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_WINDOW_SIZE   19
  65 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
  66 #define SETUP_MODE_CHOOSE_RENDERING     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 *window_sizes = NULL;
 200 static TreeInfo *window_size_current = NULL;
 201
 202 static TreeInfo *scaling_types = NULL;
 203 static TreeInfo *scaling_type_current = NULL;
 204
 205 static TreeInfo *rendering_modes = NULL;
 206 static TreeInfo *rendering_mode_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   char *value;
 276   char *text;
 277 } rendering_modes_list[] =
 278 {
 279   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 280   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 281   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 282   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 283
 284   {     NULL,                            NULL                            },
 285 };
 286
 287 static struct
 288 {
 289   int value;
 290   char *text;
 291 } game_speeds_list[] =
 292 {
 293 #if 1
 294   {     30,     "Very Slow"                     },
 295   {     25,     "Slow"                          },
 296   {     20,     "Normal"                        },
 297   {     15,     "Fast"                          },
 298   {     10,     "Very Fast"                     },
 299 #else
 300   {     1000,   "1/1s (Extremely Slow)"         },
 301   {     500,    "1/2s"                          },
 302   {     200,    "1/5s"                          },
 303   {     100,    "1/10s"                         },
 304   {     50,     "1/20s"                         },
 305   {     29,     "1/35s (Original Supaplex)"     },
 306   {     25,     "1/40s"                         },
 307   {     20,     "1/50s (Normal Speed)"          },
 308   {     14,     "1/70s (Maximum Supaplex)"      },
 309   {     10,     "1/100s"                        },
 310   {     5,      "1/200s"                        },
 311   {     2,      "1/500s"                        },
 312   {     1,      "1/1000s (Extremely Fast)"      },
 313 #endif
 314
 315   {     -1,     NULL                            },
 316 };
 317
 318 static struct
 319 {
 320   int value;
 321   char *text;
 322 } scroll_delays_list[] =
 323 {
 324   {     0,      "0 Tiles (No Scroll Delay)"     },
 325   {     1,      "1 Tile"                        },
 326   {     2,      "2 Tiles"                       },
 327   {     3,      "3 Tiles (Default)"             },
 328   {     4,      "4 Tiles"                       },
 329   {     5,      "5 Tiles"                       },
 330   {     6,      "6 Tiles"                       },
 331   {     7,      "7 Tiles"                       },
 332   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 333
 334   {     -1,     NULL                            },
 335 };
 336
 337 static struct
 338 {
 339   char *value;
 340   char *text;
 341 } snapshot_modes_list[] =
 342 {
 343   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 344   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 345   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 346   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 347
 348   {     NULL,                                   NULL            },
 349 };
 350
 351 static struct
 352 {
 353   int value;
 354   char *text;
 355 } volumes_list[] =
 356 {
 357   {     0,      "0 %"                           },
 358   {     1,      "1 %"                           },
 359   {     2,      "2 %"                           },
 360   {     5,      "5 %"                           },
 361   {     10,     "10 %"                          },
 362   {     20,     "20 %"                          },
 363   {     30,     "30 %"                          },
 364   {     40,     "40 %"                          },
 365   {     50,     "50 %"                          },
 366   {     60,     "60 %"                          },
 367   {     70,     "70 %"                          },
 368   {     80,     "80 %"                          },
 369   {     90,     "90 %"                          },
 370   {     100,    "100 %"                         },
 371
 372   {     -1,     NULL                            },
 373 };
 374
 375 static struct
 376 {
 377   char *value;
 378   char *text;
 379 } touch_controls_list[] =
 380 {
 381   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 382   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 383
 384   {     NULL,                           NULL                    },
 385 };
 386
 387 static struct
 388 {
 389   int value;
 390   char *text;
 391 } distances_list[] =
 392 {
 393   {     1,      "1 %"                           },
 394   {     2,      "2 %"                           },
 395   {     3,      "3 %"                           },
 396   {     4,      "4 %"                           },
 397   {     5,      "5 %"                           },
 398   {     10,     "10 %"                          },
 399   {     15,     "15 %"                          },
 400   {     20,     "20 %"                          },
 401   {     25,     "25 %"                          },
 402
 403   {     -1,     NULL                            },
 404 };
 405
 406 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 407                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 408                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 409                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 410
 411 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 412 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 413                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 414                                  INFO_MODE_MAIN)
 415
 416 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 417                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 418                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 419                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 420                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 421                                  SETUP_MODE_CHOOSE_OTHER)
 422
 423 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 424                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 425                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 426 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 427                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 428                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 429
 430 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 431                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 432                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 433 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 434                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 435                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 436
 437 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 438                                  DRAW_XOFFSET_INFO(info_mode) :         \
 439                                  (s) == GAME_MODE_SETUP ?               \
 440                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 441                                  menu.draw_xoffset[DRAW_MODE(s)])
 442 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 443                                  DRAW_YOFFSET_INFO(info_mode) :         \
 444                                  (s) == GAME_MODE_SETUP ?               \
 445                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 446                                  menu.draw_yoffset[DRAW_MODE(s)])
 447
 448 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 449 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 450
 451 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 452                                     menu.list_size[game_status] :       \
 453                                     MAX_MENU_ENTRIES_ON_SCREEN)
 454
 455 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 456                                          NUM_MENU_ENTRIES_ON_SCREEN)
 457
 458
 459 /* title display and control definitions */
 460
 461 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 462                                  2 * MAX_NUM_TITLE_MESSAGES)
 463
 464 #define NO_DIRECT_LEVEL_SELECT  (-1)
 465
 466
 467 static int num_title_screens = 0;
 468
 469 struct TitleControlInfo
 470 {
 471   boolean is_image;
 472   boolean initial;
 473   boolean first;
 474   int local_nr;
 475   int sort_priority;
 476 };
 477
 478 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 479
 480 /* main menu display and control definitions */
 481
 482 #define MAIN_CONTROL_NAME                       0
 483 #define MAIN_CONTROL_LEVELS                     1
 484 #define MAIN_CONTROL_SCORES                     2
 485 #define MAIN_CONTROL_EDITOR                     3
 486 #define MAIN_CONTROL_INFO                       4
 487 #define MAIN_CONTROL_GAME                       5
 488 #define MAIN_CONTROL_SETUP                      6
 489 #define MAIN_CONTROL_QUIT                       7
 490 #define MAIN_CONTROL_PREV_LEVEL                 8
 491 #define MAIN_CONTROL_NEXT_LEVEL                 9
 492 #define MAIN_CONTROL_FIRST_LEVEL                10
 493 #define MAIN_CONTROL_LAST_LEVEL                 11
 494 #define MAIN_CONTROL_LEVEL_NUMBER               12
 495 #define MAIN_CONTROL_LEVEL_INFO_1               13
 496 #define MAIN_CONTROL_LEVEL_INFO_2               14
 497 #define MAIN_CONTROL_LEVEL_NAME                 15
 498 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 499 #define MAIN_CONTROL_LEVEL_YEAR                 17
 500 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 501 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 502 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 503 #define MAIN_CONTROL_TITLE_1                    21
 504 #define MAIN_CONTROL_TITLE_2                    22
 505 #define MAIN_CONTROL_TITLE_3                    23
 506
 507 static char str_main_text_name[10];
 508 static char str_main_text_first_level[10];
 509 static char str_main_text_last_level[10];
 510 static char str_main_text_level_number[10];
 511
 512 static char *main_text_name                     = str_main_text_name;
 513 static char *main_text_first_level              = str_main_text_first_level;
 514 static char *main_text_last_level               = str_main_text_last_level;
 515 static char *main_text_level_number             = str_main_text_level_number;
 516 static char *main_text_levels                   = "Levelset";
 517 static char *main_text_scores                   = "Hall Of Fame";
 518 static char *main_text_editor                   = "Level Creator";
 519 static char *main_text_info                     = "Info Screen";
 520 static char *main_text_game                     = "Start Game";
 521 static char *main_text_setup                    = "Setup";
 522 static char *main_text_quit                     = "Quit";
 523 static char *main_text_level_name               = level.name;
 524 static char *main_text_level_author             = level.author;
 525 static char *main_text_level_year               = NULL;
 526 static char *main_text_level_imported_from      = NULL;
 527 static char *main_text_level_imported_by        = NULL;
 528 static char *main_text_level_tested_by          = NULL;
 529
 530 struct MainControlInfo
 531 {
 532   int nr;
 533
 534   struct MenuPosInfo *pos_button;
 535   int button_graphic;
 536
 537   struct TextPosInfo *pos_text;
 538   char **text;
 539
 540   struct TextPosInfo *pos_input;
 541   char **input;
 542 };
 543
 544 static struct MainControlInfo main_controls[] =
 545 {
 546   {
 547     MAIN_CONTROL_NAME,
 548     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 549     &menu.main.text.name,               &main_text_name,
 550     &menu.main.input.name,              &setup.player_name,
 551   },
 552   {
 553     MAIN_CONTROL_LEVELS,
 554     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 555     &menu.main.text.levels,             &main_text_levels,
 556     NULL,                               NULL,
 557   },
 558   {
 559     MAIN_CONTROL_SCORES,
 560     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 561     &menu.main.text.scores,             &main_text_scores,
 562     NULL,                               NULL,
 563   },
 564   {
 565     MAIN_CONTROL_EDITOR,
 566     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 567     &menu.main.text.editor,             &main_text_editor,
 568     NULL,                               NULL,
 569   },
 570   {
 571     MAIN_CONTROL_INFO,
 572     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 573     &menu.main.text.info,               &main_text_info,
 574     NULL,                               NULL,
 575   },
 576   {
 577     MAIN_CONTROL_GAME,
 578     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 579     &menu.main.text.game,               &main_text_game,
 580     NULL,                               NULL,
 581   },
 582   {
 583     MAIN_CONTROL_SETUP,
 584     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 585     &menu.main.text.setup,              &main_text_setup,
 586     NULL,                               NULL,
 587   },
 588   {
 589     MAIN_CONTROL_QUIT,
 590     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 591     &menu.main.text.quit,               &main_text_quit,
 592     NULL,                               NULL,
 593   },
 594 #if 0
 595   /* (these two buttons are real gadgets) */
 596   {
 597     MAIN_CONTROL_PREV_LEVEL,
 598     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 599     NULL,                               NULL,
 600     NULL,                               NULL,
 601   },
 602   {
 603     MAIN_CONTROL_NEXT_LEVEL,
 604     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 605     NULL,                               NULL,
 606     NULL,                               NULL,
 607   },
 608 #endif
 609   {
 610     MAIN_CONTROL_FIRST_LEVEL,
 611     NULL,                               -1,
 612     &menu.main.text.first_level,        &main_text_first_level,
 613     NULL,                               NULL,
 614   },
 615   {
 616     MAIN_CONTROL_LAST_LEVEL,
 617     NULL,                               -1,
 618     &menu.main.text.last_level,         &main_text_last_level,
 619     NULL,                               NULL,
 620   },
 621   {
 622     MAIN_CONTROL_LEVEL_NUMBER,
 623     NULL,                               -1,
 624     &menu.main.text.level_number,       &main_text_level_number,
 625     NULL,                               NULL,
 626   },
 627   {
 628     MAIN_CONTROL_LEVEL_INFO_1,
 629     NULL,                               -1,
 630     &menu.main.text.level_info_1,       NULL,
 631     NULL,                               NULL,
 632   },
 633   {
 634     MAIN_CONTROL_LEVEL_INFO_2,
 635     NULL,                               -1,
 636     &menu.main.text.level_info_2,       NULL,
 637     NULL,                               NULL,
 638   },
 639   {
 640     MAIN_CONTROL_LEVEL_NAME,
 641     NULL,                               -1,
 642     &menu.main.text.level_name,         &main_text_level_name,
 643     NULL,                               NULL,
 644   },
 645   {
 646     MAIN_CONTROL_LEVEL_AUTHOR,
 647     NULL,                               -1,
 648     &menu.main.text.level_author,       &main_text_level_author,
 649     NULL,                               NULL,
 650   },
 651   {
 652     MAIN_CONTROL_LEVEL_YEAR,
 653     NULL,                               -1,
 654     &menu.main.text.level_year,         &main_text_level_year,
 655     NULL,                               NULL,
 656   },
 657   {
 658     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 659     NULL,                               -1,
 660     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 661     NULL,                               NULL,
 662   },
 663   {
 664     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 665     NULL,                               -1,
 666     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 667     NULL,                               NULL,
 668   },
 669   {
 670     MAIN_CONTROL_LEVEL_TESTED_BY,
 671     NULL,                               -1,
 672     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 673     NULL,                               NULL,
 674   },
 675   {
 676     MAIN_CONTROL_TITLE_1,
 677     NULL,                               -1,
 678     &menu.main.text.title_1,            &setup.internal.program_title,
 679     NULL,                               NULL,
 680   },
 681   {
 682     MAIN_CONTROL_TITLE_2,
 683     NULL,                               -1,
 684     &menu.main.text.title_2,            &setup.internal.program_copyright,
 685     NULL,                               NULL,
 686   },
 687   {
 688     MAIN_CONTROL_TITLE_3,
 689     NULL,                               -1,
 690     &menu.main.text.title_3,            &setup.internal.program_company,
 691     NULL,                               NULL,
 692   },
 693
 694   {
 695     -1,
 696     NULL,                               -1,
 697     NULL,                               NULL,
 698     NULL,                               NULL,
 699   }
 700 };
 701
 702
 703 static int getTitleScreenGraphic(int nr, boolean initial)
 704 {
 705   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 706 }
 707
 708 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 709 {
 710   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 711 }
 712
 713 #if 0
 714 static int getTitleScreenGameMode(boolean initial)
 715 {
 716   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 717 }
 718 #endif
 719
 720 static int getTitleMessageGameMode(boolean initial)
 721 {
 722   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 723 }
 724
 725 static int getTitleAnimMode(struct TitleControlInfo *tci)
 726 {
 727   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 728
 729   return base + tci->local_nr;
 730 }
 731
 732 #if 0
 733 static int getTitleScreenBackground(boolean initial)
 734 {
 735   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 736 }
 737 #endif
 738
 739 #if 0
 740 static int getTitleMessageBackground(int nr, boolean initial)
 741 {
 742   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 743 }
 744 #endif
 745
 746 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 747 {
 748   int base = (is_image ?
 749               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 750                          IMG_BACKGROUND_TITLESCREEN_1) :
 751               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 752                          IMG_BACKGROUND_TITLEMESSAGE_1));
 753   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 754                                   IMG_BACKGROUND_TITLE);
 755   int graphic_local = base + nr;
 756
 757   if (graphic_info[graphic_local].bitmap != NULL)
 758     return graphic_local;
 759
 760   if (graphic_info[graphic_global].bitmap != NULL)
 761     return graphic_global;
 762
 763   return IMG_UNDEFINED;
 764 }
 765
 766 static int getTitleSound(struct TitleControlInfo *tci)
 767 {
 768   boolean is_image = tci->is_image;
 769   int initial = tci->initial;
 770   int nr = tci->local_nr;
 771   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 772   int base = (is_image ?
 773               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 774                          SND_BACKGROUND_TITLESCREEN_1) :
 775               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 776                          SND_BACKGROUND_TITLEMESSAGE_1));
 777   int sound_global = menu.sound[mode];
 778   int sound_local = base + nr;
 779
 780 #if 0
 781   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 782          nr, initial, is_image,
 783          sound_global, getSoundListEntry(sound_global)->filename,
 784          sound_local, getSoundListEntry(sound_local)->filename);
 785 #endif
 786
 787   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 788     return sound_local;
 789
 790   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 791     return sound_global;
 792
 793   return SND_UNDEFINED;
 794 }
 795
 796 static int getTitleMusic(struct TitleControlInfo *tci)
 797 {
 798   boolean is_image = tci->is_image;
 799   int initial = tci->initial;
 800   int nr = tci->local_nr;
 801   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 802   int base = (is_image ?
 803               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 804                          MUS_BACKGROUND_TITLESCREEN_1) :
 805               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 806                          MUS_BACKGROUND_TITLEMESSAGE_1));
 807   int music_global = menu.music[mode];
 808   int music_local = base + nr;
 809
 810 #if 0
 811   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 812          nr, initial, is_image,
 813          music_global, getMusicListEntry(music_global)->filename,
 814          music_local, getMusicListEntry(music_local)->filename);
 815 #endif
 816
 817   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 818     return music_local;
 819
 820   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 821     return music_global;
 822
 823   return MUS_UNDEFINED;
 824 }
 825
 826 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 827 {
 828   boolean is_image = tci->is_image;
 829   boolean initial = tci->initial;
 830   boolean first = tci->first;
 831   int nr = tci->local_nr;
 832   struct TitleMessageInfo tmi;
 833   struct TitleFadingInfo ti;
 834
 835   tmi = (is_image ? (initial ? (first ?
 836                                 titlescreen_initial_first[nr] :
 837                                 titlescreen_initial[nr])
 838                              : (first ?
 839                                 titlescreen_first[nr] :
 840                                 titlescreen[nr]))
 841                   : (initial ? (first ?
 842                                 titlemessage_initial_first[nr] :
 843                                 titlemessage_initial[nr])
 844                              : (first ?
