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_last_screen = GAME_MODE_MAIN;
1438     game_status = GAME_MODE_TITLE;
1439
1440     DrawTitleScreen();
1441
1442     return;
1443   }
1444
1445   /* level_nr may have been set to value over handicap with level editor */
1446   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1447     level_nr = leveldir_current->handicap_level;
1448
1449   LoadLevel(level_nr);
1450   LoadScore(level_nr);
1451
1452   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1453   SetDrawDeactivationMask(REDRAW_NONE);
1454   SetDrawBackgroundMask(REDRAW_FIELD);
1455
1456   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1457
1458 #if 0
1459   if (fade_mask == REDRAW_ALL)
1460     RedrawGlobalBorder();
1461 #endif
1462
1463   ClearField();
1464
1465   InitializeMainControls();
1466
1467   DrawCursorAndText_Main(-1, FALSE, FALSE);
1468   DrawPreviewLevelInitial();
1469
1470   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1471
1472   TapeStop();
1473   if (TAPE_IS_EMPTY(tape))
1474     LoadTape(level_nr);
1475   DrawCompleteVideoDisplay();
1476
1477   PlayMenuSound();
1478   PlayMenuMusic();
1479
1480   /* create gadgets for main menu screen */
1481   FreeScreenGadgets();
1482   CreateScreenGadgets();
1483
1484   /* map gadgets for main menu screen */
1485   MapTapeButtons();
1486   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1487
1488   /* copy actual game door content to door double buffer for OpenDoor() */
1489   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1490   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1491
1492   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1493
1494   DrawMaskedBorder(fade_mask);
1495
1496   FadeIn(fade_mask);
1497   FadeSetEnterMenu();
1498
1499   /* update screen area with special editor door */
1500   redraw_mask |= REDRAW_ALL;
1501   BackToFront();
1502
1503   SetMouseCursor(CURSOR_DEFAULT);
1504
1505   InitAnimation();
1506
1507   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1508 }
1509
1510 static void gotoTopLevelDir()
1511 {
1512   /* move upwards until inside (but not above) top level directory */
1513   while (leveldir_current->node_parent &&
1514          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1515   {
1516     /* write a "path" into level tree for easy navigation to last level */
1517     if (leveldir_current->node_parent->node_group->cl_first == -1)
1518     {
1519       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1520       int leveldir_pos = posTreeInfo(leveldir_current);
1521       int num_page_entries;
1522       int cl_first, cl_cursor;
1523
1524       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1525         num_page_entries = num_leveldirs;
1526       else
1527         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1528
1529       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1530       cl_cursor = leveldir_pos - cl_first;
1531
1532       leveldir_current->node_parent->node_group->cl_first = cl_first;
1533       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1534     }
1535
1536     leveldir_current = leveldir_current->node_parent;
1537   }
1538 }
1539
1540 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1541 {
1542   static unsigned int title_delay = 0;
1543   static int title_screen_nr = 0;
1544   static int last_sound = -1, last_music = -1;
1545   boolean return_to_main_menu = FALSE;
1546   struct TitleControlInfo *tci;
1547   struct TitleFadingInfo fading_default;
1548   struct TitleFadingInfo fading_last = fading;
1549   struct TitleFadingInfo fading_next;
1550   int sound, music;
1551
1552   if (button == MB_MENU_INITIALIZE)
1553   {
1554     title_delay = 0;
1555     title_screen_nr = 0;
1556     tci = &title_controls[title_screen_nr];
1557
1558     last_sound = SND_UNDEFINED;
1559     last_music = MUS_UNDEFINED;
1560
1561     if (game_status_last_screen == GAME_MODE_INFO)
1562     {
1563       if (num_title_screens == 0)
1564       {
1565         DrawInfoScreen_NotAvailable("Title screen information:",
1566                                     "No title screen for this level set.");
1567
1568         return;
1569       }
1570
1571       FadeSoundsAndMusic();
1572
1573       FadeOut(REDRAW_ALL);
1574
1575       /* only required to update logic for redrawing global border */
1576       ClearField();
1577     }
1578
1579     if (tci->is_image)
1580       DrawTitleScreenImage(tci->local_nr, tci->initial);
1581     else
1582       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1583
1584     fading_default = (tci->initial ? title_initial_default : title_default);
1585
1586     fading = fading_next = getTitleFading(tci);
1587
1588     if (!(fading_last.fade_mode & FADE_TYPE_TRANSFORM) &&
1589         fading_next.fade_mode & FADE_TYPE_TRANSFORM)
1590     {
1591       fading.fade_mode = FADE_MODE_FADE;
1592       fading.fade_delay = fading_default.fade_delay;
1593     }
1594
1595     sound = getTitleSound(tci);
1596     music = getTitleMusic(tci);
1597
1598     if (sound != last_sound)
1599       PlayMenuSoundExt(sound);
1600     if (music != last_music)
1601       PlayMenuMusicExt(music);
1602
1603     last_sound = sound;
1604     last_music = music;
1605
1606     SetMouseCursor(CURSOR_NONE);
1607
1608     FadeIn(REDRAW_ALL);
1609
1610     fading = fading_next;
1611
1612     DelayReached(&title_delay, 0);      /* reset delay counter */
1613
1614     return;
1615   }
1616
1617   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1618     button = MB_MENU_CHOICE;
1619
1620   if (button == MB_MENU_LEAVE)
1621   {
1622     return_to_main_menu = TRUE;
1623   }
1624   else if (button == MB_MENU_CHOICE)
1625   {
1626     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1627     {
1628       FadeSetEnterScreen();
1629
1630       game_status = GAME_MODE_INFO;
1631       info_mode = INFO_MODE_MAIN;
1632
1633       DrawInfoScreen();
1634
1635       return;
1636     }
1637
1638     title_screen_nr++;
1639     tci = &title_controls[title_screen_nr];
1640
1641     if (title_screen_nr < num_title_screens)
1642     {
1643       sound = getTitleSound(tci);
1644       music = getTitleMusic(tci);
1645
1646       if (sound == SND_UNDEFINED || sound != last_sound)
1647         FadeSounds();
1648       if (music == MUS_UNDEFINED || music != last_music)
1649         FadeMusic();
1650
1651       FadeOut(REDRAW_ALL);
1652
1653       if (tci->is_image)
1654         DrawTitleScreenImage(tci->local_nr, tci->initial);
1655       else
1656         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1657
1658       fading_next = getTitleFading(tci);
1659
1660       sound = getTitleSound(tci);
1661       music = getTitleMusic(tci);
1662
1663       if (sound != last_sound)
1664         PlayMenuSoundExt(sound);
1665       if (music != last_music)
1666         PlayMenuMusicExt(music);
1667
1668       last_sound = sound;
1669       last_music = music;
1670
1671       /* last screen already faded out, next screen has no animation */
1672       if (!(fading.fade_mode & FADE_TYPE_TRANSFORM) &&
1673           fading_next.fade_mode == FADE_MODE_NONE)
1674         fading = fading_next;
1675
1676       FadeIn(REDRAW_ALL);
1677
1678       fading = fading_next;
1679
1680       DelayReached(&title_delay, 0);    /* reset delay counter */
1681     }
1682     else
1683     {
1684       FadeSoundsAndMusic();
1685
1686       return_to_main_menu = TRUE;
1687     }
1688   }
1689
1690   if (return_to_main_menu)
1691   {
1692     SetMouseCursor(CURSOR_DEFAULT);
1693
1694     /* force full menu screen redraw after displaying title screens */
1695     redraw_mask = REDRAW_ALL;
1696
1697     if (game_status_last_screen == GAME_MODE_INFO)
1698     {
1699       game_status = GAME_MODE_INFO;
1700       info_mode = INFO_MODE_MAIN;
1701
1702       DrawInfoScreen();
1703     }
1704     else        /* default: return to main menu */
1705     {
1706       game_status = GAME_MODE_MAIN;
1707
1708       DrawMainMenu();
1709     }
1710   }
1711 }
1712
1713 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1714 {
1715   int old_level_nr = level_nr;
1716   int new_level_nr;
1717
1718   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1719     new_level_nr = selected_level_nr;
1720   else
1721     new_level_nr = old_level_nr + step * direction;
1722
1723   if (new_level_nr < leveldir_current->first_level)
1724     new_level_nr = leveldir_current->first_level;
1725   if (new_level_nr > leveldir_current->last_level)
1726     new_level_nr = leveldir_current->last_level;
1727
1728   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1729   {
1730     /* skipping levels is only allowed when trying to skip single level */
1731     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1732         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1733     {
1734       leveldir_current->handicap_level++;
1735       SaveLevelSetup_SeriesInfo();
1736     }
1737
1738     new_level_nr = leveldir_current->handicap_level;
1739   }
1740
1741   if (new_level_nr != old_level_nr)
1742   {
1743     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1744
1745     PlaySound(SND_MENU_ITEM_SELECTING);
1746
1747     level_nr = new_level_nr;
1748
1749     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1750              int2str(level_nr, menu.main.text.level_number.size),
1751              mci->pos_text->font);
1752
1753     LoadLevel(level_nr);
1754     DrawPreviewLevelInitial();
1755
1756     TapeErase();
1757     LoadTape(level_nr);
1758     DrawCompleteVideoDisplay();
1759
1760     /* needed because DrawPreviewLevelInitial() takes some time */
1761     BackToFront();
1762     /* SyncDisplay(); */
1763   }
1764 }
1765
1766 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1767 {
1768   static int choice = MAIN_CONTROL_GAME;
1769   static boolean button_pressed_last = FALSE;
1770   boolean button_pressed = FALSE;
1771   int pos = choice;
1772   int i;
1773
1774   if (button == MB_MENU_INITIALIZE)
1775   {
1776     DrawCursorAndText_Main(choice, TRUE, FALSE);
1777
1778     return;
1779   }
1780
1781   if (mx || my)         /* mouse input */
1782   {
1783     pos = -1;
1784
1785     for (i = 0; main_controls[i].nr != -1; i++)
1786     {
1787       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1788           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1789           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1790       {
1791         pos = main_controls[i].nr;
1792
1793         break;
1794       }
1795     }
1796
1797     // handle pressed/unpressed state for active/inactive menu buttons
1798     // (if pos != -1, "i" contains index position corresponding to "pos")
1799     if (button &&
1800         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1801         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1802       button_pressed = TRUE;
1803
1804     if (button_pressed != button_pressed_last)
1805     {
1806       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1807
1808       if (button_pressed)
1809         PlaySound(SND_MENU_BUTTON_PRESSING);
1810       else
1811         PlaySound(SND_MENU_BUTTON_RELEASING);
1812     }
1813   }
1814   else if (dx || dy)    /* keyboard input */
1815   {
1816     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1817                    choice == MAIN_CONTROL_SETUP))
1818       button = MB_MENU_CHOICE;
1819     else if (dy)
1820       pos = choice + dy;
1821   }
1822
1823   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1824   {
1825     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1826   }
1827   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1828   {
1829     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1830   }
1831   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1832   {
1833     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1834   }
1835   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1836   {
1837     StopAnimation();
1838
1839     CloseDoor(DOOR_CLOSE_2);
1840
1841     game_status = GAME_MODE_LEVELNR;
1842
1843     ChangeViewportPropertiesIfNeeded();
1844
1845     DrawChooseLevelNr();
1846   }
1847   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1848   {
1849     if (button)
1850     {
1851       if (pos != choice)
1852       {
1853         PlaySound(SND_MENU_ITEM_ACTIVATING);
1854
1855         DrawCursorAndText_Main(choice, FALSE, FALSE);
1856         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1857
1858         choice = pos;
1859       }
1860     }
1861     else
1862     {
1863       PlaySound(SND_MENU_ITEM_SELECTING);
1864
1865       if (pos == MAIN_CONTROL_NAME)
1866       {
1867         game_status = GAME_MODE_PSEUDO_TYPENAME;
1868
1869         HandleTypeName(strlen(setup.player_name), 0);
1870       }
1871       else if (pos == MAIN_CONTROL_LEVELS)
1872       {
1873         if (leveldir_first)
1874         {
1875           StopAnimation();
1876
1877           CloseDoor(DOOR_CLOSE_2);
1878
1879           game_status = GAME_MODE_LEVELS;
1880
1881           SaveLevelSetup_LastSeries();
1882           SaveLevelSetup_SeriesInfo();
1883
1884           if (setup.internal.choose_from_top_leveldir)
1885             gotoTopLevelDir();
1886
1887           ChangeViewportPropertiesIfNeeded();
1888
1889           DrawChooseLevelSet();
1890         }
1891       }
1892       else if (pos == MAIN_CONTROL_SCORES)
1893       {
1894         StopAnimation();
1895
1896         CloseDoor(DOOR_CLOSE_2);
1897
1898         game_status = GAME_MODE_SCORES;
1899
1900         DrawHallOfFame(-1);
1901       }
1902       else if (pos == MAIN_CONTROL_EDITOR)
1903       {
1904         if (leveldir_current->readonly &&
1905             !strEqual(setup.player_name, "Artsoft"))
1906           Request("This level is read only!", REQ_CONFIRM);
1907
1908         StopAnimation();
1909
1910         CloseDoor(DOOR_CLOSE_2);
1911
1912         game_status = GAME_MODE_EDITOR;
1913
1914         FadeSetEnterScreen();
1915
1916         DrawLevelEd();
1917       }
1918       else if (pos == MAIN_CONTROL_INFO)
1919       {
1920         StopAnimation();
1921
1922         CloseDoor(DOOR_CLOSE_2);
1923
1924         game_status = GAME_MODE_INFO;
1925         info_mode = INFO_MODE_MAIN;
1926
1927         ChangeViewportPropertiesIfNeeded();
1928
1929         DrawInfoScreen();
1930       }
1931       else if (pos == MAIN_CONTROL_GAME)
1932       {
1933         StopAnimation();
1934
1935         StartGameActions(options.network, setup.autorecord, level.random_seed);
1936       }
1937       else if (pos == MAIN_CONTROL_SETUP)
1938       {
1939         StopAnimation();
1940
1941         CloseDoor(DOOR_CLOSE_2);
1942
1943         game_status = GAME_MODE_SETUP;
1944         setup_mode = SETUP_MODE_MAIN;
1945
1946         ChangeViewportPropertiesIfNeeded();
1947
1948         DrawSetupScreen();
1949       }
1950       else if (pos == MAIN_CONTROL_QUIT)
1951       {
1952         SaveLevelSetup_LastSeries();
1953         SaveLevelSetup_SeriesInfo();
1954
1955         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1956           game_status = GAME_MODE_QUIT;
1957       }
1958     }
1959   }
1960
1961   button_pressed_last = button_pressed;
1962 }
1963
1964
1965 /* ========================================================================= */
1966 /* info screen functions                                                     */
1967 /* ========================================================================= */
1968
1969 static struct TokenInfo *info_info;
1970 static int num_info_info;       /* number of info entries shown on screen */
1971 static int max_info_info;       /* total number of info entries in list */
1972
1973 static void execInfoTitleScreen()
1974 {
1975   info_mode = INFO_MODE_TITLE;
1976
1977   DrawInfoScreen();
1978 }
1979
1980 static void execInfoElements()
1981 {
1982   info_mode = INFO_MODE_ELEMENTS;
1983
1984   DrawInfoScreen();
1985 }
1986
1987 static void execInfoMusic()
1988 {
1989   info_mode = INFO_MODE_MUSIC;
1990
1991   DrawInfoScreen();
1992 }
1993
1994 static void execInfoCredits()
1995 {
1996   info_mode = INFO_MODE_CREDITS;
1997
1998   DrawInfoScreen();
1999 }
2000
2001 static void execInfoProgram()
2002 {
2003   info_mode = INFO_MODE_PROGRAM;
2004
2005   DrawInfoScreen();
2006 }
2007
2008 static void execInfoVersion()
2009 {
2010   info_mode = INFO_MODE_VERSION;
2011
2012   DrawInfoScreen();
2013 }
2014
2015 static void execInfoLevelSet()
2016 {
2017   info_mode = INFO_MODE_LEVELSET;
2018
2019   DrawInfoScreen();
2020 }
2021
2022 static void execExitInfo()
2023 {
2024   game_status = GAME_MODE_MAIN;
2025
2026   DrawMainMenu();
2027 }
2028
2029 static struct TokenInfo info_info_main[] =
2030 {
2031   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2032   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2033   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2034   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2035   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2036   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2037   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2038   { TYPE_EMPTY,         NULL,                   ""                      },
2039   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2040
2041   { 0,                  NULL,                   NULL                    }
2042 };
2043
2044 static int getMenuTextFont(int type)
2045 {
2046   if (type & (TYPE_SWITCH       |
2047               TYPE_YES_NO       |
2048               TYPE_YES_NO_AUTO  |
2049               TYPE_STRING       |
2050               TYPE_ECS_AGA      |
2051               TYPE_KEYTEXT      |
2052               TYPE_ENTER_LIST))
2053     return FONT_MENU_2;
2054   else
2055     return FONT_MENU_1;
2056 }
2057
2058 static struct TokenInfo *setup_info;
2059 static struct TokenInfo setup_info_input[];
2060
2061 static struct TokenInfo *menu_info;
2062
2063 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2064                                        int screen_pos, int menu_info_pos_raw,
2065                                        boolean active)
2066 {
2067   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2068   struct TokenInfo *ti = &token_info[pos];
2069   int xpos = MENU_SCREEN_START_XPOS;
2070   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2071   int font_nr = getMenuTextFont(ti->type);
2072
2073   if (token_info == setup_info_input)
2074     font_nr = FONT_MENU_1;
2075
2076   if (active)
2077     font_nr = FONT_ACTIVE(font_nr);
2078
2079   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2080
2081   if (ti->type & ~TYPE_SKIP_ENTRY)
2082     drawCursor(screen_pos, active);
2083 }
2084
2085 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2086                                    boolean active)
2087 {
2088   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2089 }
2090
2091 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2092                                     boolean active)
2093 {
2094   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2095 }
2096
2097 static char *screen_mode_text;
2098 static char *window_size_text;
2099 static char *scaling_type_text;
2100
2101 static void drawSetupValue(int, int);
2102
2103 static void drawMenuInfoList(int first_entry, int num_page_entries,
2104                              int max_page_entries)
2105 {
2106   int i;
2107
2108   if (first_entry + num_page_entries > max_page_entries)
2109     first_entry = 0;
2110
2111   clearMenuListArea();
2112
2113   for (i = 0; i < num_page_entries; i++)
2114   {
2115     int menu_info_pos = first_entry + i;
2116     struct TokenInfo *si = &menu_info[menu_info_pos];
2117     void *value_ptr = si->value;
2118
2119     /* set some entries to "unchangeable" according to other variables */
2120     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2121         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2122         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2123         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2124         (value_ptr == &screen_mode_text   && !video.fullscreen_available) ||
2125         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2126         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2127       si->type |= TYPE_GHOSTED;
2128
2129     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2130       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2131     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2132       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2133     else if (si->type & ~TYPE_SKIP_ENTRY)
2134       initCursor(i, IMG_MENU_BUTTON);
2135
2136     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2137
2138     if (si->type & TYPE_VALUE &&
2139         menu_info == setup_info)
2140       drawSetupValue(i, menu_info_pos);
2141   }
2142 }
2143
2144 static void DrawInfoScreen_Main()
2145 {
2146   int fade_mask = REDRAW_FIELD;
2147   int i;
2148
2149   if (redraw_mask & REDRAW_ALL)
2150     fade_mask = REDRAW_ALL;
2151
2152   if (CheckIfGlobalBorderHasChanged())
2153     fade_mask = REDRAW_ALL;
2154
2155   UnmapAllGadgets();
2156
2157   FreeScreenGadgets();
2158   CreateScreenGadgets();
2159
2160   CloseDoor(DOOR_CLOSE_2);
2161
2162   /* (needed after displaying title screens which disable auto repeat) */
2163   KeyboardAutoRepeatOn();
2164
2165   FadeSetLeaveScreen();
2166
2167   FadeOut(fade_mask);
2168
2169   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2170
2171   ClearField();
2172
2173   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2174
2175   info_info = info_info_main;
2176
2177   // determine maximal number of info entries that can be displayed on screen
2178   num_info_info = 0;
2179   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2180     num_info_info++;
2181
2182   // determine maximal number of info entries available for menu of info screen
2183   max_info_info = 0;
2184   for (i = 0; info_info[i].type != 0; i++)
2185     max_info_info++;
2186
2187   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2188
2189   MapScreenGadgets(max_info_info);
2190
2191   PlayMenuSound();
2192   PlayMenuMusic();
2193
2194   DrawMaskedBorder(fade_mask);
2195
2196   FadeIn(fade_mask);
2197
2198   InitAnimation();
2199 }
2200
2201 static void changeSetupValue(int, int, int);
2202
2203 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2204                       int mode, int num_page_entries, int max_page_entries)
2205 {
2206   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2207   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2208   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2209   int *num_page_entries_last = num_page_entries_all_last[game_status];
2210   int *choice_store = choice_stores[game_status];
2211   int *first_entry_store = first_entry_stores[game_status];
2212   int choice = choice_store[mode];              /* starts with 0 */
2213   int first_entry = first_entry_store[mode];    /* starts with 0 */
2214   int x = 0;
2215   int y = choice - first_entry;
2216   int y_old = y;
2217   boolean position_set_by_scrollbar = (dx == 999);
2218   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2219   int i;
2220
2221   if (button == MB_MENU_INITIALIZE)
2222   {
2223     // check if number of menu page entries has changed (may happen by change
