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_LEVELS && dx != 0 && button)
1853   {
1854     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1855   }
1856   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1857   {
1858     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1859   }
1860   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1861   {
1862     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1863   }
1864   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1865   {
1866     CloseDoor(DOOR_CLOSE_2);
1867
1868     SetGameStatus(GAME_MODE_LEVELNR);
1869
1870     DrawChooseLevelNr();
1871   }
1872   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1873   {
1874     if (button)
1875     {
1876       if (pos != choice)
1877       {
1878         PlaySound(SND_MENU_ITEM_ACTIVATING);
1879
1880         DrawCursorAndText_Main(choice, FALSE, FALSE);
1881         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1882
1883         choice = pos;
1884       }
1885     }
1886     else
1887     {
1888       PlaySound(SND_MENU_ITEM_SELECTING);
1889
1890       if (pos == MAIN_CONTROL_NAME)
1891       {
1892         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
1893
1894         HandleTypeName(strlen(setup.player_name), 0);
1895       }
1896       else if (pos == MAIN_CONTROL_LEVELS)
1897       {
1898         if (leveldir_first)
1899         {
1900           CloseDoor(DOOR_CLOSE_2);
1901
1902           SetGameStatus(GAME_MODE_LEVELS);
1903
1904           SaveLevelSetup_LastSeries();
1905           SaveLevelSetup_SeriesInfo();
1906
1907           if (setup.internal.choose_from_top_leveldir)
1908             gotoTopLevelDir();
1909
1910           DrawChooseLevelSet();
1911         }
1912       }
1913       else if (pos == MAIN_CONTROL_SCORES)
1914       {
1915         CloseDoor(DOOR_CLOSE_2);
1916
1917         SetGameStatus(GAME_MODE_SCORES);
1918
1919         DrawHallOfFame(-1);
1920       }
1921       else if (pos == MAIN_CONTROL_EDITOR)
1922       {
1923         if (leveldir_current->readonly &&
1924             !strEqual(setup.player_name, "Artsoft"))
1925           Request("This level is read only!", REQ_CONFIRM);
1926
1927         CloseDoor(DOOR_CLOSE_2);
1928
1929         SetGameStatus(GAME_MODE_EDITOR);
1930
1931         FadeSetEnterScreen();
1932
1933         DrawLevelEd();
1934       }
1935       else if (pos == MAIN_CONTROL_INFO)
1936       {
1937         CloseDoor(DOOR_CLOSE_2);
1938
1939         SetGameStatus(GAME_MODE_INFO);
1940
1941         info_mode = INFO_MODE_MAIN;
1942
1943         DrawInfoScreen();
1944       }
1945       else if (pos == MAIN_CONTROL_GAME)
1946       {
1947         StartGameActions(options.network, setup.autorecord, level.random_seed);
1948       }
1949       else if (pos == MAIN_CONTROL_SETUP)
1950       {
1951         CloseDoor(DOOR_CLOSE_2);
1952
1953         SetGameStatus(GAME_MODE_SETUP);
1954
1955         setup_mode = SETUP_MODE_MAIN;
1956
1957         DrawSetupScreen();
1958       }
1959       else if (pos == MAIN_CONTROL_QUIT)
1960       {
1961         SaveLevelSetup_LastSeries();
1962         SaveLevelSetup_SeriesInfo();
1963
1964         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1965           SetGameStatus(GAME_MODE_QUIT);
1966       }
1967     }
1968   }
1969
1970   button_pressed_last = button_pressed;
1971 }
1972
1973
1974 /* ========================================================================= */
1975 /* info screen functions                                                     */
1976 /* ========================================================================= */
1977
1978 static struct TokenInfo *info_info;
1979 static int num_info_info;       /* number of info entries shown on screen */
1980 static int max_info_info;       /* total number of info entries in list */
1981
1982 static void execInfoTitleScreen()
1983 {
1984   info_mode = INFO_MODE_TITLE;
1985
1986   DrawInfoScreen();
1987 }
1988
1989 static void execInfoElements()
1990 {
1991   info_mode = INFO_MODE_ELEMENTS;
1992
1993   DrawInfoScreen();
1994 }
1995
1996 static void execInfoMusic()
1997 {
1998   info_mode = INFO_MODE_MUSIC;
1999
2000   DrawInfoScreen();
2001 }
2002
2003 static void execInfoCredits()
2004 {
2005   info_mode = INFO_MODE_CREDITS;
2006
2007   DrawInfoScreen();
2008 }
2009
2010 static void execInfoProgram()
2011 {
2012   info_mode = INFO_MODE_PROGRAM;
2013
2014   DrawInfoScreen();
2015 }
2016
2017 static void execInfoVersion()
2018 {
2019   info_mode = INFO_MODE_VERSION;
2020
2021   DrawInfoScreen();
2022 }
2023
2024 static void execInfoLevelSet()
2025 {
2026   info_mode = INFO_MODE_LEVELSET;
2027
2028   DrawInfoScreen();
2029 }
2030
2031 static void execExitInfo()
2032 {
2033   SetGameStatus(GAME_MODE_MAIN);
2034
2035   DrawMainMenu();
2036 }
2037
2038 static struct TokenInfo info_info_main[] =
2039 {
2040   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2041   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2042   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2043   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2044   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2045   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2046   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2047   { TYPE_EMPTY,         NULL,                   ""                      },
2048   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2049
2050   { 0,                  NULL,                   NULL                    }
2051 };
2052
2053 static int getMenuTextFont(int type)
2054 {
2055   if (type & (TYPE_SWITCH       |
2056               TYPE_YES_NO       |
2057               TYPE_YES_NO_AUTO  |
2058               TYPE_STRING       |
2059               TYPE_ECS_AGA      |
2060               TYPE_KEYTEXT      |
2061               TYPE_ENTER_LIST))
2062     return FONT_MENU_2;
2063   else
2064     return FONT_MENU_1;
2065 }
2066
2067 static struct TokenInfo *setup_info;
2068 static struct TokenInfo setup_info_input[];
2069
2070 static struct TokenInfo *menu_info;
2071
2072 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2073                                        int screen_pos, int menu_info_pos_raw,
2074                                        boolean active)
2075 {
2076   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2077   struct TokenInfo *ti = &token_info[pos];
2078   int xpos = MENU_SCREEN_START_XPOS;
2079   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2080   int font_nr = getMenuTextFont(ti->type);
2081
2082   if (token_info == setup_info_input)
2083     font_nr = FONT_MENU_1;
2084
2085   if (active)
2086     font_nr = FONT_ACTIVE(font_nr);
2087
2088   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2089
2090   if (ti->type & ~TYPE_SKIP_ENTRY)
2091     drawCursor(screen_pos, active);
2092 }
2093
2094 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2095                                    boolean active)
2096 {
2097   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2098 }
2099
2100 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2101                                     boolean active)
2102 {
2103   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2104 }
2105
2106 static char *window_size_text;
2107 static char *scaling_type_text;
2108
2109 static void drawSetupValue(int, int);
2110
2111 static void drawMenuInfoList(int first_entry, int num_page_entries,
2112                              int max_page_entries)
2113 {
2114   int i;
2115
2116   if (first_entry + num_page_entries > max_page_entries)
2117     first_entry = 0;
2118
2119   clearMenuListArea();
2120
2121   for (i = 0; i < num_page_entries; i++)
2122   {
2123     int menu_info_pos = first_entry + i;
2124     struct TokenInfo *si = &menu_info[menu_info_pos];
2125     void *value_ptr = si->value;
2126
2127     /* set some entries to "unchangeable" according to other variables */
2128     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2129         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2130         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2131         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2132         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2133         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2134       si->type |= TYPE_GHOSTED;
2135
2136     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2137       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2138     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2139       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2140     else if (si->type & ~TYPE_SKIP_ENTRY)
2141       initCursor(i, IMG_MENU_BUTTON);
2142
2143     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2144
2145     if (si->type & TYPE_VALUE &&
2146         menu_info == setup_info)
2147       drawSetupValue(i, menu_info_pos);
2148   }
2149 }
2150
2151 static void DrawInfoScreen_Main()
2152 {
2153   int fade_mask = REDRAW_FIELD;
2154   int i;
2155
2156   if (redraw_mask & REDRAW_ALL)
2157     fade_mask = REDRAW_ALL;
2158
2159   if (CheckIfGlobalBorderHasChanged())
2160     fade_mask = REDRAW_ALL;
2161
2162   UnmapAllGadgets();
2163   FadeMenuSoundsAndMusic();
2164
2165   FreeScreenGadgets();
2166   CreateScreenGadgets();
2167
2168   /* (needed after displaying title screens which disable auto repeat) */
2169   KeyboardAutoRepeatOn();
2170
2171   FadeSetLeaveScreen();
2172
2173   FadeOut(fade_mask);
2174
2175   /* needed if different viewport properties defined for info screen */
2176   ChangeViewportPropertiesIfNeeded();
2177
2178   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2179
2180   ClearField();
2181
2182   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2183
2184   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2185
2186   info_info = info_info_main;
2187
2188   // determine maximal number of info entries that can be displayed on screen
2189   num_info_info = 0;
2190   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2191     num_info_info++;
2192
2193   // determine maximal number of info entries available for menu of info screen
2194   max_info_info = 0;
2195   for (i = 0; info_info[i].type != 0; i++)
2196     max_info_info++;
2197
2198   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2199
2200   MapScreenGadgets(max_info_info);
2201
2202   PlayMenuSoundsAndMusic();
2203
2204   DrawMaskedBorder(fade_mask);
2205
2206   FadeIn(fade_mask);
2207 }
2208
2209 static void changeSetupValue(int, int, int);
2210
2211 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2212                       int mode, int num_page_entries, int max_page_entries)
2213 {
2214   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2215   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2216   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2217   int *num_page_entries_last = num_page_entries_all_last[game_status];
2218   int *choice_store = choice_stores[game_status];
2219   int *first_entry_store = first_entry_stores[game_status];
2220   int choice = choice_store[mode];              /* starts with 0 */
2221   int first_entry = first_entry_store[mode];    /* starts with 0 */
2222   int x = 0;
2223   int y = choice - first_entry;
2224   int y_old = y;
2225   boolean position_set_by_scrollbar = (dx == 999);
2226   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2227   int i;
2228
2229   if (button == MB_MENU_INITIALIZE)
2230   {
2231     // check if number of menu page entries has changed (may happen by change
2232     // of custom artwork definition value for 'list_size' for this menu screen)
2233     // (in this case, the last menu position most probably has to be corrected)
2234     if (num_page_entries != num_page_entries_last[mode])
2235     {
2236       choice_store[mode] = first_entry_store[mode] = 0;
2237
2238       choice = first_entry = 0;
2239       y = y_old = 0;
2240
2241       num_page_entries_last[mode] = num_page_entries;
2242     }
2243
2244     /* advance to first valid menu entry */
2245     while (choice < num_page_entries &&
