src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "cartoons.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26 /* screens on the info screen */
  27 #define INFO_MODE_MAIN                  0
  28 #define INFO_MODE_TITLE                 1
  29 #define INFO_MODE_ELEMENTS              2
  30 #define INFO_MODE_MUSIC                 3
  31 #define INFO_MODE_CREDITS               4
  32 #define INFO_MODE_PROGRAM               5
  33 #define INFO_MODE_VERSION               6
  34 #define INFO_MODE_LEVELSET              7
  35
  36 #define MAX_INFO_MODES                  8
  37
  38 /* screens on the setup screen */
  39 /* (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h) */
  40 /* (should also match corresponding entries in src/conf_gfx.c) */
  41 #define SETUP_MODE_MAIN                 0
  42 #define SETUP_MODE_GAME                 1
  43 #define SETUP_MODE_EDITOR               2
  44 #define SETUP_MODE_GRAPHICS             3
  45 #define SETUP_MODE_SOUND                4
  46 #define SETUP_MODE_ARTWORK              5
  47 #define SETUP_MODE_INPUT                6
  48 #define SETUP_MODE_TOUCH                7
  49 #define SETUP_MODE_SHORTCUTS            8
  50 #define SETUP_MODE_SHORTCUTS_1          9
  51 #define SETUP_MODE_SHORTCUTS_2          10
  52 #define SETUP_MODE_SHORTCUTS_3          11
  53 #define SETUP_MODE_SHORTCUTS_4          12
  54 #define SETUP_MODE_SHORTCUTS_5          13
  55
  56 /* sub-screens on the setup screen (generic) */
  57 #define SETUP_MODE_CHOOSE_ARTWORK       14
  58 #define SETUP_MODE_CHOOSE_OTHER         15
  59
  60 /* sub-screens on the setup screen (specific) */
  61 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  62 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  63 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
  64 #define SETUP_MODE_CHOOSE_SCREEN_MODE   19
  65 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
  66 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
  67 #define SETUP_MODE_CHOOSE_GRAPHICS      22
  68 #define SETUP_MODE_CHOOSE_SOUNDS        23
  69 #define SETUP_MODE_CHOOSE_MUSIC         24
  70 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 25
  71 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  26
  72 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  27
  73 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 28
  74 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 29
  75 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 30
  76
  77 #define MAX_SETUP_MODES                 31
  78
  79 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  80
  81 /* for input setup functions */
  82 #define SETUPINPUT_SCREEN_POS_START     0
  83 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  84 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  85 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  86
  87 /* for various menu stuff  */
  88 #define MENU_SCREEN_START_XPOS          1
  89 #define MENU_SCREEN_START_YPOS          2
  90 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
  91 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
  92 #define MENU_TITLE1_YPOS                8
  93 #define MENU_TITLE2_YPOS                46
  94 #define MENU_SCREEN_INFO_XSTART         16
  95 #define MENU_SCREEN_INFO_YSTART1        100
  96 #define MENU_SCREEN_INFO_YSTART2        128
  97 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
  98 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - 20)
  99 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 100                                          MENU_SCREEN_INFO_YSTART2 -     \
 101                                          TILEY / 2)
 102 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 103 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 104                                          MENU_SCREEN_INFO_YSTEP)
 105 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 106   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 107    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 108    MAX_MENU_ENTRIES_ON_SCREEN)
 109 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 110                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 111                                             NUM_INFO_ELEMENTS_FROM_CONF)
 112 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 113 #define MAX_MENU_TEXT_LENGTH_BIG        13
 114 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 115
 116 /* buttons and scrollbars identifiers */
 117 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 118 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 119 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 120 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 121 #define SCREEN_CTRL_ID_SCROLL_UP        4
 122 #define SCREEN_CTRL_ID_SCROLL_DOWN      5
 123 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  6
 124
 125 #define NUM_SCREEN_GADGETS              7
 126
 127 #define NUM_SCREEN_MENUBUTTONS          4
 128 #define NUM_SCREEN_SCROLLBUTTONS        2
 129 #define NUM_SCREEN_SCROLLBARS           1
 130
 131 #define SCREEN_MASK_MAIN                (1 << 0)
 132 #define SCREEN_MASK_INPUT               (1 << 1)
 133
 134 /* graphic position and size values for buttons and scrollbars */
 135 #define SC_MENUBUTTON_XSIZE             TILEX
 136 #define SC_MENUBUTTON_YSIZE             TILEY
 137
 138 #define SC_SCROLLBUTTON_XSIZE           TILEX
 139 #define SC_SCROLLBUTTON_YSIZE           TILEY
 140
 141 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 142
 143 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 144 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 145                                          SC_SCROLLBUTTON_YSIZE)
 146
 147 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 148 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 149
 150 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 151 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 152                                          SC_SCROLLBUTTON_YSIZE)
 153
 154 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 155 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 156                                          SC_SCROLL_VERTICAL_YSIZE)
 157
 158 #define SC_BORDER_SIZE                  14
 159
 160
 161 /* forward declarations of internal functions */
 162 static void HandleScreenGadgets(struct GadgetInfo *);
 163 static void HandleSetupScreen_Generic(int, int, int, int, int);
 164 static void HandleSetupScreen_Input(int, int, int, int, int);
 165 static void CustomizeKeyboard(int);
 166 static void CalibrateJoystick(int);
 167 static void execSetupGame(void);
 168 static void execSetupGraphics(void);
 169 static void execSetupSound(void);
 170 static void execSetupTouch(void);
 171 static void execSetupArtwork(void);
 172 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 173
 174 static void DrawChooseLevelSet(void);
 175 static void DrawChooseLevelNr(void);
 176 static void DrawInfoScreen(void);
 177 static void DrawSetupScreen(void);
 178
 179 static void DrawInfoScreen_NotAvailable(char *, char *);
 180 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 181 static void DrawInfoScreen_HelpText(int, int, int, int);
 182 static void HandleInfoScreen_Main(int, int, int, int, int);
 183 static void HandleInfoScreen_TitleScreen(int);
 184 static void HandleInfoScreen_Elements(int);
 185 static void HandleInfoScreen_Music(int);
 186 static void HandleInfoScreen_Credits(int);
 187 static void HandleInfoScreen_Program(int);
 188 static void HandleInfoScreen_Version(int);
 189
 190 static void MapScreenMenuGadgets(int);
 191 static void MapScreenGadgets(int);
 192 static void MapScreenTreeGadgets(TreeInfo *);
 193
 194 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 195
 196 static int info_mode = INFO_MODE_MAIN;
 197 static int setup_mode = SETUP_MODE_MAIN;
 198
 199 static TreeInfo *screen_modes = NULL;
 200 static TreeInfo *screen_mode_current = NULL;
 201
 202 static TreeInfo *window_sizes = NULL;
 203 static TreeInfo *window_size_current = NULL;
 204
 205 static TreeInfo *scaling_types = NULL;
 206 static TreeInfo *scaling_type_current = NULL;
 207
 208 static TreeInfo *scroll_delays = NULL;
 209 static TreeInfo *scroll_delay_current = NULL;
 210
 211 static TreeInfo *snapshot_modes = NULL;
 212 static TreeInfo *snapshot_mode_current = NULL;
 213
 214 static TreeInfo *game_speeds = NULL;
 215 static TreeInfo *game_speed_current = NULL;
 216
 217 static TreeInfo *volumes_simple = NULL;
 218 static TreeInfo *volume_simple_current = NULL;
 219
 220 static TreeInfo *volumes_loops = NULL;
 221 static TreeInfo *volume_loops_current = NULL;
 222
 223 static TreeInfo *volumes_music = NULL;
 224 static TreeInfo *volume_music_current = NULL;
 225
 226 static TreeInfo *touch_controls = NULL;
 227 static TreeInfo *touch_control_current = NULL;
 228
 229 static TreeInfo *move_distances = NULL;
 230 static TreeInfo *move_distance_current = NULL;
 231
 232 static TreeInfo *drop_distances = NULL;
 233 static TreeInfo *drop_distance_current = NULL;
 234
 235 static TreeInfo *level_number = NULL;
 236 static TreeInfo *level_number_current = NULL;
 237
 238 static unsigned int sync_frame_delay = 0;
 239 static unsigned int sync_frame_delay_value = GAME_FRAME_DELAY;
 240
 241 static struct
 242 {
 243   int value;
 244   char *text;
 245 } window_sizes_list[] =
 246 {
 247   {     50,     "50 %"                          },
 248   {     80,     "80 %"                          },
 249   {     90,     "90 %"                          },
 250   {     100,    "100 % (Default)"               },
 251   {     110,    "110 %"                         },
 252   {     120,    "120 %"                         },
 253   {     130,    "130 %"                         },
 254   {     140,    "140 %"                         },
 255   {     150,    "150 %"                         },
 256   {     200,    "200 %"                         },
 257   {     250,    "250 %"                         },
 258   {     300,    "300 %"                         },
 259
 260   {     -1,     NULL                            },
 261 };
 262
 263 static struct
 264 {
 265   char *value;
 266   char *text;
 267 } scaling_types_list[] =
 268 {
 269   {     SCALING_QUALITY_NEAREST, "None"         },
 270   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 271   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 272
 273   {     NULL,                    NULL           },
 274 };
 275
 276 static struct
 277 {
 278   int value;
 279   char *text;
 280 } game_speeds_list[] =
 281 {
 282 #if 1
 283   {     30,     "Very Slow"                     },
 284   {     25,     "Slow"                          },
 285   {     20,     "Normal"                        },
 286   {     15,     "Fast"                          },
 287   {     10,     "Very Fast"                     },
 288 #else
 289   {     1000,   "1/1s (Extremely Slow)"         },
 290   {     500,    "1/2s"                          },
 291   {     200,    "1/5s"                          },
 292   {     100,    "1/10s"                         },
 293   {     50,     "1/20s"                         },
 294   {     29,     "1/35s (Original Supaplex)"     },
 295   {     25,     "1/40s"                         },
 296   {     20,     "1/50s (Normal Speed)"          },
 297   {     14,     "1/70s (Maximum Supaplex)"      },
 298   {     10,     "1/100s"                        },
 299   {     5,      "1/200s"                        },
 300   {     2,      "1/500s"                        },
 301   {     1,      "1/1000s (Extremely Fast)"      },
 302 #endif
 303
 304   {     -1,     NULL                            },
 305 };
 306
 307 static struct
 308 {
 309   int value;
 310   char *text;
 311 } scroll_delays_list[] =
 312 {
 313   {     0,      "0 Tiles (No Scroll Delay)"     },
 314   {     1,      "1 Tile"                        },
 315   {     2,      "2 Tiles"                       },
 316   {     3,      "3 Tiles (Default)"             },
 317   {     4,      "4 Tiles"                       },
 318   {     5,      "5 Tiles"                       },
 319   {     6,      "6 Tiles"                       },
 320   {     7,      "7 Tiles"                       },
 321   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 322
 323   {     -1,     NULL                            },
 324 };
 325
 326 static struct
 327 {
 328   char *value;
 329   char *text;
 330 } snapshot_modes_list[] =
 331 {
 332   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 333   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 334   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 335   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 336
 337   {     NULL,                                   NULL            },
 338 };
 339
 340 static struct
 341 {
 342   int value;
 343   char *text;
 344 } volumes_list[] =
 345 {
 346   {     0,      "0 %"                           },
 347   {     1,      "1 %"                           },
 348   {     2,      "2 %"                           },
 349   {     5,      "5 %"                           },
 350   {     10,     "10 %"                          },
 351   {     20,     "20 %"                          },
 352   {     30,     "30 %"                          },
 353   {     40,     "40 %"                          },
 354   {     50,     "50 %"                          },
 355   {     60,     "60 %"                          },
 356   {     70,     "70 %"                          },
 357   {     80,     "80 %"                          },
 358   {     90,     "90 %"                          },
 359   {     100,    "100 %"                         },
 360
 361   {     -1,     NULL                            },
 362 };
 363
 364 static struct
 365 {
 366   char *value;
 367   char *text;
 368 } touch_controls_list[] =
 369 {
 370   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 371   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 372
 373   {     NULL,                           NULL                    },
 374 };
 375
 376 static struct
 377 {
 378   int value;
 379   char *text;
 380 } distances_list[] =
 381 {
 382   {     1,      "1 %"                           },
 383   {     2,      "2 %"                           },
 384   {     3,      "3 %"                           },
 385   {     4,      "4 %"                           },
 386   {     5,      "5 %"                           },
 387   {     10,     "10 %"                          },
 388   {     15,     "15 %"                          },
 389   {     20,     "20 %"                          },
 390   {     25,     "25 %"                          },
 391
 392   {     -1,     NULL                            },
 393 };
 394
 395 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 396                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 397                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 398                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 399
 400 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 401 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 402                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 403                                  INFO_MODE_MAIN)
 404
 405 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 406                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 407                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 408                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 409                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 410                                  SETUP_MODE_CHOOSE_OTHER)
 411
 412 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 413                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 414                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 415 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 416                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 417                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 418
 419 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 420                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 421                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 422 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 423                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 424                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 425
 426 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 427                                  DRAW_XOFFSET_INFO(info_mode) :         \
 428                                  (s) == GAME_MODE_SETUP ?               \
 429                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 430                                  menu.draw_xoffset[DRAW_MODE(s)])
 431 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 432                                  DRAW_YOFFSET_INFO(info_mode) :         \
 433                                  (s) == GAME_MODE_SETUP ?               \
 434                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 435                                  menu.draw_yoffset[DRAW_MODE(s)])
 436
 437 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 438 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 439
 440 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 441                                     menu.list_size[game_status] :       \
 442                                     MAX_MENU_ENTRIES_ON_SCREEN)
 443
 444 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 445                                          NUM_MENU_ENTRIES_ON_SCREEN)
 446
 447
 448 /* title display and control definitions */
 449
 450 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 451                                  2 * MAX_NUM_TITLE_MESSAGES)
 452
 453 #define NO_DIRECT_LEVEL_SELECT  (-1)
 454
 455
 456 static int num_title_screens = 0;
 457
 458 struct TitleControlInfo
 459 {
 460   boolean is_image;
 461   boolean initial;
 462   boolean first;
 463   int local_nr;
 464   int sort_priority;
 465 };
 466
 467 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 468
 469 /* main menu display and control definitions */
 470
 471 #define MAIN_CONTROL_NAME                       0
 472 #define MAIN_CONTROL_LEVELS                     1
 473 #define MAIN_CONTROL_SCORES                     2
 474 #define MAIN_CONTROL_EDITOR                     3
 475 #define MAIN_CONTROL_INFO                       4
 476 #define MAIN_CONTROL_GAME                       5
 477 #define MAIN_CONTROL_SETUP                      6
 478 #define MAIN_CONTROL_QUIT                       7
 479 #define MAIN_CONTROL_PREV_LEVEL                 8
 480 #define MAIN_CONTROL_NEXT_LEVEL                 9
 481 #define MAIN_CONTROL_FIRST_LEVEL                10
 482 #define MAIN_CONTROL_LAST_LEVEL                 11
 483 #define MAIN_CONTROL_LEVEL_NUMBER               12
 484 #define MAIN_CONTROL_LEVEL_INFO_1               13
 485 #define MAIN_CONTROL_LEVEL_INFO_2               14
 486 #define MAIN_CONTROL_LEVEL_NAME                 15
 487 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 488 #define MAIN_CONTROL_LEVEL_YEAR                 17
 489 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 490 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 491 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 492 #define MAIN_CONTROL_TITLE_1                    21
 493 #define MAIN_CONTROL_TITLE_2                    22
 494 #define MAIN_CONTROL_TITLE_3                    23
 495
 496 static char str_main_text_name[10];
 497 static char str_main_text_first_level[10];
 498 static char str_main_text_last_level[10];
 499 static char str_main_text_level_number[10];
 500
 501 static char *main_text_name                     = str_main_text_name;
 502 static char *main_text_first_level              = str_main_text_first_level;
 503 static char *main_text_last_level               = str_main_text_last_level;
 504 static char *main_text_level_number             = str_main_text_level_number;
 505 static char *main_text_levels                   = "Levelset";
 506 static char *main_text_scores                   = "Hall Of Fame";
 507 static char *main_text_editor                   = "Level Creator";
 508 static char *main_text_info                     = "Info Screen";
 509 static char *main_text_game                     = "Start Game";
 510 static char *main_text_setup                    = "Setup";
 511 static char *main_text_quit                     = "Quit";
 512 static char *main_text_level_name               = level.name;
 513 static char *main_text_level_author             = level.author;
 514 static char *main_text_level_year               = NULL;
 515 static char *main_text_level_imported_from      = NULL;
 516 static char *main_text_level_imported_by        = NULL;
 517 static char *main_text_level_tested_by          = NULL;
 518
 519 struct MainControlInfo
 520 {
 521   int nr;
 522
 523   struct MenuPosInfo *pos_button;
 524   int button_graphic;
 525
 526   struct TextPosInfo *pos_text;
 527   char **text;
 528
 529   struct TextPosInfo *pos_input;
 530   char **input;
 531 };
 532
 533 static struct MainControlInfo main_controls[] =
 534 {
 535   {
 536     MAIN_CONTROL_NAME,
 537     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 538     &menu.main.text.name,               &main_text_name,
 539     &menu.main.input.name,              &setup.player_name,
 540   },
 541   {
 542     MAIN_CONTROL_LEVELS,
 543     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 544     &menu.main.text.levels,             &main_text_levels,
 545     NULL,                               NULL,
 546   },
 547   {
 548     MAIN_CONTROL_SCORES,
 549     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 550     &menu.main.text.scores,             &main_text_scores,
 551     NULL,                               NULL,
 552   },
 553   {
 554     MAIN_CONTROL_EDITOR,
 555     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 556     &menu.main.text.editor,             &main_text_editor,
 557     NULL,                               NULL,
 558   },
 559   {
 560     MAIN_CONTROL_INFO,
 561     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 562     &menu.main.text.info,               &main_text_info,
 563     NULL,                               NULL,
 564   },
 565   {
 566     MAIN_CONTROL_GAME,
 567     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 568     &menu.main.text.game,               &main_text_game,
 569     NULL,                               NULL,
 570   },
 571   {
 572     MAIN_CONTROL_SETUP,
 573     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 574     &menu.main.text.setup,              &main_text_setup,
 575     NULL,                               NULL,
 576   },
 577   {
 578     MAIN_CONTROL_QUIT,
 579     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 580     &menu.main.text.quit,               &main_text_quit,
 581     NULL,                               NULL,
 582   },
 583 #if 0
 584   /* (these two buttons are real gadgets) */
 585   {
 586     MAIN_CONTROL_PREV_LEVEL,
 587     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 588     NULL,                               NULL,
 589     NULL,                               NULL,
 590   },
 591   {
 592     MAIN_CONTROL_NEXT_LEVEL,
 593     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 594     NULL,                               NULL,
 595     NULL,                               NULL,
 596   },
 597 #endif
 598   {
 599     MAIN_CONTROL_FIRST_LEVEL,
 600     NULL,                               -1,
 601     &menu.main.text.first_level,        &main_text_first_level,
 602     NULL,                               NULL,
 603   },
 604   {
 605     MAIN_CONTROL_LAST_LEVEL,
 606     NULL,                               -1,
 607     &menu.main.text.last_level,         &main_text_last_level,
 608     NULL,                               NULL,
 609   },
 610   {
 611     MAIN_CONTROL_LEVEL_NUMBER,
 612     NULL,                               -1,
 613     &menu.main.text.level_number,       &main_text_level_number,
 614     NULL,                               NULL,
 615   },
 616   {
 617     MAIN_CONTROL_LEVEL_INFO_1,
 618     NULL,                               -1,
 619     &menu.main.text.level_info_1,       NULL,
 620     NULL,                               NULL,
 621   },
 622   {
 623     MAIN_CONTROL_LEVEL_INFO_2,
 624     NULL,                               -1,
 625     &menu.main.text.level_info_2,       NULL,
 626     NULL,                               NULL,
 627   },
 628   {
 629     MAIN_CONTROL_LEVEL_NAME,
 630     NULL,                               -1,
 631     &menu.main.text.level_name,         &main_text_level_name,
 632     NULL,                               NULL,
 633   },
 634   {
 635     MAIN_CONTROL_LEVEL_AUTHOR,
 636     NULL,                               -1,
 637     &menu.main.text.level_author,       &main_text_level_author,
 638     NULL,                               NULL,
 639   },
 640   {
 641     MAIN_CONTROL_LEVEL_YEAR,
 642     NULL,                               -1,
 643     &menu.main.text.level_year,         &main_text_level_year,
 644     NULL,                               NULL,
 645   },
 646   {
 647     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 648     NULL,                               -1,
 649     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 650     NULL,                               NULL,
 651   },
 652   {
 653     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 654     NULL,                               -1,
 655     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 656     NULL,                               NULL,
 657   },
 658   {
 659     MAIN_CONTROL_LEVEL_TESTED_BY,
 660     NULL,                               -1,
 661     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 662     NULL,                               NULL,
 663   },
 664   {
 665     MAIN_CONTROL_TITLE_1,
 666     NULL,                               -1,
 667     &menu.main.text.title_1,            &setup.internal.program_title,
 668     NULL,                               NULL,
 669   },
 670   {
 671     MAIN_CONTROL_TITLE_2,
 672     NULL,                               -1,
 673     &menu.main.text.title_2,            &setup.internal.program_copyright,
 674     NULL,                               NULL,
 675   },
 676   {
 677     MAIN_CONTROL_TITLE_3,
 678     NULL,                               -1,
 679     &menu.main.text.title_3,            &setup.internal.program_company,
 680     NULL,                               NULL,
 681   },
 682
 683   {
 684     -1,
 685     NULL,                               -1,
 686     NULL,                               NULL,
 687     NULL,                               NULL,
 688   }
 689 };
 690
 691
 692 static int getTitleScreenGraphic(int nr, boolean initial)
 693 {
 694   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 695 }
 696
 697 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 698 {
 699   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 700 }
 701
 702 #if 0
 703 static int getTitleScreenGameMode(boolean initial)
 704 {
 705   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 706 }
 707 #endif
 708
 709 static int getTitleMessageGameMode(boolean initial)
 710 {
 711   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 712 }
 713
 714 #if 0
 715 static int getTitleScreenBackground(boolean initial)
 716 {
 717   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 718 }
 719 #endif
 720
 721 #if 0
 722 static int getTitleMessageBackground(int nr, boolean initial)
 723 {
 724   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 725 }
 726 #endif
 727
 728 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 729 {
 730   int base = (is_image ?
 731               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 732                          IMG_BACKGROUND_TITLESCREEN_1) :
 733               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 734                          IMG_BACKGROUND_TITLEMESSAGE_1));
 735   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 736                                   IMG_BACKGROUND_TITLE);
 737   int graphic_local = base + nr;
 738
 739   if (graphic_info[graphic_local].bitmap != NULL)
 740     return graphic_local;
 741
 742   if (graphic_info[graphic_global].bitmap != NULL)
 743     return graphic_global;
 744
 745   return IMG_UNDEFINED;
 746 }
 747
 748 static int getTitleSound(struct TitleControlInfo *tci)
 749 {
 750   boolean is_image = tci->is_image;
 751   int initial = tci->initial;
 752   int nr = tci->local_nr;
 753   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 754   int base = (is_image ?
 755               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 756                          SND_BACKGROUND_TITLESCREEN_1) :
 757               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 758                          SND_BACKGROUND_TITLEMESSAGE_1));
 759   int sound_global = menu.sound[mode];
 760   int sound_local = base + nr;
 761
 762 #if 0
 763   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 764          nr, initial, is_image,
 765          sound_global, getSoundListEntry(sound_global)->filename,
 766          sound_local, getSoundListEntry(sound_local)->filename);
 767 #endif
 768
 769   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 770     return sound_local;
 771
 772   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 773     return sound_global;
 774
 775   return SND_UNDEFINED;
 776 }
 777
 778 static int getTitleMusic(struct TitleControlInfo *tci)
 779 {
 780   boolean is_image = tci->is_image;
 781   int initial = tci->initial;
 782   int nr = tci->local_nr;
 783   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 784   int base = (is_image ?
