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   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 387
 388   {     NULL,                           NULL                    },
 389 };
 390
 391 static struct
 392 {
 393   int value;
 394   char *text;
 395 } distances_list[] =
 396 {
 397   {     1,      "1 %"                           },
 398   {     2,      "2 %"                           },
 399   {     3,      "3 %"                           },
 400   {     4,      "4 %"                           },
 401   {     5,      "5 %"                           },
 402   {     10,     "10 %"                          },
 403   {     15,     "15 %"                          },
 404   {     20,     "20 %"                          },
 405   {     25,     "25 %"                          },
 406
 407   {     -1,     NULL                            },
 408 };
 409
 410 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 411                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 412                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 413                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 414
 415 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 416 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 417                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 418                                  INFO_MODE_MAIN)
 419
 420 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 421                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 422                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 423                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 424                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 425                                  SETUP_MODE_CHOOSE_OTHER)
 426
 427 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 428                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 429                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 430 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 431                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 432                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 433
 434 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 435                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 436                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 437 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 438                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 439                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 440
 441 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 442                                  DRAW_XOFFSET_INFO(info_mode) :         \
 443                                  (s) == GAME_MODE_SETUP ?               \
 444                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 445                                  menu.draw_xoffset[DRAW_MODE(s)])
 446 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 447                                  DRAW_YOFFSET_INFO(info_mode) :         \
 448                                  (s) == GAME_MODE_SETUP ?               \
 449                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 450                                  menu.draw_yoffset[DRAW_MODE(s)])
 451
 452 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 453 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 454
 455 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 456                                     menu.list_size[game_status] :       \
 457                                     MAX_MENU_ENTRIES_ON_SCREEN)
 458
 459 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 460                                          NUM_MENU_ENTRIES_ON_SCREEN)
 461
 462
 463 /* title display and control definitions */
 464
 465 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 466                                  2 * MAX_NUM_TITLE_MESSAGES)
 467
 468 #define NO_DIRECT_LEVEL_SELECT  (-1)
 469
 470
 471 static int num_title_screens = 0;
 472
 473 struct TitleControlInfo
 474 {
 475   boolean is_image;
 476   boolean initial;
 477   boolean first;
 478   int local_nr;
 479   int sort_priority;
 480 };
 481
 482 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 483
 484 /* main menu display and control definitions */
 485
 486 #define MAIN_CONTROL_NAME                       0
 487 #define MAIN_CONTROL_LEVELS                     1
 488 #define MAIN_CONTROL_SCORES                     2
 489 #define MAIN_CONTROL_EDITOR                     3
 490 #define MAIN_CONTROL_INFO                       4
 491 #define MAIN_CONTROL_GAME                       5
 492 #define MAIN_CONTROL_SETUP                      6
 493 #define MAIN_CONTROL_QUIT                       7
 494 #define MAIN_CONTROL_PREV_LEVEL                 8
 495 #define MAIN_CONTROL_NEXT_LEVEL                 9
 496 #define MAIN_CONTROL_FIRST_LEVEL                10
 497 #define MAIN_CONTROL_LAST_LEVEL                 11
 498 #define MAIN_CONTROL_LEVEL_NUMBER               12
 499 #define MAIN_CONTROL_LEVEL_INFO_1               13
 500 #define MAIN_CONTROL_LEVEL_INFO_2               14
 501 #define MAIN_CONTROL_LEVEL_NAME                 15
 502 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 503 #define MAIN_CONTROL_LEVEL_YEAR                 17
 504 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 505 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 506 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 507 #define MAIN_CONTROL_TITLE_1                    21
 508 #define MAIN_CONTROL_TITLE_2                    22
 509 #define MAIN_CONTROL_TITLE_3                    23
 510
 511 static char str_main_text_name[10];
 512 static char str_main_text_first_level[10];
 513 static char str_main_text_last_level[10];
 514 static char str_main_text_level_number[10];
 515
 516 static char *main_text_name                     = str_main_text_name;
 517 static char *main_text_first_level              = str_main_text_first_level;
 518 static char *main_text_last_level               = str_main_text_last_level;
 519 static char *main_text_level_number             = str_main_text_level_number;
 520 static char *main_text_levels                   = "Levelset";
 521 static char *main_text_scores                   = "Hall Of Fame";
 522 static char *main_text_editor                   = "Level Creator";
 523 static char *main_text_info                     = "Info Screen";
 524 static char *main_text_game                     = "Start Game";
 525 static char *main_text_setup                    = "Setup";
 526 static char *main_text_quit                     = "Quit";
 527 static char *main_text_level_name               = level.name;
 528 static char *main_text_level_author             = level.author;
 529 static char *main_text_level_year               = NULL;
 530 static char *main_text_level_imported_from      = NULL;
 531 static char *main_text_level_imported_by        = NULL;
 532 static char *main_text_level_tested_by          = NULL;
 533
 534 struct MainControlInfo
 535 {
 536   int nr;
 537
 538   struct MenuPosInfo *pos_button;
 539   int button_graphic;
 540
 541   struct TextPosInfo *pos_text;
 542   char **text;
 543
 544   struct TextPosInfo *pos_input;
 545   char **input;
 546 };
 547
 548 static struct MainControlInfo main_controls[] =
 549 {
 550   {
 551     MAIN_CONTROL_NAME,
 552     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 553     &menu.main.text.name,               &main_text_name,
 554     &menu.main.input.name,              &setup.player_name,
 555   },
 556   {
 557     MAIN_CONTROL_LEVELS,
 558     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 559     &menu.main.text.levels,             &main_text_levels,
 560     NULL,                               NULL,
 561   },
 562   {
 563     MAIN_CONTROL_SCORES,
 564     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 565     &menu.main.text.scores,             &main_text_scores,
 566     NULL,                               NULL,
 567   },
 568   {
 569     MAIN_CONTROL_EDITOR,
 570     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 571     &menu.main.text.editor,             &main_text_editor,
 572     NULL,                               NULL,
 573   },
 574   {
 575     MAIN_CONTROL_INFO,
 576     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 577     &menu.main.text.info,               &main_text_info,
 578     NULL,                               NULL,
 579   },
 580   {
 581     MAIN_CONTROL_GAME,
 582     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 583     &menu.main.text.game,               &main_text_game,
 584     NULL,                               NULL,
 585   },
 586   {
 587     MAIN_CONTROL_SETUP,
 588     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 589     &menu.main.text.setup,              &main_text_setup,
 590     NULL,                               NULL,
 591   },
 592   {
 593     MAIN_CONTROL_QUIT,
 594     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 595     &menu.main.text.quit,               &main_text_quit,
 596     NULL,                               NULL,
 597   },
 598 #if 0
 599   /* (these two buttons are real gadgets) */
 600   {
 601     MAIN_CONTROL_PREV_LEVEL,
 602     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 603     NULL,                               NULL,
 604     NULL,                               NULL,
 605   },
 606   {
 607     MAIN_CONTROL_NEXT_LEVEL,
 608     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 609     NULL,                               NULL,
 610     NULL,                               NULL,
 611   },
 612 #endif
 613   {
 614     MAIN_CONTROL_FIRST_LEVEL,
 615     NULL,                               -1,
 616     &menu.main.text.first_level,        &main_text_first_level,
 617     NULL,                               NULL,
 618   },
 619   {
 620     MAIN_CONTROL_LAST_LEVEL,
 621     NULL,                               -1,
 622     &menu.main.text.last_level,         &main_text_last_level,
 623     NULL,                               NULL,
 624   },
 625   {
 626     MAIN_CONTROL_LEVEL_NUMBER,
 627     NULL,                               -1,
 628     &menu.main.text.level_number,       &main_text_level_number,
 629     NULL,                               NULL,
 630   },
 631   {
 632     MAIN_CONTROL_LEVEL_INFO_1,
 633     NULL,                               -1,
 634     &menu.main.text.level_info_1,       NULL,
 635     NULL,                               NULL,
 636   },
 637   {
 638     MAIN_CONTROL_LEVEL_INFO_2,
 639     NULL,                               -1,
 640     &menu.main.text.level_info_2,       NULL,
 641     NULL,                               NULL,
 642   },
 643   {
 644     MAIN_CONTROL_LEVEL_NAME,
 645     NULL,                               -1,
 646     &menu.main.text.level_name,         &main_text_level_name,
 647     NULL,                               NULL,
 648   },
 649   {
 650     MAIN_CONTROL_LEVEL_AUTHOR,
 651     NULL,                               -1,
 652     &menu.main.text.level_author,       &main_text_level_author,
 653     NULL,                               NULL,
 654   },
 655   {
 656     MAIN_CONTROL_LEVEL_YEAR,
 657     NULL,                               -1,
 658     &menu.main.text.level_year,         &main_text_level_year,
 659     NULL,                               NULL,
 660   },
 661   {
 662     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 663     NULL,                               -1,
 664     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 665     NULL,                               NULL,
 666   },
 667   {
 668     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 669     NULL,                               -1,
 670     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 671     NULL,                               NULL,
 672   },
 673   {
 674     MAIN_CONTROL_LEVEL_TESTED_BY,
 675     NULL,                               -1,
 676     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 677     NULL,                               NULL,
 678   },
 679   {
 680     MAIN_CONTROL_TITLE_1,
 681     NULL,                               -1,
 682     &menu.main.text.title_1,            &setup.internal.program_title,
 683     NULL,                               NULL,
 684   },
 685   {
 686     MAIN_CONTROL_TITLE_2,
 687     NULL,                               -1,
 688     &menu.main.text.title_2,            &setup.internal.program_copyright,
 689     NULL,                               NULL,
 690   },
 691   {
 692     MAIN_CONTROL_TITLE_3,
 693     NULL,                               -1,
 694     &menu.main.text.title_3,            &setup.internal.program_company,
 695     NULL,                               NULL,
 696   },
 697
 698   {
 699     -1,
 700     NULL,                               -1,
 701     NULL,                               NULL,
 702     NULL,                               NULL,
 703   }
 704 };
 705
 706
 707 static int getTitleScreenGraphic(int nr, boolean initial)
 708 {
 709   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 710 }
 711
 712 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 713 {
 714   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 715 }
 716
 717 #if 0
 718 static int getTitleScreenGameMode(boolean initial)
 719 {
 720   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 721 }
 722 #endif
 723
 724 static int getTitleMessageGameMode(boolean initial)
 725 {
 726   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 727 }
 728
 729 static int getTitleAnimMode(struct TitleControlInfo *tci)
 730 {
 731   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 732
 733   return base + tci->local_nr;
 734 }
 735
 736 #if 0
 737 static int getTitleScreenBackground(boolean initial)
 738 {
 739   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 740 }
 741 #endif
 742
 743 #if 0
 744 static int getTitleMessageBackground(int nr, boolean initial)
 745 {
 746   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 747 }
 748 #endif
 749
 750 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 751 {
 752   int base = (is_image ?
 753               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 754                          IMG_BACKGROUND_TITLESCREEN_1) :
 755               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 756                          IMG_BACKGROUND_TITLEMESSAGE_1));
 757   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 758                                   IMG_BACKGROUND_TITLE);
 759   int graphic_local = base + nr;
 760
 761   if (graphic_info[graphic_local].bitmap != NULL)
 762     return graphic_local;
 763
 764   if (graphic_info[graphic_global].bitmap != NULL)
 765     return graphic_global;
 766
 767   return IMG_UNDEFINED;
 768 }
 769
 770 static int getTitleSound(struct TitleControlInfo *tci)
 771 {
 772   boolean is_image = tci->is_image;
 773   int initial = tci->initial;
 774   int nr = tci->local_nr;
 775   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 776   int base = (is_image ?
 777               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 778                          SND_BACKGROUND_TITLESCREEN_1) :
 779               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 780                          SND_BACKGROUND_TITLEMESSAGE_1));
 781   int sound_global = menu.sound[mode];
 782   int sound_local = base + nr;
 783
 784 #if 0
 785   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 786          nr, initial, is_image,
 787          sound_global, getSoundListEntry(sound_global)->filename,
 788          sound_local, getSoundListEntry(sound_local)->filename);
 789 #endif
 790
 791   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 792     return sound_local;
 793
 794   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 795     return sound_global;
 796
 797   return SND_UNDEFINED;
 798 }
 799
 800 static int getTitleMusic(struct TitleControlInfo *tci)
 801 {
 802   boolean is_image = tci->is_image;
 803   int initial = tci->initial;
 804   int nr = tci->local_nr;
 805   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 806   int base = (is_image ?
 807               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 808                          MUS_BACKGROUND_TITLESCREEN_1) :
 809               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 810                          MUS_BACKGROUND_TITLEMESSAGE_1));
 811   int music_global = menu.music[mode];
 812   int music_local = base + nr;
 813
 814 #if 0
 815   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 816          nr, initial, is_image,
 817          music_global, getMusicListEntry(music_global)->filename,
 818          music_local, getMusicListEntry(music_local)->filename);
 819 #endif
 820
 821   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 822     return music_local;
 823
 824   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 825     return music_global;
 826
 827   return MUS_UNDEFINED;
 828 }
 829
 830 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 831 {
 832   boolean is_image = tci->is_image;
 833   boolean initial = tci->initial;
 834   boolean first = tci->first;
 835   int nr = tci->local_nr;
 836   struct TitleMessageInfo tmi;
 837   struct TitleFadingInfo ti;
 838
 839   tmi = (is_image ? (initial ? (first ?
 840                                 titlescreen_initial_first[nr] :
 841                                 titlescreen_initial[nr])
 842                              : (first ?
 843                                 titlescreen_first[nr] :
 844                                 titlescreen[nr]))
 845                   : (initial ? (first ?
 846                                 titlemessage_initial_first[nr] :
 847                                 titlemessage_initial[nr])
 848                              : (first ?
 849                                 titlemessage_first[nr] :
 850                                 titlemessage[nr])));
 851
 852   ti.fade_mode  = tmi.fade_mode;
 853   ti.fade_delay = tmi.fade_delay;
 854   ti.post_delay = tmi.post_delay;
 855   ti.auto_delay = tmi.auto_delay;
 856
 857   return ti;
 858 }
 859
 860 static int compareTitleControlInfo(const void *object1, const void *object2)
 861 {
 862   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 863   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 864   int compare_result;
 865
 866   if (tci1->initial != tci2->initial)
 867     compare_result = (tci1->initial ? -1 : +1);
 868   else if (tci1->sort_priority != tci2->sort_priority)
 869     compare_result = tci1->sort_priority - tci2->sort_priority;
 870   else if (tci1->is_image != tci2->is_image)
 871     compare_result = (tci1->is_image ? -1 : +1);
 872   else
 873     compare_result = tci1->local_nr - tci2->local_nr;
 874
 875   return compare_result;
 876 }
 877
 878 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 879                                                     boolean initial,
 880                                                     int nr, int sort_priority)
 881 {
 882   title_controls[num_title_screens].is_image = is_image;
 883   title_controls[num_title_screens].initial = initial;
 884   title_controls[num_title_screens].local_nr = nr;
 885   title_controls[num_title_screens].sort_priority = sort_priority;
 886
 887   title_controls[num_title_screens].first = FALSE;      /* will be set later */
 888
 889   num_title_screens++;
 890 }
 891
 892 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 893 {
 894   int i;
 895
 896   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 897   {
 898     int graphic = getTitleScreenGraphic(i, initial);
 899     Bitmap *bitmap = graphic_info[graphic].bitmap;
 900     int sort_priority = graphic_info[graphic].sort_priority;
 901
 902     if (bitmap != NULL)
 903       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 904   }
 905
 906   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 907   {
 908     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 909     char *filename = getLevelSetTitleMessageFilename(i, initial);
 910     int sort_priority = tmi->sort_priority;
 911
 912     if (filename != NULL)
 913       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 914   }
 915 }
 916
 917 static void InitializeTitleControls(boolean show_title_initial)
 918 {
 919   num_title_screens = 0;
 920
 921   /* 1st step: initialize title screens for game start (only when starting) */
 922   if (show_title_initial)
 923     InitializeTitleControls_CheckTitleInfo(TRUE);
 924
 925   /* 2nd step: initialize title screens for current level set */
 926   InitializeTitleControls_CheckTitleInfo(FALSE);
 927
 928   /* sort title screens according to sort_priority and title number */
 929   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 930         compareTitleControlInfo);
 931
 932   /* mark first title screen */
 933   title_controls[0].first = TRUE;
 934 }
 935
 936 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 937 {
 938   return (pos != NULL && pos->x != -1 && pos->y != -1);
 939 }
 940
 941 static boolean visibleTextPos(struct TextPosInfo *pos)
 942 {
 943   return (pos != NULL && pos->x != -1 && pos->y != -1);
 944 }
 945
 946 static void InitializeMainControls()
 947 {
 948   boolean local_team_mode = (!options.network && setup.team_mode);
 949   int i;
 950
 951   /* set main control text values to dynamically determined values */
 952   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 953
 954   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 955                                          menu.main.text.first_level.size));
 956   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 957                                          menu.main.text.last_level.size));
 958   strcpy(main_text_level_number, int2str(level_nr,
 959                                          menu.main.text.level_number.size));
 960
 961   main_text_level_year          = leveldir_current->year;
 962   main_text_level_imported_from = leveldir_current->imported_from;
 963   main_text_level_imported_by   = leveldir_current->imported_by;
 964   main_text_level_tested_by     = leveldir_current->tested_by;
 965
 966   /* set main control screen positions to dynamically determined values */
 967   for (i = 0; main_controls[i].nr != -1; i++)
 968   {
 969     struct MainControlInfo *mci = &main_controls[i];
 970     int nr                         = mci->nr;
 971     struct MenuPosInfo *pos_button = mci->pos_button;
 972     struct TextPosInfo *pos_text   = mci->pos_text;
 973     struct TextPosInfo *pos_input  = mci->pos_input;
 974     char *text                     = (mci->text  ? *mci->text  : NULL);
 975     char *input                    = (mci->input ? *mci->input : NULL);
 976     int button_graphic             = mci->button_graphic;
 977     int font_text                  = (pos_text  ? pos_text->font  : -1);
 978     int font_input                 = (pos_input ? pos_input->font : -1);
 979
 980     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 981     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 982     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 983     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 984     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 985     int input_chars = (input != NULL ? strlen(input) : 0);
 986
 987     int button_width =
 988       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 989     int button_height =
 990       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 991     int text_width   = font_text_width * text_chars;
 992     int text_height  = font_text_height;
 993     int input_width  = font_input_width * input_chars;
 994     int input_height = font_input_height;
 995
 996     if (nr == MAIN_CONTROL_NAME)
 997     {
 998       menu.main.input.name.width  = input_width;
 999       menu.main.input.name.height = input_height;
1000     }
1001
1002     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
1003     {
1004       pos_button->width  = button_width;
1005       pos_button->height = button_height;
1006     }
1007
1008     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1009     {
1010       /* calculate size for non-clickable text -- needed for text alignment */
1011       boolean calculate_text_size = (pos_button == NULL && text != NULL);
1012
1013       if (pos_text->width == -1 || calculate_text_size)
1014         pos_text->width = text_width;
1015       if (pos_text->height == -1 || calculate_text_size)
1016         pos_text->height = text_height;
1017
1018       if (visibleMenuPos(pos_button))
1019       {
1020         if (pos_text->x == -1)
1021           pos_text->x = pos_button->x + pos_button->width;
1022         if (pos_text->y == -1)
1023           pos_text->y =
1024             pos_button->y + (pos_button->height - pos_text->height) / 2;
1025       }
1026     }
1027
1028     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1029     {
1030       if (visibleTextPos(pos_text))
1031       {
1032         if (pos_input->x == -1)
1033           pos_input->x = pos_text->x + pos_text->width;
1034         if (pos_input->y == -1)
1035           pos_input->y = pos_text->y;
1036       }
1037
1038       if (pos_input->width == -1)
1039         pos_input->width = input_width;
1040       if (pos_input->height == -1)
1041         pos_input->height = input_height;
1042     }
1043   }
1044 }
1045
1046 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1047                                        int graphic, boolean pressed)
1048 {
1049   struct GraphicInfo *g = &graphic_info[graphic];
1050   Bitmap *src_bitmap;
1051   int src_x, src_y;
1052   int xoffset = (pressed ? g->pressed_xoffset : 0);
1053   int yoffset = (pressed ? g->pressed_yoffset : 0);
1054
1055   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1056
1057   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1058                    g->width, g->height, dst_x, dst_y);
1059 }
1060
1061 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1062                                        boolean active_input,
1063                                        boolean pressed_button)
1064 {
1065   int i;
1066
1067   for (i = 0; main_controls[i].nr != -1; i++)
1068   {
1069     struct MainControlInfo *mci = &main_controls[i];
1070
1071     if (mci->nr == nr || nr == -1)
1072     {
1073       struct MenuPosInfo *pos_button = mci->pos_button;
1074       struct TextPosInfo *pos_text   = mci->pos_text;
1075       struct TextPosInfo *pos_input  = mci->pos_input;
1076       char *text                     = (mci->text  ? *mci->text  : NULL);
1077       char *input                    = (mci->input ? *mci->input : NULL);
1078       int button_graphic             = mci->button_graphic;
1079       int font_text                  = (pos_text  ? pos_text->font  : -1);
1080       int font_input                 = (pos_input ? pos_input->font : -1);
1081
1082       if (active_text)
1083       {
1084         button_graphic = BUTTON_ACTIVE(button_graphic);
1085         font_text = FONT_ACTIVE(font_text);
1086       }
1087
1088       if (active_input)
1089       {
