window_sizes;
4092       ti->sort_priority = value;
4093
4094       sprintf(identifier, "%d", value);
4095       sprintf(name, "%d %% (Current)", value);
4096
4097       setString(&ti->identifier, identifier);
4098       setString(&ti->name, name);
4099       setString(&ti->name_sorting, name);
4100       setString(&ti->infotext, "Window Scaling");
4101
4102       pushTreeInfo(&window_sizes, ti);
4103     }
4104
4105     /* sort window size values to start with lowest window size value */
4106     sortTreeInfo(&window_sizes);
4107
4108     /* set current window size value to configured window size value */
4109     window_size_current =
4110       getTreeInfoFromIdentifier(window_sizes,
4111                                 i_to_a(setup.window_scaling_percent));
4112
4113     /* if that fails, set current window size to reliable default value */
4114     if (window_size_current == NULL)
4115       window_size_current =
4116         getTreeInfoFromIdentifier(window_sizes,
4117                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4118
4119     /* if that also fails, set current window size to first available value */
4120     if (window_size_current == NULL)
4121       window_size_current = window_sizes;
4122   }
4123
4124   setup.window_scaling_percent = atoi(window_size_current->identifier);
4125
4126   /* needed for displaying window size text instead of identifier */
4127   window_size_text = window_size_current->name;
4128 }
4129
4130 static void execSetupGraphics_setScalingTypes()
4131 {
4132   if (scaling_types == NULL)
4133   {
4134     int i;
4135
4136     for (i = 0; scaling_types_list[i].value != NULL; i++)
4137     {
4138       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4139       char identifier[32], name[32];
4140       char *value = scaling_types_list[i].value;
4141       char *text = scaling_types_list[i].text;
4142
4143       ti->node_top = &scaling_types;
4144       ti->sort_priority = i;
4145
4146       sprintf(identifier, "%s", value);
4147       sprintf(name, "%s", text);
4148
4149       setString(&ti->identifier, identifier);
4150       setString(&ti->name, name);
4151       setString(&ti->name_sorting, name);
4152       setString(&ti->infotext, "Anti-Aliasing");
4153
4154       pushTreeInfo(&scaling_types, ti);
4155     }
4156
4157     /* sort scaling type values to start with lowest scaling type value */
4158     sortTreeInfo(&scaling_types);
4159
4160     /* set current scaling type value to configured scaling type value */
4161     scaling_type_current =
4162       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4163
4164     /* if that fails, set current scaling type to reliable default value */
4165     if (scaling_type_current == NULL)
4166       scaling_type_current =
4167         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4168
4169     /* if that also fails, set current scaling type to first available value */
4170     if (scaling_type_current == NULL)
4171       scaling_type_current = scaling_types;
4172   }
4173
4174   setup.window_scaling_quality = scaling_type_current->identifier;
4175
4176   /* needed for displaying scaling type text instead of identifier */
4177   scaling_type_text = scaling_type_current->name;
4178 }
4179
4180 static void execSetupGraphics_setScreenModes()
4181 {
4182   // if (screen_modes == NULL && video.fullscreen_available)
4183   if (screen_modes == NULL && video.fullscreen_modes != NULL)
4184   {
4185     int i;
4186
4187     for (i = 0; video.fullscreen_modes[i].width != -1; i++)
4188     {
4189       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4190       char identifier[32], name[32];
4191       int x = video.fullscreen_modes[i].width;
4192       int y = video.fullscreen_modes[i].height;
4193       int xx, yy;
4194
4195       get_aspect_ratio_from_screen_mode(&video.fullscreen_modes[i], &xx, &yy);
4196
4197       ti->node_top = &screen_modes;
4198       ti->sort_priority = x * 10000 + y;
4199
4200       sprintf(identifier, "%dx%d", x, y);
4201       sprintf(name, "%d x %d [%d:%d]", x, y, xx, yy);
4202
4203       setString(&ti->identifier, identifier);
4204       setString(&ti->name, name);
4205       setString(&ti->name_sorting, name);
4206       setString(&ti->infotext, "Fullscreen Mode");
4207
4208       pushTreeInfo(&screen_modes, ti);
4209     }
4210
4211     /* sort fullscreen modes to start with lowest available screen resolution */
4212     sortTreeInfo(&screen_modes);
4213
4214     /* set current screen mode for fullscreen mode to configured setup value */
4215     screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4216                                                     setup.fullscreen_mode);
4217
4218     /* if that fails, set current screen mode to reliable default value */
4219     if (screen_mode_current == NULL)
4220       screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4221                                                       DEFAULT_FULLSCREEN_MODE);
4222
4223     /* if that also fails, set current screen mode to first available mode */
4224     if (screen_mode_current == NULL)
4225       screen_mode_current = screen_modes;
4226
4227     if (screen_mode_current == NULL)
4228       video.fullscreen_available = FALSE;
4229   }
4230
4231   // if (video.fullscreen_available)
4232   if (screen_mode_current != NULL)
4233   {
4234     setup.fullscreen_mode = screen_mode_current->identifier;
4235
4236     /* needed for displaying screen mode name instead of identifier */
4237     screen_mode_text = screen_mode_current->name;
4238   }
4239 }
4240
4241 static void execSetupGraphics()
4242 {
4243   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4244   {
4245     // update "setup.window_scaling_percent" from list selection
4246     execSetupGraphics_setWindowSizes(FALSE);
4247   }
4248   else
4249   {
4250     // update list selection from "setup.window_scaling_percent"
4251     execSetupGraphics_setWindowSizes(TRUE);
4252   }
4253
4254   execSetupGraphics_setScalingTypes();
4255   execSetupGraphics_setScreenModes();
4256
4257   setup_mode = SETUP_MODE_GRAPHICS;
4258
4259   DrawSetupScreen();
4260
4261 #if defined(TARGET_SDL2)
4262   // window scaling may have changed at this point
4263   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4264
4265   // window scaling quality may have changed at this point
4266   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4267     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4268 #endif
4269 }
4270
4271 #if !defined(PLATFORM_ANDROID)
4272 #if defined(TARGET_SDL2)
4273 static void execSetupChooseWindowSize()
4274 {
4275   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4276
4277   DrawSetupScreen();
4278 }
4279
4280 static void execSetupChooseScalingType()
4281 {
4282   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4283
4284   DrawSetupScreen();
4285 }
4286 #else
4287 static void execSetupChooseScreenMode()
4288 {
4289   if (!video.fullscreen_available)
4290     return;
4291
4292   setup_mode = SETUP_MODE_CHOOSE_SCREEN_MODE;
4293
4294   DrawSetupScreen();
4295 }
4296 #endif
4297 #endif
4298
4299 static void execSetupChooseVolumeSimple()
4300 {
4301   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4302
4303   DrawSetupScreen();
4304 }
4305
4306 static void execSetupChooseVolumeLoops()
4307 {
4308   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4309
4310   DrawSetupScreen();
4311 }
4312
4313 static void execSetupChooseVolumeMusic()
4314 {
4315   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4316
4317   DrawSetupScreen();
4318 }
4319
4320 static void execSetupSound()
4321 {
4322   if (volumes_simple == NULL)
4323   {
4324     int i;
4325
4326     for (i = 0; volumes_list[i].value != -1; i++)
4327     {
4328       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4329       char identifier[32], name[32];
4330       int value = volumes_list[i].value;
4331       char *text = volumes_list[i].text;
4332
4333       ti->node_top = &volumes_simple;
4334       ti->sort_priority = value;
4335
4336       sprintf(identifier, "%d", value);
4337       sprintf(name, "%s", text);
4338
4339       setString(&ti->identifier, identifier);
4340       setString(&ti->name, name);
4341       setString(&ti->name_sorting, name);
4342       setString(&ti->infotext, "Sound Volume");
4343
4344       pushTreeInfo(&volumes_simple, ti);
4345     }
4346
4347     /* sort volume values to start with lowest volume value */
4348     sortTreeInfo(&volumes_simple);
4349
4350     /* set current volume value to configured volume value */
4351     volume_simple_current =
4352       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4353
4354     /* if that fails, set current volume to reliable default value */
4355     if (volume_simple_current == NULL)
4356       volume_simple_current =
4357         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4358
4359     /* if that also fails, set current volume to first available value */
4360     if (volume_simple_current == NULL)
4361       volume_simple_current = volumes_simple;
4362   }
4363
4364   if (volumes_loops == NULL)
4365   {
4366     int i;
4367
4368     for (i = 0; volumes_list[i].value != -1; i++)
4369     {
4370       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4371       char identifier[32], name[32];
4372       int value = volumes_list[i].value;
4373       char *text = volumes_list[i].text;
4374
4375       ti->node_top = &volumes_loops;
4376       ti->sort_priority = value;
4377
4378       sprintf(identifier, "%d", value);
4379       sprintf(name, "%s", text);
4380
4381       setString(&ti->identifier, identifier);
4382       setString(&ti->name, name);
4383       setString(&ti->name_sorting, name);
4384       setString(&ti->infotext, "Loops Volume");
4385
4386       pushTreeInfo(&volumes_loops, ti);
4387     }
4388
4389     /* sort volume values to start with lowest volume value */
4390     sortTreeInfo(&volumes_loops);
4391
4392     /* set current volume value to configured volume value */
4393     volume_loops_current =
4394       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4395
4396     /* if that fails, set current volume to reliable default value */
4397     if (volume_loops_current == NULL)
4398       volume_loops_current =
4399         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4400
4401     /* if that also fails, set current volume to first available value */
4402     if (volume_loops_current == NULL)
4403       volume_loops_current = volumes_loops;
4404   }
4405
4406   if (volumes_music == NULL)
4407   {
4408     int i;
4409
4410     for (i = 0; volumes_list[i].value != -1; i++)
4411     {
4412       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4413       char identifier[32], name[32];
4414       int value = volumes_list[i].value;
4415       char *text = volumes_list[i].text;
4416
4417       ti->node_top = &volumes_music;
4418       ti->sort_priority = value;
4419
4420       sprintf(identifier, "%d", value);
4421       sprintf(name, "%s", text);
4422
4423       setString(&ti->identifier, identifier);
4424       setString(&ti->name, name);
4425       setString(&ti->name_sorting, name);
4426       setString(&ti->infotext, "Music Volume");
4427
4428       pushTreeInfo(&volumes_music, ti);
4429     }
4430
4431     /* sort volume values to start with lowest volume value */
4432     sortTreeInfo(&volumes_music);
4433
4434     /* set current volume value to configured volume value */
4435     volume_music_current =
4436       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4437
4438     /* if that fails, set current volume to reliable default value */
4439     if (volume_music_current == NULL)
4440       volume_music_current =
4441         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4442
4443     /* if that also fails, set current volume to first available value */
4444     if (volume_music_current == NULL)
4445       volume_music_current = volumes_music;
4446   }
4447
4448   setup.volume_simple = atoi(volume_simple_current->identifier);
