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 void DrawTitleScreenImage(int nr, boolean initial)
1256 {
1257   int graphic = getTitleScreenGraphic(nr, initial);
1258   Bitmap *bitmap = graphic_info[graphic].bitmap;
1259   int width  = graphic_info[graphic].width;
1260   int height = graphic_info[graphic].height;
1261   int src_x = graphic_info[graphic].src_x;
1262   int src_y = graphic_info[graphic].src_y;
1263   int dst_x, dst_y;
1264
1265   if (bitmap == NULL)
1266     return;
1267
1268   if (width > WIN_XSIZE)
1269   {
1270     /* image width too large for window => center image horizontally */
1271     src_x = (width - WIN_XSIZE) / 2;
1272     width = WIN_XSIZE;
1273   }
1274
1275   if (height > WIN_YSIZE)
1276   {
1277     /* image height too large for window => center image vertically */
1278     src_y = (height - WIN_YSIZE) / 2;
1279     height = WIN_YSIZE;
1280   }
1281
1282   /* always display title screens centered */
1283   dst_x = (WIN_XSIZE - width) / 2;
1284   dst_y = (WIN_YSIZE - height) / 2;
1285
1286   SetDrawBackgroundMask(REDRAW_ALL);
1287   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1288
1289   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1290
1291   if (DrawingOnBackground(dst_x, dst_y))
1292     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1293   else
1294     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1295
1296   redraw_mask = REDRAW_ALL;
1297 }
1298
1299 void DrawTitleScreenMessage(int nr, boolean initial)
1300 {
1301   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1302   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1303   int last_game_status = game_status;   /* save current game status */
1304
1305   if (filename == NULL)
1306     return;
1307
1308   /* force TITLE font on title message screen */
1309   game_status = getTitleMessageGameMode(initial);
1310
1311   /* if chars *and* width set to "-1", automatically determine width */
1312   if (tmi->chars == -1 && tmi->width == -1)
1313     tmi->width = viewport.window[game_status].width;
1314
1315   /* if lines *and* height set to "-1", automatically determine height */
1316   if (tmi->lines == -1 && tmi->height == -1)
1317     tmi->height = viewport.window[game_status].height;
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   /* if x set to "-1", automatically determine by width and alignment */
1332   if (tmi->x == -1)
1333     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1334
1335   /* if y set to "-1", automatically determine by height and alignment */
1336   if (tmi->y == -1)
1337     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1338
1339   SetDrawBackgroundMask(REDRAW_ALL);
1340   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1341
1342   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1343
1344   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1345                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1346                tmi->autowrap, tmi->centered, tmi->parse_comments);
1347
1348   game_status = last_game_status;       /* restore current game status */
1349 }
1350
1351 void DrawTitleScreen()
1352 {
1353   KeyboardAutoRepeatOff();
1354
1355   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1356
1357   StopAnimation();
1358 }
1359
1360 boolean CheckTitleScreen(boolean levelset_has_changed)
1361 {
1362   static boolean show_title_initial = TRUE;
1363   boolean show_titlescreen = FALSE;
1364
1365   /* needed to be able to skip title screen, if no image or message defined */
1366   InitializeTitleControls(show_title_initial);
1367
1368   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1369     show_titlescreen = TRUE;
1370
1371   /* show initial title images and messages only once at program start */
1372   show_title_initial = FALSE;
1373
1374   return (show_titlescreen && num_title_screens > 0);
1375 }
1376
1377 void DrawMainMenu()
1378 {
1379   static LevelDirTree *leveldir_last_valid = NULL;
1380   boolean levelset_has_changed = FALSE;
1381   int fade_mask = REDRAW_FIELD;
1382
1383   LimitScreenUpdates(FALSE);
1384
1385   FadeSetLeaveScreen();
1386
1387   /* do not fade out here -- function may continue and fade on editor screen */
1388
1389   UnmapAllGadgets();
1390   FadeSoundsAndMusic();
1391
1392   KeyboardAutoRepeatOn();
1393   ActivateJoystick();
1394
1395   audio.sound_deactivated = FALSE;
1396
1397   GetPlayerConfig();
1398
1399   /* needed if last screen was the playing screen, invoked from level editor */
1400   if (level_editor_test_game)
1401   {
1402     game_status = GAME_MODE_EDITOR;
1403     DrawLevelEd();
1404
1405     return;
1406   }
1407
1408   /* needed if last screen was the setup screen and fullscreen state changed */
1409   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1410   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1411
1412   /* leveldir_current may be invalid (level group, parent link) */
1413   if (!validLevelSeries(leveldir_current))
1414     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1415
1416   if (leveldir_current != leveldir_last_valid)
1417     levelset_has_changed = TRUE;
1418
1419   /* store valid level series information */
1420   leveldir_last_valid = leveldir_current;
1421
1422   init_last = init;                     /* switch to new busy animation */
1423
1424   /* needed if last screen (level choice) changed graphics, sounds or music */
1425   ReloadCustomArtwork(0);
1426
1427   /* needed if different viewport properties defined for menues */
1428   ChangeViewportPropertiesIfNeeded();
1429
1430   if (redraw_mask & REDRAW_ALL)
1431     fade_mask = REDRAW_ALL;
1432
1433   if (CheckIfGlobalBorderHasChanged())
1434     fade_mask = REDRAW_ALL;
1435
1436   FadeOut(fade_mask);
1437
1438   /* needed if last screen was the editor screen */
1439   UndrawSpecialEditorDoor();
1440
1441   SetDrawtoField(DRAW_BACKBUFFER);
1442
1443   if (CheckTitleScreen(levelset_has_changed))
1444   {
1445     game_status_last_screen = GAME_MODE_MAIN;
1446     game_status = GAME_MODE_TITLE;
1447
1448     DrawTitleScreen();
1449
1450     return;
1451   }
1452
1453   /* level_nr may have been set to value over handicap with level editor */
1454   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1455     level_nr = leveldir_current->handicap_level;
1456
1457   LoadLevel(level_nr);
1458   LoadScore(level_nr);
1459
1460   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1461   SetDrawDeactivationMask(REDRAW_NONE);
1462   SetDrawBackgroundMask(REDRAW_FIELD);
1463
1464   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1465
1466 #if 0
1467   if (fade_mask == REDRAW_ALL)
1468     RedrawGlobalBorder();
1469 #endif
1470
1471   ClearField();
1472
1473   InitializeMainControls();
1474
1475   DrawCursorAndText_Main(-1, FALSE, FALSE);
1476   DrawPreviewLevelInitial();
1477
1478   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1479
1480   TapeStop();
1481   if (TAPE_IS_EMPTY(tape))
1482     LoadTape(level_nr);
1483   DrawCompleteVideoDisplay();
1484
1485   PlayMenuSound();
1486   PlayMenuMusic();
1487
1488   /* create gadgets for main menu screen */
1489   FreeScreenGadgets();
1490   CreateScreenGadgets();
1491
1492   /* map gadgets for main menu screen */
1493   MapTapeButtons();
1494   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1495
1496   /* copy actual game door content to door double buffer for OpenDoor() */
1497   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1498   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1499
1500   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1501
1502   DrawMaskedBorder(fade_mask);
1503
1504   FadeIn(fade_mask);
1505   FadeSetEnterMenu();
1506
1507   /* update screen area with special editor door */
1508   redraw_mask |= REDRAW_ALL;
1509   BackToFront();
1510
1511   SetMouseCursor(CURSOR_DEFAULT);
1512
1513   InitAnimation();
1514
1515   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1516 }
1517
1518 static void gotoTopLevelDir()
1519 {
1520   /* move upwards until inside (but not above) top level directory */
1521   while (leveldir_current->node_parent &&
1522          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1523   {
1524     /* write a "path" into level tree for easy navigation to last level */
1525     if (leveldir_current->node_parent->node_group->cl_first == -1)
1526     {
1527       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1528       int leveldir_pos = posTreeInfo(leveldir_current);
1529       int num_page_entries;
1530       int cl_first, cl_cursor;
1531
1532       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1533         num_page_entries = num_leveldirs;
1534       else
1535         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1536
1537       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1538       cl_cursor = leveldir_pos - cl_first;
1539
1540       leveldir_current->node_parent->node_group->cl_first = cl_first;
1541       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1542     }
1543
1544     leveldir_current = leveldir_current->node_parent;
1545   }
1546 }
1547
1548 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1549 {
1550   static unsigned int title_delay = 0;
1551   static int title_screen_nr = 0;
1552   static int last_sound = -1, last_music = -1;
1553   boolean return_to_main_menu = FALSE;
1554   struct TitleControlInfo *tci;
1555   int sound, music;
1556
1557   if (button == MB_MENU_INITIALIZE)
1558   {
1559     title_delay = 0;
1560     title_screen_nr = 0;
1561     tci = &title_controls[title_screen_nr];
1562
1563     last_sound = SND_UNDEFINED;
1564     last_music = MUS_UNDEFINED;
1565
1566     FadeSetEnterScreen();
1567
1568     if (game_status_last_screen == GAME_MODE_INFO)
1569     {
1570       if (num_title_screens == 0)
1571       {
1572         DrawInfoScreen_NotAvailable("Title screen information:",
1573                                     "No title screen for this level set.");
1574
1575         return;
1576       }
1577
1578       FadeSoundsAndMusic();
1579
1580       FadeOut(REDRAW_ALL);
1581     }
1582
1583     /* only required to update logic for redrawing global border */
1584     ClearField();
1585
1586     /* title screens may have different window size */
1587     ChangeViewportPropertiesIfNeeded();
1588
1589     if (tci->is_image)
1590       DrawTitleScreenImage(tci->local_nr, tci->initial);
1591     else
1592       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1593
1594     sound = getTitleSound(tci);
1595     music = getTitleMusic(tci);
1596
1597     if (sound != last_sound)
1598       PlayMenuSoundExt(sound);
1599     if (music != last_music)
1600       PlayMenuMusicExt(music);
1601
1602     last_sound = sound;
1603     last_music = music;
1604
1605     SetMouseCursor(CURSOR_NONE);
1606
1607     FadeIn(REDRAW_ALL);
1608
1609     DelayReached(&title_delay, 0);      /* reset delay counter */
1610
1611     return;
1612   }
1613
1614   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1615     button = MB_MENU_CHOICE;
1616
1617   if (button == MB_MENU_LEAVE)
1618   {
1619     return_to_main_menu = TRUE;
1620   }
1621   else if (button == MB_MENU_CHOICE)
1622   {
1623     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1624     {
1625       FadeSetEnterScreen();
1626
1627       game_status = GAME_MODE_INFO;
1628       info_mode = INFO_MODE_MAIN;
1629
1630       DrawInfoScreen();
1631
1632       return;
1633     }
1634
1635     title_screen_nr++;
1636     tci = &title_controls[title_screen_nr];
1637
1638     if (title_screen_nr < num_title_screens)
1639     {
1640       sound = getTitleSound(tci);
1641       music = getTitleMusic(tci);
1642
1643       if (sound == SND_UNDEFINED || sound != last_sound)
1644         FadeSounds();
1645       if (music == MUS_UNDEFINED || music != last_music)
1646         FadeMusic();
1647
1648       fading = getTitleFading(tci);
1649
1650       FadeOut(REDRAW_ALL);
1651
1652       if (tci->is_image)
1653         DrawTitleScreenImage(tci->local_nr, tci->initial);
1654       else
1655         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1656
1657       sound = getTitleSound(tci);
1658       music = getTitleMusic(tci);
1659
1660       if (sound != last_sound)
1661         PlayMenuSoundExt(sound);
1662       if (music != last_music)
1663         PlayMenuMusicExt(music);
1664
1665       last_sound = sound;
1666       last_music = music;
1667
1668       FadeIn(REDRAW_ALL);
1669
1670       DelayReached(&title_delay, 0);    /* reset delay counter */
1671     }
1672     else
1673     {
1674       FadeSoundsAndMusic();
1675
1676       return_to_main_menu = TRUE;
1677     }
1678   }
1679
1680   if (return_to_main_menu)
1681   {
1682     SetMouseCursor(CURSOR_DEFAULT);
1683
1684     /* force full menu screen redraw after displaying title screens */
1685     redraw_mask = REDRAW_ALL;
1686
1687     if (game_status_last_screen == GAME_MODE_INFO)
1688     {
1689       game_status = GAME_MODE_INFO;
1690       info_mode = INFO_MODE_MAIN;
1691
1692       DrawInfoScreen();
1693     }
1694     else        /* default: return to main menu */
1695     {
1696       game_status = GAME_MODE_MAIN;
1697
1698       DrawMainMenu();
1699     }
1700   }
1701 }
1702
1703 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1704 {
1705   int old_level_nr = level_nr;
1706   int new_level_nr;
1707
1708   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1709     new_level_nr = selected_level_nr;
1710   else
1711     new_level_nr = old_level_nr + step * direction;
1712
1713   if (new_level_nr < leveldir_current->first_level)
1714     new_level_nr = leveldir_current->first_level;
1715   if (new_level_nr > leveldir_current->last_level)
1716     new_level_nr = leveldir_current->last_level;
1717
1718   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1719   {
1720     /* skipping levels is only allowed when trying to skip single level */
1721     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1722         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1723     {
1724       leveldir_current->handicap_level++;
1725       SaveLevelSetup_SeriesInfo();
1726     }
1727
1728     new_level_nr = leveldir_current->handicap_level;
1729   }
1730
1731   if (new_level_nr != old_level_nr)
1732   {
1733     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1734
1735     PlaySound(SND_MENU_ITEM_SELECTING);
1736
1737     level_nr = new_level_nr;
1738
1739     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1740              int2str(level_nr, menu.main.text.level_number.size),
1741              mci->pos_text->font);
1742
1743     LoadLevel(level_nr);
1744     DrawPreviewLevelInitial();
1745
1746     TapeErase();
1747     LoadTape(level_nr);
1748     DrawCompleteVideoDisplay();
1749
1750     /* needed because DrawPreviewLevelInitial() takes some time */
1751     BackToFront();
1752     /* SyncDisplay(); */
1753   }
1754 }
1755
1756 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1757 {
1758   static int choice = MAIN_CONTROL_GAME;
1759   static boolean button_pressed_last = FALSE;
1760   boolean button_pressed = FALSE;
1761   int pos = choice;
1762   int i;
1763
1764   if (button == MB_MENU_INITIALIZE)
1765   {
1766     DrawCursorAndText_Main(choice, TRUE, FALSE);
1767
1768     return;
1769   }
1770
1771   if (mx || my)         /* mouse input */
1772   {
1773     pos = -1;
1774
1775     for (i = 0; main_controls[i].nr != -1; i++)
1776     {
1777       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1778           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1779           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1780       {
1781         pos = main_controls[i].nr;
1782
1783         break;
1784       }
1785     }
1786
1787     // handle pressed/unpressed state for active/inactive menu buttons
1788     // (if pos != -1, "i" contains index position corresponding to "pos")
1789     if (button &&
1790         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1791         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1792       button_pressed = TRUE;
1793
1794     if (button_pressed != button_pressed_last)
1795     {
1796       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1797
1798       if (button_pressed)
1799         PlaySound(SND_MENU_BUTTON_PRESSING);
1800       else
1801         PlaySound(SND_MENU_BUTTON_RELEASING);
1802     }
1803   }
1804   else if (dx || dy)    /* keyboard input */
1805   {
1806     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1807                    choice == MAIN_CONTROL_SETUP))
1808       button = MB_MENU_CHOICE;
1809     else if (dy)
1810       pos = choice + dy;
1811   }
1812
1813   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1814   {
1815     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1816   }
1817   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1818   {
1819     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1820   }
1821   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1822   {
1823     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1824   }
1825   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1826   {
1827     StopAnimation();
1828
1829     CloseDoor(DOOR_CLOSE_2);
1830
1831     game_status = GAME_MODE_LEVELNR;
1832
1833     ChangeViewportPropertiesIfNeeded();
1834
1835     DrawChooseLevelNr();
1836   }
1837   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1838   {
1839     if (button)
1840     {
1841       if (pos != choice)
1842       {
1843         PlaySound(SND_MENU_ITEM_ACTIVATING);
1844
1845         DrawCursorAndText_Main(choice, FALSE, FALSE);
1846         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1847
1848         choice = pos;
1849       }
1850     }
1851     else
1852     {
1853       PlaySound(SND_MENU_ITEM_SELECTING);
1854
1855       if (pos == MAIN_CONTROL_NAME)
1856       {
1857         game_status = GAME_MODE_PSEUDO_TYPENAME;
1858
1859         HandleTypeName(strlen(setup.player_name), 0);
1860       }
1861       else if (pos == MAIN_CONTROL_LEVELS)
1862       {
1863         if (leveldir_first)
1864         {
1865           StopAnimation();
1866
1867           CloseDoor(DOOR_CLOSE_2);
1868
1869           game_status = GAME_MODE_LEVELS;
1870
1871           SaveLevelSetup_LastSeries();
1872           SaveLevelSetup_SeriesInfo();
1873
1874           if (setup.internal.choose_from_top_leveldir)
1875             gotoTopLevelDir();
1876
1877           ChangeViewportPropertiesIfNeeded();
1878
1879           DrawChooseLevelSet();
1880         }
1881       }
1882       else if (pos == MAIN_CONTROL_SCORES)
1883       {
1884         StopAnimation();
1885
1886         CloseDoor(DOOR_CLOSE_2);
1887
1888         game_status = GAME_MODE_SCORES;
1889
1890         DrawHallOfFame(-1);
1891       }
1892       else if (pos == MAIN_CONTROL_EDITOR)
1893       {
1894         if (leveldir_current->readonly &&
1895             !strEqual(setup.player_name, "Artsoft"))
1896           Request("This level is read only!", REQ_CONFIRM);
1897
1898         StopAnimation();
1899
1900         CloseDoor(DOOR_CLOSE_2);
1901
1902         game_status = GAME_MODE_EDITOR;
1903
1904         FadeSetEnterScreen();
1905
1906         DrawLevelEd();
1907       }
1908       else if (pos == MAIN_CONTROL_INFO)
1909       {
1910         StopAnimation();
1911
1912         CloseDoor(DOOR_CLOSE_2);
1913
1914         game_status = GAME_MODE_INFO;
1915         info_mode = INFO_MODE_MAIN;
1916
1917         ChangeViewportPropertiesIfNeeded();
1918
1919         DrawInfoScreen();
1920       }
1921       else if (pos == MAIN_CONTROL_GAME)
1922       {
1923         StopAnimation();
1924
1925         StartGameActions(options.network, setup.autorecord, level.random_seed);
1926       }
1927       else if (pos == MAIN_CONTROL_SETUP)
1928       {
1929         StopAnimation();
1930
1931         CloseDoor(DOOR_CLOSE_2);
1932
1933         game_status = GAME_MODE_SETUP;
1934         setup_mode = SETUP_MODE_MAIN;
1935
1936         ChangeViewportPropertiesIfNeeded();
1937
1938         DrawSetupScreen();
1939       }
1940       else if (pos == MAIN_CONTROL_QUIT)
1941       {
1942         SaveLevelSetup_LastSeries();
1943         SaveLevelSetup_SeriesInfo();
1944
1945         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1946           game_status = GAME_MODE_QUIT;
1947       }
1948     }
1949   }
1950
1951   button_pressed_last = button_pressed;
1952 }
1953
1954
1955 /* ========================================================================= */
1956 /* info screen functions                                                     */
1957 /* ========================================================================= */
1958
1959 static struct TokenInfo *info_info;
1960 static int num_info_info;       /* number of info entries shown on screen */
1961 static int max_info_info;       /* total number of info entries in list */
1962
1963 static void execInfoTitleScreen()
1964 {
1965   info_mode = INFO_MODE_TITLE;
1966
1967   DrawInfoScreen();
1968 }
1969
1970 static void execInfoElements()
1971 {
1972   info_mode = INFO_MODE_ELEMENTS;
1973
1974   DrawInfoScreen();
1975 }
1976
1977 static void execInfoMusic()
1978 {
1979   info_mode = INFO_MODE_MUSIC;
1980
1981   DrawInfoScreen();
1982 }
1983
1984 static void execInfoCredits()
1985 {
1986   info_mode = INFO_MODE_CREDITS;
1987
1988   DrawInfoScreen();
1989 }
1990
1991 static void execInfoProgram()
1992 {
1993   info_mode = INFO_MODE_PROGRAM;
1994
1995   DrawInfoScreen();
1996 }
1997
1998 static void execInfoVersion()
1999 {
2000   info_mode = INFO_MODE_VERSION;
2001
2002   DrawInfoScreen();
2003 }
2004
2005 static void execInfoLevelSet()
2006 {
2007   info_mode = INFO_MODE_LEVELSET;
2008
2009   DrawInfoScreen();
2010 }
2011
2012 static void execExitInfo()
2013 {
2014   game_status = GAME_MODE_MAIN;
2015
2016   DrawMainMenu();
2017 }
2018
2019 static struct TokenInfo info_info_main[] =
2020 {
2021   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2022   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2023   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2024   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2025   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2026   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2027   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2028   { TYPE_EMPTY,         NULL,                   ""                      },
2029   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2030
2031   { 0,                  NULL,                   NULL                    }
2032 };
2033
2034 static int getMenuTextFont(int type)
2035 {
2036   if (type & (TYPE_SWITCH       |
2037               TYPE_YES_NO       |
2038               TYPE_YES_NO_AUTO  |
2039               TYPE_STRING       |
2040               TYPE_ECS_AGA      |
2041               TYPE_KEYTEXT      |
2042               TYPE_ENTER_LIST))
2043     return FONT_MENU_2;
2044   else
2045     return FONT_MENU_1;
2046 }
2047
2048 static struct TokenInfo *setup_info;
2049 static struct TokenInfo setup_info_input[];
2050
2051 static struct TokenInfo *menu_info;
2052
2053 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2054                                        int screen_pos, int menu_info_pos_raw,
2055                                        boolean active)
2056 {
2057   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2058   struct TokenInfo *ti = &token_info[pos];
2059   int xpos = MENU_SCREEN_START_XPOS;
2060   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2061   int font_nr = getMenuTextFont(ti->type);
2062
2063   if (token_info == setup_info_input)
2064     font_nr = FONT_MENU_1;
2065
2066   if (active)
2067     font_nr = FONT_ACTIVE(font_nr);
2068
2069   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2070
2071   if (ti->type & ~TYPE_SKIP_ENTRY)
2072     drawCursor(screen_pos, active);
2073 }
2074
2075 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2076                                    boolean active)
2077 {
2078   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2079 }
2080
2081 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2082                                     boolean active)
2083 {