2246            menu_info[choice].type & TYPE_SKIP_ENTRY)
2247       choice++;
2248
2249     if (position_set_by_scrollbar)
2250       first_entry = first_entry_store[mode] = dy;
2251     else
2252       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2253                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2254
2255     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2256
2257     if (choice < first_entry)
2258     {
2259       choice = first_entry;
2260
2261       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2262         choice++;
2263     }
2264     else if (choice > first_entry + num_page_entries - 1)
2265     {
2266       choice = first_entry + num_page_entries - 1;
2267
2268       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2269         choice--;
2270     }
2271
2272     choice_store[mode] = choice;
2273
2274     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2275
2276     return;
2277   }
2278   else if (button == MB_MENU_LEAVE)
2279   {
2280     PlaySound(SND_MENU_ITEM_SELECTING);
2281
2282     for (i = 0; i < max_page_entries; i++)
2283     {
2284       if (menu_info[i].type & TYPE_LEAVE_MENU)
2285       {
2286         void (*menu_callback_function)(void) = menu_info[i].value;
2287
2288         FadeSetLeaveMenu();
2289
2290         menu_callback_function();
2291
2292         break;  /* absolutely needed because function changes 'menu_info'! */
2293       }
2294     }
2295
2296     return;
2297   }
2298
2299   if (mx || my)         /* mouse input */
2300   {
2301     x = (mx - mSX) / 32;
2302     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2303   }
2304   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2305   {
2306     /* move cursor instead of scrolling when already at start/end of list */
2307     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2308       dy = -1;
2309     else if (dy == +1 * SCROLL_LINE &&
2310              first_entry + num_page_entries == max_page_entries)
2311       dy = 1;
2312
2313     /* handle scrolling screen one line or page */
2314     if (y + dy < 0 ||
2315         y + dy > num_page_entries - 1)
2316     {
2317       boolean redraw = FALSE;
2318
2319       if (ABS(dy) == SCROLL_PAGE)
2320         step = num_page_entries - 1;
2321
2322       if (dy < 0 && first_entry > 0)
2323       {
2324         /* scroll page/line up */
2325
2326         first_entry -= step;
2327         if (first_entry < 0)
2328           first_entry = 0;
2329
2330         redraw = TRUE;
2331       }
2332       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2333       {
2334         /* scroll page/line down */
2335
2336         first_entry += step;
2337         if (first_entry + num_page_entries > max_page_entries)
2338           first_entry = MAX(0, max_page_entries - num_page_entries);
2339
2340         redraw = TRUE;
2341       }
2342
2343       if (redraw)
2344       {
2345         choice += first_entry - first_entry_store[mode];
2346
2347         if (choice < first_entry)
2348         {
2349           choice = first_entry;
2350
2351           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2352             choice++;
2353         }
2354         else if (choice > first_entry + num_page_entries - 1)
2355         {
2356           choice = first_entry + num_page_entries - 1;
2357
2358           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2359             choice--;
2360         }
2361         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2362         {
2363           choice += SIGN(dy);
2364
2365           if (choice < first_entry ||
2366               choice > first_entry + num_page_entries - 1)
2367           first_entry += SIGN(dy);
2368         }
2369
2370         first_entry_store[mode] = first_entry;
2371         choice_store[mode] = choice;
2372
2373         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2374
2375         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2376
2377         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2378                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2379       }
2380
2381       return;
2382     }
2383
2384     if (dx)
2385     {
2386       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2387
2388       if (menu_info[choice].type & menu_navigation_type ||
2389           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2390           menu_info[choice].type & TYPE_YES_NO_AUTO)
2391         button = MB_MENU_CHOICE;
2392     }
2393     else if (dy)
2394       y += dy;
2395
2396     /* jump to next non-empty menu entry (up or down) */
2397     while (first_entry + y > 0 &&
2398            first_entry + y < max_page_entries - 1 &&
2399            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2400       y += dy;
2401
2402     if (!IN_VIS_MENU(x, y))
2403     {
2404       choice += y - y_old;
2405
2406       if (choice < first_entry)
2407         first_entry = choice;
2408       else if (choice > first_entry + num_page_entries - 1)
2409         first_entry = choice - num_page_entries + 1;
2410
2411       if (first_entry >= 0 &&
2412           first_entry + num_page_entries <= max_page_entries)
2413       {
2414         first_entry_store[mode] = first_entry;
2415
2416         if (choice < first_entry)
2417           choice = first_entry;
2418         else if (choice > first_entry + num_page_entries - 1)
2419           choice = first_entry + num_page_entries - 1;
2420
2421         choice_store[mode] = choice;
2422
2423         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2424
2425         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2426
2427         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2428                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2429       }
2430
2431       return;
2432     }
2433   }
2434
2435   if (!anyScrollbarGadgetActive() &&
2436       IN_VIS_MENU(x, y) &&
2437       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2438       y >= 0 && y < num_page_entries)
2439   {
2440     if (button)
2441     {
2442       if (first_entry + y != choice &&
2443           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2444       {
2445         PlaySound(SND_MENU_ITEM_ACTIVATING);
2446
2447         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2448         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2449
2450         choice = choice_store[mode] = first_entry + y;
2451       }
2452     }
2453     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2454     {
2455       PlaySound(SND_MENU_ITEM_SELECTING);
2456
2457       /* when selecting key headline, execute function for key value change */
2458       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2459           menu_info[first_entry + y + 1].type & TYPE_KEY)
2460         y++;
2461
2462       /* when selecting string value, execute function for list selection */
2463       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2464           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2465         y--;
2466
2467       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2468       {
2469         void (*menu_callback_function)(void) =
2470           menu_info[first_entry + y].value;
2471
2472         FadeSetFromType(menu_info[first_entry + y].type);
2473
2474         menu_callback_function();
2475       }
2476       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2477                menu_info == setup_info)
2478       {
2479         changeSetupValue(y, first_entry + y, dx);
2480       }
2481     }
2482   }
2483 }
2484
2485 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2486 {
2487   menu_info = info_info;
2488
2489   HandleMenuScreen(mx, my, dx, dy, button,
2490                    info_mode, num_info_info, max_info_info);
2491 }
2492
2493 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2494 {
2495   int ystart1 = mSY - SY + 100;
2496   int ystart2 = mSY - SY + 150;
2497   int ybottom = mSY - SY + SYSIZE - 20;
2498
2499   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2500
2501   FadeOut(REDRAW_FIELD);
2502
2503   ClearField();
2504   DrawHeadline();
2505
2506   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2507   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2508
2509   DrawTextSCentered(ybottom, FONT_TEXT_4,
2510                     "Press any key or button for info menu");
2511
2512   FadeIn(REDRAW_FIELD);
2513 }
2514
2515 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2516 {
2517   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2518   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2519   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2520   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2521   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2522   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2523   int ystep = MENU_SCREEN_INFO_YSTEP;
2524   int element, action, direction;
2525   int graphic;
2526   int delay;
2527   int sync_frame;
2528   int i, j;
2529
2530   if (init)
2531   {
2532     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2533       infoscreen_step[i] = infoscreen_frame[i] = 0;
2534
2535     ClearField();
2536     DrawHeadline();
2537
2538     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2539
2540     DrawTextSCentered(ybottom, FONT_TEXT_4,
2541                       "Press any key or button for next page");
2542
2543     FrameCounter = 0;
2544   }
2545
2546   i = j = 0;
2547   while (helpanim_info[j].element != HELPANIM_LIST_END)
2548   {
2549     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2550         i >= max_anims)
2551       break;
2552     else if (i < start)
2553     {
2554       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2555         j++;
2556
2557       j++;
2558       i++;
2559
2560       continue;
2561     }
2562
2563     j += infoscreen_step[i - start];
2564
2565     element = helpanim_info[j].element;
2566     action = helpanim_info[j].action;
2567     direction = helpanim_info[j].direction;
2568
2569     if (element < 0)
2570       element = EL_UNKNOWN;
2571
2572     if (action != -1 && direction != -1)
2573       graphic = el_act_dir2img(element, action, direction);
2574     else if (action != -1)
2575       graphic = el_act2img(element, action);
2576     else if (direction != -1)
2577       graphic = el_dir2img(element, direction);
2578     else
2579       graphic = el2img(element);
2580
2581     delay = helpanim_info[j++].delay;
2582
2583     if (delay == -1)
2584       delay = 1000000;
2585
2586     if (infoscreen_frame[i - start] == 0)
2587     {
2588       sync_frame = 0;
2589       infoscreen_frame[i - start] = delay - 1;
2590     }
2591     else
2592     {
2593       sync_frame = delay - infoscreen_frame[i - start];
2594       infoscreen_frame[i - start]--;
2595     }
2596
2597     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2598     {
2599       if (!infoscreen_frame[i - start])
2600         infoscreen_step[i - start] = 0;
2601     }
2602     else
2603     {
2604       if (!infoscreen_frame[i - start])
2605         infoscreen_step[i - start]++;
2606       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2607         j++;
2608     }
2609
2610     j++;
2611
2612     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2613                                TILEX, TILEY);
2614     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2615                                  graphic, sync_frame, USE_MASKING);
2616
2617     if (init)
2618       DrawInfoScreen_HelpText(element, action, direction, i - start);
2619
2620     i++;
2621   }
2622
2623   redraw_mask |= REDRAW_FIELD;
2624
2625   FrameCounter++;
2626 }
2627
2628 static char *getHelpText(int element, int action, int direction)
2629 {
2630   char token[MAX_LINE_LEN];
2631
2632   strcpy(token, element_info[element].token_name);
2633
2634   if (action != -1)
2635     strcat(token, element_action_info[action].suffix);
2636
2637   if (direction != -1)
2638     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2639
2640   return getHashEntry(helptext_info, token);