 845                                 titlemessage_first[nr] :
 846                                 titlemessage[nr])));
 847
 848   ti.fade_mode  = tmi.fade_mode;
 849   ti.fade_delay = tmi.fade_delay;
 850   ti.post_delay = tmi.post_delay;
 851   ti.auto_delay = tmi.auto_delay;
 852
 853   return ti;
 854 }
 855
 856 static int compareTitleControlInfo(const void *object1, const void *object2)
 857 {
 858   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 859   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 860   int compare_result;
 861
 862   if (tci1->initial != tci2->initial)
 863     compare_result = (tci1->initial ? -1 : +1);
 864   else if (tci1->sort_priority != tci2->sort_priority)
 865     compare_result = tci1->sort_priority - tci2->sort_priority;
 866   else if (tci1->is_image != tci2->is_image)
 867     compare_result = (tci1->is_image ? -1 : +1);
 868   else
 869     compare_result = tci1->local_nr - tci2->local_nr;
 870
 871   return compare_result;
 872 }
 873
 874 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 875                                                     boolean initial,
 876                                                     int nr, int sort_priority)
 877 {
 878   title_controls[num_title_screens].is_image = is_image;
 879   title_controls[num_title_screens].initial = initial;
 880   title_controls[num_title_screens].local_nr = nr;
 881   title_controls[num_title_screens].sort_priority = sort_priority;
 882
 883   title_controls[num_title_screens].first = FALSE;      /* will be set later */
 884
 885   num_title_screens++;
 886 }
 887
 888 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 889 {
 890   int i;
 891
 892   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 893   {
 894     int graphic = getTitleScreenGraphic(i, initial);
 895     Bitmap *bitmap = graphic_info[graphic].bitmap;
 896     int sort_priority = graphic_info[graphic].sort_priority;
 897
 898     if (bitmap != NULL)
 899       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 900   }
 901
 902   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 903   {
 904     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 905     char *filename = getLevelSetTitleMessageFilename(i, initial);
 906     int sort_priority = tmi->sort_priority;
 907
 908     if (filename != NULL)
 909       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 910   }
 911 }
 912
 913 static void InitializeTitleControls(boolean show_title_initial)
 914 {
 915   num_title_screens = 0;
 916
 917   /* 1st step: initialize title screens for game start (only when starting) */
 918   if (show_title_initial)
 919     InitializeTitleControls_CheckTitleInfo(TRUE);
 920
 921   /* 2nd step: initialize title screens for current level set */
 922   InitializeTitleControls_CheckTitleInfo(FALSE);
 923
 924   /* sort title screens according to sort_priority and title number */
 925   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 926         compareTitleControlInfo);
 927
 928   /* mark first title screen */
 929   title_controls[0].first = TRUE;
 930 }
 931
 932 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 933 {
 934   return (pos != NULL && pos->x != -1 && pos->y != -1);
 935 }
 936
 937 static boolean visibleTextPos(struct TextPosInfo *pos)
 938 {
 939   return (pos != NULL && pos->x != -1 && pos->y != -1);
 940 }
 941
 942 static void InitializeMainControls()
 943 {
 944   boolean local_team_mode = (!options.network && setup.team_mode);
 945   int i;
 946
 947   /* set main control text values to dynamically determined values */
 948   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 949
 950   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 951                                          menu.main.text.first_level.size));
 952   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 953                                          menu.main.text.last_level.size));
 954   strcpy(main_text_level_number, int2str(level_nr,
 955                                          menu.main.text.level_number.size));
 956
 957   main_text_level_year          = leveldir_current->year;
 958   main_text_level_imported_from = leveldir_current->imported_from;
 959   main_text_level_imported_by   = leveldir_current->imported_by;
 960   main_text_level_tested_by     = leveldir_current->tested_by;
 961
 962   /* set main control screen positions to dynamically determined values */
 963   for (i = 0; main_controls[i].nr != -1; i++)
 964   {
 965     struct MainControlInfo *mci = &main_controls[i];
 966     int nr                         = mci->nr;
 967     struct MenuPosInfo *pos_button = mci->pos_button;
 968     struct TextPosInfo *pos_text   = mci->pos_text;
 969     struct TextPosInfo *pos_input  = mci->pos_input;
 970     char *text                     = (mci->text  ? *mci->text  : NULL);
 971     char *input                    = (mci->input ? *mci->input : NULL);
 972     int button_graphic             = mci->button_graphic;
 973     int font_text                  = (pos_text  ? pos_text->font  : -1);
 974     int font_input                 = (pos_input ? pos_input->font : -1);
 975
 976     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 977     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 978     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 979     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 980     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 981     int input_chars = (input != NULL ? strlen(input) : 0);
 982
 983     int button_width =
 984       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 985     int button_height =
 986       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 987     int text_width   = font_text_width * text_chars;
 988     int text_height  = font_text_height;
 989     int input_width  = font_input_width * input_chars;
 990     int input_height = font_input_height;
 991
 992     if (nr == MAIN_CONTROL_NAME)
 993     {
 994       menu.main.input.name.width  = input_width;
 995       menu.main.input.name.height = input_height;
 996     }
 997
 998     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
 999     {
1000       pos_button->width  = button_width;
1001       pos_button->height = button_height;
1002     }
1003
1004     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1005     {
1006       /* calculate size for non-clickable text -- needed for text alignment */
1007       boolean calculate_text_size = (pos_button == NULL && text != NULL);
1008
1009       if (pos_text->width == -1 || calculate_text_size)
1010         pos_text->width = text_width;
1011       if (pos_text->height == -1 || calculate_text_size)
1012         pos_text->height = text_height;
1013
1014       if (visibleMenuPos(pos_button))
1015       {
1016         if (pos_text->x == -1)
1017           pos_text->x = pos_button->x + pos_button->width;
1018         if (pos_text->y == -1)
1019           pos_text->y =
1020             pos_button->y + (pos_button->height - pos_text->height) / 2;
1021       }
1022     }
1023
1024     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1025     {
1026       if (visibleTextPos(pos_text))
1027       {
1028         if (pos_input->x == -1)
1029           pos_input->x = pos_text->x + pos_text->width;
1030         if (pos_input->y == -1)
1031           pos_input->y = pos_text->y;
1032       }
1033
1034       if (pos_input->width == -1)
1035         pos_input->width = input_width;
1036       if (pos_input->height == -1)
1037         pos_input->height = input_height;
1038     }
1039   }
1040 }
1041
1042 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1043                                        int graphic, boolean pressed)
1044 {
1045   struct GraphicInfo *g = &graphic_info[graphic];
1046   Bitmap *src_bitmap;
1047   int src_x, src_y;
1048   int xoffset = (pressed ? g->pressed_xoffset : 0);
1049   int yoffset = (pressed ? g->pressed_yoffset : 0);
1050
1051   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1052
1053   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1054                    g->width, g->height, dst_x, dst_y);
1055 }
1056
1057 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1058                                        boolean active_input,
1059                                        boolean pressed_button)
1060 {
1061   int i;
1062
1063   for (i = 0; main_controls[i].nr != -1; i++)
1064   {
1065     struct MainControlInfo *mci = &main_controls[i];
1066
1067     if (mci->nr == nr || nr == -1)
1068     {
1069       struct MenuPosInfo *pos_button = mci->pos_button;
1070       struct TextPosInfo *pos_text   = mci->pos_text;
1071       struct TextPosInfo *pos_input  = mci->pos_input;
1072       char *text                     = (mci->text  ? *mci->text  : NULL);
1073       char *input                    = (mci->input ? *mci->input : NULL);
1074       int button_graphic             = mci->button_graphic;
1075       int font_text                  = (pos_text  ? pos_text->font  : -1);
1076       int font_input                 = (pos_input ? pos_input->font : -1);
1077
1078       if (active_text)
1079       {
1080         button_graphic = BUTTON_ACTIVE(button_graphic);
1081         font_text = FONT_ACTIVE(font_text);
1082       }
1083
1084       if (active_input)
1085       {
1086         font_input = FONT_ACTIVE(font_input);
1087       }
1088
1089       if (visibleMenuPos(pos_button))
1090       {
1091         struct MenuPosInfo *pos = pos_button;
1092         int x = mSX + pos->x;
1093         int y = mSY + pos->y;
1094
1095         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1096         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1097       }
1098
1099       if (visibleTextPos(pos_text) && text != NULL)
1100       {
1101         struct TextPosInfo *pos = pos_text;
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_text);
1108 #endif
1109         DrawText(x, y, text, font_text);
1110       }
1111
1112       if (visibleTextPos(pos_input) && input != NULL)
1113       {
1114         struct TextPosInfo *pos = pos_input;
1115         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1116         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1117
1118 #if 1
1119         /* (check why/if this is needed) */
1120         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1121 #endif
1122         DrawText(x, y, input, font_input);
1123       }
1124     }
1125   }
1126 }
1127
1128 static void DrawCursorAndText_Main(int nr, boolean active_text,
1129                                    boolean pressed_button)
1130 {
1131   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1132 }
1133
1134 #if 0
1135 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1136                                          boolean pressed_button)
1137 {
1138   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1139 }
1140 #endif
1141
1142 static struct MainControlInfo *getMainControlInfo(int nr)
1143 {
1144   int i;
1145
1146   for (i = 0; main_controls[i].nr != -1; i++)
1147     if (main_controls[i].nr == nr)
1148       return &main_controls[i];
1149
1150   return NULL;
1151 }
1152
1153 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1154 {
1155   if (rect == NULL)
1156     return FALSE;
1157
1158   int rect_x = ALIGNED_TEXT_XPOS(rect);
1159   int rect_y = ALIGNED_TEXT_YPOS(rect);
1160
1161   return (x >= rect_x && x < rect_x + rect->width &&
1162           y >= rect_y && y < rect_y + rect->height);
1163 }
1164
1165 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1166 {
1167   if (rect == NULL)
1168     return FALSE;
1169
1170   int rect_x = ALIGNED_TEXT_XPOS(rect);
1171   int rect_y = ALIGNED_TEXT_YPOS(rect);
1172
1173 #if 0
1174   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1175          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1176          (x >= rect_x && x < rect_x + rect->width &&
1177           y >= rect_y && y < rect_y + rect->height));
1178 #endif
1179
1180   return (x >= rect_x && x < rect_x + rect->width &&
1181           y >= rect_y && y < rect_y + rect->height);
1182 }
1183
1184 static void AdjustScrollbar(int id, int items_max, int items_visible,
1185                             int item_position)
1186 {
1187   struct GadgetInfo *gi = screen_gadget[id];
1188
1189   if (item_position > items_max - items_visible)
1190     item_position = items_max - items_visible;
1191
1192   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1193                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1194                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1195 }
1196
1197 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1198 {
1199   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1200                   first_entry);
1201 }
1202
1203 static void clearMenuListArea()
1204 {
1205   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1206
1207   /* correct scrollbar position if placed outside menu (playfield) area */
1208   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1209     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1210
1211   /* clear menu list area, but not title or scrollbar */
1212   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1213                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1214 }
1215
1216 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1217 {
1218   static int cursor_array[MAX_LEV_FIELDY];
1219   int x = mSX + TILEX * xpos;
1220   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1221
1222   if (xpos == 0)
1223   {
1224     if (graphic != -1)
1225       cursor_array[ypos] = graphic;
1226     else
1227       graphic = cursor_array[ypos];
1228   }
1229
1230   if (active)
1231     graphic = BUTTON_ACTIVE(graphic);
1232
1233   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1234   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1235 }
1236
1237 static void initCursor(int ypos, int graphic)
1238 {
1239   drawCursorExt(0, ypos, FALSE, graphic);
1240 }
1241
1242 static void drawCursor(int ypos, boolean active)
1243 {
1244   drawCursorExt(0, ypos, active, -1);
1245 }
1246
1247 static void drawCursorXY(int xpos, int ypos, int graphic)
1248 {
1249   drawCursorExt(xpos, ypos, FALSE, graphic);
1250 }
1251
1252 static void drawChooseTreeCursor(int ypos, boolean active)
1253 {
1254   drawCursorExt(0, ypos, active, -1);
1255 }
1256
1257 void DrawHeadline()
1258 {
1259   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, getProgramTitleString());
1260   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
1261                     setup.internal.program_copyright);
1262 }
1263
1264 void DrawTitleScreenImage(int nr, boolean initial)
1265 {
1266   int graphic = getTitleScreenGraphic(nr, initial);
1267   Bitmap *bitmap = graphic_info[graphic].bitmap;
1268   int width  = graphic_info[graphic].width;
1269   int height = graphic_info[graphic].height;
1270   int src_x = graphic_info[graphic].src_x;
1271   int src_y = graphic_info[graphic].src_y;
1272   int dst_x, dst_y;
1273
1274   if (bitmap == NULL)
1275     return;
1276
1277   if (width > WIN_XSIZE)
1278   {
1279     /* image width too large for window => center image horizontally */
1280     src_x = (width - WIN_XSIZE) / 2;
1281     width = WIN_XSIZE;
1282   }
1283
1284   if (height > WIN_YSIZE)
1285   {
1286     /* image height too large for window => center image vertically */
1287     src_y = (height - WIN_YSIZE) / 2;
1288     height = WIN_YSIZE;
1289   }
1290
1291   /* always display title screens centered */
1292   dst_x = (WIN_XSIZE - width) / 2;
1293   dst_y = (WIN_YSIZE - height) / 2;
1294
1295   SetDrawBackgroundMask(REDRAW_ALL);
1296   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1297
1298   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1299
1300   if (DrawingOnBackground(dst_x, dst_y))
1301     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1302   else
1303     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1304
1305   redraw_mask = REDRAW_ALL;
1306 }
1307
1308 void DrawTitleScreenMessage(int nr, boolean initial)
1309 {
1310   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1311   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1312
1313   if (filename == NULL)
1314     return;
1315
1316   /* force TITLE font on title message screen */
1317   SetFontStatus(getTitleMessageGameMode(initial));
1318
1319   /* if chars *and* width set to "-1", automatically determine width */
1320   if (tmi->chars == -1 && tmi->width == -1)
1321     tmi->width = viewport.window[game_status].width;
1322
1323   /* if lines *and* height set to "-1", automatically determine height */
1324   if (tmi->lines == -1 && tmi->height == -1)
1325     tmi->height = viewport.window[game_status].height;
1326
1327   /* if chars set to "-1", automatically determine by text and font width */
1328   if (tmi->chars == -1)
1329     tmi->chars = tmi->width / getFontWidth(tmi->font);
1330   else
1331     tmi->width = tmi->chars * getFontWidth(tmi->font);
1332
1333   /* if lines set to "-1", automatically determine by text and font height */
1334   if (tmi->lines == -1)
1335     tmi->lines = tmi->height / getFontHeight(tmi->font);
1336   else
1337     tmi->height = tmi->lines * getFontHeight(tmi->font);
1338
1339   /* if x set to "-1", automatically determine by width and alignment */
1340   if (tmi->x == -1)
1341     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1342
1343   /* if y set to "-1", automatically determine by height and alignment */
1344   if (tmi->y == -1)
1345     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1346
1347   SetDrawBackgroundMask(REDRAW_ALL);
1348   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1349
1350   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1351
1352   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1353                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1354                tmi->autowrap, tmi->centered, tmi->parse_comments);
1355
1356   ResetFontStatus();
1357 }
1358
1359 void DrawTitleScreen()
1360 {
1361   KeyboardAutoRepeatOff();
1362
1363   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1364
1365   StopAnimation();
1366 }
1367
1368 boolean CheckTitleScreen(boolean levelset_has_changed)
1369 {
1370   static boolean show_title_initial = TRUE;
1371   boolean show_titlescreen = FALSE;
1372
1373   /* needed to be able to skip title screen, if no image or message defined */
1374   InitializeTitleControls(show_title_initial);
1375
1376   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1377     show_titlescreen = TRUE;
1378
1379   /* show initial title images and messages only once at program start */
1380   show_title_initial = FALSE;
1381
1382   return (show_titlescreen && num_title_screens > 0);
1383 }
1384
1385 void DrawMainMenu()
1386 {
1387   static LevelDirTree *leveldir_last_valid = NULL;
1388   boolean levelset_has_changed = FALSE;
1389   int fade_mask = REDRAW_FIELD;
1390
1391   LimitScreenUpdates(FALSE);
1392
1393   FadeSetLeaveScreen();
1394
1395   /* do not fade out here -- function may continue and fade on editor screen */
1396
1397   UnmapAllGadgets();
1398   FadeSoundsAndMusic();
1399
1400   ExpireSoundLoops(FALSE);
1401
1402   KeyboardAutoRepeatOn();
1403   ActivateJoystick();
1404
1405   audio.sound_deactivated = FALSE;
1406
1407   GetPlayerConfig();
1408
1409   /* needed if last screen was the playing screen, invoked from level editor */
1410   if (level_editor_test_game)
1411   {
1412     CloseDoor(DOOR_CLOSE_ALL);
1413
1414     SetGameStatus(GAME_MODE_EDITOR);
1415
1416     DrawLevelEd();
1417
1418     return;
1419   }
1420
1421   /* needed if last screen was the setup screen and fullscreen state changed */
1422   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1423   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1424
1425   /* leveldir_current may be invalid (level group, parent link) */
1426   if (!validLevelSeries(leveldir_current))
1427     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1428
1429   if (leveldir_current != leveldir_last_valid)
1430     levelset_has_changed = TRUE;
1431
1432   /* store valid level series information */
1433   leveldir_last_valid = leveldir_current;
1434
1435   init_last = init;                     /* switch to new busy animation */
1436
1437   /* needed if last screen (level choice) changed graphics, sounds or music */
1438   ReloadCustomArtwork(0);
1439
1440   if (CheckTitleScreen(levelset_has_changed))
1441   {
1442     game_status_last_screen = GAME_MODE_MAIN;
1443
1444     SetGameStatus(GAME_MODE_TITLE);
1445
1446     DrawTitleScreen();
1447
1448     return;
1449   }
1450
1451   /* needed if different viewport properties defined for menues */
1452   ChangeViewportPropertiesIfNeeded();
1453
1454   if (redraw_mask & REDRAW_ALL)
1455     fade_mask = REDRAW_ALL;
1456
1457   if (CheckIfGlobalBorderHasChanged())
1458     fade_mask = REDRAW_ALL;
1459
1460   FadeOut(fade_mask);
1461
1462   SetDrawtoField(DRAW_BACKBUFFER);
1463
1464   /* level_nr may have been set to value over handicap with level editor */
1465   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1466     level_nr = leveldir_current->handicap_level;
1467
1468   LoadLevel(level_nr);
1469   LoadScore(level_nr);
1470
1471   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1472   SetDrawDeactivationMask(REDRAW_NONE);
1473   SetDrawBackgroundMask(REDRAW_FIELD);
1474
1475   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1476
1477 #if 0
1478   if (fade_mask == REDRAW_ALL)
1479     RedrawGlobalBorder();
1480 #endif
1481
1482   ClearField();
1483
1484   InitializeMainControls();
1485
1486   DrawCursorAndText_Main(-1, FALSE, FALSE);
1487   DrawPreviewLevelInitial();
1488
1489   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1490
1491   TapeStop();
1492   if (TAPE_IS_EMPTY(tape))
1493     LoadTape(level_nr);
1494   DrawCompleteVideoDisplay();
1495
1496   PlayMenuSound();
1497   PlayMenuMusic();
1498
1499   /* create gadgets for main menu screen */
1500   FreeScreenGadgets();
1501   CreateScreenGadgets();
1502
1503   /* map gadgets for main menu screen */
1504   MapTapeButtons();
1505   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1506
1507   /* copy actual game door content to door double buffer for OpenDoor() */
1508   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1509   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1510
1511   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1512
1513   DrawMaskedBorder(fade_mask);
1514
1515   FadeIn(fade_mask);
1516   FadeSetEnterMenu();
1517
1518   /* update screen area with special editor door */
1519   redraw_mask |= REDRAW_ALL;
1520   BackToFront();
1521
1522   SetMouseCursor(CURSOR_DEFAULT);
1523
1524   InitAnimation();
1525
1526   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1527 }
1528
1529 static void gotoTopLevelDir()
1530 {
1531   /* move upwards until inside (but not above) top level directory */
1532   while (leveldir_current->node_parent &&
1533          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1534   {
1535     /* write a "path" into level tree for easy navigation to last level */
1536     if (leveldir_current->node_parent->node_group->cl_first == -1)
1537     {
1538       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1539       int leveldir_pos = posTreeInfo(leveldir_current);
1540       int num_page_entries;
1541       int cl_first, cl_cursor;
1542
1543       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1544         num_page_entries = num_leveldirs;
1545       else
1546         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1547
1548       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1549       cl_cursor = leveldir_pos - cl_first;
1550
1551       leveldir_current->node_parent->node_group->cl_first = cl_first;
1552       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1553     }
1554
1555     leveldir_current = leveldir_current->node_parent;
1556   }
1557 }
1558
1559 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1560 {
1561   static unsigned int title_delay = 0;
1562   static int title_screen_nr = 0;
1563   static int last_sound = -1, last_music = -1;
1564   boolean return_to_main_menu = FALSE;
1565   struct TitleControlInfo *tci;
1566   int sound, music;
1567
1568   if (button == MB_MENU_INITIALIZE)
1569   {
1570     title_delay = 0;
1571     title_screen_nr = 0;
1572     tci = &title_controls[title_screen_nr];
1573
1574     SetAnimStatus(getTitleAnimMode(tci));
1575
1576     last_sound = SND_UNDEFINED;
1577     last_music = MUS_UNDEFINED;
1578
1579     if (num_title_screens != 0)
1580     {
1581       FadeSetEnterScreen();
1582
1583       /* use individual title fading instead of global "enter screen" fading */
1584       fading = getTitleFading(tci);
1585     }
1586
1587     if (game_status_last_screen == GAME_MODE_INFO)
1588     {
1589       if (num_title_screens == 0)
1590       {
1591         /* switch game mode from title screen mode back to info screen mode */
1592         SetGameStatus(GAME_MODE_INFO);
1593
1594         DrawInfoScreen_NotAvailable("Title screen information:",
1595                                     "No title screen for this level set.");
1596         return;
1597       }
1598
1599       FadeSoundsAndMusic();
1600     }
1601
1602     FadeOut(REDRAW_ALL);
1603
1604     /* only required to update logic for redrawing global border */
1605     ClearField();
1606
1607     /* title screens may have different window size */
1608     ChangeViewportPropertiesIfNeeded();
1609
1610     if (tci->is_image)
1611       DrawTitleScreenImage(tci->local_nr, tci->initial);
1612     else
1613       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1614
1615     sound = getTitleSound(tci);
1616     music = getTitleMusic(tci);
1617
1618     if (sound != last_sound)
1619       PlayMenuSoundExt(sound);
1620     if (music != last_music)
1621       PlayMenuMusicExt(music);
1622
1623     last_sound = sound;
1624     last_music = music;
1625
1626     SetMouseCursor(CURSOR_NONE);
1627
1628     FadeIn(REDRAW_ALL);
1629
1630     DelayReached(&title_delay, 0);      /* reset delay counter */
1631
1632     return;
1633   }
1634
1635   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1636     button = MB_MENU_CHOICE;
1637
1638   if (button == MB_MENU_LEAVE)
1639   {
1640     return_to_main_menu = TRUE;
1641   }
1642   else if (button == MB_MENU_CHOICE)
1643   {
1644     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1645     {
1646       SetGameStatus(GAME_MODE_INFO);
1647
1648       info_mode = INFO_MODE_MAIN;
1649
1650       DrawInfoScreen();
1651
1652       return;
1653     }
1654
1655     title_screen_nr++;
1656
1657     if (title_screen_nr < num_title_screens)
1658     {
1659       tci = &title_controls[title_screen_nr];
1660
1661       SetAnimStatus(getTitleAnimMode(tci));
1662
1663       sound = getTitleSound(tci);
1664       music = getTitleMusic(tci);
1665
1666       if (sound == SND_UNDEFINED || sound != last_sound)
1667         FadeSounds();
1668       if (music == MUS_UNDEFINED || music != last_music)
1669         FadeMusic();
1670
1671       fading = getTitleFading(tci);
1672
1673       FadeOut(REDRAW_ALL);
1674
1675       if (tci->is_image)
1676         DrawTitleScreenImage(tci->local_nr, tci->initial);
1677       else
1678         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1679
1680       sound = getTitleSound(tci);
1681       music = getTitleMusic(tci);
1682
1683       if (sound != last_sound)
1684         PlayMenuSoundExt(sound);
1685       if (music != last_music)
1686         PlayMenuMusicExt(music);
1687
1688       last_sound = sound;
1689       last_music = music;
1690
1691       FadeIn(REDRAW_ALL);
1692
1693       DelayReached(&title_delay, 0);    /* reset delay counter */
1694     }
1695     else
1696     {
1697       FadeSoundsAndMusic();
1698
1699       return_to_main_menu = TRUE;
1700     }
1701   }
1702
1703   if (return_to_main_menu)
1704   {
1705     SetMouseCursor(CURSOR_DEFAULT);
1706
1707     /* force full menu screen redraw after displaying title screens */
1708     redraw_mask = REDRAW_ALL;
1709
1710     if (game_status_last_screen == GAME_MODE_INFO)
1711     {
1712       SetGameStatus(GAME_MODE_INFO);
1713