2084   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2085 }
2086
2087 static char *screen_mode_text;
2088 static char *window_size_text;
2089 static char *scaling_type_text;
2090
2091 static void drawSetupValue(int, int);
2092
2093 static void drawMenuInfoList(int first_entry, int num_page_entries,
2094                              int max_page_entries)
2095 {
2096   int i;
2097
2098   if (first_entry + num_page_entries > max_page_entries)
2099     first_entry = 0;
2100
2101   clearMenuListArea();
2102
2103   for (i = 0; i < num_page_entries; i++)
2104   {
2105     int menu_info_pos = first_entry + i;
2106     struct TokenInfo *si = &menu_info[menu_info_pos];
2107     void *value_ptr = si->value;
2108
2109     /* set some entries to "unchangeable" according to other variables */
2110     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2111         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2112         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2113         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2114         (value_ptr == &screen_mode_text   && !video.fullscreen_available) ||
2115         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2116         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2117       si->type |= TYPE_GHOSTED;
2118
2119     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2120       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2121     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2122       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2123     else if (si->type & ~TYPE_SKIP_ENTRY)
2124       initCursor(i, IMG_MENU_BUTTON);
2125
2126     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2127
2128     if (si->type & TYPE_VALUE &&
2129         menu_info == setup_info)
2130       drawSetupValue(i, menu_info_pos);
2131   }
2132 }
2133
2134 static void DrawInfoScreen_Main()
2135 {
2136   int fade_mask = REDRAW_FIELD;
2137   int i;
2138
2139   if (redraw_mask & REDRAW_ALL)
2140     fade_mask = REDRAW_ALL;
2141
2142   if (CheckIfGlobalBorderHasChanged())
2143     fade_mask = REDRAW_ALL;
2144
2145   UnmapAllGadgets();
2146
2147   FreeScreenGadgets();
2148   CreateScreenGadgets();
2149
2150   CloseDoor(DOOR_CLOSE_2);
2151
2152   /* (needed after displaying title screens which disable auto repeat) */
2153   KeyboardAutoRepeatOn();
2154
2155   FadeSetLeaveScreen();
2156
2157   FadeOut(fade_mask);
2158
2159   ChangeViewportPropertiesIfNeeded();
2160
2161   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2162
2163   ClearField();
2164
2165   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2166
2167   info_info = info_info_main;
2168
2169   // determine maximal number of info entries that can be displayed on screen
2170   num_info_info = 0;
2171   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2172     num_info_info++;
2173
2174   // determine maximal number of info entries available for menu of info screen
2175   max_info_info = 0;
2176   for (i = 0; info_info[i].type != 0; i++)
2177     max_info_info++;
2178
2179   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2180
2181   MapScreenGadgets(max_info_info);
2182
2183   PlayMenuSound();
2184   PlayMenuMusic();
2185
2186 #if 1
2187   // needed after returning from title screens with different window size
2188   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2189 #endif
2190
2191   DrawMaskedBorder(fade_mask);
2192
2193   FadeIn(fade_mask);
2194
2195   InitAnimation();
2196 }
2197
2198 static void changeSetupValue(int, int, int);
2199
2200 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2201                       int mode, int num_page_entries, int max_page_entries)
2202 {
2203   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2204   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2205   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2206   int *num_page_entries_last = num_page_entries_all_last[game_status];
2207   int *choice_store = choice_stores[game_status];
2208   int *first_entry_store = first_entry_stores[game_status];
2209   int choice = choice_store[mode];              /* starts with 0 */
2210   int first_entry = first_entry_store[mode];    /* starts with 0 */
2211   int x = 0;
2212   int y = choice - first_entry;
2213   int y_old = y;
2214   boolean position_set_by_scrollbar = (dx == 999);
2215   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2216   int i;
2217
2218   if (button == MB_MENU_INITIALIZE)
2219   {
2220     // check if number of menu page entries has changed (may happen by change
2221     // of custom artwork definition value for 'list_size' for this menu screen)
2222     // (in this case, the last menu position most probably has to be corrected)
2223     if (num_page_entries != num_page_entries_last[mode])
2224     {
2225       choice_store[mode] = first_entry_store[mode] = 0;
2226
2227       choice = first_entry = 0;
2228       y = y_old = 0;
2229
2230       num_page_entries_last[mode] = num_page_entries;
2231     }
2232
2233     /* advance to first valid menu entry */
2234     while (choice < num_page_entries &&
2235            menu_info[choice].type & TYPE_SKIP_ENTRY)
2236       choice++;
2237
2238     if (position_set_by_scrollbar)
2239       first_entry = first_entry_store[mode] = dy;
2240     else
2241       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2242                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2243
2244     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2245
2246     if (choice < first_entry)
2247     {
2248       choice = first_entry;
2249
2250       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2251         choice++;
2252     }
2253     else if (choice > first_entry + num_page_entries - 1)
2254     {
2255       choice = first_entry + num_page_entries - 1;
2256
2257       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2258         choice--;
2259     }
2260
2261     choice_store[mode] = choice;
2262
2263     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2264
2265     return;
2266   }
2267   else if (button == MB_MENU_LEAVE)
2268   {
2269     PlaySound(SND_MENU_ITEM_SELECTING);
2270
2271     for (i = 0; i < max_page_entries; i++)
2272     {
2273       if (menu_info[i].type & TYPE_LEAVE_MENU)
2274       {
2275         void (*menu_callback_function)(void) = menu_info[i].value;
2276
2277         FadeSetLeaveMenu();
2278
2279         menu_callback_function();
2280
2281         break;  /* absolutely needed because function changes 'menu_info'! */
2282       }
2283     }
2284
2285     return;
2286   }
2287
2288   if (mx || my)         /* mouse input */
2289   {
2290     x = (mx - mSX) / 32;
2291     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2292   }
2293   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2294   {
2295     /* move cursor instead of scrolling when already at start/end of list */
2296     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2297       dy = -1;
2298     else if (dy == +1 * SCROLL_LINE &&
2299              first_entry + num_page_entries == max_page_entries)
2300       dy = 1;
2301
2302     /* handle scrolling screen one line or page */
2303     if (y + dy < 0 ||
2304         y + dy > num_page_entries - 1)
2305     {
2306       boolean redraw = FALSE;
2307
2308       if (ABS(dy) == SCROLL_PAGE)
2309         step = num_page_entries - 1;
2310
2311       if (dy < 0 && first_entry > 0)
2312       {
2313         /* scroll page/line up */
2314
2315         first_entry -= step;
2316         if (first_entry < 0)
2317           first_entry = 0;
2318
2319         redraw = TRUE;
2320       }
2321       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2322       {
2323         /* scroll page/line down */
2324
2325         first_entry += step;
2326         if (first_entry + num_page_entries > max_page_entries)
2327           first_entry = MAX(0, max_page_entries - num_page_entries);
2328
2329         redraw = TRUE;
2330       }
2331
2332       if (redraw)
2333       {
2334         choice += first_entry - first_entry_store[mode];
2335
2336         if (choice < first_entry)
2337         {
2338           choice = first_entry;
2339
2340           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2341             choice++;
2342         }
2343         else if (choice > first_entry + num_page_entries - 1)
2344         {
2345           choice = first_entry + num_page_entries - 1;
2346
2347           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2348             choice--;
2349         }
2350         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2351         {
2352           choice += SIGN(dy);
2353
2354           if (choice < first_entry ||
2355               choice > first_entry + num_page_entries - 1)
2356           first_entry += SIGN(dy);
2357         }
2358
2359         first_entry_store[mode] = first_entry;
2360         choice_store[mode] = choice;
2361
2362         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2363
2364         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2365
2366         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2367                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2368       }
2369
2370       return;
2371     }
2372
2373     if (dx)
2374     {
2375       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2376
2377       if (menu_info[choice].type & menu_navigation_type ||
2378           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2379           menu_info[choice].type & TYPE_YES_NO_AUTO)
2380         button = MB_MENU_CHOICE;
2381     }
2382     else if (dy)
2383       y += dy;
2384
2385     /* jump to next non-empty menu entry (up or down) */
2386     while (first_entry + y > 0 &&
2387            first_entry + y < max_page_entries - 1 &&
2388            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2389       y += dy;
2390
2391     if (!IN_VIS_MENU(x, y))
2392     {
2393       choice += y - y_old;
2394
2395       if (choice < first_entry)
2396         first_entry = choice;
2397       else if (choice > first_entry + num_page_entries - 1)
2398         first_entry = choice - num_page_entries + 1;
2399
2400       if (first_entry >= 0 &&
2401           first_entry + num_page_entries <= max_page_entries)
2402       {
2403         first_entry_store[mode] = first_entry;
2404
2405         if (choice < first_entry)
2406           choice = first_entry;
2407         else if (choice > first_entry + num_page_entries - 1)
2408           choice = first_entry + num_page_entries - 1;
2409
2410         choice_store[mode] = choice;
2411
2412         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2413
2414         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2415
2416         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2417                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2418       }
2419
2420       return;
2421     }
2422   }
2423
2424   if (!anyScrollbarGadgetActive() &&
2425       IN_VIS_MENU(x, y) &&
2426       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2427       y >= 0 && y < num_page_entries)
2428   {
2429     if (button)
2430     {
2431       if (first_entry + y != choice &&
2432           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2433       {
2434         PlaySound(SND_MENU_ITEM_ACTIVATING);
2435
2436         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2437         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2438
2439         choice = choice_store[mode] = first_entry + y;
2440       }
2441     }
2442     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2443     {
2444       PlaySound(SND_MENU_ITEM_SELECTING);
2445
2446       /* when selecting key headline, execute function for key value change */
2447       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2448           menu_info[first_entry + y + 1].type & TYPE_KEY)
2449         y++;
2450
2451       /* when selecting string value, execute function for list selection */
2452       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2453           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2454         y--;
2455
2456       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2457       {
2458         void (*menu_callback_function)(void) =
2459           menu_info[first_entry + y].value;
2460
2461         FadeSetFromType(menu_info[first_entry + y].type);
2462
2463         menu_callback_function();
2464       }
2465       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2466                menu_info == setup_info)
2467       {
2468         changeSetupValue(y, first_entry + y, dx);
2469       }
2470     }
2471   }
2472 }
2473
2474 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2475 {
2476   menu_info = info_info;
2477
2478   HandleMenuScreen(mx, my, dx, dy, button,
2479                    info_mode, num_info_info, max_info_info);
2480 }
2481
2482 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2483 {
2484   int ystart1 = mSY - SY + 100;
2485   int ystart2 = mSY - SY + 150;
2486   int ybottom = mSY - SY + SYSIZE - 20;
2487
2488   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2489
2490   FadeOut(REDRAW_FIELD);
2491
2492   ClearField();
2493   DrawHeadline();
2494
2495   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2496   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2497
2498   DrawTextSCentered(ybottom, FONT_TEXT_4,
2499                     "Press any key or button for info menu");
2500
2501   FadeIn(REDRAW_FIELD);
2502 }
2503
2504 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2505 {
2506   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2507   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2508   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2509   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2510   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2511   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2512   int ystep = MENU_SCREEN_INFO_YSTEP;
2513   int element, action, direction;
2514   int graphic;
2515   int delay;
2516   int sync_frame;
2517   int i, j;
2518
2519   if (init)
2520   {
2521     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2522       infoscreen_step[i] = infoscreen_frame[i] = 0;
2523
2524     ClearField();
2525     DrawHeadline();
2526
2527     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2528
2529     DrawTextSCentered(ybottom, FONT_TEXT_4,
2530                       "Press any key or button for next page");
2531
2532     FrameCounter = 0;
2533   }
2534
2535   i = j = 0;
2536   while (helpanim_info[j].element != HELPANIM_LIST_END)
2537   {
2538     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2539         i >= max_anims)
2540       break;
2541     else if (i < start)
2542     {
2543       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2544         j++;
2545
2546       j++;
2547       i++;
2548
2549       continue;
2550     }
2551
2552     j += infoscreen_step[i - start];
2553
2554     element = helpanim_info[j].element;
2555     action = helpanim_info[j].action;
2556     direction = helpanim_info[j].direction;
2557
2558     if (element < 0)
2559       element = EL_UNKNOWN;
2560
2561     if (action != -1 && direction != -1)
2562       graphic = el_act_dir2img(element, action, direction);
2563     else if (action != -1)
2564       graphic = el_act2img(element, action);
2565     else if (direction != -1)
2566       graphic = el_dir2img(element, direction);
2567     else
2568       graphic = el2img(element);
2569
2570     delay = helpanim_info[j++].delay;
2571
2572     if (delay == -1)
2573       delay = 1000000;
2574
2575     if (infoscreen_frame[i - start] == 0)
2576     {
2577       sync_frame = 0;
2578       infoscreen_frame[i - start] = delay - 1;
2579     }
2580     else
2581     {
2582       sync_frame = delay - infoscreen_frame[i - start];
2583       infoscreen_frame[i - start]--;
2584     }
2585
2586     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2587     {
2588       if (!infoscreen_frame[i - start])
2589         infoscreen_step[i - start] = 0;
2590     }
2591     else
2592     {
2593       if (!infoscreen_frame[i - start])
2594         infoscreen_step[i - start]++;
2595       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2596         j++;
2597     }
2598
2599     j++;
2600
2601     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2602                                TILEX, TILEY);
2603     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2604                                  graphic, sync_frame, USE_MASKING);
2605
2606     if (init)
2607       DrawInfoScreen_HelpText(element, action, direction, i - start);
2608
2609     i++;
2610   }
2611
2612   redraw_mask |= REDRAW_FIELD;
2613
2614   FrameCounter++;
2615 }
2616
2617 static char *getHelpText(int element, int action, int direction)
2618 {
2619   char token[MAX_LINE_LEN];
2620
2621   strcpy(token, element_info[element].token_name);
2622
2623   if (action != -1)
2624     strcat(token, element_action_info[action].suffix);
2625
2626   if (direction != -1)
2627     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2628
2629   return getHashEntry(helptext_info, token);
2630 }
2631
2632 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2633 {
2634   int font_nr = FONT_INFO_ELEMENTS;
2635   int font_width = getFontWidth(font_nr);
2636   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2637   int sy = mSY + 65 + 2 * 32 + 1;
2638   int ystep = TILEY + 4;
2639   int pad_x = sx - SX;
2640   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2641   int max_lines_per_text = 2;
2642   char *text = NULL;
2643
2644   if (action != -1 && direction != -1)          /* element.action.direction */
2645     text = getHelpText(element, action, direction);
2646
2647   if (text == NULL && action != -1)             /* element.action */
2648     text = getHelpText(element, action, -1);
2649
2650   if (text == NULL && direction != -1)          /* element.direction */
2651     text = getHelpText(element, -1, direction);
2652
2653   if (text == NULL)                             /* base element */
2654     text = getHelpText(element, -1, -1);
2655
2656   if (text == NULL)                             /* not found */
2657     text = "No description available";
2658
2659   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2660     sy += getFontHeight(font_nr) / 2;
2661
2662   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2663                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2664                  TRUE, FALSE, FALSE);
2665 }
2666
2667 void DrawInfoScreen_TitleScreen()
2668 {
2669   game_status_last_screen = GAME_MODE_INFO;
2670   game_status = GAME_MODE_TITLE;
2671
2672   DrawTitleScreen();
2673 }
2674
2675 void HandleInfoScreen_TitleScreen(int button)
2676 {
2677   HandleTitleScreen(0, 0, 0, 0, button);
2678 }
2679
2680 void DrawInfoScreen_Elements()
2681 {
2682   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2683
2684   FadeOut(REDRAW_FIELD);
2685
2686   LoadHelpAnimInfo();
2687   LoadHelpTextInfo();
2688
2689   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2690
2691   FadeIn(REDRAW_FIELD);
2692
2693   InitAnimation();
2694 }
2695
2696 void HandleInfoScreen_Elements(int button)
2697 {
2698   static unsigned int info_delay = 0;
2699   static int num_anims;
2700   static int num_pages;
2701   static int page;
2702   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2703   int i;
2704
2705   if (button == MB_MENU_INITIALIZE)
2706   {
2707     boolean new_element = TRUE;
2708
2709     num_anims = 0;
2710
2711     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2712     {
2713       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2714         new_element = TRUE;
2715       else if (new_element)
2716       {
2717         num_anims++;
2718         new_element = FALSE;
2719       }
2720     }
2721
2722     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2723     page = 0;
2724   }
2725
2726   if (button == MB_MENU_LEAVE)
2727   {
2728     PlaySound(SND_MENU_ITEM_SELECTING);
2729
2730     info_mode = INFO_MODE_MAIN;
2731     DrawInfoScreen();
2732
2733     return;
2734   }
2735   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2736   {
2737     if (button != MB_MENU_INITIALIZE)
2738     {
2739       PlaySound(SND_MENU_ITEM_SELECTING);
2740
2741       page++;
2742     }
2743
2744     if (page >= num_pages)
2745     {
2746       FadeSoundsAndMusic();
2747
2748       info_mode = INFO_MODE_MAIN;
2749       DrawInfoScreen();
2750
2751       return;
2752     }
2753
2754     if (page > 0)
2755       FadeSetNextScreen();
2756
2757     if (button != MB_MENU_INITIALIZE)
2758       FadeOut(REDRAW_FIELD);
2759
2760     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2761
2762     if (button != MB_MENU_INITIALIZE)
2763       FadeIn(REDRAW_FIELD);
2764   }
2765   else
2766   {
2767     if (DelayReached(&info_delay, GameFrameDelay))
2768       if (page < num_pages)
2769         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2770
2771     PlayMenuSoundIfLoop();
2772   }
2773 }
2774
2775 void DrawInfoScreen_Music()
2776 {
2777   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2778
2779   FadeOut(REDRAW_FIELD);
2780
2781   ClearField();
2782   DrawHeadline();
2783
2784   LoadMusicInfo();
2785
2786   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2787
2788   FadeIn(REDRAW_FIELD);
2789 }
2790
2791 void HandleInfoScreen_Music(int button)
2792 {
2793   static struct MusicFileInfo *list = NULL;
2794   int ystart1 = mSY - SY + 100;
2795   int ystart2 = mSY - SY + 150;
2796   int ybottom = mSY - SY + SYSIZE - 20;
2797   int dy = 30;
2798
2799   if (button == MB_MENU_INITIALIZE)
2800   {
2801     list = music_file_info;
2802
2803     if (list == NULL)
2804     {
2805       FadeSoundsAndMusic();
2806
2807       ClearField();
2808       DrawHeadline();
2809
2810       DrawTextSCentered(ystart1, FONT_TEXT_1,
2811                         "No music info for this level set.");
2812
2813       DrawTextSCentered(ybottom, FONT_TEXT_4,
2814                         "Press any key or button for info menu");
2815
2816       return;
2817     }
2818   }
2819
2820   if (button == MB_MENU_LEAVE)
2821   {
2822     PlaySound(SND_MENU_ITEM_SELECTING);
2823
2824     FadeSoundsAndMusic();
2825
2826     info_mode = INFO_MODE_MAIN;
2827     DrawInfoScreen();
2828
2829     return;
2830   }
2831   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2832   {
2833     int y = 0;
2834
2835     if (button != MB_MENU_INITIALIZE)
2836     {
2837       PlaySound(SND_MENU_ITEM_SELECTING);
2838
2839       if (list != NULL)
2840         list = list->next;
2841     }
2842
2843     if (list == NULL)
2844     {
2845       FadeSoundsAndMusic();
2846
2847       info_mode = INFO_MODE_MAIN;
2848       DrawInfoScreen();
2849
2850       return;
2851     }
2852
2853     FadeSoundsAndMusic();
2854
2855     if (list != music_file_info)
2856       FadeSetNextScreen();
2857
2858     if (button != MB_MENU_INITIALIZE)
2859       FadeOut(REDRAW_FIELD);
2860
2861     ClearField();
2862     DrawHeadline();
2863
2864     if (list->is_sound)
2865     {
2866       int sound = list->music;
2867
2868       if (sound_info[sound].loop)
2869         PlaySoundLoop(sound);
2870       else
2871         PlaySound(sound);
2872
2873       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2874     }
2875     else
2876     {
2877       PlayMusic(list->music);
2878
2879       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2880     }
2881
2882     if (!strEqual(list->title, UNKNOWN_NAME))
2883     {
2884       if (!strEqual(list->title_header, UNKNOWN_NAME))
2885         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2886
2887       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2888     }
2889
2890     if (!strEqual(list->artist, UNKNOWN_NAME))
2891     {
2892       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2893         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2894       else
2895         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2896
2897       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2898     }
2899
2900     if (!strEqual(list->album, UNKNOWN_NAME))
2901     {
