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_SNAPSHOT_MODE 18
  64 #define SETUP_MODE_CHOOSE_SCREEN_MODE   19
  65 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
  66 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
  67 #define SETUP_MODE_CHOOSE_GRAPHICS      22
  68 #define SETUP_MODE_CHOOSE_SOUNDS        23
  69 #define SETUP_MODE_CHOOSE_MUSIC         24
  70 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 25
  71 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  26
  72 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  27
  73 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 28
  74 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 29
  75 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 30
  76
  77 #define MAX_SETUP_MODES                 31
  78
  79 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  80
  81 /* for input setup functions */
  82 #define SETUPINPUT_SCREEN_POS_START     0
  83 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  84 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  85 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  86
  87 /* for various menu stuff  */
  88 #define MENU_SCREEN_START_XPOS          1
  89 #define MENU_SCREEN_START_YPOS          2
  90 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
  91 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
  92 #define MENU_TITLE1_YPOS                8
  93 #define MENU_TITLE2_YPOS                46
  94 #define MENU_SCREEN_INFO_XSTART         16
  95 #define MENU_SCREEN_INFO_YSTART1        100
  96 #define MENU_SCREEN_INFO_YSTART2        128
  97 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
  98 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - 20)
  99 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 100                                          MENU_SCREEN_INFO_YSTART2 -     \
 101                                          TILEY / 2)
 102 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 103 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 104                                          MENU_SCREEN_INFO_YSTEP)
 105 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 106   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 107    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 108    MAX_MENU_ENTRIES_ON_SCREEN)
 109 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 110                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 111                                             NUM_INFO_ELEMENTS_FROM_CONF)
 112 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 113 #define MAX_MENU_TEXT_LENGTH_BIG        13
 114 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 115
 116 /* buttons and scrollbars identifiers */
 117 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 118 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 119 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 120 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 121 #define SCREEN_CTRL_ID_SCROLL_UP        4
 122 #define SCREEN_CTRL_ID_SCROLL_DOWN      5
 123 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  6
 124
 125 #define NUM_SCREEN_GADGETS              7
 126
 127 #define NUM_SCREEN_MENUBUTTONS          4
 128 #define NUM_SCREEN_SCROLLBUTTONS        2
 129 #define NUM_SCREEN_SCROLLBARS           1
 130
 131 #define SCREEN_MASK_MAIN                (1 << 0)
 132 #define SCREEN_MASK_INPUT               (1 << 1)
 133
 134 /* graphic position and size values for buttons and scrollbars */
 135 #define SC_MENUBUTTON_XSIZE             TILEX
 136 #define SC_MENUBUTTON_YSIZE             TILEY
 137
 138 #define SC_SCROLLBUTTON_XSIZE           TILEX
 139 #define SC_SCROLLBUTTON_YSIZE           TILEY
 140
 141 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 142
 143 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 144 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 145                                          SC_SCROLLBUTTON_YSIZE)
 146
 147 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 148 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 149
 150 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 151 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 152                                          SC_SCROLLBUTTON_YSIZE)
 153
 154 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 155 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 156                                          SC_SCROLL_VERTICAL_YSIZE)
 157
 158 #define SC_BORDER_SIZE                  14
 159
 160
 161 /* forward declarations of internal functions */
 162 static void HandleScreenGadgets(struct GadgetInfo *);
 163 static void HandleSetupScreen_Generic(int, int, int, int, int);
 164 static void HandleSetupScreen_Input(int, int, int, int, int);
 165 static void CustomizeKeyboard(int);
 166 static void CalibrateJoystick(int);
 167 static void execSetupGame(void);
 168 static void execSetupGraphics(void);
 169 static void execSetupSound(void);
 170 static void execSetupTouch(void);
 171 static void execSetupArtwork(void);
 172 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 173
 174 static void DrawChooseLevelSet(void);
 175 static void DrawChooseLevelNr(void);
 176 static void DrawInfoScreen(void);
 177 static void DrawSetupScreen(void);
 178
 179 static void DrawInfoScreen_NotAvailable(char *, char *);
 180 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 181 static void DrawInfoScreen_HelpText(int, int, int, int);
 182 static void HandleInfoScreen_Main(int, int, int, int, int);
 183 static void HandleInfoScreen_TitleScreen(int);
 184 static void HandleInfoScreen_Elements(int);
 185 static void HandleInfoScreen_Music(int);
 186 static void HandleInfoScreen_Credits(int);
 187 static void HandleInfoScreen_Program(int);
 188 static void HandleInfoScreen_Version(int);
 189
 190 static void MapScreenMenuGadgets(int);
 191 static void MapScreenGadgets(int);
 192 static void MapScreenTreeGadgets(TreeInfo *);
 193
 194 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 195
 196 static int info_mode = INFO_MODE_MAIN;
 197 static int setup_mode = SETUP_MODE_MAIN;
 198
 199 static TreeInfo *screen_modes = NULL;
 200 static TreeInfo *screen_mode_current = NULL;
 201
 202 static TreeInfo *window_sizes = NULL;
 203 static TreeInfo *window_size_current = NULL;
 204
 205 static TreeInfo *scaling_types = NULL;
 206 static TreeInfo *scaling_type_current = NULL;
 207
 208 static TreeInfo *scroll_delays = NULL;
 209 static TreeInfo *scroll_delay_current = NULL;
 210
 211 static TreeInfo *snapshot_modes = NULL;
 212 static TreeInfo *snapshot_mode_current = NULL;
 213
 214 static TreeInfo *game_speeds = NULL;
 215 static TreeInfo *game_speed_current = NULL;
 216
 217 static TreeInfo *volumes_simple = NULL;
 218 static TreeInfo *volume_simple_current = NULL;
 219
 220 static TreeInfo *volumes_loops = NULL;
 221 static TreeInfo *volume_loops_current = NULL;
 222
 223 static TreeInfo *volumes_music = NULL;
 224 static TreeInfo *volume_music_current = NULL;
 225
 226 static TreeInfo *touch_controls = NULL;
 227 static TreeInfo *touch_control_current = NULL;
 228
 229 static TreeInfo *move_distances = NULL;
 230 static TreeInfo *move_distance_current = NULL;
 231
 232 static TreeInfo *drop_distances = NULL;
 233 static TreeInfo *drop_distance_current = NULL;
 234
 235 static TreeInfo *level_number = NULL;
 236 static TreeInfo *level_number_current = NULL;
 237
 238 static struct
 239 {
 240   int value;
 241   char *text;
 242 } window_sizes_list[] =
 243 {
 244   {     50,     "50 %"                          },
 245   {     80,     "80 %"                          },
 246   {     90,     "90 %"                          },
 247   {     100,    "100 % (Default)"               },
 248   {     110,    "110 %"                         },
 249   {     120,    "120 %"                         },
 250   {     130,    "130 %"                         },
 251   {     140,    "140 %"                         },
 252   {     150,    "150 %"                         },
 253   {     200,    "200 %"                         },
 254   {     250,    "250 %"                         },
 255   {     300,    "300 %"                         },
 256
 257   {     -1,     NULL                            },
 258 };
 259
 260 static struct
 261 {
 262   char *value;
 263   char *text;
 264 } scaling_types_list[] =
 265 {
 266   {     SCALING_QUALITY_NEAREST, "None"         },
 267   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 268   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 269
 270   {     NULL,                    NULL           },
 271 };
 272
 273 static struct
 274 {
 275   int value;
 276   char *text;
 277 } game_speeds_list[] =
 278 {
 279 #if 1
 280   {     30,     "Very Slow"                     },
 281   {     25,     "Slow"                          },
 282   {     20,     "Normal"                        },
 283   {     15,     "Fast"                          },
 284   {     10,     "Very Fast"                     },
 285 #else
 286   {     1000,   "1/1s (Extremely Slow)"         },
 287   {     500,    "1/2s"                          },
 288   {     200,    "1/5s"                          },
 289   {     100,    "1/10s"                         },
 290   {     50,     "1/20s"                         },
 291   {     29,     "1/35s (Original Supaplex)"     },
 292   {     25,     "1/40s"                         },
 293   {     20,     "1/50s (Normal Speed)"          },
 294   {     14,     "1/70s (Maximum Supaplex)"      },
 295   {     10,     "1/100s"                        },
 296   {     5,      "1/200s"                        },
 297   {     2,      "1/500s"                        },
 298   {     1,      "1/1000s (Extremely Fast)"      },
 299 #endif
 300
 301   {     -1,     NULL                            },
 302 };
 303
 304 static struct
 305 {
 306   int value;
 307   char *text;
 308 } scroll_delays_list[] =
 309 {
 310   {     0,      "0 Tiles (No Scroll Delay)"     },
 311   {     1,      "1 Tile"                        },
 312   {     2,      "2 Tiles"                       },
 313   {     3,      "3 Tiles (Default)"             },
 314   {     4,      "4 Tiles"                       },
 315   {     5,      "5 Tiles"                       },
 316   {     6,      "6 Tiles"                       },
 317   {     7,      "7 Tiles"                       },
 318   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 319
 320   {     -1,     NULL                            },
 321 };
 322
 323 static struct
 324 {
 325   char *value;
 326   char *text;
 327 } snapshot_modes_list[] =
 328 {
 329   {     STR_SNAPSHOT_MODE_OFF,          "Off"           },
 330   {     STR_SNAPSHOT_MODE_EVERY_STEP,   "Every Step"    },
 331   {     STR_SNAPSHOT_MODE_EVERY_MOVE,   "Every Move"    },
 332
 333   {     NULL,                           NULL            },
 334 };
 335
 336 static struct
 337 {
 338   int value;
 339   char *text;
 340 } volumes_list[] =
 341 {
 342   {     0,      "0 %"                           },
 343   {     1,      "1 %"                           },
 344   {     2,      "2 %"                           },
 345   {     5,      "5 %"                           },
 346   {     10,     "10 %"                          },
 347   {     20,     "20 %"                          },
 348   {     30,     "30 %"                          },
 349   {     40,     "40 %"                          },
 350   {     50,     "50 %"                          },
 351   {     60,     "60 %"                          },
 352   {     70,     "70 %"                          },
 353   {     80,     "80 %"                          },
 354   {     90,     "90 %"                          },
 355   {     100,    "100 %"                         },
 356
 357   {     -1,     NULL                            },
 358 };
 359
 360 static struct
 361 {
 362   char *value;
 363   char *text;
 364 } touch_controls_list[] =
 365 {
 366   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 367   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 368
 369   {     NULL,                           NULL                    },
 370 };
 371
 372 static struct
 373 {
 374   int value;
 375   char *text;
 376 } distances_list[] =
 377 {
 378   {     1,      "1 %"                           },
 379   {     2,      "2 %"                           },
 380   {     3,      "3 %"                           },
 381   {     4,      "4 %"                           },
 382   {     5,      "5 %"                           },
 383   {     10,     "10 %"                          },
 384   {     15,     "15 %"                          },
 385   {     20,     "20 %"                          },
 386   {     25,     "25 %"                          },
 387
 388   {     -1,     NULL                            },
 389 };
 390
 391 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 392                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 393                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 394                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 395
 396 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 397 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 398                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 399                                  INFO_MODE_MAIN)
 400
 401 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 402                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 403                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 404                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 405                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 406                                  SETUP_MODE_CHOOSE_OTHER)
 407
 408 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 409                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 410                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 411 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 412                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 413                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 414
 415 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 416                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 417                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 418 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 419                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 420                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 421
 422 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 423                                  DRAW_XOFFSET_INFO(info_mode) :         \
 424                                  (s) == GAME_MODE_SETUP ?               \
 425                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 426                                  menu.draw_xoffset[DRAW_MODE(s)])
 427 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 428                                  DRAW_YOFFSET_INFO(info_mode) :         \
 429                                  (s) == GAME_MODE_SETUP ?               \
 430                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 431                                  menu.draw_yoffset[DRAW_MODE(s)])
 432
 433 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 434 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 435
 436 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 437                                     menu.list_size[game_status] :       \
 438                                     MAX_MENU_ENTRIES_ON_SCREEN)
 439
 440 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 441                                          NUM_MENU_ENTRIES_ON_SCREEN)
 442
 443
 444 /* title display and control definitions */
 445
 446 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 447                                  2 * MAX_NUM_TITLE_MESSAGES)
 448
 449 #define NO_DIRECT_LEVEL_SELECT  (-1)
 450
 451
 452 static int num_title_screens = 0;
 453
 454 struct TitleControlInfo
 455 {
 456   boolean is_image;
 457   boolean initial;
 458   int local_nr;
 459   int sort_priority;
 460 };
 461
 462 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 463
 464 /* main menu display and control definitions */
 465
 466 #define MAIN_CONTROL_NAME                       0
 467 #define MAIN_CONTROL_LEVELS                     1
 468 #define MAIN_CONTROL_SCORES                     2
 469 #define MAIN_CONTROL_EDITOR                     3
 470 #define MAIN_CONTROL_INFO                       4
 471 #define MAIN_CONTROL_GAME                       5
 472 #define MAIN_CONTROL_SETUP                      6
 473 #define MAIN_CONTROL_QUIT                       7
 474 #define MAIN_CONTROL_PREV_LEVEL                 8
 475 #define MAIN_CONTROL_NEXT_LEVEL                 9
 476 #define MAIN_CONTROL_FIRST_LEVEL                10
 477 #define MAIN_CONTROL_LAST_LEVEL                 11
 478 #define MAIN_CONTROL_LEVEL_NUMBER               12
 479 #define MAIN_CONTROL_LEVEL_INFO_1               13
 480 #define MAIN_CONTROL_LEVEL_INFO_2               14
 481 #define MAIN_CONTROL_LEVEL_NAME                 15
 482 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 483 #define MAIN_CONTROL_LEVEL_YEAR                 17
 484 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 485 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 486 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 487 #define MAIN_CONTROL_TITLE_1                    21
 488 #define MAIN_CONTROL_TITLE_2                    22
 489 #define MAIN_CONTROL_TITLE_3                    23
 490
 491 static char str_main_text_name[10];
 492 static char str_main_text_first_level[10];
 493 static char str_main_text_last_level[10];
 494 static char str_main_text_level_number[10];
 495
 496 static char *main_text_name                     = str_main_text_name;
 497 static char *main_text_first_level              = str_main_text_first_level;
 498 static char *main_text_last_level               = str_main_text_last_level;
 499 static char *main_text_level_number             = str_main_text_level_number;
 500 static char *main_text_levels                   = "Levelset";
 501 static char *main_text_scores                   = "Hall Of Fame";
 502 static char *main_text_editor                   = "Level Creator";
 503 static char *main_text_info                     = "Info Screen";
 504 static char *main_text_game                     = "Start Game";
 505 static char *main_text_setup                    = "Setup";
 506 static char *main_text_quit                     = "Quit";
 507 static char *main_text_level_name               = level.name;
 508 static char *main_text_level_author             = level.author;
 509 static char *main_text_level_year               = NULL;
 510 static char *main_text_level_imported_from      = NULL;
 511 static char *main_text_level_imported_by        = NULL;
 512 static char *main_text_level_tested_by          = NULL;
 513
 514 struct MainControlInfo
 515 {
 516   int nr;
 517
 518   struct MenuPosInfo *pos_button;
 519   int button_graphic;
 520
 521   struct TextPosInfo *pos_text;
 522   char **text;
 523
 524   struct TextPosInfo *pos_input;
 525   char **input;
 526 };
 527
 528 static struct MainControlInfo main_controls[] =
 529 {
 530   {
 531     MAIN_CONTROL_NAME,
 532     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 533     &menu.main.text.name,               &main_text_name,
 534     &menu.main.input.name,              &setup.player_name,
 535   },
 536   {
 537     MAIN_CONTROL_LEVELS,
 538     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 539     &menu.main.text.levels,             &main_text_levels,
 540     NULL,                               NULL,
 541   },
 542   {
 543     MAIN_CONTROL_SCORES,
 544     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 545     &menu.main.text.scores,             &main_text_scores,
 546     NULL,                               NULL,
 547   },
 548   {
 549     MAIN_CONTROL_EDITOR,
 550     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 551     &menu.main.text.editor,             &main_text_editor,
 552     NULL,                               NULL,
 553   },
 554   {
 555     MAIN_CONTROL_INFO,
 556     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 557     &menu.main.text.info,               &main_text_info,
 558     NULL,                               NULL,
 559   },
 560   {
 561     MAIN_CONTROL_GAME,
 562     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 563     &menu.main.text.game,               &main_text_game,
 564     NULL,                               NULL,
 565   },
 566   {
 567     MAIN_CONTROL_SETUP,
 568     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 569     &menu.main.text.setup,              &main_text_setup,
 570     NULL,                               NULL,
 571   },
 572   {
 573     MAIN_CONTROL_QUIT,
 574     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 575     &menu.main.text.quit,               &main_text_quit,
 576     NULL,                               NULL,
 577   },
 578 #if 0
 579   /* (these two buttons are real gadgets) */
 580   {
 581     MAIN_CONTROL_PREV_LEVEL,
 582     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 583     NULL,                               NULL,
 584     NULL,                               NULL,
 585   },
 586   {
 587     MAIN_CONTROL_NEXT_LEVEL,
 588     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 589     NULL,                               NULL,
 590     NULL,                               NULL,
 591   },
 592 #endif
 593   {
 594     MAIN_CONTROL_FIRST_LEVEL,
 595     NULL,                               -1,
 596     &menu.main.text.first_level,        &main_text_first_level,
 597     NULL,                               NULL,
 598   },
 599   {
 600     MAIN_CONTROL_LAST_LEVEL,
 601     NULL,                               -1,
 602     &menu.main.text.last_level,         &main_text_last_level,
 603     NULL,                               NULL,
 604   },
 605   {
 606     MAIN_CONTROL_LEVEL_NUMBER,
 607     NULL,                               -1,
 608     &menu.main.text.level_number,       &main_text_level_number,
 609     NULL,                               NULL,
 610   },
 611   {
 612     MAIN_CONTROL_LEVEL_INFO_1,
 613     NULL,                               -1,
 614     &menu.main.text.level_info_1,       NULL,
 615     NULL,                               NULL,
 616   },
 617   {
 618     MAIN_CONTROL_LEVEL_INFO_2,
 619     NULL,                               -1,
 620     &menu.main.text.level_info_2,       NULL,
 621     NULL,                               NULL,
 622   },
 623   {
 624     MAIN_CONTROL_LEVEL_NAME,
 625     NULL,                               -1,
 626     &menu.main.text.level_name,         &main_text_level_name,
 627     NULL,                               NULL,
 628   },
 629   {
 630     MAIN_CONTROL_LEVEL_AUTHOR,
 631     NULL,                               -1,
 632     &menu.main.text.level_author,       &main_text_level_author,
 633     NULL,                               NULL,
 634   },
 635   {
 636     MAIN_CONTROL_LEVEL_YEAR,
 637     NULL,                               -1,
 638     &menu.main.text.level_year,         &main_text_level_year,
 639     NULL,                               NULL,
 640   },
 641   {
 642     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 643     NULL,                               -1,
 644     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 645     NULL,                               NULL,
 646   },
 647   {
 648     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 649     NULL,                               -1,
 650     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 651     NULL,                               NULL,
 652   },
 653   {
 654     MAIN_CONTROL_LEVEL_TESTED_BY,
 655     NULL,                               -1,
 656     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 657     NULL,                               NULL,
 658   },
 659   {
 660     MAIN_CONTROL_TITLE_1,
 661     NULL,                               -1,
 662     &menu.main.text.title_1,            &setup.internal.program_title,
 663     NULL,                               NULL,
 664   },
 665   {
 666     MAIN_CONTROL_TITLE_2,
 667     NULL,                               -1,
 668     &menu.main.text.title_2,            &setup.internal.program_copyright,
 669     NULL,                               NULL,
 670   },
 671   {
 672     MAIN_CONTROL_TITLE_3,
 673     NULL,                               -1,
 674     &menu.main.text.title_3,            &setup.internal.program_company,
 675     NULL,                               NULL,
 676   },
 677
 678   {
 679     -1,
 680     NULL,                               -1,
 681     NULL,                               NULL,
 682     NULL,                               NULL,
 683   }
 684 };
 685
 686
 687 static int getTitleScreenGraphic(int nr, boolean initial)
 688 {
 689   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 690 }
 691
 692 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 693 {
 694   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 695 }
 696
 697 #if 0
 698 static int getTitleScreenGameMode(boolean initial)
 699 {
 700   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 701 }
 702 #endif
 703
 704 static int getTitleMessageGameMode(boolean initial)
 705 {
 706   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 707 }
 708
 709 #if 0
 710 static int getTitleScreenBackground(boolean initial)
 711 {
 712   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 713 }
 714 #endif
 715
 716 #if 0
 717 static int getTitleMessageBackground(int nr, boolean initial)
 718 {
 719   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 720 }
 721 #endif
 722
 723 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 724 {
 725   int base = (is_image ?
 726               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 727                          IMG_BACKGROUND_TITLESCREEN_1) :
 728               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 729                          IMG_BACKGROUND_TITLEMESSAGE_1));
 730   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 731                                   IMG_BACKGROUND_TITLE);
 732   int graphic_local = base + nr;
 733
 734   if (graphic_info[graphic_local].bitmap != NULL)
 735     return graphic_local;
 736
 737   if (graphic_info[graphic_global].bitmap != NULL)
 738     return graphic_global;
 739
 740   return IMG_UNDEFINED;
 741 }
 742
 743 static int getTitleSound(struct TitleControlInfo *tci)
 744 {
 745   boolean is_image = tci->is_image;
 746   int initial = tci->initial;
 747   int nr = tci->local_nr;
 748   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 749   int base = (is_image ?
 750               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 751                          SND_BACKGROUND_TITLESCREEN_1) :
 752               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 753                          SND_BACKGROUND_TITLEMESSAGE_1));
 754   int sound_global = menu.sound[mode];
 755   int sound_local = base + nr;
 756
 757 #if 0
 758   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 759          nr, initial, is_image,
 760          sound_global, getSoundListEntry(sound_global)->filename,
 761          sound_local, getSoundListEntry(sound_local)->filename);
 762 #endif
 763
 764   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 765     return sound_local;
 766
 767   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 768     return sound_global;
 769
 770   return SND_UNDEFINED;
 771 }
 772
 773 static int getTitleMusic(struct TitleControlInfo *tci)
 774 {
 775   boolean is_image = tci->is_image;
 776   int initial = tci->initial;
 777   int nr = tci->local_nr;
 778   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 779   int base = (is_image ?