 785               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 786                          MUS_BACKGROUND_TITLESCREEN_1) :
 787               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 788                          MUS_BACKGROUND_TITLEMESSAGE_1));
 789   int music_global = menu.music[mode];
 790   int music_local = base + nr;
 791
 792 #if 0
 793   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 794          nr, initial, is_image,
 795          music_global, getMusicListEntry(music_global)->filename,
 796          music_local, getMusicListEntry(music_local)->filename);
 797 #endif
 798
 799   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 800     return music_local;
 801
 802   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 803     return music_global;
 804
 805   return MUS_UNDEFINED;
 806 }
 807
 808 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 809 {
 810   boolean is_image = tci->is_image;
 811   boolean initial = tci->initial;
 812   boolean first = tci->first;
 813   int nr = tci->local_nr;
 814   struct TitleMessageInfo tmi;
 815   struct TitleFadingInfo ti;
 816
 817   tmi = (is_image ? (initial ? (first ?
 818                                 titlescreen_initial_first[nr] :
 819                                 titlescreen_initial[nr])
 820                              : (first ?
 821                                 titlescreen_first[nr] :
 822                                 titlescreen[nr]))
 823                   : (initial ? (first ?
 824                                 titlemessage_initial_first[nr] :
 825                                 titlemessage_initial[nr])
 826                              : (first ?
 827                                 titlemessage_first[nr] :
 828                                 titlemessage[nr])));
 829
 830   ti.fade_mode  = tmi.fade_mode;
 831   ti.fade_delay = tmi.fade_delay;
 832   ti.post_delay = tmi.post_delay;
 833   ti.auto_delay = tmi.auto_delay;
 834
 835   return ti;
 836 }
 837
 838 static int compareTitleControlInfo(const void *object1, const void *object2)
 839 {
 840   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 841   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 842   int compare_result;
 843
 844   if (tci1->initial != tci2->initial)
 845     compare_result = (tci1->initial ? -1 : +1);
 846   else if (tci1->sort_priority != tci2->sort_priority)
 847     compare_result = tci1->sort_priority - tci2->sort_priority;
 848   else if (tci1->is_image != tci2->is_image)
 849     compare_result = (tci1->is_image ? -1 : +1);
 850   else
 851     compare_result = tci1->local_nr - tci2->local_nr;
 852
 853   return compare_result;
 854 }
 855
 856 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 857                                                     boolean initial,
 858                                                     int nr, int sort_priority)
 859 {
 860   title_controls[num_title_screens].is_image = is_image;
 861   title_controls[num_title_screens].initial = initial;
 862   title_controls[num_title_screens].local_nr = nr;
 863   title_controls[num_title_screens].sort_priority = sort_priority;
 864
 865   title_controls[num_title_screens].first = FALSE;      /* will be set later */
 866
 867   num_title_screens++;
 868 }
 869
 870 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 871 {
 872   int i;
 873
 874   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 875   {
 876     int graphic = getTitleScreenGraphic(i, initial);
 877     Bitmap *bitmap = graphic_info[graphic].bitmap;
 878     int sort_priority = graphic_info[graphic].sort_priority;
 879
 880     if (bitmap != NULL)
 881       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 882   }
 883
 884   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 885   {
 886     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 887     char *filename = getLevelSetTitleMessageFilename(i, initial);
 888     int sort_priority = tmi->sort_priority;
 889
 890     if (filename != NULL)
 891       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 892   }
 893 }
 894
 895 static void InitializeTitleControls(boolean show_title_initial)
 896 {
 897   num_title_screens = 0;
 898
 899   /* 1st step: initialize title screens for game start (only when starting) */
 900   if (show_title_initial)
 901     InitializeTitleControls_CheckTitleInfo(TRUE);
 902
 903   /* 2nd step: initialize title screens for current level set */
 904   InitializeTitleControls_CheckTitleInfo(FALSE);
 905
 906   /* sort title screens according to sort_priority and title number */
 907   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 908         compareTitleControlInfo);
 909
 910   /* mark first title screen */
 911   title_controls[0].first = TRUE;
 912 }
 913
 914 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 915 {
 916   return (pos != NULL && pos->x != -1 && pos->y != -1);
 917 }
 918
 919 static boolean visibleTextPos(struct TextPosInfo *pos)
 920 {
 921   return (pos != NULL && pos->x != -1 && pos->y != -1);
 922 }
 923
 924 static void InitializeMainControls()
 925 {
 926   boolean local_team_mode = (!options.network && setup.team_mode);
 927   int i;
 928
 929   /* set main control text values to dynamically determined values */
 930   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 931
 932   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 933                                          menu.main.text.first_level.size));
 934   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 935                                          menu.main.text.last_level.size));
 936   strcpy(main_text_level_number, int2str(level_nr,
 937                                          menu.main.text.level_number.size));
 938
 939   main_text_level_year          = leveldir_current->year;
 940   main_text_level_imported_from = leveldir_current->imported_from;
 941   main_text_level_imported_by   = leveldir_current->imported_by;
 942   main_text_level_tested_by     = leveldir_current->tested_by;
 943
 944   /* set main control screen positions to dynamically determined values */
 945   for (i = 0; main_controls[i].nr != -1; i++)
 946   {
 947     struct MainControlInfo *mci = &main_controls[i];
 948     int nr                         = mci->nr;
 949     struct MenuPosInfo *pos_button = mci->pos_button;
 950     struct TextPosInfo *pos_text   = mci->pos_text;
 951     struct TextPosInfo *pos_input  = mci->pos_input;
 952     char *text                     = (mci->text  ? *mci->text  : NULL);
 953     char *input                    = (mci->input ? *mci->input : NULL);
 954     int button_graphic             = mci->button_graphic;
 955     int font_text                  = (pos_text  ? pos_text->font  : -1);
 956     int font_input                 = (pos_input ? pos_input->font : -1);
 957
 958     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 959     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 960     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 961     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 962     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 963     int input_chars = (input != NULL ? strlen(input) : 0);
 964
 965     int button_width =
 966       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 967     int button_height =
 968       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 969     int text_width   = font_text_width * text_chars;
 970     int text_height  = font_text_height;
 971     int input_width  = font_input_width * input_chars;
 972     int input_height = font_input_height;
 973
 974     if (nr == MAIN_CONTROL_NAME)
 975     {
 976       menu.main.input.name.width  = input_width;
 977       menu.main.input.name.height = input_height;
 978     }
 979
 980     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
 981     {
 982       pos_button->width  = button_width;
 983       pos_button->height = button_height;
 984     }
 985
 986     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
 987     {
 988       /* calculate size for non-clickable text -- needed for text alignment */
 989       boolean calculate_text_size = (pos_button == NULL && text != NULL);
 990
 991       if (pos_text->width == -1 || calculate_text_size)
 992         pos_text->width = text_width;
 993       if (pos_text->height == -1 || calculate_text_size)
 994         pos_text->height = text_height;
 995
 996       if (visibleMenuPos(pos_button))
 997       {
 998         if (pos_text->x == -1)
 999           pos_text->x = pos_button->x + pos_button->width;
1000         if (pos_text->y == -1)
1001           pos_text->y =
1002             pos_button->y + (pos_button->height - pos_text->height) / 2;
1003       }
1004     }
1005
1006     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1007     {
1008       if (visibleTextPos(pos_text))
1009       {
1010         if (pos_input->x == -1)
1011           pos_input->x = pos_text->x + pos_text->width;
1012         if (pos_input->y == -1)
1013           pos_input->y = pos_text->y;
1014       }
1015
1016       if (pos_input->width == -1)
1017         pos_input->width = input_width;
1018       if (pos_input->height == -1)
1019         pos_input->height = input_height;
1020     }
1021   }
1022 }
1023
1024 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1025                                        int graphic, boolean pressed)
1026 {
1027   struct GraphicInfo *g = &graphic_info[graphic];
1028   Bitmap *src_bitmap;
1029   int src_x, src_y;
1030   int xoffset = (pressed ? g->pressed_xoffset : 0);
1031   int yoffset = (pressed ? g->pressed_yoffset : 0);
1032
1033   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1034
1035   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1036                    g->width, g->height, dst_x, dst_y);
1037 }
1038
1039 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1040                                        boolean active_input,
1041                                        boolean pressed_button)
1042 {
1043   int i;
1044
1045   for (i = 0; main_controls[i].nr != -1; i++)
1046   {
1047     struct MainControlInfo *mci = &main_controls[i];
1048
1049     if (mci->nr == nr || nr == -1)
1050     {
1051       struct MenuPosInfo *pos_button = mci->pos_button;
1052       struct TextPosInfo *pos_text   = mci->pos_text;
1053       struct TextPosInfo *pos_input  = mci->pos_input;
1054       char *text                     = (mci->text  ? *mci->text  : NULL);
1055       char *input                    = (mci->input ? *mci->input : NULL);
1056       int button_graphic             = mci->button_graphic;
1057       int font_text                  = (pos_text  ? pos_text->font  : -1);
1058       int font_input                 = (pos_input ? pos_input->font : -1);
1059
1060       if (active_text)
1061       {
1062         button_graphic = BUTTON_ACTIVE(button_graphic);
1063         font_text = FONT_ACTIVE(font_text);
1064       }
1065
1066       if (active_input)
1067       {
1068         font_input = FONT_ACTIVE(font_input);
1069       }
1070
1071       if (visibleMenuPos(pos_button))
1072       {
1073         struct MenuPosInfo *pos = pos_button;
1074         int x = mSX + pos->x;
1075         int y = mSY + pos->y;
1076
1077         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1078         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1079       }
1080
1081       if (visibleTextPos(pos_text) && text != NULL)
1082       {
1083         struct TextPosInfo *pos = pos_text;
1084         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1085         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1086
1087 #if 1
1088         /* (check why/if this is needed) */
1089         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1090 #endif
1091         DrawText(x, y, text, font_text);
1092       }
1093
1094       if (visibleTextPos(pos_input) && input != NULL)
1095       {
1096         struct TextPosInfo *pos = pos_input;
1097         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1098         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1099
1100 #if 1
1101         /* (check why/if this is needed) */
1102         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1103 #endif
1104         DrawText(x, y, input, font_input);
1105       }
1106     }
1107   }
1108 }
1109
1110 static void DrawCursorAndText_Main(int nr, boolean active_text,
1111                                    boolean pressed_button)
1112 {
1113   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1114 }
1115
1116 #if 0
1117 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1118                                          boolean pressed_button)
1119 {
1120   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1121 }
1122 #endif
1123
1124 static struct MainControlInfo *getMainControlInfo(int nr)
1125 {
1126   int i;
1127
1128   for (i = 0; main_controls[i].nr != -1; i++)
1129     if (main_controls[i].nr == nr)
1130       return &main_controls[i];
1131
1132   return NULL;
1133 }
1134
1135 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1136 {
1137   if (rect == NULL)
1138     return FALSE;
1139
1140   int rect_x = ALIGNED_TEXT_XPOS(rect);
1141   int rect_y = ALIGNED_TEXT_YPOS(rect);
1142
1143   return (x >= rect_x && x < rect_x + rect->width &&
1144           y >= rect_y && y < rect_y + rect->height);
1145 }
1146
1147 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1148 {
1149   if (rect == NULL)
1150     return FALSE;
1151
1152   int rect_x = ALIGNED_TEXT_XPOS(rect);
1153   int rect_y = ALIGNED_TEXT_YPOS(rect);
1154
1155 #if 0
1156   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1157          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1158          (x >= rect_x && x < rect_x + rect->width &&
1159           y >= rect_y && y < rect_y + rect->height));
1160 #endif
1161
1162   return (x >= rect_x && x < rect_x + rect->width &&
1163           y >= rect_y && y < rect_y + rect->height);
1164 }
1165
1166 static void AdjustScrollbar(int id, int items_max, int items_visible,
1167                             int item_position)
1168 {
1169   struct GadgetInfo *gi = screen_gadget[id];
1170
1171   if (item_position > items_max - items_visible)
1172     item_position = items_max - items_visible;
1173
1174   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1175                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1176                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1177 }
1178
1179 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1180 {
1181   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1182                   first_entry);
1183 }
1184
1185 static void clearMenuListArea()
1186 {
1187   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1188
1189   /* correct scrollbar position if placed outside menu (playfield) area */
1190   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1191     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1192
1193   /* clear menu list area, but not title or scrollbar */
1194   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1195                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1196 }
1197
1198 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1199 {
1200   static int cursor_array[MAX_LEV_FIELDY];
1201   int x = mSX + TILEX * xpos;
1202   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1203
1204   if (xpos == 0)
1205   {
1206     if (graphic != -1)
1207       cursor_array[ypos] = graphic;
1208     else
1209       graphic = cursor_array[ypos];
1210   }
1211
1212   if (active)
1213     graphic = BUTTON_ACTIVE(graphic);
1214
1215   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1216   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1217 }
1218
1219 static void initCursor(int ypos, int graphic)
1220 {
1221   drawCursorExt(0, ypos, FALSE, graphic);
1222 }
1223
1224 static void drawCursor(int ypos, boolean active)
1225 {
1226   drawCursorExt(0, ypos, active, -1);
1227 }
1228
1229 static void drawCursorXY(int xpos, int ypos, int graphic)
1230 {
1231   drawCursorExt(xpos, ypos, FALSE, graphic);
1232 }
1233
1234 static void drawChooseTreeCursor(int ypos, boolean active)
1235 {
1236   int last_game_status = game_status;   /* save current game status */
1237
1238   drawCursorExt(0, ypos, active, -1);
1239
1240   SetGameStatus(last_game_status);      /* restore current game status */
1241 }
1242
1243 void DrawHeadline()
1244 {
1245   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, getProgramTitleString());
1246   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
1247                     setup.internal.program_copyright);
1248 }
1249
1250 void DrawTitleScreenImage(int nr, boolean initial)
1251 {
1252   int graphic = getTitleScreenGraphic(nr, initial);
1253   Bitmap *bitmap = graphic_info[graphic].bitmap;
1254   int width  = graphic_info[graphic].width;
1255   int height = graphic_info[graphic].height;
1256   int src_x = graphic_info[graphic].src_x;
1257   int src_y = graphic_info[graphic].src_y;
1258   int dst_x, dst_y;
1259
1260   if (bitmap == NULL)
1261     return;
1262
1263   if (width > WIN_XSIZE)
1264   {
1265     /* image width too large for window => center image horizontally */
1266     src_x = (width - WIN_XSIZE) / 2;
1267     width = WIN_XSIZE;
1268   }
1269
1270   if (height > WIN_YSIZE)
1271   {
1272     /* image height too large for window => center image vertically */
1273     src_y = (height - WIN_YSIZE) / 2;
1274     height = WIN_YSIZE;
1275   }
1276
1277   /* always display title screens centered */
1278   dst_x = (WIN_XSIZE - width) / 2;
1279   dst_y = (WIN_YSIZE - height) / 2;
1280
1281   SetDrawBackgroundMask(REDRAW_ALL);
1282   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1283
1284   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1285
1286   if (DrawingOnBackground(dst_x, dst_y))
1287     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1288   else
1289     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1290
1291   redraw_mask = REDRAW_ALL;
1292 }
1293
1294 void DrawTitleScreenMessage(int nr, boolean initial)
1295 {
1296   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1297   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1298   int last_game_status = game_status;   /* save current game status */
1299
1300   if (filename == NULL)
1301     return;
1302
1303   /* force TITLE font on title message screen */
1304   SetGameStatus(getTitleMessageGameMode(initial));
1305
1306   /* if chars *and* width set to "-1", automatically determine width */
1307   if (tmi->chars == -1 && tmi->width == -1)
1308     tmi->width = viewport.window[game_status].width;
1309
1310   /* if lines *and* height set to "-1", automatically determine height */
1311   if (tmi->lines == -1 && tmi->height == -1)
1312     tmi->height = viewport.window[game_status].height;
1313
1314   /* if chars set to "-1", automatically determine by text and font width */
1315   if (tmi->chars == -1)
1316     tmi->chars = tmi->width / getFontWidth(tmi->font);
1317   else
1318     tmi->width = tmi->chars * getFontWidth(tmi->font);
1319
1320   /* if lines set to "-1", automatically determine by text and font height */
1321   if (tmi->lines == -1)
1322     tmi->lines = tmi->height / getFontHeight(tmi->font);
1323   else
1324     tmi->height = tmi->lines * getFontHeight(tmi->font);
1325
1326   /* if x set to "-1", automatically determine by width and alignment */
1327   if (tmi->x == -1)
1328     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1329
1330   /* if y set to "-1", automatically determine by height and alignment */
1331   if (tmi->y == -1)
1332     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1333
1334   SetDrawBackgroundMask(REDRAW_ALL);
1335   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1336
1337   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1338
1339   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1340                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1341                tmi->autowrap, tmi->centered, tmi->parse_comments);
1342
1343   SetGameStatus(last_game_status);      /* restore current game status */
1344 }
1345
1346 void DrawTitleScreen()
1347 {
1348   KeyboardAutoRepeatOff();
1349
1350   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1351
1352   StopAnimation();
1353 }
1354
1355 boolean CheckTitleScreen(boolean levelset_has_changed)
1356 {
1357   static boolean show_title_initial = TRUE;
1358   boolean show_titlescreen = FALSE;
1359
1360   /* needed to be able to skip title screen, if no image or message defined */
1361   InitializeTitleControls(show_title_initial);
1362
1363   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1364     show_titlescreen = TRUE;
1365
1366   /* show initial title images and messages only once at program start */
1367   show_title_initial = FALSE;
1368
1369   return (show_titlescreen && num_title_screens > 0);
1370 }
1371
1372 void DrawMainMenu()
1373 {
1374   static LevelDirTree *leveldir_last_valid = NULL;
1375   boolean levelset_has_changed = FALSE;
1376   int fade_mask = REDRAW_FIELD;
1377
1378   LimitScreenUpdates(FALSE);
1379
1380   FadeSetLeaveScreen();
1381
1382   /* do not fade out here -- function may continue and fade on editor screen */
1383
1384   UnmapAllGadgets();
1385   FadeSoundsAndMusic();
1386
1387   KeyboardAutoRepeatOn();
1388   ActivateJoystick();
1389
1390   audio.sound_deactivated = FALSE;
1391
1392   GetPlayerConfig();
1393
1394   /* needed if last screen was the playing screen, invoked from level editor */
1395   if (level_editor_test_game)
1396   {
1397     CloseDoor(DOOR_CLOSE_ALL);
1398
1399     SetGameStatus(GAME_MODE_EDITOR);
1400
1401     DrawLevelEd();
1402
1403     return;
1404   }
1405
1406   /* needed if last screen was the setup screen and fullscreen state changed */
1407   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1408   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1409
1410   /* leveldir_current may be invalid (level group, parent link) */
1411   if (!validLevelSeries(leveldir_current))
1412     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1413
1414   if (leveldir_current != leveldir_last_valid)
1415     levelset_has_changed = TRUE;
1416
1417   /* store valid level series information */
1418   leveldir_last_valid = leveldir_current;
1419
1420   init_last = init;                     /* switch to new busy animation */
1421
1422   /* needed if last screen (level choice) changed graphics, sounds or music */
1423   ReloadCustomArtwork(0);
1424
1425   if (CheckTitleScreen(levelset_has_changed))
1426   {
1427     game_status_last_screen = GAME_MODE_MAIN;
1428
1429     SetGameStatus(GAME_MODE_TITLE);
1430
1431     DrawTitleScreen();
1432
1433     return;
1434   }
1435
1436   /* needed if different viewport properties defined for menues */
1437   ChangeViewportPropertiesIfNeeded();
1438
1439   if (redraw_mask & REDRAW_ALL)
1440     fade_mask = REDRAW_ALL;
1441
1442   if (CheckIfGlobalBorderHasChanged())
1443     fade_mask = REDRAW_ALL;
1444
1445   FadeOut(fade_mask);
1446
1447   SetDrawtoField(DRAW_BACKBUFFER);
1448
1449   /* level_nr may have been set to value over handicap with level editor */
1450   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1451     level_nr = leveldir_current->handicap_level;
1452
1453   LoadLevel(level_nr);
1454   LoadScore(level_nr);
1455
1456   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1457   SetDrawDeactivationMask(REDRAW_NONE);
1458   SetDrawBackgroundMask(REDRAW_FIELD);
1459
1460   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1461
1462 #if 0
1463   if (fade_mask == REDRAW_ALL)
1464     RedrawGlobalBorder();
1465 #endif
1466
1467   ClearField();
1468
1469   InitializeMainControls();
1470
1471   DrawCursorAndText_Main(-1, FALSE, FALSE);
1472   DrawPreviewLevelInitial();
1473
1474   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1475
1476   TapeStop();
1477   if (TAPE_IS_EMPTY(tape))
1478     LoadTape(level_nr);
1479   DrawCompleteVideoDisplay();
1480
1481   PlayMenuSound();
1482   PlayMenuMusic();
1483
1484   /* create gadgets for main menu screen */
1485   FreeScreenGadgets();
1486   CreateScreenGadgets();
1487
1488   /* map gadgets for main menu screen */
1489   MapTapeButtons();
1490   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1491
1492   /* copy actual game door content to door double buffer for OpenDoor() */
1493   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1494   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1495
1496   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1497
1498   DrawMaskedBorder(fade_mask);
1499
1500   FadeIn(fade_mask);
1501   FadeSetEnterMenu();
1502
1503   /* update screen area with special editor door */
1504   redraw_mask |= REDRAW_ALL;
1505   BackToFront();
1506
1507   SetMouseCursor(CURSOR_DEFAULT);
1508
1509   InitAnimation();
1510
1511   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1512 }
1513
1514 static void gotoTopLevelDir()
1515 {
1516   /* move upwards until inside (but not above) top level directory */
1517   while (leveldir_current->node_parent &&
1518          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1519   {
1520     /* write a "path" into level tree for easy navigation to last level */
1521     if (leveldir_current->node_parent->node_group->cl_first == -1)
1522     {
1523       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1524       int leveldir_pos = posTreeInfo(leveldir_current);
1525       int num_page_entries;
1526       int cl_first, cl_cursor;
1527
1528       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1529         num_page_entries = num_leveldirs;
1530       else
1531         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1532
1533       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1534       cl_cursor = leveldir_pos - cl_first;
1535
1536       leveldir_current->node_parent->node_group->cl_first = cl_first;
1537       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1538     }
1539
1540     leveldir_current = leveldir_current->node_parent;
1541   }
1542 }
1543
1544 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1545 {
1546   static unsigned int title_delay = 0;
1547   static int title_screen_nr = 0;
1548   static int last_sound = -1, last_music = -1;
1549   boolean return_to_main_menu = FALSE;
1550   struct TitleControlInfo *tci;
1551   int sound, music;
1552
1553   if (button == MB_MENU_INITIALIZE)
1554   {
1555     title_delay = 0;
1556     title_screen_nr = 0;
1557     tci = &title_controls[title_screen_nr];
1558
1559     last_sound = SND_UNDEFINED;
1560     last_music = MUS_UNDEFINED;
1561
1562     if (num_title_screens != 0)
1563     {
1564       FadeSetEnterScreen();
1565
1566       /* use individual title fading instead of global "enter screen" fading */
1567       fading = getTitleFading(tci);
1568     }
1569
1570     if (game_status_last_screen == GAME_MODE_INFO)
1571     {
1572       if (num_title_screens == 0)
1573       {
1574         /* switch game mode from title screen mode back to info screen mode */
1575         SetGameStatus(GAME_MODE_INFO);
1576
1577         DrawInfoScreen_NotAvailable("Title screen information:",
1578                                     "No title screen for this level set.");
1579
1580         return;
1581       }
1582
1583       FadeSoundsAndMusic();
1584
1585       FadeOut(REDRAW_ALL);
1586     }
1587
1588     /* only required to update logic for redrawing global border */
1589     ClearField();
1590
1591     /* title screens may have different window size */
1592     ChangeViewportPropertiesIfNeeded();
1593
1594     if (tci->is_image)
1595       DrawTitleScreenImage(tci->local_nr, tci->initial);
1596     else
1597       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1598
1599     sound = getTitleSound(tci);
1600     music = getTitleMusic(tci);
1601
1602     if (sound != last_sound)
1603       PlayMenuSoundExt(sound);
1604     if (music != last_music)
1605       PlayMenuMusicExt(music);
1606
1607     last_sound = sound;
1608     last_music = music;
1609
1610     SetMouseCursor(CURSOR_NONE);
1611
1612     FadeIn(REDRAW_ALL);
1613
1614     DelayReached(&title_delay, 0);      /* reset delay counter */
1615
1616     return;
1617   }
1618
1619   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1620     button = MB_MENU_CHOICE;
1621
1622   if (button == MB_MENU_LEAVE)
1623   {
1624     return_to_main_menu = TRUE;
1625   }
1626   else if (button == MB_MENU_CHOICE)
1627   {
1628     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1629     {