2641 }
2642
2643 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2644 {
2645   int font_nr = FONT_INFO_ELEMENTS;
2646   int font_width = getFontWidth(font_nr);
2647   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2648   int sy = mSY + 65 + 2 * 32 + 1;
2649   int ystep = TILEY + 4;
2650   int pad_x = sx - SX;
2651   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2652   int max_lines_per_text = 2;
2653   char *text = NULL;
2654
2655   if (action != -1 && direction != -1)          /* element.action.direction */
2656     text = getHelpText(element, action, direction);
2657
2658   if (text == NULL && action != -1)             /* element.action */
2659     text = getHelpText(element, action, -1);
2660
2661   if (text == NULL && direction != -1)          /* element.direction */
2662     text = getHelpText(element, -1, direction);
2663
2664   if (text == NULL)                             /* base element */
2665     text = getHelpText(element, -1, -1);
2666
2667   if (text == NULL)                             /* not found */
2668     text = "No description available";
2669
2670   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2671     sy += getFontHeight(font_nr) / 2;
2672
2673   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2674                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2675                  TRUE, FALSE, FALSE);
2676 }
2677
2678 void DrawInfoScreen_TitleScreen()
2679 {
2680   SetGameStatus(GAME_MODE_TITLE);
2681
2682   DrawTitleScreen();
2683 }
2684
2685 void HandleInfoScreen_TitleScreen(int button)
2686 {
2687   HandleTitleScreen(0, 0, 0, 0, button);
2688 }
2689
2690 void DrawInfoScreen_Elements()
2691 {
2692   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2693
2694   FadeOut(REDRAW_FIELD);
2695
2696   LoadHelpAnimInfo();
2697   LoadHelpTextInfo();
2698
2699   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2700
2701   FadeIn(REDRAW_FIELD);
2702 }
2703
2704 void HandleInfoScreen_Elements(int button)
2705 {
2706   static unsigned int info_delay = 0;
2707   static int num_anims;
2708   static int num_pages;
2709   static int page;
2710   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2711   int i;
2712
2713   if (button == MB_MENU_INITIALIZE)
2714   {
2715     boolean new_element = TRUE;
2716
2717     num_anims = 0;
2718
2719     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2720     {
2721       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2722         new_element = TRUE;
2723       else if (new_element)
2724       {
2725         num_anims++;
2726         new_element = FALSE;
2727       }
2728     }
2729
2730     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2731     page = 0;
2732   }
2733
2734   if (button == MB_MENU_LEAVE)
2735   {
2736     PlaySound(SND_MENU_ITEM_SELECTING);
2737
2738     info_mode = INFO_MODE_MAIN;
2739     DrawInfoScreen();
2740
2741     return;
2742   }
2743   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2744   {
2745     if (button != MB_MENU_INITIALIZE)
2746     {
2747       PlaySound(SND_MENU_ITEM_SELECTING);
2748
2749       page++;
2750     }
2751
2752     if (page >= num_pages)
2753     {
2754       FadeMenuSoundsAndMusic();
2755
2756       info_mode = INFO_MODE_MAIN;
2757       DrawInfoScreen();
2758
2759       return;
2760     }
2761
2762     if (page > 0)
2763       FadeSetNextScreen();
2764
2765     if (button != MB_MENU_INITIALIZE)
2766       FadeOut(REDRAW_FIELD);
2767
2768     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2769
2770     if (button != MB_MENU_INITIALIZE)
2771       FadeIn(REDRAW_FIELD);
2772   }
2773   else
2774   {
2775     if (DelayReached(&info_delay, GameFrameDelay))
2776       if (page < num_pages)
2777         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2778
2779     PlayMenuSoundIfLoop();
2780   }
2781 }
2782
2783 void DrawInfoScreen_Music()
2784 {
2785   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2786
2787   FadeOut(REDRAW_FIELD);
2788
2789   ClearField();
2790   DrawHeadline();
2791
2792   LoadMusicInfo();
2793
2794   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2795
2796   FadeIn(REDRAW_FIELD);
2797 }
2798
2799 void HandleInfoScreen_Music(int button)
2800 {
2801   static struct MusicFileInfo *list = NULL;
2802   int ystart1 = mSY - SY + 100;
2803   int ystart2 = mSY - SY + 150;
2804   int ybottom = mSY - SY + SYSIZE - 20;
2805   int dy = 30;
2806
2807   if (button == MB_MENU_INITIALIZE)
2808   {
2809     list = music_file_info;
2810
2811     if (list == NULL)
2812     {
2813       FadeMenuSoundsAndMusic();
2814
2815       ClearField();
2816       DrawHeadline();
2817
2818       DrawTextSCentered(ystart1, FONT_TEXT_1,
2819                         "No music info for this level set.");
2820
2821       DrawTextSCentered(ybottom, FONT_TEXT_4,
2822                         "Press any key or button for info menu");
2823
2824       return;
2825     }
2826   }
2827
2828   if (button == MB_MENU_LEAVE)
2829   {
2830     PlaySound(SND_MENU_ITEM_SELECTING);
2831
2832     FadeMenuSoundsAndMusic();
2833
2834     info_mode = INFO_MODE_MAIN;
2835     DrawInfoScreen();
2836
2837     return;
2838   }
2839   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2840   {
2841     int y = 0;
2842
2843     if (button != MB_MENU_INITIALIZE)
2844     {
2845       PlaySound(SND_MENU_ITEM_SELECTING);
2846
2847       if (list != NULL)
2848         list = list->next;
2849     }
2850
2851     if (list == NULL)
2852     {
2853       FadeMenuSoundsAndMusic();
2854
2855       info_mode = INFO_MODE_MAIN;
2856       DrawInfoScreen();
2857
2858       return;
2859     }
2860
2861     FadeMenuSoundsAndMusic();
2862
2863     if (list != music_file_info)
2864       FadeSetNextScreen();
2865
2866     if (button != MB_MENU_INITIALIZE)
2867       FadeOut(REDRAW_FIELD);
2868
2869     ClearField();
2870     DrawHeadline();
2871
2872     if (list->is_sound)
2873     {
2874       int sound = list->music;
2875
2876       if (sound_info[sound].loop)
2877         PlaySoundLoop(sound);
2878       else
2879         PlaySound(sound);
2880
2881       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2882     }
2883     else
2884     {
2885       PlayMusic(list->music);
2886
2887       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2888     }
2889
2890     if (!strEqual(list->title, UNKNOWN_NAME))
2891     {
2892       if (!strEqual(list->title_header, UNKNOWN_NAME))
2893         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2894
2895       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2896     }
2897
2898     if (!strEqual(list->artist, UNKNOWN_NAME))
2899     {
2900       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2901         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2902       else
2903         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2904
2905       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2906     }
2907
2908     if (!strEqual(list->album, UNKNOWN_NAME))
2909     {
2910       if (!strEqual(list->album_header, UNKNOWN_NAME))
2911         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2912       else
2913         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2914
2915       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2916     }
2917
2918     if (!strEqual(list->year, UNKNOWN_NAME))
2919     {
2920       if (!strEqual(list->year_header, UNKNOWN_NAME))
2921         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2922       else
2923         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2924
2925       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2926     }
2927
2928     DrawTextSCentered(ybottom, FONT_TEXT_4,
2929                       "Press any key or button for next page");
2930
2931     if (button != MB_MENU_INITIALIZE)
2932       FadeIn(REDRAW_FIELD);
2933   }
2934
2935   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2936     PlaySoundLoop(list->music);
2937 }
2938
2939 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2940 {
2941   int ystart1 = mSY - SY + 100;
2942   int ystart2 = mSY - SY + 150;
2943   int ybottom = mSY - SY + SYSIZE - 20;
2944   int ystep = 30;
2945
2946   ClearField();
2947   DrawHeadline();
2948
2949   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2950
2951   if (screen_nr == 0)
2952   {
2953     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2954                       "Special thanks to");
2955     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2956                       "Peter Liepa");
2957     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2958                       "for creating");
2959     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2960                       "\"Boulder Dash\"");
2961     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2962                       "in the year");
2963     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2964                       "1984");
2965     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2966                       "published by");
2967     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2968                       "First Star Software");
2969   }
2970   else if (screen_nr == 1)
2971   {
2972     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2973                       "Special thanks to");
2974     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2975                       "Klaus Heinz & Volker Wertich");
2976     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2977                       "for creating");
2978     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2979                       "\"Emerald Mine\"");
2980     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2981                       "in the year");
2982     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2983                       "1987");
2984     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2985                       "published by");
2986     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2987                       "Kingsoft");
2988   }
2989   else if (screen_nr == 2)
2990   {
2991     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2992                       "Special thanks to");
2993     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2994                       "Michael Stopp & Philip Jespersen");
2995     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2996                       "for creating");
2997     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2998                       "\"Supaplex\"");
2999     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3000                       "in the year");
3001     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3002                       "1991");
3003     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3004                       "published by");
3005     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3006                       "Digital Integration");
3007   }
3008   else if (screen_nr == 3)
3009   {
3010     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3011                       "Special thanks to");
3012     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3013                       "Hiroyuki Imabayashi");
3014     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3015                       "for creating");
3016     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3017                       "\"Sokoban\"");
3018     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3019                       "in the year");
3020     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3021                       "1982");
3022     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3023                       "published by");
3024     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3025                       "Thinking Rabbit");
3026   }
3027   else if (screen_nr == 4)
3028   {
3029     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3030                       "Special thanks to");