1090         font_input = FONT_ACTIVE(font_input);
1091       }
1092
1093       if (visibleMenuPos(pos_button))
1094       {
1095         struct MenuPosInfo *pos = pos_button;
1096         int x = mSX + pos->x;
1097         int y = mSY + pos->y;
1098
1099         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1100         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1101       }
1102
1103       if (visibleTextPos(pos_text) && text != NULL)
1104       {
1105         struct TextPosInfo *pos = pos_text;
1106         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1107         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1108
1109 #if 1
1110         /* (check why/if this is needed) */
1111         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1112 #endif
1113         DrawText(x, y, text, font_text);
1114       }
1115
1116       if (visibleTextPos(pos_input) && input != NULL)
1117       {
1118         struct TextPosInfo *pos = pos_input;
1119         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1120         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1121
1122 #if 1
1123         /* (check why/if this is needed) */
1124         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1125 #endif
1126         DrawText(x, y, input, font_input);
1127       }
1128     }
1129   }
1130 }
1131
1132 static void DrawCursorAndText_Main(int nr, boolean active_text,
1133                                    boolean pressed_button)
1134 {
1135   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1136 }
1137
1138 #if 0
1139 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1140                                          boolean pressed_button)
1141 {
1142   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1143 }
1144 #endif
1145
1146 static struct MainControlInfo *getMainControlInfo(int nr)
1147 {
1148   int i;
1149
1150   for (i = 0; main_controls[i].nr != -1; i++)
1151     if (main_controls[i].nr == nr)
1152       return &main_controls[i];
1153
1154   return NULL;
1155 }
1156
1157 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1158 {
1159   if (rect == NULL)
1160     return FALSE;
1161
1162   int rect_x = ALIGNED_TEXT_XPOS(rect);
1163   int rect_y = ALIGNED_TEXT_YPOS(rect);
1164
1165   return (x >= rect_x && x < rect_x + rect->width &&
1166           y >= rect_y && y < rect_y + rect->height);
1167 }
1168
1169 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1170 {
1171   if (rect == NULL)
1172     return FALSE;
1173
1174   int rect_x = ALIGNED_TEXT_XPOS(rect);
1175   int rect_y = ALIGNED_TEXT_YPOS(rect);
1176
1177 #if 0
1178   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1179          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1180          (x >= rect_x && x < rect_x + rect->width &&
1181           y >= rect_y && y < rect_y + rect->height));
1182 #endif
1183
1184   return (x >= rect_x && x < rect_x + rect->width &&
1185           y >= rect_y && y < rect_y + rect->height);
1186 }
1187
1188 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1189 {
1190   int rect_width  = preview->xsize * preview->tile_size;
1191   int rect_height = preview->ysize * preview->tile_size;
1192   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1193   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1194
1195   return (x >= rect_x && x < rect_x + rect_width &&
1196           y >= rect_y && y < rect_y + rect_height);
1197 }
1198
1199 static void AdjustScrollbar(int id, int items_max, int items_visible,
1200                             int item_position)
1201 {
1202   struct GadgetInfo *gi = screen_gadget[id];
1203
1204   if (item_position > items_max - items_visible)
1205     item_position = items_max - items_visible;
1206
1207   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1208                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1209                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1210 }
1211
1212 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1213 {
1214   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1215                   first_entry);
1216 }
1217
1218 static void clearMenuListArea()
1219 {
1220   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1221
1222   /* correct scrollbar position if placed outside menu (playfield) area */
1223   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1224     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1225
1226   /* clear menu list area, but not title or scrollbar */
1227   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1228                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1229 }
1230
1231 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1232 {
1233   static int cursor_array[MAX_LEV_FIELDY];
1234   int x = mSX + TILEX * xpos;
1235   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1236
1237   if (xpos == 0)
1238   {
1239     if (graphic != -1)
1240       cursor_array[ypos] = graphic;
1241     else
1242       graphic = cursor_array[ypos];
1243   }
1244
1245   if (active)
1246     graphic = BUTTON_ACTIVE(graphic);
1247
1248   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1249   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1250 }
1251
1252 static void initCursor(int ypos, int graphic)
1253 {
1254   drawCursorExt(0, ypos, FALSE, graphic);
1255 }
1256
1257 static void drawCursor(int ypos, boolean active)
1258 {
1259   drawCursorExt(0, ypos, active, -1);
1260 }
1261
1262 static void drawCursorXY(int xpos, int ypos, int graphic)
1263 {
1264   drawCursorExt(xpos, ypos, FALSE, graphic);
1265 }
1266
1267 static void drawChooseTreeCursor(int ypos, boolean active)
1268 {
1269   drawCursorExt(0, ypos, active, -1);
1270 }
1271
1272 void DrawHeadline()
1273 {
1274   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, getProgramTitleString());
1275   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
1276                     setup.internal.program_copyright);
1277 }
1278
1279 void DrawTitleScreenImage(int nr, boolean initial)
1280 {
1281   int graphic = getTitleScreenGraphic(nr, initial);
1282   Bitmap *bitmap = graphic_info[graphic].bitmap;
1283   int width  = graphic_info[graphic].width;
1284   int height = graphic_info[graphic].height;
1285   int src_x = graphic_info[graphic].src_x;
1286   int src_y = graphic_info[graphic].src_y;
1287   int dst_x, dst_y;
1288
1289   if (bitmap == NULL)
1290     return;
1291
1292   if (width > WIN_XSIZE)
1293   {
1294     /* image width too large for window => center image horizontally */
1295     src_x = (width - WIN_XSIZE) / 2;
1296     width = WIN_XSIZE;
1297   }
1298
1299   if (height > WIN_YSIZE)
1300   {
1301     /* image height too large for window => center image vertically */
1302     src_y = (height - WIN_YSIZE) / 2;
1303     height = WIN_YSIZE;
1304   }
1305
1306   /* always display title screens centered */
1307   dst_x = (WIN_XSIZE - width) / 2;
1308   dst_y = (WIN_YSIZE - height) / 2;
1309
1310   SetDrawBackgroundMask(REDRAW_ALL);
1311   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1312
1313   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1314
1315   if (DrawingOnBackground(dst_x, dst_y))
1316     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1317   else
1318     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1319
1320   redraw_mask = REDRAW_ALL;
1321 }
1322
1323 void DrawTitleScreenMessage(int nr, boolean initial)
1324 {
1325   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1326   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1327
1328   if (filename == NULL)
1329     return;
1330
1331   /* force TITLE font on title message screen */
1332   SetFontStatus(getTitleMessageGameMode(initial));
1333
1334   /* if chars *and* width set to "-1", automatically determine width */
1335   if (tmi->chars == -1 && tmi->width == -1)
1336     tmi->width = viewport.window[game_status].width;
1337
1338   /* if lines *and* height set to "-1", automatically determine height */
1339   if (tmi->lines == -1 && tmi->height == -1)
1340     tmi->height = viewport.window[game_status].height;
1341
1342   /* if chars set to "-1", automatically determine by text and font width */
1343   if (tmi->chars == -1)
1344     tmi->chars = tmi->width / getFontWidth(tmi->font);
1345   else
1346     tmi->width = tmi->chars * getFontWidth(tmi->font);
1347
1348   /* if lines set to "-1", automatically determine by text and font height */
1349   if (tmi->lines == -1)
1350     tmi->lines = tmi->height / getFontHeight(tmi->font);
1351   else
1352     tmi->height = tmi->lines * getFontHeight(tmi->font);
1353
1354   /* if x set to "-1", automatically determine by width and alignment */
1355   if (tmi->x == -1)
1356     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1357
1358   /* if y set to "-1", automatically determine by height and alignment */
1359   if (tmi->y == -1)
1360     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1361
1362   SetDrawBackgroundMask(REDRAW_ALL);
1363   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1364
1365   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1366
1367   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1368                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1369                tmi->autowrap, tmi->centered, tmi->parse_comments);
1370
1371   ResetFontStatus();
1372 }
1373
1374 void DrawTitleScreen()
1375 {
1376   KeyboardAutoRepeatOff();
1377
1378   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1379 }
1380
1381 boolean CheckTitleScreen(boolean levelset_has_changed)
1382 {
1383   static boolean show_title_initial = TRUE;
1384   boolean show_titlescreen = FALSE;
1385
1386   /* needed to be able to skip title screen, if no image or message defined */
1387   InitializeTitleControls(show_title_initial);
1388
1389   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1390     show_titlescreen = TRUE;
1391
1392   /* show initial title images and messages only once at program start */
1393   show_title_initial = FALSE;
1394
1395   return (show_titlescreen && num_title_screens > 0);
1396 }
1397
1398 void DrawMainMenu()
1399 {
1400   static LevelDirTree *leveldir_last_valid = NULL;
1401   boolean levelset_has_changed = FALSE;
1402   int fade_mask = REDRAW_FIELD;
1403
1404   LimitScreenUpdates(FALSE);
1405
1406   FadeSetLeaveScreen();
1407
1408   /* do not fade out here -- function may continue and fade on editor screen */
1409
1410   UnmapAllGadgets();
1411   FadeMenuSoundsAndMusic();
1412
1413   ExpireSoundLoops(FALSE);
1414
1415   KeyboardAutoRepeatOn();
1416   ActivateJoystick();
1417
1418   audio.sound_deactivated = FALSE;
1419
1420   GetPlayerConfig();
1421
1422   /* needed if last screen was the playing screen, invoked from level editor */
1423   if (level_editor_test_game)
1424   {
1425     CloseDoor(DOOR_CLOSE_ALL);
1426
1427     SetGameStatus(GAME_MODE_EDITOR);
1428
1429     DrawLevelEd();
1430
1431     return;
1432   }
1433
1434   /* needed if last screen was the setup screen and fullscreen state changed */
1435   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1436   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1437
1438   /* leveldir_current may be invalid (level group, parent link) */
1439   if (!validLevelSeries(leveldir_current))
1440     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1441
1442   if (leveldir_current != leveldir_last_valid)
1443     levelset_has_changed = TRUE;
1444
1445   /* store valid level series information */
1446   leveldir_last_valid = leveldir_current;
1447
1448   init_last = init;                     /* switch to new busy animation */
1449
1450   /* needed if last screen (level choice) changed graphics, sounds or music */
1451   ReloadCustomArtwork(0);
1452
1453   if (CheckTitleScreen(levelset_has_changed))
1454   {
1455     SetGameStatus(GAME_MODE_TITLE);
1456
1457     DrawTitleScreen();
1458
1459     return;
1460   }
1461
1462   if (redraw_mask & REDRAW_ALL)
1463     fade_mask = REDRAW_ALL;
1464
1465   if (CheckIfGlobalBorderHasChanged())
1466     fade_mask = REDRAW_ALL;
1467
1468   FadeOut(fade_mask);
1469
1470   /* needed if different viewport properties defined for menues */
1471   ChangeViewportPropertiesIfNeeded();
1472
1473   SetDrawtoField(DRAW_TO_BACKBUFFER);
1474
1475   /* level_nr may have been set to value over handicap with level editor */
1476   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1477     level_nr = leveldir_current->handicap_level;
1478
1479   LoadLevel(level_nr);
1480   LoadScore(level_nr);
1481
1482   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1483   SetDrawDeactivationMask(REDRAW_NONE);
1484   SetDrawBackgroundMask(REDRAW_FIELD);
1485
1486   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1487
1488 #if 0
1489   if (fade_mask == REDRAW_ALL)
1490     RedrawGlobalBorder();
1491 #endif
1492
1493   ClearField();
1494
1495   InitializeMainControls();
1496
1497   DrawCursorAndText_Main(-1, FALSE, FALSE);
1498   DrawPreviewLevelInitial();
1499
1500   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1501
1502   TapeStop();
1503   if (TAPE_IS_EMPTY(tape))
1504     LoadTape(level_nr);
1505   DrawCompleteVideoDisplay();
1506
1507   PlayMenuSoundsAndMusic();
1508
1509   /* create gadgets for main menu screen */
1510   FreeScreenGadgets();
1511   CreateScreenGadgets();
1512
1513   /* map gadgets for main menu screen */
1514   MapTapeButtons();
1515   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1516
1517   /* copy actual game door content to door double buffer for OpenDoor() */
1518   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1519   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1520
1521   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1522
1523   DrawMaskedBorder(fade_mask);
1524
1525   FadeIn(fade_mask);
1526   FadeSetEnterMenu();
1527
1528   /* update screen area with special editor door */
1529   redraw_mask |= REDRAW_ALL;
1530   BackToFront();
1531
1532   SetMouseCursor(CURSOR_DEFAULT);
1533
1534   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1535 }
1536
1537 static void gotoTopLevelDir()
1538 {
1539   /* move upwards until inside (but not above) top level directory */
1540   while (leveldir_current->node_parent &&
1541          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1542   {
1543     /* write a "path" into level tree for easy navigation to last level */
1544     if (leveldir_current->node_parent->node_group->cl_first == -1)
1545     {
1546       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1547       int leveldir_pos = posTreeInfo(leveldir_current);
1548       int num_page_entries;
1549       int cl_first, cl_cursor;
1550
1551       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1552         num_page_entries = num_leveldirs;
1553       else
1554         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1555
1556       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1557       cl_cursor = leveldir_pos - cl_first;
1558
1559       leveldir_current->node_parent->node_group->cl_first = cl_first;
1560       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1561     }
1562
1563     leveldir_current = leveldir_current->node_parent;
1564   }
1565 }
1566
1567 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1568 {
1569   static unsigned int title_delay = 0;
1570   static int title_screen_nr = 0;
1571   static int last_sound = -1, last_music = -1;
1572   boolean return_to_main_menu = FALSE;
1573   struct TitleControlInfo *tci;
1574   int sound, music;
1575
1576   if (button == MB_MENU_INITIALIZE)
1577   {
1578     title_delay = 0;
1579     title_screen_nr = 0;
1580     tci = &title_controls[title_screen_nr];
1581
1582     SetAnimStatus(getTitleAnimMode(tci));
1583
1584     last_sound = SND_UNDEFINED;
1585     last_music = MUS_UNDEFINED;
1586
1587     if (num_title_screens != 0)
1588     {
1589       FadeSetEnterScreen();
1590
1591       /* use individual title fading instead of global "enter screen" fading */
1592       fading = getTitleFading(tci);
1593     }
1594
1595     if (game_status_last_screen == GAME_MODE_INFO)
1596     {
1597       if (num_title_screens == 0)
1598       {
1599         /* switch game mode from title screen mode back to info screen mode */
1600         SetGameStatus(GAME_MODE_INFO);
1601
1602         /* store that last screen was info screen, not main menu screen */
1603         game_status_last_screen = GAME_MODE_INFO;
1604
1605         DrawInfoScreen_NotAvailable("Title screen information:",
1606                                     "No title screen for this level set.");
1607         return;
1608       }
1609
1610       FadeMenuSoundsAndMusic();
1611     }
1612
1613     FadeOut(REDRAW_ALL);
1614
1615     /* title screens may have different window size */
1616     ChangeViewportPropertiesIfNeeded();
1617
1618     /* only required to update logic for redrawing global border */
1619     ClearField();
1620
1621     if (tci->is_image)
1622       DrawTitleScreenImage(tci->local_nr, tci->initial);
1623     else
1624       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1625
1626     sound = getTitleSound(tci);
1627     music = getTitleMusic(tci);
1628
1629     if (sound != last_sound)
1630       PlayMenuSoundExt(sound);
1631     if (music != last_music)
1632       PlayMenuMusicExt(music);
1633
1634     last_sound = sound;
1635     last_music = music;
1636
1637     SetMouseCursor(CURSOR_NONE);
1638
1639     FadeIn(REDRAW_ALL);
1640
1641     DelayReached(&title_delay, 0);      /* reset delay counter */
1642
1643     return;
1644   }
1645
1646   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1647     button = MB_MENU_CHOICE;
1648
1649   if (button == MB_MENU_LEAVE)
1650   {
1651     return_to_main_menu = TRUE;
1652   }
1653   else if (button == MB_MENU_CHOICE)
1654   {
1655     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1656     {
1657       SetGameStatus(GAME_MODE_INFO);
1658
1659       info_mode = INFO_MODE_MAIN;
1660
1661       DrawInfoScreen();
1662
1663       return;
1664     }
1665
1666     title_screen_nr++;
1667
1668     if (title_screen_nr < num_title_screens)
1669     {
1670       tci = &title_controls[title_screen_nr];
1671
1672       SetAnimStatus(getTitleAnimMode(tci));
1673
1674       sound = getTitleSound(tci);
1675       music = getTitleMusic(tci);
1676
1677       if (last_sound != SND_UNDEFINED && sound != last_sound)
1678         FadeSound(last_sound);
1679       if (last_music != MUS_UNDEFINED && music != last_music)
1680         FadeMusic();
1681
1682       fading = getTitleFading(tci);
1683
1684       FadeOut(REDRAW_ALL);
1685
1686       if (tci->is_image)
1687         DrawTitleScreenImage(tci->local_nr, tci->initial);
1688       else
1689         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1690
1691       sound = getTitleSound(tci);
1692       music = getTitleMusic(tci);
1693
1694       if (sound != last_sound)
1695         PlayMenuSoundExt(sound);
1696       if (music != last_music)
1697         PlayMenuMusicExt(music);
1698
1699       last_sound = sound;
1700       last_music = music;
1701
1702       FadeIn(REDRAW_ALL);
1703
1704       DelayReached(&title_delay, 0);    /* reset delay counter */
1705     }
1706     else
1707     {
1708       FadeMenuSoundsAndMusic();
1709
1710       return_to_main_menu = TRUE;
1711     }
1712   }
1713
1714   if (return_to_main_menu)
1715   {
1716     SetMouseCursor(CURSOR_DEFAULT);
1717
1718     /* force full menu screen redraw after displaying title screens */
1719     redraw_mask = REDRAW_ALL;
1720
1721     if (game_status_last_screen == GAME_MODE_INFO)
1722     {
1723       SetGameStatus(GAME_MODE_INFO);
1724
1725       info_mode = INFO_MODE_MAIN;
1726
1727       DrawInfoScreen();
1728     }
1729     else        /* default: return to main menu */
1730     {
1731       SetGameStatus(GAME_MODE_MAIN);
1732
1733       DrawMainMenu();
1734     }
1735   }
1736 }
1737
1738 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1739 {
1740   int old_level_nr = level_nr;
1741   int new_level_nr;
1742
1743   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1744     new_level_nr = selected_level_nr;
1745   else
1746     new_level_nr = old_level_nr + step * direction;
1747
1748   if (new_level_nr < leveldir_current->first_level)
1749     new_level_nr = leveldir_current->first_level;
1750   if (new_level_nr > leveldir_current->last_level)
1751     new_level_nr = leveldir_current->last_level;
1752
1753   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1754   {
1755     /* skipping levels is only allowed when trying to skip single level */
1756     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1757         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1758     {
1759       leveldir_current->handicap_level++;
1760       SaveLevelSetup_SeriesInfo();
1761     }
1762
1763     new_level_nr = leveldir_current->handicap_level;
1764   }
1765
1766   if (new_level_nr != old_level_nr)
1767   {
1768     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1769
1770     PlaySound(SND_MENU_ITEM_SELECTING);
1771
1772     level_nr = new_level_nr;
1773
1774     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1775              int2str(level_nr, menu.main.text.level_number.size),
1776              mci->pos_text->font);
1777
1778     LoadLevel(level_nr);
1779     DrawPreviewLevelInitial();
1780
1781     TapeErase();
1782     LoadTape(level_nr);
1783     DrawCompleteVideoDisplay();
1784
1785     /* needed because DrawPreviewLevelInitial() takes some time */
1786     BackToFront();
1787     /* SyncDisplay(); */
1788   }
1789 }
1790
1791 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1792 {
1793   static int choice = MAIN_CONTROL_GAME;
1794   static boolean button_pressed_last = FALSE;
1795   boolean button_pressed = FALSE;
1796   int pos = choice;
1797   int i;
1798
1799   if (button == MB_MENU_INITIALIZE)
1800   {
1801     DrawCursorAndText_Main(choice, TRUE, FALSE);
1802
1803     return;
1804   }
1805
1806   if (mx || my)         /* mouse input */
1807   {
1808     pos = -1;
1809
1810     for (i = 0; main_controls[i].nr != -1; i++)
1811     {
1812       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1813           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1814           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1815       {
1816         pos = main_controls[i].nr;
1817
1818         break;
1819       }
1820     }
1821
1822     /* check if level preview was clicked */
1823     if (insidePreviewRect(&preview, mx - SX, my - SY))
1824       pos = MAIN_CONTROL_GAME;
1825
1826     // handle pressed/unpressed state for active/inactive menu buttons
1827     // (if pos != -1, "i" contains index position corresponding to "pos")
1828     if (button &&
1829         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1830         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1831       button_pressed = TRUE;
1832
1833     if (button_pressed != button_pressed_last)
1834     {
1835       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1836
1837       if (button_pressed)
1838         PlaySound(SND_MENU_BUTTON_PRESSING);
1839       else
1840         PlaySound(SND_MENU_BUTTON_RELEASING);
1841     }
1842   }
1843   else if (dx || dy)    /* keyboard input */
1844   {
1845     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1846                    choice == MAIN_CONTROL_SETUP))
1847       button = MB_MENU_CHOICE;
1848     else if (dy)
1849       pos = choice + dy;
1850   }
1851
1852   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1853   {
1854     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1855   }
1856   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1857   {
1858     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1859   }
1860   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1861   {
1862     CloseDoor(DOOR_CLOSE_2);
1863
1864     SetGameStatus(GAME_MODE_LEVELNR);
1865
1866     DrawChooseLevelNr();
1867   }
1868   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1869   {
1870     if (button)
1871     {
1872       if (pos != choice)
1873       {
1874         PlaySound(SND_MENU_ITEM_ACTIVATING);
1875
1876         DrawCursorAndText_Main(choice, FALSE, FALSE);
1877         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1878
1879         choice = pos;
1880       }
1881       else if (dx != 0)
1882       {
1883         if (choice != MAIN_CONTROL_INFO &&
1884             choice != MAIN_CONTROL_SETUP)
1885           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
1886       }
1887     }
1888     else
1889     {
1890       PlaySound(SND_MENU_ITEM_SELECTING);
1891
1892       if (pos == MAIN_CONTROL_NAME)
1893       {
1894         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
1895
1896         HandleTypeName(strlen(setup.player_name), 0);
1897       }
1898       else if (pos == MAIN_CONTROL_LEVELS)
1899       {
1900         if (leveldir_first)
1901         {
1902           CloseDoor(DOOR_CLOSE_2);
1903
1904           SetGameStatus(GAME_MODE_LEVELS);
1905
1906           SaveLevelSetup_LastSeries();
1907           SaveLevelSetup_SeriesInfo();
1908
1909           if (setup.internal.choose_from_top_leveldir)
1910             gotoTopLevelDir();
1911
1912           DrawChooseLevelSet();
1913         }
1914       }
1915       else if (pos == MAIN_CONTROL_SCORES)
1916       {
1917         CloseDoor(DOOR_CLOSE_2);
1918
1919         SetGameStatus(GAME_MODE_SCORES);
1920
1921         DrawHallOfFame(-1);
1922       }
1923       else if (pos == MAIN_CONTROL_EDITOR)
1924       {
1925         if (leveldir_current->readonly &&
1926             !strEqual(setup.player_name, "Artsoft"))
1927           Request("This level is read only!", REQ_CONFIRM);
1928
1929         CloseDoor(DOOR_CLOSE_2);
1930
1931         SetGameStatus(GAME_MODE_EDITOR);
1932
1933         FadeSetEnterScreen();
1934
1935         DrawLevelEd();
1936       }
1937       else if (pos == MAIN_CONTROL_INFO)
1938       {
1939         CloseDoor(DOOR_CLOSE_2);
1940
1941         SetGameStatus(GAME_MODE_INFO);
1942
1943         info_mode = INFO_MODE_MAIN;
1944
1945         DrawInfoScreen();
1946       }
1947       else if (pos == MAIN_CONTROL_GAME)
1948       {
1949         StartGameActions(options.network, setup.autorecord, level.random_seed);
1950       }
1951       else if (pos == MAIN_CONTROL_SETUP)
1952       {
1953         CloseDoor(DOOR_CLOSE_2);
1954
1955         SetGameStatus(GAME_MODE_SETUP);
1956
1957         setup_mode = SETUP_MODE_MAIN;
1958
1959         DrawSetupScreen();
1960       }
1961       else if (pos == MAIN_CONTROL_QUIT)
1962       {
1963         SaveLevelSetup_LastSeries();
1964         SaveLevelSetup_SeriesInfo();
1965
1966         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1967           SetGameStatus(GAME_MODE_QUIT);
1968       }
1969     }
1970   }
1971
1972   button_pressed_last = button_pressed;
1973 }
1974
1975
1976 /* ========================================================================= */
1977 /* info screen functions                                                     */
1978 /* ========================================================================= */
1979
1980 static struct TokenInfo *info_info;
1981 static int num_info_info;       /* number of info entries shown on screen */
