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 "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26 /* screens on the info screen */
  27 #define INFO_MODE_MAIN                  0
  28 #define INFO_MODE_TITLE                 1
  29 #define INFO_MODE_ELEMENTS              2
  30 #define INFO_MODE_MUSIC                 3
  31 #define INFO_MODE_CREDITS               4
  32 #define INFO_MODE_PROGRAM               5
  33 #define INFO_MODE_VERSION               6
  34 #define INFO_MODE_LEVELSET              7
  35
  36 #define MAX_INFO_MODES                  8
  37
  38 /* screens on the setup screen */
  39 /* (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h) */
  40 /* (should also match corresponding entries in src/conf_gfx.c) */
  41 #define SETUP_MODE_MAIN                 0
  42 #define SETUP_MODE_GAME                 1
  43 #define SETUP_MODE_EDITOR               2
  44 #define SETUP_MODE_GRAPHICS             3
  45 #define SETUP_MODE_SOUND                4
  46 #define SETUP_MODE_ARTWORK              5
  47 #define SETUP_MODE_INPUT                6
  48 #define SETUP_MODE_TOUCH                7
  49 #define SETUP_MODE_SHORTCUTS            8
  50 #define SETUP_MODE_SHORTCUTS_1          9
  51 #define SETUP_MODE_SHORTCUTS_2          10
  52 #define SETUP_MODE_SHORTCUTS_3          11
  53 #define SETUP_MODE_SHORTCUTS_4          12
  54 #define SETUP_MODE_SHORTCUTS_5          13
  55
  56 /* sub-screens on the setup screen (generic) */
  57 #define SETUP_MODE_CHOOSE_ARTWORK       14
  58 #define SETUP_MODE_CHOOSE_OTHER         15
  59
  60 /* sub-screens on the setup screen (specific) */
  61 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  62 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  63 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
  64 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   19
  65 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
  66 #define SETUP_MODE_CHOOSE_RENDERING     21
  67 #define SETUP_MODE_CHOOSE_GRAPHICS      22
  68 #define SETUP_MODE_CHOOSE_SOUNDS        23
  69 #define SETUP_MODE_CHOOSE_MUSIC         24
  70 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 25
  71 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  26
  72 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  27
  73 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 28
  74 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 29
  75 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 30
  76
  77 #define MAX_SETUP_MODES                 31
  78
  79 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  80
  81 /* for input setup functions */
  82 #define SETUPINPUT_SCREEN_POS_START     0
  83 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  84 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  85 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  86
  87 /* for various menu stuff  */
  88 #define MENU_SCREEN_START_XPOS          1
  89 #define MENU_SCREEN_START_YPOS          2
  90 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
  91 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
  92 #define MENU_TITLE1_YPOS                8
  93 #define MENU_TITLE2_YPOS                46
  94 #define MENU_SCREEN_INFO_XSTART         16
  95 #define MENU_SCREEN_INFO_YSTART1        100
  96 #define MENU_SCREEN_INFO_YSTART2        128
  97 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
  98 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - 20)
  99 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 100                                          MENU_SCREEN_INFO_YSTART2 -     \
 101                                          TILEY / 2)
 102 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 103 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 104                                          MENU_SCREEN_INFO_YSTEP)
 105 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 106   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 107    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 108    MAX_MENU_ENTRIES_ON_SCREEN)
 109 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 110                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 111                                             NUM_INFO_ELEMENTS_FROM_CONF)
 112 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 113 #define MAX_MENU_TEXT_LENGTH_BIG        13
 114 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 115
 116 /* buttons and scrollbars identifiers */
 117 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 118 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 119 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 120 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 121 #define SCREEN_CTRL_ID_SCROLL_UP        4
 122 #define SCREEN_CTRL_ID_SCROLL_DOWN      5
 123 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  6
 124
 125 #define NUM_SCREEN_GADGETS              7
 126
 127 #define NUM_SCREEN_MENUBUTTONS          4
 128 #define NUM_SCREEN_SCROLLBUTTONS        2
 129 #define NUM_SCREEN_SCROLLBARS           1
 130
 131 #define SCREEN_MASK_MAIN                (1 << 0)
 132 #define SCREEN_MASK_INPUT               (1 << 1)
 133
 134 /* graphic position and size values for buttons and scrollbars */
 135 #define SC_MENUBUTTON_XSIZE             TILEX
 136 #define SC_MENUBUTTON_YSIZE             TILEY
 137
 138 #define SC_SCROLLBUTTON_XSIZE           TILEX
 139 #define SC_SCROLLBUTTON_YSIZE           TILEY
 140
 141 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 142
 143 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 144 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 145                                          SC_SCROLLBUTTON_YSIZE)
 146
 147 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 148 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 149
 150 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 151 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 152                                          SC_SCROLLBUTTON_YSIZE)
 153
 154 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 155 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 156                                          SC_SCROLL_VERTICAL_YSIZE)
 157
 158 #define SC_BORDER_SIZE                  14
 159
 160
 161 /* forward declarations of internal functions */
 162 static void HandleScreenGadgets(struct GadgetInfo *);
 163 static void HandleSetupScreen_Generic(int, int, int, int, int);
 164 static void HandleSetupScreen_Input(int, int, int, int, int);
 165 static void CustomizeKeyboard(int);
 166 static void CalibrateJoystick(int);
 167 static void execSetupGame(void);
 168 static void execSetupGraphics(void);
 169 static void execSetupSound(void);
 170 static void execSetupTouch(void);
 171 static void execSetupArtwork(void);
 172 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 173
 174 static void DrawChooseLevelSet(void);
 175 static void DrawChooseLevelNr(void);
 176 static void DrawInfoScreen(void);
 177 static void DrawSetupScreen(void);
 178
 179 static void DrawInfoScreen_NotAvailable(char *, char *);
 180 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 181 static void DrawInfoScreen_HelpText(int, int, int, int);
 182 static void HandleInfoScreen_Main(int, int, int, int, int);
 183 static void HandleInfoScreen_TitleScreen(int);
 184 static void HandleInfoScreen_Elements(int);
 185 static void HandleInfoScreen_Music(int);
 186 static void HandleInfoScreen_Credits(int);
 187 static void HandleInfoScreen_Program(int);
 188 static void HandleInfoScreen_Version(int);
 189
 190 static void MapScreenMenuGadgets(int);
 191 static void MapScreenGadgets(int);
 192 static void MapScreenTreeGadgets(TreeInfo *);
 193
 194 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 195
 196 static int info_mode = INFO_MODE_MAIN;
 197 static int setup_mode = SETUP_MODE_MAIN;
 198
 199 static TreeInfo *window_sizes = NULL;
 200 static TreeInfo *window_size_current = NULL;
 201
 202 static TreeInfo *scaling_types = NULL;
 203 static TreeInfo *scaling_type_current = NULL;
 204
 205 static TreeInfo *rendering_modes = NULL;
 206 static TreeInfo *rendering_mode_current = NULL;
 207
 208 static TreeInfo *scroll_delays = NULL;
 209 static TreeInfo *scroll_delay_current = NULL;
 210
 211 static TreeInfo *snapshot_modes = NULL;
 212 static TreeInfo *snapshot_mode_current = NULL;
 213
 214 static TreeInfo *game_speeds = NULL;
 215 static TreeInfo *game_speed_current = NULL;
 216
 217 static TreeInfo *volumes_simple = NULL;
 218 static TreeInfo *volume_simple_current = NULL;
 219
 220 static TreeInfo *volumes_loops = NULL;
 221 static TreeInfo *volume_loops_current = NULL;
 222
 223 static TreeInfo *volumes_music = NULL;
 224 static TreeInfo *volume_music_current = NULL;
 225
 226 static TreeInfo *touch_controls = NULL;
 227 static TreeInfo *touch_control_current = NULL;
 228
 229 static TreeInfo *move_distances = NULL;
 230 static TreeInfo *move_distance_current = NULL;
 231
 232 static TreeInfo *drop_distances = NULL;
 233 static TreeInfo *drop_distance_current = NULL;
 234
 235 static TreeInfo *level_number = NULL;
 236 static TreeInfo *level_number_current = NULL;
 237
 238 static struct
 239 {
 240   int value;
 241   char *text;
 242 } window_sizes_list[] =
 243 {
 244   {     50,     "50 %"                          },
 245   {     80,     "80 %"                          },
 246   {     90,     "90 %"                          },
 247   {     100,    "100 % (Default)"               },
 248   {     110,    "110 %"                         },
 249   {     120,    "120 %"                         },
 250   {     130,    "130 %"                         },
 251   {     140,    "140 %"                         },
 252   {     150,    "150 %"                         },
 253   {     200,    "200 %"                         },
 254   {     250,    "250 %"                         },
 255   {     300,    "300 %"                         },
 256
 257   {     -1,     NULL                            },
 258 };
 259
 260 static struct
 261 {
 262   char *value;
 263   char *text;
 264 } scaling_types_list[] =
 265 {
 266   {     SCALING_QUALITY_NEAREST, "None"         },
 267   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 268   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 269
 270   {     NULL,                    NULL           },
 271 };
 272
 273 static struct
 274 {
 275   char *value;
 276   char *text;
 277 } rendering_modes_list[] =
 278 {
 279   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 280   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 281 #if DEBUG
 282   // this mode may work under certain conditions, but does not work on Windows
 283   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 284 #endif
 285   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 286
 287   {     NULL,                            NULL                            },
 288 };
 289
 290 static struct
 291 {
 292   int value;
 293   char *text;
 294 } game_speeds_list[] =
 295 {
 296 #if 1
 297   {     30,     "Very Slow"                     },
 298   {     25,     "Slow"                          },
 299   {     20,     "Normal"                        },
 300   {     15,     "Fast"                          },
 301   {     10,     "Very Fast"                     },
 302 #else
 303   {     1000,   "1/1s (Extremely Slow)"         },
 304   {     500,    "1/2s"                          },
 305   {     200,    "1/5s"                          },
 306   {     100,    "1/10s"                         },
 307   {     50,     "1/20s"                         },
 308   {     29,     "1/35s (Original Supaplex)"     },
 309   {     25,     "1/40s"                         },
 310   {     20,     "1/50s (Normal Speed)"          },
 311   {     14,     "1/70s (Maximum Supaplex)"      },
 312   {     10,     "1/100s"                        },
 313   {     5,      "1/200s"                        },
 314   {     2,      "1/500s"                        },
 315   {     1,      "1/1000s (Extremely Fast)"      },
 316 #endif
 317
 318   {     -1,     NULL                            },
 319 };
 320
 321 static struct
 322 {
 323   int value;
 324   char *text;
 325 } scroll_delays_list[] =
 326 {
 327   {     0,      "0 Tiles (No Scroll Delay)"     },
 328   {     1,      "1 Tile"                        },
 329   {     2,      "2 Tiles"                       },
 330   {     3,      "3 Tiles (Default)"             },
 331   {     4,      "4 Tiles"                       },
 332   {     5,      "5 Tiles"                       },
 333   {     6,      "6 Tiles"                       },
 334   {     7,      "7 Tiles"                       },
 335   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 336
 337   {     -1,     NULL                            },
 338 };
 339
 340 static struct
 341 {
 342   char *value;
 343   char *text;
 344 } snapshot_modes_list[] =
 345 {
 346   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 347   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 348   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 349   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 350
 351   {     NULL,                                   NULL            },
 352 };
 353
 354 static struct
 355 {
 356   int value;
 357   char *text;
 358 } volumes_list[] =
 359 {
 360   {     0,      "0 %"                           },
 361   {     1,      "1 %"                           },
 362   {     2,      "2 %"                           },
 363   {     5,      "5 %"                           },
 364   {     10,     "10 %"                          },
 365   {     20,     "20 %"                          },
 366   {     30,     "30 %"                          },
 367   {     40,     "40 %"                          },
 368   {     50,     "50 %"                          },
 369   {     60,     "60 %"                          },
 370   {     70,     "70 %"                          },
 371   {     80,     "80 %"                          },
 372   {     90,     "90 %"                          },
 373   {     100,    "100 %"                         },
 374
 375   {     -1,     NULL                            },
 376 };
 377
 378 static struct
 379 {
 380   char *value;
 381   char *text;
 382 } touch_controls_list[] =
 383 {
 384   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 385   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 386
 387   {     NULL,                           NULL                    },
 388 };
 389
 390 static struct
 391 {
 392   int value;
 393   char *text;
 394 } distances_list[] =
 395 {
 396   {     1,      "1 %"                           },
 397   {     2,      "2 %"                           },
 398   {     3,      "3 %"                           },
 399   {     4,      "4 %"                           },
 400   {     5,      "5 %"                           },
 401   {     10,     "10 %"                          },
 402   {     15,     "15 %"                          },
 403   {     20,     "20 %"                          },
 404   {     25,     "25 %"                          },
 405
 406   {     -1,     NULL                            },
 407 };
 408
 409 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 410                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 411                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 412                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 413
 414 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 415 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 416                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 417                                  INFO_MODE_MAIN)
 418
 419 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 420                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 421                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 422                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 423                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 424                                  SETUP_MODE_CHOOSE_OTHER)
 425
 426 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 427                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 428                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 429 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 430                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 431                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 432
 433 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 434                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 435                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 436 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 437                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 438                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 439
 440 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 441                                  DRAW_XOFFSET_INFO(info_mode) :         \
 442                                  (s) == GAME_MODE_SETUP ?               \
 443                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 444                                  menu.draw_xoffset[DRAW_MODE(s)])
 445 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 446                                  DRAW_YOFFSET_INFO(info_mode) :         \
 447                                  (s) == GAME_MODE_SETUP ?               \
 448                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 449                                  menu.draw_yoffset[DRAW_MODE(s)])
 450
 451 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 452 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 453
 454 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 455                                     menu.list_size[game_status] :       \
 456                                     MAX_MENU_ENTRIES_ON_SCREEN)
 457
 458 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 459                                          NUM_MENU_ENTRIES_ON_SCREEN)
 460
 461
 462 /* title display and control definitions */
 463
 464 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 465                                  2 * MAX_NUM_TITLE_MESSAGES)
 466
 467 #define NO_DIRECT_LEVEL_SELECT  (-1)
 468
 469
 470 static int num_title_screens = 0;
 471
 472 struct TitleControlInfo
 473 {
 474   boolean is_image;
 475   boolean initial;
 476   boolean first;
 477   int local_nr;
 478   int sort_priority;
 479 };
 480
 481 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 482
 483 /* main menu display and control definitions */
 484
 485 #define MAIN_CONTROL_NAME                       0
 486 #define MAIN_CONTROL_LEVELS                     1
 487 #define MAIN_CONTROL_SCORES                     2
 488 #define MAIN_CONTROL_EDITOR                     3
 489 #define MAIN_CONTROL_INFO                       4
 490 #define MAIN_CONTROL_GAME                       5
 491 #define MAIN_CONTROL_SETUP                      6
 492 #define MAIN_CONTROL_QUIT                       7
 493 #define MAIN_CONTROL_PREV_LEVEL                 8
 494 #define MAIN_CONTROL_NEXT_LEVEL                 9
 495 #define MAIN_CONTROL_FIRST_LEVEL                10
 496 #define MAIN_CONTROL_LAST_LEVEL                 11
 497 #define MAIN_CONTROL_LEVEL_NUMBER               12
 498 #define MAIN_CONTROL_LEVEL_INFO_1               13
 499 #define MAIN_CONTROL_LEVEL_INFO_2               14
 500 #define MAIN_CONTROL_LEVEL_NAME                 15
 501 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 502 #define MAIN_CONTROL_LEVEL_YEAR                 17
 503 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 504 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 505 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 506 #define MAIN_CONTROL_TITLE_1                    21
 507 #define MAIN_CONTROL_TITLE_2                    22
 508 #define MAIN_CONTROL_TITLE_3                    23
 509
 510 static char str_main_text_name[10];
 511 static char str_main_text_first_level[10];
 512 static char str_main_text_last_level[10];
 513 static char str_main_text_level_number[10];
 514
 515 static char *main_text_name                     = str_main_text_name;
 516 static char *main_text_first_level              = str_main_text_first_level;
 517 static char *main_text_last_level               = str_main_text_last_level;
 518 static char *main_text_level_number             = str_main_text_level_number;
 519 static char *main_text_levels                   = "Levelset";
 520 static char *main_text_scores                   = "Hall Of Fame";
 521 static char *main_text_editor                   = "Level Creator";
 522 static char *main_text_info                     = "Info Screen";
 523 static char *main_text_game                     = "Start Game";
 524 static char *main_text_setup                    = "Setup";
 525 static char *main_text_quit                     = "Quit";
 526 static char *main_text_level_name               = level.name;
 527 static char *main_text_level_author             = level.author;
 528 static char *main_text_level_year               = NULL;
 529 static char *main_text_level_imported_from      = NULL;
 530 static char *main_text_level_imported_by        = NULL;
 531 static char *main_text_level_tested_by          = NULL;
 532
 533 struct MainControlInfo
 534 {
 535   int nr;
 536
 537   struct MenuPosInfo *pos_button;
 538   int button_graphic;
 539
 540   struct TextPosInfo *pos_text;
 541   char **text;
 542
 543   struct TextPosInfo *pos_input;
 544   char **input;
 545 };
 546
 547 static struct MainControlInfo main_controls[] =
 548 {
 549   {
 550     MAIN_CONTROL_NAME,
 551     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 552     &menu.main.text.name,               &main_text_name,
 553     &menu.main.input.name,              &setup.player_name,
 554   },
 555   {
 556     MAIN_CONTROL_LEVELS,
 557     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 558     &menu.main.text.levels,             &main_text_levels,
 559     NULL,                               NULL,
 560   },
 561   {
 562     MAIN_CONTROL_SCORES,
 563     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 564     &menu.main.text.scores,             &main_text_scores,
 565     NULL,                               NULL,
 566   },
 567   {
 568     MAIN_CONTROL_EDITOR,
 569     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 570     &menu.main.text.editor,             &main_text_editor,
 571     NULL,                               NULL,
 572   },
 573   {
 574     MAIN_CONTROL_INFO,
 575     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 576     &menu.main.text.info,               &main_text_info,
 577     NULL,                               NULL,
 578   },
 579   {
 580     MAIN_CONTROL_GAME,
 581     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 582     &menu.main.text.game,               &main_text_game,
 583     NULL,                               NULL,
 584   },
 585   {
 586     MAIN_CONTROL_SETUP,
 587     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 588     &menu.main.text.setup,              &main_text_setup,
 589     NULL,                               NULL,
 590   },
 591   {
 592     MAIN_CONTROL_QUIT,
 593     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 594     &menu.main.text.quit,               &main_text_quit,
 595     NULL,                               NULL,
 596   },
 597 #if 0
 598   /* (these two buttons are real gadgets) */
 599   {
 600     MAIN_CONTROL_PREV_LEVEL,
 601     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 602     NULL,                               NULL,
 603     NULL,                               NULL,
 604   },
 605   {
 606     MAIN_CONTROL_NEXT_LEVEL,
 607     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 608     NULL,                               NULL,
 609     NULL,                               NULL,
 610   },
 611 #endif
 612   {
 613     MAIN_CONTROL_FIRST_LEVEL,
 614     NULL,                               -1,
 615     &menu.main.text.first_level,        &main_text_first_level,
 616     NULL,                               NULL,
 617   },
 618   {
 619     MAIN_CONTROL_LAST_LEVEL,
 620     NULL,                               -1,
 621     &menu.main.text.last_level,         &main_text_last_level,
 622     NULL,                               NULL,
 623   },
 624   {
 625     MAIN_CONTROL_LEVEL_NUMBER,
 626     NULL,                               -1,
 627     &menu.main.text.level_number,       &main_text_level_number,
 628     NULL,                               NULL,
 629   },
 630   {
 631     MAIN_CONTROL_LEVEL_INFO_1,
 632     NULL,                               -1,
 633     &menu.main.text.level_info_1,       NULL,
 634     NULL,                               NULL,
 635   },
 636   {
 637     MAIN_CONTROL_LEVEL_INFO_2,
 638     NULL,                               -1,
 639     &menu.main.text.level_info_2,       NULL,
 640     NULL,                               NULL,
 641   },
 642   {
 643     MAIN_CONTROL_LEVEL_NAME,
 644     NULL,                               -1,
 645     &menu.main.text.level_name,         &main_text_level_name,
 646     NULL,                               NULL,
 647   },
 648   {
 649     MAIN_CONTROL_LEVEL_AUTHOR,
 650     NULL,                               -1,
 651     &menu.main.text.level_author,       &main_text_level_author,
 652     NULL,                               NULL,
 653   },
 654   {
 655     MAIN_CONTROL_LEVEL_YEAR,
 656     NULL,                               -1,
 657     &menu.main.text.level_year,         &main_text_level_year,
 658     NULL,                               NULL,
 659   },
 660   {
 661     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 662     NULL,                               -1,
 663     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 664     NULL,                               NULL,
 665   },
 666   {
 667     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 668     NULL,                               -1,
 669     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 670     NULL,                               NULL,
 671   },
 672   {
 673     MAIN_CONTROL_LEVEL_TESTED_BY,
 674     NULL,                               -1,
 675     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 676     NULL,                               NULL,
 677   },
 678   {
 679     MAIN_CONTROL_TITLE_1,
 680     NULL,                               -1,
 681     &menu.main.text.title_1,            &setup.internal.program_title,
 682     NULL,                               NULL,
 683   },
 684   {
 685     MAIN_CONTROL_TITLE_2,
 686     NULL,                               -1,
 687     &menu.main.text.title_2,            &setup.internal.program_copyright,
 688     NULL,                               NULL,
 689   },
 690   {
 691     MAIN_CONTROL_TITLE_3,
 692     NULL,                               -1,
 693     &menu.main.text.title_3,            &setup.internal.program_company,
 694     NULL,                               NULL,
 695   },
 696
 697   {
 698     -1,
 699     NULL,                               -1,
 700     NULL,                               NULL,
 701     NULL,                               NULL,
 702   }
 703 };
 704
 705
 706 static int getTitleScreenGraphic(int nr, boolean initial)
 707 {
 708   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 709 }
 710
 711 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 712 {
 713   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 714 }
 715
 716 #if 0
 717 static int getTitleScreenGameMode(boolean initial)
 718 {
 719   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 720 }
 721 #endif
 722
 723 static int getTitleMessageGameMode(boolean initial)
 724 {
 725   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 726 }
 727
 728 static int getTitleAnimMode(struct TitleControlInfo *tci)
 729 {
 730   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 731
 732   return base + tci->local_nr;
 733 }
 734
 735 #if 0
 736 static int getTitleScreenBackground(boolean initial)
 737 {
 738   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 739 }
 740 #endif
 741
 742 #if 0
 743 static int getTitleMessageBackground(int nr, boolean initial)
 744 {
 745   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 746 }
 747 #endif
 748
 749 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 750 {
 751   int base = (is_image ?
 752               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 753                          IMG_BACKGROUND_TITLESCREEN_1) :
 754               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 755                          IMG_BACKGROUND_TITLEMESSAGE_1));
 756   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 757                                   IMG_BACKGROUND_TITLE);
 758   int graphic_local = base + nr;
 759
 760   if (graphic_info[graphic_local].bitmap != NULL)
 761     return graphic_local;
 762
 763   if (graphic_info[graphic_global].bitmap != NULL)
 764     return graphic_global;
 765
 766   return IMG_UNDEFINED;
 767 }
 768
 769 static int getTitleSound(struct TitleControlInfo *tci)
 770 {
 771   boolean is_image = tci->is_image;
 772   int initial = tci->initial;
 773   int nr = tci->local_nr;
 774   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 775   int base = (is_image ?
 776               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 777                          SND_BACKGROUND_TITLESCREEN_1) :
 778               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 779                          SND_BACKGROUND_TITLEMESSAGE_1));
 780   int sound_global = menu.sound[mode];
 781   int sound_local = base + nr;
 782
 783 #if 0
 784   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 785          nr, initial, is_image,
 786          sound_global, getSoundListEntry(sound_global)->filename,
 787          sound_local, getSoundListEntry(sound_local)->filename);
 788 #endif
 789
 790   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 791     return sound_local;
 792
 793   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 794     return sound_global;
 795
 796   return SND_UNDEFINED;
 797 }
 798
 799 static int getTitleMusic(struct TitleControlInfo *tci)
 800 {
 801   boolean is_image = tci->is_image;
 802   int initial = tci->initial;
 803   int nr = tci->local_nr;
 804   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 805   int base = (is_image ?
