src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "cartoons.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26 /* screens on the info screen */
  27 #define INFO_MODE_MAIN                  0
  28 #define INFO_MODE_TITLE                 1
  29 #define INFO_MODE_ELEMENTS              2
  30 #define INFO_MODE_MUSIC                 3
  31 #define INFO_MODE_CREDITS               4
  32 #define INFO_MODE_PROGRAM               5
  33 #define INFO_MODE_VERSION               6
  34 #define INFO_MODE_LEVELSET              7
  35
  36 #define MAX_INFO_MODES                  8
  37
  38 /* screens on the setup screen */
  39 /* (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h) */
  40 /* (should also match corresponding entries in src/conf_gfx.c) */
  41 #define SETUP_MODE_MAIN                 0
  42 #define SETUP_MODE_GAME                 1
  43 #define SETUP_MODE_EDITOR               2
  44 #define SETUP_MODE_GRAPHICS             3
  45 #define SETUP_MODE_SOUND                4
  46 #define SETUP_MODE_ARTWORK              5
  47 #define SETUP_MODE_INPUT                6
  48 #define SETUP_MODE_TOUCH                7
  49 #define SETUP_MODE_SHORTCUTS            8
  50 #define SETUP_MODE_SHORTCUTS_1          9
  51 #define SETUP_MODE_SHORTCUTS_2          10
  52 #define SETUP_MODE_SHORTCUTS_3          11
  53 #define SETUP_MODE_SHORTCUTS_4          12
  54 #define SETUP_MODE_SHORTCUTS_5          13
  55
  56 /* sub-screens on the setup screen (generic) */
  57 #define SETUP_MODE_CHOOSE_ARTWORK       14
  58 #define SETUP_MODE_CHOOSE_OTHER         15
  59
  60 /* sub-screens on the setup screen (specific) */
  61 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  62 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  63 #define SETUP_MODE_CHOOSE_SCREEN_MODE   18
  64 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   19
  65 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
  66 #define SETUP_MODE_CHOOSE_GRAPHICS      21
  67 #define SETUP_MODE_CHOOSE_SOUNDS        22
  68 #define SETUP_MODE_CHOOSE_MUSIC         23
  69 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 24
  70 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  25
  71 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  26
  72 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 27
  73 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 28
  74 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 29
  75
  76 #define MAX_SETUP_MODES                 30
  77
  78 /* for input setup functions */
  79 #define SETUPINPUT_SCREEN_POS_START     0
  80 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  81 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  82 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  83
  84 /* for various menu stuff  */
  85 #define MENU_SCREEN_START_XPOS          1
  86 #define MENU_SCREEN_START_YPOS          2
  87 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
  88 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
  89 #define MENU_TITLE1_YPOS                8
  90 #define MENU_TITLE2_YPOS                46
  91 #define MENU_SCREEN_INFO_XSTART         16
  92 #define MENU_SCREEN_INFO_YSTART1        100
  93 #define MENU_SCREEN_INFO_YSTART2        128
  94 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
  95 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - 20)
  96 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
  97                                          MENU_SCREEN_INFO_YSTART2 -     \
  98                                          TILEY / 2)
  99 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 100 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MENU_SCREEN_INFO_YSIZE /    \
 101                                             MENU_SCREEN_INFO_YSTEP,     \
 102                                             MAX_INFO_ELEMENTS_ON_SCREEN)
 103 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 104 #define MAX_MENU_TEXT_LENGTH_BIG        13
 105 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 106
 107 /* buttons and scrollbars identifiers */
 108 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 109 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 110 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 111 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 112 #define SCREEN_CTRL_ID_SCROLL_UP        4
 113 #define SCREEN_CTRL_ID_SCROLL_DOWN      5
 114 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  6
 115
 116 #define NUM_SCREEN_GADGETS              7
 117
 118 #define NUM_SCREEN_MENUBUTTONS          4
 119 #define NUM_SCREEN_SCROLLBUTTONS        2
 120 #define NUM_SCREEN_SCROLLBARS           1
 121
 122 #define SCREEN_MASK_MAIN                (1 << 0)
 123 #define SCREEN_MASK_INPUT               (1 << 1)
 124
 125 /* graphic position and size values for buttons and scrollbars */
 126 #define SC_MENUBUTTON_XSIZE             TILEX
 127 #define SC_MENUBUTTON_YSIZE             TILEY
 128
 129 #define SC_SCROLLBUTTON_XSIZE           TILEX
 130 #define SC_SCROLLBUTTON_YSIZE           TILEY
 131
 132 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 133
 134 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 135 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 136                                          SC_SCROLLBUTTON_YSIZE)
 137
 138 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 139 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 140
 141 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 142 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 143                                          SC_SCROLLBUTTON_YSIZE)
 144
 145 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 146 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 147                                          SC_SCROLL_VERTICAL_YSIZE)
 148
 149 #define SC_BORDER_SIZE                  14
 150
 151
 152 /* forward declarations of internal functions */
 153 static void HandleScreenGadgets(struct GadgetInfo *);
 154 static void HandleSetupScreen_Generic(int, int, int, int, int);
 155 static void HandleSetupScreen_Input(int, int, int, int, int);
 156 static void CustomizeKeyboard(int);
 157 static void CalibrateJoystick(int);
 158 static void execSetupGame(void);
 159 static void execSetupGraphics(void);
 160 static void execSetupSound(void);
 161 static void execSetupTouch(void);
 162 static void execSetupArtwork(void);
 163 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 164
 165 static void DrawChooseLevelSet(void);
 166 static void DrawChooseLevelNr(void);
 167 static void DrawInfoScreen(void);
 168 static void DrawAndFadeInInfoScreen(int);
 169 static void DrawSetupScreen(void);
 170
 171 static void DrawInfoScreenExt(int, int);
 172 static void DrawInfoScreen_NotAvailable(char *, char *);
 173 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 174 static void DrawInfoScreen_HelpText(int, int, int, int);
 175 static void HandleInfoScreen_Main(int, int, int, int, int);
 176 static void HandleInfoScreen_TitleScreen(int);
 177 static void HandleInfoScreen_Elements(int);
 178 static void HandleInfoScreen_Music(int);
 179 static void HandleInfoScreen_Credits(int);
 180 static void HandleInfoScreen_Program(int);
 181 static void HandleInfoScreen_Version(int);
 182
 183 static void MapScreenMenuGadgets(int);
 184 static void MapScreenGadgets(int);
 185 static void MapScreenTreeGadgets(TreeInfo *);
 186
 187 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 188
 189 static int info_mode = INFO_MODE_MAIN;
 190 static int setup_mode = SETUP_MODE_MAIN;
 191
 192 static TreeInfo *screen_modes = NULL;
 193 static TreeInfo *screen_mode_current = NULL;
 194
 195 static TreeInfo *window_sizes = NULL;
 196 static TreeInfo *window_size_current = NULL;
 197
 198 static TreeInfo *scaling_types = NULL;
 199 static TreeInfo *scaling_type_current = NULL;
 200
 201 static TreeInfo *scroll_delays = NULL;
 202 static TreeInfo *scroll_delay_current = NULL;
 203
 204 static TreeInfo *game_speeds = NULL;
 205 static TreeInfo *game_speed_current = NULL;
 206
 207 static TreeInfo *volumes_simple = NULL;
 208 static TreeInfo *volume_simple_current = NULL;
 209
 210 static TreeInfo *volumes_loops = NULL;
 211 static TreeInfo *volume_loops_current = NULL;
 212
 213 static TreeInfo *volumes_music = NULL;
 214 static TreeInfo *volume_music_current = NULL;
 215
 216 static TreeInfo *touch_controls = NULL;
 217 static TreeInfo *touch_control_current = NULL;
 218
 219 static TreeInfo *move_distances = NULL;
 220 static TreeInfo *move_distance_current = NULL;
 221
 222 static TreeInfo *drop_distances = NULL;
 223 static TreeInfo *drop_distance_current = NULL;
 224
 225 static TreeInfo *level_number = NULL;
 226 static TreeInfo *level_number_current = NULL;
 227
 228 static struct
 229 {
 230   int value;
 231   char *text;
 232 } window_sizes_list[] =
 233 {
 234   {     50,     "50 %"                          },
 235   {     80,     "80 %"                          },
 236   {     90,     "90 %"                          },
 237   {     100,    "100 % (Default)"               },
 238   {     110,    "110 %"                         },
 239   {     120,    "120 %"                         },
 240   {     130,    "130 %"                         },
 241   {     140,    "140 %"                         },
 242   {     150,    "150 %"                         },
 243   {     200,    "200 %"                         },
 244   {     250,    "250 %"                         },
 245   {     300,    "300 %"                         },
 246
 247   {     -1,     NULL                            },
 248 };
 249
 250 static struct
 251 {
 252   char *value;
 253   char *text;
 254 } scaling_types_list[] =
 255 {
 256   {     SCALING_QUALITY_NEAREST, "None"         },
 257   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 258   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 259
 260   {     NULL,                    NULL           },
 261 };
 262
 263 static struct
 264 {
 265   int value;
 266   char *text;
 267 } game_speeds_list[] =
 268 {
 269 #if 1
 270   {     30,     "Very Slow"                     },
 271   {     25,     "Slow"                          },
 272   {     20,     "Normal"                        },
 273   {     15,     "Fast"                          },
 274   {     10,     "Very Fast"                     },
 275 #else
 276   {     1000,   "1/1s (Extremely Slow)"         },
 277   {     500,    "1/2s"                          },
 278   {     200,    "1/5s"                          },
 279   {     100,    "1/10s"                         },
 280   {     50,     "1/20s"                         },
 281   {     29,     "1/35s (Original Supaplex)"     },
 282   {     25,     "1/40s"                         },
 283   {     20,     "1/50s (Normal Speed)"          },
 284   {     14,     "1/70s (Maximum Supaplex)"      },
 285   {     10,     "1/100s"                        },
 286   {     5,      "1/200s"                        },
 287   {     2,      "1/500s"                        },
 288   {     1,      "1/1000s (Extremely Fast)"      },
 289 #endif
 290
 291   {     -1,     NULL                            },
 292 };
 293
 294 static struct
 295 {
 296   int value;
 297   char *text;
 298 } scroll_delays_list[] =
 299 {
 300   {     0,      "0 Tiles (No Scroll Delay)"     },
 301   {     1,      "1 Tile"                        },
 302   {     2,      "2 Tiles"                       },
 303   {     3,      "3 Tiles (Default)"             },
 304   {     4,      "4 Tiles"                       },
 305   {     5,      "5 Tiles"                       },
 306   {     6,      "6 Tiles"                       },
 307   {     7,      "7 Tiles"                       },
 308   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 309
 310   {     -1,     NULL                            },
 311 };
 312
 313 static struct
 314 {
 315   int value;
 316   char *text;
 317 } volumes_list[] =
 318 {
 319   {     0,      "0 %"                           },
 320   {     10,     "10 %"                          },
 321   {     20,     "20 %"                          },
 322   {     30,     "30 %"                          },
 323   {     40,     "40 %"                          },
 324   {     50,     "50 %"                          },
 325   {     60,     "60 %"                          },
 326   {     70,     "70 %"                          },
 327   {     80,     "80 %"                          },
 328   {     90,     "90 %"                          },
 329   {     100,    "100 %"                         },
 330
 331   {     -1,     NULL                            },
 332 };
 333
 334 static struct
 335 {
 336   char *value;
 337   char *text;
 338 } touch_controls_list[] =
 339 {
 340   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 341   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 342
 343   {     NULL,                           NULL                    },
 344 };
 345
 346 static struct
 347 {
 348   int value;
 349   char *text;
 350 } distances_list[] =
 351 {
 352   {     1,      "1 %"                           },
 353   {     2,      "2 %"                           },
 354   {     3,      "3 %"                           },
 355   {     4,      "4 %"                           },
 356   {     5,      "5 %"                           },
 357   {     10,     "10 %"                          },
 358   {     15,     "15 %"                          },
 359   {     20,     "20 %"                          },
 360   {     25,     "25 %"                          },
 361
 362   {     -1,     NULL                            },
 363 };
 364
 365 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 366                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 367                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 368                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 369
 370 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 371 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 372                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 373                                  INFO_MODE_MAIN)
 374
 375 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 376                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 377                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 378                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 379                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 380                                  SETUP_MODE_CHOOSE_OTHER)
 381
 382 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 383                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 384                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 385 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 386                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 387                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 388
 389 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 390                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 391                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 392 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 393                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 394                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 395
 396 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 397                                  DRAW_XOFFSET_INFO(info_mode) :         \
 398                                  (s) == GAME_MODE_SETUP ?               \
 399                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 400                                  menu.draw_xoffset[DRAW_MODE(s)])
 401 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 402                                  DRAW_YOFFSET_INFO(info_mode) :         \
 403                                  (s) == GAME_MODE_SETUP ?               \
 404                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 405                                  menu.draw_yoffset[DRAW_MODE(s)])
 406
 407 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 408 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 409
 410 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 411                                     menu.list_size[game_status] :       \
 412                                     MAX_MENU_ENTRIES_ON_SCREEN)
 413
 414 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 415                                          NUM_MENU_ENTRIES_ON_SCREEN)
 416
 417
 418 /* title display and control definitions */
 419
 420 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 421                                  2 * MAX_NUM_TITLE_MESSAGES)
 422
 423 #define NO_DIRECT_LEVEL_SELECT  (-1)
 424
 425
 426 static int num_title_screens = 0;
 427
 428 struct TitleControlInfo
 429 {
 430   boolean is_image;
 431   boolean initial;
 432   int local_nr;
 433   int sort_priority;
 434 };
 435
 436 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 437
 438 /* main menu display and control definitions */
 439
 440 #define MAIN_CONTROL_NAME                       0
 441 #define MAIN_CONTROL_LEVELS                     1
 442 #define MAIN_CONTROL_SCORES                     2
 443 #define MAIN_CONTROL_EDITOR                     3
 444 #define MAIN_CONTROL_INFO                       4
 445 #define MAIN_CONTROL_GAME                       5
 446 #define MAIN_CONTROL_SETUP                      6
 447 #define MAIN_CONTROL_QUIT                       7
 448 #define MAIN_CONTROL_PREV_LEVEL                 8
 449 #define MAIN_CONTROL_NEXT_LEVEL                 9
 450 #define MAIN_CONTROL_FIRST_LEVEL                10
 451 #define MAIN_CONTROL_LAST_LEVEL                 11
 452 #define MAIN_CONTROL_LEVEL_NUMBER               12
 453 #define MAIN_CONTROL_LEVEL_INFO_1               13
 454 #define MAIN_CONTROL_LEVEL_INFO_2               14
 455 #define MAIN_CONTROL_LEVEL_NAME                 15
 456 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 457 #define MAIN_CONTROL_LEVEL_YEAR                 17
 458 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 459 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 460 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 461 #define MAIN_CONTROL_TITLE_1                    21
 462 #define MAIN_CONTROL_TITLE_2                    22
 463 #define MAIN_CONTROL_TITLE_3                    23
 464
 465 static char str_main_text_name[10];
 466 static char str_main_text_first_level[10];
 467 static char str_main_text_last_level[10];
 468 static char str_main_text_level_number[10];
 469
 470 static char *main_text_name                     = str_main_text_name;
 471 static char *main_text_first_level              = str_main_text_first_level;
 472 static char *main_text_last_level               = str_main_text_last_level;
 473 static char *main_text_level_number             = str_main_text_level_number;
 474 static char *main_text_levels                   = "Levelset";
 475 static char *main_text_scores                   = "Hall Of Fame";
 476 static char *main_text_editor                   = "Level Creator";
 477 static char *main_text_info                     = "Info Screen";
 478 static char *main_text_game                     = "Start Game";
 479 static char *main_text_setup                    = "Setup";
 480 static char *main_text_quit                     = "Quit";
 481 static char *main_text_level_name               = level.name;
 482 static char *main_text_level_author             = level.author;
 483 static char *main_text_level_year               = NULL;
 484 static char *main_text_level_imported_from      = NULL;
 485 static char *main_text_level_imported_by        = NULL;
 486 static char *main_text_level_tested_by          = NULL;
 487 static char *main_text_title_1                  = PROGRAM_TITLE_STRING;
 488 static char *main_text_title_2                  = PROGRAM_COPYRIGHT_STRING;
 489 static char *main_text_title_3                  = PROGRAM_GAME_BY_STRING;
 490
 491 struct MainControlInfo
 492 {
 493   int nr;
 494
 495   struct MenuPosInfo *pos_button;
 496   int button_graphic;
 497
 498   struct TextPosInfo *pos_text;
 499   char **text;
 500
 501   struct TextPosInfo *pos_input;
 502   char **input;
 503 };
 504
 505 static struct MainControlInfo main_controls[] =
 506 {
 507   {
 508     MAIN_CONTROL_NAME,
 509     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 510     &menu.main.text.name,               &main_text_name,
 511     &menu.main.input.name,              &setup.player_name,
 512   },
 513   {
 514     MAIN_CONTROL_LEVELS,
 515     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 516     &menu.main.text.levels,             &main_text_levels,
 517     NULL,                               NULL,
 518   },
 519   {
 520     MAIN_CONTROL_SCORES,
 521     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 522     &menu.main.text.scores,             &main_text_scores,
 523     NULL,                               NULL,
 524   },
 525   {
 526     MAIN_CONTROL_EDITOR,
 527     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 528     &menu.main.text.editor,             &main_text_editor,
 529     NULL,                               NULL,
 530   },
 531   {
 532     MAIN_CONTROL_INFO,
 533     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 534     &menu.main.text.info,               &main_text_info,
 535     NULL,                               NULL,
 536   },
 537   {
 538     MAIN_CONTROL_GAME,
 539     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 540     &menu.main.text.game,               &main_text_game,
 541     NULL,                               NULL,
 542   },
 543   {
 544     MAIN_CONTROL_SETUP,
 545     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 546     &menu.main.text.setup,              &main_text_setup,
 547     NULL,                               NULL,
 548   },
 549   {
 550     MAIN_CONTROL_QUIT,
 551     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 552     &menu.main.text.quit,               &main_text_quit,
 553     NULL,                               NULL,
 554   },
 555 #if 0
 556   /* (these two buttons are real gadgets) */
 557   {
 558     MAIN_CONTROL_PREV_LEVEL,
 559     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 560     NULL,                               NULL,
 561     NULL,                               NULL,
 562   },
 563   {
 564     MAIN_CONTROL_NEXT_LEVEL,
 565     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 566     NULL,                               NULL,
 567     NULL,                               NULL,
 568   },
 569 #endif
 570   {
 571     MAIN_CONTROL_FIRST_LEVEL,
 572     NULL,                               -1,
 573     &menu.main.text.first_level,        &main_text_first_level,
 574     NULL,                               NULL,
 575   },
 576   {
 577     MAIN_CONTROL_LAST_LEVEL,
 578     NULL,                               -1,
 579     &menu.main.text.last_level,         &main_text_last_level,
 580     NULL,                               NULL,
 581   },
 582   {
 583     MAIN_CONTROL_LEVEL_NUMBER,
 584     NULL,                               -1,
 585     &menu.main.text.level_number,       &main_text_level_number,
 586     NULL,                               NULL,
 587   },
 588   {
 589     MAIN_CONTROL_LEVEL_INFO_1,
 590     NULL,                               -1,
 591     &menu.main.text.level_info_1,       NULL,
 592     NULL,                               NULL,
 593   },
 594   {
 595     MAIN_CONTROL_LEVEL_INFO_2,
 596     NULL,                               -1,
 597     &menu.main.text.level_info_2,       NULL,
 598     NULL,                               NULL,
 599   },
 600   {
 601     MAIN_CONTROL_LEVEL_NAME,
 602     NULL,                               -1,
 603     &menu.main.text.level_name,         &main_text_level_name,
 604     NULL,                               NULL,
 605   },
 606   {
 607     MAIN_CONTROL_LEVEL_AUTHOR,
 608     NULL,                               -1,
 609     &menu.main.text.level_author,       &main_text_level_author,
 610     NULL,                               NULL,
 611   },
 612   {
 613     MAIN_CONTROL_LEVEL_YEAR,
 614     NULL,                               -1,
 615     &menu.main.text.level_year,         &main_text_level_year,
 616     NULL,                               NULL,
 617   },
 618   {
 619     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 620     NULL,                               -1,
 621     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 622     NULL,                               NULL,
 623   },
 624   {
 625     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 626     NULL,                               -1,
 627     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 628     NULL,                               NULL,
 629   },
 630   {
 631     MAIN_CONTROL_LEVEL_TESTED_BY,
 632     NULL,                               -1,
 633     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 634     NULL,                               NULL,
 635   },
 636   {
 637     MAIN_CONTROL_TITLE_1,
 638     NULL,                               -1,
 639     &menu.main.text.title_1,            &main_text_title_1,
 640     NULL,                               NULL,
 641   },
 642   {
 643     MAIN_CONTROL_TITLE_2,
 644     NULL,                               -1,
 645     &menu.main.text.title_2,            &main_text_title_2,
 646     NULL,                               NULL,
 647   },
 648   {
 649     MAIN_CONTROL_TITLE_3,
 650     NULL,                               -1,
 651     &menu.main.text.title_3,            &main_text_title_3,
 652     NULL,                               NULL,
 653   },
 654
 655   {
 656     -1,
 657     NULL,                               -1,
 658     NULL,                               NULL,
 659     NULL,                               NULL,
 660   }
 661 };
 662
 663
 664 static int getTitleScreenGraphic(int nr, boolean initial)
 665 {
 666   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 667 }
 668
 669 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 670 {
 671   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 672 }
 673
 674 #if 0
 675 static int getTitleScreenGameMode(boolean initial)
 676 {
 677   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 678 }
 679 #endif
 680
 681 static int getTitleMessageGameMode(boolean initial)
 682 {
 683   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 684 }
 685
 686 #if 0
 687 static int getTitleScreenBackground(boolean initial)
 688 {
 689   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 690 }
 691 #endif
 692
 693 #if 0
 694 static int getTitleMessageBackground(int nr, boolean initial)
 695 {
 696   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 697 }
 698 #endif
 699
 700 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 701 {
 702   int base = (is_image ?
 703               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 704                          IMG_BACKGROUND_TITLESCREEN_1) :
 705               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 706                          IMG_BACKGROUND_TITLEMESSAGE_1));
 707   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 708                                   IMG_BACKGROUND_TITLE);
 709   int graphic_local = base + nr;
 710
 711   if (graphic_info[graphic_local].bitmap != NULL)
 712     return graphic_local;
 713
 714   if (graphic_info[graphic_global].bitmap != NULL)
 715     return graphic_global;
 716
 717   return IMG_UNDEFINED;
 718 }
 719
 720 static int getTitleSound(struct TitleControlInfo *tci)
 721 {
 722   boolean is_image = tci->is_image;
 723   int initial = tci->initial;
 724   int nr = tci->local_nr;
 725   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 726   int base = (is_image ?
 727               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 728                          SND_BACKGROUND_TITLESCREEN_1) :
 729               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 730                          SND_BACKGROUND_TITLEMESSAGE_1));
 731   int sound_global = menu.sound[mode];
 732   int sound_local = base + nr;
 733
 734 #if 0
 735   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 736          nr, initial, is_image,
 737          sound_global, getSoundListEntry(sound_global)->filename,
 738          sound_local, getSoundListEntry(sound_local)->filename);
 739 #endif
 740
 741   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 742     return sound_local;
 743
 744   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 745     return sound_global;
 746
 747   return SND_UNDEFINED;
 748 }
 749
 750 static int getTitleMusic(struct TitleControlInfo *tci)
 751 {
 752   boolean is_image = tci->is_image;
 753   int initial = tci->initial;
 754   int nr = tci->local_nr;
 755   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 756   int base = (is_image ?