 780               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 781                          MUS_BACKGROUND_TITLESCREEN_1) :
 782               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 783                          MUS_BACKGROUND_TITLEMESSAGE_1));
 784   int music_global = menu.music[mode];
 785   int music_local = base + nr;
 786
 787 #if 0
 788   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 789          nr, initial, is_image,
 790          music_global, getMusicListEntry(music_global)->filename,
 791          music_local, getMusicListEntry(music_local)->filename);
 792 #endif
 793
 794   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 795     return music_local;
 796
 797   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 798     return music_global;
 799
 800   return MUS_UNDEFINED;
 801 }
 802
 803 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 804 {
 805   boolean is_image = tci->is_image;
 806   int initial = tci->initial;
 807   int nr = tci->local_nr;
 808   struct TitleFadingInfo ti;
 809
 810   if (is_image)
 811   {
 812     int graphic = getTitleScreenGraphic(nr, initial);
 813
 814     /* initialize fading control values to default title config settings */
 815     ti = (initial ? title_initial_default : title_default);
 816
 817     /* override default settings with image config settings, if defined */
 818     if (graphic_info[graphic].fade_mode != FADE_MODE_DEFAULT)
 819       ti.fade_mode = graphic_info[graphic].fade_mode;
 820     if (graphic_info[graphic].fade_delay > -1)
 821       ti.fade_delay = graphic_info[graphic].fade_delay;
 822     if (graphic_info[graphic].post_delay > -1)
 823       ti.post_delay = graphic_info[graphic].post_delay;
 824     if (graphic_info[graphic].auto_delay > -1)
 825       ti.auto_delay = graphic_info[graphic].auto_delay;
 826   }
 827   else
 828   {
 829     if (initial)
 830     {
 831       ti.fade_mode  = titlemessage_initial[nr].fade_mode;
 832       ti.fade_delay = titlemessage_initial[nr].fade_delay;
 833       ti.post_delay = titlemessage_initial[nr].post_delay;
 834       ti.auto_delay = titlemessage_initial[nr].auto_delay;
 835     }
 836     else
 837     {
 838       ti.fade_mode  = titlemessage[nr].fade_mode;
 839       ti.fade_delay = titlemessage[nr].fade_delay;
 840       ti.post_delay = titlemessage[nr].post_delay;
 841       ti.auto_delay = titlemessage[nr].auto_delay;
 842     }
 843   }
 844
 845   return ti;
 846 }
 847
 848 static int compareTitleControlInfo(const void *object1, const void *object2)
 849 {
 850   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 851   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 852   int compare_result;
 853
 854   if (tci1->initial != tci2->initial)
 855     compare_result = (tci1->initial ? -1 : +1);
 856   else if (tci1->sort_priority != tci2->sort_priority)
 857     compare_result = tci1->sort_priority - tci2->sort_priority;
 858   else if (tci1->is_image != tci2->is_image)
 859     compare_result = (tci1->is_image ? -1 : +1);
 860   else
 861     compare_result = tci1->local_nr - tci2->local_nr;
 862
 863   return compare_result;
 864 }
 865
 866 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 867                                                     boolean initial,
 868                                                     int nr, int sort_priority)
 869 {
 870   title_controls[num_title_screens].is_image = is_image;
 871   title_controls[num_title_screens].initial = initial;
 872   title_controls[num_title_screens].local_nr = nr;
 873   title_controls[num_title_screens].sort_priority = sort_priority;
 874
 875   num_title_screens++;
 876 }
 877
 878 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 879 {
 880   int i;
 881
 882   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 883   {
 884     int graphic = getTitleScreenGraphic(i, initial);
 885     Bitmap *bitmap = graphic_info[graphic].bitmap;
 886     int sort_priority = graphic_info[graphic].sort_priority;
 887
 888     if (bitmap != NULL)
 889       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 890   }
 891
 892   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 893   {
 894     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 895     char *filename = getLevelSetTitleMessageFilename(i, initial);
 896     int sort_priority = tmi->sort_priority;
 897
 898     if (filename != NULL)
 899       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 900   }
 901 }
 902
 903 static void InitializeTitleControls(boolean show_title_initial)
 904 {
 905   num_title_screens = 0;
 906
 907   /* 1st step: initialize title screens for game start (only when starting) */
 908   if (show_title_initial)
 909     InitializeTitleControls_CheckTitleInfo(TRUE);
 910
 911   /* 2nd step: initialize title screens for current level set */
 912   InitializeTitleControls_CheckTitleInfo(FALSE);
 913
 914   /* sort title screens according to sort_priority and title number */
 915   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 916         compareTitleControlInfo);
 917 }
 918
 919 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 920 {
 921   return (pos != NULL && pos->x != -1 && pos->y != -1);
 922 }
 923
 924 static boolean visibleTextPos(struct TextPosInfo *pos)
 925 {
 926   return (pos != NULL && pos->x != -1 && pos->y != -1);
 927 }
 928
 929 static void InitializeMainControls()
 930 {
 931   boolean local_team_mode = (!options.network && setup.team_mode);
 932   int i;
 933
 934   /* set main control text values to dynamically determined values */
 935   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 936
 937   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 938                                          menu.main.text.first_level.size));
 939   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 940                                          menu.main.text.last_level.size));
 941   strcpy(main_text_level_number, int2str(level_nr,
 942                                          menu.main.text.level_number.size));
 943
 944   main_text_level_year          = leveldir_current->year;
 945   main_text_level_imported_from = leveldir_current->imported_from;
 946   main_text_level_imported_by   = leveldir_current->imported_by;
 947   main_text_level_tested_by     = leveldir_current->tested_by;
 948
 949   /* set main control screen positions to dynamically determined values */
 950   for (i = 0; main_controls[i].nr != -1; i++)
 951   {
 952     struct MainControlInfo *mci = &main_controls[i];
 953     int nr                         = mci->nr;
 954     struct MenuPosInfo *pos_button = mci->pos_button;
 955     struct TextPosInfo *pos_text   = mci->pos_text;
 956     struct TextPosInfo *pos_input  = mci->pos_input;
 957     char *text                     = (mci->text  ? *mci->text  : NULL);
 958     char *input                    = (mci->input ? *mci->input : NULL);
 959     int button_graphic             = mci->button_graphic;
 960     int font_text                  = (pos_text  ? pos_text->font  : -1);
 961     int font_input                 = (pos_input ? pos_input->font : -1);
 962
 963     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 964     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 965     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 966     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 967     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 968     int input_chars = (input != NULL ? strlen(input) : 0);
 969
 970     int button_width =
 971       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 972     int button_height =
 973       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 974     int text_width   = font_text_width * text_chars;
 975     int text_height  = font_text_height;
 976     int input_width  = font_input_width * input_chars;
 977     int input_height = font_input_height;
 978
 979     if (nr == MAIN_CONTROL_NAME)
 980     {
 981       menu.main.input.name.width  = input_width;
 982       menu.main.input.name.height = input_height;
 983     }
 984
 985     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
 986     {
 987       pos_button->width  = button_width;
 988       pos_button->height = button_height;
 989     }
 990
 991     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
 992     {
 993       /* calculate size for non-clickable text -- needed for text alignment */
 994       boolean calculate_text_size = (pos_button == NULL && text != NULL);
 995
 996       if (pos_text->width == -1 || calculate_text_size)
 997         pos_text->width = text_width;
 998       if (pos_text->height == -1 || calculate_text_size)
 999         pos_text->height = text_height;
1000
1001       if (visibleMenuPos(pos_button))
1002       {
1003         if (pos_text->x == -1)
1004           pos_text->x = pos_button->x + pos_button->width;
1005         if (pos_text->y == -1)
1006           pos_text->y =
1007             pos_button->y + (pos_button->height - pos_text->height) / 2;
1008       }
1009     }
1010
1011     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1012     {
1013       if (visibleTextPos(pos_text))
1014       {
1015         if (pos_input->x == -1)
1016           pos_input->x = pos_text->x + pos_text->width;
1017         if (pos_input->y == -1)
1018           pos_input->y = pos_text->y;
1019       }
1020
1021       if (pos_input->width == -1)
1022         pos_input->width = input_width;
1023       if (pos_input->height == -1)
1024         pos_input->height = input_height;
1025     }
1026   }
1027 }
1028
1029 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1030                                        int graphic, boolean pressed)
1031 {
1032   struct GraphicInfo *g = &graphic_info[graphic];
1033   Bitmap *src_bitmap;
1034   int src_x, src_y;
1035   int xoffset = (pressed ? g->pressed_xoffset : 0);
1036   int yoffset = (pressed ? g->pressed_yoffset : 0);
1037
1038   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1039
1040   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1041                    g->width, g->height, dst_x, dst_y);
1042 }
1043
1044 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1045                                        boolean active_input,
1046                                        boolean pressed_button)
1047 {
1048   int i;
1049
1050   for (i = 0; main_controls[i].nr != -1; i++)
1051   {
1052     struct MainControlInfo *mci = &main_controls[i];
1053
1054     if (mci->nr == nr || nr == -1)
1055     {
1056       struct MenuPosInfo *pos_button = mci->pos_button;
1057       struct TextPosInfo *pos_text   = mci->pos_text;
1058       struct TextPosInfo *pos_input  = mci->pos_input;
1059       char *text                     = (mci->text  ? *mci->text  : NULL);
1060       char *input                    = (mci->input ? *mci->input : NULL);
1061       int button_graphic             = mci->button_graphic;
1062       int font_text                  = (pos_text  ? pos_text->font  : -1);
1063       int font_input                 = (pos_input ? pos_input->font : -1);
1064
1065       if (active_text)
1066       {
1067         button_graphic = BUTTON_ACTIVE(button_graphic);
1068         font_text = FONT_ACTIVE(font_text);
1069       }
1070
1071       if (active_input)
1072       {
1073         font_input = FONT_ACTIVE(font_input);
1074       }
1075
1076       if (visibleMenuPos(pos_button))
1077       {
1078         struct MenuPosInfo *pos = pos_button;
1079         int x = mSX + pos->x;
1080         int y = mSY + pos->y;
1081
1082         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1083         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1084       }
1085
1086       if (visibleTextPos(pos_text) && text != NULL)
1087       {
1088         struct TextPosInfo *pos = pos_text;
1089         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1090         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1091
1092 #if 1
1093         /* (check why/if this is needed) */
1094         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1095 #endif
1096         DrawText(x, y, text, font_text);
1097       }
1098
1099       if (visibleTextPos(pos_input) && input != NULL)
1100       {
1101         struct TextPosInfo *pos = pos_input;
1102         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1103         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1104
1105 #if 1
1106         /* (check why/if this is needed) */
1107         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1108 #endif
1109         DrawText(x, y, input, font_input);
1110       }
1111     }
1112   }
1113 }
1114
1115 static void DrawCursorAndText_Main(int nr, boolean active_text,
1116                                    boolean pressed_button)
1117 {
1118   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1119 }
1120
1121 #if 0
1122 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1123                                          boolean pressed_button)
1124 {
1125   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1126 }
1127 #endif
1128
1129 static struct MainControlInfo *getMainControlInfo(int nr)
1130 {
1131   int i;
1132
1133   for (i = 0; main_controls[i].nr != -1; i++)
1134     if (main_controls[i].nr == nr)
1135       return &main_controls[i];
1136
1137   return NULL;
1138 }
1139
1140 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1141 {
1142   if (rect == NULL)
1143     return FALSE;
1144
1145   int rect_x = ALIGNED_TEXT_XPOS(rect);
1146   int rect_y = ALIGNED_TEXT_YPOS(rect);
1147
1148   return (x >= rect_x && x < rect_x + rect->width &&
1149           y >= rect_y && y < rect_y + rect->height);
1150 }
1151
1152 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1153 {
1154   if (rect == NULL)
1155     return FALSE;
1156
1157   int rect_x = ALIGNED_TEXT_XPOS(rect);
1158   int rect_y = ALIGNED_TEXT_YPOS(rect);
1159
1160 #if 0
1161   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1162          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1163          (x >= rect_x && x < rect_x + rect->width &&
1164           y >= rect_y && y < rect_y + rect->height));
1165 #endif
1166
1167   return (x >= rect_x && x < rect_x + rect->width &&
1168           y >= rect_y && y < rect_y + rect->height);
1169 }
1170
1171 static void AdjustScrollbar(int id, int items_max, int items_visible,
1172                             int item_position)
1173 {
1174   struct GadgetInfo *gi = screen_gadget[id];
1175
1176   if (item_position > items_max - items_visible)
1177     item_position = items_max - items_visible;
1178
1179   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1180                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1181                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1182 }
1183
1184 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1185 {
1186   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1187                   first_entry);
1188 }
1189
1190 static void clearMenuListArea()
1191 {
1192   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1193
1194   /* correct scrollbar position if placed outside menu (playfield) area */
1195   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1196     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1197
1198   /* clear menu list area, but not title or scrollbar */
1199   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1200                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1201 }
1202
1203 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1204 {
1205   static int cursor_array[MAX_LEV_FIELDY];
1206   int x = mSX + TILEX * xpos;
1207   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1208
1209   if (xpos == 0)
1210   {
1211     if (graphic != -1)
1212       cursor_array[ypos] = graphic;
1213     else
1214       graphic = cursor_array[ypos];
1215   }
1216
1217   if (active)
1218     graphic = BUTTON_ACTIVE(graphic);
1219
1220   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1221   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1222 }
1223
1224 static void initCursor(int ypos, int graphic)
1225 {
1226   drawCursorExt(0, ypos, FALSE, graphic);
1227 }
1228
1229 static void drawCursor(int ypos, boolean active)
1230 {
1231   drawCursorExt(0, ypos, active, -1);
1232 }
1233
1234 static void drawCursorXY(int xpos, int ypos, int graphic)
1235 {
1236   drawCursorExt(xpos, ypos, FALSE, graphic);
1237 }
1238
1239 static void drawChooseTreeCursor(int ypos, boolean active)
1240 {
1241   int last_game_status = game_status;   /* save current game status */
1242
1243   drawCursorExt(0, ypos, active, -1);
1244
1245   game_status = last_game_status;       /* restore current game status */
1246 }
1247
1248 void DrawHeadline()
1249 {
1250   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, getProgramTitleString());
1251   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
1252                     setup.internal.program_copyright);
1253 }
1254
1255 int effectiveGameStatus()
1256 {
1257   if (game_status == GAME_MODE_INFO && info_mode == INFO_MODE_TITLE)
1258     return GAME_MODE_TITLE;
1259
1260   return game_status;
1261 }
1262
1263 void DrawTitleScreenImage(int nr, boolean initial)
1264 {
1265   int graphic = getTitleScreenGraphic(nr, initial);
1266   Bitmap *bitmap = graphic_info[graphic].bitmap;
1267   int width  = graphic_info[graphic].width;
1268   int height = graphic_info[graphic].height;
1269   int src_x = graphic_info[graphic].src_x;
1270   int src_y = graphic_info[graphic].src_y;
1271   int dst_x, dst_y;
1272
1273   if (bitmap == NULL)
1274     return;
1275
1276   if (width > WIN_XSIZE)
1277   {
1278     /* image width too large for window => center image horizontally */
1279     src_x = (width - WIN_XSIZE) / 2;
1280     width = WIN_XSIZE;
1281   }
1282
1283   if (height > WIN_YSIZE)
1284   {
1285     /* image height too large for window => center image vertically */
1286     src_y = (height - WIN_YSIZE) / 2;
1287     height = WIN_YSIZE;
1288   }
1289
1290   /* always display title screens centered */
1291   dst_x = (WIN_XSIZE - width) / 2;
1292   dst_y = (WIN_YSIZE - height) / 2;
1293
1294   SetDrawBackgroundMask(REDRAW_ALL);
1295   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1296
1297   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1298
1299   if (DrawingOnBackground(dst_x, dst_y))
1300     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1301   else
1302     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1303
1304   redraw_mask = REDRAW_ALL;
1305 }
1306
1307 void DrawTitleScreenMessage(int nr, boolean initial)
1308 {
1309   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1310   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1311   int last_game_status = game_status;   /* save current game status */
1312
1313   if (filename == NULL)
1314     return;
1315
1316   /* force TITLE font on title message screen */
1317   game_status = getTitleMessageGameMode(initial);
1318
1319   /* if chars set to "-1", automatically determine by text and font width */
1320   if (tmi->chars == -1)
1321     tmi->chars = tmi->width / getFontWidth(tmi->font);
1322   else
1323     tmi->width = tmi->chars * getFontWidth(tmi->font);
1324
1325   /* if lines set to "-1", automatically determine by text and font height */
1326   if (tmi->lines == -1)
1327     tmi->lines = tmi->height / getFontHeight(tmi->font);
1328   else
1329     tmi->height = tmi->lines * getFontHeight(tmi->font);
1330
1331   SetDrawBackgroundMask(REDRAW_ALL);
1332   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1333
1334   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1335
1336   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1337                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1338                tmi->autowrap, tmi->centered, tmi->parse_comments);
1339
1340   game_status = last_game_status;       /* restore current game status */
1341 }
1342
1343 void DrawTitleScreen()
1344 {
1345   KeyboardAutoRepeatOff();
1346
1347   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1348
1349   StopAnimation();
1350 }
1351
1352 boolean CheckTitleScreen(boolean levelset_has_changed)
1353 {
1354   static boolean show_title_initial = TRUE;
1355   boolean show_titlescreen = FALSE;
1356
1357   /* needed to be able to skip title screen, if no image or message defined */
1358   InitializeTitleControls(show_title_initial);
1359
1360   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1361     show_titlescreen = TRUE;
1362
1363   /* show initial title images and messages only once at program start */
1364   show_title_initial = FALSE;
1365
1366   return (show_titlescreen && num_title_screens > 0);
1367 }
1368
1369 void DrawMainMenu()
1370 {
1371   static LevelDirTree *leveldir_last_valid = NULL;
1372   boolean levelset_has_changed = FALSE;
1373   int fade_mask = REDRAW_FIELD;
1374
1375   LimitScreenUpdates(FALSE);
1376
1377   FadeSetLeaveScreen();
1378
1379   /* do not fade out here -- function may continue and fade on editor screen */
1380
1381   UnmapAllGadgets();
1382   FadeSoundsAndMusic();
1383
1384   KeyboardAutoRepeatOn();
1385   ActivateJoystick();
1386
1387   audio.sound_deactivated = FALSE;
1388
1389   GetPlayerConfig();
1390
1391   /* needed if last screen was the playing screen, invoked from level editor */
1392   if (level_editor_test_game)
1393   {
1394     game_status = GAME_MODE_EDITOR;
1395     DrawLevelEd();
1396
1397     return;
1398   }
1399
1400   /* needed if last screen was the setup screen and fullscreen state changed */
1401   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1402   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1403
1404   /* leveldir_current may be invalid (level group, parent link) */
1405   if (!validLevelSeries(leveldir_current))
1406     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1407
1408   if (leveldir_current != leveldir_last_valid)
1409     levelset_has_changed = TRUE;
1410
1411   /* store valid level series information */
1412   leveldir_last_valid = leveldir_current;
1413
1414   init_last = init;                     /* switch to new busy animation */
1415
1416   /* needed if last screen (level choice) changed graphics, sounds or music */
1417   ReloadCustomArtwork(0);
1418
1419   /* needed if different viewport properties defined for menues */
1420   ChangeViewportPropertiesIfNeeded();
1421
1422   if (redraw_mask & REDRAW_ALL)
1423     fade_mask = REDRAW_ALL;
1424
1425   if (CheckIfGlobalBorderHasChanged())
1426     fade_mask = REDRAW_ALL;
1427
1428   FadeOut(fade_mask);
1429
1430   /* needed if last screen was the editor screen */
1431   UndrawSpecialEditorDoor();
1432
1433   SetDrawtoField(DRAW_BACKBUFFER);
1434
1435   if (CheckTitleScreen(levelset_has_changed))
1436   {
1437     game_status = GAME_MODE_TITLE;
1438
1439     DrawTitleScreen();
1440
1441     return;
1442   }
1443
1444   /* level_nr may have been set to value over handicap with level editor */
1445   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1446     level_nr = leveldir_current->handicap_level;
1447
1448   LoadLevel(level_nr);
1449   LoadScore(level_nr);
1450
1451   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1452   SetDrawDeactivationMask(REDRAW_NONE);
1453   SetDrawBackgroundMask(REDRAW_FIELD);
1454
1455   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1456
1457 #if 0
1458   if (fade_mask == REDRAW_ALL)
1459     RedrawGlobalBorder();
1460 #endif
1461
1462   ClearField();
1463
1464   InitializeMainControls();
1465
1466   DrawCursorAndText_Main(-1, FALSE, FALSE);
1467   DrawPreviewLevelInitial();
1468
1469   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1470
1471   TapeStop();
1472   if (TAPE_IS_EMPTY(tape))
1473     LoadTape(level_nr);
1474   DrawCompleteVideoDisplay();
1475
1476   PlayMenuSound();
1477   PlayMenuMusic();
1478
1479   /* create gadgets for main menu screen */
1480   FreeScreenGadgets();
1481   CreateScreenGadgets();
1482
1483   /* map gadgets for main menu screen */
1484   MapTapeButtons();
1485   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1486
1487   /* copy actual game door content to door double buffer for OpenDoor() */
1488   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1489   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1490
1491   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1492
1493   DrawMaskedBorder(fade_mask);
1494
1495   FadeIn(fade_mask);
1496   FadeSetEnterMenu();
1497
1498   /* update screen area with special editor door */
1499   redraw_mask |= REDRAW_ALL;
1500   BackToFront();
1501
1502   SetMouseCursor(CURSOR_DEFAULT);
1503
1504   InitAnimation();
1505
1506   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1507 }
1508
1509 static void gotoTopLevelDir()
1510 {
1511   /* move upwards until inside (but not above) top level directory */
1512   while (leveldir_current->node_parent &&
1513          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1514   {
1515     /* write a "path" into level tree for easy navigation to last level */
1516     if (leveldir_current->node_parent->node_group->cl_first == -1)
1517     {
1518       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1519       int leveldir_pos = posTreeInfo(leveldir_current);
1520       int num_page_entries;
1521       int cl_first, cl_cursor;
1522
1523       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1524         num_page_entries = num_leveldirs;
1525       else
1526         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1527
1528       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1529       cl_cursor = leveldir_pos - cl_first;
1530
1531       leveldir_current->node_parent->node_group->cl_first = cl_first;
1532       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1533     }
1534
1535     leveldir_current = leveldir_current->node_parent;
1536   }
1537 }
1538
1539 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1540 {
1541   static unsigned int title_delay = 0;
1542   static int title_screen_nr = 0;
1543   static int last_sound = -1, last_music = -1;
1544   boolean return_to_main_menu = FALSE;
1545   struct TitleControlInfo *tci;
1546   struct TitleFadingInfo fading_default;
1547   struct TitleFadingInfo fading_last = fading;
1548   struct TitleFadingInfo fading_next;
1549   int sound, music;
1550
1551   if (button == MB_MENU_INITIALIZE)
1552   {
1553     title_delay = 0;
1554     title_screen_nr = 0;
1555     tci = &title_controls[title_screen_nr];
1556
1557     last_sound = SND_UNDEFINED;
1558     last_music = MUS_UNDEFINED;
1559
1560     if (game_status == GAME_MODE_INFO)
1561     {
1562       if (num_title_screens == 0)
1563       {
1564         DrawInfoScreen_NotAvailable("Title screen information:",
1565                                     "No title screen for this level set.");
1566
1567         return;
1568       }
1569
1570       FadeSoundsAndMusic();
1571
1572       FadeOut(REDRAW_ALL);
1573     }
1574
1575     if (tci->is_image)
1576       DrawTitleScreenImage(tci->local_nr, tci->initial);
1577     else
1578       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1579
1580     fading_default = (tci->initial ? title_initial_default : title_default);
1581
1582     fading = fading_next = getTitleFading(tci);
1583
1584     if (!(fading_last.fade_mode & FADE_TYPE_TRANSFORM) &&
1585         fading_next.fade_mode & FADE_TYPE_TRANSFORM)
1586     {
1587       fading.fade_mode = FADE_MODE_FADE;
1588       fading.fade_delay = fading_default.fade_delay;
1589     }
1590
1591     sound = getTitleSound(tci);
1592     music = getTitleMusic(tci);
1593
1594     if (sound != last_sound)
1595       PlayMenuSoundExt(sound);
1596     if (music != last_music)
1597       PlayMenuMusicExt(music);
1598
1599     last_sound = sound;
1600     last_music = music;
1601
1602     SetMouseCursor(CURSOR_NONE);
1603
1604     FadeIn(REDRAW_ALL);
1605
1606     fading = fading_next;
1607
1608     DelayReached(&title_delay, 0);      /* reset delay counter */
1609
1610     return;
1611   }
1612
1613   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1614     button = MB_MENU_CHOICE;
1615
1616   if (button == MB_MENU_LEAVE)
1617   {
1618     return_to_main_menu = TRUE;
1619   }
1620   else if (button == MB_MENU_CHOICE)
1621   {
1622     if (game_status == GAME_MODE_INFO && num_title_screens == 0)
1623     {
1624       FadeSetEnterScreen();
1625
1626       info_mode = INFO_MODE_MAIN;
1627       DrawInfoScreen();
1628
1629       return;
1630     }
1631
1632     title_screen_nr++;
1633     tci = &title_controls[title_screen_nr];
1634
1635     if (title_screen_nr < num_title_screens)