1630       SetGameStatus(GAME_MODE_INFO);
1631
1632       info_mode = INFO_MODE_MAIN;
1633
1634       DrawInfoScreen();
1635
1636       return;
1637     }
1638
1639     title_screen_nr++;
1640     tci = &title_controls[title_screen_nr];
1641
1642     if (title_screen_nr < num_title_screens)
1643     {
1644       sound = getTitleSound(tci);
1645       music = getTitleMusic(tci);
1646
1647       if (sound == SND_UNDEFINED || sound != last_sound)
1648         FadeSounds();
1649       if (music == MUS_UNDEFINED || music != last_music)
1650         FadeMusic();
1651
1652       fading = getTitleFading(tci);
1653
1654       FadeOut(REDRAW_ALL);
1655
1656       if (tci->is_image)
1657         DrawTitleScreenImage(tci->local_nr, tci->initial);
1658       else
1659         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1660
1661       sound = getTitleSound(tci);
1662       music = getTitleMusic(tci);
1663
1664       if (sound != last_sound)
1665         PlayMenuSoundExt(sound);
1666       if (music != last_music)
1667         PlayMenuMusicExt(music);
1668
1669       last_sound = sound;
1670       last_music = music;
1671
1672       FadeIn(REDRAW_ALL);
1673
1674       DelayReached(&title_delay, 0);    /* reset delay counter */
1675     }
1676     else
1677     {
1678       FadeSoundsAndMusic();
1679
1680       return_to_main_menu = TRUE;
1681     }
1682   }
1683
1684   if (return_to_main_menu)
1685   {
1686     SetMouseCursor(CURSOR_DEFAULT);
1687
1688     /* force full menu screen redraw after displaying title screens */
1689     redraw_mask = REDRAW_ALL;
1690
1691     if (game_status_last_screen == GAME_MODE_INFO)
1692     {
1693       SetGameStatus(GAME_MODE_INFO);
1694
1695       info_mode = INFO_MODE_MAIN;
1696
1697       DrawInfoScreen();
1698     }
1699     else        /* default: return to main menu */
1700     {
1701       SetGameStatus(GAME_MODE_MAIN);
1702
1703       DrawMainMenu();
1704     }
1705   }
1706 }
1707
1708 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1709 {
1710   int old_level_nr = level_nr;
1711   int new_level_nr;
1712
1713   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1714     new_level_nr = selected_level_nr;
1715   else
1716     new_level_nr = old_level_nr + step * direction;
1717
1718   if (new_level_nr < leveldir_current->first_level)
1719     new_level_nr = leveldir_current->first_level;
1720   if (new_level_nr > leveldir_current->last_level)
1721     new_level_nr = leveldir_current->last_level;
1722
1723   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1724   {
1725     /* skipping levels is only allowed when trying to skip single level */
1726     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1727         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1728     {
1729       leveldir_current->handicap_level++;
1730       SaveLevelSetup_SeriesInfo();
1731     }
1732
1733     new_level_nr = leveldir_current->handicap_level;
1734   }
1735
1736   if (new_level_nr != old_level_nr)
1737   {
1738     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1739
1740     PlaySound(SND_MENU_ITEM_SELECTING);
1741
1742     level_nr = new_level_nr;
1743
1744     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1745              int2str(level_nr, menu.main.text.level_number.size),
1746              mci->pos_text->font);
1747
1748     LoadLevel(level_nr);
1749     DrawPreviewLevelInitial();
1750
1751     TapeErase();
1752     LoadTape(level_nr);
1753     DrawCompleteVideoDisplay();
1754
1755     /* needed because DrawPreviewLevelInitial() takes some time */
1756     BackToFront();
1757     /* SyncDisplay(); */
1758   }
1759 }
1760
1761 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1762 {
1763   static int choice = MAIN_CONTROL_GAME;
1764   static boolean button_pressed_last = FALSE;
1765   boolean button_pressed = FALSE;
1766   int pos = choice;
1767   int i;
1768
1769   if (button == MB_MENU_INITIALIZE)
1770   {
1771     DrawCursorAndText_Main(choice, TRUE, FALSE);
1772
1773     return;
1774   }
1775
1776   if (mx || my)         /* mouse input */
1777   {
1778     pos = -1;
1779
1780     for (i = 0; main_controls[i].nr != -1; i++)
1781     {
1782       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1783           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1784           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1785       {
1786         pos = main_controls[i].nr;
1787
1788         break;
1789       }
1790     }
1791
1792     // handle pressed/unpressed state for active/inactive menu buttons
1793     // (if pos != -1, "i" contains index position corresponding to "pos")
1794     if (button &&
1795         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1796         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1797       button_pressed = TRUE;
1798
1799     if (button_pressed != button_pressed_last)
1800     {
1801       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1802
1803       if (button_pressed)
1804         PlaySound(SND_MENU_BUTTON_PRESSING);
1805       else
1806         PlaySound(SND_MENU_BUTTON_RELEASING);
1807     }
1808   }
1809   else if (dx || dy)    /* keyboard input */
1810   {
1811     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1812                    choice == MAIN_CONTROL_SETUP))
1813       button = MB_MENU_CHOICE;
1814     else if (dy)
1815       pos = choice + dy;
1816   }
1817
1818   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1819   {
1820     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1821   }
1822   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1823   {
1824     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1825   }
1826   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1827   {
1828     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1829   }
1830   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1831   {
1832     StopAnimation();
1833
1834     CloseDoor(DOOR_CLOSE_2);
1835
1836     SetGameStatus(GAME_MODE_LEVELNR);
1837
1838     ChangeViewportPropertiesIfNeeded();
1839
1840     DrawChooseLevelNr();
1841   }
1842   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1843   {
1844     if (button)
1845     {
1846       if (pos != choice)
1847       {
1848         PlaySound(SND_MENU_ITEM_ACTIVATING);
1849
1850         DrawCursorAndText_Main(choice, FALSE, FALSE);
1851         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1852
1853         choice = pos;
1854       }
1855     }
1856     else
1857     {
1858       PlaySound(SND_MENU_ITEM_SELECTING);
1859
1860       if (pos == MAIN_CONTROL_NAME)
1861       {
1862         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
1863
1864         HandleTypeName(strlen(setup.player_name), 0);
1865       }
1866       else if (pos == MAIN_CONTROL_LEVELS)
1867       {
1868         if (leveldir_first)
1869         {
1870           StopAnimation();
1871
1872           CloseDoor(DOOR_CLOSE_2);
1873
1874           SetGameStatus(GAME_MODE_LEVELS);
1875
1876           SaveLevelSetup_LastSeries();
1877           SaveLevelSetup_SeriesInfo();
1878
1879           if (setup.internal.choose_from_top_leveldir)
1880             gotoTopLevelDir();
1881
1882           ChangeViewportPropertiesIfNeeded();
1883
1884           DrawChooseLevelSet();
1885         }
1886       }
1887       else if (pos == MAIN_CONTROL_SCORES)
1888       {
1889         StopAnimation();
1890
1891         CloseDoor(DOOR_CLOSE_2);
1892
1893         SetGameStatus(GAME_MODE_SCORES);
1894
1895         DrawHallOfFame(-1);
1896       }
1897       else if (pos == MAIN_CONTROL_EDITOR)
1898       {
1899         if (leveldir_current->readonly &&
1900             !strEqual(setup.player_name, "Artsoft"))
1901           Request("This level is read only!", REQ_CONFIRM);
1902
1903         StopAnimation();
1904
1905         CloseDoor(DOOR_CLOSE_2);
1906
1907         SetGameStatus(GAME_MODE_EDITOR);
1908
1909         FadeSetEnterScreen();
1910
1911         DrawLevelEd();
1912       }
1913       else if (pos == MAIN_CONTROL_INFO)
1914       {
1915         StopAnimation();
1916
1917         CloseDoor(DOOR_CLOSE_2);
1918
1919         SetGameStatus(GAME_MODE_INFO);
1920
1921         info_mode = INFO_MODE_MAIN;
1922
1923         ChangeViewportPropertiesIfNeeded();
1924
1925         DrawInfoScreen();
1926       }
1927       else if (pos == MAIN_CONTROL_GAME)
1928       {
1929         StopAnimation();
1930
1931         StartGameActions(options.network, setup.autorecord, level.random_seed);
1932       }
1933       else if (pos == MAIN_CONTROL_SETUP)
1934       {
1935         StopAnimation();
1936
1937         CloseDoor(DOOR_CLOSE_2);
1938
1939         SetGameStatus(GAME_MODE_SETUP);
1940
1941         setup_mode = SETUP_MODE_MAIN;
1942
1943         ChangeViewportPropertiesIfNeeded();
1944
1945         DrawSetupScreen();
1946       }
1947       else if (pos == MAIN_CONTROL_QUIT)
1948       {
1949         SaveLevelSetup_LastSeries();
1950         SaveLevelSetup_SeriesInfo();
1951
1952         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1953           SetGameStatus(GAME_MODE_QUIT);
1954       }
1955     }
1956   }
1957
1958   button_pressed_last = button_pressed;
1959 }
1960
1961
1962 /* ========================================================================= */
1963 /* info screen functions                                                     */
1964 /* ========================================================================= */
1965
1966 static struct TokenInfo *info_info;
1967 static int num_info_info;       /* number of info entries shown on screen */
1968 static int max_info_info;       /* total number of info entries in list */
1969
1970 static void execInfoTitleScreen()
1971 {
1972   info_mode = INFO_MODE_TITLE;
1973
1974   DrawInfoScreen();
1975 }
1976
1977 static void execInfoElements()
1978 {
1979   info_mode = INFO_MODE_ELEMENTS;
1980
1981   DrawInfoScreen();
1982 }
1983
1984 static void execInfoMusic()
1985 {
1986   info_mode = INFO_MODE_MUSIC;
1987
1988   DrawInfoScreen();
1989 }
1990
1991 static void execInfoCredits()
1992 {
1993   info_mode = INFO_MODE_CREDITS;
1994
1995   DrawInfoScreen();
1996 }
1997
1998 static void execInfoProgram()
1999 {
2000   info_mode = INFO_MODE_PROGRAM;
2001
2002   DrawInfoScreen();
2003 }
2004
2005 static void execInfoVersion()
2006 {
2007   info_mode = INFO_MODE_VERSION;
2008
2009   DrawInfoScreen();
2010 }
2011
2012 static void execInfoLevelSet()
2013 {
2014   info_mode = INFO_MODE_LEVELSET;
2015
2016   DrawInfoScreen();
2017 }
2018
2019 static void execExitInfo()
2020 {
2021   SetGameStatus(GAME_MODE_MAIN);
2022
2023   DrawMainMenu();
2024 }
2025
2026 static struct TokenInfo info_info_main[] =
2027 {
2028   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2029   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2030   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2031   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2032   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2033   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2034   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2035   { TYPE_EMPTY,         NULL,                   ""                      },
2036   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2037
2038   { 0,                  NULL,                   NULL                    }
2039 };
2040
2041 static int getMenuTextFont(int type)
2042 {
2043   if (type & (TYPE_SWITCH       |
2044               TYPE_YES_NO       |
2045               TYPE_YES_NO_AUTO  |
2046               TYPE_STRING       |
2047               TYPE_ECS_AGA      |
2048               TYPE_KEYTEXT      |
2049               TYPE_ENTER_LIST))
2050     return FONT_MENU_2;
2051   else
2052     return FONT_MENU_1;
2053 }
2054
2055 static struct TokenInfo *setup_info;
2056 static struct TokenInfo setup_info_input[];
2057
2058 static struct TokenInfo *menu_info;
2059
2060 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2061                                        int screen_pos, int menu_info_pos_raw,
2062                                        boolean active)
2063 {
2064   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2065   struct TokenInfo *ti = &token_info[pos];
2066   int xpos = MENU_SCREEN_START_XPOS;
2067   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2068   int font_nr = getMenuTextFont(ti->type);
2069
2070   if (token_info == setup_info_input)
2071     font_nr = FONT_MENU_1;
2072
2073   if (active)
2074     font_nr = FONT_ACTIVE(font_nr);
2075
2076   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2077
2078   if (ti->type & ~TYPE_SKIP_ENTRY)
2079     drawCursor(screen_pos, active);
2080 }
2081
2082 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2083                                    boolean active)
2084 {
2085   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2086 }
2087
2088 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2089                                     boolean active)
2090 {
2091   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2092 }
2093
2094 static char *screen_mode_text;
2095 static char *window_size_text;
2096 static char *scaling_type_text;
2097
2098 static void drawSetupValue(int, int);
2099
2100 static void drawMenuInfoList(int first_entry, int num_page_entries,
2101                              int max_page_entries)
2102 {
2103   int i;
2104
2105   if (first_entry + num_page_entries > max_page_entries)
2106     first_entry = 0;
2107
2108   clearMenuListArea();
2109
2110   for (i = 0; i < num_page_entries; i++)
2111   {
2112     int menu_info_pos = first_entry + i;
2113     struct TokenInfo *si = &menu_info[menu_info_pos];
2114     void *value_ptr = si->value;
2115
2116     /* set some entries to "unchangeable" according to other variables */
2117     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2118         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2119         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2120         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2121         (value_ptr == &screen_mode_text   && !video.fullscreen_available) ||
2122         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2123         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2124       si->type |= TYPE_GHOSTED;
2125
2126     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2127       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2128     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2129       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2130     else if (si->type & ~TYPE_SKIP_ENTRY)
2131       initCursor(i, IMG_MENU_BUTTON);
2132
2133     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2134
2135     if (si->type & TYPE_VALUE &&
2136         menu_info == setup_info)
2137       drawSetupValue(i, menu_info_pos);
2138   }
2139 }
2140
2141 static void DrawInfoScreen_Main()
2142 {
2143   int fade_mask = REDRAW_FIELD;
2144   int i;
2145
2146   if (redraw_mask & REDRAW_ALL)
2147     fade_mask = REDRAW_ALL;
2148
2149   if (CheckIfGlobalBorderHasChanged())
2150     fade_mask = REDRAW_ALL;
2151
2152   UnmapAllGadgets();
2153
2154   FreeScreenGadgets();
2155   CreateScreenGadgets();
2156
2157   /* (needed after displaying title screens which disable auto repeat) */
2158   KeyboardAutoRepeatOn();
2159
2160   FadeSetLeaveScreen();
2161
2162   FadeOut(fade_mask);
2163
2164   ChangeViewportPropertiesIfNeeded();
2165
2166   ClearField();
2167
2168   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2169
2170   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2171
2172   info_info = info_info_main;
2173
2174   // determine maximal number of info entries that can be displayed on screen
2175   num_info_info = 0;
2176   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2177     num_info_info++;
2178
2179   // determine maximal number of info entries available for menu of info screen
2180   max_info_info = 0;
2181   for (i = 0; info_info[i].type != 0; i++)
2182     max_info_info++;
2183
2184   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2185
2186   MapScreenGadgets(max_info_info);
2187
2188   PlayMenuSound();
2189   PlayMenuMusic();
2190
2191   DrawMaskedBorder(fade_mask);
2192
2193   FadeIn(fade_mask);
2194
2195   InitAnimation();
2196 }
2197
2198 static void changeSetupValue(int, int, int);
2199
2200 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2201                       int mode, int num_page_entries, int max_page_entries)
2202 {
2203   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2204   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2205   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2206   int *num_page_entries_last = num_page_entries_all_last[game_status];
2207   int *choice_store = choice_stores[game_status];
2208   int *first_entry_store = first_entry_stores[game_status];
2209   int choice = choice_store[mode];              /* starts with 0 */
2210   int first_entry = first_entry_store[mode];    /* starts with 0 */
2211   int x = 0;
2212   int y = choice - first_entry;
2213   int y_old = y;
2214   boolean position_set_by_scrollbar = (dx == 999);
2215   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2216   int i;
2217
2218   if (button == MB_MENU_INITIALIZE)
2219   {
2220     // check if number of menu page entries has changed (may happen by change
2221     // of custom artwork definition value for 'list_size' for this menu screen)
2222     // (in this case, the last menu position most probably has to be corrected)
2223     if (num_page_entries != num_page_entries_last[mode])
2224     {
2225       choice_store[mode] = first_entry_store[mode] = 0;
2226
2227       choice = first_entry = 0;
2228       y = y_old = 0;
2229
2230       num_page_entries_last[mode] = num_page_entries;
2231     }
2232
2233     /* advance to first valid menu entry */
2234     while (choice < num_page_entries &&
2235            menu_info[choice].type & TYPE_SKIP_ENTRY)
2236       choice++;
2237
2238     if (position_set_by_scrollbar)
2239       first_entry = first_entry_store[mode] = dy;
2240     else
2241       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2242                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2243
2244     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2245
2246     if (choice < first_entry)
2247     {
2248       choice = first_entry;
2249
2250       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2251         choice++;
2252     }
2253     else if (choice > first_entry + num_page_entries - 1)
2254     {
2255       choice = first_entry + num_page_entries - 1;
2256
2257       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2258         choice--;
2259     }
2260
2261     choice_store[mode] = choice;
2262
2263     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2264
2265     return;
2266   }
2267   else if (button == MB_MENU_LEAVE)
2268   {
2269     PlaySound(SND_MENU_ITEM_SELECTING);
2270
2271     for (i = 0; i < max_page_entries; i++)
2272     {
2273       if (menu_info[i].type & TYPE_LEAVE_MENU)
2274       {
2275         void (*menu_callback_function)(void) = menu_info[i].value;
2276
2277         FadeSetLeaveMenu();
2278
2279         menu_callback_function();
2280
2281         break;  /* absolutely needed because function changes 'menu_info'! */
2282       }
2283     }
2284
2285     return;
2286   }
2287
2288   if (mx || my)         /* mouse input */
2289   {
2290     x = (mx - mSX) / 32;
2291     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2292   }
2293   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2294   {
2295     /* move cursor instead of scrolling when already at start/end of list */
2296     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2297       dy = -1;
2298     else if (dy == +1 * SCROLL_LINE &&
2299              first_entry + num_page_entries == max_page_entries)
2300       dy = 1;
2301
2302     /* handle scrolling screen one line or page */
2303     if (y + dy < 0 ||
2304         y + dy > num_page_entries - 1)
2305     {
2306       boolean redraw = FALSE;
2307
2308       if (ABS(dy) == SCROLL_PAGE)
2309         step = num_page_entries - 1;
2310
2311       if (dy < 0 && first_entry > 0)
2312       {
2313         /* scroll page/line up */
2314
2315         first_entry -= step;
2316         if (first_entry < 0)
2317           first_entry = 0;
2318
2319         redraw = TRUE;
2320       }
2321       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2322       {
2323         /* scroll page/line down */
2324
2325         first_entry += step;
2326         if (first_entry + num_page_entries > max_page_entries)
2327           first_entry = MAX(0, max_page_entries - num_page_entries);
2328
2329         redraw = TRUE;
2330       }
2331
2332       if (redraw)
2333       {
2334         choice += first_entry - first_entry_store[mode];
2335
2336         if (choice < first_entry)
2337         {
2338           choice = first_entry;
2339
2340           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2341             choice++;
2342         }
2343         else if (choice > first_entry + num_page_entries - 1)
2344         {
2345           choice = first_entry + num_page_entries - 1;
2346
2347           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2348             choice--;
2349         }
2350         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2351         {
2352           choice += SIGN(dy);
2353
2354           if (choice < first_entry ||
2355               choice > first_entry + num_page_entries - 1)
2356           first_entry += SIGN(dy);
2357         }
2358
2359         first_entry_store[mode] = first_entry;
2360         choice_store[mode] = choice;
2361
2362         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2363
2364         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2365
2366         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2367                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2368       }
2369
2370       return;
2371     }
2372
2373     if (dx)
2374     {
2375       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2376
2377       if (menu_info[choice].type & menu_navigation_type ||
2378           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2379           menu_info[choice].type & TYPE_YES_NO_AUTO)
2380         button = MB_MENU_CHOICE;
2381     }
2382     else if (dy)
2383       y += dy;
2384
2385     /* jump to next non-empty menu entry (up or down) */
2386     while (first_entry + y > 0 &&
2387            first_entry + y < max_page_entries - 1 &&
2388            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2389       y += dy;
2390
2391     if (!IN_VIS_MENU(x, y))
2392     {
2393       choice += y - y_old;
2394
2395       if (choice < first_entry)
2396         first_entry = choice;
2397       else if (choice > first_entry + num_page_entries - 1)
2398         first_entry = choice - num_page_entries + 1;
2399
2400       if (first_entry >= 0 &&
2401           first_entry + num_page_entries <= max_page_entries)
2402       {
2403         first_entry_store[mode] = first_entry;
2404
2405         if (choice < first_entry)
2406           choice = first_entry;
2407         else if (choice > first_entry + num_page_entries - 1)
2408           choice = first_entry + num_page_entries - 1;
2409
2410         choice_store[mode] = choice;
2411
2412         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2413
2414         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2415
2416         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2417                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2418       }
2419
2420       return;
2421     }
2422   }
2423
2424   if (!anyScrollbarGadgetActive() &&
2425       IN_VIS_MENU(x, y) &&
2426       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2427       y >= 0 && y < num_page_entries)
2428   {
2429     if (button)
2430     {
2431       if (first_entry + y != choice &&
2432           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2433       {
2434         PlaySound(SND_MENU_ITEM_ACTIVATING);
2435
2436         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2437         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2438
2439         choice = choice_store[mode] = first_entry + y;
2440       }
2441     }
2442     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2443     {
2444       PlaySound(SND_MENU_ITEM_SELECTING);
2445
2446       /* when selecting key headline, execute function for key value change */
2447       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2448           menu_info[first_entry + y + 1].type & TYPE_KEY)
2449         y++;
2450
2451       /* when selecting string value, execute function for list selection */
2452       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2453           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2454         y--;
2455
2456       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2457       {
2458         void (*menu_callback_function)(void) =
2459           menu_info[first_entry + y].value;
2460
2461         FadeSetFromType(menu_info[first_entry + y].type);
2462
2463         menu_callback_function();
2464       }
2465       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2466                menu_info == setup_info)
2467       {
2468         changeSetupValue(y, first_entry + y, dx);
2469       }
2470     }
2471   }
2472 }
2473
2474 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2475 {
2476   menu_info = info_info;
2477
2478   HandleMenuScreen(mx, my, dx, dy, button,
2479                    info_mode, num_info_info, max_info_info);
2480 }
2481
2482 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2483 {
2484   int ystart1 = mSY - SY + 100;
2485   int ystart2 = mSY - SY + 150;
2486   int ybottom = mSY - SY + SYSIZE - 20;
2487
2488   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2489
2490   FadeOut(REDRAW_FIELD);
2491
2492   ClearField();
2493   DrawHeadline();
2494
2495   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2496   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2497
2498   DrawTextSCentered(ybottom, FONT_TEXT_4,
2499                     "Press any key or button for info menu");
2500
2501   FadeIn(REDRAW_FIELD);
2502 }
2503
2504 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2505 {
2506   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2507   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2508   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2509   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2510   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2511   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2512   int ystep = MENU_SCREEN_INFO_YSTEP;
2513   int element, action, direction;
2514   int graphic;
2515   int delay;
2516   int sync_frame;
2517   int i, j;
2518
2519   if (init)
2520   {
2521     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2522       infoscreen_step[i] = infoscreen_frame[i] = 0;
2523
2524     ClearField();
2525     DrawHeadline();
2526
2527     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2528
2529     DrawTextSCentered(ybottom, FONT_TEXT_4,
2530                       "Press any key or button for next page");
2531
2532     FrameCounter = 0;
2533   }
2534
2535   i = j = 0;
2536   while (helpanim_info[j].element != HELPANIM_LIST_END)
2537   {
2538     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2539         i >= max_anims)
2540       break;
2541     else if (i < start)
2542     {
2543       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2544         j++;
2545
2546       j++;
2547       i++;
2548
2549       continue;
2550     }
2551
2552     j += infoscreen_step[i - start];
2553
2554     element = helpanim_info[j].element;
2555     action = helpanim_info[j].action;
2556     direction = helpanim_info[j].direction;
2557
2558     if (element < 0)
2559       element = EL_UNKNOWN;
2560
2561     if (action != -1 && direction != -1)
2562       graphic = el_act_dir2img(element, action, direction);
2563     else if (action != -1)
2564       graphic = el_act2img(element, action);
2565     else if (direction != -1)
2566       graphic = el_dir2img(element, direction);
2567     else
2568       graphic = el2img(element);
2569
2570     delay = helpanim_info[j++].delay;
2571
2572     if (delay == -1)
2573       delay = 1000000;
2574
2575     if (infoscreen_frame[i - start] == 0)
2576     {
2577       sync_frame = 0;
2578       infoscreen_frame[i - start] = delay - 1;
2579     }
2580     else
2581     {
2582       sync_frame = delay - infoscreen_frame[i - start];