4449   setup.volume_loops  = atoi(volume_loops_current->identifier);
4450   setup.volume_music  = atoi(volume_music_current->identifier);
4451
4452   /* needed for displaying volume text instead of identifier */
4453   volume_simple_text = volume_simple_current->name;
4454   volume_loops_text = volume_loops_current->name;
4455   volume_music_text = volume_music_current->name;
4456
4457   setup_mode = SETUP_MODE_SOUND;
4458
4459   DrawSetupScreen();
4460 }
4461
4462 static void execSetupChooseTouchControls()
4463 {
4464   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
4465
4466   DrawSetupScreen();
4467 }
4468
4469 static void execSetupChooseMoveDistance()
4470 {
4471   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
4472
4473   DrawSetupScreen();
4474 }
4475
4476 static void execSetupChooseDropDistance()
4477 {
4478   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
4479
4480   DrawSetupScreen();
4481 }
4482
4483 static void execSetupTouch()
4484 {
4485   if (touch_controls == NULL)
4486   {
4487     int i;
4488
4489     for (i = 0; touch_controls_list[i].value != NULL; i++)
4490     {
4491       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4492       char identifier[32], name[32];
4493       char *value = touch_controls_list[i].value;
4494       char *text = touch_controls_list[i].text;
4495
4496       ti->node_top = &touch_controls;
4497       ti->sort_priority = i;
4498
4499       sprintf(identifier, "%s", value);
4500       sprintf(name, "%s", text);
4501
4502       setString(&ti->identifier, identifier);
4503       setString(&ti->name, name);
4504       setString(&ti->name_sorting, name);
4505       setString(&ti->infotext, "Control Type");
4506
4507       pushTreeInfo(&touch_controls, ti);
4508     }
4509
4510     /* sort touch control values to start with lowest touch control value */
4511     sortTreeInfo(&touch_controls);
4512
4513     /* set current touch control value to configured touch control value */
4514     touch_control_current =
4515       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
4516
4517     /* if that fails, set current touch control to reliable default value */
4518     if (touch_control_current == NULL)
4519       touch_control_current =
4520         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
4521
4522     /* if that also fails, set current touch control to first available value */
4523     if (touch_control_current == NULL)
4524       touch_control_current = touch_controls;
4525   }
4526
4527   if (move_distances == NULL)
4528   {
4529     int i;
4530
4531     for (i = 0; distances_list[i].value != -1; i++)
4532     {
4533       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4534       char identifier[32], name[32];
4535       int value = distances_list[i].value;
4536       char *text = distances_list[i].text;
4537
4538       ti->node_top = &move_distances;
4539       ti->sort_priority = value;
4540
4541       sprintf(identifier, "%d", value);
4542       sprintf(name, "%s", text);
4543
4544       setString(&ti->identifier, identifier);
4545       setString(&ti->name, name);
4546       setString(&ti->name_sorting, name);
4547       setString(&ti->infotext, "Move Distance");
4548
4549       pushTreeInfo(&move_distances, ti);
4550     }
4551
4552     /* sort distance values to start with lowest distance value */
4553     sortTreeInfo(&move_distances);
4554
4555     /* set current distance value to configured distance value */
4556     move_distance_current =
4557       getTreeInfoFromIdentifier(move_distances,
4558                                 i_to_a(setup.touch.move_distance));
4559
4560     /* if that fails, set current distance to reliable default value */
4561     if (move_distance_current == NULL)
4562       move_distance_current =
4563         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
4564
4565     /* if that also fails, set current distance to first available value */
4566     if (move_distance_current == NULL)
4567       move_distance_current = move_distances;
4568   }
4569
4570   if (drop_distances == NULL)
4571   {
4572     int i;
4573
4574     for (i = 0; distances_list[i].value != -1; i++)
4575     {
4576       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4577       char identifier[32], name[32];
4578       int value = distances_list[i].value;
4579       char *text = distances_list[i].text;
4580
4581       ti->node_top = &drop_distances;
4582       ti->sort_priority = value;
4583
4584       sprintf(identifier, "%d", value);
4585       sprintf(name, "%s", text);
4586
4587       setString(&ti->identifier, identifier);
4588       setString(&ti->name, name);
4589       setString(&ti->name_sorting, name);
4590       setString(&ti->infotext, "Drop Distance");
4591
4592       pushTreeInfo(&drop_distances, ti);
4593     }
4594
4595     /* sort distance values to start with lowest distance value */
4596     sortTreeInfo(&drop_distances);
4597
4598     /* set current distance value to configured distance value */
4599     drop_distance_current =
4600       getTreeInfoFromIdentifier(drop_distances,
4601                                 i_to_a(setup.touch.drop_distance));
4602
4603     /* if that fails, set current distance to reliable default value */
4604     if (drop_distance_current == NULL)
4605       drop_distance_current =
4606         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
4607
4608     /* if that also fails, set current distance to first available value */
4609     if (drop_distance_current == NULL)
4610       drop_distance_current = drop_distances;
4611   }
4612
4613   setup.touch.control_type = touch_control_current->identifier;
4614   setup.touch.move_distance = atoi(move_distance_current->identifier);
4615   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
4616
4617   /* needed for displaying volume text instead of identifier */
4618   touch_controls_text = touch_control_current->name;
4619   move_distance_text = move_distance_current->name;
4620   drop_distance_text = drop_distance_current->name;
4621
4622   setup_mode = SETUP_MODE_TOUCH;
4623
4624   DrawSetupScreen();
4625 }
4626
4627 static void execSetupArtwork()
4628 {
4629 #if 0
4630   printf("::: '%s', '%s', '%s'\n",
4631          artwork.gfx_current->subdir,
4632          artwork.gfx_current->fullpath,
4633          artwork.gfx_current->basepath);
4634 #endif
4635
4636   setup.graphics_set = artwork.gfx_current->identifier;
4637   setup.sounds_set = artwork.snd_current->identifier;
4638   setup.music_set = artwork.mus_current->identifier;
4639
4640   /* needed if last screen (setup choice) changed graphics, sounds or music */
4641   ReloadCustomArtwork(0);
4642
4643   /* needed for displaying artwork name instead of artwork identifier */
4644   graphics_set_name = artwork.gfx_current->name;
4645   sounds_set_name = artwork.snd_current->name;
4646   music_set_name = artwork.mus_current->name;
4647
4648   setup_mode = SETUP_MODE_ARTWORK;
4649
4650   DrawSetupScreen();
4651 }
4652
4653 static void execSetupChooseGraphics()
4654 {
4655   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
4656
4657   DrawSetupScreen();
4658 }
4659
4660 static void execSetupChooseSounds()
4661 {
4662   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
4663
4664   DrawSetupScreen();
4665 }
4666
4667 static void execSetupChooseMusic()
4668 {
4669   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
4670
4671   DrawSetupScreen();
4672 }
4673
4674 #if !defined(PLATFORM_ANDROID)
4675 static void execSetupInput()
4676 {
4677   setup_mode = SETUP_MODE_INPUT;
4678
4679   DrawSetupScreen();
4680 }
4681 #endif
4682
4683 static void execSetupShortcuts()
4684 {
4685   setup_mode = SETUP_MODE_SHORTCUTS;
4686
4687   DrawSetupScreen();
4688 }
4689
4690 static void execSetupShortcuts1()
4691 {
4692   setup_mode = SETUP_MODE_SHORTCUTS_1;
4693
4694   DrawSetupScreen();
4695 }
4696
4697 static void execSetupShortcuts2()
4698 {
4699   setup_mode = SETUP_MODE_SHORTCUTS_2;
4700
4701   DrawSetupScreen();
4702 }
4703
4704 static void execSetupShortcuts3()
4705 {
4706   setup_mode = SETUP_MODE_SHORTCUTS_3;
4707
4708   DrawSetupScreen();
4709 }
4710
4711 static void execSetupShortcuts4()
4712 {
4713   setup_mode = SETUP_MODE_SHORTCUTS_4;
4714
4715   DrawSetupScreen();
4716 }
4717
4718 static void execSetupShortcuts5()
4719 {
4720   setup_mode = SETUP_MODE_SHORTCUTS_5;
4721
4722   DrawSetupScreen();
4723 }
4724
4725 static void execExitSetup()
4726 {
4727   game_status = GAME_MODE_MAIN;
4728
4729   DrawMainMenuExt(REDRAW_FIELD, FALSE);
4730 }
4731
4732 static void execSaveAndExitSetup()
4733 {
4734   SaveSetup();
4735   execExitSetup();
4736 }
4737
4738 static struct TokenInfo setup_info_main[] =
4739 {
4740   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
4741   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
4742   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
4743   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
4744   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
4745 #if !defined(PLATFORM_ANDROID)
4746   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
4747   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
4748 #else
4749   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
4750 #endif
4751   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
4752   { TYPE_EMPTY,         NULL,                   ""                      },
4753   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
4754   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
4755
4756   { 0,                  NULL,                   NULL                    }
4757 };
4758
4759 static struct TokenInfo setup_info_game[] =
4760 {
4761   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
4762   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
4763   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
4764   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
4765   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
4766   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
4767   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
4768   { TYPE_STRING,        &game_speed_text,       ""                      },
4769 #if 1
4770   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
4771   { TYPE_STRING,        &scroll_delay_text,     ""                      },
4772 #endif
4773   { TYPE_EMPTY,         NULL,                   ""                      },
4774   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4775
4776   { 0,                  NULL,                   NULL                    }
4777 };
4778
4779 static struct TokenInfo setup_info_editor[] =
4780 {
4781 #if 0
4782   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
4783   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
4784   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
4785   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
4786   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
4787   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
4788   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
4789   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
4790 #endif
4791   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
4792   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
4793   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
4794 #if 0
4795   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
4796 #endif
4797   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
4798   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
4799   { TYPE_EMPTY,         NULL,                   ""                      },
4800 #if 0
4801   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
4802   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
4803   { TYPE_EMPTY,         NULL,                   ""                      },
4804 #endif
4805   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
4806   { TYPE_EMPTY,         NULL,                   ""                      },
4807   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4808
4809   { 0,                  NULL,                   NULL                    }