1982 static int max_info_info;       /* total number of info entries in list */
1983
1984 static void execInfoTitleScreen()
1985 {
1986   info_mode = INFO_MODE_TITLE;
1987
1988   DrawInfoScreen();
1989 }
1990
1991 static void execInfoElements()
1992 {
1993   info_mode = INFO_MODE_ELEMENTS;
1994
1995   DrawInfoScreen();
1996 }
1997
1998 static void execInfoMusic()
1999 {
2000   info_mode = INFO_MODE_MUSIC;
2001
2002   DrawInfoScreen();
2003 }
2004
2005 static void execInfoCredits()
2006 {
2007   info_mode = INFO_MODE_CREDITS;
2008
2009   DrawInfoScreen();
2010 }
2011
2012 static void execInfoProgram()
2013 {
2014   info_mode = INFO_MODE_PROGRAM;
2015
2016   DrawInfoScreen();
2017 }
2018
2019 static void execInfoVersion()
2020 {
2021   info_mode = INFO_MODE_VERSION;
2022
2023   DrawInfoScreen();
2024 }
2025
2026 static void execInfoLevelSet()
2027 {
2028   info_mode = INFO_MODE_LEVELSET;
2029
2030   DrawInfoScreen();
2031 }
2032
2033 static void execExitInfo()
2034 {
2035   SetGameStatus(GAME_MODE_MAIN);
2036
2037   DrawMainMenu();
2038 }
2039
2040 static struct TokenInfo info_info_main[] =
2041 {
2042   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2043   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2044   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2045   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2046   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2047   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2048   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2049   { TYPE_EMPTY,         NULL,                   ""                      },
2050   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2051
2052   { 0,                  NULL,                   NULL                    }
2053 };
2054
2055 static int getMenuTextFont(int type)
2056 {
2057   if (type & (TYPE_SWITCH       |
2058               TYPE_YES_NO       |
2059               TYPE_YES_NO_AUTO  |
2060               TYPE_STRING       |
2061               TYPE_ECS_AGA      |
2062               TYPE_KEYTEXT      |
2063               TYPE_ENTER_LIST))
2064     return FONT_MENU_2;
2065   else
2066     return FONT_MENU_1;
2067 }
2068
2069 static struct TokenInfo *setup_info;
2070 static struct TokenInfo setup_info_input[];
2071
2072 static struct TokenInfo *menu_info;
2073
2074 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2075                                        int screen_pos, int menu_info_pos_raw,
2076                                        boolean active)
2077 {
2078   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2079   struct TokenInfo *ti = &token_info[pos];
2080   int xpos = MENU_SCREEN_START_XPOS;
2081   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2082   int font_nr = getMenuTextFont(ti->type);
2083
2084   if (token_info == setup_info_input)
2085     font_nr = FONT_MENU_1;
2086
2087   if (active)
2088     font_nr = FONT_ACTIVE(font_nr);
2089
2090   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2091
2092   if (ti->type & ~TYPE_SKIP_ENTRY)
2093     drawCursor(screen_pos, active);
2094 }
2095
2096 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2097                                    boolean active)
2098 {
2099   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2100 }
2101
2102 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2103                                     boolean active)
2104 {
2105   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2106 }
2107
2108 static char *window_size_text;
2109 static char *scaling_type_text;
2110
2111 static void drawSetupValue(int, int);
2112
2113 static void drawMenuInfoList(int first_entry, int num_page_entries,
2114                              int max_page_entries)
2115 {
2116   int i;
2117
2118   if (first_entry + num_page_entries > max_page_entries)
2119     first_entry = 0;
2120
2121   clearMenuListArea();
2122
2123   for (i = 0; i < num_page_entries; i++)
2124   {
2125     int menu_info_pos = first_entry + i;
2126     struct TokenInfo *si = &menu_info[menu_info_pos];
2127     void *value_ptr = si->value;
2128
2129     /* set some entries to "unchangeable" according to other variables */
2130     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2131         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2132         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2133         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2134         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2135         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2136       si->type |= TYPE_GHOSTED;
2137
2138     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2139       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2140     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2141       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2142     else if (si->type & ~TYPE_SKIP_ENTRY)
2143       initCursor(i, IMG_MENU_BUTTON);
2144
2145     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2146
2147     if (si->type & TYPE_VALUE &&
2148         menu_info == setup_info)
2149       drawSetupValue(i, menu_info_pos);
2150   }
2151 }
2152
2153 static void DrawInfoScreen_Main()
2154 {
2155   int fade_mask = REDRAW_FIELD;
2156   int i;
2157
2158   if (redraw_mask & REDRAW_ALL)
2159     fade_mask = REDRAW_ALL;
2160
2161   if (CheckIfGlobalBorderHasChanged())
2162     fade_mask = REDRAW_ALL;
2163
2164   UnmapAllGadgets();
2165   FadeMenuSoundsAndMusic();
2166
2167   FreeScreenGadgets();
2168   CreateScreenGadgets();
2169
2170   /* (needed after displaying title screens which disable auto repeat) */
2171   KeyboardAutoRepeatOn();
2172
2173   FadeSetLeaveScreen();
2174
2175   FadeOut(fade_mask);
2176
2177   /* needed if different viewport properties defined for info screen */
2178   ChangeViewportPropertiesIfNeeded();
2179
2180   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2181
2182   ClearField();
2183
2184   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2185
2186   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2187
2188   info_info = info_info_main;
2189
2190   // determine maximal number of info entries that can be displayed on screen
2191   num_info_info = 0;
2192   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2193     num_info_info++;
2194
2195   // determine maximal number of info entries available for menu of info screen
2196   max_info_info = 0;
2197   for (i = 0; info_info[i].type != 0; i++)
2198     max_info_info++;
2199
2200   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2201
2202   MapScreenGadgets(max_info_info);
2203
2204   PlayMenuSoundsAndMusic();
2205
2206   DrawMaskedBorder(fade_mask);
2207
2208   FadeIn(fade_mask);
2209 }
2210
2211 static void changeSetupValue(int, int, int);
2212
2213 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2214                       int mode, int num_page_entries, int max_page_entries)
2215 {
2216   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2217   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2218   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2219   int *num_page_entries_last = num_page_entries_all_last[game_status];
2220   int *choice_store = choice_stores[game_status];
2221   int *first_entry_store = first_entry_stores[game_status];
2222   int choice = choice_store[mode];              /* starts with 0 */
2223   int first_entry = first_entry_store[mode];    /* starts with 0 */
2224   int x = 0;
2225   int y = choice - first_entry;
2226   int y_old = y;
2227   boolean position_set_by_scrollbar = (dx == 999);
2228   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2229   int i;
2230
2231   if (button == MB_MENU_INITIALIZE)
2232   {
2233     // check if number of menu page entries has changed (may happen by change
2234     // of custom artwork definition value for 'list_size' for this menu screen)
2235     // (in this case, the last menu position most probably has to be corrected)
2236     if (num_page_entries != num_page_entries_last[mode])
2237     {
2238       choice_store[mode] = first_entry_store[mode] = 0;
2239
2240       choice = first_entry = 0;
2241       y = y_old = 0;
2242
2243       num_page_entries_last[mode] = num_page_entries;
2244     }
2245
2246     /* advance to first valid menu entry */
2247     while (choice < num_page_entries &&
2248            menu_info[choice].type & TYPE_SKIP_ENTRY)
2249       choice++;
2250
2251     if (position_set_by_scrollbar)
2252       first_entry = first_entry_store[mode] = dy;
2253     else
2254       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2255                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2256
2257     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2258
2259     if (choice < first_entry)
2260     {
2261       choice = first_entry;
2262
2263       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2264         choice++;
2265     }
2266     else if (choice > first_entry + num_page_entries - 1)
2267     {
2268       choice = first_entry + num_page_entries - 1;
2269
2270       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2271         choice--;
2272     }
2273
2274     choice_store[mode] = choice;
2275
2276     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2277
2278     return;
2279   }
2280   else if (button == MB_MENU_LEAVE)
2281   {
2282     PlaySound(SND_MENU_ITEM_SELECTING);
2283
2284     for (i = 0; i < max_page_entries; i++)
2285     {
2286       if (menu_info[i].type & TYPE_LEAVE_MENU)
2287       {
2288         void (*menu_callback_function)(void) = menu_info[i].value;
2289
2290         FadeSetLeaveMenu();
2291
2292         menu_callback_function();
2293
2294         break;  /* absolutely needed because function changes 'menu_info'! */
2295       }
2296     }
2297
2298     return;
2299   }
2300
2301   if (mx || my)         /* mouse input */
2302   {
2303     x = (mx - mSX) / 32;
2304     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2305   }
2306   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2307   {
2308     /* move cursor instead of scrolling when already at start/end of list */
2309     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2310       dy = -1;
2311     else if (dy == +1 * SCROLL_LINE &&
2312              first_entry + num_page_entries == max_page_entries)
2313       dy = 1;
2314
2315     /* handle scrolling screen one line or page */
2316     if (y + dy < 0 ||
2317         y + dy > num_page_entries - 1)
2318     {
2319       boolean redraw = FALSE;
2320
2321       if (ABS(dy) == SCROLL_PAGE)
2322         step = num_page_entries - 1;
2323
2324       if (dy < 0 && first_entry > 0)
2325       {
2326         /* scroll page/line up */
2327
2328         first_entry -= step;
2329         if (first_entry < 0)
2330           first_entry = 0;
2331
2332         redraw = TRUE;
2333       }
2334       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2335       {
2336         /* scroll page/line down */
2337
2338         first_entry += step;
2339         if (first_entry + num_page_entries > max_page_entries)
2340           first_entry = MAX(0, max_page_entries - num_page_entries);
2341
2342         redraw = TRUE;
2343       }
2344
2345       if (redraw)
2346       {
2347         choice += first_entry - first_entry_store[mode];
2348
2349         if (choice < first_entry)
2350         {
2351           choice = first_entry;
2352
2353           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2354             choice++;
2355         }
2356         else if (choice > first_entry + num_page_entries - 1)
2357         {
2358           choice = first_entry + num_page_entries - 1;
2359
2360           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2361             choice--;
2362         }
2363         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2364         {
2365           choice += SIGN(dy);
2366
2367           if (choice < first_entry ||
2368               choice > first_entry + num_page_entries - 1)
2369           first_entry += SIGN(dy);
2370         }
2371
2372         first_entry_store[mode] = first_entry;
2373         choice_store[mode] = choice;
2374
2375         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2376
2377         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2378
2379         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2380                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2381       }
2382
2383       return;
2384     }
2385
2386     if (dx)
2387     {
2388       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2389
2390       if (menu_info[choice].type & menu_navigation_type ||
2391           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2392           menu_info[choice].type & TYPE_YES_NO_AUTO)
2393         button = MB_MENU_CHOICE;
2394     }
2395     else if (dy)
2396       y += dy;
2397
2398     /* jump to next non-empty menu entry (up or down) */
2399     while (first_entry + y > 0 &&
2400            first_entry + y < max_page_entries - 1 &&
2401            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2402       y += dy;
2403
2404     if (!IN_VIS_MENU(x, y))
2405     {
2406       choice += y - y_old;
2407
2408       if (choice < first_entry)
2409         first_entry = choice;
2410       else if (choice > first_entry + num_page_entries - 1)
2411         first_entry = choice - num_page_entries + 1;
2412
2413       if (first_entry >= 0 &&
2414           first_entry + num_page_entries <= max_page_entries)
2415       {
2416         first_entry_store[mode] = first_entry;
2417
2418         if (choice < first_entry)
2419           choice = first_entry;
2420         else if (choice > first_entry + num_page_entries - 1)
2421           choice = first_entry + num_page_entries - 1;
2422
2423         choice_store[mode] = choice;
2424
2425         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2426
2427         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2428
2429         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2430                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2431       }
2432
2433       return;
2434     }
2435   }
2436
2437   if (!anyScrollbarGadgetActive() &&
2438       IN_VIS_MENU(x, y) &&
2439       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2440       y >= 0 && y < num_page_entries)
2441   {
2442     if (button)
2443     {
2444       if (first_entry + y != choice &&
2445           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2446       {
2447         PlaySound(SND_MENU_ITEM_ACTIVATING);
2448
2449         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2450         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2451
2452         choice = choice_store[mode] = first_entry + y;
2453       }
2454       else if (dx < 0)
2455       {
2456         PlaySound(SND_MENU_ITEM_SELECTING);
2457
2458         for (i = 0; menu_info[i].type != 0; i++)
2459         {
2460           if (menu_info[i].type & TYPE_LEAVE_MENU)
2461           {
2462             void (*menu_callback_function)(void) = menu_info[i].value;
2463
2464             FadeSetLeaveMenu();
2465
2466             menu_callback_function();
2467
2468             /* absolutely needed because function changes 'menu_info'! */
2469             break;
2470           }
2471         }
2472
2473         return;
2474       }
2475     }
2476     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2477     {
2478       PlaySound(SND_MENU_ITEM_SELECTING);
2479
2480       /* when selecting key headline, execute function for key value change */
2481       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2482           menu_info[first_entry + y + 1].type & TYPE_KEY)
2483         y++;
2484
2485       /* when selecting string value, execute function for list selection */
2486       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2487           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2488         y--;
2489
2490       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2491       {
2492         void (*menu_callback_function)(void) =
2493           menu_info[first_entry + y].value;
2494
2495         FadeSetFromType(menu_info[first_entry + y].type);
2496
2497         menu_callback_function();
2498       }
2499       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2500                menu_info == setup_info)
2501       {
2502         changeSetupValue(y, first_entry + y, dx);
2503       }
2504     }
2505   }
2506 }
2507
2508 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2509 {
2510   menu_info = info_info;
2511
2512   HandleMenuScreen(mx, my, dx, dy, button,
2513                    info_mode, num_info_info, max_info_info);
2514 }
2515
2516 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2517 {
2518   int ystart1 = mSY - SY + 100;
2519   int ystart2 = mSY - SY + 150;
2520   int ybottom = mSY - SY + SYSIZE - 20;
2521
2522   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2523
2524   FadeOut(REDRAW_FIELD);
2525
2526   ClearField();
2527   DrawHeadline();
2528
2529   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2530   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2531
2532   DrawTextSCentered(ybottom, FONT_TEXT_4,
2533                     "Press any key or button for info menu");
2534
2535   FadeIn(REDRAW_FIELD);
2536 }
2537
2538 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2539 {
2540   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2541   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2542   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2543   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2544   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2545   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2546   int ystep = MENU_SCREEN_INFO_YSTEP;
2547   int element, action, direction;
2548   int graphic;
2549   int delay;
2550   int sync_frame;
2551   int i, j;
2552
2553   if (init)
2554   {
2555     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2556       infoscreen_step[i] = infoscreen_frame[i] = 0;
2557
2558     ClearField();
2559     DrawHeadline();
2560
2561     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2562
2563     DrawTextSCentered(ybottom, FONT_TEXT_4,
2564                       "Press any key or button for next page");
2565
2566     FrameCounter = 0;
2567   }
2568
2569   i = j = 0;
2570   while (helpanim_info[j].element != HELPANIM_LIST_END)
2571   {
2572     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2573         i >= max_anims)
2574       break;
2575     else if (i < start)
2576     {
2577       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2578         j++;
2579
2580       j++;
2581       i++;
2582
2583       continue;
2584     }
2585
2586     j += infoscreen_step[i - start];
2587
2588     element = helpanim_info[j].element;
2589     action = helpanim_info[j].action;
2590     direction = helpanim_info[j].direction;
2591
2592     if (element < 0)
2593       element = EL_UNKNOWN;
2594
2595     if (action != -1 && direction != -1)
2596       graphic = el_act_dir2img(element, action, direction);
2597     else if (action != -1)
2598       graphic = el_act2img(element, action);
2599     else if (direction != -1)
2600       graphic = el_dir2img(element, direction);
2601     else
2602       graphic = el2img(element);
2603
2604     delay = helpanim_info[j++].delay;
2605
2606     if (delay == -1)
2607       delay = 1000000;
2608
2609     if (infoscreen_frame[i - start] == 0)
2610     {
2611       sync_frame = 0;
2612       infoscreen_frame[i - start] = delay - 1;
2613     }
2614     else
2615     {
2616       sync_frame = delay - infoscreen_frame[i - start];
2617       infoscreen_frame[i - start]--;
2618     }
2619
2620     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2621     {
2622       if (!infoscreen_frame[i - start])
2623         infoscreen_step[i - start] = 0;
2624     }
2625     else
2626     {
2627       if (!infoscreen_frame[i - start])
2628         infoscreen_step[i - start]++;
2629       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2630         j++;
2631     }
2632
2633     j++;
2634
2635     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2636                                TILEX, TILEY);
2637     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2638                                  graphic, sync_frame, USE_MASKING);
2639
2640     if (init)
2641       DrawInfoScreen_HelpText(element, action, direction, i - start);
2642
2643     i++;
2644   }
2645
2646   redraw_mask |= REDRAW_FIELD;
2647
2648   FrameCounter++;
2649 }
2650
2651 static char *getHelpText(int element, int action, int direction)
2652 {
2653   char token[MAX_LINE_LEN];
2654
2655   strcpy(token, element_info[element].token_name);
2656
2657   if (action != -1)
2658     strcat(token, element_action_info[action].suffix);
2659
2660   if (direction != -1)
2661     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2662
2663   return getHashEntry(helptext_info, token);
2664 }
2665
2666 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2667 {
2668   int font_nr = FONT_INFO_ELEMENTS;
2669   int font_width = getFontWidth(font_nr);
2670   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2671   int sy = mSY + 65 + 2 * 32 + 1;
2672   int ystep = TILEY + 4;
2673   int pad_x = sx - SX;
2674   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2675   int max_lines_per_text = 2;
2676   char *text = NULL;
2677
2678   if (action != -1 && direction != -1)          /* element.action.direction */
2679     text = getHelpText(element, action, direction);
2680
2681   if (text == NULL && action != -1)             /* element.action */
2682     text = getHelpText(element, action, -1);
2683
2684   if (text == NULL && direction != -1)          /* element.direction */
2685     text = getHelpText(element, -1, direction);
2686
2687   if (text == NULL)                             /* base element */
2688     text = getHelpText(element, -1, -1);
2689
2690   if (text == NULL)                             /* not found */
2691     text = "No description available";
2692
2693   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2694     sy += getFontHeight(font_nr) / 2;
2695
2696   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2697                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2698                  TRUE, FALSE, FALSE);
2699 }
2700
2701 void DrawInfoScreen_TitleScreen()
2702 {
2703   SetGameStatus(GAME_MODE_TITLE);
2704
2705   DrawTitleScreen();
2706 }
2707
2708 void HandleInfoScreen_TitleScreen(int button)
2709 {
2710   HandleTitleScreen(0, 0, 0, 0, button);
2711 }
2712
2713 void DrawInfoScreen_Elements()
2714 {
2715   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2716
2717   FadeOut(REDRAW_FIELD);
2718
2719   LoadHelpAnimInfo();
2720   LoadHelpTextInfo();
2721
2722   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2723
2724   FadeIn(REDRAW_FIELD);
2725 }
2726
2727 void HandleInfoScreen_Elements(int button)
2728 {
2729   static unsigned int info_delay = 0;
2730   static int num_anims;
2731   static int num_pages;
2732   static int page;
2733   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2734   int i;
2735
2736   if (button == MB_MENU_INITIALIZE)
2737   {
2738     boolean new_element = TRUE;
2739
2740     num_anims = 0;
2741
2742     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2743     {
2744       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2745         new_element = TRUE;
2746       else if (new_element)
2747       {
2748         num_anims++;
2749         new_element = FALSE;
2750       }
2751     }
2752
2753     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2754     page = 0;
2755   }
2756
2757   if (button == MB_MENU_LEAVE)
2758   {
2759     PlaySound(SND_MENU_ITEM_SELECTING);
2760
2761     info_mode = INFO_MODE_MAIN;
2762     DrawInfoScreen();
2763
2764     return;
2765   }
2766   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2767   {
2768     if (button != MB_MENU_INITIALIZE)
2769     {
2770       PlaySound(SND_MENU_ITEM_SELECTING);
2771
2772       page++;
2773     }
2774
2775     if (page >= num_pages)
2776     {
2777       FadeMenuSoundsAndMusic();
2778
2779       info_mode = INFO_MODE_MAIN;
2780       DrawInfoScreen();
2781
2782       return;
2783     }
2784
2785     if (page > 0)
2786       FadeSetNextScreen();
2787
2788     if (button != MB_MENU_INITIALIZE)
2789       FadeOut(REDRAW_FIELD);
2790
2791     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2792
2793     if (button != MB_MENU_INITIALIZE)
2794       FadeIn(REDRAW_FIELD);
2795   }
2796   else
2797   {
2798     if (DelayReached(&info_delay, GameFrameDelay))
2799       if (page < num_pages)
2800         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2801
2802     PlayMenuSoundIfLoop();
2803   }
2804 }
2805
2806 void DrawInfoScreen_Music()
2807 {
2808   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2809
2810   FadeOut(REDRAW_FIELD);
2811
2812   ClearField();
2813   DrawHeadline();
2814
2815   LoadMusicInfo();
2816
2817   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2818
2819   FadeIn(REDRAW_FIELD);
2820 }
2821
2822 void HandleInfoScreen_Music(int button)
2823 {
2824   static struct MusicFileInfo *list = NULL;
2825   int ystart1 = mSY - SY + 100;
2826   int ystart2 = mSY - SY + 150;
2827   int ybottom = mSY - SY + SYSIZE - 20;
2828   int dy = 30;
2829
2830   if (button == MB_MENU_INITIALIZE)
2831   {
2832     list = music_file_info;
2833
2834     if (list == NULL)
2835     {
2836       FadeMenuSoundsAndMusic();
2837
2838       ClearField();
2839       DrawHeadline();
2840
2841       DrawTextSCentered(ystart1, FONT_TEXT_1,
2842                         "No music info for this level set.");
2843
2844       DrawTextSCentered(ybottom, FONT_TEXT_4,
2845                         "Press any key or button for info menu");
2846
2847       return;
2848     }
2849   }
2850
2851   if (button == MB_MENU_LEAVE)
2852   {
2853     PlaySound(SND_MENU_ITEM_SELECTING);
2854
2855     FadeMenuSoundsAndMusic();
2856
2857     info_mode = INFO_MODE_MAIN;
2858     DrawInfoScreen();
2859
2860     return;
2861   }
2862   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2863   {
2864     int y = 0;
2865
2866     if (button != MB_MENU_INITIALIZE)
2867     {
2868       PlaySound(SND_MENU_ITEM_SELECTING);
2869
2870       if (list != NULL)
2871         list = list->next;
2872     }
2873
2874     if (list == NULL)
2875     {
2876       FadeMenuSoundsAndMusic();
2877
2878       info_mode = INFO_MODE_MAIN;
2879       DrawInfoScreen();
2880
2881       return;
2882     }
2883
2884     FadeMenuSoundsAndMusic();
2885
2886     if (list != music_file_info)
2887       FadeSetNextScreen();
2888
2889     if (button != MB_MENU_INITIALIZE)
2890       FadeOut(REDRAW_FIELD);
2891
2892     ClearField();
2893     DrawHeadline();
2894
2895     if (list->is_sound)
2896     {
2897       int sound = list->music;
2898
2899       if (sound_info[sound].loop)
2900         PlaySoundLoop(sound);
2901       else
2902         PlaySound(sound);
2903
2904       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2905     }
2906     else
2907     {
2908       PlayMusic(list->music);
2909
2910       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2911     }
2912
2913     if (!strEqual(list->title, UNKNOWN_NAME))