2583       infoscreen_frame[i - start]--;
2584     }
2585
2586     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2587     {
2588       if (!infoscreen_frame[i - start])
2589         infoscreen_step[i - start] = 0;
2590     }
2591     else
2592     {
2593       if (!infoscreen_frame[i - start])
2594         infoscreen_step[i - start]++;
2595       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2596         j++;
2597     }
2598
2599     j++;
2600
2601     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2602                                TILEX, TILEY);
2603     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2604                                  graphic, sync_frame, USE_MASKING);
2605
2606     if (init)
2607       DrawInfoScreen_HelpText(element, action, direction, i - start);
2608
2609     i++;
2610   }
2611
2612   redraw_mask |= REDRAW_FIELD;
2613
2614   FrameCounter++;
2615 }
2616
2617 static char *getHelpText(int element, int action, int direction)
2618 {
2619   char token[MAX_LINE_LEN];
2620
2621   strcpy(token, element_info[element].token_name);
2622
2623   if (action != -1)
2624     strcat(token, element_action_info[action].suffix);
2625
2626   if (direction != -1)
2627     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2628
2629   return getHashEntry(helptext_info, token);
2630 }
2631
2632 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2633 {
2634   int font_nr = FONT_INFO_ELEMENTS;
2635   int font_width = getFontWidth(font_nr);
2636   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2637   int sy = mSY + 65 + 2 * 32 + 1;
2638   int ystep = TILEY + 4;
2639   int pad_x = sx - SX;
2640   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2641   int max_lines_per_text = 2;
2642   char *text = NULL;
2643
2644   if (action != -1 && direction != -1)          /* element.action.direction */
2645     text = getHelpText(element, action, direction);
2646
2647   if (text == NULL && action != -1)             /* element.action */
2648     text = getHelpText(element, action, -1);
2649
2650   if (text == NULL && direction != -1)          /* element.direction */
2651     text = getHelpText(element, -1, direction);
2652
2653   if (text == NULL)                             /* base element */
2654     text = getHelpText(element, -1, -1);
2655
2656   if (text == NULL)                             /* not found */
2657     text = "No description available";
2658
2659   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2660     sy += getFontHeight(font_nr) / 2;
2661
2662   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2663                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2664                  TRUE, FALSE, FALSE);
2665 }
2666
2667 void DrawInfoScreen_TitleScreen()
2668 {
2669   game_status_last_screen = GAME_MODE_INFO;
2670
2671   SetGameStatus(GAME_MODE_TITLE);
2672
2673   DrawTitleScreen();
2674 }
2675
2676 void HandleInfoScreen_TitleScreen(int button)
2677 {
2678   HandleTitleScreen(0, 0, 0, 0, button);
2679 }
2680
2681 void DrawInfoScreen_Elements()
2682 {
2683   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2684
2685   FadeOut(REDRAW_FIELD);
2686
2687   LoadHelpAnimInfo();
2688   LoadHelpTextInfo();
2689
2690   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2691
2692   FadeIn(REDRAW_FIELD);
2693
2694   InitAnimation();
2695 }
2696
2697 void HandleInfoScreen_Elements(int button)
2698 {
2699   static unsigned int info_delay = 0;
2700   static int num_anims;
2701   static int num_pages;
2702   static int page;
2703   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2704   int i;
2705
2706   if (button == MB_MENU_INITIALIZE)
2707   {
2708     boolean new_element = TRUE;
2709
2710     num_anims = 0;
2711
2712     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2713     {
2714       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2715         new_element = TRUE;
2716       else if (new_element)
2717       {
2718         num_anims++;
2719         new_element = FALSE;
2720       }
2721     }
2722
2723     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2724     page = 0;
2725   }
2726
2727   if (button == MB_MENU_LEAVE)
2728   {
2729     PlaySound(SND_MENU_ITEM_SELECTING);
2730
2731     info_mode = INFO_MODE_MAIN;
2732     DrawInfoScreen();
2733
2734     return;
2735   }
2736   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2737   {
2738     if (button != MB_MENU_INITIALIZE)
2739     {
2740       PlaySound(SND_MENU_ITEM_SELECTING);
2741
2742       page++;
2743     }
2744
2745     if (page >= num_pages)
2746     {
2747       FadeSoundsAndMusic();
2748
2749       info_mode = INFO_MODE_MAIN;
2750       DrawInfoScreen();
2751
2752       return;
2753     }
2754
2755     if (page > 0)
2756       FadeSetNextScreen();
2757
2758     if (button != MB_MENU_INITIALIZE)
2759       FadeOut(REDRAW_FIELD);
2760
2761     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2762
2763     if (button != MB_MENU_INITIALIZE)
2764       FadeIn(REDRAW_FIELD);
2765   }
2766   else
2767   {
2768     if (DelayReached(&info_delay, GameFrameDelay))
2769       if (page < num_pages)
2770         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2771
2772     PlayMenuSoundIfLoop();
2773   }
2774 }
2775
2776 void DrawInfoScreen_Music()
2777 {
2778   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2779
2780   FadeOut(REDRAW_FIELD);
2781
2782   ClearField();
2783   DrawHeadline();
2784
2785   LoadMusicInfo();
2786
2787   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2788
2789   FadeIn(REDRAW_FIELD);
2790 }
2791
2792 void HandleInfoScreen_Music(int button)
2793 {
2794   static struct MusicFileInfo *list = NULL;
2795   int ystart1 = mSY - SY + 100;
2796   int ystart2 = mSY - SY + 150;
2797   int ybottom = mSY - SY + SYSIZE - 20;
2798   int dy = 30;
2799
2800   if (button == MB_MENU_INITIALIZE)
2801   {
2802     list = music_file_info;
2803
2804     if (list == NULL)
2805     {
2806       FadeSoundsAndMusic();
2807
2808       ClearField();
2809       DrawHeadline();
2810
2811       DrawTextSCentered(ystart1, FONT_TEXT_1,
2812                         "No music info for this level set.");
2813
2814       DrawTextSCentered(ybottom, FONT_TEXT_4,
2815                         "Press any key or button for info menu");
2816
2817       return;
2818     }
2819   }
2820
2821   if (button == MB_MENU_LEAVE)
2822   {
2823     PlaySound(SND_MENU_ITEM_SELECTING);
2824
2825     FadeSoundsAndMusic();
2826
2827     info_mode = INFO_MODE_MAIN;
2828     DrawInfoScreen();
2829
2830     return;
2831   }
2832   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2833   {
2834     int y = 0;
2835
2836     if (button != MB_MENU_INITIALIZE)
2837     {
2838       PlaySound(SND_MENU_ITEM_SELECTING);
2839
2840       if (list != NULL)
2841         list = list->next;
2842     }
2843
2844     if (list == NULL)
2845     {
2846       FadeSoundsAndMusic();
2847
2848       info_mode = INFO_MODE_MAIN;
2849       DrawInfoScreen();
2850
2851       return;
2852     }
2853
2854     FadeSoundsAndMusic();
2855
2856     if (list != music_file_info)
2857       FadeSetNextScreen();
2858
2859     if (button != MB_MENU_INITIALIZE)
2860       FadeOut(REDRAW_FIELD);
2861
2862     ClearField();
2863     DrawHeadline();
2864
2865     if (list->is_sound)
2866     {
2867       int sound = list->music;
2868
2869       if (sound_info[sound].loop)
2870         PlaySoundLoop(sound);
2871       else
2872         PlaySound(sound);
2873
2874       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2875     }
2876     else
2877     {
2878       PlayMusic(list->music);
2879
2880       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2881     }
2882
2883     if (!strEqual(list->title, UNKNOWN_NAME))
2884     {
2885       if (!strEqual(list->title_header, UNKNOWN_NAME))
2886         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2887
2888       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2889     }
2890
2891     if (!strEqual(list->artist, UNKNOWN_NAME))
2892     {
2893       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2894         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2895       else
2896         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2897
2898       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2899     }
2900
2901     if (!strEqual(list->album, UNKNOWN_NAME))
2902     {
2903       if (!strEqual(list->album_header, UNKNOWN_NAME))
2904         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2905       else
2906         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2907
2908       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2909     }
2910
2911     if (!strEqual(list->year, UNKNOWN_NAME))
2912     {
2913       if (!strEqual(list->year_header, UNKNOWN_NAME))
2914         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2915       else
2916         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2917
2918       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2919     }
2920
2921     DrawTextSCentered(ybottom, FONT_TEXT_4,
2922                       "Press any key or button for next page");
2923
2924     if (button != MB_MENU_INITIALIZE)
2925       FadeIn(REDRAW_FIELD);
2926   }
2927
2928   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2929     PlaySoundLoop(list->music);
2930 }
2931
2932 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2933 {
2934   int ystart1 = mSY - SY + 100;
2935   int ystart2 = mSY - SY + 150;
2936   int ybottom = mSY - SY + SYSIZE - 20;
2937   int ystep = 30;
2938
2939   ClearField();
2940   DrawHeadline();
2941
2942   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2943
2944   if (screen_nr == 0)
2945   {
2946     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2947                       "Special thanks to");
2948     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2949                       "Peter Liepa");
2950     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2951                       "for creating");
2952     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2953                       "\"Boulder Dash\"");
2954     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2955                       "in the year");
2956     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2957                       "1984");
2958     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2959                       "published by");
2960     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2961                       "First Star Software");
2962   }
2963   else if (screen_nr == 1)
2964   {
2965     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2966                       "Special thanks to");
2967     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2968                       "Klaus Heinz & Volker Wertich");
2969     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2970                       "for creating");
2971     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2972                       "\"Emerald Mine\"");
2973     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2974                       "in the year");
2975     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2976                       "1987");
2977     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2978                       "published by");
2979     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2980                       "Kingsoft");
2981   }
2982   else if (screen_nr == 2)
2983   {
2984     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2985                       "Special thanks to");
2986     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2987                       "Michael Stopp & Philip Jespersen");
2988     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2989                       "for creating");
2990     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2991                       "\"Supaplex\"");
2992     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2993                       "in the year");
2994     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2995                       "1991");
2996     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2997                       "published by");
2998     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2999                       "Digital Integration");
3000   }
3001   else if (screen_nr == 3)
3002   {
3003     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3004                       "Special thanks to");
3005     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3006                       "Hiroyuki Imabayashi");
3007     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3008                       "for creating");
3009     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3010                       "\"Sokoban\"");
3011     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3012                       "in the year");
3013     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3014                       "1982");
3015     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3016                       "published by");
3017     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3018                       "Thinking Rabbit");
3019   }
3020   else if (screen_nr == 4)
3021   {
3022     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3023                       "Special thanks to");
3024     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3025                       "Alan Bond");
3026     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3027                       "and");
3028     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3029                       "J\xfcrgen Bonhagen");
3030     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3031                       "for the continuous creation");
3032     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3033                       "of outstanding level sets");
3034   }
3035   else if (screen_nr == 5)
3036   {
3037     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3038                       "Thanks to");
3039     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3040                       "Peter Elzner");
3041     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3042                       "for ideas and inspiration by");
3043     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3044                       "Diamond Caves");
3045
3046     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3047                       "Thanks to");
3048     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3049                       "Steffest");
3050     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3051                       "for ideas and inspiration by");
3052     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3053                       "DX-Boulderdash");
3054   }
3055   else if (screen_nr == 6)
3056   {
3057     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3058                       "Thanks to");
3059     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3060                       "David Tritscher");
3061 #if 1
3062     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3063                       "for the code base used for the");
3064     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3065                       "native Emerald Mine engine");
3066 #else
3067     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3068                       "for the new Emerald Mine engine");
3069 #endif
3070   }
3071   else if (screen_nr == 7)
3072   {
3073     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3074                       "Thanks to");
3075     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3076                       "Guido Schulz");
3077     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3078                       "for the initial DOS port");
3079
3080     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3081                       "Thanks to");
3082     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3083                       "Karl H\xf6rnell");
3084     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3085                       "for some additional toons");
3086   }
3087   else if (screen_nr == 8)
3088   {
3089     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3090                       "And not to forget:");
3091     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3092                       "Many thanks to");
3093     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3094                       "All those who contributed");
3095     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3096                       "levels to this game");
3097     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3098                       "since 1995");
3099   }
3100
3101   DrawTextSCentered(ybottom, FONT_TEXT_4,
3102                     "Press any key or button for next page");
3103 }
3104
3105 void DrawInfoScreen_Credits()
3106 {
3107   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3108
3109   FadeSoundsAndMusic();
3110
3111   FadeOut(REDRAW_FIELD);
3112
3113   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3114
3115   FadeIn(REDRAW_FIELD);
3116 }
3117
3118 void HandleInfoScreen_Credits(int button)
3119 {
3120   static int screen_nr = 0;
3121   int num_screens = 9;
3122
3123   if (button == MB_MENU_INITIALIZE)
3124   {
3125     screen_nr = 0;
3126
3127     // DrawInfoScreen_CreditsScreen(screen_nr);
3128   }
3129
3130   if (button == MB_MENU_LEAVE)
3131   {
3132     PlaySound(SND_MENU_ITEM_SELECTING);
3133
3134     info_mode = INFO_MODE_MAIN;
3135     DrawInfoScreen();
3136
3137     return;
3138   }
3139   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3140   {
3141     if (button != MB_MENU_INITIALIZE)
3142     {
3143       PlaySound(SND_MENU_ITEM_SELECTING);
3144
3145       screen_nr++;
3146     }
3147
3148     if (screen_nr >= num_screens)
3149     {
3150       FadeSoundsAndMusic();
3151
3152       info_mode = INFO_MODE_MAIN;
3153       DrawInfoScreen();
3154
3155       return;
3156     }
3157
3158     if (screen_nr > 0)
3159       FadeSetNextScreen();
3160
3161     if (button != MB_MENU_INITIALIZE)
3162       FadeOut(REDRAW_FIELD);
3163
3164     DrawInfoScreen_CreditsScreen(screen_nr);
3165
3166     if (button != MB_MENU_INITIALIZE)
3167       FadeIn(REDRAW_FIELD);
3168   }
3169   else
3170   {
3171     PlayMenuSoundIfLoop();
3172   }
3173 }
3174
3175 void DrawInfoScreen_Program()
3176 {
3177   int ystart1 = mSY - SY + 100;
3178   int ystart2 = mSY - SY + 150;
3179   int ybottom = mSY - SY + SYSIZE - 20;
3180   int ystep = 30;
3181
3182   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3183
3184   FadeOut(REDRAW_FIELD);
3185
3186   ClearField();
3187   DrawHeadline();
3188
3189   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3190
3191   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3192                     "This game is Freeware!");
3193   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3194                     "If you like it, send e-mail to:");
3195   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3196                     setup.internal.program_email);
3197   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3198                     "More information and levels:");
3199   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3200                     setup.internal.program_website);
3201   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3202                     "If you have created new levels,");
3203   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3204                     "send them to me to include them!");
3205   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3206                     ":-)");
3207
3208   DrawTextSCentered(ybottom, FONT_TEXT_4,
3209                     "Press any key or button for info menu");
3210
3211   FadeIn(REDRAW_FIELD);
3212 }
3213
3214 void HandleInfoScreen_Program(int button)
3215 {
3216   if (button == MB_MENU_LEAVE)
3217   {
3218     PlaySound(SND_MENU_ITEM_SELECTING);
3219
3220     info_mode = INFO_MODE_MAIN;
3221     DrawInfoScreen();
3222
3223     return;
3224   }
3225   else if (button == MB_MENU_CHOICE)
3226   {
3227     PlaySound(SND_MENU_ITEM_SELECTING);
3228
3229     FadeSoundsAndMusic();
3230
3231     info_mode = INFO_MODE_MAIN;
3232     DrawInfoScreen();
3233   }
3234   else
3235   {
3236     PlayMenuSoundIfLoop();
3237   }
3238 }
3239
3240 void DrawInfoScreen_Version()
3241 {
3242   int font_header = FONT_TEXT_3;
3243   int font_text = FONT_TEXT_2;
3244   int xstep = getFontWidth(font_text);
3245   int ystep = getFontHeight(font_text);
3246   int ystart1 = mSY - SY + 100;
3247   int ystart2 = mSY - SY + 150;
3248   int ybottom = mSY - SY + SYSIZE - 20;
3249   int xstart1 = mSX - SX + 2 * xstep;
3250   int xstart2 = mSX - SX + 18 * xstep;
3251   int xstart3 = mSX - SX + 28 * xstep;
3252   SDL_version sdl_version_compiled;
3253   const SDL_version *sdl_version_linked;
3254   int driver_name_len = 10;
3255 #if defined(TARGET_SDL2)
3256   SDL_version sdl_version_linked_ext;
3257   const char *driver_name = NULL;
3258 #else
3259   char driver_name[driver_name_len];
3260 #endif
3261
3262   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3263
3264   FadeOut(REDRAW_FIELD);
3265
3266   ClearField();
3267   DrawHeadline();
3268
3269   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3270
3271   DrawTextF(xstart1, ystart2, font_header, "Name");
3272   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3273
3274   ystart2 += ystep;
3275   DrawTextF(xstart1, ystart2, font_header, "Version");
3276   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3277
3278   ystart2 += ystep;
3279   DrawTextF(xstart1, ystart2, font_header, "Platform");
3280   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3281
3282   ystart2 += ystep;
3283   DrawTextF(xstart1, ystart2, font_header, "Target");
3284   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3285
3286   ystart2 += ystep;
3287   DrawTextF(xstart1, ystart2, font_header, "Compile time");
3288   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
3289
3290   ystart2 += 3 * ystep;
3291   DrawTextF(xstart1, ystart2, font_header, "Library");
3292   DrawTextF(xstart2, ystart2, font_header, "compiled");
3293   DrawTextF(xstart3, ystart2, font_header, "linked");
3294
3295   SDL_VERSION(&sdl_version_compiled);
3296 #if defined(TARGET_SDL2)
3297   SDL_GetVersion(&sdl_version_linked_ext);
3298   sdl_version_linked = &sdl_version_linked_ext;
3299 #else
3300   sdl_version_linked = SDL_Linked_Version();
3301 #endif
3302
3303   ystart2 += 2 * ystep;
3304   DrawTextF(xstart1, ystart2, font_text, "SDL");
3305   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3306             sdl_version_compiled.major,
3307             sdl_version_compiled.minor,
3308             sdl_version_compiled.patch);
3309   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3310             sdl_version_linked->major,
3311             sdl_version_linked->minor,
3312             sdl_version_linked->patch);
3313
3314   SDL_IMAGE_VERSION(&sdl_version_compiled);
3315   sdl_version_linked = IMG_Linked_Version();
3316
3317   ystart2 += ystep;
3318   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3319   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3320             sdl_version_compiled.major,
3321             sdl_version_compiled.minor,
3322             sdl_version_compiled.patch);
3323   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3324             sdl_version_linked->major,
3325             sdl_version_linked->minor,
3326             sdl_version_linked->patch);
3327
3328   SDL_MIXER_VERSION(&sdl_version_compiled);
3329   sdl_version_linked = Mix_Linked_Version();
3330
3331   ystart2 += ystep;
3332   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3333   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3334             sdl_version_compiled.major,
3335             sdl_version_compiled.minor,
3336             sdl_version_compiled.patch);
3337   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3338             sdl_version_linked->major,
3339             sdl_version_linked->minor,
3340             sdl_version_linked->patch);
3341
3342   SDL_NET_VERSION(&sdl_version_compiled);
3343   sdl_version_linked = SDLNet_Linked_Version();
3344
3345   ystart2 += ystep;
3346   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3347   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3348             sdl_version_compiled.major,
3349             sdl_version_compiled.minor,
3350             sdl_version_compiled.patch);
3351   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3352             sdl_version_linked->major,
3353             sdl_version_linked->minor,
3354             sdl_version_linked->patch);
3355
3356   ystart2 += 3 * ystep;
3357   DrawTextF(xstart1, ystart2, font_header, "Driver");
3358   DrawTextF(xstart2, ystart2, font_header, "Requested");
3359   DrawTextF(xstart3, ystart2, font_header, "Used");
3360
3361 #if defined(TARGET_SDL2)
3362   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3363 #else
3364   SDL_VideoDriverName(driver_name, driver_name_len);
3365 #endif
3366
3367   ystart2 += 2 * ystep;
3368   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3369   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3370   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3371
3372 #if defined(TARGET_SDL2)
3373   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3374 #else
3375   SDL_AudioDriverName(driver_name, driver_name_len);
3376 #endif
3377
3378   ystart2 += ystep;
3379   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3380   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3381   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3382
3383   DrawTextSCentered(ybottom, FONT_TEXT_4,
3384                     "Press any key or button for info menu");
3385
3386   FadeIn(REDRAW_FIELD);
3387 }
3388
3389 void HandleInfoScreen_Version(int button)
3390 {
3391   if (button == MB_MENU_LEAVE)
3392   {
3393     PlaySound(SND_MENU_ITEM_SELECTING);
3394
3395     info_mode = INFO_MODE_MAIN;
3396     DrawInfoScreen();
3397
3398     return;
3399   }
3400   else if (button == MB_MENU_CHOICE)
3401   {
3402     PlaySound(SND_MENU_ITEM_SELECTING);
3403
3404     FadeSoundsAndMusic();
3405
3406     info_mode = INFO_MODE_MAIN;
3407     DrawInfoScreen();
3408   }
3409   else
3410   {
3411     PlayMenuSoundIfLoop();
3412   }
3413 }
3414
3415 void DrawInfoScreen_LevelSet()
3416 {
3417   struct TitleMessageInfo *tmi = &readme;
3418   char *filename = getLevelSetInfoFilename();
3419   char *title = "Level Set Information:";
3420   int ystart1 = mSY - SY + 100;
3421   int ybottom = mSY - SY + SYSIZE - 20;
3422
3423   if (filename == NULL)
3424   {
3425     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3426
3427     return;
3428   }
3429
3430   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3431
3432   FadeOut(REDRAW_FIELD);
3433
3434   ClearField();
3435   DrawHeadline();
3436
3437   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3438
3439   /* if x position set to "-1", automatically determine by playfield width */
3440   if (tmi->x == -1)
3441     tmi->x = SXSIZE / 2;
3442
3443   /* if y position set to "-1", use static default value */
3444   if (tmi->y == -1)
3445     tmi->y = 150;
3446
3447   /* if width set to "-1", automatically determine by playfield width */
3448   if (tmi->width == -1)
3449     tmi->width = SXSIZE - 2 * TILEX;
3450
3451   /* if height set to "-1", automatically determine by playfield height */
3452   if (tmi->height == -1)
3453     tmi->height = SYSIZE - 20 - tmi->y - 10;
3454
3455   /* if chars set to "-1", automatically determine by text and font width */
3456   if (tmi->chars == -1)
3457     tmi->chars = tmi->width / getFontWidth(tmi->font);
3458   else
3459     tmi->width = tmi->chars * getFontWidth(tmi->font);
3460
3461   /* if lines set to "-1", automatically determine by text and font height */
3462   if (tmi->lines == -1)
3463     tmi->lines = tmi->height / getFontHeight(tmi->font);
3464   else
3465     tmi->height = tmi->lines * getFontHeight(tmi->font);
3466
3467   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3468                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3469                tmi->autowrap, tmi->centered, tmi->parse_comments);
3470
3471   DrawTextSCentered(ybottom, FONT_TEXT_4,
3472                     "Press any key or button for info menu");
3473
3474   FadeIn(REDRAW_FIELD);
3475 }