4810 };
4811
4812 static struct TokenInfo setup_info_graphics[] =
4813 {
4814 #if !defined(PLATFORM_ANDROID)
4815   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
4816 #if defined(TARGET_SDL2)
4817   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
4818   { TYPE_STRING,        &window_size_text,      ""                      },
4819   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
4820   { TYPE_STRING,        &scaling_type_text,     ""                      },
4821 #else
4822   { TYPE_ENTER_LIST,    execSetupChooseScreenMode, "Fullscreen Mode:"   },
4823   { TYPE_STRING,        &screen_mode_text,      ""                      },
4824 #endif
4825 #endif
4826 #if 0
4827   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
4828   { TYPE_STRING,        &scroll_delay_text,     ""                      },
4829 #endif
4830   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
4831   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
4832   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
4833   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
4834   { TYPE_SWITCH,        &setup.toons,           "Show Toons:"           },
4835   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
4836   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
4837   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
4838   { TYPE_EMPTY,         NULL,                   ""                      },
4839   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4840
4841   { 0,                  NULL,                   NULL                    }
4842 };
4843
4844 static struct TokenInfo setup_info_sound[] =
4845 {
4846   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
4847   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
4848   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
4849   { TYPE_EMPTY,         NULL,                   ""                      },
4850   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
4851   { TYPE_STRING,        &volume_simple_text,    ""                      },
4852   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
4853   { TYPE_STRING,        &volume_loops_text,     ""                      },
4854   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
4855   { TYPE_STRING,        &volume_music_text,     ""                      },
4856   { TYPE_EMPTY,         NULL,                   ""                      },
4857   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4858
4859   { 0,                  NULL,                   NULL                    }
4860 };
4861
4862 static struct TokenInfo setup_info_artwork[] =
4863 {
4864   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
4865   { TYPE_STRING,        &graphics_set_name,     ""                      },
4866   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
4867   { TYPE_STRING,        &sounds_set_name,       ""                      },
4868   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
4869   { TYPE_STRING,        &music_set_name,        ""                      },
4870   { TYPE_EMPTY,         NULL,                   ""                      },
4871   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
4872   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
4873   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
4874   { TYPE_EMPTY,         NULL,                   ""                      },
4875   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4876
4877   { 0,                  NULL,                   NULL                    }
4878 };
4879
4880 static struct TokenInfo setup_info_input[] =
4881 {
4882   { TYPE_SWITCH,        NULL,                   "Player:"               },
4883   { TYPE_SWITCH,        NULL,                   "Device:"               },
4884   { TYPE_ENTER_MENU,    NULL,                   ""                      },
4885   { TYPE_EMPTY,         NULL,                   ""                      },
4886   { TYPE_EMPTY,         NULL,                   ""                      },
4887   { TYPE_EMPTY,         NULL,                   ""                      },
4888   { TYPE_EMPTY,         NULL,                   ""                      },
4889   { TYPE_EMPTY,         NULL,                   ""                      },
4890   { TYPE_EMPTY,         NULL,                   ""                      },
4891   { TYPE_EMPTY,         NULL,                   ""                      },
4892   { TYPE_EMPTY,         NULL,                   ""                      },
4893   { TYPE_EMPTY,         NULL,                   ""                      },
4894   { TYPE_EMPTY,         NULL,                   ""                      },
4895   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4896
4897   { 0,                  NULL,                   NULL                    }
4898 };
4899
4900 static struct TokenInfo setup_info_touch[] =
4901 {
4902   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
4903   { TYPE_STRING,        &touch_controls_text,   ""                      },
4904   { TYPE_EMPTY,         NULL,                   ""                      },
4905   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
4906   { TYPE_STRING,        &move_distance_text,    ""                      },
4907   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
4908   { TYPE_STRING,        &drop_distance_text,    ""                      },
4909   { TYPE_EMPTY,         NULL,                   ""                      },
4910   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4911
4912   { 0,                  NULL,                   NULL                    }
4913 };
4914
4915 static struct TokenInfo setup_info_shortcuts[] =
4916 {
4917   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
4918   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
4919   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
4920   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
4921   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
4922   { TYPE_EMPTY,         NULL,                   ""                      },
4923   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4924
4925   { 0,                  NULL,                   NULL                    }
4926 };
4927
4928 static struct TokenInfo setup_info_shortcuts_1[] =
4929 {
4930   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
4931   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
4932   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
4933   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
4934   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
4935   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
4936   { TYPE_EMPTY,         NULL,                   ""                      },
4937   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
4938   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
4939   { TYPE_EMPTY,         NULL,                   ""                      },
4940   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
4941
4942   { 0,                  NULL,                   NULL                    }
4943 };
4944
4945 static struct TokenInfo setup_info_shortcuts_2[] =
4946 {
4947   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
4948   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
4949   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
4950   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
4951   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
4952   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
4953   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
4954   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
4955   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
4956   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
4957   { TYPE_EMPTY,         NULL,                   ""                      },
4958   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
4959
4960   { 0,                  NULL,                   NULL                    }
4961 };
4962
4963 static struct TokenInfo setup_info_shortcuts_3[] =
4964 {
4965   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
4966   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
4967   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
4968   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
4969   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
4970   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
4971   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
4972   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
4973   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
4974   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
4975   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
4976   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
4977   { TYPE_EMPTY,         NULL,                   ""                      },
4978   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
4979
4980   { 0,                  NULL,                   NULL                    }
4981 };
4982
4983 static struct TokenInfo setup_info_shortcuts_4[] =
4984 {
4985   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
4986   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
4987   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
4988   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
4989   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
4990   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
4991   { TYPE_EMPTY,         NULL,                   ""                      },
4992   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
4993
4994   { 0,                  NULL,                   NULL                    }
4995 };
4996
4997 static struct TokenInfo setup_info_shortcuts_5[] =
4998 {
4999   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5000   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5001   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5002   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5003   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5004   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5005   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5006   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5007   { TYPE_EMPTY,         NULL,                   ""                      },
5008   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5009
5010   { 0,                  NULL,                   NULL                    }
5011 };
5012
5013 static Key getSetupKey()
5014 {
5015   Key key = KSYM_UNDEFINED;
5016   boolean got_key_event = FALSE;
5017
5018   while (!got_key_event)
5019   {
5020     if (PendingEvent())         /* got event */
5021     {
5022       Event event;
5023
5024       NextEvent(&event);
5025
5026       switch (event.type)
5027       {
5028         case EVENT_KEYPRESS:
5029           {
5030             key = GetEventKey((KeyEvent *)&event, TRUE);
5031
5032             /* press 'Escape' or 'Enter' to keep the existing key binding */
5033             if (key == KSYM_Escape || key == KSYM_Return)
5034               key = KSYM_UNDEFINED;     /* keep old value */
5035
5036             got_key_event = TRUE;
5037           }
5038           break;
5039
5040         case EVENT_KEYRELEASE:
5041           key_joystick_mapping = 0;
5042           break;
5043
5044         default:
5045           HandleOtherEvents(&event);
5046           break;
5047       }
5048     }
5049
5050     DoAnimation();
5051     BackToFront();
5052
5053     /* don't eat all CPU time */
5054     Delay(10);
5055   }
5056
5057   return key;
5058 }
5059
5060 static int getSetupTextFont(int type)
5061 {
5062   if (type & (TYPE_SWITCH       |
5063               TYPE_YES_NO       |
5064               TYPE_YES_NO_AUTO  |
5065               TYPE_STRING       |
5066               TYPE_ECS_AGA      |
5067               TYPE_KEYTEXT      |
5068               TYPE_ENTER_LIST))
5069     return FONT_MENU_2;
5070   else
5071     return FONT_MENU_1;
5072 }
5073
5074 static int getSetupValueFont(int type, void *value)
5075 {
5076   if (type & TYPE_KEY)