 757               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 758                          MUS_BACKGROUND_TITLESCREEN_1) :
 759               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 760                          MUS_BACKGROUND_TITLEMESSAGE_1));
 761   int music_global = menu.music[mode];
 762   int music_local = base + nr;
 763
 764 #if 0
 765   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 766          nr, initial, is_image,
 767          music_global, getMusicListEntry(music_global)->filename,
 768          music_local, getMusicListEntry(music_local)->filename);
 769 #endif
 770
 771   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 772     return music_local;
 773
 774   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 775     return music_global;
 776
 777   return MUS_UNDEFINED;
 778 }
 779
 780 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 781 {
 782   boolean is_image = tci->is_image;
 783   int initial = tci->initial;
 784   int nr = tci->local_nr;
 785   struct TitleFadingInfo ti;
 786
 787   if (is_image)
 788   {
 789     int graphic = getTitleScreenGraphic(nr, initial);
 790
 791     /* initialize fading control values to default title config settings */
 792     ti = (initial ? title_initial_default : title_default);
 793
 794     /* override default settings with image config settings, if defined */
 795     if (graphic_info[graphic].fade_mode != FADE_MODE_DEFAULT)
 796       ti.fade_mode = graphic_info[graphic].fade_mode;
 797     if (graphic_info[graphic].fade_delay > -1)
 798       ti.fade_delay = graphic_info[graphic].fade_delay;
 799     if (graphic_info[graphic].post_delay > -1)
 800       ti.post_delay = graphic_info[graphic].post_delay;
 801     if (graphic_info[graphic].auto_delay > -1)
 802       ti.auto_delay = graphic_info[graphic].auto_delay;
 803   }
 804   else
 805   {
 806     if (initial)
 807     {
 808       ti.fade_mode  = titlemessage_initial[nr].fade_mode;
 809       ti.fade_delay = titlemessage_initial[nr].fade_delay;
 810       ti.post_delay = titlemessage_initial[nr].post_delay;
 811       ti.auto_delay = titlemessage_initial[nr].auto_delay;
 812     }
 813     else
 814     {
 815       ti.fade_mode  = titlemessage[nr].fade_mode;
 816       ti.fade_delay = titlemessage[nr].fade_delay;
 817       ti.post_delay = titlemessage[nr].post_delay;
 818       ti.auto_delay = titlemessage[nr].auto_delay;
 819     }
 820   }
 821
 822   return ti;
 823 }
 824
 825 static int compareTitleControlInfo(const void *object1, const void *object2)
 826 {
 827   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 828   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 829   int compare_result;
 830
 831   if (tci1->initial != tci2->initial)
 832     compare_result = (tci1->initial ? -1 : +1);
 833   else if (tci1->sort_priority != tci2->sort_priority)
 834     compare_result = tci1->sort_priority - tci2->sort_priority;
 835   else if (tci1->is_image != tci2->is_image)
 836     compare_result = (tci1->is_image ? -1 : +1);
 837   else
 838     compare_result = tci1->local_nr - tci2->local_nr;
 839
 840   return compare_result;
 841 }
 842
 843 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 844                                                     boolean initial,
 845                                                     int nr, int sort_priority)
 846 {
 847   title_controls[num_title_screens].is_image = is_image;
 848   title_controls[num_title_screens].initial = initial;
 849   title_controls[num_title_screens].local_nr = nr;
 850   title_controls[num_title_screens].sort_priority = sort_priority;
 851
 852   num_title_screens++;
 853 }
 854
 855 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 856 {
 857   int i;
 858
 859   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 860   {
 861     int graphic = getTitleScreenGraphic(i, initial);
 862     Bitmap *bitmap = graphic_info[graphic].bitmap;
 863     int sort_priority = graphic_info[graphic].sort_priority;
 864
 865     if (bitmap != NULL)
 866       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 867   }
 868
 869   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 870   {
 871     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 872     char *filename = getLevelSetTitleMessageFilename(i, initial);
 873     int sort_priority = tmi->sort_priority;
 874
 875     if (filename != NULL)
 876       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 877   }
 878 }
 879
 880 static void InitializeTitleControls(boolean show_title_initial)
 881 {
 882   num_title_screens = 0;
 883
 884   /* 1st step: initialize title screens for game start (only when starting) */
 885   if (show_title_initial)
 886     InitializeTitleControls_CheckTitleInfo(TRUE);
 887
 888   /* 2nd step: initialize title screens for current level set */
 889   InitializeTitleControls_CheckTitleInfo(FALSE);
 890
 891   /* sort title screens according to sort_priority and title number */
 892   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 893         compareTitleControlInfo);
 894 }
 895
 896 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 897 {
 898   return (pos != NULL && pos->x != -1 && pos->y != -1);
 899 }
 900
 901 static boolean visibleTextPos(struct TextPosInfo *pos)
 902 {
 903   return (pos != NULL && pos->x != -1 && pos->y != -1);
 904 }
 905
 906 static void InitializeMainControls()
 907 {
 908   boolean local_team_mode = (!options.network && setup.team_mode);
 909   int i;
 910
 911   /* set main control text values to dynamically determined values */
 912   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 913
 914   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 915                                          menu.main.text.first_level.size));
 916   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 917                                          menu.main.text.last_level.size));
 918   strcpy(main_text_level_number, int2str(level_nr,
 919                                          menu.main.text.level_number.size));
 920
 921   main_text_level_year          = leveldir_current->year;
 922   main_text_level_imported_from = leveldir_current->imported_from;
 923   main_text_level_imported_by   = leveldir_current->imported_by;
 924   main_text_level_tested_by     = leveldir_current->tested_by;
 925
 926   /* set main control screen positions to dynamically determined values */
 927   for (i = 0; main_controls[i].nr != -1; i++)
 928   {
 929     struct MainControlInfo *mci = &main_controls[i];
 930     int nr                         = mci->nr;
 931     struct MenuPosInfo *pos_button = mci->pos_button;
 932     struct TextPosInfo *pos_text   = mci->pos_text;
 933     struct TextPosInfo *pos_input  = mci->pos_input;
 934     char *text                     = (mci->text  ? *mci->text  : NULL);
 935     char *input                    = (mci->input ? *mci->input : NULL);
 936     int button_graphic             = mci->button_graphic;
 937     int font_text                  = (pos_text  ? pos_text->font  : -1);
 938     int font_input                 = (pos_input ? pos_input->font : -1);
 939
 940     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 941     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 942     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 943     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 944     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 945     int input_chars = (input != NULL ? strlen(input) : 0);
 946
 947     int button_width =
 948       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 949     int button_height =
 950       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 951     int text_width   = font_text_width * text_chars;
 952     int text_height  = font_text_height;
 953     int input_width  = font_input_width * input_chars;
 954     int input_height = font_input_height;
 955
 956     if (nr == MAIN_CONTROL_NAME)
 957     {
 958       menu.main.input.name.width  = input_width;
 959       menu.main.input.name.height = input_height;
 960     }
 961
 962     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
 963     {
 964       pos_button->width  = button_width;
 965       pos_button->height = button_height;
 966     }
 967
 968     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
 969     {
 970       /* calculate size for non-clickable text -- needed for text alignment */
 971       boolean calculate_text_size = (pos_button == NULL && text != NULL);
 972
 973       if (pos_text->width == -1 || calculate_text_size)
 974         pos_text->width = text_width;
 975       if (pos_text->height == -1 || calculate_text_size)
 976         pos_text->height = text_height;
 977
 978       if (visibleMenuPos(pos_button))
 979       {
 980         if (pos_text->x == -1)
 981           pos_text->x = pos_button->x + pos_button->width;
 982         if (pos_text->y == -1)
 983           pos_text->y =
 984             pos_button->y + (pos_button->height - pos_text->height) / 2;
 985       }
 986     }
 987
 988     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
 989     {
 990       if (visibleTextPos(pos_text))
 991       {
 992         if (pos_input->x == -1)
 993           pos_input->x = pos_text->x + pos_text->width;
 994         if (pos_input->y == -1)
 995           pos_input->y = pos_text->y;
 996       }
 997
 998       if (pos_input->width == -1)
 999         pos_input->width = input_width;
1000       if (pos_input->height == -1)
1001         pos_input->height = input_height;
1002     }
1003   }
1004 }
1005
1006 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1007                                        boolean active_input)
1008 {
1009   int i;
1010
1011   for (i = 0; main_controls[i].nr != -1; i++)
1012   {
1013     struct MainControlInfo *mci = &main_controls[i];
1014
1015     if (mci->nr == nr || nr == -1)
1016     {
1017       struct MenuPosInfo *pos_button = mci->pos_button;
1018       struct TextPosInfo *pos_text   = mci->pos_text;
1019       struct TextPosInfo *pos_input  = mci->pos_input;
1020       char *text                     = (mci->text  ? *mci->text  : NULL);
1021       char *input                    = (mci->input ? *mci->input : NULL);
1022       int button_graphic             = mci->button_graphic;
1023       int font_text                  = (pos_text  ? pos_text->font  : -1);
1024       int font_input                 = (pos_input ? pos_input->font : -1);
1025
1026       if (active_text)
1027       {
1028         button_graphic = BUTTON_ACTIVE(button_graphic);
1029         font_text = FONT_ACTIVE(font_text);
1030       }
1031
1032       if (active_input)
1033       {
1034         font_input = FONT_ACTIVE(font_input);
1035       }
1036
1037       if (visibleMenuPos(pos_button))
1038       {
1039         struct MenuPosInfo *pos = pos_button;
1040         int x = mSX + pos->x;
1041         int y = mSY + pos->y;
1042
1043         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1044         DrawFixedGraphicThruMaskExt(drawto, x, y, button_graphic, 0);
1045       }
1046
1047       if (visibleTextPos(pos_text) && text != NULL)
1048       {
1049         struct TextPosInfo *pos = pos_text;
1050         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1051         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1052
1053 #if 1
1054         /* (check why/if this is needed) */
1055         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1056 #endif
1057         DrawText(x, y, text, font_text);
1058       }
1059
1060       if (visibleTextPos(pos_input) && input != NULL)
1061       {
1062         struct TextPosInfo *pos = pos_input;
1063         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1064         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1065
1066 #if 1
1067         /* (check why/if this is needed) */
1068         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1069 #endif
1070         DrawText(x, y, input, font_input);
1071       }
1072     }
1073   }
1074 }
1075
1076 static void DrawCursorAndText_Main(int nr, boolean active_text)
1077 {
1078   DrawCursorAndText_Main_Ext(nr, active_text, FALSE);
1079 }
1080
1081 #if 0
1082 static void DrawCursorAndText_Main_Input(int nr, boolean active_text)
1083 {
1084   DrawCursorAndText_Main_Ext(nr, active_text, TRUE);
1085 }
1086 #endif
1087
1088 static struct MainControlInfo *getMainControlInfo(int nr)
1089 {
1090   int i;
1091
1092   for (i = 0; main_controls[i].nr != -1; i++)
1093     if (main_controls[i].nr == nr)
1094       return &main_controls[i];
1095
1096   return NULL;
1097 }
1098
1099 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1100 {
1101   if (rect == NULL)
1102     return FALSE;
1103
1104   int rect_x = ALIGNED_TEXT_XPOS(rect);
1105   int rect_y = ALIGNED_TEXT_YPOS(rect);
1106
1107   return (x >= rect_x && x < rect_x + rect->width &&
1108           y >= rect_y && y < rect_y + rect->height);
1109 }
1110
1111 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1112 {
1113   if (rect == NULL)
1114     return FALSE;
1115
1116   int rect_x = ALIGNED_TEXT_XPOS(rect);
1117   int rect_y = ALIGNED_TEXT_YPOS(rect);
1118
1119 #if 0
1120   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1121          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1122          (x >= rect_x && x < rect_x + rect->width &&
1123           y >= rect_y && y < rect_y + rect->height));
1124 #endif
1125
1126   return (x >= rect_x && x < rect_x + rect->width &&
1127           y >= rect_y && y < rect_y + rect->height);
1128 }
1129
1130 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1131 {
1132   static int cursor_array[MAX_LEV_FIELDY];
1133   int x = mSX + TILEX * xpos;
1134   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1135
1136   if (xpos == 0)
1137   {
1138     if (graphic != -1)
1139       cursor_array[ypos] = graphic;
1140     else
1141       graphic = cursor_array[ypos];
1142   }
1143
1144   if (active)
1145     graphic = BUTTON_ACTIVE(graphic);
1146
1147   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1148   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1149 }
1150
1151 static void initCursor(int ypos, int graphic)
1152 {
1153   drawCursorExt(0, ypos, FALSE, graphic);
1154 }
1155
1156 static void drawCursor(int ypos, boolean active)
1157 {
1158   drawCursorExt(0, ypos, active, -1);
1159 }
1160
1161 static void drawCursorXY(int xpos, int ypos, int graphic)
1162 {
1163   drawCursorExt(xpos, ypos, FALSE, graphic);
1164 }
1165
1166 static void drawChooseTreeCursor(int ypos, boolean active)
1167 {
1168   int last_game_status = game_status;   /* save current game status */
1169
1170   drawCursorExt(0, ypos, active, -1);
1171
1172   game_status = last_game_status;       /* restore current game status */
1173 }
1174
1175 void DrawHeadline()
1176 {
1177   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, PROGRAM_TITLE_STRING);
1178   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, PROGRAM_COPYRIGHT_STRING);
1179 }
1180
1181 int effectiveGameStatus()
1182 {
1183   if (game_status == GAME_MODE_INFO && info_mode == INFO_MODE_TITLE)
1184     return GAME_MODE_TITLE;
1185
1186   return game_status;
1187 }
1188
1189 void DrawTitleScreenImage(int nr, boolean initial)
1190 {
1191   int graphic = getTitleScreenGraphic(nr, initial);
1192   Bitmap *bitmap = graphic_info[graphic].bitmap;
1193   int width  = graphic_info[graphic].width;
1194   int height = graphic_info[graphic].height;
1195   int src_x = graphic_info[graphic].src_x;
1196   int src_y = graphic_info[graphic].src_y;
1197   int dst_x, dst_y;
1198
1199   if (bitmap == NULL)
1200     return;
1201
1202   if (width > WIN_XSIZE)
1203   {
1204     /* image width too large for window => center image horizontally */
1205     src_x = (width - WIN_XSIZE) / 2;
1206     width = WIN_XSIZE;
1207   }
1208
1209   if (height > WIN_YSIZE)
1210   {
1211     /* image height too large for window => center image vertically */
1212     src_y = (height - WIN_YSIZE) / 2;
1213     height = WIN_YSIZE;
1214   }
1215
1216   /* always display title screens centered */
1217   dst_x = (WIN_XSIZE - width) / 2;
1218   dst_y = (WIN_YSIZE - height) / 2;
1219
1220   SetDrawBackgroundMask(REDRAW_ALL);
1221   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1222
1223   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1224
1225   if (DrawingOnBackground(dst_x, dst_y))
1226     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1227   else
1228     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1229
1230   redraw_mask = REDRAW_ALL;
1231 }
1232
1233 void DrawTitleScreenMessage(int nr, boolean initial)
1234 {
1235   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1236   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1237   int last_game_status = game_status;   /* save current game status */
1238
1239   if (filename == NULL)
1240     return;
1241
1242   /* force TITLE font on title message screen */
1243   game_status = getTitleMessageGameMode(initial);
1244
1245   /* if chars set to "-1", automatically determine by text and font width */
1246   if (tmi->chars == -1)
1247     tmi->chars = tmi->width / getFontWidth(tmi->font);
1248   else
1249     tmi->width = tmi->chars * getFontWidth(tmi->font);
1250
1251   /* if lines set to "-1", automatically determine by text and font height */
1252   if (tmi->lines == -1)
1253     tmi->lines = tmi->height / getFontHeight(tmi->font);
1254   else
1255     tmi->height = tmi->lines * getFontHeight(tmi->font);
1256
1257   SetDrawBackgroundMask(REDRAW_ALL);
1258   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1259
1260   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1261
1262   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1263                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1264                tmi->autowrap, tmi->centered, tmi->parse_comments);
1265
1266   game_status = last_game_status;       /* restore current game status */
1267 }
1268
1269 void DrawTitleScreen()
1270 {
1271   KeyboardAutoRepeatOff();
1272
1273   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1274
1275   StopAnimation();
1276 }
1277
1278 boolean CheckTitleScreen(boolean levelset_has_changed)
1279 {
1280   static boolean show_title_initial = TRUE;
1281   boolean show_titlescreen = FALSE;
1282
1283   /* needed to be able to skip title screen, if no image or message defined */
1284   InitializeTitleControls(show_title_initial);
1285
1286   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1287     show_titlescreen = TRUE;
1288
1289   /* show initial title images and messages only once at program start */
1290   show_title_initial = FALSE;
1291
1292   return (show_titlescreen && num_title_screens > 0);
1293 }
1294
1295 void DrawMainMenuExt(int fade_mask, boolean do_fading)
1296 {
1297   static LevelDirTree *leveldir_last_valid = NULL;
1298   boolean levelset_has_changed = FALSE;
1299
1300   LimitScreenUpdates(FALSE);
1301
1302   FadeSetLeaveScreen();
1303
1304   /* do not fade out here -- function may continue and fade on editor screen */
1305
1306   UnmapAllGadgets();
1307   FadeSoundsAndMusic();
1308
1309   KeyboardAutoRepeatOn();
1310   ActivateJoystick();
1311
1312   audio.sound_deactivated = FALSE;
1313
1314   GetPlayerConfig();
1315
1316   /* needed if last screen was the playing screen, invoked from level editor */
1317   if (level_editor_test_game)
1318   {
1319     game_status = GAME_MODE_EDITOR;
1320     DrawLevelEd();
1321
1322     return;
1323   }
1324
1325   /* needed if last screen was the setup screen and fullscreen state changed */
1326   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1327   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1328
1329   /* leveldir_current may be invalid (level group, parent link) */
1330   if (!validLevelSeries(leveldir_current))
1331     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1332
1333   if (leveldir_current != leveldir_last_valid)
1334     levelset_has_changed = TRUE;
1335
1336   /* store valid level series information */
1337   leveldir_last_valid = leveldir_current;
1338
1339   init_last = init;                     /* switch to new busy animation */
1340
1341   /* needed if last screen (level choice) changed graphics, sounds or music */
1342   ReloadCustomArtwork(0);
1343
1344   if (redraw_mask & REDRAW_ALL)
1345     fade_mask = REDRAW_ALL;
1346
1347   FadeOut(fade_mask);
1348
1349   /* needed if different viewport properties defined for menues */
1350   ChangeViewportPropertiesIfNeeded();
1351
1352   /* needed if last screen was the editor screen */
1353   UndrawSpecialEditorDoor();
1354
1355   SetDrawtoField(DRAW_BACKBUFFER);
1356
1357   if (CheckTitleScreen(levelset_has_changed))
1358   {
1359     game_status = GAME_MODE_TITLE;
1360
1361     DrawTitleScreen();
1362
1363     return;
1364   }
1365
1366   /* level_nr may have been set to value over handicap with level editor */
1367   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1368     level_nr = leveldir_current->handicap_level;
1369
1370   LoadLevel(level_nr);
1371   LoadScore(level_nr);
1372
1373   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1374   SetDrawDeactivationMask(REDRAW_NONE);
1375   SetDrawBackgroundMask(REDRAW_FIELD);
1376
1377   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1378
1379   if (fade_mask == REDRAW_ALL)
1380     RedrawBackground();
1381
1382   ClearField();
1383
1384   InitializeMainControls();
1385
1386   DrawCursorAndText_Main(-1, FALSE);
1387   DrawPreviewLevelInitial();
1388
1389   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1390
1391   TapeStop();
1392   if (TAPE_IS_EMPTY(tape))
1393     LoadTape(level_nr);
1394   DrawCompleteVideoDisplay();
1395
1396   PlayMenuSound();
1397   PlayMenuMusic();
1398
1399   /* create gadgets for main menu screen */
1400   FreeScreenGadgets();
1401   CreateScreenGadgets();
1402
1403   /* map gadgets for main menu screen */
1404   MapTapeButtons();
1405   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1406
1407   /* copy actual game door content to door double buffer for OpenDoor() */
1408   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1409
1410   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1411
1412   DrawMaskedBorder(REDRAW_ALL);
1413
1414   FadeIn(fade_mask);
1415   FadeSetEnterMenu();
1416
1417   /* update screen area with special editor door */
1418   redraw_mask |= REDRAW_ALL;
1419   BackToFront();
1420
1421   SetMouseCursor(CURSOR_DEFAULT);
1422
1423   InitAnimation();
1424
1425   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1426 }
1427
1428 void DrawAndFadeInMainMenu(int fade_mask)
1429 {
1430   DrawMainMenuExt(fade_mask, TRUE);
1431 }
1432
1433 void DrawMainMenu()
1434 {
1435   DrawMainMenuExt(REDRAW_ALL, FALSE);
1436 }
1437
1438 #if defined(CREATE_SPECIAL_EDITION_RND_JUE)
1439 static void gotoTopLevelDir()
1440 {
1441   /* move upwards to top level directory */
1442   while (leveldir_current->node_parent)
1443   {
1444     /* write a "path" into level tree for easy navigation to last level */
1445     if (leveldir_current->node_parent->node_group->cl_first == -1)
1446     {
1447       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1448       int leveldir_pos = posTreeInfo(leveldir_current);
1449       int num_page_entries;
1450       int cl_first, cl_cursor;
1451
1452       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1453         num_page_entries = num_leveldirs;
1454       else
1455         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1456
1457       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1458       cl_cursor = leveldir_pos - cl_first;
1459
1460       leveldir_current->node_parent->node_group->cl_first = cl_first;
1461       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1462     }
1463
1464     leveldir_current = leveldir_current->node_parent;
1465   }
1466 }
1467 #endif
1468
1469 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1470 {
1471   static unsigned int title_delay = 0;
1472   static int title_screen_nr = 0;
1473   static int last_sound = -1, last_music = -1;
1474   boolean return_to_main_menu = FALSE;
1475   boolean use_fading_main_menu = TRUE;
1476   struct TitleControlInfo *tci;
1477   struct TitleFadingInfo fading_default;
1478   struct TitleFadingInfo fading_last = fading;
1479   struct TitleFadingInfo fading_next;
1480   int sound, music;
1481
1482   if (button == MB_MENU_INITIALIZE)
1483   {
1484     title_delay = 0;
1485     title_screen_nr = 0;
1486     tci = &title_controls[title_screen_nr];
1487
1488     last_sound = SND_UNDEFINED;
1489     last_music = MUS_UNDEFINED;
1490
1491     if (game_status == GAME_MODE_INFO)
1492     {
1493       if (num_title_screens == 0)
1494       {
1495         DrawInfoScreen_NotAvailable("Title screen information:",
1496                                     "No title screen for this level set.");
1497
1498         return;
1499       }
1500
1501       FadeSoundsAndMusic();
1502
1503       FadeOut(REDRAW_ALL);
1504     }
1505
1506     if (tci->is_image)
1507       DrawTitleScreenImage(tci->local_nr, tci->initial);
1508     else
1509       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1510
1511     fading_default = (tci->initial ? title_initial_default : title_default);
1512
1513     fading = fading_next = getTitleFading(tci);
1514
1515     if (!(fading_last.fade_mode & FADE_TYPE_TRANSFORM) &&
1516         fading_next.fade_mode & FADE_TYPE_TRANSFORM)
1517     {
1518       fading.fade_mode = FADE_MODE_FADE;
1519       fading.fade_delay = fading_default.fade_delay;
1520     }
1521
1522     sound = getTitleSound(tci);
1523     music = getTitleMusic(tci);
1524
1525     if (sound != last_sound)
1526       PlayMenuSoundExt(sound);
1527     if (music != last_music)
1528       PlayMenuMusicExt(music);
1529
1530     last_sound = sound;
1531     last_music = music;
1532
1533     SetMouseCursor(CURSOR_NONE);
1534
1535     FadeIn(REDRAW_ALL);
1536
1537     fading = fading_next;
1538
1539     DelayReached(&title_delay, 0);      /* reset delay counter */
1540
1541     return;
1542   }
1543
1544   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1545     button = MB_MENU_CHOICE;
1546
1547   if (button == MB_MENU_LEAVE)
1548   {
1549     return_to_main_menu = TRUE;
1550     use_fading_main_menu = FALSE;
1551   }
1552   else if (button == MB_MENU_CHOICE)
1553   {
1554     if (game_status == GAME_MODE_INFO && num_title_screens == 0)
1555     {
1556       FadeSetEnterScreen();
1557
1558       info_mode = INFO_MODE_MAIN;
1559       DrawAndFadeInInfoScreen(REDRAW_FIELD);
1560
1561       return;
1562     }
1563
1564     title_screen_nr++;
1565     tci = &title_controls[title_screen_nr];
1566
1567     if (title_screen_nr < num_title_screens)
1568     {
1569       sound = getTitleSound(tci);
1570       music = getTitleMusic(tci);
1571
1572       if (sound == SND_UNDEFINED || sound != last_sound)
1573         FadeSounds();
1574       if (music == MUS_UNDEFINED || music != last_music)
1575         FadeMusic();
1576
1577       FadeOut(REDRAW_ALL);
1578
1579       if (tci->is_image)
1580         DrawTitleScreenImage(tci->local_nr, tci->initial);
1581       else
1582         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1583
1584       fading_next = getTitleFading(tci);
1585
1586       sound = getTitleSound(tci);
1587       music = getTitleMusic(tci);
1588
1589       if (sound != last_sound)
1590         PlayMenuSoundExt(sound);
1591       if (music != last_music)
1592         PlayMenuMusicExt(music);
1593
1594       last_sound = sound;
1595       last_music = music;
1596
1597       /* last screen already faded out, next screen has no animation */
1598       if (!(fading.fade_mode & FADE_TYPE_TRANSFORM) &&
1599           fading_next.fade_mode == FADE_MODE_NONE)
1600         fading = fading_next;
1601
1602       FadeIn(REDRAW_ALL);
1603
1604       fading = fading_next;
1605
1606       DelayReached(&title_delay, 0);    /* reset delay counter */
1607     }
1608     else
1609     {
1610       FadeSoundsAndMusic();
1611
1612       return_to_main_menu = TRUE;
1613     }
1614   }
1615
1616   if (return_to_main_menu)
1617   {
1618     SetMouseCursor(CURSOR_DEFAULT);
1619
1620     if (game_status == GAME_MODE_INFO)
1621     {
1622       info_mode = INFO_MODE_MAIN;
1623
1624       DrawInfoScreenExt(REDRAW_ALL, use_fading_main_menu);
1625     }
1626     else        /* default: return to main menu */
1627     {
1628       game_status = GAME_MODE_MAIN;
1629
1630       DrawMainMenuExt(REDRAW_ALL, use_fading_main_menu);
1631     }
1632   }
1633 }
1634
1635 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1636 {
1637   int old_level_nr = level_nr;
1638   int new_level_nr;
1639
1640   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1641     new_level_nr = selected_level_nr;
1642   else
1643     new_level_nr = old_level_nr + step * direction;
1644
1645   if (new_level_nr < leveldir_current->first_level)
1646     new_level_nr = leveldir_current->first_level;
1647   if (new_level_nr > leveldir_current->last_level)
1648     new_level_nr = leveldir_current->last_level;
1649
1650   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1651   {
1652     /* skipping levels is only allowed when trying to skip single level */
1653     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1654         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1655     {