3031     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3032                       "Alan Bond");
3033     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3034                       "and");
3035     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3036                       "J\xfcrgen Bonhagen");
3037     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3038                       "for the continuous creation");
3039     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3040                       "of outstanding level sets");
3041   }
3042   else if (screen_nr == 5)
3043   {
3044     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3045                       "Thanks to");
3046     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3047                       "Peter Elzner");
3048     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3049                       "for ideas and inspiration by");
3050     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3051                       "Diamond Caves");
3052
3053     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3054                       "Thanks to");
3055     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3056                       "Steffest");
3057     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3058                       "for ideas and inspiration by");
3059     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3060                       "DX-Boulderdash");
3061   }
3062   else if (screen_nr == 6)
3063   {
3064     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3065                       "Thanks to");
3066     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3067                       "David Tritscher");
3068 #if 1
3069     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3070                       "for the code base used for the");
3071     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3072                       "native Emerald Mine engine");
3073 #else
3074     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3075                       "for the new Emerald Mine engine");
3076 #endif
3077   }
3078   else if (screen_nr == 7)
3079   {
3080     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3081                       "Thanks to");
3082     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3083                       "Guido Schulz");
3084     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3085                       "for the initial DOS port");
3086
3087     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3088                       "Thanks to");
3089     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3090                       "Karl H\xf6rnell");
3091     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3092                       "for some additional toons");
3093   }
3094   else if (screen_nr == 8)
3095   {
3096     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3097                       "And not to forget:");
3098     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3099                       "Many thanks to");
3100     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3101                       "All those who contributed");
3102     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3103                       "levels to this game");
3104     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3105                       "since 1995");
3106   }
3107
3108   DrawTextSCentered(ybottom, FONT_TEXT_4,
3109                     "Press any key or button for next page");
3110 }
3111
3112 void DrawInfoScreen_Credits()
3113 {
3114   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3115
3116   FadeMenuSoundsAndMusic();
3117
3118   FadeOut(REDRAW_FIELD);
3119
3120   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3121
3122   FadeIn(REDRAW_FIELD);
3123 }
3124
3125 void HandleInfoScreen_Credits(int button)
3126 {
3127   static int screen_nr = 0;
3128   int num_screens = 9;
3129
3130   if (button == MB_MENU_INITIALIZE)
3131   {
3132     screen_nr = 0;
3133
3134     // DrawInfoScreen_CreditsScreen(screen_nr);
3135   }
3136
3137   if (button == MB_MENU_LEAVE)
3138   {
3139     PlaySound(SND_MENU_ITEM_SELECTING);
3140
3141     info_mode = INFO_MODE_MAIN;
3142     DrawInfoScreen();
3143
3144     return;
3145   }
3146   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3147   {
3148     if (button != MB_MENU_INITIALIZE)
3149     {
3150       PlaySound(SND_MENU_ITEM_SELECTING);
3151
3152       screen_nr++;
3153     }
3154
3155     if (screen_nr >= num_screens)
3156     {
3157       FadeMenuSoundsAndMusic();
3158
3159       info_mode = INFO_MODE_MAIN;
3160       DrawInfoScreen();
3161
3162       return;
3163     }
3164
3165     if (screen_nr > 0)
3166       FadeSetNextScreen();
3167
3168     if (button != MB_MENU_INITIALIZE)
3169       FadeOut(REDRAW_FIELD);
3170
3171     DrawInfoScreen_CreditsScreen(screen_nr);
3172
3173     if (button != MB_MENU_INITIALIZE)
3174       FadeIn(REDRAW_FIELD);
3175   }
3176   else
3177   {
3178     PlayMenuSoundIfLoop();
3179   }
3180 }
3181
3182 void DrawInfoScreen_Program()
3183 {
3184   int ystart1 = mSY - SY + 100;
3185   int ystart2 = mSY - SY + 150;
3186   int ybottom = mSY - SY + SYSIZE - 20;
3187   int ystep = 30;
3188
3189   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3190
3191   FadeOut(REDRAW_FIELD);
3192
3193   ClearField();
3194   DrawHeadline();
3195
3196   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3197
3198   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3199                     "This game is Freeware!");
3200   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3201                     "If you like it, send e-mail to:");
3202   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3203                     setup.internal.program_email);
3204   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3205                     "More information and levels:");
3206   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3207                     setup.internal.program_website);
3208   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3209                     "If you have created new levels,");
3210   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3211                     "send them to me to include them!");
3212   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3213                     ":-)");
3214
3215   DrawTextSCentered(ybottom, FONT_TEXT_4,
3216                     "Press any key or button for info menu");
3217
3218   FadeIn(REDRAW_FIELD);
3219 }
3220
3221 void HandleInfoScreen_Program(int button)
3222 {
3223   if (button == MB_MENU_LEAVE)
3224   {
3225     PlaySound(SND_MENU_ITEM_SELECTING);
3226
3227     info_mode = INFO_MODE_MAIN;
3228     DrawInfoScreen();
3229
3230     return;
3231   }
3232   else if (button == MB_MENU_CHOICE)
3233   {
3234     PlaySound(SND_MENU_ITEM_SELECTING);
3235
3236     FadeMenuSoundsAndMusic();
3237
3238     info_mode = INFO_MODE_MAIN;
3239     DrawInfoScreen();
3240   }
3241   else
3242   {
3243     PlayMenuSoundIfLoop();
3244   }
3245 }
3246
3247 void DrawInfoScreen_Version()
3248 {
3249   int font_header = FONT_TEXT_3;
3250   int font_text = FONT_TEXT_2;
3251   int xstep = getFontWidth(font_text);
3252   int ystep = getFontHeight(font_text);
3253   int ystart1 = mSY - SY + 100;
3254   int ystart2 = mSY - SY + 150;
3255   int ybottom = mSY - SY + SYSIZE - 20;
3256   int xstart1 = mSX - SX + 2 * xstep;
3257   int xstart2 = mSX - SX + 18 * xstep;
3258   int xstart3 = mSX - SX + 28 * xstep;
3259   SDL_version sdl_version_compiled;
3260   const SDL_version *sdl_version_linked;
3261   int driver_name_len = 10;
3262 #if defined(TARGET_SDL2)
3263   SDL_version sdl_version_linked_ext;
3264   const char *driver_name = NULL;
3265 #else
3266   char driver_name[driver_name_len];
3267 #endif
3268
3269   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3270
3271   FadeOut(REDRAW_FIELD);
3272
3273   ClearField();
3274   DrawHeadline();
3275
3276   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3277
3278   DrawTextF(xstart1, ystart2, font_header, "Name");
3279   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3280
3281   ystart2 += ystep;
3282   DrawTextF(xstart1, ystart2, font_header, "Version");
3283   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3284
3285   ystart2 += ystep;
3286   DrawTextF(xstart1, ystart2, font_header, "Platform");
3287   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3288
3289   ystart2 += ystep;
3290   DrawTextF(xstart1, ystart2, font_header, "Target");
3291   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3292
3293   ystart2 += ystep;
3294   DrawTextF(xstart1, ystart2, font_header, "Compile time");
3295   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
3296
3297   ystart2 += 3 * ystep;
3298   DrawTextF(xstart1, ystart2, font_header, "Library");
3299   DrawTextF(xstart2, ystart2, font_header, "compiled");
3300   DrawTextF(xstart3, ystart2, font_header, "linked");
3301
3302   SDL_VERSION(&sdl_version_compiled);
3303 #if defined(TARGET_SDL2)
3304   SDL_GetVersion(&sdl_version_linked_ext);
3305   sdl_version_linked = &sdl_version_linked_ext;
3306 #else
3307   sdl_version_linked = SDL_Linked_Version();
3308 #endif
3309
3310   ystart2 += 2 * ystep;
3311   DrawTextF(xstart1, ystart2, font_text, "SDL");
3312   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3313             sdl_version_compiled.major,
3314             sdl_version_compiled.minor,
3315             sdl_version_compiled.patch);
3316   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3317             sdl_version_linked->major,
3318             sdl_version_linked->minor,
3319             sdl_version_linked->patch);
3320
3321   SDL_IMAGE_VERSION(&sdl_version_compiled);
3322   sdl_version_linked = IMG_Linked_Version();
3323
3324   ystart2 += ystep;
3325   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3326   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3327             sdl_version_compiled.major,
3328             sdl_version_compiled.minor,
3329             sdl_version_compiled.patch);
3330   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3331             sdl_version_linked->major,
3332             sdl_version_linked->minor,
3333             sdl_version_linked->patch);
3334
3335   SDL_MIXER_VERSION(&sdl_version_compiled);
3336   sdl_version_linked = Mix_Linked_Version();
3337
3338   ystart2 += ystep;
3339   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3340   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3341             sdl_version_compiled.major,
3342             sdl_version_compiled.minor,
3343             sdl_version_compiled.patch);
3344   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3345             sdl_version_linked->major,
3346             sdl_version_linked->minor,
3347             sdl_version_linked->patch);
3348
3349   SDL_NET_VERSION(&sdl_version_compiled);
3350   sdl_version_linked = SDLNet_Linked_Version();
3351
3352   ystart2 += ystep;
3353   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3354   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3355             sdl_version_compiled.major,
3356             sdl_version_compiled.minor,
3357             sdl_version_compiled.patch);
3358   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3359             sdl_version_linked->major,
3360             sdl_version_linked->minor,
3361             sdl_version_linked->patch);
3362
3363   ystart2 += 3 * ystep;
3364   DrawTextF(xstart1, ystart2, font_header, "Driver");
3365   DrawTextF(xstart2, ystart2, font_header, "Requested");
3366   DrawTextF(xstart3, ystart2, font_header, "Used");
3367
3368 #if defined(TARGET_SDL2)
3369   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3370 #else
3371   SDL_VideoDriverName(driver_name, driver_name_len);
3372 #endif
3373
3374   ystart2 += 2 * ystep;
3375   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3376   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3377   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3378