5077     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5078   else if (type & TYPE_STRING)
5079     return FONT_VALUE_2;
5080   else if (type & TYPE_ECS_AGA)
5081     return FONT_VALUE_1;
5082   else if (type & TYPE_BOOLEAN_STYLE)
5083     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5084   else if (type & TYPE_YES_NO_AUTO)
5085     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5086             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5087   else
5088     return FONT_VALUE_1;
5089 }
5090
5091 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5092 {
5093   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5094   struct TokenInfo *si = &setup_info[si_pos];
5095   boolean font_draw_xoffset_modified = FALSE;
5096   int font_draw_xoffset_old = -1;
5097   int xoffset = (num_setup_info < max_setup_info ? -1 : 0);
5098   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5099   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5100   int xpos = menu_screen_value_xpos;
5101   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5102   int startx = mSX + xpos * 32;
5103   int starty = mSY + ypos * 32;
5104   int font_nr, font_width;
5105   int type = si->type;
5106   void *value = si->value;
5107   char *value_string = getSetupValue(type, value);
5108   int i;
5109
5110   if (value_string == NULL)
5111     return;
5112
5113   if (type & TYPE_KEY)
5114   {
5115     xpos = MENU_SCREEN_START_XPOS;
5116
5117     if (type & TYPE_QUERY)
5118       value_string = "<press key>";
5119   }
5120   else if (type & TYPE_STRING)
5121   {
5122     int max_value_len = (SCR_FIELDX - 2) * 2;
5123
5124     xpos = MENU_SCREEN_START_XPOS;
5125
5126     if (strlen(value_string) > max_value_len)
5127       value_string[max_value_len] = '\0';
5128   }
5129   else if (type & TYPE_YES_NO_AUTO)
5130   {
5131     xpos = menu_screen_value_xpos - 1;
5132   }
5133
5134   startx = mSX + xpos * 32;
5135   starty = mSY + ypos * 32;
5136   font_nr = getSetupValueFont(type, value);
5137   font_width = getFontWidth(font_nr);
5138
5139   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5140   if (setup_mode != SETUP_MODE_INPUT)
5141   {
5142     int max_menu_text_length_big = (menu_screen_value_xpos -
5143                                     MENU_SCREEN_START_XPOS);
5144     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5145     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5146     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5147     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5148     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5149     int text_font_nr = getSetupTextFont(FONT_MENU_2);
5150     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5151     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5152     boolean correct_font_draw_xoffset = FALSE;
5153
5154     if (xpos == MENU_SCREEN_START_XPOS &&
5155         startx + font1_xoffset < text_startx + text_font_xoffset)
5156       correct_font_draw_xoffset = TRUE;
5157
5158     if (xpos == menu_screen_value_xpos &&
5159         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5160       correct_font_draw_xoffset = TRUE;
5161
5162     /* check if setup value would overlap with setup text when printed */
5163     /* (this can happen for extreme/wrong values for font draw offset) */
5164     if (correct_font_draw_xoffset)
5165     {
5166       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5167       font_draw_xoffset_modified = TRUE;
5168
5169       if (type & TYPE_KEY)
5170         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5171       else if (!(type & TYPE_STRING))
5172         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5173           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5174     }
5175   }
5176
5177   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5178     DrawText(startx + i * font_width, starty, " ", font_nr);
5179
5180   DrawText(startx, starty, value_string, font_nr);
5181
5182   if (font_draw_xoffset_modified)
5183     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5184 }
5185
5186 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5187 {
5188   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5189   struct TokenInfo *si = &setup_info[si_pos];
5190
5191   if (si->type & TYPE_BOOLEAN_STYLE)
5192   {
5193     *(boolean *)si->value ^= TRUE;
5194   }
5195   else if (si->type & TYPE_YES_NO_AUTO)
5196   {
5197     *(int *)si->value =
5198       (dx == -1 ?
5199        (*(int *)si->value == AUTO ? TRUE :
5200         *(int *)si->value == TRUE ? FALSE : AUTO) :
5201        (*(int *)si->value == TRUE ? AUTO :
5202         *(int *)si->value == AUTO ? FALSE : TRUE));
5203   }
5204   else if (si->type & TYPE_KEY)
5205   {
5206     Key key;
5207
5208     si->type |= TYPE_QUERY;
5209     drawSetupValue(screen_pos, setup_info_pos_raw);
5210     si->type &= ~TYPE_QUERY;
5211
5212     key = getSetupKey();
5213     if (key != KSYM_UNDEFINED)
5214       *(Key *)si->value = key;
5215   }
5216
5217   drawSetupValue(screen_pos, setup_info_pos_raw);
5218
5219   // fullscreen state may have changed at this point
5220   if (si->value == &setup.fullscreen)
5221     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5222 }
5223
5224 static void DrawCursorAndText_Setup(int screen_pos, int setup_info_pos_raw,
5225                                     boolean active)
5226 {
5227   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5228   struct TokenInfo *si = &setup_info[si_pos];
5229   int xpos = MENU_SCREEN_START_XPOS;
5230   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5231   int font_nr = getSetupTextFont(si->type);
5232
5233   if (setup_info == setup_info_input)
5234     font_nr = FONT_MENU_1;
5235
5236   if (active)
5237     font_nr = FONT_ACTIVE(font_nr);
5238
5239   DrawText(mSX + xpos * 32, mSY + ypos * 32, si->text, font_nr);
5240
5241   if (si->type & ~TYPE_SKIP_ENTRY)
5242     drawCursor(screen_pos, active);
5243 }
5244
5245 static void drawSetupInfoList(struct TokenInfo *setup_info,
5246                               int first_entry, int num_page_entries)
5247 {
5248   int i;
5249
5250   if (num_page_entries > NUM_MENU_ENTRIES_ON_SCREEN)
5251     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
5252
5253   if (num_page_entries > max_setup_info)
5254     num_page_entries = max_setup_info;
5255
5256   if (first_entry + num_page_entries > max_setup_info)
5257     first_entry = 0;
5258
5259   clearMenuListArea();
5260
5261   for (i = 0; i < num_page_entries; i++)
5262   {
5263     int setup_info_pos = first_entry + i;
5264     struct TokenInfo *si = &setup_info[setup_info_pos];
5265     void *value_ptr = si->value;
5266
5267     /* set some entries to "unchangeable" according to other variables */
5268     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
5269         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
5270         (value_ptr == &setup.sound_music  && !audio.music_available) ||
5271         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
5272         (value_ptr == &screen_mode_text   && !video.fullscreen_available) ||
5273         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
5274         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
5275       si->type |= TYPE_GHOSTED;
5276
5277     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5278       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5279     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5280       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5281     else if (si->type & ~TYPE_SKIP_ENTRY)
5282       initCursor(i, IMG_MENU_BUTTON);
5283
5284     DrawCursorAndText_Setup(i, setup_info_pos, FALSE);
5285
5286     if (si->type & TYPE_VALUE)
5287       drawSetupValue(i, setup_info_pos);
5288   }
5289 }
5290
5291 static void DrawSetupScreen_Generic()
5292 {
5293   boolean redraw_all = FALSE;
5294   char *title_string = NULL;
5295   int i;
5296
5297   UnmapAllGadgets();
5298
5299   FreeScreenGadgets();
5300   CreateScreenGadgets();
5301
5302   CloseDoor(DOOR_CLOSE_2);
5303
5304   if (redraw_mask & REDRAW_ALL)
5305     redraw_all = TRUE;
5306
5307   FadeOut(REDRAW_FIELD);
5308
5309   ClearField();
5310
5311   if (setup_mode == SETUP_MODE_MAIN)
5312   {
5313     setup_info = setup_info_main;
5314     title_string = "Setup";
5315   }
5316   else if (setup_mode == SETUP_MODE_GAME)
5317   {
5318     setup_info = setup_info_game;
5319     title_string = "Setup Game";
5320   }
5321   else if (setup_mode == SETUP_MODE_EDITOR)
5322   {
5323     setup_info = setup_info_editor;
5324     title_string = "Setup Editor";
5325   }
5326   else if (setup_mode == SETUP_MODE_GRAPHICS)
5327   {
5328     setup_info = setup_info_graphics;
5329     title_string = "Setup Graphics";
5330   }
5331   else if (setup_mode == SETUP_MODE_SOUND)
5332   {
5333     setup_info = setup_info_sound;
5334     title_string = "Setup Sound";
5335   }
5336   else if (setup_mode == SETUP_MODE_ARTWORK)
5337   {
5338     setup_info = setup_info_artwork;
5339     title_string = "Custom Artwork";
5340   }
5341   else if (setup_mode == SETUP_MODE_TOUCH)
5342   {
5343     setup_info = setup_info_touch;
5344     title_string = "Setup Touch Ctrls";
5345   }
5346   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5347   {
5348     setup_info = setup_info_shortcuts;
5349     title_string = "Setup Shortcuts";
5350   }
5351   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5352   {
5353     setup_info = setup_info_shortcuts_1;
5354     title_string = "Setup Shortcuts";
5355   }
5356   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5357   {
5358     setup_info = setup_info_shortcuts_2;
5359     title_string = "Setup Shortcuts";
5360   }
5361   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5362   {
5363     setup_info = setup_info_shortcuts_3;
5364     title_string = "Setup Shortcuts";
5365   }
5366   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5367   {
5368     setup_info = setup_info_shortcuts_4;
5369     title_string = "Setup Shortcuts";
5370   }
5371   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5372   {
5373     setup_info = setup_info_shortcuts_5;
5374     title_string = "Setup Shortcuts";
5375   }
5376
5377   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5378
5379   // determine maximal number of setup entries that can be displayed on screen
5380   num_setup_info = 0;
5381   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5382     num_setup_info++;
5383
5384   // determine maximal number of setup entries available for this setup screen
5385   max_setup_info = 0;
5386   for (i = 0; setup_info[i].type != 0; i++)
5387     max_setup_info++;
5388
5389   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5390
5391   MapScreenGadgets(max_setup_info);
5392
5393   if (redraw_all)
5394     redraw_mask = REDRAW_ALL;
5395
5396   FadeIn(redraw_mask);
5397
5398   InitAnimation();
5399 }
5400
5401 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5402 {
5403   static int choice_store[MAX_SETUP_MODES];
5404   static int first_entry_store[MAX_SETUP_MODES];
5405   int choice = choice_store[setup_mode];                /* starts with 0 */
5406   int first_entry = first_entry_store[setup_mode];      /* starts with 0 */
5407   int x = 0;
5408   int y = choice - first_entry;
5409   int y_old = y;
5410   boolean position_set_by_scrollbar = (dx == 999);
5411   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5412   int num_page_entries;
5413
5414   num_page_entries = MIN(max_setup_info, NUM_MENU_ENTRIES_ON_SCREEN);
5415
5416   if (button == MB_MENU_INITIALIZE)
5417   {
5418     /* advance to first valid menu entry */
5419     while (choice < num_setup_info &&
5420            setup_info[choice].type & TYPE_SKIP_ENTRY)
5421       choice++;
5422
5423     if (position_set_by_scrollbar)
5424       first_entry = first_entry_store[setup_mode] = dy;
5425     else
5426       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_setup_info,
5427                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