1656       leveldir_current->handicap_level++;
1657       SaveLevelSetup_SeriesInfo();
1658     }
1659
1660     new_level_nr = leveldir_current->handicap_level;
1661   }
1662
1663   if (new_level_nr != old_level_nr)
1664   {
1665     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1666
1667     PlaySound(SND_MENU_ITEM_SELECTING);
1668
1669     level_nr = new_level_nr;
1670
1671     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1672              int2str(level_nr, menu.main.text.level_number.size),
1673              mci->pos_text->font);
1674
1675     LoadLevel(level_nr);
1676     DrawPreviewLevelInitial();
1677
1678     TapeErase();
1679     LoadTape(level_nr);
1680     DrawCompleteVideoDisplay();
1681
1682     /* needed because DrawPreviewLevelInitial() takes some time */
1683     BackToFront();
1684     /* SyncDisplay(); */
1685   }
1686 }
1687
1688 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1689 {
1690   static int choice = MAIN_CONTROL_GAME;
1691   int pos = choice;
1692   int i;
1693
1694   if (button == MB_MENU_INITIALIZE)
1695   {
1696     DrawCursorAndText_Main(choice, TRUE);
1697
1698     return;
1699   }
1700
1701   if (mx || my)         /* mouse input */
1702   {
1703     pos = -1;
1704
1705     for (i = 0; main_controls[i].nr != -1; i++)
1706     {
1707       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1708           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1709           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1710       {
1711         pos = main_controls[i].nr;
1712
1713         break;
1714       }
1715     }
1716   }
1717   else if (dx || dy)    /* keyboard input */
1718   {
1719     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1720                    choice == MAIN_CONTROL_SETUP))
1721       button = MB_MENU_CHOICE;
1722     else if (dy)
1723       pos = choice + dy;
1724   }
1725
1726   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1727   {
1728     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1729   }
1730   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1731   {
1732     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1733   }
1734   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1735   {
1736     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1737   }
1738   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1739   {
1740     game_status = GAME_MODE_LEVELNR;
1741
1742     ChangeViewportPropertiesIfNeeded();
1743
1744     DrawChooseLevelNr();
1745   }
1746   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1747   {
1748     if (button)
1749     {
1750       if (pos != choice)
1751       {
1752         PlaySound(SND_MENU_ITEM_ACTIVATING);
1753
1754         DrawCursorAndText_Main(choice, FALSE);
1755         DrawCursorAndText_Main(pos, TRUE);
1756
1757         choice = pos;
1758       }
1759     }
1760     else
1761     {
1762       PlaySound(SND_MENU_ITEM_SELECTING);
1763
1764       if (pos == MAIN_CONTROL_NAME)
1765       {
1766         game_status = GAME_MODE_PSEUDO_TYPENAME;
1767
1768         HandleTypeName(strlen(setup.player_name), 0);
1769       }
1770       else if (pos == MAIN_CONTROL_LEVELS)
1771       {
1772         if (leveldir_first)
1773         {
1774           game_status = GAME_MODE_LEVELS;
1775
1776           SaveLevelSetup_LastSeries();
1777           SaveLevelSetup_SeriesInfo();
1778
1779 #if defined(CREATE_SPECIAL_EDITION_RND_JUE)
1780           gotoTopLevelDir();
1781 #endif
1782
1783           ChangeViewportPropertiesIfNeeded();
1784
1785           DrawChooseLevelSet();
1786         }
1787       }
1788       else if (pos == MAIN_CONTROL_SCORES)
1789       {
1790         game_status = GAME_MODE_SCORES;
1791
1792         ChangeViewportPropertiesIfNeeded();
1793
1794         DrawHallOfFame(-1);
1795       }
1796       else if (pos == MAIN_CONTROL_EDITOR)
1797       {
1798         if (leveldir_current->readonly &&
1799             !strEqual(setup.player_name, "Artsoft"))
1800           Request("This level is read only!", REQ_CONFIRM);
1801
1802         CloseDoor(DOOR_CLOSE_2);
1803
1804         game_status = GAME_MODE_EDITOR;
1805
1806         FadeSetEnterScreen();
1807
1808         DrawLevelEd();
1809       }
1810       else if (pos == MAIN_CONTROL_INFO)
1811       {
1812         game_status = GAME_MODE_INFO;
1813         info_mode = INFO_MODE_MAIN;
1814
1815         ChangeViewportPropertiesIfNeeded();
1816
1817         DrawInfoScreen();
1818       }
1819       else if (pos == MAIN_CONTROL_GAME)
1820       {
1821         StartGameActions(options.network, setup.autorecord, level.random_seed);
1822       }
1823       else if (pos == MAIN_CONTROL_SETUP)
1824       {
1825         game_status = GAME_MODE_SETUP;
1826         setup_mode = SETUP_MODE_MAIN;
1827
1828         ChangeViewportPropertiesIfNeeded();
1829
1830         DrawSetupScreen();
1831       }
1832       else if (pos == MAIN_CONTROL_QUIT)
1833       {
1834         SaveLevelSetup_LastSeries();
1835         SaveLevelSetup_SeriesInfo();
1836
1837         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1838           game_status = GAME_MODE_QUIT;
1839       }
1840     }
1841   }
1842 }
1843
1844
1845 /* ========================================================================= */
1846 /* info screen functions                                                     */
1847 /* ========================================================================= */
1848
1849 static struct TokenInfo *info_info;
1850 static int num_info_info;
1851
1852 static void execInfoTitleScreen()
1853 {
1854   info_mode = INFO_MODE_TITLE;
1855
1856   DrawInfoScreen();
1857 }
1858
1859 static void execInfoElements()
1860 {
1861   info_mode = INFO_MODE_ELEMENTS;
1862
1863   DrawInfoScreen();
1864 }
1865
1866 static void execInfoMusic()
1867 {
1868   info_mode = INFO_MODE_MUSIC;
1869
1870   DrawInfoScreen();
1871 }
1872
1873 static void execInfoCredits()
1874 {
1875   info_mode = INFO_MODE_CREDITS;
1876
1877   DrawInfoScreen();
1878 }
1879
1880 static void execInfoProgram()
1881 {
1882   info_mode = INFO_MODE_PROGRAM;
1883
1884   DrawInfoScreen();
1885 }
1886
1887 static void execInfoVersion()
1888 {
1889   info_mode = INFO_MODE_VERSION;
1890
1891   DrawInfoScreen();
1892 }
1893
1894 static void execInfoLevelSet()
1895 {
1896   info_mode = INFO_MODE_LEVELSET;
1897
1898   DrawInfoScreen();
1899 }
1900
1901 static void execExitInfo()
1902 {
1903   game_status = GAME_MODE_MAIN;
1904
1905   DrawMainMenuExt(REDRAW_FIELD, FALSE);
1906 }
1907
1908 static struct TokenInfo info_info_main[] =
1909 {
1910   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
1911   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
1912   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
1913   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
1914   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
1915   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
1916   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
1917   { TYPE_EMPTY,         NULL,                   ""                      },
1918   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
1919
1920   { 0,                  NULL,                   NULL                    }
1921 };
1922
1923 static void DrawCursorAndText_Info(int pos, boolean active)
1924 {
1925   int xpos = MENU_SCREEN_START_XPOS;
1926   int ypos = MENU_SCREEN_START_YPOS + pos;
1927   int font_nr = FONT_MENU_1;
1928
1929   if (active)
1930     font_nr = FONT_ACTIVE(font_nr);
1931
1932   DrawText(mSX + xpos * 32, mSY + ypos * 32, info_info[pos].text, font_nr);
1933
1934   if (info_info[pos].type & ~TYPE_SKIP_ENTRY)
1935     drawCursor(pos, active);
1936 }
1937
1938 static void DrawInfoScreen_Main(int fade_mask, boolean do_fading)
1939 {
1940   int i;
1941
1942   UnmapAllGadgets();
1943   CloseDoor(DOOR_CLOSE_2);
1944
1945   /* (needed after displaying title screens which disable auto repeat) */
1946   KeyboardAutoRepeatOn();
1947
1948   FadeSetLeaveScreen();
1949
1950   FadeOut(fade_mask);
1951
1952   if (fade_mask == REDRAW_ALL)
1953   {
1954     RedrawBackground();
1955
1956     OpenDoor(DOOR_CLOSE_1 | DOOR_CLOSE_2 | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1957   }
1958
1959   ClearField();
1960
1961   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
1962
1963   info_info = info_info_main;
1964   num_info_info = 0;
1965
1966   for (i = 0; info_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
1967   {
1968     if (info_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
1969       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
1970     else if (info_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
1971       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
1972     else if (info_info[i].type & ~TYPE_SKIP_ENTRY)
1973       initCursor(i, IMG_MENU_BUTTON);
1974
1975     DrawCursorAndText_Info(i, FALSE);
1976
1977     num_info_info++;
1978   }
1979
1980   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
1981
1982   PlayMenuSound();
1983   PlayMenuMusic();
1984
1985   DrawMaskedBorder(fade_mask);
1986
1987   FadeIn(fade_mask);
1988
1989   InitAnimation();
1990 }
1991
1992 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
1993 {
1994   static int choice_store[MAX_INFO_MODES];
1995   int choice = choice_store[info_mode];         /* always starts with 0 */
1996   int x = 0;
1997   int y = choice;
1998
1999   if (button == MB_MENU_INITIALIZE)
2000   {
2001     /* advance to first valid menu entry */
2002     while (choice < num_info_info &&
2003            info_info[choice].type & TYPE_SKIP_ENTRY)
2004       choice++;
2005     choice_store[info_mode] = choice;
2006
2007     DrawCursorAndText_Info(choice, TRUE);
2008
2009     return;
2010   }
2011   else if (button == MB_MENU_LEAVE)
2012   {
2013     for (y = 0; y < num_info_info; y++)
2014     {
2015       if (info_info[y].type & TYPE_LEAVE_MENU)
2016       {
2017         void (*menu_callback_function)(void) = info_info[y].value;
2018
2019         FadeSetLeaveMenu();
2020
2021         menu_callback_function();
2022
2023         break;  /* absolutely needed because function changes 'info_info'! */
2024       }
2025     }
2026
2027     return;
2028   }
2029
2030   if (mx || my)         /* mouse input */
2031   {
2032     x = (mx - mSX) / 32;
2033     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2034   }
2035   else if (dx || dy)    /* keyboard input */
2036   {
2037     if (dx)
2038     {
2039       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2040
2041       if (info_info[choice].type & menu_navigation_type ||
2042           info_info[choice].type & TYPE_ENTER_SCREEN ||
2043           info_info[choice].type & TYPE_BOOLEAN_STYLE ||
2044           info_info[choice].type & TYPE_YES_NO_AUTO)
2045         button = MB_MENU_CHOICE;
2046     }
2047     else if (dy)
2048       y = choice + dy;
2049
2050     /* jump to next non-empty menu entry (up or down) */
2051     while (y > 0 && y < num_info_info - 1 &&
2052            info_info[y].type & TYPE_SKIP_ENTRY)
2053       y += dy;
2054   }
2055
2056   if (IN_VIS_MENU(x, y) &&
2057       y >= 0 && y < num_info_info && info_info[y].type & ~TYPE_SKIP_ENTRY)
2058   {
2059     if (button)
2060     {
2061       if (y != choice)
2062       {
2063         PlaySound(SND_MENU_ITEM_ACTIVATING);
2064
2065         DrawCursorAndText_Info(choice, FALSE);
2066         DrawCursorAndText_Info(y, TRUE);
2067
2068         choice = choice_store[info_mode] = y;
2069       }
2070     }
2071     else if (!(info_info[y].type & TYPE_GHOSTED))
2072     {
2073       PlaySound(SND_MENU_ITEM_SELECTING);
2074
2075       if (info_info[y].type & TYPE_ENTER_OR_LEAVE)
2076       {
2077         void (*menu_callback_function)(void) = info_info[choice].value;
2078
2079         FadeSetFromType(info_info[y].type);
2080
2081         menu_callback_function();
2082       }
2083     }
2084   }
2085 }
2086
2087 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2088 {
2089   int ystart1 = mSY - SY + 100;
2090   int ystart2 = mSY - SY + 150;
2091   int ybottom = mSY - SY + SYSIZE - 20;
2092
2093   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2094
2095   FadeOut(REDRAW_FIELD);
2096
2097   ClearField();
2098   DrawHeadline();
2099
2100   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2101   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2102
2103   DrawTextSCentered(ybottom, FONT_TEXT_4,
2104                     "Press any key or button for info menu");
2105
2106   FadeIn(REDRAW_FIELD);
2107 }
2108
2109 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2110 {
2111   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2112   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2113   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2114   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2115   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2116   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2117   int ystep = MENU_SCREEN_INFO_YSTEP;
2118   int element, action, direction;
2119   int graphic;
2120   int delay;
2121   int sync_frame;
2122   int i, j;
2123
2124   if (init)
2125   {
2126     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2127       infoscreen_step[i] = infoscreen_frame[i] = 0;
2128
2129     ClearField();
2130     DrawHeadline();
2131
2132     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2133
2134     DrawTextSCentered(ybottom, FONT_TEXT_4,
2135                       "Press any key or button for next page");
2136
2137     FrameCounter = 0;
2138   }
2139
2140   i = j = 0;
2141   while (helpanim_info[j].element != HELPANIM_LIST_END)
2142   {
2143     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2144         i >= max_anims)
2145       break;
2146     else if (i < start)
2147     {
2148       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2149         j++;
2150
2151       j++;
2152       i++;
2153
2154       continue;
2155     }
2156
2157     j += infoscreen_step[i - start];
2158
2159     element = helpanim_info[j].element;
2160     action = helpanim_info[j].action;
2161     direction = helpanim_info[j].direction;
2162
2163     if (element < 0)
2164       element = EL_UNKNOWN;
2165
2166     if (action != -1 && direction != -1)
2167       graphic = el_act_dir2img(element, action, direction);
2168     else if (action != -1)
2169       graphic = el_act2img(element, action);
2170     else if (direction != -1)
2171       graphic = el_dir2img(element, direction);
2172     else
2173       graphic = el2img(element);
2174
2175     delay = helpanim_info[j++].delay;
2176
2177     if (delay == -1)
2178       delay = 1000000;
2179
2180     if (infoscreen_frame[i - start] == 0)
2181     {
2182       sync_frame = 0;
2183       infoscreen_frame[i - start] = delay - 1;
2184     }
2185     else
2186     {
2187       sync_frame = delay - infoscreen_frame[i - start];
2188       infoscreen_frame[i - start]--;
2189     }
2190
2191     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2192     {
2193       if (!infoscreen_frame[i - start])
2194         infoscreen_step[i - start] = 0;
2195     }
2196     else
2197     {
2198       if (!infoscreen_frame[i - start])
2199         infoscreen_step[i - start]++;
2200       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2201         j++;
2202     }
2203
2204     j++;
2205
2206     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2207                                TILEX, TILEY);
2208     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2209                                  graphic, sync_frame, USE_MASKING);
2210
2211     if (init)
2212       DrawInfoScreen_HelpText(element, action, direction, i - start);
2213
2214     i++;
2215   }
2216
2217   redraw_mask |= REDRAW_FIELD;
2218
2219   FrameCounter++;
2220 }
2221
2222 static char *getHelpText(int element, int action, int direction)
2223 {
2224   char token[MAX_LINE_LEN];
2225
2226   strcpy(token, element_info[element].token_name);
2227
2228   if (action != -1)
2229     strcat(token, element_action_info[action].suffix);
2230
2231   if (direction != -1)
2232     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2233
2234   return getHashEntry(helptext_info, token);
2235 }
2236
2237 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2238 {
2239   int font_nr = FONT_INFO_ELEMENTS;
2240   int font_width = getFontWidth(font_nr);
2241   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2242   int sy = mSY + 65 + 2 * 32 + 1;
2243   int ystep = TILEY + 4;
2244   int pad_x = sx - SX;
2245   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2246   int max_lines_per_text = 2;
2247   char *text = NULL;
2248
2249   if (action != -1 && direction != -1)          /* element.action.direction */
2250     text = getHelpText(element, action, direction);
2251
2252   if (text == NULL && action != -1)             /* element.action */
2253     text = getHelpText(element, action, -1);
2254
2255   if (text == NULL && direction != -1)          /* element.direction */
2256     text = getHelpText(element, -1, direction);
2257
2258   if (text == NULL)                             /* base element */
2259     text = getHelpText(element, -1, -1);
2260
2261   if (text == NULL)                             /* not found */
2262     text = "No description available";
2263
2264   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2265     sy += getFontHeight(font_nr) / 2;
2266
2267   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2268                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2269                  TRUE, FALSE, FALSE);
2270 }
2271
2272 void DrawInfoScreen_TitleScreen()
2273 {
2274   DrawTitleScreen();
2275 }
2276
2277 void HandleInfoScreen_TitleScreen(int button)
2278 {
2279   HandleTitleScreen(0, 0, 0, 0, button);
2280 }
2281
2282 void DrawInfoScreen_Elements()
2283 {
2284   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2285
2286   FadeOut(REDRAW_FIELD);
2287
2288   LoadHelpAnimInfo();
2289   LoadHelpTextInfo();
2290
2291   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2292
2293   FadeIn(REDRAW_FIELD);
2294
2295   InitAnimation();
2296 }
2297
2298 void HandleInfoScreen_Elements(int button)
2299 {
2300   static unsigned int info_delay = 0;
2301   static int num_anims;
2302   static int num_pages;
2303   static int page;
2304   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2305   int i;
2306
2307   if (button == MB_MENU_INITIALIZE)
2308   {
2309     boolean new_element = TRUE;
2310
2311     num_anims = 0;
2312
2313     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2314     {
2315       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2316         new_element = TRUE;
2317       else if (new_element)
2318       {
2319         num_anims++;
2320         new_element = FALSE;
2321       }
2322     }
2323
2324     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2325     page = 0;
2326   }
2327
2328   if (button == MB_MENU_LEAVE)
2329   {
2330     PlaySound(SND_MENU_ITEM_SELECTING);
2331
2332     info_mode = INFO_MODE_MAIN;
2333     DrawInfoScreen();
2334
2335     return;
2336   }
2337   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2338   {
2339     if (button != MB_MENU_INITIALIZE)
2340     {
2341       PlaySound(SND_MENU_ITEM_SELECTING);
2342
2343       page++;
2344     }
2345
2346     if (page >= num_pages)
2347     {
2348       FadeSoundsAndMusic();
2349
2350       info_mode = INFO_MODE_MAIN;
2351       DrawAndFadeInInfoScreen(REDRAW_FIELD);
2352
2353       return;
2354     }
2355
2356     if (page > 0)
2357       FadeSetNextScreen();
2358
2359     if (button != MB_MENU_INITIALIZE)
2360       FadeOut(REDRAW_FIELD);
2361
2362     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2363
2364     if (button != MB_MENU_INITIALIZE)
2365       FadeIn(REDRAW_FIELD);
2366   }
2367   else
2368   {
2369     if (DelayReached(&info_delay, GameFrameDelay))
2370       if (page < num_pages)
2371         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2372
2373     PlayMenuSoundIfLoop();
2374   }
2375 }
2376
2377 void DrawInfoScreen_Music()
2378 {
2379   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2380
2381   FadeOut(REDRAW_FIELD);
2382
2383   ClearField();
2384   DrawHeadline();
2385
2386   LoadMusicInfo();
2387
2388   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2389
2390   FadeIn(REDRAW_FIELD);
2391 }
2392
2393 void HandleInfoScreen_Music(int button)
2394 {
2395   static struct MusicFileInfo *list = NULL;
2396   int ystart1 = mSY - SY + 100;
2397   int ystart2 = mSY - SY + 150;
2398   int ybottom = mSY - SY + SYSIZE - 20;
2399   int dy = 30;
2400
2401   if (button == MB_MENU_INITIALIZE)
2402   {
2403     list = music_file_info;
2404
2405     if (list == NULL)
2406     {
2407       FadeSoundsAndMusic();
2408
2409       ClearField();
2410       DrawHeadline();
2411
2412       DrawTextSCentered(ystart1, FONT_TEXT_1,
2413                         "No music info for this level set.");
2414
2415       DrawTextSCentered(ybottom, FONT_TEXT_4,
2416                         "Press any key or button for info menu");
2417
2418       return;
2419     }
2420   }
2421
2422   if (button == MB_MENU_LEAVE)
2423   {
2424     PlaySound(SND_MENU_ITEM_SELECTING);
2425
2426     FadeSoundsAndMusic();
2427
2428     info_mode = INFO_MODE_MAIN;
2429     DrawInfoScreen();
2430
2431     return;
2432   }
2433   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2434   {
2435     int y = 0;
2436
2437     if (button != MB_MENU_INITIALIZE)
2438     {
2439       PlaySound(SND_MENU_ITEM_SELECTING);
2440
2441       if (list != NULL)
2442         list = list->next;
2443     }
2444
2445     if (list == NULL)
2446     {
2447       FadeSoundsAndMusic();
2448
2449       info_mode = INFO_MODE_MAIN;
2450       DrawAndFadeInInfoScreen(REDRAW_FIELD);
2451
2452       return;
2453     }
2454
2455     FadeSoundsAndMusic();
2456
2457     if (list != music_file_info)
2458       FadeSetNextScreen();
2459
2460     if (button != MB_MENU_INITIALIZE)
2461       FadeOut(REDRAW_FIELD);
2462
2463     ClearField();
2464     DrawHeadline();
2465
2466     if (list->is_sound)
2467     {
2468       int sound = list->music;
2469
2470       if (sound_info[sound].loop)
2471         PlaySoundLoop(sound);
2472       else
2473         PlaySound(sound);
2474
2475       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2476     }
2477     else
2478     {
2479       PlayMusic(list->music);
2480
2481       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2482     }
2483
2484     if (!strEqual(list->title, UNKNOWN_NAME))
2485     {
2486       if (!strEqual(list->title_header, UNKNOWN_NAME))
2487         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2488
2489       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2490     }
2491
2492     if (!strEqual(list->artist, UNKNOWN_NAME))
2493     {
2494       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2495         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2496       else
2497         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2498
2499       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2500     }
2501
2502     if (!strEqual(list->album, UNKNOWN_NAME))
2503     {
2504       if (!strEqual(list->album_header, UNKNOWN_NAME))
2505         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2506       else
2507         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2508
2509       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2510     }
2511
2512     if (!strEqual(list->year, UNKNOWN_NAME))
2513     {
2514       if (!strEqual(list->year_header, UNKNOWN_NAME))
2515         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2516       else
2517         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2518
2519       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2520     }
2521
2522     DrawTextSCentered(ybottom, FONT_TEXT_4,
2523                       "Press any key or button for next page");
2524
2525     if (button != MB_MENU_INITIALIZE)
2526       FadeIn(REDRAW_FIELD);
2527   }
2528
2529   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2530     PlaySoundLoop(list->music);
2531 }
2532
2533 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2534 {
2535   int ystart1 = mSY - SY + 100;
2536   int ystart2 = mSY - SY + 150;
2537   int ybottom = mSY - SY + SYSIZE - 20;
2538   int ystep = 30;
2539
2540   ClearField();
2541   DrawHeadline();
2542
2543   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2544
2545   if (screen_nr == 0)
2546   {
2547     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2548                       "Special thanks to");
2549     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2550                       "Peter Liepa");
2551     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2552                       "for creating");
2553     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2554                       "\"Boulder Dash\"");
2555     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2556                       "in the year");
2557     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2558                       "1984");
2559     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2560                       "published by");
2561     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2562                       "First Star Software");
2563   }
2564   else if (screen_nr == 1)
2565   {
2566     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2567                       "Special thanks to");
2568     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2569                       "Klaus Heinz & Volker Wertich");
2570     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2571                       "for creating");
2572     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2573                       "\"Emerald Mine\"");
2574     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2575                       "in the year");
2576     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2577                       "1987");
2578     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2579                       "published by");
2580     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2581                       "Kingsoft");
2582   }
2583   else if (screen_nr == 2)
2584   {
2585     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2586                       "Special thanks to");
2587     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2588                       "Michael Stopp & Philip Jespersen");
2589     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2590                       "for creating");
2591     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2592                       "\"Supaplex\"");
2593     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2594                       "in the year");
2595     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2596                       "1991");
2597     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2598                       "published by");
2599     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2600                       "Digital Integration");
2601   }
2602   else if (screen_nr == 3)
2603   {
2604     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2605                       "Special thanks to");
2606     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2607                       "Hiroyuki Imabayashi");
2608     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2609                       "for creating");
2610     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2611                       "\"Sokoban\"");
2612     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2613                       "in the year");
2614     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2615                       "1982");
2616     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2617                       "published by");
2618     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2619                       "Thinking Rabbit");
2620   }
2621   else if (screen_nr == 4)
2622   {
2623     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2624                       "Special thanks to");
2625     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2626                       "Alan Bond");
2627     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2628                       "and");
2629     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2630                       "J\xfcrgen Bonhagen");
2631     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2632                       "for the continuous creation");
2633     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
2634                       "of outstanding level sets");
2635   }
2636   else if (screen_nr == 5)
2637   {
2638     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2639                       "Thanks to");
2640     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2641                       "Peter Elzner");
2642     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2643                       "for ideas and inspiration by");
2644     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2645                       "Diamond Caves");
2646