2224     // of custom artwork definition value for 'list_size' for this menu screen)
2225     // (in this case, the last menu position most probably has to be corrected)
2226     if (num_page_entries != num_page_entries_last[mode])
2227     {
2228       choice_store[mode] = first_entry_store[mode] = 0;
2229
2230       choice = first_entry = 0;
2231       y = y_old = 0;
2232
2233       num_page_entries_last[mode] = num_page_entries;
2234     }
2235
2236     /* advance to first valid menu entry */
2237     while (choice < num_page_entries &&
2238            menu_info[choice].type & TYPE_SKIP_ENTRY)
2239       choice++;
2240
2241     if (position_set_by_scrollbar)
2242       first_entry = first_entry_store[mode] = dy;
2243     else
2244       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2245                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2246
2247     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2248
2249     if (choice < first_entry)
2250     {
2251       choice = first_entry;
2252
2253       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2254         choice++;
2255     }
2256     else if (choice > first_entry + num_page_entries - 1)
2257     {
2258       choice = first_entry + num_page_entries - 1;
2259
2260       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2261         choice--;
2262     }
2263
2264     choice_store[mode] = choice;
2265
2266     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2267
2268     return;
2269   }
2270   else if (button == MB_MENU_LEAVE)
2271   {
2272     PlaySound(SND_MENU_ITEM_SELECTING);
2273
2274     for (i = 0; i < max_page_entries; i++)
2275     {
2276       if (menu_info[i].type & TYPE_LEAVE_MENU)
2277       {
2278         void (*menu_callback_function)(void) = menu_info[i].value;
2279
2280         FadeSetLeaveMenu();
2281
2282         menu_callback_function();
2283
2284         break;  /* absolutely needed because function changes 'menu_info'! */
2285       }
2286     }
2287
2288     return;
2289   }
2290
2291   if (mx || my)         /* mouse input */
2292   {
2293     x = (mx - mSX) / 32;
2294     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2295   }
2296   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2297   {
2298     /* move cursor instead of scrolling when already at start/end of list */
2299     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2300       dy = -1;
2301     else if (dy == +1 * SCROLL_LINE &&
2302              first_entry + num_page_entries == max_page_entries)
2303       dy = 1;
2304
2305     /* handle scrolling screen one line or page */
2306     if (y + dy < 0 ||
2307         y + dy > num_page_entries - 1)
2308     {
2309       boolean redraw = FALSE;
2310
2311       if (ABS(dy) == SCROLL_PAGE)
2312         step = num_page_entries - 1;
2313
2314       if (dy < 0 && first_entry > 0)
2315       {
2316         /* scroll page/line up */
2317
2318         first_entry -= step;
2319         if (first_entry < 0)
2320           first_entry = 0;
2321
2322         redraw = TRUE;
2323       }
2324       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2325       {
2326         /* scroll page/line down */
2327
2328         first_entry += step;
2329         if (first_entry + num_page_entries > max_page_entries)
2330           first_entry = MAX(0, max_page_entries - num_page_entries);
2331
2332         redraw = TRUE;
2333       }
2334
2335       if (redraw)
2336       {
2337         choice += first_entry - first_entry_store[mode];
2338
2339         if (choice < first_entry)
2340         {
2341           choice = first_entry;
2342
2343           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2344             choice++;
2345         }
2346         else if (choice > first_entry + num_page_entries - 1)
2347         {
2348           choice = first_entry + num_page_entries - 1;
2349
2350           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2351             choice--;
2352         }
2353         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2354         {
2355           choice += SIGN(dy);
2356
2357           if (choice < first_entry ||
2358               choice > first_entry + num_page_entries - 1)
2359           first_entry += SIGN(dy);
2360         }
2361
2362         first_entry_store[mode] = first_entry;
2363         choice_store[mode] = choice;
2364
2365         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2366
2367         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2368
2369         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2370                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2371       }
2372
2373       return;
2374     }
2375
2376     if (dx)
2377     {
2378       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2379
2380       if (menu_info[choice].type & menu_navigation_type ||
2381           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2382           menu_info[choice].type & TYPE_YES_NO_AUTO)
2383         button = MB_MENU_CHOICE;
2384     }
2385     else if (dy)
2386       y += dy;
2387
2388     /* jump to next non-empty menu entry (up or down) */
2389     while (first_entry + y > 0 &&
2390            first_entry + y < max_page_entries - 1 &&
2391            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2392       y += dy;
2393
2394     if (!IN_VIS_MENU(x, y))
2395     {
2396       choice += y - y_old;
2397
2398       if (choice < first_entry)
2399         first_entry = choice;
2400       else if (choice > first_entry + num_page_entries - 1)
2401         first_entry = choice - num_page_entries + 1;
2402
2403       if (first_entry >= 0 &&
2404           first_entry + num_page_entries <= max_page_entries)
2405       {
2406         first_entry_store[mode] = first_entry;
2407
2408         if (choice < first_entry)
2409           choice = first_entry;
2410         else if (choice > first_entry + num_page_entries - 1)
2411           choice = first_entry + num_page_entries - 1;
2412
2413         choice_store[mode] = choice;
2414
2415         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2416
2417         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2418
2419         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2420                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2421       }
2422
2423       return;
2424     }
2425   }
2426
2427   if (!anyScrollbarGadgetActive() &&
2428       IN_VIS_MENU(x, y) &&
2429       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2430       y >= 0 && y < num_page_entries)
2431   {
2432     if (button)
2433     {
2434       if (first_entry + y != choice &&
2435           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2436       {
2437         PlaySound(SND_MENU_ITEM_ACTIVATING);
2438
2439         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2440         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2441
2442         choice = choice_store[mode] = first_entry + y;
2443       }
2444     }
2445     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2446     {
2447       PlaySound(SND_MENU_ITEM_SELECTING);
2448
2449       /* when selecting key headline, execute function for key value change */
2450       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2451           menu_info[first_entry + y + 1].type & TYPE_KEY)
2452         y++;
2453
2454       /* when selecting string value, execute function for list selection */
2455       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2456           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2457         y--;
2458
2459       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2460       {
2461         void (*menu_callback_function)(void) =
2462           menu_info[first_entry + y].value;
2463
2464         FadeSetFromType(menu_info[first_entry + y].type);
2465
2466         menu_callback_function();
2467       }
2468       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2469                menu_info == setup_info)
2470       {
2471         changeSetupValue(y, first_entry + y, dx);
2472       }
2473     }
2474   }
2475 }
2476
2477 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2478 {
2479   menu_info = info_info;
2480
2481   HandleMenuScreen(mx, my, dx, dy, button,
2482                    info_mode, num_info_info, max_info_info);
2483 }
2484
2485 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2486 {
2487   int ystart1 = mSY - SY + 100;
2488   int ystart2 = mSY - SY + 150;
2489   int ybottom = mSY - SY + SYSIZE - 20;
2490
2491   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2492
2493   FadeOut(REDRAW_FIELD);
2494
2495   ClearField();
2496   DrawHeadline();
2497
2498   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2499   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2500
2501   DrawTextSCentered(ybottom, FONT_TEXT_4,
2502                     "Press any key or button for info menu");
2503
2504   FadeIn(REDRAW_FIELD);
2505 }
2506
2507 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2508 {
2509   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2510   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2511   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2512   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2513   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2514   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2515   int ystep = MENU_SCREEN_INFO_YSTEP;
2516   int element, action, direction;
2517   int graphic;
2518   int delay;
2519   int sync_frame;
2520   int i, j;
2521
2522   if (init)
2523   {
2524     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2525       infoscreen_step[i] = infoscreen_frame[i] = 0;
2526
2527     ClearField();
2528     DrawHeadline();
2529
2530     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2531
2532     DrawTextSCentered(ybottom, FONT_TEXT_4,
2533                       "Press any key or button for next page");
2534
2535     FrameCounter = 0;
2536   }
2537
2538   i = j = 0;
2539   while (helpanim_info[j].element != HELPANIM_LIST_END)
2540   {
2541     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2542         i >= max_anims)
2543       break;
2544     else if (i < start)
2545     {
2546       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2547         j++;
2548
2549       j++;
2550       i++;
2551
2552       continue;
2553     }
2554
2555     j += infoscreen_step[i - start];
2556
2557     element = helpanim_info[j].element;
2558     action = helpanim_info[j].action;
2559     direction = helpanim_info[j].direction;
2560
2561     if (element < 0)
2562       element = EL_UNKNOWN;
2563
2564     if (action != -1 && direction != -1)
2565       graphic = el_act_dir2img(element, action, direction);
2566     else if (action != -1)
2567       graphic = el_act2img(element, action);
2568     else if (direction != -1)
2569       graphic = el_dir2img(element, direction);
2570     else
2571       graphic = el2img(element);
2572
2573     delay = helpanim_info[j++].delay;
2574
2575     if (delay == -1)
2576       delay = 1000000;
2577
2578     if (infoscreen_frame[i - start] == 0)
2579     {
2580       sync_frame = 0;
2581       infoscreen_frame[i - start] = delay - 1;
2582     }
2583     else
2584     {
2585       sync_frame = delay - infoscreen_frame[i - start];
2586       infoscreen_frame[i - start]--;
2587     }
2588
2589     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2590     {
2591       if (!infoscreen_frame[i - start])
2592         infoscreen_step[i - start] = 0;
2593     }
2594     else
2595     {
2596       if (!infoscreen_frame[i - start])
2597         infoscreen_step[i - start]++;
2598       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2599         j++;
2600     }
2601
2602     j++;
2603
2604     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2605                                TILEX, TILEY);
2606     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2607                                  graphic, sync_frame, USE_MASKING);
2608
2609     if (init)
2610       DrawInfoScreen_HelpText(element, action, direction, i - start);
2611
2612     i++;
2613   }
2614
2615   redraw_mask |= REDRAW_FIELD;
2616
2617   FrameCounter++;
2618 }
2619
2620 static char *getHelpText(int element, int action, int direction)
2621 {
2622   char token[MAX_LINE_LEN];
2623
2624   strcpy(token, element_info[element].token_name);
2625
2626   if (action != -1)
2627     strcat(token, element_action_info[action].suffix);
2628
2629   if (direction != -1)
2630     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2631
2632   return getHashEntry(helptext_info, token);
2633 }
2634
2635 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2636 {
2637   int font_nr = FONT_INFO_ELEMENTS;
2638   int font_width = getFontWidth(font_nr);
2639   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2640   int sy = mSY + 65 + 2 * 32 + 1;
2641   int ystep = TILEY + 4;
2642   int pad_x = sx - SX;
2643   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2644   int max_lines_per_text = 2;
2645   char *text = NULL;
2646
2647   if (action != -1 && direction != -1)          /* element.action.direction */
2648     text = getHelpText(element, action, direction);
2649
2650   if (text == NULL && action != -1)             /* element.action */
2651     text = getHelpText(element, action, -1);
2652
2653   if (text == NULL && direction != -1)          /* element.direction */
2654     text = getHelpText(element, -1, direction);
2655
2656   if (text == NULL)                             /* base element */
2657     text = getHelpText(element, -1, -1);
2658
2659   if (text == NULL)                             /* not found */
2660     text = "No description available";
2661
2662   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2663     sy += getFontHeight(font_nr) / 2;
2664
2665   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2666                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2667                  TRUE, FALSE, FALSE);
2668 }
2669
2670 void DrawInfoScreen_TitleScreen()
2671 {
2672   game_status_last_screen = GAME_MODE_INFO;
2673   game_status = GAME_MODE_TITLE;
2674
2675   DrawTitleScreen();
2676 }
2677
2678 void HandleInfoScreen_TitleScreen(int button)
2679 {
2680   HandleTitleScreen(0, 0, 0, 0, button);
2681 }
2682
2683 void DrawInfoScreen_Elements()
2684 {
2685   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2686
2687   FadeOut(REDRAW_FIELD);
2688
2689   LoadHelpAnimInfo();
2690   LoadHelpTextInfo();
2691
2692   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2693
2694   FadeIn(REDRAW_FIELD);
2695
2696   InitAnimation();
2697 }
2698
2699 void HandleInfoScreen_Elements(int button)
2700 {
2701   static unsigned int info_delay = 0;
2702   static int num_anims;
2703   static int num_pages;
2704   static int page;
2705   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2706   int i;
2707
2708   if (button == MB_MENU_INITIALIZE)
2709   {
2710     boolean new_element = TRUE;
2711
2712     num_anims = 0;
2713
2714     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2715     {
2716       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2717         new_element = TRUE;
2718       else if (new_element)
2719       {
2720         num_anims++;
2721         new_element = FALSE;
2722       }
2723     }
2724
2725     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2726     page = 0;
2727   }
2728
2729   if (button == MB_MENU_LEAVE)
2730   {
2731     PlaySound(SND_MENU_ITEM_SELECTING);
2732
2733     info_mode = INFO_MODE_MAIN;
2734     DrawInfoScreen();
2735
2736     return;
2737   }
2738   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2739   {
2740     if (button != MB_MENU_INITIALIZE)
2741     {
2742       PlaySound(SND_MENU_ITEM_SELECTING);
2743
2744       page++;
2745     }
2746
2747     if (page >= num_pages)
2748     {
2749       FadeSoundsAndMusic();
2750
2751       info_mode = INFO_MODE_MAIN;
2752       DrawInfoScreen();
2753
2754       return;
2755     }
2756
2757     if (page > 0)
2758       FadeSetNextScreen();
2759
2760     if (button != MB_MENU_INITIALIZE)
2761       FadeOut(REDRAW_FIELD);
2762
2763     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2764
2765     if (button != MB_MENU_INITIALIZE)
2766       FadeIn(REDRAW_FIELD);
2767   }
2768   else
2769   {
2770     if (DelayReached(&info_delay, GameFrameDelay))
2771       if (page < num_pages)
2772         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2773
2774     PlayMenuSoundIfLoop();
2775   }
2776 }
2777
2778 void DrawInfoScreen_Music()
2779 {
2780   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2781
2782   FadeOut(REDRAW_FIELD);
2783
2784   ClearField();
2785   DrawHeadline();
2786
2787   LoadMusicInfo();
2788
2789   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2790
2791   FadeIn(REDRAW_FIELD);
2792 }
2793
2794 void HandleInfoScreen_Music(int button)
2795 {
2796   static struct MusicFileInfo *list = NULL;
2797   int ystart1 = mSY - SY + 100;
2798   int ystart2 = mSY - SY + 150;
2799   int ybottom = mSY - SY + SYSIZE - 20;
2800   int dy = 30;
2801
2802   if (button == MB_MENU_INITIALIZE)
2803   {
2804     list = music_file_info;
2805
2806     if (list == NULL)
2807     {
2808       FadeSoundsAndMusic();
2809
2810       ClearField();
2811       DrawHeadline();
2812
2813       DrawTextSCentered(ystart1, FONT_TEXT_1,
2814                         "No music info for this level set.");
2815
2816       DrawTextSCentered(ybottom, FONT_TEXT_4,
2817                         "Press any key or button for info menu");
2818
2819       return;
2820     }
2821   }
2822
2823   if (button == MB_MENU_LEAVE)
2824   {
2825     PlaySound(SND_MENU_ITEM_SELECTING);
2826
2827     FadeSoundsAndMusic();
2828
2829     info_mode = INFO_MODE_MAIN;
2830     DrawInfoScreen();
2831
2832     return;
2833   }
2834   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2835   {
2836     int y = 0;
2837
2838     if (button != MB_MENU_INITIALIZE)
2839     {
2840       PlaySound(SND_MENU_ITEM_SELECTING);
2841
2842       if (list != NULL)
2843         list = list->next;
2844     }
2845
2846     if (list == NULL)
2847     {
2848       FadeSoundsAndMusic();
2849
2850       info_mode = INFO_MODE_MAIN;
2851       DrawInfoScreen();
2852
2853       return;
2854     }
2855
2856     FadeSoundsAndMusic();
2857
2858     if (list != music_file_info)
2859       FadeSetNextScreen();
2860
2861     if (button != MB_MENU_INITIALIZE)
2862       FadeOut(REDRAW_FIELD);
2863
2864     ClearField();
2865     DrawHeadline();
2866
2867     if (list->is_sound)
2868     {
2869       int sound = list->music;
2870
2871       if (sound_info[sound].loop)
2872         PlaySoundLoop(sound);
2873       else
2874         PlaySound(sound);
2875
2876       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2877     }
2878     else
2879     {
2880       PlayMusic(list->music);
2881
2882       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2883     }
2884
2885     if (!strEqual(list->title, UNKNOWN_NAME))
2886     {
2887       if (!strEqual(list->title_header, UNKNOWN_NAME))
2888         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2889
2890       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2891     }
2892
2893     if (!strEqual(list->artist, UNKNOWN_NAME))
2894     {
2895       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2896         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2897       else
2898         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2899
2900       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2901     }
2902
2903     if (!strEqual(list->album, UNKNOWN_NAME))
2904     {
2905       if (!strEqual(list->album_header, UNKNOWN_NAME))
2906         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2907       else
2908         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2909
2910       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2911     }
2912
2913     if (!strEqual(list->year, UNKNOWN_NAME))
2914     {
2915       if (!strEqual(list->year_header, UNKNOWN_NAME))
2916         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2917       else
2918         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2919
2920       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2921     }
2922
2923     DrawTextSCentered(ybottom, FONT_TEXT_4,
2924                       "Press any key or button for next page");
2925
2926     if (button != MB_MENU_INITIALIZE)
2927       FadeIn(REDRAW_FIELD);
2928   }
2929
2930   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2931     PlaySoundLoop(list->music);
2932 }
2933
2934 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2935 {
2936   int ystart1 = mSY - SY + 100;
2937   int ystart2 = mSY - SY + 150;
2938   int ybottom = mSY - SY + SYSIZE - 20;
2939   int ystep = 30;
2940
2941   ClearField();
2942   DrawHeadline();
2943
2944   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2945
2946   if (screen_nr == 0)
2947   {
2948     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2949                       "Special thanks to");
2950     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2951                       "Peter Liepa");
2952     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2953                       "for creating");
2954     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2955                       "\"Boulder Dash\"");
2956     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2957                       "in the year");
2958     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2959                       "1984");
2960     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2961                       "published by");
2962     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2963                       "First Star Software");
2964   }
2965   else if (screen_nr == 1)
2966   {
2967     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2968                       "Special thanks to");
2969     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2970                       "Klaus Heinz & Volker Wertich");
2971     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2972                       "for creating");
2973     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2974                       "\"Emerald Mine\"");
2975     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2976                       "in the year");
2977     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2978                       "1987");
2979     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2980                       "published by");
2981     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2982                       "Kingsoft");
2983   }
2984   else if (screen_nr == 2)
2985   {
2986     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2987                       "Special thanks to");
2988     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2989                       "Michael Stopp & Philip Jespersen");
2990     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2991                       "for creating");
2992     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2993                       "\"Supaplex\"");
2994     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2995                       "in the year");
2996     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2997                       "1991");