3379 #if defined(TARGET_SDL2)
3380   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3381 #else
3382   SDL_AudioDriverName(driver_name, driver_name_len);
3383 #endif
3384
3385   ystart2 += ystep;
3386   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3387   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3388   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3389
3390   DrawTextSCentered(ybottom, FONT_TEXT_4,
3391                     "Press any key or button for info menu");
3392
3393   FadeIn(REDRAW_FIELD);
3394 }
3395
3396 void HandleInfoScreen_Version(int button)
3397 {
3398   if (button == MB_MENU_LEAVE)
3399   {
3400     PlaySound(SND_MENU_ITEM_SELECTING);
3401
3402     info_mode = INFO_MODE_MAIN;
3403     DrawInfoScreen();
3404
3405     return;
3406   }
3407   else if (button == MB_MENU_CHOICE)
3408   {
3409     PlaySound(SND_MENU_ITEM_SELECTING);
3410
3411     FadeMenuSoundsAndMusic();
3412
3413     info_mode = INFO_MODE_MAIN;
3414     DrawInfoScreen();
3415   }
3416   else
3417   {
3418     PlayMenuSoundIfLoop();
3419   }
3420 }
3421
3422 void DrawInfoScreen_LevelSet()
3423 {
3424   struct TitleMessageInfo *tmi = &readme;
3425   char *filename = getLevelSetInfoFilename();
3426   char *title = "Level Set Information:";
3427   int ystart1 = mSY - SY + 100;
3428   int ybottom = mSY - SY + SYSIZE - 20;
3429
3430   if (filename == NULL)
3431   {
3432     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3433
3434     return;
3435   }
3436
3437   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3438
3439   FadeOut(REDRAW_FIELD);
3440
3441   ClearField();
3442   DrawHeadline();
3443
3444   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3445
3446   /* if x position set to "-1", automatically determine by playfield width */
3447   if (tmi->x == -1)
3448     tmi->x = SXSIZE / 2;
3449
3450   /* if y position set to "-1", use static default value */
3451   if (tmi->y == -1)
3452     tmi->y = 150;
3453
3454   /* if width set to "-1", automatically determine by playfield width */
3455   if (tmi->width == -1)
3456     tmi->width = SXSIZE - 2 * TILEX;
3457
3458   /* if height set to "-1", automatically determine by playfield height */
3459   if (tmi->height == -1)
3460     tmi->height = SYSIZE - 20 - tmi->y - 10;
3461
3462   /* if chars set to "-1", automatically determine by text and font width */
3463   if (tmi->chars == -1)
3464     tmi->chars = tmi->width / getFontWidth(tmi->font);
3465   else
3466     tmi->width = tmi->chars * getFontWidth(tmi->font);
3467
3468   /* if lines set to "-1", automatically determine by text and font height */
3469   if (tmi->lines == -1)
3470     tmi->lines = tmi->height / getFontHeight(tmi->font);
3471   else
3472     tmi->height = tmi->lines * getFontHeight(tmi->font);
3473
3474   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3475                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3476                tmi->autowrap, tmi->centered, tmi->parse_comments);
3477
3478   DrawTextSCentered(ybottom, FONT_TEXT_4,
3479                     "Press any key or button for info menu");
3480
3481   FadeIn(REDRAW_FIELD);
3482 }
3483
3484 void HandleInfoScreen_LevelSet(int button)
3485 {
3486   if (button == MB_MENU_LEAVE)
3487   {
3488     PlaySound(SND_MENU_ITEM_SELECTING);
3489
3490     info_mode = INFO_MODE_MAIN;
3491     DrawInfoScreen();
3492
3493     return;
3494   }
3495   else if (button == MB_MENU_CHOICE)
3496   {
3497     PlaySound(SND_MENU_ITEM_SELECTING);
3498
3499     FadeMenuSoundsAndMusic();
3500
3501     info_mode = INFO_MODE_MAIN;
3502     DrawInfoScreen();
3503   }
3504   else
3505   {
3506     PlayMenuSoundIfLoop();
3507   }
3508 }
3509
3510 static void DrawInfoScreen()
3511 {
3512   if (info_mode == INFO_MODE_TITLE)
3513     DrawInfoScreen_TitleScreen();
3514   else if (info_mode == INFO_MODE_ELEMENTS)
3515     DrawInfoScreen_Elements();
3516   else if (info_mode == INFO_MODE_MUSIC)
3517     DrawInfoScreen_Music();
3518   else if (info_mode == INFO_MODE_CREDITS)
3519     DrawInfoScreen_Credits();
3520   else if (info_mode == INFO_MODE_PROGRAM)
3521     DrawInfoScreen_Program();
3522   else if (info_mode == INFO_MODE_VERSION)
3523     DrawInfoScreen_Version();
3524   else if (info_mode == INFO_MODE_LEVELSET)
3525     DrawInfoScreen_LevelSet();
3526   else
3527     DrawInfoScreen_Main();
3528
3529   if (info_mode != INFO_MODE_MAIN &&
3530       info_mode != INFO_MODE_TITLE &&
3531       info_mode != INFO_MODE_MUSIC)
3532     PlayMenuSoundsAndMusic();
3533 }
3534
3535 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3536 {
3537   if (info_mode == INFO_MODE_TITLE)
3538     HandleInfoScreen_TitleScreen(button);
3539   else if (info_mode == INFO_MODE_ELEMENTS)
3540     HandleInfoScreen_Elements(button);
3541   else if (info_mode == INFO_MODE_MUSIC)
3542     HandleInfoScreen_Music(button);
3543   else if (info_mode == INFO_MODE_CREDITS)
3544     HandleInfoScreen_Credits(button);
3545   else if (info_mode == INFO_MODE_PROGRAM)
3546     HandleInfoScreen_Program(button);
3547   else if (info_mode == INFO_MODE_VERSION)
3548     HandleInfoScreen_Version(button);
3549   else if (info_mode == INFO_MODE_LEVELSET)
3550     HandleInfoScreen_LevelSet(button);
3551   else
3552     HandleInfoScreen_Main(mx, my, dx, dy, button);
3553 }
3554
3555
3556 /* ========================================================================= */
3557 /* type name functions                                                       */
3558 /* ========================================================================= */
3559
3560 void HandleTypeName(int newxpos, Key key)
3561 {
3562   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3563   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3564   struct TextPosInfo *pos = mci->pos_input;
3565   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3566   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3567   static int xpos = 0;
3568   int font_nr = pos->font;
3569   int font_active_nr = FONT_ACTIVE(font_nr);
3570   int font_width = getFontWidth(font_active_nr);
3571   char key_char = getValidConfigValueChar(getCharFromKey(key));
3572   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3573   boolean is_active = TRUE;
3574
3575   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3576
3577   if (newxpos)
3578   {
3579     strcpy(last_player_name, setup.player_name);
3580
3581     xpos = newxpos;
3582
3583     StartTextInput(startx, starty, pos->width, pos->height);
3584   }
3585   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3586   {
3587     setup.player_name[xpos] = key_char;
3588     setup.player_name[xpos + 1] = 0;
3589
3590     xpos++;
3591   }
3592   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3593   {
3594     xpos--;
3595
3596     setup.player_name[xpos] = 0;
3597   }
3598   else if (key == KSYM_Return && xpos > 0)
3599   {
3600     SaveSetup();
3601
3602     is_active = FALSE;
3603
3604     SetGameStatus(GAME_MODE_MAIN);
3605   }
3606   else if (key == KSYM_Escape)
3607   {
3608     strcpy(setup.player_name, last_player_name);
3609
3610     is_active = FALSE;
3611
3612     SetGameStatus(GAME_MODE_MAIN);
3613   }
3614
3615   if (is_active)
3616   {
3617     pos->width = (strlen(setup.player_name) + 1) * font_width;
3618     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3619
3620     DrawText(startx, starty, setup.player_name, font_active_nr);
3621     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3622   }
3623   else
3624   {
3625     pos->width = strlen(setup.player_name) * font_width;
3626     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3627
3628     DrawText(startx, starty, setup.player_name, font_nr);
3629
3630     StopTextInput();
3631   }
3632 }
3633
3634
3635 /* ========================================================================= */
3636 /* tree menu functions                                                       */
3637 /* ========================================================================= */
3638
3639 static void DrawChooseTree(TreeInfo **ti_ptr)
3640 {
3641   int fade_mask = REDRAW_FIELD;
3642
3643   if (CheckIfGlobalBorderHasChanged())
3644     fade_mask = REDRAW_ALL;
3645
3646   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3647   {
3648     SetGameStatus(GAME_MODE_MAIN);
3649
3650     DrawMainMenu();
3651
3652     return;
3653   }
3654
3655   UnmapAllGadgets();
3656
3657   FreeScreenGadgets();
3658   CreateScreenGadgets();
3659
3660   FadeOut(fade_mask);
3661
3662   /* needed if different viewport properties defined for choosing level (set) */
3663   ChangeViewportPropertiesIfNeeded();
3664
3665   if (game_status == GAME_MODE_LEVELNR)
3666     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
3667   else if (game_status == GAME_MODE_LEVELS)
3668     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
3669
3670   ClearField();
3671
3672   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3673
3674   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3675   MapScreenTreeGadgets(*ti_ptr);
3676
3677   DrawMaskedBorder(fade_mask);
3678
3679   FadeIn(fade_mask);
3680 }
3681
3682 static void drawChooseTreeList(int first_entry, int num_page_entries,
3683                                TreeInfo *ti)
3684 {
3685   int i;
3686   char *title_string = NULL;
3687   int yoffset_sets = MENU_TITLE1_YPOS;
3688   int yoffset_setup = 16;
3689   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3690                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3691
3692   title_string = ti->infotext;
3693
3694   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3695
3696   clearMenuListArea();
3697
3698   for (i = 0; i < num_page_entries; i++)
3699   {
3700     TreeInfo *node, *node_first;
3701     int entry_pos = first_entry + i;
3702     int xpos = MENU_SCREEN_START_XPOS;
3703     int ypos = MENU_SCREEN_START_YPOS + i;
3704     int startx = mSX + xpos * 32;
3705     int starty = mSY + ypos * 32;
3706     int font_nr = FONT_TEXT_1;
3707     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3708     int startx_text = startx + font_xoffset;
3709     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3710     int text_size = startx_scrollbar - startx_text;
3711     int max_buffer_len = text_size / getFontWidth(font_nr);
3712     char buffer[max_buffer_len + 1];
3713
3714     node_first = getTreeInfoFirstGroupEntry(ti);
3715     node = getTreeInfoFromPos(node_first, entry_pos);
3716
3717     strncpy(buffer, node->name, max_buffer_len);
3718     buffer[max_buffer_len] = '\0';
3719
3720     DrawText(startx, starty, buffer, font_nr + node->color);
3721
3722     if (node->parent_link)
3723       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3724     else if (node->level_group)
3725       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3726     else
3727       initCursor(i, IMG_MENU_BUTTON);
3728   }
3729
3730   redraw_mask |= REDRAW_FIELD;
3731 }
3732
3733 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3734 {
3735   TreeInfo *node, *node_first;
3736   int x, last_redraw_mask = redraw_mask;
3737   int ypos = MENU_TITLE2_YPOS;
3738   int font_nr = FONT_TITLE_2;
3739
3740   if (ti->type == TREE_TYPE_LEVEL_NR)
3741     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3742
3743   if (ti->type != TREE_TYPE_LEVEL_DIR)
3744     return;
3745
3746   node_first = getTreeInfoFirstGroupEntry(ti);
3747   node = getTreeInfoFromPos(node_first, entry_pos);
3748
3749   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3750
3751   if (node->parent_link)
3752     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3753                       node->node_parent->name);
3754   else if (node->level_group)
3755     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3756                       node->name);
3757   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3758     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3759                       node->levels, (node->levels > 1 ? "levels" : "level"),
3760                       node->class_desc);
3761
3762   /* let BackToFront() redraw only what is needed */