3476
3477 void HandleInfoScreen_LevelSet(int button)
3478 {
3479   if (button == MB_MENU_LEAVE)
3480   {
3481     PlaySound(SND_MENU_ITEM_SELECTING);
3482
3483     info_mode = INFO_MODE_MAIN;
3484     DrawInfoScreen();
3485
3486     return;
3487   }
3488   else if (button == MB_MENU_CHOICE)
3489   {
3490     PlaySound(SND_MENU_ITEM_SELECTING);
3491
3492     FadeSoundsAndMusic();
3493
3494     info_mode = INFO_MODE_MAIN;
3495     DrawInfoScreen();
3496   }
3497   else
3498   {
3499     PlayMenuSoundIfLoop();
3500   }
3501 }
3502
3503 static void DrawInfoScreen()
3504 {
3505   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3506
3507   if (info_mode == INFO_MODE_TITLE)
3508     DrawInfoScreen_TitleScreen();
3509   else if (info_mode == INFO_MODE_ELEMENTS)
3510     DrawInfoScreen_Elements();
3511   else if (info_mode == INFO_MODE_MUSIC)
3512     DrawInfoScreen_Music();
3513   else if (info_mode == INFO_MODE_CREDITS)
3514     DrawInfoScreen_Credits();
3515   else if (info_mode == INFO_MODE_PROGRAM)
3516     DrawInfoScreen_Program();
3517   else if (info_mode == INFO_MODE_VERSION)
3518     DrawInfoScreen_Version();
3519   else if (info_mode == INFO_MODE_LEVELSET)
3520     DrawInfoScreen_LevelSet();
3521   else
3522     DrawInfoScreen_Main();
3523
3524   if (info_mode != INFO_MODE_MAIN &&
3525       info_mode != INFO_MODE_TITLE &&
3526       info_mode != INFO_MODE_MUSIC)
3527   {
3528     PlayMenuSound();
3529     PlayMenuMusic();
3530   }
3531 }
3532
3533 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3534 {
3535   if (info_mode == INFO_MODE_TITLE)
3536     HandleInfoScreen_TitleScreen(button);
3537   else if (info_mode == INFO_MODE_ELEMENTS)
3538     HandleInfoScreen_Elements(button);
3539   else if (info_mode == INFO_MODE_MUSIC)
3540     HandleInfoScreen_Music(button);
3541   else if (info_mode == INFO_MODE_CREDITS)
3542     HandleInfoScreen_Credits(button);
3543   else if (info_mode == INFO_MODE_PROGRAM)
3544     HandleInfoScreen_Program(button);
3545   else if (info_mode == INFO_MODE_VERSION)
3546     HandleInfoScreen_Version(button);
3547   else if (info_mode == INFO_MODE_LEVELSET)
3548     HandleInfoScreen_LevelSet(button);
3549   else
3550     HandleInfoScreen_Main(mx, my, dx, dy, button);
3551 }
3552
3553
3554 /* ========================================================================= */
3555 /* type name functions                                                       */
3556 /* ========================================================================= */
3557
3558 void HandleTypeName(int newxpos, Key key)
3559 {
3560   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3561   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3562   struct TextPosInfo *pos = mci->pos_input;
3563   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3564   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3565   static int xpos = 0;
3566   int font_nr = pos->font;
3567   int font_active_nr = FONT_ACTIVE(font_nr);
3568   int font_width = getFontWidth(font_active_nr);
3569   char key_char = getValidConfigValueChar(getCharFromKey(key));
3570   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3571   boolean is_active = TRUE;
3572
3573   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3574
3575   if (newxpos)
3576   {
3577     strcpy(last_player_name, setup.player_name);
3578
3579     xpos = newxpos;
3580
3581 #if defined(TARGET_SDL2)
3582     SDL_StartTextInput();
3583 #endif
3584   }
3585   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3586   {
3587     setup.player_name[xpos] = key_char;
3588     setup.player_name[xpos + 1] = 0;
3589
3590     xpos++;
3591   }
3592   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3593   {
3594     xpos--;
3595
3596     setup.player_name[xpos] = 0;
3597   }
3598   else if (key == KSYM_Return && xpos > 0)
3599   {
3600     SaveSetup();
3601
3602     is_active = FALSE;
3603
3604     SetGameStatus(GAME_MODE_MAIN);
3605   }
3606   else if (key == KSYM_Escape)
3607   {
3608     strcpy(setup.player_name, last_player_name);
3609
3610     is_active = FALSE;
3611
3612     SetGameStatus(GAME_MODE_MAIN);
3613   }
3614
3615   if (is_active)
3616   {
3617     pos->width = (strlen(setup.player_name) + 1) * font_width;
3618     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3619
3620     DrawText(startx, starty, setup.player_name, font_active_nr);
3621     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3622   }
3623   else
3624   {
3625     pos->width = strlen(setup.player_name) * font_width;
3626     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3627
3628     DrawText(startx, starty, setup.player_name, font_nr);
3629
3630 #if defined(TARGET_SDL2)
3631     SDL_StopTextInput();
3632 #endif
3633   }
3634 }
3635
3636
3637 /* ========================================================================= */
3638 /* tree menu functions                                                       */
3639 /* ========================================================================= */
3640
3641 static void DrawChooseTree(TreeInfo **ti_ptr)
3642 {
3643   int fade_mask = REDRAW_FIELD;
3644
3645   if (CheckIfGlobalBorderHasChanged())
3646     fade_mask = REDRAW_ALL;
3647
3648   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3649   {
3650     SetGameStatus(GAME_MODE_MAIN);
3651
3652     DrawMainMenu();
3653
3654     return;
3655   }
3656
3657   UnmapAllGadgets();
3658
3659   FreeScreenGadgets();
3660   CreateScreenGadgets();
3661
3662   FadeOut(fade_mask);
3663
3664   ClearField();
3665
3666   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3667
3668   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3669   MapScreenTreeGadgets(*ti_ptr);
3670
3671   DrawMaskedBorder(fade_mask);
3672
3673   FadeIn(fade_mask);
3674
3675   InitAnimation();
3676 }
3677
3678 static void drawChooseTreeList(int first_entry, int num_page_entries,
3679                                TreeInfo *ti)
3680 {
3681   int i;
3682   char *title_string = NULL;
3683   int yoffset_sets = MENU_TITLE1_YPOS;
3684   int yoffset_setup = 16;
3685   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3686                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3687   int last_game_status = game_status;   /* save current game status */
3688
3689   title_string = ti->infotext;
3690
3691   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3692
3693   clearMenuListArea();
3694
3695   for (i = 0; i < num_page_entries; i++)
3696   {
3697     TreeInfo *node, *node_first;
3698     int entry_pos = first_entry + i;
3699     int xpos = MENU_SCREEN_START_XPOS;
3700     int ypos = MENU_SCREEN_START_YPOS + i;
3701     int startx = mSX + xpos * 32;
3702     int starty = mSY + ypos * 32;
3703     int font_nr = FONT_TEXT_1;
3704     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3705     int startx_text = startx + font_xoffset;
3706     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3707     int text_size = startx_scrollbar - startx_text;
3708     int max_buffer_len = text_size / getFontWidth(font_nr);
3709     char buffer[max_buffer_len + 1];
3710
3711     node_first = getTreeInfoFirstGroupEntry(ti);
3712     node = getTreeInfoFromPos(node_first, entry_pos);
3713
3714     strncpy(buffer, node->name, max_buffer_len);
3715     buffer[max_buffer_len] = '\0';
3716
3717     DrawText(startx, starty, buffer, font_nr + node->color);
3718
3719     if (node->parent_link)
3720       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3721     else if (node->level_group)
3722       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3723     else
3724       initCursor(i, IMG_MENU_BUTTON);
3725   }
3726
3727   SetGameStatus(last_game_status);      /* restore current game status */
3728
3729   redraw_mask |= REDRAW_FIELD;
3730 }
3731
3732 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3733 {
3734   TreeInfo *node, *node_first;
3735   int x, last_redraw_mask = redraw_mask;
3736   int ypos = MENU_TITLE2_YPOS;
3737   int font_nr = FONT_TITLE_2;
3738
3739   if (ti->type == TREE_TYPE_LEVEL_NR)
3740     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3741
3742   if (ti->type != TREE_TYPE_LEVEL_DIR)
3743     return;
3744
3745   node_first = getTreeInfoFirstGroupEntry(ti);
3746   node = getTreeInfoFromPos(node_first, entry_pos);
3747
3748   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3749
3750   if (node->parent_link)
3751     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3752                       node->node_parent->name);
3753   else if (node->level_group)
3754     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3755                       node->name);
3756   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3757     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3758                       node->levels, (node->levels > 1 ? "levels" : "level"),
3759                       node->class_desc);
3760
3761   /* let BackToFront() redraw only what is needed */
3762   redraw_mask = last_redraw_mask;
3763   for (x = 0; x < SCR_FIELDX; x++)
3764     MarkTileDirty(x, 1);
3765 }
3766
3767 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3768                              TreeInfo **ti_ptr)
3769 {
3770   TreeInfo *ti = *ti_ptr;
3771   int x = 0;
3772   int y = ti->cl_cursor;
3773   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3774   int num_entries = numTreeInfoInGroup(ti);
3775   int num_page_entries;
3776   int last_game_status = game_status;   /* save current game status */
3777   boolean position_set_by_scrollbar = (dx == 999);
3778
3779   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3780     num_page_entries = num_entries;
3781   else
3782     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3783
3784   SetGameStatus(last_game_status);      /* restore current game status */
3785
3786   if (button == MB_MENU_INITIALIZE)
3787   {
3788     int num_entries = numTreeInfoInGroup(ti);
3789     int entry_pos = posTreeInfo(ti);
3790
3791     if (ti->cl_first == -1)
3792     {
3793       /* only on initialization */
3794       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3795       ti->cl_cursor = entry_pos - ti->cl_first;
3796     }
3797     else if (ti->cl_cursor >= num_page_entries ||
3798              (num_entries > num_page_entries &&
3799               num_entries - ti->cl_first < num_page_entries))
3800     {
3801       /* only after change of list size (by custom graphic configuration) */
3802       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3803       ti->cl_cursor = entry_pos - ti->cl_first;
3804     }
3805
3806     if (position_set_by_scrollbar)
3807       ti->cl_first = dy;
3808     else
3809       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3810                                 ti->cl_first, ti);
3811
3812     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3813     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3814     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3815
3816     return;
3817   }
3818   else if (button == MB_MENU_LEAVE)
3819   {
3820     FadeSetLeaveMenu();
3821
3822     PlaySound(SND_MENU_ITEM_SELECTING);
3823
3824     if (ti->node_parent)
3825     {
3826       *ti_ptr = ti->node_parent;
3827       DrawChooseTree(ti_ptr);
3828     }
3829     else if (game_status == GAME_MODE_SETUP)
3830     {
3831       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3832           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3833           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3834         execSetupGame();
3835       else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
3836                setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3837                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
3838         execSetupGraphics();
3839       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3840                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3841                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3842         execSetupSound();
3843       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3844                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3845                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3846         execSetupTouch();
3847       else
3848         execSetupArtwork();
3849     }
3850     else
3851     {
3852       if (game_status == GAME_MODE_LEVELNR)
3853       {
3854         int new_level_nr = atoi(level_number_current->identifier);
3855
3856         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3857       }
3858
3859       SetGameStatus(GAME_MODE_MAIN);
3860
3861       DrawMainMenu();
3862     }
3863
3864     return;
3865   }
3866
3867   if (mx || my)         /* mouse input */
3868   {
3869     int last_game_status = game_status; /* save current game status */
3870
3871     x = (mx - mSX) / 32;
3872     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3873
3874     SetGameStatus(last_game_status);    /* restore current game status */
3875   }
3876   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3877   {
3878     /* move cursor instead of scrolling when already at start/end of list */
3879     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3880       dy = -1;
3881     else if (dy == +1 * SCROLL_LINE &&
3882              ti->cl_first + num_page_entries == num_entries)
3883       dy = 1;
3884
3885     /* handle scrolling screen one line or page */
3886     if (ti->cl_cursor + dy < 0 ||
3887         ti->cl_cursor + dy > num_page_entries - 1)
3888     {
3889       boolean redraw = FALSE;
3890
3891       if (ABS(dy) == SCROLL_PAGE)
3892         step = num_page_entries - 1;
3893
3894       if (dy < 0 && ti->cl_first > 0)
3895       {
3896         /* scroll page/line up */
3897
3898         ti->cl_first -= step;
3899         if (ti->cl_first < 0)
3900           ti->cl_first = 0;
3901
3902         redraw = TRUE;
3903       }
3904       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3905       {
3906         /* scroll page/line down */
3907
3908         ti->cl_first += step;
3909         if (ti->cl_first + num_page_entries > num_entries)
3910           ti->cl_first = MAX(0, num_entries - num_page_entries);
3911
3912         redraw = TRUE;
3913       }
3914
3915       if (redraw)
3916       {
3917         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3918         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3919         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3920
3921         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3922                                   ti->cl_first, ti);
3923       }
3924
3925       return;
3926     }
3927
3928     /* handle moving cursor one line */
3929     y = ti->cl_cursor + dy;
3930   }
3931
3932   if (dx == 1)
3933   {
3934     TreeInfo *node_first, *node_cursor;
3935     int entry_pos = ti->cl_first + y;
3936
3937     node_first = getTreeInfoFirstGroupEntry(ti);
3938     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3939
3940     if (node_cursor->node_group)
3941     {
3942       FadeSetEnterMenu();
3943
3944       PlaySound(SND_MENU_ITEM_SELECTING);
3945
3946       node_cursor->cl_first = ti->cl_first;
3947       node_cursor->cl_cursor = ti->cl_cursor;
3948       *ti_ptr = node_cursor->node_group;
3949       DrawChooseTree(ti_ptr);
3950
3951       return;
3952     }
3953   }
3954   else if (dx == -1 && ti->node_parent)
3955   {
3956     FadeSetLeaveMenu();
3957
3958     PlaySound(SND_MENU_ITEM_SELECTING);
3959
3960     *ti_ptr = ti->node_parent;
3961     DrawChooseTree(ti_ptr);
3962
3963     return;
3964   }
3965
3966   if (!anyScrollbarGadgetActive() &&
3967       IN_VIS_MENU(x, y) &&
3968       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3969       y >= 0 && y < num_page_entries)
3970   {
3971     if (button)
3972     {
3973       if (y != ti->cl_cursor)
3974       {
3975         PlaySound(SND_MENU_ITEM_ACTIVATING);
3976
3977         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3978         drawChooseTreeCursor(y, TRUE);
3979         drawChooseTreeInfo(ti->cl_first + y, ti);
3980
3981         ti->cl_cursor = y;
3982       }
3983     }
3984     else
3985     {
3986       TreeInfo *node_first, *node_cursor;
3987       int entry_pos = ti->cl_first + y;
3988
3989       PlaySound(SND_MENU_ITEM_SELECTING);
3990
3991       node_first = getTreeInfoFirstGroupEntry(ti);
3992       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3993
3994       if (node_cursor->node_group)
3995       {
3996         FadeSetEnterMenu();
3997
3998         node_cursor->cl_first = ti->cl_first;
3999         node_cursor->cl_cursor = ti->cl_cursor;
4000         *ti_ptr = node_cursor->node_group;
4001         DrawChooseTree(ti_ptr);
4002       }
4003       else if (node_cursor->parent_link)
4004       {
4005         FadeSetLeaveMenu();
4006
4007         *ti_ptr = node_cursor->node_parent;
4008         DrawChooseTree(ti_ptr);
4009       }
4010       else
4011       {
4012         FadeSetEnterMenu();
4013
4014         node_cursor->cl_first = ti->cl_first;
4015         node_cursor->cl_cursor = ti->cl_cursor;
4016         *ti_ptr = node_cursor;
4017
4018         if (ti->type == TREE_TYPE_LEVEL_DIR)
4019         {
4020           LoadLevelSetup_SeriesInfo();
4021
4022           SaveLevelSetup_LastSeries();
4023           SaveLevelSetup_SeriesInfo();
4024           TapeErase();
4025         }
4026
4027         if (game_status == GAME_MODE_SETUP)
4028         {
4029           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4030               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4031               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4032             execSetupGame();
4033           else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE ||
4034                    setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4035                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
4036             execSetupGraphics();
4037           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4038                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4039                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4040             execSetupSound();
4041           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4042                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4043                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4044             execSetupTouch();
4045           else
4046             execSetupArtwork();
4047         }
4048         else
4049         {
4050           if (game_status == GAME_MODE_LEVELNR)
4051           {
4052             int new_level_nr = atoi(level_number_current->identifier);
4053
4054             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4055           }
4056
4057           SetGameStatus(GAME_MODE_MAIN);
4058
4059           DrawMainMenu();
4060         }
4061       }
4062     }
4063   }
4064 }
4065
4066 void DrawChooseLevelSet()
4067 {
4068   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4069
4070   DrawChooseTree(&leveldir_current);
4071
4072   PlayMenuSound();
4073   PlayMenuMusic();
4074 }
4075
4076 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4077 {
4078   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4079 }
4080
4081 void DrawChooseLevelNr()
4082 {
4083   int i;
4084
4085   if (level_number != NULL)
4086   {
4087     freeTreeInfo(level_number);
4088
4089     level_number = NULL;
4090   }
4091
4092   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4093   {
4094     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4095     char identifier[32], name[32];
4096     int value = i;
4097
4098     /* temporarily load level info to get level name */
4099     LoadLevelInfoOnly(i);
4100
4101     ti->node_top = &level_number;
4102     ti->sort_priority = 10000 + value;
4103     ti->color = (level.no_valid_file ? FC_BLUE :
4104                  LevelStats_getSolved(i) ? FC_GREEN :
4105                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4106
4107     sprintf(identifier, "%d", value);
4108     sprintf(name, "%03d: %s", value,
4109             (level.no_valid_file ? "(no file)" : level.name));
4110
4111     setString(&ti->identifier, identifier);
4112     setString(&ti->name, name);
4113     setString(&ti->name_sorting, name);
4114
4115     pushTreeInfo(&level_number, ti);
4116   }
4117
4118   /* sort level number values to start with lowest level number */
4119   sortTreeInfo(&level_number);
4120
4121   /* set current level number to current level number */
4122   level_number_current =
4123     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4124
4125   /* if that also fails, set current level number to first available level */
4126   if (level_number_current == NULL)
4127     level_number_current = level_number;
4128
4129   SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4130
4131   DrawChooseTree(&level_number_current);
4132
4133   PlayMenuSound();
4134   PlayMenuMusic();
4135 }
4136
4137 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4138 {
4139   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4140 }
4141
4142 void DrawHallOfFame(int highlight_position)
4143 {
4144   int fade_mask = REDRAW_FIELD;
4145
4146   /* needed if different viewport properties defined for scores */
4147   ChangeViewportPropertiesIfNeeded();
4148
4149   if (CheckIfGlobalBorderHasChanged())
4150     fade_mask = REDRAW_ALL;
4151
4152   UnmapAllGadgets();
4153   FadeSoundsAndMusic();
4154
4155   /* (this is needed when called from GameEnd() after winning a game) */
4156   KeyboardAutoRepeatOn();
4157   ActivateJoystick();
4158
4159   /* (this is needed when called from GameEnd() after winning a game) */
4160   SetDrawDeactivationMask(REDRAW_NONE);
4161   SetDrawBackgroundMask(REDRAW_FIELD);
4162
4163   if (highlight_position < 0)
4164     LoadScore(level_nr);
4165
4166   FadeSetEnterScreen();
4167
4168   FadeOut(fade_mask);
4169
4170   InitAnimation();
4171
4172   PlayMenuSound();
4173   PlayMenuMusic();
4174
4175   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4176
4177   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4178
4179   DrawMaskedBorder(fade_mask);
4180
4181   FadeIn(fade_mask);
4182 }
4183
4184 static void drawHallOfFameList(int first_entry, int highlight_position)
4185 {
4186   int i, j;
4187
4188   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4189   ClearField();
4190
4191   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4192   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4193                     "HighScores of Level %d", level_nr);
4194
4195   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4196   {
4197     int entry = first_entry + i;
4198     boolean active = (entry == highlight_position);
4199     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4200     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4201     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4202     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4203     int dx1 = 3 * getFontWidth(font_nr1);
4204     int dx2 = dx1 + getFontWidth(font_nr1);
4205     int dx3 = SXSIZE - 2 * (mSX - SX) - 5 * getFontWidth(font_nr4);
4206     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4207     int sy = mSY + 64 + i * 32;
4208
4209     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4210     DrawText(mSX + dx1, sy, ".", font_nr1);
4211
4212     for (j = 0; j < num_dots; j++)
4213       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4214
4215     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4216       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4217
4218     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4219   }
4220
4221   redraw_mask |= REDRAW_FIELD;
4222 }
4223
4224 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4225 {
4226   static int first_entry = 0;
4227   static int highlight_position = 0;
4228   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4229
4230   if (button == MB_MENU_INITIALIZE)
4231   {
4232     first_entry = 0;
4233     highlight_position = mx;
4234     drawHallOfFameList(first_entry, highlight_position);
4235
4236     return;
4237   }
4238
4239   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4240     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4241
4242   if (dy < 0)
4243   {
4244     if (first_entry > 0)
4245     {
4246       first_entry -= step;
4247       if (first_entry < 0)
4248         first_entry = 0;
4249
4250       drawHallOfFameList(first_entry, highlight_position);
4251     }
4252   }
4253   else if (dy > 0)
4254   {
4255     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4256     {
4257       first_entry += step;
4258       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4259         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4260
4261       drawHallOfFameList(first_entry, highlight_position);
4262     }
4263   }
4264   else if (button == MB_MENU_LEAVE)
4265   {
4266     PlaySound(SND_MENU_ITEM_SELECTING);
4267
4268     FadeSound(SND_BACKGROUND_SCORES);
4269
4270     SetGameStatus(GAME_MODE_MAIN);
4271
4272     DrawMainMenu();
4273   }
4274   else if (button == MB_MENU_CHOICE)
4275   {
4276     PlaySound(SND_MENU_ITEM_SELECTING);
4277
4278     FadeSound(SND_BACKGROUND_SCORES);
4279
4280     SetGameStatus(GAME_MODE_MAIN);
4281
4282     DrawMainMenu();
4283   }
4284
4285   if (game_status == GAME_MODE_SCORES)
4286     PlayMenuSoundIfLoop();
4287 }
4288
4289
4290 /* ========================================================================= */
4291 /* setup screen functions                                                    */
4292 /* ========================================================================= */
4293
4294 static struct TokenInfo *setup_info;
4295 static int num_setup_info;      /* number of setup entries shown on screen */
4296 static int max_setup_info;      /* total number of setup entries in list */
4297
4298 static char *screen_mode_text;
4299 static char *window_size_text;
4300 static char *scaling_type_text;
4301 static char *scroll_delay_text;
4302 static char *snapshot_mode_text;
4303 static char *game_speed_text;
4304 static char *graphics_set_name;
4305 static char *sounds_set_name;
4306 static char *music_set_name;
4307 static char *volume_simple_text;
4308 static char *volume_loops_text;
4309 static char *volume_music_text;
4310 static char *touch_controls_text;
4311 static char *move_distance_text;
4312 static char *drop_distance_text;
4313
4314 static void execSetupMain()
4315 {
4316   setup_mode = SETUP_MODE_MAIN;
4317
4318   DrawSetupScreen();
4319 }
4320
4321 static void execSetupGame_setGameSpeeds()
4322 {
4323   if (game_speeds == NULL)
4324   {
4325     int i;
4326
4327     for (i = 0; game_speeds_list[i].value != -1; i++)
4328     {
4329       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4330       char identifier[32], name[32];
4331       int value = game_speeds_list[i].value;
4332       char *text = game_speeds_list[i].text;
4333
4334       ti->node_top = &game_speeds;
4335       ti->sort_priority = 10000 - value;
4336
4337       sprintf(identifier, "%d", value);
4338       sprintf(name, "%s", text);
4339
4340       setString(&ti->identifier, identifier);
4341       setString(&ti->name, name);
4342       setString(&ti->name_sorting, name);
4343       setString(&ti->infotext, "Game Speed");
4344
4345       pushTreeInfo(&game_speeds, ti);
4346     }
4347
4348     /* sort game speed values to start with slowest game speed */
4349     sortTreeInfo(&game_speeds);
4350
4351     /* set current game speed to configured game speed value */
4352     game_speed_current =
4353       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4354
4355     /* if that fails, set current game speed to reliable default value */
4356     if (game_speed_current == NULL)
4357       game_speed_current =
4358         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4359
4360     /* if that also fails, set current game speed to first available speed */
4361     if (game_speed_current == NULL)
4362       game_speed_current = game_speeds;
4363   }
4364
4365   setup.game_frame_delay = atoi(game_speed_current->identifier);
4366
4367   /* needed for displaying game speed text instead of identifier */
4368   game_speed_text = game_speed_current->name;
4369 }
4370
4371 static void execSetupGame_setScrollDelays()
4372 {
4373   if (scroll_delays == NULL)
4374   {
4375     int i;
4376
4377     for (i = 0; scroll_delays_list[i].value != -1; i++)
4378     {
4379       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4380       char identifier[32], name[32];