1636     {
1637       sound = getTitleSound(tci);
1638       music = getTitleMusic(tci);
1639
1640       if (sound == SND_UNDEFINED || sound != last_sound)
1641         FadeSounds();
1642       if (music == MUS_UNDEFINED || music != last_music)
1643         FadeMusic();
1644
1645       FadeOut(REDRAW_ALL);
1646
1647       if (tci->is_image)
1648         DrawTitleScreenImage(tci->local_nr, tci->initial);
1649       else
1650         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1651
1652       fading_next = getTitleFading(tci);
1653
1654       sound = getTitleSound(tci);
1655       music = getTitleMusic(tci);
1656
1657       if (sound != last_sound)
1658         PlayMenuSoundExt(sound);
1659       if (music != last_music)
1660         PlayMenuMusicExt(music);
1661
1662       last_sound = sound;
1663       last_music = music;
1664
1665       /* last screen already faded out, next screen has no animation */
1666       if (!(fading.fade_mode & FADE_TYPE_TRANSFORM) &&
1667           fading_next.fade_mode == FADE_MODE_NONE)
1668         fading = fading_next;
1669
1670       FadeIn(REDRAW_ALL);
1671
1672       fading = fading_next;
1673
1674       DelayReached(&title_delay, 0);    /* reset delay counter */
1675     }
1676     else
1677     {
1678       FadeSoundsAndMusic();
1679
1680       return_to_main_menu = TRUE;
1681     }
1682   }
1683
1684   if (return_to_main_menu)
1685   {
1686     SetMouseCursor(CURSOR_DEFAULT);
1687
1688     /* force full menu screen redraw after displaying title screens */
1689     redraw_mask = REDRAW_ALL;
1690
1691     if (game_status == GAME_MODE_INFO)
1692     {
1693       info_mode = INFO_MODE_MAIN;
1694
1695       DrawInfoScreen();
1696     }
1697     else        /* default: return to main menu */
1698     {
1699       game_status = GAME_MODE_MAIN;
1700
1701       DrawMainMenu();
1702     }
1703   }
1704 }
1705
1706 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1707 {
1708   int old_level_nr = level_nr;
1709   int new_level_nr;
1710
1711   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1712     new_level_nr = selected_level_nr;
1713   else
1714     new_level_nr = old_level_nr + step * direction;
1715
1716   if (new_level_nr < leveldir_current->first_level)
1717     new_level_nr = leveldir_current->first_level;
1718   if (new_level_nr > leveldir_current->last_level)
1719     new_level_nr = leveldir_current->last_level;
1720
1721   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1722   {
1723     /* skipping levels is only allowed when trying to skip single level */
1724     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1725         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1726     {
1727       leveldir_current->handicap_level++;
1728       SaveLevelSetup_SeriesInfo();
1729     }
1730
1731     new_level_nr = leveldir_current->handicap_level;
1732   }
1733
1734   if (new_level_nr != old_level_nr)
1735   {
1736     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1737
1738     PlaySound(SND_MENU_ITEM_SELECTING);
1739
1740     level_nr = new_level_nr;
1741
1742     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1743              int2str(level_nr, menu.main.text.level_number.size),
1744              mci->pos_text->font);
1745
1746     LoadLevel(level_nr);
1747     DrawPreviewLevelInitial();
1748
1749     TapeErase();
1750     LoadTape(level_nr);
1751     DrawCompleteVideoDisplay();
1752
1753     /* needed because DrawPreviewLevelInitial() takes some time */
1754     BackToFront();
1755     /* SyncDisplay(); */
1756   }
1757 }
1758
1759 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1760 {
1761   static int choice = MAIN_CONTROL_GAME;
1762   static boolean button_pressed_last = FALSE;
1763   boolean button_pressed = FALSE;
1764   int pos = choice;
1765   int i;
1766
1767   if (button == MB_MENU_INITIALIZE)
1768   {
1769     DrawCursorAndText_Main(choice, TRUE, FALSE);
1770
1771     return;
1772   }
1773
1774   if (mx || my)         /* mouse input */
1775   {
1776     pos = -1;
1777
1778     for (i = 0; main_controls[i].nr != -1; i++)
1779     {
1780       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1781           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1782           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1783       {
1784         pos = main_controls[i].nr;
1785
1786         break;
1787       }
1788     }
1789
1790     // handle pressed/unpressed state for active/inactive menu buttons
1791     // (if pos != -1, "i" contains index position corresponding to "pos")
1792     if (button &&
1793         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1794         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1795       button_pressed = TRUE;
1796
1797     if (button_pressed != button_pressed_last)
1798     {
1799       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1800
1801       if (button_pressed)
1802         PlaySound(SND_MENU_BUTTON_PRESSING);
1803       else
1804         PlaySound(SND_MENU_BUTTON_RELEASING);
1805     }
1806   }
1807   else if (dx || dy)    /* keyboard input */
1808   {
1809     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1810                    choice == MAIN_CONTROL_SETUP))
1811       button = MB_MENU_CHOICE;
1812     else if (dy)
1813       pos = choice + dy;
1814   }
1815
1816   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1817   {
1818     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1819   }
1820   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1821   {
1822     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1823   }
1824   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1825   {
1826     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1827   }
1828   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1829   {
1830     StopAnimation();
1831
1832     CloseDoor(DOOR_CLOSE_2);
1833
1834     game_status = GAME_MODE_LEVELNR;
1835
1836     ChangeViewportPropertiesIfNeeded();
1837
1838     DrawChooseLevelNr();
1839   }
1840   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1841   {
1842     if (button)
1843     {
1844       if (pos != choice)
1845       {
1846         PlaySound(SND_MENU_ITEM_ACTIVATING);
1847
1848         DrawCursorAndText_Main(choice, FALSE, FALSE);
1849         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1850
1851         choice = pos;
1852       }
1853     }
1854     else
1855     {
1856       PlaySound(SND_MENU_ITEM_SELECTING);
1857
1858       if (pos == MAIN_CONTROL_NAME)
1859       {
1860         game_status = GAME_MODE_PSEUDO_TYPENAME;
1861
1862         HandleTypeName(strlen(setup.player_name), 0);
1863       }
1864       else if (pos == MAIN_CONTROL_LEVELS)
1865       {
1866         if (leveldir_first)
1867         {
1868           StopAnimation();
1869
1870           CloseDoor(DOOR_CLOSE_2);
1871
1872           game_status = GAME_MODE_LEVELS;
1873
1874           SaveLevelSetup_LastSeries();
1875           SaveLevelSetup_SeriesInfo();
1876
1877           if (setup.internal.choose_from_top_leveldir)
1878             gotoTopLevelDir();
1879
1880           ChangeViewportPropertiesIfNeeded();
1881
1882           DrawChooseLevelSet();
1883         }
1884       }
1885       else if (pos == MAIN_CONTROL_SCORES)
1886       {
1887         StopAnimation();
1888
1889         CloseDoor(DOOR_CLOSE_2);
1890
1891         game_status = GAME_MODE_SCORES;
1892
1893         DrawHallOfFame(-1);
1894       }
1895       else if (pos == MAIN_CONTROL_EDITOR)
1896       {
1897         if (leveldir_current->readonly &&
1898             !strEqual(setup.player_name, "Artsoft"))
1899           Request("This level is read only!", REQ_CONFIRM);
1900
1901         StopAnimation();
1902
1903         CloseDoor(DOOR_CLOSE_2);
1904
1905         game_status = GAME_MODE_EDITOR;
1906
1907         FadeSetEnterScreen();
1908
1909         DrawLevelEd();
1910       }
1911       else if (pos == MAIN_CONTROL_INFO)
1912       {
1913         StopAnimation();
1914
1915         CloseDoor(DOOR_CLOSE_2);
1916
1917         game_status = GAME_MODE_INFO;
1918         info_mode = INFO_MODE_MAIN;
1919
1920         ChangeViewportPropertiesIfNeeded();
1921
1922         DrawInfoScreen();
1923       }
1924       else if (pos == MAIN_CONTROL_GAME)
1925       {
1926         StopAnimation();
1927
1928         StartGameActions(options.network, setup.autorecord, level.random_seed);
1929       }
1930       else if (pos == MAIN_CONTROL_SETUP)
1931       {
1932         StopAnimation();
1933
1934         CloseDoor(DOOR_CLOSE_2);
1935
1936         game_status = GAME_MODE_SETUP;
1937         setup_mode = SETUP_MODE_MAIN;
1938
1939         ChangeViewportPropertiesIfNeeded();
1940
1941         DrawSetupScreen();
1942       }
1943       else if (pos == MAIN_CONTROL_QUIT)
1944       {
1945         SaveLevelSetup_LastSeries();
1946         SaveLevelSetup_SeriesInfo();
1947
1948         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1949           game_status = GAME_MODE_QUIT;
1950       }
1951     }
1952   }
1953
1954   button_pressed_last = button_pressed;
1955 }
1956
1957
1958 /* ========================================================================= */
1959 /* info screen functions                                                     */
1960 /* ========================================================================= */
1961
1962 static struct TokenInfo *info_info;
1963 static int num_info_info;       /* number of info entries shown on screen */
1964 static int max_info_info;       /* total number of info entries in list */
1965
1966 static void execInfoTitleScreen()
1967 {
1968   info_mode = INFO_MODE_TITLE;
1969
1970   DrawInfoScreen();
1971 }
1972
1973 static void execInfoElements()
1974 {
1975   info_mode = INFO_MODE_ELEMENTS;
1976
1977   DrawInfoScreen();
1978 }
1979
1980 static void execInfoMusic()
1981 {
1982   info_mode = INFO_MODE_MUSIC;
1983
1984   DrawInfoScreen();
1985 }
1986
1987 static void execInfoCredits()
1988 {
1989   info_mode = INFO_MODE_CREDITS;
1990
1991   DrawInfoScreen();
1992 }
1993
1994 static void execInfoProgram()
1995 {
1996   info_mode = INFO_MODE_PROGRAM;
1997
1998   DrawInfoScreen();
1999 }
2000
2001 static void execInfoVersion()
2002 {
2003   info_mode = INFO_MODE_VERSION;
2004
2005   DrawInfoScreen();
2006 }
2007
2008 static void execInfoLevelSet()
2009 {
2010   info_mode = INFO_MODE_LEVELSET;
2011
2012   DrawInfoScreen();
2013 }
2014
2015 static void execExitInfo()
2016 {
2017   game_status = GAME_MODE_MAIN;
2018
2019   DrawMainMenu();
2020 }
2021
2022 static struct TokenInfo info_info_main[] =
2023 {
2024   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2025   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2026   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2027   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2028   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2029   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2030   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2031   { TYPE_EMPTY,         NULL,                   ""                      },
2032   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2033
2034   { 0,                  NULL,                   NULL                    }
2035 };
2036
2037 static int getMenuTextFont(int type)
2038 {
2039   if (type & (TYPE_SWITCH       |
2040               TYPE_YES_NO       |
2041               TYPE_YES_NO_AUTO  |
2042               TYPE_STRING       |
2043               TYPE_ECS_AGA      |
2044               TYPE_KEYTEXT      |
2045               TYPE_ENTER_LIST))
2046     return FONT_MENU_2;
2047   else
2048     return FONT_MENU_1;
2049 }
2050
2051 static struct TokenInfo *setup_info;
2052 static struct TokenInfo setup_info_input[];
2053
2054 static struct TokenInfo *menu_info;
2055
2056 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2057                                        int screen_pos, int menu_info_pos_raw,
2058                                        boolean active)
2059 {
2060   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2061   struct TokenInfo *ti = &token_info[pos];
2062   int xpos = MENU_SCREEN_START_XPOS;
2063   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2064   int font_nr = getMenuTextFont(ti->type);
2065
2066   if (token_info == setup_info_input)
2067     font_nr = FONT_MENU_1;
2068
2069   if (active)
2070     font_nr = FONT_ACTIVE(font_nr);
2071
2072   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2073
2074   if (ti->type & ~TYPE_SKIP_ENTRY)
2075     drawCursor(screen_pos, active);
2076 }
2077
2078 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2079                                    boolean active)
2080 {
2081   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2082 }
2083
2084 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2085                                     boolean active)
2086 {
2087   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2088 }
2089
2090 static char *screen_mode_text;
2091 static char *window_size_text;
2092 static char *scaling_type_text;
2093
2094 static void drawSetupValue(int, int);
2095
2096 static void drawMenuInfoList(int first_entry, int num_page_entries,
2097                              int max_page_entries)
2098 {
2099   int i;
2100
2101   if (first_entry + num_page_entries > max_page_entries)
2102     first_entry = 0;
2103
2104   clearMenuListArea();
2105
2106   for (i = 0; i < num_page_entries; i++)
2107   {
2108     int menu_info_pos = first_entry + i;
2109     struct TokenInfo *si = &menu_info[menu_info_pos];
2110     void *value_ptr = si->value;
2111
2112     /* set some entries to "unchangeable" according to other variables */
2113     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2114         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2115         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2116         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2117         (value_ptr == &screen_mode_text   && !video.fullscreen_available) ||
2118         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2119         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2120       si->type |= TYPE_GHOSTED;
2121
2122     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2123       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2124     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2125       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2126     else if (si->type & ~TYPE_SKIP_ENTRY)
2127       initCursor(i, IMG_MENU_BUTTON);
2128
2129     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2130
2131     if (si->type & TYPE_VALUE &&
2132         menu_info == setup_info)
2133       drawSetupValue(i, menu_info_pos);
2134   }
2135 }
2136
2137 static void DrawInfoScreen_Main()
2138 {
2139   int fade_mask = REDRAW_FIELD;
2140   int i;
2141
2142   if (redraw_mask & REDRAW_ALL)
2143     fade_mask = REDRAW_ALL;
2144
2145   if (CheckIfGlobalBorderHasChanged())
2146     fade_mask = REDRAW_ALL;
2147
2148   UnmapAllGadgets();
2149
2150   FreeScreenGadgets();
2151   CreateScreenGadgets();
2152
2153   CloseDoor(DOOR_CLOSE_2);
2154
2155   /* (needed after displaying title screens which disable auto repeat) */
2156   KeyboardAutoRepeatOn();
2157
2158   FadeSetLeaveScreen();
2159
2160   FadeOut(fade_mask);
2161
2162   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2163
2164   ClearField();
2165
2166   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2167
2168   info_info = info_info_main;
2169
2170   // determine maximal number of info entries that can be displayed on screen
2171   num_info_info = 0;
2172   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2173     num_info_info++;
2174
2175   // determine maximal number of info entries available for menu of info screen
2176   max_info_info = 0;
2177   for (i = 0; info_info[i].type != 0; i++)
2178     max_info_info++;
2179
2180   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2181
2182   MapScreenGadgets(max_info_info);
2183
2184   PlayMenuSound();
2185   PlayMenuMusic();
2186
2187   DrawMaskedBorder(fade_mask);
2188
2189   FadeIn(fade_mask);
2190
2191   InitAnimation();
2192 }
2193
2194 static void changeSetupValue(int, int, int);
2195
2196 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2197                       int mode, int num_page_entries, int max_page_entries)
2198 {
2199   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2200   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2201   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2202   int *num_page_entries_last = num_page_entries_all_last[game_status];
2203   int *choice_store = choice_stores[game_status];
2204   int *first_entry_store = first_entry_stores[game_status];
2205   int choice = choice_store[mode];              /* starts with 0 */
2206   int first_entry = first_entry_store[mode];    /* starts with 0 */
2207   int x = 0;
2208   int y = choice - first_entry;
2209   int y_old = y;
2210   boolean position_set_by_scrollbar = (dx == 999);
2211   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2212   int i;
2213
2214   if (button == MB_MENU_INITIALIZE)
2215   {
2216     // check if number of menu page entries has changed (may happen by change
2217     // of custom artwork definition value for 'list_size' for this menu screen)
2218     // (in this case, the last menu position most probably has to be corrected)
2219     if (num_page_entries != num_page_entries_last[mode])
2220     {
2221       choice_store[mode] = first_entry_store[mode] = 0;
2222
2223       choice = first_entry = 0;
2224       y = y_old = 0;
2225
2226       num_page_entries_last[mode] = num_page_entries;
2227     }
2228
2229     /* advance to first valid menu entry */
2230     while (choice < num_page_entries &&
2231            menu_info[choice].type & TYPE_SKIP_ENTRY)
2232       choice++;
2233
2234     if (position_set_by_scrollbar)
2235       first_entry = first_entry_store[mode] = dy;
2236     else
2237       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2238                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2239
2240     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2241
2242     if (choice < first_entry)
2243     {
2244       choice = first_entry;
2245
2246       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2247         choice++;
2248     }
2249     else if (choice > first_entry + num_page_entries - 1)
2250     {
2251       choice = first_entry + num_page_entries - 1;
2252
2253       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2254         choice--;
2255     }
2256
2257     choice_store[mode] = choice;
2258
2259     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2260
2261     return;
2262   }
2263   else if (button == MB_MENU_LEAVE)
2264   {
2265     PlaySound(SND_MENU_ITEM_SELECTING);
2266
2267     for (i = 0; i < max_page_entries; i++)
2268     {
2269       if (menu_info[i].type & TYPE_LEAVE_MENU)
2270       {
2271         void (*menu_callback_function)(void) = menu_info[i].value;
2272
2273         FadeSetLeaveMenu();
2274
2275         menu_callback_function();
2276
2277         break;  /* absolutely needed because function changes 'menu_info'! */
2278       }
2279     }
2280
2281     return;
2282   }
2283
2284   if (mx || my)         /* mouse input */
2285   {
2286     x = (mx - mSX) / 32;
2287     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2288   }
2289   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2290   {
2291     /* move cursor instead of scrolling when already at start/end of list */
2292     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2293       dy = -1;
2294     else if (dy == +1 * SCROLL_LINE &&
2295              first_entry + num_page_entries == max_page_entries)
2296       dy = 1;
2297
2298     /* handle scrolling screen one line or page */
2299     if (y + dy < 0 ||
2300         y + dy > num_page_entries - 1)
2301     {
2302       boolean redraw = FALSE;
2303
2304       if (ABS(dy) == SCROLL_PAGE)
2305         step = num_page_entries - 1;
2306
2307       if (dy < 0 && first_entry > 0)
2308       {
2309         /* scroll page/line up */
2310
2311         first_entry -= step;
2312         if (first_entry < 0)
2313           first_entry = 0;
2314
2315         redraw = TRUE;
2316       }
2317       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2318       {
2319         /* scroll page/line down */
2320
2321         first_entry += step;
2322         if (first_entry + num_page_entries > max_page_entries)
2323           first_entry = MAX(0, max_page_entries - num_page_entries);
2324
2325         redraw = TRUE;
2326       }
2327
2328       if (redraw)
2329       {
2330         choice += first_entry - first_entry_store[mode];
2331
2332         if (choice < first_entry)
2333         {
2334           choice = first_entry;
2335
2336           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2337             choice++;
2338         }
2339         else if (choice > first_entry + num_page_entries - 1)
2340         {
2341           choice = first_entry + num_page_entries - 1;
2342
2343           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2344             choice--;
2345         }
2346         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2347         {
2348           choice += SIGN(dy);
2349
2350           if (choice < first_entry ||
2351               choice > first_entry + num_page_entries - 1)
2352           first_entry += SIGN(dy);
2353         }
2354
2355         first_entry_store[mode] = first_entry;
2356         choice_store[mode] = choice;
2357
2358         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2359
2360         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2361
2362         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2363                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2364       }
2365
2366       return;
2367     }
2368
2369     if (dx)
2370     {
2371       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2372
2373       if (menu_info[choice].type & menu_navigation_type ||
2374           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2375           menu_info[choice].type & TYPE_YES_NO_AUTO)
2376         button = MB_MENU_CHOICE;
2377     }
2378     else if (dy)
2379       y += dy;
2380
2381     /* jump to next non-empty menu entry (up or down) */
2382     while (first_entry + y > 0 &&
2383            first_entry + y < max_page_entries - 1 &&
2384            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2385       y += dy;
2386
2387     if (!IN_VIS_MENU(x, y))
2388     {
2389       choice += y - y_old;
2390
2391       if (choice < first_entry)
2392         first_entry = choice;
2393       else if (choice > first_entry + num_page_entries - 1)
2394         first_entry = choice - num_page_entries + 1;
2395
2396       if (first_entry >= 0 &&
2397           first_entry + num_page_entries <= max_page_entries)
2398       {
2399         first_entry_store[mode] = first_entry;
2400
2401         if (choice < first_entry)
2402           choice = first_entry;
2403         else if (choice > first_entry + num_page_entries - 1)
2404           choice = first_entry + num_page_entries - 1;
2405
2406         choice_store[mode] = choice;
2407
2408         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2409
2410         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2411
2412         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2413                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2414       }
2415
2416       return;
2417     }
2418   }
2419
2420   if (!anyScrollbarGadgetActive() &&
2421       IN_VIS_MENU(x, y) &&
2422       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2423       y >= 0 && y < num_page_entries)
2424   {
2425     if (button)
2426     {
2427       if (first_entry + y != choice &&
2428           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2429       {
2430         PlaySound(SND_MENU_ITEM_ACTIVATING);
2431
2432         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2433         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2434
2435         choice = choice_store[mode] = first_entry + y;
2436       }
2437     }
2438     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2439     {
2440       PlaySound(SND_MENU_ITEM_SELECTING);
2441
2442       /* when selecting key headline, execute function for key value change */
2443       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2444           menu_info[first_entry + y + 1].type & TYPE_KEY)
2445         y++;
2446
2447       /* when selecting string value, execute function for list selection */
2448       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2449           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2450         y--;
2451
2452       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2453       {
2454         void (*menu_callback_function)(void) =
2455           menu_info[first_entry + y].value;
2456
2457         FadeSetFromType(menu_info[first_entry + y].type);
2458
2459         menu_callback_function();
2460       }
2461       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2462                menu_info == setup_info)
2463       {
2464         changeSetupValue(y, first_entry + y, dx);
2465       }
2466     }
2467   }
2468 }
2469
2470 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2471 {
2472   menu_info = info_info;
2473
2474   HandleMenuScreen(mx, my, dx, dy, button,
2475                    info_mode, num_info_info, max_info_info);
2476 }
2477
2478 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2479 {
2480   int ystart1 = mSY - SY + 100;
2481   int ystart2 = mSY - SY + 150;
2482   int ybottom = mSY - SY + SYSIZE - 20;
2483
2484   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2485
2486   FadeOut(REDRAW_FIELD);
2487
2488   ClearField();
2489   DrawHeadline();
2490
2491   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2492   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2493
2494   DrawTextSCentered(ybottom, FONT_TEXT_4,
2495                     "Press any key or button for info menu");
2496
2497   FadeIn(REDRAW_FIELD);
2498 }
2499
2500 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2501 {
2502   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2503   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2504   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2505   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2506   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2507   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2508   int ystep = MENU_SCREEN_INFO_YSTEP;
2509   int element, action, direction;
2510   int graphic;
2511   int delay;
2512   int sync_frame;
2513   int i, j;
2514
2515   if (init)
2516   {
2517     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2518       infoscreen_step[i] = infoscreen_frame[i] = 0;
2519
2520     ClearField();
2521     DrawHeadline();
2522
2523     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2524
2525     DrawTextSCentered(ybottom, FONT_TEXT_4,
2526                       "Press any key or button for next page");
2527
2528     FrameCounter = 0;
2529   }
2530
2531   i = j = 0;
2532   while (helpanim_info[j].element != HELPANIM_LIST_END)
2533   {
2534     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2535         i >= max_anims)
2536       break;
2537     else if (i < start)
2538     {
2539       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2540         j++;
2541
2542       j++;
2543       i++;
2544
2545       continue;
2546     }
2547
2548     j += infoscreen_step[i - start];
2549
2550     element = helpanim_info[j].element;
2551     action = helpanim_info[j].action;
2552     direction = helpanim_info[j].direction;
2553
2554     if (element < 0)
2555       element = EL_UNKNOWN;
2556
2557     if (action != -1 && direction != -1)
2558       graphic = el_act_dir2img(element, action, direction);
2559     else if (action != -1)
2560       graphic = el_act2img(element, action);
2561     else if (direction != -1)
2562       graphic = el_dir2img(element, direction);
2563     else
2564       graphic = el2img(element);
2565
2566     delay = helpanim_info[j++].delay;
2567
2568     if (delay == -1)
2569       delay = 1000000;
2570
2571     if (infoscreen_frame[i - start] == 0)
2572     {
2573       sync_frame = 0;
2574       infoscreen_frame[i - start] = delay - 1;
2575     }
2576     else
2577     {
2578       sync_frame = delay - infoscreen_frame[i - start];
2579       infoscreen_frame[i - start]--;
2580     }
2581
2582     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2583     {