2902       if (!strEqual(list->album_header, UNKNOWN_NAME))
2903         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2904       else
2905         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2906
2907       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2908     }
2909
2910     if (!strEqual(list->year, UNKNOWN_NAME))
2911     {
2912       if (!strEqual(list->year_header, UNKNOWN_NAME))
2913         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2914       else
2915         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2916
2917       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2918     }
2919
2920     DrawTextSCentered(ybottom, FONT_TEXT_4,
2921                       "Press any key or button for next page");
2922
2923     if (button != MB_MENU_INITIALIZE)
2924       FadeIn(REDRAW_FIELD);
2925   }
2926
2927   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2928     PlaySoundLoop(list->music);
2929 }
2930
2931 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2932 {
2933   int ystart1 = mSY - SY + 100;
2934   int ystart2 = mSY - SY + 150;
2935   int ybottom = mSY - SY + SYSIZE - 20;
2936   int ystep = 30;
2937
2938   ClearField();
2939   DrawHeadline();
2940
2941   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2942
2943   if (screen_nr == 0)
2944   {
2945     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2946                       "Special thanks to");
2947     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2948                       "Peter Liepa");
2949     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2950                       "for creating");
2951     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2952                       "\"Boulder Dash\"");
2953     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2954                       "in the year");
2955     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2956                       "1984");
2957     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2958                       "published by");
2959     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2960                       "First Star Software");
2961   }
2962   else if (screen_nr == 1)
2963   {
2964     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2965                       "Special thanks to");
2966     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2967                       "Klaus Heinz & Volker Wertich");
2968     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2969                       "for creating");
2970     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2971                       "\"Emerald Mine\"");
2972     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2973                       "in the year");
2974     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2975                       "1987");
2976     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2977                       "published by");
2978     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2979                       "Kingsoft");
2980   }
2981   else if (screen_nr == 2)
2982   {
2983     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2984                       "Special thanks to");
2985     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2986                       "Michael Stopp & Philip Jespersen");
2987     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2988                       "for creating");
2989     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2990                       "\"Supaplex\"");
2991     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2992                       "in the year");
2993     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2994                       "1991");
2995     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2996                       "published by");
2997     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2998                       "Digital Integration");
2999   }
3000   else if (screen_nr == 3)
3001   {
3002     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3003                       "Special thanks to");
3004     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3005                       "Hiroyuki Imabayashi");
3006     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3007                       "for creating");
3008     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3009                       "\"Sokoban\"");
3010     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3011                       "in the year");
3012     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3013                       "1982");
3014     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3015                       "published by");
3016     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3017                       "Thinking Rabbit");
3018   }
3019   else if (screen_nr == 4)
3020   {
3021     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3022                       "Special thanks to");
3023     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3024                       "Alan Bond");
3025     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3026                       "and");
3027     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3028                       "J\xfcrgen Bonhagen");
3029     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3030                       "for the continuous creation");
3031     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3032                       "of outstanding level sets");
3033   }
3034   else if (screen_nr == 5)
3035   {
3036     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3037                       "Thanks to");
3038     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3039                       "Peter Elzner");
3040     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3041                       "for ideas and inspiration by");
3042     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3043                       "Diamond Caves");
3044
3045     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3046                       "Thanks to");
3047     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3048                       "Steffest");
3049     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3050                       "for ideas and inspiration by");
3051     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3052                       "DX-Boulderdash");
3053   }
3054   else if (screen_nr == 6)
3055   {
3056     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3057                       "Thanks to");
3058     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3059                       "David Tritscher");
3060 #if 1
3061     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3062                       "for the code base used for the");
3063     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3064                       "native Emerald Mine engine");
3065 #else
3066     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3067                       "for the new Emerald Mine engine");
3068 #endif
3069   }
3070   else if (screen_nr == 7)
3071   {
3072     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3073                       "Thanks to");
3074     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3075                       "Guido Schulz");
3076     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3077                       "for the initial DOS port");
3078
3079     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3080                       "Thanks to");
3081     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3082                       "Karl H\xf6rnell");
3083     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3084                       "for some additional toons");
3085   }
3086   else if (screen_nr == 8)
3087   {
3088     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3089                       "And not to forget:");
3090     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3091                       "Many thanks to");
3092     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3093                       "All those who contributed");
3094     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3095                       "levels to this game");
3096     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3097                       "since 1995");
3098   }
3099
3100   DrawTextSCentered(ybottom, FONT_TEXT_4,
3101                     "Press any key or button for next page");
3102 }
3103
3104 void DrawInfoScreen_Credits()
3105 {
3106   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3107
3108   FadeSoundsAndMusic();
3109
3110   FadeOut(REDRAW_FIELD);
3111
3112   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3113
3114   FadeIn(REDRAW_FIELD);
3115 }
3116
3117 void HandleInfoScreen_Credits(int button)
3118 {
3119   static int screen_nr = 0;
3120   int num_screens = 9;
3121
3122   if (button == MB_MENU_INITIALIZE)
3123   {
3124     screen_nr = 0;
3125
3126     // DrawInfoScreen_CreditsScreen(screen_nr);
3127   }
3128
3129   if (button == MB_MENU_LEAVE)
3130   {
3131     PlaySound(SND_MENU_ITEM_SELECTING);
3132
3133     info_mode = INFO_MODE_MAIN;
3134     DrawInfoScreen();
3135
3136     return;
3137   }
3138   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3139   {
3140     if (button != MB_MENU_INITIALIZE)
3141     {
3142       PlaySound(SND_MENU_ITEM_SELECTING);
3143
3144       screen_nr++;
3145     }
3146
3147     if (screen_nr >= num_screens)
3148     {
3149       FadeSoundsAndMusic();
3150
3151       info_mode = INFO_MODE_MAIN;
3152       DrawInfoScreen();
3153
3154       return;
3155     }
3156
3157     if (screen_nr > 0)
3158       FadeSetNextScreen();
3159
3160     if (button != MB_MENU_INITIALIZE)
3161       FadeOut(REDRAW_FIELD);
3162
3163     DrawInfoScreen_CreditsScreen(screen_nr);
3164
3165     if (button != MB_MENU_INITIALIZE)
3166       FadeIn(REDRAW_FIELD);
3167   }
3168   else
3169   {
3170     PlayMenuSoundIfLoop();
3171   }
3172 }
3173
3174 void DrawInfoScreen_Program()
3175 {
3176   int ystart1 = mSY - SY + 100;
3177   int ystart2 = mSY - SY + 150;
3178   int ybottom = mSY - SY + SYSIZE - 20;
3179   int ystep = 30;
3180
3181   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3182
3183   FadeOut(REDRAW_FIELD);
3184
3185   ClearField();
3186   DrawHeadline();
3187
3188   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3189
3190   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3191                     "This game is Freeware!");
3192   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3193                     "If you like it, send e-mail to:");
3194   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3195                     setup.internal.program_email);
3196   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3197                     "More information and levels:");
3198   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3199                     setup.internal.program_website);
3200   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3201                     "If you have created new levels,");
3202   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3203                     "send them to me to include them!");
3204   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3205                     ":-)");
3206
3207   DrawTextSCentered(ybottom, FONT_TEXT_4,
3208                     "Press any key or button for info menu");
3209
3210   FadeIn(REDRAW_FIELD);
3211 }
3212
3213 void HandleInfoScreen_Program(int button)
3214 {
3215   if (button == MB_MENU_LEAVE)
3216   {
3217     PlaySound(SND_MENU_ITEM_SELECTING);
3218
3219     info_mode = INFO_MODE_MAIN;
3220     DrawInfoScreen();
3221
3222     return;
3223   }
3224   else if (button == MB_MENU_CHOICE)
3225   {
3226     PlaySound(SND_MENU_ITEM_SELECTING);
3227
3228     FadeSoundsAndMusic();
3229
3230     info_mode = INFO_MODE_MAIN;
3231     DrawInfoScreen();
3232   }
3233   else
3234   {
3235     PlayMenuSoundIfLoop();
3236   }
3237 }
3238
3239 void DrawInfoScreen_Version()
3240 {
3241   int font_header = FONT_TEXT_3;
3242   int font_text = FONT_TEXT_2;
3243   int xstep = getFontWidth(font_text);
3244   int ystep = getFontHeight(font_text);
3245   int ystart1 = mSY - SY + 100;
3246   int ystart2 = mSY - SY + 150;
3247   int ybottom = mSY - SY + SYSIZE - 20;
3248   int xstart1 = mSX - SX + 2 * xstep;
3249   int xstart2 = mSX - SX + 18 * xstep;
3250   int xstart3 = mSX - SX + 28 * xstep;
3251   SDL_version sdl_version_compiled;
3252   const SDL_version *sdl_version_linked;
3253   int driver_name_len = 10;
3254 #if defined(TARGET_SDL2)
3255   SDL_version sdl_version_linked_ext;
3256   const char *driver_name = NULL;
3257 #else
3258   char driver_name[driver_name_len];
3259 #endif
3260
3261   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3262
3263   FadeOut(REDRAW_FIELD);
3264
3265   ClearField();
3266   DrawHeadline();
3267
3268   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3269
3270   DrawTextF(xstart1, ystart2, font_header, "Name");
3271   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3272
3273   ystart2 += ystep;
3274   DrawTextF(xstart1, ystart2, font_header, "Version");
3275   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3276
3277   ystart2 += ystep;
3278   DrawTextF(xstart1, ystart2, font_header, "Platform");
3279   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3280
3281   ystart2 += ystep;
3282   DrawTextF(xstart1, ystart2, font_header, "Target");
3283   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3284
3285   ystart2 += ystep;
3286   DrawTextF(xstart1, ystart2, font_header, "Compile time");
3287   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
3288
3289   ystart2 += 3 * ystep;
3290   DrawTextF(xstart1, ystart2, font_header, "Library");
3291   DrawTextF(xstart2, ystart2, font_header, "compiled");
3292   DrawTextF(xstart3, ystart2, font_header, "linked");
3293
3294   SDL_VERSION(&sdl_version_compiled);
3295 #if defined(TARGET_SDL2)
3296   SDL_GetVersion(&sdl_version_linked_ext);
3297   sdl_version_linked = &sdl_version_linked_ext;
3298 #else
3299   sdl_version_linked = SDL_Linked_Version();
3300 #endif
3301
3302   ystart2 += 2 * ystep;
3303   DrawTextF(xstart1, ystart2, font_text, "SDL");
3304   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3305             sdl_version_compiled.major,
3306             sdl_version_compiled.minor,
3307             sdl_version_compiled.patch);
3308   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3309             sdl_version_linked->major,
3310             sdl_version_linked->minor,
3311             sdl_version_linked->patch);
3312
3313   SDL_IMAGE_VERSION(&sdl_version_compiled);
3314   sdl_version_linked = IMG_Linked_Version();
3315
3316   ystart2 += ystep;
3317   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3318   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3319             sdl_version_compiled.major,
3320             sdl_version_compiled.minor,
3321             sdl_version_compiled.patch);
3322   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3323             sdl_version_linked->major,
3324             sdl_version_linked->minor,
3325             sdl_version_linked->patch);
3326
3327   SDL_MIXER_VERSION(&sdl_version_compiled);
3328   sdl_version_linked = Mix_Linked_Version();
3329
3330   ystart2 += ystep;
3331   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3332   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3333             sdl_version_compiled.major,
3334             sdl_version_compiled.minor,
3335             sdl_version_compiled.patch);
3336   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3337             sdl_version_linked->major,
3338             sdl_version_linked->minor,
3339             sdl_version_linked->patch);
3340
3341   SDL_NET_VERSION(&sdl_version_compiled);
3342   sdl_version_linked = SDLNet_Linked_Version();
3343
3344   ystart2 += ystep;
3345   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3346   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3347             sdl_version_compiled.major,
3348             sdl_version_compiled.minor,
3349             sdl_version_compiled.patch);
3350   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3351             sdl_version_linked->major,
3352             sdl_version_linked->minor,
3353             sdl_version_linked->patch);
3354
3355   ystart2 += 3 * ystep;
3356   DrawTextF(xstart1, ystart2, font_header, "Driver");
3357   DrawTextF(xstart2, ystart2, font_header, "Requested");
3358   DrawTextF(xstart3, ystart2, font_header, "Used");
3359
3360 #if defined(TARGET_SDL2)
3361   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3362 #else
3363   SDL_VideoDriverName(driver_name, driver_name_len);
3364 #endif
3365
3366   ystart2 += 2 * ystep;
3367   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3368   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3369   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3370
3371 #if defined(TARGET_SDL2)
3372   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3373 #else
3374   SDL_AudioDriverName(driver_name, driver_name_len);
3375 #endif
3376
3377   ystart2 += ystep;
3378   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3379   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3380   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3381
3382   DrawTextSCentered(ybottom, FONT_TEXT_4,
3383                     "Press any key or button for info menu");
3384
3385   FadeIn(REDRAW_FIELD);
3386 }
3387
3388 void HandleInfoScreen_Version(int button)
3389 {
3390   if (button == MB_MENU_LEAVE)
3391   {
3392     PlaySound(SND_MENU_ITEM_SELECTING);
3393
3394     info_mode = INFO_MODE_MAIN;
3395     DrawInfoScreen();
3396
3397     return;
3398   }
3399   else if (button == MB_MENU_CHOICE)
3400   {
3401     PlaySound(SND_MENU_ITEM_SELECTING);
3402
3403     FadeSoundsAndMusic();
3404
3405     info_mode = INFO_MODE_MAIN;
3406     DrawInfoScreen();
3407   }
3408   else
3409   {
3410     PlayMenuSoundIfLoop();
3411   }
3412 }
3413
3414 void DrawInfoScreen_LevelSet()
3415 {
3416   struct TitleMessageInfo *tmi = &readme;
3417   char *filename = getLevelSetInfoFilename();
3418   char *title = "Level Set Information:";
3419   int ystart1 = mSY - SY + 100;
3420   int ybottom = mSY - SY + SYSIZE - 20;
3421
3422   if (filename == NULL)
3423   {
3424     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3425
3426     return;
3427   }
3428
3429   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3430
3431   FadeOut(REDRAW_FIELD);
3432
3433   ClearField();
3434   DrawHeadline();
3435
3436   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3437
3438   /* if x position set to "-1", automatically determine by playfield width */
3439   if (tmi->x == -1)
3440     tmi->x = SXSIZE / 2;
3441
3442   /* if y position set to "-1", use static default value */
3443   if (tmi->y == -1)
3444     tmi->y = 150;
3445
3446   /* if width set to "-1", automatically determine by playfield width */
3447   if (tmi->width == -1)
3448     tmi->width = SXSIZE - 2 * TILEX;
3449
3450   /* if height set to "-1", automatically determine by playfield height */
3451   if (tmi->height == -1)
3452     tmi->height = SYSIZE - 20 - tmi->y - 10;
3453
3454   /* if chars set to "-1", automatically determine by text and font width */
3455   if (tmi->chars == -1)
3456     tmi->chars = tmi->width / getFontWidth(tmi->font);
3457   else
3458     tmi->width = tmi->chars * getFontWidth(tmi->font);
3459
3460   /* if lines set to "-1", automatically determine by text and font height */
3461   if (tmi->lines == -1)
3462     tmi->lines = tmi->height / getFontHeight(tmi->font);
3463   else
3464     tmi->height = tmi->lines * getFontHeight(tmi->font);
3465
3466   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3467                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3468                tmi->autowrap, tmi->centered, tmi->parse_comments);
3469
3470   DrawTextSCentered(ybottom, FONT_TEXT_4,
3471                     "Press any key or button for info menu");
3472
3473   FadeIn(REDRAW_FIELD);
3474 }
3475
3476 void HandleInfoScreen_LevelSet(int button)
3477 {
3478   if (button == MB_MENU_LEAVE)
3479   {
3480     PlaySound(SND_MENU_ITEM_SELECTING);
3481
3482     info_mode = INFO_MODE_MAIN;
3483     DrawInfoScreen();
3484
3485     return;
3486   }
3487   else if (button == MB_MENU_CHOICE)
3488   {
3489     PlaySound(SND_MENU_ITEM_SELECTING);
3490
3491     FadeSoundsAndMusic();
3492
3493     info_mode = INFO_MODE_MAIN;
3494     DrawInfoScreen();
3495   }
3496   else
3497   {
3498     PlayMenuSoundIfLoop();
3499   }
3500 }
3501
3502 static void DrawInfoScreen()
3503 {
3504   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3505
3506   if (info_mode == INFO_MODE_TITLE)
3507     DrawInfoScreen_TitleScreen();
3508   else if (info_mode == INFO_MODE_ELEMENTS)
3509     DrawInfoScreen_Elements();
3510   else if (info_mode == INFO_MODE_MUSIC)
3511     DrawInfoScreen_Music();
3512   else if (info_mode == INFO_MODE_CREDITS)
3513     DrawInfoScreen_Credits();
3514   else if (info_mode == INFO_MODE_PROGRAM)
3515     DrawInfoScreen_Program();
3516   else if (info_mode == INFO_MODE_VERSION)
3517     DrawInfoScreen_Version();
3518   else if (info_mode == INFO_MODE_LEVELSET)
3519     DrawInfoScreen_LevelSet();
3520   else
3521     DrawInfoScreen_Main();
3522
3523   if (info_mode != INFO_MODE_MAIN &&
3524       info_mode != INFO_MODE_TITLE &&
3525       info_mode != INFO_MODE_MUSIC)
3526   {
3527     PlayMenuSound();
3528     PlayMenuMusic();
3529   }
3530 }
3531
3532 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3533 {
3534   if (info_mode == INFO_MODE_TITLE)
3535     HandleInfoScreen_TitleScreen(button);
3536   else if (info_mode == INFO_MODE_ELEMENTS)
3537     HandleInfoScreen_Elements(button);
3538   else if (info_mode == INFO_MODE_MUSIC)
3539     HandleInfoScreen_Music(button);
3540   else if (info_mode == INFO_MODE_CREDITS)
3541     HandleInfoScreen_Credits(button);
3542   else if (info_mode == INFO_MODE_PROGRAM)
3543     HandleInfoScreen_Program(button);
3544   else if (info_mode == INFO_MODE_VERSION)
3545     HandleInfoScreen_Version(button);
3546   else if (info_mode == INFO_MODE_LEVELSET)
3547     HandleInfoScreen_LevelSet(button);
3548   else
3549     HandleInfoScreen_Main(mx, my, dx, dy, button);
3550 }
3551
3552
3553 /* ========================================================================= */
3554 /* type name functions                                                       */
3555 /* ========================================================================= */
3556
3557 void HandleTypeName(int newxpos, Key key)
3558 {
3559   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3560   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3561   struct TextPosInfo *pos = mci->pos_input;
3562   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3563   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3564   static int xpos = 0;
3565   int font_nr = pos->font;
3566   int font_active_nr = FONT_ACTIVE(font_nr);
3567   int font_width = getFontWidth(font_active_nr);
3568   char key_char = getValidConfigValueChar(getCharFromKey(key));
3569   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3570   boolean is_active = TRUE;
3571
3572   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3573
3574   if (newxpos)
3575   {
3576     strcpy(last_player_name, setup.player_name);
3577
3578     xpos = newxpos;
3579
3580 #if defined(TARGET_SDL2)
3581     SDL_StartTextInput();
3582 #endif
3583   }
3584   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3585   {
3586     setup.player_name[xpos] = key_char;
3587     setup.player_name[xpos + 1] = 0;
3588
3589     xpos++;
3590   }
3591   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3592   {
3593     xpos--;
3594
3595     setup.player_name[xpos] = 0;
3596   }
3597   else if (key == KSYM_Return && xpos > 0)
3598   {
3599     SaveSetup();
3600
3601     is_active = FALSE;
3602
3603     game_status = GAME_MODE_MAIN;
3604   }