2647     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
2648                       "Thanks to");
2649     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
2650                       "Steffest");
2651     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
2652                       "for ideas and inspiration by");
2653     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
2654                       "DX-Boulderdash");
2655   }
2656   else if (screen_nr == 6)
2657   {
2658     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2659                       "Thanks to");
2660     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2661                       "David Tritscher");
2662 #if 1
2663     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2664                       "for the code base used for the");
2665     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
2666                       "native Emerald Mine engine");
2667 #else
2668     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2669                       "for the new Emerald Mine engine");
2670 #endif
2671   }
2672   else if (screen_nr == 7)
2673   {
2674     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2675                       "Thanks to");
2676     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2677                       "Guido Schulz");
2678     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2679                       "for the initial DOS port");
2680
2681     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2682                       "Thanks to");
2683     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2684                       "Karl H\xf6rnell");
2685     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2686                       "for some additional toons");
2687   }
2688   else if (screen_nr == 8)
2689   {
2690     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2691                       "And not to forget:");
2692     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
2693                       "Many thanks to");
2694     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
2695                       "All those who contributed");
2696     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2697                       "levels to this game");
2698     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
2699                       "since 1995");
2700   }
2701
2702   DrawTextSCentered(ybottom, FONT_TEXT_4,
2703                     "Press any key or button for next page");
2704 }
2705
2706 void DrawInfoScreen_Credits()
2707 {
2708   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
2709
2710   FadeSoundsAndMusic();
2711
2712   FadeOut(REDRAW_FIELD);
2713
2714   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
2715
2716   FadeIn(REDRAW_FIELD);
2717 }
2718
2719 void HandleInfoScreen_Credits(int button)
2720 {
2721   static int screen_nr = 0;
2722   int num_screens = 9;
2723
2724   if (button == MB_MENU_INITIALIZE)
2725   {
2726     screen_nr = 0;
2727
2728     // DrawInfoScreen_CreditsScreen(screen_nr);
2729   }
2730
2731   if (button == MB_MENU_LEAVE)
2732   {
2733     PlaySound(SND_MENU_ITEM_SELECTING);
2734
2735     info_mode = INFO_MODE_MAIN;
2736     DrawInfoScreen();
2737
2738     return;
2739   }
2740   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2741   {
2742     if (button != MB_MENU_INITIALIZE)
2743     {
2744       PlaySound(SND_MENU_ITEM_SELECTING);
2745
2746       screen_nr++;
2747     }
2748
2749     if (screen_nr >= num_screens)
2750     {
2751       FadeSoundsAndMusic();
2752
2753       info_mode = INFO_MODE_MAIN;
2754       DrawAndFadeInInfoScreen(REDRAW_FIELD);
2755
2756       return;
2757     }
2758
2759     if (screen_nr > 0)
2760       FadeSetNextScreen();
2761
2762     if (button != MB_MENU_INITIALIZE)
2763       FadeOut(REDRAW_FIELD);
2764
2765     DrawInfoScreen_CreditsScreen(screen_nr);
2766
2767     if (button != MB_MENU_INITIALIZE)
2768       FadeIn(REDRAW_FIELD);
2769   }
2770   else
2771   {
2772     PlayMenuSoundIfLoop();
2773   }
2774 }
2775
2776 void DrawInfoScreen_Program()
2777 {
2778   int ystart1 = mSY - SY + 100;
2779   int ystart2 = mSY - SY + 150;
2780   int ybottom = mSY - SY + SYSIZE - 20;
2781   int ystep = 30;
2782
2783   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
2784
2785   FadeOut(REDRAW_FIELD);
2786
2787   ClearField();
2788   DrawHeadline();
2789
2790   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
2791
2792   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2793                     "This game is Freeware!");
2794   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
2795                     "If you like it, send e-mail to:");
2796   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
2797                     PROGRAM_EMAIL_STRING);
2798   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2799                     "More information and levels:");
2800   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2801                     PROGRAM_WEBSITE_STRING);
2802   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
2803                     "If you have created new levels,");
2804   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
2805                     "send them to me to include them!");
2806   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
2807                     ":-)");
2808
2809   DrawTextSCentered(ybottom, FONT_TEXT_4,
2810                     "Press any key or button for info menu");
2811
2812   FadeIn(REDRAW_FIELD);
2813 }
2814
2815 void HandleInfoScreen_Program(int button)
2816 {
2817   if (button == MB_MENU_LEAVE)
2818   {
2819     PlaySound(SND_MENU_ITEM_SELECTING);
2820
2821     info_mode = INFO_MODE_MAIN;
2822     DrawInfoScreen();
2823
2824     return;
2825   }
2826   else if (button == MB_MENU_CHOICE)
2827   {
2828     PlaySound(SND_MENU_ITEM_SELECTING);
2829
2830     FadeSoundsAndMusic();
2831
2832     info_mode = INFO_MODE_MAIN;
2833     DrawAndFadeInInfoScreen(REDRAW_FIELD);
2834   }
2835   else
2836   {
2837     PlayMenuSoundIfLoop();
2838   }
2839 }
2840
2841 void DrawInfoScreen_Version()
2842 {
2843   int font_header = FONT_TEXT_3;
2844   int font_text = FONT_TEXT_2;
2845   int xstep = getFontWidth(font_text);
2846   int ystep = getFontHeight(font_text);
2847   int ystart1 = mSY - SY + 100;
2848   int ystart2 = mSY - SY + 150;
2849   int ybottom = mSY - SY + SYSIZE - 20;
2850   int xstart1 = mSX - SX + 2 * xstep;
2851   int xstart2 = mSX - SX + 18 * xstep;
2852   int xstart3 = mSX - SX + 28 * xstep;
2853   SDL_version sdl_version_compiled;
2854   const SDL_version *sdl_version_linked;
2855   int driver_name_len = 10;
2856 #if defined(TARGET_SDL2)
2857   SDL_version sdl_version_linked_ext;
2858   const char *driver_name = NULL;
2859 #else
2860   char driver_name[driver_name_len];
2861 #endif
2862
2863   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
2864
2865   FadeOut(REDRAW_FIELD);
2866
2867   ClearField();
2868   DrawHeadline();
2869
2870   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
2871
2872   DrawTextF(xstart1, ystart2, font_header, "Name");
2873   DrawTextF(xstart2, ystart2, font_text, PROGRAM_TITLE_STRING);
2874
2875   ystart2 += ystep;
2876   DrawTextF(xstart1, ystart2, font_header, "Version");
2877   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
2878
2879   ystart2 += ystep;
2880   DrawTextF(xstart1, ystart2, font_header, "Platform");
2881   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
2882
2883   ystart2 += ystep;
2884   DrawTextF(xstart1, ystart2, font_header, "Target");
2885   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
2886
2887   ystart2 += ystep;
2888   DrawTextF(xstart1, ystart2, font_header, "Compile time");
2889   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
2890
2891   ystart2 += 3 * ystep;
2892   DrawTextF(xstart1, ystart2, font_header, "Library");
2893   DrawTextF(xstart2, ystart2, font_header, "compiled");
2894   DrawTextF(xstart3, ystart2, font_header, "linked");
2895
2896   SDL_VERSION(&sdl_version_compiled);
2897 #if defined(TARGET_SDL2)
2898   SDL_GetVersion(&sdl_version_linked_ext);
2899   sdl_version_linked = &sdl_version_linked_ext;
2900 #else
2901   sdl_version_linked = SDL_Linked_Version();
2902 #endif
2903
2904   ystart2 += 2 * ystep;
2905   DrawTextF(xstart1, ystart2, font_text, "SDL");
2906   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
2907             sdl_version_compiled.major,
2908             sdl_version_compiled.minor,
2909             sdl_version_compiled.patch);
2910   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
2911             sdl_version_linked->major,
2912             sdl_version_linked->minor,
2913             sdl_version_linked->patch);
2914
2915   SDL_IMAGE_VERSION(&sdl_version_compiled);
2916   sdl_version_linked = IMG_Linked_Version();
2917
2918   ystart2 += ystep;
2919   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
2920   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
2921             sdl_version_compiled.major,
2922             sdl_version_compiled.minor,
2923             sdl_version_compiled.patch);
2924   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
2925             sdl_version_linked->major,
2926             sdl_version_linked->minor,
2927             sdl_version_linked->patch);
2928
2929   SDL_MIXER_VERSION(&sdl_version_compiled);
2930   sdl_version_linked = Mix_Linked_Version();
2931
2932   ystart2 += ystep;
2933   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
2934   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
2935             sdl_version_compiled.major,
2936             sdl_version_compiled.minor,
2937             sdl_version_compiled.patch);
2938   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
2939             sdl_version_linked->major,
2940             sdl_version_linked->minor,
2941             sdl_version_linked->patch);
2942
2943   SDL_NET_VERSION(&sdl_version_compiled);
2944   sdl_version_linked = SDLNet_Linked_Version();
2945
2946   ystart2 += ystep;
2947   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
2948   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
2949             sdl_version_compiled.major,
2950             sdl_version_compiled.minor,
2951             sdl_version_compiled.patch);
2952   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
2953             sdl_version_linked->major,
2954             sdl_version_linked->minor,
2955             sdl_version_linked->patch);
2956
2957   ystart2 += 3 * ystep;
2958   DrawTextF(xstart1, ystart2, font_header, "Driver");
2959   DrawTextF(xstart2, ystart2, font_header, "Requested");
2960   DrawTextF(xstart3, ystart2, font_header, "Used");
2961
2962 #if defined(TARGET_SDL2)
2963   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
2964 #else
2965   SDL_VideoDriverName(driver_name, driver_name_len);
2966 #endif
2967
2968   ystart2 += 2 * ystep;
2969   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
2970   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
2971   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
2972
2973 #if defined(TARGET_SDL2)
2974   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
2975 #else
2976   SDL_AudioDriverName(driver_name, driver_name_len);
2977 #endif
2978
2979   ystart2 += ystep;
2980   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
2981   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
2982   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
2983
2984   DrawTextSCentered(ybottom, FONT_TEXT_4,
2985                     "Press any key or button for info menu");
2986
2987   FadeIn(REDRAW_FIELD);
2988 }
2989
2990 void HandleInfoScreen_Version(int button)
2991 {
2992   if (button == MB_MENU_LEAVE)
2993   {
2994     PlaySound(SND_MENU_ITEM_SELECTING);
2995
2996     info_mode = INFO_MODE_MAIN;
2997     DrawInfoScreen();
2998
2999     return;
3000   }
3001   else if (button == MB_MENU_CHOICE)
3002   {
3003     PlaySound(SND_MENU_ITEM_SELECTING);
3004
3005     FadeSoundsAndMusic();
3006
3007     info_mode = INFO_MODE_MAIN;
3008     DrawAndFadeInInfoScreen(REDRAW_FIELD);
3009   }
3010   else
3011   {
3012     PlayMenuSoundIfLoop();
3013   }
3014 }
3015
3016 void DrawInfoScreen_LevelSet()
3017 {
3018   struct TitleMessageInfo *tmi = &readme;
3019   char *filename = getLevelSetInfoFilename();
3020   char *title = "Level Set Information:";
3021   int ystart1 = mSY - SY + 100;
3022   int ybottom = mSY - SY + SYSIZE - 20;
3023
3024   if (filename == NULL)
3025   {
3026     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3027
3028     return;
3029   }
3030
3031   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3032
3033   FadeOut(REDRAW_FIELD);
3034
3035   ClearField();
3036   DrawHeadline();
3037
3038   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3039
3040   /* if x position set to "-1", automatically determine by playfield width */
3041   if (tmi->x == -1)
3042     tmi->x = SXSIZE / 2;
3043
3044   /* if y position set to "-1", use static default value */
3045   if (tmi->y == -1)
3046     tmi->y = 150;
3047
3048   /* if width set to "-1", automatically determine by playfield width */
3049   if (tmi->width == -1)
3050     tmi->width = SXSIZE - 2 * TILEX;
3051
3052   /* if height set to "-1", automatically determine by playfield height */
3053   if (tmi->height == -1)
3054     tmi->height = SYSIZE - 20 - tmi->y - 10;
3055
3056   /* if chars set to "-1", automatically determine by text and font width */
3057   if (tmi->chars == -1)
3058     tmi->chars = tmi->width / getFontWidth(tmi->font);
3059   else
3060     tmi->width = tmi->chars * getFontWidth(tmi->font);
3061
3062   /* if lines set to "-1", automatically determine by text and font height */
3063   if (tmi->lines == -1)
3064     tmi->lines = tmi->height / getFontHeight(tmi->font);
3065   else
3066     tmi->height = tmi->lines * getFontHeight(tmi->font);
3067
3068   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3069                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3070                tmi->autowrap, tmi->centered, tmi->parse_comments);
3071
3072   DrawTextSCentered(ybottom, FONT_TEXT_4,
3073                     "Press any key or button for info menu");
3074
3075   FadeIn(REDRAW_FIELD);
3076 }
3077
3078 void HandleInfoScreen_LevelSet(int button)
3079 {
3080   if (button == MB_MENU_LEAVE)
3081   {
3082     PlaySound(SND_MENU_ITEM_SELECTING);
3083
3084     info_mode = INFO_MODE_MAIN;
3085     DrawInfoScreen();
3086
3087     return;
3088   }
3089   else if (button == MB_MENU_CHOICE)
3090   {
3091     PlaySound(SND_MENU_ITEM_SELECTING);
3092
3093     FadeSoundsAndMusic();
3094
3095     info_mode = INFO_MODE_MAIN;
3096     DrawAndFadeInInfoScreen(REDRAW_FIELD);
3097   }
3098   else
3099   {
3100     PlayMenuSoundIfLoop();
3101   }
3102 }
3103
3104 static void DrawInfoScreenExt(int fade_mask, boolean do_fading)
3105 {
3106   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3107
3108   if (info_mode == INFO_MODE_TITLE)
3109     DrawInfoScreen_TitleScreen();
3110   else if (info_mode == INFO_MODE_ELEMENTS)
3111     DrawInfoScreen_Elements();
3112   else if (info_mode == INFO_MODE_MUSIC)
3113     DrawInfoScreen_Music();
3114   else if (info_mode == INFO_MODE_CREDITS)
3115     DrawInfoScreen_Credits();
3116   else if (info_mode == INFO_MODE_PROGRAM)
3117     DrawInfoScreen_Program();
3118   else if (info_mode == INFO_MODE_VERSION)
3119     DrawInfoScreen_Version();
3120   else if (info_mode == INFO_MODE_LEVELSET)
3121     DrawInfoScreen_LevelSet();
3122   else
3123     DrawInfoScreen_Main(fade_mask, do_fading);
3124
3125   if (info_mode != INFO_MODE_MAIN &&
3126       info_mode != INFO_MODE_TITLE &&
3127       info_mode != INFO_MODE_MUSIC)
3128   {
3129     PlayMenuSound();
3130     PlayMenuMusic();
3131   }
3132 }
3133
3134 void DrawAndFadeInInfoScreen(int fade_mask)
3135 {
3136   DrawInfoScreenExt(fade_mask, TRUE);
3137 }
3138
3139 void DrawInfoScreen()
3140 {
3141   DrawInfoScreenExt(REDRAW_FIELD, FALSE);
3142 }
3143
3144 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3145 {
3146   if (info_mode == INFO_MODE_TITLE)
3147     HandleInfoScreen_TitleScreen(button);
3148   else if (info_mode == INFO_MODE_ELEMENTS)
3149     HandleInfoScreen_Elements(button);
3150   else if (info_mode == INFO_MODE_MUSIC)
3151     HandleInfoScreen_Music(button);
3152   else if (info_mode == INFO_MODE_CREDITS)
3153     HandleInfoScreen_Credits(button);
3154   else if (info_mode == INFO_MODE_PROGRAM)
3155     HandleInfoScreen_Program(button);
3156   else if (info_mode == INFO_MODE_VERSION)
3157     HandleInfoScreen_Version(button);
3158   else if (info_mode == INFO_MODE_LEVELSET)
3159     HandleInfoScreen_LevelSet(button);
3160   else
3161     HandleInfoScreen_Main(mx, my, dx, dy, button);
3162 }
3163
3164
3165 /* ========================================================================= */
3166 /* type name functions                                                       */
3167 /* ========================================================================= */
3168
3169 void HandleTypeName(int newxpos, Key key)
3170 {
3171   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3172   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3173   struct TextPosInfo *pos = mci->pos_input;
3174   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3175   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3176   static int xpos = 0;
3177   int font_nr = pos->font;
3178   int font_active_nr = FONT_ACTIVE(font_nr);
3179   int font_width = getFontWidth(font_active_nr);
3180   char key_char = getValidConfigValueChar(getCharFromKey(key));
3181   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3182   boolean is_active = TRUE;
3183
3184   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3185
3186   if (newxpos)
3187   {
3188     strcpy(last_player_name, setup.player_name);
3189
3190     xpos = newxpos;
3191
3192 #if defined(TARGET_SDL2)
3193     SDL_StartTextInput();
3194 #endif
3195   }
3196   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3197   {
3198     setup.player_name[xpos] = key_char;
3199     setup.player_name[xpos + 1] = 0;
3200
3201     xpos++;
3202   }
3203   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3204   {
3205     xpos--;
3206
3207     setup.player_name[xpos] = 0;
3208   }
3209   else if (key == KSYM_Return && xpos > 0)
3210   {
3211     SaveSetup();
3212
3213     is_active = FALSE;
3214
3215     game_status = GAME_MODE_MAIN;
3216   }
3217   else if (key == KSYM_Escape)
3218   {
3219     strcpy(setup.player_name, last_player_name);
3220
3221     is_active = FALSE;
3222
3223     game_status = GAME_MODE_MAIN;
3224   }
3225
3226   if (is_active)
3227   {
3228     pos->width = (strlen(setup.player_name) + 1) * font_width;
3229     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3230
3231     DrawText(startx, starty, setup.player_name, font_active_nr);
3232     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3233   }
3234   else
3235   {
3236     pos->width = strlen(setup.player_name) * font_width;
3237     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3238
3239     DrawText(startx, starty, setup.player_name, font_nr);
3240
3241 #if defined(TARGET_SDL2)
3242     SDL_StopTextInput();
3243 #endif
3244   }
3245 }
3246
3247
3248 /* ========================================================================= */
3249 /* tree menu functions                                                       */
3250 /* ========================================================================= */
3251
3252 static void DrawChooseTree(TreeInfo **ti_ptr)
3253 {
3254   int fade_mask = (DrawingAreaChanged() ? REDRAW_ALL : REDRAW_FIELD);
3255
3256   UnmapAllGadgets();
3257
3258   FreeScreenGadgets();
3259   CreateScreenGadgets();
3260
3261   CloseDoor(DOOR_CLOSE_2);
3262
3263   FadeOut(fade_mask);
3264
3265   ClearField();
3266
3267   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3268   MapScreenTreeGadgets(*ti_ptr);
3269
3270   FadeIn(fade_mask);
3271
3272   InitAnimation();
3273 }
3274
3275 static void AdjustScrollbar(int id, int items_max, int items_visible,
3276                             int item_position)
3277 {
3278   struct GadgetInfo *gi = screen_gadget[id];
3279
3280   if (item_position > items_max - items_visible)
3281     item_position = items_max - items_visible;
3282
3283   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3284                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3285                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3286 }
3287
3288 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
3289 {
3290   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
3291                   first_entry);
3292 }
3293
3294 static void clearMenuListArea()
3295 {
3296   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3297
3298   /* correct scrollbar position if placed outside menu (playfield) area */
3299   if (scrollbar_xpos > mSX + SC_SCROLLBAR_XPOS)
3300     scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS;
3301
3302   /* clear menu list area, but not title or scrollbar */
3303   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
3304                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
3305 }
3306
3307 static void drawChooseTreeList(int first_entry, int num_page_entries,
3308                                TreeInfo *ti)
3309 {
3310   int i;
3311   char *title_string = NULL;
3312   int yoffset_sets = MENU_TITLE1_YPOS;
3313   int yoffset_setup = 16;
3314   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3315                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3316   int last_game_status = game_status;   /* save current game status */
3317
3318   title_string = ti->infotext;
3319
3320   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3321
3322   clearMenuListArea();
3323
3324   for (i = 0; i < num_page_entries; i++)
3325   {
3326     TreeInfo *node, *node_first;
3327     int entry_pos = first_entry + i;
3328     int xpos = MENU_SCREEN_START_XPOS;
3329     int ypos = MENU_SCREEN_START_YPOS + i;
3330     int startx = mSX + xpos * 32;
3331     int starty = mSY + ypos * 32;
3332     int font_nr = FONT_TEXT_1;
3333     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3334     int startx_text = startx + font_xoffset;
3335     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3336     int text_size = startx_scrollbar - startx_text;
3337     int max_buffer_len = text_size / getFontWidth(font_nr);
3338     char buffer[max_buffer_len + 1];
3339
3340     node_first = getTreeInfoFirstGroupEntry(ti);
3341     node = getTreeInfoFromPos(node_first, entry_pos);
3342
3343     strncpy(buffer, node->name, max_buffer_len);
3344     buffer[max_buffer_len] = '\0';
3345
3346     DrawText(startx, starty, buffer, font_nr + node->color);
3347
3348     if (node->parent_link)
3349       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3350     else if (node->level_group)
3351       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3352     else
3353       initCursor(i, IMG_MENU_BUTTON);
3354   }
3355
3356   game_status = last_game_status;       /* restore current game status */
3357
3358   redraw_mask |= REDRAW_FIELD;
3359 }
3360
3361 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3362 {
3363   TreeInfo *node, *node_first;
3364   int x, last_redraw_mask = redraw_mask;
3365   int ypos = MENU_TITLE2_YPOS;
3366   int font_nr = FONT_TITLE_2;
3367
3368   if (ti->type == TREE_TYPE_LEVEL_NR)
3369     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3370
3371   if (ti->type != TREE_TYPE_LEVEL_DIR)
3372     return;
3373
3374   node_first = getTreeInfoFirstGroupEntry(ti);
3375   node = getTreeInfoFromPos(node_first, entry_pos);
3376
3377   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3378
3379   if (node->parent_link)
3380     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3381                       node->node_parent->name);
3382   else if (node->level_group)
3383     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3384                       node->name);
3385   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3386     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3387                       node->levels, (node->levels > 1 ? "levels" : "level"),
3388                       node->class_desc);
3389
3390   /* let BackToFront() redraw only what is needed */
3391   redraw_mask = last_redraw_mask | REDRAW_TILES;
3392   for (x = 0; x < SCR_FIELDX; x++)
3393     MarkTileDirty(x, 1);
3394 }
3395
3396 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3397                              TreeInfo **ti_ptr)
3398 {
3399   TreeInfo *ti = *ti_ptr;
3400   int x = 0;
3401   int y = ti->cl_cursor;
3402   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3403   int num_entries = numTreeInfoInGroup(ti);
3404   int num_page_entries;
3405   int last_game_status = game_status;   /* save current game status */
3406   boolean position_set_by_scrollbar = (dx == 999);
3407
3408   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3409     num_page_entries = num_entries;
3410   else
3411     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3412
3413   game_status = last_game_status;       /* restore current game status */
3414
3415   if (button == MB_MENU_INITIALIZE)
3416   {
3417     int num_entries = numTreeInfoInGroup(ti);
3418     int entry_pos = posTreeInfo(ti);
3419
3420     if (ti->cl_first == -1)
3421     {
3422       /* only on initialization */
3423       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3424       ti->cl_cursor = entry_pos - ti->cl_first;
3425     }
3426     else if (ti->cl_cursor >= num_page_entries ||
3427              (num_entries > num_page_entries &&
3428               num_entries - ti->cl_first < num_page_entries))
3429     {
3430       /* only after change of list size (by custom graphic configuration) */
3431       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3432       ti->cl_cursor = entry_pos - ti->cl_first;
3433     }
3434
3435     if (position_set_by_scrollbar)
3436       ti->cl_first = dy;
3437     else
3438       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3439                                 ti->cl_first, ti);
3440
3441     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3442     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3443     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3444
3445     return;
3446   }
3447   else if (button == MB_MENU_LEAVE)
3448   {
3449     FadeSetLeaveMenu();
3450
3451     PlaySound(SND_MENU_ITEM_SELECTING);
3452
3453     if (ti->node_parent)
3454     {
3455       *ti_ptr = ti->node_parent;
3456       DrawChooseTree(ti_ptr);
3457     }
3458     else if (game_status == GAME_MODE_SETUP)
3459     {
3460       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3461           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
3462         execSetupGame();
3463       else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
3464                setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3465                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
3466         execSetupGraphics();
3467       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3468                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3469                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3470         execSetupSound();
3471       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3472                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3473                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3474         execSetupTouch();
3475       else
3476         execSetupArtwork();
3477     }
3478     else
3479     {
3480       if (game_status == GAME_MODE_LEVELNR)
3481       {
3482         int new_level_nr = atoi(level_number_current->identifier);
3483
3484         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3485       }
3486
3487       game_status = GAME_MODE_MAIN;
3488
3489       DrawMainMenuExt(REDRAW_FIELD, FALSE);
3490     }
3491
3492     return;
3493   }
3494
3495   if (mx || my)         /* mouse input */
3496   {
3497     int last_game_status = game_status; /* save current game status */
3498
3499     x = (mx - mSX) / 32;
3500     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3501
3502     game_status = last_game_status;     /* restore current game status */
3503   }
3504   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3505   {
3506     /* move cursor instead of scrolling when already at start/end of list */
3507     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3508       dy = -1;
3509     else if (dy == +1 * SCROLL_LINE &&
3510              ti->cl_first + num_page_entries == num_entries)
3511       dy = 1;
3512
3513     /* handle scrolling screen one line or page */
3514     if (ti->cl_cursor + dy < 0 ||
3515         ti->cl_cursor + dy > num_page_entries - 1)
3516     {
3517       boolean redraw = FALSE;
3518
3519       if (ABS(dy) == SCROLL_PAGE)
3520         step = num_page_entries - 1;
3521
3522       if (dy < 0 && ti->cl_first > 0)
3523       {
3524         /* scroll page/line up */
3525
3526         ti->cl_first -= step;
3527         if (ti->cl_first < 0)
3528           ti->cl_first = 0;
3529
3530         redraw = TRUE;