2584       if (!infoscreen_frame[i - start])
2585         infoscreen_step[i - start] = 0;
2586     }
2587     else
2588     {
2589       if (!infoscreen_frame[i - start])
2590         infoscreen_step[i - start]++;
2591       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2592         j++;
2593     }
2594
2595     j++;
2596
2597     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2598                                TILEX, TILEY);
2599     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2600                                  graphic, sync_frame, USE_MASKING);
2601
2602     if (init)
2603       DrawInfoScreen_HelpText(element, action, direction, i - start);
2604
2605     i++;
2606   }
2607
2608   redraw_mask |= REDRAW_FIELD;
2609
2610   FrameCounter++;
2611 }
2612
2613 static char *getHelpText(int element, int action, int direction)
2614 {
2615   char token[MAX_LINE_LEN];
2616
2617   strcpy(token, element_info[element].token_name);
2618
2619   if (action != -1)
2620     strcat(token, element_action_info[action].suffix);
2621
2622   if (direction != -1)
2623     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2624
2625   return getHashEntry(helptext_info, token);
2626 }
2627
2628 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2629 {
2630   int font_nr = FONT_INFO_ELEMENTS;
2631   int font_width = getFontWidth(font_nr);
2632   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2633   int sy = mSY + 65 + 2 * 32 + 1;
2634   int ystep = TILEY + 4;
2635   int pad_x = sx - SX;
2636   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2637   int max_lines_per_text = 2;
2638   char *text = NULL;
2639
2640   if (action != -1 && direction != -1)          /* element.action.direction */
2641     text = getHelpText(element, action, direction);
2642
2643   if (text == NULL && action != -1)             /* element.action */
2644     text = getHelpText(element, action, -1);
2645
2646   if (text == NULL && direction != -1)          /* element.direction */
2647     text = getHelpText(element, -1, direction);
2648
2649   if (text == NULL)                             /* base element */
2650     text = getHelpText(element, -1, -1);
2651
2652   if (text == NULL)                             /* not found */
2653     text = "No description available";
2654
2655   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2656     sy += getFontHeight(font_nr) / 2;
2657
2658   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2659                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2660                  TRUE, FALSE, FALSE);
2661 }
2662
2663 void DrawInfoScreen_TitleScreen()
2664 {
2665   DrawTitleScreen();
2666 }
2667
2668 void HandleInfoScreen_TitleScreen(int button)
2669 {
2670   HandleTitleScreen(0, 0, 0, 0, button);
2671 }
2672
2673 void DrawInfoScreen_Elements()
2674 {
2675   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2676
2677   FadeOut(REDRAW_FIELD);
2678
2679   LoadHelpAnimInfo();
2680   LoadHelpTextInfo();
2681
2682   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2683
2684   FadeIn(REDRAW_FIELD);
2685
2686   InitAnimation();
2687 }
2688
2689 void HandleInfoScreen_Elements(int button)
2690 {
2691   static unsigned int info_delay = 0;
2692   static int num_anims;
2693   static int num_pages;
2694   static int page;
2695   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2696   int i;
2697
2698   if (button == MB_MENU_INITIALIZE)
2699   {
2700     boolean new_element = TRUE;
2701
2702     num_anims = 0;
2703
2704     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2705     {
2706       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2707         new_element = TRUE;
2708       else if (new_element)
2709       {
2710         num_anims++;
2711         new_element = FALSE;
2712       }
2713     }
2714
2715     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2716     page = 0;
2717   }
2718
2719   if (button == MB_MENU_LEAVE)
2720   {
2721     PlaySound(SND_MENU_ITEM_SELECTING);
2722
2723     info_mode = INFO_MODE_MAIN;
2724     DrawInfoScreen();
2725
2726     return;
2727   }
2728   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2729   {
2730     if (button != MB_MENU_INITIALIZE)
2731     {
2732       PlaySound(SND_MENU_ITEM_SELECTING);
2733
2734       page++;
2735     }
2736
2737     if (page >= num_pages)
2738     {
2739       FadeSoundsAndMusic();
2740
2741       info_mode = INFO_MODE_MAIN;
2742       DrawInfoScreen();
2743
2744       return;
2745     }
2746
2747     if (page > 0)
2748       FadeSetNextScreen();
2749
2750     if (button != MB_MENU_INITIALIZE)
2751       FadeOut(REDRAW_FIELD);
2752
2753     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2754
2755     if (button != MB_MENU_INITIALIZE)
2756       FadeIn(REDRAW_FIELD);
2757   }
2758   else
2759   {
2760     if (DelayReached(&info_delay, GameFrameDelay))
2761       if (page < num_pages)
2762         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2763
2764     PlayMenuSoundIfLoop();
2765   }
2766 }
2767
2768 void DrawInfoScreen_Music()
2769 {
2770   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2771
2772   FadeOut(REDRAW_FIELD);
2773
2774   ClearField();
2775   DrawHeadline();
2776
2777   LoadMusicInfo();
2778
2779   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2780
2781   FadeIn(REDRAW_FIELD);
2782 }
2783
2784 void HandleInfoScreen_Music(int button)
2785 {
2786   static struct MusicFileInfo *list = NULL;
2787   int ystart1 = mSY - SY + 100;
2788   int ystart2 = mSY - SY + 150;
2789   int ybottom = mSY - SY + SYSIZE - 20;
2790   int dy = 30;
2791
2792   if (button == MB_MENU_INITIALIZE)
2793   {
2794     list = music_file_info;
2795
2796     if (list == NULL)
2797     {
2798       FadeSoundsAndMusic();
2799
2800       ClearField();
2801       DrawHeadline();
2802
2803       DrawTextSCentered(ystart1, FONT_TEXT_1,
2804                         "No music info for this level set.");
2805
2806       DrawTextSCentered(ybottom, FONT_TEXT_4,
2807                         "Press any key or button for info menu");
2808
2809       return;
2810     }
2811   }
2812
2813   if (button == MB_MENU_LEAVE)
2814   {
2815     PlaySound(SND_MENU_ITEM_SELECTING);
2816
2817     FadeSoundsAndMusic();
2818
2819     info_mode = INFO_MODE_MAIN;
2820     DrawInfoScreen();
2821
2822     return;
2823   }
2824   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2825   {
2826     int y = 0;
2827
2828     if (button != MB_MENU_INITIALIZE)
2829     {
2830       PlaySound(SND_MENU_ITEM_SELECTING);
2831
2832       if (list != NULL)
2833         list = list->next;
2834     }
2835
2836     if (list == NULL)
2837     {
2838       FadeSoundsAndMusic();
2839
2840       info_mode = INFO_MODE_MAIN;
2841       DrawInfoScreen();
2842
2843       return;
2844     }
2845
2846     FadeSoundsAndMusic();
2847
2848     if (list != music_file_info)
2849       FadeSetNextScreen();
2850
2851     if (button != MB_MENU_INITIALIZE)
2852       FadeOut(REDRAW_FIELD);
2853
2854     ClearField();
2855     DrawHeadline();
2856
2857     if (list->is_sound)
2858     {
2859       int sound = list->music;
2860
2861       if (sound_info[sound].loop)
2862         PlaySoundLoop(sound);
2863       else
2864         PlaySound(sound);
2865
2866       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2867     }
2868     else
2869     {
2870       PlayMusic(list->music);
2871
2872       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2873     }
2874
2875     if (!strEqual(list->title, UNKNOWN_NAME))
2876     {
2877       if (!strEqual(list->title_header, UNKNOWN_NAME))
2878         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2879
2880       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2881     }
2882
2883     if (!strEqual(list->artist, UNKNOWN_NAME))
2884     {
2885       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2886         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2887       else
2888         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2889
2890       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2891     }
2892
2893     if (!strEqual(list->album, UNKNOWN_NAME))
2894     {
2895       if (!strEqual(list->album_header, UNKNOWN_NAME))
2896         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2897       else
2898         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2899
2900       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2901     }
2902
2903     if (!strEqual(list->year, UNKNOWN_NAME))
2904     {
2905       if (!strEqual(list->year_header, UNKNOWN_NAME))
2906         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2907       else
2908         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2909
2910       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2911     }
2912
2913     DrawTextSCentered(ybottom, FONT_TEXT_4,
2914                       "Press any key or button for next page");
2915
2916     if (button != MB_MENU_INITIALIZE)
2917       FadeIn(REDRAW_FIELD);
2918   }
2919
2920   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2921     PlaySoundLoop(list->music);
2922 }
2923
2924 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2925 {
2926   int ystart1 = mSY - SY + 100;
2927   int ystart2 = mSY - SY + 150;
2928   int ybottom = mSY - SY + SYSIZE - 20;
2929   int ystep = 30;
2930
2931   ClearField();
2932   DrawHeadline();
2933
2934   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2935
2936   if (screen_nr == 0)
2937   {
2938     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2939                       "Special thanks to");
2940     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2941                       "Peter Liepa");
2942     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2943                       "for creating");
2944     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2945                       "\"Boulder Dash\"");
2946     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2947                       "in the year");
2948     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2949                       "1984");
2950     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2951                       "published by");
2952     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2953                       "First Star Software");
2954   }
2955   else if (screen_nr == 1)
2956   {
2957     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2958                       "Special thanks to");
2959     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2960                       "Klaus Heinz & Volker Wertich");
2961     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2962                       "for creating");
2963     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2964                       "\"Emerald Mine\"");
2965     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2966                       "in the year");
2967     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2968                       "1987");
2969     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2970                       "published by");
2971     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2972                       "Kingsoft");
2973   }
2974   else if (screen_nr == 2)
2975   {
2976     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2977                       "Special thanks to");
2978     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2979                       "Michael Stopp & Philip Jespersen");
2980     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2981                       "for creating");
2982     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2983                       "\"Supaplex\"");
2984     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2985                       "in the year");
2986     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2987                       "1991");
2988     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2989                       "published by");
2990     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2991                       "Digital Integration");
2992   }
2993   else if (screen_nr == 3)
2994   {
2995     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2996                       "Special thanks to");
2997     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2998                       "Hiroyuki Imabayashi");
2999     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3000                       "for creating");
3001     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3002                       "\"Sokoban\"");
3003     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3004                       "in the year");
3005     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3006                       "1982");
3007     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3008                       "published by");
3009     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3010                       "Thinking Rabbit");
3011   }
3012   else if (screen_nr == 4)
3013   {
3014     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3015                       "Special thanks to");
3016     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3017                       "Alan Bond");
3018     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3019                       "and");
3020     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3021                       "J\xfcrgen Bonhagen");
3022     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3023                       "for the continuous creation");
3024     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3025                       "of outstanding level sets");
3026   }
3027   else if (screen_nr == 5)
3028   {
3029     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3030                       "Thanks to");
3031     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3032                       "Peter Elzner");
3033     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3034                       "for ideas and inspiration by");
3035     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3036                       "Diamond Caves");
3037
3038     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3039                       "Thanks to");
3040     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3041                       "Steffest");
3042     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3043                       "for ideas and inspiration by");
3044     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3045                       "DX-Boulderdash");
3046   }
3047   else if (screen_nr == 6)
3048   {
3049     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3050                       "Thanks to");
3051     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3052                       "David Tritscher");
3053 #if 1
3054     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3055                       "for the code base used for the");
3056     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3057                       "native Emerald Mine engine");
3058 #else
3059     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3060                       "for the new Emerald Mine engine");
3061 #endif
3062   }
3063   else if (screen_nr == 7)
3064   {
3065     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3066                       "Thanks to");
3067     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3068                       "Guido Schulz");
3069     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3070                       "for the initial DOS port");
3071
3072     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3073                       "Thanks to");
3074     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3075                       "Karl H\xf6rnell");
3076     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3077                       "for some additional toons");
3078   }
3079   else if (screen_nr == 8)
3080   {
3081     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3082                       "And not to forget:");
3083     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3084                       "Many thanks to");
3085     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3086                       "All those who contributed");
3087     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3088                       "levels to this game");
3089     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3090                       "since 1995");
3091   }
3092
3093   DrawTextSCentered(ybottom, FONT_TEXT_4,
3094                     "Press any key or button for next page");
3095 }
3096
3097 void DrawInfoScreen_Credits()
3098 {
3099   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3100
3101   FadeSoundsAndMusic();
3102
3103   FadeOut(REDRAW_FIELD);
3104
3105   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3106
3107   FadeIn(REDRAW_FIELD);
3108 }
3109
3110 void HandleInfoScreen_Credits(int button)
3111 {
3112   static int screen_nr = 0;
3113   int num_screens = 9;
3114
3115   if (button == MB_MENU_INITIALIZE)
3116   {
3117     screen_nr = 0;
3118
3119     // DrawInfoScreen_CreditsScreen(screen_nr);
3120   }
3121
3122   if (button == MB_MENU_LEAVE)
3123   {
3124     PlaySound(SND_MENU_ITEM_SELECTING);
3125
3126     info_mode = INFO_MODE_MAIN;
3127     DrawInfoScreen();
3128
3129     return;
3130   }
3131   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3132   {
3133     if (button != MB_MENU_INITIALIZE)
3134     {
3135       PlaySound(SND_MENU_ITEM_SELECTING);
3136
3137       screen_nr++;
3138     }
3139
3140     if (screen_nr >= num_screens)
3141     {
3142       FadeSoundsAndMusic();
3143
3144       info_mode = INFO_MODE_MAIN;
3145       DrawInfoScreen();
3146
3147       return;
3148     }
3149
3150     if (screen_nr > 0)
3151       FadeSetNextScreen();
3152
3153     if (button != MB_MENU_INITIALIZE)
3154       FadeOut(REDRAW_FIELD);
3155
3156     DrawInfoScreen_CreditsScreen(screen_nr);
3157
3158     if (button != MB_MENU_INITIALIZE)
3159       FadeIn(REDRAW_FIELD);
3160   }
3161   else
3162   {
3163     PlayMenuSoundIfLoop();
3164   }
3165 }
3166
3167 void DrawInfoScreen_Program()
3168 {
3169   int ystart1 = mSY - SY + 100;
3170   int ystart2 = mSY - SY + 150;
3171   int ybottom = mSY - SY + SYSIZE - 20;
3172   int ystep = 30;
3173
3174   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3175
3176   FadeOut(REDRAW_FIELD);
3177
3178   ClearField();
3179   DrawHeadline();
3180
3181   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3182
3183   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3184                     "This game is Freeware!");
3185   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3186                     "If you like it, send e-mail to:");
3187   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3188                     setup.internal.program_email);
3189   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3190                     "More information and levels:");
3191   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3192                     setup.internal.program_website);
3193   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3194                     "If you have created new levels,");
3195   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3196                     "send them to me to include them!");
3197   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3198                     ":-)");
3199
3200   DrawTextSCentered(ybottom, FONT_TEXT_4,
3201                     "Press any key or button for info menu");
3202
3203   FadeIn(REDRAW_FIELD);
3204 }
3205
3206 void HandleInfoScreen_Program(int button)
3207 {
3208   if (button == MB_MENU_LEAVE)
3209   {
3210     PlaySound(SND_MENU_ITEM_SELECTING);
3211
3212     info_mode = INFO_MODE_MAIN;
3213     DrawInfoScreen();
3214
3215     return;
3216   }
3217   else if (button == MB_MENU_CHOICE)
3218   {
3219     PlaySound(SND_MENU_ITEM_SELECTING);
3220
3221     FadeSoundsAndMusic();
3222
3223     info_mode = INFO_MODE_MAIN;
3224     DrawInfoScreen();
3225   }
3226   else
3227   {
3228     PlayMenuSoundIfLoop();
3229   }
3230 }
3231
3232 void DrawInfoScreen_Version()
3233 {
3234   int font_header = FONT_TEXT_3;
3235   int font_text = FONT_TEXT_2;
3236   int xstep = getFontWidth(font_text);
3237   int ystep = getFontHeight(font_text);
3238   int ystart1 = mSY - SY + 100;
3239   int ystart2 = mSY - SY + 150;
3240   int ybottom = mSY - SY + SYSIZE - 20;
3241   int xstart1 = mSX - SX + 2 * xstep;
3242   int xstart2 = mSX - SX + 18 * xstep;
3243   int xstart3 = mSX - SX + 28 * xstep;
3244   SDL_version sdl_version_compiled;
3245   const SDL_version *sdl_version_linked;
3246   int driver_name_len = 10;
3247 #if defined(TARGET_SDL2)
3248   SDL_version sdl_version_linked_ext;
3249   const char *driver_name = NULL;
3250 #else
3251   char driver_name[driver_name_len];
3252 #endif
3253
3254   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3255
3256   FadeOut(REDRAW_FIELD);
3257
3258   ClearField();
3259   DrawHeadline();
3260
3261   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3262
3263   DrawTextF(xstart1, ystart2, font_header, "Name");
3264   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3265
3266   ystart2 += ystep;
3267   DrawTextF(xstart1, ystart2, font_header, "Version");
3268   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3269
3270   ystart2 += ystep;
3271   DrawTextF(xstart1, ystart2, font_header, "Platform");
3272   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3273
3274   ystart2 += ystep;
3275   DrawTextF(xstart1, ystart2, font_header, "Target");
3276   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3277
3278   ystart2 += ystep;
3279   DrawTextF(xstart1, ystart2, font_header, "Compile time");
3280   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
3281
3282   ystart2 += 3 * ystep;
3283   DrawTextF(xstart1, ystart2, font_header, "Library");
3284   DrawTextF(xstart2, ystart2, font_header, "compiled");
3285   DrawTextF(xstart3, ystart2, font_header, "linked");
3286
3287   SDL_VERSION(&sdl_version_compiled);
3288 #if defined(TARGET_SDL2)
3289   SDL_GetVersion(&sdl_version_linked_ext);
3290   sdl_version_linked = &sdl_version_linked_ext;
3291 #else
3292   sdl_version_linked = SDL_Linked_Version();
3293 #endif
3294
3295   ystart2 += 2 * ystep;
3296   DrawTextF(xstart1, ystart2, font_text, "SDL");
3297   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3298             sdl_version_compiled.major,
3299             sdl_version_compiled.minor,
3300             sdl_version_compiled.patch);
3301   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3302             sdl_version_linked->major,
3303             sdl_version_linked->minor,
3304             sdl_version_linked->patch);
3305
3306   SDL_IMAGE_VERSION(&sdl_version_compiled);
3307   sdl_version_linked = IMG_Linked_Version();
3308
3309   ystart2 += ystep;
3310   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3311   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3312             sdl_version_compiled.major,
3313             sdl_version_compiled.minor,
3314             sdl_version_compiled.patch);
3315   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3316             sdl_version_linked->major,
3317             sdl_version_linked->minor,
3318             sdl_version_linked->patch);
3319
3320   SDL_MIXER_VERSION(&sdl_version_compiled);
3321   sdl_version_linked = Mix_Linked_Version();
3322
3323   ystart2 += ystep;
3324   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3325   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3326             sdl_version_compiled.major,
3327             sdl_version_compiled.minor,
3328             sdl_version_compiled.patch);
3329   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3330             sdl_version_linked->major,
3331             sdl_version_linked->minor,
3332             sdl_version_linked->patch);
3333
3334   SDL_NET_VERSION(&sdl_version_compiled);
3335   sdl_version_linked = SDLNet_Linked_Version();
3336
3337   ystart2 += ystep;
3338   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3339   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3340             sdl_version_compiled.major,
3341             sdl_version_compiled.minor,
3342             sdl_version_compiled.patch);
3343   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3344             sdl_version_linked->major,
3345             sdl_version_linked->minor,
3346             sdl_version_linked->patch);
3347
3348   ystart2 += 3 * ystep;
3349   DrawTextF(xstart1, ystart2, font_header, "Driver");
3350   DrawTextF(xstart2, ystart2, font_header, "Requested");
3351   DrawTextF(xstart3, ystart2, font_header, "Used");
3352
3353 #if defined(TARGET_SDL2)
3354   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3355 #else
3356   SDL_VideoDriverName(driver_name, driver_name_len);
3357 #endif
3358
3359   ystart2 += 2 * ystep;
3360   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3361   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3362   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3363
3364 #if defined(TARGET_SDL2)
3365   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3366 #else
3367   SDL_AudioDriverName(driver_name, driver_name_len);
3368 #endif
3369
3370   ystart2 += ystep;
3371   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3372   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3373   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3374
3375   DrawTextSCentered(ybottom, FONT_TEXT_4,
3376                     "Press any key or button for info menu");
3377
3378   FadeIn(REDRAW_FIELD);
3379 }
3380
3381 void HandleInfoScreen_Version(int button)
3382 {
3383   if (button == MB_MENU_LEAVE)
3384   {
3385     PlaySound(SND_MENU_ITEM_SELECTING);
3386
3387     info_mode = INFO_MODE_MAIN;
3388     DrawInfoScreen();
3389
3390     return;
3391   }
3392   else if (button == MB_MENU_CHOICE)
3393   {
3394     PlaySound(SND_MENU_ITEM_SELECTING);
3395
3396     FadeSoundsAndMusic();
3397
3398     info_mode = INFO_MODE_MAIN;
3399     DrawInfoScreen();
3400   }
3401   else
3402   {
3403     PlayMenuSoundIfLoop();
3404   }
3405 }
3406
3407 void DrawInfoScreen_LevelSet()
3408 {
3409   struct TitleMessageInfo *tmi = &readme;
3410   char *filename = getLevelSetInfoFilename();
3411   char *title = "Level Set Information:";
3412   int ystart1 = mSY - SY + 100;
3413   int ybottom = mSY - SY + SYSIZE - 20;
3414
3415   if (filename == NULL)
3416   {
3417     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3418
3419     return;
3420   }
3421
3422   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3423
3424   FadeOut(REDRAW_FIELD);
3425
3426   ClearField();
3427   DrawHeadline();
3428
3429   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3430
3431   /* if x position set to "-1", automatically determine by playfield width */
3432   if (tmi->x == -1)
3433     tmi->x = SXSIZE / 2;
3434
3435   /* if y position set to "-1", use static default value */
3436   if (tmi->y == -1)
3437     tmi->y = 150;
3438
3439   /* if width set to "-1", automatically determine by playfield width */
3440   if (tmi->width == -1)
3441     tmi->width = SXSIZE - 2 * TILEX;
3442
3443   /* if height set to "-1", automatically determine by playfield height */
3444   if (tmi->height == -1)
3445     tmi->height = SYSIZE - 20 - tmi->y - 10;
3446
3447   /* if chars set to "-1", automatically determine by text and font width */
3448   if (tmi->chars == -1)
3449     tmi->chars = tmi->width / getFontWidth(tmi->font);
3450   else
3451     tmi->width = tmi->chars * getFontWidth(tmi->font);
3452
3453   /* if lines set to "-1", automatically determine by text and font height */
3454   if (tmi->lines == -1)
3455     tmi->lines = tmi->height / getFontHeight(tmi->font);
3456   else
3457     tmi->height = tmi->lines * getFontHeight(tmi->font);
3458
3459   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3460                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3461                tmi->autowrap, tmi->centered, tmi->parse_comments);
3462
3463   DrawTextSCentered(ybottom, FONT_TEXT_4,
3464                     "Press any key or button for info menu");
3465
3466   FadeIn(REDRAW_FIELD);
3467 }
3468
3469 void HandleInfoScreen_LevelSet(int button)
3470 {
3471   if (button == MB_MENU_LEAVE)
3472   {
3473     PlaySound(SND_MENU_ITEM_SELECTING);
3474
3475     info_mode = INFO_MODE_MAIN;