4381       int value = scroll_delays_list[i].value;
4382       char *text = scroll_delays_list[i].text;
4383
4384       ti->node_top = &scroll_delays;
4385       ti->sort_priority = value;
4386
4387       sprintf(identifier, "%d", value);
4388       sprintf(name, "%s", text);
4389
4390       setString(&ti->identifier, identifier);
4391       setString(&ti->name, name);
4392       setString(&ti->name_sorting, name);
4393       setString(&ti->infotext, "Scaling Type");
4394
4395       pushTreeInfo(&scroll_delays, ti);
4396     }
4397
4398     /* sort scaling type values to start with lowest scaling type value */
4399     sortTreeInfo(&scroll_delays);
4400
4401     /* set current scaling type value to configured scaling type value */
4402     scroll_delay_current =
4403       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4404
4405     /* if that fails, set current scaling type to reliable default value */
4406     if (scroll_delay_current == NULL)
4407       scroll_delay_current =
4408         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4409
4410     /* if that also fails, set current scaling type to first available value */
4411     if (scroll_delay_current == NULL)
4412       scroll_delay_current = scroll_delays;
4413   }
4414
4415   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4416
4417   /* needed for displaying scaling type text instead of identifier */
4418   scroll_delay_text = scroll_delay_current->name;
4419 }
4420
4421 static void execSetupGame_setSnapshotModes()
4422 {
4423   if (snapshot_modes == NULL)
4424   {
4425     int i;
4426
4427     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4428     {
4429       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4430       char identifier[32], name[32];
4431       char *value = snapshot_modes_list[i].value;
4432       char *text = snapshot_modes_list[i].text;
4433
4434       ti->node_top = &snapshot_modes;
4435       ti->sort_priority = i;
4436
4437       sprintf(identifier, "%s", value);
4438       sprintf(name, "%s", text);
4439
4440       setString(&ti->identifier, identifier);
4441       setString(&ti->name, name);
4442       setString(&ti->name_sorting, name);
4443       setString(&ti->infotext, "Snapshot Mode");
4444
4445       pushTreeInfo(&snapshot_modes, ti);
4446     }
4447
4448     /* sort snapshot mode values to start with lowest snapshot mode value */
4449     sortTreeInfo(&snapshot_modes);
4450
4451     /* set current snapshot mode value to configured snapshot mode value */
4452     snapshot_mode_current =
4453       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4454
4455     /* if that fails, set current snapshot mode to reliable default value */
4456     if (snapshot_mode_current == NULL)
4457       snapshot_mode_current =
4458         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4459
4460     /* if that also fails, set current snapshot mode to first available value */
4461     if (snapshot_mode_current == NULL)
4462       snapshot_mode_current = snapshot_modes;
4463   }
4464
4465   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4466
4467   /* needed for displaying snapshot mode text instead of identifier */
4468   snapshot_mode_text = snapshot_mode_current->name;
4469 }
4470
4471 static void execSetupGame()
4472 {
4473   execSetupGame_setGameSpeeds();
4474   execSetupGame_setScrollDelays();
4475   execSetupGame_setSnapshotModes();
4476
4477   setup_mode = SETUP_MODE_GAME;
4478
4479   DrawSetupScreen();
4480 }
4481
4482 static void execSetupChooseGameSpeed()
4483 {
4484   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4485
4486   DrawSetupScreen();
4487 }
4488
4489 static void execSetupChooseScrollDelay()
4490 {
4491   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4492
4493   DrawSetupScreen();
4494 }
4495
4496 static void execSetupChooseSnapshotMode()
4497 {
4498   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4499
4500   DrawSetupScreen();
4501 }
4502
4503 static void execSetupEditor()
4504 {
4505   setup_mode = SETUP_MODE_EDITOR;
4506
4507   DrawSetupScreen();
4508 }
4509
4510 static void execSetupGraphics_setWindowSizes(boolean update_list)
4511 {
4512   if (window_sizes != NULL && update_list)
4513   {
4514     freeTreeInfo(window_sizes);
4515
4516     window_sizes = NULL;
4517   }
4518
4519   if (window_sizes == NULL)
4520   {
4521     boolean current_window_size_found = FALSE;
4522     int i;
4523
4524     for (i = 0; window_sizes_list[i].value != -1; i++)
4525     {
4526       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4527       char identifier[32], name[32];
4528       int value = window_sizes_list[i].value;
4529       char *text = window_sizes_list[i].text;
4530
4531       ti->node_top = &window_sizes;
4532       ti->sort_priority = value;
4533
4534       sprintf(identifier, "%d", value);
4535       sprintf(name, "%s", text);
4536
4537       setString(&ti->identifier, identifier);
4538       setString(&ti->name, name);
4539       setString(&ti->name_sorting, name);
4540       setString(&ti->infotext, "Window Scaling");
4541
4542       pushTreeInfo(&window_sizes, ti);
4543
4544       if (value == setup.window_scaling_percent)
4545         current_window_size_found = TRUE;
4546     }
4547
4548     if (!current_window_size_found)
4549     {
4550       // add entry for non-preset window scaling value
4551
4552       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4553       char identifier[32], name[32];
4554       int value = setup.window_scaling_percent;
4555
4556       ti->node_top = &window_sizes;
4557       ti->sort_priority = value;
4558
4559       sprintf(identifier, "%d", value);
4560       sprintf(name, "%d %% (Current)", value);
4561
4562       setString(&ti->identifier, identifier);
4563       setString(&ti->name, name);
4564       setString(&ti->name_sorting, name);
4565       setString(&ti->infotext, "Window Scaling");
4566
4567       pushTreeInfo(&window_sizes, ti);
4568     }
4569
4570     /* sort window size values to start with lowest window size value */
4571     sortTreeInfo(&window_sizes);
4572
4573     /* set current window size value to configured window size value */
4574     window_size_current =
4575       getTreeInfoFromIdentifier(window_sizes,
4576                                 i_to_a(setup.window_scaling_percent));
4577
4578     /* if that fails, set current window size to reliable default value */
4579     if (window_size_current == NULL)
4580       window_size_current =
4581         getTreeInfoFromIdentifier(window_sizes,
4582                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4583
4584     /* if that also fails, set current window size to first available value */
4585     if (window_size_current == NULL)
4586       window_size_current = window_sizes;
4587   }
4588
4589   setup.window_scaling_percent = atoi(window_size_current->identifier);
4590
4591   /* needed for displaying window size text instead of identifier */
4592   window_size_text = window_size_current->name;
4593 }
4594
4595 static void execSetupGraphics_setScalingTypes()
4596 {
4597   if (scaling_types == NULL)
4598   {
4599     int i;
4600
4601     for (i = 0; scaling_types_list[i].value != NULL; i++)
4602     {
4603       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4604       char identifier[32], name[32];
4605       char *value = scaling_types_list[i].value;
4606       char *text = scaling_types_list[i].text;
4607
4608       ti->node_top = &scaling_types;
4609       ti->sort_priority = i;
4610
4611       sprintf(identifier, "%s", value);
4612       sprintf(name, "%s", text);
4613
4614       setString(&ti->identifier, identifier);
4615       setString(&ti->name, name);
4616       setString(&ti->name_sorting, name);
4617       setString(&ti->infotext, "Anti-Aliasing");
4618
4619       pushTreeInfo(&scaling_types, ti);
4620     }
4621
4622     /* sort scaling type values to start with lowest scaling type value */
4623     sortTreeInfo(&scaling_types);
4624
4625     /* set current scaling type value to configured scaling type value */
4626     scaling_type_current =
4627       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4628
4629     /* if that fails, set current scaling type to reliable default value */
4630     if (scaling_type_current == NULL)
4631       scaling_type_current =
4632         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4633
4634     /* if that also fails, set current scaling type to first available value */
4635     if (scaling_type_current == NULL)
4636       scaling_type_current = scaling_types;
4637   }
4638
4639   setup.window_scaling_quality = scaling_type_current->identifier;
4640
4641   /* needed for displaying scaling type text instead of identifier */
4642   scaling_type_text = scaling_type_current->name;
4643 }
4644
4645 static void execSetupGraphics_setScreenModes()
4646 {
4647   // if (screen_modes == NULL && video.fullscreen_available)
4648   if (screen_modes == NULL && video.fullscreen_modes != NULL)
4649   {
4650     int i;
4651
4652     for (i = 0; video.fullscreen_modes[i].width != -1; i++)
4653     {
4654       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4655       char identifier[32], name[32];
4656       int x = video.fullscreen_modes[i].width;
4657       int y = video.fullscreen_modes[i].height;
4658       int xx, yy;
4659
4660       get_aspect_ratio_from_screen_mode(&video.fullscreen_modes[i], &xx, &yy);
4661
4662       ti->node_top = &screen_modes;
4663       ti->sort_priority = x * 10000 + y;
4664
4665       sprintf(identifier, "%dx%d", x, y);
4666       sprintf(name, "%d x %d [%d:%d]", x, y, xx, yy);
4667
4668       setString(&ti->identifier, identifier);
4669       setString(&ti->name, name);
4670       setString(&ti->name_sorting, name);
4671       setString(&ti->infotext, "Fullscreen Mode");
4672
4673       pushTreeInfo(&screen_modes, ti);
4674     }
4675
4676     /* sort fullscreen modes to start with lowest available screen resolution */
4677     sortTreeInfo(&screen_modes);
4678
4679     /* set current screen mode for fullscreen mode to configured setup value */
4680     screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4681                                                     setup.fullscreen_mode);
4682
4683     /* if that fails, set current screen mode to reliable default value */
4684     if (screen_mode_current == NULL)
4685       screen_mode_current = getTreeInfoFromIdentifier(screen_modes,
4686                                                       DEFAULT_FULLSCREEN_MODE);
4687
4688     /* if that also fails, set current screen mode to first available mode */
4689     if (screen_mode_current == NULL)
4690       screen_mode_current = screen_modes;
4691
4692     if (screen_mode_current == NULL)
4693       video.fullscreen_available = FALSE;
4694   }
4695
4696   // if (video.fullscreen_available)
4697   if (screen_mode_current != NULL)
4698   {
4699     setup.fullscreen_mode = screen_mode_current->identifier;
4700
4701     /* needed for displaying screen mode name instead of identifier */
4702     screen_mode_text = screen_mode_current->name;
4703   }
4704 }
4705
4706 static void execSetupGraphics()
4707 {
4708   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4709   {
4710     // update "setup.window_scaling_percent" from list selection
4711     execSetupGraphics_setWindowSizes(FALSE);
4712   }
4713   else
4714   {
4715     // update list selection from "setup.window_scaling_percent"
4716     execSetupGraphics_setWindowSizes(TRUE);
4717   }
4718
4719   execSetupGraphics_setScalingTypes();
4720   execSetupGraphics_setScreenModes();
4721
4722   setup_mode = SETUP_MODE_GRAPHICS;
4723
4724   DrawSetupScreen();
4725
4726 #if defined(TARGET_SDL2)
4727   // window scaling may have changed at this point
4728   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4729
4730   // window scaling quality may have changed at this point
4731   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4732     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4733 #endif
4734 }
4735
4736 #if !defined(PLATFORM_ANDROID)
4737 #if defined(TARGET_SDL2)
4738 static void execSetupChooseWindowSize()
4739 {
4740   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4741
4742   DrawSetupScreen();
4743 }
4744
4745 static void execSetupChooseScalingType()
4746 {
4747   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4748
4749   DrawSetupScreen();
4750 }
4751 #else
4752 static void execSetupChooseScreenMode()
4753 {
4754   if (!video.fullscreen_available)
4755     return;
4756
4757   setup_mode = SETUP_MODE_CHOOSE_SCREEN_MODE;
4758
4759   DrawSetupScreen();
4760 }
4761 #endif
4762 #endif
4763
4764 static void execSetupChooseVolumeSimple()
4765 {
4766   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4767
4768   DrawSetupScreen();
4769 }
4770
4771 static void execSetupChooseVolumeLoops()
4772 {
4773   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4774
4775   DrawSetupScreen();
4776 }
4777
4778 static void execSetupChooseVolumeMusic()
4779 {
4780   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4781
4782   DrawSetupScreen();
4783 }
4784
4785 static void execSetupSound()
4786 {
4787   if (volumes_simple == NULL)
4788   {
4789     boolean current_volume_simple_found = FALSE;
4790     int i;
4791
4792     for (i = 0; volumes_list[i].value != -1; i++)
4793     {
4794       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4795       char identifier[32], name[32];
4796       int value = volumes_list[i].value;
4797       char *text = volumes_list[i].text;
4798
4799       ti->node_top = &volumes_simple;
4800       ti->sort_priority = value;
4801
4802       sprintf(identifier, "%d", value);
4803       sprintf(name, "%s", text);
4804
4805       setString(&ti->identifier, identifier);
4806       setString(&ti->name, name);
4807       setString(&ti->name_sorting, name);
4808       setString(&ti->infotext, "Sound Volume");
4809
4810       pushTreeInfo(&volumes_simple, ti);
4811
4812       if (value == setup.volume_simple)
4813         current_volume_simple_found = TRUE;
4814     }
4815
4816     if (!current_volume_simple_found)
4817     {
4818       // add entry for non-preset volume value
4819
4820       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4821       char identifier[32], name[32];
4822       int value = setup.volume_simple;
4823
4824       ti->node_top = &volumes_simple;
4825       ti->sort_priority = value;
4826
4827       sprintf(identifier, "%d", value);
4828       sprintf(name, "%d %% (Current)", value);
4829
4830       setString(&ti->identifier, identifier);
4831       setString(&ti->name, name);
4832       setString(&ti->name_sorting, name);
4833       setString(&ti->infotext, "Sound Volume");
4834
4835       pushTreeInfo(&volumes_simple, ti);
4836     }
4837
4838     /* sort volume values to start with lowest volume value */
4839     sortTreeInfo(&volumes_simple);
4840
4841     /* set current volume value to configured volume value */
4842     volume_simple_current =
4843       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4844
4845     /* if that fails, set current volume to reliable default value */
4846     if (volume_simple_current == NULL)
4847       volume_simple_current =
4848         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4849
4850     /* if that also fails, set current volume to first available value */
4851     if (volume_simple_current == NULL)
4852       volume_simple_current = volumes_simple;
4853   }
4854
4855   if (volumes_loops == NULL)
4856   {
4857     boolean current_volume_loops_found = FALSE;
4858     int i;
4859
4860     for (i = 0; volumes_list[i].value != -1; i++)
4861     {
4862       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4863       char identifier[32], name[32];
4864       int value = volumes_list[i].value;
4865       char *text = volumes_list[i].text;
4866
4867       ti->node_top = &volumes_loops;
4868       ti->sort_priority = value;
4869
4870       sprintf(identifier, "%d", value);
4871       sprintf(name, "%s", text);
4872
4873       setString(&ti->identifier, identifier);
4874       setString(&ti->name, name);
4875       setString(&ti->name_sorting, name);
4876       setString(&ti->infotext, "Loops Volume");
4877
4878       pushTreeInfo(&volumes_loops, ti);
4879
4880       if (value == setup.volume_loops)
4881         current_volume_loops_found = TRUE;
4882     }
4883
4884     if (!current_volume_loops_found)
4885     {
4886       // add entry for non-preset volume value
4887
4888       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4889       char identifier[32], name[32];
4890       int value = setup.volume_loops;
4891
4892       ti->node_top = &volumes_loops;
4893       ti->sort_priority = value;
4894
4895       sprintf(identifier, "%d", value);
4896       sprintf(name, "%d %% (Current)", value);
4897
4898       setString(&ti->identifier, identifier);
4899       setString(&ti->name, name);
4900       setString(&ti->name_sorting, name);
4901       setString(&ti->infotext, "Loops Volume");
4902
4903       pushTreeInfo(&volumes_loops, ti);
4904     }
4905
4906     /* sort volume values to start with lowest volume value */
4907     sortTreeInfo(&volumes_loops);
4908
4909     /* set current volume value to configured volume value */
4910     volume_loops_current =
4911       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4912
4913     /* if that fails, set current volume to reliable default value */
4914     if (volume_loops_current == NULL)
4915       volume_loops_current =
4916         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4917
4918     /* if that also fails, set current volume to first available value */
4919     if (volume_loops_current == NULL)
4920       volume_loops_current = volumes_loops;
4921   }
4922
4923   if (volumes_music == NULL)
4924   {
4925     boolean current_volume_music_found = FALSE;
4926     int i;
4927
4928     for (i = 0; volumes_list[i].value != -1; i++)
4929     {
4930       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4931       char identifier[32], name[32];
4932       int value = volumes_list[i].value;
4933       char *text = volumes_list[i].text;
4934
4935       ti->node_top = &volumes_music;
4936       ti->sort_priority = value;
4937
4938       sprintf(identifier, "%d", value);
4939       sprintf(name, "%s", text);
4940
4941       setString(&ti->identifier, identifier);
4942       setString(&ti->name, name);
4943       setString(&ti->name_sorting, name);
4944       setString(&ti->infotext, "Music Volume");
4945
4946       pushTreeInfo(&volumes_music, ti);
4947
4948       if (value == setup.volume_music)
4949         current_volume_music_found = TRUE;
4950     }
4951
4952     if (!current_volume_music_found)
4953     {
4954       // add entry for non-preset volume value
4955
4956       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4957       char identifier[32], name[32];
4958       int value = setup.volume_music;
4959
4960       ti->node_top = &volumes_music;
4961       ti->sort_priority = value;
4962
4963       sprintf(identifier, "%d", value);
4964       sprintf(name, "%d %% (Current)", value);
4965
4966       setString(&ti->identifier, identifier);
4967       setString(&ti->name, name);
4968       setString(&ti->name_sorting, name);
4969       setString(&ti->infotext, "Music Volume");
4970
4971       pushTreeInfo(&volumes_music, ti);
4972     }
4973
4974     /* sort volume values to start with lowest volume value */
4975     sortTreeInfo(&volumes_music);
4976
4977     /* set current volume value to configured volume value */
4978     volume_music_current =
4979       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4980
4981     /* if that fails, set current volume to reliable default value */
4982     if (volume_music_current == NULL)
4983       volume_music_current =
4984         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4985
4986     /* if that also fails, set current volume to first available value */
4987     if (volume_music_current == NULL)
4988       volume_music_current = volumes_music;
4989   }
4990
4991   setup.volume_simple = atoi(volume_simple_current->identifier);
4992   setup.volume_loops  = atoi(volume_loops_current->identifier);
4993   setup.volume_music  = atoi(volume_music_current->identifier);
4994
4995   /* needed for displaying volume text instead of identifier */
4996   volume_simple_text = volume_simple_current->name;
4997   volume_loops_text = volume_loops_current->name;
4998   volume_music_text = volume_music_current->name;
4999
5000   setup_mode = SETUP_MODE_SOUND;
5001
5002   DrawSetupScreen();
5003 }
5004
5005 static void execSetupChooseTouchControls()
5006 {
5007   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5008
5009   DrawSetupScreen();
5010 }
5011
5012 static void execSetupChooseMoveDistance()
5013 {
5014   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5015
5016   DrawSetupScreen();
5017 }
5018
5019 static void execSetupChooseDropDistance()
5020 {
5021   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5022
5023   DrawSetupScreen();
5024 }
5025
5026 static void execSetupTouch()
5027 {
5028   if (touch_controls == NULL)
5029   {
5030     int i;
5031
5032     for (i = 0; touch_controls_list[i].value != NULL; i++)
5033     {
5034       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5035       char identifier[32], name[32];
5036       char *value = touch_controls_list[i].value;
5037       char *text = touch_controls_list[i].text;
5038
5039       ti->node_top = &touch_controls;
5040       ti->sort_priority = i;
5041
5042       sprintf(identifier, "%s", value);
5043       sprintf(name, "%s", text);
5044
5045       setString(&ti->identifier, identifier);
5046       setString(&ti->name, name);
5047       setString(&ti->name_sorting, name);
5048       setString(&ti->infotext, "Control Type");
5049
5050       pushTreeInfo(&touch_controls, ti);
5051     }
5052
5053     /* sort touch control values to start with lowest touch control value */
5054     sortTreeInfo(&touch_controls);
5055
5056     /* set current touch control value to configured touch control value */
5057     touch_control_current =
5058       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5059
5060     /* if that fails, set current touch control to reliable default value */
5061     if (touch_control_current == NULL)
5062       touch_control_current =
5063         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5064
5065     /* if that also fails, set current touch control to first available value */
5066     if (touch_control_current == NULL)
5067       touch_control_current = touch_controls;
5068   }
5069
5070   if (move_distances == NULL)
5071   {
5072     int i;
5073
5074     for (i = 0; distances_list[i].value != -1; i++)
5075     {
5076       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5077       char identifier[32], name[32];
5078       int value = distances_list[i].value;
5079       char *text = distances_list[i].text;
5080
5081       ti->node_top = &move_distances;
5082       ti->sort_priority = value;
5083
5084       sprintf(identifier, "%d", value);
5085       sprintf(name, "%s", text);
5086
5087       setString(&ti->identifier, identifier);
5088       setString(&ti->name, name);
5089       setString(&ti->name_sorting, name);
5090       setString(&ti->infotext, "Move Distance");
5091
5092       pushTreeInfo(&move_distances, ti);
5093     }
5094
5095     /* sort distance values to start with lowest distance value */
5096     sortTreeInfo(&move_distances);
5097
5098     /* set current distance value to configured distance value */
5099     move_distance_current =
5100       getTreeInfoFromIdentifier(move_distances,
5101                                 i_to_a(setup.touch.move_distance));
5102
5103     /* if that fails, set current distance to reliable default value */
5104     if (move_distance_current == NULL)
5105       move_distance_current =
5106         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5107
5108     /* if that also fails, set current distance to first available value */
5109     if (move_distance_current == NULL)
5110       move_distance_current = move_distances;
5111   }
5112
5113   if (drop_distances == NULL)
5114   {
5115     int i;
5116
5117     for (i = 0; distances_list[i].value != -1; i++)
5118     {
5119       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5120       char identifier[32], name[32];
5121       int value = distances_list[i].value;
5122       char *text = distances_list[i].text;
5123
5124       ti->node_top = &drop_distances;
5125       ti->sort_priority = value;
5126
5127       sprintf(identifier, "%d", value);
5128       sprintf(name, "%s", text);
5129
5130       setString(&ti->identifier, identifier);
5131       setString(&ti->name, name);
5132       setString(&ti->name_sorting, name);
5133       setString(&ti->infotext, "Drop Distance");
5134
5135       pushTreeInfo(&drop_distances, ti);
5136     }
5137
5138     /* sort distance values to start with lowest distance value */
5139     sortTreeInfo(&drop_distances);
5140
5141     /* set current distance value to configured distance value */
5142     drop_distance_current =
5143       getTreeInfoFromIdentifier(drop_distances,
5144                                 i_to_a(setup.touch.drop_distance));
5145
5146     /* if that fails, set current distance to reliable default value */
5147     if (drop_distance_current == NULL)
5148       drop_distance_current =
5149         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5150
5151     /* if that also fails, set current distance to first available value */
5152     if (drop_distance_current == NULL)
5153       drop_distance_current = drop_distances;
5154   }
5155
5156   setup.touch.control_type = touch_control_current->identifier;
5157   setup.touch.move_distance = atoi(move_distance_current->identifier);
5158   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5159
5160   /* needed for displaying volume text instead of identifier */
5161   touch_controls_text = touch_control_current->name;
5162   move_distance_text = move_distance_current->name;
5163   drop_distance_text = drop_distance_current->name;
5164
5165   setup_mode = SETUP_MODE_TOUCH;
5166
5167   DrawSetupScreen();
5168 }
5169
5170 static void execSetupArtwork()
5171 {
5172 #if 0
5173   printf("::: '%s', '%s', '%s'\n",
5174          artwork.gfx_current->subdir,
5175          artwork.gfx_current->fullpath,
5176          artwork.gfx_current->basepath);
5177 #endif
5178
5179   setup.graphics_set = artwork.gfx_current->identifier;
5180   setup.sounds_set = artwork.snd_current->identifier;
5181   setup.music_set = artwork.mus_current->identifier;
5182
5183   /* needed if last screen (setup choice) changed graphics, sounds or music */
5184   ReloadCustomArtwork(0);
5185
5186   /* needed for displaying artwork name instead of artwork identifier */
5187   graphics_set_name = artwork.gfx_current->name;
5188   sounds_set_name = artwork.snd_current->name;
5189   music_set_name = artwork.mus_current->name;
5190
5191   setup_mode = SETUP_MODE_ARTWORK;
5192
5193   DrawSetupScreen();
5194 }
5195
5196 static void execSetupChooseGraphics()
5197 {
5198   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5199
5200   DrawSetupScreen();
5201 }
5202
5203 static void execSetupChooseSounds()
5204 {
5205   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5206
5207   DrawSetupScreen();
5208 }
5209
5210 static void execSetupChooseMusic()
5211 {
5212   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5213
5214   DrawSetupScreen();
5215 }
5216
5217 #if !defined(PLATFORM_ANDROID)
5218 static void execSetupInput()
5219 {
5220   setup_mode = SETUP_MODE_INPUT;
5221
5222   DrawSetupScreen();
5223 }
5224 #endif
5225
5226 static void execSetupShortcuts()
5227 {
5228   setup_mode = SETUP_MODE_SHORTCUTS;
5229
5230   DrawSetupScreen();
5231 }
5232
5233 static void execSetupShortcuts1()
5234 {
5235   setup_mode = SETUP_MODE_SHORTCUTS_1;
5236
5237   DrawSetupScreen();
5238 }
5239
5240 static void execSetupShortcuts2()
5241 {
5242   setup_mode = SETUP_MODE_SHORTCUTS_2;
5243
5244   DrawSetupScreen();
5245 }
5246
5247 static void execSetupShortcuts3()
5248 {
5249   setup_mode = SETUP_MODE_SHORTCUTS_3;
5250
5251   DrawSetupScreen();
5252 }
5253
5254 static void execSetupShortcuts4()
5255 {
5256   setup_mode = SETUP_MODE_SHORTCUTS_4;
5257
5258   DrawSetupScreen();
5259 }
5260
5261 static void execSetupShortcuts5()
5262 {
5263   setup_mode = SETUP_MODE_SHORTCUTS_5;
5264
5265   DrawSetupScreen();
5266 }
5267
5268 static void execExitSetup()
5269 {
5270   SetGameStatus(GAME_MODE_MAIN);
5271