 806               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 807                          MUS_BACKGROUND_TITLESCREEN_1) :
 808               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 809                          MUS_BACKGROUND_TITLEMESSAGE_1));
 810   int music_global = menu.music[mode];
 811   int music_local = base + nr;
 812
 813 #if 0
 814   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 815          nr, initial, is_image,
 816          music_global, getMusicListEntry(music_global)->filename,
 817          music_local, getMusicListEntry(music_local)->filename);
 818 #endif
 819
 820   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 821     return music_local;
 822
 823   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 824     return music_global;
 825
 826   return MUS_UNDEFINED;
 827 }
 828
 829 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 830 {
 831   boolean is_image = tci->is_image;
 832   boolean initial = tci->initial;
 833   boolean first = tci->first;
 834   int nr = tci->local_nr;
 835   struct TitleMessageInfo tmi;
 836   struct TitleFadingInfo ti;
 837
 838   tmi = (is_image ? (initial ? (first ?
 839                                 titlescreen_initial_first[nr] :
 840                                 titlescreen_initial[nr])
 841                              : (first ?
 842                                 titlescreen_first[nr] :
 843                                 titlescreen[nr]))
 844                   : (initial ? (first ?
 845                                 titlemessage_initial_first[nr] :
 846                                 titlemessage_initial[nr])
 847                              : (first ?
 848                                 titlemessage_first[nr] :
 849                                 titlemessage[nr])));
 850
 851   ti.fade_mode  = tmi.fade_mode;
 852   ti.fade_delay = tmi.fade_delay;
 853   ti.post_delay = tmi.post_delay;
 854   ti.auto_delay = tmi.auto_delay;
 855
 856   return ti;
 857 }
 858
 859 static int compareTitleControlInfo(const void *object1, const void *object2)
 860 {
 861   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 862   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 863   int compare_result;
 864
 865   if (tci1->initial != tci2->initial)
 866     compare_result = (tci1->initial ? -1 : +1);
 867   else if (tci1->sort_priority != tci2->sort_priority)
 868     compare_result = tci1->sort_priority - tci2->sort_priority;
 869   else if (tci1->is_image != tci2->is_image)
 870     compare_result = (tci1->is_image ? -1 : +1);
 871   else
 872     compare_result = tci1->local_nr - tci2->local_nr;
 873
 874   return compare_result;
 875 }
 876
 877 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 878                                                     boolean initial,
 879                                                     int nr, int sort_priority)
 880 {
 881   title_controls[num_title_screens].is_image = is_image;
 882   title_controls[num_title_screens].initial = initial;
 883   title_controls[num_title_screens].local_nr = nr;
 884   title_controls[num_title_screens].sort_priority = sort_priority;
 885
 886   title_controls[num_title_screens].first = FALSE;      /* will be set later */
 887
 888   num_title_screens++;
 889 }
 890
 891 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 892 {
 893   int i;
 894
 895   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 896   {
 897     int graphic = getTitleScreenGraphic(i, initial);
 898     Bitmap *bitmap = graphic_info[graphic].bitmap;
 899     int sort_priority = graphic_info[graphic].sort_priority;
 900
 901     if (bitmap != NULL)
 902       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 903   }
 904
 905   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 906   {
 907     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 908     char *filename = getLevelSetTitleMessageFilename(i, initial);
 909     int sort_priority = tmi->sort_priority;
 910
 911     if (filename != NULL)
 912       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 913   }
 914 }
 915
 916 static void InitializeTitleControls(boolean show_title_initial)
 917 {
 918   num_title_screens = 0;
 919
 920   /* 1st step: initialize title screens for game start (only when starting) */
 921   if (show_title_initial)
 922     InitializeTitleControls_CheckTitleInfo(TRUE);
 923
 924   /* 2nd step: initialize title screens for current level set */
 925   InitializeTitleControls_CheckTitleInfo(FALSE);
 926
 927   /* sort title screens according to sort_priority and title number */
 928   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 929         compareTitleControlInfo);
 930
 931   /* mark first title screen */
 932   title_controls[0].first = TRUE;
 933 }
 934
 935 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 936 {
 937   return (pos != NULL && pos->x != -1 && pos->y != -1);
 938 }
 939
 940 static boolean visibleTextPos(struct TextPosInfo *pos)
 941 {
 942   return (pos != NULL && pos->x != -1 && pos->y != -1);
 943 }
 944
 945 static void InitializeMainControls()
 946 {
 947   boolean local_team_mode = (!options.network && setup.team_mode);
 948   int i;
 949
 950   /* set main control text values to dynamically determined values */
 951   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 952
 953   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 954                                          menu.main.text.first_level.size));
 955   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 956                                          menu.main.text.last_level.size));
 957   strcpy(main_text_level_number, int2str(level_nr,
 958                                          menu.main.text.level_number.size));
 959
 960   main_text_level_year          = leveldir_current->year;
 961   main_text_level_imported_from = leveldir_current->imported_from;
 962   main_text_level_imported_by   = leveldir_current->imported_by;
 963   main_text_level_tested_by     = leveldir_current->tested_by;
 964
 965   /* set main control screen positions to dynamically determined values */
 966   for (i = 0; main_controls[i].nr != -1; i++)
 967   {
 968     struct MainControlInfo *mci = &main_controls[i];
 969     int nr                         = mci->nr;
 970     struct MenuPosInfo *pos_button = mci->pos_button;
 971     struct TextPosInfo *pos_text   = mci->pos_text;
 972     struct TextPosInfo *pos_input  = mci->pos_input;
 973     char *text                     = (mci->text  ? *mci->text  : NULL);
 974     char *input                    = (mci->input ? *mci->input : NULL);
 975     int button_graphic             = mci->button_graphic;
 976     int font_text                  = (pos_text  ? pos_text->font  : -1);
 977     int font_input                 = (pos_input ? pos_input->font : -1);
 978
 979     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 980     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 981     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 982     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 983     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 984     int input_chars = (input != NULL ? strlen(input) : 0);
 985
 986     int button_width =
 987       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 988     int button_height =
 989       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 990     int text_width   = font_text_width * text_chars;
 991     int text_height  = font_text_height;
 992     int input_width  = font_input_width * input_chars;
 993     int input_height = font_input_height;
 994
 995     if (nr == MAIN_CONTROL_NAME)
 996     {
 997       menu.main.input.name.width  = input_width;
 998       menu.main.input.name.height = input_height;
 999     }
1000
1001     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
1002     {
1003       pos_button->width  = button_width;
1004       pos_button->height = button_height;
1005     }
1006
1007     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1008     {
1009       /* calculate size for non-clickable text -- needed for text alignment */
1010       boolean calculate_text_size = (pos_button == NULL && text != NULL);
1011
1012       if (pos_text->width == -1 || calculate_text_size)
1013         pos_text->width = text_width;
1014       if (pos_text->height == -1 || calculate_text_size)
1015         pos_text->height = text_height;
1016
1017       if (visibleMenuPos(pos_button))
1018       {
1019         if (pos_text->x == -1)
1020           pos_text->x = pos_button->x + pos_button->width;
1021         if (pos_text->y == -1)
1022           pos_text->y =
1023             pos_button->y + (pos_button->height - pos_text->height) / 2;
1024       }
1025     }
1026
1027     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1028     {
1029       if (visibleTextPos(pos_text))
1030       {
1031         if (pos_input->x == -1)
1032           pos_input->x = pos_text->x + pos_text->width;
1033         if (pos_input->y == -1)
1034           pos_input->y = pos_text->y;
1035       }
1036
1037       if (pos_input->width == -1)
1038         pos_input->width = input_width;
1039       if (pos_input->height == -1)
1040         pos_input->height = input_height;
1041     }
1042   }
1043 }
1044
1045 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1046                                        int graphic, boolean pressed)
1047 {
1048   struct GraphicInfo *g = &graphic_info[graphic];
1049   Bitmap *src_bitmap;
1050   int src_x, src_y;
1051   int xoffset = (pressed ? g->pressed_xoffset : 0);
1052   int yoffset = (pressed ? g->pressed_yoffset : 0);
1053
1054   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1055
1056   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1057                    g->width, g->height, dst_x, dst_y);
1058 }
1059
1060 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1061                                        boolean active_input,
1062                                        boolean pressed_button)
1063 {
1064   int i;
1065
1066   for (i = 0; main_controls[i].nr != -1; i++)
1067   {
1068     struct MainControlInfo *mci = &main_controls[i];
1069
1070     if (mci->nr == nr || nr == -1)
1071     {
1072       struct MenuPosInfo *pos_button = mci->pos_button;
1073       struct TextPosInfo *pos_text   = mci->pos_text;
1074       struct TextPosInfo *pos_input  = mci->pos_input;
1075       char *text                     = (mci->text  ? *mci->text  : NULL);
1076       char *input                    = (mci->input ? *mci->input : NULL);
1077       int button_graphic             = mci->button_graphic;
1078       int font_text                  = (pos_text  ? pos_text->font  : -1);
1079       int font_input                 = (pos_input ? pos_input->font : -1);
1080
1081       if (active_text)
1082       {
1083         button_graphic = BUTTON_ACTIVE(button_graphic);
1084         font_text = FONT_ACTIVE(font_text);
1085       }
1086
1087       if (active_input)
1088       {
1089         font_input = FONT_ACTIVE(font_input);
1090       }
1091
1092       if (visibleMenuPos(pos_button))
1093       {
1094         struct MenuPosInfo *pos = pos_button;
1095         int x = mSX + pos->x;
1096         int y = mSY + pos->y;
1097
1098         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1099         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1100       }
1101
1102       if (visibleTextPos(pos_text) && text != NULL)
1103       {
1104         struct TextPosInfo *pos = pos_text;
1105         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1106         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1107
1108 #if 1
1109         /* (check why/if this is needed) */
1110         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1111 #endif
1112         DrawText(x, y, text, font_text);
1113       }
1114
1115       if (visibleTextPos(pos_input) && input != NULL)
1116       {
1117         struct TextPosInfo *pos = pos_input;
1118         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1119         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1120
1121 #if 1
1122         /* (check why/if this is needed) */
1123         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1124 #endif
1125         DrawText(x, y, input, font_input);
1126       }
1127     }
1128   }
1129 }
1130
1131 static void DrawCursorAndText_Main(int nr, boolean active_text,
1132                                    boolean pressed_button)
1133 {
1134   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1135 }
1136
1137 #if 0
1138 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1139                                          boolean pressed_button)
1140 {
1141   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1142 }
1143 #endif
1144
1145 static struct MainControlInfo *getMainControlInfo(int nr)
1146 {
1147   int i;
1148
1149   for (i = 0; main_controls[i].nr != -1; i++)
1150     if (main_controls[i].nr == nr)
1151       return &main_controls[i];
1152
1153   return NULL;
1154 }
1155
1156 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1157 {
1158   if (rect == NULL)
1159     return FALSE;
1160
1161   int rect_x = ALIGNED_TEXT_XPOS(rect);
1162   int rect_y = ALIGNED_TEXT_YPOS(rect);
1163
1164   return (x >= rect_x && x < rect_x + rect->width &&
1165           y >= rect_y && y < rect_y + rect->height);
1166 }
1167
1168 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1169 {
1170   if (rect == NULL)
1171     return FALSE;
1172
1173   int rect_x = ALIGNED_TEXT_XPOS(rect);
1174   int rect_y = ALIGNED_TEXT_YPOS(rect);
1175
1176 #if 0
1177   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1178          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1179          (x >= rect_x && x < rect_x + rect->width &&
1180           y >= rect_y && y < rect_y + rect->height));
1181 #endif
1182
1183   return (x >= rect_x && x < rect_x + rect->width &&
1184           y >= rect_y && y < rect_y + rect->height);
1185 }
1186
1187 static void AdjustScrollbar(int id, int items_max, int items_visible,
1188                             int item_position)
1189 {
1190   struct GadgetInfo *gi = screen_gadget[id];
1191
1192   if (item_position > items_max - items_visible)
1193     item_position = items_max - items_visible;
1194
1195   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1196                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1197                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1198 }
1199
1200 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1201 {
1202   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1203                   first_entry);
1204 }
1205
1206 static void clearMenuListArea()
1207 {
1208   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1209
1210   /* correct scrollbar position if placed outside menu (playfield) area */
1211   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1212     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1213
1214   /* clear menu list area, but not title or scrollbar */
1215   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1216                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1217 }
1218
1219 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1220 {
1221   static int cursor_array[MAX_LEV_FIELDY];
1222   int x = mSX + TILEX * xpos;
1223   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1224
1225   if (xpos == 0)
1226   {
1227     if (graphic != -1)
1228       cursor_array[ypos] = graphic;
1229     else
1230       graphic = cursor_array[ypos];
1231   }
1232
1233   if (active)
1234     graphic = BUTTON_ACTIVE(graphic);
1235
1236   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1237   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1238 }
1239
1240 static void initCursor(int ypos, int graphic)
1241 {
1242   drawCursorExt(0, ypos, FALSE, graphic);
1243 }
1244
1245 static void drawCursor(int ypos, boolean active)
1246 {
1247   drawCursorExt(0, ypos, active, -1);
1248 }
1249
1250 static void drawCursorXY(int xpos, int ypos, int graphic)
1251 {
1252   drawCursorExt(xpos, ypos, FALSE, graphic);
1253 }
1254
1255 static void drawChooseTreeCursor(int ypos, boolean active)
1256 {
1257   drawCursorExt(0, ypos, active, -1);
1258 }
1259
1260 void DrawHeadline()
1261 {
1262   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, getProgramTitleString());
1263   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
1264                     setup.internal.program_copyright);
1265 }
1266
1267 void DrawTitleScreenImage(int nr, boolean initial)
1268 {
1269   int graphic = getTitleScreenGraphic(nr, initial);
1270   Bitmap *bitmap = graphic_info[graphic].bitmap;
1271   int width  = graphic_info[graphic].width;
1272   int height = graphic_info[graphic].height;
1273   int src_x = graphic_info[graphic].src_x;
1274   int src_y = graphic_info[graphic].src_y;
1275   int dst_x, dst_y;
1276
1277   if (bitmap == NULL)
1278     return;
1279
1280   if (width > WIN_XSIZE)
1281   {
1282     /* image width too large for window => center image horizontally */
1283     src_x = (width - WIN_XSIZE) / 2;
1284     width = WIN_XSIZE;
1285   }
1286
1287   if (height > WIN_YSIZE)
1288   {
1289     /* image height too large for window => center image vertically */
1290     src_y = (height - WIN_YSIZE) / 2;
1291     height = WIN_YSIZE;
1292   }
1293
1294   /* always display title screens centered */
1295   dst_x = (WIN_XSIZE - width) / 2;
1296   dst_y = (WIN_YSIZE - height) / 2;
1297
1298   SetDrawBackgroundMask(REDRAW_ALL);
1299   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1300
1301   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1302
1303   if (DrawingOnBackground(dst_x, dst_y))
1304     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1305   else
1306     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1307
1308   redraw_mask = REDRAW_ALL;
1309 }
1310
1311 void DrawTitleScreenMessage(int nr, boolean initial)
1312 {
1313   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1314   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1315
1316   if (filename == NULL)
1317     return;
1318
1319   /* force TITLE font on title message screen */
1320   SetFontStatus(getTitleMessageGameMode(initial));
1321
1322   /* if chars *and* width set to "-1", automatically determine width */
1323   if (tmi->chars == -1 && tmi->width == -1)
1324     tmi->width = viewport.window[game_status].width;
1325
1326   /* if lines *and* height set to "-1", automatically determine height */
1327   if (tmi->lines == -1 && tmi->height == -1)
1328     tmi->height = viewport.window[game_status].height;
1329
1330   /* if chars set to "-1", automatically determine by text and font width */
1331   if (tmi->chars == -1)
1332     tmi->chars = tmi->width / getFontWidth(tmi->font);
1333   else
1334     tmi->width = tmi->chars * getFontWidth(tmi->font);
1335
1336   /* if lines set to "-1", automatically determine by text and font height */
1337   if (tmi->lines == -1)
1338     tmi->lines = tmi->height / getFontHeight(tmi->font);
1339   else
1340     tmi->height = tmi->lines * getFontHeight(tmi->font);
1341
1342   /* if x set to "-1", automatically determine by width and alignment */
1343   if (tmi->x == -1)
1344     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1345
1346   /* if y set to "-1", automatically determine by height and alignment */
1347   if (tmi->y == -1)
1348     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1349
1350   SetDrawBackgroundMask(REDRAW_ALL);
1351   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1352
1353   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1354
1355   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1356                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1357                tmi->autowrap, tmi->centered, tmi->parse_comments);
1358
1359   ResetFontStatus();
1360 }
1361
1362 void DrawTitleScreen()
1363 {
1364   KeyboardAutoRepeatOff();
1365
1366   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1367 }
1368
1369 boolean CheckTitleScreen(boolean levelset_has_changed)
1370 {
1371   static boolean show_title_initial = TRUE;
1372   boolean show_titlescreen = FALSE;
1373
1374   /* needed to be able to skip title screen, if no image or message defined */
1375   InitializeTitleControls(show_title_initial);
1376
1377   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1378     show_titlescreen = TRUE;
1379
1380   /* show initial title images and messages only once at program start */
1381   show_title_initial = FALSE;
1382
1383   return (show_titlescreen && num_title_screens > 0);
1384 }
1385
1386 void DrawMainMenu()
1387 {
1388   static LevelDirTree *leveldir_last_valid = NULL;
1389   boolean levelset_has_changed = FALSE;
1390   int fade_mask = REDRAW_FIELD;
1391
1392   LimitScreenUpdates(FALSE);
1393
1394   FadeSetLeaveScreen();
1395
1396   /* do not fade out here -- function may continue and fade on editor screen */
1397
1398   UnmapAllGadgets();
1399   FadeSoundsAndMusic();
1400
1401   ExpireSoundLoops(FALSE);
1402
1403   KeyboardAutoRepeatOn();
1404   ActivateJoystick();
1405
1406   audio.sound_deactivated = FALSE;
1407
1408   GetPlayerConfig();
1409
1410   /* needed if last screen was the playing screen, invoked from level editor */
1411   if (level_editor_test_game)
1412   {
1413     CloseDoor(DOOR_CLOSE_ALL);
1414
1415     SetGameStatus(GAME_MODE_EDITOR);
1416
1417     DrawLevelEd();
1418
1419     return;
1420   }
1421
1422   /* needed if last screen was the setup screen and fullscreen state changed */
1423   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1424   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1425
1426   /* leveldir_current may be invalid (level group, parent link) */
1427   if (!validLevelSeries(leveldir_current))
1428     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1429
1430   if (leveldir_current != leveldir_last_valid)
1431     levelset_has_changed = TRUE;
1432
1433   /* store valid level series information */
1434   leveldir_last_valid = leveldir_current;
1435
1436   init_last = init;                     /* switch to new busy animation */
1437
1438   /* needed if last screen (level choice) changed graphics, sounds or music */
1439   ReloadCustomArtwork(0);
1440
1441   if (CheckTitleScreen(levelset_has_changed))
1442   {
1443     game_status_last_screen = GAME_MODE_MAIN;
1444
1445     SetGameStatus(GAME_MODE_TITLE);
1446
1447     DrawTitleScreen();
1448
1449     return;
1450   }
1451
1452   if (redraw_mask & REDRAW_ALL)
1453     fade_mask = REDRAW_ALL;
1454
1455   if (CheckIfGlobalBorderHasChanged())
1456     fade_mask = REDRAW_ALL;
1457
1458   FadeOut(fade_mask);
1459
1460   /* needed if different viewport properties defined for menues */
1461   ChangeViewportPropertiesIfNeeded();
1462
1463   SetDrawtoField(DRAW_TO_BACKBUFFER);
1464
1465   /* level_nr may have been set to value over handicap with level editor */
1466   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1467     level_nr = leveldir_current->handicap_level;
1468
1469   LoadLevel(level_nr);
1470   LoadScore(level_nr);
1471
1472   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1473   SetDrawDeactivationMask(REDRAW_NONE);
1474   SetDrawBackgroundMask(REDRAW_FIELD);
1475
1476   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1477
1478 #if 0
1479   if (fade_mask == REDRAW_ALL)
1480     RedrawGlobalBorder();
1481 #endif
1482
1483   ClearField();
1484
1485   InitializeMainControls();
1486
1487   DrawCursorAndText_Main(-1, FALSE, FALSE);
1488   DrawPreviewLevelInitial();
1489
1490   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1491
1492   TapeStop();
1493   if (TAPE_IS_EMPTY(tape))
1494     LoadTape(level_nr);
1495   DrawCompleteVideoDisplay();
1496
1497   PlayMenuSound();
1498   PlayMenuMusic();
1499
1500   /* create gadgets for main menu screen */
1501   FreeScreenGadgets();
1502   CreateScreenGadgets();
1503
1504   /* map gadgets for main menu screen */
1505   MapTapeButtons();
1506   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1507
1508   /* copy actual game door content to door double buffer for OpenDoor() */
1509   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1510   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1511
1512   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1513
1514   DrawMaskedBorder(fade_mask);
1515
1516   FadeIn(fade_mask);
1517   FadeSetEnterMenu();
1518
1519   /* update screen area with special editor door */
1520   redraw_mask |= REDRAW_ALL;
1521   BackToFront();
1522
1523   SetMouseCursor(CURSOR_DEFAULT);
1524
1525   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1526 }
1527
1528 static void gotoTopLevelDir()
1529 {
1530   /* move upwards until inside (but not above) top level directory */
1531   while (leveldir_current->node_parent &&
1532          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1533   {
1534     /* write a "path" into level tree for easy navigation to last level */
1535     if (leveldir_current->node_parent->node_group->cl_first == -1)
1536     {
1537       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1538       int leveldir_pos = posTreeInfo(leveldir_current);
1539       int num_page_entries;
1540       int cl_first, cl_cursor;
1541
1542       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1543         num_page_entries = num_leveldirs;
1544       else
1545         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1546
1547       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1548       cl_cursor = leveldir_pos - cl_first;
1549
1550       leveldir_current->node_parent->node_group->cl_first = cl_first;
1551       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1552     }
1553
1554     leveldir_current = leveldir_current->node_parent;
1555   }
1556 }
1557
1558 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1559 {
1560   static unsigned int title_delay = 0;
1561   static int title_screen_nr = 0;
1562   static int last_sound = -1, last_music = -1;
1563   boolean return_to_main_menu = FALSE;
1564   struct TitleControlInfo *tci;
1565   int sound, music;
1566
1567   if (button == MB_MENU_INITIALIZE)
1568   {
1569     title_delay = 0;
1570     title_screen_nr = 0;
1571     tci = &title_controls[title_screen_nr];
1572
1573     SetAnimStatus(getTitleAnimMode(tci));
1574
1575     last_sound = SND_UNDEFINED;
1576     last_music = MUS_UNDEFINED;
1577
1578     if (num_title_screens != 0)
1579     {
1580       FadeSetEnterScreen();
1581
1582       /* use individual title fading instead of global "enter screen" fading */
1583       fading = getTitleFading(tci);
1584     }
1585
1586     if (game_status_last_screen == GAME_MODE_INFO)
1587     {
1588       if (num_title_screens == 0)
1589       {
1590         /* switch game mode from title screen mode back to info screen mode */
1591         SetGameStatus(GAME_MODE_INFO);
1592
1593         DrawInfoScreen_NotAvailable("Title screen information:",
1594                                     "No title screen for this level set.");
1595         return;
1596       }
1597
1598       FadeSoundsAndMusic();
1599     }
1600
1601     FadeOut(REDRAW_ALL);
1602
1603     /* title screens may have different window size */
1604     ChangeViewportPropertiesIfNeeded();
1605
1606     /* only required to update logic for redrawing global border */
1607     ClearField();
1608
1609     if (tci->is_image)
1610       DrawTitleScreenImage(tci->local_nr, tci->initial);
1611     else
1612       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1613
1614     sound = getTitleSound(tci);
1615     music = getTitleMusic(tci);
1616
1617     if (sound != last_sound)
1618       PlayMenuSoundExt(sound);
1619     if (music != last_music)
1620       PlayMenuMusicExt(music);
1621
1622     last_sound = sound;
1623     last_music = music;
1624
1625     SetMouseCursor(CURSOR_NONE);
1626
1627     FadeIn(REDRAW_ALL);
1628
1629     DelayReached(&title_delay, 0);      /* reset delay counter */
1630
1631     return;
1632   }
1633
1634   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1635     button = MB_MENU_CHOICE;
1636
1637   if (button == MB_MENU_LEAVE)
1638   {
1639     return_to_main_menu = TRUE;
1640   }
1641   else if (button == MB_MENU_CHOICE)
1642   {
1643     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1644     {
1645       SetGameStatus(GAME_MODE_INFO);
1646
1647       info_mode = INFO_MODE_MAIN;
1648
1649       DrawInfoScreen();
1650
1651       return;
1652     }
1653
1654     title_screen_nr++;
1655
1656     if (title_screen_nr < num_title_screens)
1657     {
1658       tci = &title_controls[title_screen_nr];
1659
1660       SetAnimStatus(getTitleAnimMode(tci));
1661
1662       sound = getTitleSound(tci);
1663       music = getTitleMusic(tci);
1664
1665       if (last_sound != SND_UNDEFINED && sound != last_sound)
1666         FadeSound(last_sound);
1667       if (last_music != MUS_UNDEFINED && music != last_music)
1668         FadeMusic();
1669
1670       fading = getTitleFading(tci);
1671
1672       FadeOut(REDRAW_ALL);
1673
1674       if (tci->is_image)
1675         DrawTitleScreenImage(tci->local_nr, tci->initial);
1676       else
1677         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1678
1679       sound = getTitleSound(tci);
1680       music = getTitleMusic(tci);
1681
1682       if (sound != last_sound)
1683         PlayMenuSoundExt(sound);
1684       if (music != last_music)
1685         PlayMenuMusicExt(music);
1686
1687       last_sound = sound;
1688       last_music = music;
1689
1690       FadeIn(REDRAW_ALL);
1691
1692       DelayReached(&title_delay, 0);    /* reset delay counter */
1693     }
1694     else
1695     {
1696       FadeSoundsAndMusic();
1697
1698       return_to_main_menu = TRUE;
1699     }
1700   }
1701
1702   if (return_to_main_menu)
1703   {
1704     SetMouseCursor(CURSOR_DEFAULT);
1705
1706     /* force full menu screen redraw after displaying title screens */
1707     redraw_mask = REDRAW_ALL;
1708
1709     if (game_status_last_screen == GAME_MODE_INFO)
1710     {
1711       SetGameStatus(GAME_MODE_INFO);
1712
1713       info_mode = INFO_MODE_MAIN;
1714
1715       DrawInfoScreen();
1716     }
1717     else        /* default: return to main menu */