2998     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2999                       "published by");
3000     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3001                       "Digital Integration");
3002   }
3003   else if (screen_nr == 3)
3004   {
3005     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3006                       "Special thanks to");
3007     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3008                       "Hiroyuki Imabayashi");
3009     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3010                       "for creating");
3011     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3012                       "\"Sokoban\"");
3013     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3014                       "in the year");
3015     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3016                       "1982");
3017     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3018                       "published by");
3019     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3020                       "Thinking Rabbit");
3021   }
3022   else if (screen_nr == 4)
3023   {
3024     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3025                       "Special thanks to");
3026     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3027                       "Alan Bond");
3028     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3029                       "and");
3030     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3031                       "J\xfcrgen Bonhagen");
3032     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3033                       "for the continuous creation");
3034     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3035                       "of outstanding level sets");
3036   }
3037   else if (screen_nr == 5)
3038   {
3039     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3040                       "Thanks to");
3041     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3042                       "Peter Elzner");
3043     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3044                       "for ideas and inspiration by");
3045     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3046                       "Diamond Caves");
3047
3048     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3049                       "Thanks to");
3050     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3051                       "Steffest");
3052     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3053                       "for ideas and inspiration by");
3054     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3055                       "DX-Boulderdash");
3056   }
3057   else if (screen_nr == 6)
3058   {
3059     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3060                       "Thanks to");
3061     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3062                       "David Tritscher");
3063 #if 1
3064     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3065                       "for the code base used for the");
3066     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3067                       "native Emerald Mine engine");
3068 #else
3069     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3070                       "for the new Emerald Mine engine");
3071 #endif
3072   }
3073   else if (screen_nr == 7)
3074   {
3075     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3076                       "Thanks to");
3077     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3078                       "Guido Schulz");
3079     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3080                       "for the initial DOS port");
3081
3082     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3083                       "Thanks to");
3084     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3085                       "Karl H\xf6rnell");
3086     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3087                       "for some additional toons");
3088   }
3089   else if (screen_nr == 8)
3090   {
3091     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3092                       "And not to forget:");
3093     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3094                       "Many thanks to");
3095     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3096                       "All those who contributed");
3097     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3098                       "levels to this game");
3099     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3100                       "since 1995");
3101   }
3102
3103   DrawTextSCentered(ybottom, FONT_TEXT_4,
3104                     "Press any key or button for next page");
3105 }
3106
3107 void DrawInfoScreen_Credits()
3108 {
3109   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3110
3111   FadeSoundsAndMusic();
3112
3113   FadeOut(REDRAW_FIELD);
3114
3115   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3116
3117   FadeIn(REDRAW_FIELD);
3118 }
3119
3120 void HandleInfoScreen_Credits(int button)
3121 {
3122   static int screen_nr = 0;
3123   int num_screens = 9;
3124
3125   if (button == MB_MENU_INITIALIZE)
3126   {
3127     screen_nr = 0;
3128
3129     // DrawInfoScreen_CreditsScreen(screen_nr);
3130   }
3131
3132   if (button == MB_MENU_LEAVE)
3133   {
3134     PlaySound(SND_MENU_ITEM_SELECTING);
3135
3136     info_mode = INFO_MODE_MAIN;
3137     DrawInfoScreen();
3138
3139     return;
3140   }
3141   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3142   {
3143     if (button != MB_MENU_INITIALIZE)
3144     {
3145       PlaySound(SND_MENU_ITEM_SELECTING);
3146
3147       screen_nr++;
3148     }
3149
3150     if (screen_nr >= num_screens)
3151     {
3152       FadeSoundsAndMusic();
3153
3154       info_mode = INFO_MODE_MAIN;
3155       DrawInfoScreen();
3156
3157       return;
3158     }
3159
3160     if (screen_nr > 0)
3161       FadeSetNextScreen();
3162
3163     if (button != MB_MENU_INITIALIZE)
3164       FadeOut(REDRAW_FIELD);
3165
3166     DrawInfoScreen_CreditsScreen(screen_nr);
3167
3168     if (button != MB_MENU_INITIALIZE)
3169       FadeIn(REDRAW_FIELD);
3170   }
3171   else
3172   {
3173     PlayMenuSoundIfLoop();
3174   }
3175 }
3176
3177 void DrawInfoScreen_Program()
3178 {
3179   int ystart1 = mSY - SY + 100;
3180   int ystart2 = mSY - SY + 150;
3181   int ybottom = mSY - SY + SYSIZE - 20;
3182   int ystep = 30;
3183
3184   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3185
3186   FadeOut(REDRAW_FIELD);
3187
3188   ClearField();
3189   DrawHeadline();
3190
3191   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3192
3193   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3194                     "This game is Freeware!");
3195   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3196                     "If you like it, send e-mail to:");
3197   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3198                     setup.internal.program_email);
3199   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3200                     "More information and levels:");
3201   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3202                     setup.internal.program_website);
3203   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3204                     "If you have created new levels,");
3205   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3206                     "send them to me to include them!");
3207   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3208                     ":-)");
3209
3210   DrawTextSCentered(ybottom, FONT_TEXT_4,
3211                     "Press any key or button for info menu");
3212
3213   FadeIn(REDRAW_FIELD);
3214 }
3215
3216 void HandleInfoScreen_Program(int button)
3217 {
3218   if (button == MB_MENU_LEAVE)
3219   {
3220     PlaySound(SND_MENU_ITEM_SELECTING);
3221
3222     info_mode = INFO_MODE_MAIN;
3223     DrawInfoScreen();
3224
3225     return;
3226   }
3227   else if (button == MB_MENU_CHOICE)
3228   {
3229     PlaySound(SND_MENU_ITEM_SELECTING);
3230
3231     FadeSoundsAndMusic();
3232
3233     info_mode = INFO_MODE_MAIN;
3234     DrawInfoScreen();
3235   }
3236   else
3237   {
3238     PlayMenuSoundIfLoop();
3239   }
3240 }
3241
3242 void DrawInfoScreen_Version()
3243 {
3244   int font_header = FONT_TEXT_3;
3245   int font_text = FONT_TEXT_2;
3246   int xstep = getFontWidth(font_text);
3247   int ystep = getFontHeight(font_text);
3248   int ystart1 = mSY - SY + 100;
3249   int ystart2 = mSY - SY + 150;
3250   int ybottom = mSY - SY + SYSIZE - 20;
3251   int xstart1 = mSX - SX + 2 * xstep;
3252   int xstart2 = mSX - SX + 18 * xstep;
3253   int xstart3 = mSX - SX + 28 * xstep;
3254   SDL_version sdl_version_compiled;
3255   const SDL_version *sdl_version_linked;
3256   int driver_name_len = 10;
3257 #if defined(TARGET_SDL2)
3258   SDL_version sdl_version_linked_ext;
3259   const char *driver_name = NULL;
3260 #else
3261   char driver_name[driver_name_len];
3262 #endif
3263
3264   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3265
3266   FadeOut(REDRAW_FIELD);
3267
3268   ClearField();
3269   DrawHeadline();
3270
3271   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3272
3273   DrawTextF(xstart1, ystart2, font_header, "Name");
3274   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3275
3276   ystart2 += ystep;
3277   DrawTextF(xstart1, ystart2, font_header, "Version");
3278   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3279
3280   ystart2 += ystep;
3281   DrawTextF(xstart1, ystart2, font_header, "Platform");
3282   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3283
3284   ystart2 += ystep;
3285   DrawTextF(xstart1, ystart2, font_header, "Target");
3286   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3287
3288   ystart2 += ystep;
3289   DrawTextF(xstart1, ystart2, font_header, "Compile time");
3290   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
3291
3292   ystart2 += 3 * ystep;
3293   DrawTextF(xstart1, ystart2, font_header, "Library");
3294   DrawTextF(xstart2, ystart2, font_header, "compiled");
3295   DrawTextF(xstart3, ystart2, font_header, "linked");
3296
3297   SDL_VERSION(&sdl_version_compiled);
3298 #if defined(TARGET_SDL2)
3299   SDL_GetVersion(&sdl_version_linked_ext);
3300   sdl_version_linked = &sdl_version_linked_ext;
3301 #else
3302   sdl_version_linked = SDL_Linked_Version();
3303 #endif
3304
3305   ystart2 += 2 * ystep;
3306   DrawTextF(xstart1, ystart2, font_text, "SDL");
3307   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3308             sdl_version_compiled.major,
3309             sdl_version_compiled.minor,
3310             sdl_version_compiled.patch);
3311   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3312             sdl_version_linked->major,
3313             sdl_version_linked->minor,
3314             sdl_version_linked->patch);
3315
3316   SDL_IMAGE_VERSION(&sdl_version_compiled);
3317   sdl_version_linked = IMG_Linked_Version();
3318
3319   ystart2 += ystep;
3320   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3321   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3322             sdl_version_compiled.major,
3323             sdl_version_compiled.minor,
3324             sdl_version_compiled.patch);
3325   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3326             sdl_version_linked->major,
3327             sdl_version_linked->minor,
3328             sdl_version_linked->patch);
3329
3330   SDL_MIXER_VERSION(&sdl_version_compiled);
3331   sdl_version_linked = Mix_Linked_Version();
3332
3333   ystart2 += ystep;
3334   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3335   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3336             sdl_version_compiled.major,
3337             sdl_version_compiled.minor,
3338             sdl_version_compiled.patch);
3339   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3340             sdl_version_linked->major,
3341             sdl_version_linked->minor,
3342             sdl_version_linked->patch);
3343
3344   SDL_NET_VERSION(&sdl_version_compiled);
3345   sdl_version_linked = SDLNet_Linked_Version();
3346
3347   ystart2 += ystep;
3348   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3349   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3350             sdl_version_compiled.major,
3351             sdl_version_compiled.minor,
3352             sdl_version_compiled.patch);
3353   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3354             sdl_version_linked->major,
3355             sdl_version_linked->minor,
3356             sdl_version_linked->patch);
3357
3358   ystart2 += 3 * ystep;
3359   DrawTextF(xstart1, ystart2, font_header, "Driver");
3360   DrawTextF(xstart2, ystart2, font_header, "Requested");
3361   DrawTextF(xstart3, ystart2, font_header, "Used");
3362
3363 #if defined(TARGET_SDL2)
3364   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3365 #else
3366   SDL_VideoDriverName(driver_name, driver_name_len);
3367 #endif
3368
3369   ystart2 += 2 * ystep;
3370   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3371   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3372   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3373
3374 #if defined(TARGET_SDL2)
3375   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3376 #else
3377   SDL_AudioDriverName(driver_name, driver_name_len);
3378 #endif
3379
3380   ystart2 += ystep;
3381   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3382   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3383   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3384
3385   DrawTextSCentered(ybottom, FONT_TEXT_4,
3386                     "Press any key or button for info menu");
3387
3388   FadeIn(REDRAW_FIELD);
3389 }
3390
3391 void HandleInfoScreen_Version(int button)
3392 {
3393   if (button == MB_MENU_LEAVE)
3394   {
3395     PlaySound(SND_MENU_ITEM_SELECTING);
3396
3397     info_mode = INFO_MODE_MAIN;
3398     DrawInfoScreen();
3399
3400     return;
3401   }
3402   else if (button == MB_MENU_CHOICE)
3403   {
3404     PlaySound(SND_MENU_ITEM_SELECTING);
3405
3406     FadeSoundsAndMusic();
3407
3408     info_mode = INFO_MODE_MAIN;
3409     DrawInfoScreen();
3410   }
3411   else
3412   {
3413     PlayMenuSoundIfLoop();
3414   }
3415 }
3416
3417 void DrawInfoScreen_LevelSet()
3418 {
3419   struct TitleMessageInfo *tmi = &readme;
3420   char *filename = getLevelSetInfoFilename();
3421   char *title = "Level Set Information:";
3422   int ystart1 = mSY - SY + 100;
3423   int ybottom = mSY - SY + SYSIZE - 20;
3424
3425   if (filename == NULL)
3426   {
3427     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3428
3429     return;
3430   }
3431
3432   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3433
3434   FadeOut(REDRAW_FIELD);
3435
3436   ClearField();
3437   DrawHeadline();
3438
3439   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3440
3441   /* if x position set to "-1", automatically determine by playfield width */
3442   if (tmi->x == -1)
3443     tmi->x = SXSIZE / 2;
3444
3445   /* if y position set to "-1", use static default value */
3446   if (tmi->y == -1)
3447     tmi->y = 150;
3448
3449   /* if width set to "-1", automatically determine by playfield width */
3450   if (tmi->width == -1)
3451     tmi->width = SXSIZE - 2 * TILEX;
3452
3453   /* if height set to "-1", automatically determine by playfield height */
3454   if (tmi->height == -1)
3455     tmi->height = SYSIZE - 20 - tmi->y - 10;
3456
3457   /* if chars set to "-1", automatically determine by text and font width */
3458   if (tmi->chars == -1)
3459     tmi->chars = tmi->width / getFontWidth(tmi->font);
3460   else
3461     tmi->width = tmi->chars * getFontWidth(tmi->font);
3462
3463   /* if lines set to "-1", automatically determine by text and font height */
3464   if (tmi->lines == -1)
3465     tmi->lines = tmi->height / getFontHeight(tmi->font);
3466   else
3467     tmi->height = tmi->lines * getFontHeight(tmi->font);
3468
3469   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3470                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3471                tmi->autowrap, tmi->centered, tmi->parse_comments);
3472
3473   DrawTextSCentered(ybottom, FONT_TEXT_4,
3474                     "Press any key or button for info menu");
3475
3476   FadeIn(REDRAW_FIELD);
3477 }
3478
3479 void HandleInfoScreen_LevelSet(int button)
3480 {
3481   if (button == MB_MENU_LEAVE)
3482   {
3483     PlaySound(SND_MENU_ITEM_SELECTING);
3484
3485     info_mode = INFO_MODE_MAIN;
3486     DrawInfoScreen();
3487
3488     return;
3489   }
3490   else if (button == MB_MENU_CHOICE)
3491   {
3492     PlaySound(SND_MENU_ITEM_SELECTING);
3493
3494     FadeSoundsAndMusic();
3495
3496     info_mode = INFO_MODE_MAIN;
3497     DrawInfoScreen();
3498   }
3499   else
3500   {
3501     PlayMenuSoundIfLoop();
3502   }
3503 }
3504
3505 static void DrawInfoScreen()
3506 {
3507   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3508
3509   if (info_mode == INFO_MODE_TITLE)
3510     DrawInfoScreen_TitleScreen();
3511   else if (info_mode == INFO_MODE_ELEMENTS)
3512     DrawInfoScreen_Elements();
3513   else if (info_mode == INFO_MODE_MUSIC)
3514     DrawInfoScreen_Music();
3515   else if (info_mode == INFO_MODE_CREDITS)
3516     DrawInfoScreen_Credits();
3517   else if (info_mode == INFO_MODE_PROGRAM)
3518     DrawInfoScreen_Program();
3519   else if (info_mode == INFO_MODE_VERSION)
3520     DrawInfoScreen_Version();
3521   else if (info_mode == INFO_MODE_LEVELSET)
3522     DrawInfoScreen_LevelSet();
3523   else
3524     DrawInfoScreen_Main();
3525
3526   if (info_mode != INFO_MODE_MAIN &&
3527       info_mode != INFO_MODE_TITLE &&
3528       info_mode != INFO_MODE_MUSIC)
3529   {
3530     PlayMenuSound();
3531     PlayMenuMusic();
3532   }
3533 }
3534
3535 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3536 {
3537   if (info_mode == INFO_MODE_TITLE)
3538     HandleInfoScreen_TitleScreen(button);
3539   else if (info_mode == INFO_MODE_ELEMENTS)
3540     HandleInfoScreen_Elements(button);
3541   else if (info_mode == INFO_MODE_MUSIC)
3542     HandleInfoScreen_Music(button);
3543   else if (info_mode == INFO_MODE_CREDITS)
3544     HandleInfoScreen_Credits(button);
3545   else if (info_mode == INFO_MODE_PROGRAM)
3546     HandleInfoScreen_Program(button);
3547   else if (info_mode == INFO_MODE_VERSION)
3548     HandleInfoScreen_Version(button);
3549   else if (info_mode == INFO_MODE_LEVELSET)
3550     HandleInfoScreen_LevelSet(button);
3551   else
3552     HandleInfoScreen_Main(mx, my, dx, dy, button);
3553 }
3554
3555
3556 /* ========================================================================= */
3557 /* type name functions                                                       */
3558 /* ========================================================================= */
3559
3560 void HandleTypeName(int newxpos, Key key)
3561 {
3562   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3563   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3564   struct TextPosInfo *pos = mci->pos_input;
3565   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3566   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3567   static int xpos = 0;
3568   int font_nr = pos->font;
3569   int font_active_nr = FONT_ACTIVE(font_nr);
3570   int font_width = getFontWidth(font_active_nr);
3571   char key_char = getValidConfigValueChar(getCharFromKey(key));
3572   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3573   boolean is_active = TRUE;
3574
3575   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3576
3577   if (newxpos)
3578   {
3579     strcpy(last_player_name, setup.player_name);
3580
3581     xpos = newxpos;
3582
3583 #if defined(TARGET_SDL2)
3584     SDL_StartTextInput();
3585 #endif
3586   }
3587   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3588   {
3589     setup.player_name[xpos] = key_char;
3590     setup.player_name[xpos + 1] = 0;
3591
3592     xpos++;
3593   }
3594   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3595   {
3596     xpos--;
3597
3598     setup.player_name[xpos] = 0;
3599   }
3600   else if (key == KSYM_Return && xpos > 0)
3601   {
3602     SaveSetup();
3603
3604     is_active = FALSE;
3605
3606     game_status = GAME_MODE_MAIN;
3607   }
3608   else if (key == KSYM_Escape)
3609   {
3610     strcpy(setup.player_name, last_player_name);
3611
3612     is_active = FALSE;
3613
3614     game_status = GAME_MODE_MAIN;
3615   }
3616
3617   if (is_active)
3618   {
3619     pos->width = (strlen(setup.player_name) + 1) * font_width;
3620     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3621
3622     DrawText(startx, starty, setup.player_name, font_active_nr);
3623     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3624   }
3625   else
3626   {
3627     pos->width = strlen(setup.player_name) * font_width;
3628     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3629
3630     DrawText(startx, starty, setup.player_name, font_nr);
3631
3632 #if defined(TARGET_SDL2)
3633     SDL_StopTextInput();
3634 #endif
3635   }
3636 }
3637
3638
3639 /* ========================================================================= */
3640 /* tree menu functions                                                       */
3641 /* ========================================================================= */
3642
3643 static void DrawChooseTree(TreeInfo **ti_ptr)
3644 {
3645   int fade_mask = REDRAW_FIELD;
3646
3647   if (CheckIfGlobalBorderHasChanged())
3648     fade_mask = REDRAW_ALL;
3649
3650   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3651   {
3652     game_status = GAME_MODE_MAIN;
3653
3654     DrawMainMenu();
3655
3656     return;
3657   }
3658
3659   UnmapAllGadgets();
3660
3661   FreeScreenGadgets();
3662   CreateScreenGadgets();
3663
3664   CloseDoor(DOOR_CLOSE_2);
3665
3666   FadeOut(fade_mask);
3667
3668   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3669
3670   ClearField();
3671
3672   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3673   MapScreenTreeGadgets(*ti_ptr);
3674
3675   DrawMaskedBorder(fade_mask);
3676
3677   FadeIn(fade_mask);
3678
3679   InitAnimation();
3680 }
3681
3682 static void drawChooseTreeList(int first_entry, int num_page_entries,
3683                                TreeInfo *ti)
3684 {
3685   int i;
3686   char *title_string = NULL;
3687   int yoffset_sets = MENU_TITLE1_YPOS;
3688   int yoffset_setup = 16;
3689   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3690                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3691   int last_game_status = game_status;   /* save current game status */
3692
3693   title_string = ti->infotext;
3694
3695   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3696
3697   clearMenuListArea();
3698
3699   for (i = 0; i < num_page_entries; i++)
3700   {
3701     TreeInfo *node, *node_first;
3702     int entry_pos = first_entry + i;
3703     int xpos = MENU_SCREEN_START_XPOS;
3704     int ypos = MENU_SCREEN_START_YPOS + i;
3705     int startx = mSX + xpos * 32;
3706     int starty = mSY + ypos * 32;
3707     int font_nr = FONT_TEXT_1;
3708     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3709     int startx_text = startx + font_xoffset;