5272   DrawMainMenu();
5273 }
5274
5275 static void execSaveAndExitSetup()
5276 {
5277   SaveSetup();
5278   execExitSetup();
5279 }
5280
5281 static struct TokenInfo setup_info_main[] =
5282 {
5283   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5284   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5285   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5286   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5287   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5288 #if !defined(PLATFORM_ANDROID)
5289   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5290   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5291 #else
5292   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5293 #endif
5294   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5295   { TYPE_EMPTY,         NULL,                   ""                      },
5296   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5297   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5298
5299   { 0,                  NULL,                   NULL                    }
5300 };
5301
5302 static struct TokenInfo setup_info_game[] =
5303 {
5304   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5305   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5306   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5307   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5308   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5309   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5310   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5311   { TYPE_STRING,        &game_speed_text,       ""                      },
5312 #if 1
5313   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5314   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5315 #endif
5316   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5317   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5318   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5319   { TYPE_EMPTY,         NULL,                   ""                      },
5320   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5321
5322   { 0,                  NULL,                   NULL                    }
5323 };
5324
5325 static struct TokenInfo setup_info_editor[] =
5326 {
5327 #if 0
5328   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5329   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5330   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5331   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5332   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5333   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5334   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5335   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5336 #endif
5337   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5338   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5339   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5340 #if 0
5341   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5342 #endif
5343   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5344   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5345   { TYPE_EMPTY,         NULL,                   ""                      },
5346 #if 0
5347   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5348   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5349   { TYPE_EMPTY,         NULL,                   ""                      },
5350 #endif
5351   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5352   { TYPE_EMPTY,         NULL,                   ""                      },
5353   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5354
5355   { 0,                  NULL,                   NULL                    }
5356 };
5357
5358 static struct TokenInfo setup_info_graphics[] =
5359 {
5360 #if !defined(PLATFORM_ANDROID)
5361   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5362 #if defined(TARGET_SDL2)
5363   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5364   { TYPE_STRING,        &window_size_text,      ""                      },
5365   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5366   { TYPE_STRING,        &scaling_type_text,     ""                      },
5367 #else
5368   { TYPE_ENTER_LIST,    execSetupChooseScreenMode, "Fullscreen Mode:"   },
5369   { TYPE_STRING,        &screen_mode_text,      ""                      },
5370 #endif
5371 #endif
5372 #if 0
5373   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5374   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5375 #endif
5376   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5377   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5378   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5379   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5380   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5381   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5382   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5383   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5384   { TYPE_EMPTY,         NULL,                   ""                      },
5385   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5386
5387   { 0,                  NULL,                   NULL                    }
5388 };
5389
5390 static struct TokenInfo setup_info_sound[] =
5391 {
5392   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5393   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5394   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5395   { TYPE_EMPTY,         NULL,                   ""                      },
5396   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5397   { TYPE_STRING,        &volume_simple_text,    ""                      },
5398   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5399   { TYPE_STRING,        &volume_loops_text,     ""                      },
5400   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5401   { TYPE_STRING,        &volume_music_text,     ""                      },
5402   { TYPE_EMPTY,         NULL,                   ""                      },
5403   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5404
5405   { 0,                  NULL,                   NULL                    }
5406 };
5407
5408 static struct TokenInfo setup_info_artwork[] =
5409 {
5410   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5411   { TYPE_STRING,        &graphics_set_name,     ""                      },
5412   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5413   { TYPE_STRING,        &sounds_set_name,       ""                      },
5414   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5415   { TYPE_STRING,        &music_set_name,        ""                      },
5416   { TYPE_EMPTY,         NULL,                   ""                      },
5417   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5418   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5419   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5420   { TYPE_EMPTY,         NULL,                   ""                      },
5421   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5422
5423   { 0,                  NULL,                   NULL                    }
5424 };
5425
5426 static struct TokenInfo setup_info_input[] =
5427 {
5428   { TYPE_SWITCH,        NULL,                   "Player:"               },
5429   { TYPE_SWITCH,        NULL,                   "Device:"               },
5430   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5431   { TYPE_EMPTY,         NULL,                   ""                      },
5432   { TYPE_EMPTY,         NULL,                   ""                      },
5433   { TYPE_EMPTY,         NULL,                   ""                      },
5434   { TYPE_EMPTY,         NULL,                   ""                      },
5435   { TYPE_EMPTY,         NULL,                   ""                      },
5436   { TYPE_EMPTY,         NULL,                   ""                      },
5437   { TYPE_EMPTY,         NULL,                   ""                      },
5438   { TYPE_EMPTY,         NULL,                   ""                      },
5439   { TYPE_EMPTY,         NULL,                   ""                      },
5440   { TYPE_EMPTY,         NULL,                   ""                      },
5441   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5442
5443   { 0,                  NULL,                   NULL                    }
5444 };
5445
5446 static struct TokenInfo setup_info_touch[] =
5447 {
5448   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5449   { TYPE_STRING,        &touch_controls_text,   ""                      },
5450   { TYPE_EMPTY,         NULL,                   ""                      },
5451   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5452   { TYPE_STRING,        &move_distance_text,    ""                      },
5453   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5454   { TYPE_STRING,        &drop_distance_text,    ""                      },
5455   { TYPE_EMPTY,         NULL,                   ""                      },
5456   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5457
5458   { 0,                  NULL,                   NULL                    }
5459 };
5460
5461 static struct TokenInfo setup_info_shortcuts[] =
5462 {
5463   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5464   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5465   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5466   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5467   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5468   { TYPE_EMPTY,         NULL,                   ""                      },
5469   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5470
5471   { 0,                  NULL,                   NULL                    }
5472 };
5473
5474 static struct TokenInfo setup_info_shortcuts_1[] =
5475 {
5476   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5477   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5478   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5479   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5480   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5481   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5482   { TYPE_EMPTY,         NULL,                   ""                      },
5483   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5484   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5485   { TYPE_EMPTY,         NULL,                   ""                      },
5486   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5487
5488   { 0,                  NULL,                   NULL                    }
5489 };
5490
5491 static struct TokenInfo setup_info_shortcuts_2[] =
5492 {
5493   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5494   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5495   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5496   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5497   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5498   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5499   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5500   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5501   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5502   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5503   { TYPE_EMPTY,         NULL,                   ""                      },
5504   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5505
5506   { 0,                  NULL,                   NULL                    }
5507 };
5508
5509 static struct TokenInfo setup_info_shortcuts_3[] =
5510 {
5511   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5512   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5513   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5514   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5515   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5516   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5517   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5518   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5519   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5520   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5521   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5522   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5523   { TYPE_EMPTY,         NULL,                   ""                      },
5524   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5525
5526   { 0,                  NULL,                   NULL                    }
5527 };
5528
5529 static struct TokenInfo setup_info_shortcuts_4[] =
5530 {
5531   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5532   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5533   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5534   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5535   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5536   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5537   { TYPE_EMPTY,         NULL,                   ""                      },
5538   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5539
5540   { 0,                  NULL,                   NULL                    }
5541 };
5542
5543 static struct TokenInfo setup_info_shortcuts_5[] =
5544 {
5545   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5546   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5547   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5548   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5549   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5550   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5551   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5552   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5553   { TYPE_EMPTY,         NULL,                   ""                      },
5554   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5555
5556   { 0,                  NULL,                   NULL                    }
5557 };
5558
5559 static Key getSetupKey()
5560 {
5561   Key key = KSYM_UNDEFINED;
5562   boolean got_key_event = FALSE;
5563
5564   while (!got_key_event)
5565   {
5566     if (PendingEvent())         /* got event */
5567     {
5568       Event event;
5569
5570       NextEvent(&event);
5571
5572       switch (event.type)
5573       {
5574         case EVENT_KEYPRESS:
5575           {
5576             key = GetEventKey((KeyEvent *)&event, TRUE);
5577
5578             /* press 'Escape' or 'Enter' to keep the existing key binding */
5579             if (key == KSYM_Escape || key == KSYM_Return)
5580               key = KSYM_UNDEFINED;     /* keep old value */
5581
5582             got_key_event = TRUE;
5583           }
5584           break;
5585
5586         case EVENT_KEYRELEASE:
5587           key_joystick_mapping = 0;
5588           break;
5589
5590         default:
5591           HandleOtherEvents(&event);
5592           break;
5593       }
5594     }
5595
5596     DoAnimation();
5597     BackToFront();
5598
5599     WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
5600   }
5601
5602   return key;
5603 }
5604
5605 static int getSetupValueFont(int type, void *value)
5606 {
5607   if (type & TYPE_KEY)
5608     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5609   else if (type & TYPE_STRING)
5610     return FONT_VALUE_2;
5611   else if (type & TYPE_ECS_AGA)
5612     return FONT_VALUE_1;
5613   else if (type & TYPE_BOOLEAN_STYLE)
5614     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5615   else if (type & TYPE_YES_NO_AUTO)
5616     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5617             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5618   else
5619     return FONT_VALUE_1;
5620 }
5621
5622 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5623 {
5624   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5625   struct TokenInfo *si = &setup_info[si_pos];
5626   boolean font_draw_xoffset_modified = FALSE;
5627   int font_draw_xoffset_old = -1;
5628   int xoffset = (num_setup_info < max_setup_info ? -1 : 0);
5629   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5630   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5631   int xpos = menu_screen_value_xpos;
5632   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5633   int startx = mSX + xpos * 32;
5634   int starty = mSY + ypos * 32;
5635   int font_nr, font_width;
5636   int type = si->type;
5637   void *value = si->value;
5638   char *value_string = getSetupValue(type, value);
5639   int i;
5640
5641   if (value_string == NULL)
5642     return;
5643
5644   if (type & TYPE_KEY)
5645   {
5646     xpos = MENU_SCREEN_START_XPOS;
5647
5648     if (type & TYPE_QUERY)
5649       value_string = "<press key>";
5650   }
5651   else if (type & TYPE_STRING)
5652   {
5653     int max_value_len = (SCR_FIELDX - 2) * 2;
5654
5655     xpos = MENU_SCREEN_START_XPOS;
5656
5657     if (strlen(value_string) > max_value_len)
5658       value_string[max_value_len] = '\0';
5659   }
5660   else if (type & TYPE_YES_NO_AUTO)
5661   {
5662     xpos = menu_screen_value_xpos - 1;
5663   }
5664
5665   startx = mSX + xpos * 32;
5666   starty = mSY + ypos * 32;
5667   font_nr = getSetupValueFont(type, value);
5668   font_width = getFontWidth(font_nr);
5669
5670   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5671   if (setup_mode != SETUP_MODE_INPUT)
5672   {
5673     int max_menu_text_length_big = (menu_screen_value_xpos -
5674                                     MENU_SCREEN_START_XPOS);
5675     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5676     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5677     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5678     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5679     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5680     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5681     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5682     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5683     boolean correct_font_draw_xoffset = FALSE;
5684
5685     if (xpos == MENU_SCREEN_START_XPOS &&
5686         startx + font1_xoffset < text_startx + text_font_xoffset)
5687       correct_font_draw_xoffset = TRUE;
5688
5689     if (xpos == menu_screen_value_xpos &&
5690         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5691       correct_font_draw_xoffset = TRUE;
5692
5693     /* check if setup value would overlap with setup text when printed */
5694     /* (this can happen for extreme/wrong values for font draw offset) */
5695     if (correct_font_draw_xoffset)
5696     {
5697       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5698       font_draw_xoffset_modified = TRUE;
5699
5700       if (type & TYPE_KEY)
5701         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5702       else if (!(type & TYPE_STRING))
5703         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5704           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5705     }
5706   }
5707
5708   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5709     DrawText(startx + i * font_width, starty, " ", font_nr);
5710
5711   DrawText(startx, starty, value_string, font_nr);
5712
5713   if (font_draw_xoffset_modified)
5714     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5715 }
5716
5717 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5718 {
5719   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5720   struct TokenInfo *si = &setup_info[si_pos];
5721
5722   if (si->type & TYPE_BOOLEAN_STYLE)
5723   {
5724     *(boolean *)si->value ^= TRUE;
5725   }
5726   else if (si->type & TYPE_YES_NO_AUTO)
5727   {
5728     *(int *)si->value =
5729       (dx == -1 ?
5730        (*(int *)si->value == AUTO ? TRUE :
5731         *(int *)si->value == TRUE ? FALSE : AUTO) :
5732        (*(int *)si->value == TRUE ? AUTO :
5733         *(int *)si->value == AUTO ? FALSE : TRUE));
5734   }
5735   else if (si->type & TYPE_KEY)
5736   {
5737     Key key;
5738
5739     si->type |= TYPE_QUERY;
5740     drawSetupValue(screen_pos, setup_info_pos_raw);
5741     si->type &= ~TYPE_QUERY;
5742
5743     key = getSetupKey();
5744     if (key != KSYM_UNDEFINED)
5745       *(Key *)si->value = key;
5746   }
5747
5748   drawSetupValue(screen_pos, setup_info_pos_raw);
5749
5750   // fullscreen state may have changed at this point
5751   if (si->value == &setup.fullscreen)
5752     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5753 }
5754
5755 static void DrawSetupScreen_Generic()
5756 {
5757   int fade_mask = REDRAW_FIELD;
5758   boolean redraw_all = FALSE;
5759   char *title_string = NULL;
5760   int i;
5761
5762   if (CheckIfGlobalBorderHasChanged())
5763     fade_mask = REDRAW_ALL;
5764
5765   UnmapAllGadgets();
5766
5767   FreeScreenGadgets();
5768   CreateScreenGadgets();
5769
5770   if (redraw_mask & REDRAW_ALL)
5771     redraw_all = TRUE;
5772
5773   FadeOut(fade_mask);
5774
5775   ClearField();
5776
5777   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5778
5779   if (setup_mode == SETUP_MODE_MAIN)
5780   {
5781     setup_info = setup_info_main;
5782     title_string = "Setup";
5783   }
5784   else if (setup_mode == SETUP_MODE_GAME)
5785   {
5786     setup_info = setup_info_game;
5787     title_string = "Setup Game";
5788   }
5789   else if (setup_mode == SETUP_MODE_EDITOR)
5790   {
5791     setup_info = setup_info_editor;
5792     title_string = "Setup Editor";
5793   }
5794   else if (setup_mode == SETUP_MODE_GRAPHICS)
5795   {
5796     setup_info = setup_info_graphics;
5797     title_string = "Setup Graphics";
5798   }
5799   else if (setup_mode == SETUP_MODE_SOUND)
5800   {
5801     setup_info = setup_info_sound;
5802     title_string = "Setup Sound";
5803   }
5804   else if (setup_mode == SETUP_MODE_ARTWORK)
5805   {
5806     setup_info = setup_info_artwork;
5807     title_string = "Custom Artwork";
5808   }
5809   else if (setup_mode == SETUP_MODE_TOUCH)
5810   {
5811     setup_info = setup_info_touch;
5812     title_string = "Setup Touch Ctrls";
5813   }
5814   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5815   {
5816     setup_info = setup_info_shortcuts;
5817     title_string = "Setup Shortcuts";
5818   }
5819   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5820   {
5821     setup_info = setup_info_shortcuts_1;
5822     title_string = "Setup Shortcuts";
5823   }
5824   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5825   {
5826     setup_info = setup_info_shortcuts_2;
5827     title_string = "Setup Shortcuts";
5828   }
5829   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5830   {
5831     setup_info = setup_info_shortcuts_3;
5832     title_string = "Setup Shortcuts";
5833   }
5834   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5835   {
5836     setup_info = setup_info_shortcuts_4;
5837     title_string = "Setup Shortcuts";
5838   }
5839   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5840   {
5841     setup_info = setup_info_shortcuts_5;
5842     title_string = "Setup Shortcuts";
5843   }
5844
5845   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5846
5847   // determine maximal number of setup entries that can be displayed on screen
5848   num_setup_info = 0;
5849   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5850     num_setup_info++;
5851
5852   // determine maximal number of setup entries available for this setup screen
5853   max_setup_info = 0;
5854   for (i = 0; setup_info[i].type != 0; i++)
5855     max_setup_info++;
5856
5857   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5858
5859   MapScreenGadgets(max_setup_info);
5860
5861   if (redraw_all)
5862     redraw_mask = fade_mask = REDRAW_ALL;
5863
5864   DrawMaskedBorder(fade_mask);
5865
5866   FadeIn(fade_mask);
5867
5868   InitAnimation();
5869 }
5870
5871 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5872 {
5873   menu_info = setup_info;
5874
5875   HandleMenuScreen(mx, my, dx, dy, button,
5876                    setup_mode, num_setup_info, max_setup_info);
5877 }
5878
5879 void DrawSetupScreen_Input()
5880 {
5881   int i;
5882
5883   FadeOut(REDRAW_FIELD);
5884
5885   ClearField();
5886
5887   setup_info = setup_info_input;
5888
5889   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5890
5891   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5892                     "Joysticks deactivated on this screen");
5893
5894   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5895   {
5896     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5897       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5898     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5899       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5900     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5901       initCursor(i, IMG_MENU_BUTTON);
5902
5903     DrawCursorAndText_Setup(i, -1, FALSE);
5904   }
5905
5906   /* create gadgets for setup input menu screen */
5907   FreeScreenGadgets();
5908   CreateScreenGadgets();
5909
5910   /* map gadgets for setup input menu screen */
5911   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5912
5913   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5914
5915   FadeIn(REDRAW_FIELD);
5916
5917   InitAnimation();
5918 }
5919
5920 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5921 {
5922   if (device_name == NULL)
5923     return;
5924
5925   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5926     device_nr = 0;
5927
5928   if (strlen(device_name) > 1)
5929   {
5930     char c1 = device_name[strlen(device_name) - 1];
5931     char c2 = device_name[strlen(device_name) - 2];
5932
5933     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5934       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5935   }
5936   else
5937     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5938             strlen(device_name));
5939 }
5940
5941 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5942 {
5943   int i;
5944   static struct SetupKeyboardInfo custom_key;
5945   static struct
5946   {
5947     Key *key;
5948     char *text;
5949   } custom[] =
5950   {
5951     { &custom_key.left,  "Joystick Left"  },
5952     { &custom_key.right, "Joystick Right" },
5953     { &custom_key.up,    "Joystick Up"    },
5954     { &custom_key.down,  "Joystick Down"  },
5955     { &custom_key.snap,  "Button 1"       },
5956     { &custom_key.drop,  "Button 2"       }
5957   };
5958   static char *joystick_name[MAX_PLAYERS] =
5959   {
5960     "Joystick1",
5961     "Joystick2",
5962     "Joystick3",
5963     "Joystick4"
5964   };
5965   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5966
5967   InitJoysticks();
5968
5969   custom_key = setup.input[player_nr].key;
5970
5971   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5972            FONT_INPUT_1_ACTIVE);
5973
5974   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5975                              TILEX, TILEY);
5976   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5977                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5978
5979   if (setup.input[player_nr].use_joystick)
5980   {
5981     char *device_name = setup.input[player_nr].joy.device_name;
5982     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
5983     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
5984
5985     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
5986     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
5987   }
5988   else
5989   {
5990     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
5991     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
5992   }
5993
5994   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
5995
5996   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
5997   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
5998   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
5999   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6000
6001   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6002   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6003   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6004   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6005   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6006   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6007
6008   for (i = 0; i < 6; i++)
6009   {
6010     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6011
6012     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6013              "              ", FONT_VALUE_1);
6014     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6015              (setup.input[player_nr].use_joystick ?