3605   else if (key == KSYM_Escape)
3606   {
3607     strcpy(setup.player_name, last_player_name);
3608
3609     is_active = FALSE;
3610
3611     game_status = GAME_MODE_MAIN;
3612   }
3613
3614   if (is_active)
3615   {
3616     pos->width = (strlen(setup.player_name) + 1) * font_width;
3617     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3618
3619     DrawText(startx, starty, setup.player_name, font_active_nr);
3620     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3621   }
3622   else
3623   {
3624     pos->width = strlen(setup.player_name) * font_width;
3625     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3626
3627     DrawText(startx, starty, setup.player_name, font_nr);
3628
3629 #if defined(TARGET_SDL2)
3630     SDL_StopTextInput();
3631 #endif
3632   }
3633 }
3634
3635
3636 /* ========================================================================= */
3637 /* tree menu functions                                                       */
3638 /* ========================================================================= */
3639
3640 static void DrawChooseTree(TreeInfo **ti_ptr)
3641 {
3642   int fade_mask = REDRAW_FIELD;
3643
3644   if (CheckIfGlobalBorderHasChanged())
3645     fade_mask = REDRAW_ALL;
3646
3647   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3648   {
3649     game_status = GAME_MODE_MAIN;
3650
3651     DrawMainMenu();
3652
3653     return;
3654   }
3655
3656   UnmapAllGadgets();
3657
3658   FreeScreenGadgets();
3659   CreateScreenGadgets();
3660
3661   CloseDoor(DOOR_CLOSE_2);
3662
3663   FadeOut(fade_mask);
3664
3665   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3666
3667   ClearField();
3668
3669   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3670   MapScreenTreeGadgets(*ti_ptr);
3671
3672   DrawMaskedBorder(fade_mask);
3673
3674   FadeIn(fade_mask);
3675
3676   InitAnimation();
3677 }
3678
3679 static void drawChooseTreeList(int first_entry, int num_page_entries,
3680                                TreeInfo *ti)
3681 {
3682   int i;
3683   char *title_string = NULL;
3684   int yoffset_sets = MENU_TITLE1_YPOS;
3685   int yoffset_setup = 16;
3686   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3687                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3688   int last_game_status = game_status;   /* save current game status */
3689
3690   title_string = ti->infotext;
3691
3692   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3693
3694   clearMenuListArea();
3695
3696   for (i = 0; i < num_page_entries; i++)
3697   {
3698     TreeInfo *node, *node_first;
3699     int entry_pos = first_entry + i;
3700     int xpos = MENU_SCREEN_START_XPOS;
3701     int ypos = MENU_SCREEN_START_YPOS + i;
3702     int startx = mSX + xpos * 32;
3703     int starty = mSY + ypos * 32;
3704     int font_nr = FONT_TEXT_1;
3705     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3706     int startx_text = startx + font_xoffset;
3707     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3708     int text_size = startx_scrollbar - startx_text;
3709     int max_buffer_len = text_size / getFontWidth(font_nr);
3710     char buffer[max_buffer_len + 1];
3711
3712     node_first = getTreeInfoFirstGroupEntry(ti);
3713     node = getTreeInfoFromPos(node_first, entry_pos);
3714
3715     strncpy(buffer, node->name, max_buffer_len);
3716     buffer[max_buffer_len] = '\0';
3717
3718     DrawText(startx, starty, buffer, font_nr + node->color);
3719
3720     if (node->parent_link)
3721       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3722     else if (node->level_group)
3723       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3724     else
3725       initCursor(i, IMG_MENU_BUTTON);
3726   }
3727
3728   game_status = last_game_status;       /* restore current game status */
3729
3730   redraw_mask |= REDRAW_FIELD;
3731 }
3732
3733 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3734 {
3735   TreeInfo *node, *node_first;
3736   int x, last_redraw_mask = redraw_mask;
3737   int ypos = MENU_TITLE2_YPOS;
3738   int font_nr = FONT_TITLE_2;
3739
3740   if (ti->type == TREE_TYPE_LEVEL_NR)
3741     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3742
3743   if (ti->type != TREE_TYPE_LEVEL_DIR)
3744     return;
3745
3746   node_first = getTreeInfoFirstGroupEntry(ti);
3747   node = getTreeInfoFromPos(node_first, entry_pos);
3748
3749   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3750
3751   if (node->parent_link)
3752     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3753                       node->node_parent->name);
3754   else if (node->level_group)
3755     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3756                       node->name);
3757   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3758     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3759                       node->levels, (node->levels > 1 ? "levels" : "level"),
3760                       node->class_desc);
3761
3762   /* let BackToFront() redraw only what is needed */
3763   redraw_mask = last_redraw_mask;
3764   for (x = 0; x < SCR_FIELDX; x++)
3765     MarkTileDirty(x, 1);
3766 }
3767
3768 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3769                              TreeInfo **ti_ptr)
3770 {
3771   TreeInfo *ti = *ti_ptr;
3772   int x = 0;
3773   int y = ti->cl_cursor;
3774   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3775   int num_entries = numTreeInfoInGroup(ti);
3776   int num_page_entries;
3777   int last_game_status = game_status;   /* save current game status */
3778   boolean position_set_by_scrollbar = (dx == 999);
3779
3780   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3781     num_page_entries = num_entries;
3782   else
3783     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3784
3785   game_status = last_game_status;       /* restore current game status */
3786
3787   if (button == MB_MENU_INITIALIZE)
3788   {
3789     int num_entries = numTreeInfoInGroup(ti);
3790     int entry_pos = posTreeInfo(ti);
3791
3792     if (ti->cl_first == -1)
3793     {
3794       /* only on initialization */
3795       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3796       ti->cl_cursor = entry_pos - ti->cl_first;
3797     }
3798     else if (ti->cl_cursor >= num_page_entries ||
3799              (num_entries > num_page_entries &&
3800               num_entries - ti->cl_first < num_page_entries))
3801     {
3802       /* only after change of list size (by custom graphic configuration) */
3803       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3804       ti->cl_cursor = entry_pos - ti->cl_first;
3805     }
3806
3807     if (position_set_by_scrollbar)
3808       ti->cl_first = dy;
3809     else
3810       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3811                                 ti->cl_first, ti);
3812
3813     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3814     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3815     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3816
3817     return;
3818   }
3819   else if (button == MB_MENU_LEAVE)
3820   {
3821     FadeSetLeaveMenu();
3822
3823     PlaySound(SND_MENU_ITEM_SELECTING);
3824
3825     if (ti->node_parent)
3826     {
3827       *ti_ptr = ti->node_parent;
3828       DrawChooseTree(ti_ptr);
3829     }
3830     else if (game_status == GAME_MODE_SETUP)
3831     {
3832       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3833           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3834           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3835         execSetupGame();
3836       else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
3837                setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3838                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
3839         execSetupGraphics();
3840       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3841                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3842                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3843         execSetupSound();
3844       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3845                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3846                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3847         execSetupTouch();
3848       else
3849         execSetupArtwork();
3850     }
3851     else
3852     {
3853       if (game_status == GAME_MODE_LEVELNR)
3854       {
3855         int new_level_nr = atoi(level_number_current->identifier);
3856
3857         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3858       }
3859
3860       game_status = GAME_MODE_MAIN;
3861
3862       DrawMainMenu();
3863     }
3864
3865     return;
3866   }
3867
3868   if (mx || my)         /* mouse input */
3869   {
3870     int last_game_status = game_status; /* save current game status */
3871
3872     x = (mx - mSX) / 32;
3873     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3874
3875     game_status = last_game_status;     /* restore current game status */
3876   }
3877   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3878   {
3879     /* move cursor instead of scrolling when already at start/end of list */
3880     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3881       dy = -1;
3882     else if (dy == +1 * SCROLL_LINE &&
3883              ti->cl_first + num_page_entries == num_entries)
3884       dy = 1;
3885
3886     /* handle scrolling screen one line or page */
3887     if (ti->cl_cursor + dy < 0 ||
3888         ti->cl_cursor + dy > num_page_entries - 1)
3889     {
3890       boolean redraw = FALSE;
3891
3892       if (ABS(dy) == SCROLL_PAGE)
3893         step = num_page_entries - 1;
3894
3895       if (dy < 0 && ti->cl_first > 0)
3896       {
3897         /* scroll page/line up */
3898
3899         ti->cl_first -= step;
3900         if (ti->cl_first < 0)
3901           ti->cl_first = 0;
3902
3903         redraw = TRUE;
3904       }
3905       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3906       {
3907         /* scroll page/line down */
3908
3909         ti->cl_first += step;
3910         if (ti->cl_first + num_page_entries > num_entries)
3911           ti->cl_first = MAX(0, num_entries - num_page_entries);
3912
3913         redraw = TRUE;
3914       }
3915
3916       if (redraw)
3917       {
3918         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3919         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3920         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3921
3922         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3923                                   ti->cl_first, ti);
3924       }
3925
3926       return;
3927     }
3928
3929     /* handle moving cursor one line */
3930     y = ti->cl_cursor + dy;
3931   }
3932
3933   if (dx == 1)
3934   {
3935     TreeInfo *node_first, *node_cursor;
3936     int entry_pos = ti->cl_first + y;
3937
3938     node_first = getTreeInfoFirstGroupEntry(ti);
3939     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3940
3941     if (node_cursor->node_group)
3942     {
3943       FadeSetEnterMenu();
3944
3945       PlaySound(SND_MENU_ITEM_SELECTING);
3946
3947       node_cursor->cl_first = ti->cl_first;
3948       node_cursor->cl_cursor = ti->cl_cursor;
3949       *ti_ptr = node_cursor->node_group;
3950       DrawChooseTree(ti_ptr);
3951
3952       return;
3953     }
3954   }
3955   else if (dx == -1 && ti->node_parent)
3956   {
3957     FadeSetLeaveMenu();
3958
3959     PlaySound(SND_MENU_ITEM_SELECTING);
3960
3961     *ti_ptr = ti->node_parent;
3962     DrawChooseTree(ti_ptr);
3963
3964     return;
3965   }
3966
3967   if (!anyScrollbarGadgetActive() &&
3968       IN_VIS_MENU(x, y) &&
3969       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3970       y >= 0 && y < num_page_entries)
3971   {
3972     if (button)
3973     {
3974       if (y != ti->cl_cursor)
3975       {
3976         PlaySound(SND_MENU_ITEM_ACTIVATING);
3977
3978         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3979         drawChooseTreeCursor(y, TRUE);
3980         drawChooseTreeInfo(ti->cl_first + y, ti);
3981
3982         ti->cl_cursor = y;
3983       }
3984     }
3985     else
3986     {
3987       TreeInfo *node_first, *node_cursor;
3988       int entry_pos = ti->cl_first + y;
3989
3990       PlaySound(SND_MENU_ITEM_SELECTING);
3991
3992       node_first = getTreeInfoFirstGroupEntry(ti);
3993       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3994
3995       if (node_cursor->node_group)
3996       {
3997         FadeSetEnterMenu();
3998
3999         node_cursor->cl_first = ti->cl_first;
4000         node_cursor->cl_cursor = ti->cl_cursor;
4001         *ti_ptr = node_cursor->node_group;
4002         DrawChooseTree(ti_ptr);
4003       }
4004       else if (node_cursor->parent_link)
4005       {
4006         FadeSetLeaveMenu();
4007
4008         *ti_ptr = node_cursor->node_parent;
4009         DrawChooseTree(ti_ptr);
4010       }
4011       else
4012       {
4013         FadeSetEnterMenu();
4014
4015         node_cursor->cl_first = ti->cl_first;
4016         node_cursor->cl_cursor = ti->cl_cursor;
4017         *ti_ptr = node_cursor;
4018
4019         if (ti->type == TREE_TYPE_LEVEL_DIR)
4020         {
4021           LoadLevelSetup_SeriesInfo();
4022
4023           SaveLevelSetup_LastSeries();
4024           SaveLevelSetup_SeriesInfo();
4025           TapeErase();
4026         }
4027
4028         if (game_status == GAME_MODE_SETUP)
4029         {
4030           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4031               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4032               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4033             execSetupGame();
4034           else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
4035                    setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4036                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
4037             execSetupGraphics();
4038           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4039                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4040                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4041             execSetupSound();
4042           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4043                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4044                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4045             execSetupTouch();
4046           else
4047             execSetupArtwork();
4048         }
4049         else
4050         {
4051           if (game_status == GAME_MODE_LEVELNR)
4052           {
4053             int new_level_nr = atoi(level_number_current->identifier);
4054
4055             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4056           }
4057
4058           game_status = GAME_MODE_MAIN;
4059
4060           DrawMainMenu();
4061         }
4062       }
4063     }
4064   }
4065 }
4066
4067 void DrawChooseLevelSet()
4068 {
4069   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4070
4071   DrawChooseTree(&leveldir_current);
4072
4073   PlayMenuSound();
4074   PlayMenuMusic();
4075 }
4076
4077 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4078 {
4079   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4080 }
4081
4082 void DrawChooseLevelNr()
4083 {
4084   int i;
4085
4086   if (level_number != NULL)
4087   {
4088     freeTreeInfo(level_number);
4089
4090     level_number = NULL;
4091   }
4092
4093   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4094   {
4095     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4096     char identifier[32], name[32];
4097     int value = i;
4098
4099     /* temporarily load level info to get level name */
4100     LoadLevelInfoOnly(i);
4101
4102     ti->node_top = &level_number;
4103     ti->sort_priority = 10000 + value;
4104     ti->color = (level.no_valid_file ? FC_BLUE :
4105                  LevelStats_getSolved(i) ? FC_GREEN :
4106                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4107
4108     sprintf(identifier, "%d", value);
4109     sprintf(name, "%03d: %s", value,
4110             (level.no_valid_file ? "(no file)" : level.name));
4111
4112     setString(&ti->identifier, identifier);
4113     setString(&ti->name, name);
4114     setString(&ti->name_sorting, name);
4115
4116     pushTreeInfo(&level_number, ti);
4117   }
4118
4119   /* sort level number values to start with lowest level number */
4120   sortTreeInfo(&level_number);
4121
4122   /* set current level number to current level number */
4123   level_number_current =
4124     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4125
4126   /* if that also fails, set current level number to first available level */
4127   if (level_number_current == NULL)
4128     level_number_current = level_number;
4129
4130   SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4131
4132   DrawChooseTree(&level_number_current);
4133
4134   PlayMenuSound();
4135   PlayMenuMusic();
4136 }
4137
4138 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4139 {
4140   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4141 }
4142
4143 void DrawHallOfFame(int highlight_position)
4144 {
4145   int fade_mask = REDRAW_FIELD;
4146
4147   /* required before door position may be changed in next step */
4148   CloseDoor(DOOR_CLOSE_ALL);
4149
4150   /* needed if different viewport properties defined for scores */
4151   ChangeViewportPropertiesIfNeeded();
4152
4153   if (CheckIfGlobalBorderHasChanged())
4154     fade_mask = REDRAW_ALL;
4155
4156   UnmapAllGadgets();
4157   FadeSoundsAndMusic();
4158
4159   /* (this is needed when called from GameEnd() after winning a game) */
4160   KeyboardAutoRepeatOn();
4161   ActivateJoystick();
4162
4163   /* (this is needed when called from GameEnd() after winning a game) */
4164   SetDrawDeactivationMask(REDRAW_NONE);
4165   SetDrawBackgroundMask(REDRAW_FIELD);
4166
4167   if (highlight_position < 0)
4168     LoadScore(level_nr);
4169
4170   FadeSetEnterScreen();
4171
4172   FadeOut(fade_mask);
4173
4174   InitAnimation();
4175
4176   PlayMenuSound();
4177   PlayMenuMusic();
4178
4179   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4180
4181   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4182
4183   DrawMaskedBorder(fade_mask);
4184
4185   FadeIn(fade_mask);
4186 }
4187
4188 static void drawHallOfFameList(int first_entry, int highlight_position)
4189 {
4190   int i, j;
4191
4192   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4193   ClearField();
4194
4195   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4196   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4197                     "HighScores of Level %d", level_nr);
4198
4199   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4200   {
4201     int entry = first_entry + i;
4202     boolean active = (entry == highlight_position);
4203     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4204     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4205     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4206     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4207     int dx1 = 3 * getFontWidth(font_nr1);
4208     int dx2 = dx1 + getFontWidth(font_nr1);
4209     int dx3 = SXSIZE - 2 * (mSX - SX) - 5 * getFontWidth(font_nr4);
4210     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4211     int sy = mSY + 64 + i * 32;
4212
4213     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4214     DrawText(mSX + dx1, sy, ".", font_nr1);
4215
4216     for (j = 0; j < num_dots; j++)
4217       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4218
4219     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4220       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4221
4222     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4223   }
4224
4225   redraw_mask |= REDRAW_FIELD;
4226 }
4227
4228 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4229 {
4230   static int first_entry = 0;
4231   static int highlight_position = 0;
4232   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4233
4234   if (button == MB_MENU_INITIALIZE)
4235   {
4236     first_entry = 0;
4237     highlight_position = mx;
4238     drawHallOfFameList(first_entry, highlight_position);
4239
4240     return;
4241   }
4242
4243   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4244     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4245
4246   if (dy < 0)
4247   {
4248     if (first_entry > 0)
4249     {
4250       first_entry -= step;
4251       if (first_entry < 0)
4252         first_entry = 0;
4253
4254       drawHallOfFameList(first_entry, highlight_position);
4255     }
4256   }
4257   else if (dy > 0)
4258   {
4259     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4260     {
4261       first_entry += step;
4262       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4263         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4264
4265       drawHallOfFameList(first_entry, highlight_position);
4266     }
4267   }
4268   else if (button == MB_MENU_LEAVE)
4269   {
4270     PlaySound(SND_MENU_ITEM_SELECTING);
4271
4272     FadeSound(SND_BACKGROUND_SCORES);
4273
4274     game_status = GAME_MODE_MAIN;
4275
4276     DrawMainMenu();
4277   }
4278   else if (button == MB_MENU_CHOICE)
4279   {
4280     PlaySound(SND_MENU_ITEM_SELECTING);
4281
4282     FadeSound(SND_BACKGROUND_SCORES);
4283
4284     game_status = GAME_MODE_MAIN;
4285
4286     DrawMainMenu();
4287   }
4288
4289   if (game_status == GAME_MODE_SCORES)
4290     PlayMenuSoundIfLoop();
4291 }
4292
4293
4294 /* ========================================================================= */
4295 /* setup screen functions                                                    */
4296 /* ========================================================================= */
4297
4298 static struct TokenInfo *setup_info;
4299 static int num_setup_info;      /* number of setup entries shown on screen */
4300 static int max_setup_info;      /* total number of setup entries in list */
4301
4302 static char *screen_mode_text;
4303 static char *window_size_text;
4304 static char *scaling_type_text;
4305 static char *scroll_delay_text;
4306 static char *snapshot_mode_text;
4307 static char *game_speed_text;
4308 static char *graphics_set_name;
4309 static char *sounds_set_name;
4310 static char *music_set_name;
4311 static char *volume_simple_text;
4312 static char *volume_loops_text;
4313 static char *volume_music_text;
4314 static char *touch_controls_text;
4315 static char *move_distance_text;
4316 static char *drop_distance_text;
4317
4318 static void execSetupMain()
4319 {
4320   setup_mode = SETUP_MODE_MAIN;
4321
4322   DrawSetupScreen();
4323 }
4324
4325 static void execSetupGame_setGameSpeeds()
4326 {
4327   if (game_speeds == NULL)
4328   {
4329     int i;
4330
4331     for (i = 0; game_speeds_list[i].value != -1; i++)
4332     {
4333       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4334       char identifier[32], name[32];
4335       int value = game_speeds_list[i].value;
4336       char *text = game_speeds_list[i].text;
4337
4338       ti->node_top = &game_speeds;
4339       ti->sort_priority = 10000 - value;
4340
4341       sprintf(identifier, "%d", value);
4342       sprintf(name, "%s", text);
4343
4344       setString(&ti->identifier, identifier);
4345       setString(&ti->name, name);
4346       setString(&ti->name_sorting, name);
4347       setString(&ti->infotext, "Game Speed");
4348
4349       pushTreeInfo(&game_speeds, ti);
4350     }
4351
4352     /* sort game speed values to start with slowest game speed */
4353     sortTreeInfo(&game_speeds);
4354
4355     /* set current game speed to configured game speed value */
4356     game_speed_current =
4357       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4358
4359     /* if that fails, set current game speed to reliable default value */
4360     if (game_speed_current == NULL)
4361       game_speed_current =
4362         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4363
4364     /* if that also fails, set current game speed to first available speed */