3531       }
3532       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3533       {
3534         /* scroll page/line down */
3535
3536         ti->cl_first += step;
3537         if (ti->cl_first + num_page_entries > num_entries)
3538           ti->cl_first = MAX(0, num_entries - num_page_entries);
3539
3540         redraw = TRUE;
3541       }
3542
3543       if (redraw)
3544       {
3545         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3546         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3547         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3548
3549         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3550                                   ti->cl_first, ti);
3551       }
3552
3553
3554       return;
3555     }
3556
3557     /* handle moving cursor one line */
3558     y = ti->cl_cursor + dy;
3559   }
3560
3561   if (dx == 1)
3562   {
3563     TreeInfo *node_first, *node_cursor;
3564     int entry_pos = ti->cl_first + y;
3565
3566     node_first = getTreeInfoFirstGroupEntry(ti);
3567     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3568
3569     if (node_cursor->node_group)
3570     {
3571       FadeSetEnterMenu();
3572
3573       PlaySound(SND_MENU_ITEM_SELECTING);
3574
3575       node_cursor->cl_first = ti->cl_first;
3576       node_cursor->cl_cursor = ti->cl_cursor;
3577       *ti_ptr = node_cursor->node_group;
3578       DrawChooseTree(ti_ptr);
3579
3580       return;
3581     }
3582   }
3583   else if (dx == -1 && ti->node_parent)
3584   {
3585     FadeSetLeaveMenu();
3586
3587     PlaySound(SND_MENU_ITEM_SELECTING);
3588
3589     *ti_ptr = ti->node_parent;
3590     DrawChooseTree(ti_ptr);
3591
3592     return;
3593   }
3594
3595   if (!anyScrollbarGadgetActive() &&
3596       IN_VIS_MENU(x, y) &&
3597       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3598       y >= 0 && y < num_page_entries)
3599   {
3600     if (button)
3601     {
3602       if (y != ti->cl_cursor)
3603       {
3604         PlaySound(SND_MENU_ITEM_ACTIVATING);
3605
3606         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3607         drawChooseTreeCursor(y, TRUE);
3608         drawChooseTreeInfo(ti->cl_first + y, ti);
3609
3610         ti->cl_cursor = y;
3611       }
3612     }
3613     else
3614     {
3615       TreeInfo *node_first, *node_cursor;
3616       int entry_pos = ti->cl_first + y;
3617
3618       PlaySound(SND_MENU_ITEM_SELECTING);
3619
3620       node_first = getTreeInfoFirstGroupEntry(ti);
3621       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3622
3623       if (node_cursor->node_group)
3624       {
3625         FadeSetEnterMenu();
3626
3627         node_cursor->cl_first = ti->cl_first;
3628         node_cursor->cl_cursor = ti->cl_cursor;
3629         *ti_ptr = node_cursor->node_group;
3630         DrawChooseTree(ti_ptr);
3631       }
3632       else if (node_cursor->parent_link)
3633       {
3634         FadeSetLeaveMenu();
3635
3636         *ti_ptr = node_cursor->node_parent;
3637         DrawChooseTree(ti_ptr);
3638       }
3639       else
3640       {
3641         FadeSetEnterMenu();
3642
3643         node_cursor->cl_first = ti->cl_first;
3644         node_cursor->cl_cursor = ti->cl_cursor;
3645         *ti_ptr = node_cursor;
3646
3647         if (ti->type == TREE_TYPE_LEVEL_DIR)
3648         {
3649           LoadLevelSetup_SeriesInfo();
3650
3651           SaveLevelSetup_LastSeries();
3652           SaveLevelSetup_SeriesInfo();
3653           TapeErase();
3654         }
3655
3656         if (game_status == GAME_MODE_SETUP)
3657         {
3658           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3659               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
3660             execSetupGame();
3661           else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
3662                    setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3663                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
3664             execSetupGraphics();
3665           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3666                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3667                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3668             execSetupSound();
3669           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3670                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3671                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3672             execSetupTouch();
3673           else
3674             execSetupArtwork();
3675         }
3676         else
3677         {
3678           if (game_status == GAME_MODE_LEVELNR)
3679           {
3680             int new_level_nr = atoi(level_number_current->identifier);
3681
3682             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3683           }
3684
3685           game_status = GAME_MODE_MAIN;
3686
3687           DrawMainMenu();
3688         }
3689       }
3690     }
3691   }
3692 }
3693
3694 void DrawChooseLevelSet()
3695 {
3696   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
3697
3698   DrawChooseTree(&leveldir_current);
3699
3700   PlayMenuSound();
3701   PlayMenuMusic();
3702 }
3703
3704 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
3705 {
3706   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
3707 }
3708
3709 void DrawChooseLevelNr()
3710 {
3711   int i;
3712
3713   if (level_number != NULL)
3714   {
3715     freeTreeInfo(level_number);
3716
3717     level_number = NULL;
3718   }
3719
3720   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
3721   {
3722     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
3723     char identifier[32], name[32];
3724     int value = i;
3725
3726     /* temporarily load level info to get level name */
3727     LoadLevelInfoOnly(i);
3728
3729     ti->node_top = &level_number;
3730     ti->sort_priority = 10000 + value;
3731     ti->color = (level.no_valid_file ? FC_BLUE :
3732                  LevelStats_getSolved(i) ? FC_GREEN :
3733                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
3734
3735     sprintf(identifier, "%d", value);
3736     sprintf(name, "%03d: %s", value,
3737             (level.no_valid_file ? "(no file)" : level.name));
3738
3739     setString(&ti->identifier, identifier);
3740     setString(&ti->name, name);
3741     setString(&ti->name_sorting, name);
3742
3743     pushTreeInfo(&level_number, ti);
3744   }
3745
3746   /* sort level number values to start with lowest level number */
3747   sortTreeInfo(&level_number);
3748
3749   /* set current level number to current level number */
3750   level_number_current =
3751     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
3752
3753   /* if that also fails, set current level number to first available level */
3754   if (level_number_current == NULL)
3755     level_number_current = level_number;
3756
3757   SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
3758
3759   DrawChooseTree(&level_number_current);
3760
3761   PlayMenuSound();
3762   PlayMenuMusic();
3763 }
3764
3765 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
3766 {
3767   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
3768 }
3769
3770 void DrawHallOfFame(int highlight_position)
3771 {
3772   int fade_mask = (DrawingAreaChanged() ? REDRAW_ALL : REDRAW_FIELD);
3773
3774   UnmapAllGadgets();
3775   FadeSoundsAndMusic();
3776
3777   /* (this is needed when called from GameEnd() after winning a game) */
3778   KeyboardAutoRepeatOn();
3779   ActivateJoystick();
3780
3781   /* (this is needed when called from GameEnd() after winning a game) */
3782   SetDrawDeactivationMask(REDRAW_NONE);
3783   SetDrawBackgroundMask(REDRAW_FIELD);
3784
3785   CloseDoor(DOOR_CLOSE_2);
3786
3787   if (highlight_position < 0)
3788     LoadScore(level_nr);
3789
3790   FadeSetEnterScreen();
3791
3792   FadeOut(fade_mask);
3793
3794   InitAnimation();
3795
3796   PlayMenuSound();
3797   PlayMenuMusic();
3798
3799   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
3800
3801   FadeIn(fade_mask);
3802 }
3803
3804 static void drawHallOfFameList(int first_entry, int highlight_position)
3805 {
3806   int i, j;
3807
3808   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
3809   ClearField();
3810
3811   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
3812   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
3813                     "HighScores of Level %d", level_nr);
3814
3815   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
3816   {
3817     int entry = first_entry + i;
3818     boolean active = (entry == highlight_position);
3819     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
3820     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
3821     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
3822     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
3823     int dx1 = 3 * getFontWidth(font_nr1);
3824     int dx2 = dx1 + getFontWidth(font_nr1);
3825     int dx3 = SXSIZE - 2 * (mSX - SX) - 5 * getFontWidth(font_nr4);
3826     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
3827     int sy = mSY + 64 + i * 32;
3828
3829     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
3830     DrawText(mSX + dx1, sy, ".", font_nr1);
3831
3832     for (j = 0; j < num_dots; j++)
3833       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
3834
3835     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
3836       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
3837
3838     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
3839   }
3840
3841   redraw_mask |= REDRAW_FIELD;
3842 }
3843
3844 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
3845 {
3846   static int first_entry = 0;
3847   static int highlight_position = 0;
3848   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3849
3850   if (button == MB_MENU_INITIALIZE)
3851   {
3852     first_entry = 0;
3853     highlight_position = mx;
3854     drawHallOfFameList(first_entry, highlight_position);
3855
3856     return;
3857   }
3858
3859   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
3860     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
3861
3862   if (dy < 0)
3863   {
3864     if (first_entry > 0)
3865     {
3866       first_entry -= step;
3867       if (first_entry < 0)
3868         first_entry = 0;
3869
3870       drawHallOfFameList(first_entry, highlight_position);
3871     }
3872   }
3873   else if (dy > 0)
3874   {
3875     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
3876     {
3877       first_entry += step;
3878       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
3879         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
3880
3881       drawHallOfFameList(first_entry, highlight_position);
3882     }
3883   }
3884   else if (button == MB_MENU_LEAVE)
3885   {
3886     PlaySound(SND_MENU_ITEM_SELECTING);
3887
3888     FadeSound(SND_BACKGROUND_SCORES);
3889
3890     game_status = GAME_MODE_MAIN;
3891
3892     DrawMainMenu();
3893   }
3894   else if (button == MB_MENU_CHOICE)
3895   {
3896     PlaySound(SND_MENU_ITEM_SELECTING);
3897
3898     FadeSound(SND_BACKGROUND_SCORES);
3899
3900     game_status = GAME_MODE_MAIN;
3901
3902     DrawAndFadeInMainMenu(REDRAW_FIELD);
3903   }
3904
3905   if (game_status == GAME_MODE_SCORES)
3906     PlayMenuSoundIfLoop();
3907 }
3908
3909
3910 /* ========================================================================= */
3911 /* setup screen functions                                                    */
3912 /* ========================================================================= */
3913
3914 static struct TokenInfo *setup_info;
3915 static int num_setup_info;      /* number of setup entries shown on screen */
3916 static int max_setup_info;      /* total number of setup entries in list */
3917
3918 static char *screen_mode_text;
3919 static char *window_size_text;
3920 static char *scaling_type_text;
3921 static char *scroll_delay_text;
3922 static char *game_speed_text;
3923 static char *graphics_set_name;
3924 static char *sounds_set_name;
3925 static char *music_set_name;
3926 static char *volume_simple_text;
3927 static char *volume_loops_text;
3928 static char *volume_music_text;
3929 static char *touch_controls_text;
3930 static char *move_distance_text;
3931 static char *drop_distance_text;
3932
3933 static void execSetupMain()
3934 {
3935   setup_mode = SETUP_MODE_MAIN;
3936
3937   DrawSetupScreen();
3938 }
3939
3940 static void execSetupGame_setGameSpeeds()
3941 {
3942   if (game_speeds == NULL)
3943   {
3944     int i;
3945
3946     for (i = 0; game_speeds_list[i].value != -1; i++)
3947     {
3948       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
3949       char identifier[32], name[32];
3950       int value = game_speeds_list[i].value;
3951       char *text = game_speeds_list[i].text;
3952
3953       ti->node_top = &game_speeds;
3954       ti->sort_priority = 10000 - value;
3955
3956       sprintf(identifier, "%d", value);
3957       sprintf(name, "%s", text);
3958
3959       setString(&ti->identifier, identifier);
3960       setString(&ti->name, name);
3961       setString(&ti->name_sorting, name);
3962       setString(&ti->infotext, "Game Speed");
3963
3964       pushTreeInfo(&game_speeds, ti);
3965     }
3966
3967     /* sort game speed values to start with slowest game speed */
3968     sortTreeInfo(&game_speeds);
3969
3970     /* set current game speed to configured game speed value */
3971     game_speed_current =
3972       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
3973
3974     /* if that fails, set current game speed to reliable default value */
3975     if (game_speed_current == NULL)
3976       game_speed_current =
3977         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
3978
3979     /* if that also fails, set current game speed to first available speed */
3980     if (game_speed_current == NULL)
3981       game_speed_current = game_speeds;
3982   }
3983
3984   setup.game_frame_delay = atoi(game_speed_current->identifier);
3985
3986   /* needed for displaying game speed text instead of identifier */
3987   game_speed_text = game_speed_current->name;
3988 }
3989
3990 static void execSetupGame_setScrollDelays()
3991 {
3992   if (scroll_delays == NULL)
3993   {
3994     int i;
3995
3996     for (i = 0; scroll_delays_list[i].value != -1; i++)
3997     {
3998       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
3999       char identifier[32], name[32];
4000       int value = scroll_delays_list[i].value;
4001       char *text = scroll_delays_list[i].text;
4002
4003       ti->node_top = &scroll_delays;
4004       ti->sort_priority = value;
4005
4006       sprintf(identifier, "%d", value);
4007       sprintf(name, "%s", text);
4008
4009       setString(&ti->identifier, identifier);
4010       setString(&ti->name, name);
4011       setString(&ti->name_sorting, name);
4012       setString(&ti->infotext, "Scaling Type");
4013
4014       pushTreeInfo(&scroll_delays, ti);
4015     }
4016
4017     /* sort scaling type values to start with lowest scaling type value */
4018     sortTreeInfo(&scroll_delays);
4019
4020     /* set current scaling type value to configured scaling type value */
4021     scroll_delay_current =
4022       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4023
4024     /* if that fails, set current scaling type to reliable default value */
4025     if (scroll_delay_current == NULL)
4026       scroll_delay_current =
4027         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4028
4029     /* if that also fails, set current scaling type to first available value */
4030     if (scroll_delay_current == NULL)
4031       scroll_delay_current = scroll_delays;
4032   }
4033
4034   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4035
4036   /* needed for displaying scaling type text instead of identifier */
4037   scroll_delay_text = scroll_delay_current->name;
4038 }
4039
4040 static void execSetupGame()
4041 {
4042   execSetupGame_setGameSpeeds();
4043   execSetupGame_setScrollDelays();
4044
4045   setup_mode = SETUP_MODE_GAME;
4046
4047   DrawSetupScreen();
4048 }
4049
4050 static void execSetupChooseGameSpeed()
4051 {
4052   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4053
4054   DrawSetupScreen();
4055 }
4056
4057 static void execSetupChooseScrollDelay()
4058 {
4059   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4060
4061   DrawSetupScreen();
4062 }
4063
4064 static void execSetupEditor()
4065 {
4066   setup_mode = SETUP_MODE_EDITOR;
4067
4068   DrawSetupScreen();
4069 }
4070
4071 static void execSetupGraphics_setWindowSizes(boolean update_list)
4072 {
4073   if (window_sizes != NULL && update_list)
4074   {
4075     freeTreeInfo(window_sizes);
4076
4077     window_sizes = NULL;
4078   }
4079
4080   if (window_sizes == NULL)
4081   {
4082     boolean current_window_size_found = FALSE;
4083     int i;
4084
4085     for (i = 0; window_sizes_list[i].value != -1; i++)
4086     {
4087       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4088       char identifier[32], name[32];
4089       int value = window_sizes_list[i].value;
4090       char *text = window_sizes_list[i].text;
4091
4092       ti->node_top = &window_sizes;
4093       ti->sort_priority = value;
4094
4095       sprintf(identifier, "%d", value);
4096       sprintf(name, "%s", text);
4097
4098       setString(&ti->identifier, identifier);
4099       setString(&ti->name, name);
4100       setString(&ti->name_sorting, name);
4101       setString(&ti->infotext, "Window Scaling");
4102
4103       pushTreeInfo(&window_sizes, ti);
4104
4105       if (value == setup.window_scaling_percent)
4106         current_window_size_found = TRUE;
4107     }
4108
4109     if (!current_window_size_found)
4110     {
4111       // add entry for non-preset window scaling value
4112
4113       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4114       char identifier[32], name[32];
4115       int value = setup.window_scaling_percent;
4116
4117       ti->node_top = &window_sizes;
4118       ti->sort_priority = value;
4119
4120       sprintf(identifier, "%d", value);
4121       sprintf(name, "%d %% (Current)", value);
4122
4123       setString(&ti->identifier, identifier);
4124       setString(&ti->name, name);
4125       setString(&ti->name_sorting, name);
4126       setString(&ti->infotext, "Window Scaling");
4127
4128       pushTreeInfo(&window_sizes, ti);
4129     }
4130
4131     /* sort window size values to start with lowest window size value */
4132     sortTreeInfo(&window_sizes);
4133
4134     /* set current window size value to configured window size value */
4135     window_size_current =
4136       getTreeInfoFromIdentifier(window_sizes,
4137                                 i_to_a(setup.window_scaling_percent));
4138
4139     /* if that fails, set current window size to reliable default value */
4140     if (window_size_current == NULL)
4141       window_size_current =
4142         getTreeInfoFromIdentifier(window_sizes,
4143                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4144
4145     /* if that also fails, set current window size to first available value */
4146     if (window_size_current == NULL)
4147       window_size_current = window_sizes;
4148   }
4149
4150   setup.window_scaling_percent = atoi(window_size_current->identifier);
4151
4152   /* needed for displaying window size text instead of identifier */
4153   window_size_text = window_size_current->name;
4154 }
4155
4156 static void execSetupGraphics_setScalingTypes()
4157 {
4158   if (scaling_types == NULL)
4159   {
4160     int i;
4161
4162     for (i = 0; scaling_types_list[i].value != NULL; i++)
4163     {
4164       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4165       char identifier[32], name[32];
4166       char *value = scaling_types_list[i].value;
4167       char *text = scaling_types_list[i].text;
4168
4169       ti->node_top = &scaling_types;
4170       ti->sort_priority = i;
4171
4172       sprintf(identifier, "%s", value);
4173       sprintf(name, "%s", text);
4174
4175       setString(&ti->identifier, identifier);
4176       setString(&ti->name, name);
4177       setString(&ti->name_sorting, name);
4178       setString(&ti->infotext, "Anti-Aliasing");
4179
4180       pushTreeInfo(&scaling_types, ti);
4181     }
4182
4183     /* sort scaling type values to start with lowest scaling type value */
4184     sortTreeInfo(&scaling_types);
4185
4186     /* set current scaling type value to configured scaling type value */
4187     scaling_type_current =
4188       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4189
4190     /* if that fails, set current scaling type to reliable default value */
4191     if (scaling_type_current == NULL)
4192       scaling_type_current =
4193         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4194
4195     /* if that also fails, set current scaling type to first available value */
4196     if (scaling_type_current == NULL)
4197       scaling_type_current = scaling_types;
4198   }
4199
4200   setup.window_scaling_quality = scaling_type_current->identifier;
4201
4202   /* needed for displaying scaling type text instead of identifier */
4203   scaling_type_text = scaling_type_current->name;
4204 }
4205
4206 static void execSetupGraphics_setScreenModes()
4207 {
4208   // if (screen_modes == NULL && video.fullscreen_available)
4209   if (screen_modes == NULL && video.fullscreen_modes != NULL)
4210   {
4211     int i;
4212
4213     for (i = 0; video.fullscreen_modes[i].width != -1; i++)
4214     {
4215       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4216       char identifier[32], name[32];
4217       int x = video.fullscreen_modes[i].width;
4218       int y = video.fullscreen_modes[i].height;
4219       int xx, yy;
4220
4221       get_aspect_ratio_from_screen_mode(&video.fullscreen_modes[i], &xx, &yy);
4222
4223       ti->node_top = &screen_modes;
4224       ti->sort_priority = x * 10000 + y;
4225
4226       sprintf(identifier, "%dx%d", x, y);
4227       sprintf(name, "%d x %d [%d:%d]", x, y, xx, yy);
4228
4229       setString(&ti->identifier, identifier);
4230       setString(&ti->name, name);
4231       setString(&ti->name_sorting, name);
4232       setString(&ti->infotext, "Fullscreen Mode");
4233
4234       pushTreeInfo(&screen_modes, ti);
4235     }
4236
4237     /* sort fullscreen modes to start with lowest available screen resolution */
4238     sortTreeInfo(&screen_modes);
4239
4240     /* set current screen mode for fullscreen mode to configured setup value */
4241     screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4242                                                     setup.fullscreen_mode);
4243
4244     /* if that fails, set current screen mode to reliable default value */
4245     if (screen_mode_current == NULL)
4246       screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4247                                                       DEFAULT_FULLSCREEN_MODE);
4248
4249     /* if that also fails, set current screen mode to first available mode */
4250     if (screen_mode_current == NULL)
4251       screen_mode_current = screen_modes;
4252
4253     if (screen_mode_current == NULL)
4254       video.fullscreen_available = FALSE;
4255   }
4256
4257   // if (video.fullscreen_available)
4258   if (screen_mode_current != NULL)
4259   {
4260     setup.fullscreen_mode = screen_mode_current->identifier;
4261
4262     /* needed for displaying screen mode name instead of identifier */
4263     screen_mode_text = screen_mode_current->name;
4264   }
4265 }
4266
4267 static void execSetupGraphics()
4268 {
4269   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4270   {
4271     // update "setup.window_scaling_percent" from list selection
4272     execSetupGraphics_setWindowSizes(FALSE);
4273   }
4274   else
4275   {
4276     // update list selection from "setup.window_scaling_percent"
4277     execSetupGraphics_setWindowSizes(TRUE);
4278   }
4279
4280   execSetupGraphics_setScalingTypes();
4281   execSetupGraphics_setScreenModes();
4282
4283   setup_mode = SETUP_MODE_GRAPHICS;
4284
4285   DrawSetupScreen();
4286
4287 #if defined(TARGET_SDL2)
4288   // window scaling may have changed at this point
4289   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4290
4291   // window scaling quality may have changed at this point
4292   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4293     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4294 #endif
4295 }
4296
4297 #if !defined(PLATFORM_ANDROID)
4298 #if defined(TARGET_SDL2)
4299 static void execSetupChooseWindowSize()
4300 {
4301   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4302
4303   DrawSetupScreen();
4304 }
4305
4306 static void execSetupChooseScalingType()
4307 {
4308   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4309
4310   DrawSetupScreen();
4311 }
4312 #else
4313 static void execSetupChooseScreenMode()
4314 {
4315   if (!video.fullscreen_available)
4316     return;
4317
4318   setup_mode = SETUP_MODE_CHOOSE_SCREEN_MODE;
4319
4320   DrawSetupScreen();
4321 }
4322 #endif
4323 #endif
4324
4325 static void execSetupChooseVolumeSimple()
4326 {
4327   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4328
4329   DrawSetupScreen();
4330 }
4331
4332 static void execSetupChooseVolumeLoops()
4333 {
4334   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4335
4336   DrawSetupScreen();
4337 }
4338
4339 static void execSetupChooseVolumeMusic()
4340 {
4341   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4342
4343   DrawSetupScreen();
4344 }
4345
4346 static void execSetupSound()
4347 {
4348   if (volumes_simple == NULL)
4349   {
4350     int i;
4351
4352     for (i = 0; volumes_list[i].value != -1; i++)
4353     {
4354       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4355       char identifier[32], name[32];
4356       int value = volumes_list[i].value;
4357       char *text = volumes_list[i].text;
4358
4359       ti->node_top = &volumes_simple;
4360       ti->sort_priority = value;
4361
4362       sprintf(identifier, "%d", value);
4363       sprintf(name, "%s", text);
4364
4365       setString(&ti->identifier, identifier);
4366       setString(&ti->name, name);
4367       setString(&ti->name_sorting, name);
4368       setString(&ti->infotext, "Sound Volume");
4369
4370       pushTreeInfo(&volumes_simple, ti);
4371     }
4372
4373     /* sort volume values to start with lowest volume value */
4374     sortTreeInfo(&volumes_simple);
4375
4376     /* set current volume value to configured volume value */
4377     volume_simple_current =
4378       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4379
4380     /* if that fails, set current volume to reliable default value */
4381     if (volume_simple_current == NULL)
4382       volume_simple_current =
4383         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4384
4385     /* if that also fails, set current volume to first available value */
4386     if (volume_simple_current == NULL)
4387       volume_simple_current = volumes_simple;
4388   }
4389
4390   if (volumes_loops == NULL)
4391   {
4392     int i;
4393
4394     for (i = 0; volumes_list[i].value != -1; i++)
4395     {
4396       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4397       char identifier[32], name[32];
4398       int value = volumes_list[i].value;
4399       char *text = volumes_list[i].text;
4400
4401       ti->node_top = &volumes_loops;
4402       ti->sort_priority = value;
4403
4404       sprintf(identifier, "%d", value);
4405       sprintf(name, "%s", text);
4406
4407       setString(&ti->identifier, identifier);
4408       setString(&ti->name, name);
4409       setString(&ti->name_sorting, name);
4410       setString(&ti->infotext, "Loops Volume");
4411
4412       pushTreeInfo(&volumes_loops, ti);
4413     }
4414
4415     /* sort volume values to start with lowest volume value */
4416     sortTreeInfo(&volumes_loops);
4417
4418     /* set current volume value to configured volume value */
4419     volume_loops_current =
4420       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4421
4422     /* if that fails, set current volume to reliable default value */
4423     if (volume_loops_current == NULL)
4424       volume_loops_current =
4425         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4426
4427     /* if that also fails, set current volume to first available value */
4428     if (volume_loops_current == NULL)
4429       volume_loops_current = volumes_loops;
4430   }
4431
4432   if (volumes_music == NULL)
4433   {
4434     int i;
4435
4436     for (i = 0; volumes_list[i].value != -1; i++)
4437     {
4438       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4439       char identifier[32], name[32];
4440       int value = volumes_list[i].value;
4441       char *text = volumes_list[i].text;
4442
4443       ti->node_top = &volumes_music;
4444       ti->sort_priority = value;
4445
4446       sprintf(identifier, "%d", value);
4447       sprintf(name, "%s", text);
4448
4449       setString(&ti->identifier, identifier);
4450       setString(&ti->name, name);
4451       setString(&ti->name_sorting, name);
4452       setString(&ti->infotext, "Music Volume");
4453
4454       pushTreeInfo(&volumes_music, ti);
4455     }
4456