5428
5429     drawSetupInfoList(setup_info, first_entry, NUM_MENU_ENTRIES_ON_SCREEN);
5430
5431     if (choice < first_entry)
5432     {
5433       choice = first_entry;
5434
5435       if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5436         choice++;
5437     }
5438     else if (choice > first_entry + num_page_entries - 1)
5439     {
5440       choice = first_entry + num_page_entries - 1;
5441
5442       if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5443         choice--;
5444     }
5445
5446     choice_store[setup_mode] = choice;
5447
5448     DrawCursorAndText_Setup(choice - first_entry, choice, TRUE);
5449
5450     return;
5451   }
5452   else if (button == MB_MENU_LEAVE)
5453   {
5454     int i;
5455
5456     PlaySound(SND_MENU_ITEM_SELECTING);
5457
5458     for (i = 0; setup_info[i].type != 0; i++)
5459     {
5460       if (setup_info[i].type & TYPE_LEAVE_MENU)
5461       {
5462         void (*menu_callback_function)(void) = setup_info[i].value;
5463
5464         FadeSetLeaveMenu();
5465
5466         menu_callback_function();
5467
5468         break;  /* absolutely needed because function changes 'setup_info'! */
5469       }
5470     }
5471
5472     return;
5473   }
5474
5475   if (mx || my)         /* mouse input */
5476   {
5477     x = (mx - mSX) / 32;
5478     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
5479   }
5480   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
5481   {
5482     /* move cursor instead of scrolling when already at start/end of list */
5483     if (dy == -1 * SCROLL_LINE && first_entry == 0)
5484       dy = -1;
5485     else if (dy == +1 * SCROLL_LINE &&
5486              first_entry + num_page_entries == max_setup_info)
5487       dy = 1;
5488
5489     /* handle scrolling screen one line or page */
5490     if (y + dy < 0 ||
5491         y + dy > num_page_entries - 1)
5492     {
5493       boolean redraw = FALSE;
5494
5495       if (ABS(dy) == SCROLL_PAGE)
5496         step = num_page_entries - 1;
5497
5498       if (dy < 0 && first_entry > 0)
5499       {
5500         /* scroll page/line up */
5501
5502         first_entry -= step;
5503         if (first_entry < 0)
5504           first_entry = 0;
5505
5506         redraw = TRUE;
5507       }
5508       else if (dy > 0 && first_entry + num_page_entries < max_setup_info)
5509       {
5510         /* scroll page/line down */
5511
5512         first_entry += step;
5513         if (first_entry + num_page_entries > max_setup_info)
5514           first_entry = MAX(0, max_setup_info - num_page_entries);
5515
5516         redraw = TRUE;
5517       }
5518
5519       if (redraw)
5520       {
5521         choice += first_entry - first_entry_store[setup_mode];
5522
5523         if (choice < first_entry)
5524         {
5525           choice = first_entry;
5526
5527           if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5528             choice++;
5529         }
5530         else if (choice > first_entry + num_page_entries - 1)
5531         {
5532           choice = first_entry + num_page_entries - 1;
5533
5534           if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5535             choice--;
5536         }
5537         else if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5538         {
5539           choice += SIGN(dy);
5540
5541           if (choice < first_entry ||
5542               choice > first_entry + num_page_entries - 1)
5543           first_entry += SIGN(dy);
5544         }
5545
5546         first_entry_store[setup_mode] = first_entry;
5547         choice_store[setup_mode] = choice;
5548
5549         drawSetupInfoList(setup_info, first_entry, NUM_MENU_ENTRIES_ON_SCREEN);
5550
5551         DrawCursorAndText_Setup(choice - first_entry, choice, TRUE);
5552
5553         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_setup_info,
5554                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
5555       }
5556
5557       return;
5558     }
5559
5560     if (dx)
5561     {
5562       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
5563
5564       if (setup_info[choice].type & menu_navigation_type ||
5565           setup_info[choice].type & TYPE_BOOLEAN_STYLE ||
5566           setup_info[choice].type & TYPE_YES_NO_AUTO)
5567         button = MB_MENU_CHOICE;
5568     }
5569     else if (dy)
5570       y += dy;
5571
5572     /* jump to next non-empty menu entry (up or down) */
5573     while (first_entry + y > 0 &&
5574            first_entry + y < max_setup_info - 1 &&
5575            setup_info[first_entry + y].type & TYPE_SKIP_ENTRY)
5576       y += dy;
5577
5578     if (!IN_VIS_MENU(x, y))
5579     {
5580       choice += y - y_old;
5581
5582       if (choice < first_entry)
5583         first_entry = choice;
5584       else if (choice > first_entry + num_page_entries - 1)
5585         first_entry = choice - num_page_entries + 1;
5586
5587       if (first_entry >= 0 &&
5588           first_entry + num_page_entries <= max_setup_info)
5589       {
5590         first_entry_store[setup_mode] = first_entry;
5591
5592         if (choice < first_entry)
5593           choice = first_entry;
5594         else if (choice > first_entry + num_page_entries - 1)
5595           choice = first_entry + num_page_entries - 1;
5596
5597         choice_store[setup_mode] = choice;
5598
5599         drawSetupInfoList(setup_info, first_entry, NUM_MENU_ENTRIES_ON_SCREEN);
5600
5601         DrawCursorAndText_Setup(choice - first_entry, choice, TRUE);
5602
5603         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_setup_info,
5604                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
5605       }
5606
5607       return;
5608     }
5609   }
5610
5611   if (!anyScrollbarGadgetActive() &&
5612       IN_VIS_MENU(x, y) &&
5613       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
5614       y >= 0 && y < num_page_entries)
5615   {
5616     if (button)
5617     {
5618       if (first_entry + y != choice &&
5619           setup_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
5620       {
5621         PlaySound(SND_MENU_ITEM_ACTIVATING);
5622
5623         DrawCursorAndText_Setup(choice - first_entry, choice, FALSE);
5624         DrawCursorAndText_Setup(y, first_entry + y, TRUE);
5625
5626         choice = choice_store[setup_mode] = first_entry + y;
5627       }
5628     }
5629     else if (!(setup_info[first_entry + y].type & TYPE_GHOSTED))
5630     {
5631       PlaySound(SND_MENU_ITEM_SELECTING);
5632
5633       /* when selecting key headline, execute function for key value change */
5634       if (setup_info[first_entry + y].type & TYPE_KEYTEXT &&
5635           setup_info[first_entry + y + 1].type & TYPE_KEY)
5636         y++;
5637
5638       /* when selecting string value, execute function for list selection */
5639       if (setup_info[first_entry + y].type & TYPE_STRING && y > 0 &&
5640           setup_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
5641         y--;
5642
5643       if (setup_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
5644       {
5645         void (*menu_callback_function)(void) =
5646           setup_info[first_entry + y].value;
5647
5648         FadeSetFromType(setup_info[first_entry + y].type);
5649
5650         menu_callback_function();
5651       }
5652       else
5653       {
5654         if (setup_info[first_entry + y].type & TYPE_VALUE)
5655           changeSetupValue(y, first_entry + y, dx);
5656       }
5657     }
5658   }
5659 }
5660
5661 void DrawSetupScreen_Input()
5662 {
5663   int i;
5664
5665   FadeOut(REDRAW_FIELD);
5666
5667   ClearField();
5668
5669   setup_info = setup_info_input;
5670
5671   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5672
5673   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5674                     "Joysticks deactivated on this screen");
5675
5676   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5677   {
5678     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5679       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5680     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5681       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5682     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5683       initCursor(i, IMG_MENU_BUTTON);
5684
5685     DrawCursorAndText_Setup(i, -1, FALSE);
5686   }
5687
5688   /* create gadgets for setup input menu screen */
5689   FreeScreenGadgets();
5690   CreateScreenGadgets();
5691
5692   /* map gadgets for setup input menu screen */
5693   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5694
5695   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5696
5697   FadeIn(REDRAW_FIELD);
5698
5699   InitAnimation();
5700 }
5701
5702 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5703 {
5704   if (device_name == NULL)
5705     return;
5706
5707   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5708     device_nr = 0;
5709
5710   if (strlen(device_name) > 1)
5711   {
5712     char c1 = device_name[strlen(device_name) - 1];
5713     char c2 = device_name[strlen(device_name) - 2];
5714
5715     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5716       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5717   }
5718   else
5719     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5720             strlen(device_name));
5721 }
5722
5723 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5724 {
5725   int i;
5726   static struct SetupKeyboardInfo custom_key;
5727   static struct
5728   {
5729     Key *key;
5730     char *text;
5731   } custom[] =
5732   {
5733     { &custom_key.left,  "Joystick Left"  },
5734     { &custom_key.right, "Joystick Right" },
5735     { &custom_key.up,    "Joystick Up"    },
5736     { &custom_key.down,  "Joystick Down"  },
5737     { &custom_key.snap,  "Button 1"       },
5738     { &custom_key.drop,  "Button 2"       }
5739   };
5740   static char *joystick_name[MAX_PLAYERS] =
5741   {
5742     "Joystick1",
5743     "Joystick2",
5744     "Joystick3",
5745     "Joystick4"
5746   };
5747   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5748
5749   InitJoysticks();
5750
5751   custom_key = setup.input[player_nr].key;
5752
5753   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5754            FONT_INPUT_1_ACTIVE);
5755
5756   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5757                              TILEX, TILEY);
5758   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5759                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5760
5761   if (setup.input[player_nr].use_joystick)
5762   {
5763     char *device_name = setup.input[player_nr].joy.device_name;
5764     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
5765     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
5766
5767     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
5768     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
5769   }
5770   else
5771   {
5772     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
5773     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
5774   }
5775
5776   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
5777
5778   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
5779   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
5780   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
5781   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
5782
5783   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
5784   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
5785   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
5786   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
5787   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
5788   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
5789
5790   for (i = 0; i < 6; i++)
5791   {
5792     int ypos = 6 + i + (i > 3 ? i-3 : 0);
5793
5794     DrawText(mSX + 3 * 32, mSY + ypos * 32,
5795              "              ", FONT_VALUE_1);
5796     DrawText(mSX + 3 * 32, mSY + ypos * 32,
5797              (setup.input[player_nr].use_joystick ?