4365     if (game_speed_current == NULL)
4366       game_speed_current = game_speeds;
4367   }
4368
4369   setup.game_frame_delay = atoi(game_speed_current->identifier);
4370
4371   /* needed for displaying game speed text instead of identifier */
4372   game_speed_text = game_speed_current->name;
4373 }
4374
4375 static void execSetupGame_setScrollDelays()
4376 {
4377   if (scroll_delays == NULL)
4378   {
4379     int i;
4380
4381     for (i = 0; scroll_delays_list[i].value != -1; i++)
4382     {
4383       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4384       char identifier[32], name[32];
4385       int value = scroll_delays_list[i].value;
4386       char *text = scroll_delays_list[i].text;
4387
4388       ti->node_top = &scroll_delays;
4389       ti->sort_priority = value;
4390
4391       sprintf(identifier, "%d", value);
4392       sprintf(name, "%s", text);
4393
4394       setString(&ti->identifier, identifier);
4395       setString(&ti->name, name);
4396       setString(&ti->name_sorting, name);
4397       setString(&ti->infotext, "Scaling Type");
4398
4399       pushTreeInfo(&scroll_delays, ti);
4400     }
4401
4402     /* sort scaling type values to start with lowest scaling type value */
4403     sortTreeInfo(&scroll_delays);
4404
4405     /* set current scaling type value to configured scaling type value */
4406     scroll_delay_current =
4407       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4408
4409     /* if that fails, set current scaling type to reliable default value */
4410     if (scroll_delay_current == NULL)
4411       scroll_delay_current =
4412         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4413
4414     /* if that also fails, set current scaling type to first available value */
4415     if (scroll_delay_current == NULL)
4416       scroll_delay_current = scroll_delays;
4417   }
4418
4419   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4420
4421   /* needed for displaying scaling type text instead of identifier */
4422   scroll_delay_text = scroll_delay_current->name;
4423 }
4424
4425 static void execSetupGame_setSnapshotModes()
4426 {
4427   if (snapshot_modes == NULL)
4428   {
4429     int i;
4430
4431     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4432     {
4433       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4434       char identifier[32], name[32];
4435       char *value = snapshot_modes_list[i].value;
4436       char *text = snapshot_modes_list[i].text;
4437
4438       ti->node_top = &snapshot_modes;
4439       ti->sort_priority = i;
4440
4441       sprintf(identifier, "%s", value);
4442       sprintf(name, "%s", text);
4443
4444       setString(&ti->identifier, identifier);
4445       setString(&ti->name, name);
4446       setString(&ti->name_sorting, name);
4447       setString(&ti->infotext, "Snapshot Mode");
4448
4449       pushTreeInfo(&snapshot_modes, ti);
4450     }
4451
4452     /* sort snapshot mode values to start with lowest snapshot mode value */
4453     sortTreeInfo(&snapshot_modes);
4454
4455     /* set current snapshot mode value to configured snapshot mode value */
4456     snapshot_mode_current =
4457       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4458
4459     /* if that fails, set current snapshot mode to reliable default value */
4460     if (snapshot_mode_current == NULL)
4461       snapshot_mode_current =
4462         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4463
4464     /* if that also fails, set current snapshot mode to first available value */
4465     if (snapshot_mode_current == NULL)
4466       snapshot_mode_current = snapshot_modes;
4467   }
4468
4469   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4470
4471   /* needed for displaying snapshot mode text instead of identifier */
4472   snapshot_mode_text = snapshot_mode_current->name;
4473 }
4474
4475 static void execSetupGame()
4476 {
4477   execSetupGame_setGameSpeeds();
4478   execSetupGame_setScrollDelays();
4479   execSetupGame_setSnapshotModes();
4480
4481   setup_mode = SETUP_MODE_GAME;
4482
4483   DrawSetupScreen();
4484 }
4485
4486 static void execSetupChooseGameSpeed()
4487 {
4488   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4489
4490   DrawSetupScreen();
4491 }
4492
4493 static void execSetupChooseScrollDelay()
4494 {
4495   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4496
4497   DrawSetupScreen();
4498 }
4499
4500 static void execSetupChooseSnapshotMode()
4501 {
4502   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4503
4504   DrawSetupScreen();
4505 }
4506
4507 static void execSetupEditor()
4508 {
4509   setup_mode = SETUP_MODE_EDITOR;
4510
4511   DrawSetupScreen();
4512 }
4513
4514 static void execSetupGraphics_setWindowSizes(boolean update_list)
4515 {
4516   if (window_sizes != NULL && update_list)
4517   {
4518     freeTreeInfo(window_sizes);
4519
4520     window_sizes = NULL;
4521   }
4522
4523   if (window_sizes == NULL)
4524   {
4525     boolean current_window_size_found = FALSE;
4526     int i;
4527
4528     for (i = 0; window_sizes_list[i].value != -1; i++)
4529     {
4530       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4531       char identifier[32], name[32];
4532       int value = window_sizes_list[i].value;
4533       char *text = window_sizes_list[i].text;
4534
4535       ti->node_top = &window_sizes;
4536       ti->sort_priority = value;
4537
4538       sprintf(identifier, "%d", value);
4539       sprintf(name, "%s", text);
4540
4541       setString(&ti->identifier, identifier);
4542       setString(&ti->name, name);
4543       setString(&ti->name_sorting, name);
4544       setString(&ti->infotext, "Window Scaling");
4545
4546       pushTreeInfo(&window_sizes, ti);
4547
4548       if (value == setup.window_scaling_percent)
4549         current_window_size_found = TRUE;
4550     }
4551
4552     if (!current_window_size_found)
4553     {
4554       // add entry for non-preset window scaling value
4555
4556       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4557       char identifier[32], name[32];
4558       int value = setup.window_scaling_percent;
4559
4560       ti->node_top = &window_sizes;
4561       ti->sort_priority = value;
4562
4563       sprintf(identifier, "%d", value);
4564       sprintf(name, "%d %% (Current)", value);
4565
4566       setString(&ti->identifier, identifier);
4567       setString(&ti->name, name);
4568       setString(&ti->name_sorting, name);
4569       setString(&ti->infotext, "Window Scaling");
4570
4571       pushTreeInfo(&window_sizes, ti);
4572     }
4573
4574     /* sort window size values to start with lowest window size value */
4575     sortTreeInfo(&window_sizes);
4576
4577     /* set current window size value to configured window size value */
4578     window_size_current =
4579       getTreeInfoFromIdentifier(window_sizes,
4580                                 i_to_a(setup.window_scaling_percent));
4581
4582     /* if that fails, set current window size to reliable default value */
4583     if (window_size_current == NULL)
4584       window_size_current =
4585         getTreeInfoFromIdentifier(window_sizes,
4586                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4587
4588     /* if that also fails, set current window size to first available value */
4589     if (window_size_current == NULL)
4590       window_size_current = window_sizes;
4591   }
4592
4593   setup.window_scaling_percent = atoi(window_size_current->identifier);
4594
4595   /* needed for displaying window size text instead of identifier */
4596   window_size_text = window_size_current->name;
4597 }
4598
4599 static void execSetupGraphics_setScalingTypes()
4600 {
4601   if (scaling_types == NULL)
4602   {
4603     int i;
4604
4605     for (i = 0; scaling_types_list[i].value != NULL; i++)
4606     {
4607       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4608       char identifier[32], name[32];
4609       char *value = scaling_types_list[i].value;
4610       char *text = scaling_types_list[i].text;
4611
4612       ti->node_top = &scaling_types;
4613       ti->sort_priority = i;
4614
4615       sprintf(identifier, "%s", value);
4616       sprintf(name, "%s", text);
4617
4618       setString(&ti->identifier, identifier);
4619       setString(&ti->name, name);
4620       setString(&ti->name_sorting, name);
4621       setString(&ti->infotext, "Anti-Aliasing");
4622
4623       pushTreeInfo(&scaling_types, ti);
4624     }
4625
4626     /* sort scaling type values to start with lowest scaling type value */
4627     sortTreeInfo(&scaling_types);
4628
4629     /* set current scaling type value to configured scaling type value */
4630     scaling_type_current =
4631       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4632
4633     /* if that fails, set current scaling type to reliable default value */
4634     if (scaling_type_current == NULL)
4635       scaling_type_current =
4636         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4637
4638     /* if that also fails, set current scaling type to first available value */
4639     if (scaling_type_current == NULL)
4640       scaling_type_current = scaling_types;
4641   }
4642
4643   setup.window_scaling_quality = scaling_type_current->identifier;
4644
4645   /* needed for displaying scaling type text instead of identifier */
4646   scaling_type_text = scaling_type_current->name;
4647 }
4648
4649 static void execSetupGraphics_setScreenModes()
4650 {
4651   // if (screen_modes == NULL && video.fullscreen_available)
4652   if (screen_modes == NULL && video.fullscreen_modes != NULL)
4653   {
4654     int i;
4655
4656     for (i = 0; video.fullscreen_modes[i].width != -1; i++)
4657     {
4658       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4659       char identifier[32], name[32];
4660       int x = video.fullscreen_modes[i].width;
4661       int y = video.fullscreen_modes[i].height;
4662       int xx, yy;
4663
4664       get_aspect_ratio_from_screen_mode(&video.fullscreen_modes[i], &xx, &yy);
4665
4666       ti->node_top = &screen_modes;
4667       ti->sort_priority = x * 10000 + y;
4668
4669       sprintf(identifier, "%dx%d", x, y);
4670       sprintf(name, "%d x %d [%d:%d]", x, y, xx, yy);
4671
4672       setString(&ti->identifier, identifier);
4673       setString(&ti->name, name);
4674       setString(&ti->name_sorting, name);
4675       setString(&ti->infotext, "Fullscreen Mode");
4676
4677       pushTreeInfo(&screen_modes, ti);
4678     }
4679
4680     /* sort fullscreen modes to start with lowest available screen resolution */
4681     sortTreeInfo(&screen_modes);
4682
4683     /* set current screen mode for fullscreen mode to configured setup value */
4684     screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4685                                                     setup.fullscreen_mode);
4686
4687     /* if that fails, set current screen mode to reliable default value */
4688     if (screen_mode_current == NULL)
4689       screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4690                                                       DEFAULT_FULLSCREEN_MODE);
4691
4692     /* if that also fails, set current screen mode to first available mode */
4693     if (screen_mode_current == NULL)
4694       screen_mode_current = screen_modes;
4695
4696     if (screen_mode_current == NULL)
4697       video.fullscreen_available = FALSE;
4698   }
4699
4700   // if (video.fullscreen_available)
4701   if (screen_mode_current != NULL)
4702   {
4703     setup.fullscreen_mode = screen_mode_current->identifier;
4704
4705     /* needed for displaying screen mode name instead of identifier */
4706     screen_mode_text = screen_mode_current->name;
4707   }
4708 }
4709
4710 static void execSetupGraphics()
4711 {
4712   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4713   {
4714     // update "setup.window_scaling_percent" from list selection
4715     execSetupGraphics_setWindowSizes(FALSE);
4716   }
4717   else
4718   {
4719     // update list selection from "setup.window_scaling_percent"
4720     execSetupGraphics_setWindowSizes(TRUE);
4721   }
4722
4723   execSetupGraphics_setScalingTypes();
4724   execSetupGraphics_setScreenModes();
4725
4726   setup_mode = SETUP_MODE_GRAPHICS;
4727
4728   DrawSetupScreen();
4729
4730 #if defined(TARGET_SDL2)
4731   // window scaling may have changed at this point
4732   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4733
4734   // window scaling quality may have changed at this point
4735   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4736     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4737 #endif
4738 }
4739
4740 #if !defined(PLATFORM_ANDROID)
4741 #if defined(TARGET_SDL2)
4742 static void execSetupChooseWindowSize()
4743 {
4744   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4745
4746   DrawSetupScreen();
4747 }
4748
4749 static void execSetupChooseScalingType()
4750 {
4751   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4752
4753   DrawSetupScreen();
4754 }
4755 #else
4756 static void execSetupChooseScreenMode()
4757 {
4758   if (!video.fullscreen_available)
4759     return;
4760
4761   setup_mode = SETUP_MODE_CHOOSE_SCREEN_MODE;
4762
4763   DrawSetupScreen();
4764 }
4765 #endif
4766 #endif
4767
4768 static void execSetupChooseVolumeSimple()
4769 {
4770   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4771
4772   DrawSetupScreen();
4773 }
4774
4775 static void execSetupChooseVolumeLoops()
4776 {
4777   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4778
4779   DrawSetupScreen();
4780 }
4781
4782 static void execSetupChooseVolumeMusic()
4783 {
4784   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4785
4786   DrawSetupScreen();
4787 }
4788
4789 static void execSetupSound()
4790 {
4791   if (volumes_simple == NULL)
4792   {
4793     boolean current_volume_simple_found = FALSE;
4794     int i;
4795
4796     for (i = 0; volumes_list[i].value != -1; i++)
4797     {
4798       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4799       char identifier[32], name[32];
4800       int value = volumes_list[i].value;
4801       char *text = volumes_list[i].text;
4802
4803       ti->node_top = &volumes_simple;
4804       ti->sort_priority = value;
4805
4806       sprintf(identifier, "%d", value);
4807       sprintf(name, "%s", text);
4808
4809       setString(&ti->identifier, identifier);
4810       setString(&ti->name, name);
4811       setString(&ti->name_sorting, name);
4812       setString(&ti->infotext, "Sound Volume");
4813
4814       pushTreeInfo(&volumes_simple, ti);
4815
4816       if (value == setup.volume_simple)
4817         current_volume_simple_found = TRUE;
4818     }
4819
4820     if (!current_volume_simple_found)
4821     {
4822       // add entry for non-preset volume value
4823
4824       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4825       char identifier[32], name[32];
4826       int value = setup.volume_simple;
4827
4828       ti->node_top = &volumes_simple;
4829       ti->sort_priority = value;
4830
4831       sprintf(identifier, "%d", value);
4832       sprintf(name, "%d %% (Current)", value);
4833
4834       setString(&ti->identifier, identifier);
4835       setString(&ti->name, name);
4836       setString(&ti->name_sorting, name);
4837       setString(&ti->infotext, "Sound Volume");
4838
4839       pushTreeInfo(&volumes_simple, ti);
4840     }
4841
4842     /* sort volume values to start with lowest volume value */
4843     sortTreeInfo(&volumes_simple);
4844
4845     /* set current volume value to configured volume value */
4846     volume_simple_current =
4847       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4848
4849     /* if that fails, set current volume to reliable default value */
4850     if (volume_simple_current == NULL)
4851       volume_simple_current =
4852         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4853
4854     /* if that also fails, set current volume to first available value */
4855     if (volume_simple_current == NULL)
4856       volume_simple_current = volumes_simple;
4857   }
4858
4859   if (volumes_loops == NULL)
4860   {
4861     boolean current_volume_loops_found = FALSE;
4862     int i;
4863
4864     for (i = 0; volumes_list[i].value != -1; i++)
4865     {
4866       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4867       char identifier[32], name[32];
4868       int value = volumes_list[i].value;
4869       char *text = volumes_list[i].text;
4870
4871       ti->node_top = &volumes_loops;
4872       ti->sort_priority = value;
4873
4874       sprintf(identifier, "%d", value);
4875       sprintf(name, "%s", text);
4876
4877       setString(&ti->identifier, identifier);
4878       setString(&ti->name, name);
4879       setString(&ti->name_sorting, name);
4880       setString(&ti->infotext, "Loops Volume");
4881
4882       pushTreeInfo(&volumes_loops, ti);
4883
4884       if (value == setup.volume_loops)
4885         current_volume_loops_found = TRUE;
4886     }
4887
4888     if (!current_volume_loops_found)
4889     {
4890       // add entry for non-preset volume value
4891
4892       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4893       char identifier[32], name[32];
4894       int value = setup.volume_loops;
4895
4896       ti->node_top = &volumes_loops;
4897       ti->sort_priority = value;
4898
4899       sprintf(identifier, "%d", value);
4900       sprintf(name, "%d %% (Current)", value);
4901
4902       setString(&ti->identifier, identifier);
4903       setString(&ti->name, name);
4904       setString(&ti->name_sorting, name);
4905       setString(&ti->infotext, "Loops Volume");
4906
4907       pushTreeInfo(&volumes_loops, ti);
4908     }
4909
4910     /* sort volume values to start with lowest volume value */
4911     sortTreeInfo(&volumes_loops);
4912
4913     /* set current volume value to configured volume value */
4914     volume_loops_current =
4915       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4916
4917     /* if that fails, set current volume to reliable default value */
4918     if (volume_loops_current == NULL)
4919       volume_loops_current =
4920         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4921
4922     /* if that also fails, set current volume to first available value */
4923     if (volume_loops_current == NULL)
4924       volume_loops_current = volumes_loops;
4925   }
4926
4927   if (volumes_music == NULL)
4928   {
4929     boolean current_volume_music_found = FALSE;
4930     int i;
4931
4932     for (i = 0; volumes_list[i].value != -1; i++)
4933     {
4934       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4935       char identifier[32], name[32];
4936       int value = volumes_list[i].value;
4937       char *text = volumes_list[i].text;
4938
4939       ti->node_top = &volumes_music;
4940       ti->sort_priority = value;
4941
4942       sprintf(identifier, "%d", value);
4943       sprintf(name, "%s", text);
4944
4945       setString(&ti->identifier, identifier);
4946       setString(&ti->name, name);
4947       setString(&ti->name_sorting, name);
4948       setString(&ti->infotext, "Music Volume");
4949
4950       pushTreeInfo(&volumes_music, ti);
4951
4952       if (value == setup.volume_music)
4953         current_volume_music_found = TRUE;
4954     }
4955
4956     if (!current_volume_music_found)
4957     {
4958       // add entry for non-preset volume value
4959
4960       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4961       char identifier[32], name[32];
4962       int value = setup.volume_music;
4963
4964       ti->node_top = &volumes_music;
4965       ti->sort_priority = value;
4966
4967       sprintf(identifier, "%d", value);
4968       sprintf(name, "%d %% (Current)", value);
4969
4970       setString(&ti->identifier, identifier);
4971       setString(&ti->name, name);
4972       setString(&ti->name_sorting, name);
4973       setString(&ti->infotext, "Music Volume");
4974
4975       pushTreeInfo(&volumes_music, ti);
4976     }
4977
4978     /* sort volume values to start with lowest volume value */
4979     sortTreeInfo(&volumes_music);
4980
4981     /* set current volume value to configured volume value */
4982     volume_music_current =
4983       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4984
4985     /* if that fails, set current volume to reliable default value */
4986     if (volume_music_current == NULL)
4987       volume_music_current =
4988         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4989
4990     /* if that also fails, set current volume to first available value */
4991     if (volume_music_current == NULL)
4992       volume_music_current = volumes_music;
4993   }
4994
4995   setup.volume_simple = atoi(volume_simple_current->identifier);
4996   setup.volume_loops  = atoi(volume_loops_current->identifier);
4997   setup.volume_music  = atoi(volume_music_current->identifier);
4998
4999   /* needed for displaying volume text instead of identifier */
5000   volume_simple_text = volume_simple_current->name;
5001   volume_loops_text = volume_loops_current->name;
5002   volume_music_text = volume_music_current->name;
5003
5004   setup_mode = SETUP_MODE_SOUND;
5005
5006   DrawSetupScreen();
5007 }
5008
5009 static void execSetupChooseTouchControls()
5010 {
5011   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5012
5013   DrawSetupScreen();
5014 }
5015
5016 static void execSetupChooseMoveDistance()
5017 {
5018   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5019
5020   DrawSetupScreen();
5021 }
5022
5023 static void execSetupChooseDropDistance()
5024 {
5025   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5026
5027   DrawSetupScreen();
5028 }
5029
5030 static void execSetupTouch()
5031 {
5032   if (touch_controls == NULL)
5033   {
5034     int i;
5035
5036     for (i = 0; touch_controls_list[i].value != NULL; i++)
5037     {
5038       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5039       char identifier[32], name[32];
5040       char *value = touch_controls_list[i].value;
5041       char *text = touch_controls_list[i].text;
5042
5043       ti->node_top = &touch_controls;
5044       ti->sort_priority = i;
5045
5046       sprintf(identifier, "%s", value);
5047       sprintf(name, "%s", text);
5048
5049       setString(&ti->identifier, identifier);
5050       setString(&ti->name, name);
5051       setString(&ti->name_sorting, name);
5052       setString(&ti->infotext, "Control Type");
5053
5054       pushTreeInfo(&touch_controls, ti);
5055     }
5056
5057     /* sort touch control values to start with lowest touch control value */
5058     sortTreeInfo(&touch_controls);
5059
5060     /* set current touch control value to configured touch control value */
5061     touch_control_current =
5062       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5063
5064     /* if that fails, set current touch control to reliable default value */
5065     if (touch_control_current == NULL)
5066       touch_control_current =
5067         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5068
5069     /* if that also fails, set current touch control to first available value */
5070     if (touch_control_current == NULL)
5071       touch_control_current = touch_controls;
5072   }
5073
5074   if (move_distances == NULL)
5075   {
5076     int i;
5077
5078     for (i = 0; distances_list[i].value != -1; i++)
5079     {
5080       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5081       char identifier[32], name[32];
5082       int value = distances_list[i].value;
5083       char *text = distances_list[i].text;
5084
5085       ti->node_top = &move_distances;
5086       ti->sort_priority = value;
5087
5088       sprintf(identifier, "%d", value);
5089       sprintf(name, "%s", text);
5090
5091       setString(&ti->identifier, identifier);
5092       setString(&ti->name, name);
5093       setString(&ti->name_sorting, name);
5094       setString(&ti->infotext, "Move Distance");
5095
5096       pushTreeInfo(&move_distances, ti);
5097     }
5098
5099     /* sort distance values to start with lowest distance value */
5100     sortTreeInfo(&move_distances);
5101
5102     /* set current distance value to configured distance value */