1718     {
1719       SetGameStatus(GAME_MODE_MAIN);
1720
1721       DrawMainMenu();
1722     }
1723   }
1724 }
1725
1726 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1727 {
1728   int old_level_nr = level_nr;
1729   int new_level_nr;
1730
1731   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1732     new_level_nr = selected_level_nr;
1733   else
1734     new_level_nr = old_level_nr + step * direction;
1735
1736   if (new_level_nr < leveldir_current->first_level)
1737     new_level_nr = leveldir_current->first_level;
1738   if (new_level_nr > leveldir_current->last_level)
1739     new_level_nr = leveldir_current->last_level;
1740
1741   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1742   {
1743     /* skipping levels is only allowed when trying to skip single level */
1744     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1745         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1746     {
1747       leveldir_current->handicap_level++;
1748       SaveLevelSetup_SeriesInfo();
1749     }
1750
1751     new_level_nr = leveldir_current->handicap_level;
1752   }
1753
1754   if (new_level_nr != old_level_nr)
1755   {
1756     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1757
1758     PlaySound(SND_MENU_ITEM_SELECTING);
1759
1760     level_nr = new_level_nr;
1761
1762     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1763              int2str(level_nr, menu.main.text.level_number.size),
1764              mci->pos_text->font);
1765
1766     LoadLevel(level_nr);
1767     DrawPreviewLevelInitial();
1768
1769     TapeErase();
1770     LoadTape(level_nr);
1771     DrawCompleteVideoDisplay();
1772
1773     /* needed because DrawPreviewLevelInitial() takes some time */
1774     BackToFront();
1775     /* SyncDisplay(); */
1776   }
1777 }
1778
1779 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1780 {
1781   static int choice = MAIN_CONTROL_GAME;
1782   static boolean button_pressed_last = FALSE;
1783   boolean button_pressed = FALSE;
1784   int pos = choice;
1785   int i;
1786
1787   if (button == MB_MENU_INITIALIZE)
1788   {
1789     DrawCursorAndText_Main(choice, TRUE, FALSE);
1790
1791     return;
1792   }
1793
1794   if (mx || my)         /* mouse input */
1795   {
1796     pos = -1;
1797
1798     for (i = 0; main_controls[i].nr != -1; i++)
1799     {
1800       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1801           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1802           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1803       {
1804         pos = main_controls[i].nr;
1805
1806         break;
1807       }
1808     }
1809
1810     // handle pressed/unpressed state for active/inactive menu buttons
1811     // (if pos != -1, "i" contains index position corresponding to "pos")
1812     if (button &&
1813         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1814         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1815       button_pressed = TRUE;
1816
1817     if (button_pressed != button_pressed_last)
1818     {
1819       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1820
1821       if (button_pressed)
1822         PlaySound(SND_MENU_BUTTON_PRESSING);
1823       else
1824         PlaySound(SND_MENU_BUTTON_RELEASING);
1825     }
1826   }
1827   else if (dx || dy)    /* keyboard input */
1828   {
1829     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1830                    choice == MAIN_CONTROL_SETUP))
1831       button = MB_MENU_CHOICE;
1832     else if (dy)
1833       pos = choice + dy;
1834   }
1835
1836   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1837   {
1838     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1839   }
1840   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1841   {
1842     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1843   }
1844   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1845   {
1846     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1847   }
1848   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1849   {
1850     CloseDoor(DOOR_CLOSE_2);
1851
1852     SetGameStatus(GAME_MODE_LEVELNR);
1853
1854     DrawChooseLevelNr();
1855   }
1856   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1857   {
1858     if (button)
1859     {
1860       if (pos != choice)
1861       {
1862         PlaySound(SND_MENU_ITEM_ACTIVATING);
1863
1864         DrawCursorAndText_Main(choice, FALSE, FALSE);
1865         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1866
1867         choice = pos;
1868       }
1869     }
1870     else
1871     {
1872       PlaySound(SND_MENU_ITEM_SELECTING);
1873
1874       if (pos == MAIN_CONTROL_NAME)
1875       {
1876         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
1877
1878         HandleTypeName(strlen(setup.player_name), 0);
1879       }
1880       else if (pos == MAIN_CONTROL_LEVELS)
1881       {
1882         if (leveldir_first)
1883         {
1884           CloseDoor(DOOR_CLOSE_2);
1885
1886           SetGameStatus(GAME_MODE_LEVELS);
1887
1888           SaveLevelSetup_LastSeries();
1889           SaveLevelSetup_SeriesInfo();
1890
1891           if (setup.internal.choose_from_top_leveldir)
1892             gotoTopLevelDir();
1893
1894           DrawChooseLevelSet();
1895         }
1896       }
1897       else if (pos == MAIN_CONTROL_SCORES)
1898       {
1899         CloseDoor(DOOR_CLOSE_2);
1900
1901         SetGameStatus(GAME_MODE_SCORES);
1902
1903         DrawHallOfFame(-1);
1904       }
1905       else if (pos == MAIN_CONTROL_EDITOR)
1906       {
1907         if (leveldir_current->readonly &&
1908             !strEqual(setup.player_name, "Artsoft"))
1909           Request("This level is read only!", REQ_CONFIRM);
1910
1911         CloseDoor(DOOR_CLOSE_2);
1912
1913         SetGameStatus(GAME_MODE_EDITOR);
1914
1915         FadeSetEnterScreen();
1916
1917         DrawLevelEd();
1918       }
1919       else if (pos == MAIN_CONTROL_INFO)
1920       {
1921         CloseDoor(DOOR_CLOSE_2);
1922
1923         SetGameStatus(GAME_MODE_INFO);
1924
1925         info_mode = INFO_MODE_MAIN;
1926
1927         DrawInfoScreen();
1928       }
1929       else if (pos == MAIN_CONTROL_GAME)
1930       {
1931         StartGameActions(options.network, setup.autorecord, level.random_seed);
1932       }
1933       else if (pos == MAIN_CONTROL_SETUP)
1934       {
1935         CloseDoor(DOOR_CLOSE_2);
1936
1937         SetGameStatus(GAME_MODE_SETUP);
1938
1939         setup_mode = SETUP_MODE_MAIN;
1940
1941         DrawSetupScreen();
1942       }
1943       else if (pos == MAIN_CONTROL_QUIT)
1944       {
1945         SaveLevelSetup_LastSeries();
1946         SaveLevelSetup_SeriesInfo();
1947
1948         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1949           SetGameStatus(GAME_MODE_QUIT);
1950       }
1951     }
1952   }
1953
1954   button_pressed_last = button_pressed;
1955 }
1956
1957
1958 /* ========================================================================= */
1959 /* info screen functions                                                     */
1960 /* ========================================================================= */
1961
1962 static struct TokenInfo *info_info;
1963 static int num_info_info;       /* number of info entries shown on screen */
1964 static int max_info_info;       /* total number of info entries in list */
1965
1966 static void execInfoTitleScreen()
1967 {
1968   info_mode = INFO_MODE_TITLE;
1969
1970   DrawInfoScreen();
1971 }
1972
1973 static void execInfoElements()
1974 {
1975   info_mode = INFO_MODE_ELEMENTS;
1976
1977   DrawInfoScreen();
1978 }
1979
1980 static void execInfoMusic()
1981 {
1982   info_mode = INFO_MODE_MUSIC;
1983
1984   DrawInfoScreen();
1985 }
1986
1987 static void execInfoCredits()
1988 {
1989   info_mode = INFO_MODE_CREDITS;
1990
1991   DrawInfoScreen();
1992 }
1993
1994 static void execInfoProgram()
1995 {
1996   info_mode = INFO_MODE_PROGRAM;
1997
1998   DrawInfoScreen();
1999 }
2000
2001 static void execInfoVersion()
2002 {
2003   info_mode = INFO_MODE_VERSION;
2004
2005   DrawInfoScreen();
2006 }
2007
2008 static void execInfoLevelSet()
2009 {
2010   info_mode = INFO_MODE_LEVELSET;
2011
2012   DrawInfoScreen();
2013 }
2014
2015 static void execExitInfo()
2016 {
2017   SetGameStatus(GAME_MODE_MAIN);
2018
2019   DrawMainMenu();
2020 }
2021
2022 static struct TokenInfo info_info_main[] =
2023 {
2024   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2025   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2026   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2027   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2028   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2029   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2030   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2031   { TYPE_EMPTY,         NULL,                   ""                      },
2032   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2033
2034   { 0,                  NULL,                   NULL                    }
2035 };
2036
2037 static int getMenuTextFont(int type)
2038 {
2039   if (type & (TYPE_SWITCH       |
2040               TYPE_YES_NO       |
2041               TYPE_YES_NO_AUTO  |
2042               TYPE_STRING       |
2043               TYPE_ECS_AGA      |
2044               TYPE_KEYTEXT      |
2045               TYPE_ENTER_LIST))
2046     return FONT_MENU_2;
2047   else
2048     return FONT_MENU_1;
2049 }
2050
2051 static struct TokenInfo *setup_info;
2052 static struct TokenInfo setup_info_input[];
2053
2054 static struct TokenInfo *menu_info;
2055
2056 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2057                                        int screen_pos, int menu_info_pos_raw,
2058                                        boolean active)
2059 {
2060   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2061   struct TokenInfo *ti = &token_info[pos];
2062   int xpos = MENU_SCREEN_START_XPOS;
2063   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2064   int font_nr = getMenuTextFont(ti->type);
2065
2066   if (token_info == setup_info_input)
2067     font_nr = FONT_MENU_1;
2068
2069   if (active)
2070     font_nr = FONT_ACTIVE(font_nr);
2071
2072   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2073
2074   if (ti->type & ~TYPE_SKIP_ENTRY)
2075     drawCursor(screen_pos, active);
2076 }
2077
2078 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2079                                    boolean active)
2080 {
2081   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2082 }
2083
2084 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2085                                     boolean active)
2086 {
2087   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2088 }
2089
2090 static char *window_size_text;
2091 static char *scaling_type_text;
2092
2093 static void drawSetupValue(int, int);
2094
2095 static void drawMenuInfoList(int first_entry, int num_page_entries,
2096                              int max_page_entries)
2097 {
2098   int i;
2099
2100   if (first_entry + num_page_entries > max_page_entries)
2101     first_entry = 0;
2102
2103   clearMenuListArea();
2104
2105   for (i = 0; i < num_page_entries; i++)
2106   {
2107     int menu_info_pos = first_entry + i;
2108     struct TokenInfo *si = &menu_info[menu_info_pos];
2109     void *value_ptr = si->value;
2110
2111     /* set some entries to "unchangeable" according to other variables */
2112     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2113         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2114         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2115         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2116         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2117         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2118       si->type |= TYPE_GHOSTED;
2119
2120     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2121       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2122     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2123       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2124     else if (si->type & ~TYPE_SKIP_ENTRY)
2125       initCursor(i, IMG_MENU_BUTTON);
2126
2127     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2128
2129     if (si->type & TYPE_VALUE &&
2130         menu_info == setup_info)
2131       drawSetupValue(i, menu_info_pos);
2132   }
2133 }
2134
2135 static void DrawInfoScreen_Main()
2136 {
2137   int fade_mask = REDRAW_FIELD;
2138   int i;
2139
2140   if (redraw_mask & REDRAW_ALL)
2141     fade_mask = REDRAW_ALL;
2142
2143   if (CheckIfGlobalBorderHasChanged())
2144     fade_mask = REDRAW_ALL;
2145
2146   UnmapAllGadgets();
2147   FadeSoundsAndMusic();
2148
2149   FreeScreenGadgets();
2150   CreateScreenGadgets();
2151
2152   /* (needed after displaying title screens which disable auto repeat) */
2153   KeyboardAutoRepeatOn();
2154
2155   FadeSetLeaveScreen();
2156
2157   FadeOut(fade_mask);
2158
2159   /* needed if different viewport properties defined for info screen */
2160   ChangeViewportPropertiesIfNeeded();
2161
2162   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2163
2164   ClearField();
2165
2166   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2167
2168   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2169
2170   info_info = info_info_main;
2171
2172   // determine maximal number of info entries that can be displayed on screen
2173   num_info_info = 0;
2174   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2175     num_info_info++;
2176
2177   // determine maximal number of info entries available for menu of info screen
2178   max_info_info = 0;
2179   for (i = 0; info_info[i].type != 0; i++)
2180     max_info_info++;
2181
2182   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2183
2184   MapScreenGadgets(max_info_info);
2185
2186   PlayMenuSound();
2187   PlayMenuMusic();
2188
2189   DrawMaskedBorder(fade_mask);
2190
2191   FadeIn(fade_mask);
2192 }
2193
2194 static void changeSetupValue(int, int, int);
2195
2196 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2197                       int mode, int num_page_entries, int max_page_entries)
2198 {
2199   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2200   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2201   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2202   int *num_page_entries_last = num_page_entries_all_last[game_status];
2203   int *choice_store = choice_stores[game_status];
2204   int *first_entry_store = first_entry_stores[game_status];
2205   int choice = choice_store[mode];              /* starts with 0 */
2206   int first_entry = first_entry_store[mode];    /* starts with 0 */
2207   int x = 0;
2208   int y = choice - first_entry;
2209   int y_old = y;
2210   boolean position_set_by_scrollbar = (dx == 999);
2211   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2212   int i;
2213
2214   if (button == MB_MENU_INITIALIZE)
2215   {
2216     // check if number of menu page entries has changed (may happen by change
2217     // of custom artwork definition value for 'list_size' for this menu screen)
2218     // (in this case, the last menu position most probably has to be corrected)
2219     if (num_page_entries != num_page_entries_last[mode])
2220     {
2221       choice_store[mode] = first_entry_store[mode] = 0;
2222
2223       choice = first_entry = 0;
2224       y = y_old = 0;
2225
2226       num_page_entries_last[mode] = num_page_entries;
2227     }
2228
2229     /* advance to first valid menu entry */
2230     while (choice < num_page_entries &&
2231            menu_info[choice].type & TYPE_SKIP_ENTRY)
2232       choice++;
2233
2234     if (position_set_by_scrollbar)
2235       first_entry = first_entry_store[mode] = dy;
2236     else
2237       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2238                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2239
2240     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2241
2242     if (choice < first_entry)
2243     {
2244       choice = first_entry;
2245
2246       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2247         choice++;
2248     }
2249     else if (choice > first_entry + num_page_entries - 1)
2250     {
2251       choice = first_entry + num_page_entries - 1;
2252
2253       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2254         choice--;
2255     }
2256
2257     choice_store[mode] = choice;
2258
2259     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2260
2261     return;
2262   }
2263   else if (button == MB_MENU_LEAVE)
2264   {
2265     PlaySound(SND_MENU_ITEM_SELECTING);
2266
2267     for (i = 0; i < max_page_entries; i++)
2268     {
2269       if (menu_info[i].type & TYPE_LEAVE_MENU)
2270       {
2271         void (*menu_callback_function)(void) = menu_info[i].value;
2272
2273         FadeSetLeaveMenu();
2274
2275         menu_callback_function();
2276
2277         break;  /* absolutely needed because function changes 'menu_info'! */
2278       }
2279     }
2280
2281     return;
2282   }
2283
2284   if (mx || my)         /* mouse input */
2285   {
2286     x = (mx - mSX) / 32;
2287     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2288   }
2289   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2290   {
2291     /* move cursor instead of scrolling when already at start/end of list */
2292     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2293       dy = -1;
2294     else if (dy == +1 * SCROLL_LINE &&
2295              first_entry + num_page_entries == max_page_entries)
2296       dy = 1;
2297
2298     /* handle scrolling screen one line or page */
2299     if (y + dy < 0 ||
2300         y + dy > num_page_entries - 1)
2301     {
2302       boolean redraw = FALSE;
2303
2304       if (ABS(dy) == SCROLL_PAGE)
2305         step = num_page_entries - 1;
2306
2307       if (dy < 0 && first_entry > 0)
2308       {
2309         /* scroll page/line up */
2310
2311         first_entry -= step;
2312         if (first_entry < 0)
2313           first_entry = 0;
2314
2315         redraw = TRUE;
2316       }
2317       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2318       {
2319         /* scroll page/line down */
2320
2321         first_entry += step;
2322         if (first_entry + num_page_entries > max_page_entries)
2323           first_entry = MAX(0, max_page_entries - num_page_entries);
2324
2325         redraw = TRUE;
2326       }
2327
2328       if (redraw)
2329       {
2330         choice += first_entry - first_entry_store[mode];
2331
2332         if (choice < first_entry)
2333         {
2334           choice = first_entry;
2335
2336           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2337             choice++;
2338         }
2339         else if (choice > first_entry + num_page_entries - 1)
2340         {
2341           choice = first_entry + num_page_entries - 1;
2342
2343           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2344             choice--;
2345         }
2346         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2347         {
2348           choice += SIGN(dy);
2349
2350           if (choice < first_entry ||
2351               choice > first_entry + num_page_entries - 1)
2352           first_entry += SIGN(dy);
2353         }
2354
2355         first_entry_store[mode] = first_entry;
2356         choice_store[mode] = choice;
2357
2358         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2359
2360         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2361
2362         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2363                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2364       }
2365
2366       return;
2367     }
2368
2369     if (dx)
2370     {
2371       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2372
2373       if (menu_info[choice].type & menu_navigation_type ||
2374           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2375           menu_info[choice].type & TYPE_YES_NO_AUTO)
2376         button = MB_MENU_CHOICE;
2377     }
2378     else if (dy)
2379       y += dy;
2380
2381     /* jump to next non-empty menu entry (up or down) */
2382     while (first_entry + y > 0 &&
2383            first_entry + y < max_page_entries - 1 &&
2384            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2385       y += dy;
2386
2387     if (!IN_VIS_MENU(x, y))
2388     {
2389       choice += y - y_old;
2390
2391       if (choice < first_entry)
2392         first_entry = choice;
2393       else if (choice > first_entry + num_page_entries - 1)
2394         first_entry = choice - num_page_entries + 1;
2395
2396       if (first_entry >= 0 &&
2397           first_entry + num_page_entries <= max_page_entries)
2398       {
2399         first_entry_store[mode] = first_entry;
2400
2401         if (choice < first_entry)
2402           choice = first_entry;
2403         else if (choice > first_entry + num_page_entries - 1)
2404           choice = first_entry + num_page_entries - 1;
2405
2406         choice_store[mode] = choice;
2407
2408         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2409
2410         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2411
2412         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2413                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2414       }
2415
2416       return;
2417     }
2418   }
2419
2420   if (!anyScrollbarGadgetActive() &&
2421       IN_VIS_MENU(x, y) &&
2422       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2423       y >= 0 && y < num_page_entries)
2424   {
2425     if (button)
2426     {
2427       if (first_entry + y != choice &&
2428           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2429       {
2430         PlaySound(SND_MENU_ITEM_ACTIVATING);
2431
2432         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2433         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2434
2435         choice = choice_store[mode] = first_entry + y;
2436       }
2437     }
2438     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2439     {
2440       PlaySound(SND_MENU_ITEM_SELECTING);
2441
2442       /* when selecting key headline, execute function for key value change */
2443       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2444           menu_info[first_entry + y + 1].type & TYPE_KEY)
2445         y++;
2446
2447       /* when selecting string value, execute function for list selection */
2448       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2449           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2450         y--;
2451
2452       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2453       {
2454         void (*menu_callback_function)(void) =
2455           menu_info[first_entry + y].value;
2456
2457         FadeSetFromType(menu_info[first_entry + y].type);
2458
2459         menu_callback_function();
2460       }
2461       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2462                menu_info == setup_info)
2463       {
2464         changeSetupValue(y, first_entry + y, dx);
2465       }
2466     }
2467   }
2468 }
2469
2470 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2471 {
2472   menu_info = info_info;
2473
2474   HandleMenuScreen(mx, my, dx, dy, button,
2475                    info_mode, num_info_info, max_info_info);
2476 }
2477
2478 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2479 {
2480   int ystart1 = mSY - SY + 100;
2481   int ystart2 = mSY - SY + 150;
2482   int ybottom = mSY - SY + SYSIZE - 20;
2483
2484   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2485
2486   FadeOut(REDRAW_FIELD);
2487
2488   ClearField();
2489   DrawHeadline();
2490
2491   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2492   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2493
2494   DrawTextSCentered(ybottom, FONT_TEXT_4,
2495                     "Press any key or button for info menu");
2496
2497   FadeIn(REDRAW_FIELD);
2498 }
2499
2500 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2501 {
2502   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2503   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2504   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2505   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2506   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2507   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2508   int ystep = MENU_SCREEN_INFO_YSTEP;
2509   int element, action, direction;
2510   int graphic;
2511   int delay;
2512   int sync_frame;
2513   int i, j;
2514
2515   if (init)
2516   {
2517     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2518       infoscreen_step[i] = infoscreen_frame[i] = 0;
2519
2520     ClearField();
2521     DrawHeadline();
2522
2523     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2524
2525     DrawTextSCentered(ybottom, FONT_TEXT_4,
2526                       "Press any key or button for next page");
2527
2528     FrameCounter = 0;
2529   }
2530
2531   i = j = 0;
2532   while (helpanim_info[j].element != HELPANIM_LIST_END)
2533   {
2534     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2535         i >= max_anims)
2536       break;
2537     else if (i < start)
2538     {
2539       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2540         j++;
2541
2542       j++;
2543       i++;
2544
2545       continue;
2546     }
2547
2548     j += infoscreen_step[i - start];
2549
2550     element = helpanim_info[j].element;
2551     action = helpanim_info[j].action;
2552     direction = helpanim_info[j].direction;
2553
2554     if (element < 0)
2555       element = EL_UNKNOWN;
2556
2557     if (action != -1 && direction != -1)
2558       graphic = el_act_dir2img(element, action, direction);
2559     else if (action != -1)
2560       graphic = el_act2img(element, action);
2561     else if (direction != -1)
2562       graphic = el_dir2img(element, direction);
2563     else
2564       graphic = el2img(element);
2565
2566     delay = helpanim_info[j++].delay;
2567
2568     if (delay == -1)
2569       delay = 1000000;
2570
2571     if (infoscreen_frame[i - start] == 0)
2572     {
2573       sync_frame = 0;
2574       infoscreen_frame[i - start] = delay - 1;
2575     }
2576     else
2577     {
2578       sync_frame = delay - infoscreen_frame[i - start];
2579       infoscreen_frame[i - start]--;
2580     }
2581
2582     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2583     {
2584       if (!infoscreen_frame[i - start])
2585         infoscreen_step[i - start] = 0;
2586     }
2587     else
2588     {
2589       if (!infoscreen_frame[i - start])
2590         infoscreen_step[i - start]++;
2591       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2592         j++;
2593     }
2594
2595     j++;
2596
2597     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2598                                TILEX, TILEY);
2599     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2600                                  graphic, sync_frame, USE_MASKING);
2601
2602     if (init)
2603       DrawInfoScreen_HelpText(element, action, direction, i - start);
2604
2605     i++;
2606   }
2607
2608   redraw_mask |= REDRAW_FIELD;
2609
2610   FrameCounter++;
2611 }
2612
2613 static char *getHelpText(int element, int action, int direction)
2614 {
2615   char token[MAX_LINE_LEN];
2616
2617   strcpy(token, element_info[element].token_name);
2618
2619   if (action != -1)
2620     strcat(token, element_action_info[action].suffix);
2621
2622   if (direction != -1)
2623     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2624
2625   return getHashEntry(helptext_info, token);
2626 }
2627
2628 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2629 {
2630   int font_nr = FONT_INFO_ELEMENTS;
2631   int font_width = getFontWidth(font_nr);
2632   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2633   int sy = mSY + 65 + 2 * 32 + 1;
2634   int ystep = TILEY + 4;
2635   int pad_x = sx - SX;
2636   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2637   int max_lines_per_text = 2;
2638   char *text = NULL;
2639
2640   if (action != -1 && direction != -1)          /* element.action.direction */
2641     text = getHelpText(element, action, direction);
2642
2643   if (text == NULL && action != -1)             /* element.action */
2644     text = getHelpText(element, action, -1);
2645
2646   if (text == NULL && direction != -1)          /* element.direction */
2647     text = getHelpText(element, -1, direction);
2648
2649   if (text == NULL)                             /* base element */
2650     text = getHelpText(element, -1, -1);
2651
2652   if (text == NULL)                             /* not found */
2653     text = "No description available";
2654
2655   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2656     sy += getFontHeight(font_nr) / 2;
2657
2658   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2659                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2660                  TRUE, FALSE, FALSE);
2661 }
2662
2663 void DrawInfoScreen_TitleScreen()
2664 {
2665   game_status_last_screen = GAME_MODE_INFO;
2666
2667   SetGameStatus(GAME_MODE_TITLE);
2668
2669   DrawTitleScreen();
2670 }
2671
2672 void HandleInfoScreen_TitleScreen(int button)
2673 {
2674   HandleTitleScreen(0, 0, 0, 0, button);
2675 }
2676
2677 void DrawInfoScreen_Elements()
2678 {
2679   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2680
2681   FadeOut(REDRAW_FIELD);
2682
2683   LoadHelpAnimInfo();
2684   LoadHelpTextInfo();
2685
2686   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2687
2688   FadeIn(REDRAW_FIELD);
2689 }
2690
2691 void HandleInfoScreen_Elements(int button)
2692 {
2693   static unsigned int info_delay = 0;
2694   static int num_anims;
2695   static int num_pages;
2696   static int page;
2697   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2698   int i;
2699
2700   if (button == MB_MENU_INITIALIZE)
2701   {
2702     boolean new_element = TRUE;
2703
2704     num_anims = 0;
2705
2706     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2707     {
2708       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2709         new_element = TRUE;