3710     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3711     int text_size = startx_scrollbar - startx_text;
3712     int max_buffer_len = text_size / getFontWidth(font_nr);
3713     char buffer[max_buffer_len + 1];
3714
3715     node_first = getTreeInfoFirstGroupEntry(ti);
3716     node = getTreeInfoFromPos(node_first, entry_pos);
3717
3718     strncpy(buffer, node->name, max_buffer_len);
3719     buffer[max_buffer_len] = '\0';
3720
3721     DrawText(startx, starty, buffer, font_nr + node->color);
3722
3723     if (node->parent_link)
3724       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3725     else if (node->level_group)
3726       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3727     else
3728       initCursor(i, IMG_MENU_BUTTON);
3729   }
3730
3731   game_status = last_game_status;       /* restore current game status */
3732
3733   redraw_mask |= REDRAW_FIELD;
3734 }
3735
3736 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3737 {
3738   TreeInfo *node, *node_first;
3739   int x, last_redraw_mask = redraw_mask;
3740   int ypos = MENU_TITLE2_YPOS;
3741   int font_nr = FONT_TITLE_2;
3742
3743   if (ti->type == TREE_TYPE_LEVEL_NR)
3744     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3745
3746   if (ti->type != TREE_TYPE_LEVEL_DIR)
3747     return;
3748
3749   node_first = getTreeInfoFirstGroupEntry(ti);
3750   node = getTreeInfoFromPos(node_first, entry_pos);
3751
3752   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3753
3754   if (node->parent_link)
3755     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3756                       node->node_parent->name);
3757   else if (node->level_group)
3758     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3759                       node->name);
3760   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3761     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3762                       node->levels, (node->levels > 1 ? "levels" : "level"),
3763                       node->class_desc);
3764
3765   /* let BackToFront() redraw only what is needed */
3766   redraw_mask = last_redraw_mask;
3767   for (x = 0; x < SCR_FIELDX; x++)
3768     MarkTileDirty(x, 1);
3769 }
3770
3771 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3772                              TreeInfo **ti_ptr)
3773 {
3774   TreeInfo *ti = *ti_ptr;
3775   int x = 0;
3776   int y = ti->cl_cursor;
3777   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3778   int num_entries = numTreeInfoInGroup(ti);
3779   int num_page_entries;
3780   int last_game_status = game_status;   /* save current game status */
3781   boolean position_set_by_scrollbar = (dx == 999);
3782
3783   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3784     num_page_entries = num_entries;
3785   else
3786     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3787
3788   game_status = last_game_status;       /* restore current game status */
3789
3790   if (button == MB_MENU_INITIALIZE)
3791   {
3792     int num_entries = numTreeInfoInGroup(ti);
3793     int entry_pos = posTreeInfo(ti);
3794
3795     if (ti->cl_first == -1)
3796     {
3797       /* only on initialization */
3798       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3799       ti->cl_cursor = entry_pos - ti->cl_first;
3800     }
3801     else if (ti->cl_cursor >= num_page_entries ||
3802              (num_entries > num_page_entries &&
3803               num_entries - ti->cl_first < num_page_entries))
3804     {
3805       /* only after change of list size (by custom graphic configuration) */
3806       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3807       ti->cl_cursor = entry_pos - ti->cl_first;
3808     }
3809
3810     if (position_set_by_scrollbar)
3811       ti->cl_first = dy;
3812     else
3813       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3814                                 ti->cl_first, ti);
3815
3816     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3817     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3818     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3819
3820     return;
3821   }
3822   else if (button == MB_MENU_LEAVE)
3823   {
3824     FadeSetLeaveMenu();
3825
3826     PlaySound(SND_MENU_ITEM_SELECTING);
3827
3828     if (ti->node_parent)
3829     {
3830       *ti_ptr = ti->node_parent;
3831       DrawChooseTree(ti_ptr);
3832     }
3833     else if (game_status == GAME_MODE_SETUP)
3834     {
3835       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3836           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3837           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3838         execSetupGame();
3839       else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
3840                setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3841                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
3842         execSetupGraphics();
3843       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3844                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3845                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3846         execSetupSound();
3847       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3848                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3849                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3850         execSetupTouch();
3851       else
3852         execSetupArtwork();
3853     }
3854     else
3855     {
3856       if (game_status == GAME_MODE_LEVELNR)
3857       {
3858         int new_level_nr = atoi(level_number_current->identifier);
3859
3860         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3861       }
3862
3863       game_status = GAME_MODE_MAIN;
3864
3865       DrawMainMenu();
3866     }
3867
3868     return;
3869   }
3870
3871   if (mx || my)         /* mouse input */
3872   {
3873     int last_game_status = game_status; /* save current game status */
3874
3875     x = (mx - mSX) / 32;
3876     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3877
3878     game_status = last_game_status;     /* restore current game status */
3879   }
3880   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3881   {
3882     /* move cursor instead of scrolling when already at start/end of list */
3883     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3884       dy = -1;
3885     else if (dy == +1 * SCROLL_LINE &&
3886              ti->cl_first + num_page_entries == num_entries)
3887       dy = 1;
3888
3889     /* handle scrolling screen one line or page */
3890     if (ti->cl_cursor + dy < 0 ||
3891         ti->cl_cursor + dy > num_page_entries - 1)
3892     {
3893       boolean redraw = FALSE;
3894
3895       if (ABS(dy) == SCROLL_PAGE)
3896         step = num_page_entries - 1;
3897
3898       if (dy < 0 && ti->cl_first > 0)
3899       {
3900         /* scroll page/line up */
3901
3902         ti->cl_first -= step;
3903         if (ti->cl_first < 0)
3904           ti->cl_first = 0;
3905
3906         redraw = TRUE;
3907       }
3908       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3909       {
3910         /* scroll page/line down */
3911
3912         ti->cl_first += step;
3913         if (ti->cl_first + num_page_entries > num_entries)
3914           ti->cl_first = MAX(0, num_entries - num_page_entries);
3915
3916         redraw = TRUE;
3917       }
3918
3919       if (redraw)
3920       {
3921         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3922         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3923         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3924
3925         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3926                                   ti->cl_first, ti);
3927       }
3928
3929       return;
3930     }
3931
3932     /* handle moving cursor one line */
3933     y = ti->cl_cursor + dy;
3934   }
3935
3936   if (dx == 1)
3937   {
3938     TreeInfo *node_first, *node_cursor;
3939     int entry_pos = ti->cl_first + y;
3940
3941     node_first = getTreeInfoFirstGroupEntry(ti);
3942     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3943
3944     if (node_cursor->node_group)
3945     {
3946       FadeSetEnterMenu();
3947
3948       PlaySound(SND_MENU_ITEM_SELECTING);
3949
3950       node_cursor->cl_first = ti->cl_first;
3951       node_cursor->cl_cursor = ti->cl_cursor;
3952       *ti_ptr = node_cursor->node_group;
3953       DrawChooseTree(ti_ptr);
3954
3955       return;
3956     }
3957   }
3958   else if (dx == -1 && ti->node_parent)
3959   {
3960     FadeSetLeaveMenu();
3961
3962     PlaySound(SND_MENU_ITEM_SELECTING);
3963
3964     *ti_ptr = ti->node_parent;
3965     DrawChooseTree(ti_ptr);
3966
3967     return;
3968   }
3969
3970   if (!anyScrollbarGadgetActive() &&
3971       IN_VIS_MENU(x, y) &&
3972       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3973       y >= 0 && y < num_page_entries)
3974   {
3975     if (button)
3976     {
3977       if (y != ti->cl_cursor)
3978       {
3979         PlaySound(SND_MENU_ITEM_ACTIVATING);
3980
3981         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3982         drawChooseTreeCursor(y, TRUE);
3983         drawChooseTreeInfo(ti->cl_first + y, ti);
3984
3985         ti->cl_cursor = y;
3986       }
3987     }
3988     else
3989     {
3990       TreeInfo *node_first, *node_cursor;
3991       int entry_pos = ti->cl_first + y;
3992
3993       PlaySound(SND_MENU_ITEM_SELECTING);
3994
3995       node_first = getTreeInfoFirstGroupEntry(ti);
3996       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3997
3998       if (node_cursor->node_group)
3999       {
4000         FadeSetEnterMenu();
4001
4002         node_cursor->cl_first = ti->cl_first;
4003         node_cursor->cl_cursor = ti->cl_cursor;
4004         *ti_ptr = node_cursor->node_group;
4005         DrawChooseTree(ti_ptr);
4006       }
4007       else if (node_cursor->parent_link)
4008       {
4009         FadeSetLeaveMenu();
4010
4011         *ti_ptr = node_cursor->node_parent;
4012         DrawChooseTree(ti_ptr);
4013       }
4014       else
4015       {
4016         FadeSetEnterMenu();
4017
4018         node_cursor->cl_first = ti->cl_first;
4019         node_cursor->cl_cursor = ti->cl_cursor;
4020         *ti_ptr = node_cursor;
4021
4022         if (ti->type == TREE_TYPE_LEVEL_DIR)
4023         {
4024           LoadLevelSetup_SeriesInfo();
4025
4026           SaveLevelSetup_LastSeries();
4027           SaveLevelSetup_SeriesInfo();
4028           TapeErase();
4029         }
4030
4031         if (game_status == GAME_MODE_SETUP)
4032         {
4033           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4034               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4035               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4036             execSetupGame();
4037           else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
4038                    setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4039                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
4040             execSetupGraphics();
4041           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4042                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4043                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4044             execSetupSound();
4045           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4046                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4047                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4048             execSetupTouch();
4049           else
4050             execSetupArtwork();
4051         }
4052         else
4053         {
4054           if (game_status == GAME_MODE_LEVELNR)
4055           {
4056             int new_level_nr = atoi(level_number_current->identifier);
4057
4058             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4059           }
4060
4061           game_status = GAME_MODE_MAIN;
4062
4063           DrawMainMenu();
4064         }
4065       }
4066     }
4067   }
4068 }
4069
4070 void DrawChooseLevelSet()
4071 {
4072   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4073
4074   DrawChooseTree(&leveldir_current);
4075
4076   PlayMenuSound();
4077   PlayMenuMusic();
4078 }
4079
4080 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4081 {
4082   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4083 }
4084
4085 void DrawChooseLevelNr()
4086 {
4087   int i;
4088
4089   if (level_number != NULL)
4090   {
4091     freeTreeInfo(level_number);
4092
4093     level_number = NULL;
4094   }
4095
4096   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4097   {
4098     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4099     char identifier[32], name[32];
4100     int value = i;
4101
4102     /* temporarily load level info to get level name */
4103     LoadLevelInfoOnly(i);
4104
4105     ti->node_top = &level_number;
4106     ti->sort_priority = 10000 + value;
4107     ti->color = (level.no_valid_file ? FC_BLUE :
4108                  LevelStats_getSolved(i) ? FC_GREEN :
4109                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4110
4111     sprintf(identifier, "%d", value);
4112     sprintf(name, "%03d: %s", value,
4113             (level.no_valid_file ? "(no file)" : level.name));
4114
4115     setString(&ti->identifier, identifier);
4116     setString(&ti->name, name);
4117     setString(&ti->name_sorting, name);
4118
4119     pushTreeInfo(&level_number, ti);
4120   }
4121
4122   /* sort level number values to start with lowest level number */
4123   sortTreeInfo(&level_number);
4124
4125   /* set current level number to current level number */
4126   level_number_current =
4127     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4128
4129   /* if that also fails, set current level number to first available level */
4130   if (level_number_current == NULL)
4131     level_number_current = level_number;
4132
4133   SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4134
4135   DrawChooseTree(&level_number_current);
4136
4137   PlayMenuSound();
4138   PlayMenuMusic();
4139 }
4140
4141 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4142 {
4143   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4144 }
4145
4146 void DrawHallOfFame(int highlight_position)
4147 {
4148   int fade_mask = REDRAW_FIELD;
4149
4150   /* required before door position may be changed in next step */
4151   CloseDoor(DOOR_CLOSE_ALL);
4152
4153   /* needed if different viewport properties defined for scores */
4154   ChangeViewportPropertiesIfNeeded();
4155
4156   if (CheckIfGlobalBorderHasChanged())
4157     fade_mask = REDRAW_ALL;
4158
4159   UnmapAllGadgets();
4160   FadeSoundsAndMusic();
4161
4162   /* (this is needed when called from GameEnd() after winning a game) */
4163   KeyboardAutoRepeatOn();
4164   ActivateJoystick();
4165
4166   /* (this is needed when called from GameEnd() after winning a game) */
4167   SetDrawDeactivationMask(REDRAW_NONE);
4168   SetDrawBackgroundMask(REDRAW_FIELD);
4169
4170   if (highlight_position < 0)
4171     LoadScore(level_nr);
4172
4173   FadeSetEnterScreen();
4174
4175   FadeOut(fade_mask);
4176
4177   InitAnimation();
4178
4179   PlayMenuSound();
4180   PlayMenuMusic();
4181
4182   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4183
4184   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4185
4186   DrawMaskedBorder(fade_mask);
4187
4188   FadeIn(fade_mask);
4189 }
4190
4191 static void drawHallOfFameList(int first_entry, int highlight_position)
4192 {
4193   int i, j;
4194
4195   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4196   ClearField();
4197
4198   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4199   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4200                     "HighScores of Level %d", level_nr);
4201
4202   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4203   {
4204     int entry = first_entry + i;
4205     boolean active = (entry == highlight_position);
4206     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4207     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4208     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4209     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4210     int dx1 = 3 * getFontWidth(font_nr1);
4211     int dx2 = dx1 + getFontWidth(font_nr1);
4212     int dx3 = SXSIZE - 2 * (mSX - SX) - 5 * getFontWidth(font_nr4);
4213     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4214     int sy = mSY + 64 + i * 32;
4215
4216     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4217     DrawText(mSX + dx1, sy, ".", font_nr1);
4218
4219     for (j = 0; j < num_dots; j++)
4220       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4221
4222     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4223       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4224
4225     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4226   }
4227
4228   redraw_mask |= REDRAW_FIELD;
4229 }
4230
4231 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4232 {
4233   static int first_entry = 0;
4234   static int highlight_position = 0;
4235   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4236
4237   if (button == MB_MENU_INITIALIZE)
4238   {
4239     first_entry = 0;
4240     highlight_position = mx;
4241     drawHallOfFameList(first_entry, highlight_position);
4242
4243     return;
4244   }
4245
4246   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4247     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4248
4249   if (dy < 0)
4250   {
4251     if (first_entry > 0)
4252     {
4253       first_entry -= step;
4254       if (first_entry < 0)
4255         first_entry = 0;
4256
4257       drawHallOfFameList(first_entry, highlight_position);
4258     }
4259   }
4260   else if (dy > 0)
4261   {
4262     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4263     {
4264       first_entry += step;
4265       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4266         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4267
4268       drawHallOfFameList(first_entry, highlight_position);
4269     }
4270   }
4271   else if (button == MB_MENU_LEAVE)
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   else if (button == MB_MENU_CHOICE)
4282   {
4283     PlaySound(SND_MENU_ITEM_SELECTING);
4284
4285     FadeSound(SND_BACKGROUND_SCORES);
4286
4287     game_status = GAME_MODE_MAIN;
4288
4289     DrawMainMenu();
4290   }
4291
4292   if (game_status == GAME_MODE_SCORES)
4293     PlayMenuSoundIfLoop();
4294 }
4295
4296
4297 /* ========================================================================= */
4298 /* setup screen functions                                                    */
4299 /* ========================================================================= */
4300
4301 static struct TokenInfo *setup_info;
4302 static int num_setup_info;      /* number of setup entries shown on screen */
4303 static int max_setup_info;      /* total number of setup entries in list */
4304
4305 static char *screen_mode_text;
4306 static char *window_size_text;
4307 static char *scaling_type_text;
4308 static char *scroll_delay_text;
4309 static char *snapshot_mode_text;
4310 static char *game_speed_text;
4311 static char *graphics_set_name;
4312 static char *sounds_set_name;
4313 static char *music_set_name;
4314 static char *volume_simple_text;
4315 static char *volume_loops_text;
4316 static char *volume_music_text;
4317 static char *touch_controls_text;
4318 static char *move_distance_text;
4319 static char *drop_distance_text;
4320
4321 static void execSetupMain()
4322 {
4323   setup_mode = SETUP_MODE_MAIN;
4324
4325   DrawSetupScreen();
4326 }
4327
4328 static void execSetupGame_setGameSpeeds()
4329 {
4330   if (game_speeds == NULL)
4331   {
4332     int i;
4333
4334     for (i = 0; game_speeds_list[i].value != -1; i++)
4335     {
4336       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4337       char identifier[32], name[32];
4338       int value = game_speeds_list[i].value;
4339       char *text = game_speeds_list[i].text;
4340
4341       ti->node_top = &game_speeds;
4342       ti->sort_priority = 10000 - value;
4343
4344       sprintf(identifier, "%d", value);
4345       sprintf(name, "%s", text);
4346
4347       setString(&ti->identifier, identifier);
4348       setString(&ti->name, name);
4349       setString(&ti->name_sorting, name);
4350       setString(&ti->infotext, "Game Speed");
4351
4352       pushTreeInfo(&game_speeds, ti);
4353     }
4354
4355     /* sort game speed values to start with slowest game speed */
4356     sortTreeInfo(&game_speeds);
4357
4358     /* set current game speed to configured game speed value */
4359     game_speed_current =
4360       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4361
4362     /* if that fails, set current game speed to reliable default value */
4363     if (game_speed_current == NULL)
4364       game_speed_current =
4365         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4366
4367     /* if that also fails, set current game speed to first available speed */
4368     if (game_speed_current == NULL)
4369       game_speed_current = game_speeds;
4370   }
4371
4372   setup.game_frame_delay = atoi(game_speed_current->identifier);
4373
4374   /* needed for displaying game speed text instead of identifier */
4375   game_speed_text = game_speed_current->name;
4376 }
4377
4378 static void execSetupGame_setScrollDelays()
4379 {
4380   if (scroll_delays == NULL)
4381   {
4382     int i;
4383
4384     for (i = 0; scroll_delays_list[i].value != -1; i++)
4385     {
4386       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4387       char identifier[32], name[32];
4388       int value = scroll_delays_list[i].value;
4389       char *text = scroll_delays_list[i].text;
4390
4391       ti->node_top = &scroll_delays;
4392       ti->sort_priority = value;
4393
4394       sprintf(identifier, "%d", value);
4395       sprintf(name, "%s", text);
4396
4397       setString(&ti->identifier, identifier);
4398       setString(&ti->name, name);
4399       setString(&ti->name_sorting, name);
4400       setString(&ti->infotext, "Scaling Type");
4401
4402       pushTreeInfo(&scroll_delays, ti);
4403     }
4404
4405     /* sort scaling type values to start with lowest scaling type value */
4406     sortTreeInfo(&scroll_delays);
4407
4408     /* set current scaling type value to configured scaling type value */
4409     scroll_delay_current =
4410       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4411
4412     /* if that fails, set current scaling type to reliable default value */
4413     if (scroll_delay_current == NULL)
4414       scroll_delay_current =
4415         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4416
4417     /* if that also fails, set current scaling type to first available value */
4418     if (scroll_delay_current == NULL)
4419       scroll_delay_current = scroll_delays;
4420   }
4421
4422   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4423
4424   /* needed for displaying scaling type text instead of identifier */
4425   scroll_delay_text = scroll_delay_current->name;
4426 }
4427
4428 static void execSetupGame_setSnapshotModes()
4429 {
4430   if (snapshot_modes == NULL)
4431   {
4432     int i;