2914     {
2915       if (!strEqual(list->title_header, UNKNOWN_NAME))
2916         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2917
2918       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2919     }
2920
2921     if (!strEqual(list->artist, UNKNOWN_NAME))
2922     {
2923       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2924         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2925       else
2926         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2927
2928       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2929     }
2930
2931     if (!strEqual(list->album, UNKNOWN_NAME))
2932     {
2933       if (!strEqual(list->album_header, UNKNOWN_NAME))
2934         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2935       else
2936         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2937
2938       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2939     }
2940
2941     if (!strEqual(list->year, UNKNOWN_NAME))
2942     {
2943       if (!strEqual(list->year_header, UNKNOWN_NAME))
2944         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2945       else
2946         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2947
2948       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2949     }
2950
2951     DrawTextSCentered(ybottom, FONT_TEXT_4,
2952                       "Press any key or button for next page");
2953
2954     if (button != MB_MENU_INITIALIZE)
2955       FadeIn(REDRAW_FIELD);
2956   }
2957
2958   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2959     PlaySoundLoop(list->music);
2960 }
2961
2962 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2963 {
2964   int ystart1 = mSY - SY + 100;
2965   int ystart2 = mSY - SY + 150;
2966   int ybottom = mSY - SY + SYSIZE - 20;
2967   int ystep = 30;
2968
2969   ClearField();
2970   DrawHeadline();
2971
2972   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2973
2974   if (screen_nr == 0)
2975   {
2976     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2977                       "Special thanks to");
2978     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2979                       "Peter Liepa");
2980     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2981                       "for creating");
2982     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2983                       "\"Boulder Dash\"");
2984     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2985                       "in the year");
2986     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2987                       "1984");
2988     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2989                       "published by");
2990     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2991                       "First Star Software");
2992   }
2993   else if (screen_nr == 1)
2994   {
2995     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2996                       "Special thanks to");
2997     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2998                       "Klaus Heinz & Volker Wertich");
2999     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3000                       "for creating");
3001     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3002                       "\"Emerald Mine\"");
3003     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3004                       "in the year");
3005     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3006                       "1987");
3007     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3008                       "published by");
3009     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3010                       "Kingsoft");
3011   }
3012   else if (screen_nr == 2)
3013   {
3014     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3015                       "Special thanks to");
3016     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3017                       "Michael Stopp & Philip Jespersen");
3018     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3019                       "for creating");
3020     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3021                       "\"Supaplex\"");
3022     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3023                       "in the year");
3024     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3025                       "1991");
3026     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3027                       "published by");
3028     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3029                       "Digital Integration");
3030   }
3031   else if (screen_nr == 3)
3032   {
3033     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3034                       "Special thanks to");
3035     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3036                       "Hiroyuki Imabayashi");
3037     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3038                       "for creating");
3039     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3040                       "\"Sokoban\"");
3041     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3042                       "in the year");
3043     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3044                       "1982");
3045     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3046                       "published by");
3047     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3048                       "Thinking Rabbit");
3049   }
3050   else if (screen_nr == 4)
3051   {
3052     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3053                       "Special thanks to");
3054     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3055                       "Alan Bond");
3056     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3057                       "and");
3058     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3059                       "J\xfcrgen Bonhagen");
3060     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3061                       "for the continuous creation");
3062     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3063                       "of outstanding level sets");
3064   }
3065   else if (screen_nr == 5)
3066   {
3067     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3068                       "Thanks to");
3069     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3070                       "Peter Elzner");
3071     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3072                       "for ideas and inspiration by");
3073     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3074                       "Diamond Caves");
3075
3076     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3077                       "Thanks to");
3078     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3079                       "Steffest");
3080     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3081                       "for ideas and inspiration by");
3082     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3083                       "DX-Boulderdash");
3084   }
3085   else if (screen_nr == 6)
3086   {
3087     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3088                       "Thanks to");
3089     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3090                       "David Tritscher");
3091 #if 1
3092     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3093                       "for the code base used for the");
3094     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3095                       "native Emerald Mine engine");
3096 #else
3097     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3098                       "for the new Emerald Mine engine");
3099 #endif
3100   }
3101   else if (screen_nr == 7)
3102   {
3103     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3104                       "Thanks to");
3105     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3106                       "Guido Schulz");
3107     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3108                       "for the initial DOS port");
3109
3110     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3111                       "Thanks to");
3112     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3113                       "Karl H\xf6rnell");
3114     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3115                       "for some additional toons");
3116   }
3117   else if (screen_nr == 8)
3118   {
3119     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3120                       "And not to forget:");
3121     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3122                       "Many thanks to");
3123     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3124                       "All those who contributed");
3125     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3126                       "levels to this game");
3127     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3128                       "since 1995");
3129   }
3130
3131   DrawTextSCentered(ybottom, FONT_TEXT_4,
3132                     "Press any key or button for next page");
3133 }
3134
3135 void DrawInfoScreen_Credits()
3136 {
3137   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3138
3139   FadeMenuSoundsAndMusic();
3140
3141   FadeOut(REDRAW_FIELD);
3142
3143   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3144
3145   FadeIn(REDRAW_FIELD);
3146 }
3147
3148 void HandleInfoScreen_Credits(int button)
3149 {
3150   static int screen_nr = 0;
3151   int num_screens = 9;
3152
3153   if (button == MB_MENU_INITIALIZE)
3154   {
3155     screen_nr = 0;
3156
3157     // DrawInfoScreen_CreditsScreen(screen_nr);
3158   }
3159
3160   if (button == MB_MENU_LEAVE)
3161   {
3162     PlaySound(SND_MENU_ITEM_SELECTING);
3163
3164     info_mode = INFO_MODE_MAIN;
3165     DrawInfoScreen();
3166
3167     return;
3168   }
3169   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3170   {
3171     if (button != MB_MENU_INITIALIZE)
3172     {
3173       PlaySound(SND_MENU_ITEM_SELECTING);
3174
3175       screen_nr++;
3176     }
3177
3178     if (screen_nr >= num_screens)
3179     {
3180       FadeMenuSoundsAndMusic();
3181
3182       info_mode = INFO_MODE_MAIN;
3183       DrawInfoScreen();
3184
3185       return;
3186     }
3187
3188     if (screen_nr > 0)
3189       FadeSetNextScreen();
3190
3191     if (button != MB_MENU_INITIALIZE)
3192       FadeOut(REDRAW_FIELD);
3193
3194     DrawInfoScreen_CreditsScreen(screen_nr);
3195
3196     if (button != MB_MENU_INITIALIZE)
3197       FadeIn(REDRAW_FIELD);
3198   }
3199   else
3200   {
3201     PlayMenuSoundIfLoop();
3202   }
3203 }
3204
3205 void DrawInfoScreen_Program()
3206 {
3207   int ystart1 = mSY - SY + 100;
3208   int ystart2 = mSY - SY + 150;
3209   int ybottom = mSY - SY + SYSIZE - 20;
3210   int ystep = 30;
3211
3212   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3213
3214   FadeOut(REDRAW_FIELD);
3215
3216   ClearField();
3217   DrawHeadline();
3218
3219   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3220
3221   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3222                     "This game is Freeware!");
3223   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3224                     "If you like it, send e-mail to:");
3225   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3226                     setup.internal.program_email);
3227   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3228                     "More information and levels:");
3229   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3230                     setup.internal.program_website);
3231   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3232                     "If you have created new levels,");
3233   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3234                     "send them to me to include them!");
3235   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3236                     ":-)");
3237
3238   DrawTextSCentered(ybottom, FONT_TEXT_4,
3239                     "Press any key or button for info menu");
3240
3241   FadeIn(REDRAW_FIELD);
3242 }
3243
3244 void HandleInfoScreen_Program(int button)
3245 {
3246   if (button == MB_MENU_LEAVE)
3247   {
3248     PlaySound(SND_MENU_ITEM_SELECTING);
3249
3250     info_mode = INFO_MODE_MAIN;
3251     DrawInfoScreen();
3252
3253     return;
3254   }
3255   else if (button == MB_MENU_CHOICE)
3256   {
3257     PlaySound(SND_MENU_ITEM_SELECTING);
3258
3259     FadeMenuSoundsAndMusic();
3260
3261     info_mode = INFO_MODE_MAIN;
3262     DrawInfoScreen();
3263   }
3264   else
3265   {
3266     PlayMenuSoundIfLoop();
3267   }
3268 }
3269
3270 void DrawInfoScreen_Version()
3271 {
3272   int font_header = FONT_TEXT_3;
3273   int font_text = FONT_TEXT_2;
3274   int xstep = getFontWidth(font_text);
3275   int ystep = getFontHeight(font_text);
3276   int ystart1 = mSY - SY + 100;
3277   int ystart2 = mSY - SY + 150;
3278   int ybottom = mSY - SY + SYSIZE - 20;
3279   int xstart1 = mSX - SX + 2 * xstep;
3280   int xstart2 = mSX - SX + 18 * xstep;
3281   int xstart3 = mSX - SX + 28 * xstep;
3282   SDL_version sdl_version_compiled;
3283   const SDL_version *sdl_version_linked;
3284   int driver_name_len = 10;
3285 #if defined(TARGET_SDL2)
3286   SDL_version sdl_version_linked_ext;
3287   const char *driver_name = NULL;
3288 #else
3289   char driver_name[driver_name_len];
3290 #endif
3291
3292   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3293
3294   FadeOut(REDRAW_FIELD);
3295
3296   ClearField();
3297   DrawHeadline();
3298
3299   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3300
3301   DrawTextF(xstart1, ystart2, font_header, "Name");
3302   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3303
3304   ystart2 += ystep;
3305   DrawTextF(xstart1, ystart2, font_header, "Version");
3306   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3307
3308   ystart2 += ystep;
3309   DrawTextF(xstart1, ystart2, font_header, "Platform");
3310   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3311
3312   ystart2 += ystep;
3313   DrawTextF(xstart1, ystart2, font_header, "Target");
3314   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3315
3316   ystart2 += ystep;
3317   DrawTextF(xstart1, ystart2, font_header, "Source date");
3318   DrawTextF(xstart2, ystart2, font_text, getSourceDateString());
3319
3320   ystart2 += 3 * ystep;
3321   DrawTextF(xstart1, ystart2, font_header, "Library");
3322   DrawTextF(xstart2, ystart2, font_header, "compiled");
3323   DrawTextF(xstart3, ystart2, font_header, "linked");
3324
3325   SDL_VERSION(&sdl_version_compiled);
3326 #if defined(TARGET_SDL2)
3327   SDL_GetVersion(&sdl_version_linked_ext);
3328   sdl_version_linked = &sdl_version_linked_ext;
3329 #else
3330   sdl_version_linked = SDL_Linked_Version();
3331 #endif
3332
3333   ystart2 += 2 * ystep;
3334   DrawTextF(xstart1, ystart2, font_text, "SDL");
3335   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3336             sdl_version_compiled.major,
3337             sdl_version_compiled.minor,
3338             sdl_version_compiled.patch);
3339   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3340             sdl_version_linked->major,
3341             sdl_version_linked->minor,
3342             sdl_version_linked->patch);
3343
3344   SDL_IMAGE_VERSION(&sdl_version_compiled);
3345   sdl_version_linked = IMG_Linked_Version();
3346
3347   ystart2 += ystep;
3348   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3349   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3350             sdl_version_compiled.major,
3351             sdl_version_compiled.minor,
3352             sdl_version_compiled.patch);
3353   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3354             sdl_version_linked->major,
3355             sdl_version_linked->minor,
3356             sdl_version_linked->patch);
3357
3358   SDL_MIXER_VERSION(&sdl_version_compiled);
3359   sdl_version_linked = Mix_Linked_Version();
3360
3361   ystart2 += ystep;
3362   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3363   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3364             sdl_version_compiled.major,
3365             sdl_version_compiled.minor,
3366             sdl_version_compiled.patch);
3367   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3368             sdl_version_linked->major,
3369             sdl_version_linked->minor,
3370             sdl_version_linked->patch);
3371
3372   SDL_NET_VERSION(&sdl_version_compiled);
3373   sdl_version_linked = SDLNet_Linked_Version();
3374
3375   ystart2 += ystep;
3376   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3377   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3378             sdl_version_compiled.major,
3379             sdl_version_compiled.minor,
3380             sdl_version_compiled.patch);
3381   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3382             sdl_version_linked->major,
3383             sdl_version_linked->minor,
3384             sdl_version_linked->patch);
3385
3386   ystart2 += 3 * ystep;
3387   DrawTextF(xstart1, ystart2, font_header, "Driver");
3388   DrawTextF(xstart2, ystart2, font_header, "Requested");
3389   DrawTextF(xstart3, ystart2, font_header, "Used");
3390
3391 #if defined(TARGET_SDL2)
3392   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3393 #else
3394   SDL_VideoDriverName(driver_name, driver_name_len);
3395 #endif
3396
3397   ystart2 += 2 * ystep;
3398   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3399   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3400   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3401
3402 #if defined(TARGET_SDL2)
3403   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3404 #else
3405   SDL_AudioDriverName(driver_name, driver_name_len);
3406 #endif
3407
3408   ystart2 += ystep;
3409   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3410   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3411   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3412
3413   DrawTextSCentered(ybottom, FONT_TEXT_4,
3414                     "Press any key or button for info menu");
3415
3416   FadeIn(REDRAW_FIELD);
3417 }
3418
3419 void HandleInfoScreen_Version(int button)
3420 {
3421   if (button == MB_MENU_LEAVE)
3422   {
3423     PlaySound(SND_MENU_ITEM_SELECTING);
3424
3425     info_mode = INFO_MODE_MAIN;
3426     DrawInfoScreen();
3427
3428     return;
3429   }
3430   else if (button == MB_MENU_CHOICE)
3431   {
3432     PlaySound(SND_MENU_ITEM_SELECTING);
3433
3434     FadeMenuSoundsAndMusic();
3435
3436     info_mode = INFO_MODE_MAIN;
3437     DrawInfoScreen();
3438   }
3439   else
3440   {
3441     PlayMenuSoundIfLoop();
3442   }
3443 }
3444
3445 void DrawInfoScreen_LevelSet()
3446 {
3447   struct TitleMessageInfo *tmi = &readme;
3448   char *filename = getLevelSetInfoFilename();
3449   char *title = "Level Set Information:";
3450   int ystart1 = mSY - SY + 100;
3451   int ybottom = mSY - SY + SYSIZE - 20;
3452
3453   if (filename == NULL)
3454   {
3455     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3456
3457     return;
3458   }
3459
3460   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3461
3462   FadeOut(REDRAW_FIELD);
3463
3464   ClearField();
3465   DrawHeadline();
3466
3467   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3468
3469   /* if x position set to "-1", automatically determine by playfield width */
3470   if (tmi->x == -1)
3471     tmi->x = SXSIZE / 2;
3472
3473   /* if y position set to "-1", use static default value */
3474   if (tmi->y == -1)
3475     tmi->y = 150;
3476
3477   /* if width set to "-1", automatically determine by playfield width */
3478   if (tmi->width == -1)
3479     tmi->width = SXSIZE - 2 * TILEX;
3480
3481   /* if height set to "-1", automatically determine by playfield height */
3482   if (tmi->height == -1)
3483     tmi->height = SYSIZE - 20 - tmi->y - 10;
3484
3485   /* if chars set to "-1", automatically determine by text and font width */
3486   if (tmi->chars == -1)
3487     tmi->chars = tmi->width / getFontWidth(tmi->font);
3488   else
3489     tmi->width = tmi->chars * getFontWidth(tmi->font);
3490
3491   /* if lines set to "-1", automatically determine by text and font height */
3492   if (tmi->lines == -1)
3493     tmi->lines = tmi->height / getFontHeight(tmi->font);
3494   else
3495     tmi->height = tmi->lines * getFontHeight(tmi->font);
3496
3497   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3498                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3499                tmi->autowrap, tmi->centered, tmi->parse_comments);
3500
3501   DrawTextSCentered(ybottom, FONT_TEXT_4,
3502                     "Press any key or button for info menu");
3503
3504   FadeIn(REDRAW_FIELD);
3505 }
3506
3507 void HandleInfoScreen_LevelSet(int button)
3508 {
3509   if (button == MB_MENU_LEAVE)
3510   {
3511     PlaySound(SND_MENU_ITEM_SELECTING);
3512
3513     info_mode = INFO_MODE_MAIN;
3514     DrawInfoScreen();
3515
3516     return;
3517   }
3518   else if (button == MB_MENU_CHOICE)
3519   {
3520     PlaySound(SND_MENU_ITEM_SELECTING);
3521
3522     FadeMenuSoundsAndMusic();
3523
3524     info_mode = INFO_MODE_MAIN;
3525     DrawInfoScreen();
3526   }
3527   else
3528   {
3529     PlayMenuSoundIfLoop();
3530   }
3531 }
3532
3533 static void DrawInfoScreen()
3534 {
3535   if (info_mode == INFO_MODE_TITLE)
3536     DrawInfoScreen_TitleScreen();
3537   else if (info_mode == INFO_MODE_ELEMENTS)
3538     DrawInfoScreen_Elements();
3539   else if (info_mode == INFO_MODE_MUSIC)
3540     DrawInfoScreen_Music();
3541   else if (info_mode == INFO_MODE_CREDITS)
3542     DrawInfoScreen_Credits();
3543   else if (info_mode == INFO_MODE_PROGRAM)
3544     DrawInfoScreen_Program();
3545   else if (info_mode == INFO_MODE_VERSION)
3546     DrawInfoScreen_Version();
3547   else if (info_mode == INFO_MODE_LEVELSET)
3548     DrawInfoScreen_LevelSet();
3549   else
3550     DrawInfoScreen_Main();
3551
3552   if (info_mode != INFO_MODE_MAIN &&
3553       info_mode != INFO_MODE_TITLE &&
3554       info_mode != INFO_MODE_MUSIC)
3555     PlayMenuSoundsAndMusic();
3556 }
3557
3558 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3559 {
3560   if (info_mode == INFO_MODE_TITLE)
3561     HandleInfoScreen_TitleScreen(button);
3562   else if (info_mode == INFO_MODE_ELEMENTS)
3563     HandleInfoScreen_Elements(button);
3564   else if (info_mode == INFO_MODE_MUSIC)
3565     HandleInfoScreen_Music(button);
3566   else if (info_mode == INFO_MODE_CREDITS)
3567     HandleInfoScreen_Credits(button);
3568   else if (info_mode == INFO_MODE_PROGRAM)
3569     HandleInfoScreen_Program(button);
3570   else if (info_mode == INFO_MODE_VERSION)
3571     HandleInfoScreen_Version(button);
3572   else if (info_mode == INFO_MODE_LEVELSET)
3573     HandleInfoScreen_LevelSet(button);
3574   else
3575     HandleInfoScreen_Main(mx, my, dx, dy, button);
3576 }
3577
3578
3579 /* ========================================================================= */
3580 /* type name functions                                                       */
3581 /* ========================================================================= */
3582
3583 void HandleTypeName(int newxpos, Key key)
3584 {
3585   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3586   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3587   struct TextPosInfo *pos = mci->pos_input;
3588   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3589   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3590   static int xpos = 0;
3591   int font_nr = pos->font;
3592   int font_active_nr = FONT_ACTIVE(font_nr);
3593   int font_width = getFontWidth(font_active_nr);
3594   char key_char = getValidConfigValueChar(getCharFromKey(key));
3595   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3596   boolean is_active = TRUE;
3597
3598   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3599
3600   if (newxpos)
3601   {
3602     strcpy(last_player_name, setup.player_name);
3603
3604     xpos = newxpos;
3605
3606     StartTextInput(startx, starty, pos->width, pos->height);
3607   }
3608   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3609   {
3610     setup.player_name[xpos] = key_char;
3611     setup.player_name[xpos + 1] = 0;
3612
3613     xpos++;
3614   }
3615   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3616   {
3617     xpos--;
3618
3619     setup.player_name[xpos] = 0;
3620   }
3621   else if (key == KSYM_Return && xpos > 0)
3622   {
3623     SaveSetup();
3624
3625     is_active = FALSE;
3626
3627     SetGameStatus(GAME_MODE_MAIN);
3628   }
3629   else if (key == KSYM_Escape)
3630   {
3631     strcpy(setup.player_name, last_player_name);
3632
3633     is_active = FALSE;
3634
3635     SetGameStatus(GAME_MODE_MAIN);
3636   }
3637
3638   if (is_active)
3639   {
3640     pos->width = (strlen(setup.player_name) + 1) * font_width;
3641     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3642
3643     DrawText(startx, starty, setup.player_name, font_active_nr);
3644     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3645   }
3646   else
3647   {
3648     pos->width = strlen(setup.player_name) * font_width;
3649     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3650
3651     DrawText(startx, starty, setup.player_name, font_nr);
3652
3653     StopTextInput();
3654   }
3655 }
3656
3657
3658 /* ========================================================================= */
3659 /* tree menu functions                                                       */
3660 /* ========================================================================= */
3661
3662 static void DrawChooseTree(TreeInfo **ti_ptr)
3663 {
3664   int fade_mask = REDRAW_FIELD;
3665
3666   if (CheckIfGlobalBorderHasChanged())
3667     fade_mask = REDRAW_ALL;
3668
3669   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3670   {
3671     SetGameStatus(GAME_MODE_MAIN);
3672
3673     DrawMainMenu();
3674
3675     return;
3676   }
3677
3678   UnmapAllGadgets();
3679
3680   FreeScreenGadgets();
3681   CreateScreenGadgets();
3682
3683   FadeOut(fade_mask);
3684
3685   /* needed if different viewport properties defined for choosing level (set) */
3686   ChangeViewportPropertiesIfNeeded();
3687
3688   if (game_status == GAME_MODE_LEVELNR)
3689     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
3690   else if (game_status == GAME_MODE_LEVELS)
3691     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
3692
3693   ClearField();
3694
3695   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3696
3697   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3698   MapScreenTreeGadgets(*ti_ptr);
3699
3700   DrawMaskedBorder(fade_mask);
3701
3702   FadeIn(fade_mask);
3703 }
3704
3705 static void drawChooseTreeList(int first_entry, int num_page_entries,
3706                                TreeInfo *ti)
3707 {
3708   int i;
3709   char *title_string = NULL;
3710   int yoffset_sets = MENU_TITLE1_YPOS;
3711   int yoffset_setup = 16;
3712   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3713                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3714