1714       info_mode = INFO_MODE_MAIN;
1715
1716       DrawInfoScreen();
1717     }
1718     else        /* default: return to main menu */
1719     {
1720       SetGameStatus(GAME_MODE_MAIN);
1721
1722       DrawMainMenu();
1723     }
1724   }
1725 }
1726
1727 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1728 {
1729   int old_level_nr = level_nr;
1730   int new_level_nr;
1731
1732   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1733     new_level_nr = selected_level_nr;
1734   else
1735     new_level_nr = old_level_nr + step * direction;
1736
1737   if (new_level_nr < leveldir_current->first_level)
1738     new_level_nr = leveldir_current->first_level;
1739   if (new_level_nr > leveldir_current->last_level)
1740     new_level_nr = leveldir_current->last_level;
1741
1742   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1743   {
1744     /* skipping levels is only allowed when trying to skip single level */
1745     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1746         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1747     {
1748       leveldir_current->handicap_level++;
1749       SaveLevelSetup_SeriesInfo();
1750     }
1751
1752     new_level_nr = leveldir_current->handicap_level;
1753   }
1754
1755   if (new_level_nr != old_level_nr)
1756   {
1757     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1758
1759     PlaySound(SND_MENU_ITEM_SELECTING);
1760
1761     level_nr = new_level_nr;
1762
1763     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1764              int2str(level_nr, menu.main.text.level_number.size),
1765              mci->pos_text->font);
1766
1767     LoadLevel(level_nr);
1768     DrawPreviewLevelInitial();
1769
1770     TapeErase();
1771     LoadTape(level_nr);
1772     DrawCompleteVideoDisplay();
1773
1774     /* needed because DrawPreviewLevelInitial() takes some time */
1775     BackToFront();
1776     /* SyncDisplay(); */
1777   }
1778 }
1779
1780 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1781 {
1782   static int choice = MAIN_CONTROL_GAME;
1783   static boolean button_pressed_last = FALSE;
1784   boolean button_pressed = FALSE;
1785   int pos = choice;
1786   int i;
1787
1788   if (button == MB_MENU_INITIALIZE)
1789   {
1790     DrawCursorAndText_Main(choice, TRUE, FALSE);
1791
1792     return;
1793   }
1794
1795   if (mx || my)         /* mouse input */
1796   {
1797     pos = -1;
1798
1799     for (i = 0; main_controls[i].nr != -1; i++)
1800     {
1801       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1802           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1803           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1804       {
1805         pos = main_controls[i].nr;
1806
1807         break;
1808       }
1809     }
1810
1811     // handle pressed/unpressed state for active/inactive menu buttons
1812     // (if pos != -1, "i" contains index position corresponding to "pos")
1813     if (button &&
1814         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1815         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1816       button_pressed = TRUE;
1817
1818     if (button_pressed != button_pressed_last)
1819     {
1820       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1821
1822       if (button_pressed)
1823         PlaySound(SND_MENU_BUTTON_PRESSING);
1824       else
1825         PlaySound(SND_MENU_BUTTON_RELEASING);
1826     }
1827   }
1828   else if (dx || dy)    /* keyboard input */
1829   {
1830     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1831                    choice == MAIN_CONTROL_SETUP))
1832       button = MB_MENU_CHOICE;
1833     else if (dy)
1834       pos = choice + dy;
1835   }
1836
1837   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1838   {
1839     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1840   }
1841   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1842   {
1843     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1844   }
1845   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1846   {
1847     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1848   }
1849   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1850   {
1851     StopAnimation();
1852
1853     CloseDoor(DOOR_CLOSE_2);
1854
1855     SetGameStatus(GAME_MODE_LEVELNR);
1856
1857     ChangeViewportPropertiesIfNeeded();
1858
1859     DrawChooseLevelNr();
1860   }
1861   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1862   {
1863     if (button)
1864     {
1865       if (pos != choice)
1866       {
1867         PlaySound(SND_MENU_ITEM_ACTIVATING);
1868
1869         DrawCursorAndText_Main(choice, FALSE, FALSE);
1870         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1871
1872         choice = pos;
1873       }
1874     }
1875     else
1876     {
1877       PlaySound(SND_MENU_ITEM_SELECTING);
1878
1879       if (pos == MAIN_CONTROL_NAME)
1880       {
1881         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
1882
1883         HandleTypeName(strlen(setup.player_name), 0);
1884       }
1885       else if (pos == MAIN_CONTROL_LEVELS)
1886       {
1887         if (leveldir_first)
1888         {
1889           StopAnimation();
1890
1891           CloseDoor(DOOR_CLOSE_2);
1892
1893           SetGameStatus(GAME_MODE_LEVELS);
1894
1895           SaveLevelSetup_LastSeries();
1896           SaveLevelSetup_SeriesInfo();
1897
1898           if (setup.internal.choose_from_top_leveldir)
1899             gotoTopLevelDir();
1900
1901           ChangeViewportPropertiesIfNeeded();
1902
1903           DrawChooseLevelSet();
1904         }
1905       }
1906       else if (pos == MAIN_CONTROL_SCORES)
1907       {
1908         StopAnimation();
1909
1910         CloseDoor(DOOR_CLOSE_2);
1911
1912         SetGameStatus(GAME_MODE_SCORES);
1913
1914         DrawHallOfFame(-1);
1915       }
1916       else if (pos == MAIN_CONTROL_EDITOR)
1917       {
1918         if (leveldir_current->readonly &&
1919             !strEqual(setup.player_name, "Artsoft"))
1920           Request("This level is read only!", REQ_CONFIRM);
1921
1922         StopAnimation();
1923
1924         CloseDoor(DOOR_CLOSE_2);
1925
1926         SetGameStatus(GAME_MODE_EDITOR);
1927
1928         FadeSetEnterScreen();
1929
1930         DrawLevelEd();
1931       }
1932       else if (pos == MAIN_CONTROL_INFO)
1933       {
1934         StopAnimation();
1935
1936         CloseDoor(DOOR_CLOSE_2);
1937
1938         SetGameStatus(GAME_MODE_INFO);
1939
1940         info_mode = INFO_MODE_MAIN;
1941
1942         ChangeViewportPropertiesIfNeeded();
1943
1944         DrawInfoScreen();
1945       }
1946       else if (pos == MAIN_CONTROL_GAME)
1947       {
1948         StopAnimation();
1949
1950         StartGameActions(options.network, setup.autorecord, level.random_seed);
1951       }
1952       else if (pos == MAIN_CONTROL_SETUP)
1953       {
1954         StopAnimation();
1955
1956         CloseDoor(DOOR_CLOSE_2);
1957
1958         SetGameStatus(GAME_MODE_SETUP);
1959
1960         setup_mode = SETUP_MODE_MAIN;
1961
1962         ChangeViewportPropertiesIfNeeded();
1963
1964         DrawSetupScreen();
1965       }
1966       else if (pos == MAIN_CONTROL_QUIT)
1967       {
1968         SaveLevelSetup_LastSeries();
1969         SaveLevelSetup_SeriesInfo();
1970
1971         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1972           SetGameStatus(GAME_MODE_QUIT);
1973       }
1974     }
1975   }
1976
1977   button_pressed_last = button_pressed;
1978 }
1979
1980
1981 /* ========================================================================= */
1982 /* info screen functions                                                     */
1983 /* ========================================================================= */
1984
1985 static struct TokenInfo *info_info;
1986 static int num_info_info;       /* number of info entries shown on screen */
1987 static int max_info_info;       /* total number of info entries in list */
1988
1989 static void execInfoTitleScreen()
1990 {
1991   info_mode = INFO_MODE_TITLE;
1992
1993   DrawInfoScreen();
1994 }
1995
1996 static void execInfoElements()
1997 {
1998   info_mode = INFO_MODE_ELEMENTS;
1999
2000   DrawInfoScreen();
2001 }
2002
2003 static void execInfoMusic()
2004 {
2005   info_mode = INFO_MODE_MUSIC;
2006
2007   DrawInfoScreen();
2008 }
2009
2010 static void execInfoCredits()
2011 {
2012   info_mode = INFO_MODE_CREDITS;
2013
2014   DrawInfoScreen();
2015 }
2016
2017 static void execInfoProgram()
2018 {
2019   info_mode = INFO_MODE_PROGRAM;
2020
2021   DrawInfoScreen();
2022 }
2023
2024 static void execInfoVersion()
2025 {
2026   info_mode = INFO_MODE_VERSION;
2027
2028   DrawInfoScreen();
2029 }
2030
2031 static void execInfoLevelSet()
2032 {
2033   info_mode = INFO_MODE_LEVELSET;
2034
2035   DrawInfoScreen();
2036 }
2037
2038 static void execExitInfo()
2039 {
2040   SetGameStatus(GAME_MODE_MAIN);
2041
2042   DrawMainMenu();
2043 }
2044
2045 static struct TokenInfo info_info_main[] =
2046 {
2047   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2048   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2049   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2050   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2051   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2052   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2053   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2054   { TYPE_EMPTY,         NULL,                   ""                      },
2055   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2056
2057   { 0,                  NULL,                   NULL                    }
2058 };
2059
2060 static int getMenuTextFont(int type)
2061 {
2062   if (type & (TYPE_SWITCH       |
2063               TYPE_YES_NO       |
2064               TYPE_YES_NO_AUTO  |
2065               TYPE_STRING       |
2066               TYPE_ECS_AGA      |
2067               TYPE_KEYTEXT      |
2068               TYPE_ENTER_LIST))
2069     return FONT_MENU_2;
2070   else
2071     return FONT_MENU_1;
2072 }
2073
2074 static struct TokenInfo *setup_info;
2075 static struct TokenInfo setup_info_input[];
2076
2077 static struct TokenInfo *menu_info;
2078
2079 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2080                                        int screen_pos, int menu_info_pos_raw,
2081                                        boolean active)
2082 {
2083   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2084   struct TokenInfo *ti = &token_info[pos];
2085   int xpos = MENU_SCREEN_START_XPOS;
2086   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2087   int font_nr = getMenuTextFont(ti->type);
2088
2089   if (token_info == setup_info_input)
2090     font_nr = FONT_MENU_1;
2091
2092   if (active)
2093     font_nr = FONT_ACTIVE(font_nr);
2094
2095   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2096
2097   if (ti->type & ~TYPE_SKIP_ENTRY)
2098     drawCursor(screen_pos, active);
2099 }
2100
2101 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2102                                    boolean active)
2103 {
2104   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2105 }
2106
2107 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2108                                     boolean active)
2109 {
2110   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2111 }
2112
2113 static char *window_size_text;
2114 static char *scaling_type_text;
2115
2116 static void drawSetupValue(int, int);
2117
2118 static void drawMenuInfoList(int first_entry, int num_page_entries,
2119                              int max_page_entries)
2120 {
2121   int i;
2122
2123   if (first_entry + num_page_entries > max_page_entries)
2124     first_entry = 0;
2125
2126   clearMenuListArea();
2127
2128   for (i = 0; i < num_page_entries; i++)
2129   {
2130     int menu_info_pos = first_entry + i;
2131     struct TokenInfo *si = &menu_info[menu_info_pos];
2132     void *value_ptr = si->value;
2133
2134     /* set some entries to "unchangeable" according to other variables */
2135     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2136         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2137         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2138         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2139         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2140         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2141       si->type |= TYPE_GHOSTED;
2142
2143     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2144       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2145     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2146       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2147     else if (si->type & ~TYPE_SKIP_ENTRY)
2148       initCursor(i, IMG_MENU_BUTTON);
2149
2150     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2151
2152     if (si->type & TYPE_VALUE &&
2153         menu_info == setup_info)
2154       drawSetupValue(i, menu_info_pos);
2155   }
2156 }
2157
2158 static void DrawInfoScreen_Main()
2159 {
2160   int fade_mask = REDRAW_FIELD;
2161   int i;
2162
2163   if (redraw_mask & REDRAW_ALL)
2164     fade_mask = REDRAW_ALL;
2165
2166   if (CheckIfGlobalBorderHasChanged())
2167     fade_mask = REDRAW_ALL;
2168
2169   UnmapAllGadgets();
2170   FadeSoundsAndMusic();
2171
2172   FreeScreenGadgets();
2173   CreateScreenGadgets();
2174
2175   /* (needed after displaying title screens which disable auto repeat) */
2176   KeyboardAutoRepeatOn();
2177
2178   FadeSetLeaveScreen();
2179
2180   FadeOut(fade_mask);
2181
2182   ChangeViewportPropertiesIfNeeded();
2183
2184   ClearField();
2185
2186   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2187
2188   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2189
2190   info_info = info_info_main;
2191
2192   // determine maximal number of info entries that can be displayed on screen
2193   num_info_info = 0;
2194   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2195     num_info_info++;
2196
2197   // determine maximal number of info entries available for menu of info screen
2198   max_info_info = 0;
2199   for (i = 0; info_info[i].type != 0; i++)
2200     max_info_info++;
2201
2202   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2203
2204   MapScreenGadgets(max_info_info);
2205
2206   PlayMenuSound();
2207   PlayMenuMusic();
2208
2209   DrawMaskedBorder(fade_mask);
2210
2211   FadeIn(fade_mask);
2212
2213   InitAnimation();
2214 }
2215
2216 static void changeSetupValue(int, int, int);
2217
2218 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2219                       int mode, int num_page_entries, int max_page_entries)
2220 {
2221   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2222   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2223   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2224   int *num_page_entries_last = num_page_entries_all_last[game_status];
2225   int *choice_store = choice_stores[game_status];
2226   int *first_entry_store = first_entry_stores[game_status];
2227   int choice = choice_store[mode];              /* starts with 0 */
2228   int first_entry = first_entry_store[mode];    /* starts with 0 */
2229   int x = 0;
2230   int y = choice - first_entry;
2231   int y_old = y;
2232   boolean position_set_by_scrollbar = (dx == 999);
2233   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2234   int i;
2235
2236   if (button == MB_MENU_INITIALIZE)
2237   {
2238     // check if number of menu page entries has changed (may happen by change
2239     // of custom artwork definition value for 'list_size' for this menu screen)
2240     // (in this case, the last menu position most probably has to be corrected)
2241     if (num_page_entries != num_page_entries_last[mode])
2242     {
2243       choice_store[mode] = first_entry_store[mode] = 0;
2244
2245       choice = first_entry = 0;
2246       y = y_old = 0;
2247
2248       num_page_entries_last[mode] = num_page_entries;
2249     }
2250
2251     /* advance to first valid menu entry */
2252     while (choice < num_page_entries &&
2253            menu_info[choice].type & TYPE_SKIP_ENTRY)
2254       choice++;
2255
2256     if (position_set_by_scrollbar)
2257       first_entry = first_entry_store[mode] = dy;
2258     else
2259       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2260                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2261
2262     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2263
2264     if (choice < first_entry)
2265     {
2266       choice = first_entry;
2267
2268       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2269         choice++;
2270     }
2271     else if (choice > first_entry + num_page_entries - 1)
2272     {
2273       choice = first_entry + num_page_entries - 1;
2274
2275       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2276         choice--;
2277     }
2278
2279     choice_store[mode] = choice;
2280
2281     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2282
2283     return;
2284   }
2285   else if (button == MB_MENU_LEAVE)
2286   {
2287     PlaySound(SND_MENU_ITEM_SELECTING);
2288
2289     for (i = 0; i < max_page_entries; i++)
2290     {
2291       if (menu_info[i].type & TYPE_LEAVE_MENU)
2292       {
2293         void (*menu_callback_function)(void) = menu_info[i].value;
2294
2295         FadeSetLeaveMenu();
2296
2297         menu_callback_function();
2298
2299         break;  /* absolutely needed because function changes 'menu_info'! */
2300       }
2301     }
2302
2303     return;
2304   }
2305
2306   if (mx || my)         /* mouse input */
2307   {
2308     x = (mx - mSX) / 32;
2309     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2310   }
2311   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2312   {
2313     /* move cursor instead of scrolling when already at start/end of list */
2314     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2315       dy = -1;
2316     else if (dy == +1 * SCROLL_LINE &&
2317              first_entry + num_page_entries == max_page_entries)
2318       dy = 1;
2319
2320     /* handle scrolling screen one line or page */
2321     if (y + dy < 0 ||
2322         y + dy > num_page_entries - 1)
2323     {
2324       boolean redraw = FALSE;
2325
2326       if (ABS(dy) == SCROLL_PAGE)
2327         step = num_page_entries - 1;
2328
2329       if (dy < 0 && first_entry > 0)
2330       {
2331         /* scroll page/line up */
2332
2333         first_entry -= step;
2334         if (first_entry < 0)
2335           first_entry = 0;
2336
2337         redraw = TRUE;
2338       }
2339       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2340       {
2341         /* scroll page/line down */
2342
2343         first_entry += step;
2344         if (first_entry + num_page_entries > max_page_entries)
2345           first_entry = MAX(0, max_page_entries - num_page_entries);
2346
2347         redraw = TRUE;
2348       }
2349
2350       if (redraw)
2351       {
2352         choice += first_entry - first_entry_store[mode];
2353
2354         if (choice < first_entry)
2355         {
2356           choice = first_entry;
2357
2358           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2359             choice++;
2360         }
2361         else if (choice > first_entry + num_page_entries - 1)
2362         {
2363           choice = first_entry + num_page_entries - 1;
2364
2365           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2366             choice--;
2367         }
2368         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2369         {
2370           choice += SIGN(dy);
2371
2372           if (choice < first_entry ||
2373               choice > first_entry + num_page_entries - 1)
2374           first_entry += SIGN(dy);
2375         }
2376
2377         first_entry_store[mode] = first_entry;
2378         choice_store[mode] = choice;
2379
2380         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2381
2382         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2383
2384         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2385                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2386       }
2387
2388       return;
2389     }
2390
2391     if (dx)
2392     {
2393       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2394
2395       if (menu_info[choice].type & menu_navigation_type ||
2396           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2397           menu_info[choice].type & TYPE_YES_NO_AUTO)
2398         button = MB_MENU_CHOICE;
2399     }
2400     else if (dy)
2401       y += dy;
2402
2403     /* jump to next non-empty menu entry (up or down) */
2404     while (first_entry + y > 0 &&
2405            first_entry + y < max_page_entries - 1 &&
2406            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2407       y += dy;
2408
2409     if (!IN_VIS_MENU(x, y))
2410     {
2411       choice += y - y_old;
2412
2413       if (choice < first_entry)
2414         first_entry = choice;
2415       else if (choice > first_entry + num_page_entries - 1)
2416         first_entry = choice - num_page_entries + 1;
2417
2418       if (first_entry >= 0 &&
2419           first_entry + num_page_entries <= max_page_entries)
2420       {
2421         first_entry_store[mode] = first_entry;
2422
2423         if (choice < first_entry)
2424           choice = first_entry;
2425         else if (choice > first_entry + num_page_entries - 1)
2426           choice = first_entry + num_page_entries - 1;
2427
2428         choice_store[mode] = choice;
2429
2430         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2431
2432         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2433
2434         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2435                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2436       }
2437
2438       return;
2439     }
2440   }
2441
2442   if (!anyScrollbarGadgetActive() &&
2443       IN_VIS_MENU(x, y) &&
2444       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2445       y >= 0 && y < num_page_entries)
2446   {
2447     if (button)
2448     {
2449       if (first_entry + y != choice &&
2450           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2451       {
2452         PlaySound(SND_MENU_ITEM_ACTIVATING);
2453
2454         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2455         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2456
2457         choice = choice_store[mode] = first_entry + y;
2458       }
2459     }
2460     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2461     {
2462       PlaySound(SND_MENU_ITEM_SELECTING);
2463
2464       /* when selecting key headline, execute function for key value change */
2465       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2466           menu_info[first_entry + y + 1].type & TYPE_KEY)
2467         y++;
2468
2469       /* when selecting string value, execute function for list selection */
2470       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2471           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2472         y--;
2473
2474       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2475       {
2476         void (*menu_callback_function)(void) =
2477           menu_info[first_entry + y].value;
2478
2479         FadeSetFromType(menu_info[first_entry + y].type);
2480
2481         menu_callback_function();
2482       }
2483       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2484                menu_info == setup_info)
2485       {
2486         changeSetupValue(y, first_entry + y, dx);
2487       }
2488     }
2489   }
2490 }
2491
2492 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2493 {
2494   menu_info = info_info;
2495
2496   HandleMenuScreen(mx, my, dx, dy, button,
2497                    info_mode, num_info_info, max_info_info);
2498 }
2499
2500 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2501 {
2502   int ystart1 = mSY - SY + 100;
2503   int ystart2 = mSY - SY + 150;
2504   int ybottom = mSY - SY + SYSIZE - 20;
2505
2506   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2507
2508   FadeOut(REDRAW_FIELD);
2509
2510   ClearField();
2511   DrawHeadline();
2512
2513   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2514   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2515
2516   DrawTextSCentered(ybottom, FONT_TEXT_4,
2517                     "Press any key or button for info menu");
2518
2519   FadeIn(REDRAW_FIELD);
2520 }
2521
2522 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2523 {
2524   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2525   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2526   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2527   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2528   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2529   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2530   int ystep = MENU_SCREEN_INFO_YSTEP;
2531   int element, action, direction;
2532   int graphic;
2533   int delay;
2534   int sync_frame;
2535   int i, j;
2536
2537   if (init)
2538   {
2539     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2540       infoscreen_step[i] = infoscreen_frame[i] = 0;
2541
2542     ClearField();
2543     DrawHeadline();
2544
2545     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2546
2547     DrawTextSCentered(ybottom, FONT_TEXT_4,
2548                       "Press any key or button for next page");
2549
2550     FrameCounter = 0;
2551   }
2552
2553   i = j = 0;
2554   while (helpanim_info[j].element != HELPANIM_LIST_END)
2555   {
2556     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2557         i >= max_anims)
2558       break;
2559     else if (i < start)
2560     {
2561       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2562         j++;
2563
2564       j++;
2565       i++;
2566
2567       continue;
2568     }
2569
2570     j += infoscreen_step[i - start];
2571
2572     element = helpanim_info[j].element;
2573     action = helpanim_info[j].action;
2574     direction = helpanim_info[j].direction;
2575
2576     if (element < 0)
2577       element = EL_UNKNOWN;
2578
2579     if (action != -1 && direction != -1)
2580       graphic = el_act_dir2img(element, action, direction);
2581     else if (action != -1)
2582       graphic = el_act2img(element, action);
2583     else if (direction != -1)
2584       graphic = el_dir2img(element, direction);
2585     else
2586       graphic = el2img(element);
2587
2588     delay = helpanim_info[j++].delay;
2589
2590     if (delay == -1)
2591       delay = 1000000;
2592
2593     if (infoscreen_frame[i - start] == 0)
2594     {
2595       sync_frame = 0;
2596       infoscreen_frame[i - start] = delay - 1;
2597     }
2598     else
2599     {
2600       sync_frame = delay - infoscreen_frame[i - start];
2601       infoscreen_frame[i - start]--;
2602     }
2603
2604     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2605     {
2606       if (!infoscreen_frame[i - start])
2607         infoscreen_step[i - start] = 0;
2608     }
2609     else
2610     {
2611       if (!infoscreen_frame[i - start])
2612         infoscreen_step[i - start]++;
2613       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2614         j++;
2615     }
2616
2617     j++;
2618
2619     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2620                                TILEX, TILEY);
2621     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2622                                  graphic, sync_frame, USE_MASKING);
2623
2624     if (init)
2625       DrawInfoScreen_HelpText(element, action, direction, i - start);
2626
2627     i++;
2628   }
2629
2630   redraw_mask |= REDRAW_FIELD;
2631
2632   FrameCounter++;
2633 }
2634
2635 static char *getHelpText(int element, int action, int direction)
2636 {
2637   char token[MAX_LINE_LEN];
2638
2639   strcpy(token, element_info[element].token_name);
2640
2641   if (action != -1)
2642     strcat(token, element_action_info[action].suffix);
2643
2644   if (direction != -1)
2645     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2646
2647   return getHashEntry(helptext_info, token);
2648 }
2649
2650 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2651 {
2652   int font_nr = FONT_INFO_ELEMENTS;