6016               custom[i].text :
6017               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6018   }
6019 }
6020
6021 static int input_player_nr = 0;
6022
6023 void HandleSetupScreen_Input_Player(int step, int direction)
6024 {
6025   int old_player_nr = input_player_nr;
6026   int new_player_nr;
6027
6028   new_player_nr = old_player_nr + step * direction;
6029   if (new_player_nr < 0)
6030     new_player_nr = 0;
6031   if (new_player_nr > MAX_PLAYERS - 1)
6032     new_player_nr = MAX_PLAYERS - 1;
6033
6034   if (new_player_nr != old_player_nr)
6035   {
6036     input_player_nr = new_player_nr;
6037
6038     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6039   }
6040 }
6041
6042 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6043 {
6044   static int choice = 0;
6045   int x = 0;
6046   int y = choice;
6047   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6048   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6049   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6050   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6051
6052   if (button == MB_MENU_INITIALIZE)
6053   {
6054     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6055
6056     DrawCursorAndText_Setup(choice, -1, TRUE);
6057
6058     return;
6059   }
6060   else if (button == MB_MENU_LEAVE)
6061   {
6062     setup_mode = SETUP_MODE_MAIN;
6063     DrawSetupScreen();
6064     InitJoysticks();
6065
6066     return;
6067   }
6068
6069   if (mx || my)         /* mouse input */
6070   {
6071     x = (mx - mSX) / 32;
6072     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6073   }
6074   else if (dx || dy)    /* keyboard input */
6075   {
6076     if (dx && choice == 0)
6077       x = (dx < 0 ? 10 : 12);
6078     else if ((dx && choice == 1) ||
6079              (dx == +1 && choice == 2) ||
6080              (dx == -1 && choice == pos_end))
6081       button = MB_MENU_CHOICE;
6082     else if (dy)
6083       y = choice + dy;
6084
6085     if (y >= pos_empty1 && y <= pos_empty2)
6086       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6087   }
6088
6089   if (y == 0 && dx != 0 && button)
6090   {
6091     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6092   }
6093   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6094            y >= pos_start && y <= pos_end &&
6095            !(y >= pos_empty1 && y <= pos_empty2))
6096   {
6097     if (button)
6098     {
6099       if (y != choice)
6100       {
6101         DrawCursorAndText_Setup(choice, -1, FALSE);
6102         DrawCursorAndText_Setup(y, -1, TRUE);
6103
6104         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6105
6106         choice = y;
6107       }
6108     }
6109     else
6110     {
6111       if (y == 1)
6112       {
6113         char *device_name = setup.input[input_player_nr].joy.device_name;
6114
6115         if (!setup.input[input_player_nr].use_joystick)
6116         {
6117           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6118
6119           setJoystickDeviceToNr(device_name, new_device_nr);
6120           setup.input[input_player_nr].use_joystick = TRUE;
6121         }
6122         else
6123         {
6124           int device_nr = getJoystickNrFromDeviceName(device_name);
6125           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6126
6127           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6128             setup.input[input_player_nr].use_joystick = FALSE;
6129           else
6130             setJoystickDeviceToNr(device_name, new_device_nr);
6131         }
6132
6133         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6134       }
6135       else if (y == 2)
6136       {
6137         if (setup.input[input_player_nr].use_joystick)
6138         {
6139           InitJoysticks();
6140           CalibrateJoystick(input_player_nr);
6141         }
6142         else
6143           CustomizeKeyboard(input_player_nr);
6144       }
6145       else if (y == pos_end)
6146       {
6147         InitJoysticks();
6148
6149         FadeSetLeaveMenu();
6150
6151         setup_mode = SETUP_MODE_MAIN;
6152         DrawSetupScreen();
6153       }
6154     }
6155   }
6156 }
6157
6158 void CustomizeKeyboard(int player_nr)
6159 {
6160   int i;
6161   int step_nr;
6162   boolean finished = FALSE;
6163   static struct SetupKeyboardInfo custom_key;
6164   static struct
6165   {
6166     Key *key;
6167     char *text;
6168   } customize_step[] =
6169   {
6170     { &custom_key.left,  "Move Left"    },
6171     { &custom_key.right, "Move Right"   },
6172     { &custom_key.up,    "Move Up"      },
6173     { &custom_key.down,  "Move Down"    },
6174     { &custom_key.snap,  "Snap Field"   },
6175     { &custom_key.drop,  "Drop Element" }
6176   };
6177
6178   /* read existing key bindings from player setup */
6179   custom_key = setup.input[player_nr].key;
6180
6181   FadeSetEnterMenu();
6182   FadeOut(REDRAW_FIELD);
6183
6184   ClearField();
6185
6186   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6187
6188   step_nr = 0;
6189   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6190            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6191   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6192            "Key:", FONT_INPUT_1_ACTIVE);
6193   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6194            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6195
6196   FadeIn(REDRAW_FIELD);
6197
6198   InitAnimation();
6199
6200   while (!finished)
6201   {
6202     if (PendingEvent())         /* got event */
6203     {
6204       Event event;
6205
6206       NextEvent(&event);
6207
6208       switch (event.type)
6209       {
6210         case EVENT_KEYPRESS:
6211           {
6212             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6213
6214             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6215             {
6216               if (key == KSYM_Escape)
6217                 FadeSkipNextFadeIn();
6218
6219               finished = TRUE;
6220               break;
6221             }
6222
6223             /* all keys configured -- wait for "Escape" or "Return" key */
6224             if (step_nr == 6)
6225               break;
6226
6227             /* press 'Enter' to keep the existing key binding */
6228             if (key == KSYM_Return)
6229               key = *customize_step[step_nr].key;
6230
6231             /* check if key already used */
6232             for (i = 0; i < step_nr; i++)
6233               if (*customize_step[i].key == key)
6234                 break;
6235             if (i < step_nr)
6236               break;
6237
6238             /* got new key binding */
6239             *customize_step[step_nr].key = key;
6240             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6241                      "             ", FONT_VALUE_1);
6242             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6243                      getKeyNameFromKey(key), FONT_VALUE_1);
6244             step_nr++;
6245
6246             /* un-highlight last query */
6247             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6248                      customize_step[step_nr - 1].text, FONT_MENU_1);
6249             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6250                      "Key:", FONT_MENU_1);
6251
6252             /* press 'Enter' to leave */
6253             if (step_nr == 6)
6254             {
6255               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6256                        "Press Enter", FONT_TITLE_1);
6257               break;
6258             }
6259
6260             /* query next key binding */
6261             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6262                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6263             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6264                      "Key:", FONT_INPUT_1_ACTIVE);
6265             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6266                      getKeyNameFromKey(*customize_step[step_nr].key),
6267                      FONT_VALUE_OLD);
6268           }
6269           break;
6270
6271         case EVENT_KEYRELEASE:
6272           key_joystick_mapping = 0;
6273           break;
6274
6275         default:
6276           HandleOtherEvents(&event);
6277           break;
6278       }
6279     }
6280
6281     DoAnimation();
6282     BackToFront();
6283
6284     WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
6285   }
6286
6287   /* write new key bindings back to player setup */
6288   setup.input[player_nr].key = custom_key;
6289
6290   StopAnimation();
6291   DrawSetupScreen_Input();
6292 }
6293
6294 static boolean CalibrateJoystickMain(int player_nr)
6295 {
6296   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6297   int new_joystick_xright = JOYSTICK_XMIDDLE;
6298   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6299   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6300   int new_joystick_xmiddle, new_joystick_ymiddle;
6301
6302   int joystick_fd = joystick.fd[player_nr];
6303   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6304   boolean check[3][3];
6305   int check_remaining = 3 * 3;
6306   int joy_x, joy_y;
6307   int joy_value;
6308   int result = -1;
6309
6310   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6311     return FALSE;
6312
6313   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6314     return FALSE;
6315
6316   FadeSetEnterMenu();
6317   FadeOut(REDRAW_FIELD);
6318
6319   ClearField();
6320
6321   for (y = 0; y < 3; y++)
6322   {
6323     for (x = 0; x < 3; x++)
6324     {
6325       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6326       check[x][y] = FALSE;
6327     }
6328   }
6329
6330   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6331   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6332   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6333   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6334   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6335   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6336   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6337
6338   joy_value = Joystick(player_nr);
6339   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6340   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6341
6342   /* eventually uncalibrated center position (joystick could be uncentered) */
6343   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6344     return FALSE;
6345
6346   new_joystick_xmiddle = joy_x;
6347   new_joystick_ymiddle = joy_y;
6348
6349   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6350
6351   FadeIn(REDRAW_FIELD);
6352
6353   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6354   InitAnimation();
6355
6356   while (result < 0)
6357   {
6358     if (PendingEvent())         /* got event */
6359     {
6360       Event event;
6361
6362       NextEvent(&event);
6363
6364       switch (event.type)
6365       {
6366         case EVENT_KEYPRESS:
6367           switch (GetEventKey((KeyEvent *)&event, TRUE))
6368           {
6369             case KSYM_Return:
6370               if (check_remaining == 0)
6371                 result = 1;
6372               break;
6373
6374             case KSYM_Escape:
6375               FadeSkipNextFadeIn();
6376               result = 0;
6377               break;
6378
6379             default:
6380               break;
6381           }
6382           break;
6383
6384         case EVENT_KEYRELEASE:
6385           key_joystick_mapping = 0;
6386           break;
6387
6388         default:
6389           HandleOtherEvents(&event);
6390           break;
6391       }
6392     }
6393
6394     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6395       return FALSE;
6396
6397     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6398     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6399     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6400     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6401
6402     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6403     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6404     setup.input[player_nr].joy.xright = new_joystick_xright;
6405     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6406     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6407     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6408
6409     CheckJoystickData();
6410
6411     joy_value = Joystick(player_nr);
6412
6413     if (joy_value & JOY_BUTTON && check_remaining == 0)
6414       result = 1;
6415
6416     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6417     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6418
6419     if (x != last_x || y != last_y)
6420     {
6421       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6422                        IMG_MENU_CALIBRATE_YELLOW, 0);
6423       DrawFixedGraphic(xpos + x,      ypos + y,
6424                        IMG_MENU_CALIBRATE_RED,    0);
6425
6426       last_x = x;
6427       last_y = y;
6428
6429       if (check_remaining > 0 && !check[x+1][y+1])
6430       {
6431         check[x+1][y+1] = TRUE;
6432         check_remaining--;
6433       }
6434     }
6435
6436     DoAnimation();
6437     BackToFront();
6438
6439     WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
6440   }
6441
6442   /* calibrated center position (joystick should now be centered) */
6443   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6444     return FALSE;
6445
6446   new_joystick_xmiddle = joy_x;
6447   new_joystick_ymiddle = joy_y;
6448
6449   StopAnimation();
6450
6451   /* wait until the last pressed button was released */
6452   while (Joystick(player_nr) & JOY_BUTTON)
6453   {
6454     if (PendingEvent())         /* got event */
6455     {
6456       Event event;
6457
6458       NextEvent(&event);
6459       HandleOtherEvents(&event);
6460
6461       WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
6462     }
6463   }
6464
6465   return TRUE;
6466 }
6467
6468 void CalibrateJoystick(int player_nr)
6469 {
6470   if (!CalibrateJoystickMain(player_nr))
6471   {
6472     char *device_name = setup.input[player_nr].joy.device_name;
6473     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6474     int xpos = mSX - SX;
6475     int ypos = mSY - SY;
6476
6477     ClearField();
6478
6479     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6480     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6481     BackToFront();
6482
6483     Delay(2000);                /* show error message for a short time */
6484
6485     ClearEventQueue();
6486   }
6487
6488   DrawSetupScreen_Input();
6489 }
6490
6491 void DrawSetupScreen()
6492 {
6493   DeactivateJoystick();
6494
6495   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6496
6497   if (setup_mode == SETUP_MODE_INPUT)
6498     DrawSetupScreen_Input();
6499   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6500     DrawChooseTree(&game_speed_current);
6501   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6502     DrawChooseTree(&scroll_delay_current);
6503   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6504     DrawChooseTree(&snapshot_mode_current);
6505   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6506     DrawChooseTree(&screen_mode_current);
6507   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6508     DrawChooseTree(&window_size_current);
6509   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6510     DrawChooseTree(&scaling_type_current);
6511   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6512     DrawChooseTree(&artwork.gfx_current);
6513   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6514     DrawChooseTree(&artwork.snd_current);
6515   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6516     DrawChooseTree(&artwork.mus_current);
6517   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6518     DrawChooseTree(&volume_simple_current);
6519   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6520     DrawChooseTree(&volume_loops_current);
6521   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6522     DrawChooseTree(&volume_music_current);
6523   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6524     DrawChooseTree(&touch_control_current);
6525   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6526     DrawChooseTree(&move_distance_current);
6527   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6528     DrawChooseTree(&drop_distance_current);
6529   else
6530     DrawSetupScreen_Generic();
6531
6532   PlayMenuSound();
6533   PlayMenuMusic();
6534 }
6535
6536 void RedrawSetupScreenAfterFullscreenToggle()
6537 {
6538   if (setup_mode == SETUP_MODE_GRAPHICS ||
6539       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6540   {
6541     // update list selection from "setup.window_scaling_percent"
6542     execSetupGraphics_setWindowSizes(TRUE);
6543
6544     DrawSetupScreen();
6545   }
6546 }
6547
6548 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6549 {
6550   if (setup_mode == SETUP_MODE_INPUT)
6551     HandleSetupScreen_Input(mx, my, dx, dy, button);
6552   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6553     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6554   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6555     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6556   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6557     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6558   else if (setup_mode == SETUP_MODE_CHOOSE_SCREEN_MODE)
6559     HandleChooseTree(mx, my, dx, dy, button, &screen_mode_current);
6560   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6561     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6562   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6563     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6564   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6565     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6566   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6567     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6568   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6569     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6570   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6571     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6572   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6573     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6574   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6575     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6576   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6577     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6578   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6579     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6580   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6581     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6582   else
6583     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6584 }
6585
6586 void HandleGameActions()
6587 {
6588   if (game_status != GAME_MODE_PLAYING)
6589     return;
6590
6591   GameActions();        /* main game loop */
6592
6593   if (tape.auto_play && !tape.playing)
6594     AutoPlayTape();     /* continue automatically playing next tape */
6595 }
6596
6597
6598 /* ---------- new screen button stuff -------------------------------------- */
6599
6600 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6601 {
6602   switch (gadget_id)
6603   {
6604     case SCREEN_CTRL_ID_PREV_LEVEL:
6605       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6606       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6607       break;
6608
6609     case SCREEN_CTRL_ID_NEXT_LEVEL:
6610       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6611       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6612       break;
6613
6614     case SCREEN_CTRL_ID_PREV_PLAYER:
6615       *x = mSX + TILEX * 10;
6616       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6617       break;
6618
6619     case SCREEN_CTRL_ID_NEXT_PLAYER:
6620       *x = mSX + TILEX * 12;
6621       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6622       break;
6623
6624     default:
6625       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6626   }
6627 }
6628
6629 static struct
6630 {
6631   int gfx_unpressed, gfx_pressed;
6632   void (*get_gadget_position)(int *, int *, int);
6633   int gadget_id;
6634   int screen_mask;
6635   char *infotext;
6636 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6637 {
6638   {
6639     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6640     getScreenMenuButtonPos,
6641     SCREEN_CTRL_ID_PREV_LEVEL,
6642     SCREEN_MASK_MAIN,
6643     "last level"
6644   },
6645   {
6646     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6647     getScreenMenuButtonPos,
6648     SCREEN_CTRL_ID_NEXT_LEVEL,
6649     SCREEN_MASK_MAIN,
6650     "next level"
6651   },
6652   {
6653     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6654     getScreenMenuButtonPos,
6655     SCREEN_CTRL_ID_PREV_PLAYER,
6656     SCREEN_MASK_INPUT,
6657     "last player"
6658   },
6659   {
6660     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6661     getScreenMenuButtonPos,
6662     SCREEN_CTRL_ID_NEXT_PLAYER,
6663     SCREEN_MASK_INPUT,
6664     "next player"
6665   },
6666 };
6667
6668 static struct
6669 {
6670   int gfx_unpressed, gfx_pressed;
6671   int x, y;
6672   int gadget_id;
6673   char *infotext;
6674 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6675 {
6676   {
6677     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6678     -1, -1,     /* these values are not constant, but can change at runtime */
6679     SCREEN_CTRL_ID_SCROLL_UP,
6680     "scroll up"
6681   },
6682   {
6683     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6684     -1, -1,     /* these values are not constant, but can change at runtime */
6685     SCREEN_CTRL_ID_SCROLL_DOWN,
6686     "scroll down"
6687   }
6688 };
6689
6690 static struct
6691 {
6692   int gfx_unpressed, gfx_pressed;
6693   int x, y;
6694   int width, height;
6695   int type;
6696   int gadget_id;
6697   char *infotext;
6698 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6699 {
6700   {
6701     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6702     -1, -1,     /* these values are not constant, but can change at runtime */
6703     -1, -1,     /* these values are not constant, but can change at runtime */
6704     GD_TYPE_SCROLLBAR_VERTICAL,
6705     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6706     "scroll level series vertically"
6707   }
6708 };
6709
6710 static void CreateScreenMenubuttons()
6711 {
6712   struct GadgetInfo *gi;
6713   unsigned int event_mask;
6714   int i;
6715
6716   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6717   {
6718     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6719     int gfx_unpressed, gfx_pressed;
6720     int x, y, width, height;
6721     int gd_x1, gd_x2, gd_y1, gd_y2;
6722     int id = menubutton_info[i].gadget_id;
6723
6724     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6725
6726     menubutton_info[i].get_gadget_position(&x, &y, id);
6727
6728     width = SC_MENUBUTTON_XSIZE;
6729     height = SC_MENUBUTTON_YSIZE;
6730
6731     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6732     gfx_pressed   = menubutton_info[i].gfx_pressed;
6733     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6734     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6735     gd_x1 = graphic_info[gfx_unpressed].src_x;
6736     gd_y1 = graphic_info[gfx_unpressed].src_y;
6737     gd_x2 = graphic_info[gfx_pressed].src_x;
6738     gd_y2 = graphic_info[gfx_pressed].src_y;
6739
6740     gi = CreateGadget(GDI_CUSTOM_ID, id,
6741                       GDI_CUSTOM_TYPE_ID, i,
6742                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6743                       GDI_X, x,
6744                       GDI_Y, y,
6745                       GDI_WIDTH, width,
6746                       GDI_HEIGHT, height,
6747                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6748                       GDI_STATE, GD_BUTTON_UNPRESSED,
6749                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6750                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6751                       GDI_DIRECT_DRAW, FALSE,
6752                       GDI_EVENT_MASK, event_mask,
6753                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6754                       GDI_END);
6755
6756     if (gi == NULL)
6757       Error(ERR_EXIT, "cannot create gadget");
6758
6759     screen_gadget[id] = gi;
6760   }
6761 }
6762
6763 static void CreateScreenScrollbuttons()
6764 {
6765   struct GadgetInfo *gi;
6766   unsigned int event_mask;
6767   int i;
6768
6769   /* these values are not constant, but can change at runtime */
6770   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6771   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6772   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6773   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6774
6775   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6776   {
6777     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6778     int gfx_unpressed, gfx_pressed;
6779     int x, y, width, height;
6780     int gd_x1, gd_x2, gd_y1, gd_y2;
6781     int id = scrollbutton_info[i].gadget_id;
6782
6783     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6784
6785     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6786     y = mSY + scrollbutton_info[i].y;
6787     width = SC_SCROLLBUTTON_XSIZE;
6788     height = SC_SCROLLBUTTON_YSIZE;
6789
6790     /* correct scrollbar position if placed outside menu (playfield) area */
6791     if (x > SX + SC_SCROLL_UP_XPOS)
6792       x = SX + SC_SCROLL_UP_XPOS;
6793
6794     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6795       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6796                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6797
6798     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6799     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6800     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6801     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6802     gd_x1 = graphic_info[gfx_unpressed].src_x;
6803     gd_y1 = graphic_info[gfx_unpressed].src_y;
6804     gd_x2 = graphic_info[gfx_pressed].src_x;
6805     gd_y2 = graphic_info[gfx_pressed].src_y;
6806
6807     gi = CreateGadget(GDI_CUSTOM_ID, id,
6808                       GDI_CUSTOM_TYPE_ID, i,
6809                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6810                       GDI_X, x,
6811                       GDI_Y, y,
6812                       GDI_WIDTH, width,
6813                       GDI_HEIGHT, height,
6814                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6815                       GDI_STATE, GD_BUTTON_UNPRESSED,
6816                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6817                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6818                       GDI_DIRECT_DRAW, FALSE,
6819                       GDI_EVENT_MASK, event_mask,
6820                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6821                       GDI_END);
6822
6823     if (gi == NULL)
6824       Error(ERR_EXIT, "cannot create gadget");
6825
6826     screen_gadget[id] = gi;
6827   }
6828 }
6829
6830 static void CreateScreenScrollbars()
6831 {
6832   int i;
6833
6834   /* these values are not constant, but can change at runtime */
6835   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6836   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6837   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6838   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6839
6840   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6841   {
6842     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6843     int gfx_unpressed, gfx_pressed;
6844     int x, y, width, height;
6845     int gd_x1, gd_x2, gd_y1, gd_y2;
6846     struct GadgetInfo *gi;
6847     int items_max, items_visible, item_position;
6848     unsigned int event_mask;
6849     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6850     int id = scrollbar_info[i].gadget_id;
6851
6852     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6853
6854     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6855     y = mSY + scrollbar_info[i].y;
6856     width  = scrollbar_info[i].width;
6857     height = scrollbar_info[i].height;
6858
6859     /* correct scrollbar position if placed outside menu (playfield) area */
6860     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6861       x = SX + SC_SCROLL_VERTICAL_XPOS;
6862
6863     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6864       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6865
6866     items_max = num_page_entries;
6867     items_visible = num_page_entries;
6868     item_position = 0;
6869
6870     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6871     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6872     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6873     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6874     gd_x1 = graphic_info[gfx_unpressed].src_x;
6875     gd_y1 = graphic_info[gfx_unpressed].src_y;
6876     gd_x2 = graphic_info[gfx_pressed].src_x;
6877     gd_y2 = graphic_info[gfx_pressed].src_y;
6878
6879     gi = CreateGadget(GDI_CUSTOM_ID, id,
6880                       GDI_CUSTOM_TYPE_ID, i,
6881                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6882                       GDI_X, x,
6883                       GDI_Y, y,
6884                       GDI_WIDTH, width,
6885                       GDI_HEIGHT, height,
6886                       GDI_TYPE, scrollbar_info[i].type,
6887                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6888                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6889                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6890                       GDI_WHEEL_AREA_X, SX,
6891                       GDI_WHEEL_AREA_Y, SY,
6892                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6893                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6894                       GDI_STATE, GD_BUTTON_UNPRESSED,
6895                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6896                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6897                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6898                       GDI_DIRECT_DRAW, FALSE,
6899                       GDI_EVENT_MASK, event_mask,
6900                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6901                       GDI_END);
6902
6903     if (gi == NULL)
6904       Error(ERR_EXIT, "cannot create gadget");
6905
6906     screen_gadget[id] = gi;
6907   }
6908 }
6909
6910 void CreateScreenGadgets()
6911 {
6912   int last_game_status = game_status;   /* save current game status */
6913
6914   CreateScreenMenubuttons();
6915
6916   CreateScreenScrollbuttons();
6917   CreateScreenScrollbars();
6918
6919   SetGameStatus(last_game_status);      /* restore current game status */
6920 }
6921
6922 void FreeScreenGadgets()
6923 {
6924   int i;
6925
6926   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6927     FreeGadget(screen_gadget[i]);
6928 }
6929
6930 void MapScreenMenuGadgets(int screen_mask)
6931 {
6932   int i;
6933
6934   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6935     if (screen_mask & menubutton_info[i].screen_mask)
6936       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6937 }
6938
6939 void MapScreenGadgets(int num_entries)
6940 {
6941   int i;
6942
6943   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6944     return;
6945
6946   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6947     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6948
6949   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6950     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6951 }
6952
6953 void MapScreenTreeGadgets(TreeInfo *ti)
6954 {
6955   MapScreenGadgets(numTreeInfoInGroup(ti));
6956 }
6957
6958 static void HandleScreenGadgets(struct GadgetInfo *gi)
6959 {
6960   int id = gi->custom_id;
6961   int button = gi->event.button;
6962   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6963
6964   switch (id)
6965   {
6966     case SCREEN_CTRL_ID_PREV_LEVEL:
6967       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6968       break;
6969
6970     case SCREEN_CTRL_ID_NEXT_LEVEL:
6971       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6972       break;
6973
6974     case SCREEN_CTRL_ID_PREV_PLAYER:
6975       HandleSetupScreen_Input_Player(step, -1);
6976       break;
6977
6978     case SCREEN_CTRL_ID_NEXT_PLAYER:
6979       HandleSetupScreen_Input_Player(step, +1);
6980       break;
6981
6982     case SCREEN_CTRL_ID_SCROLL_UP:
6983       if (game_status == GAME_MODE_LEVELS)
6984         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6985       else if (game_status == GAME_MODE_LEVELNR)
6986         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6987       else if (game_status == GAME_MODE_SETUP)
6988         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6989       else if (game_status == GAME_MODE_INFO)
6990         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6991       break;
6992
6993     case SCREEN_CTRL_ID_SCROLL_DOWN:
6994       if (game_status == GAME_MODE_LEVELS)
6995         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6996       else if (game_status == GAME_MODE_LEVELNR)
6997         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6998       else if (game_status == GAME_MODE_SETUP)
6999         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7000       else if (game_status == GAME_MODE_INFO)
7001         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7002       break;
7003
7004     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7005       if (game_status == GAME_MODE_LEVELS)
7006         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7007       else if (game_status == GAME_MODE_LEVELNR)
7008         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7009       else if (game_status == GAME_MODE_SETUP)
7010         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7011       else if (game_status == GAME_MODE_INFO)
7012         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7013       break;
7014
7015     default:
7016       break;
7017   }
7018 }