3715   title_string = ti->infotext;
3716
3717   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3718
3719   clearMenuListArea();
3720
3721   for (i = 0; i < num_page_entries; i++)
3722   {
3723     TreeInfo *node, *node_first;
3724     int entry_pos = first_entry + i;
3725     int xpos = MENU_SCREEN_START_XPOS;
3726     int ypos = MENU_SCREEN_START_YPOS + i;
3727     int startx = mSX + xpos * 32;
3728     int starty = mSY + ypos * 32;
3729     int font_nr = FONT_TEXT_1;
3730     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3731     int startx_text = startx + font_xoffset;
3732     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3733     int text_size = startx_scrollbar - startx_text;
3734     int max_buffer_len = text_size / getFontWidth(font_nr);
3735     char buffer[max_buffer_len + 1];
3736
3737     node_first = getTreeInfoFirstGroupEntry(ti);
3738     node = getTreeInfoFromPos(node_first, entry_pos);
3739
3740     strncpy(buffer, node->name, max_buffer_len);
3741     buffer[max_buffer_len] = '\0';
3742
3743     DrawText(startx, starty, buffer, font_nr + node->color);
3744
3745     if (node->parent_link)
3746       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3747     else if (node->level_group)
3748       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3749     else
3750       initCursor(i, IMG_MENU_BUTTON);
3751   }
3752
3753   redraw_mask |= REDRAW_FIELD;
3754 }
3755
3756 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3757 {
3758   TreeInfo *node, *node_first;
3759   int x, last_redraw_mask = redraw_mask;
3760   int ypos = MENU_TITLE2_YPOS;
3761   int font_nr = FONT_TITLE_2;
3762
3763   if (ti->type == TREE_TYPE_LEVEL_NR)
3764     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3765
3766   if (ti->type != TREE_TYPE_LEVEL_DIR)
3767     return;
3768
3769   node_first = getTreeInfoFirstGroupEntry(ti);
3770   node = getTreeInfoFromPos(node_first, entry_pos);
3771
3772   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3773
3774   if (node->parent_link)
3775     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3776                       node->node_parent->name);
3777   else if (node->level_group)
3778     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3779                       node->name);
3780   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3781     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3782                       node->levels, (node->levels > 1 ? "levels" : "level"),
3783                       node->class_desc);
3784
3785   /* let BackToFront() redraw only what is needed */
3786   redraw_mask = last_redraw_mask;
3787   for (x = 0; x < SCR_FIELDX; x++)
3788     MarkTileDirty(x, 1);
3789 }
3790
3791 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3792                              TreeInfo **ti_ptr)
3793 {
3794   TreeInfo *ti = *ti_ptr;
3795   int x = 0;
3796   int y = ti->cl_cursor;
3797   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3798   int num_entries = numTreeInfoInGroup(ti);
3799   int num_page_entries;
3800   boolean position_set_by_scrollbar = (dx == 999);
3801
3802   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3803     num_page_entries = num_entries;
3804   else
3805     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3806
3807   if (button == MB_MENU_INITIALIZE)
3808   {
3809     int num_entries = numTreeInfoInGroup(ti);
3810     int entry_pos = posTreeInfo(ti);
3811
3812     if (ti->cl_first == -1)
3813     {
3814       /* only on initialization */
3815       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3816       ti->cl_cursor = entry_pos - ti->cl_first;
3817     }
3818     else if (ti->cl_cursor >= num_page_entries ||
3819              (num_entries > num_page_entries &&
3820               num_entries - ti->cl_first < num_page_entries))
3821     {
3822       /* only after change of list size (by custom graphic configuration) */
3823       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3824       ti->cl_cursor = entry_pos - ti->cl_first;
3825     }
3826
3827     if (position_set_by_scrollbar)
3828       ti->cl_first = dy;
3829     else
3830       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3831                                 ti->cl_first, ti);
3832
3833     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3834     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3835     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3836
3837     return;
3838   }
3839   else if (button == MB_MENU_LEAVE)
3840   {
3841     FadeSetLeaveMenu();
3842
3843     PlaySound(SND_MENU_ITEM_SELECTING);
3844
3845     if (ti->node_parent)
3846     {
3847       *ti_ptr = ti->node_parent;
3848       DrawChooseTree(ti_ptr);
3849     }
3850     else if (game_status == GAME_MODE_SETUP)
3851     {
3852       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3853           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3854           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3855         execSetupGame();
3856       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3857                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
3858                setup_mode == SETUP_MODE_CHOOSE_RENDERING)
3859         execSetupGraphics();
3860       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3861                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3862                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3863         execSetupSound();
3864       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3865                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3866                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3867         execSetupTouch();
3868       else
3869         execSetupArtwork();
3870     }
3871     else
3872     {
3873       if (game_status == GAME_MODE_LEVELNR)
3874       {
3875         int new_level_nr = atoi(level_number_current->identifier);
3876
3877         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3878       }
3879
3880       SetGameStatus(GAME_MODE_MAIN);
3881
3882       DrawMainMenu();
3883     }
3884
3885     return;
3886   }
3887
3888   if (mx || my)         /* mouse input */
3889   {
3890     x = (mx - mSX) / 32;
3891     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3892   }
3893   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3894   {
3895     /* move cursor instead of scrolling when already at start/end of list */
3896     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3897       dy = -1;
3898     else if (dy == +1 * SCROLL_LINE &&
3899              ti->cl_first + num_page_entries == num_entries)
3900       dy = 1;
3901
3902     /* handle scrolling screen one line or page */
3903     if (ti->cl_cursor + dy < 0 ||
3904         ti->cl_cursor + dy > num_page_entries - 1)
3905     {
3906       boolean redraw = FALSE;
3907
3908       if (ABS(dy) == SCROLL_PAGE)
3909         step = num_page_entries - 1;
3910
3911       if (dy < 0 && ti->cl_first > 0)
3912       {
3913         /* scroll page/line up */
3914
3915         ti->cl_first -= step;
3916         if (ti->cl_first < 0)
3917           ti->cl_first = 0;
3918
3919         redraw = TRUE;
3920       }
3921       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3922       {
3923         /* scroll page/line down */
3924
3925         ti->cl_first += step;
3926         if (ti->cl_first + num_page_entries > num_entries)
3927           ti->cl_first = MAX(0, num_entries - num_page_entries);
3928
3929         redraw = TRUE;
3930       }
3931
3932       if (redraw)
3933       {
3934         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3935         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3936         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3937
3938         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3939                                   ti->cl_first, ti);
3940       }
3941
3942       return;
3943     }
3944
3945     /* handle moving cursor one line */
3946     y = ti->cl_cursor + dy;
3947   }
3948
3949   if (dx == 1)
3950   {
3951     TreeInfo *node_first, *node_cursor;
3952     int entry_pos = ti->cl_first + y;
3953
3954     node_first = getTreeInfoFirstGroupEntry(ti);
3955     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3956
3957     if (node_cursor->node_group)
3958     {
3959       FadeSetEnterMenu();
3960
3961       PlaySound(SND_MENU_ITEM_SELECTING);
3962
3963       node_cursor->cl_first = ti->cl_first;
3964       node_cursor->cl_cursor = ti->cl_cursor;
3965       *ti_ptr = node_cursor->node_group;
3966       DrawChooseTree(ti_ptr);
3967
3968       return;
3969     }
3970   }
3971   else if (dx == -1 && ti->node_parent)
3972   {
3973     FadeSetLeaveMenu();
3974
3975     PlaySound(SND_MENU_ITEM_SELECTING);
3976
3977     *ti_ptr = ti->node_parent;
3978     DrawChooseTree(ti_ptr);
3979
3980     return;
3981   }
3982
3983   if (!anyScrollbarGadgetActive() &&
3984       IN_VIS_MENU(x, y) &&
3985       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3986       y >= 0 && y < num_page_entries)
3987   {
3988     if (button)
3989     {
3990       if (y != ti->cl_cursor)
3991       {
3992         PlaySound(SND_MENU_ITEM_ACTIVATING);
3993
3994         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3995         drawChooseTreeCursor(y, TRUE);
3996         drawChooseTreeInfo(ti->cl_first + y, ti);
3997
3998         ti->cl_cursor = y;
3999       }
4000       else if (dx < 0)
4001       {
4002         if (game_status == GAME_MODE_SETUP)
4003         {
4004           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4005               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4006               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4007             execSetupGame();
4008           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4009                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4010                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4011             execSetupGraphics();
4012           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4013                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4014                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4015             execSetupSound();
4016           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4017                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4018                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4019             execSetupTouch();
4020           else
4021             execSetupArtwork();
4022         }
4023       }
4024     }
4025     else
4026     {
4027       TreeInfo *node_first, *node_cursor;
4028       int entry_pos = ti->cl_first + y;
4029
4030       PlaySound(SND_MENU_ITEM_SELECTING);
4031
4032       node_first = getTreeInfoFirstGroupEntry(ti);
4033       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4034
4035       if (node_cursor->node_group)
4036       {
4037         FadeSetEnterMenu();
4038
4039         node_cursor->cl_first = ti->cl_first;
4040         node_cursor->cl_cursor = ti->cl_cursor;
4041         *ti_ptr = node_cursor->node_group;
4042         DrawChooseTree(ti_ptr);
4043       }
4044       else if (node_cursor->parent_link)
4045       {
4046         FadeSetLeaveMenu();
4047
4048         *ti_ptr = node_cursor->node_parent;
4049         DrawChooseTree(ti_ptr);
4050       }
4051       else
4052       {
4053         FadeSetEnterMenu();
4054
4055         node_cursor->cl_first = ti->cl_first;
4056         node_cursor->cl_cursor = ti->cl_cursor;
4057         *ti_ptr = node_cursor;
4058
4059         if (ti->type == TREE_TYPE_LEVEL_DIR)
4060         {
4061           LoadLevelSetup_SeriesInfo();
4062
4063           SaveLevelSetup_LastSeries();
4064           SaveLevelSetup_SeriesInfo();
4065           TapeErase();
4066         }
4067
4068         if (game_status == GAME_MODE_SETUP)
4069         {
4070           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4071               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4072               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4073             execSetupGame();
4074           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4075                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4076                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4077             execSetupGraphics();
4078           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4079                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4080                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4081             execSetupSound();
4082           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4083                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4084                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4085             execSetupTouch();
4086           else
4087             execSetupArtwork();
4088         }
4089         else
4090         {
4091           if (game_status == GAME_MODE_LEVELNR)
4092           {
4093             int new_level_nr = atoi(level_number_current->identifier);
4094
4095             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4096           }
4097
4098           SetGameStatus(GAME_MODE_MAIN);
4099
4100           DrawMainMenu();
4101         }
4102       }
4103     }
4104   }
4105 }
4106
4107 void DrawChooseLevelSet()
4108 {
4109   FadeMenuSoundsAndMusic();
4110
4111   DrawChooseTree(&leveldir_current);
4112
4113   PlayMenuSoundsAndMusic();
4114 }
4115
4116 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4117 {
4118   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4119 }
4120
4121 void DrawChooseLevelNr()
4122 {
4123   int i;
4124
4125   FadeMenuSoundsAndMusic();
4126
4127   if (level_number != NULL)
4128   {
4129     freeTreeInfo(level_number);
4130
4131     level_number = NULL;
4132   }
4133
4134   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4135   {
4136     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4137     char identifier[32], name[32];
4138     int value = i;
4139
4140     /* temporarily load level info to get level name */
4141     LoadLevelInfoOnly(i);
4142
4143     ti->node_top = &level_number;
4144     ti->sort_priority = 10000 + value;
4145     ti->color = (level.no_level_file ? FC_BLUE :
4146                  LevelStats_getSolved(i) ? FC_GREEN :
4147                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4148
4149     sprintf(identifier, "%d", value);
4150     sprintf(name, "%03d: %s", value,
4151             (level.no_level_file ? "(no file)" : level.name));
4152
4153     setString(&ti->identifier, identifier);
4154     setString(&ti->name, name);
4155     setString(&ti->name_sorting, name);
4156
4157     pushTreeInfo(&level_number, ti);
4158   }
4159
4160   /* sort level number values to start with lowest level number */
4161   sortTreeInfo(&level_number);
4162
4163   /* set current level number to current level number */
4164   level_number_current =
4165     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4166
4167   /* if that also fails, set current level number to first available level */
4168   if (level_number_current == NULL)
4169     level_number_current = level_number;
4170
4171   DrawChooseTree(&level_number_current);
4172
4173   PlayMenuSoundsAndMusic();
4174 }
4175
4176 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4177 {
4178   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4179 }
4180
4181 void DrawHallOfFame(int highlight_position)
4182 {
4183   int fade_mask = REDRAW_FIELD;
4184
4185   if (CheckIfGlobalBorderHasChanged())
4186     fade_mask = REDRAW_ALL;
4187
4188   UnmapAllGadgets();
4189   FadeMenuSoundsAndMusic();
4190
4191   /* (this is needed when called from GameEnd() after winning a game) */
4192   KeyboardAutoRepeatOn();
4193   ActivateJoystick();
4194
4195   /* (this is needed when called from GameEnd() after winning a game) */
4196   SetDrawDeactivationMask(REDRAW_NONE);
4197   SetDrawBackgroundMask(REDRAW_FIELD);
4198
4199   if (highlight_position < 0)
4200     LoadScore(level_nr);
4201
4202   FadeSetEnterScreen();
4203
4204   FadeOut(fade_mask);
4205
4206   /* needed if different viewport properties defined for scores */
4207   ChangeViewportPropertiesIfNeeded();
4208
4209   PlayMenuSoundsAndMusic();
4210
4211   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4212
4213   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4214
4215   DrawMaskedBorder(fade_mask);
4216
4217   FadeIn(fade_mask);
4218 }
4219
4220 static void drawHallOfFameList(int first_entry, int highlight_position)
4221 {
4222   int i, j;
4223
4224   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4225   ClearField();
4226
4227   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4228   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4229                     "HighScores of Level %d", level_nr);
4230
4231   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4232   {
4233     int entry = first_entry + i;
4234     boolean active = (entry == highlight_position);
4235     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4236     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4237     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4238     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4239     int dxoff = getFontDrawOffsetX(font_nr1);
4240     int dx1 = 3 * getFontWidth(font_nr1);
4241     int dx2 = dx1 + getFontWidth(font_nr1);
4242     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4243     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4244     int sy = mSY + 64 + i * 32;
4245
4246     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4247     DrawText(mSX + dx1, sy, ".", font_nr1);
4248
4249     for (j = 0; j < num_dots; j++)
4250       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4251
4252     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4253       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4254
4255     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4256   }
4257
4258   redraw_mask |= REDRAW_FIELD;
4259 }
4260
4261 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4262 {
4263   static int first_entry = 0;
4264   static int highlight_position = 0;
4265   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4266
4267   if (button == MB_MENU_INITIALIZE)
4268   {
4269     first_entry = 0;
4270     highlight_position = mx;
4271     drawHallOfFameList(first_entry, highlight_position);
4272
4273     return;
4274   }
4275
4276   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4277     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4278
4279   if (dy < 0)
4280   {
4281     if (first_entry > 0)
4282     {
4283       first_entry -= step;
4284       if (first_entry < 0)
4285         first_entry = 0;
4286
4287       drawHallOfFameList(first_entry, highlight_position);
4288     }
4289   }
4290   else if (dy > 0)
4291   {
4292     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4293     {
4294       first_entry += step;
4295       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4296         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4297
4298       drawHallOfFameList(first_entry, highlight_position);
4299     }
4300   }
4301   else if (button == MB_MENU_LEAVE)
4302   {
4303     PlaySound(SND_MENU_ITEM_SELECTING);
4304
4305     FadeSound(SND_BACKGROUND_SCORES);
4306
4307     SetGameStatus(GAME_MODE_MAIN);
4308
4309     DrawMainMenu();
4310   }
4311   else if (button == MB_MENU_CHOICE)
4312   {
4313     PlaySound(SND_MENU_ITEM_SELECTING);
4314
4315     FadeSound(SND_BACKGROUND_SCORES);
4316
4317     SetGameStatus(GAME_MODE_MAIN);
4318
4319     DrawMainMenu();
4320   }
4321
4322   if (game_status == GAME_MODE_SCORES)
4323     PlayMenuSoundIfLoop();
4324 }
4325
4326
4327 /* ========================================================================= */
4328 /* setup screen functions                                                    */
4329 /* ========================================================================= */
4330
4331 static struct TokenInfo *setup_info;
4332 static int num_setup_info;      /* number of setup entries shown on screen */
4333 static int max_setup_info;      /* total number of setup entries in list */
4334
4335 static char *window_size_text;
4336 static char *scaling_type_text;
4337 static char *rendering_mode_text;
4338 static char *scroll_delay_text;
4339 static char *snapshot_mode_text;
4340 static char *game_speed_text;
4341 static char *graphics_set_name;
4342 static char *sounds_set_name;
4343 static char *music_set_name;
4344 static char *volume_simple_text;
4345 static char *volume_loops_text;
4346 static char *volume_music_text;
4347 static char *touch_controls_text;
4348 static char *move_distance_text;
4349 static char *drop_distance_text;
4350
4351 static void execSetupMain()
4352 {
4353   setup_mode = SETUP_MODE_MAIN;
4354
4355   DrawSetupScreen();
4356 }
4357
4358 static void execSetupGame_setGameSpeeds()
4359 {
4360   if (game_speeds == NULL)
4361   {
4362     int i;
4363
4364     for (i = 0; game_speeds_list[i].value != -1; i++)
4365     {
4366       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4367       char identifier[32], name[32];
4368       int value = game_speeds_list[i].value;
4369       char *text = game_speeds_list[i].text;
4370
4371       ti->node_top = &game_speeds;
4372       ti->sort_priority = 10000 - value;
4373
4374       sprintf(identifier, "%d", value);
4375       sprintf(name, "%s", text);
4376
4377       setString(&ti->identifier, identifier);
4378       setString(&ti->name, name);
4379       setString(&ti->name_sorting, name);
4380       setString(&ti->infotext, "Game Speed");
4381
4382       pushTreeInfo(&game_speeds, ti);
4383     }
4384
4385     /* sort game speed values to start with slowest game speed */
4386     sortTreeInfo(&game_speeds);
4387
4388     /* set current game speed to configured game speed value */
4389     game_speed_current =
4390       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4391
4392     /* if that fails, set current game speed to reliable default value */
4393     if (game_speed_current == NULL)
4394       game_speed_current =
4395         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4396
4397     /* if that also fails, set current game speed to first available speed */
4398     if (game_speed_current == NULL)
4399       game_speed_current = game_speeds;
4400   }
4401
4402   setup.game_frame_delay = atoi(game_speed_current->identifier);
4403
4404   /* needed for displaying game speed text instead of identifier */
4405   game_speed_text = game_speed_current->name;
4406 }
4407
4408 static void execSetupGame_setScrollDelays()
4409 {
4410   if (scroll_delays == NULL)
4411   {
4412     int i;
4413
4414     for (i = 0; scroll_delays_list[i].value != -1; i++)
4415     {
4416       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4417       char identifier[32], name[32];
4418       int value = scroll_delays_list[i].value;
4419       char *text = scroll_delays_list[i].text;
4420
4421       ti->node_top = &scroll_delays;
4422       ti->sort_priority = value;
4423
4424       sprintf(identifier, "%d", value);
4425       sprintf(name, "%s", text);
4426
4427       setString(&ti->identifier, identifier);
4428       setString(&ti->name, name);
4429       setString(&ti->name_sorting, name);
4430       setString(&ti->infotext, "Scroll Delay");
4431
4432       pushTreeInfo(&scroll_delays, ti);
4433     }
4434
4435     /* sort scroll delay values to start with lowest scroll delay value */
4436     sortTreeInfo(&scroll_delays);
4437
4438     /* set current scroll delay value to configured scroll delay value */
4439     scroll_delay_current =
4440       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4441
4442     /* if that fails, set current scroll delay to reliable default value */
4443     if (scroll_delay_current == NULL)
4444       scroll_delay_current =
4445         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4446
4447     /* if that also fails, set current scroll delay to first available value */
4448     if (scroll_delay_current == NULL)
4449       scroll_delay_current = scroll_delays;
4450   }
4451
4452   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4453
4454   /* needed for displaying scroll delay text instead of identifier */
4455   scroll_delay_text = scroll_delay_current->name;
4456 }
4457
4458 static void execSetupGame_setSnapshotModes()
4459 {
4460   if (snapshot_modes == NULL)
4461   {
4462     int i;
4463
4464     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4465     {
4466       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4467       char identifier[32], name[32];
4468       char *value = snapshot_modes_list[i].value;
4469       char *text = snapshot_modes_list[i].text;
4470
4471       ti->node_top = &snapshot_modes;
4472       ti->sort_priority = i;
4473
4474       sprintf(identifier, "%s", value);
4475       sprintf(name, "%s", text);
4476
4477       setString(&ti->identifier, identifier);
4478       setString(&ti->name, name);
4479       setString(&ti->name_sorting, name);
4480       setString(&ti->infotext, "Snapshot Mode");
4481
4482       pushTreeInfo(&snapshot_modes, ti);
4483     }
4484
4485     /* sort snapshot mode values to start with lowest snapshot mode value */
4486     sortTreeInfo(&snapshot_modes);
4487
4488     /* set current snapshot mode value to configured snapshot mode value */
4489     snapshot_mode_current =
4490       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4491
4492     /* if that fails, set current snapshot mode to reliable default value */
4493     if (snapshot_mode_current == NULL)
4494       snapshot_mode_current =
4495         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4496
4497     /* if that also fails, set current snapshot mode to first available value */
4498     if (snapshot_mode_current == NULL)
4499       snapshot_mode_current = snapshot_modes;
4500   }
4501
4502   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4503
4504   /* needed for displaying snapshot mode text instead of identifier */
4505   snapshot_mode_text = snapshot_mode_current->name;
4506 }
4507
4508 static void execSetupGame()
4509 {
4510   execSetupGame_setGameSpeeds();
4511   execSetupGame_setScrollDelays();
4512   execSetupGame_setSnapshotModes();
4513
4514   setup_mode = SETUP_MODE_GAME;
4515
4516   DrawSetupScreen();
4517 }
4518
4519 static void execSetupChooseGameSpeed()
4520 {
4521   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4522
4523   DrawSetupScreen();
4524 }
4525
4526 static void execSetupChooseScrollDelay()
4527 {
4528   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4529
4530   DrawSetupScreen();
4531 }
4532
4533 static void execSetupChooseSnapshotMode()
4534 {
4535   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4536
4537   DrawSetupScreen();
4538 }
4539
4540 static void execSetupEditor()
4541 {
4542   setup_mode = SETUP_MODE_EDITOR;
4543
4544   DrawSetupScreen();
4545 }
4546
4547 static void execSetupGraphics_setWindowSizes(boolean update_list)
4548 {
4549   if (window_sizes != NULL && update_list)