2653   int font_width = getFontWidth(font_nr);
2654   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2655   int sy = mSY + 65 + 2 * 32 + 1;
2656   int ystep = TILEY + 4;
2657   int pad_x = sx - SX;
2658   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2659   int max_lines_per_text = 2;
2660   char *text = NULL;
2661
2662   if (action != -1 && direction != -1)          /* element.action.direction */
2663     text = getHelpText(element, action, direction);
2664
2665   if (text == NULL && action != -1)             /* element.action */
2666     text = getHelpText(element, action, -1);
2667
2668   if (text == NULL && direction != -1)          /* element.direction */
2669     text = getHelpText(element, -1, direction);
2670
2671   if (text == NULL)                             /* base element */
2672     text = getHelpText(element, -1, -1);
2673
2674   if (text == NULL)                             /* not found */
2675     text = "No description available";
2676
2677   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2678     sy += getFontHeight(font_nr) / 2;
2679
2680   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2681                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2682                  TRUE, FALSE, FALSE);
2683 }
2684
2685 void DrawInfoScreen_TitleScreen()
2686 {
2687   game_status_last_screen = GAME_MODE_INFO;
2688
2689   SetGameStatus(GAME_MODE_TITLE);
2690
2691   DrawTitleScreen();
2692 }
2693
2694 void HandleInfoScreen_TitleScreen(int button)
2695 {
2696   HandleTitleScreen(0, 0, 0, 0, button);
2697 }
2698
2699 void DrawInfoScreen_Elements()
2700 {
2701   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2702
2703   FadeOut(REDRAW_FIELD);
2704
2705   LoadHelpAnimInfo();
2706   LoadHelpTextInfo();
2707
2708   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2709
2710   FadeIn(REDRAW_FIELD);
2711
2712   InitAnimation();
2713 }
2714
2715 void HandleInfoScreen_Elements(int button)
2716 {
2717   static unsigned int info_delay = 0;
2718   static int num_anims;
2719   static int num_pages;
2720   static int page;
2721   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2722   int i;
2723
2724   if (button == MB_MENU_INITIALIZE)
2725   {
2726     boolean new_element = TRUE;
2727
2728     num_anims = 0;
2729
2730     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2731     {
2732       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2733         new_element = TRUE;
2734       else if (new_element)
2735       {
2736         num_anims++;
2737         new_element = FALSE;
2738       }
2739     }
2740
2741     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2742     page = 0;
2743   }
2744
2745   if (button == MB_MENU_LEAVE)
2746   {
2747     PlaySound(SND_MENU_ITEM_SELECTING);
2748
2749     info_mode = INFO_MODE_MAIN;
2750     DrawInfoScreen();
2751
2752     return;
2753   }
2754   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2755   {
2756     if (button != MB_MENU_INITIALIZE)
2757     {
2758       PlaySound(SND_MENU_ITEM_SELECTING);
2759
2760       page++;
2761     }
2762
2763     if (page >= num_pages)
2764     {
2765       FadeSoundsAndMusic();
2766
2767       info_mode = INFO_MODE_MAIN;
2768       DrawInfoScreen();
2769
2770       return;
2771     }
2772
2773     if (page > 0)
2774       FadeSetNextScreen();
2775
2776     if (button != MB_MENU_INITIALIZE)
2777       FadeOut(REDRAW_FIELD);
2778
2779     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2780
2781     if (button != MB_MENU_INITIALIZE)
2782       FadeIn(REDRAW_FIELD);
2783   }
2784   else
2785   {
2786     if (DelayReached(&info_delay, GameFrameDelay))
2787       if (page < num_pages)
2788         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2789
2790     PlayMenuSoundIfLoop();
2791   }
2792 }
2793
2794 void DrawInfoScreen_Music()
2795 {
2796   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2797
2798   FadeOut(REDRAW_FIELD);
2799
2800   ClearField();
2801   DrawHeadline();
2802
2803   LoadMusicInfo();
2804
2805   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2806
2807   FadeIn(REDRAW_FIELD);
2808 }
2809
2810 void HandleInfoScreen_Music(int button)
2811 {
2812   static struct MusicFileInfo *list = NULL;
2813   int ystart1 = mSY - SY + 100;
2814   int ystart2 = mSY - SY + 150;
2815   int ybottom = mSY - SY + SYSIZE - 20;
2816   int dy = 30;
2817
2818   if (button == MB_MENU_INITIALIZE)
2819   {
2820     list = music_file_info;
2821
2822     if (list == NULL)
2823     {
2824       FadeSoundsAndMusic();
2825
2826       ClearField();
2827       DrawHeadline();
2828
2829       DrawTextSCentered(ystart1, FONT_TEXT_1,
2830                         "No music info for this level set.");
2831
2832       DrawTextSCentered(ybottom, FONT_TEXT_4,
2833                         "Press any key or button for info menu");
2834
2835       return;
2836     }
2837   }
2838
2839   if (button == MB_MENU_LEAVE)
2840   {
2841     PlaySound(SND_MENU_ITEM_SELECTING);
2842
2843     FadeSoundsAndMusic();
2844
2845     info_mode = INFO_MODE_MAIN;
2846     DrawInfoScreen();
2847
2848     return;
2849   }
2850   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2851   {
2852     int y = 0;
2853
2854     if (button != MB_MENU_INITIALIZE)
2855     {
2856       PlaySound(SND_MENU_ITEM_SELECTING);
2857
2858       if (list != NULL)
2859         list = list->next;
2860     }
2861
2862     if (list == NULL)
2863     {
2864       FadeSoundsAndMusic();
2865
2866       info_mode = INFO_MODE_MAIN;
2867       DrawInfoScreen();
2868
2869       return;
2870     }
2871
2872     FadeSoundsAndMusic();
2873
2874     if (list != music_file_info)
2875       FadeSetNextScreen();
2876
2877     if (button != MB_MENU_INITIALIZE)
2878       FadeOut(REDRAW_FIELD);
2879
2880     ClearField();
2881     DrawHeadline();
2882
2883     if (list->is_sound)
2884     {
2885       int sound = list->music;
2886
2887       if (sound_info[sound].loop)
2888         PlaySoundLoop(sound);
2889       else
2890         PlaySound(sound);
2891
2892       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2893     }
2894     else
2895     {
2896       PlayMusic(list->music);
2897
2898       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2899     }
2900
2901     if (!strEqual(list->title, UNKNOWN_NAME))
2902     {
2903       if (!strEqual(list->title_header, UNKNOWN_NAME))
2904         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2905
2906       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2907     }
2908
2909     if (!strEqual(list->artist, UNKNOWN_NAME))
2910     {
2911       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2912         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2913       else
2914         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2915
2916       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2917     }
2918
2919     if (!strEqual(list->album, UNKNOWN_NAME))
2920     {
2921       if (!strEqual(list->album_header, UNKNOWN_NAME))
2922         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2923       else
2924         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2925
2926       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2927     }
2928
2929     if (!strEqual(list->year, UNKNOWN_NAME))
2930     {
2931       if (!strEqual(list->year_header, UNKNOWN_NAME))
2932         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2933       else
2934         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2935
2936       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2937     }
2938
2939     DrawTextSCentered(ybottom, FONT_TEXT_4,
2940                       "Press any key or button for next page");
2941
2942     if (button != MB_MENU_INITIALIZE)
2943       FadeIn(REDRAW_FIELD);
2944   }
2945
2946   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2947     PlaySoundLoop(list->music);
2948 }
2949
2950 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2951 {
2952   int ystart1 = mSY - SY + 100;
2953   int ystart2 = mSY - SY + 150;
2954   int ybottom = mSY - SY + SYSIZE - 20;
2955   int ystep = 30;
2956
2957   ClearField();
2958   DrawHeadline();
2959
2960   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2961
2962   if (screen_nr == 0)
2963   {
2964     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2965                       "Special thanks to");
2966     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2967                       "Peter Liepa");
2968     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2969                       "for creating");
2970     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2971                       "\"Boulder Dash\"");
2972     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2973                       "in the year");
2974     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2975                       "1984");
2976     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2977                       "published by");
2978     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2979                       "First Star Software");
2980   }
2981   else if (screen_nr == 1)
2982   {
2983     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2984                       "Special thanks to");
2985     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2986                       "Klaus Heinz & Volker Wertich");
2987     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2988                       "for creating");
2989     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2990                       "\"Emerald Mine\"");
2991     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2992                       "in the year");
2993     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2994                       "1987");
2995     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2996                       "published by");
2997     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2998                       "Kingsoft");
2999   }
3000   else if (screen_nr == 2)
3001   {
3002     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3003                       "Special thanks to");
3004     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3005                       "Michael Stopp & Philip Jespersen");
3006     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3007                       "for creating");
3008     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3009                       "\"Supaplex\"");
3010     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3011                       "in the year");
3012     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3013                       "1991");
3014     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3015                       "published by");
3016     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3017                       "Digital Integration");
3018   }
3019   else if (screen_nr == 3)
3020   {
3021     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3022                       "Special thanks to");
3023     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3024                       "Hiroyuki Imabayashi");
3025     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3026                       "for creating");
3027     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3028                       "\"Sokoban\"");
3029     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3030                       "in the year");
3031     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3032                       "1982");
3033     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3034                       "published by");
3035     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3036                       "Thinking Rabbit");
3037   }
3038   else if (screen_nr == 4)
3039   {
3040     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3041                       "Special thanks to");
3042     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3043                       "Alan Bond");
3044     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3045                       "and");
3046     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3047                       "J\xfcrgen Bonhagen");
3048     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3049                       "for the continuous creation");
3050     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3051                       "of outstanding level sets");
3052   }
3053   else if (screen_nr == 5)
3054   {
3055     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3056                       "Thanks to");
3057     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3058                       "Peter Elzner");
3059     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3060                       "for ideas and inspiration by");
3061     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3062                       "Diamond Caves");
3063
3064     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3065                       "Thanks to");
3066     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3067                       "Steffest");
3068     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3069                       "for ideas and inspiration by");
3070     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3071                       "DX-Boulderdash");
3072   }
3073   else if (screen_nr == 6)
3074   {
3075     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3076                       "Thanks to");
3077     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3078                       "David Tritscher");
3079 #if 1
3080     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3081                       "for the code base used for the");
3082     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3083                       "native Emerald Mine engine");
3084 #else
3085     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3086                       "for the new Emerald Mine engine");
3087 #endif
3088   }
3089   else if (screen_nr == 7)
3090   {
3091     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3092                       "Thanks to");
3093     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3094                       "Guido Schulz");
3095     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3096                       "for the initial DOS port");
3097
3098     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3099                       "Thanks to");
3100     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3101                       "Karl H\xf6rnell");
3102     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3103                       "for some additional toons");
3104   }
3105   else if (screen_nr == 8)
3106   {
3107     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3108                       "And not to forget:");
3109     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3110                       "Many thanks to");
3111     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3112                       "All those who contributed");
3113     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3114                       "levels to this game");
3115     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3116                       "since 1995");
3117   }
3118
3119   DrawTextSCentered(ybottom, FONT_TEXT_4,
3120                     "Press any key or button for next page");
3121 }
3122
3123 void DrawInfoScreen_Credits()
3124 {
3125   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3126
3127   FadeSoundsAndMusic();
3128
3129   FadeOut(REDRAW_FIELD);
3130
3131   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3132
3133   FadeIn(REDRAW_FIELD);
3134 }
3135
3136 void HandleInfoScreen_Credits(int button)
3137 {
3138   static int screen_nr = 0;
3139   int num_screens = 9;
3140
3141   if (button == MB_MENU_INITIALIZE)
3142   {
3143     screen_nr = 0;
3144
3145     // DrawInfoScreen_CreditsScreen(screen_nr);
3146   }
3147
3148   if (button == MB_MENU_LEAVE)
3149   {
3150     PlaySound(SND_MENU_ITEM_SELECTING);
3151
3152     info_mode = INFO_MODE_MAIN;
3153     DrawInfoScreen();
3154
3155     return;
3156   }
3157   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3158   {
3159     if (button != MB_MENU_INITIALIZE)
3160     {
3161       PlaySound(SND_MENU_ITEM_SELECTING);
3162
3163       screen_nr++;
3164     }
3165
3166     if (screen_nr >= num_screens)
3167     {
3168       FadeSoundsAndMusic();
3169
3170       info_mode = INFO_MODE_MAIN;
3171       DrawInfoScreen();
3172
3173       return;
3174     }
3175
3176     if (screen_nr > 0)
3177       FadeSetNextScreen();
3178
3179     if (button != MB_MENU_INITIALIZE)
3180       FadeOut(REDRAW_FIELD);
3181
3182     DrawInfoScreen_CreditsScreen(screen_nr);
3183
3184     if (button != MB_MENU_INITIALIZE)
3185       FadeIn(REDRAW_FIELD);
3186   }
3187   else
3188   {
3189     PlayMenuSoundIfLoop();
3190   }
3191 }
3192
3193 void DrawInfoScreen_Program()
3194 {
3195   int ystart1 = mSY - SY + 100;
3196   int ystart2 = mSY - SY + 150;
3197   int ybottom = mSY - SY + SYSIZE - 20;
3198   int ystep = 30;
3199
3200   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3201
3202   FadeOut(REDRAW_FIELD);
3203
3204   ClearField();
3205   DrawHeadline();
3206
3207   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3208
3209   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3210                     "This game is Freeware!");
3211   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3212                     "If you like it, send e-mail to:");
3213   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3214                     setup.internal.program_email);
3215   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3216                     "More information and levels:");
3217   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3218                     setup.internal.program_website);
3219   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3220                     "If you have created new levels,");
3221   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3222                     "send them to me to include them!");
3223   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3224                     ":-)");
3225
3226   DrawTextSCentered(ybottom, FONT_TEXT_4,
3227                     "Press any key or button for info menu");
3228
3229   FadeIn(REDRAW_FIELD);
3230 }
3231
3232 void HandleInfoScreen_Program(int button)
3233 {
3234   if (button == MB_MENU_LEAVE)
3235   {
3236     PlaySound(SND_MENU_ITEM_SELECTING);
3237
3238     info_mode = INFO_MODE_MAIN;
3239     DrawInfoScreen();
3240
3241     return;
3242   }
3243   else if (button == MB_MENU_CHOICE)
3244   {
3245     PlaySound(SND_MENU_ITEM_SELECTING);
3246
3247     FadeSoundsAndMusic();
3248
3249     info_mode = INFO_MODE_MAIN;
3250     DrawInfoScreen();
3251   }
3252   else
3253   {
3254     PlayMenuSoundIfLoop();
3255   }
3256 }
3257
3258 void DrawInfoScreen_Version()
3259 {
3260   int font_header = FONT_TEXT_3;
3261   int font_text = FONT_TEXT_2;
3262   int xstep = getFontWidth(font_text);
3263   int ystep = getFontHeight(font_text);
3264   int ystart1 = mSY - SY + 100;
3265   int ystart2 = mSY - SY + 150;
3266   int ybottom = mSY - SY + SYSIZE - 20;
3267   int xstart1 = mSX - SX + 2 * xstep;
3268   int xstart2 = mSX - SX + 18 * xstep;
3269   int xstart3 = mSX - SX + 28 * xstep;
3270   SDL_version sdl_version_compiled;
3271   const SDL_version *sdl_version_linked;
3272   int driver_name_len = 10;
3273 #if defined(TARGET_SDL2)
3274   SDL_version sdl_version_linked_ext;
3275   const char *driver_name = NULL;
3276 #else
3277   char driver_name[driver_name_len];
3278 #endif
3279
3280   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3281
3282   FadeOut(REDRAW_FIELD);
3283
3284   ClearField();
3285   DrawHeadline();
3286
3287   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3288
3289   DrawTextF(xstart1, ystart2, font_header, "Name");
3290   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3291
3292   ystart2 += ystep;
3293   DrawTextF(xstart1, ystart2, font_header, "Version");
3294   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3295
3296   ystart2 += ystep;
3297   DrawTextF(xstart1, ystart2, font_header, "Platform");
3298   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3299
3300   ystart2 += ystep;
3301   DrawTextF(xstart1, ystart2, font_header, "Target");
3302   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3303
3304   ystart2 += ystep;
3305   DrawTextF(xstart1, ystart2, font_header, "Compile time");
3306   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
3307
3308   ystart2 += 3 * ystep;
3309   DrawTextF(xstart1, ystart2, font_header, "Library");
3310   DrawTextF(xstart2, ystart2, font_header, "compiled");
3311   DrawTextF(xstart3, ystart2, font_header, "linked");
3312
3313   SDL_VERSION(&sdl_version_compiled);
3314 #if defined(TARGET_SDL2)
3315   SDL_GetVersion(&sdl_version_linked_ext);
3316   sdl_version_linked = &sdl_version_linked_ext;
3317 #else
3318   sdl_version_linked = SDL_Linked_Version();
3319 #endif
3320
3321   ystart2 += 2 * ystep;
3322   DrawTextF(xstart1, ystart2, font_text, "SDL");
3323   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3324             sdl_version_compiled.major,
3325             sdl_version_compiled.minor,
3326             sdl_version_compiled.patch);
3327   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3328             sdl_version_linked->major,
3329             sdl_version_linked->minor,
3330             sdl_version_linked->patch);
3331
3332   SDL_IMAGE_VERSION(&sdl_version_compiled);
3333   sdl_version_linked = IMG_Linked_Version();
3334
3335   ystart2 += ystep;
3336   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3337   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3338             sdl_version_compiled.major,
3339             sdl_version_compiled.minor,
3340             sdl_version_compiled.patch);
3341   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3342             sdl_version_linked->major,
3343             sdl_version_linked->minor,
3344             sdl_version_linked->patch);
3345
3346   SDL_MIXER_VERSION(&sdl_version_compiled);
3347   sdl_version_linked = Mix_Linked_Version();
3348
3349   ystart2 += ystep;
3350   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3351   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3352             sdl_version_compiled.major,
3353             sdl_version_compiled.minor,
3354             sdl_version_compiled.patch);
3355   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3356             sdl_version_linked->major,
3357             sdl_version_linked->minor,
3358             sdl_version_linked->patch);
3359
3360   SDL_NET_VERSION(&sdl_version_compiled);
3361   sdl_version_linked = SDLNet_Linked_Version();
3362
3363   ystart2 += ystep;
3364   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3365   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3366             sdl_version_compiled.major,
3367             sdl_version_compiled.minor,
3368             sdl_version_compiled.patch);
3369   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3370             sdl_version_linked->major,
3371             sdl_version_linked->minor,
3372             sdl_version_linked->patch);
3373
3374   ystart2 += 3 * ystep;
3375   DrawTextF(xstart1, ystart2, font_header, "Driver");
3376   DrawTextF(xstart2, ystart2, font_header, "Requested");
3377   DrawTextF(xstart3, ystart2, font_header, "Used");
3378
3379 #if defined(TARGET_SDL2)
3380   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3381 #else
3382   SDL_VideoDriverName(driver_name, driver_name_len);
3383 #endif
3384
3385   ystart2 += 2 * ystep;
3386   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3387   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3388   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3389
3390 #if defined(TARGET_SDL2)
3391   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3392 #else
3393   SDL_AudioDriverName(driver_name, driver_name_len);
3394 #endif
3395
3396   ystart2 += ystep;
3397   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3398   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3399   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3400
3401   DrawTextSCentered(ybottom, FONT_TEXT_4,
3402                     "Press any key or button for info menu");
3403
3404   FadeIn(REDRAW_FIELD);
3405 }
3406
3407 void HandleInfoScreen_Version(int button)
3408 {
3409   if (button == MB_MENU_LEAVE)
3410   {
3411     PlaySound(SND_MENU_ITEM_SELECTING);
3412
3413     info_mode = INFO_MODE_MAIN;
3414     DrawInfoScreen();
3415
3416     return;
3417   }
3418   else if (button == MB_MENU_CHOICE)
3419   {
3420     PlaySound(SND_MENU_ITEM_SELECTING);
3421
3422     FadeSoundsAndMusic();
3423
3424     info_mode = INFO_MODE_MAIN;
3425     DrawInfoScreen();
3426   }
3427   else
3428   {
3429     PlayMenuSoundIfLoop();
3430   }
3431 }
3432
3433 void DrawInfoScreen_LevelSet()
3434 {
3435   struct TitleMessageInfo *tmi = &readme;
3436   char *filename = getLevelSetInfoFilename();
3437   char *title = "Level Set Information:";
3438   int ystart1 = mSY - SY + 100;
3439   int ybottom = mSY - SY + SYSIZE - 20;
3440
3441   if (filename == NULL)
3442   {
3443     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3444
3445     return;
3446   }
3447
3448   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3449
3450   FadeOut(REDRAW_FIELD);
3451
3452   ClearField();
3453   DrawHeadline();
3454
3455   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3456
3457   /* if x position set to "-1", automatically determine by playfield width */
3458   if (tmi->x == -1)
3459     tmi->x = SXSIZE / 2;
3460
3461   /* if y position set to "-1", use static default value */
3462   if (tmi->y == -1)
3463     tmi->y = 150;
3464
3465   /* if width set to "-1", automatically determine by playfield width */
3466   if (tmi->width == -1)
3467     tmi->width = SXSIZE - 2 * TILEX;
3468
3469   /* if height set to "-1", automatically determine by playfield height */
3470   if (tmi->height == -1)
3471     tmi->height = SYSIZE - 20 - tmi->y - 10;
3472
3473   /* if chars set to "-1", automatically determine by text and font width */
3474   if (tmi->chars == -1)
3475     tmi->chars = tmi->width / getFontWidth(tmi->font);
3476   else
3477     tmi->width = tmi->chars * getFontWidth(tmi->font);
3478
3479   /* if lines set to "-1", automatically determine by text and font height */
3480   if (tmi->lines == -1)
3481     tmi->lines = tmi->height / getFontHeight(tmi->font);
3482   else
3483     tmi->height = tmi->lines * getFontHeight(tmi->font);
3484
3485   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3486                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3487                tmi->autowrap, tmi->centered, tmi->parse_comments);
3488
3489   DrawTextSCentered(ybottom, FONT_TEXT_4,
3490                     "Press any key or button for info menu");
3491
3492   FadeIn(REDRAW_FIELD);
3493 }
3494
3495 void HandleInfoScreen_LevelSet(int button)
3496 {
3497   if (button == MB_MENU_LEAVE)
3498   {
3499     PlaySound(SND_MENU_ITEM_SELECTING);
3500
3501     info_mode = INFO_MODE_MAIN;
3502     DrawInfoScreen();
3503
3504     return;
3505   }
3506   else if (button == MB_MENU_CHOICE)
3507   {
3508     PlaySound(SND_MENU_ITEM_SELECTING);
3509
3510     FadeSoundsAndMusic();
3511
3512     info_mode = INFO_MODE_MAIN;
3513     DrawInfoScreen();
3514   }
3515   else
3516   {
3517     PlayMenuSoundIfLoop();
3518   }
3519 }
3520
3521 static void DrawInfoScreen()
3522 {
3523   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3524
3525   if (info_mode == INFO_MODE_TITLE)
3526     DrawInfoScreen_TitleScreen();
3527   else if (info_mode == INFO_MODE_ELEMENTS)
3528     DrawInfoScreen_Elements();
3529   else if (info_mode == INFO_MODE_MUSIC)
3530     DrawInfoScreen_Music();
3531   else if (info_mode == INFO_MODE_CREDITS)
3532     DrawInfoScreen_Credits();
3533   else if (info_mode == INFO_MODE_PROGRAM)
3534     DrawInfoScreen_Program();
3535   else if (info_mode == INFO_MODE_VERSION)