3476     DrawInfoScreen();
3477
3478     return;
3479   }
3480   else if (button == MB_MENU_CHOICE)
3481   {
3482     PlaySound(SND_MENU_ITEM_SELECTING);
3483
3484     FadeSoundsAndMusic();
3485
3486     info_mode = INFO_MODE_MAIN;
3487     DrawInfoScreen();
3488   }
3489   else
3490   {
3491     PlayMenuSoundIfLoop();
3492   }
3493 }
3494
3495 static void DrawInfoScreen()
3496 {
3497   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3498
3499   if (info_mode == INFO_MODE_TITLE)
3500     DrawInfoScreen_TitleScreen();
3501   else if (info_mode == INFO_MODE_ELEMENTS)
3502     DrawInfoScreen_Elements();
3503   else if (info_mode == INFO_MODE_MUSIC)
3504     DrawInfoScreen_Music();
3505   else if (info_mode == INFO_MODE_CREDITS)
3506     DrawInfoScreen_Credits();
3507   else if (info_mode == INFO_MODE_PROGRAM)
3508     DrawInfoScreen_Program();
3509   else if (info_mode == INFO_MODE_VERSION)
3510     DrawInfoScreen_Version();
3511   else if (info_mode == INFO_MODE_LEVELSET)
3512     DrawInfoScreen_LevelSet();
3513   else
3514     DrawInfoScreen_Main();
3515
3516   if (info_mode != INFO_MODE_MAIN &&
3517       info_mode != INFO_MODE_TITLE &&
3518       info_mode != INFO_MODE_MUSIC)
3519   {
3520     PlayMenuSound();
3521     PlayMenuMusic();
3522   }
3523 }
3524
3525 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3526 {
3527   if (info_mode == INFO_MODE_TITLE)
3528     HandleInfoScreen_TitleScreen(button);
3529   else if (info_mode == INFO_MODE_ELEMENTS)
3530     HandleInfoScreen_Elements(button);
3531   else if (info_mode == INFO_MODE_MUSIC)
3532     HandleInfoScreen_Music(button);
3533   else if (info_mode == INFO_MODE_CREDITS)
3534     HandleInfoScreen_Credits(button);
3535   else if (info_mode == INFO_MODE_PROGRAM)
3536     HandleInfoScreen_Program(button);
3537   else if (info_mode == INFO_MODE_VERSION)
3538     HandleInfoScreen_Version(button);
3539   else if (info_mode == INFO_MODE_LEVELSET)
3540     HandleInfoScreen_LevelSet(button);
3541   else
3542     HandleInfoScreen_Main(mx, my, dx, dy, button);
3543 }
3544
3545
3546 /* ========================================================================= */
3547 /* type name functions                                                       */
3548 /* ========================================================================= */
3549
3550 void HandleTypeName(int newxpos, Key key)
3551 {
3552   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3553   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3554   struct TextPosInfo *pos = mci->pos_input;
3555   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3556   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3557   static int xpos = 0;
3558   int font_nr = pos->font;
3559   int font_active_nr = FONT_ACTIVE(font_nr);
3560   int font_width = getFontWidth(font_active_nr);
3561   char key_char = getValidConfigValueChar(getCharFromKey(key));
3562   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3563   boolean is_active = TRUE;
3564
3565   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3566
3567   if (newxpos)
3568   {
3569     strcpy(last_player_name, setup.player_name);
3570
3571     xpos = newxpos;
3572
3573 #if defined(TARGET_SDL2)
3574     SDL_StartTextInput();
3575 #endif
3576   }
3577   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3578   {
3579     setup.player_name[xpos] = key_char;
3580     setup.player_name[xpos + 1] = 0;
3581
3582     xpos++;
3583   }
3584   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3585   {
3586     xpos--;
3587
3588     setup.player_name[xpos] = 0;
3589   }
3590   else if (key == KSYM_Return && xpos > 0)
3591   {
3592     SaveSetup();
3593
3594     is_active = FALSE;
3595
3596     game_status = GAME_MODE_MAIN;
3597   }
3598   else if (key == KSYM_Escape)
3599   {
3600     strcpy(setup.player_name, last_player_name);
3601
3602     is_active = FALSE;
3603
3604     game_status = GAME_MODE_MAIN;
3605   }
3606
3607   if (is_active)
3608   {
3609     pos->width = (strlen(setup.player_name) + 1) * font_width;
3610     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3611
3612     DrawText(startx, starty, setup.player_name, font_active_nr);
3613     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3614   }
3615   else
3616   {
3617     pos->width = strlen(setup.player_name) * font_width;
3618     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3619
3620     DrawText(startx, starty, setup.player_name, font_nr);
3621
3622 #if defined(TARGET_SDL2)
3623     SDL_StopTextInput();
3624 #endif
3625   }
3626 }
3627
3628
3629 /* ========================================================================= */
3630 /* tree menu functions                                                       */
3631 /* ========================================================================= */
3632
3633 static void DrawChooseTree(TreeInfo **ti_ptr)
3634 {
3635   int fade_mask = REDRAW_FIELD;
3636
3637   if (CheckIfGlobalBorderHasChanged())
3638     fade_mask = REDRAW_ALL;
3639
3640   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3641   {
3642     game_status = GAME_MODE_MAIN;
3643
3644     DrawMainMenu();
3645
3646     return;
3647   }
3648
3649   UnmapAllGadgets();
3650
3651   FreeScreenGadgets();
3652   CreateScreenGadgets();
3653
3654   CloseDoor(DOOR_CLOSE_2);
3655
3656   FadeOut(fade_mask);
3657
3658   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3659
3660   ClearField();
3661
3662   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3663   MapScreenTreeGadgets(*ti_ptr);
3664
3665   DrawMaskedBorder(fade_mask);
3666
3667   FadeIn(fade_mask);
3668
3669   InitAnimation();
3670 }
3671
3672 static void drawChooseTreeList(int first_entry, int num_page_entries,
3673                                TreeInfo *ti)
3674 {
3675   int i;
3676   char *title_string = NULL;
3677   int yoffset_sets = MENU_TITLE1_YPOS;
3678   int yoffset_setup = 16;
3679   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3680                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3681   int last_game_status = game_status;   /* save current game status */
3682
3683   title_string = ti->infotext;
3684
3685   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3686
3687   clearMenuListArea();
3688
3689   for (i = 0; i < num_page_entries; i++)
3690   {
3691     TreeInfo *node, *node_first;
3692     int entry_pos = first_entry + i;
3693     int xpos = MENU_SCREEN_START_XPOS;
3694     int ypos = MENU_SCREEN_START_YPOS + i;
3695     int startx = mSX + xpos * 32;
3696     int starty = mSY + ypos * 32;
3697     int font_nr = FONT_TEXT_1;
3698     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3699     int startx_text = startx + font_xoffset;
3700     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3701     int text_size = startx_scrollbar - startx_text;
3702     int max_buffer_len = text_size / getFontWidth(font_nr);
3703     char buffer[max_buffer_len + 1];
3704
3705     node_first = getTreeInfoFirstGroupEntry(ti);
3706     node = getTreeInfoFromPos(node_first, entry_pos);
3707
3708     strncpy(buffer, node->name, max_buffer_len);
3709     buffer[max_buffer_len] = '\0';
3710
3711     DrawText(startx, starty, buffer, font_nr + node->color);
3712
3713     if (node->parent_link)
3714       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3715     else if (node->level_group)
3716       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3717     else
3718       initCursor(i, IMG_MENU_BUTTON);
3719   }
3720
3721   game_status = last_game_status;       /* restore current game status */
3722
3723   redraw_mask |= REDRAW_FIELD;
3724 }
3725
3726 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3727 {
3728   TreeInfo *node, *node_first;
3729   int x, last_redraw_mask = redraw_mask;
3730   int ypos = MENU_TITLE2_YPOS;
3731   int font_nr = FONT_TITLE_2;
3732
3733   if (ti->type == TREE_TYPE_LEVEL_NR)
3734     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3735
3736   if (ti->type != TREE_TYPE_LEVEL_DIR)
3737     return;
3738
3739   node_first = getTreeInfoFirstGroupEntry(ti);
3740   node = getTreeInfoFromPos(node_first, entry_pos);
3741
3742   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3743
3744   if (node->parent_link)
3745     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3746                       node->node_parent->name);
3747   else if (node->level_group)
3748     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3749                       node->name);
3750   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3751     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3752                       node->levels, (node->levels > 1 ? "levels" : "level"),
3753                       node->class_desc);
3754
3755   /* let BackToFront() redraw only what is needed */
3756   redraw_mask = last_redraw_mask;
3757   for (x = 0; x < SCR_FIELDX; x++)
3758     MarkTileDirty(x, 1);
3759 }
3760
3761 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3762                              TreeInfo **ti_ptr)
3763 {
3764   TreeInfo *ti = *ti_ptr;
3765   int x = 0;
3766   int y = ti->cl_cursor;
3767   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3768   int num_entries = numTreeInfoInGroup(ti);
3769   int num_page_entries;
3770   int last_game_status = game_status;   /* save current game status */
3771   boolean position_set_by_scrollbar = (dx == 999);
3772
3773   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3774     num_page_entries = num_entries;
3775   else
3776     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3777
3778   game_status = last_game_status;       /* restore current game status */
3779
3780   if (button == MB_MENU_INITIALIZE)
3781   {
3782     int num_entries = numTreeInfoInGroup(ti);
3783     int entry_pos = posTreeInfo(ti);
3784
3785     if (ti->cl_first == -1)
3786     {
3787       /* only on initialization */
3788       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3789       ti->cl_cursor = entry_pos - ti->cl_first;
3790     }
3791     else if (ti->cl_cursor >= num_page_entries ||
3792              (num_entries > num_page_entries &&
3793               num_entries - ti->cl_first < num_page_entries))
3794     {
3795       /* only after change of list size (by custom graphic configuration) */
3796       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3797       ti->cl_cursor = entry_pos - ti->cl_first;
3798     }
3799
3800     if (position_set_by_scrollbar)
3801       ti->cl_first = dy;
3802     else
3803       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3804                                 ti->cl_first, ti);
3805
3806     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3807     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3808     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3809
3810     return;
3811   }
3812   else if (button == MB_MENU_LEAVE)
3813   {
3814     FadeSetLeaveMenu();
3815
3816     PlaySound(SND_MENU_ITEM_SELECTING);
3817
3818     if (ti->node_parent)
3819     {
3820       *ti_ptr = ti->node_parent;
3821       DrawChooseTree(ti_ptr);
3822     }
3823     else if (game_status == GAME_MODE_SETUP)
3824     {
3825       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3826           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3827           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3828         execSetupGame();
3829       else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
3830                setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3831                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
3832         execSetupGraphics();
3833       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3834                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3835                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3836         execSetupSound();
3837       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3838                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3839                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3840         execSetupTouch();
3841       else
3842         execSetupArtwork();
3843     }
3844     else
3845     {
3846       if (game_status == GAME_MODE_LEVELNR)
3847       {
3848         int new_level_nr = atoi(level_number_current->identifier);
3849
3850         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3851       }
3852
3853       game_status = GAME_MODE_MAIN;
3854
3855       DrawMainMenu();
3856     }
3857
3858     return;
3859   }
3860
3861   if (mx || my)         /* mouse input */
3862   {
3863     int last_game_status = game_status; /* save current game status */
3864
3865     x = (mx - mSX) / 32;
3866     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3867
3868     game_status = last_game_status;     /* restore current game status */
3869   }
3870   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3871   {
3872     /* move cursor instead of scrolling when already at start/end of list */
3873     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3874       dy = -1;
3875     else if (dy == +1 * SCROLL_LINE &&
3876              ti->cl_first + num_page_entries == num_entries)
3877       dy = 1;
3878
3879     /* handle scrolling screen one line or page */
3880     if (ti->cl_cursor + dy < 0 ||
3881         ti->cl_cursor + dy > num_page_entries - 1)
3882     {
3883       boolean redraw = FALSE;
3884
3885       if (ABS(dy) == SCROLL_PAGE)
3886         step = num_page_entries - 1;
3887
3888       if (dy < 0 && ti->cl_first > 0)
3889       {
3890         /* scroll page/line up */
3891
3892         ti->cl_first -= step;
3893         if (ti->cl_first < 0)
3894           ti->cl_first = 0;
3895
3896         redraw = TRUE;
3897       }
3898       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3899       {
3900         /* scroll page/line down */
3901
3902         ti->cl_first += step;
3903         if (ti->cl_first + num_page_entries > num_entries)
3904           ti->cl_first = MAX(0, num_entries - num_page_entries);
3905
3906         redraw = TRUE;
3907       }
3908
3909       if (redraw)
3910       {
3911         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3912         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3913         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3914
3915         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3916                                   ti->cl_first, ti);
3917       }
3918
3919       return;
3920     }
3921
3922     /* handle moving cursor one line */
3923     y = ti->cl_cursor + dy;
3924   }
3925
3926   if (dx == 1)
3927   {
3928     TreeInfo *node_first, *node_cursor;
3929     int entry_pos = ti->cl_first + y;
3930
3931     node_first = getTreeInfoFirstGroupEntry(ti);
3932     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3933
3934     if (node_cursor->node_group)
3935     {
3936       FadeSetEnterMenu();
3937
3938       PlaySound(SND_MENU_ITEM_SELECTING);
3939
3940       node_cursor->cl_first = ti->cl_first;
3941       node_cursor->cl_cursor = ti->cl_cursor;
3942       *ti_ptr = node_cursor->node_group;
3943       DrawChooseTree(ti_ptr);
3944
3945       return;
3946     }
3947   }
3948   else if (dx == -1 && ti->node_parent)
3949   {
3950     FadeSetLeaveMenu();
3951
3952     PlaySound(SND_MENU_ITEM_SELECTING);
3953
3954     *ti_ptr = ti->node_parent;
3955     DrawChooseTree(ti_ptr);
3956
3957     return;
3958   }
3959
3960   if (!anyScrollbarGadgetActive() &&
3961       IN_VIS_MENU(x, y) &&
3962       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3963       y >= 0 && y < num_page_entries)
3964   {
3965     if (button)
3966     {
3967       if (y != ti->cl_cursor)
3968       {
3969         PlaySound(SND_MENU_ITEM_ACTIVATING);
3970
3971         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3972         drawChooseTreeCursor(y, TRUE);
3973         drawChooseTreeInfo(ti->cl_first + y, ti);
3974
3975         ti->cl_cursor = y;
3976       }
3977     }
3978     else
3979     {
3980       TreeInfo *node_first, *node_cursor;
3981       int entry_pos = ti->cl_first + y;
3982
3983       PlaySound(SND_MENU_ITEM_SELECTING);
3984
3985       node_first = getTreeInfoFirstGroupEntry(ti);
3986       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3987
3988       if (node_cursor->node_group)
3989       {
3990         FadeSetEnterMenu();
3991
3992         node_cursor->cl_first = ti->cl_first;
3993         node_cursor->cl_cursor = ti->cl_cursor;
3994         *ti_ptr = node_cursor->node_group;
3995         DrawChooseTree(ti_ptr);
3996       }
3997       else if (node_cursor->parent_link)
3998       {
3999         FadeSetLeaveMenu();
4000
4001         *ti_ptr = node_cursor->node_parent;
4002         DrawChooseTree(ti_ptr);
4003       }
4004       else
4005       {
4006         FadeSetEnterMenu();
4007
4008         node_cursor->cl_first = ti->cl_first;
4009         node_cursor->cl_cursor = ti->cl_cursor;
4010         *ti_ptr = node_cursor;
4011
4012         if (ti->type == TREE_TYPE_LEVEL_DIR)
4013         {
4014           LoadLevelSetup_SeriesInfo();
4015
4016           SaveLevelSetup_LastSeries();
4017           SaveLevelSetup_SeriesInfo();
4018           TapeErase();
4019         }
4020
4021         if (game_status == GAME_MODE_SETUP)
4022         {
4023           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4024               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4025               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4026             execSetupGame();
4027           else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
4028                    setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4029                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
4030             execSetupGraphics();
4031           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4032                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4033                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4034             execSetupSound();
4035           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4036                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4037                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4038             execSetupTouch();
4039           else
4040             execSetupArtwork();
4041         }
4042         else
4043         {
4044           if (game_status == GAME_MODE_LEVELNR)
4045           {
4046             int new_level_nr = atoi(level_number_current->identifier);
4047
4048             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4049           }
4050
4051           game_status = GAME_MODE_MAIN;
4052
4053           DrawMainMenu();
4054         }
4055       }
4056     }
4057   }
4058 }
4059
4060 void DrawChooseLevelSet()
4061 {
4062   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4063
4064   DrawChooseTree(&leveldir_current);
4065
4066   PlayMenuSound();
4067   PlayMenuMusic();
4068 }
4069
4070 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4071 {
4072   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4073 }
4074
4075 void DrawChooseLevelNr()
4076 {
4077   int i;
4078
4079   if (level_number != NULL)
4080   {
4081     freeTreeInfo(level_number);
4082
4083     level_number = NULL;
4084   }
4085
4086   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4087   {
4088     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4089     char identifier[32], name[32];
4090     int value = i;
4091
4092     /* temporarily load level info to get level name */
4093     LoadLevelInfoOnly(i);
4094
4095     ti->node_top = &level_number;
4096     ti->sort_priority = 10000 + value;
4097     ti->color = (level.no_valid_file ? FC_BLUE :
4098                  LevelStats_getSolved(i) ? FC_GREEN :
4099                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4100
4101     sprintf(identifier, "%d", value);
4102     sprintf(name, "%03d: %s", value,
4103             (level.no_valid_file ? "(no file)" : level.name));
4104
4105     setString(&ti->identifier, identifier);
4106     setString(&ti->name, name);
4107     setString(&ti->name_sorting, name);
4108
4109     pushTreeInfo(&level_number, ti);
4110   }
4111
4112   /* sort level number values to start with lowest level number */
4113   sortTreeInfo(&level_number);
4114
4115   /* set current level number to current level number */
4116   level_number_current =
4117     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4118
4119   /* if that also fails, set current level number to first available level */
4120   if (level_number_current == NULL)
4121     level_number_current = level_number;
4122
4123   SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4124
4125   DrawChooseTree(&level_number_current);
4126
4127   PlayMenuSound();
4128   PlayMenuMusic();
4129 }
4130
4131 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4132 {
4133   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4134 }
4135
4136 void DrawHallOfFame(int highlight_position)
4137 {
4138   int fade_mask = REDRAW_FIELD;
4139
4140   /* required before door position may be changed in next step */
4141   CloseDoor(DOOR_CLOSE_ALL);
4142
4143   /* needed if different viewport properties defined for scores */
4144   ChangeViewportPropertiesIfNeeded();
4145
4146   if (CheckIfGlobalBorderHasChanged())
4147     fade_mask = REDRAW_ALL;
4148
4149   UnmapAllGadgets();
4150   FadeSoundsAndMusic();
4151
4152   /* (this is needed when called from GameEnd() after winning a game) */
4153   KeyboardAutoRepeatOn();
4154   ActivateJoystick();
4155
4156   /* (this is needed when called from GameEnd() after winning a game) */
4157   SetDrawDeactivationMask(REDRAW_NONE);
4158   SetDrawBackgroundMask(REDRAW_FIELD);
4159
4160   if (highlight_position < 0)
4161     LoadScore(level_nr);
4162
4163   FadeSetEnterScreen();
4164
4165   FadeOut(fade_mask);
4166
4167   InitAnimation();
4168
4169   PlayMenuSound();
4170   PlayMenuMusic();
4171
4172   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4173
4174   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4175
4176   DrawMaskedBorder(fade_mask);
4177
4178   FadeIn(fade_mask);
4179 }
4180
4181 static void drawHallOfFameList(int first_entry, int highlight_position)
4182 {
4183   int i, j;
4184
4185   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4186   ClearField();
4187
4188   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4189   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4190                     "HighScores of Level %d", level_nr);
4191
4192   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4193   {
4194     int entry = first_entry + i;
4195     boolean active = (entry == highlight_position);
4196     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4197     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4198     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4199     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4200     int dx1 = 3 * getFontWidth(font_nr1);
4201     int dx2 = dx1 + getFontWidth(font_nr1);
4202     int dx3 = SXSIZE - 2 * (mSX - SX) - 5 * getFontWidth(font_nr4);
4203     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4204     int sy = mSY + 64 + i * 32;
4205
4206     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4207     DrawText(mSX + dx1, sy, ".", font_nr1);
4208
4209     for (j = 0; j < num_dots; j++)
4210       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4211
4212     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4213       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4214
4215     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4216   }
4217
4218   redraw_mask |= REDRAW_FIELD;
4219 }
4220
4221 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4222 {
4223   static int first_entry = 0;
4224   static int highlight_position = 0;
4225   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4226
4227   if (button == MB_MENU_INITIALIZE)
4228   {
4229     first_entry = 0;
4230     highlight_position = mx;
4231     drawHallOfFameList(first_entry, highlight_position);
4232
4233     return;
4234   }
4235
4236   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4237     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4238
4239   if (dy < 0)
4240   {
4241     if (first_entry > 0)
4242     {
4243       first_entry -= step;
4244       if (first_entry < 0)
4245         first_entry = 0;
4246
4247       drawHallOfFameList(first_entry, highlight_position);
4248     }
4249   }
4250   else if (dy > 0)
4251   {
4252     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4253     {
4254       first_entry += step;
4255       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4256         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4257
4258       drawHallOfFameList(first_entry, highlight_position);
4259     }
4260   }
4261   else if (button == MB_MENU_LEAVE)
4262   {
4263     PlaySound(SND_MENU_ITEM_SELECTING);
4264
4265     FadeSound(SND_BACKGROUND_SCORES);
4266
4267     game_status = GAME_MODE_MAIN;
4268
4269     DrawMainMenu();
4270   }
4271   else if (button == MB_MENU_CHOICE)
4272   {
4273     PlaySound(SND_MENU_ITEM_SELECTING);
4274
4275     FadeSound(SND_BACKGROUND_SCORES);
4276
4277     game_status = GAME_MODE_MAIN;
4278
4279     DrawMainMenu();
4280   }
4281
4282   if (game_status == GAME_MODE_SCORES)
4283     PlayMenuSoundIfLoop();
4284 }
4285
4286
4287 /* ========================================================================= */
4288 /* setup screen functions                                                    */
4289 /* ========================================================================= */
4290
4291 static struct TokenInfo *setup_info;
4292 static int num_setup_info;      /* number of setup entries shown on screen */
4293 static int max_setup_info;      /* total number of setup entries in list */
4294
4295 static char *screen_mode_text;
4296 static char *window_size_text;
4297 static char *scaling_type_text;
4298 static char *scroll_delay_text;
4299 static char *snapshot_mode_text;
4300 static char *game_speed_text;
4301 static char *graphics_set_name;
4302 static char *sounds_set_name;
4303 static char *music_set_name;
4304 static char *volume_simple_text;
4305 static char *volume_loops_text;
4306 static char *volume_music_text;
4307 static char *touch_controls_text;
4308 static char *move_distance_text;
4309 static char *drop_distance_text;
4310
4311 static void execSetupMain()
4312 {
4313   setup_mode = SETUP_MODE_MAIN;
4314
4315   DrawSetupScreen();
4316 }
4317
4318 static void execSetupGame_setGameSpeeds()
4319 {
4320   if (game_speeds == NULL)
4321   {
4322     int i;
4323
4324     for (i = 0; game_speeds_list[i].value != -1; i++)
4325     {
4326       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4327       char identifier[32], name[32];
4328       int value = game_speeds_list[i].value;
4329       char *text = game_speeds_list[i].text;
4330
4331       ti->node_top = &game_speeds;
4332       ti->sort_priority = 10000 - value;
4333
4334       sprintf(identifier, "%d", value);
4335       sprintf(name, "%s", text);
4336
4337       setString(&ti->identifier, identifier);
4338       setString(&ti->name, name);
4339       setString(&ti->name_sorting, name);
4340       setString(&ti->infotext, "Game Speed");
4341
4342       pushTreeInfo(&game_speeds, ti);
4343     }
4344
4345     /* sort game speed values to start with slowest game speed */
4346     sortTreeInfo(&game_speeds);
4347
4348     /* set current game speed to configured game speed value */
4349     game_speed_current =
4350       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4351
4352     /* if that fails, set current game speed to reliable default value */
4353     if (game_speed_current == NULL)
4354       game_speed_current =
4355         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4356
4357     /* if that also fails, set current game speed to first available speed */
4358     if (game_speed_current == NULL)
4359       game_speed_current = game_speeds;
4360   }
4361
4362   setup.game_frame_delay = atoi(game_speed_current->identifier);
4363
4364   /* needed for displaying game speed text instead of identifier */
4365   game_speed_text = game_speed_current->name;
4366 }
4367
4368 static void execSetupGame_setScrollDelays()
4369 {
4370   if (scroll_delays == NULL)
4371   {
4372     int i;
4373
4374     for (i = 0; scroll_delays_list[i].value != -1; i++)
4375     {
4376       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4377       char identifier[32], name[32];