5798               custom[i].text :
5799               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
5800   }
5801 }
5802
5803 static int input_player_nr = 0;
5804
5805 void HandleSetupScreen_Input_Player(int step, int direction)
5806 {
5807   int old_player_nr = input_player_nr;
5808   int new_player_nr;
5809
5810   new_player_nr = old_player_nr + step * direction;
5811   if (new_player_nr < 0)
5812     new_player_nr = 0;
5813   if (new_player_nr > MAX_PLAYERS - 1)
5814     new_player_nr = MAX_PLAYERS - 1;
5815
5816   if (new_player_nr != old_player_nr)
5817   {
5818     input_player_nr = new_player_nr;
5819
5820     drawPlayerSetupInputInfo(input_player_nr, FALSE);
5821   }
5822 }
5823
5824 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
5825 {
5826   static int choice = 0;
5827   int x = 0;
5828   int y = choice;
5829   int pos_start  = SETUPINPUT_SCREEN_POS_START;
5830   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
5831   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
5832   int pos_end    = SETUPINPUT_SCREEN_POS_END;
5833
5834   if (button == MB_MENU_INITIALIZE)
5835   {
5836     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
5837
5838     DrawCursorAndText_Setup(choice, -1, TRUE);
5839
5840     return;
5841   }
5842   else if (button == MB_MENU_LEAVE)
5843   {
5844     setup_mode = SETUP_MODE_MAIN;
5845     DrawSetupScreen();
5846     InitJoysticks();
5847
5848     return;
5849   }
5850
5851   if (mx || my)         /* mouse input */
5852   {
5853     x = (mx - mSX) / 32;
5854     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
5855   }
5856   else if (dx || dy)    /* keyboard input */
5857   {
5858     if (dx && choice == 0)
5859       x = (dx < 0 ? 10 : 12);
5860     else if ((dx && choice == 1) ||
5861              (dx == +1 && choice == 2) ||
5862              (dx == -1 && choice == pos_end))
5863       button = MB_MENU_CHOICE;
5864     else if (dy)
5865       y = choice + dy;
5866
5867     if (y >= pos_empty1 && y <= pos_empty2)
5868       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
5869   }
5870
5871   if (y == 0 && dx != 0 && button)
5872   {
5873     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
5874   }
5875   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
5876            y >= pos_start && y <= pos_end &&
5877            !(y >= pos_empty1 && y <= pos_empty2))
5878   {
5879     if (button)
5880     {
5881       if (y != choice)
5882       {
5883         DrawCursorAndText_Setup(choice, -1, FALSE);
5884         DrawCursorAndText_Setup(y, -1, TRUE);
5885
5886         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
5887
5888         choice = y;
5889       }
5890     }
5891     else
5892     {
5893       if (y == 1)
5894       {
5895         char *device_name = setup.input[input_player_nr].joy.device_name;
5896
5897         if (!setup.input[input_player_nr].use_joystick)
5898         {
5899           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
5900
5901           setJoystickDeviceToNr(device_name, new_device_nr);
5902           setup.input[input_player_nr].use_joystick = TRUE;
5903         }
5904         else
5905         {
5906           int device_nr = getJoystickNrFromDeviceName(device_name);
5907           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
5908
5909           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
5910             setup.input[input_player_nr].use_joystick = FALSE;
5911           else
5912             setJoystickDeviceToNr(device_name, new_device_nr);
5913         }
5914
5915         drawPlayerSetupInputInfo(input_player_nr, FALSE);
5916       }
5917       else if (y == 2)
5918       {
5919         if (setup.input[input_player_nr].use_joystick)
5920         {
5921           InitJoysticks();
5922           CalibrateJoystick(input_player_nr);
5923         }
5924         else
5925           CustomizeKeyboard(input_player_nr);
5926       }
5927       else if (y == pos_end)
5928       {
5929         InitJoysticks();
5930
5931         FadeSetLeaveMenu();
5932
5933         setup_mode = SETUP_MODE_MAIN;
5934         DrawSetupScreen();
5935       }
5936     }
5937   }
5938 }
5939
5940 void CustomizeKeyboard(int player_nr)
5941 {
5942   int i;
5943   int step_nr;
5944   boolean finished = FALSE;
5945   static struct SetupKeyboardInfo custom_key;
5946   static struct
5947   {
5948     Key *key;
5949     char *text;
5950   } customize_step[] =
5951   {
5952     { &custom_key.left,  "Move Left"    },
5953     { &custom_key.right, "Move Right"   },
5954     { &custom_key.up,    "Move Up"      },
5955     { &custom_key.down,  "Move Down"    },
5956     { &custom_key.snap,  "Snap Field"   },
5957     { &custom_key.drop,  "Drop Element" }
5958   };
5959
5960   /* read existing key bindings from player setup */
5961   custom_key = setup.input[player_nr].key;
5962
5963   FadeSetEnterMenu();
5964   FadeOut(REDRAW_FIELD);
5965
5966   ClearField();
5967
5968   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
5969
5970   step_nr = 0;
5971   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
5972            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
5973   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
5974            "Key:", FONT_INPUT_1_ACTIVE);
5975   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
5976            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
5977
5978   FadeIn(REDRAW_FIELD);
5979
5980   InitAnimation();
5981
5982   while (!finished)
5983   {
5984     if (PendingEvent())         /* got event */
5985     {
5986       Event event;
5987
5988       NextEvent(&event);
5989
5990       switch (event.type)
5991       {
5992         case EVENT_KEYPRESS:
5993           {
5994             Key key = GetEventKey((KeyEvent *)&event, FALSE);
5995
5996             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
5997             {
5998               if (key == KSYM_Escape)
5999                 FadeSkipNextFadeIn();
6000
6001               finished = TRUE;
6002               break;
6003             }
6004
6005             /* all keys configured -- wait for "Escape" or "Return" key */
6006             if (step_nr == 6)
6007               break;
6008
6009             /* press 'Enter' to keep the existing key binding */
6010             if (key == KSYM_Return)
6011               key = *customize_step[step_nr].key;
6012
6013             /* check if key already used */
6014             for (i = 0; i < step_nr; i++)
6015               if (*customize_step[i].key == key)
6016                 break;
6017             if (i < step_nr)
6018               break;
6019
6020             /* got new key binding */
6021             *customize_step[step_nr].key = key;
6022             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6023                      "             ", FONT_VALUE_1);
6024             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6025                      getKeyNameFromKey(key), FONT_VALUE_1);
6026             step_nr++;
6027
6028             /* un-highlight last query */
6029             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6030                      customize_step[step_nr - 1].text, FONT_MENU_1);
6031             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6032                      "Key:", FONT_MENU_1);
6033
6034             /* press 'Enter' to leave */
6035             if (step_nr == 6)
6036             {
6037               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6038                        "Press Enter", FONT_TITLE_1);
6039               break;
6040             }
6041
6042             /* query next key binding */
6043             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6044                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6045             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6046                      "Key:", FONT_INPUT_1_ACTIVE);
6047             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6048                      getKeyNameFromKey(*customize_step[step_nr].key),
6049                      FONT_VALUE_OLD);
6050           }
6051           break;
6052
6053         case EVENT_KEYRELEASE:
6054           key_joystick_mapping = 0;
6055           break;
6056
6057         default:
6058           HandleOtherEvents(&event);
6059           break;
6060       }
6061     }
6062
6063     DoAnimation();
6064     BackToFront();
6065
6066     /* don't eat all CPU time */
6067     Delay(10);
6068   }
6069
6070   /* write new key bindings back to player setup */
6071   setup.input[player_nr].key = custom_key;
6072
6073   StopAnimation();
6074   DrawSetupScreen_Input();
6075 }
6076
6077 static boolean CalibrateJoystickMain(int player_nr)
6078 {
6079   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6080   int new_joystick_xright = JOYSTICK_XMIDDLE;
6081   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6082   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6083   int new_joystick_xmiddle, new_joystick_ymiddle;
6084
6085   int joystick_fd = joystick.fd[player_nr];
6086   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6087   boolean check[3][3];
6088   int check_remaining = 3 * 3;
6089   int joy_x, joy_y;
6090   int joy_value;
6091   int result = -1;
6092
6093   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6094     return FALSE;
6095
6096   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6097     return FALSE;
6098
6099   FadeSetEnterMenu();
6100   FadeOut(REDRAW_FIELD);
6101
6102   ClearField();
6103
6104   for (y = 0; y < 3; y++)
6105   {
6106     for (x = 0; x < 3; x++)
6107     {
6108       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6109       check[x][y] = FALSE;
6110     }
6111   }
6112
6113   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6114   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6115   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6116   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6117   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6118   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6119   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6120
6121   joy_value = Joystick(player_nr);
6122   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6123   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6124
6125   /* eventually uncalibrated center position (joystick could be uncentered) */
6126   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6127     return FALSE;
6128
6129   new_joystick_xmiddle = joy_x;
6130   new_joystick_ymiddle = joy_y;
6131
6132   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6133
6134   FadeIn(REDRAW_FIELD);
6135
6136   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6137   InitAnimation();
6138
6139   while (result < 0)
6140   {
6141     if (PendingEvent())         /* got event */
6142     {
6143       Event event;
6144
6145       NextEvent(&event);
6146
6147       switch (event.type)
6148       {
6149         case EVENT_KEYPRESS:
6150           switch (GetEventKey((KeyEvent *)&event, TRUE))
6151           {
6152             case KSYM_Return:
6153               if (check_remaining == 0)
6154                 result = 1;
6155               break;
6156
6157             case KSYM_Escape:
6158               FadeSkipNextFadeIn();
6159               result = 0;
6160               break;