3536     DrawInfoScreen_Version();
3537   else if (info_mode == INFO_MODE_LEVELSET)
3538     DrawInfoScreen_LevelSet();
3539   else
3540     DrawInfoScreen_Main();
3541
3542   if (info_mode != INFO_MODE_MAIN &&
3543       info_mode != INFO_MODE_TITLE &&
3544       info_mode != INFO_MODE_MUSIC)
3545   {
3546     PlayMenuSound();
3547     PlayMenuMusic();
3548   }
3549 }
3550
3551 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3552 {
3553   if (info_mode == INFO_MODE_TITLE)
3554     HandleInfoScreen_TitleScreen(button);
3555   else if (info_mode == INFO_MODE_ELEMENTS)
3556     HandleInfoScreen_Elements(button);
3557   else if (info_mode == INFO_MODE_MUSIC)
3558     HandleInfoScreen_Music(button);
3559   else if (info_mode == INFO_MODE_CREDITS)
3560     HandleInfoScreen_Credits(button);
3561   else if (info_mode == INFO_MODE_PROGRAM)
3562     HandleInfoScreen_Program(button);
3563   else if (info_mode == INFO_MODE_VERSION)
3564     HandleInfoScreen_Version(button);
3565   else if (info_mode == INFO_MODE_LEVELSET)
3566     HandleInfoScreen_LevelSet(button);
3567   else
3568     HandleInfoScreen_Main(mx, my, dx, dy, button);
3569 }
3570
3571
3572 /* ========================================================================= */
3573 /* type name functions                                                       */
3574 /* ========================================================================= */
3575
3576 void HandleTypeName(int newxpos, Key key)
3577 {
3578   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3579   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3580   struct TextPosInfo *pos = mci->pos_input;
3581   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3582   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3583   static int xpos = 0;
3584   int font_nr = pos->font;
3585   int font_active_nr = FONT_ACTIVE(font_nr);
3586   int font_width = getFontWidth(font_active_nr);
3587   char key_char = getValidConfigValueChar(getCharFromKey(key));
3588   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3589   boolean is_active = TRUE;
3590
3591   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3592
3593   if (newxpos)
3594   {
3595     strcpy(last_player_name, setup.player_name);
3596
3597     xpos = newxpos;
3598
3599 #if defined(TARGET_SDL2)
3600     SDL_StartTextInput();
3601 #endif
3602   }
3603   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3604   {
3605     setup.player_name[xpos] = key_char;
3606     setup.player_name[xpos + 1] = 0;
3607
3608     xpos++;
3609   }
3610   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3611   {
3612     xpos--;
3613
3614     setup.player_name[xpos] = 0;
3615   }
3616   else if (key == KSYM_Return && xpos > 0)
3617   {
3618     SaveSetup();
3619
3620     is_active = FALSE;
3621
3622     SetGameStatus(GAME_MODE_MAIN);
3623   }
3624   else if (key == KSYM_Escape)
3625   {
3626     strcpy(setup.player_name, last_player_name);
3627
3628     is_active = FALSE;
3629
3630     SetGameStatus(GAME_MODE_MAIN);
3631   }
3632
3633   if (is_active)
3634   {
3635     pos->width = (strlen(setup.player_name) + 1) * font_width;
3636     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3637
3638     DrawText(startx, starty, setup.player_name, font_active_nr);
3639     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3640   }
3641   else
3642   {
3643     pos->width = strlen(setup.player_name) * font_width;
3644     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3645
3646     DrawText(startx, starty, setup.player_name, font_nr);
3647
3648 #if defined(TARGET_SDL2)
3649     SDL_StopTextInput();
3650 #endif
3651   }
3652 }
3653
3654
3655 /* ========================================================================= */
3656 /* tree menu functions                                                       */
3657 /* ========================================================================= */
3658
3659 static void DrawChooseTree(TreeInfo **ti_ptr)
3660 {
3661   int fade_mask = REDRAW_FIELD;
3662
3663   if (CheckIfGlobalBorderHasChanged())
3664     fade_mask = REDRAW_ALL;
3665
3666   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3667   {
3668     SetGameStatus(GAME_MODE_MAIN);
3669
3670     DrawMainMenu();
3671
3672     return;
3673   }
3674
3675   UnmapAllGadgets();
3676
3677   FreeScreenGadgets();
3678   CreateScreenGadgets();
3679
3680   FadeOut(fade_mask);
3681
3682   ClearField();
3683
3684   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3685
3686   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3687   MapScreenTreeGadgets(*ti_ptr);
3688
3689   DrawMaskedBorder(fade_mask);
3690
3691   FadeIn(fade_mask);
3692
3693   InitAnimation();
3694 }
3695
3696 static void drawChooseTreeList(int first_entry, int num_page_entries,
3697                                TreeInfo *ti)
3698 {
3699   int i;
3700   char *title_string = NULL;
3701   int yoffset_sets = MENU_TITLE1_YPOS;
3702   int yoffset_setup = 16;
3703   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3704                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3705
3706   title_string = ti->infotext;
3707
3708   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3709
3710   clearMenuListArea();
3711
3712   for (i = 0; i < num_page_entries; i++)
3713   {
3714     TreeInfo *node, *node_first;
3715     int entry_pos = first_entry + i;
3716     int xpos = MENU_SCREEN_START_XPOS;
3717     int ypos = MENU_SCREEN_START_YPOS + i;
3718     int startx = mSX + xpos * 32;
3719     int starty = mSY + ypos * 32;
3720     int font_nr = FONT_TEXT_1;
3721     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3722     int startx_text = startx + font_xoffset;
3723     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3724     int text_size = startx_scrollbar - startx_text;
3725     int max_buffer_len = text_size / getFontWidth(font_nr);
3726     char buffer[max_buffer_len + 1];
3727
3728     node_first = getTreeInfoFirstGroupEntry(ti);
3729     node = getTreeInfoFromPos(node_first, entry_pos);
3730
3731     strncpy(buffer, node->name, max_buffer_len);
3732     buffer[max_buffer_len] = '\0';
3733
3734     DrawText(startx, starty, buffer, font_nr + node->color);
3735
3736     if (node->parent_link)
3737       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3738     else if (node->level_group)
3739       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3740     else
3741       initCursor(i, IMG_MENU_BUTTON);
3742   }
3743
3744   redraw_mask |= REDRAW_FIELD;
3745 }
3746
3747 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3748 {
3749   TreeInfo *node, *node_first;
3750   int x, last_redraw_mask = redraw_mask;
3751   int ypos = MENU_TITLE2_YPOS;
3752   int font_nr = FONT_TITLE_2;
3753
3754   if (ti->type == TREE_TYPE_LEVEL_NR)
3755     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3756
3757   if (ti->type != TREE_TYPE_LEVEL_DIR)
3758     return;
3759
3760   node_first = getTreeInfoFirstGroupEntry(ti);
3761   node = getTreeInfoFromPos(node_first, entry_pos);
3762
3763   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3764
3765   if (node->parent_link)
3766     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3767                       node->node_parent->name);
3768   else if (node->level_group)
3769     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3770                       node->name);
3771   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3772     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3773                       node->levels, (node->levels > 1 ? "levels" : "level"),
3774                       node->class_desc);
3775
3776   /* let BackToFront() redraw only what is needed */
3777   redraw_mask = last_redraw_mask;
3778   for (x = 0; x < SCR_FIELDX; x++)
3779     MarkTileDirty(x, 1);
3780 }
3781
3782 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3783                              TreeInfo **ti_ptr)
3784 {
3785   TreeInfo *ti = *ti_ptr;
3786   int x = 0;
3787   int y = ti->cl_cursor;
3788   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3789   int num_entries = numTreeInfoInGroup(ti);
3790   int num_page_entries;
3791   boolean position_set_by_scrollbar = (dx == 999);
3792
3793   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3794     num_page_entries = num_entries;
3795   else
3796     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3797
3798   if (button == MB_MENU_INITIALIZE)
3799   {
3800     int num_entries = numTreeInfoInGroup(ti);
3801     int entry_pos = posTreeInfo(ti);
3802
3803     if (ti->cl_first == -1)
3804     {
3805       /* only on initialization */
3806       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3807       ti->cl_cursor = entry_pos - ti->cl_first;
3808     }
3809     else if (ti->cl_cursor >= num_page_entries ||
3810              (num_entries > num_page_entries &&
3811               num_entries - ti->cl_first < num_page_entries))
3812     {
3813       /* only after change of list size (by custom graphic configuration) */
3814       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3815       ti->cl_cursor = entry_pos - ti->cl_first;
3816     }
3817
3818     if (position_set_by_scrollbar)
3819       ti->cl_first = dy;
3820     else
3821       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3822                                 ti->cl_first, ti);
3823
3824     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3825     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3826     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3827
3828     return;
3829   }
3830   else if (button == MB_MENU_LEAVE)
3831   {
3832     FadeSetLeaveMenu();
3833
3834     PlaySound(SND_MENU_ITEM_SELECTING);
3835
3836     if (ti->node_parent)
3837     {
3838       *ti_ptr = ti->node_parent;
3839       DrawChooseTree(ti_ptr);
3840     }
3841     else if (game_status == GAME_MODE_SETUP)
3842     {
3843       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3844           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3845           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3846         execSetupGame();
3847       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3848                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
3849                setup_mode == SETUP_MODE_CHOOSE_RENDERING)
3850         execSetupGraphics();
3851       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3852                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3853                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3854         execSetupSound();
3855       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3856                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3857                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3858         execSetupTouch();
3859       else
3860         execSetupArtwork();
3861     }
3862     else
3863     {
3864       if (game_status == GAME_MODE_LEVELNR)
3865       {
3866         int new_level_nr = atoi(level_number_current->identifier);
3867
3868         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3869       }
3870
3871       SetGameStatus(GAME_MODE_MAIN);
3872
3873       DrawMainMenu();
3874     }
3875
3876     return;
3877   }
3878
3879   if (mx || my)         /* mouse input */
3880   {
3881     x = (mx - mSX) / 32;
3882     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3883   }
3884   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3885   {
3886     /* move cursor instead of scrolling when already at start/end of list */
3887     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3888       dy = -1;
3889     else if (dy == +1 * SCROLL_LINE &&
3890              ti->cl_first + num_page_entries == num_entries)
3891       dy = 1;
3892
3893     /* handle scrolling screen one line or page */
3894     if (ti->cl_cursor + dy < 0 ||
3895         ti->cl_cursor + dy > num_page_entries - 1)
3896     {
3897       boolean redraw = FALSE;
3898
3899       if (ABS(dy) == SCROLL_PAGE)
3900         step = num_page_entries - 1;
3901
3902       if (dy < 0 && ti->cl_first > 0)
3903       {
3904         /* scroll page/line up */
3905
3906         ti->cl_first -= step;
3907         if (ti->cl_first < 0)
3908           ti->cl_first = 0;
3909
3910         redraw = TRUE;
3911       }
3912       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3913       {
3914         /* scroll page/line down */
3915
3916         ti->cl_first += step;
3917         if (ti->cl_first + num_page_entries > num_entries)
3918           ti->cl_first = MAX(0, num_entries - num_page_entries);
3919
3920         redraw = TRUE;
3921       }
3922
3923       if (redraw)
3924       {
3925         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3926         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3927         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3928
3929         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3930                                   ti->cl_first, ti);
3931       }
3932
3933       return;
3934     }
3935
3936     /* handle moving cursor one line */
3937     y = ti->cl_cursor + dy;
3938   }
3939
3940   if (dx == 1)
3941   {
3942     TreeInfo *node_first, *node_cursor;
3943     int entry_pos = ti->cl_first + y;
3944
3945     node_first = getTreeInfoFirstGroupEntry(ti);
3946     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3947
3948     if (node_cursor->node_group)
3949     {
3950       FadeSetEnterMenu();
3951
3952       PlaySound(SND_MENU_ITEM_SELECTING);
3953
3954       node_cursor->cl_first = ti->cl_first;
3955       node_cursor->cl_cursor = ti->cl_cursor;
3956       *ti_ptr = node_cursor->node_group;
3957       DrawChooseTree(ti_ptr);
3958
3959       return;
3960     }
3961   }
3962   else if (dx == -1 && ti->node_parent)
3963   {
3964     FadeSetLeaveMenu();
3965
3966     PlaySound(SND_MENU_ITEM_SELECTING);
3967
3968     *ti_ptr = ti->node_parent;
3969     DrawChooseTree(ti_ptr);
3970
3971     return;
3972   }
3973
3974   if (!anyScrollbarGadgetActive() &&
3975       IN_VIS_MENU(x, y) &&
3976       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3977       y >= 0 && y < num_page_entries)
3978   {
3979     if (button)
3980     {
3981       if (y != ti->cl_cursor)
3982       {
3983         PlaySound(SND_MENU_ITEM_ACTIVATING);
3984
3985         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3986         drawChooseTreeCursor(y, TRUE);
3987         drawChooseTreeInfo(ti->cl_first + y, ti);
3988
3989         ti->cl_cursor = y;
3990       }
3991     }
3992     else
3993     {
3994       TreeInfo *node_first, *node_cursor;
3995       int entry_pos = ti->cl_first + y;
3996
3997       PlaySound(SND_MENU_ITEM_SELECTING);
3998
3999       node_first = getTreeInfoFirstGroupEntry(ti);
4000       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4001
4002       if (node_cursor->node_group)
4003       {
4004         FadeSetEnterMenu();
4005
4006         node_cursor->cl_first = ti->cl_first;
4007         node_cursor->cl_cursor = ti->cl_cursor;
4008         *ti_ptr = node_cursor->node_group;
4009         DrawChooseTree(ti_ptr);
4010       }
4011       else if (node_cursor->parent_link)
4012       {
4013         FadeSetLeaveMenu();
4014
4015         *ti_ptr = node_cursor->node_parent;
4016         DrawChooseTree(ti_ptr);
4017       }
4018       else
4019       {
4020         FadeSetEnterMenu();
4021
4022         node_cursor->cl_first = ti->cl_first;
4023         node_cursor->cl_cursor = ti->cl_cursor;
4024         *ti_ptr = node_cursor;
4025
4026         if (ti->type == TREE_TYPE_LEVEL_DIR)
4027         {
4028           LoadLevelSetup_SeriesInfo();
4029
4030           SaveLevelSetup_LastSeries();
4031           SaveLevelSetup_SeriesInfo();
4032           TapeErase();
4033         }
4034
4035         if (game_status == GAME_MODE_SETUP)
4036         {
4037           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4038               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4039               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4040             execSetupGame();
4041           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4042                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4043                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4044             execSetupGraphics();
4045           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4046                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4047                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4048             execSetupSound();
4049           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4050                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4051                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4052             execSetupTouch();
4053           else
4054             execSetupArtwork();
4055         }
4056         else
4057         {
4058           if (game_status == GAME_MODE_LEVELNR)
4059           {
4060             int new_level_nr = atoi(level_number_current->identifier);
4061
4062             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4063           }
4064
4065           SetGameStatus(GAME_MODE_MAIN);
4066
4067           DrawMainMenu();
4068         }
4069       }
4070     }
4071   }
4072 }
4073
4074 void DrawChooseLevelSet()
4075 {
4076   FadeSoundsAndMusic();
4077
4078   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4079
4080   DrawChooseTree(&leveldir_current);
4081
4082   PlayMenuSound();
4083   PlayMenuMusic();
4084 }
4085
4086 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4087 {
4088   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4089 }
4090
4091 void DrawChooseLevelNr()
4092 {
4093   int i;
4094
4095   FadeSoundsAndMusic();
4096
4097   if (level_number != NULL)
4098   {
4099     freeTreeInfo(level_number);
4100
4101     level_number = NULL;
4102   }
4103
4104   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4105   {
4106     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4107     char identifier[32], name[32];
4108     int value = i;
4109
4110     /* temporarily load level info to get level name */
4111     LoadLevelInfoOnly(i);
4112
4113     ti->node_top = &level_number;
4114     ti->sort_priority = 10000 + value;
4115     ti->color = (level.no_valid_file ? FC_BLUE :
4116                  LevelStats_getSolved(i) ? FC_GREEN :
4117                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4118
4119     sprintf(identifier, "%d", value);
4120     sprintf(name, "%03d: %s", value,
4121             (level.no_valid_file ? "(no file)" : level.name));
4122
4123     setString(&ti->identifier, identifier);
4124     setString(&ti->name, name);
4125     setString(&ti->name_sorting, name);
4126
4127     pushTreeInfo(&level_number, ti);
4128   }
4129
4130   /* sort level number values to start with lowest level number */
4131   sortTreeInfo(&level_number);
4132
4133   /* set current level number to current level number */
4134   level_number_current =
4135     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4136
4137   /* if that also fails, set current level number to first available level */
4138   if (level_number_current == NULL)
4139     level_number_current = level_number;
4140
4141   SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4142
4143   DrawChooseTree(&level_number_current);
4144
4145   PlayMenuSound();
4146   PlayMenuMusic();
4147 }
4148
4149 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4150 {
4151   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4152 }
4153
4154 void DrawHallOfFame(int highlight_position)
4155 {
4156   int fade_mask = REDRAW_FIELD;
4157
4158   /* needed if different viewport properties defined for scores */
4159   ChangeViewportPropertiesIfNeeded();
4160
4161   if (CheckIfGlobalBorderHasChanged())
4162     fade_mask = REDRAW_ALL;
4163
4164   UnmapAllGadgets();
4165   FadeSoundsAndMusic();
4166
4167   /* (this is needed when called from GameEnd() after winning a game) */
4168   KeyboardAutoRepeatOn();
4169   ActivateJoystick();
4170
4171   /* (this is needed when called from GameEnd() after winning a game) */
4172   SetDrawDeactivationMask(REDRAW_NONE);
4173   SetDrawBackgroundMask(REDRAW_FIELD);
4174
4175   if (highlight_position < 0)
4176     LoadScore(level_nr);
4177
4178   FadeSetEnterScreen();
4179
4180   FadeOut(fade_mask);
4181
4182   InitAnimation();
4183
4184   PlayMenuSound();
4185   PlayMenuMusic();
4186
4187   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4188
4189   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4190
4191   DrawMaskedBorder(fade_mask);
4192
4193   FadeIn(fade_mask);
4194 }
4195
4196 static void drawHallOfFameList(int first_entry, int highlight_position)
4197 {
4198   int i, j;
4199
4200   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4201   ClearField();
4202
4203   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4204   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4205                     "HighScores of Level %d", level_nr);
4206
4207   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4208   {
4209     int entry = first_entry + i;
4210     boolean active = (entry == highlight_position);
4211     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4212     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4213     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4214     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4215     int dx1 = 3 * getFontWidth(font_nr1);
4216     int dx2 = dx1 + getFontWidth(font_nr1);
4217     int dx3 = SXSIZE - 2 * (mSX - SX) - 5 * getFontWidth(font_nr4);
4218     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4219     int sy = mSY + 64 + i * 32;
4220
4221     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4222     DrawText(mSX + dx1, sy, ".", font_nr1);
4223
4224     for (j = 0; j < num_dots; j++)
4225       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4226
4227     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4228       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4229
4230     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4231   }
4232
4233   redraw_mask |= REDRAW_FIELD;
4234 }
4235
4236 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4237 {
4238   static int first_entry = 0;
4239   static int highlight_position = 0;
4240   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4241
4242   if (button == MB_MENU_INITIALIZE)
4243   {
4244     first_entry = 0;
4245     highlight_position = mx;
4246     drawHallOfFameList(first_entry, highlight_position);
4247
4248     return;
4249   }
4250
4251   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4252     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4253
4254   if (dy < 0)
4255   {
4256     if (first_entry > 0)
4257     {
4258       first_entry -= step;
4259       if (first_entry < 0)
4260         first_entry = 0;
4261
4262       drawHallOfFameList(first_entry, highlight_position);
4263     }
4264   }
4265   else if (dy > 0)
4266   {
4267     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4268     {
4269       first_entry += step;
4270       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4271         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4272
4273       drawHallOfFameList(first_entry, highlight_position);
4274     }
4275   }
4276   else if (button == MB_MENU_LEAVE)
4277   {
4278     PlaySound(SND_MENU_ITEM_SELECTING);
4279
4280     FadeSound(SND_BACKGROUND_SCORES);
4281
4282     SetGameStatus(GAME_MODE_MAIN);
4283
4284     DrawMainMenu();
4285   }
4286   else if (button == MB_MENU_CHOICE)
4287   {
4288     PlaySound(SND_MENU_ITEM_SELECTING);
4289
4290     FadeSound(SND_BACKGROUND_SCORES);
4291
4292     SetGameStatus(GAME_MODE_MAIN);
4293
4294     DrawMainMenu();
4295   }
4296
4297   if (game_status == GAME_MODE_SCORES)
4298     PlayMenuSoundIfLoop();
4299 }
4300
4301
4302 /* ========================================================================= */
4303 /* setup screen functions                                                    */
4304 /* ========================================================================= */
4305
4306 static struct TokenInfo *setup_info;
4307 static int num_setup_info;      /* number of setup entries shown on screen */
4308 static int max_setup_info;      /* total number of setup entries in list */
4309
4310 static char *window_size_text;
4311 static char *scaling_type_text;
4312 static char *rendering_mode_text;
4313 static char *scroll_delay_text;
4314 static char *snapshot_mode_text;
4315 static char *game_speed_text;
4316 static char *graphics_set_name;
4317 static char *sounds_set_name;
4318 static char *music_set_name;
4319 static char *volume_simple_text;
4320 static char *volume_loops_text;
4321 static char *volume_music_text;
4322 static char *touch_controls_text;
4323 static char *move_distance_text;
4324 static char *drop_distance_text;
4325
4326 static void execSetupMain()
4327 {
4328   setup_mode = SETUP_MODE_MAIN;
4329
4330   DrawSetupScreen();
4331 }
4332
4333 static void execSetupGame_setGameSpeeds()
4334 {
4335   if (game_speeds == NULL)
4336   {
4337     int i;
4338
4339     for (i = 0; game_speeds_list[i].value != -1; i++)
4340     {
4341       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4342       char identifier[32], name[32];
4343       int value = game_speeds_list[i].value;
4344       char *text = game_speeds_list[i].text;
4345
4346       ti->node_top = &game_speeds;
4347       ti->sort_priority = 10000 - value;
4348
4349       sprintf(identifier, "%d", value);
4350       sprintf(name, "%s", text);
4351
4352       setString(&ti->identifier, identifier);
4353       setString(&ti->name, name);
4354       setString(&ti->name_sorting, name);
4355       setString(&ti->infotext, "Game Speed");
4356
4357       pushTreeInfo(&game_speeds, ti);
4358     }
4359
4360     /* sort game speed values to start with slowest game speed */
4361     sortTreeInfo(&game_speeds);
4362
4363     /* set current game speed to configured game speed value */
4364     game_speed_current =
4365       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4366
4367     /* if that fails, set current game speed to reliable default value */
4368     if (game_speed_current == NULL)
4369       game_speed_current =
4370         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4371
4372     /* if that also fails, set current game speed to first available speed */
4373     if (game_speed_current == NULL)
4374       game_speed_current = game_speeds;
4375   }
4376
4377   setup.game_frame_delay = atoi(game_speed_current->identifier);
4378
4379   /* needed for displaying game speed text instead of identifier */
4380   game_speed_text = game_speed_current->name;
4381 }
4382
4383 static void execSetupGame_setScrollDelays()
4384 {
4385   if (scroll_delays == NULL)
4386   {
4387     int i;
4388
4389     for (i = 0; scroll_delays_list[i].value != -1; i++)
4390     {
4391       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4392       char identifier[32], name[32];
4393       int value = scroll_delays_list[i].value;
4394       char *text = scroll_delays_list[i].text;
4395
4396       ti->node_top = &scroll_delays;
4397       ti->sort_priority = value;
4398
4399       sprintf(identifier, "%d", value);
4400       sprintf(name, "%s", text);
4401
4402       setString(&ti->identifier, identifier);
4403       setString(&ti->name, name);
4404       setString(&ti->name_sorting, name);
4405       setString(&ti->infotext, "Scroll Delay");
4406
4407       pushTreeInfo(&scroll_delays, ti);
4408     }
4409
4410     /* sort scroll delay values to start with lowest scroll delay value */
4411     sortTreeInfo(&scroll_delays);
4412
4413     /* set current scroll delay value to configured scroll delay value */
4414     scroll_delay_current =
4415       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4416
4417     /* if that fails, set current scroll delay to reliable default value */
4418     if (scroll_delay_current == NULL)
4419       scroll_delay_current =
4420         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4421
4422     /* if that also fails, set current scroll delay to first available value */