2710       else if (new_element)
2711       {
2712         num_anims++;
2713         new_element = FALSE;
2714       }
2715     }
2716
2717     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2718     page = 0;
2719   }
2720
2721   if (button == MB_MENU_LEAVE)
2722   {
2723     PlaySound(SND_MENU_ITEM_SELECTING);
2724
2725     info_mode = INFO_MODE_MAIN;
2726     DrawInfoScreen();
2727
2728     return;
2729   }
2730   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2731   {
2732     if (button != MB_MENU_INITIALIZE)
2733     {
2734       PlaySound(SND_MENU_ITEM_SELECTING);
2735
2736       page++;
2737     }
2738
2739     if (page >= num_pages)
2740     {
2741       FadeSoundsAndMusic();
2742
2743       info_mode = INFO_MODE_MAIN;
2744       DrawInfoScreen();
2745
2746       return;
2747     }
2748
2749     if (page > 0)
2750       FadeSetNextScreen();
2751
2752     if (button != MB_MENU_INITIALIZE)
2753       FadeOut(REDRAW_FIELD);
2754
2755     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2756
2757     if (button != MB_MENU_INITIALIZE)
2758       FadeIn(REDRAW_FIELD);
2759   }
2760   else
2761   {
2762     if (DelayReached(&info_delay, GameFrameDelay))
2763       if (page < num_pages)
2764         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2765
2766     PlayMenuSoundIfLoop();
2767   }
2768 }
2769
2770 void DrawInfoScreen_Music()
2771 {
2772   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2773
2774   FadeOut(REDRAW_FIELD);
2775
2776   ClearField();
2777   DrawHeadline();
2778
2779   LoadMusicInfo();
2780
2781   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2782
2783   FadeIn(REDRAW_FIELD);
2784 }
2785
2786 void HandleInfoScreen_Music(int button)
2787 {
2788   static struct MusicFileInfo *list = NULL;
2789   int ystart1 = mSY - SY + 100;
2790   int ystart2 = mSY - SY + 150;
2791   int ybottom = mSY - SY + SYSIZE - 20;
2792   int dy = 30;
2793
2794   if (button == MB_MENU_INITIALIZE)
2795   {
2796     list = music_file_info;
2797
2798     if (list == NULL)
2799     {
2800       FadeSoundsAndMusic();
2801
2802       ClearField();
2803       DrawHeadline();
2804
2805       DrawTextSCentered(ystart1, FONT_TEXT_1,
2806                         "No music info for this level set.");
2807
2808       DrawTextSCentered(ybottom, FONT_TEXT_4,
2809                         "Press any key or button for info menu");
2810
2811       return;
2812     }
2813   }
2814
2815   if (button == MB_MENU_LEAVE)
2816   {
2817     PlaySound(SND_MENU_ITEM_SELECTING);
2818
2819     FadeSoundsAndMusic();
2820
2821     info_mode = INFO_MODE_MAIN;
2822     DrawInfoScreen();
2823
2824     return;
2825   }
2826   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2827   {
2828     int y = 0;
2829
2830     if (button != MB_MENU_INITIALIZE)
2831     {
2832       PlaySound(SND_MENU_ITEM_SELECTING);
2833
2834       if (list != NULL)
2835         list = list->next;
2836     }
2837
2838     if (list == NULL)
2839     {
2840       FadeSoundsAndMusic();
2841
2842       info_mode = INFO_MODE_MAIN;
2843       DrawInfoScreen();
2844
2845       return;
2846     }
2847
2848     FadeSoundsAndMusic();
2849
2850     if (list != music_file_info)
2851       FadeSetNextScreen();
2852
2853     if (button != MB_MENU_INITIALIZE)
2854       FadeOut(REDRAW_FIELD);
2855
2856     ClearField();
2857     DrawHeadline();
2858
2859     if (list->is_sound)
2860     {
2861       int sound = list->music;
2862
2863       if (sound_info[sound].loop)
2864         PlaySoundLoop(sound);
2865       else
2866         PlaySound(sound);
2867
2868       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2869     }
2870     else
2871     {
2872       PlayMusic(list->music);
2873
2874       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2875     }
2876
2877     if (!strEqual(list->title, UNKNOWN_NAME))
2878     {
2879       if (!strEqual(list->title_header, UNKNOWN_NAME))
2880         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2881
2882       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2883     }
2884
2885     if (!strEqual(list->artist, UNKNOWN_NAME))
2886     {
2887       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2888         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2889       else
2890         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2891
2892       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2893     }
2894
2895     if (!strEqual(list->album, UNKNOWN_NAME))
2896     {
2897       if (!strEqual(list->album_header, UNKNOWN_NAME))
2898         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2899       else
2900         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2901
2902       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2903     }
2904
2905     if (!strEqual(list->year, UNKNOWN_NAME))
2906     {
2907       if (!strEqual(list->year_header, UNKNOWN_NAME))
2908         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2909       else
2910         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2911
2912       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2913     }
2914
2915     DrawTextSCentered(ybottom, FONT_TEXT_4,
2916                       "Press any key or button for next page");
2917
2918     if (button != MB_MENU_INITIALIZE)
2919       FadeIn(REDRAW_FIELD);
2920   }
2921
2922   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2923     PlaySoundLoop(list->music);
2924 }
2925
2926 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2927 {
2928   int ystart1 = mSY - SY + 100;
2929   int ystart2 = mSY - SY + 150;
2930   int ybottom = mSY - SY + SYSIZE - 20;
2931   int ystep = 30;
2932
2933   ClearField();
2934   DrawHeadline();
2935
2936   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2937
2938   if (screen_nr == 0)
2939   {
2940     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2941                       "Special thanks to");
2942     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2943                       "Peter Liepa");
2944     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2945                       "for creating");
2946     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2947                       "\"Boulder Dash\"");
2948     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2949                       "in the year");
2950     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2951                       "1984");
2952     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2953                       "published by");
2954     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2955                       "First Star Software");
2956   }
2957   else if (screen_nr == 1)
2958   {
2959     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2960                       "Special thanks to");
2961     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2962                       "Klaus Heinz & Volker Wertich");
2963     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2964                       "for creating");
2965     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2966                       "\"Emerald Mine\"");
2967     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2968                       "in the year");
2969     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2970                       "1987");
2971     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2972                       "published by");
2973     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2974                       "Kingsoft");
2975   }
2976   else if (screen_nr == 2)
2977   {
2978     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2979                       "Special thanks to");
2980     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2981                       "Michael Stopp & Philip Jespersen");
2982     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2983                       "for creating");
2984     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2985                       "\"Supaplex\"");
2986     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2987                       "in the year");
2988     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2989                       "1991");
2990     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2991                       "published by");
2992     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2993                       "Digital Integration");
2994   }
2995   else if (screen_nr == 3)
2996   {
2997     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2998                       "Special thanks to");
2999     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3000                       "Hiroyuki Imabayashi");
3001     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3002                       "for creating");
3003     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3004                       "\"Sokoban\"");
3005     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3006                       "in the year");
3007     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3008                       "1982");
3009     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3010                       "published by");
3011     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3012                       "Thinking Rabbit");
3013   }
3014   else if (screen_nr == 4)
3015   {
3016     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3017                       "Special thanks to");
3018     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3019                       "Alan Bond");
3020     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3021                       "and");
3022     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3023                       "J\xfcrgen Bonhagen");
3024     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3025                       "for the continuous creation");
3026     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3027                       "of outstanding level sets");
3028   }
3029   else if (screen_nr == 5)
3030   {
3031     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3032                       "Thanks to");
3033     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3034                       "Peter Elzner");
3035     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3036                       "for ideas and inspiration by");
3037     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3038                       "Diamond Caves");
3039
3040     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3041                       "Thanks to");
3042     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3043                       "Steffest");
3044     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3045                       "for ideas and inspiration by");
3046     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3047                       "DX-Boulderdash");
3048   }
3049   else if (screen_nr == 6)
3050   {
3051     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3052                       "Thanks to");
3053     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3054                       "David Tritscher");
3055 #if 1
3056     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3057                       "for the code base used for the");
3058     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3059                       "native Emerald Mine engine");
3060 #else
3061     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3062                       "for the new Emerald Mine engine");
3063 #endif
3064   }
3065   else if (screen_nr == 7)
3066   {
3067     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3068                       "Thanks to");
3069     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3070                       "Guido Schulz");
3071     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3072                       "for the initial DOS port");
3073
3074     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3075                       "Thanks to");
3076     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3077                       "Karl H\xf6rnell");
3078     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3079                       "for some additional toons");
3080   }
3081   else if (screen_nr == 8)
3082   {
3083     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3084                       "And not to forget:");
3085     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3086                       "Many thanks to");
3087     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3088                       "All those who contributed");
3089     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3090                       "levels to this game");
3091     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3092                       "since 1995");
3093   }
3094
3095   DrawTextSCentered(ybottom, FONT_TEXT_4,
3096                     "Press any key or button for next page");
3097 }
3098
3099 void DrawInfoScreen_Credits()
3100 {
3101   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3102
3103   FadeSoundsAndMusic();
3104
3105   FadeOut(REDRAW_FIELD);
3106
3107   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3108
3109   FadeIn(REDRAW_FIELD);
3110 }
3111
3112 void HandleInfoScreen_Credits(int button)
3113 {
3114   static int screen_nr = 0;
3115   int num_screens = 9;
3116
3117   if (button == MB_MENU_INITIALIZE)
3118   {
3119     screen_nr = 0;
3120
3121     // DrawInfoScreen_CreditsScreen(screen_nr);
3122   }
3123
3124   if (button == MB_MENU_LEAVE)
3125   {
3126     PlaySound(SND_MENU_ITEM_SELECTING);
3127
3128     info_mode = INFO_MODE_MAIN;
3129     DrawInfoScreen();
3130
3131     return;
3132   }
3133   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3134   {
3135     if (button != MB_MENU_INITIALIZE)
3136     {
3137       PlaySound(SND_MENU_ITEM_SELECTING);
3138
3139       screen_nr++;
3140     }
3141
3142     if (screen_nr >= num_screens)
3143     {
3144       FadeSoundsAndMusic();
3145
3146       info_mode = INFO_MODE_MAIN;
3147       DrawInfoScreen();
3148
3149       return;
3150     }
3151
3152     if (screen_nr > 0)
3153       FadeSetNextScreen();
3154
3155     if (button != MB_MENU_INITIALIZE)
3156       FadeOut(REDRAW_FIELD);
3157
3158     DrawInfoScreen_CreditsScreen(screen_nr);
3159
3160     if (button != MB_MENU_INITIALIZE)
3161       FadeIn(REDRAW_FIELD);
3162   }
3163   else
3164   {
3165     PlayMenuSoundIfLoop();
3166   }
3167 }
3168
3169 void DrawInfoScreen_Program()
3170 {
3171   int ystart1 = mSY - SY + 100;
3172   int ystart2 = mSY - SY + 150;
3173   int ybottom = mSY - SY + SYSIZE - 20;
3174   int ystep = 30;
3175
3176   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3177
3178   FadeOut(REDRAW_FIELD);
3179
3180   ClearField();
3181   DrawHeadline();
3182
3183   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3184
3185   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3186                     "This game is Freeware!");
3187   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3188                     "If you like it, send e-mail to:");
3189   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3190                     setup.internal.program_email);
3191   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3192                     "More information and levels:");
3193   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3194                     setup.internal.program_website);
3195   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3196                     "If you have created new levels,");
3197   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3198                     "send them to me to include them!");
3199   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3200                     ":-)");
3201
3202   DrawTextSCentered(ybottom, FONT_TEXT_4,
3203                     "Press any key or button for info menu");
3204
3205   FadeIn(REDRAW_FIELD);
3206 }
3207
3208 void HandleInfoScreen_Program(int button)
3209 {
3210   if (button == MB_MENU_LEAVE)
3211   {
3212     PlaySound(SND_MENU_ITEM_SELECTING);
3213
3214     info_mode = INFO_MODE_MAIN;
3215     DrawInfoScreen();
3216
3217     return;
3218   }
3219   else if (button == MB_MENU_CHOICE)
3220   {
3221     PlaySound(SND_MENU_ITEM_SELECTING);
3222
3223     FadeSoundsAndMusic();
3224
3225     info_mode = INFO_MODE_MAIN;
3226     DrawInfoScreen();
3227   }
3228   else
3229   {
3230     PlayMenuSoundIfLoop();
3231   }
3232 }
3233
3234 void DrawInfoScreen_Version()
3235 {
3236   int font_header = FONT_TEXT_3;
3237   int font_text = FONT_TEXT_2;
3238   int xstep = getFontWidth(font_text);
3239   int ystep = getFontHeight(font_text);
3240   int ystart1 = mSY - SY + 100;
3241   int ystart2 = mSY - SY + 150;
3242   int ybottom = mSY - SY + SYSIZE - 20;
3243   int xstart1 = mSX - SX + 2 * xstep;
3244   int xstart2 = mSX - SX + 18 * xstep;
3245   int xstart3 = mSX - SX + 28 * xstep;
3246   SDL_version sdl_version_compiled;
3247   const SDL_version *sdl_version_linked;
3248   int driver_name_len = 10;
3249 #if defined(TARGET_SDL2)
3250   SDL_version sdl_version_linked_ext;
3251   const char *driver_name = NULL;
3252 #else
3253   char driver_name[driver_name_len];
3254 #endif
3255
3256   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3257
3258   FadeOut(REDRAW_FIELD);
3259
3260   ClearField();
3261   DrawHeadline();
3262
3263   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3264
3265   DrawTextF(xstart1, ystart2, font_header, "Name");
3266   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3267
3268   ystart2 += ystep;
3269   DrawTextF(xstart1, ystart2, font_header, "Version");
3270   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3271
3272   ystart2 += ystep;
3273   DrawTextF(xstart1, ystart2, font_header, "Platform");
3274   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3275
3276   ystart2 += ystep;
3277   DrawTextF(xstart1, ystart2, font_header, "Target");
3278   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3279
3280   ystart2 += ystep;
3281   DrawTextF(xstart1, ystart2, font_header, "Compile time");
3282   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
3283
3284   ystart2 += 3 * ystep;
3285   DrawTextF(xstart1, ystart2, font_header, "Library");
3286   DrawTextF(xstart2, ystart2, font_header, "compiled");
3287   DrawTextF(xstart3, ystart2, font_header, "linked");
3288
3289   SDL_VERSION(&sdl_version_compiled);
3290 #if defined(TARGET_SDL2)
3291   SDL_GetVersion(&sdl_version_linked_ext);
3292   sdl_version_linked = &sdl_version_linked_ext;
3293 #else
3294   sdl_version_linked = SDL_Linked_Version();
3295 #endif
3296
3297   ystart2 += 2 * ystep;
3298   DrawTextF(xstart1, ystart2, font_text, "SDL");
3299   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3300             sdl_version_compiled.major,
3301             sdl_version_compiled.minor,
3302             sdl_version_compiled.patch);
3303   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3304             sdl_version_linked->major,
3305             sdl_version_linked->minor,
3306             sdl_version_linked->patch);
3307
3308   SDL_IMAGE_VERSION(&sdl_version_compiled);
3309   sdl_version_linked = IMG_Linked_Version();
3310
3311   ystart2 += ystep;
3312   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3313   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3314             sdl_version_compiled.major,
3315             sdl_version_compiled.minor,
3316             sdl_version_compiled.patch);
3317   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3318             sdl_version_linked->major,
3319             sdl_version_linked->minor,
3320             sdl_version_linked->patch);
3321
3322   SDL_MIXER_VERSION(&sdl_version_compiled);
3323   sdl_version_linked = Mix_Linked_Version();
3324
3325   ystart2 += ystep;
3326   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3327   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3328             sdl_version_compiled.major,
3329             sdl_version_compiled.minor,
3330             sdl_version_compiled.patch);
3331   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3332             sdl_version_linked->major,
3333             sdl_version_linked->minor,
3334             sdl_version_linked->patch);
3335
3336   SDL_NET_VERSION(&sdl_version_compiled);
3337   sdl_version_linked = SDLNet_Linked_Version();
3338
3339   ystart2 += ystep;
3340   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3341   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3342             sdl_version_compiled.major,
3343             sdl_version_compiled.minor,
3344             sdl_version_compiled.patch);
3345   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3346             sdl_version_linked->major,
3347             sdl_version_linked->minor,
3348             sdl_version_linked->patch);
3349
3350   ystart2 += 3 * ystep;
3351   DrawTextF(xstart1, ystart2, font_header, "Driver");
3352   DrawTextF(xstart2, ystart2, font_header, "Requested");
3353   DrawTextF(xstart3, ystart2, font_header, "Used");
3354
3355 #if defined(TARGET_SDL2)
3356   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3357 #else
3358   SDL_VideoDriverName(driver_name, driver_name_len);
3359 #endif
3360
3361   ystart2 += 2 * ystep;
3362   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3363   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3364   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3365
3366 #if defined(TARGET_SDL2)
3367   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3368 #else
3369   SDL_AudioDriverName(driver_name, driver_name_len);
3370 #endif
3371
3372   ystart2 += ystep;
3373   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3374   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3375   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3376
3377   DrawTextSCentered(ybottom, FONT_TEXT_4,
3378                     "Press any key or button for info menu");
3379
3380   FadeIn(REDRAW_FIELD);
3381 }
3382
3383 void HandleInfoScreen_Version(int button)
3384 {
3385   if (button == MB_MENU_LEAVE)
3386   {
3387     PlaySound(SND_MENU_ITEM_SELECTING);
3388
3389     info_mode = INFO_MODE_MAIN;
3390     DrawInfoScreen();
3391
3392     return;
3393   }
3394   else if (button == MB_MENU_CHOICE)
3395   {
3396     PlaySound(SND_MENU_ITEM_SELECTING);
3397
3398     FadeSoundsAndMusic();
3399
3400     info_mode = INFO_MODE_MAIN;
3401     DrawInfoScreen();
3402   }
3403   else
3404   {
3405     PlayMenuSoundIfLoop();
3406   }
3407 }
3408
3409 void DrawInfoScreen_LevelSet()
3410 {
3411   struct TitleMessageInfo *tmi = &readme;
3412   char *filename = getLevelSetInfoFilename();
3413   char *title = "Level Set Information:";
3414   int ystart1 = mSY - SY + 100;
3415   int ybottom = mSY - SY + SYSIZE - 20;
3416
3417   if (filename == NULL)
3418   {
3419     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3420
3421     return;
3422   }
3423
3424   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3425
3426   FadeOut(REDRAW_FIELD);
3427
3428   ClearField();
3429   DrawHeadline();
3430
3431   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3432
3433   /* if x position set to "-1", automatically determine by playfield width */
3434   if (tmi->x == -1)
3435     tmi->x = SXSIZE / 2;
3436
3437   /* if y position set to "-1", use static default value */
3438   if (tmi->y == -1)
3439     tmi->y = 150;
3440
3441   /* if width set to "-1", automatically determine by playfield width */
3442   if (tmi->width == -1)
3443     tmi->width = SXSIZE - 2 * TILEX;
3444
3445   /* if height set to "-1", automatically determine by playfield height */
3446   if (tmi->height == -1)
3447     tmi->height = SYSIZE - 20 - tmi->y - 10;
3448
3449   /* if chars set to "-1", automatically determine by text and font width */
3450   if (tmi->chars == -1)
3451     tmi->chars = tmi->width / getFontWidth(tmi->font);
3452   else
3453     tmi->width = tmi->chars * getFontWidth(tmi->font);
3454
3455   /* if lines set to "-1", automatically determine by text and font height */
3456   if (tmi->lines == -1)
3457     tmi->lines = tmi->height / getFontHeight(tmi->font);
3458   else
3459     tmi->height = tmi->lines * getFontHeight(tmi->font);
3460
3461   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3462                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3463                tmi->autowrap, tmi->centered, tmi->parse_comments);
3464
3465   DrawTextSCentered(ybottom, FONT_TEXT_4,
3466                     "Press any key or button for info menu");
3467
3468   FadeIn(REDRAW_FIELD);
3469 }
3470
3471 void HandleInfoScreen_LevelSet(int button)
3472 {
3473   if (button == MB_MENU_LEAVE)
3474   {
3475     PlaySound(SND_MENU_ITEM_SELECTING);
3476
3477     info_mode = INFO_MODE_MAIN;
3478     DrawInfoScreen();
3479
3480     return;
3481   }
3482   else if (button == MB_MENU_CHOICE)
3483   {
3484     PlaySound(SND_MENU_ITEM_SELECTING);
3485
3486     FadeSoundsAndMusic();
3487
3488     info_mode = INFO_MODE_MAIN;
3489     DrawInfoScreen();
3490   }
3491   else
3492   {
3493     PlayMenuSoundIfLoop();
3494   }
3495 }
3496
3497 static void DrawInfoScreen()
3498 {
3499   if (info_mode == INFO_MODE_TITLE)
3500     DrawInfoScreen_TitleScreen();
3501   else if (info_mode == INFO_MODE_ELEMENTS)
3502     DrawInfoScreen_Elements();
3503   else if (info_mode == INFO_MODE_MUSIC)
3504     DrawInfoScreen_Music();
3505   else if (info_mode == INFO_MODE_CREDITS)
3506     DrawInfoScreen_Credits();
3507   else if (info_mode == INFO_MODE_PROGRAM)
3508     DrawInfoScreen_Program();
3509   else if (info_mode == INFO_MODE_VERSION)
3510     DrawInfoScreen_Version();
3511   else if (info_mode == INFO_MODE_LEVELSET)
3512     DrawInfoScreen_LevelSet();
3513   else
3514     DrawInfoScreen_Main();
3515
3516   if (info_mode != INFO_MODE_MAIN &&
3517       info_mode != INFO_MODE_TITLE &&
3518       info_mode != INFO_MODE_MUSIC)
3519   {
3520     PlayMenuSound();
3521     PlayMenuMusic();
3522   }
3523 }
3524
3525 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3526 {
3527   if (info_mode == INFO_MODE_TITLE)
3528     HandleInfoScreen_TitleScreen(button);
3529   else if (info_mode == INFO_MODE_ELEMENTS)
3530     HandleInfoScreen_Elements(button);
3531   else if (info_mode == INFO_MODE_MUSIC)
3532     HandleInfoScreen_Music(button);
3533   else if (info_mode == INFO_MODE_CREDITS)
3534     HandleInfoScreen_Credits(button);
3535   else if (info_mode == INFO_MODE_PROGRAM)
3536     HandleInfoScreen_Program(button);
3537   else if (info_mode == INFO_MODE_VERSION)
3538     HandleInfoScreen_Version(button);
3539   else if (info_mode == INFO_MODE_LEVELSET)
3540     HandleInfoScreen_LevelSet(button);
3541   else
3542     HandleInfoScreen_Main(mx, my, dx, dy, button);
3543 }
3544
3545
3546 /* ========================================================================= */
3547 /* type name functions                                                       */
3548 /* ========================================================================= */
3549
3550 void HandleTypeName(int newxpos, Key key)
3551 {
3552   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3553   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3554   struct TextPosInfo *pos = mci->pos_input;
3555   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3556   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3557   static int xpos = 0;
3558   int font_nr = pos->font;
3559   int font_active_nr = FONT_ACTIVE(font_nr);
3560   int font_width = getFontWidth(font_active_nr);
3561   char key_char = getValidConfigValueChar(getCharFromKey(key));
3562   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3563   boolean is_active = TRUE;
3564
3565   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3566
3567   if (newxpos)
3568   {
3569     strcpy(last_player_name, setup.player_name);
3570
3571     xpos = newxpos;
3572
3573 #if defined(TARGET_SDL2)
3574     SDL_StartTextInput();
3575 #endif
3576   }
3577   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3578   {
3579     setup.player_name[xpos] = key_char;
3580     setup.player_name[xpos + 1] = 0;
3581
3582     xpos++;
3583   }
3584   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3585   {
3586     xpos--;
3587
3588     setup.player_name[xpos] = 0;
3589   }
3590   else if (key == KSYM_Return && xpos > 0)
3591   {
3592     SaveSetup();
3593
3594     is_active = FALSE;
3595
3596     SetGameStatus(GAME_MODE_MAIN);
3597   }
3598   else if (key == KSYM_Escape)
3599   {
3600     strcpy(setup.player_name, last_player_name);
3601
3602     is_active = FALSE;
3603
3604     SetGameStatus(GAME_MODE_MAIN);
3605   }
3606
3607   if (is_active)
3608   {
3609     pos->width = (strlen(setup.player_name) + 1) * font_width;
3610     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3611
3612     DrawText(startx, starty, setup.player_name, font_active_nr);
3613     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3614   }
3615   else
3616   {
3617     pos->width = strlen(setup.player_name) * font_width;
3618     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3619
3620     DrawText(startx, starty, setup.player_name, font_nr);
3621
3622 #if defined(TARGET_SDL2)
3623     SDL_StopTextInput();
3624 #endif
3625   }
3626 }
3627
3628
3629 /* ========================================================================= */
3630 /* tree menu functions                                                       */
3631 /* ========================================================================= */
3632
3633 static void DrawChooseTree(TreeInfo **ti_ptr)
3634 {
3635   int fade_mask = REDRAW_FIELD;
3636
3637   if (CheckIfGlobalBorderHasChanged())
3638     fade_mask = REDRAW_ALL;
3639
3640   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3641   {
3642     SetGameStatus(GAME_MODE_MAIN);
3643
3644     DrawMainMenu();
3645
3646     return;
3647   }
3648
3649   UnmapAllGadgets();
3650
3651   FreeScreenGadgets();
3652   CreateScreenGadgets();
3653
3654   FadeOut(fade_mask);
3655
3656   /* needed if different viewport properties defined for choosing level (set) */