4433
4434     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4435     {
4436       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4437       char identifier[32], name[32];
4438       char *value = snapshot_modes_list[i].value;
4439       char *text = snapshot_modes_list[i].text;
4440
4441       ti->node_top = &snapshot_modes;
4442       ti->sort_priority = i;
4443
4444       sprintf(identifier, "%s", value);
4445       sprintf(name, "%s", text);
4446
4447       setString(&ti->identifier, identifier);
4448       setString(&ti->name, name);
4449       setString(&ti->name_sorting, name);
4450       setString(&ti->infotext, "Snapshot Mode");
4451
4452       pushTreeInfo(&snapshot_modes, ti);
4453     }
4454
4455     /* sort snapshot mode values to start with lowest snapshot mode value */
4456     sortTreeInfo(&snapshot_modes);
4457
4458     /* set current snapshot mode value to configured snapshot mode value */
4459     snapshot_mode_current =
4460       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4461
4462     /* if that fails, set current snapshot mode to reliable default value */
4463     if (snapshot_mode_current == NULL)
4464       snapshot_mode_current =
4465         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4466
4467     /* if that also fails, set current snapshot mode to first available value */
4468     if (snapshot_mode_current == NULL)
4469       snapshot_mode_current = snapshot_modes;
4470   }
4471
4472   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4473
4474   /* needed for displaying snapshot mode text instead of identifier */
4475   snapshot_mode_text = snapshot_mode_current->name;
4476 }
4477
4478 static void execSetupGame()
4479 {
4480   execSetupGame_setGameSpeeds();
4481   execSetupGame_setScrollDelays();
4482   execSetupGame_setSnapshotModes();
4483
4484   setup_mode = SETUP_MODE_GAME;
4485
4486   DrawSetupScreen();
4487 }
4488
4489 static void execSetupChooseGameSpeed()
4490 {
4491   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4492
4493   DrawSetupScreen();
4494 }
4495
4496 static void execSetupChooseScrollDelay()
4497 {
4498   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4499
4500   DrawSetupScreen();
4501 }
4502
4503 static void execSetupChooseSnapshotMode()
4504 {
4505   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4506
4507   DrawSetupScreen();
4508 }
4509
4510 static void execSetupEditor()
4511 {
4512   setup_mode = SETUP_MODE_EDITOR;
4513
4514   DrawSetupScreen();
4515 }
4516
4517 static void execSetupGraphics_setWindowSizes(boolean update_list)
4518 {
4519   if (window_sizes != NULL && update_list)
4520   {
4521     freeTreeInfo(window_sizes);
4522
4523     window_sizes = NULL;
4524   }
4525
4526   if (window_sizes == NULL)
4527   {
4528     boolean current_window_size_found = FALSE;
4529     int i;
4530
4531     for (i = 0; window_sizes_list[i].value != -1; i++)
4532     {
4533       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4534       char identifier[32], name[32];
4535       int value = window_sizes_list[i].value;
4536       char *text = window_sizes_list[i].text;
4537
4538       ti->node_top = &window_sizes;
4539       ti->sort_priority = value;
4540
4541       sprintf(identifier, "%d", value);
4542       sprintf(name, "%s", text);
4543
4544       setString(&ti->identifier, identifier);
4545       setString(&ti->name, name);
4546       setString(&ti->name_sorting, name);
4547       setString(&ti->infotext, "Window Scaling");
4548
4549       pushTreeInfo(&window_sizes, ti);
4550
4551       if (value == setup.window_scaling_percent)
4552         current_window_size_found = TRUE;
4553     }
4554
4555     if (!current_window_size_found)
4556     {
4557       // add entry for non-preset window scaling value
4558
4559       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4560       char identifier[32], name[32];
4561       int value = setup.window_scaling_percent;
4562
4563       ti->node_top = &window_sizes;
4564       ti->sort_priority = value;
4565
4566       sprintf(identifier, "%d", value);
4567       sprintf(name, "%d %% (Current)", value);
4568
4569       setString(&ti->identifier, identifier);
4570       setString(&ti->name, name);
4571       setString(&ti->name_sorting, name);
4572       setString(&ti->infotext, "Window Scaling");
4573
4574       pushTreeInfo(&window_sizes, ti);
4575     }
4576
4577     /* sort window size values to start with lowest window size value */
4578     sortTreeInfo(&window_sizes);
4579
4580     /* set current window size value to configured window size value */
4581     window_size_current =
4582       getTreeInfoFromIdentifier(window_sizes,
4583                                 i_to_a(setup.window_scaling_percent));
4584
4585     /* if that fails, set current window size to reliable default value */
4586     if (window_size_current == NULL)
4587       window_size_current =
4588         getTreeInfoFromIdentifier(window_sizes,
4589                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4590
4591     /* if that also fails, set current window size to first available value */
4592     if (window_size_current == NULL)
4593       window_size_current = window_sizes;
4594   }
4595
4596   setup.window_scaling_percent = atoi(window_size_current->identifier);
4597
4598   /* needed for displaying window size text instead of identifier */
4599   window_size_text = window_size_current->name;
4600 }
4601
4602 static void execSetupGraphics_setScalingTypes()
4603 {
4604   if (scaling_types == NULL)
4605   {
4606     int i;
4607
4608     for (i = 0; scaling_types_list[i].value != NULL; i++)
4609     {
4610       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4611       char identifier[32], name[32];
4612       char *value = scaling_types_list[i].value;
4613       char *text = scaling_types_list[i].text;
4614
4615       ti->node_top = &scaling_types;
4616       ti->sort_priority = i;
4617
4618       sprintf(identifier, "%s", value);
4619       sprintf(name, "%s", text);
4620
4621       setString(&ti->identifier, identifier);
4622       setString(&ti->name, name);
4623       setString(&ti->name_sorting, name);
4624       setString(&ti->infotext, "Anti-Aliasing");
4625
4626       pushTreeInfo(&scaling_types, ti);
4627     }
4628
4629     /* sort scaling type values to start with lowest scaling type value */
4630     sortTreeInfo(&scaling_types);
4631
4632     /* set current scaling type value to configured scaling type value */
4633     scaling_type_current =
4634       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4635
4636     /* if that fails, set current scaling type to reliable default value */
4637     if (scaling_type_current == NULL)
4638       scaling_type_current =
4639         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4640
4641     /* if that also fails, set current scaling type to first available value */
4642     if (scaling_type_current == NULL)
4643       scaling_type_current = scaling_types;
4644   }
4645
4646   setup.window_scaling_quality = scaling_type_current->identifier;
4647
4648   /* needed for displaying scaling type text instead of identifier */
4649   scaling_type_text = scaling_type_current->name;
4650 }
4651
4652 static void execSetupGraphics_setScreenModes()
4653 {
4654   // if (screen_modes == NULL && video.fullscreen_available)
4655   if (screen_modes == NULL && video.fullscreen_modes != NULL)
4656   {
4657     int i;
4658
4659     for (i = 0; video.fullscreen_modes[i].width != -1; i++)
4660     {
4661       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4662       char identifier[32], name[32];
4663       int x = video.fullscreen_modes[i].width;
4664       int y = video.fullscreen_modes[i].height;
4665       int xx, yy;
4666
4667       get_aspect_ratio_from_screen_mode(&video.fullscreen_modes[i], &xx, &yy);
4668
4669       ti->node_top = &screen_modes;
4670       ti->sort_priority = x * 10000 + y;
4671
4672       sprintf(identifier, "%dx%d", x, y);
4673       sprintf(name, "%d x %d [%d:%d]", x, y, xx, yy);
4674
4675       setString(&ti->identifier, identifier);
4676       setString(&ti->name, name);
4677       setString(&ti->name_sorting, name);
4678       setString(&ti->infotext, "Fullscreen Mode");
4679
4680       pushTreeInfo(&screen_modes, ti);
4681     }
4682
4683     /* sort fullscreen modes to start with lowest available screen resolution */
4684     sortTreeInfo(&screen_modes);
4685
4686     /* set current screen mode for fullscreen mode to configured setup value */
4687     screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4688                                                     setup.fullscreen_mode);
4689
4690     /* if that fails, set current screen mode to reliable default value */
4691     if (screen_mode_current == NULL)
4692       screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4693                                                       DEFAULT_FULLSCREEN_MODE);
4694
4695     /* if that also fails, set current screen mode to first available mode */
4696     if (screen_mode_current == NULL)
4697       screen_mode_current = screen_modes;
4698
4699     if (screen_mode_current == NULL)
4700       video.fullscreen_available = FALSE;
4701   }
4702
4703   // if (video.fullscreen_available)
4704   if (screen_mode_current != NULL)
4705   {
4706     setup.fullscreen_mode = screen_mode_current->identifier;
4707
4708     /* needed for displaying screen mode name instead of identifier */
4709     screen_mode_text = screen_mode_current->name;
4710   }
4711 }
4712
4713 static void execSetupGraphics()
4714 {
4715   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4716   {
4717     // update "setup.window_scaling_percent" from list selection
4718     execSetupGraphics_setWindowSizes(FALSE);
4719   }
4720   else
4721   {
4722     // update list selection from "setup.window_scaling_percent"
4723     execSetupGraphics_setWindowSizes(TRUE);
4724   }
4725
4726   execSetupGraphics_setScalingTypes();
4727   execSetupGraphics_setScreenModes();
4728
4729   setup_mode = SETUP_MODE_GRAPHICS;
4730
4731   DrawSetupScreen();
4732
4733 #if defined(TARGET_SDL2)
4734   // window scaling may have changed at this point
4735   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4736
4737   // window scaling quality may have changed at this point
4738   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4739     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4740 #endif
4741 }
4742
4743 #if !defined(PLATFORM_ANDROID)
4744 #if defined(TARGET_SDL2)
4745 static void execSetupChooseWindowSize()
4746 {
4747   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4748
4749   DrawSetupScreen();
4750 }
4751
4752 static void execSetupChooseScalingType()
4753 {
4754   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4755
4756   DrawSetupScreen();
4757 }
4758 #else
4759 static void execSetupChooseScreenMode()
4760 {
4761   if (!video.fullscreen_available)
4762     return;
4763
4764   setup_mode = SETUP_MODE_CHOOSE_SCREEN_MODE;
4765
4766   DrawSetupScreen();
4767 }
4768 #endif
4769 #endif
4770
4771 static void execSetupChooseVolumeSimple()
4772 {
4773   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4774
4775   DrawSetupScreen();
4776 }
4777
4778 static void execSetupChooseVolumeLoops()
4779 {
4780   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4781
4782   DrawSetupScreen();
4783 }
4784
4785 static void execSetupChooseVolumeMusic()
4786 {
4787   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4788
4789   DrawSetupScreen();
4790 }
4791
4792 static void execSetupSound()
4793 {
4794   if (volumes_simple == NULL)
4795   {
4796     boolean current_volume_simple_found = FALSE;
4797     int i;
4798
4799     for (i = 0; volumes_list[i].value != -1; i++)
4800     {
4801       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4802       char identifier[32], name[32];
4803       int value = volumes_list[i].value;
4804       char *text = volumes_list[i].text;
4805
4806       ti->node_top = &volumes_simple;
4807       ti->sort_priority = value;
4808
4809       sprintf(identifier, "%d", value);
4810       sprintf(name, "%s", text);
4811
4812       setString(&ti->identifier, identifier);
4813       setString(&ti->name, name);
4814       setString(&ti->name_sorting, name);
4815       setString(&ti->infotext, "Sound Volume");
4816
4817       pushTreeInfo(&volumes_simple, ti);
4818
4819       if (value == setup.volume_simple)
4820         current_volume_simple_found = TRUE;
4821     }
4822
4823     if (!current_volume_simple_found)
4824     {
4825       // add entry for non-preset volume value
4826
4827       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4828       char identifier[32], name[32];
4829       int value = setup.volume_simple;
4830
4831       ti->node_top = &volumes_simple;
4832       ti->sort_priority = value;
4833
4834       sprintf(identifier, "%d", value);
4835       sprintf(name, "%d %% (Current)", value);
4836
4837       setString(&ti->identifier, identifier);
4838       setString(&ti->name, name);
4839       setString(&ti->name_sorting, name);
4840       setString(&ti->infotext, "Sound Volume");
4841
4842       pushTreeInfo(&volumes_simple, ti);
4843     }
4844
4845     /* sort volume values to start with lowest volume value */
4846     sortTreeInfo(&volumes_simple);
4847
4848     /* set current volume value to configured volume value */
4849     volume_simple_current =
4850       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4851
4852     /* if that fails, set current volume to reliable default value */
4853     if (volume_simple_current == NULL)
4854       volume_simple_current =
4855         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4856
4857     /* if that also fails, set current volume to first available value */
4858     if (volume_simple_current == NULL)
4859       volume_simple_current = volumes_simple;
4860   }
4861
4862   if (volumes_loops == NULL)
4863   {
4864     boolean current_volume_loops_found = FALSE;
4865     int i;
4866
4867     for (i = 0; volumes_list[i].value != -1; i++)
4868     {
4869       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4870       char identifier[32], name[32];
4871       int value = volumes_list[i].value;
4872       char *text = volumes_list[i].text;
4873
4874       ti->node_top = &volumes_loops;
4875       ti->sort_priority = value;
4876
4877       sprintf(identifier, "%d", value);
4878       sprintf(name, "%s", text);
4879
4880       setString(&ti->identifier, identifier);
4881       setString(&ti->name, name);
4882       setString(&ti->name_sorting, name);
4883       setString(&ti->infotext, "Loops Volume");
4884
4885       pushTreeInfo(&volumes_loops, ti);
4886
4887       if (value == setup.volume_loops)
4888         current_volume_loops_found = TRUE;
4889     }
4890
4891     if (!current_volume_loops_found)
4892     {
4893       // add entry for non-preset volume value
4894
4895       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4896       char identifier[32], name[32];
4897       int value = setup.volume_loops;
4898
4899       ti->node_top = &volumes_loops;
4900       ti->sort_priority = value;
4901
4902       sprintf(identifier, "%d", value);
4903       sprintf(name, "%d %% (Current)", value);
4904
4905       setString(&ti->identifier, identifier);
4906       setString(&ti->name, name);
4907       setString(&ti->name_sorting, name);
4908       setString(&ti->infotext, "Loops Volume");
4909
4910       pushTreeInfo(&volumes_loops, ti);
4911     }
4912
4913     /* sort volume values to start with lowest volume value */
4914     sortTreeInfo(&volumes_loops);
4915
4916     /* set current volume value to configured volume value */
4917     volume_loops_current =
4918       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4919
4920     /* if that fails, set current volume to reliable default value */
4921     if (volume_loops_current == NULL)
4922       volume_loops_current =
4923         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4924
4925     /* if that also fails, set current volume to first available value */
4926     if (volume_loops_current == NULL)
4927       volume_loops_current = volumes_loops;
4928   }
4929
4930   if (volumes_music == NULL)
4931   {
4932     boolean current_volume_music_found = FALSE;
4933     int i;
4934
4935     for (i = 0; volumes_list[i].value != -1; i++)
4936     {
4937       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4938       char identifier[32], name[32];
4939       int value = volumes_list[i].value;
4940       char *text = volumes_list[i].text;
4941
4942       ti->node_top = &volumes_music;
4943       ti->sort_priority = value;
4944
4945       sprintf(identifier, "%d", value);
4946       sprintf(name, "%s", text);
4947
4948       setString(&ti->identifier, identifier);
4949       setString(&ti->name, name);
4950       setString(&ti->name_sorting, name);
4951       setString(&ti->infotext, "Music Volume");
4952
4953       pushTreeInfo(&volumes_music, ti);
4954
4955       if (value == setup.volume_music)
4956         current_volume_music_found = TRUE;
4957     }
4958
4959     if (!current_volume_music_found)
4960     {
4961       // add entry for non-preset volume value
4962
4963       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4964       char identifier[32], name[32];
4965       int value = setup.volume_music;
4966
4967       ti->node_top = &volumes_music;
4968       ti->sort_priority = value;
4969
4970       sprintf(identifier, "%d", value);
4971       sprintf(name, "%d %% (Current)", value);
4972
4973       setString(&ti->identifier, identifier);
4974       setString(&ti->name, name);
4975       setString(&ti->name_sorting, name);
4976       setString(&ti->infotext, "Music Volume");
4977
4978       pushTreeInfo(&volumes_music, ti);
4979     }
4980
4981     /* sort volume values to start with lowest volume value */
4982     sortTreeInfo(&volumes_music);
4983
4984     /* set current volume value to configured volume value */
4985     volume_music_current =
4986       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4987
4988     /* if that fails, set current volume to reliable default value */
4989     if (volume_music_current == NULL)
4990       volume_music_current =
4991         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4992
4993     /* if that also fails, set current volume to first available value */
4994     if (volume_music_current == NULL)
4995       volume_music_current = volumes_music;
4996   }
4997
4998   setup.volume_simple = atoi(volume_simple_current->identifier);
4999   setup.volume_loops  = atoi(volume_loops_current->identifier);
5000   setup.volume_music  = atoi(volume_music_current->identifier);
5001
5002   /* needed for displaying volume text instead of identifier */
5003   volume_simple_text = volume_simple_current->name;
5004   volume_loops_text = volume_loops_current->name;
5005   volume_music_text = volume_music_current->name;
5006
5007   setup_mode = SETUP_MODE_SOUND;
5008
5009   DrawSetupScreen();
5010 }
5011
5012 static void execSetupChooseTouchControls()
5013 {
5014   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5015
5016   DrawSetupScreen();
5017 }
5018
5019 static void execSetupChooseMoveDistance()
5020 {
5021   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5022
5023   DrawSetupScreen();
5024 }
5025
5026 static void execSetupChooseDropDistance()
5027 {
5028   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5029
5030   DrawSetupScreen();
5031 }
5032
5033 static void execSetupTouch()
5034 {
5035   if (touch_controls == NULL)
5036   {
5037     int i;
5038
5039     for (i = 0; touch_controls_list[i].value != NULL; i++)
5040     {
5041       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5042       char identifier[32], name[32];
5043       char *value = touch_controls_list[i].value;
5044       char *text = touch_controls_list[i].text;
5045
5046       ti->node_top = &touch_controls;
5047       ti->sort_priority = i;
5048
5049       sprintf(identifier, "%s", value);
5050       sprintf(name, "%s", text);
5051
5052       setString(&ti->identifier, identifier);
5053       setString(&ti->name, name);
5054       setString(&ti->name_sorting, name);
5055       setString(&ti->infotext, "Control Type");
5056
5057       pushTreeInfo(&touch_controls, ti);
5058     }
5059
5060     /* sort touch control values to start with lowest touch control value */
5061     sortTreeInfo(&touch_controls);
5062
5063     /* set current touch control value to configured touch control value */
5064     touch_control_current =
5065       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5066
5067     /* if that fails, set current touch control to reliable default value */
5068     if (touch_control_current == NULL)
5069       touch_control_current =
5070         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5071
5072     /* if that also fails, set current touch control to first available value */
5073     if (touch_control_current == NULL)
5074       touch_control_current = touch_controls;
5075   }
5076
5077   if (move_distances == NULL)
5078   {
5079     int i;
5080
5081     for (i = 0; distances_list[i].value != -1; i++)
5082     {
5083       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5084       char identifier[32], name[32];
5085       int value = distances_list[i].value;
5086       char *text = distances_list[i].text;
5087
5088       ti->node_top = &move_distances;
5089       ti->sort_priority = value;
5090
5091       sprintf(identifier, "%d", value);
5092       sprintf(name, "%s", text);
5093
5094       setString(&ti->identifier, identifier);
5095       setString(&ti->name, name);
5096       setString(&ti->name_sorting, name);
5097       setString(&ti->infotext, "Move Distance");
5098
5099       pushTreeInfo(&move_distances, ti);
5100     }
5101
5102     /* sort distance values to start with lowest distance value */
5103     sortTreeInfo(&move_distances);
5104
5105     /* set current distance value to configured distance value */
5106     move_distance_current =
5107       getTreeInfoFromIdentifier(move_distances,
5108                                 i_to_a(setup.touch.move_distance));
5109
5110     /* if that fails, set current distance to reliable default value */
5111     if (move_distance_current == NULL)
5112       move_distance_current =
5113         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5114
5115     /* if that also fails, set current distance to first available value */
5116     if (move_distance_current == NULL)
5117       move_distance_current = move_distances;
5118   }
5119
5120   if (drop_distances == NULL)
5121   {
5122     int i;
5123
5124     for (i = 0; distances_list[i].value != -1; i++)
5125     {
5126       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5127       char identifier[32], name[32];
5128       int value = distances_list[i].value;
5129       char *text = distances_list[i].text;
5130
5131       ti->node_top = &drop_distances;
5132       ti->sort_priority = value;
5133
5134       sprintf(identifier, "%d", value);
5135       sprintf(name, "%s", text);
5136
5137       setString(&ti->identifier, identifier);
5138       setString(&ti->name, name);
5139       setString(&ti->name_sorting, name);
5140       setString(&ti->infotext, "Drop Distance");
5141
5142       pushTreeInfo(&drop_distances, ti);
5143     }
5144