4378       int value = scroll_delays_list[i].value;
4379       char *text = scroll_delays_list[i].text;
4380
4381       ti->node_top = &scroll_delays;
4382       ti->sort_priority = value;
4383
4384       sprintf(identifier, "%d", value);
4385       sprintf(name, "%s", text);
4386
4387       setString(&ti->identifier, identifier);
4388       setString(&ti->name, name);
4389       setString(&ti->name_sorting, name);
4390       setString(&ti->infotext, "Scaling Type");
4391
4392       pushTreeInfo(&scroll_delays, ti);
4393     }
4394
4395     /* sort scaling type values to start with lowest scaling type value */
4396     sortTreeInfo(&scroll_delays);
4397
4398     /* set current scaling type value to configured scaling type value */
4399     scroll_delay_current =
4400       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4401
4402     /* if that fails, set current scaling type to reliable default value */
4403     if (scroll_delay_current == NULL)
4404       scroll_delay_current =
4405         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4406
4407     /* if that also fails, set current scaling type to first available value */
4408     if (scroll_delay_current == NULL)
4409       scroll_delay_current = scroll_delays;
4410   }
4411
4412   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4413
4414   /* needed for displaying scaling type text instead of identifier */
4415   scroll_delay_text = scroll_delay_current->name;
4416 }
4417
4418 static void execSetupGame_setSnapshotModes()
4419 {
4420   if (snapshot_modes == NULL)
4421   {
4422     int i;
4423
4424     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4425     {
4426       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4427       char identifier[32], name[32];
4428       char *value = snapshot_modes_list[i].value;
4429       char *text = snapshot_modes_list[i].text;
4430
4431       ti->node_top = &snapshot_modes;
4432       ti->sort_priority = i;
4433
4434       sprintf(identifier, "%s", value);
4435       sprintf(name, "%s", text);
4436
4437       setString(&ti->identifier, identifier);
4438       setString(&ti->name, name);
4439       setString(&ti->name_sorting, name);
4440       setString(&ti->infotext, "Snapshot Mode");
4441
4442       pushTreeInfo(&snapshot_modes, ti);
4443     }
4444
4445     /* sort snapshot mode values to start with lowest snapshot mode value */
4446     sortTreeInfo(&snapshot_modes);
4447
4448     /* set current snapshot mode value to configured snapshot mode value */
4449     snapshot_mode_current =
4450       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4451
4452     /* if that fails, set current snapshot mode to reliable default value */
4453     if (snapshot_mode_current == NULL)
4454       snapshot_mode_current =
4455         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4456
4457     /* if that also fails, set current snapshot mode to first available value */
4458     if (snapshot_mode_current == NULL)
4459       snapshot_mode_current = snapshot_modes;
4460   }
4461
4462   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4463
4464   /* needed for displaying snapshot mode text instead of identifier */
4465   snapshot_mode_text = snapshot_mode_current->name;
4466 }
4467
4468 static void execSetupGame()
4469 {
4470   execSetupGame_setGameSpeeds();
4471   execSetupGame_setScrollDelays();
4472   execSetupGame_setSnapshotModes();
4473
4474   setup_mode = SETUP_MODE_GAME;
4475
4476   DrawSetupScreen();
4477 }
4478
4479 static void execSetupChooseGameSpeed()
4480 {
4481   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4482
4483   DrawSetupScreen();
4484 }
4485
4486 static void execSetupChooseScrollDelay()
4487 {
4488   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4489
4490   DrawSetupScreen();
4491 }
4492
4493 static void execSetupChooseSnapshotMode()
4494 {
4495   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4496
4497   DrawSetupScreen();
4498 }
4499
4500 static void execSetupEditor()
4501 {
4502   setup_mode = SETUP_MODE_EDITOR;
4503
4504   DrawSetupScreen();
4505 }
4506
4507 static void execSetupGraphics_setWindowSizes(boolean update_list)
4508 {
4509   if (window_sizes != NULL && update_list)
4510   {
4511     freeTreeInfo(window_sizes);
4512
4513     window_sizes = NULL;
4514   }
4515
4516   if (window_sizes == NULL)
4517   {
4518     boolean current_window_size_found = FALSE;
4519     int i;
4520
4521     for (i = 0; window_sizes_list[i].value != -1; i++)
4522     {
4523       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4524       char identifier[32], name[32];
4525       int value = window_sizes_list[i].value;
4526       char *text = window_sizes_list[i].text;
4527
4528       ti->node_top = &window_sizes;
4529       ti->sort_priority = value;
4530
4531       sprintf(identifier, "%d", value);
4532       sprintf(name, "%s", text);
4533
4534       setString(&ti->identifier, identifier);
4535       setString(&ti->name, name);
4536       setString(&ti->name_sorting, name);
4537       setString(&ti->infotext, "Window Scaling");
4538
4539       pushTreeInfo(&window_sizes, ti);
4540
4541       if (value == setup.window_scaling_percent)
4542         current_window_size_found = TRUE;
4543     }
4544
4545     if (!current_window_size_found)
4546     {
4547       // add entry for non-preset window scaling value
4548
4549       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4550       char identifier[32], name[32];
4551       int value = setup.window_scaling_percent;
4552
4553       ti->node_top = &window_sizes;
4554       ti->sort_priority = value;
4555
4556       sprintf(identifier, "%d", value);
4557       sprintf(name, "%d %% (Current)", value);
4558
4559       setString(&ti->identifier, identifier);
4560       setString(&ti->name, name);
4561       setString(&ti->name_sorting, name);
4562       setString(&ti->infotext, "Window Scaling");
4563
4564       pushTreeInfo(&window_sizes, ti);
4565     }
4566
4567     /* sort window size values to start with lowest window size value */
4568     sortTreeInfo(&window_sizes);
4569
4570     /* set current window size value to configured window size value */
4571     window_size_current =
4572       getTreeInfoFromIdentifier(window_sizes,
4573                                 i_to_a(setup.window_scaling_percent));
4574
4575     /* if that fails, set current window size to reliable default value */
4576     if (window_size_current == NULL)
4577       window_size_current =
4578         getTreeInfoFromIdentifier(window_sizes,
4579                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4580
4581     /* if that also fails, set current window size to first available value */
4582     if (window_size_current == NULL)
4583       window_size_current = window_sizes;
4584   }
4585
4586   setup.window_scaling_percent = atoi(window_size_current->identifier);
4587
4588   /* needed for displaying window size text instead of identifier */
4589   window_size_text = window_size_current->name;
4590 }
4591
4592 static void execSetupGraphics_setScalingTypes()
4593 {
4594   if (scaling_types == NULL)
4595   {
4596     int i;
4597
4598     for (i = 0; scaling_types_list[i].value != NULL; i++)
4599     {
4600       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4601       char identifier[32], name[32];
4602       char *value = scaling_types_list[i].value;
4603       char *text = scaling_types_list[i].text;
4604
4605       ti->node_top = &scaling_types;
4606       ti->sort_priority = i;
4607
4608       sprintf(identifier, "%s", value);
4609       sprintf(name, "%s", text);
4610
4611       setString(&ti->identifier, identifier);
4612       setString(&ti->name, name);
4613       setString(&ti->name_sorting, name);
4614       setString(&ti->infotext, "Anti-Aliasing");
4615
4616       pushTreeInfo(&scaling_types, ti);
4617     }
4618
4619     /* sort scaling type values to start with lowest scaling type value */
4620     sortTreeInfo(&scaling_types);
4621
4622     /* set current scaling type value to configured scaling type value */
4623     scaling_type_current =
4624       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4625
4626     /* if that fails, set current scaling type to reliable default value */
4627     if (scaling_type_current == NULL)
4628       scaling_type_current =
4629         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4630
4631     /* if that also fails, set current scaling type to first available value */
4632     if (scaling_type_current == NULL)
4633       scaling_type_current = scaling_types;
4634   }
4635
4636   setup.window_scaling_quality = scaling_type_current->identifier;
4637
4638   /* needed for displaying scaling type text instead of identifier */
4639   scaling_type_text = scaling_type_current->name;
4640 }
4641
4642 static void execSetupGraphics_setScreenModes()
4643 {
4644   // if (screen_modes == NULL && video.fullscreen_available)
4645   if (screen_modes == NULL && video.fullscreen_modes != NULL)
4646   {
4647     int i;
4648
4649     for (i = 0; video.fullscreen_modes[i].width != -1; i++)
4650     {
4651       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4652       char identifier[32], name[32];
4653       int x = video.fullscreen_modes[i].width;
4654       int y = video.fullscreen_modes[i].height;
4655       int xx, yy;
4656
4657       get_aspect_ratio_from_screen_mode(&video.fullscreen_modes[i], &xx, &yy);
4658
4659       ti->node_top = &screen_modes;
4660       ti->sort_priority = x * 10000 + y;
4661
4662       sprintf(identifier, "%dx%d", x, y);
4663       sprintf(name, "%d x %d [%d:%d]", x, y, xx, yy);
4664
4665       setString(&ti->identifier, identifier);
4666       setString(&ti->name, name);
4667       setString(&ti->name_sorting, name);
4668       setString(&ti->infotext, "Fullscreen Mode");
4669
4670       pushTreeInfo(&screen_modes, ti);
4671     }
4672
4673     /* sort fullscreen modes to start with lowest available screen resolution */
4674     sortTreeInfo(&screen_modes);
4675
4676     /* set current screen mode for fullscreen mode to configured setup value */
4677     screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4678                                                     setup.fullscreen_mode);
4679
4680     /* if that fails, set current screen mode to reliable default value */
4681     if (screen_mode_current == NULL)
4682       screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4683                                                       DEFAULT_FULLSCREEN_MODE);
4684
4685     /* if that also fails, set current screen mode to first available mode */
4686     if (screen_mode_current == NULL)
4687       screen_mode_current = screen_modes;
4688
4689     if (screen_mode_current == NULL)
4690       video.fullscreen_available = FALSE;
4691   }
4692
4693   // if (video.fullscreen_available)
4694   if (screen_mode_current != NULL)
4695   {
4696     setup.fullscreen_mode = screen_mode_current->identifier;
4697
4698     /* needed for displaying screen mode name instead of identifier */
4699     screen_mode_text = screen_mode_current->name;
4700   }
4701 }
4702
4703 static void execSetupGraphics()
4704 {
4705   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4706   {
4707     // update "setup.window_scaling_percent" from list selection
4708     execSetupGraphics_setWindowSizes(FALSE);
4709   }
4710   else
4711   {
4712     // update list selection from "setup.window_scaling_percent"
4713     execSetupGraphics_setWindowSizes(TRUE);
4714   }
4715
4716   execSetupGraphics_setScalingTypes();
4717   execSetupGraphics_setScreenModes();
4718
4719   setup_mode = SETUP_MODE_GRAPHICS;
4720
4721   DrawSetupScreen();
4722
4723 #if defined(TARGET_SDL2)
4724   // window scaling may have changed at this point
4725   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4726
4727   // window scaling quality may have changed at this point
4728   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4729     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4730 #endif
4731 }
4732
4733 #if !defined(PLATFORM_ANDROID)
4734 #if defined(TARGET_SDL2)
4735 static void execSetupChooseWindowSize()
4736 {
4737   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4738
4739   DrawSetupScreen();
4740 }
4741
4742 static void execSetupChooseScalingType()
4743 {
4744   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4745
4746   DrawSetupScreen();
4747 }
4748 #else
4749 static void execSetupChooseScreenMode()
4750 {
4751   if (!video.fullscreen_available)
4752     return;
4753
4754   setup_mode = SETUP_MODE_CHOOSE_SCREEN_MODE;
4755
4756   DrawSetupScreen();
4757 }
4758 #endif
4759 #endif
4760
4761 static void execSetupChooseVolumeSimple()
4762 {
4763   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4764
4765   DrawSetupScreen();
4766 }
4767
4768 static void execSetupChooseVolumeLoops()
4769 {
4770   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4771
4772   DrawSetupScreen();
4773 }
4774
4775 static void execSetupChooseVolumeMusic()
4776 {
4777   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4778
4779   DrawSetupScreen();
4780 }
4781
4782 static void execSetupSound()
4783 {
4784   if (volumes_simple == NULL)
4785   {
4786     boolean current_volume_simple_found = FALSE;
4787     int i;
4788
4789     for (i = 0; volumes_list[i].value != -1; i++)
4790     {
4791       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4792       char identifier[32], name[32];
4793       int value = volumes_list[i].value;
4794       char *text = volumes_list[i].text;
4795
4796       ti->node_top = &volumes_simple;
4797       ti->sort_priority = value;
4798
4799       sprintf(identifier, "%d", value);
4800       sprintf(name, "%s", text);
4801
4802       setString(&ti->identifier, identifier);
4803       setString(&ti->name, name);
4804       setString(&ti->name_sorting, name);
4805       setString(&ti->infotext, "Sound Volume");
4806
4807       pushTreeInfo(&volumes_simple, ti);
4808
4809       if (value == setup.volume_simple)
4810         current_volume_simple_found = TRUE;
4811     }
4812
4813     if (!current_volume_simple_found)
4814     {
4815       // add entry for non-preset volume value
4816
4817       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4818       char identifier[32], name[32];
4819       int value = setup.volume_simple;
4820
4821       ti->node_top = &volumes_simple;
4822       ti->sort_priority = value;
4823
4824       sprintf(identifier, "%d", value);
4825       sprintf(name, "%d %% (Current)", value);
4826
4827       setString(&ti->identifier, identifier);
4828       setString(&ti->name, name);
4829       setString(&ti->name_sorting, name);
4830       setString(&ti->infotext, "Sound Volume");
4831
4832       pushTreeInfo(&volumes_simple, ti);
4833     }
4834
4835     /* sort volume values to start with lowest volume value */
4836     sortTreeInfo(&volumes_simple);
4837
4838     /* set current volume value to configured volume value */
4839     volume_simple_current =
4840       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4841
4842     /* if that fails, set current volume to reliable default value */
4843     if (volume_simple_current == NULL)
4844       volume_simple_current =
4845         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4846
4847     /* if that also fails, set current volume to first available value */
4848     if (volume_simple_current == NULL)
4849       volume_simple_current = volumes_simple;
4850   }
4851
4852   if (volumes_loops == NULL)
4853   {
4854     boolean current_volume_loops_found = FALSE;
4855     int i;
4856
4857     for (i = 0; volumes_list[i].value != -1; i++)
4858     {
4859       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4860       char identifier[32], name[32];
4861       int value = volumes_list[i].value;
4862       char *text = volumes_list[i].text;
4863
4864       ti->node_top = &volumes_loops;
4865       ti->sort_priority = value;
4866
4867       sprintf(identifier, "%d", value);
4868       sprintf(name, "%s", text);
4869
4870       setString(&ti->identifier, identifier);
4871       setString(&ti->name, name);
4872       setString(&ti->name_sorting, name);
4873       setString(&ti->infotext, "Loops Volume");
4874
4875       pushTreeInfo(&volumes_loops, ti);
4876
4877       if (value == setup.volume_loops)
4878         current_volume_loops_found = TRUE;
4879     }
4880
4881     if (!current_volume_loops_found)
4882     {
4883       // add entry for non-preset volume value
4884
4885       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4886       char identifier[32], name[32];
4887       int value = setup.volume_loops;
4888
4889       ti->node_top = &volumes_loops;
4890       ti->sort_priority = value;
4891
4892       sprintf(identifier, "%d", value);
4893       sprintf(name, "%d %% (Current)", value);
4894
4895       setString(&ti->identifier, identifier);
4896       setString(&ti->name, name);
4897       setString(&ti->name_sorting, name);
4898       setString(&ti->infotext, "Loops Volume");
4899
4900       pushTreeInfo(&volumes_loops, ti);
4901     }
4902
4903     /* sort volume values to start with lowest volume value */
4904     sortTreeInfo(&volumes_loops);
4905
4906     /* set current volume value to configured volume value */
4907     volume_loops_current =
4908       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4909
4910     /* if that fails, set current volume to reliable default value */
4911     if (volume_loops_current == NULL)
4912       volume_loops_current =
4913         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4914
4915     /* if that also fails, set current volume to first available value */
4916     if (volume_loops_current == NULL)
4917       volume_loops_current = volumes_loops;
4918   }
4919
4920   if (volumes_music == NULL)
4921   {
4922     boolean current_volume_music_found = FALSE;
4923     int i;
4924
4925     for (i = 0; volumes_list[i].value != -1; i++)
4926     {
4927       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4928       char identifier[32], name[32];
4929       int value = volumes_list[i].value;
4930       char *text = volumes_list[i].text;
4931
4932       ti->node_top = &volumes_music;
4933       ti->sort_priority = value;
4934
4935       sprintf(identifier, "%d", value);
4936       sprintf(name, "%s", text);
4937
4938       setString(&ti->identifier, identifier);
4939       setString(&ti->name, name);
4940       setString(&ti->name_sorting, name);
4941       setString(&ti->infotext, "Music Volume");
4942
4943       pushTreeInfo(&volumes_music, ti);
4944
4945       if (value == setup.volume_music)
4946         current_volume_music_found = TRUE;
4947     }
4948
4949     if (!current_volume_music_found)
4950     {
4951       // add entry for non-preset volume value
4952
4953       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4954       char identifier[32], name[32];
4955       int value = setup.volume_music;
4956
4957       ti->node_top = &volumes_music;
4958       ti->sort_priority = value;
4959
4960       sprintf(identifier, "%d", value);
4961       sprintf(name, "%d %% (Current)", value);
4962
4963       setString(&ti->identifier, identifier);
4964       setString(&ti->name, name);
4965       setString(&ti->name_sorting, name);
4966       setString(&ti->infotext, "Music Volume");
4967
4968       pushTreeInfo(&volumes_music, ti);
4969     }
4970
4971     /* sort volume values to start with lowest volume value */
4972     sortTreeInfo(&volumes_music);
4973
4974     /* set current volume value to configured volume value */
4975     volume_music_current =
4976       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4977
4978     /* if that fails, set current volume to reliable default value */
4979     if (volume_music_current == NULL)
4980       volume_music_current =
4981         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4982
4983     /* if that also fails, set current volume to first available value */
4984     if (volume_music_current == NULL)
4985       volume_music_current = volumes_music;
4986   }
4987
4988   setup.volume_simple = atoi(volume_simple_current->identifier);
4989   setup.volume_loops  = atoi(volume_loops_current->identifier);
4990   setup.volume_music  = atoi(volume_music_current->identifier);
4991
4992   /* needed for displaying volume text instead of identifier */
4993   volume_simple_text = volume_simple_current->name;
4994   volume_loops_text = volume_loops_current->name;
4995   volume_music_text = volume_music_current->name;
4996
4997   setup_mode = SETUP_MODE_SOUND;
4998
4999   DrawSetupScreen();
5000 }
5001
5002 static void execSetupChooseTouchControls()
5003 {
5004   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5005
5006   DrawSetupScreen();
5007 }
5008
5009 static void execSetupChooseMoveDistance()
5010 {
5011   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5012
5013   DrawSetupScreen();
5014 }
5015
5016 static void execSetupChooseDropDistance()
5017 {
5018   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5019
5020   DrawSetupScreen();
5021 }
5022
5023 static void execSetupTouch()
5024 {
5025   if (touch_controls == NULL)
5026   {
5027     int i;
5028
5029     for (i = 0; touch_controls_list[i].value != NULL; i++)
5030     {
5031       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5032       char identifier[32], name[32];
5033       char *value = touch_controls_list[i].value;
5034       char *text = touch_controls_list[i].text;
5035
5036       ti->node_top = &touch_controls;
5037       ti->sort_priority = i;
5038
5039       sprintf(identifier, "%s", value);
5040       sprintf(name, "%s", text);
5041
5042       setString(&ti->identifier, identifier);
5043       setString(&ti->name, name);
5044       setString(&ti->name_sorting, name);
5045       setString(&ti->infotext, "Control Type");
5046
5047       pushTreeInfo(&touch_controls, ti);
5048     }
5049
5050     /* sort touch control values to start with lowest touch control value */
5051     sortTreeInfo(&touch_controls);
5052
5053     /* set current touch control value to configured touch control value */
5054     touch_control_current =
5055       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5056
5057     /* if that fails, set current touch control to reliable default value */
5058     if (touch_control_current == NULL)
5059       touch_control_current =
5060         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5061
5062     /* if that also fails, set current touch control to first available value */
5063     if (touch_control_current == NULL)
5064       touch_control_current = touch_controls;
5065   }
5066
5067   if (move_distances == NULL)
5068   {
5069     int i;
5070
5071     for (i = 0; distances_list[i].value != -1; i++)
5072     {
5073       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5074       char identifier[32], name[32];
5075       int value = distances_list[i].value;
5076       char *text = distances_list[i].text;
5077
5078       ti->node_top = &move_distances;
5079       ti->sort_priority = value;
5080
5081       sprintf(identifier, "%d", value);
5082       sprintf(name, "%s", text);
5083
5084       setString(&ti->identifier, identifier);
5085       setString(&ti->name, name);
5086       setString(&ti->name_sorting, name);
5087       setString(&ti->infotext, "Move Distance");
5088
5089       pushTreeInfo(&move_distances, ti);
5090     }
5091
5092     /* sort distance values to start with lowest distance value */
5093     sortTreeInfo(&move_distances);
5094
5095     /* set current distance value to configured distance value */
5096     move_distance_current =
5097       getTreeInfoFromIdentifier(move_distances,
5098                                 i_to_a(setup.touch.move_distance));
5099
5100     /* if that fails, set current distance to reliable default value */
5101     if (move_distance_current == NULL)
5102       move_distance_current =
5103         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5104
5105     /* if that also fails, set current distance to first available value */
5106     if (move_distance_current == NULL)
5107       move_distance_current = move_distances;
5108   }
5109
5110   if (drop_distances == NULL)
5111   {
5112     int i;
5113
5114     for (i = 0; distances_list[i].value != -1; i++)
5115     {
5116       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5117       char identifier[32], name[32];
5118       int value = distances_list[i].value;
5119       char *text = distances_list[i].text;
5120
5121       ti->node_top = &drop_distances;
5122       ti->sort_priority = value;
5123
5124       sprintf(identifier, "%d", value);
5125       sprintf(name, "%s", text);
5126
5127       setString(&ti->identifier, identifier);
5128       setString(&ti->name, name);
5129       setString(&ti->name_sorting, name);
5130       setString(&ti->infotext, "Drop Distance");
5131
5132       pushTreeInfo(&drop_distances, ti);
5133     }
5134
5135     /* sort distance values to start with lowest distance value */
5136     sortTreeInfo(&drop_distances);
5137
5138     /* set current distance value to configured distance value */
5139     drop_distance_current =
5140       getTreeInfoFromIdentifier(drop_distances,
5141                                 i_to_a(setup.touch.drop_distance));
5142
5143     /* if that fails, set current distance to reliable default value */
5144     if (drop_distance_current == NULL)
5145       drop_distance_current =
5146         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5147
5148     /* if that also fails, set current distance to first available value */
5149     if (drop_distance_current == NULL)
5150       drop_distance_current = drop_distances;
5151   }
5152
5153   setup.touch.control_type = touch_control_current->identifier;
5154   setup.touch.move_distance = atoi(move_distance_current->identifier);
5155   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5156
5157   /* needed for displaying volume text instead of identifier */
5158   touch_controls_text = touch_control_current->name;
5159   move_distance_text = move_distance_current->name;
5160   drop_distance_text = drop_distance_current->name;
5161
5162   setup_mode = SETUP_MODE_TOUCH;
5163
5164   DrawSetupScreen();
5165 }
5166
5167 static void execSetupArtwork()
5168 {
5169 #if 0
5170   printf("::: '%s', '%s', '%s'\n",
5171          artwork.gfx_current->subdir,
5172          artwork.gfx_current->fullpath,
5173          artwork.gfx_current->basepath);
5174 #endif
5175
5176   setup.graphics_set = artwork.gfx_current->identifier;
5177   setup.sounds_set = artwork.snd_current->identifier;
5178   setup.music_set = artwork.mus_current->identifier;
5179
5180   /* needed if last screen (setup choice) changed graphics, sounds or music */
5181   ReloadCustomArtwork(0);
5182
5183   /* needed for displaying artwork name instead of artwork identifier */
5184   graphics_set_name = artwork.gfx_current->name;
5185   sounds_set_name = artwork.snd_current->name;
5186   music_set_name = artwork.mus_current->name;
5187
5188   setup_mode = SETUP_MODE_ARTWORK;
5189
5190   DrawSetupScreen();
5191 }
5192
5193 static void execSetupChooseGraphics()
5194 {
5195   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5196
5197   DrawSetupScreen();
5198 }
5199
5200 static void execSetupChooseSounds()
5201 {
5202   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5203
5204   DrawSetupScreen();
5205 }
5206
5207 static void execSetupChooseMusic()
5208 {
5209   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5210
5211   DrawSetupScreen();
5212 }
5213
5214 #if !defined(PLATFORM_ANDROID)
5215 static void execSetupInput()
5216 {
5217   setup_mode = SETUP_MODE_INPUT;
5218
5219   DrawSetupScreen();
5220 }
5221 #endif
5222
5223 static void execSetupShortcuts()
5224 {
5225   setup_mode = SETUP_MODE_SHORTCUTS;
5226
5227   DrawSetupScreen();
5228 }
5229
5230 static void execSetupShortcuts1()
5231 {
5232   setup_mode = SETUP_MODE_SHORTCUTS_1;
5233
5234   DrawSetupScreen();
5235 }
5236
5237 static void execSetupShortcuts2()
5238 {
5239   setup_mode = SETUP_MODE_SHORTCUTS_2;
5240
5241   DrawSetupScreen();
5242 }
5243
5244 static void execSetupShortcuts3()
5245 {
5246   setup_mode = SETUP_MODE_SHORTCUTS_3;
5247
5248   DrawSetupScreen();
5249 }
5250
5251 static void execSetupShortcuts4()
5252 {
5253   setup_mode = SETUP_MODE_SHORTCUTS_4;
5254
5255   DrawSetupScreen();
5256 }
5257
5258 static void execSetupShortcuts5()
5259 {
5260   setup_mode = SETUP_MODE_SHORTCUTS_5;
5261
5262   DrawSetupScreen();
5263 }
5264
5265 static void execExitSetup()
5266 {
5267   game_status = GAME_MODE_MAIN;
5268
5269   DrawMainMenu();
5270 }
5271
5272 static void execSaveAndExitSetup()