3657   ChangeViewportPropertiesIfNeeded();
3658
3659   SetMainBackgroundImage(game_status == GAME_MODE_LEVELNR ?
3660                          IMG_BACKGROUND_LEVELNR :
3661                          game_status == GAME_MODE_LEVELS ?
3662                          IMG_BACKGROUND_LEVELS : IMG_BACKGROUND);
3663   ClearField();
3664
3665   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3666
3667   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3668   MapScreenTreeGadgets(*ti_ptr);
3669
3670   DrawMaskedBorder(fade_mask);
3671
3672   FadeIn(fade_mask);
3673 }
3674
3675 static void drawChooseTreeList(int first_entry, int num_page_entries,
3676                                TreeInfo *ti)
3677 {
3678   int i;
3679   char *title_string = NULL;
3680   int yoffset_sets = MENU_TITLE1_YPOS;
3681   int yoffset_setup = 16;
3682   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3683                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3684
3685   title_string = ti->infotext;
3686
3687   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3688
3689   clearMenuListArea();
3690
3691   for (i = 0; i < num_page_entries; i++)
3692   {
3693     TreeInfo *node, *node_first;
3694     int entry_pos = first_entry + i;
3695     int xpos = MENU_SCREEN_START_XPOS;
3696     int ypos = MENU_SCREEN_START_YPOS + i;
3697     int startx = mSX + xpos * 32;
3698     int starty = mSY + ypos * 32;
3699     int font_nr = FONT_TEXT_1;
3700     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3701     int startx_text = startx + font_xoffset;
3702     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3703     int text_size = startx_scrollbar - startx_text;
3704     int max_buffer_len = text_size / getFontWidth(font_nr);
3705     char buffer[max_buffer_len + 1];
3706
3707     node_first = getTreeInfoFirstGroupEntry(ti);
3708     node = getTreeInfoFromPos(node_first, entry_pos);
3709
3710     strncpy(buffer, node->name, max_buffer_len);
3711     buffer[max_buffer_len] = '\0';
3712
3713     DrawText(startx, starty, buffer, font_nr + node->color);
3714
3715     if (node->parent_link)
3716       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3717     else if (node->level_group)
3718       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3719     else
3720       initCursor(i, IMG_MENU_BUTTON);
3721   }
3722
3723   redraw_mask |= REDRAW_FIELD;
3724 }
3725
3726 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3727 {
3728   TreeInfo *node, *node_first;
3729   int x, last_redraw_mask = redraw_mask;
3730   int ypos = MENU_TITLE2_YPOS;
3731   int font_nr = FONT_TITLE_2;
3732
3733   if (ti->type == TREE_TYPE_LEVEL_NR)
3734     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3735
3736   if (ti->type != TREE_TYPE_LEVEL_DIR)
3737     return;
3738
3739   node_first = getTreeInfoFirstGroupEntry(ti);
3740   node = getTreeInfoFromPos(node_first, entry_pos);
3741
3742   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3743
3744   if (node->parent_link)
3745     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3746                       node->node_parent->name);
3747   else if (node->level_group)
3748     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3749                       node->name);
3750   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3751     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3752                       node->levels, (node->levels > 1 ? "levels" : "level"),
3753                       node->class_desc);
3754
3755   /* let BackToFront() redraw only what is needed */
3756   redraw_mask = last_redraw_mask;
3757   for (x = 0; x < SCR_FIELDX; x++)
3758     MarkTileDirty(x, 1);
3759 }
3760
3761 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3762                              TreeInfo **ti_ptr)
3763 {
3764   TreeInfo *ti = *ti_ptr;
3765   int x = 0;
3766   int y = ti->cl_cursor;
3767   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3768   int num_entries = numTreeInfoInGroup(ti);
3769   int num_page_entries;
3770   boolean position_set_by_scrollbar = (dx == 999);
3771
3772   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3773     num_page_entries = num_entries;
3774   else
3775     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3776
3777   if (button == MB_MENU_INITIALIZE)
3778   {
3779     int num_entries = numTreeInfoInGroup(ti);
3780     int entry_pos = posTreeInfo(ti);
3781
3782     if (ti->cl_first == -1)
3783     {
3784       /* only on initialization */
3785       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3786       ti->cl_cursor = entry_pos - ti->cl_first;
3787     }
3788     else if (ti->cl_cursor >= num_page_entries ||
3789              (num_entries > num_page_entries &&
3790               num_entries - ti->cl_first < num_page_entries))
3791     {
3792       /* only after change of list size (by custom graphic configuration) */
3793       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3794       ti->cl_cursor = entry_pos - ti->cl_first;
3795     }
3796
3797     if (position_set_by_scrollbar)
3798       ti->cl_first = dy;
3799     else
3800       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3801                                 ti->cl_first, ti);
3802
3803     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3804     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3805     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3806
3807     return;
3808   }
3809   else if (button == MB_MENU_LEAVE)
3810   {
3811     FadeSetLeaveMenu();
3812
3813     PlaySound(SND_MENU_ITEM_SELECTING);
3814
3815     if (ti->node_parent)
3816     {
3817       *ti_ptr = ti->node_parent;
3818       DrawChooseTree(ti_ptr);
3819     }
3820     else if (game_status == GAME_MODE_SETUP)
3821     {
3822       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3823           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3824           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3825         execSetupGame();
3826       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3827                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
3828                setup_mode == SETUP_MODE_CHOOSE_RENDERING)
3829         execSetupGraphics();
3830       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3831                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3832                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3833         execSetupSound();
3834       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3835                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3836                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3837         execSetupTouch();
3838       else
3839         execSetupArtwork();
3840     }
3841     else
3842     {
3843       if (game_status == GAME_MODE_LEVELNR)
3844       {
3845         int new_level_nr = atoi(level_number_current->identifier);
3846
3847         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3848       }
3849
3850       SetGameStatus(GAME_MODE_MAIN);
3851
3852       DrawMainMenu();
3853     }
3854
3855     return;
3856   }
3857
3858   if (mx || my)         /* mouse input */
3859   {
3860     x = (mx - mSX) / 32;
3861     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3862   }
3863   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3864   {
3865     /* move cursor instead of scrolling when already at start/end of list */
3866     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3867       dy = -1;
3868     else if (dy == +1 * SCROLL_LINE &&
3869              ti->cl_first + num_page_entries == num_entries)
3870       dy = 1;
3871
3872     /* handle scrolling screen one line or page */
3873     if (ti->cl_cursor + dy < 0 ||
3874         ti->cl_cursor + dy > num_page_entries - 1)
3875     {
3876       boolean redraw = FALSE;
3877
3878       if (ABS(dy) == SCROLL_PAGE)
3879         step = num_page_entries - 1;
3880
3881       if (dy < 0 && ti->cl_first > 0)
3882       {
3883         /* scroll page/line up */
3884
3885         ti->cl_first -= step;
3886         if (ti->cl_first < 0)
3887           ti->cl_first = 0;
3888
3889         redraw = TRUE;
3890       }
3891       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3892       {
3893         /* scroll page/line down */
3894
3895         ti->cl_first += step;
3896         if (ti->cl_first + num_page_entries > num_entries)
3897           ti->cl_first = MAX(0, num_entries - num_page_entries);
3898
3899         redraw = TRUE;
3900       }
3901
3902       if (redraw)
3903       {
3904         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3905         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3906         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3907
3908         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3909                                   ti->cl_first, ti);
3910       }
3911
3912       return;
3913     }
3914
3915     /* handle moving cursor one line */
3916     y = ti->cl_cursor + dy;
3917   }
3918
3919   if (dx == 1)
3920   {
3921     TreeInfo *node_first, *node_cursor;
3922     int entry_pos = ti->cl_first + y;
3923
3924     node_first = getTreeInfoFirstGroupEntry(ti);
3925     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3926
3927     if (node_cursor->node_group)
3928     {
3929       FadeSetEnterMenu();
3930
3931       PlaySound(SND_MENU_ITEM_SELECTING);
3932
3933       node_cursor->cl_first = ti->cl_first;
3934       node_cursor->cl_cursor = ti->cl_cursor;
3935       *ti_ptr = node_cursor->node_group;
3936       DrawChooseTree(ti_ptr);
3937
3938       return;
3939     }
3940   }
3941   else if (dx == -1 && ti->node_parent)
3942   {
3943     FadeSetLeaveMenu();
3944
3945     PlaySound(SND_MENU_ITEM_SELECTING);
3946
3947     *ti_ptr = ti->node_parent;
3948     DrawChooseTree(ti_ptr);
3949
3950     return;
3951   }
3952
3953   if (!anyScrollbarGadgetActive() &&
3954       IN_VIS_MENU(x, y) &&
3955       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3956       y >= 0 && y < num_page_entries)
3957   {
3958     if (button)
3959     {
3960       if (y != ti->cl_cursor)
3961       {
3962         PlaySound(SND_MENU_ITEM_ACTIVATING);
3963
3964         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3965         drawChooseTreeCursor(y, TRUE);
3966         drawChooseTreeInfo(ti->cl_first + y, ti);
3967
3968         ti->cl_cursor = y;
3969       }
3970     }
3971     else
3972     {
3973       TreeInfo *node_first, *node_cursor;
3974       int entry_pos = ti->cl_first + y;
3975
3976       PlaySound(SND_MENU_ITEM_SELECTING);
3977
3978       node_first = getTreeInfoFirstGroupEntry(ti);
3979       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3980
3981       if (node_cursor->node_group)
3982       {
3983         FadeSetEnterMenu();
3984
3985         node_cursor->cl_first = ti->cl_first;
3986         node_cursor->cl_cursor = ti->cl_cursor;
3987         *ti_ptr = node_cursor->node_group;
3988         DrawChooseTree(ti_ptr);
3989       }
3990       else if (node_cursor->parent_link)
3991       {
3992         FadeSetLeaveMenu();
3993
3994         *ti_ptr = node_cursor->node_parent;
3995         DrawChooseTree(ti_ptr);
3996       }
3997       else
3998       {
3999         FadeSetEnterMenu();
4000
4001         node_cursor->cl_first = ti->cl_first;
4002         node_cursor->cl_cursor = ti->cl_cursor;
4003         *ti_ptr = node_cursor;
4004
4005         if (ti->type == TREE_TYPE_LEVEL_DIR)
4006         {
4007           LoadLevelSetup_SeriesInfo();
4008
4009           SaveLevelSetup_LastSeries();
4010           SaveLevelSetup_SeriesInfo();
4011           TapeErase();
4012         }
4013
4014         if (game_status == GAME_MODE_SETUP)
4015         {
4016           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4017               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4018               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4019             execSetupGame();
4020           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4021                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4022                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4023             execSetupGraphics();
4024           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4025                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4026                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4027             execSetupSound();
4028           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4029                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4030                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4031             execSetupTouch();
4032           else
4033             execSetupArtwork();
4034         }
4035         else
4036         {
4037           if (game_status == GAME_MODE_LEVELNR)
4038           {
4039             int new_level_nr = atoi(level_number_current->identifier);
4040
4041             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4042           }
4043
4044           SetGameStatus(GAME_MODE_MAIN);
4045
4046           DrawMainMenu();
4047         }
4048       }
4049     }
4050   }
4051 }
4052
4053 void DrawChooseLevelSet()
4054 {
4055   FadeSoundsAndMusic();
4056
4057   DrawChooseTree(&leveldir_current);
4058
4059   PlayMenuSound();
4060   PlayMenuMusic();
4061 }
4062
4063 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4064 {
4065   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4066 }
4067
4068 void DrawChooseLevelNr()
4069 {
4070   int i;
4071
4072   FadeSoundsAndMusic();
4073
4074   if (level_number != NULL)
4075   {
4076     freeTreeInfo(level_number);
4077
4078     level_number = NULL;
4079   }
4080
4081   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4082   {
4083     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4084     char identifier[32], name[32];
4085     int value = i;
4086
4087     /* temporarily load level info to get level name */
4088     LoadLevelInfoOnly(i);
4089
4090     ti->node_top = &level_number;
4091     ti->sort_priority = 10000 + value;
4092     ti->color = (level.no_valid_file ? FC_BLUE :
4093                  LevelStats_getSolved(i) ? FC_GREEN :
4094                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4095
4096     sprintf(identifier, "%d", value);
4097     sprintf(name, "%03d: %s", value,
4098             (level.no_valid_file ? "(no file)" : level.name));
4099
4100     setString(&ti->identifier, identifier);
4101     setString(&ti->name, name);
4102     setString(&ti->name_sorting, name);
4103
4104     pushTreeInfo(&level_number, ti);
4105   }
4106
4107   /* sort level number values to start with lowest level number */
4108   sortTreeInfo(&level_number);
4109
4110   /* set current level number to current level number */
4111   level_number_current =
4112     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4113
4114   /* if that also fails, set current level number to first available level */
4115   if (level_number_current == NULL)
4116     level_number_current = level_number;
4117
4118   DrawChooseTree(&level_number_current);
4119
4120   PlayMenuSound();
4121   PlayMenuMusic();
4122 }
4123
4124 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4125 {
4126   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4127 }
4128
4129 void DrawHallOfFame(int highlight_position)
4130 {
4131   int fade_mask = REDRAW_FIELD;
4132
4133   if (CheckIfGlobalBorderHasChanged())
4134     fade_mask = REDRAW_ALL;
4135
4136   UnmapAllGadgets();
4137   FadeSoundsAndMusic();
4138
4139   /* (this is needed when called from GameEnd() after winning a game) */
4140   KeyboardAutoRepeatOn();
4141   ActivateJoystick();
4142
4143   /* (this is needed when called from GameEnd() after winning a game) */
4144   SetDrawDeactivationMask(REDRAW_NONE);
4145   SetDrawBackgroundMask(REDRAW_FIELD);
4146
4147   if (highlight_position < 0)
4148     LoadScore(level_nr);
4149
4150   FadeSetEnterScreen();
4151
4152   FadeOut(fade_mask);
4153
4154   /* needed if different viewport properties defined for scores */
4155   ChangeViewportPropertiesIfNeeded();
4156
4157   PlayMenuSound();
4158   PlayMenuMusic();
4159
4160   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4161
4162   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4163
4164   DrawMaskedBorder(fade_mask);
4165
4166   FadeIn(fade_mask);
4167 }
4168
4169 static void drawHallOfFameList(int first_entry, int highlight_position)
4170 {
4171   int i, j;
4172
4173   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4174   ClearField();
4175
4176   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4177   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4178                     "HighScores of Level %d", level_nr);
4179
4180   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4181   {
4182     int entry = first_entry + i;
4183     boolean active = (entry == highlight_position);
4184     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4185     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4186     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4187     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4188     int dxoff = getFontDrawOffsetX(font_nr1);
4189     int dx1 = 3 * getFontWidth(font_nr1);
4190     int dx2 = dx1 + getFontWidth(font_nr1);
4191     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4192     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4193     int sy = mSY + 64 + i * 32;
4194
4195     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4196     DrawText(mSX + dx1, sy, ".", font_nr1);
4197
4198     for (j = 0; j < num_dots; j++)
4199       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4200
4201     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4202       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4203
4204     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4205   }
4206
4207   redraw_mask |= REDRAW_FIELD;
4208 }
4209
4210 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4211 {
4212   static int first_entry = 0;
4213   static int highlight_position = 0;
4214   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4215
4216   if (button == MB_MENU_INITIALIZE)
4217   {
4218     first_entry = 0;
4219     highlight_position = mx;
4220     drawHallOfFameList(first_entry, highlight_position);
4221
4222     return;
4223   }
4224
4225   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4226     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4227
4228   if (dy < 0)
4229   {
4230     if (first_entry > 0)
4231     {
4232       first_entry -= step;
4233       if (first_entry < 0)
4234         first_entry = 0;
4235
4236       drawHallOfFameList(first_entry, highlight_position);
4237     }
4238   }
4239   else if (dy > 0)
4240   {
4241     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4242     {
4243       first_entry += step;
4244       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4245         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4246
4247       drawHallOfFameList(first_entry, highlight_position);
4248     }
4249   }
4250   else if (button == MB_MENU_LEAVE)
4251   {
4252     PlaySound(SND_MENU_ITEM_SELECTING);
4253
4254     FadeSound(SND_BACKGROUND_SCORES);
4255
4256     SetGameStatus(GAME_MODE_MAIN);
4257
4258     DrawMainMenu();
4259   }
4260   else if (button == MB_MENU_CHOICE)
4261   {
4262     PlaySound(SND_MENU_ITEM_SELECTING);
4263
4264     FadeSound(SND_BACKGROUND_SCORES);
4265
4266     SetGameStatus(GAME_MODE_MAIN);
4267
4268     DrawMainMenu();
4269   }
4270
4271   if (game_status == GAME_MODE_SCORES)
4272     PlayMenuSoundIfLoop();
4273 }
4274
4275
4276 /* ========================================================================= */
4277 /* setup screen functions                                                    */
4278 /* ========================================================================= */
4279
4280 static struct TokenInfo *setup_info;
4281 static int num_setup_info;      /* number of setup entries shown on screen */
4282 static int max_setup_info;      /* total number of setup entries in list */
4283
4284 static char *window_size_text;
4285 static char *scaling_type_text;
4286 static char *rendering_mode_text;
4287 static char *scroll_delay_text;
4288 static char *snapshot_mode_text;
4289 static char *game_speed_text;
4290 static char *graphics_set_name;
4291 static char *sounds_set_name;
4292 static char *music_set_name;
4293 static char *volume_simple_text;
4294 static char *volume_loops_text;
4295 static char *volume_music_text;
4296 static char *touch_controls_text;
4297 static char *move_distance_text;
4298 static char *drop_distance_text;
4299
4300 static void execSetupMain()
4301 {
4302   setup_mode = SETUP_MODE_MAIN;
4303
4304   DrawSetupScreen();
4305 }
4306
4307 static void execSetupGame_setGameSpeeds()
4308 {
4309   if (game_speeds == NULL)
4310   {
4311     int i;
4312
4313     for (i = 0; game_speeds_list[i].value != -1; i++)
4314     {
4315       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4316       char identifier[32], name[32];
4317       int value = game_speeds_list[i].value;
4318       char *text = game_speeds_list[i].text;
4319
4320       ti->node_top = &game_speeds;
4321       ti->sort_priority = 10000 - value;
4322
4323       sprintf(identifier, "%d", value);
4324       sprintf(name, "%s", text);
4325
4326       setString(&ti->identifier, identifier);
4327       setString(&ti->name, name);
4328       setString(&ti->name_sorting, name);
4329       setString(&ti->infotext, "Game Speed");
4330
4331       pushTreeInfo(&game_speeds, ti);
4332     }
4333
4334     /* sort game speed values to start with slowest game speed */
4335     sortTreeInfo(&game_speeds);
4336
4337     /* set current game speed to configured game speed value */
4338     game_speed_current =
4339       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4340
4341     /* if that fails, set current game speed to reliable default value */
4342     if (game_speed_current == NULL)
4343       game_speed_current =
4344         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4345
4346     /* if that also fails, set current game speed to first available speed */
4347     if (game_speed_current == NULL)
4348       game_speed_current = game_speeds;
4349   }
4350
4351   setup.game_frame_delay = atoi(game_speed_current->identifier);
4352
4353   /* needed for displaying game speed text instead of identifier */
4354   game_speed_text = game_speed_current->name;
4355 }
4356
4357 static void execSetupGame_setScrollDelays()
4358 {
4359   if (scroll_delays == NULL)
4360   {
4361     int i;
4362
4363     for (i = 0; scroll_delays_list[i].value != -1; i++)
4364     {
4365       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4366       char identifier[32], name[32];
4367       int value = scroll_delays_list[i].value;
4368       char *text = scroll_delays_list[i].text;
4369
4370       ti->node_top = &scroll_delays;
4371       ti->sort_priority = value;
4372
4373       sprintf(identifier, "%d", value);
4374       sprintf(name, "%s", text);
4375
4376       setString(&ti->identifier, identifier);
4377       setString(&ti->name, name);
4378       setString(&ti->name_sorting, name);
4379       setString(&ti->infotext, "Scroll Delay");
4380
4381       pushTreeInfo(&scroll_delays, ti);
4382     }
4383
4384     /* sort scroll delay values to start with lowest scroll delay value */
4385     sortTreeInfo(&scroll_delays);
4386
4387     /* set current scroll delay value to configured scroll delay value */
4388     scroll_delay_current =
4389       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4390
4391     /* if that fails, set current scroll delay to reliable default value */
4392     if (scroll_delay_current == NULL)
4393       scroll_delay_current =
4394         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4395
4396     /* if that also fails, set current scroll delay to first available value */
4397     if (scroll_delay_current == NULL)
4398       scroll_delay_current = scroll_delays;
4399   }
4400
4401   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4402
4403   /* needed for displaying scroll delay text instead of identifier */
4404   scroll_delay_text = scroll_delay_current->name;
4405 }
4406
4407 static void execSetupGame_setSnapshotModes()
4408 {
4409   if (snapshot_modes == NULL)
4410   {
4411     int i;
4412
4413     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4414     {
4415       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4416       char identifier[32], name[32];
4417       char *value = snapshot_modes_list[i].value;
4418       char *text = snapshot_modes_list[i].text;
4419
4420       ti->node_top = &snapshot_modes;
4421       ti->sort_priority = i;
4422
4423       sprintf(identifier, "%s", value);
4424       sprintf(name, "%s", text);
4425
4426       setString(&ti->identifier, identifier);
4427       setString(&ti->name, name);
4428       setString(&ti->name_sorting, name);
4429       setString(&ti->infotext, "Snapshot Mode");
4430
4431       pushTreeInfo(&snapshot_modes, ti);
4432     }
4433
4434     /* sort snapshot mode values to start with lowest snapshot mode value */
4435     sortTreeInfo(&snapshot_modes);
4436
4437     /* set current snapshot mode value to configured snapshot mode value */
4438     snapshot_mode_current =
4439       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4440
4441     /* if that fails, set current snapshot mode to reliable default value */
4442     if (snapshot_mode_current == NULL)
4443       snapshot_mode_current =
4444         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4445
4446     /* if that also fails, set current snapshot mode to first available value */
4447     if (snapshot_mode_current == NULL)
4448       snapshot_mode_current = snapshot_modes;
4449   }
4450
4451   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4452
4453   /* needed for displaying snapshot mode text instead of identifier */
4454   snapshot_mode_text = snapshot_mode_current->name;
4455 }
4456
4457 static void execSetupGame()
4458 {
4459   execSetupGame_setGameSpeeds();
4460   execSetupGame_setScrollDelays();
4461   execSetupGame_setSnapshotModes();
4462
4463   setup_mode = SETUP_MODE_GAME;
4464
4465   DrawSetupScreen();
4466 }
4467
4468 static void execSetupChooseGameSpeed()
4469 {
4470   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4471
4472   DrawSetupScreen();
4473 }
4474
4475 static void execSetupChooseScrollDelay()