3763   redraw_mask = last_redraw_mask;
3764   for (x = 0; x < SCR_FIELDX; x++)
3765     MarkTileDirty(x, 1);
3766 }
3767
3768 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3769                              TreeInfo **ti_ptr)
3770 {
3771   TreeInfo *ti = *ti_ptr;
3772   int x = 0;
3773   int y = ti->cl_cursor;
3774   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3775   int num_entries = numTreeInfoInGroup(ti);
3776   int num_page_entries;
3777   boolean position_set_by_scrollbar = (dx == 999);
3778
3779   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3780     num_page_entries = num_entries;
3781   else
3782     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3783
3784   if (button == MB_MENU_INITIALIZE)
3785   {
3786     int num_entries = numTreeInfoInGroup(ti);
3787     int entry_pos = posTreeInfo(ti);
3788
3789     if (ti->cl_first == -1)
3790     {
3791       /* only on initialization */
3792       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3793       ti->cl_cursor = entry_pos - ti->cl_first;
3794     }
3795     else if (ti->cl_cursor >= num_page_entries ||
3796              (num_entries > num_page_entries &&
3797               num_entries - ti->cl_first < num_page_entries))
3798     {
3799       /* only after change of list size (by custom graphic configuration) */
3800       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3801       ti->cl_cursor = entry_pos - ti->cl_first;
3802     }
3803
3804     if (position_set_by_scrollbar)
3805       ti->cl_first = dy;
3806     else
3807       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3808                                 ti->cl_first, ti);
3809
3810     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3811     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3812     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3813
3814     return;
3815   }
3816   else if (button == MB_MENU_LEAVE)
3817   {
3818     FadeSetLeaveMenu();
3819
3820     PlaySound(SND_MENU_ITEM_SELECTING);
3821
3822     if (ti->node_parent)
3823     {
3824       *ti_ptr = ti->node_parent;
3825       DrawChooseTree(ti_ptr);
3826     }
3827     else if (game_status == GAME_MODE_SETUP)
3828     {
3829       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3830           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3831           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3832         execSetupGame();
3833       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3834                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
3835                setup_mode == SETUP_MODE_CHOOSE_RENDERING)
3836         execSetupGraphics();
3837       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3838                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3839                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3840         execSetupSound();
3841       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3842                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3843                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3844         execSetupTouch();
3845       else
3846         execSetupArtwork();
3847     }
3848     else
3849     {
3850       if (game_status == GAME_MODE_LEVELNR)
3851       {
3852         int new_level_nr = atoi(level_number_current->identifier);
3853
3854         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3855       }
3856
3857       SetGameStatus(GAME_MODE_MAIN);
3858
3859       DrawMainMenu();
3860     }
3861
3862     return;
3863   }
3864
3865   if (mx || my)         /* mouse input */
3866   {
3867     x = (mx - mSX) / 32;
3868     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3869   }
3870   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3871   {
3872     /* move cursor instead of scrolling when already at start/end of list */
3873     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3874       dy = -1;
3875     else if (dy == +1 * SCROLL_LINE &&
3876              ti->cl_first + num_page_entries == num_entries)
3877       dy = 1;
3878
3879     /* handle scrolling screen one line or page */
3880     if (ti->cl_cursor + dy < 0 ||
3881         ti->cl_cursor + dy > num_page_entries - 1)
3882     {
3883       boolean redraw = FALSE;
3884
3885       if (ABS(dy) == SCROLL_PAGE)
3886         step = num_page_entries - 1;
3887
3888       if (dy < 0 && ti->cl_first > 0)
3889       {
3890         /* scroll page/line up */
3891
3892         ti->cl_first -= step;
3893         if (ti->cl_first < 0)
3894           ti->cl_first = 0;
3895
3896         redraw = TRUE;
3897       }
3898       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3899       {
3900         /* scroll page/line down */
3901
3902         ti->cl_first += step;
3903         if (ti->cl_first + num_page_entries > num_entries)
3904           ti->cl_first = MAX(0, num_entries - num_page_entries);
3905
3906         redraw = TRUE;
3907       }
3908
3909       if (redraw)
3910       {
3911         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3912         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3913         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3914
3915         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3916                                   ti->cl_first, ti);
3917       }
3918
3919       return;
3920     }
3921
3922     /* handle moving cursor one line */
3923     y = ti->cl_cursor + dy;
3924   }
3925
3926   if (dx == 1)
3927   {
3928     TreeInfo *node_first, *node_cursor;
3929     int entry_pos = ti->cl_first + y;
3930
3931     node_first = getTreeInfoFirstGroupEntry(ti);
3932     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3933
3934     if (node_cursor->node_group)
3935     {
3936       FadeSetEnterMenu();
3937
3938       PlaySound(SND_MENU_ITEM_SELECTING);
3939
3940       node_cursor->cl_first = ti->cl_first;
3941       node_cursor->cl_cursor = ti->cl_cursor;
3942       *ti_ptr = node_cursor->node_group;
3943       DrawChooseTree(ti_ptr);
3944
3945       return;
3946     }
3947   }
3948   else if (dx == -1 && ti->node_parent)
3949   {
3950     FadeSetLeaveMenu();
3951
3952     PlaySound(SND_MENU_ITEM_SELECTING);
3953
3954     *ti_ptr = ti->node_parent;
3955     DrawChooseTree(ti_ptr);
3956
3957     return;
3958   }
3959
3960   if (!anyScrollbarGadgetActive() &&
3961       IN_VIS_MENU(x, y) &&
3962       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3963       y >= 0 && y < num_page_entries)
3964   {
3965     if (button)
3966     {
3967       if (y != ti->cl_cursor)
3968       {
3969         PlaySound(SND_MENU_ITEM_ACTIVATING);
3970
3971         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3972         drawChooseTreeCursor(y, TRUE);
3973         drawChooseTreeInfo(ti->cl_first + y, ti);
3974
3975         ti->cl_cursor = y;
3976       }
3977     }
3978     else
3979     {
3980       TreeInfo *node_first, *node_cursor;
3981       int entry_pos = ti->cl_first + y;
3982
3983       PlaySound(SND_MENU_ITEM_SELECTING);
3984
3985       node_first = getTreeInfoFirstGroupEntry(ti);
3986       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3987
3988       if (node_cursor->node_group)
3989       {
3990         FadeSetEnterMenu();
3991
3992         node_cursor->cl_first = ti->cl_first;
3993         node_cursor->cl_cursor = ti->cl_cursor;
3994         *ti_ptr = node_cursor->node_group;
3995         DrawChooseTree(ti_ptr);
3996       }
3997       else if (node_cursor->parent_link)
3998       {
3999         FadeSetLeaveMenu();
4000
4001         *ti_ptr = node_cursor->node_parent;
4002         DrawChooseTree(ti_ptr);
4003       }
4004       else
4005       {
4006         FadeSetEnterMenu();
4007
4008         node_cursor->cl_first = ti->cl_first;
4009         node_cursor->cl_cursor = ti->cl_cursor;
4010         *ti_ptr = node_cursor;
4011
4012         if (ti->type == TREE_TYPE_LEVEL_DIR)
4013         {
4014           LoadLevelSetup_SeriesInfo();
4015
4016           SaveLevelSetup_LastSeries();
4017           SaveLevelSetup_SeriesInfo();
4018           TapeErase();
4019         }
4020
4021         if (game_status == GAME_MODE_SETUP)
4022         {
4023           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4024               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4025               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4026             execSetupGame();
4027           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4028                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4029                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4030             execSetupGraphics();
4031           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4032                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4033                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4034             execSetupSound();
4035           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4036                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4037                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4038             execSetupTouch();
4039           else
4040             execSetupArtwork();
4041         }
4042         else
4043         {
4044           if (game_status == GAME_MODE_LEVELNR)
4045           {
4046             int new_level_nr = atoi(level_number_current->identifier);
4047
4048             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4049           }
4050
4051           SetGameStatus(GAME_MODE_MAIN);
4052
4053           DrawMainMenu();
4054         }
4055       }
4056     }
4057   }
4058 }
4059
4060 void DrawChooseLevelSet()
4061 {
4062   FadeMenuSoundsAndMusic();
4063
4064   DrawChooseTree(&leveldir_current);
4065
4066   PlayMenuSoundsAndMusic();
4067 }
4068
4069 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4070 {
4071   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4072 }
4073
4074 void DrawChooseLevelNr()
4075 {
4076   int i;
4077
4078   FadeMenuSoundsAndMusic();
4079
4080   if (level_number != NULL)
4081   {
4082     freeTreeInfo(level_number);
4083
4084     level_number = NULL;
4085   }
4086
4087   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4088   {
4089     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4090     char identifier[32], name[32];
4091     int value = i;
4092
4093     /* temporarily load level info to get level name */
4094     LoadLevelInfoOnly(i);
4095
4096     ti->node_top = &level_number;
4097     ti->sort_priority = 10000 + value;
4098     ti->color = (level.no_valid_file ? FC_BLUE :
4099                  LevelStats_getSolved(i) ? FC_GREEN :
4100                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4101
4102     sprintf(identifier, "%d", value);
4103     sprintf(name, "%03d: %s", value,
4104             (level.no_valid_file ? "(no file)" : level.name));
4105
4106     setString(&ti->identifier, identifier);
4107     setString(&ti->name, name);
4108     setString(&ti->name_sorting, name);
4109
4110     pushTreeInfo(&level_number, ti);
4111   }
4112
4113   /* sort level number values to start with lowest level number */
4114   sortTreeInfo(&level_number);
4115
4116   /* set current level number to current level number */
4117   level_number_current =
4118     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4119
4120   /* if that also fails, set current level number to first available level */
4121   if (level_number_current == NULL)
4122     level_number_current = level_number;
4123
4124   DrawChooseTree(&level_number_current);
4125
4126   PlayMenuSoundsAndMusic();
4127 }
4128
4129 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4130 {
4131   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4132 }
4133
4134 void DrawHallOfFame(int highlight_position)
4135 {
4136   int fade_mask = REDRAW_FIELD;
4137
4138   if (CheckIfGlobalBorderHasChanged())
4139     fade_mask = REDRAW_ALL;
4140
4141   UnmapAllGadgets();
4142   FadeMenuSoundsAndMusic();
4143