5273 {
5274   SaveSetup();
5275   execExitSetup();
5276 }
5277
5278 static struct TokenInfo setup_info_main[] =
5279 {
5280   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5281   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5282   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5283   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5284   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5285 #if !defined(PLATFORM_ANDROID)
5286   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5287   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5288 #else
5289   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5290 #endif
5291   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5292   { TYPE_EMPTY,         NULL,                   ""                      },
5293   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5294   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5295
5296   { 0,                  NULL,                   NULL                    }
5297 };
5298
5299 static struct TokenInfo setup_info_game[] =
5300 {
5301   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5302   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5303   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5304   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5305   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5306   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5307   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5308   { TYPE_STRING,        &game_speed_text,       ""                      },
5309 #if 1
5310   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5311   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5312 #endif
5313   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5314   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5315   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5316   { TYPE_EMPTY,         NULL,                   ""                      },
5317   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5318
5319   { 0,                  NULL,                   NULL                    }
5320 };
5321
5322 static struct TokenInfo setup_info_editor[] =
5323 {
5324 #if 0
5325   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5326   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5327   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5328   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5329   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5330   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5331   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5332   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5333 #endif
5334   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5335   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5336   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5337 #if 0
5338   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5339 #endif
5340   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5341   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5342   { TYPE_EMPTY,         NULL,                   ""                      },
5343 #if 0
5344   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5345   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5346   { TYPE_EMPTY,         NULL,                   ""                      },
5347 #endif
5348   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5349   { TYPE_EMPTY,         NULL,                   ""                      },
5350   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5351
5352   { 0,                  NULL,                   NULL                    }
5353 };
5354
5355 static struct TokenInfo setup_info_graphics[] =
5356 {
5357 #if !defined(PLATFORM_ANDROID)
5358   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5359 #if defined(TARGET_SDL2)
5360   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5361   { TYPE_STRING,        &window_size_text,      ""                      },
5362   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5363   { TYPE_STRING,        &scaling_type_text,     ""                      },
5364 #else
5365   { TYPE_ENTER_LIST,    execSetupChooseScreenMode, "Fullscreen Mode:"   },
5366   { TYPE_STRING,        &screen_mode_text,      ""                      },
5367 #endif
5368 #endif
5369 #if 0
5370   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5371   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5372 #endif
5373   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5374   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5375   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5376   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5377   { TYPE_SWITCH,        &setup.toons,           "Show Toons:"           },
5378   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5379   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5380   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5381   { TYPE_EMPTY,         NULL,                   ""                      },
5382   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5383
5384   { 0,                  NULL,                   NULL                    }
5385 };
5386
5387 static struct TokenInfo setup_info_sound[] =
5388 {
5389   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5390   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5391   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5392   { TYPE_EMPTY,         NULL,                   ""                      },
5393   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5394   { TYPE_STRING,        &volume_simple_text,    ""                      },
5395   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5396   { TYPE_STRING,        &volume_loops_text,     ""                      },
5397   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5398   { TYPE_STRING,        &volume_music_text,     ""                      },
5399   { TYPE_EMPTY,         NULL,                   ""                      },
5400   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5401
5402   { 0,                  NULL,                   NULL                    }
5403 };
5404
5405 static struct TokenInfo setup_info_artwork[] =
5406 {
5407   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5408   { TYPE_STRING,        &graphics_set_name,     ""                      },
5409   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5410   { TYPE_STRING,        &sounds_set_name,       ""                      },
5411   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5412   { TYPE_STRING,        &music_set_name,        ""                      },
5413   { TYPE_EMPTY,         NULL,                   ""                      },
5414   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5415   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5416   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5417   { TYPE_EMPTY,         NULL,                   ""                      },
5418   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5419
5420   { 0,                  NULL,                   NULL                    }
5421 };
5422
5423 static struct TokenInfo setup_info_input[] =
5424 {
5425   { TYPE_SWITCH,        NULL,                   "Player:"               },
5426   { TYPE_SWITCH,        NULL,                   "Device:"               },
5427   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5428   { TYPE_EMPTY,         NULL,                   ""                      },
5429   { TYPE_EMPTY,         NULL,                   ""                      },
5430   { TYPE_EMPTY,         NULL,                   ""                      },
5431   { TYPE_EMPTY,         NULL,                   ""                      },
5432   { TYPE_EMPTY,         NULL,                   ""                      },
5433   { TYPE_EMPTY,         NULL,                   ""                      },
5434   { TYPE_EMPTY,         NULL,                   ""                      },
5435   { TYPE_EMPTY,         NULL,                   ""                      },
5436   { TYPE_EMPTY,         NULL,                   ""                      },
5437   { TYPE_EMPTY,         NULL,                   ""                      },
5438   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5439
5440   { 0,                  NULL,                   NULL                    }
5441 };
5442
5443 static struct TokenInfo setup_info_touch[] =
5444 {
5445   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5446   { TYPE_STRING,        &touch_controls_text,   ""                      },
5447   { TYPE_EMPTY,         NULL,                   ""                      },
5448   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5449   { TYPE_STRING,        &move_distance_text,    ""                      },
5450   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5451   { TYPE_STRING,        &drop_distance_text,    ""                      },
5452   { TYPE_EMPTY,         NULL,                   ""                      },
5453   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5454
5455   { 0,                  NULL,                   NULL                    }
5456 };
5457
5458 static struct TokenInfo setup_info_shortcuts[] =
5459 {
5460   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5461   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5462   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5463   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5464   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5465   { TYPE_EMPTY,         NULL,                   ""                      },
5466   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5467
5468   { 0,                  NULL,                   NULL                    }
5469 };
5470
5471 static struct TokenInfo setup_info_shortcuts_1[] =
5472 {
5473   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5474   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5475   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5476   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5477   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5478   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5479   { TYPE_EMPTY,         NULL,                   ""                      },
5480   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5481   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5482   { TYPE_EMPTY,         NULL,                   ""                      },
5483   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5484
5485   { 0,                  NULL,                   NULL                    }
5486 };
5487
5488 static struct TokenInfo setup_info_shortcuts_2[] =
5489 {
5490   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5491   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5492   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5493   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5494   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5495   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5496   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5497   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5498   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5499   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5500   { TYPE_EMPTY,         NULL,                   ""                      },
5501   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5502
5503   { 0,                  NULL,                   NULL                    }
5504 };
5505
5506 static struct TokenInfo setup_info_shortcuts_3[] =
5507 {
5508   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5509   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5510   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5511   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5512   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5513   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5514   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5515   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5516   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5517   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5518   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5519   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5520   { TYPE_EMPTY,         NULL,                   ""                      },
5521   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5522
5523   { 0,                  NULL,                   NULL                    }
5524 };
5525
5526 static struct TokenInfo setup_info_shortcuts_4[] =
5527 {
5528   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5529   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5530   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5531   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5532   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5533   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5534   { TYPE_EMPTY,         NULL,                   ""                      },
5535   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5536
5537   { 0,                  NULL,                   NULL                    }
5538 };
5539
5540 static struct TokenInfo setup_info_shortcuts_5[] =
5541 {
5542   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5543   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5544   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5545   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5546   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5547   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5548   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5549   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5550   { TYPE_EMPTY,         NULL,                   ""                      },
5551   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5552
5553   { 0,                  NULL,                   NULL                    }
5554 };
5555
5556 static Key getSetupKey()
5557 {
5558   Key key = KSYM_UNDEFINED;
5559   boolean got_key_event = FALSE;
5560
5561   while (!got_key_event)
5562   {
5563     if (PendingEvent())         /* got event */
5564     {
5565       Event event;
5566
5567       NextEvent(&event);
5568
5569       switch (event.type)
5570       {
5571         case EVENT_KEYPRESS:
5572           {
5573             key = GetEventKey((KeyEvent *)&event, TRUE);
5574
5575             /* press 'Escape' or 'Enter' to keep the existing key binding */
5576             if (key == KSYM_Escape || key == KSYM_Return)
5577               key = KSYM_UNDEFINED;     /* keep old value */
5578
5579             got_key_event = TRUE;
5580           }
5581           break;
5582
5583         case EVENT_KEYRELEASE:
5584           key_joystick_mapping = 0;
5585           break;
5586
5587         default:
5588           HandleOtherEvents(&event);
5589           break;
5590       }
5591     }
5592
5593     DoAnimation();
5594     BackToFront();
5595
5596     /* don't eat all CPU time */
5597     Delay(10);
5598   }
5599
5600   return key;
5601 }
5602
5603 static int getSetupValueFont(int type, void *value)
5604 {
5605   if (type & TYPE_KEY)
5606     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5607   else if (type & TYPE_STRING)
5608     return FONT_VALUE_2;
5609   else if (type & TYPE_ECS_AGA)
5610     return FONT_VALUE_1;
5611   else if (type & TYPE_BOOLEAN_STYLE)
5612     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5613   else if (type & TYPE_YES_NO_AUTO)
5614     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5615             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5616   else
5617     return FONT_VALUE_1;
5618 }
5619
5620 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5621 {
5622   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5623   struct TokenInfo *si = &setup_info[si_pos];
5624   boolean font_draw_xoffset_modified = FALSE;
5625   int font_draw_xoffset_old = -1;
5626   int xoffset = (num_setup_info < max_setup_info ? -1 : 0);
5627   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5628   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5629   int xpos = menu_screen_value_xpos;
5630   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5631   int startx = mSX + xpos * 32;
5632   int starty = mSY + ypos * 32;
5633   int font_nr, font_width;
5634   int type = si->type;
5635   void *value = si->value;
5636   char *value_string = getSetupValue(type, value);
5637   int i;
5638
5639   if (value_string == NULL)
5640     return;
5641
5642   if (type & TYPE_KEY)
5643   {
5644     xpos = MENU_SCREEN_START_XPOS;
5645
5646     if (type & TYPE_QUERY)
5647       value_string = "<press key>";
5648   }
5649   else if (type & TYPE_STRING)
5650   {
5651     int max_value_len = (SCR_FIELDX - 2) * 2;
5652
5653     xpos = MENU_SCREEN_START_XPOS;
5654
5655     if (strlen(value_string) > max_value_len)
5656       value_string[max_value_len] = '\0';
5657   }
5658   else if (type & TYPE_YES_NO_AUTO)
5659   {
5660     xpos = menu_screen_value_xpos - 1;
5661   }
5662
5663   startx = mSX + xpos * 32;
5664   starty = mSY + ypos * 32;
5665   font_nr = getSetupValueFont(type, value);
5666   font_width = getFontWidth(font_nr);
5667
5668   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5669   if (setup_mode != SETUP_MODE_INPUT)
5670   {
5671     int max_menu_text_length_big = (menu_screen_value_xpos -
5672                                     MENU_SCREEN_START_XPOS);
5673     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5674     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5675     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5676     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5677     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5678     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5679     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5680     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5681     boolean correct_font_draw_xoffset = FALSE;
5682
5683     if (xpos == MENU_SCREEN_START_XPOS &&
5684         startx + font1_xoffset < text_startx + text_font_xoffset)
5685       correct_font_draw_xoffset = TRUE;
5686
5687     if (xpos == menu_screen_value_xpos &&
5688         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5689       correct_font_draw_xoffset = TRUE;
5690
5691     /* check if setup value would overlap with setup text when printed */
5692     /* (this can happen for extreme/wrong values for font draw offset) */
5693     if (correct_font_draw_xoffset)
5694     {
5695       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5696       font_draw_xoffset_modified = TRUE;
5697
5698       if (type & TYPE_KEY)
5699         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5700       else if (!(type & TYPE_STRING))
5701         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5702           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5703     }
5704   }
5705
5706   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5707     DrawText(startx + i * font_width, starty, " ", font_nr);
5708
5709   DrawText(startx, starty, value_string, font_nr);
5710
5711   if (font_draw_xoffset_modified)
5712     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5713 }
5714
5715 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5716 {
5717   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5718   struct TokenInfo *si = &setup_info[si_pos];
5719
5720   if (si->type & TYPE_BOOLEAN_STYLE)
5721   {
5722     *(boolean *)si->value ^= TRUE;
5723   }
5724   else if (si->type & TYPE_YES_NO_AUTO)
5725   {
5726     *(int *)si->value =
5727       (dx == -1 ?
5728        (*(int *)si->value == AUTO ? TRUE :
5729         *(int *)si->value == TRUE ? FALSE : AUTO) :
5730        (*(int *)si->value == TRUE ? AUTO :
5731         *(int *)si->value == AUTO ? FALSE : TRUE));
5732   }
5733   else if (si->type & TYPE_KEY)
5734   {
5735     Key key;
5736
5737     si->type |= TYPE_QUERY;
5738     drawSetupValue(screen_pos, setup_info_pos_raw);
5739     si->type &= ~TYPE_QUERY;
5740
5741     key = getSetupKey();
5742     if (key != KSYM_UNDEFINED)
5743       *(Key *)si->value = key;
5744   }
5745
5746   drawSetupValue(screen_pos, setup_info_pos_raw);
5747
5748   // fullscreen state may have changed at this point
5749   if (si->value == &setup.fullscreen)
5750     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5751 }
5752
5753 static void DrawSetupScreen_Generic()
5754 {
5755   int fade_mask = REDRAW_FIELD;
5756   boolean redraw_all = FALSE;
5757   char *title_string = NULL;
5758   int i;
5759
5760   if (CheckIfGlobalBorderHasChanged())
5761     fade_mask = REDRAW_ALL;
5762
5763   UnmapAllGadgets();
5764
5765   FreeScreenGadgets();
5766   CreateScreenGadgets();
5767
5768   CloseDoor(DOOR_CLOSE_2);
5769
5770   if (redraw_mask & REDRAW_ALL)
5771     redraw_all = TRUE;
5772
5773   FadeOut(fade_mask);
5774
5775   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5776
5777   ClearField();
5778
5779   if (setup_mode == SETUP_MODE_MAIN)
5780   {
5781     setup_info = setup_info_main;
5782     title_string = "Setup";
5783   }
5784   else if (setup_mode == SETUP_MODE_GAME)
5785   {
5786     setup_info = setup_info_game;
5787     title_string = "Setup Game";
5788   }
5789   else if (setup_mode == SETUP_MODE_EDITOR)
5790   {
5791     setup_info = setup_info_editor;
5792     title_string = "Setup Editor";
5793   }
5794   else if (setup_mode == SETUP_MODE_GRAPHICS)
5795   {
5796     setup_info = setup_info_graphics;
5797     title_string = "Setup Graphics";
5798   }
5799   else if (setup_mode == SETUP_MODE_SOUND)
5800   {
5801     setup_info = setup_info_sound;
5802     title_string = "Setup Sound";
5803   }
5804   else if (setup_mode == SETUP_MODE_ARTWORK)
5805   {
5806     setup_info = setup_info_artwork;
5807     title_string = "Custom Artwork";
5808   }
5809   else if (setup_mode == SETUP_MODE_TOUCH)
5810   {
5811     setup_info = setup_info_touch;
5812     title_string = "Setup Touch Ctrls";
5813   }
5814   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5815   {
5816     setup_info = setup_info_shortcuts;
5817     title_string = "Setup Shortcuts";
5818   }
5819   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5820   {
5821     setup_info = setup_info_shortcuts_1;
5822     title_string = "Setup Shortcuts";
5823   }
5824   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5825   {
5826     setup_info = setup_info_shortcuts_2;
5827     title_string = "Setup Shortcuts";
5828   }
5829   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5830   {
5831     setup_info = setup_info_shortcuts_3;
5832     title_string = "Setup Shortcuts";
5833   }
5834   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5835   {
5836     setup_info = setup_info_shortcuts_4;
5837     title_string = "Setup Shortcuts";
5838   }
5839   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5840   {
5841     setup_info = setup_info_shortcuts_5;
5842     title_string = "Setup Shortcuts";
5843   }
5844
5845   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5846
5847   // determine maximal number of setup entries that can be displayed on screen
5848   num_setup_info = 0;
5849   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5850     num_setup_info++;
5851
5852   // determine maximal number of setup entries available for this setup screen
5853   max_setup_info = 0;
5854   for (i = 0; setup_info[i].type != 0; i++)
5855     max_setup_info++;
5856
5857   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5858
5859   MapScreenGadgets(max_setup_info);
5860
5861   if (redraw_all)
5862     redraw_mask = fade_mask = REDRAW_ALL;
5863
5864   DrawMaskedBorder(fade_mask);
5865
5866   FadeIn(fade_mask);
5867
5868   InitAnimation();
5869 }
5870
5871 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5872 {
5873   menu_info = setup_info;
5874
5875   HandleMenuScreen(mx, my, dx, dy, button,
5876                    setup_mode, num_setup_info, max_setup_info);
5877 }
5878
5879 void DrawSetupScreen_Input()
5880 {
5881   int i;
5882
5883   FadeOut(REDRAW_FIELD);
5884
5885   ClearField();
5886
5887   setup_info = setup_info_input;
5888
5889   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5890
5891   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5892                     "Joysticks deactivated on this screen");
5893
5894   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5895   {
5896     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5897       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5898     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5899       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5900     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5901       initCursor(i, IMG_MENU_BUTTON);
5902
5903     DrawCursorAndText_Setup(i, -1, FALSE);
5904   }
5905
5906   /* create gadgets for setup input menu screen */
5907   FreeScreenGadgets();
5908   CreateScreenGadgets();
5909
5910   /* map gadgets for setup input menu screen */
5911   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5912
5913   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5914
5915   FadeIn(REDRAW_FIELD);
5916
5917   InitAnimation();
5918 }
5919
5920 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5921 {
5922   if (device_name == NULL)
5923     return;
5924
5925   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5926     device_nr = 0;
5927
5928   if (strlen(device_name) > 1)
5929   {
5930     char c1 = device_name[strlen(device_name) - 1];
5931     char c2 = device_name[strlen(device_name) - 2];
5932
5933     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5934       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5935   }
5936   else
5937     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5938             strlen(device_name));
5939 }
5940
5941 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5942 {
5943   int i;
5944   static struct SetupKeyboardInfo custom_key;
5945   static struct
5946   {
5947     Key *key;
5948     char *text;
5949   } custom[] =
5950   {
5951     { &custom_key.left,  "Joystick Left"  },
5952     { &custom_key.right, "Joystick Right" },
5953     { &custom_key.up,    "Joystick Up"    },
5954     { &custom_key.down,  "Joystick Down"  },
5955     { &custom_key.snap,  "Button 1"       },
5956     { &custom_key.drop,  "Button 2"       }
5957   };
5958   static char *joystick_name[MAX_PLAYERS] =
5959   {
5960     "Joystick1",
5961     "Joystick2",
5962     "Joystick3",
5963     "Joystick4"
5964   };
5965   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5966
5967   InitJoysticks();
5968
5969   custom_key = setup.input[player_nr].key;
5970
5971   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5972            FONT_INPUT_1_ACTIVE);
5973
5974   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5975                              TILEX, TILEY);
5976   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5977                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5978
5979   if (setup.input[player_nr].use_joystick)
5980   {
5981     char *device_name = setup.input[player_nr].joy.device_name;
5982     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
5983     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
5984
5985     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
5986     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
5987   }
5988   else
5989   {
5990     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
5991     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
5992   }
5993
5994   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
5995
5996   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
5997   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
5998   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
5999   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6000
6001   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6002   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6003   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6004   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6005   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6006   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6007
6008   for (i = 0; i < 6; i++)
6009   {
6010     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6011
6012     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6013              "              ", FONT_VALUE_1);
6014     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6015              (setup.input[player_nr].use_joystick ?