5103     move_distance_current =
5104       getTreeInfoFromIdentifier(move_distances,
5105                                 i_to_a(setup.touch.move_distance));
5106
5107     /* if that fails, set current distance to reliable default value */
5108     if (move_distance_current == NULL)
5109       move_distance_current =
5110         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5111
5112     /* if that also fails, set current distance to first available value */
5113     if (move_distance_current == NULL)
5114       move_distance_current = move_distances;
5115   }
5116
5117   if (drop_distances == NULL)
5118   {
5119     int i;
5120
5121     for (i = 0; distances_list[i].value != -1; i++)
5122     {
5123       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5124       char identifier[32], name[32];
5125       int value = distances_list[i].value;
5126       char *text = distances_list[i].text;
5127
5128       ti->node_top = &drop_distances;
5129       ti->sort_priority = value;
5130
5131       sprintf(identifier, "%d", value);
5132       sprintf(name, "%s", text);
5133
5134       setString(&ti->identifier, identifier);
5135       setString(&ti->name, name);
5136       setString(&ti->name_sorting, name);
5137       setString(&ti->infotext, "Drop Distance");
5138
5139       pushTreeInfo(&drop_distances, ti);
5140     }
5141
5142     /* sort distance values to start with lowest distance value */
5143     sortTreeInfo(&drop_distances);
5144
5145     /* set current distance value to configured distance value */
5146     drop_distance_current =
5147       getTreeInfoFromIdentifier(drop_distances,
5148                                 i_to_a(setup.touch.drop_distance));
5149
5150     /* if that fails, set current distance to reliable default value */
5151     if (drop_distance_current == NULL)
5152       drop_distance_current =
5153         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5154
5155     /* if that also fails, set current distance to first available value */
5156     if (drop_distance_current == NULL)
5157       drop_distance_current = drop_distances;
5158   }
5159
5160   setup.touch.control_type = touch_control_current->identifier;
5161   setup.touch.move_distance = atoi(move_distance_current->identifier);
5162   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5163
5164   /* needed for displaying volume text instead of identifier */
5165   touch_controls_text = touch_control_current->name;
5166   move_distance_text = move_distance_current->name;
5167   drop_distance_text = drop_distance_current->name;
5168
5169   setup_mode = SETUP_MODE_TOUCH;
5170
5171   DrawSetupScreen();
5172 }
5173
5174 static void execSetupArtwork()
5175 {
5176 #if 0
5177   printf("::: '%s', '%s', '%s'\n",
5178          artwork.gfx_current->subdir,
5179          artwork.gfx_current->fullpath,
5180          artwork.gfx_current->basepath);
5181 #endif
5182
5183   setup.graphics_set = artwork.gfx_current->identifier;
5184   setup.sounds_set = artwork.snd_current->identifier;
5185   setup.music_set = artwork.mus_current->identifier;
5186
5187   /* needed if last screen (setup choice) changed graphics, sounds or music */
5188   ReloadCustomArtwork(0);
5189
5190   /* needed for displaying artwork name instead of artwork identifier */
5191   graphics_set_name = artwork.gfx_current->name;
5192   sounds_set_name = artwork.snd_current->name;
5193   music_set_name = artwork.mus_current->name;
5194
5195   setup_mode = SETUP_MODE_ARTWORK;
5196
5197   DrawSetupScreen();
5198 }
5199
5200 static void execSetupChooseGraphics()
5201 {
5202   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5203
5204   DrawSetupScreen();
5205 }
5206
5207 static void execSetupChooseSounds()
5208 {
5209   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5210
5211   DrawSetupScreen();
5212 }
5213
5214 static void execSetupChooseMusic()
5215 {
5216   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5217
5218   DrawSetupScreen();
5219 }
5220
5221 #if !defined(PLATFORM_ANDROID)
5222 static void execSetupInput()
5223 {
5224   setup_mode = SETUP_MODE_INPUT;
5225
5226   DrawSetupScreen();
5227 }
5228 #endif
5229
5230 static void execSetupShortcuts()
5231 {
5232   setup_mode = SETUP_MODE_SHORTCUTS;
5233
5234   DrawSetupScreen();
5235 }
5236
5237 static void execSetupShortcuts1()
5238 {
5239   setup_mode = SETUP_MODE_SHORTCUTS_1;
5240
5241   DrawSetupScreen();
5242 }
5243
5244 static void execSetupShortcuts2()
5245 {
5246   setup_mode = SETUP_MODE_SHORTCUTS_2;
5247
5248   DrawSetupScreen();
5249 }
5250
5251 static void execSetupShortcuts3()
5252 {
5253   setup_mode = SETUP_MODE_SHORTCUTS_3;
5254
5255   DrawSetupScreen();
5256 }
5257
5258 static void execSetupShortcuts4()
5259 {
5260   setup_mode = SETUP_MODE_SHORTCUTS_4;
5261
5262   DrawSetupScreen();
5263 }
5264
5265 static void execSetupShortcuts5()
5266 {
5267   setup_mode = SETUP_MODE_SHORTCUTS_5;
5268
5269   DrawSetupScreen();
5270 }
5271
5272 static void execExitSetup()
5273 {
5274   game_status = GAME_MODE_MAIN;
5275
5276   DrawMainMenu();
5277 }
5278
5279 static void execSaveAndExitSetup()
5280 {
5281   SaveSetup();
5282   execExitSetup();
5283 }
5284
5285 static struct TokenInfo setup_info_main[] =
5286 {
5287   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5288   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5289   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5290   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5291   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5292 #if !defined(PLATFORM_ANDROID)
5293   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5294   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5295 #else
5296   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5297 #endif
5298   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5299   { TYPE_EMPTY,         NULL,                   ""                      },
5300   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5301   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5302
5303   { 0,                  NULL,                   NULL                    }
5304 };
5305
5306 static struct TokenInfo setup_info_game[] =
5307 {
5308   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5309   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5310   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5311   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5312   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5313   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5314   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5315   { TYPE_STRING,        &game_speed_text,       ""                      },
5316 #if 1
5317   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5318   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5319 #endif
5320   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5321   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5322   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5323   { TYPE_EMPTY,         NULL,                   ""                      },
5324   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5325
5326   { 0,                  NULL,                   NULL                    }
5327 };
5328
5329 static struct TokenInfo setup_info_editor[] =
5330 {
5331 #if 0
5332   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5333   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5334   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5335   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5336   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5337   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5338   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5339   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5340 #endif
5341   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5342   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5343   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5344 #if 0
5345   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5346 #endif
5347   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5348   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5349   { TYPE_EMPTY,         NULL,                   ""                      },
5350 #if 0
5351   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5352   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5353   { TYPE_EMPTY,         NULL,                   ""                      },
5354 #endif
5355   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5356   { TYPE_EMPTY,         NULL,                   ""                      },
5357   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5358
5359   { 0,                  NULL,                   NULL                    }
5360 };
5361
5362 static struct TokenInfo setup_info_graphics[] =
5363 {
5364 #if !defined(PLATFORM_ANDROID)
5365   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5366 #if defined(TARGET_SDL2)
5367   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5368   { TYPE_STRING,        &window_size_text,      ""                      },
5369   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5370   { TYPE_STRING,        &scaling_type_text,     ""                      },
5371 #else
5372   { TYPE_ENTER_LIST,    execSetupChooseScreenMode, "Fullscreen Mode:"   },
5373   { TYPE_STRING,        &screen_mode_text,      ""                      },
5374 #endif
5375 #endif
5376 #if 0
5377   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5378   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5379 #endif
5380   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5381   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5382   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5383   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5384   { TYPE_SWITCH,        &setup.toons,           "Show Toons:"           },
5385   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5386   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5387   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5388   { TYPE_EMPTY,         NULL,                   ""                      },
5389   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5390
5391   { 0,                  NULL,                   NULL                    }
5392 };
5393
5394 static struct TokenInfo setup_info_sound[] =
5395 {
5396   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5397   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5398   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5399   { TYPE_EMPTY,         NULL,                   ""                      },
5400   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5401   { TYPE_STRING,        &volume_simple_text,    ""                      },
5402   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5403   { TYPE_STRING,        &volume_loops_text,     ""                      },
5404   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5405   { TYPE_STRING,        &volume_music_text,     ""                      },
5406   { TYPE_EMPTY,         NULL,                   ""                      },
5407   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5408
5409   { 0,                  NULL,                   NULL                    }
5410 };
5411
5412 static struct TokenInfo setup_info_artwork[] =
5413 {
5414   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5415   { TYPE_STRING,        &graphics_set_name,     ""                      },
5416   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5417   { TYPE_STRING,        &sounds_set_name,       ""                      },
5418   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5419   { TYPE_STRING,        &music_set_name,        ""                      },
5420   { TYPE_EMPTY,         NULL,                   ""                      },
5421   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5422   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5423   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5424   { TYPE_EMPTY,         NULL,                   ""                      },
5425   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5426
5427   { 0,                  NULL,                   NULL                    }
5428 };
5429
5430 static struct TokenInfo setup_info_input[] =
5431 {
5432   { TYPE_SWITCH,        NULL,                   "Player:"               },
5433   { TYPE_SWITCH,        NULL,                   "Device:"               },
5434   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5435   { TYPE_EMPTY,         NULL,                   ""                      },
5436   { TYPE_EMPTY,         NULL,                   ""                      },
5437   { TYPE_EMPTY,         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_LEAVE_MENU,    execSetupMain,          "Back"                  },
5446
5447   { 0,                  NULL,                   NULL                    }
5448 };
5449
5450 static struct TokenInfo setup_info_touch[] =
5451 {
5452   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5453   { TYPE_STRING,        &touch_controls_text,   ""                      },
5454   { TYPE_EMPTY,         NULL,                   ""                      },
5455   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5456   { TYPE_STRING,        &move_distance_text,    ""                      },
5457   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5458   { TYPE_STRING,        &drop_distance_text,    ""                      },
5459   { TYPE_EMPTY,         NULL,                   ""                      },
5460   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5461
5462   { 0,                  NULL,                   NULL                    }
5463 };
5464
5465 static struct TokenInfo setup_info_shortcuts[] =
5466 {
5467   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5468   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5469   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5470   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5471   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5472   { TYPE_EMPTY,         NULL,                   ""                      },
5473   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5474
5475   { 0,                  NULL,                   NULL                    }
5476 };
5477
5478 static struct TokenInfo setup_info_shortcuts_1[] =
5479 {
5480   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5481   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5482   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5483   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5484   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5485   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5486   { TYPE_EMPTY,         NULL,                   ""                      },
5487   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5488   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5489   { TYPE_EMPTY,         NULL,                   ""                      },
5490   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5491
5492   { 0,                  NULL,                   NULL                    }
5493 };
5494
5495 static struct TokenInfo setup_info_shortcuts_2[] =
5496 {
5497   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5498   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5499   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5500   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5501   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5502   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5503   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5504   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5505   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5506   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5507   { TYPE_EMPTY,         NULL,                   ""                      },
5508   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5509
5510   { 0,                  NULL,                   NULL                    }
5511 };
5512
5513 static struct TokenInfo setup_info_shortcuts_3[] =
5514 {
5515   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5516   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5517   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5518   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5519   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5520   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5521   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5522   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5523   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5524   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5525   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5526   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5527   { TYPE_EMPTY,         NULL,                   ""                      },
5528   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5529
5530   { 0,                  NULL,                   NULL                    }
5531 };
5532
5533 static struct TokenInfo setup_info_shortcuts_4[] =
5534 {
5535   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5536   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5537   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5538   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5539   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5540   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5541   { TYPE_EMPTY,         NULL,                   ""                      },
5542   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5543
5544   { 0,                  NULL,                   NULL                    }
5545 };
5546
5547 static struct TokenInfo setup_info_shortcuts_5[] =
5548 {
5549   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5550   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5551   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5552   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5553   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5554   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5555   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5556   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5557   { TYPE_EMPTY,         NULL,                   ""                      },
5558   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5559
5560   { 0,                  NULL,                   NULL                    }
5561 };
5562
5563 static Key getSetupKey()
5564 {
5565   Key key = KSYM_UNDEFINED;
5566   boolean got_key_event = FALSE;
5567
5568   while (!got_key_event)
5569   {
5570     if (PendingEvent())         /* got event */
5571     {
5572       Event event;
5573
5574       NextEvent(&event);
5575
5576       switch (event.type)
5577       {
5578         case EVENT_KEYPRESS:
5579           {
5580             key = GetEventKey((KeyEvent *)&event, TRUE);
5581
5582             /* press 'Escape' or 'Enter' to keep the existing key binding */
5583             if (key == KSYM_Escape || key == KSYM_Return)
5584               key = KSYM_UNDEFINED;     /* keep old value */
5585
5586             got_key_event = TRUE;
5587           }
5588           break;
5589
5590         case EVENT_KEYRELEASE:
5591           key_joystick_mapping = 0;
5592           break;
5593
5594         default:
5595           HandleOtherEvents(&event);
5596           break;
5597       }
5598     }
5599
5600     DoAnimation();
5601     BackToFront();
5602
5603     /* don't eat all CPU time */
5604     Delay(10);
5605   }
5606
5607   return key;
5608 }
5609
5610 static int getSetupValueFont(int type, void *value)
5611 {
5612   if (type & TYPE_KEY)
5613     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5614   else if (type & TYPE_STRING)
5615     return FONT_VALUE_2;
5616   else if (type & TYPE_ECS_AGA)
5617     return FONT_VALUE_1;
5618   else if (type & TYPE_BOOLEAN_STYLE)
5619     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5620   else if (type & TYPE_YES_NO_AUTO)
5621     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5622             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5623   else
5624     return FONT_VALUE_1;
5625 }
5626
5627 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5628 {
5629   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5630   struct TokenInfo *si = &setup_info[si_pos];
5631   boolean font_draw_xoffset_modified = FALSE;
5632   int font_draw_xoffset_old = -1;
5633   int xoffset = (num_setup_info < max_setup_info ? -1 : 0);
5634   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5635   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5636   int xpos = menu_screen_value_xpos;
5637   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5638   int startx = mSX + xpos * 32;
5639   int starty = mSY + ypos * 32;
5640   int font_nr, font_width;
5641   int type = si->type;
5642   void *value = si->value;
5643   char *value_string = getSetupValue(type, value);
5644   int i;
5645
5646   if (value_string == NULL)
5647     return;
5648
5649   if (type & TYPE_KEY)
5650   {
5651     xpos = MENU_SCREEN_START_XPOS;
5652
5653     if (type & TYPE_QUERY)
5654       value_string = "<press key>";
5655   }
5656   else if (type & TYPE_STRING)
5657   {
5658     int max_value_len = (SCR_FIELDX - 2) * 2;
5659
5660     xpos = MENU_SCREEN_START_XPOS;
5661
5662     if (strlen(value_string) > max_value_len)
5663       value_string[max_value_len] = '\0';
5664   }
5665   else if (type & TYPE_YES_NO_AUTO)
5666   {
5667     xpos = menu_screen_value_xpos - 1;
5668   }
5669
5670   startx = mSX + xpos * 32;
5671   starty = mSY + ypos * 32;
5672   font_nr = getSetupValueFont(type, value);
5673   font_width = getFontWidth(font_nr);
5674
5675   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5676   if (setup_mode != SETUP_MODE_INPUT)
5677   {
5678     int max_menu_text_length_big = (menu_screen_value_xpos -
5679                                     MENU_SCREEN_START_XPOS);
5680     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5681     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5682     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5683     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5684     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5685     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5686     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5687     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5688     boolean correct_font_draw_xoffset = FALSE;
5689
5690     if (xpos == MENU_SCREEN_START_XPOS &&
5691         startx + font1_xoffset < text_startx + text_font_xoffset)
5692       correct_font_draw_xoffset = TRUE;
5693
5694     if (xpos == menu_screen_value_xpos &&
5695         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5696       correct_font_draw_xoffset = TRUE;
5697
5698     /* check if setup value would overlap with setup text when printed */
5699     /* (this can happen for extreme/wrong values for font draw offset) */
5700     if (correct_font_draw_xoffset)
5701     {
5702       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5703       font_draw_xoffset_modified = TRUE;
5704
5705       if (type & TYPE_KEY)
5706         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5707       else if (!(type & TYPE_STRING))
5708         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5709           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5710     }
5711   }
5712
5713   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5714     DrawText(startx + i * font_width, starty, " ", font_nr);
5715
5716   DrawText(startx, starty, value_string, font_nr);
5717
5718   if (font_draw_xoffset_modified)
5719     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5720 }
5721
5722 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5723 {
5724   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5725   struct TokenInfo *si = &setup_info[si_pos];
5726
5727   if (si->type & TYPE_BOOLEAN_STYLE)
5728   {
5729     *(boolean *)si->value ^= TRUE;
5730   }
5731   else if (si->type & TYPE_YES_NO_AUTO)
5732   {
5733     *(int *)si->value =
5734       (dx == -1 ?