6161
6162             default:
6163               break;
6164           }
6165           break;
6166
6167         case EVENT_KEYRELEASE:
6168           key_joystick_mapping = 0;
6169           break;
6170
6171         default:
6172           HandleOtherEvents(&event);
6173           break;
6174       }
6175     }
6176
6177     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6178       return FALSE;
6179
6180     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6181     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6182     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6183     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6184
6185     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6186     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6187     setup.input[player_nr].joy.xright = new_joystick_xright;
6188     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6189     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6190     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6191
6192     CheckJoystickData();
6193
6194     joy_value = Joystick(player_nr);
6195
6196     if (joy_value & JOY_BUTTON && check_remaining == 0)
6197       result = 1;
6198
6199     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6200     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6201
6202     if (x != last_x || y != last_y)
6203     {
6204       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6205                        IMG_MENU_CALIBRATE_YELLOW, 0);
6206       DrawFixedGraphic(xpos + x,      ypos + y,
6207                        IMG_MENU_CALIBRATE_RED,    0);
6208
6209       last_x = x;
6210       last_y = y;
6211
6212       if (check_remaining > 0 && !check[x+1][y+1])
6213       {
6214         check[x+1][y+1] = TRUE;
6215         check_remaining--;
6216       }
6217     }
6218
6219     DoAnimation();
6220     BackToFront();
6221
6222     /* don't eat all CPU time */
6223     Delay(10);
6224   }
6225
6226   /* calibrated center position (joystick should now be centered) */
6227   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6228     return FALSE;
6229
6230   new_joystick_xmiddle = joy_x;
6231   new_joystick_ymiddle = joy_y;
6232
6233   StopAnimation();
6234
6235   /* wait until the last pressed button was released */
6236   while (Joystick(player_nr) & JOY_BUTTON)
6237   {
6238     if (PendingEvent())         /* got event */
6239     {
6240       Event event;
6241
6242       NextEvent(&event);
6243       HandleOtherEvents(&event);
6244
6245       Delay(10);
6246     }
6247   }
6248
6249   return TRUE;
6250 }
6251
6252 void CalibrateJoystick(int player_nr)
6253 {
6254   if (!CalibrateJoystickMain(player_nr))
6255   {
6256     char *device_name = setup.input[player_nr].joy.device_name;
6257     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6258     int xpos = mSX - SX;
6259     int ypos = mSY - SY;
6260
6261     ClearField();
6262
6263     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6264     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6265     BackToFront();
6266
6267     Delay(2000);                /* show error message for a short time */
6268
6269     ClearEventQueue();
6270   }
6271
6272   DrawSetupScreen_Input();
6273 }
6274
6275 void DrawSetupScreen()
6276 {
6277   DeactivateJoystick();
6278
6279   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6280
6281   if (setup_mode == SETUP_MODE_INPUT)
6282     DrawSetupScreen_Input();
6283   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6284     DrawChooseTree(&game_speed_current);
6285   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6286     DrawChooseTree(&scroll_delay_current);
6287   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6288     DrawChooseTree(&screen_mode_current);
6289   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6290     DrawChooseTree(&window_size_current);
6291   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6292     DrawChooseTree(&scaling_type_current);
6293   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6294     DrawChooseTree(&artwork.gfx_current);
6295   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6296     DrawChooseTree(&artwork.snd_current);
6297   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6298     DrawChooseTree(&artwork.mus_current);
6299   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6300     DrawChooseTree(&volume_simple_current);
6301   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6302     DrawChooseTree(&volume_loops_current);
6303   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6304     DrawChooseTree(&volume_music_current);
6305   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6306     DrawChooseTree(&touch_control_current);
6307   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6308     DrawChooseTree(&move_distance_current);
6309   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6310     DrawChooseTree(&drop_distance_current);
6311   else
6312     DrawSetupScreen_Generic();
6313
6314   PlayMenuSound();
6315   PlayMenuMusic();
6316 }
6317
6318 void RedrawSetupScreenAfterFullscreenToggle()
6319 {
6320   if (setup_mode == SETUP_MODE_GRAPHICS ||
6321       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6322   {
6323     // update list selection from "setup.window_scaling_percent"
6324     execSetupGraphics_setWindowSizes(TRUE);
6325
6326     DrawSetupScreen();
6327   }
6328 }
6329
6330 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6331 {
6332   if (setup_mode == SETUP_MODE_INPUT)
6333     HandleSetupScreen_Input(mx, my, dx, dy, button);
6334   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6335     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6336   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6337     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6338   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6339     HandleChooseTree(mx, my, dx, dy, button, &screen_mode_current);
6340   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6341     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6342   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6343     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6344   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6345     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6346   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6347     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6348   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6349     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6350   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6351     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6352   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6353     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6354   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6355     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6356   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6357     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6358   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6359     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6360   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6361     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6362   else
6363     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6364 }
6365
6366 void HandleGameActions()
6367 {
6368   if (game_status != GAME_MODE_PLAYING)
6369     return;
6370
6371   GameActions();        /* main game loop */
6372
6373   if (tape.auto_play && !tape.playing)
6374     AutoPlayTape();     /* continue automatically playing next tape */
6375 }
6376
6377
6378 /* ---------- new screen button stuff -------------------------------------- */
6379
6380 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6381 {
6382   switch (gadget_id)
6383   {
6384     case SCREEN_CTRL_ID_PREV_LEVEL:
6385       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6386       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6387       break;
6388
6389     case SCREEN_CTRL_ID_NEXT_LEVEL:
6390       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6391       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6392       break;
6393
6394     case SCREEN_CTRL_ID_PREV_PLAYER:
6395       *x = mSX + TILEX * 10;
6396       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6397       break;
6398
6399     case SCREEN_CTRL_ID_NEXT_PLAYER:
6400       *x = mSX + TILEX * 12;
6401       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6402       break;
6403
6404     default:
6405       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6406   }
6407 }
6408
6409 static struct
6410 {
6411   int gfx_unpressed, gfx_pressed;
6412   void (*get_gadget_position)(int *, int *, int);
6413   int gadget_id;
6414   int screen_mask;
6415   char *infotext;
6416 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6417 {
6418   {
6419     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6420     getScreenMenuButtonPos,
6421     SCREEN_CTRL_ID_PREV_LEVEL,
6422     SCREEN_MASK_MAIN,
6423     "last level"
6424   },
6425   {
6426     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6427     getScreenMenuButtonPos,
6428     SCREEN_CTRL_ID_NEXT_LEVEL,
6429     SCREEN_MASK_MAIN,
6430     "next level"
6431   },
6432   {
6433     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6434     getScreenMenuButtonPos,
6435     SCREEN_CTRL_ID_PREV_PLAYER,
6436     SCREEN_MASK_INPUT,
6437     "last player"
6438   },
6439   {
6440     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6441     getScreenMenuButtonPos,
6442     SCREEN_CTRL_ID_NEXT_PLAYER,
6443     SCREEN_MASK_INPUT,
6444     "next player"
6445   },
6446 };
6447
6448 static struct
6449 {
6450   int gfx_unpressed, gfx_pressed;
6451   int x, y;
6452   int gadget_id;
6453   char *infotext;
6454 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6455 {
6456   {
6457     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6458     -1, -1,     /* these values are not constant, but can change at runtime */
6459     SCREEN_CTRL_ID_SCROLL_UP,
6460     "scroll up"
6461   },
6462   {
6463     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6464     -1, -1,     /* these values are not constant, but can change at runtime */
6465     SCREEN_CTRL_ID_SCROLL_DOWN,
6466     "scroll down"
6467   }
6468 };
6469
6470 static struct
6471 {
6472   int gfx_unpressed, gfx_pressed;
6473   int x, y;
6474   int width, height;
6475   int type;
6476   int gadget_id;
6477   char *infotext;
6478 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6479 {
6480   {
6481     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6482     -1, -1,     /* these values are not constant, but can change at runtime */
6483     -1, -1,     /* these values are not constant, but can change at runtime */
6484     GD_TYPE_SCROLLBAR_VERTICAL,
6485     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6486     "scroll level series vertically"
6487   }
6488 };
6489
6490 static void CreateScreenMenubuttons()
6491 {
6492   struct GadgetInfo *gi;
6493   unsigned int event_mask;
6494   int i;
6495
6496   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6497   {
6498     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6499     int gfx_unpressed, gfx_pressed;