6016               custom[i].text :
6017               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6018   }
6019 }
6020
6021 static int input_player_nr = 0;
6022
6023 void HandleSetupScreen_Input_Player(int step, int direction)
6024 {
6025   int old_player_nr = input_player_nr;
6026   int new_player_nr;
6027
6028   new_player_nr = old_player_nr + step * direction;
6029   if (new_player_nr < 0)
6030     new_player_nr = 0;
6031   if (new_player_nr > MAX_PLAYERS - 1)
6032     new_player_nr = MAX_PLAYERS - 1;
6033
6034   if (new_player_nr != old_player_nr)
6035   {
6036     input_player_nr = new_player_nr;
6037
6038     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6039   }
6040 }
6041
6042 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6043 {
6044   static int choice = 0;
6045   int x = 0;
6046   int y = choice;
6047   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6048   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6049   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6050   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6051
6052   if (button == MB_MENU_INITIALIZE)
6053   {
6054     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6055
6056     DrawCursorAndText_Setup(choice, -1, TRUE);
6057
6058     return;
6059   }
6060   else if (button == MB_MENU_LEAVE)
6061   {
6062     setup_mode = SETUP_MODE_MAIN;
6063     DrawSetupScreen();
6064     InitJoysticks();
6065
6066     return;
6067   }
6068
6069   if (mx || my)         /* mouse input */
6070   {
6071     x = (mx - mSX) / 32;
6072     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6073   }
6074   else if (dx || dy)    /* keyboard input */
6075   {
6076     if (dx && choice == 0)
6077       x = (dx < 0 ? 10 : 12);
6078     else if ((dx && choice == 1) ||
6079              (dx == +1 && choice == 2) ||
6080              (dx == -1 && choice == pos_end))
6081       button = MB_MENU_CHOICE;
6082     else if (dy)
6083       y = choice + dy;
6084
6085     if (y >= pos_empty1 && y <= pos_empty2)
6086       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6087   }
6088
6089   if (y == 0 && dx != 0 && button)
6090   {
6091     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6092   }
6093   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6094            y >= pos_start && y <= pos_end &&
6095            !(y >= pos_empty1 && y <= pos_empty2))
6096   {
6097     if (button)
6098     {
6099       if (y != choice)
6100       {
6101         DrawCursorAndText_Setup(choice, -1, FALSE);
6102         DrawCursorAndText_Setup(y, -1, TRUE);
6103
6104         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6105
6106         choice = y;
6107       }
6108     }
6109     else
6110     {
6111       if (y == 1)
6112       {
6113         char *device_name = setup.input[input_player_nr].joy.device_name;
6114
6115         if (!setup.input[input_player_nr].use_joystick)
6116         {
6117           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6118
6119           setJoystickDeviceToNr(device_name, new_device_nr);
6120           setup.input[input_player_nr].use_joystick = TRUE;
6121         }
6122         else
6123         {
6124           int device_nr = getJoystickNrFromDeviceName(device_name);
6125           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6126
6127           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6128             setup.input[input_player_nr].use_joystick = FALSE;
6129           else
6130             setJoystickDeviceToNr(device_name, new_device_nr);
6131         }
6132
6133         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6134       }
6135       else if (y == 2)
6136       {
6137         if (setup.input[input_player_nr].use_joystick)
6138         {
6139           InitJoysticks();
6140           CalibrateJoystick(input_player_nr);
6141         }
6142         else
6143           CustomizeKeyboard(input_player_nr);
6144       }
6145       else if (y == pos_end)
6146       {
6147         InitJoysticks();
6148
6149         FadeSetLeaveMenu();
6150
6151         setup_mode = SETUP_MODE_MAIN;
6152         DrawSetupScreen();
6153       }
6154     }
6155   }
6156 }
6157
6158 void CustomizeKeyboard(int player_nr)
6159 {
6160   int i;
6161   int step_nr;
6162   boolean finished = FALSE;
6163   static struct SetupKeyboardInfo custom_key;
6164   static struct
6165   {
6166     Key *key;
6167     char *text;
6168   } customize_step[] =
6169   {
6170     { &custom_key.left,  "Move Left"    },
6171     { &custom_key.right, "Move Right"   },
6172     { &custom_key.up,    "Move Up"      },
6173     { &custom_key.down,  "Move Down"    },
6174     { &custom_key.snap,  "Snap Field"   },
6175     { &custom_key.drop,  "Drop Element" }
6176   };
6177
6178   /* read existing key bindings from player setup */
6179   custom_key = setup.input[player_nr].key;
6180
6181   FadeSetEnterMenu();
6182   FadeOut(REDRAW_FIELD);
6183
6184   ClearField();
6185
6186   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6187
6188   step_nr = 0;
6189   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6190            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6191   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6192            "Key:", FONT_INPUT_1_ACTIVE);
6193   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6194            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6195
6196   FadeIn(REDRAW_FIELD);
6197
6198   InitAnimation();
6199
6200   while (!finished)
6201   {
6202     if (PendingEvent())         /* got event */
6203     {
6204       Event event;
6205
6206       NextEvent(&event);
6207
6208       switch (event.type)
6209       {
6210         case EVENT_KEYPRESS:
6211           {
6212             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6213
6214             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6215             {
6216               if (key == KSYM_Escape)
6217                 FadeSkipNextFadeIn();
6218
6219               finished = TRUE;
6220               break;
6221             }
6222
6223             /* all keys configured -- wait for "Escape" or "Return" key */
6224             if (step_nr == 6)
6225               break;
6226
6227             /* press 'Enter' to keep the existing key binding */
6228             if (key == KSYM_Return)
6229               key = *customize_step[step_nr].key;
6230
6231             /* check if key already used */
6232             for (i = 0; i < step_nr; i++)
6233               if (*customize_step[i].key == key)
6234                 break;
6235             if (i < step_nr)
6236               break;
6237
6238             /* got new key binding */
6239             *customize_step[step_nr].key = key;
6240             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6241                      "             ", FONT_VALUE_1);
6242             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6243                      getKeyNameFromKey(key), FONT_VALUE_1);
6244             step_nr++;
6245
6246             /* un-highlight last query */
6247             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6248                      customize_step[step_nr - 1].text, FONT_MENU_1);
6249             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6250                      "Key:", FONT_MENU_1);
6251
6252             /* press 'Enter' to leave */
6253             if (step_nr == 6)
6254             {
6255               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6256                        "Press Enter", FONT_TITLE_1);
6257               break;
6258             }
6259
6260             /* query next key binding */
6261             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6262                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6263             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6264                      "Key:", FONT_INPUT_1_ACTIVE);
6265             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6266                      getKeyNameFromKey(*customize_step[step_nr].key),
6267                      FONT_VALUE_OLD);
6268           }
6269           break;
6270
6271         case EVENT_KEYRELEASE:
6272           key_joystick_mapping = 0;
6273           break;
6274
6275         default:
6276           HandleOtherEvents(&event);
6277           break;
6278       }
6279     }
6280
6281     DoAnimation();
6282     BackToFront();
6283
6284     /* don't eat all CPU time */
6285     Delay(10);
6286   }
6287
6288   /* write new key bindings back to player setup */
6289   setup.input[player_nr].key = custom_key;
6290
6291   StopAnimation();
6292   DrawSetupScreen_Input();
6293 }
6294
6295 static boolean CalibrateJoystickMain(int player_nr)
6296 {
6297   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6298   int new_joystick_xright = JOYSTICK_XMIDDLE;
6299   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6300   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6301   int new_joystick_xmiddle, new_joystick_ymiddle;
6302
6303   int joystick_fd = joystick.fd[player_nr];
6304   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6305   boolean check[3][3];
6306   int check_remaining = 3 * 3;
6307   int joy_x, joy_y;
6308   int joy_value;
6309   int result = -1;
6310
6311   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6312     return FALSE;
6313
6314   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6315     return FALSE;
6316
6317   FadeSetEnterMenu();
6318   FadeOut(REDRAW_FIELD);
6319
6320   ClearField();
6321
6322   for (y = 0; y < 3; y++)
6323   {
6324     for (x = 0; x < 3; x++)
6325     {
6326       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6327       check[x][y] = FALSE;
6328     }
6329   }
6330
6331   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6332   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6333   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6334   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6335   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6336   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6337   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6338
6339   joy_value = Joystick(player_nr);
6340   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6341   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6342
6343   /* eventually uncalibrated center position (joystick could be uncentered) */
6344   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6345     return FALSE;
6346
6347   new_joystick_xmiddle = joy_x;
6348   new_joystick_ymiddle = joy_y;
6349
6350   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6351
6352   FadeIn(REDRAW_FIELD);
6353
6354   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6355   InitAnimation();
6356
6357   while (result < 0)
6358   {
6359     if (PendingEvent())         /* got event */
6360     {
6361       Event event;
6362
6363       NextEvent(&event);
6364
6365       switch (event.type)
6366       {
6367         case EVENT_KEYPRESS:
6368           switch (GetEventKey((KeyEvent *)&event, TRUE))
6369           {
6370             case KSYM_Return:
6371               if (check_remaining == 0)
6372                 result = 1;
6373               break;
6374
6375             case KSYM_Escape:
6376               FadeSkipNextFadeIn();
6377               result = 0;
6378               break;
6379
6380             default:
6381               break;
6382           }
6383           break;
6384
6385         case EVENT_KEYRELEASE:
6386           key_joystick_mapping = 0;
6387           break;
6388
6389         default:
6390           HandleOtherEvents(&event);
6391           break;
6392       }
6393     }
6394
6395     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6396       return FALSE;
6397
6398     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6399     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6400     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6401     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6402
6403     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6404     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6405     setup.input[player_nr].joy.xright = new_joystick_xright;
6406     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6407     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6408     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6409
6410     CheckJoystickData();
6411
6412     joy_value = Joystick(player_nr);
6413
6414     if (joy_value & JOY_BUTTON && check_remaining == 0)
6415       result = 1;
6416
6417     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6418     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6419
6420     if (x != last_x || y != last_y)
6421     {
6422       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6423                        IMG_MENU_CALIBRATE_YELLOW, 0);
6424       DrawFixedGraphic(xpos + x,      ypos + y,
6425                        IMG_MENU_CALIBRATE_RED,    0);
6426
6427       last_x = x;
6428       last_y = y;
6429
6430       if (check_remaining > 0 && !check[x+1][y+1])
6431       {
6432         check[x+1][y+1] = TRUE;
6433         check_remaining--;
6434       }
6435     }
6436
6437     DoAnimation();
6438     BackToFront();
6439
6440     /* don't eat all CPU time */
6441     Delay(10);
6442   }
6443
6444   /* calibrated center position (joystick should now be centered) */
6445   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6446     return FALSE;
6447
6448   new_joystick_xmiddle = joy_x;
6449   new_joystick_ymiddle = joy_y;
6450
6451   StopAnimation();
6452
6453   /* wait until the last pressed button was released */
6454   while (Joystick(player_nr) & JOY_BUTTON)
6455   {
6456     if (PendingEvent())         /* got event */
6457     {
6458       Event event;
6459
6460       NextEvent(&event);
6461       HandleOtherEvents(&event);
6462
6463       Delay(10);
6464     }
6465   }
6466
6467   return TRUE;
6468 }
6469
6470 void CalibrateJoystick(int player_nr)
6471 {
6472   if (!CalibrateJoystickMain(player_nr))
6473   {
6474     char *device_name = setup.input[player_nr].joy.device_name;
6475     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6476     int xpos = mSX - SX;
6477     int ypos = mSY - SY;
6478
6479     ClearField();
6480
6481     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6482     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6483     BackToFront();
6484
6485     Delay(2000);                /* show error message for a short time */
6486
6487     ClearEventQueue();
6488   }
6489
6490   DrawSetupScreen_Input();
6491 }
6492
6493 void DrawSetupScreen()
6494 {
6495   DeactivateJoystick();
6496
6497   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6498
6499   if (setup_mode == SETUP_MODE_INPUT)
6500     DrawSetupScreen_Input();
6501   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6502     DrawChooseTree(&game_speed_current);
6503   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6504     DrawChooseTree(&scroll_delay_current);
6505   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6506     DrawChooseTree(&snapshot_mode_current);
6507   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6508     DrawChooseTree(&screen_mode_current);
6509   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6510     DrawChooseTree(&window_size_current);
6511   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6512     DrawChooseTree(&scaling_type_current);
6513   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6514     DrawChooseTree(&artwork.gfx_current);
6515   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6516     DrawChooseTree(&artwork.snd_current);
6517   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6518     DrawChooseTree(&artwork.mus_current);
6519   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6520     DrawChooseTree(&volume_simple_current);
6521   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6522     DrawChooseTree(&volume_loops_current);
6523   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6524     DrawChooseTree(&volume_music_current);
6525   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6526     DrawChooseTree(&touch_control_current);
6527   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6528     DrawChooseTree(&move_distance_current);
6529   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6530     DrawChooseTree(&drop_distance_current);
6531   else
6532     DrawSetupScreen_Generic();
6533
6534   PlayMenuSound();
6535   PlayMenuMusic();
6536 }
6537
6538 void RedrawSetupScreenAfterFullscreenToggle()
6539 {
6540   if (setup_mode == SETUP_MODE_GRAPHICS ||
6541       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6542   {
6543     // update list selection from "setup.window_scaling_percent"
6544     execSetupGraphics_setWindowSizes(TRUE);
6545
6546     DrawSetupScreen();
6547   }
6548 }
6549
6550 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6551 {
6552   if (setup_mode == SETUP_MODE_INPUT)
6553     HandleSetupScreen_Input(mx, my, dx, dy, button);
6554   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6555     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6556   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6557     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6558   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6559     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6560   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6561     HandleChooseTree(mx, my, dx, dy, button, &screen_mode_current);
6562   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6563     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6564   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6565     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6566   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6567     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6568   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6569     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6570   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6571     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6572   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6573     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6574   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6575     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6576   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6577     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6578   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6579     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6580   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6581     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6582   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6583     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6584   else
6585     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6586 }
6587
6588 void HandleGameActions()
6589 {
6590   if (game_status != GAME_MODE_PLAYING)
6591     return;
6592
6593   GameActions();        /* main game loop */
6594
6595   if (tape.auto_play && !tape.playing)
6596     AutoPlayTape();     /* continue automatically playing next tape */
6597 }
6598
6599
6600 /* ---------- new screen button stuff -------------------------------------- */
6601
6602 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6603 {
6604   switch (gadget_id)
6605   {
6606     case SCREEN_CTRL_ID_PREV_LEVEL:
6607       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6608       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6609       break;
6610
6611     case SCREEN_CTRL_ID_NEXT_LEVEL:
6612       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6613       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6614       break;
6615
6616     case SCREEN_CTRL_ID_PREV_PLAYER:
6617       *x = mSX + TILEX * 10;
6618       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6619       break;
6620
6621     case SCREEN_CTRL_ID_NEXT_PLAYER:
6622       *x = mSX + TILEX * 12;
6623       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6624       break;
6625
6626     default:
6627       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6628   }
6629 }
6630
6631 static struct
6632 {
6633   int gfx_unpressed, gfx_pressed;
6634   void (*get_gadget_position)(int *, int *, int);
6635   int gadget_id;
6636   int screen_mask;
6637   char *infotext;
6638 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6639 {
6640   {
6641     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6642     getScreenMenuButtonPos,
6643     SCREEN_CTRL_ID_PREV_LEVEL,
6644     SCREEN_MASK_MAIN,
6645     "last level"
6646   },
6647   {
6648     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6649     getScreenMenuButtonPos,
6650     SCREEN_CTRL_ID_NEXT_LEVEL,
6651     SCREEN_MASK_MAIN,
6652     "next level"
6653   },
6654   {
6655     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6656     getScreenMenuButtonPos,
6657     SCREEN_CTRL_ID_PREV_PLAYER,
6658     SCREEN_MASK_INPUT,
6659     "last player"
6660   },
6661   {
6662     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6663     getScreenMenuButtonPos,
6664     SCREEN_CTRL_ID_NEXT_PLAYER,
6665     SCREEN_MASK_INPUT,
6666     "next player"
6667   },
6668 };
6669
6670 static struct
6671 {
6672   int gfx_unpressed, gfx_pressed;
6673   int x, y;
6674   int gadget_id;
6675   char *infotext;
6676 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6677 {
6678   {
6679     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6680     -1, -1,     /* these values are not constant, but can change at runtime */
6681     SCREEN_CTRL_ID_SCROLL_UP,
6682     "scroll up"
6683   },
6684   {
6685     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6686     -1, -1,     /* these values are not constant, but can change at runtime */
6687     SCREEN_CTRL_ID_SCROLL_DOWN,
6688     "scroll down"
6689   }
6690 };
6691
6692 static struct
6693 {
6694   int gfx_unpressed, gfx_pressed;
6695   int x, y;
6696   int width, height;
6697   int type;
6698   int gadget_id;
6699   char *infotext;
6700 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6701 {
6702   {
6703     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6704     -1, -1,     /* these values are not constant, but can change at runtime */
6705     -1, -1,     /* these values are not constant, but can change at runtime */
6706     GD_TYPE_SCROLLBAR_VERTICAL,
6707     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6708     "scroll level series vertically"
6709   }
6710 };
6711
6712 static void CreateScreenMenubuttons()
6713 {
6714   struct GadgetInfo *gi;
6715   unsigned int event_mask;
6716   int i;
6717
6718   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6719   {
6720     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6721     int gfx_unpressed, gfx_pressed;
6722     int x, y, width, height;
6723     int gd_x1, gd_x2, gd_y1, gd_y2;
6724     int id = menubutton_info[i].gadget_id;
6725
6726     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6727
6728     menubutton_info[i].get_gadget_position(&x, &y, id);
6729
6730     width = SC_MENUBUTTON_XSIZE;
6731     height = SC_MENUBUTTON_YSIZE;
6732
6733     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6734     gfx_pressed   = menubutton_info[i].gfx_pressed;
6735     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6736     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6737     gd_x1 = graphic_info[gfx_unpressed].src_x;
6738     gd_y1 = graphic_info[gfx_unpressed].src_y;
6739     gd_x2 = graphic_info[gfx_pressed].src_x;
6740     gd_y2 = graphic_info[gfx_pressed].src_y;
6741
6742     gi = CreateGadget(GDI_CUSTOM_ID, id,
6743                       GDI_CUSTOM_TYPE_ID, i,
6744                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6745                       GDI_X, x,
6746                       GDI_Y, y,
6747                       GDI_WIDTH, width,
6748                       GDI_HEIGHT, height,
6749                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6750                       GDI_STATE, GD_BUTTON_UNPRESSED,
6751                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6752                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6753                       GDI_DIRECT_DRAW, FALSE,
6754                       GDI_EVENT_MASK, event_mask,
6755                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6756                       GDI_END);
6757
6758     if (gi == NULL)
6759       Error(ERR_EXIT, "cannot create gadget");
6760
6761     screen_gadget[id] = gi;
6762   }
6763 }
6764
6765 static void CreateScreenScrollbuttons()
6766 {
6767   struct GadgetInfo *gi;
6768   unsigned int event_mask;
6769   int i;
6770
6771   /* these values are not constant, but can change at runtime */
6772   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6773   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6774   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6775   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6776
6777   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6778   {
6779     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6780     int gfx_unpressed, gfx_pressed;
6781     int x, y, width, height;
6782     int gd_x1, gd_x2, gd_y1, gd_y2;
6783     int id = scrollbutton_info[i].gadget_id;
6784
6785     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6786
6787     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6788     y = mSY + scrollbutton_info[i].y;
6789     width = SC_SCROLLBUTTON_XSIZE;
6790     height = SC_SCROLLBUTTON_YSIZE;
6791
6792     /* correct scrollbar position if placed outside menu (playfield) area */
6793     if (x > SX + SC_SCROLL_UP_XPOS)
6794       x = SX + SC_SCROLL_UP_XPOS;
6795
6796     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6797       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6798                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6799
6800     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6801     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6802     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6803     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6804     gd_x1 = graphic_info[gfx_unpressed].src_x;
6805     gd_y1 = graphic_info[gfx_unpressed].src_y;
6806     gd_x2 = graphic_info[gfx_pressed].src_x;
6807     gd_y2 = graphic_info[gfx_pressed].src_y;
6808
6809     gi = CreateGadget(GDI_CUSTOM_ID, id,
6810                       GDI_CUSTOM_TYPE_ID, i,
6811                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6812                       GDI_X, x,
6813                       GDI_Y, y,
6814                       GDI_WIDTH, width,
6815                       GDI_HEIGHT, height,
6816                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6817                       GDI_STATE, GD_BUTTON_UNPRESSED,
6818                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6819                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6820                       GDI_DIRECT_DRAW, FALSE,
6821                       GDI_EVENT_MASK, event_mask,
6822                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6823                       GDI_END);
6824
6825     if (gi == NULL)
6826       Error(ERR_EXIT, "cannot create gadget");
6827
6828     screen_gadget[id] = gi;
6829   }
6830 }
6831
6832 static void CreateScreenScrollbars()
6833 {
6834   int i;
6835
6836   /* these values are not constant, but can change at runtime */
6837   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6838   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6839   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6840   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6841
6842   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6843   {
6844     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6845     int gfx_unpressed, gfx_pressed;
6846     int x, y, width, height;
6847     int gd_x1, gd_x2, gd_y1, gd_y2;
6848     struct GadgetInfo *gi;
6849     int items_max, items_visible, item_position;
6850     unsigned int event_mask;
6851     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6852     int id = scrollbar_info[i].gadget_id;
6853
6854     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6855
6856     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6857     y = mSY + scrollbar_info[i].y;
6858     width  = scrollbar_info[i].width;
6859     height = scrollbar_info[i].height;
6860
6861     /* correct scrollbar position if placed outside menu (playfield) area */
6862     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6863       x = SX + SC_SCROLL_VERTICAL_XPOS;
6864
6865     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6866       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6867
6868     items_max = num_page_entries;
6869     items_visible = num_page_entries;
6870     item_position = 0;
6871
6872     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6873     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6874     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6875     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6876     gd_x1 = graphic_info[gfx_unpressed].src_x;
6877     gd_y1 = graphic_info[gfx_unpressed].src_y;
6878     gd_x2 = graphic_info[gfx_pressed].src_x;
6879     gd_y2 = graphic_info[gfx_pressed].src_y;
6880
6881     gi = CreateGadget(GDI_CUSTOM_ID, id,
6882                       GDI_CUSTOM_TYPE_ID, i,
6883                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6884                       GDI_X, x,
6885                       GDI_Y, y,
6886                       GDI_WIDTH, width,
6887                       GDI_HEIGHT, height,
6888                       GDI_TYPE, scrollbar_info[i].type,
6889                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6890                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6891                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6892                       GDI_WHEEL_AREA_X, SX,
6893                       GDI_WHEEL_AREA_Y, SY,
6894                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6895                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6896                       GDI_STATE, GD_BUTTON_UNPRESSED,
6897                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6898                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6899                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6900                       GDI_DIRECT_DRAW, FALSE,
6901                       GDI_EVENT_MASK, event_mask,
6902                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6903                       GDI_END);
6904
6905     if (gi == NULL)
6906       Error(ERR_EXIT, "cannot create gadget");
6907
6908     screen_gadget[id] = gi;
6909   }
6910 }
6911
6912 void CreateScreenGadgets()
6913 {
6914   int last_game_status = game_status;   /* save current game status */
6915
6916   CreateScreenMenubuttons();
6917
6918   CreateScreenScrollbuttons();
6919   CreateScreenScrollbars();
6920
6921   game_status = last_game_status;       /* restore current game status */
6922 }
6923
6924 void FreeScreenGadgets()
6925 {
6926   int i;
6927
6928   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6929     FreeGadget(screen_gadget[i]);
6930 }
6931
6932 void MapScreenMenuGadgets(int screen_mask)
6933 {
6934   int i;
6935
6936   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6937     if (screen_mask & menubutton_info[i].screen_mask)
6938       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6939 }
6940
6941 void MapScreenGadgets(int num_entries)
6942 {
6943   int i;
6944
6945   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6946     return;
6947
6948   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6949     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6950
6951   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6952     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6953 }
6954
6955 void MapScreenTreeGadgets(TreeInfo *ti)
6956 {
6957   MapScreenGadgets(numTreeInfoInGroup(ti));
6958 }
6959
6960 static void HandleScreenGadgets(struct GadgetInfo *gi)
6961 {
6962   int id = gi->custom_id;
6963   int button = gi->event.button;
6964   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6965
6966   switch (id)
6967   {
6968     case SCREEN_CTRL_ID_PREV_LEVEL:
6969       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6970       break;
6971
6972     case SCREEN_CTRL_ID_NEXT_LEVEL:
6973       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6974       break;
6975
6976     case SCREEN_CTRL_ID_PREV_PLAYER:
6977       HandleSetupScreen_Input_Player(step, -1);
6978       break;
6979
6980     case SCREEN_CTRL_ID_NEXT_PLAYER:
6981       HandleSetupScreen_Input_Player(step, +1);
6982       break;
6983
6984     case SCREEN_CTRL_ID_SCROLL_UP:
6985       if (game_status == GAME_MODE_LEVELS)
6986         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6987       else if (game_status == GAME_MODE_LEVELNR)
6988         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6989       else if (game_status == GAME_MODE_SETUP)
6990         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6991       else if (game_status == GAME_MODE_INFO)
6992         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6993       break;
6994
6995     case SCREEN_CTRL_ID_SCROLL_DOWN:
6996       if (game_status == GAME_MODE_LEVELS)
6997         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6998       else if (game_status == GAME_MODE_LEVELNR)
6999         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7000       else if (game_status == GAME_MODE_SETUP)
7001         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7002       else if (game_status == GAME_MODE_INFO)
7003         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7004       break;
7005
7006     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7007       if (game_status == GAME_MODE_LEVELS)
7008         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7009       else if (game_status == GAME_MODE_LEVELNR)
7010         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7011       else if (game_status == GAME_MODE_SETUP)
7012         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7013       else if (game_status == GAME_MODE_INFO)
7014         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7015       break;
7016
7017     default:
7018       break;
7019   }
7020 }