4423     if (scroll_delay_current == NULL)
4424       scroll_delay_current = scroll_delays;
4425   }
4426
4427   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4428
4429   /* needed for displaying scroll delay text instead of identifier */
4430   scroll_delay_text = scroll_delay_current->name;
4431 }
4432
4433 static void execSetupGame_setSnapshotModes()
4434 {
4435   if (snapshot_modes == NULL)
4436   {
4437     int i;
4438
4439     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4440     {
4441       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4442       char identifier[32], name[32];
4443       char *value = snapshot_modes_list[i].value;
4444       char *text = snapshot_modes_list[i].text;
4445
4446       ti->node_top = &snapshot_modes;
4447       ti->sort_priority = i;
4448
4449       sprintf(identifier, "%s", value);
4450       sprintf(name, "%s", text);
4451
4452       setString(&ti->identifier, identifier);
4453       setString(&ti->name, name);
4454       setString(&ti->name_sorting, name);
4455       setString(&ti->infotext, "Snapshot Mode");
4456
4457       pushTreeInfo(&snapshot_modes, ti);
4458     }
4459
4460     /* sort snapshot mode values to start with lowest snapshot mode value */
4461     sortTreeInfo(&snapshot_modes);
4462
4463     /* set current snapshot mode value to configured snapshot mode value */
4464     snapshot_mode_current =
4465       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4466
4467     /* if that fails, set current snapshot mode to reliable default value */
4468     if (snapshot_mode_current == NULL)
4469       snapshot_mode_current =
4470         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4471
4472     /* if that also fails, set current snapshot mode to first available value */
4473     if (snapshot_mode_current == NULL)
4474       snapshot_mode_current = snapshot_modes;
4475   }
4476
4477   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4478
4479   /* needed for displaying snapshot mode text instead of identifier */
4480   snapshot_mode_text = snapshot_mode_current->name;
4481 }
4482
4483 static void execSetupGame()
4484 {
4485   execSetupGame_setGameSpeeds();
4486   execSetupGame_setScrollDelays();
4487   execSetupGame_setSnapshotModes();
4488
4489   setup_mode = SETUP_MODE_GAME;
4490
4491   DrawSetupScreen();
4492 }
4493
4494 static void execSetupChooseGameSpeed()
4495 {
4496   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4497
4498   DrawSetupScreen();
4499 }
4500
4501 static void execSetupChooseScrollDelay()
4502 {
4503   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4504
4505   DrawSetupScreen();
4506 }
4507
4508 static void execSetupChooseSnapshotMode()
4509 {
4510   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4511
4512   DrawSetupScreen();
4513 }
4514
4515 static void execSetupEditor()
4516 {
4517   setup_mode = SETUP_MODE_EDITOR;
4518
4519   DrawSetupScreen();
4520 }
4521
4522 static void execSetupGraphics_setWindowSizes(boolean update_list)
4523 {
4524   if (window_sizes != NULL && update_list)
4525   {
4526     freeTreeInfo(window_sizes);
4527
4528     window_sizes = NULL;
4529   }
4530
4531   if (window_sizes == NULL)
4532   {
4533     boolean current_window_size_found = FALSE;
4534     int i;
4535
4536     for (i = 0; window_sizes_list[i].value != -1; i++)
4537     {
4538       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4539       char identifier[32], name[32];
4540       int value = window_sizes_list[i].value;
4541       char *text = window_sizes_list[i].text;
4542
4543       ti->node_top = &window_sizes;
4544       ti->sort_priority = value;
4545
4546       sprintf(identifier, "%d", value);
4547       sprintf(name, "%s", text);
4548
4549       setString(&ti->identifier, identifier);
4550       setString(&ti->name, name);
4551       setString(&ti->name_sorting, name);
4552       setString(&ti->infotext, "Window Scaling");
4553
4554       pushTreeInfo(&window_sizes, ti);
4555
4556       if (value == setup.window_scaling_percent)
4557         current_window_size_found = TRUE;
4558     }
4559
4560     if (!current_window_size_found)
4561     {
4562       // add entry for non-preset window scaling value
4563
4564       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4565       char identifier[32], name[32];
4566       int value = setup.window_scaling_percent;
4567
4568       ti->node_top = &window_sizes;
4569       ti->sort_priority = value;
4570
4571       sprintf(identifier, "%d", value);
4572       sprintf(name, "%d %% (Current)", value);
4573
4574       setString(&ti->identifier, identifier);
4575       setString(&ti->name, name);
4576       setString(&ti->name_sorting, name);
4577       setString(&ti->infotext, "Window Scaling");
4578
4579       pushTreeInfo(&window_sizes, ti);
4580     }
4581
4582     /* sort window size values to start with lowest window size value */
4583     sortTreeInfo(&window_sizes);
4584
4585     /* set current window size value to configured window size value */
4586     window_size_current =
4587       getTreeInfoFromIdentifier(window_sizes,
4588                                 i_to_a(setup.window_scaling_percent));
4589
4590     /* if that fails, set current window size to reliable default value */
4591     if (window_size_current == NULL)
4592       window_size_current =
4593         getTreeInfoFromIdentifier(window_sizes,
4594                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4595
4596     /* if that also fails, set current window size to first available value */
4597     if (window_size_current == NULL)
4598       window_size_current = window_sizes;
4599   }
4600
4601   setup.window_scaling_percent = atoi(window_size_current->identifier);
4602
4603   /* needed for displaying window size text instead of identifier */
4604   window_size_text = window_size_current->name;
4605 }
4606
4607 static void execSetupGraphics_setScalingTypes()
4608 {
4609   if (scaling_types == NULL)
4610   {
4611     int i;
4612
4613     for (i = 0; scaling_types_list[i].value != NULL; i++)
4614     {
4615       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4616       char identifier[32], name[32];
4617       char *value = scaling_types_list[i].value;
4618       char *text = scaling_types_list[i].text;
4619
4620       ti->node_top = &scaling_types;
4621       ti->sort_priority = i;
4622
4623       sprintf(identifier, "%s", value);
4624       sprintf(name, "%s", text);
4625
4626       setString(&ti->identifier, identifier);
4627       setString(&ti->name, name);
4628       setString(&ti->name_sorting, name);
4629       setString(&ti->infotext, "Anti-Aliasing");
4630
4631       pushTreeInfo(&scaling_types, ti);
4632     }
4633
4634     /* sort scaling type values to start with lowest scaling type value */
4635     sortTreeInfo(&scaling_types);
4636
4637     /* set current scaling type value to configured scaling type value */
4638     scaling_type_current =
4639       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4640
4641     /* if that fails, set current scaling type to reliable default value */
4642     if (scaling_type_current == NULL)
4643       scaling_type_current =
4644         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4645
4646     /* if that also fails, set current scaling type to first available value */
4647     if (scaling_type_current == NULL)
4648       scaling_type_current = scaling_types;
4649   }
4650
4651   setup.window_scaling_quality = scaling_type_current->identifier;
4652
4653   /* needed for displaying scaling type text instead of identifier */
4654   scaling_type_text = scaling_type_current->name;
4655 }
4656
4657 static void execSetupGraphics_setRenderingModes()
4658 {
4659   if (rendering_modes == NULL)
4660   {
4661     int i;
4662
4663     for (i = 0; rendering_modes_list[i].value != NULL; i++)
4664     {
4665       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4666       char identifier[32], name[32];
4667       char *value = rendering_modes_list[i].value;
4668       char *text = rendering_modes_list[i].text;
4669
4670       ti->node_top = &rendering_modes;
4671       ti->sort_priority = i;
4672
4673       sprintf(identifier, "%s", value);
4674       sprintf(name, "%s", text);
4675
4676       setString(&ti->identifier, identifier);
4677       setString(&ti->name, name);
4678       setString(&ti->name_sorting, name);
4679       setString(&ti->infotext, "Special Rendering");
4680
4681       pushTreeInfo(&rendering_modes, ti);
4682     }
4683
4684     /* sort rendering mode values to start with lowest rendering mode value */
4685     sortTreeInfo(&rendering_modes);
4686
4687     /* set current rendering mode value to configured rendering mode value */
4688     rendering_mode_current =
4689       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
4690
4691     /* if that fails, set current rendering mode to reliable default value */
4692     if (rendering_mode_current == NULL)
4693       rendering_mode_current =
4694         getTreeInfoFromIdentifier(rendering_modes,
4695                                   STR_SPECIAL_RENDERING_DEFAULT);
4696
4697     /* if that also fails, set current rendering mode to first available one */
4698     if (rendering_mode_current == NULL)
4699       rendering_mode_current = rendering_modes;
4700   }
4701
4702   setup.screen_rendering_mode = rendering_mode_current->identifier;
4703
4704   /* needed for displaying rendering mode text instead of identifier */
4705   rendering_mode_text = rendering_mode_current->name;
4706 }
4707
4708 static void execSetupGraphics()
4709 {
4710   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4711   {
4712     // update "setup.window_scaling_percent" from list selection
4713     execSetupGraphics_setWindowSizes(FALSE);
4714   }
4715   else
4716   {
4717     // update list selection from "setup.window_scaling_percent"
4718     execSetupGraphics_setWindowSizes(TRUE);
4719   }
4720
4721   execSetupGraphics_setScalingTypes();
4722   execSetupGraphics_setRenderingModes();
4723
4724   setup_mode = SETUP_MODE_GRAPHICS;
4725
4726   DrawSetupScreen();
4727
4728 #if defined(TARGET_SDL2)
4729   // window scaling may have changed at this point
4730   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4731
4732   // window scaling quality may have changed at this point
4733   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4734     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4735
4736   // screen rendering mode may have changed at this point
4737   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
4738 #endif
4739 }
4740
4741 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
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
4756 static void execSetupChooseRenderingMode()
4757 {
4758   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
4759
4760   DrawSetupScreen();
4761 }
4762 #endif
4763
4764 static void execSetupChooseVolumeSimple()
4765 {
4766   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4767
4768   DrawSetupScreen();
4769 }
4770
4771 static void execSetupChooseVolumeLoops()
4772 {
4773   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4774
4775   DrawSetupScreen();
4776 }
4777
4778 static void execSetupChooseVolumeMusic()
4779 {
4780   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4781
4782   DrawSetupScreen();
4783 }
4784
4785 static void execSetupSound()
4786 {
4787   if (volumes_simple == NULL)
4788   {
4789     boolean current_volume_simple_found = FALSE;
4790     int i;
4791
4792     for (i = 0; volumes_list[i].value != -1; i++)
4793     {
4794       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4795       char identifier[32], name[32];
4796       int value = volumes_list[i].value;
4797       char *text = volumes_list[i].text;
4798
4799       ti->node_top = &volumes_simple;
4800       ti->sort_priority = value;
4801
4802       sprintf(identifier, "%d", value);
4803       sprintf(name, "%s", text);
4804
4805       setString(&ti->identifier, identifier);
4806       setString(&ti->name, name);
4807       setString(&ti->name_sorting, name);
4808       setString(&ti->infotext, "Sound Volume");
4809
4810       pushTreeInfo(&volumes_simple, ti);
4811
4812       if (value == setup.volume_simple)
4813         current_volume_simple_found = TRUE;
4814     }
4815
4816     if (!current_volume_simple_found)
4817     {
4818       // add entry for non-preset volume value
4819
4820       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4821       char identifier[32], name[32];
4822       int value = setup.volume_simple;
4823
4824       ti->node_top = &volumes_simple;
4825       ti->sort_priority = value;
4826
4827       sprintf(identifier, "%d", value);
4828       sprintf(name, "%d %% (Current)", value);
4829
4830       setString(&ti->identifier, identifier);
4831       setString(&ti->name, name);
4832       setString(&ti->name_sorting, name);
4833       setString(&ti->infotext, "Sound Volume");
4834
4835       pushTreeInfo(&volumes_simple, ti);
4836     }
4837
4838     /* sort volume values to start with lowest volume value */
4839     sortTreeInfo(&volumes_simple);
4840
4841     /* set current volume value to configured volume value */
4842     volume_simple_current =
4843       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4844
4845     /* if that fails, set current volume to reliable default value */
4846     if (volume_simple_current == NULL)
4847       volume_simple_current =
4848         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4849
4850     /* if that also fails, set current volume to first available value */
4851     if (volume_simple_current == NULL)
4852       volume_simple_current = volumes_simple;
4853   }
4854
4855   if (volumes_loops == NULL)
4856   {
4857     boolean current_volume_loops_found = FALSE;
4858     int i;
4859
4860     for (i = 0; volumes_list[i].value != -1; i++)
4861     {
4862       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4863       char identifier[32], name[32];
4864       int value = volumes_list[i].value;
4865       char *text = volumes_list[i].text;
4866
4867       ti->node_top = &volumes_loops;
4868       ti->sort_priority = value;
4869
4870       sprintf(identifier, "%d", value);
4871       sprintf(name, "%s", text);
4872
4873       setString(&ti->identifier, identifier);
4874       setString(&ti->name, name);
4875       setString(&ti->name_sorting, name);
4876       setString(&ti->infotext, "Loops Volume");
4877
4878       pushTreeInfo(&volumes_loops, ti);
4879
4880       if (value == setup.volume_loops)
4881         current_volume_loops_found = TRUE;
4882     }
4883
4884     if (!current_volume_loops_found)
4885     {
4886       // add entry for non-preset volume value
4887
4888       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4889       char identifier[32], name[32];
4890       int value = setup.volume_loops;
4891
4892       ti->node_top = &volumes_loops;
4893       ti->sort_priority = value;
4894
4895       sprintf(identifier, "%d", value);
4896       sprintf(name, "%d %% (Current)", value);
4897
4898       setString(&ti->identifier, identifier);
4899       setString(&ti->name, name);
4900       setString(&ti->name_sorting, name);
4901       setString(&ti->infotext, "Loops Volume");
4902
4903       pushTreeInfo(&volumes_loops, ti);
4904     }
4905
4906     /* sort volume values to start with lowest volume value */
4907     sortTreeInfo(&volumes_loops);
4908
4909     /* set current volume value to configured volume value */
4910     volume_loops_current =
4911       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4912
4913     /* if that fails, set current volume to reliable default value */
4914     if (volume_loops_current == NULL)
4915       volume_loops_current =
4916         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4917
4918     /* if that also fails, set current volume to first available value */
4919     if (volume_loops_current == NULL)
4920       volume_loops_current = volumes_loops;
4921   }
4922
4923   if (volumes_music == NULL)
4924   {
4925     boolean current_volume_music_found = FALSE;
4926     int i;
4927
4928     for (i = 0; volumes_list[i].value != -1; i++)
4929     {
4930       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4931       char identifier[32], name[32];
4932       int value = volumes_list[i].value;
4933       char *text = volumes_list[i].text;
4934
4935       ti->node_top = &volumes_music;
4936       ti->sort_priority = value;
4937
4938       sprintf(identifier, "%d", value);
4939       sprintf(name, "%s", text);
4940
4941       setString(&ti->identifier, identifier);
4942       setString(&ti->name, name);
4943       setString(&ti->name_sorting, name);
4944       setString(&ti->infotext, "Music Volume");
4945
4946       pushTreeInfo(&volumes_music, ti);
4947
4948       if (value == setup.volume_music)
4949         current_volume_music_found = TRUE;
4950     }
4951
4952     if (!current_volume_music_found)
4953     {
4954       // add entry for non-preset volume value
4955
4956       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4957       char identifier[32], name[32];
4958       int value = setup.volume_music;
4959
4960       ti->node_top = &volumes_music;
4961       ti->sort_priority = value;
4962
4963       sprintf(identifier, "%d", value);
4964       sprintf(name, "%d %% (Current)", value);
4965
4966       setString(&ti->identifier, identifier);
4967       setString(&ti->name, name);
4968       setString(&ti->name_sorting, name);
4969       setString(&ti->infotext, "Music Volume");
4970
4971       pushTreeInfo(&volumes_music, ti);
4972     }
4973
4974     /* sort volume values to start with lowest volume value */
4975     sortTreeInfo(&volumes_music);
4976
4977     /* set current volume value to configured volume value */
4978     volume_music_current =
4979       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4980
4981     /* if that fails, set current volume to reliable default value */
4982     if (volume_music_current == NULL)
4983       volume_music_current =
4984         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4985
4986     /* if that also fails, set current volume to first available value */
4987     if (volume_music_current == NULL)
4988       volume_music_current = volumes_music;
4989   }
4990
4991   setup.volume_simple = atoi(volume_simple_current->identifier);
4992   setup.volume_loops  = atoi(volume_loops_current->identifier);
4993   setup.volume_music  = atoi(volume_music_current->identifier);
4994
4995   /* needed for displaying volume text instead of identifier */
4996   volume_simple_text = volume_simple_current->name;
4997   volume_loops_text = volume_loops_current->name;
4998   volume_music_text = volume_music_current->name;
4999
5000   setup_mode = SETUP_MODE_SOUND;
5001
5002   DrawSetupScreen();
5003 }
5004
5005 static void execSetupChooseTouchControls()
5006 {
5007   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5008
5009   DrawSetupScreen();
5010 }
5011
5012 static void execSetupChooseMoveDistance()
5013 {
5014   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5015
5016   DrawSetupScreen();
5017 }
5018
5019 static void execSetupChooseDropDistance()
5020 {
5021   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5022
5023   DrawSetupScreen();
5024 }
5025
5026 static void execSetupTouch()
5027 {
5028   if (touch_controls == NULL)
5029   {
5030     int i;
5031
5032     for (i = 0; touch_controls_list[i].value != NULL; i++)
5033     {
5034       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5035       char identifier[32], name[32];
5036       char *value = touch_controls_list[i].value;
5037       char *text = touch_controls_list[i].text;
5038
5039       ti->node_top = &touch_controls;
5040       ti->sort_priority = i;
5041
5042       sprintf(identifier, "%s", value);
5043       sprintf(name, "%s", text);
5044
5045       setString(&ti->identifier, identifier);
5046       setString(&ti->name, name);
5047       setString(&ti->name_sorting, name);
5048       setString(&ti->infotext, "Control Type");
5049
5050       pushTreeInfo(&touch_controls, ti);
5051     }
5052
5053     /* sort touch control values to start with lowest touch control value */
5054     sortTreeInfo(&touch_controls);
5055
5056     /* set current touch control value to configured touch control value */
5057     touch_control_current =
5058       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5059
5060     /* if that fails, set current touch control to reliable default value */
5061     if (touch_control_current == NULL)
5062       touch_control_current =
5063         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5064
5065     /* if that also fails, set current touch control to first available value */
5066     if (touch_control_current == NULL)
5067       touch_control_current = touch_controls;
5068   }
5069
5070   if (move_distances == NULL)
5071   {
5072     int i;
5073
5074     for (i = 0; distances_list[i].value != -1; i++)
5075     {
5076       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5077       char identifier[32], name[32];
5078       int value = distances_list[i].value;
5079       char *text = distances_list[i].text;
5080
5081       ti->node_top = &move_distances;
5082       ti->sort_priority = value;
5083
5084       sprintf(identifier, "%d", value);
5085       sprintf(name, "%s", text);
5086
5087       setString(&ti->identifier, identifier);
5088       setString(&ti->name, name);
5089       setString(&ti->name_sorting, name);
5090       setString(&ti->infotext, "Move Distance");
5091
5092       pushTreeInfo(&move_distances, ti);
5093     }
5094
5095     /* sort distance values to start with lowest distance value */
5096     sortTreeInfo(&move_distances);
5097
5098     /* set current distance value to configured distance value */
5099     move_distance_current =
5100       getTreeInfoFromIdentifier(move_distances,
5101                                 i_to_a(setup.touch.move_distance));
5102
5103     /* if that fails, set current distance to reliable default value */
5104     if (move_distance_current == NULL)
5105       move_distance_current =
5106         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5107
5108     /* if that also fails, set current distance to first available value */
5109     if (move_distance_current == NULL)
5110       move_distance_current = move_distances;
5111   }
5112
5113   if (drop_distances == NULL)
5114   {
5115     int i;
5116
5117     for (i = 0; distances_list[i].value != -1; i++)
5118     {
5119       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5120       char identifier[32], name[32];
5121       int value = distances_list[i].value;
5122       char *text = distances_list[i].text;
5123
5124       ti->node_top = &drop_distances;
5125       ti->sort_priority = value;
5126
5127       sprintf(identifier, "%d", value);
5128       sprintf(name, "%s", text);
5129
5130       setString(&ti->identifier, identifier);
5131       setString(&ti->name, name);
5132       setString(&ti->name_sorting, name);
5133       setString(&ti->infotext, "Drop Distance");
5134
5135       pushTreeInfo(&drop_distances, ti);
5136     }
5137
5138     /* sort distance values to start with lowest distance value */
5139     sortTreeInfo(&drop_distances);
5140
5141     /* set current distance value to configured distance value */
5142     drop_distance_current =
5143       getTreeInfoFromIdentifier(drop_distances,
5144                                 i_to_a(setup.touch.drop_distance));
5145
5146     /* if that fails, set current distance to reliable default value */
5147     if (drop_distance_current == NULL)
5148       drop_distance_current =
5149         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5150
5151     /* if that also fails, set current distance to first available value */
5152     if (drop_distance_current == NULL)
5153       drop_distance_current = drop_distances;
5154   }
5155
5156   setup.touch.control_type = touch_control_current->identifier;
5157   setup.touch.move_distance = atoi(move_distance_current->identifier);
5158   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5159
5160   /* needed for displaying volume text instead of identifier */
5161   touch_controls_text = touch_control_current->name;
5162   move_distance_text = move_distance_current->name;
5163   drop_distance_text = drop_distance_current->name;
5164
5165   setup_mode = SETUP_MODE_TOUCH;
5166
5167   DrawSetupScreen();
5168 }
5169
5170 static void execSetupArtwork()
5171 {
5172 #if 0
5173   printf("::: '%s', '%s', '%s'\n",
5174          artwork.gfx_current->subdir,
5175          artwork.gfx_current->fullpath,
5176          artwork.gfx_current->basepath);
5177 #endif
5178
5179   setup.graphics_set = artwork.gfx_current->identifier;
5180   setup.sounds_set = artwork.snd_current->identifier;
5181   setup.music_set = artwork.mus_current->identifier;
5182
5183   /* needed if last screen (setup choice) changed graphics, sounds or music */
5184   ReloadCustomArtwork(0);
5185
5186   /* needed for displaying artwork name instead of artwork identifier */
5187   graphics_set_name = artwork.gfx_current->name;
5188   sounds_set_name = artwork.snd_current->name;
5189   music_set_name = artwork.mus_current->name;
5190
5191   setup_mode = SETUP_MODE_ARTWORK;
5192
5193   DrawSetupScreen();
5194 }
5195
5196 static void execSetupChooseGraphics()
5197 {
5198   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5199
5200   DrawSetupScreen();
5201 }
5202
5203 static void execSetupChooseSounds()
5204 {
5205   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5206
5207   DrawSetupScreen();
5208 }
5209
5210 static void execSetupChooseMusic()
5211 {
5212   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5213
5214   DrawSetupScreen();
5215 }
5216
5217 #if !defined(PLATFORM_ANDROID)
5218 static void execSetupInput()
5219 {
5220   setup_mode = SETUP_MODE_INPUT;
5221
5222   DrawSetupScreen();
5223 }
5224 #endif
5225
5226 static void execSetupShortcuts()
5227 {
5228   setup_mode = SETUP_MODE_SHORTCUTS;
5229
5230   DrawSetupScreen();
5231 }
5232
5233 static void execSetupShortcuts1()
5234 {
5235   setup_mode = SETUP_MODE_SHORTCUTS_1;
5236
5237   DrawSetupScreen();
5238 }
5239
5240 static void execSetupShortcuts2()
5241 {
5242   setup_mode = SETUP_MODE_SHORTCUTS_2;
5243
5244   DrawSetupScreen();
5245 }
5246
5247 static void execSetupShortcuts3()
5248 {
5249   setup_mode = SETUP_MODE_SHORTCUTS_3;
5250
5251   DrawSetupScreen();
5252 }
5253
5254 static void execSetupShortcuts4()
5255 {
5256   setup_mode = SETUP_MODE_SHORTCUTS_4;
5257
5258   DrawSetupScreen();
5259 }
5260
5261 static void execSetupShortcuts5()
5262 {
5263   setup_mode = SETUP_MODE_SHORTCUTS_5;
5264
5265   DrawSetupScreen();
5266 }
5267
5268 static void execExitSetup()
5269 {
5270   SetGameStatus(GAME_MODE_MAIN);
5271
5272   DrawMainMenu();
5273 }
5274
5275 static void execSaveAndExitSetup()
5276 {
5277   SaveSetup();
5278   execExitSetup();
5279 }
5280
5281 static struct TokenInfo setup_info_main[] =
5282 {
5283   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5284   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5285   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5286   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5287   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5288 #if !defined(PLATFORM_ANDROID)
5289   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5290   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5291 #else
5292   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5293 #endif
5294   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5295   { TYPE_EMPTY,         NULL,                   ""                      },
5296   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5297   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5298
5299   { 0,                  NULL,                   NULL                    }
5300 };
5301
5302 static struct TokenInfo setup_info_game[] =
5303 {
5304   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5305   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5306   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5307   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5308   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5309   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5310   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5311   { TYPE_STRING,        &game_speed_text,       ""                      },