6500     int x, y, width, height;
6501     int gd_x1, gd_x2, gd_y1, gd_y2;
6502     int id = menubutton_info[i].gadget_id;
6503
6504     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6505
6506     menubutton_info[i].get_gadget_position(&x, &y, id);
6507
6508     width = SC_MENUBUTTON_XSIZE;
6509     height = SC_MENUBUTTON_YSIZE;
6510
6511     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6512     gfx_pressed   = menubutton_info[i].gfx_pressed;
6513     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6514     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6515     gd_x1 = graphic_info[gfx_unpressed].src_x;
6516     gd_y1 = graphic_info[gfx_unpressed].src_y;
6517     gd_x2 = graphic_info[gfx_pressed].src_x;
6518     gd_y2 = graphic_info[gfx_pressed].src_y;
6519
6520     gi = CreateGadget(GDI_CUSTOM_ID, id,
6521                       GDI_CUSTOM_TYPE_ID, i,
6522                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6523                       GDI_X, x,
6524                       GDI_Y, y,
6525                       GDI_WIDTH, width,
6526                       GDI_HEIGHT, height,
6527                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6528                       GDI_STATE, GD_BUTTON_UNPRESSED,
6529                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6530                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6531                       GDI_DIRECT_DRAW, FALSE,
6532                       GDI_EVENT_MASK, event_mask,
6533                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6534                       GDI_END);
6535
6536     if (gi == NULL)
6537       Error(ERR_EXIT, "cannot create gadget");
6538
6539     screen_gadget[id] = gi;
6540   }
6541 }
6542
6543 static void CreateScreenScrollbuttons()
6544 {
6545   struct GadgetInfo *gi;
6546   unsigned int event_mask;
6547   int i;
6548
6549   /* these values are not constant, but can change at runtime */
6550   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6551   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6552   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6553   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6554
6555   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6556   {
6557     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6558     int gfx_unpressed, gfx_pressed;
6559     int x, y, width, height;
6560     int gd_x1, gd_x2, gd_y1, gd_y2;
6561     int id = scrollbutton_info[i].gadget_id;
6562
6563     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6564
6565     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6566     y = mSY + scrollbutton_info[i].y;
6567     width = SC_SCROLLBUTTON_XSIZE;
6568     height = SC_SCROLLBUTTON_YSIZE;
6569
6570     /* correct scrollbar position if placed outside menu (playfield) area */
6571     if (x > SC_SCROLL_UP_XPOS)
6572       x = SC_SCROLL_UP_XPOS;
6573
6574     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6575       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6576                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6577
6578     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6579     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6580     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6581     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6582     gd_x1 = graphic_info[gfx_unpressed].src_x;
6583     gd_y1 = graphic_info[gfx_unpressed].src_y;
6584     gd_x2 = graphic_info[gfx_pressed].src_x;
6585     gd_y2 = graphic_info[gfx_pressed].src_y;
6586
6587     gi = CreateGadget(GDI_CUSTOM_ID, id,
6588                       GDI_CUSTOM_TYPE_ID, i,
6589                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6590                       GDI_X, x,
6591                       GDI_Y, y,
6592                       GDI_WIDTH, width,
6593                       GDI_HEIGHT, height,
6594                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6595                       GDI_STATE, GD_BUTTON_UNPRESSED,
6596                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6597                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6598                       GDI_DIRECT_DRAW, FALSE,
6599                       GDI_EVENT_MASK, event_mask,
6600                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6601                       GDI_END);
6602
6603     if (gi == NULL)
6604       Error(ERR_EXIT, "cannot create gadget");
6605
6606     screen_gadget[id] = gi;
6607   }
6608 }
6609
6610 static void CreateScreenScrollbars()
6611 {
6612   int i;
6613
6614   /* these values are not constant, but can change at runtime */
6615   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6616   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6617   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6618   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6619
6620   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6621   {
6622     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6623     int gfx_unpressed, gfx_pressed;
6624     int x, y, width, height;
6625     int gd_x1, gd_x2, gd_y1, gd_y2;
6626     struct GadgetInfo *gi;
6627     int items_max, items_visible, item_position;
6628     unsigned int event_mask;
6629     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6630     int id = scrollbar_info[i].gadget_id;
6631
6632     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6633
6634     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6635     y = mSY + scrollbar_info[i].y;
6636     width  = scrollbar_info[i].width;
6637     height = scrollbar_info[i].height;
6638
6639     /* correct scrollbar position if placed outside menu (playfield) area */
6640     if (x > SC_SCROLL_VERTICAL_XPOS)
6641       x = SC_SCROLL_VERTICAL_XPOS;
6642
6643     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6644       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6645
6646     items_max = num_page_entries;
6647     items_visible = num_page_entries;
6648     item_position = 0;
6649
6650     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6651     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6652     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6653     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6654     gd_x1 = graphic_info[gfx_unpressed].src_x;
6655     gd_y1 = graphic_info[gfx_unpressed].src_y;
6656     gd_x2 = graphic_info[gfx_pressed].src_x;
6657     gd_y2 = graphic_info[gfx_pressed].src_y;
6658
6659     gi = CreateGadget(GDI_CUSTOM_ID, id,
6660                       GDI_CUSTOM_TYPE_ID, i,
6661                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6662                       GDI_X, x,
6663                       GDI_Y, y,
6664                       GDI_WIDTH, width,
6665                       GDI_HEIGHT, height,
6666                       GDI_TYPE, scrollbar_info[i].type,
6667                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6668                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6669                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6670                       GDI_WHEEL_AREA_X, SX,
6671                       GDI_WHEEL_AREA_Y, SY,
6672                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6673                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6674                       GDI_STATE, GD_BUTTON_UNPRESSED,
6675                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6676                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6677                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6678                       GDI_DIRECT_DRAW, FALSE,
6679                       GDI_EVENT_MASK, event_mask,
6680                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6681                       GDI_END);
6682
6683     if (gi == NULL)
6684       Error(ERR_EXIT, "cannot create gadget");
6685
6686     screen_gadget[id] = gi;
6687   }
6688 }
6689
6690 void CreateScreenGadgets()
6691 {
6692   int last_game_status = game_status;   /* save current game status */
6693
6694   CreateScreenMenubuttons();
6695
6696   CreateScreenScrollbuttons();
6697   CreateScreenScrollbars();
6698
6699   game_status = last_game_status;       /* restore current game status */
6700 }
6701
6702 void FreeScreenGadgets()
6703 {
6704   int i;
6705
6706   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6707     FreeGadget(screen_gadget[i]);
6708 }
6709
6710 void MapScreenMenuGadgets(int screen_mask)
6711 {
6712   int i;
6713
6714   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6715     if (screen_mask & menubutton_info[i].screen_mask)
6716       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6717 }
6718
6719 void MapScreenGadgets(int num_entries)
6720 {
6721   int i;
6722
6723   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6724     return;
6725
6726   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6727     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6728
6729   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6730     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6731 }
6732
6733 void MapScreenTreeGadgets(TreeInfo *ti)
6734 {
6735   MapScreenGadgets(numTreeInfoInGroup(ti));
6736 }
6737
6738 static void HandleScreenGadgets(struct GadgetInfo *gi)
6739 {
6740   int id = gi->custom_id;
6741   int button = gi->event.button;
6742   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6743
6744   switch (id)
6745   {
6746     case SCREEN_CTRL_ID_PREV_LEVEL:
6747       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6748       break;
6749
6750     case SCREEN_CTRL_ID_NEXT_LEVEL:
6751       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6752       break;
6753
6754     case SCREEN_CTRL_ID_PREV_PLAYER:
6755       HandleSetupScreen_Input_Player(step, -1);
6756       break;
6757
6758     case SCREEN_CTRL_ID_NEXT_PLAYER:
6759       HandleSetupScreen_Input_Player(step, +1);
6760       break;
6761
6762     case SCREEN_CTRL_ID_SCROLL_UP:
6763       if (game_status == GAME_MODE_LEVELS)
6764         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6765       else if (game_status == GAME_MODE_LEVELNR)
6766         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6767       else if (game_status == GAME_MODE_SETUP)
6768         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6769       break;
6770
6771     case SCREEN_CTRL_ID_SCROLL_DOWN:
6772       if (game_status == GAME_MODE_LEVELS)
6773         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6774       else if (game_status == GAME_MODE_LEVELNR)
6775         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6776       else if (game_status == GAME_MODE_SETUP)
6777         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6778       break;
6779
6780     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
6781       if (game_status == GAME_MODE_LEVELS)
6782         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
6783       else if (game_status == GAME_MODE_LEVELNR)
6784         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
6785       else if (game_status == GAME_MODE_SETUP)
6786         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
6787       break;
6788
6789     default:
6790       break;
6791   }
6792 }