4476 {
4477   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4478
4479   DrawSetupScreen();
4480 }
4481
4482 static void execSetupChooseSnapshotMode()
4483 {
4484   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4485
4486   DrawSetupScreen();
4487 }
4488
4489 static void execSetupEditor()
4490 {
4491   setup_mode = SETUP_MODE_EDITOR;
4492
4493   DrawSetupScreen();
4494 }
4495
4496 static void execSetupGraphics_setWindowSizes(boolean update_list)
4497 {
4498   if (window_sizes != NULL && update_list)
4499   {
4500     freeTreeInfo(window_sizes);
4501
4502     window_sizes = NULL;
4503   }
4504
4505   if (window_sizes == NULL)
4506   {
4507     boolean current_window_size_found = FALSE;
4508     int i;
4509
4510     for (i = 0; window_sizes_list[i].value != -1; i++)
4511     {
4512       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4513       char identifier[32], name[32];
4514       int value = window_sizes_list[i].value;
4515       char *text = window_sizes_list[i].text;
4516
4517       ti->node_top = &window_sizes;
4518       ti->sort_priority = value;
4519
4520       sprintf(identifier, "%d", value);
4521       sprintf(name, "%s", text);
4522
4523       setString(&ti->identifier, identifier);
4524       setString(&ti->name, name);
4525       setString(&ti->name_sorting, name);
4526       setString(&ti->infotext, "Window Scaling");
4527
4528       pushTreeInfo(&window_sizes, ti);
4529
4530       if (value == setup.window_scaling_percent)
4531         current_window_size_found = TRUE;
4532     }
4533
4534     if (!current_window_size_found)
4535     {
4536       // add entry for non-preset window scaling value
4537
4538       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4539       char identifier[32], name[32];
4540       int value = setup.window_scaling_percent;
4541
4542       ti->node_top = &window_sizes;
4543       ti->sort_priority = value;
4544
4545       sprintf(identifier, "%d", value);
4546       sprintf(name, "%d %% (Current)", value);
4547
4548       setString(&ti->identifier, identifier);
4549       setString(&ti->name, name);
4550       setString(&ti->name_sorting, name);
4551       setString(&ti->infotext, "Window Scaling");
4552
4553       pushTreeInfo(&window_sizes, ti);
4554     }
4555
4556     /* sort window size values to start with lowest window size value */
4557     sortTreeInfo(&window_sizes);
4558
4559     /* set current window size value to configured window size value */
4560     window_size_current =
4561       getTreeInfoFromIdentifier(window_sizes,
4562                                 i_to_a(setup.window_scaling_percent));
4563
4564     /* if that fails, set current window size to reliable default value */
4565     if (window_size_current == NULL)
4566       window_size_current =
4567         getTreeInfoFromIdentifier(window_sizes,
4568                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4569
4570     /* if that also fails, set current window size to first available value */
4571     if (window_size_current == NULL)
4572       window_size_current = window_sizes;
4573   }
4574
4575   setup.window_scaling_percent = atoi(window_size_current->identifier);
4576
4577   /* needed for displaying window size text instead of identifier */
4578   window_size_text = window_size_current->name;
4579 }
4580
4581 static void execSetupGraphics_setScalingTypes()
4582 {
4583   if (scaling_types == NULL)
4584   {
4585     int i;
4586
4587     for (i = 0; scaling_types_list[i].value != NULL; i++)
4588     {
4589       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4590       char identifier[32], name[32];
4591       char *value = scaling_types_list[i].value;
4592       char *text = scaling_types_list[i].text;
4593
4594       ti->node_top = &scaling_types;
4595       ti->sort_priority = i;
4596
4597       sprintf(identifier, "%s", value);
4598       sprintf(name, "%s", text);
4599
4600       setString(&ti->identifier, identifier);
4601       setString(&ti->name, name);
4602       setString(&ti->name_sorting, name);
4603       setString(&ti->infotext, "Anti-Aliasing");
4604
4605       pushTreeInfo(&scaling_types, ti);
4606     }
4607
4608     /* sort scaling type values to start with lowest scaling type value */
4609     sortTreeInfo(&scaling_types);
4610
4611     /* set current scaling type value to configured scaling type value */
4612     scaling_type_current =
4613       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4614
4615     /* if that fails, set current scaling type to reliable default value */
4616     if (scaling_type_current == NULL)
4617       scaling_type_current =
4618         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4619
4620     /* if that also fails, set current scaling type to first available value */
4621     if (scaling_type_current == NULL)
4622       scaling_type_current = scaling_types;
4623   }
4624
4625   setup.window_scaling_quality = scaling_type_current->identifier;
4626
4627   /* needed for displaying scaling type text instead of identifier */
4628   scaling_type_text = scaling_type_current->name;
4629 }
4630
4631 static void execSetupGraphics_setRenderingModes()
4632 {
4633   if (rendering_modes == NULL)
4634   {
4635     int i;
4636
4637     for (i = 0; rendering_modes_list[i].value != NULL; i++)
4638     {
4639       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4640       char identifier[32], name[32];
4641       char *value = rendering_modes_list[i].value;
4642       char *text = rendering_modes_list[i].text;
4643
4644       ti->node_top = &rendering_modes;
4645       ti->sort_priority = i;
4646
4647       sprintf(identifier, "%s", value);
4648       sprintf(name, "%s", text);
4649
4650       setString(&ti->identifier, identifier);
4651       setString(&ti->name, name);
4652       setString(&ti->name_sorting, name);
4653       setString(&ti->infotext, "Special Rendering");
4654
4655       pushTreeInfo(&rendering_modes, ti);
4656     }
4657
4658     /* sort rendering mode values to start with lowest rendering mode value */
4659     sortTreeInfo(&rendering_modes);
4660
4661     /* set current rendering mode value to configured rendering mode value */
4662     rendering_mode_current =
4663       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
4664
4665     /* if that fails, set current rendering mode to reliable default value */
4666     if (rendering_mode_current == NULL)
4667       rendering_mode_current =
4668         getTreeInfoFromIdentifier(rendering_modes,
4669                                   STR_SPECIAL_RENDERING_DEFAULT);
4670
4671     /* if that also fails, set current rendering mode to first available one */
4672     if (rendering_mode_current == NULL)
4673       rendering_mode_current = rendering_modes;
4674   }
4675
4676   setup.screen_rendering_mode = rendering_mode_current->identifier;
4677
4678   /* needed for displaying rendering mode text instead of identifier */
4679   rendering_mode_text = rendering_mode_current->name;
4680 }
4681
4682 static void execSetupGraphics()
4683 {
4684   // update "setup.window_scaling_percent" from list selection
4685   // (in this case, window scaling was changed on setup screen)
4686   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4687     execSetupGraphics_setWindowSizes(FALSE);
4688
4689   // update list selection from "setup.window_scaling_percent"
4690   // (window scaling may have changed by resizing the window)
4691   execSetupGraphics_setWindowSizes(TRUE);
4692
4693   execSetupGraphics_setScalingTypes();
4694   execSetupGraphics_setRenderingModes();
4695
4696   setup_mode = SETUP_MODE_GRAPHICS;
4697
4698   DrawSetupScreen();
4699
4700 #if defined(TARGET_SDL2)
4701   // window scaling may have changed at this point
4702   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4703
4704   // window scaling quality may have changed at this point
4705   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4706     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4707
4708   // screen rendering mode may have changed at this point
4709   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
4710 #endif
4711 }
4712
4713 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
4714 static void execSetupChooseWindowSize()
4715 {
4716   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4717
4718   DrawSetupScreen();
4719 }
4720
4721 static void execSetupChooseScalingType()
4722 {
4723   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4724
4725   DrawSetupScreen();
4726 }
4727
4728 static void execSetupChooseRenderingMode()
4729 {
4730   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
4731
4732   DrawSetupScreen();
4733 }
4734 #endif
4735
4736 static void execSetupChooseVolumeSimple()
4737 {
4738   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4739
4740   DrawSetupScreen();
4741 }
4742
4743 static void execSetupChooseVolumeLoops()
4744 {
4745   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4746
4747   DrawSetupScreen();
4748 }
4749
4750 static void execSetupChooseVolumeMusic()
4751 {
4752   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4753
4754   DrawSetupScreen();
4755 }
4756
4757 static void execSetupSound()
4758 {
4759   if (volumes_simple == NULL)
4760   {
4761     boolean current_volume_simple_found = FALSE;
4762     int i;
4763
4764     for (i = 0; volumes_list[i].value != -1; i++)
4765     {
4766       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4767       char identifier[32], name[32];
4768       int value = volumes_list[i].value;
4769       char *text = volumes_list[i].text;
4770
4771       ti->node_top = &volumes_simple;
4772       ti->sort_priority = value;
4773
4774       sprintf(identifier, "%d", value);
4775       sprintf(name, "%s", text);
4776
4777       setString(&ti->identifier, identifier);
4778       setString(&ti->name, name);
4779       setString(&ti->name_sorting, name);
4780       setString(&ti->infotext, "Sound Volume");
4781
4782       pushTreeInfo(&volumes_simple, ti);
4783
4784       if (value == setup.volume_simple)
4785         current_volume_simple_found = TRUE;
4786     }
4787
4788     if (!current_volume_simple_found)
4789     {
4790       // add entry for non-preset volume value
4791
4792       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4793       char identifier[32], name[32];
4794       int value = setup.volume_simple;
4795
4796       ti->node_top = &volumes_simple;
4797       ti->sort_priority = value;
4798
4799       sprintf(identifier, "%d", value);
4800       sprintf(name, "%d %% (Current)", value);
4801
4802       setString(&ti->identifier, identifier);
4803       setString(&ti->name, name);
4804       setString(&ti->name_sorting, name);
4805       setString(&ti->infotext, "Sound Volume");
4806
4807       pushTreeInfo(&volumes_simple, ti);
4808     }
4809
4810     /* sort volume values to start with lowest volume value */
4811     sortTreeInfo(&volumes_simple);
4812
4813     /* set current volume value to configured volume value */
4814     volume_simple_current =
4815       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4816
4817     /* if that fails, set current volume to reliable default value */
4818     if (volume_simple_current == NULL)
4819       volume_simple_current =
4820         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4821
4822     /* if that also fails, set current volume to first available value */
4823     if (volume_simple_current == NULL)
4824       volume_simple_current = volumes_simple;
4825   }
4826
4827   if (volumes_loops == NULL)
4828   {
4829     boolean current_volume_loops_found = FALSE;
4830     int i;
4831
4832     for (i = 0; volumes_list[i].value != -1; i++)
4833     {
4834       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4835       char identifier[32], name[32];
4836       int value = volumes_list[i].value;
4837       char *text = volumes_list[i].text;
4838
4839       ti->node_top = &volumes_loops;
4840       ti->sort_priority = value;
4841
4842       sprintf(identifier, "%d", value);
4843       sprintf(name, "%s", text);
4844
4845       setString(&ti->identifier, identifier);
4846       setString(&ti->name, name);
4847       setString(&ti->name_sorting, name);
4848       setString(&ti->infotext, "Loops Volume");
4849
4850       pushTreeInfo(&volumes_loops, ti);
4851
4852       if (value == setup.volume_loops)
4853         current_volume_loops_found = TRUE;
4854     }
4855
4856     if (!current_volume_loops_found)
4857     {
4858       // add entry for non-preset volume value
4859
4860       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4861       char identifier[32], name[32];
4862       int value = setup.volume_loops;
4863
4864       ti->node_top = &volumes_loops;
4865       ti->sort_priority = value;
4866
4867       sprintf(identifier, "%d", value);
4868       sprintf(name, "%d %% (Current)", value);
4869
4870       setString(&ti->identifier, identifier);
4871       setString(&ti->name, name);
4872       setString(&ti->name_sorting, name);
4873       setString(&ti->infotext, "Loops Volume");
4874
4875       pushTreeInfo(&volumes_loops, ti);
4876     }
4877
4878     /* sort volume values to start with lowest volume value */
4879     sortTreeInfo(&volumes_loops);
4880
4881     /* set current volume value to configured volume value */
4882     volume_loops_current =
4883       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4884
4885     /* if that fails, set current volume to reliable default value */
4886     if (volume_loops_current == NULL)
4887       volume_loops_current =
4888         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4889
4890     /* if that also fails, set current volume to first available value */
4891     if (volume_loops_current == NULL)
4892       volume_loops_current = volumes_loops;
4893   }
4894
4895   if (volumes_music == NULL)
4896   {
4897     boolean current_volume_music_found = FALSE;
4898     int i;
4899
4900     for (i = 0; volumes_list[i].value != -1; i++)
4901     {
4902       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4903       char identifier[32], name[32];
4904       int value = volumes_list[i].value;
4905       char *text = volumes_list[i].text;
4906
4907       ti->node_top = &volumes_music;
4908       ti->sort_priority = value;
4909
4910       sprintf(identifier, "%d", value);
4911       sprintf(name, "%s", text);
4912
4913       setString(&ti->identifier, identifier);
4914       setString(&ti->name, name);
4915       setString(&ti->name_sorting, name);
4916       setString(&ti->infotext, "Music Volume");
4917
4918       pushTreeInfo(&volumes_music, ti);
4919
4920       if (value == setup.volume_music)
4921         current_volume_music_found = TRUE;
4922     }
4923
4924     if (!current_volume_music_found)
4925     {
4926       // add entry for non-preset volume value
4927
4928       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4929       char identifier[32], name[32];
4930       int value = setup.volume_music;
4931
4932       ti->node_top = &volumes_music;
4933       ti->sort_priority = value;
4934
4935       sprintf(identifier, "%d", value);
4936       sprintf(name, "%d %% (Current)", value);
4937
4938       setString(&ti->identifier, identifier);
4939       setString(&ti->name, name);
4940       setString(&ti->name_sorting, name);
4941       setString(&ti->infotext, "Music Volume");
4942
4943       pushTreeInfo(&volumes_music, ti);
4944     }
4945
4946     /* sort volume values to start with lowest volume value */
4947     sortTreeInfo(&volumes_music);
4948
4949     /* set current volume value to configured volume value */
4950     volume_music_current =
4951       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4952
4953     /* if that fails, set current volume to reliable default value */
4954     if (volume_music_current == NULL)
4955       volume_music_current =
4956         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4957
4958     /* if that also fails, set current volume to first available value */
4959     if (volume_music_current == NULL)
4960       volume_music_current = volumes_music;
4961   }
4962
4963   setup.volume_simple = atoi(volume_simple_current->identifier);
4964   setup.volume_loops  = atoi(volume_loops_current->identifier);
4965   setup.volume_music  = atoi(volume_music_current->identifier);
4966
4967   /* needed for displaying volume text instead of identifier */
4968   volume_simple_text = volume_simple_current->name;
4969   volume_loops_text = volume_loops_current->name;
4970   volume_music_text = volume_music_current->name;
4971
4972   setup_mode = SETUP_MODE_SOUND;
4973
4974   DrawSetupScreen();
4975 }
4976
4977 static void execSetupChooseTouchControls()
4978 {
4979   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
4980
4981   DrawSetupScreen();
4982 }
4983
4984 static void execSetupChooseMoveDistance()
4985 {
4986   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
4987
4988   DrawSetupScreen();
4989 }
4990
4991 static void execSetupChooseDropDistance()
4992 {
4993   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
4994
4995   DrawSetupScreen();
4996 }
4997
4998 static void execSetupTouch()
4999 {
5000   if (touch_controls == NULL)
5001   {
5002     int i;
5003
5004     for (i = 0; touch_controls_list[i].value != NULL; i++)
5005     {
5006       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5007       char identifier[32], name[32];
5008       char *value = touch_controls_list[i].value;
5009       char *text = touch_controls_list[i].text;
5010
5011       ti->node_top = &touch_controls;
5012       ti->sort_priority = i;
5013
5014       sprintf(identifier, "%s", value);
5015       sprintf(name, "%s", text);
5016
5017       setString(&ti->identifier, identifier);
5018       setString(&ti->name, name);
5019       setString(&ti->name_sorting, name);
5020       setString(&ti->infotext, "Control Type");
5021
5022       pushTreeInfo(&touch_controls, ti);
5023     }
5024
5025     /* sort touch control values to start with lowest touch control value */
5026     sortTreeInfo(&touch_controls);
5027
5028     /* set current touch control value to configured touch control value */
5029     touch_control_current =
5030       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5031
5032     /* if that fails, set current touch control to reliable default value */
5033     if (touch_control_current == NULL)
5034       touch_control_current =
5035         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5036
5037     /* if that also fails, set current touch control to first available value */
5038     if (touch_control_current == NULL)
5039       touch_control_current = touch_controls;
5040   }
5041
5042   if (move_distances == NULL)
5043   {
5044     int i;
5045
5046     for (i = 0; distances_list[i].value != -1; i++)
5047     {
5048       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5049       char identifier[32], name[32];
5050       int value = distances_list[i].value;
5051       char *text = distances_list[i].text;
5052
5053       ti->node_top = &move_distances;
5054       ti->sort_priority = value;
5055
5056       sprintf(identifier, "%d", value);
5057       sprintf(name, "%s", text);
5058
5059       setString(&ti->identifier, identifier);
5060       setString(&ti->name, name);
5061       setString(&ti->name_sorting, name);
5062       setString(&ti->infotext, "Move Distance");
5063
5064       pushTreeInfo(&move_distances, ti);
5065     }
5066
5067     /* sort distance values to start with lowest distance value */
5068     sortTreeInfo(&move_distances);
5069
5070     /* set current distance value to configured distance value */
5071     move_distance_current =
5072       getTreeInfoFromIdentifier(move_distances,
5073                                 i_to_a(setup.touch.move_distance));
5074
5075     /* if that fails, set current distance to reliable default value */
5076     if (move_distance_current == NULL)
5077       move_distance_current =
5078         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5079
5080     /* if that also fails, set current distance to first available value */
5081     if (move_distance_current == NULL)
5082       move_distance_current = move_distances;
5083   }
5084
5085   if (drop_distances == NULL)
5086   {
5087     int i;
5088
5089     for (i = 0; distances_list[i].value != -1; i++)
5090     {
5091       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5092       char identifier[32], name[32];
5093       int value = distances_list[i].value;
5094       char *text = distances_list[i].text;
5095
5096       ti->node_top = &drop_distances;
5097       ti->sort_priority = value;
5098
5099       sprintf(identifier, "%d", value);
5100       sprintf(name, "%s", text);
5101
5102       setString(&ti->identifier, identifier);
5103       setString(&ti->name, name);
5104       setString(&ti->name_sorting, name);
5105       setString(&ti->infotext, "Drop Distance");
5106
5107       pushTreeInfo(&drop_distances, ti);
5108     }
5109
5110     /* sort distance values to start with lowest distance value */
5111     sortTreeInfo(&drop_distances);
5112
5113     /* set current distance value to configured distance value */
5114     drop_distance_current =
5115       getTreeInfoFromIdentifier(drop_distances,
5116                                 i_to_a(setup.touch.drop_distance));
5117
5118     /* if that fails, set current distance to reliable default value */
5119     if (drop_distance_current == NULL)
5120       drop_distance_current =
5121         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5122
5123     /* if that also fails, set current distance to first available value */
5124     if (drop_distance_current == NULL)
5125       drop_distance_current = drop_distances;
5126   }
5127
5128   setup.touch.control_type = touch_control_current->identifier;
5129   setup.touch.move_distance = atoi(move_distance_current->identifier);
5130   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5131
5132   /* needed for displaying volume text instead of identifier */
5133   touch_controls_text = touch_control_current->name;
5134   move_distance_text = move_distance_current->name;
5135   drop_distance_text = drop_distance_current->name;
5136
5137   setup_mode = SETUP_MODE_TOUCH;
5138
5139   DrawSetupScreen();
5140 }
5141
5142 static void execSetupArtwork()
5143 {
5144 #if 0
5145   printf("::: '%s', '%s', '%s'\n",
5146          artwork.gfx_current->subdir,
5147          artwork.gfx_current->fullpath,
5148          artwork.gfx_current->basepath);
5149 #endif
5150
5151   setup.graphics_set = artwork.gfx_current->identifier;
5152   setup.sounds_set = artwork.snd_current->identifier;
5153   setup.music_set = artwork.mus_current->identifier;
5154
5155   /* needed if last screen (setup choice) changed graphics, sounds or music */
5156   ReloadCustomArtwork(0);
5157
5158   /* needed for displaying artwork name instead of artwork identifier */
5159   graphics_set_name = artwork.gfx_current->name;
5160   sounds_set_name = artwork.snd_current->name;
5161   music_set_name = artwork.mus_current->name;
5162
5163   setup_mode = SETUP_MODE_ARTWORK;
5164
5165   DrawSetupScreen();
5166 }
5167
5168 static void execSetupChooseGraphics()
5169 {
5170   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5171
5172   DrawSetupScreen();
5173 }
5174
5175 static void execSetupChooseSounds()
5176 {
5177   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5178
5179   DrawSetupScreen();
5180 }
5181
5182 static void execSetupChooseMusic()
5183 {
5184   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5185
5186   DrawSetupScreen();
5187 }
5188
5189 #if !defined(PLATFORM_ANDROID)
5190 static void execSetupInput()
5191 {
5192   setup_mode = SETUP_MODE_INPUT;
5193
5194   DrawSetupScreen();
5195 }
5196 #endif
5197
5198 static void execSetupShortcuts()
5199 {
5200   setup_mode = SETUP_MODE_SHORTCUTS;
5201
5202   DrawSetupScreen();
5203 }
5204
5205 static void execSetupShortcuts1()
5206 {
5207   setup_mode = SETUP_MODE_SHORTCUTS_1;
5208
5209   DrawSetupScreen();
5210 }
5211
5212 static void execSetupShortcuts2()
5213 {
5214   setup_mode = SETUP_MODE_SHORTCUTS_2;
5215
5216   DrawSetupScreen();
5217 }
5218
5219 static void execSetupShortcuts3()
5220 {
5221   setup_mode = SETUP_MODE_SHORTCUTS_3;
5222
5223   DrawSetupScreen();
5224 }
5225
5226 static void execSetupShortcuts4()
5227 {
5228   setup_mode = SETUP_MODE_SHORTCUTS_4;
5229
5230   DrawSetupScreen();
5231 }
5232
5233 static void execSetupShortcuts5()
5234 {
5235   setup_mode = SETUP_MODE_SHORTCUTS_5;
5236
5237   DrawSetupScreen();
5238 }
5239
5240 static void execExitSetup()
5241 {
5242   SetGameStatus(GAME_MODE_MAIN);
5243
5244   DrawMainMenu();
5245 }
5246
5247 static void execSaveAndExitSetup()
5248 {
5249   SaveSetup();
5250   execExitSetup();
5251 }
5252
5253 static struct TokenInfo setup_info_main[] =
5254 {
5255   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5256   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5257   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5258   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5259   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5260 #if !defined(PLATFORM_ANDROID)
5261   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5262   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5263 #else
5264   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5265 #endif
5266   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5267   { TYPE_EMPTY,         NULL,                   ""                      },
5268   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5269   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5270
5271   { 0,                  NULL,                   NULL                    }
5272 };
5273
5274 static struct TokenInfo setup_info_game[] =
5275 {
5276   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5277   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5278   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5279   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5280   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5281   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5282   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5283   { TYPE_STRING,        &game_speed_text,       ""                      },
5284 #if 1
5285   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5286   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5287 #endif
5288   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5289   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5290   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5291   { TYPE_EMPTY,         NULL,                   ""                      },