4550   {
4551     freeTreeInfo(window_sizes);
4552
4553     window_sizes = NULL;
4554   }
4555
4556   if (window_sizes == NULL)
4557   {
4558     boolean current_window_size_found = FALSE;
4559     int i;
4560
4561     for (i = 0; window_sizes_list[i].value != -1; i++)
4562     {
4563       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4564       char identifier[32], name[32];
4565       int value = window_sizes_list[i].value;
4566       char *text = window_sizes_list[i].text;
4567
4568       ti->node_top = &window_sizes;
4569       ti->sort_priority = value;
4570
4571       sprintf(identifier, "%d", value);
4572       sprintf(name, "%s", text);
4573
4574       setString(&ti->identifier, identifier);
4575       setString(&ti->name, name);
4576       setString(&ti->name_sorting, name);
4577       setString(&ti->infotext, "Window Scaling");
4578
4579       pushTreeInfo(&window_sizes, ti);
4580
4581       if (value == setup.window_scaling_percent)
4582         current_window_size_found = TRUE;
4583     }
4584
4585     if (!current_window_size_found)
4586     {
4587       // add entry for non-preset window scaling value
4588
4589       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4590       char identifier[32], name[32];
4591       int value = setup.window_scaling_percent;
4592
4593       ti->node_top = &window_sizes;
4594       ti->sort_priority = value;
4595
4596       sprintf(identifier, "%d", value);
4597       sprintf(name, "%d %% (Current)", value);
4598
4599       setString(&ti->identifier, identifier);
4600       setString(&ti->name, name);
4601       setString(&ti->name_sorting, name);
4602       setString(&ti->infotext, "Window Scaling");
4603
4604       pushTreeInfo(&window_sizes, ti);
4605     }
4606
4607     /* sort window size values to start with lowest window size value */
4608     sortTreeInfo(&window_sizes);
4609
4610     /* set current window size value to configured window size value */
4611     window_size_current =
4612       getTreeInfoFromIdentifier(window_sizes,
4613                                 i_to_a(setup.window_scaling_percent));
4614
4615     /* if that fails, set current window size to reliable default value */
4616     if (window_size_current == NULL)
4617       window_size_current =
4618         getTreeInfoFromIdentifier(window_sizes,
4619                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4620
4621     /* if that also fails, set current window size to first available value */
4622     if (window_size_current == NULL)
4623       window_size_current = window_sizes;
4624   }
4625
4626   setup.window_scaling_percent = atoi(window_size_current->identifier);
4627
4628   /* needed for displaying window size text instead of identifier */
4629   window_size_text = window_size_current->name;
4630 }
4631
4632 static void execSetupGraphics_setScalingTypes()
4633 {
4634   if (scaling_types == NULL)
4635   {
4636     int i;
4637
4638     for (i = 0; scaling_types_list[i].value != NULL; i++)
4639     {
4640       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4641       char identifier[32], name[32];
4642       char *value = scaling_types_list[i].value;
4643       char *text = scaling_types_list[i].text;
4644
4645       ti->node_top = &scaling_types;
4646       ti->sort_priority = i;
4647
4648       sprintf(identifier, "%s", value);
4649       sprintf(name, "%s", text);
4650
4651       setString(&ti->identifier, identifier);
4652       setString(&ti->name, name);
4653       setString(&ti->name_sorting, name);
4654       setString(&ti->infotext, "Anti-Aliasing");
4655
4656       pushTreeInfo(&scaling_types, ti);
4657     }
4658
4659     /* sort scaling type values to start with lowest scaling type value */
4660     sortTreeInfo(&scaling_types);
4661
4662     /* set current scaling type value to configured scaling type value */
4663     scaling_type_current =
4664       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4665
4666     /* if that fails, set current scaling type to reliable default value */
4667     if (scaling_type_current == NULL)
4668       scaling_type_current =
4669         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4670
4671     /* if that also fails, set current scaling type to first available value */
4672     if (scaling_type_current == NULL)
4673       scaling_type_current = scaling_types;
4674   }
4675
4676   setup.window_scaling_quality = scaling_type_current->identifier;
4677
4678   /* needed for displaying scaling type text instead of identifier */
4679   scaling_type_text = scaling_type_current->name;
4680 }
4681
4682 static void execSetupGraphics_setRenderingModes()
4683 {
4684   if (rendering_modes == NULL)
4685   {
4686     int i;
4687
4688     for (i = 0; rendering_modes_list[i].value != NULL; i++)
4689     {
4690       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4691       char identifier[32], name[32];
4692       char *value = rendering_modes_list[i].value;
4693       char *text = rendering_modes_list[i].text;
4694
4695       ti->node_top = &rendering_modes;
4696       ti->sort_priority = i;
4697
4698       sprintf(identifier, "%s", value);
4699       sprintf(name, "%s", text);
4700
4701       setString(&ti->identifier, identifier);
4702       setString(&ti->name, name);
4703       setString(&ti->name_sorting, name);
4704       setString(&ti->infotext, "Special Rendering");
4705
4706       pushTreeInfo(&rendering_modes, ti);
4707     }
4708
4709     /* sort rendering mode values to start with lowest rendering mode value */
4710     sortTreeInfo(&rendering_modes);
4711
4712     /* set current rendering mode value to configured rendering mode value */
4713     rendering_mode_current =
4714       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
4715
4716     /* if that fails, set current rendering mode to reliable default value */
4717     if (rendering_mode_current == NULL)
4718       rendering_mode_current =
4719         getTreeInfoFromIdentifier(rendering_modes,
4720                                   STR_SPECIAL_RENDERING_DEFAULT);
4721
4722     /* if that also fails, set current rendering mode to first available one */
4723     if (rendering_mode_current == NULL)
4724       rendering_mode_current = rendering_modes;
4725   }
4726
4727   setup.screen_rendering_mode = rendering_mode_current->identifier;
4728
4729   /* needed for displaying rendering mode text instead of identifier */
4730   rendering_mode_text = rendering_mode_current->name;
4731 }
4732
4733 static void execSetupGraphics()
4734 {
4735   // update "setup.window_scaling_percent" from list selection
4736   // (in this case, window scaling was changed on setup screen)
4737   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4738     execSetupGraphics_setWindowSizes(FALSE);
4739
4740   // update list selection from "setup.window_scaling_percent"
4741   // (window scaling may have changed by resizing the window)
4742   execSetupGraphics_setWindowSizes(TRUE);
4743
4744   execSetupGraphics_setScalingTypes();
4745   execSetupGraphics_setRenderingModes();
4746
4747   setup_mode = SETUP_MODE_GRAPHICS;
4748
4749   DrawSetupScreen();
4750
4751 #if defined(TARGET_SDL2)
4752   // window scaling may have changed at this point
4753   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4754
4755   // window scaling quality may have changed at this point
4756   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4757     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4758
4759   // screen rendering mode may have changed at this point
4760   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
4761 #endif
4762 }
4763
4764 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
4765 static void execSetupChooseWindowSize()
4766 {
4767   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4768
4769   DrawSetupScreen();
4770 }
4771
4772 static void execSetupChooseScalingType()
4773 {
4774   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4775
4776   DrawSetupScreen();
4777 }
4778
4779 static void execSetupChooseRenderingMode()
4780 {
4781   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
4782
4783   DrawSetupScreen();
4784 }
4785 #endif
4786
4787 static void execSetupChooseVolumeSimple()
4788 {
4789   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4790
4791   DrawSetupScreen();
4792 }
4793
4794 static void execSetupChooseVolumeLoops()
4795 {
4796   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4797
4798   DrawSetupScreen();
4799 }
4800
4801 static void execSetupChooseVolumeMusic()
4802 {
4803   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4804
4805   DrawSetupScreen();
4806 }
4807
4808 static void execSetupSound()
4809 {
4810   if (volumes_simple == NULL)
4811   {
4812     boolean current_volume_simple_found = FALSE;
4813     int i;
4814
4815     for (i = 0; volumes_list[i].value != -1; i++)
4816     {
4817       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4818       char identifier[32], name[32];
4819       int value = volumes_list[i].value;
4820       char *text = volumes_list[i].text;
4821
4822       ti->node_top = &volumes_simple;
4823       ti->sort_priority = value;
4824
4825       sprintf(identifier, "%d", value);
4826       sprintf(name, "%s", text);
4827
4828       setString(&ti->identifier, identifier);
4829       setString(&ti->name, name);
4830       setString(&ti->name_sorting, name);
4831       setString(&ti->infotext, "Sound Volume");
4832
4833       pushTreeInfo(&volumes_simple, ti);
4834
4835       if (value == setup.volume_simple)
4836         current_volume_simple_found = TRUE;
4837     }
4838
4839     if (!current_volume_simple_found)
4840     {
4841       // add entry for non-preset volume value
4842
4843       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4844       char identifier[32], name[32];
4845       int value = setup.volume_simple;
4846
4847       ti->node_top = &volumes_simple;
4848       ti->sort_priority = value;
4849
4850       sprintf(identifier, "%d", value);
4851       sprintf(name, "%d %% (Current)", value);
4852
4853       setString(&ti->identifier, identifier);
4854       setString(&ti->name, name);
4855       setString(&ti->name_sorting, name);
4856       setString(&ti->infotext, "Sound Volume");
4857
4858       pushTreeInfo(&volumes_simple, ti);
4859     }
4860
4861     /* sort volume values to start with lowest volume value */
4862     sortTreeInfo(&volumes_simple);
4863
4864     /* set current volume value to configured volume value */
4865     volume_simple_current =
4866       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4867
4868     /* if that fails, set current volume to reliable default value */
4869     if (volume_simple_current == NULL)
4870       volume_simple_current =
4871         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4872
4873     /* if that also fails, set current volume to first available value */
4874     if (volume_simple_current == NULL)
4875       volume_simple_current = volumes_simple;
4876   }
4877
4878   if (volumes_loops == NULL)
4879   {
4880     boolean current_volume_loops_found = FALSE;
4881     int i;
4882
4883     for (i = 0; volumes_list[i].value != -1; i++)
4884     {
4885       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4886       char identifier[32], name[32];
4887       int value = volumes_list[i].value;
4888       char *text = volumes_list[i].text;
4889
4890       ti->node_top = &volumes_loops;
4891       ti->sort_priority = value;
4892
4893       sprintf(identifier, "%d", value);
4894       sprintf(name, "%s", text);
4895
4896       setString(&ti->identifier, identifier);
4897       setString(&ti->name, name);
4898       setString(&ti->name_sorting, name);
4899       setString(&ti->infotext, "Loops Volume");
4900
4901       pushTreeInfo(&volumes_loops, ti);
4902
4903       if (value == setup.volume_loops)
4904         current_volume_loops_found = TRUE;
4905     }
4906
4907     if (!current_volume_loops_found)
4908     {
4909       // add entry for non-preset volume value
4910
4911       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4912       char identifier[32], name[32];
4913       int value = setup.volume_loops;
4914
4915       ti->node_top = &volumes_loops;
4916       ti->sort_priority = value;
4917
4918       sprintf(identifier, "%d", value);
4919       sprintf(name, "%d %% (Current)", value);
4920
4921       setString(&ti->identifier, identifier);
4922       setString(&ti->name, name);
4923       setString(&ti->name_sorting, name);
4924       setString(&ti->infotext, "Loops Volume");
4925
4926       pushTreeInfo(&volumes_loops, ti);
4927     }
4928
4929     /* sort volume values to start with lowest volume value */
4930     sortTreeInfo(&volumes_loops);
4931
4932     /* set current volume value to configured volume value */
4933     volume_loops_current =
4934       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4935
4936     /* if that fails, set current volume to reliable default value */
4937     if (volume_loops_current == NULL)
4938       volume_loops_current =
4939         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4940
4941     /* if that also fails, set current volume to first available value */
4942     if (volume_loops_current == NULL)
4943       volume_loops_current = volumes_loops;
4944   }
4945
4946   if (volumes_music == NULL)
4947   {
4948     boolean current_volume_music_found = FALSE;
4949     int i;
4950
4951     for (i = 0; volumes_list[i].value != -1; i++)
4952     {
4953       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4954       char identifier[32], name[32];
4955       int value = volumes_list[i].value;
4956       char *text = volumes_list[i].text;
4957
4958       ti->node_top = &volumes_music;
4959       ti->sort_priority = value;
4960
4961       sprintf(identifier, "%d", value);
4962       sprintf(name, "%s", text);
4963
4964       setString(&ti->identifier, identifier);
4965       setString(&ti->name, name);
4966       setString(&ti->name_sorting, name);
4967       setString(&ti->infotext, "Music Volume");
4968
4969       pushTreeInfo(&volumes_music, ti);
4970
4971       if (value == setup.volume_music)
4972         current_volume_music_found = TRUE;
4973     }
4974
4975     if (!current_volume_music_found)
4976     {
4977       // add entry for non-preset volume value
4978
4979       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4980       char identifier[32], name[32];
4981       int value = setup.volume_music;
4982
4983       ti->node_top = &volumes_music;
4984       ti->sort_priority = value;
4985
4986       sprintf(identifier, "%d", value);
4987       sprintf(name, "%d %% (Current)", value);
4988
4989       setString(&ti->identifier, identifier);
4990       setString(&ti->name, name);
4991       setString(&ti->name_sorting, name);
4992       setString(&ti->infotext, "Music Volume");
4993
4994       pushTreeInfo(&volumes_music, ti);
4995     }
4996
4997     /* sort volume values to start with lowest volume value */
4998     sortTreeInfo(&volumes_music);
4999
5000     /* set current volume value to configured volume value */
5001     volume_music_current =
5002       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5003
5004     /* if that fails, set current volume to reliable default value */
5005     if (volume_music_current == NULL)
5006       volume_music_current =
5007         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5008
5009     /* if that also fails, set current volume to first available value */
5010     if (volume_music_current == NULL)
5011       volume_music_current = volumes_music;
5012   }
5013
5014   setup.volume_simple = atoi(volume_simple_current->identifier);
5015   setup.volume_loops  = atoi(volume_loops_current->identifier);
5016   setup.volume_music  = atoi(volume_music_current->identifier);
5017
5018   /* needed for displaying volume text instead of identifier */
5019   volume_simple_text = volume_simple_current->name;
5020   volume_loops_text = volume_loops_current->name;
5021   volume_music_text = volume_music_current->name;
5022
5023   setup_mode = SETUP_MODE_SOUND;
5024
5025   DrawSetupScreen();
5026 }
5027
5028 static void execSetupChooseTouchControls()
5029 {
5030   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5031
5032   DrawSetupScreen();
5033 }
5034
5035 static void execSetupChooseMoveDistance()
5036 {
5037   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5038
5039   DrawSetupScreen();
5040 }
5041
5042 static void execSetupChooseDropDistance()
5043 {
5044   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5045
5046   DrawSetupScreen();
5047 }
5048
5049 static void execSetupTouch()
5050 {
5051   if (touch_controls == NULL)
5052   {
5053     int i;
5054
5055     for (i = 0; touch_controls_list[i].value != NULL; i++)
5056     {
5057       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5058       char identifier[32], name[32];
5059       char *value = touch_controls_list[i].value;
5060       char *text = touch_controls_list[i].text;
5061
5062       ti->node_top = &touch_controls;
5063       ti->sort_priority = i;
5064
5065       sprintf(identifier, "%s", value);
5066       sprintf(name, "%s", text);
5067
5068       setString(&ti->identifier, identifier);
5069       setString(&ti->name, name);
5070       setString(&ti->name_sorting, name);
5071       setString(&ti->infotext, "Control Type");
5072
5073       pushTreeInfo(&touch_controls, ti);
5074     }
5075
5076     /* sort touch control values to start with lowest touch control value */
5077     sortTreeInfo(&touch_controls);
5078
5079     /* set current touch control value to configured touch control value */
5080     touch_control_current =
5081       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5082
5083     /* if that fails, set current touch control to reliable default value */
5084     if (touch_control_current == NULL)
5085       touch_control_current =
5086         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5087
5088     /* if that also fails, set current touch control to first available value */
5089     if (touch_control_current == NULL)
5090       touch_control_current = touch_controls;
5091   }
5092
5093   if (move_distances == NULL)
5094   {
5095     int i;
5096
5097     for (i = 0; distances_list[i].value != -1; i++)
5098     {
5099       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5100       char identifier[32], name[32];
5101       int value = distances_list[i].value;
5102       char *text = distances_list[i].text;
5103
5104       ti->node_top = &move_distances;
5105       ti->sort_priority = value;
5106
5107       sprintf(identifier, "%d", value);
5108       sprintf(name, "%s", text);
5109
5110       setString(&ti->identifier, identifier);
5111       setString(&ti->name, name);
5112       setString(&ti->name_sorting, name);
5113       setString(&ti->infotext, "Move Distance");
5114
5115       pushTreeInfo(&move_distances, ti);
5116     }
5117
5118     /* sort distance values to start with lowest distance value */
5119     sortTreeInfo(&move_distances);
5120
5121     /* set current distance value to configured distance value */
5122     move_distance_current =
5123       getTreeInfoFromIdentifier(move_distances,
5124                                 i_to_a(setup.touch.move_distance));
5125
5126     /* if that fails, set current distance to reliable default value */
5127     if (move_distance_current == NULL)
5128       move_distance_current =
5129         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5130
5131     /* if that also fails, set current distance to first available value */
5132     if (move_distance_current == NULL)
5133       move_distance_current = move_distances;
5134   }
5135
5136   if (drop_distances == NULL)
5137   {
5138     int i;
5139
5140     for (i = 0; distances_list[i].value != -1; i++)
5141     {
5142       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5143       char identifier[32], name[32];
5144       int value = distances_list[i].value;
5145       char *text = distances_list[i].text;
5146
5147       ti->node_top = &drop_distances;
5148       ti->sort_priority = value;
5149
5150       sprintf(identifier, "%d", value);
5151       sprintf(name, "%s", text);
5152
5153       setString(&ti->identifier, identifier);
5154       setString(&ti->name, name);
5155       setString(&ti->name_sorting, name);
5156       setString(&ti->infotext, "Drop Distance");
5157
5158       pushTreeInfo(&drop_distances, ti);
5159     }
5160
5161     /* sort distance values to start with lowest distance value */
5162     sortTreeInfo(&drop_distances);
5163
5164     /* set current distance value to configured distance value */
5165     drop_distance_current =
5166       getTreeInfoFromIdentifier(drop_distances,
5167                                 i_to_a(setup.touch.drop_distance));
5168
5169     /* if that fails, set current distance to reliable default value */
5170     if (drop_distance_current == NULL)
5171       drop_distance_current =
5172         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5173
5174     /* if that also fails, set current distance to first available value */
5175     if (drop_distance_current == NULL)
5176       drop_distance_current = drop_distances;
5177   }
5178
5179   setup.touch.control_type = touch_control_current->identifier;
5180   setup.touch.move_distance = atoi(move_distance_current->identifier);
5181   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5182
5183   /* needed for displaying volume text instead of identifier */
5184   touch_controls_text = touch_control_current->name;
5185   move_distance_text = move_distance_current->name;
5186   drop_distance_text = drop_distance_current->name;
5187
5188   setup_mode = SETUP_MODE_TOUCH;
5189
5190   DrawSetupScreen();
5191 }
5192
5193 static void execSetupArtwork()
5194 {
5195 #if 0
5196   printf("::: '%s', '%s', '%s'\n",
5197          artwork.gfx_current->subdir,
5198          artwork.gfx_current->fullpath,
5199          artwork.gfx_current->basepath);
5200 #endif
5201
5202   setup.graphics_set = artwork.gfx_current->identifier;
5203   setup.sounds_set = artwork.snd_current->identifier;
5204   setup.music_set = artwork.mus_current->identifier;
5205
5206   /* needed if last screen (setup choice) changed graphics, sounds or music */
5207   ReloadCustomArtwork(0);
5208
5209   /* needed for displaying artwork name instead of artwork identifier */
5210   graphics_set_name = artwork.gfx_current->name;
5211   sounds_set_name = artwork.snd_current->name;
5212   music_set_name = artwork.mus_current->name;
5213
5214   setup_mode = SETUP_MODE_ARTWORK;
5215
5216   DrawSetupScreen();
5217 }
5218
5219 static void execSetupChooseGraphics()
5220 {
5221   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5222
5223   DrawSetupScreen();
5224 }
5225
5226 static void execSetupChooseSounds()
5227 {
5228   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5229
5230   DrawSetupScreen();
5231 }
5232
5233 static void execSetupChooseMusic()
5234 {
5235   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5236
5237   DrawSetupScreen();
5238 }
5239
5240 #if !defined(PLATFORM_ANDROID)
5241 static void execSetupInput()
5242 {
5243   setup_mode = SETUP_MODE_INPUT;
5244
5245   DrawSetupScreen();
5246 }
5247 #endif
5248
5249 static void execSetupShortcuts()
5250 {
5251   setup_mode = SETUP_MODE_SHORTCUTS;
5252
5253   DrawSetupScreen();
5254 }
5255
5256 static void execSetupShortcuts1()
5257 {
5258   setup_mode = SETUP_MODE_SHORTCUTS_1;
5259
5260   DrawSetupScreen();
5261 }
5262
5263 static void execSetupShortcuts2()
5264 {
5265   setup_mode = SETUP_MODE_SHORTCUTS_2;
5266
5267   DrawSetupScreen();
5268 }
5269
5270 static void execSetupShortcuts3()
5271 {
5272   setup_mode = SETUP_MODE_SHORTCUTS_3;
5273
5274   DrawSetupScreen();
5275 }
5276
5277 static void execSetupShortcuts4()
5278 {
5279   setup_mode = SETUP_MODE_SHORTCUTS_4;
5280
5281   DrawSetupScreen();
5282 }
5283
5284 static void execSetupShortcuts5()
5285 {
5286   setup_mode = SETUP_MODE_SHORTCUTS_5;
5287
5288   DrawSetupScreen();
5289 }
5290
5291 static void execExitSetup()
5292 {
5293   SetGameStatus(GAME_MODE_MAIN);
5294
5295   DrawMainMenu();
5296 }
5297
5298 static void execSaveAndExitSetup()
5299 {
5300   SaveSetup();
5301   execExitSetup();
5302 }
5303
5304 static struct TokenInfo setup_info_main[] =
5305 {
5306   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5307   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5308   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5309   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5310   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5311 #if !defined(PLATFORM_ANDROID)
5312   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5313   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5314 #else
5315   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5316 #endif
5317   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5318   { TYPE_EMPTY,         NULL,                   ""                      },
5319   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5320   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5321
5322   { 0,                  NULL,                   NULL                    }
5323 };
5324
5325 static struct TokenInfo setup_info_game[] =
5326 {
5327   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5328   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5329   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5330   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5331   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5332   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5333   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5334   { TYPE_STRING,        &game_speed_text,       ""                      },
5335 #if 1
5336   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5337   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5338 #endif
5339   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5340   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5341   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5342   { TYPE_EMPTY,         NULL,                   ""                      },
5343   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5344
5345   { 0,                  NULL,                   NULL                    }
5346 };
5347
5348 static struct TokenInfo setup_info_editor[] =
5349 {
5350 #if 0
5351   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5352   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5353   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5354   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5355   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5356   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5357   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5358   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5359 #endif
5360   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5361   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5362   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5363 #if 0
5364   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5365 #endif
5366   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5367   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5368   { TYPE_EMPTY,         NULL,                   ""                      },