5312 #if 1
5313   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5314   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5315 #endif
5316   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5317   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5318   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5319   { TYPE_EMPTY,         NULL,                   ""                      },
5320   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5321
5322   { 0,                  NULL,                   NULL                    }
5323 };
5324
5325 static struct TokenInfo setup_info_editor[] =
5326 {
5327 #if 0
5328   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5329   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5330   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5331   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5332   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5333   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5334   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5335   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5336 #endif
5337   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5338   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5339   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5340 #if 0
5341   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5342 #endif
5343   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5344   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5345   { TYPE_EMPTY,         NULL,                   ""                      },
5346 #if 0
5347   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5348   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5349   { TYPE_EMPTY,         NULL,                   ""                      },
5350 #endif
5351   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5352   { TYPE_EMPTY,         NULL,                   ""                      },
5353   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5354
5355   { 0,                  NULL,                   NULL                    }
5356 };
5357
5358 static struct TokenInfo setup_info_graphics[] =
5359 {
5360 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
5361   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5362   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5363   { TYPE_STRING,        &window_size_text,      ""                      },
5364   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5365   { TYPE_STRING,        &scaling_type_text,     ""                      },
5366   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
5367   { TYPE_STRING,        &rendering_mode_text,   ""                      },
5368 #endif
5369 #if 0
5370   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5371   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5372 #endif
5373   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5374   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5375   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5376   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5377   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5378   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5379   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5380   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5381   { TYPE_EMPTY,         NULL,                   ""                      },
5382   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5383
5384   { 0,                  NULL,                   NULL                    }
5385 };
5386
5387 static struct TokenInfo setup_info_sound[] =
5388 {
5389   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5390   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5391   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5392   { TYPE_EMPTY,         NULL,                   ""                      },
5393   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5394   { TYPE_STRING,        &volume_simple_text,    ""                      },
5395   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5396   { TYPE_STRING,        &volume_loops_text,     ""                      },
5397   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5398   { TYPE_STRING,        &volume_music_text,     ""                      },
5399   { TYPE_EMPTY,         NULL,                   ""                      },
5400   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5401
5402   { 0,                  NULL,                   NULL                    }
5403 };
5404
5405 static struct TokenInfo setup_info_artwork[] =
5406 {
5407   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5408   { TYPE_STRING,        &graphics_set_name,     ""                      },
5409   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5410   { TYPE_STRING,        &sounds_set_name,       ""                      },
5411   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5412   { TYPE_STRING,        &music_set_name,        ""                      },
5413   { TYPE_EMPTY,         NULL,                   ""                      },
5414   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5415   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5416   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5417   { TYPE_EMPTY,         NULL,                   ""                      },
5418   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5419
5420   { 0,                  NULL,                   NULL                    }
5421 };
5422
5423 static struct TokenInfo setup_info_input[] =
5424 {
5425   { TYPE_SWITCH,        NULL,                   "Player:"               },
5426   { TYPE_SWITCH,        NULL,                   "Device:"               },
5427   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5428   { TYPE_EMPTY,         NULL,                   ""                      },
5429   { TYPE_EMPTY,         NULL,                   ""                      },
5430   { TYPE_EMPTY,         NULL,                   ""                      },
5431   { TYPE_EMPTY,         NULL,                   ""                      },
5432   { TYPE_EMPTY,         NULL,                   ""                      },
5433   { TYPE_EMPTY,         NULL,                   ""                      },
5434   { TYPE_EMPTY,         NULL,                   ""                      },
5435   { TYPE_EMPTY,         NULL,                   ""                      },
5436   { TYPE_EMPTY,         NULL,                   ""                      },
5437   { TYPE_EMPTY,         NULL,                   ""                      },
5438   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5439
5440   { 0,                  NULL,                   NULL                    }
5441 };
5442
5443 static struct TokenInfo setup_info_touch[] =
5444 {
5445   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5446   { TYPE_STRING,        &touch_controls_text,   ""                      },
5447   { TYPE_EMPTY,         NULL,                   ""                      },
5448   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5449   { TYPE_STRING,        &move_distance_text,    ""                      },
5450   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5451   { TYPE_STRING,        &drop_distance_text,    ""                      },
5452   { TYPE_EMPTY,         NULL,                   ""                      },
5453   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5454
5455   { 0,                  NULL,                   NULL                    }
5456 };
5457
5458 static struct TokenInfo setup_info_shortcuts[] =
5459 {
5460   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5461   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5462   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5463   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5464   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5465   { TYPE_EMPTY,         NULL,                   ""                      },
5466   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5467
5468   { 0,                  NULL,                   NULL                    }
5469 };
5470
5471 static struct TokenInfo setup_info_shortcuts_1[] =
5472 {
5473   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5474   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5475   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5476   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5477   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5478   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5479   { TYPE_EMPTY,         NULL,                   ""                      },
5480   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5481   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5482   { TYPE_EMPTY,         NULL,                   ""                      },
5483   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5484
5485   { 0,                  NULL,                   NULL                    }
5486 };
5487
5488 static struct TokenInfo setup_info_shortcuts_2[] =
5489 {
5490   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5491   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5492   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5493   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5494   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5495   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5496   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5497   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5498   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5499   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5500   { TYPE_EMPTY,         NULL,                   ""                      },
5501   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5502
5503   { 0,                  NULL,                   NULL                    }
5504 };
5505
5506 static struct TokenInfo setup_info_shortcuts_3[] =
5507 {
5508   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5509   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5510   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5511   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5512   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5513   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5514   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5515   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5516   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5517   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5518   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5519   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5520   { TYPE_EMPTY,         NULL,                   ""                      },
5521   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5522
5523   { 0,                  NULL,                   NULL                    }
5524 };
5525
5526 static struct TokenInfo setup_info_shortcuts_4[] =
5527 {
5528   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5529   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5530   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5531   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5532   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5533   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5534   { TYPE_EMPTY,         NULL,                   ""                      },
5535   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5536
5537   { 0,                  NULL,                   NULL                    }
5538 };
5539
5540 static struct TokenInfo setup_info_shortcuts_5[] =
5541 {
5542   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5543   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5544   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5545   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5546   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5547   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5548   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5549   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5550   { TYPE_EMPTY,         NULL,                   ""                      },
5551   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5552
5553   { 0,                  NULL,                   NULL                    }
5554 };
5555
5556 static Key getSetupKey()
5557 {
5558   Key key = KSYM_UNDEFINED;
5559   boolean got_key_event = FALSE;
5560
5561   while (!got_key_event)
5562   {
5563     if (PendingEvent())         /* got event */
5564     {
5565       Event event;
5566
5567       NextEvent(&event);
5568
5569       switch (event.type)
5570       {
5571         case EVENT_KEYPRESS:
5572           {
5573             key = GetEventKey((KeyEvent *)&event, TRUE);
5574
5575             /* press 'Escape' or 'Enter' to keep the existing key binding */
5576             if (key == KSYM_Escape || key == KSYM_Return)
5577               key = KSYM_UNDEFINED;     /* keep old value */
5578
5579             got_key_event = TRUE;
5580           }
5581           break;
5582
5583         case EVENT_KEYRELEASE:
5584           key_joystick_mapping = 0;
5585           break;
5586
5587         default:
5588           HandleOtherEvents(&event);
5589           break;
5590       }
5591     }
5592
5593     DoAnimation();
5594     BackToFront();
5595   }
5596
5597   return key;
5598 }
5599
5600 static int getSetupValueFont(int type, void *value)
5601 {
5602   if (type & TYPE_KEY)
5603     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5604   else if (type & TYPE_STRING)
5605     return FONT_VALUE_2;
5606   else if (type & TYPE_ECS_AGA)
5607     return FONT_VALUE_1;
5608   else if (type & TYPE_BOOLEAN_STYLE)
5609     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5610   else if (type & TYPE_YES_NO_AUTO)
5611     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5612             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5613   else
5614     return FONT_VALUE_1;
5615 }
5616
5617 static int getSetupValueFontNarrow(int type, int font_nr)
5618 {
5619   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
5620           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
5621           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
5622           font_nr);
5623 }
5624
5625 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5626 {
5627   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5628   struct TokenInfo *si = &setup_info[si_pos];
5629   boolean font_draw_xoffset_modified = FALSE;
5630   boolean scrollbar_needed = (num_setup_info < max_setup_info);
5631   int font_draw_xoffset_old = -1;
5632   int xoffset = (scrollbar_needed ? -1 : 0);
5633   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5634   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5635   int xpos = menu_screen_value_xpos;
5636   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5637   int startx = mSX + xpos * 32;
5638   int starty = mSY + ypos * 32;
5639   int font_nr, font_nr_default, font_width_default;
5640   int type = si->type;
5641   void *value = si->value;
5642   char *value_string = getSetupValue(type, value);
5643   int i;
5644
5645   if (value_string == NULL)
5646     return;
5647
5648   if (type & TYPE_KEY)
5649   {
5650     xpos = MENU_SCREEN_START_XPOS;
5651
5652     if (type & TYPE_QUERY)
5653       value_string = "<press key>";
5654   }
5655   else if (type & TYPE_STRING)
5656   {
5657     int max_value_len = (SCR_FIELDX - 2) * 2;
5658
5659     xpos = MENU_SCREEN_START_XPOS;
5660
5661     if (strlen(value_string) > max_value_len)
5662       value_string[max_value_len] = '\0';
5663   }
5664   else if (type & TYPE_YES_NO_AUTO)
5665   {
5666     xpos = menu_screen_value_xpos - 1;
5667   }
5668
5669   startx = mSX + xpos * 32;
5670   starty = mSY + ypos * 32;
5671   font_nr_default = getSetupValueFont(type, value);
5672   font_width_default = getFontWidth(font_nr_default);
5673
5674   font_nr = font_nr_default;
5675
5676   // special check if right-side setup values moved left due to scrollbar
5677   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
5678   {
5679     int max_menu_text_length = 26;      // maximum text length for classic menu
5680     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5681     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5682     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5683     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5684     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
5685
5686     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
5687     {
5688       xpos += 1;
5689       startx = mSX + xpos * 32;
5690
5691       font_nr = getSetupValueFontNarrow(type, font_nr);
5692     }
5693   }
5694
5695   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5696   if (setup_mode != SETUP_MODE_INPUT)
5697   {
5698     int max_menu_text_length_big = (menu_screen_value_xpos -
5699                                     MENU_SCREEN_START_XPOS);
5700     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5701     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5702     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5703     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5704     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5705     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5706     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5707     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5708     boolean correct_font_draw_xoffset = FALSE;
5709
5710     if (xpos == MENU_SCREEN_START_XPOS &&
5711         startx + font1_xoffset < text_startx + text_font_xoffset)
5712       correct_font_draw_xoffset = TRUE;
5713
5714     if (xpos == menu_screen_value_xpos &&
5715         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5716       correct_font_draw_xoffset = TRUE;
5717
5718     /* check if setup value would overlap with setup text when printed */
5719     /* (this can happen for extreme/wrong values for font draw offset) */
5720     if (correct_font_draw_xoffset)
5721     {
5722       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5723       font_draw_xoffset_modified = TRUE;
5724
5725       if (type & TYPE_KEY)
5726         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5727       else if (!(type & TYPE_STRING))
5728         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5729           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5730     }
5731   }
5732
5733   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5734     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
5735
5736   DrawText(startx, starty, value_string, font_nr);
5737
5738   if (font_draw_xoffset_modified)
5739     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5740 }
5741
5742 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5743 {
5744   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5745   struct TokenInfo *si = &setup_info[si_pos];
5746
5747   if (si->type & TYPE_BOOLEAN_STYLE)
5748   {
5749     *(boolean *)si->value ^= TRUE;
5750   }
5751   else if (si->type & TYPE_YES_NO_AUTO)
5752   {
5753     *(int *)si->value =
5754       (dx == -1 ?
5755        (*(int *)si->value == AUTO ? TRUE :
5756         *(int *)si->value == TRUE ? FALSE : AUTO) :
5757        (*(int *)si->value == TRUE ? AUTO :
5758         *(int *)si->value == AUTO ? FALSE : TRUE));
5759   }
5760   else if (si->type & TYPE_KEY)
5761   {
5762     Key key;
5763
5764     si->type |= TYPE_QUERY;
5765     drawSetupValue(screen_pos, setup_info_pos_raw);
5766     si->type &= ~TYPE_QUERY;
5767
5768     key = getSetupKey();
5769     if (key != KSYM_UNDEFINED)
5770       *(Key *)si->value = key;
5771   }
5772
5773   drawSetupValue(screen_pos, setup_info_pos_raw);
5774
5775   // fullscreen state may have changed at this point
5776   if (si->value == &setup.fullscreen)
5777     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5778 }
5779
5780 static void DrawSetupScreen_Generic()
5781 {
5782   int fade_mask = REDRAW_FIELD;
5783   boolean redraw_all = FALSE;
5784   char *title_string = NULL;
5785   int i;
5786
5787   if (CheckIfGlobalBorderHasChanged())
5788     fade_mask = REDRAW_ALL;
5789
5790   UnmapAllGadgets();
5791   FadeSoundsAndMusic();
5792
5793   FreeScreenGadgets();
5794   CreateScreenGadgets();
5795
5796   if (redraw_mask & REDRAW_ALL)
5797     redraw_all = TRUE;
5798
5799   FadeOut(fade_mask);
5800
5801   ClearField();
5802
5803   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5804
5805   if (setup_mode == SETUP_MODE_MAIN)
5806   {
5807     setup_info = setup_info_main;
5808     title_string = "Setup";
5809   }
5810   else if (setup_mode == SETUP_MODE_GAME)
5811   {
5812     setup_info = setup_info_game;
5813     title_string = "Setup Game";
5814   }
5815   else if (setup_mode == SETUP_MODE_EDITOR)
5816   {
5817     setup_info = setup_info_editor;
5818     title_string = "Setup Editor";
5819   }
5820   else if (setup_mode == SETUP_MODE_GRAPHICS)
5821   {
5822     setup_info = setup_info_graphics;
5823     title_string = "Setup Graphics";
5824   }
5825   else if (setup_mode == SETUP_MODE_SOUND)
5826   {
5827     setup_info = setup_info_sound;
5828     title_string = "Setup Sound";
5829   }
5830   else if (setup_mode == SETUP_MODE_ARTWORK)
5831   {
5832     setup_info = setup_info_artwork;
5833     title_string = "Custom Artwork";
5834   }
5835   else if (setup_mode == SETUP_MODE_TOUCH)
5836   {
5837     setup_info = setup_info_touch;
5838     title_string = "Setup Touch Ctrls";
5839   }
5840   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5841   {
5842     setup_info = setup_info_shortcuts;
5843     title_string = "Setup Shortcuts";
5844   }
5845   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5846   {
5847     setup_info = setup_info_shortcuts_1;
5848     title_string = "Setup Shortcuts";
5849   }
5850   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5851   {
5852     setup_info = setup_info_shortcuts_2;
5853     title_string = "Setup Shortcuts";
5854   }
5855   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5856   {
5857     setup_info = setup_info_shortcuts_3;
5858     title_string = "Setup Shortcuts";
5859   }
5860   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5861   {
5862     setup_info = setup_info_shortcuts_4;
5863     title_string = "Setup Shortcuts";
5864   }
5865   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5866   {
5867     setup_info = setup_info_shortcuts_5;
5868     title_string = "Setup Shortcuts";
5869   }
5870
5871   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5872
5873   // determine maximal number of setup entries that can be displayed on screen
5874   num_setup_info = 0;
5875   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5876     num_setup_info++;
5877
5878   // determine maximal number of setup entries available for this setup screen
5879   max_setup_info = 0;
5880   for (i = 0; setup_info[i].type != 0; i++)
5881     max_setup_info++;
5882
5883   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5884
5885   MapScreenGadgets(max_setup_info);
5886
5887   if (redraw_all)
5888     redraw_mask = fade_mask = REDRAW_ALL;
5889
5890   DrawMaskedBorder(fade_mask);
5891
5892   FadeIn(fade_mask);
5893
5894   InitAnimation();
5895 }
5896
5897 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5898 {
5899   menu_info = setup_info;
5900
5901   HandleMenuScreen(mx, my, dx, dy, button,
5902                    setup_mode, num_setup_info, max_setup_info);
5903 }
5904
5905 void DrawSetupScreen_Input()
5906 {
5907   int i;
5908
5909   FadeOut(REDRAW_FIELD);
5910
5911   ClearField();
5912
5913   setup_info = setup_info_input;
5914
5915   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5916
5917   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5918                     "Joysticks deactivated on this screen");
5919
5920   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5921   {
5922     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5923       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5924     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5925       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5926     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5927       initCursor(i, IMG_MENU_BUTTON);
5928
5929     DrawCursorAndText_Setup(i, -1, FALSE);
5930   }
5931
5932   /* create gadgets for setup input menu screen */
5933   FreeScreenGadgets();
5934   CreateScreenGadgets();
5935
5936   /* map gadgets for setup input menu screen */
5937   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5938
5939   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5940
5941   FadeIn(REDRAW_FIELD);
5942
5943   InitAnimation();
5944 }
5945
5946 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5947 {
5948   if (device_name == NULL)
5949     return;
5950
5951   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5952     device_nr = 0;
5953
5954   if (strlen(device_name) > 1)
5955   {
5956     char c1 = device_name[strlen(device_name) - 1];
5957     char c2 = device_name[strlen(device_name) - 2];
5958
5959     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5960       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5961   }
5962   else
5963     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5964             strlen(device_name));
5965 }
5966
5967 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5968 {
5969   int i;
5970   static struct SetupKeyboardInfo custom_key;
5971   static struct
5972   {
5973     Key *key;
5974     char *text;
5975   } custom[] =
5976   {
5977     { &custom_key.left,  "Joystick Left"  },
5978     { &custom_key.right, "Joystick Right" },
5979     { &custom_key.up,    "Joystick Up"    },
5980     { &custom_key.down,  "Joystick Down"  },
5981     { &custom_key.snap,  "Button 1"       },
5982     { &custom_key.drop,  "Button 2"       }
5983   };
5984   static char *joystick_name[MAX_PLAYERS] =
5985   {
5986     "Joystick1",
5987     "Joystick2",
5988     "Joystick3",
5989     "Joystick4"
5990   };
5991   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5992
5993   InitJoysticks();
5994
5995   custom_key = setup.input[player_nr].key;
5996
5997   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5998            FONT_INPUT_1_ACTIVE);
5999
6000   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6001                              TILEX, TILEY);
6002   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6003                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6004
6005   if (setup.input[player_nr].use_joystick)
6006   {
6007     char *device_name = setup.input[player_nr].joy.device_name;
6008     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
6009     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
6010
6011     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
6012     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
6013   }
6014   else
6015   {
6016     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
6017     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
6018   }
6019
6020   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
6021
6022   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
6023   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
6024   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
6025   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6026
6027   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6028   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6029   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6030   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6031   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6032   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6033
6034   for (i = 0; i < 6; i++)
6035   {
6036     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6037
6038     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6039              "              ", FONT_VALUE_1);
6040     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6041              (setup.input[player_nr].use_joystick ?