4457     /* sort volume values to start with lowest volume value */
4458     sortTreeInfo(&volumes_music);
4459
4460     /* set current volume value to configured volume value */
4461     volume_music_current =
4462       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4463
4464     /* if that fails, set current volume to reliable default value */
4465     if (volume_music_current == NULL)
4466       volume_music_current =
4467         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4468
4469     /* if that also fails, set current volume to first available value */
4470     if (volume_music_current == NULL)
4471       volume_music_current = volumes_music;
4472   }
4473
4474   setup.volume_simple = atoi(volume_simple_current->identifier);
4475   setup.volume_loops  = atoi(volume_loops_current->identifier);
4476   setup.volume_music  = atoi(volume_music_current->identifier);
4477
4478   /* needed for displaying volume text instead of identifier */
4479   volume_simple_text = volume_simple_current->name;
4480   volume_loops_text = volume_loops_current->name;
4481   volume_music_text = volume_music_current->name;
4482
4483   setup_mode = SETUP_MODE_SOUND;
4484
4485   DrawSetupScreen();
4486 }
4487
4488 static void execSetupChooseTouchControls()
4489 {
4490   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
4491
4492   DrawSetupScreen();
4493 }
4494
4495 static void execSetupChooseMoveDistance()
4496 {
4497   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
4498
4499   DrawSetupScreen();
4500 }
4501
4502 static void execSetupChooseDropDistance()
4503 {
4504   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
4505
4506   DrawSetupScreen();
4507 }
4508
4509 static void execSetupTouch()
4510 {
4511   if (touch_controls == NULL)
4512   {
4513     int i;
4514
4515     for (i = 0; touch_controls_list[i].value != NULL; i++)
4516     {
4517       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4518       char identifier[32], name[32];
4519       char *value = touch_controls_list[i].value;
4520       char *text = touch_controls_list[i].text;
4521
4522       ti->node_top = &touch_controls;
4523       ti->sort_priority = i;
4524
4525       sprintf(identifier, "%s", value);
4526       sprintf(name, "%s", text);
4527
4528       setString(&ti->identifier, identifier);
4529       setString(&ti->name, name);
4530       setString(&ti->name_sorting, name);
4531       setString(&ti->infotext, "Control Type");
4532
4533       pushTreeInfo(&touch_controls, ti);
4534     }
4535
4536     /* sort touch control values to start with lowest touch control value */
4537     sortTreeInfo(&touch_controls);
4538
4539     /* set current touch control value to configured touch control value */
4540     touch_control_current =
4541       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
4542
4543     /* if that fails, set current touch control to reliable default value */
4544     if (touch_control_current == NULL)
4545       touch_control_current =
4546         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
4547
4548     /* if that also fails, set current touch control to first available value */
4549     if (touch_control_current == NULL)
4550       touch_control_current = touch_controls;
4551   }
4552
4553   if (move_distances == NULL)
4554   {
4555     int i;
4556
4557     for (i = 0; distances_list[i].value != -1; i++)
4558     {
4559       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4560       char identifier[32], name[32];
4561       int value = distances_list[i].value;
4562       char *text = distances_list[i].text;
4563
4564       ti->node_top = &move_distances;
4565       ti->sort_priority = value;
4566
4567       sprintf(identifier, "%d", value);
4568       sprintf(name, "%s", text);
4569
4570       setString(&ti->identifier, identifier);
4571       setString(&ti->name, name);
4572       setString(&ti->name_sorting, name);
4573       setString(&ti->infotext, "Move Distance");
4574
4575       pushTreeInfo(&move_distances, ti);
4576     }
4577
4578     /* sort distance values to start with lowest distance value */
4579     sortTreeInfo(&move_distances);
4580
4581     /* set current distance value to configured distance value */
4582     move_distance_current =
4583       getTreeInfoFromIdentifier(move_distances,
4584                                 i_to_a(setup.touch.move_distance));
4585
4586     /* if that fails, set current distance to reliable default value */
4587     if (move_distance_current == NULL)
4588       move_distance_current =
4589         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
4590
4591     /* if that also fails, set current distance to first available value */
4592     if (move_distance_current == NULL)
4593       move_distance_current = move_distances;
4594   }
4595
4596   if (drop_distances == NULL)
4597   {
4598     int i;
4599
4600     for (i = 0; distances_list[i].value != -1; i++)
4601     {
4602       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4603       char identifier[32], name[32];
4604       int value = distances_list[i].value;
4605       char *text = distances_list[i].text;
4606
4607       ti->node_top = &drop_distances;
4608       ti->sort_priority = value;
4609
4610       sprintf(identifier, "%d", value);
4611       sprintf(name, "%s", text);
4612
4613       setString(&ti->identifier, identifier);
4614       setString(&ti->name, name);
4615       setString(&ti->name_sorting, name);
4616       setString(&ti->infotext, "Drop Distance");
4617
4618       pushTreeInfo(&drop_distances, ti);
4619     }
4620
4621     /* sort distance values to start with lowest distance value */
4622     sortTreeInfo(&drop_distances);
4623
4624     /* set current distance value to configured distance value */
4625     drop_distance_current =
4626       getTreeInfoFromIdentifier(drop_distances,
4627                                 i_to_a(setup.touch.drop_distance));
4628
4629     /* if that fails, set current distance to reliable default value */
4630     if (drop_distance_current == NULL)
4631       drop_distance_current =
4632         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
4633
4634     /* if that also fails, set current distance to first available value */
4635     if (drop_distance_current == NULL)
4636       drop_distance_current = drop_distances;
4637   }
4638
4639   setup.touch.control_type = touch_control_current->identifier;
4640   setup.touch.move_distance = atoi(move_distance_current->identifier);
4641   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
4642
4643   /* needed for displaying volume text instead of identifier */
4644   touch_controls_text = touch_control_current->name;
4645   move_distance_text = move_distance_current->name;
4646   drop_distance_text = drop_distance_current->name;
4647
4648   setup_mode = SETUP_MODE_TOUCH;
4649
4650   DrawSetupScreen();
4651 }
4652
4653 static void execSetupArtwork()
4654 {
4655 #if 0
4656   printf("::: '%s', '%s', '%s'\n",
4657          artwork.gfx_current->subdir,
4658          artwork.gfx_current->fullpath,
4659          artwork.gfx_current->basepath);
4660 #endif
4661
4662   setup.graphics_set = artwork.gfx_current->identifier;
4663   setup.sounds_set = artwork.snd_current->identifier;
4664   setup.music_set = artwork.mus_current->identifier;
4665
4666   /* needed if last screen (setup choice) changed graphics, sounds or music */
4667   ReloadCustomArtwork(0);
4668
4669   /* needed for displaying artwork name instead of artwork identifier */
4670   graphics_set_name = artwork.gfx_current->name;
4671   sounds_set_name = artwork.snd_current->name;
4672   music_set_name = artwork.mus_current->name;
4673
4674   setup_mode = SETUP_MODE_ARTWORK;
4675
4676   DrawSetupScreen();
4677 }
4678
4679 static void execSetupChooseGraphics()
4680 {
4681   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
4682
4683   DrawSetupScreen();
4684 }
4685
4686 static void execSetupChooseSounds()
4687 {
4688   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
4689
4690   DrawSetupScreen();
4691 }
4692
4693 static void execSetupChooseMusic()
4694 {
4695   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
4696
4697   DrawSetupScreen();
4698 }
4699
4700 #if !defined(PLATFORM_ANDROID)
4701 static void execSetupInput()
4702 {
4703   setup_mode = SETUP_MODE_INPUT;
4704
4705   DrawSetupScreen();
4706 }
4707 #endif
4708
4709 static void execSetupShortcuts()
4710 {
4711   setup_mode = SETUP_MODE_SHORTCUTS;
4712
4713   DrawSetupScreen();
4714 }
4715
4716 static void execSetupShortcuts1()
4717 {
4718   setup_mode = SETUP_MODE_SHORTCUTS_1;
4719
4720   DrawSetupScreen();
4721 }
4722
4723 static void execSetupShortcuts2()
4724 {
4725   setup_mode = SETUP_MODE_SHORTCUTS_2;
4726
4727   DrawSetupScreen();
4728 }
4729
4730 static void execSetupShortcuts3()
4731 {
4732   setup_mode = SETUP_MODE_SHORTCUTS_3;
4733
4734   DrawSetupScreen();
4735 }
4736
4737 static void execSetupShortcuts4()
4738 {
4739   setup_mode = SETUP_MODE_SHORTCUTS_4;
4740
4741   DrawSetupScreen();
4742 }
4743
4744 static void execSetupShortcuts5()
4745 {
4746   setup_mode = SETUP_MODE_SHORTCUTS_5;
4747
4748   DrawSetupScreen();
4749 }
4750
4751 static void execExitSetup()
4752 {
4753   game_status = GAME_MODE_MAIN;
4754
4755   DrawMainMenuExt(REDRAW_FIELD, FALSE);
4756 }
4757
4758 static void execSaveAndExitSetup()
4759 {
4760   SaveSetup();
4761   execExitSetup();
4762 }
4763
4764 static struct TokenInfo setup_info_main[] =
4765 {
4766   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
4767   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
4768   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
4769   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
4770   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
4771 #if !defined(PLATFORM_ANDROID)
4772   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
4773   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
4774 #else
4775   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
4776 #endif
4777   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
4778   { TYPE_EMPTY,         NULL,                   ""                      },
4779   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
4780   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
4781
4782   { 0,                  NULL,                   NULL                    }
4783 };
4784
4785 static struct TokenInfo setup_info_game[] =
4786 {
4787   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
4788   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
4789   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
4790   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
4791   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
4792   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
4793   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
4794   { TYPE_STRING,        &game_speed_text,       ""                      },
4795 #if 1
4796   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
4797   { TYPE_STRING,        &scroll_delay_text,     ""                      },
4798 #endif
4799   { TYPE_EMPTY,         NULL,                   ""                      },
4800   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4801
4802   { 0,                  NULL,                   NULL                    }
4803 };
4804
4805 static struct TokenInfo setup_info_editor[] =
4806 {
4807 #if 0
4808   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
4809   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
4810   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
4811   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
4812   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
4813   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
4814   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
4815   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
4816 #endif
4817   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
4818   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
4819   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
4820 #if 0
4821   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
4822 #endif
4823   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
4824   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
4825   { TYPE_EMPTY,         NULL,                   ""                      },
4826 #if 0
4827   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
4828   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
4829   { TYPE_EMPTY,         NULL,                   ""                      },
4830 #endif
4831   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
4832   { TYPE_EMPTY,         NULL,                   ""                      },
4833   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4834
4835   { 0,                  NULL,                   NULL                    }
4836 };
4837
4838 static struct TokenInfo setup_info_graphics[] =
4839 {
4840 #if !defined(PLATFORM_ANDROID)
4841   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
4842 #if defined(TARGET_SDL2)
4843   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
4844   { TYPE_STRING,        &window_size_text,      ""                      },
4845   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
4846   { TYPE_STRING,        &scaling_type_text,     ""                      },
4847 #else
4848   { TYPE_ENTER_LIST,    execSetupChooseScreenMode, "Fullscreen Mode:"   },
4849   { TYPE_STRING,        &screen_mode_text,      ""                      },
4850 #endif
4851 #endif
4852 #if 0
4853   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
4854   { TYPE_STRING,        &scroll_delay_text,     ""                      },
4855 #endif
4856   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
4857   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
4858   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
4859   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
4860   { TYPE_SWITCH,        &setup.toons,           "Show Toons:"           },
4861   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
4862   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
4863   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
4864   { TYPE_EMPTY,         NULL,                   ""                      },
4865   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4866
4867   { 0,                  NULL,                   NULL                    }
4868 };
4869
4870 static struct TokenInfo setup_info_sound[] =
4871 {
4872   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
4873   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
4874   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
4875   { TYPE_EMPTY,         NULL,                   ""                      },
4876   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
4877   { TYPE_STRING,        &volume_simple_text,    ""                      },
4878   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
4879   { TYPE_STRING,        &volume_loops_text,     ""                      },
4880   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
4881   { TYPE_STRING,        &volume_music_text,     ""                      },
4882   { TYPE_EMPTY,         NULL,                   ""                      },
4883   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4884
4885   { 0,                  NULL,                   NULL                    }
4886 };
4887
4888 static struct TokenInfo setup_info_artwork[] =
4889 {
4890   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
4891   { TYPE_STRING,        &graphics_set_name,     ""                      },
4892   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
4893   { TYPE_STRING,        &sounds_set_name,       ""                      },
4894   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
4895   { TYPE_STRING,        &music_set_name,        ""                      },
4896   { TYPE_EMPTY,         NULL,                   ""                      },
4897   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
4898   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
4899   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
4900   { TYPE_EMPTY,         NULL,                   ""                      },
4901   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4902
4903   { 0,                  NULL,                   NULL                    }
4904 };
4905
4906 static struct TokenInfo setup_info_input[] =
4907 {
4908   { TYPE_SWITCH,        NULL,                   "Player:"               },
4909   { TYPE_SWITCH,        NULL,                   "Device:"               },
4910   { TYPE_ENTER_MENU,    NULL,                   ""                      },
4911   { TYPE_EMPTY,         NULL,                   ""                      },
4912   { TYPE_EMPTY,         NULL,                   ""                      },
4913   { TYPE_EMPTY,         NULL,                   ""                      },
4914   { TYPE_EMPTY,         NULL,                   ""                      },
4915   { TYPE_EMPTY,         NULL,                   ""                      },
4916   { TYPE_EMPTY,         NULL,                   ""                      },
4917   { TYPE_EMPTY,         NULL,                   ""                      },
4918   { TYPE_EMPTY,         NULL,                   ""                      },
4919   { TYPE_EMPTY,         NULL,                   ""                      },
4920   { TYPE_EMPTY,         NULL,                   ""                      },
4921   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4922
4923   { 0,                  NULL,                   NULL                    }
4924 };
4925
4926 static struct TokenInfo setup_info_touch[] =
4927 {
4928   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
4929   { TYPE_STRING,        &touch_controls_text,   ""                      },
4930   { TYPE_EMPTY,         NULL,                   ""                      },
4931   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
4932   { TYPE_STRING,        &move_distance_text,    ""                      },
4933   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
4934   { TYPE_STRING,        &drop_distance_text,    ""                      },
4935   { TYPE_EMPTY,         NULL,                   ""                      },
4936   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4937
4938   { 0,                  NULL,                   NULL                    }
4939 };
4940
4941 static struct TokenInfo setup_info_shortcuts[] =
4942 {
4943   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
4944   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
4945   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
4946   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
4947   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
4948   { TYPE_EMPTY,         NULL,                   ""                      },
4949   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
4950
4951   { 0,                  NULL,                   NULL                    }
4952 };
4953
4954 static struct TokenInfo setup_info_shortcuts_1[] =
4955 {
4956   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
4957   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
4958   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
4959   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
4960   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
4961   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
4962   { TYPE_EMPTY,         NULL,                   ""                      },
4963   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
4964   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
4965   { TYPE_EMPTY,         NULL,                   ""                      },
4966   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
4967
4968   { 0,                  NULL,                   NULL                    }
4969 };
4970
4971 static struct TokenInfo setup_info_shortcuts_2[] =
4972 {
4973   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
4974   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
4975   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
4976   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
4977   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
4978   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
4979   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
4980   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
4981   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
4982   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
4983   { TYPE_EMPTY,         NULL,                   ""                      },
4984   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
4985
4986   { 0,                  NULL,                   NULL                    }
4987 };
4988
4989 static struct TokenInfo setup_info_shortcuts_3[] =
4990 {
4991   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
4992   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
4993   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
4994   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
4995   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
4996   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
4997   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
4998   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
4999   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5000   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5001   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5002   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5003   { TYPE_EMPTY,         NULL,                   ""                      },
5004   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5005
5006   { 0,                  NULL,                   NULL                    }
5007 };
5008
5009 static struct TokenInfo setup_info_shortcuts_4[] =
5010 {
5011   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5012   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5013   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5014   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5015   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5016   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5017   { TYPE_EMPTY,         NULL,                   ""                      },
5018   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5019
5020   { 0,                  NULL,                   NULL                    }
5021 };
5022
5023 static struct TokenInfo setup_info_shortcuts_5[] =
5024 {
5025   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5026   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5027   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5028   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5029   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5030   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5031   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5032   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5033   { TYPE_EMPTY,         NULL,                   ""                      },
5034   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5035
5036   { 0,                  NULL,                   NULL                    }
5037 };
5038
5039 static Key getSetupKey()
5040 {
5041   Key key = KSYM_UNDEFINED;
5042   boolean got_key_event = FALSE;
5043
5044   while (!got_key_event)
5045   {
5046     if (PendingEvent())         /* got event */
5047     {
5048       Event event;
5049
5050       NextEvent(&event);
5051
5052       switch (event.type)
5053       {
5054         case EVENT_KEYPRESS:
5055           {
5056             key = GetEventKey((KeyEvent *)&event, TRUE);
5057
5058             /* press 'Escape' or 'Enter' to keep the existing key binding */
5059             if (key == KSYM_Escape || key == KSYM_Return)
5060               key = KSYM_UNDEFINED;     /* keep old value */
5061
5062             got_key_event = TRUE;
5063           }
5064           break;
5065
5066         case EVENT_KEYRELEASE:
5067           key_joystick_mapping = 0;
5068           break;
5069
5070         default:
5071           HandleOtherEvents(&event);
5072           break;
5073       }
5074     }
5075
5076     DoAnimation();
5077     BackToFront();
5078
5079     /* don't eat all CPU time */
5080     Delay(10);
5081   }
5082
5083   return key;
5084 }
5085
5086 static int getSetupTextFont(int type)
5087 {
5088   if (type & (TYPE_SWITCH       |
5089               TYPE_YES_NO       |
5090               TYPE_YES_NO_AUTO  |
5091               TYPE_STRING       |
5092               TYPE_ECS_AGA      |
5093               TYPE_KEYTEXT      |
5094               TYPE_ENTER_LIST))
5095     return FONT_MENU_2;
5096   else
5097     return FONT_MENU_1;
5098 }
5099
5100 static int getSetupValueFont(int type, void *value)
5101 {
5102   if (type & TYPE_KEY)
5103     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5104   else if (type & TYPE_STRING)
5105     return FONT_VALUE_2;
5106   else if (type & TYPE_ECS_AGA)
5107     return FONT_VALUE_1;
5108   else if (type & TYPE_BOOLEAN_STYLE)
5109     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5110   else if (type & TYPE_YES_NO_AUTO)
5111     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5112             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5113   else
5114     return FONT_VALUE_1;
5115 }
5116
5117 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5118 {
5119   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5120   struct TokenInfo *si = &setup_info[si_pos];
5121   boolean font_draw_xoffset_modified = FALSE;
5122   int font_draw_xoffset_old = -1;
5123   int xoffset = (num_setup_info < max_setup_info ? -1 : 0);
5124   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5125   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5126   int xpos = menu_screen_value_xpos;
5127   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5128   int startx = mSX + xpos * 32;
5129   int starty = mSY + ypos * 32;
5130   int font_nr, font_width;
5131   int type = si->type;
5132   void *value = si->value;
5133   char *value_string = getSetupValue(type, value);
5134   int i;
5135
5136   if (value_string == NULL)
5137     return;
5138
5139   if (type & TYPE_KEY)
5140   {
5141     xpos = MENU_SCREEN_START_XPOS;
5142
5143     if (type & TYPE_QUERY)
5144       value_string = "<press key>";
5145   }
5146   else if (type & TYPE_STRING)
5147   {
5148     int max_value_len = (SCR_FIELDX - 2) * 2;
5149
5150     xpos = MENU_SCREEN_START_XPOS;
5151
5152     if (strlen(value_string) > max_value_len)
5153       value_string[max_value_len] = '\0';
5154   }
5155   else if (type & TYPE_YES_NO_AUTO)
5156   {
5157     xpos = menu_screen_value_xpos - 1;
5158   }
5159
5160   startx = mSX + xpos * 32;
5161   starty = mSY + ypos * 32;
5162   font_nr = getSetupValueFont(type, value);
5163   font_width = getFontWidth(font_nr);
5164
5165   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5166   if (setup_mode != SETUP_MODE_INPUT)
5167   {
5168     int max_menu_text_length_big = (menu_screen_value_xpos -
5169                                     MENU_SCREEN_START_XPOS);
5170     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5171     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5172     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5173     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5174     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5175     int text_font_nr = getSetupTextFont(FONT_MENU_2);
5176     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5177     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5178     boolean correct_font_draw_xoffset = FALSE;
5179
5180     if (xpos == MENU_SCREEN_START_XPOS &&
5181         startx + font1_xoffset < text_startx + text_font_xoffset)
5182       correct_font_draw_xoffset = TRUE;
5183
5184     if (xpos == menu_screen_value_xpos &&
5185         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5186       correct_font_draw_xoffset = TRUE;
5187
5188     /* check if setup value would overlap with setup text when printed */
5189     /* (this can happen for extreme/wrong values for font draw offset) */
5190     if (correct_font_draw_xoffset)
5191     {
5192       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5193       font_draw_xoffset_modified = TRUE;
5194
5195       if (type & TYPE_KEY)
5196         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5197       else if (!(type & TYPE_STRING))
5198         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5199           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5200     }
5201   }
5202
5203   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5204     DrawText(startx + i * font_width, starty, " ", font_nr);
5205
5206   DrawText(startx, starty, value_string, font_nr);
5207
5208   if (font_draw_xoffset_modified)
5209     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5210 }
5211
5212 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5213 {
5214   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5215   struct TokenInfo *si = &setup_info[si_pos];
5216
5217   if (si->type & TYPE_BOOLEAN_STYLE)
5218   {
5219     *(boolean *)si->value ^= TRUE;
5220   }
5221   else if (si->type & TYPE_YES_NO_AUTO)
5222   {
5223     *(int *)si->value =
5224       (dx == -1 ?