4144   /* (this is needed when called from GameEnd() after winning a game) */
4145   KeyboardAutoRepeatOn();
4146   ActivateJoystick();
4147
4148   /* (this is needed when called from GameEnd() after winning a game) */
4149   SetDrawDeactivationMask(REDRAW_NONE);
4150   SetDrawBackgroundMask(REDRAW_FIELD);
4151
4152   if (highlight_position < 0)
4153     LoadScore(level_nr);
4154
4155   FadeSetEnterScreen();
4156
4157   FadeOut(fade_mask);
4158
4159   /* needed if different viewport properties defined for scores */
4160   ChangeViewportPropertiesIfNeeded();
4161
4162   PlayMenuSoundsAndMusic();
4163
4164   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4165
4166   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4167
4168   DrawMaskedBorder(fade_mask);
4169
4170   FadeIn(fade_mask);
4171 }
4172
4173 static void drawHallOfFameList(int first_entry, int highlight_position)
4174 {
4175   int i, j;
4176
4177   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4178   ClearField();
4179
4180   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4181   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4182                     "HighScores of Level %d", level_nr);
4183
4184   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4185   {
4186     int entry = first_entry + i;
4187     boolean active = (entry == highlight_position);
4188     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4189     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4190     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4191     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4192     int dxoff = getFontDrawOffsetX(font_nr1);
4193     int dx1 = 3 * getFontWidth(font_nr1);
4194     int dx2 = dx1 + getFontWidth(font_nr1);
4195     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4196     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4197     int sy = mSY + 64 + i * 32;
4198
4199     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4200     DrawText(mSX + dx1, sy, ".", font_nr1);
4201
4202     for (j = 0; j < num_dots; j++)
4203       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4204
4205     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4206       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4207
4208     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4209   }
4210
4211   redraw_mask |= REDRAW_FIELD;
4212 }
4213
4214 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4215 {
4216   static int first_entry = 0;
4217   static int highlight_position = 0;
4218   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4219
4220   if (button == MB_MENU_INITIALIZE)
4221   {
4222     first_entry = 0;
4223     highlight_position = mx;
4224     drawHallOfFameList(first_entry, highlight_position);
4225
4226     return;
4227   }
4228
4229   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4230     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4231
4232   if (dy < 0)
4233   {
4234     if (first_entry > 0)
4235     {
4236       first_entry -= step;
4237       if (first_entry < 0)
4238         first_entry = 0;
4239
4240       drawHallOfFameList(first_entry, highlight_position);
4241     }
4242   }
4243   else if (dy > 0)
4244   {
4245     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4246     {
4247       first_entry += step;
4248       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4249         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4250
4251       drawHallOfFameList(first_entry, highlight_position);
4252     }
4253   }
4254   else if (button == MB_MENU_LEAVE)
4255   {
4256     PlaySound(SND_MENU_ITEM_SELECTING);
4257
4258     FadeSound(SND_BACKGROUND_SCORES);
4259
4260     SetGameStatus(GAME_MODE_MAIN);
4261
4262     DrawMainMenu();
4263   }
4264   else if (button == MB_MENU_CHOICE)
4265   {
4266     PlaySound(SND_MENU_ITEM_SELECTING);
4267
4268     FadeSound(SND_BACKGROUND_SCORES);
4269
4270     SetGameStatus(GAME_MODE_MAIN);
4271
4272     DrawMainMenu();
4273   }
4274
4275   if (game_status == GAME_MODE_SCORES)
4276     PlayMenuSoundIfLoop();
4277 }
4278
4279
4280 /* ========================================================================= */
4281 /* setup screen functions                                                    */
4282 /* ========================================================================= */
4283
4284 static struct TokenInfo *setup_info;
4285 static int num_setup_info;      /* number of setup entries shown on screen */
4286 static int max_setup_info;      /* total number of setup entries in list */
4287
4288 static char *window_size_text;
4289 static char *scaling_type_text;
4290 static char *rendering_mode_text;
4291 static char *scroll_delay_text;
4292 static char *snapshot_mode_text;
4293 static char *game_speed_text;
4294 static char *graphics_set_name;
4295 static char *sounds_set_name;
4296 static char *music_set_name;
4297 static char *volume_simple_text;
4298 static char *volume_loops_text;
4299 static char *volume_music_text;
4300 static char *touch_controls_text;
4301 static char *move_distance_text;
4302 static char *drop_distance_text;
4303
4304 static void execSetupMain()
4305 {
4306   setup_mode = SETUP_MODE_MAIN;
4307
4308   DrawSetupScreen();
4309 }
4310
4311 static void execSetupGame_setGameSpeeds()
4312 {
4313   if (game_speeds == NULL)
4314   {
4315     int i;
4316
4317     for (i = 0; game_speeds_list[i].value != -1; i++)
4318     {
4319       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4320       char identifier[32], name[32];
4321       int value = game_speeds_list[i].value;
4322       char *text = game_speeds_list[i].text;
4323
4324       ti->node_top = &game_speeds;
4325       ti->sort_priority = 10000 - value;
4326
4327       sprintf(identifier, "%d", value);
4328       sprintf(name, "%s", text);
4329
4330       setString(&ti->identifier, identifier);
4331       setString(&ti->name, name);
4332       setString(&ti->name_sorting, name);
4333       setString(&ti->infotext, "Game Speed");
4334
4335       pushTreeInfo(&game_speeds, ti);
4336     }
4337
4338     /* sort game speed values to start with slowest game speed */
4339     sortTreeInfo(&game_speeds);
4340
4341     /* set current game speed to configured game speed value */
4342     game_speed_current =
4343       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4344
4345     /* if that fails, set current game speed to reliable default value */
4346     if (game_speed_current == NULL)
4347       game_speed_current =
4348         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4349
4350     /* if that also fails, set current game speed to first available speed */
4351     if (game_speed_current == NULL)
4352       game_speed_current = game_speeds;
4353   }
4354
4355   setup.game_frame_delay = atoi(game_speed_current->identifier);
4356
4357   /* needed for displaying game speed text instead of identifier */
4358   game_speed_text = game_speed_current->name;
4359 }
4360
4361 static void execSetupGame_setScrollDelays()
4362 {
4363   if (scroll_delays == NULL)
4364   {
4365     int i;
4366
4367     for (i = 0; scroll_delays_list[i].value != -1; i++)
4368     {
4369       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4370       char identifier[32], name[32];
4371       int value = scroll_delays_list[i].value;
4372       char *text = scroll_delays_list[i].text;
4373
4374       ti->node_top = &scroll_delays;
4375       ti->sort_priority = value;
4376
4377       sprintf(identifier, "%d", value);
4378       sprintf(name, "%s", text);
4379
4380       setString(&ti->identifier, identifier);
4381       setString(&ti->name, name);
4382       setString(&ti->name_sorting, name);
4383       setString(&ti->infotext, "Scroll Delay");
4384
4385       pushTreeInfo(&scroll_delays, ti);
4386     }
4387
4388     /* sort scroll delay values to start with lowest scroll delay value */
4389     sortTreeInfo(&scroll_delays);
4390
4391     /* set current scroll delay value to configured scroll delay value */
4392     scroll_delay_current =
4393       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4394
4395     /* if that fails, set current scroll delay to reliable default value */
4396     if (scroll_delay_current == NULL)
4397       scroll_delay_current =
4398         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4399
4400     /* if that also fails, set current scroll delay to first available value */
4401     if (scroll_delay_current == NULL)
4402       scroll_delay_current = scroll_delays;
4403   }
4404
4405   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4406
4407   /* needed for displaying scroll delay text instead of identifier */
4408   scroll_delay_text = scroll_delay_current->name;
4409 }
4410
4411 static void execSetupGame_setSnapshotModes()
4412 {
4413   if (snapshot_modes == NULL)
4414   {
4415     int i;
4416
4417     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4418     {
4419       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4420       char identifier[32], name[32];
4421       char *value = snapshot_modes_list[i].value;
4422       char *text = snapshot_modes_list[i].text;
4423
4424       ti->node_top = &snapshot_modes;
4425       ti->sort_priority = i;
4426
4427       sprintf(identifier, "%s", value);
4428       sprintf(name, "%s", text);
4429
4430       setString(&ti->identifier, identifier);
4431       setString(&ti->name, name);
4432       setString(&ti->name_sorting, name);
4433       setString(&ti->infotext, "Snapshot Mode");
4434
4435       pushTreeInfo(&snapshot_modes, ti);
4436     }
4437
4438     /* sort snapshot mode values to start with lowest snapshot mode value */
4439     sortTreeInfo(&snapshot_modes);
4440
4441     /* set current snapshot mode value to configured snapshot mode value */
4442     snapshot_mode_current =
4443       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4444
4445     /* if that fails, set current snapshot mode to reliable default value */
4446     if (snapshot_mode_current == NULL)
4447       snapshot_mode_current =
4448         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4449
4450     /* if that also fails, set current snapshot mode to first available value */
4451     if (snapshot_mode_current == NULL)
4452       snapshot_mode_current = snapshot_modes;
4453   }
4454
4455   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4456
4457   /* needed for displaying snapshot mode text instead of identifier */
4458   snapshot_mode_text = snapshot_mode_current->name;
4459 }
4460
4461 static void execSetupGame()
4462 {
4463   execSetupGame_setGameSpeeds();
4464   execSetupGame_setScrollDelays();
4465   execSetupGame_setSnapshotModes();
4466
4467   setup_mode = SETUP_MODE_GAME;
4468
4469   DrawSetupScreen();
4470 }
4471
4472 static void execSetupChooseGameSpeed()
4473 {
4474   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4475
4476   DrawSetupScreen();
4477 }
4478
4479 static void execSetupChooseScrollDelay()
4480 {
4481   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4482
4483   DrawSetupScreen();
4484 }
4485
4486 static void execSetupChooseSnapshotMode()
4487 {
4488   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4489
4490   DrawSetupScreen();
4491 }
4492
4493 static void execSetupEditor()
4494 {
4495   setup_mode = SETUP_MODE_EDITOR;
4496
4497   DrawSetupScreen();
4498 }
4499
4500 static void execSetupGraphics_setWindowSizes(boolean update_list)
4501 {
4502   if (window_sizes != NULL && update_list)
4503   {
4504     freeTreeInfo(window_sizes);
4505
4506     window_sizes = NULL;
4507   }
4508
4509   if (window_sizes == NULL)
4510   {
4511     boolean current_window_size_found = FALSE;
4512     int i;
4513
4514     for (i = 0; window_sizes_list[i].value != -1; i++)
4515     {
4516       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4517       char identifier[32], name[32];
4518       int value = window_sizes_list[i].value;
4519       char *text = window_sizes_list[i].text;
4520
4521       ti->node_top = &window_sizes;
4522       ti->sort_priority = value;
4523
4524       sprintf(identifier, "%d", value);