6042               custom[i].text :
6043               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6044   }
6045 }
6046
6047 static int input_player_nr = 0;
6048
6049 void HandleSetupScreen_Input_Player(int step, int direction)
6050 {
6051   int old_player_nr = input_player_nr;
6052   int new_player_nr;
6053
6054   new_player_nr = old_player_nr + step * direction;
6055   if (new_player_nr < 0)
6056     new_player_nr = 0;
6057   if (new_player_nr > MAX_PLAYERS - 1)
6058     new_player_nr = MAX_PLAYERS - 1;
6059
6060   if (new_player_nr != old_player_nr)
6061   {
6062     input_player_nr = new_player_nr;
6063
6064     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6065   }
6066 }
6067
6068 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6069 {
6070   static int choice = 0;
6071   int x = 0;
6072   int y = choice;
6073   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6074   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6075   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6076   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6077
6078   if (button == MB_MENU_INITIALIZE)
6079   {
6080     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6081
6082     DrawCursorAndText_Setup(choice, -1, TRUE);
6083
6084     return;
6085   }
6086   else if (button == MB_MENU_LEAVE)
6087   {
6088     setup_mode = SETUP_MODE_MAIN;
6089     DrawSetupScreen();
6090     InitJoysticks();
6091
6092     return;
6093   }
6094
6095   if (mx || my)         /* mouse input */
6096   {
6097     x = (mx - mSX) / 32;
6098     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6099   }
6100   else if (dx || dy)    /* keyboard input */
6101   {
6102     if (dx && choice == 0)
6103       x = (dx < 0 ? 10 : 12);
6104     else if ((dx && choice == 1) ||
6105              (dx == +1 && choice == 2) ||
6106              (dx == -1 && choice == pos_end))
6107       button = MB_MENU_CHOICE;
6108     else if (dy)
6109       y = choice + dy;
6110
6111     if (y >= pos_empty1 && y <= pos_empty2)
6112       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6113   }
6114
6115   if (y == 0 && dx != 0 && button)
6116   {
6117     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6118   }
6119   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6120            y >= pos_start && y <= pos_end &&
6121            !(y >= pos_empty1 && y <= pos_empty2))
6122   {
6123     if (button)
6124     {
6125       if (y != choice)
6126       {
6127         DrawCursorAndText_Setup(choice, -1, FALSE);
6128         DrawCursorAndText_Setup(y, -1, TRUE);
6129
6130         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6131
6132         choice = y;
6133       }
6134     }
6135     else
6136     {
6137       if (y == 1)
6138       {
6139         char *device_name = setup.input[input_player_nr].joy.device_name;
6140
6141         if (!setup.input[input_player_nr].use_joystick)
6142         {
6143           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6144
6145           setJoystickDeviceToNr(device_name, new_device_nr);
6146           setup.input[input_player_nr].use_joystick = TRUE;
6147         }
6148         else
6149         {
6150           int device_nr = getJoystickNrFromDeviceName(device_name);
6151           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6152
6153           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6154             setup.input[input_player_nr].use_joystick = FALSE;
6155           else
6156             setJoystickDeviceToNr(device_name, new_device_nr);
6157         }
6158
6159         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6160       }
6161       else if (y == 2)
6162       {
6163         if (setup.input[input_player_nr].use_joystick)
6164         {
6165           InitJoysticks();
6166           CalibrateJoystick(input_player_nr);
6167         }
6168         else
6169           CustomizeKeyboard(input_player_nr);
6170       }
6171       else if (y == pos_end)
6172       {
6173         InitJoysticks();
6174
6175         FadeSetLeaveMenu();
6176
6177         setup_mode = SETUP_MODE_MAIN;
6178         DrawSetupScreen();
6179       }
6180     }
6181   }
6182 }
6183
6184 void CustomizeKeyboard(int player_nr)
6185 {
6186   int i;
6187   int step_nr;
6188   boolean finished = FALSE;
6189   static struct SetupKeyboardInfo custom_key;
6190   static struct
6191   {
6192     Key *key;
6193     char *text;
6194   } customize_step[] =
6195   {
6196     { &custom_key.left,  "Move Left"    },
6197     { &custom_key.right, "Move Right"   },
6198     { &custom_key.up,    "Move Up"      },
6199     { &custom_key.down,  "Move Down"    },
6200     { &custom_key.snap,  "Snap Field"   },
6201     { &custom_key.drop,  "Drop Element" }
6202   };
6203
6204   /* read existing key bindings from player setup */
6205   custom_key = setup.input[player_nr].key;
6206
6207   FadeSetEnterMenu();
6208   FadeOut(REDRAW_FIELD);
6209
6210   ClearField();
6211
6212   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6213
6214   step_nr = 0;
6215   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6216            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6217   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6218            "Key:", FONT_INPUT_1_ACTIVE);
6219   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6220            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6221
6222   FadeIn(REDRAW_FIELD);
6223
6224   InitAnimation();
6225
6226   while (!finished)
6227   {
6228     if (PendingEvent())         /* got event */
6229     {
6230       Event event;
6231
6232       NextEvent(&event);
6233
6234       switch (event.type)
6235       {
6236         case EVENT_KEYPRESS:
6237           {
6238             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6239
6240             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6241             {
6242               if (key == KSYM_Escape)
6243                 FadeSkipNextFadeIn();
6244
6245               finished = TRUE;
6246               break;
6247             }
6248
6249             /* all keys configured -- wait for "Escape" or "Return" key */
6250             if (step_nr == 6)
6251               break;
6252
6253             /* press 'Enter' to keep the existing key binding */
6254             if (key == KSYM_Return)
6255               key = *customize_step[step_nr].key;
6256
6257             /* check if key already used */
6258             for (i = 0; i < step_nr; i++)
6259               if (*customize_step[i].key == key)
6260                 break;
6261             if (i < step_nr)
6262               break;
6263
6264             /* got new key binding */
6265             *customize_step[step_nr].key = key;
6266             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6267                      "             ", FONT_VALUE_1);
6268             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6269                      getKeyNameFromKey(key), FONT_VALUE_1);
6270             step_nr++;
6271
6272             /* un-highlight last query */
6273             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6274                      customize_step[step_nr - 1].text, FONT_MENU_1);
6275             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6276                      "Key:", FONT_MENU_1);
6277
6278             /* press 'Enter' to leave */
6279             if (step_nr == 6)
6280             {
6281               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6282                        "Press Enter", FONT_TITLE_1);
6283               break;
6284             }
6285
6286             /* query next key binding */
6287             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6288                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6289             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6290                      "Key:", FONT_INPUT_1_ACTIVE);
6291             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6292                      getKeyNameFromKey(*customize_step[step_nr].key),
6293                      FONT_VALUE_OLD);
6294           }
6295           break;
6296
6297         case EVENT_KEYRELEASE:
6298           key_joystick_mapping = 0;
6299           break;
6300
6301         default:
6302           HandleOtherEvents(&event);
6303           break;
6304       }
6305     }
6306
6307     DoAnimation();
6308     BackToFront();
6309   }
6310
6311   /* write new key bindings back to player setup */
6312   setup.input[player_nr].key = custom_key;
6313
6314   StopAnimation();
6315   DrawSetupScreen_Input();
6316 }
6317
6318 static boolean CalibrateJoystickMain(int player_nr)
6319 {
6320   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6321   int new_joystick_xright = JOYSTICK_XMIDDLE;
6322   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6323   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6324   int new_joystick_xmiddle, new_joystick_ymiddle;
6325
6326   int joystick_fd = joystick.fd[player_nr];
6327   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6328   boolean check[3][3];
6329   int check_remaining = 3 * 3;
6330   int joy_x, joy_y;
6331   int joy_value;
6332   int result = -1;
6333
6334   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6335     return FALSE;
6336
6337   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6338     return FALSE;
6339
6340   FadeSetEnterMenu();
6341   FadeOut(REDRAW_FIELD);
6342
6343   ClearField();
6344
6345   for (y = 0; y < 3; y++)
6346   {
6347     for (x = 0; x < 3; x++)
6348     {
6349       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6350       check[x][y] = FALSE;
6351     }
6352   }
6353
6354   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6355   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6356   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6357   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6358   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6359   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6360   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6361
6362   joy_value = Joystick(player_nr);
6363   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6364   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6365
6366   /* eventually uncalibrated center position (joystick could be uncentered) */
6367   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6368     return FALSE;
6369
6370   new_joystick_xmiddle = joy_x;
6371   new_joystick_ymiddle = joy_y;
6372
6373   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6374
6375   FadeIn(REDRAW_FIELD);
6376
6377   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6378   InitAnimation();
6379
6380   while (result < 0)
6381   {
6382     if (PendingEvent())         /* got event */
6383     {
6384       Event event;
6385
6386       NextEvent(&event);
6387
6388       switch (event.type)
6389       {
6390         case EVENT_KEYPRESS:
6391           switch (GetEventKey((KeyEvent *)&event, TRUE))
6392           {
6393             case KSYM_Return:
6394               if (check_remaining == 0)
6395                 result = 1;
6396               break;
6397
6398             case KSYM_Escape:
6399               FadeSkipNextFadeIn();
6400               result = 0;
6401               break;
6402
6403             default:
6404               break;
6405           }
6406           break;
6407
6408         case EVENT_KEYRELEASE:
6409           key_joystick_mapping = 0;
6410           break;
6411
6412         default:
6413           HandleOtherEvents(&event);
6414           break;
6415       }
6416     }
6417
6418     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6419       return FALSE;
6420
6421     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6422     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6423     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6424     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6425
6426     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6427     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6428     setup.input[player_nr].joy.xright = new_joystick_xright;
6429     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6430     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6431     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6432
6433     CheckJoystickData();
6434
6435     joy_value = Joystick(player_nr);
6436
6437     if (joy_value & JOY_BUTTON && check_remaining == 0)
6438       result = 1;
6439
6440     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6441     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6442
6443     if (x != last_x || y != last_y)
6444     {
6445       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6446                        IMG_MENU_CALIBRATE_YELLOW, 0);
6447       DrawFixedGraphic(xpos + x,      ypos + y,
6448                        IMG_MENU_CALIBRATE_RED,    0);
6449
6450       last_x = x;
6451       last_y = y;
6452
6453       if (check_remaining > 0 && !check[x+1][y+1])
6454       {
6455         check[x+1][y+1] = TRUE;
6456         check_remaining--;
6457       }
6458     }
6459
6460     DoAnimation();
6461     BackToFront();
6462   }
6463
6464   /* calibrated center position (joystick should now be centered) */
6465   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6466     return FALSE;
6467
6468   new_joystick_xmiddle = joy_x;
6469   new_joystick_ymiddle = joy_y;
6470
6471   StopAnimation();
6472
6473   /* wait until the last pressed button was released */
6474   while (Joystick(player_nr) & JOY_BUTTON)
6475   {
6476     if (PendingEvent())         /* got event */
6477     {
6478       Event event;
6479
6480       NextEvent(&event);
6481       HandleOtherEvents(&event);
6482
6483       BackToFront();
6484     }
6485   }
6486
6487   return TRUE;
6488 }
6489
6490 void CalibrateJoystick(int player_nr)
6491 {
6492   if (!CalibrateJoystickMain(player_nr))
6493   {
6494     char *device_name = setup.input[player_nr].joy.device_name;
6495     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6496     int xpos = mSX - SX;
6497     int ypos = mSY - SY;
6498
6499     ClearField();
6500
6501     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6502     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6503     BackToFront();
6504
6505     Delay(2000);                /* show error message for a short time */
6506
6507     ClearEventQueue();
6508   }
6509
6510   DrawSetupScreen_Input();
6511 }
6512
6513 void DrawSetupScreen()
6514 {
6515   DeactivateJoystick();
6516
6517   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6518
6519   if (setup_mode == SETUP_MODE_INPUT)
6520     DrawSetupScreen_Input();
6521   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6522     DrawChooseTree(&game_speed_current);
6523   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6524     DrawChooseTree(&scroll_delay_current);
6525   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6526     DrawChooseTree(&snapshot_mode_current);
6527   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6528     DrawChooseTree(&window_size_current);
6529   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6530     DrawChooseTree(&scaling_type_current);
6531   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6532     DrawChooseTree(&rendering_mode_current);
6533   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6534     DrawChooseTree(&artwork.gfx_current);
6535   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6536     DrawChooseTree(&artwork.snd_current);
6537   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6538     DrawChooseTree(&artwork.mus_current);
6539   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6540     DrawChooseTree(&volume_simple_current);
6541   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6542     DrawChooseTree(&volume_loops_current);
6543   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6544     DrawChooseTree(&volume_music_current);
6545   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6546     DrawChooseTree(&touch_control_current);
6547   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6548     DrawChooseTree(&move_distance_current);
6549   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6550     DrawChooseTree(&drop_distance_current);
6551   else
6552     DrawSetupScreen_Generic();
6553
6554   PlayMenuSound();
6555   PlayMenuMusic();
6556 }
6557
6558 void RedrawSetupScreenAfterFullscreenToggle()
6559 {
6560   if (setup_mode == SETUP_MODE_GRAPHICS ||
6561       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6562   {
6563     // update list selection from "setup.window_scaling_percent"
6564     execSetupGraphics_setWindowSizes(TRUE);
6565
6566     DrawSetupScreen();
6567   }
6568 }
6569
6570 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6571 {
6572   if (setup_mode == SETUP_MODE_INPUT)
6573     HandleSetupScreen_Input(mx, my, dx, dy, button);
6574   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6575     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6576   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6577     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6578   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6579     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6580   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6581     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6582   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6583     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6584   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6585     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
6586   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6587     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6588   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6589     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6590   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6591     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6592   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6593     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6594   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6595     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6596   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6597     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6598   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6599     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6600   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6601     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6602   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6603     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6604   else
6605     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6606 }
6607
6608 void HandleGameActions()
6609 {
6610   if (game_status != GAME_MODE_PLAYING)
6611     return;
6612
6613   GameActions();        /* main game loop */
6614
6615   if (tape.auto_play && !tape.playing)
6616     AutoPlayTape();     /* continue automatically playing next tape */
6617 }
6618
6619
6620 /* ---------- new screen button stuff -------------------------------------- */
6621
6622 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6623 {
6624   switch (gadget_id)
6625   {
6626     case SCREEN_CTRL_ID_PREV_LEVEL:
6627       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6628       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6629       break;
6630
6631     case SCREEN_CTRL_ID_NEXT_LEVEL:
6632       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6633       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6634       break;
6635
6636     case SCREEN_CTRL_ID_PREV_PLAYER:
6637       *x = mSX + TILEX * 10;
6638       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6639       break;
6640
6641     case SCREEN_CTRL_ID_NEXT_PLAYER:
6642       *x = mSX + TILEX * 12;
6643       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6644       break;
6645
6646     default:
6647       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6648   }
6649 }
6650
6651 static struct
6652 {
6653   int gfx_unpressed, gfx_pressed;
6654   void (*get_gadget_position)(int *, int *, int);
6655   int gadget_id;
6656   int screen_mask;
6657   char *infotext;
6658 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6659 {
6660   {
6661     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6662     getScreenMenuButtonPos,
6663     SCREEN_CTRL_ID_PREV_LEVEL,
6664     SCREEN_MASK_MAIN,
6665     "last level"
6666   },
6667   {
6668     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6669     getScreenMenuButtonPos,
6670     SCREEN_CTRL_ID_NEXT_LEVEL,
6671     SCREEN_MASK_MAIN,
6672     "next level"
6673   },
6674   {
6675     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6676     getScreenMenuButtonPos,
6677     SCREEN_CTRL_ID_PREV_PLAYER,
6678     SCREEN_MASK_INPUT,
6679     "last player"
6680   },
6681   {
6682     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6683     getScreenMenuButtonPos,
6684     SCREEN_CTRL_ID_NEXT_PLAYER,
6685     SCREEN_MASK_INPUT,
6686     "next player"
6687   },
6688 };
6689
6690 static struct
6691 {
6692   int gfx_unpressed, gfx_pressed;
6693   int x, y;
6694   int gadget_id;
6695   char *infotext;
6696 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6697 {
6698   {
6699     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6700     -1, -1,     /* these values are not constant, but can change at runtime */
6701     SCREEN_CTRL_ID_SCROLL_UP,
6702     "scroll up"
6703   },
6704   {
6705     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6706     -1, -1,     /* these values are not constant, but can change at runtime */
6707     SCREEN_CTRL_ID_SCROLL_DOWN,
6708     "scroll down"
6709   }
6710 };
6711
6712 static struct
6713 {
6714   int gfx_unpressed, gfx_pressed;
6715   int x, y;
6716   int width, height;
6717   int type;
6718   int gadget_id;
6719   char *infotext;
6720 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6721 {
6722   {
6723     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6724     -1, -1,     /* these values are not constant, but can change at runtime */
6725     -1, -1,     /* these values are not constant, but can change at runtime */
6726     GD_TYPE_SCROLLBAR_VERTICAL,
6727     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6728     "scroll level series vertically"
6729   }
6730 };
6731
6732 static void CreateScreenMenubuttons()
6733 {
6734   struct GadgetInfo *gi;
6735   unsigned int event_mask;
6736   int i;
6737
6738   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6739   {
6740     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6741     int gfx_unpressed, gfx_pressed;
6742     int x, y, width, height;
6743     int gd_x1, gd_x2, gd_y1, gd_y2;
6744     int id = menubutton_info[i].gadget_id;
6745
6746     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6747
6748     menubutton_info[i].get_gadget_position(&x, &y, id);
6749
6750     width = SC_MENUBUTTON_XSIZE;
6751     height = SC_MENUBUTTON_YSIZE;
6752
6753     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6754     gfx_pressed   = menubutton_info[i].gfx_pressed;
6755     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6756     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6757     gd_x1 = graphic_info[gfx_unpressed].src_x;
6758     gd_y1 = graphic_info[gfx_unpressed].src_y;
6759     gd_x2 = graphic_info[gfx_pressed].src_x;
6760     gd_y2 = graphic_info[gfx_pressed].src_y;
6761
6762     gi = CreateGadget(GDI_CUSTOM_ID, id,
6763                       GDI_CUSTOM_TYPE_ID, i,
6764                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6765                       GDI_X, x,
6766                       GDI_Y, y,
6767                       GDI_WIDTH, width,
6768                       GDI_HEIGHT, height,
6769                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6770                       GDI_STATE, GD_BUTTON_UNPRESSED,
6771                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6772                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6773                       GDI_DIRECT_DRAW, FALSE,
6774                       GDI_EVENT_MASK, event_mask,
6775                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6776                       GDI_END);
6777
6778     if (gi == NULL)
6779       Error(ERR_EXIT, "cannot create gadget");
6780
6781     screen_gadget[id] = gi;
6782   }
6783 }
6784
6785 static void CreateScreenScrollbuttons()
6786 {
6787   struct GadgetInfo *gi;
6788   unsigned int event_mask;
6789   int i;
6790
6791   /* these values are not constant, but can change at runtime */
6792   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6793   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6794   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6795   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6796
6797   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6798   {
6799     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6800     int gfx_unpressed, gfx_pressed;
6801     int x, y, width, height;
6802     int gd_x1, gd_x2, gd_y1, gd_y2;
6803     int id = scrollbutton_info[i].gadget_id;
6804
6805     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6806
6807     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6808     y = mSY + scrollbutton_info[i].y;
6809     width = SC_SCROLLBUTTON_XSIZE;
6810     height = SC_SCROLLBUTTON_YSIZE;
6811
6812     /* correct scrollbar position if placed outside menu (playfield) area */
6813     if (x > SX + SC_SCROLL_UP_XPOS)
6814       x = SX + SC_SCROLL_UP_XPOS;
6815
6816     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6817       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6818                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6819
6820     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6821     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6822     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6823     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6824     gd_x1 = graphic_info[gfx_unpressed].src_x;
6825     gd_y1 = graphic_info[gfx_unpressed].src_y;
6826     gd_x2 = graphic_info[gfx_pressed].src_x;
6827     gd_y2 = graphic_info[gfx_pressed].src_y;
6828
6829     gi = CreateGadget(GDI_CUSTOM_ID, id,
6830                       GDI_CUSTOM_TYPE_ID, i,
6831                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6832                       GDI_X, x,
6833                       GDI_Y, y,
6834                       GDI_WIDTH, width,
6835                       GDI_HEIGHT, height,
6836                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6837                       GDI_STATE, GD_BUTTON_UNPRESSED,
6838                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6839                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6840                       GDI_DIRECT_DRAW, FALSE,
6841                       GDI_EVENT_MASK, event_mask,
6842                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6843                       GDI_END);
6844
6845     if (gi == NULL)
6846       Error(ERR_EXIT, "cannot create gadget");
6847
6848     screen_gadget[id] = gi;
6849   }
6850 }
6851
6852 static void CreateScreenScrollbars()
6853 {
6854   int i;
6855
6856   /* these values are not constant, but can change at runtime */
6857   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6858   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6859   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6860   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6861
6862   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6863   {
6864     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6865     int gfx_unpressed, gfx_pressed;
6866     int x, y, width, height;
6867     int gd_x1, gd_x2, gd_y1, gd_y2;
6868     struct GadgetInfo *gi;
6869     int items_max, items_visible, item_position;
6870     unsigned int event_mask;
6871     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6872     int id = scrollbar_info[i].gadget_id;
6873
6874     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6875
6876     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6877     y = mSY + scrollbar_info[i].y;
6878     width  = scrollbar_info[i].width;
6879     height = scrollbar_info[i].height;
6880
6881     /* correct scrollbar position if placed outside menu (playfield) area */
6882     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6883       x = SX + SC_SCROLL_VERTICAL_XPOS;
6884
6885     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6886       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6887
6888     items_max = num_page_entries;
6889     items_visible = num_page_entries;
6890     item_position = 0;
6891
6892     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6893     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6894     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6895     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6896     gd_x1 = graphic_info[gfx_unpressed].src_x;
6897     gd_y1 = graphic_info[gfx_unpressed].src_y;
6898     gd_x2 = graphic_info[gfx_pressed].src_x;
6899     gd_y2 = graphic_info[gfx_pressed].src_y;
6900
6901     gi = CreateGadget(GDI_CUSTOM_ID, id,
6902                       GDI_CUSTOM_TYPE_ID, i,
6903                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6904                       GDI_X, x,
6905                       GDI_Y, y,
6906                       GDI_WIDTH, width,
6907                       GDI_HEIGHT, height,
6908                       GDI_TYPE, scrollbar_info[i].type,
6909                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6910                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6911                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6912                       GDI_WHEEL_AREA_X, SX,
6913                       GDI_WHEEL_AREA_Y, SY,
6914                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6915                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6916                       GDI_STATE, GD_BUTTON_UNPRESSED,
6917                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6918                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6919                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6920                       GDI_DIRECT_DRAW, FALSE,
6921                       GDI_EVENT_MASK, event_mask,
6922                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6923                       GDI_END);
6924
6925     if (gi == NULL)
6926       Error(ERR_EXIT, "cannot create gadget");
6927
6928     screen_gadget[id] = gi;
6929   }
6930 }
6931
6932 void CreateScreenGadgets()
6933 {
6934   CreateScreenMenubuttons();
6935
6936   CreateScreenScrollbuttons();
6937   CreateScreenScrollbars();
6938 }
6939
6940 void FreeScreenGadgets()
6941 {
6942   int i;
6943
6944   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6945     FreeGadget(screen_gadget[i]);
6946 }
6947
6948 void MapScreenMenuGadgets(int screen_mask)
6949 {
6950   int i;
6951
6952   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6953     if (screen_mask & menubutton_info[i].screen_mask)
6954       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6955 }
6956
6957 void MapScreenGadgets(int num_entries)
6958 {
6959   int i;
6960
6961   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6962     return;
6963
6964   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6965     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6966
6967   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6968     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6969 }
6970
6971 void MapScreenTreeGadgets(TreeInfo *ti)
6972 {
6973   MapScreenGadgets(numTreeInfoInGroup(ti));
6974 }
6975
6976 static void HandleScreenGadgets(struct GadgetInfo *gi)
6977 {
6978   int id = gi->custom_id;
6979   int button = gi->event.button;
6980   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6981
6982   switch (id)
6983   {
6984     case SCREEN_CTRL_ID_PREV_LEVEL:
6985       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6986       break;
6987
6988     case SCREEN_CTRL_ID_NEXT_LEVEL:
6989       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6990       break;
6991
6992     case SCREEN_CTRL_ID_PREV_PLAYER:
6993       HandleSetupScreen_Input_Player(step, -1);
6994       break;
6995
6996     case SCREEN_CTRL_ID_NEXT_PLAYER:
6997       HandleSetupScreen_Input_Player(step, +1);
6998       break;
6999
7000     case SCREEN_CTRL_ID_SCROLL_UP:
7001       if (game_status == GAME_MODE_LEVELS)
7002         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7003       else if (game_status == GAME_MODE_LEVELNR)
7004         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7005       else if (game_status == GAME_MODE_SETUP)
7006         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7007       else if (game_status == GAME_MODE_INFO)
7008         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7009       break;
7010
7011     case SCREEN_CTRL_ID_SCROLL_DOWN:
7012       if (game_status == GAME_MODE_LEVELS)
7013         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7014       else if (game_status == GAME_MODE_LEVELNR)
7015         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7016       else if (game_status == GAME_MODE_SETUP)
7017         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7018       else if (game_status == GAME_MODE_INFO)
7019         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7020       break;
7021
7022     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7023       if (game_status == GAME_MODE_LEVELS)
7024         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7025       else if (game_status == GAME_MODE_LEVELNR)
7026         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7027       else if (game_status == GAME_MODE_SETUP)
7028         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7029       else if (game_status == GAME_MODE_INFO)
7030         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7031       break;
7032
7033     default:
7034       break;
7035   }
7036 }