5292   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5293
5294   { 0,                  NULL,                   NULL                    }
5295 };
5296
5297 static struct TokenInfo setup_info_editor[] =
5298 {
5299 #if 0
5300   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5301   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5302   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5303   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5304   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5305   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5306   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5307   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5308 #endif
5309   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5310   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5311   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5312 #if 0
5313   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5314 #endif
5315   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5316   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5317   { TYPE_EMPTY,         NULL,                   ""                      },
5318 #if 0
5319   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5320   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5321   { TYPE_EMPTY,         NULL,                   ""                      },
5322 #endif
5323   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5324   { TYPE_EMPTY,         NULL,                   ""                      },
5325   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5326
5327   { 0,                  NULL,                   NULL                    }
5328 };
5329
5330 static struct TokenInfo setup_info_graphics[] =
5331 {
5332 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
5333   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5334   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5335   { TYPE_STRING,        &window_size_text,      ""                      },
5336   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5337   { TYPE_STRING,        &scaling_type_text,     ""                      },
5338   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
5339   { TYPE_STRING,        &rendering_mode_text,   ""                      },
5340 #endif
5341 #if 0
5342   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5343   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5344 #endif
5345   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5346   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5347   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5348   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5349   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5350   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5351   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5352   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5353   { TYPE_EMPTY,         NULL,                   ""                      },
5354   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5355
5356   { 0,                  NULL,                   NULL                    }
5357 };
5358
5359 static struct TokenInfo setup_info_sound[] =
5360 {
5361   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5362   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5363   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5364   { TYPE_EMPTY,         NULL,                   ""                      },
5365   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5366   { TYPE_STRING,        &volume_simple_text,    ""                      },
5367   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5368   { TYPE_STRING,        &volume_loops_text,     ""                      },
5369   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5370   { TYPE_STRING,        &volume_music_text,     ""                      },
5371   { TYPE_EMPTY,         NULL,                   ""                      },
5372   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5373
5374   { 0,                  NULL,                   NULL                    }
5375 };
5376
5377 static struct TokenInfo setup_info_artwork[] =
5378 {
5379   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5380   { TYPE_STRING,        &graphics_set_name,     ""                      },
5381   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5382   { TYPE_STRING,        &sounds_set_name,       ""                      },
5383   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5384   { TYPE_STRING,        &music_set_name,        ""                      },
5385   { TYPE_EMPTY,         NULL,                   ""                      },
5386   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5387   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5388   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5389   { TYPE_EMPTY,         NULL,                   ""                      },
5390   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5391
5392   { 0,                  NULL,                   NULL                    }
5393 };
5394
5395 static struct TokenInfo setup_info_input[] =
5396 {
5397   { TYPE_SWITCH,        NULL,                   "Player:"               },
5398   { TYPE_SWITCH,        NULL,                   "Device:"               },
5399   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5400   { TYPE_EMPTY,         NULL,                   ""                      },
5401   { TYPE_EMPTY,         NULL,                   ""                      },
5402   { TYPE_EMPTY,         NULL,                   ""                      },
5403   { TYPE_EMPTY,         NULL,                   ""                      },
5404   { TYPE_EMPTY,         NULL,                   ""                      },
5405   { TYPE_EMPTY,         NULL,                   ""                      },
5406   { TYPE_EMPTY,         NULL,                   ""                      },
5407   { TYPE_EMPTY,         NULL,                   ""                      },
5408   { TYPE_EMPTY,         NULL,                   ""                      },
5409   { TYPE_EMPTY,         NULL,                   ""                      },
5410   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5411
5412   { 0,                  NULL,                   NULL                    }
5413 };
5414
5415 static struct TokenInfo setup_info_touch[] =
5416 {
5417   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5418   { TYPE_STRING,        &touch_controls_text,   ""                      },
5419   { TYPE_EMPTY,         NULL,                   ""                      },
5420   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5421   { TYPE_STRING,        &move_distance_text,    ""                      },
5422   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5423   { TYPE_STRING,        &drop_distance_text,    ""                      },
5424   { TYPE_EMPTY,         NULL,                   ""                      },
5425   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5426
5427   { 0,                  NULL,                   NULL                    }
5428 };
5429
5430 static struct TokenInfo setup_info_shortcuts[] =
5431 {
5432   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5433   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5434   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5435   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5436   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5437   { TYPE_EMPTY,         NULL,                   ""                      },
5438   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5439
5440   { 0,                  NULL,                   NULL                    }
5441 };
5442
5443 static struct TokenInfo setup_info_shortcuts_1[] =
5444 {
5445   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5446   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5447   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5448   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5449   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5450   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5451   { TYPE_EMPTY,         NULL,                   ""                      },
5452   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5453   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5454   { TYPE_EMPTY,         NULL,                   ""                      },
5455   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5456
5457   { 0,                  NULL,                   NULL                    }
5458 };
5459
5460 static struct TokenInfo setup_info_shortcuts_2[] =
5461 {
5462   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5463   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5464   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5465   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5466   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5467   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5468   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5469   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5470   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5471   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5472   { TYPE_EMPTY,         NULL,                   ""                      },
5473   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5474
5475   { 0,                  NULL,                   NULL                    }
5476 };
5477
5478 static struct TokenInfo setup_info_shortcuts_3[] =
5479 {
5480   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5481   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5482   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5483   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5484   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5485   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5486   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5487   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5488   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5489   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5490   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5491   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5492   { TYPE_EMPTY,         NULL,                   ""                      },
5493   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5494
5495   { 0,                  NULL,                   NULL                    }
5496 };
5497
5498 static struct TokenInfo setup_info_shortcuts_4[] =
5499 {
5500   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5501   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5502   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5503   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5504   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5505   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5506   { TYPE_EMPTY,         NULL,                   ""                      },
5507   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5508
5509   { 0,                  NULL,                   NULL                    }
5510 };
5511
5512 static struct TokenInfo setup_info_shortcuts_5[] =
5513 {
5514   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5515   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5516   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5517   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5518   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5519   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5520   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5521   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5522   { TYPE_EMPTY,         NULL,                   ""                      },
5523   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5524
5525   { 0,                  NULL,                   NULL                    }
5526 };
5527
5528 static Key getSetupKey()
5529 {
5530   Key key = KSYM_UNDEFINED;
5531   boolean got_key_event = FALSE;
5532
5533   while (!got_key_event)
5534   {
5535     if (PendingEvent())         /* got event */
5536     {
5537       Event event;
5538
5539       NextEvent(&event);
5540
5541       switch (event.type)
5542       {
5543         case EVENT_KEYPRESS:
5544           {
5545             key = GetEventKey((KeyEvent *)&event, TRUE);
5546
5547             /* press 'Escape' or 'Enter' to keep the existing key binding */
5548             if (key == KSYM_Escape || key == KSYM_Return)
5549               key = KSYM_UNDEFINED;     /* keep old value */
5550
5551             got_key_event = TRUE;
5552           }
5553           break;
5554
5555         case EVENT_KEYRELEASE:
5556           key_joystick_mapping = 0;
5557           break;
5558
5559         default:
5560           HandleOtherEvents(&event);
5561           break;
5562       }
5563     }
5564
5565     BackToFront();
5566   }
5567
5568   return key;
5569 }
5570
5571 static int getSetupValueFont(int type, void *value)
5572 {
5573   if (type & TYPE_KEY)
5574     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5575   else if (type & TYPE_STRING)
5576     return FONT_VALUE_2;
5577   else if (type & TYPE_ECS_AGA)
5578     return FONT_VALUE_1;
5579   else if (type & TYPE_BOOLEAN_STYLE)
5580     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5581   else if (type & TYPE_YES_NO_AUTO)
5582     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5583             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5584   else
5585     return FONT_VALUE_1;
5586 }
5587
5588 static int getSetupValueFontNarrow(int type, int font_nr)
5589 {
5590   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
5591           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
5592           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
5593           font_nr);
5594 }
5595
5596 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5597 {
5598   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5599   struct TokenInfo *si = &setup_info[si_pos];
5600   boolean font_draw_xoffset_modified = FALSE;
5601   boolean scrollbar_needed = (num_setup_info < max_setup_info);
5602   int font_draw_xoffset_old = -1;
5603   int xoffset = (scrollbar_needed ? -1 : 0);
5604   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5605   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5606   int xpos = menu_screen_value_xpos;
5607   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5608   int startx = mSX + xpos * 32;
5609   int starty = mSY + ypos * 32;
5610   int font_nr, font_nr_default, font_width_default;
5611   int type = si->type;
5612   void *value = si->value;
5613   char *value_string = getSetupValue(type, value);
5614   int i;
5615
5616   if (value_string == NULL)
5617     return;
5618
5619   if (type & TYPE_KEY)
5620   {
5621     xpos = MENU_SCREEN_START_XPOS;
5622
5623     if (type & TYPE_QUERY)
5624       value_string = "<press key>";
5625   }
5626   else if (type & TYPE_STRING)
5627   {
5628     int max_value_len = (SCR_FIELDX - 2) * 2;
5629
5630     xpos = MENU_SCREEN_START_XPOS;
5631
5632     if (strlen(value_string) > max_value_len)
5633       value_string[max_value_len] = '\0';
5634   }
5635   else if (type & TYPE_YES_NO_AUTO)
5636   {
5637     xpos = menu_screen_value_xpos - 1;
5638   }
5639
5640   startx = mSX + xpos * 32;
5641   starty = mSY + ypos * 32;
5642   font_nr_default = getSetupValueFont(type, value);
5643   font_width_default = getFontWidth(font_nr_default);
5644
5645   font_nr = font_nr_default;
5646
5647   // special check if right-side setup values moved left due to scrollbar
5648   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
5649   {
5650     int max_menu_text_length = 26;      // maximum text length for classic menu
5651     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5652     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5653     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5654     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5655     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
5656
5657     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
5658     {
5659       xpos += 1;
5660       startx = mSX + xpos * 32;
5661
5662       font_nr = getSetupValueFontNarrow(type, font_nr);
5663     }
5664   }
5665
5666   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5667   if (setup_mode != SETUP_MODE_INPUT)
5668   {
5669     int max_menu_text_length_big = (menu_screen_value_xpos -
5670                                     MENU_SCREEN_START_XPOS);
5671     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5672     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5673     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5674     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5675     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5676     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5677     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5678     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5679     boolean correct_font_draw_xoffset = FALSE;
5680
5681     if (xpos == MENU_SCREEN_START_XPOS &&
5682         startx + font1_xoffset < text_startx + text_font_xoffset)
5683       correct_font_draw_xoffset = TRUE;
5684
5685     if (xpos == menu_screen_value_xpos &&
5686         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5687       correct_font_draw_xoffset = TRUE;
5688
5689     /* check if setup value would overlap with setup text when printed */
5690     /* (this can happen for extreme/wrong values for font draw offset) */
5691     if (correct_font_draw_xoffset)
5692     {
5693       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5694       font_draw_xoffset_modified = TRUE;
5695
5696       if (type & TYPE_KEY)
5697         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5698       else if (!(type & TYPE_STRING))
5699         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5700           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5701     }
5702   }
5703
5704   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5705     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
5706
5707   DrawText(startx, starty, value_string, font_nr);
5708
5709   if (font_draw_xoffset_modified)
5710     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5711 }
5712
5713 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5714 {
5715   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5716   struct TokenInfo *si = &setup_info[si_pos];
5717
5718   if (si->type & TYPE_BOOLEAN_STYLE)
5719   {
5720     *(boolean *)si->value ^= TRUE;
5721   }
5722   else if (si->type & TYPE_YES_NO_AUTO)
5723   {
5724     *(int *)si->value =
5725       (dx == -1 ?
5726        (*(int *)si->value == AUTO ? TRUE :
5727         *(int *)si->value == TRUE ? FALSE : AUTO) :
5728        (*(int *)si->value == TRUE ? AUTO :
5729         *(int *)si->value == AUTO ? FALSE : TRUE));
5730   }
5731   else if (si->type & TYPE_KEY)
5732   {
5733     Key key;
5734
5735     si->type |= TYPE_QUERY;
5736     drawSetupValue(screen_pos, setup_info_pos_raw);
5737     si->type &= ~TYPE_QUERY;
5738
5739     key = getSetupKey();
5740     if (key != KSYM_UNDEFINED)
5741       *(Key *)si->value = key;
5742   }
5743
5744   drawSetupValue(screen_pos, setup_info_pos_raw);
5745
5746   // fullscreen state may have changed at this point
5747   if (si->value == &setup.fullscreen)
5748     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5749 }
5750
5751 static void DrawSetupScreen_Generic()
5752 {
5753   int fade_mask = REDRAW_FIELD;
5754   boolean redraw_all = FALSE;
5755   char *title_string = NULL;
5756   int i;
5757
5758   if (CheckIfGlobalBorderHasChanged())
5759     fade_mask = REDRAW_ALL;
5760
5761   UnmapAllGadgets();
5762   FadeSoundsAndMusic();
5763
5764   FreeScreenGadgets();
5765   CreateScreenGadgets();
5766
5767   if (redraw_mask & REDRAW_ALL)
5768     redraw_all = TRUE;
5769
5770   FadeOut(fade_mask);
5771
5772   /* needed if different viewport properties defined for setup screen */
5773   ChangeViewportPropertiesIfNeeded();
5774
5775   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
5776
5777   ClearField();
5778
5779   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5780
5781   if (setup_mode == SETUP_MODE_MAIN)
5782   {
5783     setup_info = setup_info_main;
5784     title_string = "Setup";
5785   }
5786   else if (setup_mode == SETUP_MODE_GAME)
5787   {
5788     setup_info = setup_info_game;
5789     title_string = "Setup Game";
5790   }
5791   else if (setup_mode == SETUP_MODE_EDITOR)
5792   {
5793     setup_info = setup_info_editor;
5794     title_string = "Setup Editor";
5795   }
5796   else if (setup_mode == SETUP_MODE_GRAPHICS)
5797   {
5798     setup_info = setup_info_graphics;
5799     title_string = "Setup Graphics";
5800   }
5801   else if (setup_mode == SETUP_MODE_SOUND)
5802   {
5803     setup_info = setup_info_sound;
5804     title_string = "Setup Sound";
5805   }
5806   else if (setup_mode == SETUP_MODE_ARTWORK)
5807   {
5808     setup_info = setup_info_artwork;
5809     title_string = "Custom Artwork";
5810   }
5811   else if (setup_mode == SETUP_MODE_TOUCH)
5812   {
5813     setup_info = setup_info_touch;
5814     title_string = "Setup Touch Ctrls";
5815   }
5816   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5817   {
5818     setup_info = setup_info_shortcuts;
5819     title_string = "Setup Shortcuts";
5820   }
5821   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5822   {
5823     setup_info = setup_info_shortcuts_1;
5824     title_string = "Setup Shortcuts";
5825   }
5826   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5827   {
5828     setup_info = setup_info_shortcuts_2;
5829     title_string = "Setup Shortcuts";
5830   }
5831   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5832   {
5833     setup_info = setup_info_shortcuts_3;
5834     title_string = "Setup Shortcuts";
5835   }
5836   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5837   {
5838     setup_info = setup_info_shortcuts_4;
5839     title_string = "Setup Shortcuts";
5840   }
5841   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5842   {
5843     setup_info = setup_info_shortcuts_5;
5844     title_string = "Setup Shortcuts";
5845   }
5846
5847   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5848
5849   // determine maximal number of setup entries that can be displayed on screen
5850   num_setup_info = 0;
5851   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5852     num_setup_info++;
5853
5854   // determine maximal number of setup entries available for this setup screen
5855   max_setup_info = 0;
5856   for (i = 0; setup_info[i].type != 0; i++)
5857     max_setup_info++;
5858
5859   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5860
5861   MapScreenGadgets(max_setup_info);
5862
5863   if (redraw_all)
5864     redraw_mask = fade_mask = REDRAW_ALL;
5865
5866   DrawMaskedBorder(fade_mask);
5867
5868   FadeIn(fade_mask);
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
5918 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5919 {
5920   if (device_name == NULL)
5921     return;
5922
5923   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5924     device_nr = 0;
5925
5926   if (strlen(device_name) > 1)
5927   {
5928     char c1 = device_name[strlen(device_name) - 1];
5929     char c2 = device_name[strlen(device_name) - 2];
5930
5931     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5932       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5933   }
5934   else
5935     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5936             strlen(device_name));
5937 }
5938
5939 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5940 {
5941   int i;
5942   static struct SetupKeyboardInfo custom_key;
5943   static struct
5944   {
5945     Key *key;
5946     char *text;
5947   } custom[] =
5948   {
5949     { &custom_key.left,  "Joystick Left"  },
5950     { &custom_key.right, "Joystick Right" },
5951     { &custom_key.up,    "Joystick Up"    },
5952     { &custom_key.down,  "Joystick Down"  },
5953     { &custom_key.snap,  "Button 1"       },
5954     { &custom_key.drop,  "Button 2"       }
5955   };
5956   static char *joystick_name[MAX_PLAYERS] =
5957   {
5958     "Joystick1",
5959     "Joystick2",
5960     "Joystick3",
5961     "Joystick4"
5962   };
5963   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5964
5965   InitJoysticks();
5966
5967   custom_key = setup.input[player_nr].key;
5968
5969   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5970            FONT_INPUT_1_ACTIVE);
5971
5972   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5973                              TILEX, TILEY);
5974   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5975                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5976
5977   if (setup.input[player_nr].use_joystick)
5978   {
5979     char *device_name = setup.input[player_nr].joy.device_name;
5980     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
5981     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
5982
5983     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
5984     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
5985   }
5986   else
5987   {
5988     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
5989     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
5990   }
5991
5992   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
5993
5994   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
5995   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
5996   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
5997   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
5998
5999   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6000   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6001   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6002   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6003   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6004   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6005
6006   for (i = 0; i < 6; i++)
6007   {
6008     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6009
6010     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6011              "              ", FONT_VALUE_1);
6012     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6013              (setup.input[player_nr].use_joystick ?