5145     /* sort distance values to start with lowest distance value */
5146     sortTreeInfo(&drop_distances);
5147
5148     /* set current distance value to configured distance value */
5149     drop_distance_current =
5150       getTreeInfoFromIdentifier(drop_distances,
5151                                 i_to_a(setup.touch.drop_distance));
5152
5153     /* if that fails, set current distance to reliable default value */
5154     if (drop_distance_current == NULL)
5155       drop_distance_current =
5156         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5157
5158     /* if that also fails, set current distance to first available value */
5159     if (drop_distance_current == NULL)
5160       drop_distance_current = drop_distances;
5161   }
5162
5163   setup.touch.control_type = touch_control_current->identifier;
5164   setup.touch.move_distance = atoi(move_distance_current->identifier);
5165   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5166
5167   /* needed for displaying volume text instead of identifier */
5168   touch_controls_text = touch_control_current->name;
5169   move_distance_text = move_distance_current->name;
5170   drop_distance_text = drop_distance_current->name;
5171
5172   setup_mode = SETUP_MODE_TOUCH;
5173
5174   DrawSetupScreen();
5175 }
5176
5177 static void execSetupArtwork()
5178 {
5179 #if 0
5180   printf("::: '%s', '%s', '%s'\n",
5181          artwork.gfx_current->subdir,
5182          artwork.gfx_current->fullpath,
5183          artwork.gfx_current->basepath);
5184 #endif
5185
5186   setup.graphics_set = artwork.gfx_current->identifier;
5187   setup.sounds_set = artwork.snd_current->identifier;
5188   setup.music_set = artwork.mus_current->identifier;
5189
5190   /* needed if last screen (setup choice) changed graphics, sounds or music */
5191   ReloadCustomArtwork(0);
5192
5193   /* needed for displaying artwork name instead of artwork identifier */
5194   graphics_set_name = artwork.gfx_current->name;
5195   sounds_set_name = artwork.snd_current->name;
5196   music_set_name = artwork.mus_current->name;
5197
5198   setup_mode = SETUP_MODE_ARTWORK;
5199
5200   DrawSetupScreen();
5201 }
5202
5203 static void execSetupChooseGraphics()
5204 {
5205   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5206
5207   DrawSetupScreen();
5208 }
5209
5210 static void execSetupChooseSounds()
5211 {
5212   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5213
5214   DrawSetupScreen();
5215 }
5216
5217 static void execSetupChooseMusic()
5218 {
5219   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5220
5221   DrawSetupScreen();
5222 }
5223
5224 #if !defined(PLATFORM_ANDROID)
5225 static void execSetupInput()
5226 {
5227   setup_mode = SETUP_MODE_INPUT;
5228
5229   DrawSetupScreen();
5230 }
5231 #endif
5232
5233 static void execSetupShortcuts()
5234 {
5235   setup_mode = SETUP_MODE_SHORTCUTS;
5236
5237   DrawSetupScreen();
5238 }
5239
5240 static void execSetupShortcuts1()
5241 {
5242   setup_mode = SETUP_MODE_SHORTCUTS_1;
5243
5244   DrawSetupScreen();
5245 }
5246
5247 static void execSetupShortcuts2()
5248 {
5249   setup_mode = SETUP_MODE_SHORTCUTS_2;
5250
5251   DrawSetupScreen();
5252 }
5253
5254 static void execSetupShortcuts3()
5255 {
5256   setup_mode = SETUP_MODE_SHORTCUTS_3;
5257
5258   DrawSetupScreen();
5259 }
5260
5261 static void execSetupShortcuts4()
5262 {
5263   setup_mode = SETUP_MODE_SHORTCUTS_4;
5264
5265   DrawSetupScreen();
5266 }
5267
5268 static void execSetupShortcuts5()
5269 {
5270   setup_mode = SETUP_MODE_SHORTCUTS_5;
5271
5272   DrawSetupScreen();
5273 }
5274
5275 static void execExitSetup()
5276 {
5277   game_status = GAME_MODE_MAIN;
5278
5279   DrawMainMenu();
5280 }
5281
5282 static void execSaveAndExitSetup()
5283 {
5284   SaveSetup();
5285   execExitSetup();
5286 }
5287
5288 static struct TokenInfo setup_info_main[] =
5289 {
5290   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5291   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5292   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5293   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5294   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5295 #if !defined(PLATFORM_ANDROID)
5296   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5297   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5298 #else
5299   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5300 #endif
5301   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5302   { TYPE_EMPTY,         NULL,                   ""                      },
5303   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5304   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5305
5306   { 0,                  NULL,                   NULL                    }
5307 };
5308
5309 static struct TokenInfo setup_info_game[] =
5310 {
5311   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5312   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5313   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5314   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5315   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5316   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5317   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5318   { TYPE_STRING,        &game_speed_text,       ""                      },
5319 #if 1
5320   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5321   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5322 #endif
5323   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5324   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5325   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5326   { TYPE_EMPTY,         NULL,                   ""                      },
5327   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5328
5329   { 0,                  NULL,                   NULL                    }
5330 };
5331
5332 static struct TokenInfo setup_info_editor[] =
5333 {
5334 #if 0
5335   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5336   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5337   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5338   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5339   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5340   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5341   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5342   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5343 #endif
5344   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5345   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5346   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5347 #if 0
5348   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5349 #endif
5350   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5351   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5352   { TYPE_EMPTY,         NULL,                   ""                      },
5353 #if 0
5354   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5355   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5356   { TYPE_EMPTY,         NULL,                   ""                      },
5357 #endif
5358   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5359   { TYPE_EMPTY,         NULL,                   ""                      },
5360   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5361
5362   { 0,                  NULL,                   NULL                    }
5363 };
5364
5365 static struct TokenInfo setup_info_graphics[] =
5366 {
5367 #if !defined(PLATFORM_ANDROID)
5368   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5369 #if defined(TARGET_SDL2)
5370   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5371   { TYPE_STRING,        &window_size_text,      ""                      },
5372   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5373   { TYPE_STRING,        &scaling_type_text,     ""                      },
5374 #else
5375   { TYPE_ENTER_LIST,    execSetupChooseScreenMode, "Fullscreen Mode:"   },
5376   { TYPE_STRING,        &screen_mode_text,      ""                      },
5377 #endif
5378 #endif
5379 #if 0
5380   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5381   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5382 #endif
5383   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5384   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5385   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5386   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5387   { TYPE_SWITCH,        &setup.toons,           "Show Toons:"           },
5388   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5389   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5390   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5391   { TYPE_EMPTY,         NULL,                   ""                      },
5392   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5393
5394   { 0,                  NULL,                   NULL                    }
5395 };
5396
5397 static struct TokenInfo setup_info_sound[] =
5398 {
5399   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5400   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5401   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5402   { TYPE_EMPTY,         NULL,                   ""                      },
5403   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5404   { TYPE_STRING,        &volume_simple_text,    ""                      },
5405   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5406   { TYPE_STRING,        &volume_loops_text,     ""                      },
5407   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5408   { TYPE_STRING,        &volume_music_text,     ""                      },
5409   { TYPE_EMPTY,         NULL,                   ""                      },
5410   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5411
5412   { 0,                  NULL,                   NULL                    }
5413 };
5414
5415 static struct TokenInfo setup_info_artwork[] =
5416 {
5417   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5418   { TYPE_STRING,        &graphics_set_name,     ""                      },
5419   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5420   { TYPE_STRING,        &sounds_set_name,       ""                      },
5421   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5422   { TYPE_STRING,        &music_set_name,        ""                      },
5423   { TYPE_EMPTY,         NULL,                   ""                      },
5424   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5425   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5426   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5427   { TYPE_EMPTY,         NULL,                   ""                      },
5428   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5429
5430   { 0,                  NULL,                   NULL                    }
5431 };
5432
5433 static struct TokenInfo setup_info_input[] =
5434 {
5435   { TYPE_SWITCH,        NULL,                   "Player:"               },
5436   { TYPE_SWITCH,        NULL,                   "Device:"               },
5437   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5438   { TYPE_EMPTY,         NULL,                   ""                      },
5439   { TYPE_EMPTY,         NULL,                   ""                      },
5440   { TYPE_EMPTY,         NULL,                   ""                      },
5441   { TYPE_EMPTY,         NULL,                   ""                      },
5442   { TYPE_EMPTY,         NULL,                   ""                      },
5443   { TYPE_EMPTY,         NULL,                   ""                      },
5444   { TYPE_EMPTY,         NULL,                   ""                      },
5445   { TYPE_EMPTY,         NULL,                   ""                      },
5446   { TYPE_EMPTY,         NULL,                   ""                      },
5447   { TYPE_EMPTY,         NULL,                   ""                      },
5448   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5449
5450   { 0,                  NULL,                   NULL                    }
5451 };
5452
5453 static struct TokenInfo setup_info_touch[] =
5454 {
5455   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5456   { TYPE_STRING,        &touch_controls_text,   ""                      },
5457   { TYPE_EMPTY,         NULL,                   ""                      },
5458   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5459   { TYPE_STRING,        &move_distance_text,    ""                      },
5460   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5461   { TYPE_STRING,        &drop_distance_text,    ""                      },
5462   { TYPE_EMPTY,         NULL,                   ""                      },
5463   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5464
5465   { 0,                  NULL,                   NULL                    }
5466 };
5467
5468 static struct TokenInfo setup_info_shortcuts[] =
5469 {
5470   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5471   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5472   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5473   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5474   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5475   { TYPE_EMPTY,         NULL,                   ""                      },
5476   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5477
5478   { 0,                  NULL,                   NULL                    }
5479 };
5480
5481 static struct TokenInfo setup_info_shortcuts_1[] =
5482 {
5483   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5484   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5485   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5486   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5487   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5488   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5489   { TYPE_EMPTY,         NULL,                   ""                      },
5490   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5491   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5492   { TYPE_EMPTY,         NULL,                   ""                      },
5493   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5494
5495   { 0,                  NULL,                   NULL                    }
5496 };
5497
5498 static struct TokenInfo setup_info_shortcuts_2[] =
5499 {
5500   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5501   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5502   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5503   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5504   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5505   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5506   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5507   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5508   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5509   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5510   { TYPE_EMPTY,         NULL,                   ""                      },
5511   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5512
5513   { 0,                  NULL,                   NULL                    }
5514 };
5515
5516 static struct TokenInfo setup_info_shortcuts_3[] =
5517 {
5518   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5519   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5520   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5521   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5522   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5523   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5524   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5525   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5526   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5527   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5528   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5529   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5530   { TYPE_EMPTY,         NULL,                   ""                      },
5531   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5532
5533   { 0,                  NULL,                   NULL                    }
5534 };
5535
5536 static struct TokenInfo setup_info_shortcuts_4[] =
5537 {
5538   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5539   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5540   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5541   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5542   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5543   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5544   { TYPE_EMPTY,         NULL,                   ""                      },
5545   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5546
5547   { 0,                  NULL,                   NULL                    }
5548 };
5549
5550 static struct TokenInfo setup_info_shortcuts_5[] =
5551 {
5552   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5553   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5554   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5555   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5556   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5557   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5558   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5559   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5560   { TYPE_EMPTY,         NULL,                   ""                      },
5561   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5562
5563   { 0,                  NULL,                   NULL                    }
5564 };
5565
5566 static Key getSetupKey()
5567 {
5568   Key key = KSYM_UNDEFINED;
5569   boolean got_key_event = FALSE;
5570
5571   while (!got_key_event)
5572   {
5573     if (PendingEvent())         /* got event */
5574     {
5575       Event event;
5576
5577       NextEvent(&event);
5578
5579       switch (event.type)
5580       {
5581         case EVENT_KEYPRESS:
5582           {
5583             key = GetEventKey((KeyEvent *)&event, TRUE);
5584
5585             /* press 'Escape' or 'Enter' to keep the existing key binding */
5586             if (key == KSYM_Escape || key == KSYM_Return)
5587               key = KSYM_UNDEFINED;     /* keep old value */
5588
5589             got_key_event = TRUE;
5590           }
5591           break;
5592
5593         case EVENT_KEYRELEASE:
5594           key_joystick_mapping = 0;
5595           break;
5596
5597         default:
5598           HandleOtherEvents(&event);
5599           break;
5600       }
5601     }
5602
5603     DoAnimation();
5604     BackToFront();
5605
5606     /* don't eat all CPU time */
5607     Delay(10);
5608   }
5609
5610   return key;
5611 }
5612
5613 static int getSetupValueFont(int type, void *value)
5614 {
5615   if (type & TYPE_KEY)
5616     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5617   else if (type & TYPE_STRING)
5618     return FONT_VALUE_2;
5619   else if (type & TYPE_ECS_AGA)
5620     return FONT_VALUE_1;
5621   else if (type & TYPE_BOOLEAN_STYLE)
5622     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5623   else if (type & TYPE_YES_NO_AUTO)
5624     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5625             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5626   else
5627     return FONT_VALUE_1;
5628 }
5629
5630 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5631 {
5632   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5633   struct TokenInfo *si = &setup_info[si_pos];
5634   boolean font_draw_xoffset_modified = FALSE;
5635   int font_draw_xoffset_old = -1;
5636   int xoffset = (num_setup_info < max_setup_info ? -1 : 0);
5637   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5638   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5639   int xpos = menu_screen_value_xpos;
5640   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5641   int startx = mSX + xpos * 32;
5642   int starty = mSY + ypos * 32;
5643   int font_nr, font_width;
5644   int type = si->type;
5645   void *value = si->value;
5646   char *value_string = getSetupValue(type, value);
5647   int i;
5648
5649   if (value_string == NULL)
5650     return;
5651
5652   if (type & TYPE_KEY)
5653   {
5654     xpos = MENU_SCREEN_START_XPOS;
5655
5656     if (type & TYPE_QUERY)
5657       value_string = "<press key>";
5658   }
5659   else if (type & TYPE_STRING)
5660   {
5661     int max_value_len = (SCR_FIELDX - 2) * 2;
5662
5663     xpos = MENU_SCREEN_START_XPOS;
5664
5665     if (strlen(value_string) > max_value_len)
5666       value_string[max_value_len] = '\0';
5667   }
5668   else if (type & TYPE_YES_NO_AUTO)
5669   {
5670     xpos = menu_screen_value_xpos - 1;
5671   }
5672
5673   startx = mSX + xpos * 32;
5674   starty = mSY + ypos * 32;
5675   font_nr = getSetupValueFont(type, value);
5676   font_width = getFontWidth(font_nr);
5677
5678   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5679   if (setup_mode != SETUP_MODE_INPUT)
5680   {
5681     int max_menu_text_length_big = (menu_screen_value_xpos -
5682                                     MENU_SCREEN_START_XPOS);
5683     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5684     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5685     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5686     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5687     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5688     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5689     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5690     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5691     boolean correct_font_draw_xoffset = FALSE;
5692
5693     if (xpos == MENU_SCREEN_START_XPOS &&
5694         startx + font1_xoffset < text_startx + text_font_xoffset)
5695       correct_font_draw_xoffset = TRUE;
5696
5697     if (xpos == menu_screen_value_xpos &&
5698         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5699       correct_font_draw_xoffset = TRUE;
5700
5701     /* check if setup value would overlap with setup text when printed */
5702     /* (this can happen for extreme/wrong values for font draw offset) */
5703     if (correct_font_draw_xoffset)
5704     {
5705       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5706       font_draw_xoffset_modified = TRUE;
5707
5708       if (type & TYPE_KEY)
5709         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5710       else if (!(type & TYPE_STRING))
5711         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5712           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5713     }
5714   }
5715
5716   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5717     DrawText(startx + i * font_width, starty, " ", font_nr);
5718
5719   DrawText(startx, starty, value_string, font_nr);
5720
5721   if (font_draw_xoffset_modified)
5722     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5723 }
5724
5725 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5726 {
5727   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5728   struct TokenInfo *si = &setup_info[si_pos];
5729
5730   if (si->type & TYPE_BOOLEAN_STYLE)
5731   {
5732     *(boolean *)si->value ^= TRUE;
5733   }
5734   else if (si->type & TYPE_YES_NO_AUTO)
5735   {
5736     *(int *)si->value =
5737       (dx == -1 ?