5225        (*(int *)si->value == AUTO ? TRUE :
5226         *(int *)si->value == TRUE ? FALSE : AUTO) :
5227        (*(int *)si->value == TRUE ? AUTO :
5228         *(int *)si->value == AUTO ? FALSE : TRUE));
5229   }
5230   else if (si->type & TYPE_KEY)
5231   {
5232     Key key;
5233
5234     si->type |= TYPE_QUERY;
5235     drawSetupValue(screen_pos, setup_info_pos_raw);
5236     si->type &= ~TYPE_QUERY;
5237
5238     key = getSetupKey();
5239     if (key != KSYM_UNDEFINED)
5240       *(Key *)si->value = key;
5241   }
5242
5243   drawSetupValue(screen_pos, setup_info_pos_raw);
5244
5245   // fullscreen state may have changed at this point
5246   if (si->value == &setup.fullscreen)
5247     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5248 }
5249
5250 static void DrawCursorAndText_Setup(int screen_pos, int setup_info_pos_raw,
5251                                     boolean active)
5252 {
5253   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5254   struct TokenInfo *si = &setup_info[si_pos];
5255   int xpos = MENU_SCREEN_START_XPOS;
5256   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5257   int font_nr = getSetupTextFont(si->type);
5258
5259   if (setup_info == setup_info_input)
5260     font_nr = FONT_MENU_1;
5261
5262   if (active)
5263     font_nr = FONT_ACTIVE(font_nr);
5264
5265   DrawText(mSX + xpos * 32, mSY + ypos * 32, si->text, font_nr);
5266
5267   if (si->type & ~TYPE_SKIP_ENTRY)
5268     drawCursor(screen_pos, active);
5269 }
5270
5271 static void drawSetupInfoList(struct TokenInfo *setup_info,
5272                               int first_entry, int num_page_entries)
5273 {
5274   int i;
5275
5276   if (num_page_entries > NUM_MENU_ENTRIES_ON_SCREEN)
5277     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
5278
5279   if (num_page_entries > max_setup_info)
5280     num_page_entries = max_setup_info;
5281
5282   if (first_entry + num_page_entries > max_setup_info)
5283     first_entry = 0;
5284
5285   clearMenuListArea();
5286
5287   for (i = 0; i < num_page_entries; i++)
5288   {
5289     int setup_info_pos = first_entry + i;
5290     struct TokenInfo *si = &setup_info[setup_info_pos];
5291     void *value_ptr = si->value;
5292
5293     /* set some entries to "unchangeable" according to other variables */
5294     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
5295         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
5296         (value_ptr == &setup.sound_music  && !audio.music_available) ||
5297         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
5298         (value_ptr == &screen_mode_text   && !video.fullscreen_available) ||
5299         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
5300         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
5301       si->type |= TYPE_GHOSTED;
5302
5303     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5304       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5305     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5306       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5307     else if (si->type & ~TYPE_SKIP_ENTRY)
5308       initCursor(i, IMG_MENU_BUTTON);
5309
5310     DrawCursorAndText_Setup(i, setup_info_pos, FALSE);
5311
5312     if (si->type & TYPE_VALUE)
5313       drawSetupValue(i, setup_info_pos);
5314   }
5315 }
5316
5317 static void DrawSetupScreen_Generic()
5318 {
5319   int fade_mask = (DrawingAreaChanged() ? REDRAW_ALL : REDRAW_FIELD);
5320   boolean redraw_all = FALSE;
5321   char *title_string = NULL;
5322   int i;
5323
5324   UnmapAllGadgets();
5325
5326   FreeScreenGadgets();
5327   CreateScreenGadgets();
5328
5329   CloseDoor(DOOR_CLOSE_2);
5330
5331   if (redraw_mask & REDRAW_ALL)
5332     redraw_all = TRUE;
5333
5334   FadeOut(fade_mask);
5335
5336   ClearField();
5337
5338   if (setup_mode == SETUP_MODE_MAIN)
5339   {
5340     setup_info = setup_info_main;
5341     title_string = "Setup";
5342   }
5343   else if (setup_mode == SETUP_MODE_GAME)
5344   {
5345     setup_info = setup_info_game;
5346     title_string = "Setup Game";
5347   }
5348   else if (setup_mode == SETUP_MODE_EDITOR)
5349   {
5350     setup_info = setup_info_editor;
5351     title_string = "Setup Editor";
5352   }
5353   else if (setup_mode == SETUP_MODE_GRAPHICS)
5354   {
5355     setup_info = setup_info_graphics;
5356     title_string = "Setup Graphics";
5357   }
5358   else if (setup_mode == SETUP_MODE_SOUND)
5359   {
5360     setup_info = setup_info_sound;
5361     title_string = "Setup Sound";
5362   }
5363   else if (setup_mode == SETUP_MODE_ARTWORK)
5364   {
5365     setup_info = setup_info_artwork;
5366     title_string = "Custom Artwork";
5367   }
5368   else if (setup_mode == SETUP_MODE_TOUCH)
5369   {
5370     setup_info = setup_info_touch;
5371     title_string = "Setup Touch Ctrls";
5372   }
5373   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5374   {
5375     setup_info = setup_info_shortcuts;
5376     title_string = "Setup Shortcuts";
5377   }
5378   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5379   {
5380     setup_info = setup_info_shortcuts_1;
5381     title_string = "Setup Shortcuts";
5382   }
5383   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5384   {
5385     setup_info = setup_info_shortcuts_2;
5386     title_string = "Setup Shortcuts";
5387   }
5388   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5389   {
5390     setup_info = setup_info_shortcuts_3;
5391     title_string = "Setup Shortcuts";
5392   }
5393   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5394   {
5395     setup_info = setup_info_shortcuts_4;
5396     title_string = "Setup Shortcuts";
5397   }
5398   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5399   {
5400     setup_info = setup_info_shortcuts_5;
5401     title_string = "Setup Shortcuts";
5402   }
5403
5404   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5405
5406   // determine maximal number of setup entries that can be displayed on screen
5407   num_setup_info = 0;
5408   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5409     num_setup_info++;
5410
5411   // determine maximal number of setup entries available for this setup screen
5412   max_setup_info = 0;
5413   for (i = 0; setup_info[i].type != 0; i++)
5414     max_setup_info++;
5415
5416   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5417
5418   MapScreenGadgets(max_setup_info);
5419
5420   if (redraw_all)
5421     redraw_mask = fade_mask = REDRAW_ALL;
5422
5423   FadeIn(fade_mask);
5424
5425   InitAnimation();
5426 }
5427
5428 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5429 {
5430   static int choice_store[MAX_SETUP_MODES];
5431   static int first_entry_store[MAX_SETUP_MODES];
5432   int choice = choice_store[setup_mode];                /* starts with 0 */
5433   int first_entry = first_entry_store[setup_mode];      /* starts with 0 */
5434   int x = 0;
5435   int y = choice - first_entry;
5436   int y_old = y;
5437   boolean position_set_by_scrollbar = (dx == 999);
5438   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5439   int num_page_entries;
5440
5441   num_page_entries = MIN(max_setup_info, NUM_MENU_ENTRIES_ON_SCREEN);
5442
5443   if (button == MB_MENU_INITIALIZE)
5444   {
5445     /* advance to first valid menu entry */
5446     while (choice < num_setup_info &&
5447            setup_info[choice].type & TYPE_SKIP_ENTRY)
5448       choice++;
5449
5450     if (position_set_by_scrollbar)
5451       first_entry = first_entry_store[setup_mode] = dy;
5452     else
5453       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_setup_info,
5454                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
5455
5456     drawSetupInfoList(setup_info, first_entry, NUM_MENU_ENTRIES_ON_SCREEN);
5457
5458     if (choice < first_entry)
5459     {
5460       choice = first_entry;
5461
5462       if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5463         choice++;
5464     }
5465     else if (choice > first_entry + num_page_entries - 1)
5466     {
5467       choice = first_entry + num_page_entries - 1;
5468
5469       if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5470         choice--;
5471     }
5472
5473     choice_store[setup_mode] = choice;
5474
5475     DrawCursorAndText_Setup(choice - first_entry, choice, TRUE);
5476
5477     return;
5478   }
5479   else if (button == MB_MENU_LEAVE)
5480   {
5481     int i;
5482
5483     PlaySound(SND_MENU_ITEM_SELECTING);
5484
5485     for (i = 0; setup_info[i].type != 0; i++)
5486     {
5487       if (setup_info[i].type & TYPE_LEAVE_MENU)
5488       {
5489         void (*menu_callback_function)(void) = setup_info[i].value;
5490
5491         FadeSetLeaveMenu();
5492
5493         menu_callback_function();
5494
5495         break;  /* absolutely needed because function changes 'setup_info'! */
5496       }
5497     }
5498
5499     return;
5500   }
5501
5502   if (mx || my)         /* mouse input */
5503   {
5504     x = (mx - mSX) / 32;
5505     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
5506   }
5507   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
5508   {
5509     /* move cursor instead of scrolling when already at start/end of list */
5510     if (dy == -1 * SCROLL_LINE && first_entry == 0)
5511       dy = -1;
5512     else if (dy == +1 * SCROLL_LINE &&
5513              first_entry + num_page_entries == max_setup_info)
5514       dy = 1;
5515
5516     /* handle scrolling screen one line or page */
5517     if (y + dy < 0 ||
5518         y + dy > num_page_entries - 1)
5519     {
5520       boolean redraw = FALSE;
5521
5522       if (ABS(dy) == SCROLL_PAGE)
5523         step = num_page_entries - 1;
5524
5525       if (dy < 0 && first_entry > 0)
5526       {
5527         /* scroll page/line up */
5528
5529         first_entry -= step;
5530         if (first_entry < 0)
5531           first_entry = 0;
5532
5533         redraw = TRUE;
5534       }
5535       else if (dy > 0 && first_entry + num_page_entries < max_setup_info)
5536       {
5537         /* scroll page/line down */
5538
5539         first_entry += step;
5540         if (first_entry + num_page_entries > max_setup_info)
5541           first_entry = MAX(0, max_setup_info - num_page_entries);
5542
5543         redraw = TRUE;
5544       }
5545
5546       if (redraw)
5547       {
5548         choice += first_entry - first_entry_store[setup_mode];
5549
5550         if (choice < first_entry)
5551         {
5552           choice = first_entry;
5553
5554           if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5555             choice++;
5556         }
5557         else if (choice > first_entry + num_page_entries - 1)
5558         {
5559           choice = first_entry + num_page_entries - 1;
5560
5561           if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5562             choice--;
5563         }
5564         else if (setup_info[choice].type & TYPE_SKIP_ENTRY)
5565         {
5566           choice += SIGN(dy);
5567
5568           if (choice < first_entry ||
5569               choice > first_entry + num_page_entries - 1)
5570           first_entry += SIGN(dy);
5571         }
5572
5573         first_entry_store[setup_mode] = first_entry;
5574         choice_store[setup_mode] = choice;
5575
5576         drawSetupInfoList(setup_info, first_entry, NUM_MENU_ENTRIES_ON_SCREEN);
5577
5578         DrawCursorAndText_Setup(choice - first_entry, choice, TRUE);
5579
5580         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_setup_info,
5581                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
5582       }
5583
5584       return;
5585     }
5586
5587     if (dx)
5588     {
5589       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
5590
5591       if (setup_info[choice].type & menu_navigation_type ||
5592           setup_info[choice].type & TYPE_BOOLEAN_STYLE ||
5593           setup_info[choice].type & TYPE_YES_NO_AUTO)
5594         button = MB_MENU_CHOICE;
5595     }
5596     else if (dy)
5597       y += dy;
5598
5599     /* jump to next non-empty menu entry (up or down) */
5600     while (first_entry + y > 0 &&
5601            first_entry + y < max_setup_info - 1 &&
5602            setup_info[first_entry + y].type & TYPE_SKIP_ENTRY)
5603       y += dy;
5604
5605     if (!IN_VIS_MENU(x, y))
5606     {
5607       choice += y - y_old;
5608
5609       if (choice < first_entry)
5610         first_entry = choice;
5611       else if (choice > first_entry + num_page_entries - 1)
5612         first_entry = choice - num_page_entries + 1;
5613
5614       if (first_entry >= 0 &&
5615           first_entry + num_page_entries <= max_setup_info)
5616       {
5617         first_entry_store[setup_mode] = first_entry;
5618
5619         if (choice < first_entry)
5620           choice = first_entry;
5621         else if (choice > first_entry + num_page_entries - 1)
5622           choice = first_entry + num_page_entries - 1;
5623
5624         choice_store[setup_mode] = choice;
5625
5626         drawSetupInfoList(setup_info, first_entry, NUM_MENU_ENTRIES_ON_SCREEN);
5627
5628         DrawCursorAndText_Setup(choice - first_entry, choice, TRUE);
5629
5630         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_setup_info,
5631                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
5632       }
5633
5634       return;
5635     }
5636   }
5637
5638   if (!anyScrollbarGadgetActive() &&
5639       IN_VIS_MENU(x, y) &&
5640       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
5641       y >= 0 && y < num_page_entries)
5642   {
5643     if (button)
5644     {
5645       if (first_entry + y != choice &&
5646           setup_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
5647       {
5648         PlaySound(SND_MENU_ITEM_ACTIVATING);
5649
5650         DrawCursorAndText_Setup(choice - first_entry, choice, FALSE);
5651         DrawCursorAndText_Setup(y, first_entry + y, TRUE);
5652
5653         choice = choice_store[setup_mode] = first_entry + y;
5654       }
5655     }
5656     else if (!(setup_info[first_entry + y].type & TYPE_GHOSTED))
5657     {
5658       PlaySound(SND_MENU_ITEM_SELECTING);
5659
5660       /* when selecting key headline, execute function for key value change */
5661       if (setup_info[first_entry + y].type & TYPE_KEYTEXT &&
5662           setup_info[first_entry + y + 1].type & TYPE_KEY)
5663         y++;
5664
5665       /* when selecting string value, execute function for list selection */
5666       if (setup_info[first_entry + y].type & TYPE_STRING && y > 0 &&
5667           setup_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
5668         y--;
5669
5670       if (setup_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
5671       {
5672         void (*menu_callback_function)(void) =
5673           setup_info[first_entry + y].value;
5674
5675         FadeSetFromType(setup_info[first_entry + y].type);
5676
5677         menu_callback_function();
5678       }
5679       else
5680       {
5681         if (setup_info[first_entry + y].type & TYPE_VALUE)
5682           changeSetupValue(y, first_entry + y, dx);
5683       }
5684     }
5685   }
5686 }
5687
5688 void DrawSetupScreen_Input()
5689 {
5690   int i;
5691
5692   FadeOut(REDRAW_FIELD);
5693
5694   ClearField();
5695
5696   setup_info = setup_info_input;
5697
5698   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5699
5700   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5701                     "Joysticks deactivated on this screen");
5702
5703   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5704   {
5705     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5706       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5707     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5708       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5709     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5710       initCursor(i, IMG_MENU_BUTTON);
5711
5712     DrawCursorAndText_Setup(i, -1, FALSE);
5713   }
5714
5715   /* create gadgets for setup input menu screen */
5716   FreeScreenGadgets();
5717   CreateScreenGadgets();
5718
5719   /* map gadgets for setup input menu screen */
5720   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5721
5722   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5723
5724   FadeIn(REDRAW_FIELD);
5725
5726   InitAnimation();
5727 }
5728
5729 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5730 {
5731   if (device_name == NULL)
5732     return;
5733
5734   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5735     device_nr = 0;
5736
5737   if (strlen(device_name) > 1)
5738   {
5739     char c1 = device_name[strlen(device_name) - 1];
5740     char c2 = device_name[strlen(device_name) - 2];
5741
5742     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5743       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5744   }
5745   else
5746     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5747             strlen(device_name));
5748 }
5749
5750 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5751 {
5752   int i;
5753   static struct SetupKeyboardInfo custom_key;
5754   static struct
5755   {
5756     Key *key;
5757     char *text;
5758   } custom[] =
5759   {
5760     { &custom_key.left,  "Joystick Left"  },
5761     { &custom_key.right, "Joystick Right" },
5762     { &custom_key.up,    "Joystick Up"    },
5763     { &custom_key.down,  "Joystick Down"  },
5764     { &custom_key.snap,  "Button 1"       },
5765     { &custom_key.drop,  "Button 2"       }
5766   };
5767   static char *joystick_name[MAX_PLAYERS] =
5768   {
5769     "Joystick1",
5770     "Joystick2",
5771     "Joystick3",
5772     "Joystick4"
5773   };
5774   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5775
5776   InitJoysticks();
5777
5778   custom_key = setup.input[player_nr].key;
5779
5780   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5781            FONT_INPUT_1_ACTIVE);
5782
5783   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5784                              TILEX, TILEY);
5785   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5786                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5787
5788   if (setup.input[player_nr].use_joystick)
5789   {
5790     char *device_name = setup.input[player_nr].joy.device_name;
5791     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
5792     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
5793
5794     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
5795     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
5796   }
5797   else
5798   {
5799     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
5800     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
5801   }
5802
5803   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
5804
5805   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
5806   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
5807   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
5808   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
5809
5810   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
5811   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
5812   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
5813   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
5814   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
5815   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
5816
5817   for (i = 0; i < 6; i++)
5818   {
5819     int ypos = 6 + i + (i > 3 ? i-3 : 0);
5820
5821     DrawText(mSX + 3 * 32, mSY + ypos * 32,
5822              "              ", FONT_VALUE_1);
5823     DrawText(mSX + 3 * 32, mSY + ypos * 32,
5824              (setup.input[player_nr].use_joystick ?