5735        (*(int *)si->value == AUTO ? TRUE :
5736         *(int *)si->value == TRUE ? FALSE : AUTO) :
5737        (*(int *)si->value == TRUE ? AUTO :
5738         *(int *)si->value == AUTO ? FALSE : TRUE));
5739   }
5740   else if (si->type & TYPE_KEY)
5741   {
5742     Key key;
5743
5744     si->type |= TYPE_QUERY;
5745     drawSetupValue(screen_pos, setup_info_pos_raw);
5746     si->type &= ~TYPE_QUERY;
5747
5748     key = getSetupKey();
5749     if (key != KSYM_UNDEFINED)
5750       *(Key *)si->value = key;
5751   }
5752
5753   drawSetupValue(screen_pos, setup_info_pos_raw);
5754
5755   // fullscreen state may have changed at this point
5756   if (si->value == &setup.fullscreen)
5757     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5758 }
5759
5760 static void DrawSetupScreen_Generic()
5761 {
5762   int fade_mask = REDRAW_FIELD;
5763   boolean redraw_all = FALSE;
5764   char *title_string = NULL;
5765   int i;
5766
5767   if (CheckIfGlobalBorderHasChanged())
5768     fade_mask = REDRAW_ALL;
5769
5770   UnmapAllGadgets();
5771
5772   FreeScreenGadgets();
5773   CreateScreenGadgets();
5774
5775   CloseDoor(DOOR_CLOSE_2);
5776
5777   if (redraw_mask & REDRAW_ALL)
5778     redraw_all = TRUE;
5779
5780   FadeOut(fade_mask);
5781
5782   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5783
5784   ClearField();
5785
5786   if (setup_mode == SETUP_MODE_MAIN)
5787   {
5788     setup_info = setup_info_main;
5789     title_string = "Setup";
5790   }
5791   else if (setup_mode == SETUP_MODE_GAME)
5792   {
5793     setup_info = setup_info_game;
5794     title_string = "Setup Game";
5795   }
5796   else if (setup_mode == SETUP_MODE_EDITOR)
5797   {
5798     setup_info = setup_info_editor;
5799     title_string = "Setup Editor";
5800   }
5801   else if (setup_mode == SETUP_MODE_GRAPHICS)
5802   {
5803     setup_info = setup_info_graphics;
5804     title_string = "Setup Graphics";
5805   }
5806   else if (setup_mode == SETUP_MODE_SOUND)
5807   {
5808     setup_info = setup_info_sound;
5809     title_string = "Setup Sound";
5810   }
5811   else if (setup_mode == SETUP_MODE_ARTWORK)
5812   {
5813     setup_info = setup_info_artwork;
5814     title_string = "Custom Artwork";
5815   }
5816   else if (setup_mode == SETUP_MODE_TOUCH)
5817   {
5818     setup_info = setup_info_touch;
5819     title_string = "Setup Touch Ctrls";
5820   }
5821   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5822   {
5823     setup_info = setup_info_shortcuts;
5824     title_string = "Setup Shortcuts";
5825   }
5826   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5827   {
5828     setup_info = setup_info_shortcuts_1;
5829     title_string = "Setup Shortcuts";
5830   }
5831   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5832   {
5833     setup_info = setup_info_shortcuts_2;
5834     title_string = "Setup Shortcuts";
5835   }
5836   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5837   {
5838     setup_info = setup_info_shortcuts_3;
5839     title_string = "Setup Shortcuts";
5840   }
5841   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5842   {
5843     setup_info = setup_info_shortcuts_4;
5844     title_string = "Setup Shortcuts";
5845   }
5846   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5847   {
5848     setup_info = setup_info_shortcuts_5;
5849     title_string = "Setup Shortcuts";
5850   }
5851
5852   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5853
5854   // determine maximal number of setup entries that can be displayed on screen
5855   num_setup_info = 0;
5856   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5857     num_setup_info++;
5858
5859   // determine maximal number of setup entries available for this setup screen
5860   max_setup_info = 0;
5861   for (i = 0; setup_info[i].type != 0; i++)
5862     max_setup_info++;
5863
5864   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5865
5866   MapScreenGadgets(max_setup_info);
5867
5868   if (redraw_all)
5869     redraw_mask = fade_mask = REDRAW_ALL;
5870
5871   DrawMaskedBorder(fade_mask);
5872
5873   FadeIn(fade_mask);
5874
5875   InitAnimation();
5876 }
5877
5878 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5879 {
5880   menu_info = setup_info;
5881
5882   HandleMenuScreen(mx, my, dx, dy, button,
5883                    setup_mode, num_setup_info, max_setup_info);
5884 }
5885
5886 void DrawSetupScreen_Input()
5887 {
5888   int i;
5889
5890   FadeOut(REDRAW_FIELD);
5891
5892   ClearField();
5893
5894   setup_info = setup_info_input;
5895
5896   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5897
5898   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5899                     "Joysticks deactivated on this screen");
5900
5901   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5902   {
5903     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5904       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5905     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5906       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5907     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5908       initCursor(i, IMG_MENU_BUTTON);
5909
5910     DrawCursorAndText_Setup(i, -1, FALSE);
5911   }
5912
5913   /* create gadgets for setup input menu screen */
5914   FreeScreenGadgets();
5915   CreateScreenGadgets();
5916
5917   /* map gadgets for setup input menu screen */
5918   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5919
5920   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5921
5922   FadeIn(REDRAW_FIELD);
5923
5924   InitAnimation();
5925 }
5926
5927 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5928 {
5929   if (device_name == NULL)
5930     return;
5931
5932   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5933     device_nr = 0;
5934
5935   if (strlen(device_name) > 1)
5936   {
5937     char c1 = device_name[strlen(device_name) - 1];
5938     char c2 = device_name[strlen(device_name) - 2];
5939
5940     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5941       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5942   }
5943   else
5944     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5945             strlen(device_name));
5946 }
5947
5948 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5949 {
5950   int i;
5951   static struct SetupKeyboardInfo custom_key;
5952   static struct
5953   {
5954     Key *key;
5955     char *text;
5956   } custom[] =
5957   {
5958     { &custom_key.left,  "Joystick Left"  },
5959     { &custom_key.right, "Joystick Right" },
5960     { &custom_key.up,    "Joystick Up"    },
5961     { &custom_key.down,  "Joystick Down"  },
5962     { &custom_key.snap,  "Button 1"       },
5963     { &custom_key.drop,  "Button 2"       }
5964   };
5965   static char *joystick_name[MAX_PLAYERS] =
5966   {
5967     "Joystick1",
5968     "Joystick2",
5969     "Joystick3",
5970     "Joystick4"
5971   };
5972   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5973
5974   InitJoysticks();
5975
5976   custom_key = setup.input[player_nr].key;
5977
5978   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5979            FONT_INPUT_1_ACTIVE);
5980
5981   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5982                              TILEX, TILEY);
5983   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5984                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5985
5986   if (setup.input[player_nr].use_joystick)
5987   {
5988     char *device_name = setup.input[player_nr].joy.device_name;
5989     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
5990     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
5991
5992     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
5993     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
5994   }
5995   else
5996   {
5997     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
5998     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
5999   }
6000
6001   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
6002
6003   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
6004   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
6005   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
6006   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6007
6008   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6009   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6010   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6011   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6012   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6013   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6014
6015   for (i = 0; i < 6; i++)
6016   {
6017     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6018
6019     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6020              "              ", FONT_VALUE_1);
6021     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6022              (setup.input[player_nr].use_joystick ?
6023               custom[i].text :
6024               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6025   }
6026 }
6027
6028 static int input_player_nr = 0;
6029
6030 void HandleSetupScreen_Input_Player(int step, int direction)
6031 {
6032   int old_player_nr = input_player_nr;
6033   int new_player_nr;
6034
6035   new_player_nr = old_player_nr + step * direction;
6036   if (new_player_nr < 0)
6037     new_player_nr = 0;
6038   if (new_player_nr > MAX_PLAYERS - 1)
6039     new_player_nr = MAX_PLAYERS - 1;
6040
6041   if (new_player_nr != old_player_nr)
6042   {
6043     input_player_nr = new_player_nr;
6044
6045     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6046   }
6047 }
6048
6049 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6050 {
6051   static int choice = 0;
6052   int x = 0;
6053   int y = choice;
6054   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6055   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6056   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6057   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6058
6059   if (button == MB_MENU_INITIALIZE)
6060   {
6061     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6062
6063     DrawCursorAndText_Setup(choice, -1, TRUE);
6064
6065     return;
6066   }
6067   else if (button == MB_MENU_LEAVE)
6068   {
6069     setup_mode = SETUP_MODE_MAIN;
6070     DrawSetupScreen();
6071     InitJoysticks();
6072
6073     return;
6074   }
6075
6076   if (mx || my)         /* mouse input */
6077   {
6078     x = (mx - mSX) / 32;
6079     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6080   }
6081   else if (dx || dy)    /* keyboard input */
6082   {
6083     if (dx && choice == 0)
6084       x = (dx < 0 ? 10 : 12);
6085     else if ((dx && choice == 1) ||
6086              (dx == +1 && choice == 2) ||
6087              (dx == -1 && choice == pos_end))
6088       button = MB_MENU_CHOICE;
6089     else if (dy)
6090       y = choice + dy;
6091
6092     if (y >= pos_empty1 && y <= pos_empty2)
6093       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6094   }
6095
6096   if (y == 0 && dx != 0 && button)
6097   {
6098     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6099   }
6100   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6101            y >= pos_start && y <= pos_end &&
6102            !(y >= pos_empty1 && y <= pos_empty2))
6103   {
6104     if (button)
6105     {
6106       if (y != choice)
6107       {
6108         DrawCursorAndText_Setup(choice, -1, FALSE);
6109         DrawCursorAndText_Setup(y, -1, TRUE);
6110
6111         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6112
6113         choice = y;
6114       }
6115     }
6116     else
6117     {
6118       if (y == 1)
6119       {
6120         char *device_name = setup.input[input_player_nr].joy.device_name;
6121
6122         if (!setup.input[input_player_nr].use_joystick)
6123         {
6124           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6125
6126           setJoystickDeviceToNr(device_name, new_device_nr);
6127           setup.input[input_player_nr].use_joystick = TRUE;
6128         }
6129         else
6130         {
6131           int device_nr = getJoystickNrFromDeviceName(device_name);
6132           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6133
6134           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6135             setup.input[input_player_nr].use_joystick = FALSE;
6136           else
6137             setJoystickDeviceToNr(device_name, new_device_nr);
6138         }
6139
6140         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6141       }
6142       else if (y == 2)
6143       {
6144         if (setup.input[input_player_nr].use_joystick)
6145         {
6146           InitJoysticks();
6147           CalibrateJoystick(input_player_nr);
6148         }
6149         else
6150           CustomizeKeyboard(input_player_nr);
6151       }
6152       else if (y == pos_end)
6153       {
6154         InitJoysticks();
6155
6156         FadeSetLeaveMenu();
6157
6158         setup_mode = SETUP_MODE_MAIN;
6159         DrawSetupScreen();
6160       }
6161     }
6162   }
6163 }
6164
6165 void CustomizeKeyboard(int player_nr)
6166 {
6167   int i;
6168   int step_nr;
6169   boolean finished = FALSE;
6170   static struct SetupKeyboardInfo custom_key;
6171   static struct
6172   {
6173     Key *key;
6174     char *text;
6175   } customize_step[] =
6176   {
6177     { &custom_key.left,  "Move Left"    },
6178     { &custom_key.right, "Move Right"   },
6179     { &custom_key.up,    "Move Up"      },
6180     { &custom_key.down,  "Move Down"    },
6181     { &custom_key.snap,  "Snap Field"   },
6182     { &custom_key.drop,  "Drop Element" }
6183   };
6184
6185   /* read existing key bindings from player setup */
6186   custom_key = setup.input[player_nr].key;
6187
6188   FadeSetEnterMenu();
6189   FadeOut(REDRAW_FIELD);
6190
6191   ClearField();
6192
6193   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6194
6195   step_nr = 0;
6196   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6197            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6198   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6199            "Key:", FONT_INPUT_1_ACTIVE);
6200   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6201            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6202
6203   FadeIn(REDRAW_FIELD);
6204
6205   InitAnimation();
6206
6207   while (!finished)
6208   {
6209     if (PendingEvent())         /* got event */
6210     {
6211       Event event;
6212
6213       NextEvent(&event);
6214
6215       switch (event.type)
6216       {
6217         case EVENT_KEYPRESS:
6218           {
6219             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6220
6221             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6222             {
6223               if (key == KSYM_Escape)
6224                 FadeSkipNextFadeIn();
6225
6226               finished = TRUE;
6227               break;
6228             }
6229
6230             /* all keys configured -- wait for "Escape" or "Return" key */
6231             if (step_nr == 6)
6232               break;
6233
6234             /* press 'Enter' to keep the existing key binding */
6235             if (key == KSYM_Return)
6236               key = *customize_step[step_nr].key;
6237
6238             /* check if key already used */
6239             for (i = 0; i < step_nr; i++)
6240               if (*customize_step[i].key == key)
6241                 break;
6242             if (i < step_nr)
6243               break;
6244
6245             /* got new key binding */
6246             *customize_step[step_nr].key = key;
6247             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6248                      "             ", FONT_VALUE_1);
6249             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6250                      getKeyNameFromKey(key), FONT_VALUE_1);
6251             step_nr++;
6252
6253             /* un-highlight last query */
6254             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6255                      customize_step[step_nr - 1].text, FONT_MENU_1);
6256             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6257                      "Key:", FONT_MENU_1);
6258
6259             /* press 'Enter' to leave */
6260             if (step_nr == 6)
6261             {
6262               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6263                        "Press Enter", FONT_TITLE_1);
6264               break;
6265             }
6266
6267             /* query next key binding */
6268             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6269                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6270             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6271                      "Key:", FONT_INPUT_1_ACTIVE);
6272             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6273                      getKeyNameFromKey(*customize_step[step_nr].key),
6274                      FONT_VALUE_OLD);
6275           }
6276           break;
6277
6278         case EVENT_KEYRELEASE:
6279           key_joystick_mapping = 0;
6280           break;
6281
6282         default:
6283           HandleOtherEvents(&event);
6284           break;
6285       }
6286     }
6287
6288     DoAnimation();
6289     BackToFront();
6290
6291     /* don't eat all CPU time */
6292     Delay(10);
6293   }
6294
6295   /* write new key bindings back to player setup */
6296   setup.input[player_nr].key = custom_key;
6297
6298   StopAnimation();
6299   DrawSetupScreen_Input();
6300 }
6301
6302 static boolean CalibrateJoystickMain(int player_nr)
6303 {
6304   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6305   int new_joystick_xright = JOYSTICK_XMIDDLE;
6306   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6307   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6308   int new_joystick_xmiddle, new_joystick_ymiddle;
6309
6310   int joystick_fd = joystick.fd[player_nr];
6311   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6312   boolean check[3][3];
6313   int check_remaining = 3 * 3;
6314   int joy_x, joy_y;
6315   int joy_value;
6316   int result = -1;
6317
6318   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6319     return FALSE;
6320
6321   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6322     return FALSE;
6323
6324   FadeSetEnterMenu();
6325   FadeOut(REDRAW_FIELD);
6326
6327   ClearField();
6328
6329   for (y = 0; y < 3; y++)
6330   {
6331     for (x = 0; x < 3; x++)
6332     {
6333       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6334       check[x][y] = FALSE;
6335     }
6336   }
6337
6338   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6339   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6340   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6341   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6342   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6343   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6344   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6345
6346   joy_value = Joystick(player_nr);
6347   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6348   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6349
6350   /* eventually uncalibrated center position (joystick could be uncentered) */
6351   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6352     return FALSE;
6353
6354   new_joystick_xmiddle = joy_x;
6355   new_joystick_ymiddle = joy_y;
6356
6357   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6358
6359   FadeIn(REDRAW_FIELD);
6360
6361   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6362   InitAnimation();
6363
6364   while (result < 0)
6365   {
6366     if (PendingEvent())         /* got event */
6367     {
6368       Event event;
6369
6370       NextEvent(&event);
6371
6372       switch (event.type)
6373       {
6374         case EVENT_KEYPRESS:
6375           switch (GetEventKey((KeyEvent *)&event, TRUE))
6376           {
6377             case KSYM_Return:
6378               if (check_remaining == 0)
6379                 result = 1;
6380               break;
6381
6382             case KSYM_Escape:
6383               FadeSkipNextFadeIn();
6384               result = 0;
6385               break;
6386
6387             default:
6388               break;
6389           }
6390           break;
6391
6392         case EVENT_KEYRELEASE:
6393           key_joystick_mapping = 0;
6394           break;
6395
6396         default:
6397           HandleOtherEvents(&event);
6398           break;
6399       }
6400     }
6401
6402     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6403       return FALSE;
6404
6405     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6406     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6407     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6408     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6409
6410     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6411     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6412     setup.input[player_nr].joy.xright = new_joystick_xright;
6413     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6414     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6415     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6416
6417     CheckJoystickData();
6418
6419     joy_value = Joystick(player_nr);
6420
6421     if (joy_value & JOY_BUTTON && check_remaining == 0)
6422       result = 1;
6423
6424     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6425     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6426
6427     if (x != last_x || y != last_y)
6428     {
6429       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6430                        IMG_MENU_CALIBRATE_YELLOW, 0);