5738        (*(int *)si->value == AUTO ? TRUE :
5739         *(int *)si->value == TRUE ? FALSE : AUTO) :
5740        (*(int *)si->value == TRUE ? AUTO :
5741         *(int *)si->value == AUTO ? FALSE : TRUE));
5742   }
5743   else if (si->type & TYPE_KEY)
5744   {
5745     Key key;
5746
5747     si->type |= TYPE_QUERY;
5748     drawSetupValue(screen_pos, setup_info_pos_raw);
5749     si->type &= ~TYPE_QUERY;
5750
5751     key = getSetupKey();
5752     if (key != KSYM_UNDEFINED)
5753       *(Key *)si->value = key;
5754   }
5755
5756   drawSetupValue(screen_pos, setup_info_pos_raw);
5757
5758   // fullscreen state may have changed at this point
5759   if (si->value == &setup.fullscreen)
5760     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5761 }
5762
5763 static void DrawSetupScreen_Generic()
5764 {
5765   int fade_mask = REDRAW_FIELD;
5766   boolean redraw_all = FALSE;
5767   char *title_string = NULL;
5768   int i;
5769
5770   if (CheckIfGlobalBorderHasChanged())
5771     fade_mask = REDRAW_ALL;
5772
5773   UnmapAllGadgets();
5774
5775   FreeScreenGadgets();
5776   CreateScreenGadgets();
5777
5778   CloseDoor(DOOR_CLOSE_2);
5779
5780   if (redraw_mask & REDRAW_ALL)
5781     redraw_all = TRUE;
5782
5783   FadeOut(fade_mask);
5784
5785   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5786
5787   ClearField();
5788
5789   if (setup_mode == SETUP_MODE_MAIN)
5790   {
5791     setup_info = setup_info_main;
5792     title_string = "Setup";
5793   }
5794   else if (setup_mode == SETUP_MODE_GAME)
5795   {
5796     setup_info = setup_info_game;
5797     title_string = "Setup Game";
5798   }
5799   else if (setup_mode == SETUP_MODE_EDITOR)
5800   {
5801     setup_info = setup_info_editor;
5802     title_string = "Setup Editor";
5803   }
5804   else if (setup_mode == SETUP_MODE_GRAPHICS)
5805   {
5806     setup_info = setup_info_graphics;
5807     title_string = "Setup Graphics";
5808   }
5809   else if (setup_mode == SETUP_MODE_SOUND)
5810   {
5811     setup_info = setup_info_sound;
5812     title_string = "Setup Sound";
5813   }
5814   else if (setup_mode == SETUP_MODE_ARTWORK)
5815   {
5816     setup_info = setup_info_artwork;
5817     title_string = "Custom Artwork";
5818   }
5819   else if (setup_mode == SETUP_MODE_TOUCH)
5820   {
5821     setup_info = setup_info_touch;
5822     title_string = "Setup Touch Ctrls";
5823   }
5824   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5825   {
5826     setup_info = setup_info_shortcuts;
5827     title_string = "Setup Shortcuts";
5828   }
5829   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5830   {
5831     setup_info = setup_info_shortcuts_1;
5832     title_string = "Setup Shortcuts";
5833   }
5834   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5835   {
5836     setup_info = setup_info_shortcuts_2;
5837     title_string = "Setup Shortcuts";
5838   }
5839   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5840   {
5841     setup_info = setup_info_shortcuts_3;
5842     title_string = "Setup Shortcuts";
5843   }
5844   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5845   {
5846     setup_info = setup_info_shortcuts_4;
5847     title_string = "Setup Shortcuts";
5848   }
5849   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5850   {
5851     setup_info = setup_info_shortcuts_5;
5852     title_string = "Setup Shortcuts";
5853   }
5854
5855   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5856
5857   // determine maximal number of setup entries that can be displayed on screen
5858   num_setup_info = 0;
5859   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5860     num_setup_info++;
5861
5862   // determine maximal number of setup entries available for this setup screen
5863   max_setup_info = 0;
5864   for (i = 0; setup_info[i].type != 0; i++)
5865     max_setup_info++;
5866
5867   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5868
5869   MapScreenGadgets(max_setup_info);
5870
5871   if (redraw_all)
5872     redraw_mask = fade_mask = REDRAW_ALL;
5873
5874   DrawMaskedBorder(fade_mask);
5875
5876   FadeIn(fade_mask);
5877
5878   InitAnimation();
5879 }
5880
5881 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5882 {
5883   menu_info = setup_info;
5884
5885   HandleMenuScreen(mx, my, dx, dy, button,
5886                    setup_mode, num_setup_info, max_setup_info);
5887 }
5888
5889 void DrawSetupScreen_Input()
5890 {
5891   int i;
5892
5893   FadeOut(REDRAW_FIELD);
5894
5895   ClearField();
5896
5897   setup_info = setup_info_input;
5898
5899   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5900
5901   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5902                     "Joysticks deactivated on this screen");
5903
5904   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5905   {
5906     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5907       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5908     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5909       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5910     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5911       initCursor(i, IMG_MENU_BUTTON);
5912
5913     DrawCursorAndText_Setup(i, -1, FALSE);
5914   }
5915
5916   /* create gadgets for setup input menu screen */
5917   FreeScreenGadgets();
5918   CreateScreenGadgets();
5919
5920   /* map gadgets for setup input menu screen */
5921   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5922
5923   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5924
5925   FadeIn(REDRAW_FIELD);
5926
5927   InitAnimation();
5928 }
5929
5930 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5931 {
5932   if (device_name == NULL)
5933     return;
5934
5935   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5936     device_nr = 0;
5937
5938   if (strlen(device_name) > 1)
5939   {
5940     char c1 = device_name[strlen(device_name) - 1];
5941     char c2 = device_name[strlen(device_name) - 2];
5942
5943     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5944       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5945   }
5946   else
5947     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5948             strlen(device_name));
5949 }
5950
5951 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5952 {
5953   int i;
5954   static struct SetupKeyboardInfo custom_key;
5955   static struct
5956   {
5957     Key *key;
5958     char *text;
5959   } custom[] =
5960   {
5961     { &custom_key.left,  "Joystick Left"  },
5962     { &custom_key.right, "Joystick Right" },
5963     { &custom_key.up,    "Joystick Up"    },
5964     { &custom_key.down,  "Joystick Down"  },
5965     { &custom_key.snap,  "Button 1"       },
5966     { &custom_key.drop,  "Button 2"       }
5967   };
5968   static char *joystick_name[MAX_PLAYERS] =
5969   {
5970     "Joystick1",
5971     "Joystick2",
5972     "Joystick3",
5973     "Joystick4"
5974   };
5975   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5976
5977   InitJoysticks();
5978
5979   custom_key = setup.input[player_nr].key;
5980
5981   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5982            FONT_INPUT_1_ACTIVE);
5983
5984   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5985                              TILEX, TILEY);
5986   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5987                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5988
5989   if (setup.input[player_nr].use_joystick)
5990   {
5991     char *device_name = setup.input[player_nr].joy.device_name;
5992     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
5993     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
5994
5995     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
5996     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
5997   }
5998   else
5999   {
6000     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
6001     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
6002   }
6003
6004   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
6005
6006   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
6007   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
6008   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
6009   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6010
6011   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6012   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6013   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6014   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6015   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6016   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6017
6018   for (i = 0; i < 6; i++)
6019   {
6020     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6021
6022     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6023              "              ", FONT_VALUE_1);
6024     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6025              (setup.input[player_nr].use_joystick ?
6026               custom[i].text :
6027               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6028   }
6029 }
6030
6031 static int input_player_nr = 0;
6032
6033 void HandleSetupScreen_Input_Player(int step, int direction)
6034 {
6035   int old_player_nr = input_player_nr;
6036   int new_player_nr;
6037
6038   new_player_nr = old_player_nr + step * direction;
6039   if (new_player_nr < 0)
6040     new_player_nr = 0;
6041   if (new_player_nr > MAX_PLAYERS - 1)
6042     new_player_nr = MAX_PLAYERS - 1;
6043
6044   if (new_player_nr != old_player_nr)
6045   {
6046     input_player_nr = new_player_nr;
6047
6048     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6049   }
6050 }
6051
6052 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6053 {
6054   static int choice = 0;
6055   int x = 0;
6056   int y = choice;
6057   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6058   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6059   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6060   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6061
6062   if (button == MB_MENU_INITIALIZE)
6063   {
6064     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6065
6066     DrawCursorAndText_Setup(choice, -1, TRUE);
6067
6068     return;
6069   }
6070   else if (button == MB_MENU_LEAVE)
6071   {
6072     setup_mode = SETUP_MODE_MAIN;
6073     DrawSetupScreen();
6074     InitJoysticks();
6075
6076     return;
6077   }
6078
6079   if (mx || my)         /* mouse input */
6080   {
6081     x = (mx - mSX) / 32;
6082     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6083   }
6084   else if (dx || dy)    /* keyboard input */
6085   {
6086     if (dx && choice == 0)
6087       x = (dx < 0 ? 10 : 12);
6088     else if ((dx && choice == 1) ||
6089              (dx == +1 && choice == 2) ||
6090              (dx == -1 && choice == pos_end))
6091       button = MB_MENU_CHOICE;
6092     else if (dy)
6093       y = choice + dy;
6094
6095     if (y >= pos_empty1 && y <= pos_empty2)
6096       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6097   }
6098
6099   if (y == 0 && dx != 0 && button)
6100   {
6101     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6102   }
6103   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6104            y >= pos_start && y <= pos_end &&
6105            !(y >= pos_empty1 && y <= pos_empty2))
6106   {
6107     if (button)
6108     {
6109       if (y != choice)
6110       {
6111         DrawCursorAndText_Setup(choice, -1, FALSE);
6112         DrawCursorAndText_Setup(y, -1, TRUE);
6113
6114         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6115
6116         choice = y;
6117       }
6118     }
6119     else
6120     {
6121       if (y == 1)
6122       {
6123         char *device_name = setup.input[input_player_nr].joy.device_name;
6124
6125         if (!setup.input[input_player_nr].use_joystick)
6126         {
6127           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6128
6129           setJoystickDeviceToNr(device_name, new_device_nr);
6130           setup.input[input_player_nr].use_joystick = TRUE;
6131         }
6132         else
6133         {
6134           int device_nr = getJoystickNrFromDeviceName(device_name);
6135           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6136
6137           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6138             setup.input[input_player_nr].use_joystick = FALSE;
6139           else
6140             setJoystickDeviceToNr(device_name, new_device_nr);
6141         }
6142
6143         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6144       }
6145       else if (y == 2)
6146       {
6147         if (setup.input[input_player_nr].use_joystick)
6148         {
6149           InitJoysticks();
6150           CalibrateJoystick(input_player_nr);
6151         }
6152         else
6153           CustomizeKeyboard(input_player_nr);
6154       }
6155       else if (y == pos_end)
6156       {
6157         InitJoysticks();
6158
6159         FadeSetLeaveMenu();
6160
6161         setup_mode = SETUP_MODE_MAIN;
6162         DrawSetupScreen();
6163       }
6164     }
6165   }
6166 }
6167
6168 void CustomizeKeyboard(int player_nr)
6169 {
6170   int i;
6171   int step_nr;
6172   boolean finished = FALSE;
6173   static struct SetupKeyboardInfo custom_key;
6174   static struct
6175   {
6176     Key *key;
6177     char *text;
6178   } customize_step[] =
6179   {
6180     { &custom_key.left,  "Move Left"    },
6181     { &custom_key.right, "Move Right"   },
6182     { &custom_key.up,    "Move Up"      },
6183     { &custom_key.down,  "Move Down"    },
6184     { &custom_key.snap,  "Snap Field"   },
6185     { &custom_key.drop,  "Drop Element" }
6186   };
6187
6188   /* read existing key bindings from player setup */
6189   custom_key = setup.input[player_nr].key;
6190
6191   FadeSetEnterMenu();
6192   FadeOut(REDRAW_FIELD);
6193
6194   ClearField();
6195
6196   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6197
6198   step_nr = 0;
6199   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6200            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6201   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6202            "Key:", FONT_INPUT_1_ACTIVE);
6203   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6204            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6205
6206   FadeIn(REDRAW_FIELD);
6207
6208   InitAnimation();
6209
6210   while (!finished)
6211   {
6212     if (PendingEvent())         /* got event */
6213     {
6214       Event event;
6215
6216       NextEvent(&event);
6217
6218       switch (event.type)
6219       {
6220         case EVENT_KEYPRESS:
6221           {
6222             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6223
6224             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6225             {
6226               if (key == KSYM_Escape)
6227                 FadeSkipNextFadeIn();
6228
6229               finished = TRUE;
6230               break;
6231             }
6232
6233             /* all keys configured -- wait for "Escape" or "Return" key */
6234             if (step_nr == 6)
6235               break;
6236
6237             /* press 'Enter' to keep the existing key binding */
6238             if (key == KSYM_Return)
6239               key = *customize_step[step_nr].key;
6240
6241             /* check if key already used */
6242             for (i = 0; i < step_nr; i++)
6243               if (*customize_step[i].key == key)
6244                 break;
6245             if (i < step_nr)
6246               break;
6247
6248             /* got new key binding */
6249             *customize_step[step_nr].key = key;
6250             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6251                      "             ", FONT_VALUE_1);
6252             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6253                      getKeyNameFromKey(key), FONT_VALUE_1);
6254             step_nr++;
6255
6256             /* un-highlight last query */
6257             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6258                      customize_step[step_nr - 1].text, FONT_MENU_1);
6259             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6260                      "Key:", FONT_MENU_1);
6261
6262             /* press 'Enter' to leave */
6263             if (step_nr == 6)
6264             {
6265               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6266                        "Press Enter", FONT_TITLE_1);
6267               break;
6268             }
6269
6270             /* query next key binding */
6271             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6272                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6273             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6274                      "Key:", FONT_INPUT_1_ACTIVE);
6275             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6276                      getKeyNameFromKey(*customize_step[step_nr].key),
6277                      FONT_VALUE_OLD);
6278           }
6279           break;
6280
6281         case EVENT_KEYRELEASE:
6282           key_joystick_mapping = 0;
6283           break;
6284
6285         default:
6286           HandleOtherEvents(&event);
6287           break;
6288       }
6289     }
6290
6291     DoAnimation();
6292     BackToFront();
6293
6294     /* don't eat all CPU time */
6295     Delay(10);
6296   }
6297
6298   /* write new key bindings back to player setup */
6299   setup.input[player_nr].key = custom_key;
6300
6301   StopAnimation();
6302   DrawSetupScreen_Input();
6303 }
6304
6305 static boolean CalibrateJoystickMain(int player_nr)
6306 {
6307   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6308   int new_joystick_xright = JOYSTICK_XMIDDLE;
6309   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6310   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6311   int new_joystick_xmiddle, new_joystick_ymiddle;
6312
6313   int joystick_fd = joystick.fd[player_nr];
6314   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6315   boolean check[3][3];
6316   int check_remaining = 3 * 3;
6317   int joy_x, joy_y;
6318   int joy_value;
6319   int result = -1;
6320
6321   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6322     return FALSE;
6323
6324   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6325     return FALSE;
6326
6327   FadeSetEnterMenu();
6328   FadeOut(REDRAW_FIELD);
6329
6330   ClearField();
6331
6332   for (y = 0; y < 3; y++)
6333   {
6334     for (x = 0; x < 3; x++)
6335     {
6336       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6337       check[x][y] = FALSE;
6338     }
6339   }
6340
6341   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6342   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6343   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6344   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6345   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6346   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6347   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6348
6349   joy_value = Joystick(player_nr);
6350   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6351   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6352
6353   /* eventually uncalibrated center position (joystick could be uncentered) */
6354   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6355     return FALSE;
6356
6357   new_joystick_xmiddle = joy_x;
6358   new_joystick_ymiddle = joy_y;
6359
6360   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6361
6362   FadeIn(REDRAW_FIELD);
6363
6364   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6365   InitAnimation();
6366
6367   while (result < 0)
6368   {
6369     if (PendingEvent())         /* got event */
6370     {
6371       Event event;
6372
6373       NextEvent(&event);
6374
6375       switch (event.type)
6376       {
6377         case EVENT_KEYPRESS:
6378           switch (GetEventKey((KeyEvent *)&event, TRUE))
6379           {
6380             case KSYM_Return:
6381               if (check_remaining == 0)
6382                 result = 1;
6383               break;
6384
6385             case KSYM_Escape:
6386               FadeSkipNextFadeIn();
6387               result = 0;
6388               break;
6389
6390             default:
6391               break;
6392           }
6393           break;
6394
6395         case EVENT_KEYRELEASE:
6396           key_joystick_mapping = 0;
6397           break;
6398
6399         default:
6400           HandleOtherEvents(&event);
6401           break;
6402       }
6403     }
6404
6405     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6406       return FALSE;
6407
6408     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6409     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6410     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6411     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6412
6413     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6414     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6415     setup.input[player_nr].joy.xright = new_joystick_xright;
6416     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6417     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6418     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6419
6420     CheckJoystickData();
6421
6422     joy_value = Joystick(player_nr);
6423
6424     if (joy_value & JOY_BUTTON && check_remaining == 0)
6425       result = 1;
6426
6427     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6428     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6429
6430     if (x != last_x || y != last_y)
6431     {
6432       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6433                        IMG_MENU_CALIBRATE_YELLOW, 0);