5369 #if 0
5370   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5371   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5372   { TYPE_EMPTY,         NULL,                   ""                      },
5373 #endif
5374   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5375   { TYPE_EMPTY,         NULL,                   ""                      },
5376   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5377
5378   { 0,                  NULL,                   NULL                    }
5379 };
5380
5381 static struct TokenInfo setup_info_graphics[] =
5382 {
5383 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
5384   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5385   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5386   { TYPE_STRING,        &window_size_text,      ""                      },
5387   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5388   { TYPE_STRING,        &scaling_type_text,     ""                      },
5389   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
5390   { TYPE_STRING,        &rendering_mode_text,   ""                      },
5391 #endif
5392 #if 0
5393   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5394   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5395 #endif
5396   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5397   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5398   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5399   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5400   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5401   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5402   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5403   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5404   { TYPE_EMPTY,         NULL,                   ""                      },
5405   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5406
5407   { 0,                  NULL,                   NULL                    }
5408 };
5409
5410 static struct TokenInfo setup_info_sound[] =
5411 {
5412   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5413   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5414   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5415   { TYPE_EMPTY,         NULL,                   ""                      },
5416   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5417   { TYPE_STRING,        &volume_simple_text,    ""                      },
5418   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5419   { TYPE_STRING,        &volume_loops_text,     ""                      },
5420   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5421   { TYPE_STRING,        &volume_music_text,     ""                      },
5422   { TYPE_EMPTY,         NULL,                   ""                      },
5423   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5424
5425   { 0,                  NULL,                   NULL                    }
5426 };
5427
5428 static struct TokenInfo setup_info_artwork[] =
5429 {
5430   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5431   { TYPE_STRING,        &graphics_set_name,     ""                      },
5432   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5433   { TYPE_STRING,        &sounds_set_name,       ""                      },
5434   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5435   { TYPE_STRING,        &music_set_name,        ""                      },
5436   { TYPE_EMPTY,         NULL,                   ""                      },
5437   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5438   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5439   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5440   { TYPE_EMPTY,         NULL,                   ""                      },
5441   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5442
5443   { 0,                  NULL,                   NULL                    }
5444 };
5445
5446 static struct TokenInfo setup_info_input[] =
5447 {
5448   { TYPE_SWITCH,        NULL,                   "Player:"               },
5449   { TYPE_SWITCH,        NULL,                   "Device:"               },
5450   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5451   { TYPE_EMPTY,         NULL,                   ""                      },
5452   { TYPE_EMPTY,         NULL,                   ""                      },
5453   { TYPE_EMPTY,         NULL,                   ""                      },
5454   { TYPE_EMPTY,         NULL,                   ""                      },
5455   { TYPE_EMPTY,         NULL,                   ""                      },
5456   { TYPE_EMPTY,         NULL,                   ""                      },
5457   { TYPE_EMPTY,         NULL,                   ""                      },
5458   { TYPE_EMPTY,         NULL,                   ""                      },
5459   { TYPE_EMPTY,         NULL,                   ""                      },
5460   { TYPE_EMPTY,         NULL,                   ""                      },
5461   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5462
5463   { 0,                  NULL,                   NULL                    }
5464 };
5465
5466 static struct TokenInfo setup_info_touch[] =
5467 {
5468   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5469   { TYPE_STRING,        &touch_controls_text,   ""                      },
5470   { TYPE_EMPTY,         NULL,                   ""                      },
5471   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5472
5473   { 0,                  NULL,                   NULL                    }
5474 };
5475
5476 static struct TokenInfo setup_info_touch_wipe_gestures[] =
5477 {
5478   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5479   { TYPE_STRING,        &touch_controls_text,   ""                      },
5480   { TYPE_EMPTY,         NULL,                   ""                      },
5481   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5482   { TYPE_STRING,        &move_distance_text,    ""                      },
5483   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5484   { TYPE_STRING,        &drop_distance_text,    ""                      },
5485   { TYPE_EMPTY,         NULL,                   ""                      },
5486   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5487
5488   { 0,                  NULL,                   NULL                    }
5489 };
5490
5491 static struct TokenInfo setup_info_shortcuts[] =
5492 {
5493   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5494   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5495   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5496   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5497   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5498   { TYPE_EMPTY,         NULL,                   ""                      },
5499   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5500
5501   { 0,                  NULL,                   NULL                    }
5502 };
5503
5504 static struct TokenInfo setup_info_shortcuts_1[] =
5505 {
5506   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5507   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5508   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5509   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5510   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5511   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5512   { TYPE_EMPTY,         NULL,                   ""                      },
5513   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5514   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5515   { TYPE_EMPTY,         NULL,                   ""                      },
5516   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5517
5518   { 0,                  NULL,                   NULL                    }
5519 };
5520
5521 static struct TokenInfo setup_info_shortcuts_2[] =
5522 {
5523   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5524   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5525   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5526   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5527   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5528   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5529   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5530   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5531   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5532   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5533   { TYPE_EMPTY,         NULL,                   ""                      },
5534   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5535
5536   { 0,                  NULL,                   NULL                    }
5537 };
5538
5539 static struct TokenInfo setup_info_shortcuts_3[] =
5540 {
5541   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5542   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5543   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5544   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5545   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5546   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5547   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5548   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5549   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5550   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5551   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5552   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5553   { TYPE_EMPTY,         NULL,                   ""                      },
5554   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5555
5556   { 0,                  NULL,                   NULL                    }
5557 };
5558
5559 static struct TokenInfo setup_info_shortcuts_4[] =
5560 {
5561   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5562   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5563   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5564   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5565   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5566   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5567   { TYPE_EMPTY,         NULL,                   ""                      },
5568   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5569
5570   { 0,                  NULL,                   NULL                    }
5571 };
5572
5573 static struct TokenInfo setup_info_shortcuts_5[] =
5574 {
5575   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5576   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5577   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5578   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5579   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5580   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5581   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5582   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5583   { TYPE_EMPTY,         NULL,                   ""                      },
5584   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5585
5586   { 0,                  NULL,                   NULL                    }
5587 };
5588
5589 static Key getSetupKey()
5590 {
5591   Key key = KSYM_UNDEFINED;
5592   boolean got_key_event = FALSE;
5593
5594   while (!got_key_event)
5595   {
5596     if (PendingEvent())         /* got event */
5597     {
5598       Event event;
5599
5600       NextEvent(&event);
5601
5602       switch (event.type)
5603       {
5604         case EVENT_KEYPRESS:
5605           {
5606             key = GetEventKey((KeyEvent *)&event, TRUE);
5607
5608             /* press 'Escape' or 'Enter' to keep the existing key binding */
5609             if (key == KSYM_Escape || key == KSYM_Return)
5610               key = KSYM_UNDEFINED;     /* keep old value */
5611
5612             got_key_event = TRUE;
5613           }
5614           break;
5615
5616         case EVENT_KEYRELEASE:
5617           key_joystick_mapping = 0;
5618           break;
5619
5620         default:
5621           HandleOtherEvents(&event);
5622           break;
5623       }
5624     }
5625
5626     BackToFront();
5627   }
5628
5629   return key;
5630 }
5631
5632 static int getSetupValueFont(int type, void *value)
5633 {
5634   if (type & TYPE_KEY)
5635     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5636   else if (type & TYPE_STRING)
5637     return FONT_VALUE_2;
5638   else if (type & TYPE_ECS_AGA)
5639     return FONT_VALUE_1;
5640   else if (type & TYPE_BOOLEAN_STYLE)
5641     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5642   else if (type & TYPE_YES_NO_AUTO)
5643     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5644             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5645   else
5646     return FONT_VALUE_1;
5647 }
5648
5649 static int getSetupValueFontNarrow(int type, int font_nr)
5650 {
5651   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
5652           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
5653           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
5654           font_nr);
5655 }
5656
5657 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5658 {
5659   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5660   struct TokenInfo *si = &setup_info[si_pos];
5661   boolean font_draw_xoffset_modified = FALSE;
5662   boolean scrollbar_needed = (num_setup_info < max_setup_info);
5663   int font_draw_xoffset_old = -1;
5664   int xoffset = (scrollbar_needed ? -1 : 0);
5665   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5666   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5667   int xpos = menu_screen_value_xpos;
5668   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5669   int startx = mSX + xpos * 32;
5670   int starty = mSY + ypos * 32;
5671   int font_nr, font_nr_default, font_width_default;
5672   int type = si->type;
5673   void *value = si->value;
5674   char *value_string = getSetupValue(type, value);
5675   int i;
5676
5677   if (value_string == NULL)
5678     return;
5679
5680   if (type & TYPE_KEY)
5681   {
5682     xpos = MENU_SCREEN_START_XPOS;
5683
5684     if (type & TYPE_QUERY)
5685       value_string = "<press key>";
5686   }
5687   else if (type & TYPE_STRING)
5688   {
5689     int max_value_len = (SCR_FIELDX - 2) * 2;
5690
5691     xpos = MENU_SCREEN_START_XPOS;
5692
5693     if (strlen(value_string) > max_value_len)
5694       value_string[max_value_len] = '\0';
5695   }
5696   else if (type & TYPE_YES_NO_AUTO)
5697   {
5698     xpos = menu_screen_value_xpos - 1;
5699   }
5700
5701   startx = mSX + xpos * 32;
5702   starty = mSY + ypos * 32;
5703   font_nr_default = getSetupValueFont(type, value);
5704   font_width_default = getFontWidth(font_nr_default);
5705
5706   font_nr = font_nr_default;
5707
5708   // special check if right-side setup values moved left due to scrollbar
5709   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
5710   {
5711     int max_menu_text_length = 26;      // maximum text length for classic menu
5712     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5713     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5714     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5715     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5716     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
5717
5718     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
5719     {
5720       xpos += 1;
5721       startx = mSX + xpos * 32;
5722
5723       font_nr = getSetupValueFontNarrow(type, font_nr);
5724     }
5725   }
5726
5727   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5728   if (setup_mode != SETUP_MODE_INPUT)
5729   {
5730     int max_menu_text_length_big = (menu_screen_value_xpos -
5731                                     MENU_SCREEN_START_XPOS);
5732     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5733     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5734     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5735     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5736     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5737     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5738     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5739     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5740     boolean correct_font_draw_xoffset = FALSE;
5741
5742     if (xpos == MENU_SCREEN_START_XPOS &&
5743         startx + font1_xoffset < text_startx + text_font_xoffset)
5744       correct_font_draw_xoffset = TRUE;
5745
5746     if (xpos == menu_screen_value_xpos &&
5747         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5748       correct_font_draw_xoffset = TRUE;
5749
5750     /* check if setup value would overlap with setup text when printed */
5751     /* (this can happen for extreme/wrong values for font draw offset) */
5752     if (correct_font_draw_xoffset)
5753     {
5754       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5755       font_draw_xoffset_modified = TRUE;
5756
5757       if (type & TYPE_KEY)
5758         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5759       else if (!(type & TYPE_STRING))
5760         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5761           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5762     }
5763   }
5764
5765   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5766     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
5767
5768   DrawText(startx, starty, value_string, font_nr);
5769
5770   if (font_draw_xoffset_modified)
5771     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5772 }
5773
5774 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5775 {
5776   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5777   struct TokenInfo *si = &setup_info[si_pos];
5778
5779   if (si->type & TYPE_BOOLEAN_STYLE)
5780   {
5781     *(boolean *)si->value ^= TRUE;
5782   }
5783   else if (si->type & TYPE_YES_NO_AUTO)
5784   {
5785     *(int *)si->value =
5786       (dx == -1 ?
5787        (*(int *)si->value == AUTO ? TRUE :
5788         *(int *)si->value == TRUE ? FALSE : AUTO) :
5789        (*(int *)si->value == TRUE ? AUTO :
5790         *(int *)si->value == AUTO ? FALSE : TRUE));
5791   }
5792   else if (si->type & TYPE_KEY)
5793   {
5794     Key key;
5795
5796     si->type |= TYPE_QUERY;
5797     drawSetupValue(screen_pos, setup_info_pos_raw);
5798     si->type &= ~TYPE_QUERY;
5799
5800     key = getSetupKey();
5801     if (key != KSYM_UNDEFINED)
5802       *(Key *)si->value = key;
5803   }
5804
5805   drawSetupValue(screen_pos, setup_info_pos_raw);
5806
5807   // fullscreen state may have changed at this point
5808   if (si->value == &setup.fullscreen)
5809     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5810 }
5811
5812 static void DrawSetupScreen_Generic()
5813 {
5814   int fade_mask = REDRAW_FIELD;
5815   boolean redraw_all = FALSE;
5816   char *title_string = NULL;
5817   int i;
5818
5819   if (CheckIfGlobalBorderHasChanged())
5820     fade_mask = REDRAW_ALL;
5821
5822   UnmapAllGadgets();
5823   FadeMenuSoundsAndMusic();
5824
5825   FreeScreenGadgets();
5826   CreateScreenGadgets();
5827
5828   if (redraw_mask & REDRAW_ALL)
5829     redraw_all = TRUE;
5830
5831   FadeOut(fade_mask);
5832
5833   /* needed if different viewport properties defined for setup screen */
5834   ChangeViewportPropertiesIfNeeded();
5835
5836   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
5837
5838   ClearField();
5839
5840   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5841
5842   if (setup_mode == SETUP_MODE_MAIN)
5843   {
5844     setup_info = setup_info_main;
5845     title_string = "Setup";
5846   }
5847   else if (setup_mode == SETUP_MODE_GAME)
5848   {
5849     setup_info = setup_info_game;
5850     title_string = "Setup Game";
5851   }
5852   else if (setup_mode == SETUP_MODE_EDITOR)
5853   {
5854     setup_info = setup_info_editor;
5855     title_string = "Setup Editor";
5856   }
5857   else if (setup_mode == SETUP_MODE_GRAPHICS)
5858   {
5859     setup_info = setup_info_graphics;
5860     title_string = "Setup Graphics";
5861   }
5862   else if (setup_mode == SETUP_MODE_SOUND)
5863   {
5864     setup_info = setup_info_sound;
5865     title_string = "Setup Sound";
5866   }
5867   else if (setup_mode == SETUP_MODE_ARTWORK)
5868   {
5869     setup_info = setup_info_artwork;
5870     title_string = "Custom Artwork";
5871   }
5872   else if (setup_mode == SETUP_MODE_TOUCH)
5873   {
5874     setup_info = setup_info_touch;
5875     title_string = "Setup Touch Ctrls";
5876
5877     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
5878       setup_info = setup_info_touch_wipe_gestures;
5879   }
5880   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5881   {
5882     setup_info = setup_info_shortcuts;
5883     title_string = "Setup Shortcuts";
5884   }
5885   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5886   {
5887     setup_info = setup_info_shortcuts_1;
5888     title_string = "Setup Shortcuts";
5889   }
5890   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5891   {
5892     setup_info = setup_info_shortcuts_2;
5893     title_string = "Setup Shortcuts";
5894   }
5895   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5896   {
5897     setup_info = setup_info_shortcuts_3;
5898     title_string = "Setup Shortcuts";
5899   }
5900   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5901   {
5902     setup_info = setup_info_shortcuts_4;
5903     title_string = "Setup Shortcuts";
5904   }
5905   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5906   {
5907     setup_info = setup_info_shortcuts_5;
5908     title_string = "Setup Shortcuts";
5909   }
5910
5911   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5912
5913   // determine maximal number of setup entries that can be displayed on screen
5914   num_setup_info = 0;
5915   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5916     num_setup_info++;
5917
5918   // determine maximal number of setup entries available for this setup screen
5919   max_setup_info = 0;
5920   for (i = 0; setup_info[i].type != 0; i++)
5921     max_setup_info++;
5922
5923   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5924
5925   MapScreenGadgets(max_setup_info);
5926
5927   if (redraw_all)
5928     redraw_mask = fade_mask = REDRAW_ALL;
5929
5930   DrawMaskedBorder(fade_mask);
5931
5932   FadeIn(fade_mask);
5933 }
5934
5935 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5936 {
5937   menu_info = setup_info;
5938
5939   HandleMenuScreen(mx, my, dx, dy, button,
5940                    setup_mode, num_setup_info, max_setup_info);
5941 }
5942
5943 void DrawSetupScreen_Input()
5944 {
5945   int i;
5946
5947   FadeOut(REDRAW_FIELD);
5948
5949   ClearField();
5950
5951   setup_info = setup_info_input;
5952
5953   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5954
5955   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5956                     "Joysticks deactivated on this screen");
5957
5958   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5959   {
5960     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5961       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5962     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5963       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5964     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5965       initCursor(i, IMG_MENU_BUTTON);
5966
5967     DrawCursorAndText_Setup(i, -1, FALSE);
5968   }
5969
5970   /* create gadgets for setup input menu screen */
5971   FreeScreenGadgets();
5972   CreateScreenGadgets();
5973
5974   /* map gadgets for setup input menu screen */
5975   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5976
5977   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5978
5979   FadeIn(REDRAW_FIELD);
5980 }
5981
5982 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5983 {
5984   if (device_name == NULL)
5985     return;
5986
5987   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5988     device_nr = 0;
5989
5990   if (strlen(device_name) > 1)
5991   {
5992     char c1 = device_name[strlen(device_name) - 1];
5993     char c2 = device_name[strlen(device_name) - 2];
5994
5995     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5996       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5997   }
5998   else
5999     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
6000             strlen(device_name));
6001 }
6002
6003 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
6004 {
6005   int i;
6006   static struct SetupKeyboardInfo custom_key;
6007   static struct
6008   {
6009     Key *key;
6010     char *text;
6011   } custom[] =
6012   {
6013     { &custom_key.left,  "Joystick Left"  },
6014     { &custom_key.right, "Joystick Right" },
6015     { &custom_key.up,    "Joystick Up"    },
6016     { &custom_key.down,  "Joystick Down"  },
6017     { &custom_key.snap,  "Button 1"       },
6018     { &custom_key.drop,  "Button 2"       }
6019   };
6020   static char *joystick_name[MAX_PLAYERS] =
6021   {
6022     "Joystick1",
6023     "Joystick2",
6024     "Joystick3",
6025     "Joystick4"
6026   };
6027   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
6028
6029   InitJoysticks();
6030
6031   custom_key = setup.input[player_nr].key;
6032
6033   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
6034            FONT_INPUT_1_ACTIVE);
6035
6036   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6037                              TILEX, TILEY);
6038   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6039                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6040
6041   if (setup.input[player_nr].use_joystick)
6042   {
6043     char *device_name = setup.input[player_nr].joy.device_name;
6044     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
6045     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
6046
6047     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
6048     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
6049   }
6050   else
6051   {
6052     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
6053     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
6054   }
6055
6056   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
6057
6058   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
6059   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
6060   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
6061   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6062
6063   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6064   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6065   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6066   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6067   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6068   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6069
6070   for (i = 0; i < 6; i++)
6071   {
6072     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6073
6074     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6075              "              ", FONT_VALUE_1);
6076     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6077              (setup.input[player_nr].use_joystick ?