6431       DrawFixedGraphic(xpos + x,      ypos + y,
6432                        IMG_MENU_CALIBRATE_RED,    0);
6433
6434       last_x = x;
6435       last_y = y;
6436
6437       if (check_remaining > 0 && !check[x+1][y+1])
6438       {
6439         check[x+1][y+1] = TRUE;
6440         check_remaining--;
6441       }
6442     }
6443
6444     DoAnimation();
6445     BackToFront();
6446
6447     /* don't eat all CPU time */
6448     Delay(10);
6449   }
6450
6451   /* calibrated center position (joystick should now be centered) */
6452   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6453     return FALSE;
6454
6455   new_joystick_xmiddle = joy_x;
6456   new_joystick_ymiddle = joy_y;
6457
6458   StopAnimation();
6459
6460   /* wait until the last pressed button was released */
6461   while (Joystick(player_nr) & JOY_BUTTON)
6462   {
6463     if (PendingEvent())         /* got event */
6464     {
6465       Event event;
6466
6467       NextEvent(&event);
6468       HandleOtherEvents(&event);
6469
6470       Delay(10);
6471     }
6472   }
6473
6474   return TRUE;
6475 }
6476
6477 void CalibrateJoystick(int player_nr)
6478 {
6479   if (!CalibrateJoystickMain(player_nr))
6480   {
6481     char *device_name = setup.input[player_nr].joy.device_name;
6482     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6483     int xpos = mSX - SX;
6484     int ypos = mSY - SY;
6485
6486     ClearField();
6487
6488     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6489     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6490     BackToFront();
6491
6492     Delay(2000);                /* show error message for a short time */
6493
6494     ClearEventQueue();
6495   }
6496
6497   DrawSetupScreen_Input();
6498 }
6499
6500 void DrawSetupScreen()
6501 {
6502   DeactivateJoystick();
6503
6504   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6505
6506   if (setup_mode == SETUP_MODE_INPUT)
6507     DrawSetupScreen_Input();
6508   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6509     DrawChooseTree(&game_speed_current);
6510   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6511     DrawChooseTree(&scroll_delay_current);
6512   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6513     DrawChooseTree(&snapshot_mode_current);
6514   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6515     DrawChooseTree(&screen_mode_current);
6516   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6517     DrawChooseTree(&window_size_current);
6518   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6519     DrawChooseTree(&scaling_type_current);
6520   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6521     DrawChooseTree(&artwork.gfx_current);
6522   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6523     DrawChooseTree(&artwork.snd_current);
6524   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6525     DrawChooseTree(&artwork.mus_current);
6526   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6527     DrawChooseTree(&volume_simple_current);
6528   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6529     DrawChooseTree(&volume_loops_current);
6530   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6531     DrawChooseTree(&volume_music_current);
6532   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6533     DrawChooseTree(&touch_control_current);
6534   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6535     DrawChooseTree(&move_distance_current);
6536   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6537     DrawChooseTree(&drop_distance_current);
6538   else
6539     DrawSetupScreen_Generic();
6540
6541   PlayMenuSound();
6542   PlayMenuMusic();
6543 }
6544
6545 void RedrawSetupScreenAfterFullscreenToggle()
6546 {
6547   if (setup_mode == SETUP_MODE_GRAPHICS ||
6548       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6549   {
6550     // update list selection from "setup.window_scaling_percent"
6551     execSetupGraphics_setWindowSizes(TRUE);
6552
6553     DrawSetupScreen();
6554   }
6555 }
6556
6557 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6558 {
6559   if (setup_mode == SETUP_MODE_INPUT)
6560     HandleSetupScreen_Input(mx, my, dx, dy, button);
6561   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6562     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6563   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6564     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6565   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6566     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6567   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6568     HandleChooseTree(mx, my, dx, dy, button, &screen_mode_current);
6569   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6570     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6571   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6572     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6573   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6574     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6575   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6576     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6577   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6578     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6579   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6580     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6581   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6582     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6583   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6584     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6585   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6586     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6587   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6588     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6589   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6590     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6591   else
6592     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6593 }
6594
6595 void HandleGameActions()
6596 {
6597   if (game_status != GAME_MODE_PLAYING)
6598     return;
6599
6600   GameActions();        /* main game loop */
6601
6602   if (tape.auto_play && !tape.playing)
6603     AutoPlayTape();     /* continue automatically playing next tape */
6604 }
6605
6606
6607 /* ---------- new screen button stuff -------------------------------------- */
6608
6609 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6610 {
6611   switch (gadget_id)
6612   {
6613     case SCREEN_CTRL_ID_PREV_LEVEL:
6614       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6615       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6616       break;
6617
6618     case SCREEN_CTRL_ID_NEXT_LEVEL:
6619       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6620       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6621       break;
6622
6623     case SCREEN_CTRL_ID_PREV_PLAYER:
6624       *x = mSX + TILEX * 10;
6625       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6626       break;
6627
6628     case SCREEN_CTRL_ID_NEXT_PLAYER:
6629       *x = mSX + TILEX * 12;
6630       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6631       break;
6632
6633     default:
6634       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6635   }
6636 }
6637
6638 static struct
6639 {
6640   int gfx_unpressed, gfx_pressed;
6641   void (*get_gadget_position)(int *, int *, int);
6642   int gadget_id;
6643   int screen_mask;
6644   char *infotext;
6645 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6646 {
6647   {
6648     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6649     getScreenMenuButtonPos,
6650     SCREEN_CTRL_ID_PREV_LEVEL,
6651     SCREEN_MASK_MAIN,
6652     "last level"
6653   },
6654   {
6655     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6656     getScreenMenuButtonPos,
6657     SCREEN_CTRL_ID_NEXT_LEVEL,
6658     SCREEN_MASK_MAIN,
6659     "next level"
6660   },
6661   {
6662     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6663     getScreenMenuButtonPos,
6664     SCREEN_CTRL_ID_PREV_PLAYER,
6665     SCREEN_MASK_INPUT,
6666     "last player"
6667   },
6668   {
6669     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6670     getScreenMenuButtonPos,
6671     SCREEN_CTRL_ID_NEXT_PLAYER,
6672     SCREEN_MASK_INPUT,
6673     "next player"
6674   },
6675 };
6676
6677 static struct
6678 {
6679   int gfx_unpressed, gfx_pressed;
6680   int x, y;
6681   int gadget_id;
6682   char *infotext;
6683 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6684 {
6685   {
6686     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6687     -1, -1,     /* these values are not constant, but can change at runtime */
6688     SCREEN_CTRL_ID_SCROLL_UP,
6689     "scroll up"
6690   },
6691   {
6692     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6693     -1, -1,     /* these values are not constant, but can change at runtime */
6694     SCREEN_CTRL_ID_SCROLL_DOWN,
6695     "scroll down"
6696   }
6697 };
6698
6699 static struct
6700 {
6701   int gfx_unpressed, gfx_pressed;
6702   int x, y;
6703   int width, height;
6704   int type;
6705   int gadget_id;
6706   char *infotext;
6707 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6708 {
6709   {
6710     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6711     -1, -1,     /* these values are not constant, but can change at runtime */
6712     -1, -1,     /* these values are not constant, but can change at runtime */
6713     GD_TYPE_SCROLLBAR_VERTICAL,
6714     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6715     "scroll level series vertically"
6716   }
6717 };
6718
6719 static void CreateScreenMenubuttons()
6720 {
6721   struct GadgetInfo *gi;
6722   unsigned int event_mask;
6723   int i;
6724
6725   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6726   {
6727     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6728     int gfx_unpressed, gfx_pressed;
6729     int x, y, width, height;
6730     int gd_x1, gd_x2, gd_y1, gd_y2;
6731     int id = menubutton_info[i].gadget_id;
6732
6733     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6734
6735     menubutton_info[i].get_gadget_position(&x, &y, id);
6736
6737     width = SC_MENUBUTTON_XSIZE;
6738     height = SC_MENUBUTTON_YSIZE;
6739
6740     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6741     gfx_pressed   = menubutton_info[i].gfx_pressed;
6742     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6743     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6744     gd_x1 = graphic_info[gfx_unpressed].src_x;
6745     gd_y1 = graphic_info[gfx_unpressed].src_y;
6746     gd_x2 = graphic_info[gfx_pressed].src_x;
6747     gd_y2 = graphic_info[gfx_pressed].src_y;
6748
6749     gi = CreateGadget(GDI_CUSTOM_ID, id,
6750                       GDI_CUSTOM_TYPE_ID, i,
6751                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6752                       GDI_X, x,
6753                       GDI_Y, y,
6754                       GDI_WIDTH, width,
6755                       GDI_HEIGHT, height,
6756                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6757                       GDI_STATE, GD_BUTTON_UNPRESSED,
6758                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6759                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6760                       GDI_DIRECT_DRAW, FALSE,
6761                       GDI_EVENT_MASK, event_mask,
6762                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6763                       GDI_END);
6764
6765     if (gi == NULL)
6766       Error(ERR_EXIT, "cannot create gadget");
6767
6768     screen_gadget[id] = gi;
6769   }
6770 }
6771
6772 static void CreateScreenScrollbuttons()
6773 {
6774   struct GadgetInfo *gi;
6775   unsigned int event_mask;
6776   int i;
6777
6778   /* these values are not constant, but can change at runtime */
6779   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6780   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6781   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6782   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6783
6784   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6785   {
6786     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6787     int gfx_unpressed, gfx_pressed;
6788     int x, y, width, height;
6789     int gd_x1, gd_x2, gd_y1, gd_y2;
6790     int id = scrollbutton_info[i].gadget_id;
6791
6792     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6793
6794     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6795     y = mSY + scrollbutton_info[i].y;
6796     width = SC_SCROLLBUTTON_XSIZE;
6797     height = SC_SCROLLBUTTON_YSIZE;
6798
6799     /* correct scrollbar position if placed outside menu (playfield) area */
6800     if (x > SX + SC_SCROLL_UP_XPOS)
6801       x = SX + SC_SCROLL_UP_XPOS;
6802
6803     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6804       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6805                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6806
6807     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6808     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6809     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6810     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6811     gd_x1 = graphic_info[gfx_unpressed].src_x;
6812     gd_y1 = graphic_info[gfx_unpressed].src_y;
6813     gd_x2 = graphic_info[gfx_pressed].src_x;
6814     gd_y2 = graphic_info[gfx_pressed].src_y;
6815
6816     gi = CreateGadget(GDI_CUSTOM_ID, id,
6817                       GDI_CUSTOM_TYPE_ID, i,
6818                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6819                       GDI_X, x,
6820                       GDI_Y, y,
6821                       GDI_WIDTH, width,
6822                       GDI_HEIGHT, height,
6823                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6824                       GDI_STATE, GD_BUTTON_UNPRESSED,
6825                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6826                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6827                       GDI_DIRECT_DRAW, FALSE,
6828                       GDI_EVENT_MASK, event_mask,
6829                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6830                       GDI_END);
6831
6832     if (gi == NULL)
6833       Error(ERR_EXIT, "cannot create gadget");
6834
6835     screen_gadget[id] = gi;
6836   }
6837 }
6838
6839 static void CreateScreenScrollbars()
6840 {
6841   int i;
6842
6843   /* these values are not constant, but can change at runtime */
6844   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6845   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6846   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6847   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6848
6849   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6850   {
6851     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6852     int gfx_unpressed, gfx_pressed;
6853     int x, y, width, height;
6854     int gd_x1, gd_x2, gd_y1, gd_y2;
6855     struct GadgetInfo *gi;
6856     int items_max, items_visible, item_position;
6857     unsigned int event_mask;
6858     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6859     int id = scrollbar_info[i].gadget_id;
6860
6861     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6862
6863     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6864     y = mSY + scrollbar_info[i].y;
6865     width  = scrollbar_info[i].width;
6866     height = scrollbar_info[i].height;
6867
6868     /* correct scrollbar position if placed outside menu (playfield) area */
6869     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6870       x = SX + SC_SCROLL_VERTICAL_XPOS;
6871
6872     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6873       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6874
6875     items_max = num_page_entries;
6876     items_visible = num_page_entries;
6877     item_position = 0;
6878
6879     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6880     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6881     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6882     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6883     gd_x1 = graphic_info[gfx_unpressed].src_x;
6884     gd_y1 = graphic_info[gfx_unpressed].src_y;
6885     gd_x2 = graphic_info[gfx_pressed].src_x;
6886     gd_y2 = graphic_info[gfx_pressed].src_y;
6887
6888     gi = CreateGadget(GDI_CUSTOM_ID, id,
6889                       GDI_CUSTOM_TYPE_ID, i,
6890                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6891                       GDI_X, x,
6892                       GDI_Y, y,
6893                       GDI_WIDTH, width,
6894                       GDI_HEIGHT, height,
6895                       GDI_TYPE, scrollbar_info[i].type,
6896                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6897                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6898                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6899                       GDI_WHEEL_AREA_X, SX,
6900                       GDI_WHEEL_AREA_Y, SY,
6901                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6902                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6903                       GDI_STATE, GD_BUTTON_UNPRESSED,
6904                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6905                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6906                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6907                       GDI_DIRECT_DRAW, FALSE,
6908                       GDI_EVENT_MASK, event_mask,
6909                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6910                       GDI_END);
6911
6912     if (gi == NULL)
6913       Error(ERR_EXIT, "cannot create gadget");
6914
6915     screen_gadget[id] = gi;
6916   }
6917 }
6918
6919 void CreateScreenGadgets()
6920 {
6921   int last_game_status = game_status;   /* save current game status */
6922
6923   CreateScreenMenubuttons();
6924
6925   CreateScreenScrollbuttons();
6926   CreateScreenScrollbars();
6927
6928   game_status = last_game_status;       /* restore current game status */
6929 }
6930
6931 void FreeScreenGadgets()
6932 {
6933   int i;
6934
6935   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6936     FreeGadget(screen_gadget[i]);
6937 }
6938
6939 void MapScreenMenuGadgets(int screen_mask)
6940 {
6941   int i;
6942
6943   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6944     if (screen_mask & menubutton_info[i].screen_mask)
6945       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6946 }
6947
6948 void MapScreenGadgets(int num_entries)
6949 {
6950   int i;
6951
6952   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6953     return;
6954
6955   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6956     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6957
6958   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6959     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6960 }
6961
6962 void MapScreenTreeGadgets(TreeInfo *ti)
6963 {
6964   MapScreenGadgets(numTreeInfoInGroup(ti));
6965 }
6966
6967 static void HandleScreenGadgets(struct GadgetInfo *gi)
6968 {
6969   int id = gi->custom_id;
6970   int button = gi->event.button;
6971   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6972
6973   switch (id)
6974   {
6975     case SCREEN_CTRL_ID_PREV_LEVEL:
6976       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6977       break;
6978
6979     case SCREEN_CTRL_ID_NEXT_LEVEL:
6980       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6981       break;
6982
6983     case SCREEN_CTRL_ID_PREV_PLAYER:
6984       HandleSetupScreen_Input_Player(step, -1);
6985       break;
6986
6987     case SCREEN_CTRL_ID_NEXT_PLAYER:
6988       HandleSetupScreen_Input_Player(step, +1);
6989       break;
6990
6991     case SCREEN_CTRL_ID_SCROLL_UP:
6992       if (game_status == GAME_MODE_LEVELS)
6993         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6994       else if (game_status == GAME_MODE_LEVELNR)
6995         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6996       else if (game_status == GAME_MODE_SETUP)
6997         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6998       else if (game_status == GAME_MODE_INFO)
6999         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7000       break;
7001
7002     case SCREEN_CTRL_ID_SCROLL_DOWN:
7003       if (game_status == GAME_MODE_LEVELS)
7004         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7005       else if (game_status == GAME_MODE_LEVELNR)
7006         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7007       else if (game_status == GAME_MODE_SETUP)
7008         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7009       else if (game_status == GAME_MODE_INFO)
7010         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7011       break;
7012
7013     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7014       if (game_status == GAME_MODE_LEVELS)
7015         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7016       else if (game_status == GAME_MODE_LEVELNR)
7017         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7018       else if (game_status == GAME_MODE_SETUP)
7019         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7020       else if (game_status == GAME_MODE_INFO)
7021         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7022       break;
7023
7024     default:
7025       break;
7026   }
7027 }