6434       DrawFixedGraphic(xpos + x,      ypos + y,
6435                        IMG_MENU_CALIBRATE_RED,    0);
6436
6437       last_x = x;
6438       last_y = y;
6439
6440       if (check_remaining > 0 && !check[x+1][y+1])
6441       {
6442         check[x+1][y+1] = TRUE;
6443         check_remaining--;
6444       }
6445     }
6446
6447     DoAnimation();
6448     BackToFront();
6449
6450     /* don't eat all CPU time */
6451     Delay(10);
6452   }
6453
6454   /* calibrated center position (joystick should now be centered) */
6455   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6456     return FALSE;
6457
6458   new_joystick_xmiddle = joy_x;
6459   new_joystick_ymiddle = joy_y;
6460
6461   StopAnimation();
6462
6463   /* wait until the last pressed button was released */
6464   while (Joystick(player_nr) & JOY_BUTTON)
6465   {
6466     if (PendingEvent())         /* got event */
6467     {
6468       Event event;
6469
6470       NextEvent(&event);
6471       HandleOtherEvents(&event);
6472
6473       Delay(10);
6474     }
6475   }
6476
6477   return TRUE;
6478 }
6479
6480 void CalibrateJoystick(int player_nr)
6481 {
6482   if (!CalibrateJoystickMain(player_nr))
6483   {
6484     char *device_name = setup.input[player_nr].joy.device_name;
6485     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6486     int xpos = mSX - SX;
6487     int ypos = mSY - SY;
6488
6489     ClearField();
6490
6491     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6492     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6493     BackToFront();
6494
6495     Delay(2000);                /* show error message for a short time */
6496
6497     ClearEventQueue();
6498   }
6499
6500   DrawSetupScreen_Input();
6501 }
6502
6503 void DrawSetupScreen()
6504 {
6505   DeactivateJoystick();
6506
6507   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6508
6509   if (setup_mode == SETUP_MODE_INPUT)
6510     DrawSetupScreen_Input();
6511   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6512     DrawChooseTree(&game_speed_current);
6513   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6514     DrawChooseTree(&scroll_delay_current);
6515   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6516     DrawChooseTree(&snapshot_mode_current);
6517   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6518     DrawChooseTree(&screen_mode_current);
6519   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6520     DrawChooseTree(&window_size_current);
6521   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6522     DrawChooseTree(&scaling_type_current);
6523   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6524     DrawChooseTree(&artwork.gfx_current);
6525   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6526     DrawChooseTree(&artwork.snd_current);
6527   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6528     DrawChooseTree(&artwork.mus_current);
6529   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6530     DrawChooseTree(&volume_simple_current);
6531   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6532     DrawChooseTree(&volume_loops_current);
6533   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6534     DrawChooseTree(&volume_music_current);
6535   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6536     DrawChooseTree(&touch_control_current);
6537   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6538     DrawChooseTree(&move_distance_current);
6539   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6540     DrawChooseTree(&drop_distance_current);
6541   else
6542     DrawSetupScreen_Generic();
6543
6544   PlayMenuSound();
6545   PlayMenuMusic();
6546 }
6547
6548 void RedrawSetupScreenAfterFullscreenToggle()
6549 {
6550   if (setup_mode == SETUP_MODE_GRAPHICS ||
6551       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6552   {
6553     // update list selection from "setup.window_scaling_percent"
6554     execSetupGraphics_setWindowSizes(TRUE);
6555
6556     DrawSetupScreen();
6557   }
6558 }
6559
6560 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6561 {
6562   if (setup_mode == SETUP_MODE_INPUT)
6563     HandleSetupScreen_Input(mx, my, dx, dy, button);
6564   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6565     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6566   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6567     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6568   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6569     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6570   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6571     HandleChooseTree(mx, my, dx, dy, button, &screen_mode_current);
6572   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6573     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6574   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6575     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6576   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6577     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6578   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6579     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6580   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6581     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6582   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6583     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6584   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6585     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6586   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6587     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6588   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6589     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6590   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6591     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6592   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6593     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6594   else
6595     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6596 }
6597
6598 void HandleGameActions()
6599 {
6600   if (game_status != GAME_MODE_PLAYING)
6601     return;
6602
6603   GameActions();        /* main game loop */
6604
6605   if (tape.auto_play && !tape.playing)
6606     AutoPlayTape();     /* continue automatically playing next tape */
6607 }
6608
6609
6610 /* ---------- new screen button stuff -------------------------------------- */
6611
6612 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6613 {
6614   switch (gadget_id)
6615   {
6616     case SCREEN_CTRL_ID_PREV_LEVEL:
6617       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6618       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6619       break;
6620
6621     case SCREEN_CTRL_ID_NEXT_LEVEL:
6622       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6623       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6624       break;
6625
6626     case SCREEN_CTRL_ID_PREV_PLAYER:
6627       *x = mSX + TILEX * 10;
6628       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6629       break;
6630
6631     case SCREEN_CTRL_ID_NEXT_PLAYER:
6632       *x = mSX + TILEX * 12;
6633       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6634       break;
6635
6636     default:
6637       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6638   }
6639 }
6640
6641 static struct
6642 {
6643   int gfx_unpressed, gfx_pressed;
6644   void (*get_gadget_position)(int *, int *, int);
6645   int gadget_id;
6646   int screen_mask;
6647   char *infotext;
6648 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6649 {
6650   {
6651     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6652     getScreenMenuButtonPos,
6653     SCREEN_CTRL_ID_PREV_LEVEL,
6654     SCREEN_MASK_MAIN,
6655     "last level"
6656   },
6657   {
6658     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6659     getScreenMenuButtonPos,
6660     SCREEN_CTRL_ID_NEXT_LEVEL,
6661     SCREEN_MASK_MAIN,
6662     "next level"
6663   },
6664   {
6665     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6666     getScreenMenuButtonPos,
6667     SCREEN_CTRL_ID_PREV_PLAYER,
6668     SCREEN_MASK_INPUT,
6669     "last player"
6670   },
6671   {
6672     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6673     getScreenMenuButtonPos,
6674     SCREEN_CTRL_ID_NEXT_PLAYER,
6675     SCREEN_MASK_INPUT,
6676     "next player"
6677   },
6678 };
6679
6680 static struct
6681 {
6682   int gfx_unpressed, gfx_pressed;
6683   int x, y;
6684   int gadget_id;
6685   char *infotext;
6686 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6687 {
6688   {
6689     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6690     -1, -1,     /* these values are not constant, but can change at runtime */
6691     SCREEN_CTRL_ID_SCROLL_UP,
6692     "scroll up"
6693   },
6694   {
6695     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6696     -1, -1,     /* these values are not constant, but can change at runtime */
6697     SCREEN_CTRL_ID_SCROLL_DOWN,
6698     "scroll down"
6699   }
6700 };
6701
6702 static struct
6703 {
6704   int gfx_unpressed, gfx_pressed;
6705   int x, y;
6706   int width, height;
6707   int type;
6708   int gadget_id;
6709   char *infotext;
6710 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6711 {
6712   {
6713     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6714     -1, -1,     /* these values are not constant, but can change at runtime */
6715     -1, -1,     /* these values are not constant, but can change at runtime */
6716     GD_TYPE_SCROLLBAR_VERTICAL,
6717     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6718     "scroll level series vertically"
6719   }
6720 };
6721
6722 static void CreateScreenMenubuttons()
6723 {
6724   struct GadgetInfo *gi;
6725   unsigned int event_mask;
6726   int i;
6727
6728   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6729   {
6730     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6731     int gfx_unpressed, gfx_pressed;
6732     int x, y, width, height;
6733     int gd_x1, gd_x2, gd_y1, gd_y2;
6734     int id = menubutton_info[i].gadget_id;
6735
6736     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6737
6738     menubutton_info[i].get_gadget_position(&x, &y, id);
6739
6740     width = SC_MENUBUTTON_XSIZE;
6741     height = SC_MENUBUTTON_YSIZE;
6742
6743     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6744     gfx_pressed   = menubutton_info[i].gfx_pressed;
6745     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6746     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6747     gd_x1 = graphic_info[gfx_unpressed].src_x;
6748     gd_y1 = graphic_info[gfx_unpressed].src_y;
6749     gd_x2 = graphic_info[gfx_pressed].src_x;
6750     gd_y2 = graphic_info[gfx_pressed].src_y;
6751
6752     gi = CreateGadget(GDI_CUSTOM_ID, id,
6753                       GDI_CUSTOM_TYPE_ID, i,
6754                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6755                       GDI_X, x,
6756                       GDI_Y, y,
6757                       GDI_WIDTH, width,
6758                       GDI_HEIGHT, height,
6759                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6760                       GDI_STATE, GD_BUTTON_UNPRESSED,
6761                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6762                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6763                       GDI_DIRECT_DRAW, FALSE,
6764                       GDI_EVENT_MASK, event_mask,
6765                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6766                       GDI_END);
6767
6768     if (gi == NULL)
6769       Error(ERR_EXIT, "cannot create gadget");
6770
6771     screen_gadget[id] = gi;
6772   }
6773 }
6774
6775 static void CreateScreenScrollbuttons()
6776 {
6777   struct GadgetInfo *gi;
6778   unsigned int event_mask;
6779   int i;
6780
6781   /* these values are not constant, but can change at runtime */
6782   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6783   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6784   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6785   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6786
6787   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6788   {
6789     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6790     int gfx_unpressed, gfx_pressed;
6791     int x, y, width, height;
6792     int gd_x1, gd_x2, gd_y1, gd_y2;
6793     int id = scrollbutton_info[i].gadget_id;
6794
6795     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6796
6797     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6798     y = mSY + scrollbutton_info[i].y;
6799     width = SC_SCROLLBUTTON_XSIZE;
6800     height = SC_SCROLLBUTTON_YSIZE;
6801
6802     /* correct scrollbar position if placed outside menu (playfield) area */
6803     if (x > SX + SC_SCROLL_UP_XPOS)
6804       x = SX + SC_SCROLL_UP_XPOS;
6805
6806     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6807       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6808                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6809
6810     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6811     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6812     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6813     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6814     gd_x1 = graphic_info[gfx_unpressed].src_x;
6815     gd_y1 = graphic_info[gfx_unpressed].src_y;
6816     gd_x2 = graphic_info[gfx_pressed].src_x;
6817     gd_y2 = graphic_info[gfx_pressed].src_y;
6818
6819     gi = CreateGadget(GDI_CUSTOM_ID, id,
6820                       GDI_CUSTOM_TYPE_ID, i,
6821                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6822                       GDI_X, x,
6823                       GDI_Y, y,
6824                       GDI_WIDTH, width,
6825                       GDI_HEIGHT, height,
6826                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6827                       GDI_STATE, GD_BUTTON_UNPRESSED,
6828                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6829                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6830                       GDI_DIRECT_DRAW, FALSE,
6831                       GDI_EVENT_MASK, event_mask,
6832                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6833                       GDI_END);
6834
6835     if (gi == NULL)
6836       Error(ERR_EXIT, "cannot create gadget");
6837
6838     screen_gadget[id] = gi;
6839   }
6840 }
6841
6842 static void CreateScreenScrollbars()
6843 {
6844   int i;
6845
6846   /* these values are not constant, but can change at runtime */
6847   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6848   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6849   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6850   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6851
6852   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6853   {
6854     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6855     int gfx_unpressed, gfx_pressed;
6856     int x, y, width, height;
6857     int gd_x1, gd_x2, gd_y1, gd_y2;
6858     struct GadgetInfo *gi;
6859     int items_max, items_visible, item_position;
6860     unsigned int event_mask;
6861     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6862     int id = scrollbar_info[i].gadget_id;
6863
6864     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6865
6866     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6867     y = mSY + scrollbar_info[i].y;
6868     width  = scrollbar_info[i].width;
6869     height = scrollbar_info[i].height;
6870
6871     /* correct scrollbar position if placed outside menu (playfield) area */
6872     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6873       x = SX + SC_SCROLL_VERTICAL_XPOS;
6874
6875     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6876       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6877
6878     items_max = num_page_entries;
6879     items_visible = num_page_entries;
6880     item_position = 0;
6881
6882     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6883     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6884     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6885     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6886     gd_x1 = graphic_info[gfx_unpressed].src_x;
6887     gd_y1 = graphic_info[gfx_unpressed].src_y;
6888     gd_x2 = graphic_info[gfx_pressed].src_x;
6889     gd_y2 = graphic_info[gfx_pressed].src_y;
6890
6891     gi = CreateGadget(GDI_CUSTOM_ID, id,
6892                       GDI_CUSTOM_TYPE_ID, i,
6893                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6894                       GDI_X, x,
6895                       GDI_Y, y,
6896                       GDI_WIDTH, width,
6897                       GDI_HEIGHT, height,
6898                       GDI_TYPE, scrollbar_info[i].type,
6899                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6900                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6901                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6902                       GDI_WHEEL_AREA_X, SX,
6903                       GDI_WHEEL_AREA_Y, SY,
6904                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6905                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6906                       GDI_STATE, GD_BUTTON_UNPRESSED,
6907                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6908                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6909                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6910                       GDI_DIRECT_DRAW, FALSE,
6911                       GDI_EVENT_MASK, event_mask,
6912                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6913                       GDI_END);
6914
6915     if (gi == NULL)
6916       Error(ERR_EXIT, "cannot create gadget");
6917
6918     screen_gadget[id] = gi;
6919   }
6920 }
6921
6922 void CreateScreenGadgets()
6923 {
6924   int last_game_status = game_status;   /* save current game status */
6925
6926   CreateScreenMenubuttons();
6927
6928   CreateScreenScrollbuttons();
6929   CreateScreenScrollbars();
6930
6931   game_status = last_game_status;       /* restore current game status */
6932 }
6933
6934 void FreeScreenGadgets()
6935 {
6936   int i;
6937
6938   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6939     FreeGadget(screen_gadget[i]);
6940 }
6941
6942 void MapScreenMenuGadgets(int screen_mask)
6943 {
6944   int i;
6945
6946   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6947     if (screen_mask & menubutton_info[i].screen_mask)
6948       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6949 }
6950
6951 void MapScreenGadgets(int num_entries)
6952 {
6953   int i;
6954
6955   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6956     return;
6957
6958   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6959     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6960
6961   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6962     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6963 }
6964
6965 void MapScreenTreeGadgets(TreeInfo *ti)
6966 {
6967   MapScreenGadgets(numTreeInfoInGroup(ti));
6968 }
6969
6970 static void HandleScreenGadgets(struct GadgetInfo *gi)
6971 {
6972   int id = gi->custom_id;
6973   int button = gi->event.button;
6974   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6975
6976   switch (id)
6977   {
6978     case SCREEN_CTRL_ID_PREV_LEVEL:
6979       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6980       break;
6981
6982     case SCREEN_CTRL_ID_NEXT_LEVEL:
6983       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6984       break;
6985
6986     case SCREEN_CTRL_ID_PREV_PLAYER:
6987       HandleSetupScreen_Input_Player(step, -1);
6988       break;
6989
6990     case SCREEN_CTRL_ID_NEXT_PLAYER:
6991       HandleSetupScreen_Input_Player(step, +1);
6992       break;
6993
6994     case SCREEN_CTRL_ID_SCROLL_UP:
6995       if (game_status == GAME_MODE_LEVELS)
6996         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6997       else if (game_status == GAME_MODE_LEVELNR)
6998         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6999       else if (game_status == GAME_MODE_SETUP)
7000         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7001       else if (game_status == GAME_MODE_INFO)
7002         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7003       break;
7004
7005     case SCREEN_CTRL_ID_SCROLL_DOWN:
7006       if (game_status == GAME_MODE_LEVELS)
7007         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7008       else if (game_status == GAME_MODE_LEVELNR)
7009         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7010       else if (game_status == GAME_MODE_SETUP)
7011         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7012       else if (game_status == GAME_MODE_INFO)
7013         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7014       break;
7015
7016     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7017       if (game_status == GAME_MODE_LEVELS)
7018         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7019       else if (game_status == GAME_MODE_LEVELNR)
7020         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7021       else if (game_status == GAME_MODE_SETUP)
7022         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7023       else if (game_status == GAME_MODE_INFO)
7024         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7025       break;
7026
7027     default:
7028       break;
7029   }
7030 }