6078               custom[i].text :
6079               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6080   }
6081 }
6082
6083 static int input_player_nr = 0;
6084
6085 void HandleSetupScreen_Input_Player(int step, int direction)
6086 {
6087   int old_player_nr = input_player_nr;
6088   int new_player_nr;
6089
6090   new_player_nr = old_player_nr + step * direction;
6091   if (new_player_nr < 0)
6092     new_player_nr = 0;
6093   if (new_player_nr > MAX_PLAYERS - 1)
6094     new_player_nr = MAX_PLAYERS - 1;
6095
6096   if (new_player_nr != old_player_nr)
6097   {
6098     input_player_nr = new_player_nr;
6099
6100     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6101   }
6102 }
6103
6104 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6105 {
6106   static int choice = 0;
6107   int x = 0;
6108   int y = choice;
6109   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6110   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6111   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6112   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6113
6114   if (button == MB_MENU_INITIALIZE)
6115   {
6116     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6117
6118     DrawCursorAndText_Setup(choice, -1, TRUE);
6119
6120     return;
6121   }
6122   else if (button == MB_MENU_LEAVE)
6123   {
6124     setup_mode = SETUP_MODE_MAIN;
6125     DrawSetupScreen();
6126     InitJoysticks();
6127
6128     return;
6129   }
6130
6131   if (mx || my)         /* mouse input */
6132   {
6133     x = (mx - mSX) / 32;
6134     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6135   }
6136   else if (dx || dy)    /* keyboard input */
6137   {
6138     if (dx && choice == 0)
6139       x = (dx < 0 ? 10 : 12);
6140     else if ((dx && choice == 1) ||
6141              (dx == +1 && choice == 2) ||
6142              (dx == -1 && choice == pos_end))
6143       button = MB_MENU_CHOICE;
6144     else if (dy)
6145       y = choice + dy;
6146
6147     if (y >= pos_empty1 && y <= pos_empty2)
6148       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6149   }
6150
6151   if (y == 0 && dx != 0 && button)
6152   {
6153     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6154   }
6155   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6156            y >= pos_start && y <= pos_end &&
6157            !(y >= pos_empty1 && y <= pos_empty2))
6158   {
6159     if (button)
6160     {
6161       if (y != choice)
6162       {
6163         DrawCursorAndText_Setup(choice, -1, FALSE);
6164         DrawCursorAndText_Setup(y, -1, TRUE);
6165
6166         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6167
6168         choice = y;
6169       }
6170     }
6171     else
6172     {
6173       if (y == 1)
6174       {
6175         char *device_name = setup.input[input_player_nr].joy.device_name;
6176
6177         if (!setup.input[input_player_nr].use_joystick)
6178         {
6179           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6180
6181           setJoystickDeviceToNr(device_name, new_device_nr);
6182           setup.input[input_player_nr].use_joystick = TRUE;
6183         }
6184         else
6185         {
6186           int device_nr = getJoystickNrFromDeviceName(device_name);
6187           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6188
6189           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6190             setup.input[input_player_nr].use_joystick = FALSE;
6191           else
6192             setJoystickDeviceToNr(device_name, new_device_nr);
6193         }
6194
6195         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6196       }
6197       else if (y == 2)
6198       {
6199         if (setup.input[input_player_nr].use_joystick)
6200         {
6201           InitJoysticks();
6202           CalibrateJoystick(input_player_nr);
6203         }
6204         else
6205           CustomizeKeyboard(input_player_nr);
6206       }
6207       else if (y == pos_end)
6208       {
6209         InitJoysticks();
6210
6211         FadeSetLeaveMenu();
6212
6213         setup_mode = SETUP_MODE_MAIN;
6214         DrawSetupScreen();
6215       }
6216     }
6217   }
6218 }
6219
6220 void CustomizeKeyboard(int player_nr)
6221 {
6222   int i;
6223   int step_nr;
6224   boolean finished = FALSE;
6225   static struct SetupKeyboardInfo custom_key;
6226   static struct
6227   {
6228     Key *key;
6229     char *text;
6230   } customize_step[] =
6231   {
6232     { &custom_key.left,  "Move Left"    },
6233     { &custom_key.right, "Move Right"   },
6234     { &custom_key.up,    "Move Up"      },
6235     { &custom_key.down,  "Move Down"    },
6236     { &custom_key.snap,  "Snap Field"   },
6237     { &custom_key.drop,  "Drop Element" }
6238   };
6239
6240   /* read existing key bindings from player setup */
6241   custom_key = setup.input[player_nr].key;
6242
6243   FadeSetEnterMenu();
6244   FadeOut(REDRAW_FIELD);
6245
6246   ClearField();
6247
6248   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6249
6250   step_nr = 0;
6251   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6252            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6253   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6254            "Key:", FONT_INPUT_1_ACTIVE);
6255   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6256            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6257
6258   FadeIn(REDRAW_FIELD);
6259
6260   while (!finished)
6261   {
6262     if (PendingEvent())         /* got event */
6263     {
6264       Event event;
6265
6266       NextEvent(&event);
6267
6268       switch (event.type)
6269       {
6270         case EVENT_KEYPRESS:
6271           {
6272             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6273
6274             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6275             {
6276               if (key == KSYM_Escape)
6277                 FadeSkipNextFadeIn();
6278
6279               finished = TRUE;
6280               break;
6281             }
6282
6283             /* all keys configured -- wait for "Escape" or "Return" key */
6284             if (step_nr == 6)
6285               break;
6286
6287             /* press 'Enter' to keep the existing key binding */
6288             if (key == KSYM_Return)
6289               key = *customize_step[step_nr].key;
6290
6291             /* check if key already used */
6292             for (i = 0; i < step_nr; i++)
6293               if (*customize_step[i].key == key)
6294                 break;
6295             if (i < step_nr)
6296               break;
6297
6298             /* got new key binding */
6299             *customize_step[step_nr].key = key;
6300             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6301                      "             ", FONT_VALUE_1);
6302             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6303                      getKeyNameFromKey(key), FONT_VALUE_1);
6304             step_nr++;
6305
6306             /* un-highlight last query */
6307             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6308                      customize_step[step_nr - 1].text, FONT_MENU_1);
6309             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6310                      "Key:", FONT_MENU_1);
6311
6312             /* press 'Enter' to leave */
6313             if (step_nr == 6)
6314             {
6315               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6316                        "Press Enter", FONT_TITLE_1);
6317               break;
6318             }
6319
6320             /* query next key binding */
6321             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6322                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6323             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6324                      "Key:", FONT_INPUT_1_ACTIVE);
6325             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6326                      getKeyNameFromKey(*customize_step[step_nr].key),
6327                      FONT_VALUE_OLD);
6328           }
6329           break;
6330
6331         case EVENT_KEYRELEASE:
6332           key_joystick_mapping = 0;
6333           break;
6334
6335         default:
6336           HandleOtherEvents(&event);
6337           break;
6338       }
6339     }
6340
6341     BackToFront();
6342   }
6343
6344   /* write new key bindings back to player setup */
6345   setup.input[player_nr].key = custom_key;
6346
6347   DrawSetupScreen_Input();
6348 }
6349
6350 static boolean CalibrateJoystickMain(int player_nr)
6351 {
6352   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6353   int new_joystick_xright = JOYSTICK_XMIDDLE;
6354   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6355   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6356   int new_joystick_xmiddle, new_joystick_ymiddle;
6357
6358   int joystick_fd = joystick.fd[player_nr];
6359   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6360   boolean check[3][3];
6361   int check_remaining = 3 * 3;
6362   int joy_x, joy_y;
6363   int joy_value;
6364   int result = -1;
6365
6366   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6367     return FALSE;
6368
6369   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6370     return FALSE;
6371
6372   FadeSetEnterMenu();
6373   FadeOut(REDRAW_FIELD);
6374
6375   ClearField();
6376
6377   for (y = 0; y < 3; y++)
6378   {
6379     for (x = 0; x < 3; x++)
6380     {
6381       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6382       check[x][y] = FALSE;
6383     }
6384   }
6385
6386   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6387   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6388   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6389   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6390   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6391   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6392   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6393
6394   joy_value = Joystick(player_nr);
6395   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6396   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6397
6398   /* eventually uncalibrated center position (joystick could be uncentered) */
6399   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6400     return FALSE;
6401
6402   new_joystick_xmiddle = joy_x;
6403   new_joystick_ymiddle = joy_y;
6404
6405   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6406
6407   FadeIn(REDRAW_FIELD);
6408
6409   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6410
6411   while (result < 0)
6412   {
6413     if (PendingEvent())         /* got event */
6414     {
6415       Event event;
6416
6417       NextEvent(&event);
6418
6419       switch (event.type)
6420       {
6421         case EVENT_KEYPRESS:
6422           switch (GetEventKey((KeyEvent *)&event, TRUE))
6423           {
6424             case KSYM_Return:
6425               if (check_remaining == 0)
6426                 result = 1;
6427               break;
6428
6429             case KSYM_Escape:
6430               FadeSkipNextFadeIn();
6431               result = 0;
6432               break;
6433
6434             default:
6435               break;
6436           }
6437           break;
6438
6439         case EVENT_KEYRELEASE:
6440           key_joystick_mapping = 0;
6441           break;
6442
6443         default:
6444           HandleOtherEvents(&event);
6445           break;
6446       }
6447     }
6448
6449     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6450       return FALSE;
6451
6452     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6453     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6454     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6455     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6456
6457     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6458     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6459     setup.input[player_nr].joy.xright = new_joystick_xright;
6460     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6461     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6462     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6463
6464     CheckJoystickData();
6465
6466     joy_value = Joystick(player_nr);
6467
6468     if (joy_value & JOY_BUTTON && check_remaining == 0)
6469       result = 1;
6470
6471     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6472     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6473
6474     if (x != last_x || y != last_y)
6475     {
6476       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6477                        IMG_MENU_CALIBRATE_YELLOW, 0);
6478       DrawFixedGraphic(xpos + x,      ypos + y,
6479                        IMG_MENU_CALIBRATE_RED,    0);
6480
6481       last_x = x;
6482       last_y = y;
6483
6484       if (check_remaining > 0 && !check[x+1][y+1])
6485       {
6486         check[x+1][y+1] = TRUE;
6487         check_remaining--;
6488       }
6489     }
6490
6491     BackToFront();
6492   }
6493
6494   /* calibrated center position (joystick should now be centered) */
6495   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6496     return FALSE;
6497
6498   new_joystick_xmiddle = joy_x;
6499   new_joystick_ymiddle = joy_y;
6500
6501   /* wait until the last pressed button was released */
6502   while (Joystick(player_nr) & JOY_BUTTON)
6503   {
6504     if (PendingEvent())         /* got event */
6505     {
6506       Event event;
6507
6508       NextEvent(&event);
6509       HandleOtherEvents(&event);
6510
6511       BackToFront();
6512     }
6513   }
6514
6515   return TRUE;
6516 }
6517
6518 void CalibrateJoystick(int player_nr)
6519 {
6520   if (!CalibrateJoystickMain(player_nr))
6521   {
6522     char *device_name = setup.input[player_nr].joy.device_name;
6523     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6524     int xpos = mSX - SX;
6525     int ypos = mSY - SY;
6526
6527     ClearField();
6528
6529     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6530     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6531     BackToFront();
6532
6533     Delay(2000);                /* show error message for a short time */
6534
6535     ClearEventQueue();
6536   }
6537
6538   DrawSetupScreen_Input();
6539 }
6540
6541 void DrawSetupScreen()
6542 {
6543   DeactivateJoystick();
6544
6545   if (setup_mode == SETUP_MODE_INPUT)
6546     DrawSetupScreen_Input();
6547   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6548     DrawChooseTree(&game_speed_current);
6549   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6550     DrawChooseTree(&scroll_delay_current);
6551   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6552     DrawChooseTree(&snapshot_mode_current);
6553   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6554     DrawChooseTree(&window_size_current);
6555   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6556     DrawChooseTree(&scaling_type_current);
6557   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6558     DrawChooseTree(&rendering_mode_current);
6559   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6560     DrawChooseTree(&artwork.gfx_current);
6561   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6562     DrawChooseTree(&artwork.snd_current);
6563   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6564     DrawChooseTree(&artwork.mus_current);
6565   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6566     DrawChooseTree(&volume_simple_current);
6567   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6568     DrawChooseTree(&volume_loops_current);
6569   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6570     DrawChooseTree(&volume_music_current);
6571   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6572     DrawChooseTree(&touch_control_current);
6573   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6574     DrawChooseTree(&move_distance_current);
6575   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6576     DrawChooseTree(&drop_distance_current);
6577   else
6578     DrawSetupScreen_Generic();
6579
6580   PlayMenuSoundsAndMusic();
6581 }
6582
6583 void RedrawSetupScreenAfterFullscreenToggle()
6584 {
6585   if (setup_mode == SETUP_MODE_GRAPHICS ||
6586       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6587   {
6588     // update list selection from "setup.window_scaling_percent"
6589     execSetupGraphics_setWindowSizes(TRUE);
6590
6591     DrawSetupScreen();
6592   }
6593 }
6594
6595 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6596 {
6597   if (setup_mode == SETUP_MODE_INPUT)
6598     HandleSetupScreen_Input(mx, my, dx, dy, button);
6599   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6600     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6601   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6602     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6603   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6604     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6605   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6606     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6607   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6608     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6609   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6610     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
6611   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6612     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6613   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6614     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6615   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6616     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6617   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6618     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6619   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6620     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6621   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6622     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6623   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6624     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6625   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6626     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6627   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6628     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6629   else
6630     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6631 }
6632
6633 void HandleGameActions()
6634 {
6635   if (game_status != GAME_MODE_PLAYING)
6636     return;
6637
6638   GameActions();        /* main game loop */
6639
6640   if (tape.auto_play && !tape.playing)
6641     AutoPlayTape();     /* continue automatically playing next tape */
6642 }
6643
6644
6645 /* ---------- new screen button stuff -------------------------------------- */
6646
6647 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6648 {
6649   switch (gadget_id)
6650   {
6651     case SCREEN_CTRL_ID_PREV_LEVEL:
6652       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6653       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6654       break;
6655
6656     case SCREEN_CTRL_ID_NEXT_LEVEL:
6657       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6658       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6659       break;
6660
6661     case SCREEN_CTRL_ID_PREV_PLAYER:
6662       *x = mSX + TILEX * 10;
6663       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6664       break;
6665
6666     case SCREEN_CTRL_ID_NEXT_PLAYER:
6667       *x = mSX + TILEX * 12;
6668       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6669       break;
6670
6671     default:
6672       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6673   }
6674 }
6675
6676 static struct
6677 {
6678   int gfx_unpressed, gfx_pressed;
6679   void (*get_gadget_position)(int *, int *, int);
6680   int gadget_id;
6681   int screen_mask;
6682   char *infotext;
6683 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6684 {
6685   {
6686     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6687     getScreenMenuButtonPos,
6688     SCREEN_CTRL_ID_PREV_LEVEL,
6689     SCREEN_MASK_MAIN,
6690     "last level"
6691   },
6692   {
6693     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6694     getScreenMenuButtonPos,
6695     SCREEN_CTRL_ID_NEXT_LEVEL,
6696     SCREEN_MASK_MAIN,
6697     "next level"
6698   },
6699   {
6700     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6701     getScreenMenuButtonPos,
6702     SCREEN_CTRL_ID_PREV_PLAYER,
6703     SCREEN_MASK_INPUT,
6704     "last player"
6705   },
6706   {
6707     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6708     getScreenMenuButtonPos,
6709     SCREEN_CTRL_ID_NEXT_PLAYER,
6710     SCREEN_MASK_INPUT,
6711     "next player"
6712   },
6713 };
6714
6715 static struct
6716 {
6717   int gfx_unpressed, gfx_pressed;
6718   int x, y;
6719   int gadget_id;
6720   char *infotext;
6721 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6722 {
6723   {
6724     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6725     -1, -1,     /* these values are not constant, but can change at runtime */
6726     SCREEN_CTRL_ID_SCROLL_UP,
6727     "scroll up"
6728   },
6729   {
6730     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6731     -1, -1,     /* these values are not constant, but can change at runtime */
6732     SCREEN_CTRL_ID_SCROLL_DOWN,
6733     "scroll down"
6734   }
6735 };
6736
6737 static struct
6738 {
6739   int gfx_unpressed, gfx_pressed;
6740   int x, y;
6741   int width, height;
6742   int type;
6743   int gadget_id;
6744   char *infotext;
6745 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6746 {
6747   {
6748     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6749     -1, -1,     /* these values are not constant, but can change at runtime */
6750     -1, -1,     /* these values are not constant, but can change at runtime */
6751     GD_TYPE_SCROLLBAR_VERTICAL,
6752     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6753     "scroll level series vertically"
6754   }
6755 };
6756
6757 static void CreateScreenMenubuttons()
6758 {
6759   struct GadgetInfo *gi;
6760   unsigned int event_mask;
6761   int i;
6762
6763   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6764   {
6765     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6766     int gfx_unpressed, gfx_pressed;
6767     int x, y, width, height;
6768     int gd_x1, gd_x2, gd_y1, gd_y2;
6769     int id = menubutton_info[i].gadget_id;
6770
6771     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6772
6773     menubutton_info[i].get_gadget_position(&x, &y, id);
6774
6775     width = SC_MENUBUTTON_XSIZE;
6776     height = SC_MENUBUTTON_YSIZE;
6777
6778     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6779     gfx_pressed   = menubutton_info[i].gfx_pressed;
6780     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6781     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6782     gd_x1 = graphic_info[gfx_unpressed].src_x;
6783     gd_y1 = graphic_info[gfx_unpressed].src_y;
6784     gd_x2 = graphic_info[gfx_pressed].src_x;
6785     gd_y2 = graphic_info[gfx_pressed].src_y;
6786
6787     gi = CreateGadget(GDI_CUSTOM_ID, id,
6788                       GDI_CUSTOM_TYPE_ID, i,
6789                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6790                       GDI_X, x,
6791                       GDI_Y, y,
6792                       GDI_WIDTH, width,
6793                       GDI_HEIGHT, height,
6794                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6795                       GDI_STATE, GD_BUTTON_UNPRESSED,
6796                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6797                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6798                       GDI_DIRECT_DRAW, FALSE,
6799                       GDI_EVENT_MASK, event_mask,
6800                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6801                       GDI_END);
6802
6803     if (gi == NULL)
6804       Error(ERR_EXIT, "cannot create gadget");
6805
6806     screen_gadget[id] = gi;
6807   }
6808 }
6809
6810 static void CreateScreenScrollbuttons()
6811 {
6812   struct GadgetInfo *gi;
6813   unsigned int event_mask;
6814   int i;
6815
6816   /* these values are not constant, but can change at runtime */
6817   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6818   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6819   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6820   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6821
6822   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6823   {
6824     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6825     int gfx_unpressed, gfx_pressed;
6826     int x, y, width, height;
6827     int gd_x1, gd_x2, gd_y1, gd_y2;
6828     int id = scrollbutton_info[i].gadget_id;
6829
6830     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6831
6832     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6833     y = mSY + scrollbutton_info[i].y;
6834     width = SC_SCROLLBUTTON_XSIZE;
6835     height = SC_SCROLLBUTTON_YSIZE;
6836
6837     /* correct scrollbar position if placed outside menu (playfield) area */
6838     if (x > SX + SC_SCROLL_UP_XPOS)
6839       x = SX + SC_SCROLL_UP_XPOS;
6840
6841     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6842       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6843                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6844
6845     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6846     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6847     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6848     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6849     gd_x1 = graphic_info[gfx_unpressed].src_x;
6850     gd_y1 = graphic_info[gfx_unpressed].src_y;
6851     gd_x2 = graphic_info[gfx_pressed].src_x;
6852     gd_y2 = graphic_info[gfx_pressed].src_y;
6853
6854     gi = CreateGadget(GDI_CUSTOM_ID, id,
6855                       GDI_CUSTOM_TYPE_ID, i,
6856                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6857                       GDI_X, x,
6858                       GDI_Y, y,
6859                       GDI_WIDTH, width,
6860                       GDI_HEIGHT, height,
6861                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6862                       GDI_STATE, GD_BUTTON_UNPRESSED,
6863                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6864                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6865                       GDI_DIRECT_DRAW, FALSE,
6866                       GDI_EVENT_MASK, event_mask,
6867                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6868                       GDI_END);
6869
6870     if (gi == NULL)
6871       Error(ERR_EXIT, "cannot create gadget");
6872
6873     screen_gadget[id] = gi;
6874   }
6875 }
6876
6877 static void CreateScreenScrollbars()
6878 {
6879   int i;
6880
6881   /* these values are not constant, but can change at runtime */
6882   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6883   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6884   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6885   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6886
6887   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6888   {
6889     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6890     int gfx_unpressed, gfx_pressed;
6891     int x, y, width, height;
6892     int gd_x1, gd_x2, gd_y1, gd_y2;
6893     struct GadgetInfo *gi;
6894     int items_max, items_visible, item_position;
6895     unsigned int event_mask;
6896     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6897     int id = scrollbar_info[i].gadget_id;
6898
6899     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6900
6901     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6902     y = mSY + scrollbar_info[i].y;
6903     width  = scrollbar_info[i].width;
6904     height = scrollbar_info[i].height;
6905
6906     /* correct scrollbar position if placed outside menu (playfield) area */
6907     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6908       x = SX + SC_SCROLL_VERTICAL_XPOS;
6909
6910     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6911       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6912
6913     items_max = num_page_entries;
6914     items_visible = num_page_entries;
6915     item_position = 0;
6916
6917     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6918     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6919     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6920     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6921     gd_x1 = graphic_info[gfx_unpressed].src_x;
6922     gd_y1 = graphic_info[gfx_unpressed].src_y;
6923     gd_x2 = graphic_info[gfx_pressed].src_x;
6924     gd_y2 = graphic_info[gfx_pressed].src_y;
6925
6926     gi = CreateGadget(GDI_CUSTOM_ID, id,
6927                       GDI_CUSTOM_TYPE_ID, i,
6928                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6929                       GDI_X, x,
6930                       GDI_Y, y,
6931                       GDI_WIDTH, width,
6932                       GDI_HEIGHT, height,
6933                       GDI_TYPE, scrollbar_info[i].type,
6934                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6935                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6936                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6937                       GDI_WHEEL_AREA_X, SX,
6938                       GDI_WHEEL_AREA_Y, SY,
6939                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6940                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6941                       GDI_STATE, GD_BUTTON_UNPRESSED,
6942                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6943                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6944                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6945                       GDI_DIRECT_DRAW, FALSE,
6946                       GDI_EVENT_MASK, event_mask,
6947                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6948                       GDI_END);
6949
6950     if (gi == NULL)
6951       Error(ERR_EXIT, "cannot create gadget");
6952
6953     screen_gadget[id] = gi;
6954   }
6955 }
6956
6957 void CreateScreenGadgets()
6958 {
6959   CreateScreenMenubuttons();
6960
6961   CreateScreenScrollbuttons();
6962   CreateScreenScrollbars();
6963 }
6964
6965 void FreeScreenGadgets()
6966 {
6967   int i;
6968
6969   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6970     FreeGadget(screen_gadget[i]);
6971 }
6972
6973 void MapScreenMenuGadgets(int screen_mask)
6974 {
6975   int i;
6976
6977   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6978     if (screen_mask & menubutton_info[i].screen_mask)
6979       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6980 }
6981
6982 void MapScreenGadgets(int num_entries)
6983 {
6984   int i;
6985
6986   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6987     return;
6988
6989   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6990     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6991
6992   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6993     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6994 }
6995
6996 void MapScreenTreeGadgets(TreeInfo *ti)
6997 {
6998   MapScreenGadgets(numTreeInfoInGroup(ti));
6999 }
7000
7001 static void HandleScreenGadgets(struct GadgetInfo *gi)
7002 {
7003   int id = gi->custom_id;
7004   int button = gi->event.button;
7005   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
7006
7007   switch (id)
7008   {
7009     case SCREEN_CTRL_ID_PREV_LEVEL:
7010       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
7011       break;
7012
7013     case SCREEN_CTRL_ID_NEXT_LEVEL:
7014       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
7015       break;
7016
7017     case SCREEN_CTRL_ID_PREV_PLAYER:
7018       HandleSetupScreen_Input_Player(step, -1);
7019       break;
7020
7021     case SCREEN_CTRL_ID_NEXT_PLAYER:
7022       HandleSetupScreen_Input_Player(step, +1);
7023       break;
7024
7025     case SCREEN_CTRL_ID_SCROLL_UP:
7026       if (game_status == GAME_MODE_LEVELS)
7027         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7028       else if (game_status == GAME_MODE_LEVELNR)
7029         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7030       else if (game_status == GAME_MODE_SETUP)
7031         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7032       else if (game_status == GAME_MODE_INFO)
7033         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7034       break;
7035
7036     case SCREEN_CTRL_ID_SCROLL_DOWN:
7037       if (game_status == GAME_MODE_LEVELS)
7038         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7039       else if (game_status == GAME_MODE_LEVELNR)
7040         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7041       else if (game_status == GAME_MODE_SETUP)
7042         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7043       else if (game_status == GAME_MODE_INFO)
7044         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7045       break;
7046
7047     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7048       if (game_status == GAME_MODE_LEVELS)
7049         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7050       else if (game_status == GAME_MODE_LEVELNR)
7051         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7052       else if (game_status == GAME_MODE_SETUP)
7053         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7054       else if (game_status == GAME_MODE_INFO)
7055         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7056       break;
7057
7058     default:
7059       break;
7060   }
7061 }