6014               custom[i].text :
6015               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6016   }
6017 }
6018
6019 static int input_player_nr = 0;
6020
6021 void HandleSetupScreen_Input_Player(int step, int direction)
6022 {
6023   int old_player_nr = input_player_nr;
6024   int new_player_nr;
6025
6026   new_player_nr = old_player_nr + step * direction;
6027   if (new_player_nr < 0)
6028     new_player_nr = 0;
6029   if (new_player_nr > MAX_PLAYERS - 1)
6030     new_player_nr = MAX_PLAYERS - 1;
6031
6032   if (new_player_nr != old_player_nr)
6033   {
6034     input_player_nr = new_player_nr;
6035
6036     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6037   }
6038 }
6039
6040 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6041 {
6042   static int choice = 0;
6043   int x = 0;
6044   int y = choice;
6045   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6046   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6047   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6048   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6049
6050   if (button == MB_MENU_INITIALIZE)
6051   {
6052     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6053
6054     DrawCursorAndText_Setup(choice, -1, TRUE);
6055
6056     return;
6057   }
6058   else if (button == MB_MENU_LEAVE)
6059   {
6060     setup_mode = SETUP_MODE_MAIN;
6061     DrawSetupScreen();
6062     InitJoysticks();
6063
6064     return;
6065   }
6066
6067   if (mx || my)         /* mouse input */
6068   {
6069     x = (mx - mSX) / 32;
6070     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6071   }
6072   else if (dx || dy)    /* keyboard input */
6073   {
6074     if (dx && choice == 0)
6075       x = (dx < 0 ? 10 : 12);
6076     else if ((dx && choice == 1) ||
6077              (dx == +1 && choice == 2) ||
6078              (dx == -1 && choice == pos_end))
6079       button = MB_MENU_CHOICE;
6080     else if (dy)
6081       y = choice + dy;
6082
6083     if (y >= pos_empty1 && y <= pos_empty2)
6084       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6085   }
6086
6087   if (y == 0 && dx != 0 && button)
6088   {
6089     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6090   }
6091   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6092            y >= pos_start && y <= pos_end &&
6093            !(y >= pos_empty1 && y <= pos_empty2))
6094   {
6095     if (button)
6096     {
6097       if (y != choice)
6098       {
6099         DrawCursorAndText_Setup(choice, -1, FALSE);
6100         DrawCursorAndText_Setup(y, -1, TRUE);
6101
6102         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6103
6104         choice = y;
6105       }
6106     }
6107     else
6108     {
6109       if (y == 1)
6110       {
6111         char *device_name = setup.input[input_player_nr].joy.device_name;
6112
6113         if (!setup.input[input_player_nr].use_joystick)
6114         {
6115           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6116
6117           setJoystickDeviceToNr(device_name, new_device_nr);
6118           setup.input[input_player_nr].use_joystick = TRUE;
6119         }
6120         else
6121         {
6122           int device_nr = getJoystickNrFromDeviceName(device_name);
6123           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6124
6125           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6126             setup.input[input_player_nr].use_joystick = FALSE;
6127           else
6128             setJoystickDeviceToNr(device_name, new_device_nr);
6129         }
6130
6131         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6132       }
6133       else if (y == 2)
6134       {
6135         if (setup.input[input_player_nr].use_joystick)
6136         {
6137           InitJoysticks();
6138           CalibrateJoystick(input_player_nr);
6139         }
6140         else
6141           CustomizeKeyboard(input_player_nr);
6142       }
6143       else if (y == pos_end)
6144       {
6145         InitJoysticks();
6146
6147         FadeSetLeaveMenu();
6148
6149         setup_mode = SETUP_MODE_MAIN;
6150         DrawSetupScreen();
6151       }
6152     }
6153   }
6154 }
6155
6156 void CustomizeKeyboard(int player_nr)
6157 {
6158   int i;
6159   int step_nr;
6160   boolean finished = FALSE;
6161   static struct SetupKeyboardInfo custom_key;
6162   static struct
6163   {
6164     Key *key;
6165     char *text;
6166   } customize_step[] =
6167   {
6168     { &custom_key.left,  "Move Left"    },
6169     { &custom_key.right, "Move Right"   },
6170     { &custom_key.up,    "Move Up"      },
6171     { &custom_key.down,  "Move Down"    },
6172     { &custom_key.snap,  "Snap Field"   },
6173     { &custom_key.drop,  "Drop Element" }
6174   };
6175
6176   /* read existing key bindings from player setup */
6177   custom_key = setup.input[player_nr].key;
6178
6179   FadeSetEnterMenu();
6180   FadeOut(REDRAW_FIELD);
6181
6182   ClearField();
6183
6184   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6185
6186   step_nr = 0;
6187   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6188            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6189   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6190            "Key:", FONT_INPUT_1_ACTIVE);
6191   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6192            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6193
6194   FadeIn(REDRAW_FIELD);
6195
6196   while (!finished)
6197   {
6198     if (PendingEvent())         /* got event */
6199     {
6200       Event event;
6201
6202       NextEvent(&event);
6203
6204       switch (event.type)
6205       {
6206         case EVENT_KEYPRESS:
6207           {
6208             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6209
6210             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6211             {
6212               if (key == KSYM_Escape)
6213                 FadeSkipNextFadeIn();
6214
6215               finished = TRUE;
6216               break;
6217             }
6218
6219             /* all keys configured -- wait for "Escape" or "Return" key */
6220             if (step_nr == 6)
6221               break;
6222
6223             /* press 'Enter' to keep the existing key binding */
6224             if (key == KSYM_Return)
6225               key = *customize_step[step_nr].key;
6226
6227             /* check if key already used */
6228             for (i = 0; i < step_nr; i++)
6229               if (*customize_step[i].key == key)
6230                 break;
6231             if (i < step_nr)
6232               break;
6233
6234             /* got new key binding */
6235             *customize_step[step_nr].key = key;
6236             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6237                      "             ", FONT_VALUE_1);
6238             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6239                      getKeyNameFromKey(key), FONT_VALUE_1);
6240             step_nr++;
6241
6242             /* un-highlight last query */
6243             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6244                      customize_step[step_nr - 1].text, FONT_MENU_1);
6245             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6246                      "Key:", FONT_MENU_1);
6247
6248             /* press 'Enter' to leave */
6249             if (step_nr == 6)
6250             {
6251               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6252                        "Press Enter", FONT_TITLE_1);
6253               break;
6254             }
6255
6256             /* query next key binding */
6257             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6258                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6259             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6260                      "Key:", FONT_INPUT_1_ACTIVE);
6261             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6262                      getKeyNameFromKey(*customize_step[step_nr].key),
6263                      FONT_VALUE_OLD);
6264           }
6265           break;
6266
6267         case EVENT_KEYRELEASE:
6268           key_joystick_mapping = 0;
6269           break;
6270
6271         default:
6272           HandleOtherEvents(&event);
6273           break;
6274       }
6275     }
6276
6277     BackToFront();
6278   }
6279
6280   /* write new key bindings back to player setup */
6281   setup.input[player_nr].key = custom_key;
6282
6283   DrawSetupScreen_Input();
6284 }
6285
6286 static boolean CalibrateJoystickMain(int player_nr)
6287 {
6288   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6289   int new_joystick_xright = JOYSTICK_XMIDDLE;
6290   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6291   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6292   int new_joystick_xmiddle, new_joystick_ymiddle;
6293
6294   int joystick_fd = joystick.fd[player_nr];
6295   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6296   boolean check[3][3];
6297   int check_remaining = 3 * 3;
6298   int joy_x, joy_y;
6299   int joy_value;
6300   int result = -1;
6301
6302   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6303     return FALSE;
6304
6305   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6306     return FALSE;
6307
6308   FadeSetEnterMenu();
6309   FadeOut(REDRAW_FIELD);
6310
6311   ClearField();
6312
6313   for (y = 0; y < 3; y++)
6314   {
6315     for (x = 0; x < 3; x++)
6316     {
6317       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6318       check[x][y] = FALSE;
6319     }
6320   }
6321
6322   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6323   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6324   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6325   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6326   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6327   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6328   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6329
6330   joy_value = Joystick(player_nr);
6331   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6332   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6333
6334   /* eventually uncalibrated center position (joystick could be uncentered) */
6335   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6336     return FALSE;
6337
6338   new_joystick_xmiddle = joy_x;
6339   new_joystick_ymiddle = joy_y;
6340
6341   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6342
6343   FadeIn(REDRAW_FIELD);
6344
6345   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6346
6347   while (result < 0)
6348   {
6349     if (PendingEvent())         /* got event */
6350     {
6351       Event event;
6352
6353       NextEvent(&event);
6354
6355       switch (event.type)
6356       {
6357         case EVENT_KEYPRESS:
6358           switch (GetEventKey((KeyEvent *)&event, TRUE))
6359           {
6360             case KSYM_Return:
6361               if (check_remaining == 0)
6362                 result = 1;
6363               break;
6364
6365             case KSYM_Escape:
6366               FadeSkipNextFadeIn();
6367               result = 0;
6368               break;
6369
6370             default:
6371               break;
6372           }
6373           break;
6374
6375         case EVENT_KEYRELEASE:
6376           key_joystick_mapping = 0;
6377           break;
6378
6379         default:
6380           HandleOtherEvents(&event);
6381           break;
6382       }
6383     }
6384
6385     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6386       return FALSE;
6387
6388     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6389     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6390     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6391     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6392
6393     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6394     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6395     setup.input[player_nr].joy.xright = new_joystick_xright;
6396     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6397     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6398     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6399
6400     CheckJoystickData();
6401
6402     joy_value = Joystick(player_nr);
6403
6404     if (joy_value & JOY_BUTTON && check_remaining == 0)
6405       result = 1;
6406
6407     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6408     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6409
6410     if (x != last_x || y != last_y)
6411     {
6412       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6413                        IMG_MENU_CALIBRATE_YELLOW, 0);
6414       DrawFixedGraphic(xpos + x,      ypos + y,
6415                        IMG_MENU_CALIBRATE_RED,    0);
6416
6417       last_x = x;
6418       last_y = y;
6419
6420       if (check_remaining > 0 && !check[x+1][y+1])
6421       {
6422         check[x+1][y+1] = TRUE;
6423         check_remaining--;
6424       }
6425     }
6426
6427     BackToFront();
6428   }
6429
6430   /* calibrated center position (joystick should now be centered) */
6431   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6432     return FALSE;
6433
6434   new_joystick_xmiddle = joy_x;
6435   new_joystick_ymiddle = joy_y;
6436
6437   /* wait until the last pressed button was released */
6438   while (Joystick(player_nr) & JOY_BUTTON)
6439   {
6440     if (PendingEvent())         /* got event */
6441     {
6442       Event event;
6443
6444       NextEvent(&event);
6445       HandleOtherEvents(&event);
6446
6447       BackToFront();
6448     }
6449   }
6450
6451   return TRUE;
6452 }
6453
6454 void CalibrateJoystick(int player_nr)
6455 {
6456   if (!CalibrateJoystickMain(player_nr))
6457   {
6458     char *device_name = setup.input[player_nr].joy.device_name;
6459     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6460     int xpos = mSX - SX;
6461     int ypos = mSY - SY;
6462
6463     ClearField();
6464
6465     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6466     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6467     BackToFront();
6468
6469     Delay(2000);                /* show error message for a short time */
6470
6471     ClearEventQueue();
6472   }
6473
6474   DrawSetupScreen_Input();
6475 }
6476
6477 void DrawSetupScreen()
6478 {
6479   DeactivateJoystick();
6480
6481   if (setup_mode == SETUP_MODE_INPUT)
6482     DrawSetupScreen_Input();
6483   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6484     DrawChooseTree(&game_speed_current);
6485   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6486     DrawChooseTree(&scroll_delay_current);
6487   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6488     DrawChooseTree(&snapshot_mode_current);
6489   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6490     DrawChooseTree(&window_size_current);
6491   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6492     DrawChooseTree(&scaling_type_current);
6493   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6494     DrawChooseTree(&rendering_mode_current);
6495   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6496     DrawChooseTree(&artwork.gfx_current);
6497   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6498     DrawChooseTree(&artwork.snd_current);
6499   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6500     DrawChooseTree(&artwork.mus_current);
6501   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6502     DrawChooseTree(&volume_simple_current);
6503   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6504     DrawChooseTree(&volume_loops_current);
6505   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6506     DrawChooseTree(&volume_music_current);
6507   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6508     DrawChooseTree(&touch_control_current);
6509   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6510     DrawChooseTree(&move_distance_current);
6511   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6512     DrawChooseTree(&drop_distance_current);
6513   else
6514     DrawSetupScreen_Generic();
6515
6516   PlayMenuSound();
6517   PlayMenuMusic();
6518 }
6519
6520 void RedrawSetupScreenAfterFullscreenToggle()
6521 {
6522   if (setup_mode == SETUP_MODE_GRAPHICS ||
6523       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6524   {
6525     // update list selection from "setup.window_scaling_percent"
6526     execSetupGraphics_setWindowSizes(TRUE);
6527
6528     DrawSetupScreen();
6529   }
6530 }
6531
6532 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6533 {
6534   if (setup_mode == SETUP_MODE_INPUT)
6535     HandleSetupScreen_Input(mx, my, dx, dy, button);
6536   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6537     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6538   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6539     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6540   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6541     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6542   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6543     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6544   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6545     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6546   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6547     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
6548   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6549     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6550   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6551     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6552   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6553     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6554   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6555     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6556   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6557     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6558   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6559     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6560   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6561     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6562   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6563     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6564   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6565     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6566   else
6567     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6568 }
6569
6570 void HandleGameActions()
6571 {
6572   if (game_status != GAME_MODE_PLAYING)
6573     return;
6574
6575   GameActions();        /* main game loop */
6576
6577   if (tape.auto_play && !tape.playing)
6578     AutoPlayTape();     /* continue automatically playing next tape */
6579 }
6580
6581
6582 /* ---------- new screen button stuff -------------------------------------- */
6583
6584 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6585 {
6586   switch (gadget_id)
6587   {
6588     case SCREEN_CTRL_ID_PREV_LEVEL:
6589       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6590       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6591       break;
6592
6593     case SCREEN_CTRL_ID_NEXT_LEVEL:
6594       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6595       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6596       break;
6597
6598     case SCREEN_CTRL_ID_PREV_PLAYER:
6599       *x = mSX + TILEX * 10;
6600       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6601       break;
6602
6603     case SCREEN_CTRL_ID_NEXT_PLAYER:
6604       *x = mSX + TILEX * 12;
6605       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6606       break;
6607
6608     default:
6609       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6610   }
6611 }
6612
6613 static struct
6614 {
6615   int gfx_unpressed, gfx_pressed;
6616   void (*get_gadget_position)(int *, int *, int);
6617   int gadget_id;
6618   int screen_mask;
6619   char *infotext;
6620 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6621 {
6622   {
6623     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6624     getScreenMenuButtonPos,
6625     SCREEN_CTRL_ID_PREV_LEVEL,
6626     SCREEN_MASK_MAIN,
6627     "last level"
6628   },
6629   {
6630     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6631     getScreenMenuButtonPos,
6632     SCREEN_CTRL_ID_NEXT_LEVEL,
6633     SCREEN_MASK_MAIN,
6634     "next level"
6635   },
6636   {
6637     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6638     getScreenMenuButtonPos,
6639     SCREEN_CTRL_ID_PREV_PLAYER,
6640     SCREEN_MASK_INPUT,
6641     "last player"
6642   },
6643   {
6644     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6645     getScreenMenuButtonPos,
6646     SCREEN_CTRL_ID_NEXT_PLAYER,
6647     SCREEN_MASK_INPUT,
6648     "next player"
6649   },
6650 };
6651
6652 static struct
6653 {
6654   int gfx_unpressed, gfx_pressed;
6655   int x, y;
6656   int gadget_id;
6657   char *infotext;
6658 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6659 {
6660   {
6661     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6662     -1, -1,     /* these values are not constant, but can change at runtime */
6663     SCREEN_CTRL_ID_SCROLL_UP,
6664     "scroll up"
6665   },
6666   {
6667     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6668     -1, -1,     /* these values are not constant, but can change at runtime */
6669     SCREEN_CTRL_ID_SCROLL_DOWN,
6670     "scroll down"
6671   }
6672 };
6673
6674 static struct
6675 {
6676   int gfx_unpressed, gfx_pressed;
6677   int x, y;
6678   int width, height;
6679   int type;
6680   int gadget_id;
6681   char *infotext;
6682 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6683 {
6684   {
6685     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6686     -1, -1,     /* these values are not constant, but can change at runtime */
6687     -1, -1,     /* these values are not constant, but can change at runtime */
6688     GD_TYPE_SCROLLBAR_VERTICAL,
6689     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6690     "scroll level series vertically"
6691   }
6692 };
6693
6694 static void CreateScreenMenubuttons()
6695 {
6696   struct GadgetInfo *gi;
6697   unsigned int event_mask;
6698   int i;
6699
6700   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6701   {
6702     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6703     int gfx_unpressed, gfx_pressed;
6704     int x, y, width, height;
6705     int gd_x1, gd_x2, gd_y1, gd_y2;
6706     int id = menubutton_info[i].gadget_id;
6707
6708     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6709
6710     menubutton_info[i].get_gadget_position(&x, &y, id);
6711
6712     width = SC_MENUBUTTON_XSIZE;
6713     height = SC_MENUBUTTON_YSIZE;
6714
6715     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6716     gfx_pressed   = menubutton_info[i].gfx_pressed;
6717     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6718     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6719     gd_x1 = graphic_info[gfx_unpressed].src_x;
6720     gd_y1 = graphic_info[gfx_unpressed].src_y;
6721     gd_x2 = graphic_info[gfx_pressed].src_x;
6722     gd_y2 = graphic_info[gfx_pressed].src_y;
6723
6724     gi = CreateGadget(GDI_CUSTOM_ID, id,
6725                       GDI_CUSTOM_TYPE_ID, i,
6726                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6727                       GDI_X, x,
6728                       GDI_Y, y,
6729                       GDI_WIDTH, width,
6730                       GDI_HEIGHT, height,
6731                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6732                       GDI_STATE, GD_BUTTON_UNPRESSED,
6733                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6734                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6735                       GDI_DIRECT_DRAW, FALSE,
6736                       GDI_EVENT_MASK, event_mask,
6737                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6738                       GDI_END);
6739
6740     if (gi == NULL)
6741       Error(ERR_EXIT, "cannot create gadget");
6742
6743     screen_gadget[id] = gi;
6744   }
6745 }
6746
6747 static void CreateScreenScrollbuttons()
6748 {
6749   struct GadgetInfo *gi;
6750   unsigned int event_mask;
6751   int i;
6752
6753   /* these values are not constant, but can change at runtime */
6754   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6755   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6756   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6757   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6758
6759   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6760   {
6761     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6762     int gfx_unpressed, gfx_pressed;
6763     int x, y, width, height;
6764     int gd_x1, gd_x2, gd_y1, gd_y2;
6765     int id = scrollbutton_info[i].gadget_id;
6766
6767     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6768
6769     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6770     y = mSY + scrollbutton_info[i].y;
6771     width = SC_SCROLLBUTTON_XSIZE;
6772     height = SC_SCROLLBUTTON_YSIZE;
6773
6774     /* correct scrollbar position if placed outside menu (playfield) area */
6775     if (x > SX + SC_SCROLL_UP_XPOS)
6776       x = SX + SC_SCROLL_UP_XPOS;
6777
6778     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6779       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6780                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6781
6782     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6783     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6784     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6785     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6786     gd_x1 = graphic_info[gfx_unpressed].src_x;
6787     gd_y1 = graphic_info[gfx_unpressed].src_y;
6788     gd_x2 = graphic_info[gfx_pressed].src_x;
6789     gd_y2 = graphic_info[gfx_pressed].src_y;
6790
6791     gi = CreateGadget(GDI_CUSTOM_ID, id,
6792                       GDI_CUSTOM_TYPE_ID, i,
6793                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6794                       GDI_X, x,
6795                       GDI_Y, y,
6796                       GDI_WIDTH, width,
6797                       GDI_HEIGHT, height,
6798                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6799                       GDI_STATE, GD_BUTTON_UNPRESSED,
6800                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6801                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6802                       GDI_DIRECT_DRAW, FALSE,
6803                       GDI_EVENT_MASK, event_mask,
6804                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6805                       GDI_END);
6806
6807     if (gi == NULL)
6808       Error(ERR_EXIT, "cannot create gadget");
6809
6810     screen_gadget[id] = gi;
6811   }
6812 }
6813
6814 static void CreateScreenScrollbars()
6815 {
6816   int i;
6817
6818   /* these values are not constant, but can change at runtime */
6819   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6820   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6821   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6822   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6823
6824   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6825   {
6826     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6827     int gfx_unpressed, gfx_pressed;
6828     int x, y, width, height;
6829     int gd_x1, gd_x2, gd_y1, gd_y2;
6830     struct GadgetInfo *gi;
6831     int items_max, items_visible, item_position;
6832     unsigned int event_mask;
6833     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6834     int id = scrollbar_info[i].gadget_id;
6835
6836     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6837
6838     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6839     y = mSY + scrollbar_info[i].y;
6840     width  = scrollbar_info[i].width;
6841     height = scrollbar_info[i].height;
6842
6843     /* correct scrollbar position if placed outside menu (playfield) area */
6844     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6845       x = SX + SC_SCROLL_VERTICAL_XPOS;
6846
6847     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6848       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6849
6850     items_max = num_page_entries;
6851     items_visible = num_page_entries;
6852     item_position = 0;
6853
6854     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6855     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6856     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6857     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6858     gd_x1 = graphic_info[gfx_unpressed].src_x;
6859     gd_y1 = graphic_info[gfx_unpressed].src_y;
6860     gd_x2 = graphic_info[gfx_pressed].src_x;
6861     gd_y2 = graphic_info[gfx_pressed].src_y;
6862
6863     gi = CreateGadget(GDI_CUSTOM_ID, id,
6864                       GDI_CUSTOM_TYPE_ID, i,
6865                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6866                       GDI_X, x,
6867                       GDI_Y, y,
6868                       GDI_WIDTH, width,
6869                       GDI_HEIGHT, height,
6870                       GDI_TYPE, scrollbar_info[i].type,
6871                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6872                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6873                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6874                       GDI_WHEEL_AREA_X, SX,
6875                       GDI_WHEEL_AREA_Y, SY,
6876                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6877                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6878                       GDI_STATE, GD_BUTTON_UNPRESSED,
6879                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6880                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6881                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6882                       GDI_DIRECT_DRAW, FALSE,
6883                       GDI_EVENT_MASK, event_mask,
6884                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6885                       GDI_END);
6886
6887     if (gi == NULL)
6888       Error(ERR_EXIT, "cannot create gadget");
6889
6890     screen_gadget[id] = gi;
6891   }
6892 }
6893
6894 void CreateScreenGadgets()
6895 {
6896   CreateScreenMenubuttons();
6897
6898   CreateScreenScrollbuttons();
6899   CreateScreenScrollbars();
6900 }
6901
6902 void FreeScreenGadgets()
6903 {
6904   int i;
6905
6906   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6907     FreeGadget(screen_gadget[i]);
6908 }
6909
6910 void MapScreenMenuGadgets(int screen_mask)
6911 {
6912   int i;
6913
6914   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6915     if (screen_mask & menubutton_info[i].screen_mask)
6916       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6917 }
6918
6919 void MapScreenGadgets(int num_entries)
6920 {
6921   int i;
6922
6923   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6924     return;
6925
6926   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6927     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6928
6929   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6930     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6931 }
6932
6933 void MapScreenTreeGadgets(TreeInfo *ti)
6934 {
6935   MapScreenGadgets(numTreeInfoInGroup(ti));
6936 }
6937
6938 static void HandleScreenGadgets(struct GadgetInfo *gi)
6939 {
6940   int id = gi->custom_id;
6941   int button = gi->event.button;
6942   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6943
6944   switch (id)
6945   {
6946     case SCREEN_CTRL_ID_PREV_LEVEL:
6947       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6948       break;
6949
6950     case SCREEN_CTRL_ID_NEXT_LEVEL:
6951       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6952       break;
6953
6954     case SCREEN_CTRL_ID_PREV_PLAYER:
6955       HandleSetupScreen_Input_Player(step, -1);
6956       break;
6957
6958     case SCREEN_CTRL_ID_NEXT_PLAYER:
6959       HandleSetupScreen_Input_Player(step, +1);
6960       break;
6961
6962     case SCREEN_CTRL_ID_SCROLL_UP:
6963       if (game_status == GAME_MODE_LEVELS)
6964         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6965       else if (game_status == GAME_MODE_LEVELNR)
6966         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6967       else if (game_status == GAME_MODE_SETUP)
6968         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6969       else if (game_status == GAME_MODE_INFO)
6970         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6971       break;
6972
6973     case SCREEN_CTRL_ID_SCROLL_DOWN:
6974       if (game_status == GAME_MODE_LEVELS)
6975         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6976       else if (game_status == GAME_MODE_LEVELNR)
6977         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6978       else if (game_status == GAME_MODE_SETUP)
6979         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6980       else if (game_status == GAME_MODE_INFO)
6981         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6982       break;
6983
6984     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
6985       if (game_status == GAME_MODE_LEVELS)
6986         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
6987       else if (game_status == GAME_MODE_LEVELNR)
6988         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
6989       else if (game_status == GAME_MODE_SETUP)
6990         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
6991       else if (game_status == GAME_MODE_INFO)
6992         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
6993       break;
6994
6995     default:
6996       break;
6997   }
6998 }