5825               custom[i].text :
5826               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
5827   }
5828 }
5829
5830 static int input_player_nr = 0;
5831
5832 void HandleSetupScreen_Input_Player(int step, int direction)
5833 {
5834   int old_player_nr = input_player_nr;
5835   int new_player_nr;
5836
5837   new_player_nr = old_player_nr + step * direction;
5838   if (new_player_nr < 0)
5839     new_player_nr = 0;
5840   if (new_player_nr > MAX_PLAYERS - 1)
5841     new_player_nr = MAX_PLAYERS - 1;
5842
5843   if (new_player_nr != old_player_nr)
5844   {
5845     input_player_nr = new_player_nr;
5846
5847     drawPlayerSetupInputInfo(input_player_nr, FALSE);
5848   }
5849 }
5850
5851 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
5852 {
5853   static int choice = 0;
5854   int x = 0;
5855   int y = choice;
5856   int pos_start  = SETUPINPUT_SCREEN_POS_START;
5857   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
5858   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
5859   int pos_end    = SETUPINPUT_SCREEN_POS_END;
5860
5861   if (button == MB_MENU_INITIALIZE)
5862   {
5863     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
5864
5865     DrawCursorAndText_Setup(choice, -1, TRUE);
5866
5867     return;
5868   }
5869   else if (button == MB_MENU_LEAVE)
5870   {
5871     setup_mode = SETUP_MODE_MAIN;
5872     DrawSetupScreen();
5873     InitJoysticks();
5874
5875     return;
5876   }
5877
5878   if (mx || my)         /* mouse input */
5879   {
5880     x = (mx - mSX) / 32;
5881     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
5882   }
5883   else if (dx || dy)    /* keyboard input */
5884   {
5885     if (dx && choice == 0)
5886       x = (dx < 0 ? 10 : 12);
5887     else if ((dx && choice == 1) ||
5888              (dx == +1 && choice == 2) ||
5889              (dx == -1 && choice == pos_end))
5890       button = MB_MENU_CHOICE;
5891     else if (dy)
5892       y = choice + dy;
5893
5894     if (y >= pos_empty1 && y <= pos_empty2)
5895       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
5896   }
5897
5898   if (y == 0 && dx != 0 && button)
5899   {
5900     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
5901   }
5902   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
5903            y >= pos_start && y <= pos_end &&
5904            !(y >= pos_empty1 && y <= pos_empty2))
5905   {
5906     if (button)
5907     {
5908       if (y != choice)
5909       {
5910         DrawCursorAndText_Setup(choice, -1, FALSE);
5911         DrawCursorAndText_Setup(y, -1, TRUE);
5912
5913         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
5914
5915         choice = y;
5916       }
5917     }
5918     else
5919     {
5920       if (y == 1)
5921       {
5922         char *device_name = setup.input[input_player_nr].joy.device_name;
5923
5924         if (!setup.input[input_player_nr].use_joystick)
5925         {
5926           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
5927
5928           setJoystickDeviceToNr(device_name, new_device_nr);
5929           setup.input[input_player_nr].use_joystick = TRUE;
5930         }
5931         else
5932         {
5933           int device_nr = getJoystickNrFromDeviceName(device_name);
5934           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
5935
5936           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
5937             setup.input[input_player_nr].use_joystick = FALSE;
5938           else
5939             setJoystickDeviceToNr(device_name, new_device_nr);
5940         }
5941
5942         drawPlayerSetupInputInfo(input_player_nr, FALSE);
5943       }
5944       else if (y == 2)
5945       {
5946         if (setup.input[input_player_nr].use_joystick)
5947         {
5948           InitJoysticks();
5949           CalibrateJoystick(input_player_nr);
5950         }
5951         else
5952           CustomizeKeyboard(input_player_nr);
5953       }
5954       else if (y == pos_end)
5955       {
5956         InitJoysticks();
5957
5958         FadeSetLeaveMenu();
5959
5960         setup_mode = SETUP_MODE_MAIN;
5961         DrawSetupScreen();
5962       }
5963     }
5964   }
5965 }
5966
5967 void CustomizeKeyboard(int player_nr)
5968 {
5969   int i;
5970   int step_nr;
5971   boolean finished = FALSE;
5972   static struct SetupKeyboardInfo custom_key;
5973   static struct
5974   {
5975     Key *key;
5976     char *text;
5977   } customize_step[] =
5978   {
5979     { &custom_key.left,  "Move Left"    },
5980     { &custom_key.right, "Move Right"   },
5981     { &custom_key.up,    "Move Up"      },
5982     { &custom_key.down,  "Move Down"    },
5983     { &custom_key.snap,  "Snap Field"   },
5984     { &custom_key.drop,  "Drop Element" }
5985   };
5986
5987   /* read existing key bindings from player setup */
5988   custom_key = setup.input[player_nr].key;
5989
5990   FadeSetEnterMenu();
5991   FadeOut(REDRAW_FIELD);
5992
5993   ClearField();
5994
5995   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
5996
5997   step_nr = 0;
5998   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
5999            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6000   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6001            "Key:", FONT_INPUT_1_ACTIVE);
6002   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6003            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6004
6005   FadeIn(REDRAW_FIELD);
6006
6007   InitAnimation();
6008
6009   while (!finished)
6010   {
6011     if (PendingEvent())         /* got event */
6012     {
6013       Event event;
6014
6015       NextEvent(&event);
6016
6017       switch (event.type)
6018       {
6019         case EVENT_KEYPRESS:
6020           {
6021             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6022
6023             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6024             {
6025               if (key == KSYM_Escape)
6026                 FadeSkipNextFadeIn();
6027
6028               finished = TRUE;
6029               break;
6030             }
6031
6032             /* all keys configured -- wait for "Escape" or "Return" key */
6033             if (step_nr == 6)
6034               break;
6035
6036             /* press 'Enter' to keep the existing key binding */
6037             if (key == KSYM_Return)
6038               key = *customize_step[step_nr].key;
6039
6040             /* check if key already used */
6041             for (i = 0; i < step_nr; i++)
6042               if (*customize_step[i].key == key)
6043                 break;
6044             if (i < step_nr)
6045               break;
6046
6047             /* got new key binding */
6048             *customize_step[step_nr].key = key;
6049             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6050                      "             ", FONT_VALUE_1);
6051             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6052                      getKeyNameFromKey(key), FONT_VALUE_1);
6053             step_nr++;
6054
6055             /* un-highlight last query */
6056             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6057                      customize_step[step_nr - 1].text, FONT_MENU_1);
6058             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6059                      "Key:", FONT_MENU_1);
6060
6061             /* press 'Enter' to leave */
6062             if (step_nr == 6)
6063             {
6064               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6065                        "Press Enter", FONT_TITLE_1);
6066               break;
6067             }
6068
6069             /* query next key binding */
6070             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6071                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6072             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6073                      "Key:", FONT_INPUT_1_ACTIVE);
6074             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6075                      getKeyNameFromKey(*customize_step[step_nr].key),
6076                      FONT_VALUE_OLD);
6077           }
6078           break;
6079
6080         case EVENT_KEYRELEASE:
6081           key_joystick_mapping = 0;
6082           break;
6083
6084         default:
6085           HandleOtherEvents(&event);
6086           break;
6087       }
6088     }
6089
6090     DoAnimation();
6091     BackToFront();
6092
6093     /* don't eat all CPU time */
6094     Delay(10);
6095   }
6096
6097   /* write new key bindings back to player setup */
6098   setup.input[player_nr].key = custom_key;
6099
6100   StopAnimation();
6101   DrawSetupScreen_Input();
6102 }
6103
6104 static boolean CalibrateJoystickMain(int player_nr)
6105 {
6106   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6107   int new_joystick_xright = JOYSTICK_XMIDDLE;
6108   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6109   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6110   int new_joystick_xmiddle, new_joystick_ymiddle;
6111
6112   int joystick_fd = joystick.fd[player_nr];
6113   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6114   boolean check[3][3];
6115   int check_remaining = 3 * 3;
6116   int joy_x, joy_y;
6117   int joy_value;
6118   int result = -1;
6119
6120   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6121     return FALSE;
6122
6123   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6124     return FALSE;
6125
6126   FadeSetEnterMenu();
6127   FadeOut(REDRAW_FIELD);
6128
6129   ClearField();
6130
6131   for (y = 0; y < 3; y++)
6132   {
6133     for (x = 0; x < 3; x++)
6134     {
6135       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6136       check[x][y] = FALSE;
6137     }
6138   }
6139
6140   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6141   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6142   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6143   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6144   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6145   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6146   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6147
6148   joy_value = Joystick(player_nr);
6149   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6150   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6151
6152   /* eventually uncalibrated center position (joystick could be uncentered) */
6153   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6154     return FALSE;
6155
6156   new_joystick_xmiddle = joy_x;
6157   new_joystick_ymiddle = joy_y;
6158
6159   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6160
6161   FadeIn(REDRAW_FIELD);
6162
6163   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6164   InitAnimation();
6165
6166   while (result < 0)
6167   {
6168     if (PendingEvent())         /* got event */
6169     {
6170       Event event;
6171
6172       NextEvent(&event);
6173
6174       switch (event.type)
6175       {
6176         case EVENT_KEYPRESS:
6177           switch (GetEventKey((KeyEvent *)&event, TRUE))
6178           {
6179             case KSYM_Return:
6180               if (check_remaining == 0)
6181                 result = 1;
6182               break;
6183
6184             case KSYM_Escape:
6185               FadeSkipNextFadeIn();
6186               result = 0;
6187               break;
6188
6189             default:
6190               break;
6191           }
6192           break;
6193
6194         case EVENT_KEYRELEASE:
6195           key_joystick_mapping = 0;
6196           break;
6197
6198         default:
6199           HandleOtherEvents(&event);
6200           break;
6201       }
6202     }
6203
6204     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6205       return FALSE;
6206
6207     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6208     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6209     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6210     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6211
6212     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6213     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6214     setup.input[player_nr].joy.xright = new_joystick_xright;
6215     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6216     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6217     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6218
6219     CheckJoystickData();
6220
6221     joy_value = Joystick(player_nr);
6222
6223     if (joy_value & JOY_BUTTON && check_remaining == 0)
6224       result = 1;
6225
6226     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6227     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6228
6229     if (x != last_x || y != last_y)
6230     {
6231       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6232                        IMG_MENU_CALIBRATE_YELLOW, 0);
6233       DrawFixedGraphic(xpos + x,      ypos + y,
6234                        IMG_MENU_CALIBRATE_RED,    0);
6235
6236       last_x = x;
6237       last_y = y;
6238
6239       if (check_remaining > 0 && !check[x+1][y+1])
6240       {
6241         check[x+1][y+1] = TRUE;
6242         check_remaining--;
6243       }
6244     }
6245
6246     DoAnimation();
6247     BackToFront();
6248
6249     /* don't eat all CPU time */
6250     Delay(10);
6251   }
6252
6253   /* calibrated center position (joystick should now be centered) */
6254   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6255     return FALSE;
6256
6257   new_joystick_xmiddle = joy_x;
6258   new_joystick_ymiddle = joy_y;
6259
6260   StopAnimation();
6261
6262   /* wait until the last pressed button was released */
6263   while (Joystick(player_nr) & JOY_BUTTON)
6264   {
6265     if (PendingEvent())         /* got event */
6266     {
6267       Event event;
6268
6269       NextEvent(&event);
6270       HandleOtherEvents(&event);
6271
6272       Delay(10);
6273     }
6274   }
6275
6276   return TRUE;
6277 }
6278
6279 void CalibrateJoystick(int player_nr)
6280 {
6281   if (!CalibrateJoystickMain(player_nr))
6282   {
6283     char *device_name = setup.input[player_nr].joy.device_name;
6284     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6285     int xpos = mSX - SX;
6286     int ypos = mSY - SY;
6287
6288     ClearField();
6289
6290     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6291     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6292     BackToFront();
6293
6294     Delay(2000);                /* show error message for a short time */
6295
6296     ClearEventQueue();
6297   }
6298
6299   DrawSetupScreen_Input();
6300 }
6301
6302 void DrawSetupScreen()
6303 {
6304   DeactivateJoystick();
6305
6306   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6307
6308   if (setup_mode == SETUP_MODE_INPUT)
6309     DrawSetupScreen_Input();
6310   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6311     DrawChooseTree(&game_speed_current);
6312   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6313     DrawChooseTree(&scroll_delay_current);
6314   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6315     DrawChooseTree(&screen_mode_current);
6316   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6317     DrawChooseTree(&window_size_current);
6318   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6319     DrawChooseTree(&scaling_type_current);
6320   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6321     DrawChooseTree(&artwork.gfx_current);
6322   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6323     DrawChooseTree(&artwork.snd_current);
6324   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6325     DrawChooseTree(&artwork.mus_current);
6326   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6327     DrawChooseTree(&volume_simple_current);
6328   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6329     DrawChooseTree(&volume_loops_current);
6330   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6331     DrawChooseTree(&volume_music_current);
6332   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6333     DrawChooseTree(&touch_control_current);
6334   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6335     DrawChooseTree(&move_distance_current);
6336   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6337     DrawChooseTree(&drop_distance_current);
6338   else
6339     DrawSetupScreen_Generic();
6340
6341   PlayMenuSound();
6342   PlayMenuMusic();
6343 }
6344
6345 void RedrawSetupScreenAfterFullscreenToggle()
6346 {
6347   if (setup_mode == SETUP_MODE_GRAPHICS ||
6348       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6349   {
6350     // update list selection from "setup.window_scaling_percent"
6351     execSetupGraphics_setWindowSizes(TRUE);
6352
6353     DrawSetupScreen();
6354   }
6355 }
6356
6357 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6358 {
6359   if (setup_mode == SETUP_MODE_INPUT)
6360     HandleSetupScreen_Input(mx, my, dx, dy, button);
6361   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6362     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6363   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6364     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6365   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6366     HandleChooseTree(mx, my, dx, dy, button, &screen_mode_current);
6367   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6368     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6369   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6370     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6371   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6372     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6373   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6374     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6375   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6376     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6377   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6378     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6379   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6380     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6381   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6382     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6383   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6384     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6385   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6386     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6387   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6388     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6389   else
6390     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6391 }
6392
6393 void HandleGameActions()
6394 {
6395   if (game_status != GAME_MODE_PLAYING)
6396     return;
6397
6398   GameActions();        /* main game loop */
6399
6400   if (tape.auto_play && !tape.playing)
6401     AutoPlayTape();     /* continue automatically playing next tape */
6402 }
6403
6404
6405 /* ---------- new screen button stuff -------------------------------------- */
6406
6407 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6408 {
6409   switch (gadget_id)
6410   {
6411     case SCREEN_CTRL_ID_PREV_LEVEL:
6412       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6413       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6414       break;
6415
6416     case SCREEN_CTRL_ID_NEXT_LEVEL:
6417       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6418       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6419       break;
6420
6421     case SCREEN_CTRL_ID_PREV_PLAYER:
6422       *x = mSX + TILEX * 10;
6423       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6424       break;
6425
6426     case SCREEN_CTRL_ID_NEXT_PLAYER:
6427       *x = mSX + TILEX * 12;
6428       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6429       break;
6430
6431     default:
6432       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6433   }
6434 }
6435
6436 static struct
6437 {
6438   int gfx_unpressed, gfx_pressed;
6439   void (*get_gadget_position)(int *, int *, int);
6440   int gadget_id;
6441   int screen_mask;
6442   char *infotext;
6443 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6444 {
6445   {
6446     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6447     getScreenMenuButtonPos,
6448     SCREEN_CTRL_ID_PREV_LEVEL,
6449     SCREEN_MASK_MAIN,
6450     "last level"
6451   },
6452   {
6453     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6454     getScreenMenuButtonPos,
6455     SCREEN_CTRL_ID_NEXT_LEVEL,
6456     SCREEN_MASK_MAIN,
6457     "next level"
6458   },
6459   {
6460     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6461     getScreenMenuButtonPos,
6462     SCREEN_CTRL_ID_PREV_PLAYER,
6463     SCREEN_MASK_INPUT,
6464     "last player"
6465   },
6466   {
6467     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6468     getScreenMenuButtonPos,
6469     SCREEN_CTRL_ID_NEXT_PLAYER,
6470     SCREEN_MASK_INPUT,
6471     "next player"
6472   },
6473 };
6474
6475 static struct
6476 {
6477   int gfx_unpressed, gfx_pressed;
6478   int x, y;
6479   int gadget_id;
6480   char *infotext;
6481 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6482 {
6483   {
6484     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6485     -1, -1,     /* these values are not constant, but can change at runtime */
6486     SCREEN_CTRL_ID_SCROLL_UP,
6487     "scroll up"
6488   },
6489   {
6490     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6491     -1, -1,     /* these values are not constant, but can change at runtime */
6492     SCREEN_CTRL_ID_SCROLL_DOWN,
6493     "scroll down"
6494   }
6495 };
6496
6497 static struct
6498 {
6499   int gfx_unpressed, gfx_pressed;
6500   int x, y;
6501   int width, height;
6502   int type;
6503   int gadget_id;
6504   char *infotext;
6505 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6506 {
6507   {
6508     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6509     -1, -1,     /* these values are not constant, but can change at runtime */
6510     -1, -1,     /* these values are not constant, but can change at runtime */
6511     GD_TYPE_SCROLLBAR_VERTICAL,
6512     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6513     "scroll level series vertically"
6514   }
6515 };
6516
6517 static void CreateScreenMenubuttons()
6518 {
6519   struct GadgetInfo *gi;
6520   unsigned int event_mask;
6521   int i;
6522
6523   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6524   {
6525     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6526     int gfx_unpressed, gfx_pressed;
6527     int x, y, width, height;
6528     int gd_x1, gd_x2, gd_y1, gd_y2;
6529     int id = menubutton_info[i].gadget_id;
6530
6531     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6532
6533     menubutton_info[i].get_gadget_position(&x, &y, id);
6534
6535     width = SC_MENUBUTTON_XSIZE;
6536     height = SC_MENUBUTTON_YSIZE;
6537
6538     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6539     gfx_pressed   = menubutton_info[i].gfx_pressed;
6540     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6541     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6542     gd_x1 = graphic_info[gfx_unpressed].src_x;
6543     gd_y1 = graphic_info[gfx_unpressed].src_y;
6544     gd_x2 = graphic_info[gfx_pressed].src_x;
6545     gd_y2 = graphic_info[gfx_pressed].src_y;
6546
6547     gi = CreateGadget(GDI_CUSTOM_ID, id,
6548                       GDI_CUSTOM_TYPE_ID, i,
6549                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6550                       GDI_X, x,
6551                       GDI_Y, y,
6552                       GDI_WIDTH, width,
6553                       GDI_HEIGHT, height,
6554                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6555                       GDI_STATE, GD_BUTTON_UNPRESSED,
6556                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6557                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6558                       GDI_DIRECT_DRAW, FALSE,
6559                       GDI_EVENT_MASK, event_mask,
6560                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6561                       GDI_END);
6562
6563     if (gi == NULL)
6564       Error(ERR_EXIT, "cannot create gadget");
6565
6566     screen_gadget[id] = gi;
6567   }
6568 }
6569
6570 static void CreateScreenScrollbuttons()
6571 {
6572   struct GadgetInfo *gi;
6573   unsigned int event_mask;
6574   int i;
6575
6576   /* these values are not constant, but can change at runtime */
6577   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6578   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6579   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6580   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6581
6582   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6583   {
6584     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6585     int gfx_unpressed, gfx_pressed;
6586     int x, y, width, height;
6587     int gd_x1, gd_x2, gd_y1, gd_y2;
6588     int id = scrollbutton_info[i].gadget_id;
6589
6590     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6591
6592     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6593     y = mSY + scrollbutton_info[i].y;
6594     width = SC_SCROLLBUTTON_XSIZE;
6595     height = SC_SCROLLBUTTON_YSIZE;
6596
6597     /* correct scrollbar position if placed outside menu (playfield) area */
6598     if (x > SX + SC_SCROLL_UP_XPOS)
6599       x = SX + SC_SCROLL_UP_XPOS;
6600
6601     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6602       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6603                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6604
6605     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6606     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6607     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6608     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6609     gd_x1 = graphic_info[gfx_unpressed].src_x;
6610     gd_y1 = graphic_info[gfx_unpressed].src_y;
6611     gd_x2 = graphic_info[gfx_pressed].src_x;
6612     gd_y2 = graphic_info[gfx_pressed].src_y;
6613
6614     gi = CreateGadget(GDI_CUSTOM_ID, id,
6615                       GDI_CUSTOM_TYPE_ID, i,
6616                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6617                       GDI_X, x,
6618                       GDI_Y, y,
6619                       GDI_WIDTH, width,
6620                       GDI_HEIGHT, height,
6621                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6622                       GDI_STATE, GD_BUTTON_UNPRESSED,
6623                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6624                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6625                       GDI_DIRECT_DRAW, FALSE,
6626                       GDI_EVENT_MASK, event_mask,
6627                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6628                       GDI_END);
6629
6630     if (gi == NULL)
6631       Error(ERR_EXIT, "cannot create gadget");
6632
6633     screen_gadget[id] = gi;
6634   }
6635 }
6636
6637 static void CreateScreenScrollbars()
6638 {
6639   int i;
6640
6641   /* these values are not constant, but can change at runtime */
6642   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6643   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6644   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6645   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6646
6647   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6648   {
6649     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6650     int gfx_unpressed, gfx_pressed;
6651     int x, y, width, height;
6652     int gd_x1, gd_x2, gd_y1, gd_y2;
6653     struct GadgetInfo *gi;
6654     int items_max, items_visible, item_position;
6655     unsigned int event_mask;
6656     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6657     int id = scrollbar_info[i].gadget_id;
6658
6659     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6660
6661     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6662     y = mSY + scrollbar_info[i].y;
6663     width  = scrollbar_info[i].width;
6664     height = scrollbar_info[i].height;
6665
6666     /* correct scrollbar position if placed outside menu (playfield) area */
6667     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6668       x = SX + SC_SCROLL_VERTICAL_XPOS;
6669
6670     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6671       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6672
6673     items_max = num_page_entries;
6674     items_visible = num_page_entries;
6675     item_position = 0;
6676
6677     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6678     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6679     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6680     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6681     gd_x1 = graphic_info[gfx_unpressed].src_x;
6682     gd_y1 = graphic_info[gfx_unpressed].src_y;
6683     gd_x2 = graphic_info[gfx_pressed].src_x;
6684     gd_y2 = graphic_info[gfx_pressed].src_y;
6685
6686     gi = CreateGadget(GDI_CUSTOM_ID, id,
6687                       GDI_CUSTOM_TYPE_ID, i,
6688                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6689                       GDI_X, x,
6690                       GDI_Y, y,
6691                       GDI_WIDTH, width,
6692                       GDI_HEIGHT, height,
6693                       GDI_TYPE, scrollbar_info[i].type,
6694                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6695                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6696                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6697                       GDI_WHEEL_AREA_X, SX,
6698                       GDI_WHEEL_AREA_Y, SY,
6699                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6700                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6701                       GDI_STATE, GD_BUTTON_UNPRESSED,
6702                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6703                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6704                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6705                       GDI_DIRECT_DRAW, FALSE,
6706                       GDI_EVENT_MASK, event_mask,
6707                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6708                       GDI_END);
6709
6710     if (gi == NULL)
6711       Error(ERR_EXIT, "cannot create gadget");
6712
6713     screen_gadget[id] = gi;
6714   }
6715 }
6716
6717 void CreateScreenGadgets()
6718 {
6719   int last_game_status = game_status;   /* save current game status */
6720
6721   CreateScreenMenubuttons();
6722
6723   CreateScreenScrollbuttons();
6724   CreateScreenScrollbars();
6725
6726   game_status = last_game_status;       /* restore current game status */
6727 }
6728
6729 void FreeScreenGadgets()
6730 {
6731   int i;
6732
6733   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6734     FreeGadget(screen_gadget[i]);
6735 }
6736
6737 void MapScreenMenuGadgets(int screen_mask)
6738 {
6739   int i;
6740
6741   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6742     if (screen_mask & menubutton_info[i].screen_mask)
6743       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6744 }
6745
6746 void MapScreenGadgets(int num_entries)
6747 {
6748   int i;
6749
6750   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6751     return;
6752
6753   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6754     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6755
6756   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6757     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6758 }
6759
6760 void MapScreenTreeGadgets(TreeInfo *ti)
6761 {
6762   MapScreenGadgets(numTreeInfoInGroup(ti));
6763 }
6764
6765 static void HandleScreenGadgets(struct GadgetInfo *gi)
6766 {
6767   int id = gi->custom_id;
6768   int button = gi->event.button;
6769   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6770
6771   switch (id)
6772   {
6773     case SCREEN_CTRL_ID_PREV_LEVEL:
6774       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6775       break;
6776
6777     case SCREEN_CTRL_ID_NEXT_LEVEL:
6778       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6779       break;
6780
6781     case SCREEN_CTRL_ID_PREV_PLAYER:
6782       HandleSetupScreen_Input_Player(step, -1);
6783       break;
6784
6785     case SCREEN_CTRL_ID_NEXT_PLAYER:
6786       HandleSetupScreen_Input_Player(step, +1);
6787       break;
6788
6789     case SCREEN_CTRL_ID_SCROLL_UP:
6790       if (game_status == GAME_MODE_LEVELS)
6791         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6792       else if (game_status == GAME_MODE_LEVELNR)
6793         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6794       else if (game_status == GAME_MODE_SETUP)
6795         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6796       break;
6797
6798     case SCREEN_CTRL_ID_SCROLL_DOWN:
6799       if (game_status == GAME_MODE_LEVELS)
6800         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6801       else if (game_status == GAME_MODE_LEVELNR)
6802         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6803       else if (game_status == GAME_MODE_SETUP)
6804         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6805       break;
6806
6807     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
6808       if (game_status == GAME_MODE_LEVELS)
6809         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
6810       else if (game_status == GAME_MODE_LEVELNR)
6811         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
6812       else if (game_status == GAME_MODE_SETUP)
6813         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
6814       break;
6815
6816     default:
6817       break;
6818   }
6819 }