4525       sprintf(name, "%s", text);
4526
4527       setString(&ti->identifier, identifier);
4528       setString(&ti->name, name);
4529       setString(&ti->name_sorting, name);
4530       setString(&ti->infotext, "Window Scaling");
4531
4532       pushTreeInfo(&window_sizes, ti);
4533
4534       if (value == setup.window_scaling_percent)
4535         current_window_size_found = TRUE;
4536     }
4537
4538     if (!current_window_size_found)
4539     {
4540       // add entry for non-preset window scaling value
4541
4542       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4543       char identifier[32], name[32];
4544       int value = setup.window_scaling_percent;
4545
4546       ti->node_top = &window_sizes;
4547       ti->sort_priority = value;
4548
4549       sprintf(identifier, "%d", value);
4550       sprintf(name, "%d %% (Current)", value);
4551
4552       setString(&ti->identifier, identifier);
4553       setString(&ti->name, name);
4554       setString(&ti->name_sorting, name);
4555       setString(&ti->infotext, "Window Scaling");
4556
4557       pushTreeInfo(&window_sizes, ti);
4558     }
4559
4560     /* sort window size values to start with lowest window size value */
4561     sortTreeInfo(&window_sizes);
4562
4563     /* set current window size value to configured window size value */
4564     window_size_current =
4565       getTreeInfoFromIdentifier(window_sizes,
4566                                 i_to_a(setup.window_scaling_percent));
4567
4568     /* if that fails, set current window size to reliable default value */
4569     if (window_size_current == NULL)
4570       window_size_current =
4571         getTreeInfoFromIdentifier(window_sizes,
4572                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4573
4574     /* if that also fails, set current window size to first available value */
4575     if (window_size_current == NULL)
4576       window_size_current = window_sizes;
4577   }
4578
4579   setup.window_scaling_percent = atoi(window_size_current->identifier);
4580
4581   /* needed for displaying window size text instead of identifier */
4582   window_size_text = window_size_current->name;
4583 }
4584
4585 static void execSetupGraphics_setScalingTypes()
4586 {
4587   if (scaling_types == NULL)
4588   {
4589     int i;
4590
4591     for (i = 0; scaling_types_list[i].value != NULL; i++)
4592     {
4593       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4594       char identifier[32], name[32];
4595       char *value = scaling_types_list[i].value;
4596       char *text = scaling_types_list[i].text;
4597
4598       ti->node_top = &scaling_types;
4599       ti->sort_priority = i;
4600
4601       sprintf(identifier, "%s", value);
4602       sprintf(name, "%s", text);
4603
4604       setString(&ti->identifier, identifier);
4605       setString(&ti->name, name);
4606       setString(&ti->name_sorting, name);
4607       setString(&ti->infotext, "Anti-Aliasing");
4608
4609       pushTreeInfo(&scaling_types, ti);
4610     }
4611
4612     /* sort scaling type values to start with lowest scaling type value */
4613     sortTreeInfo(&scaling_types);
4614
4615     /* set current scaling type value to configured scaling type value */
4616     scaling_type_current =
4617       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4618
4619     /* if that fails, set current scaling type to reliable default value */
4620     if (scaling_type_current == NULL)
4621       scaling_type_current =
4622         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4623
4624     /* if that also fails, set current scaling type to first available value */
4625     if (scaling_type_current == NULL)
4626       scaling_type_current = scaling_types;
4627   }
4628
4629   setup.window_scaling_quality = scaling_type_current->identifier;
4630
4631   /* needed for displaying scaling type text instead of identifier */
4632   scaling_type_text = scaling_type_current->name;
4633 }
4634
4635 static void execSetupGraphics_setRenderingModes()
4636 {
4637   if (rendering_modes == NULL)
4638   {
4639     int i;
4640
4641     for (i = 0; rendering_modes_list[i].value != NULL; i++)
4642     {
4643       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4644       char identifier[32], name[32];
4645       char *value = rendering_modes_list[i].value;
4646       char *text = rendering_modes_list[i].text;
4647
4648       ti->node_top = &rendering_modes;
4649       ti->sort_priority = i;
4650
4651       sprintf(identifier, "%s", value);
4652       sprintf(name, "%s", text);
4653
4654       setString(&ti->identifier, identifier);
4655       setString(&ti->name, name);
4656       setString(&ti->name_sorting, name);
4657       setString(&ti->infotext, "Special Rendering");
4658
4659       pushTreeInfo(&rendering_modes, ti);
4660     }
4661
4662     /* sort rendering mode values to start with lowest rendering mode value */
4663     sortTreeInfo(&rendering_modes);
4664
4665     /* set current rendering mode value to configured rendering mode value */
4666     rendering_mode_current =
4667       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
4668
4669     /* if that fails, set current rendering mode to reliable default value */
4670     if (rendering_mode_current == NULL)
4671       rendering_mode_current =
4672         getTreeInfoFromIdentifier(rendering_modes,
4673                                   STR_SPECIAL_RENDERING_DEFAULT);
4674
4675     /* if that also fails, set current rendering mode to first available one */
4676     if (rendering_mode_current == NULL)
4677       rendering_mode_current = rendering_modes;
4678   }
4679
4680   setup.screen_rendering_mode = rendering_mode_current->identifier;
4681
4682   /* needed for displaying rendering mode text instead of identifier */
4683   rendering_mode_text = rendering_mode_current->name;
4684 }
4685
4686 static void execSetupGraphics()
4687 {
4688   // update "setup.window_scaling_percent" from list selection
4689   // (in this case, window scaling was changed on setup screen)
4690   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4691     execSetupGraphics_setWindowSizes(FALSE);
4692
4693   // update list selection from "setup.window_scaling_percent"
4694   // (window scaling may have changed by resizing the window)
4695   execSetupGraphics_setWindowSizes(TRUE);
4696
4697   execSetupGraphics_setScalingTypes();
4698   execSetupGraphics_setRenderingModes();
4699
4700   setup_mode = SETUP_MODE_GRAPHICS;
4701
4702   DrawSetupScreen();
4703
4704 #if defined(TARGET_SDL2)
4705   // window scaling may have changed at this point
4706   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4707
4708   // window scaling quality may have changed at this point
4709   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4710     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4711
4712   // screen rendering mode may have changed at this point
4713   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
4714 #endif
4715 }
4716
4717 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
4718 static void execSetupChooseWindowSize()
4719 {
4720   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4721
4722   DrawSetupScreen();
4723 }
4724
4725 static void execSetupChooseScalingType()
4726 {
4727   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4728
4729   DrawSetupScreen();
4730 }
4731
4732 static void execSetupChooseRenderingMode()
4733 {
4734   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
4735
4736   DrawSetupScreen();
4737 }
4738 #endif
4739
4740 static void execSetupChooseVolumeSimple()
4741 {
4742   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4743
4744   DrawSetupScreen();
4745 }
4746
4747 static void execSetupChooseVolumeLoops()
4748 {
4749   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4750
4751   DrawSetupScreen();
4752 }
4753
4754 static void execSetupChooseVolumeMusic()
4755 {
4756   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4757
4758   DrawSetupScreen();
4759 }
4760
4761 static void execSetupSound()
4762 {
4763   if (volumes_simple == NULL)
4764   {
4765     boolean current_volume_simple_found = FALSE;
4766     int i;
4767
4768     for (i = 0; volumes_list[i].value != -1; i++)
4769     {
4770       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4771       char identifier[32], name[32];
4772       int value = volumes_list[i].value;
4773       char *text = volumes_list[i].text;
4774
4775       ti->node_top = &volumes_simple;
4776       ti->sort_priority = value;
4777
4778       sprintf(identifier, "%d", value);
4779       sprintf(name, "%s", text);
4780
4781       setString(&ti->identifier, identifier);
4782       setString(&ti->name, name);
4783       setString(&ti->name_sorting, name);
4784       setString(&ti->infotext, "Sound Volume");
4785
4786       pushTreeInfo(&volumes_simple, ti);
4787
4788       if (value == setup.volume_simple)
4789         current_volume_simple_found = TRUE;
4790     }
4791
4792     if (!current_volume_simple_found)
4793     {
4794       // add entry for non-preset volume value
4795
4796       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4797       char identifier[32], name[32];
4798       int value = setup.volume_simple;
4799
4800       ti->node_top = &volumes_simple;
4801       ti->sort_priority = value;
4802
4803       sprintf(identifier, "%d", value);
4804       sprintf(name, "%d %% (Current)", value);
4805
4806       setString(&ti->identifier, identifier);
4807       setString(&ti->name, name);
4808       setString(&ti->name_sorting, name);
4809       setString(&ti->infotext, "Sound Volume");
4810
4811       pushTreeInfo(&volumes_simple, ti);
4812     }
4813
4814     /* sort volume values to start with lowest volume value */
4815     sortTreeInfo(&volumes_simple);
4816
4817     /* set current volume value to configured volume value */
4818     volume_simple_current =
4819       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4820
4821     /* if that fails, set current volume to reliable default value */
4822     if (volume_simple_current == NULL)
4823       volume_simple_current =
4824         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4825
4826     /* if that also fails, set current volume to first available value */
4827     if (volume_simple_current == NULL)
4828       volume_simple_current = volumes_simple;
4829   }
4830
4831   if (volumes_loops == NULL)
4832   {
4833     boolean current_volume_loops_found = FALSE;
4834     int i;
4835
4836     for (i = 0; volumes_list[i].value != -1; i++)
4837     {
4838       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4839       char identifier[32], name[32];
4840       int value = volumes_list[i].value;
4841       char *text = volumes_list[i].text;
4842
4843       ti->node_top = &volumes_loops;
4844       ti->sort_priority = value;
4845
4846       sprintf(identifier, "%d", value);
4847       sprintf(name, "%s", text);
4848
4849       setString(&ti->identifier, identifier);
4850       setString(&ti->name, name);
4851       setString(&ti->name_sorting, name);
4852       setString(&ti->infotext, "Loops Volume");
4853
4854       pushTreeInfo(&volumes_loops, ti);
4855
4856       if (value == setup.volume_loops)
4857         current_volume_loops_found = TRUE;
4858     }
4859
4860     if (!current_volume_loops_found)
4861     {
4862       // add entry for non-preset volume value
4863
4864       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4865       char identifier[32], name[32];
4866       int value = setup.volume_loops;
4867
4868       ti->node_top = &volumes_loops;
4869       ti->sort_priority = value;
4870
4871       sprintf(identifier, "%d", value);
4872       sprintf(name, "%d %% (Current)", value);
4873
4874       setString(&ti->identifier, identifier);
4875       setString(&ti->name, name);
4876       setString(&ti->name_sorting, name);
4877       setString(&ti->infotext, "Loops Volume");
4878
4879       pushTreeInfo(&volumes_loops, ti);
4880     }
4881
4882     /* sort volume values to start with lowest volume value */
4883     sortTreeInfo(&volumes_loops);
4884
4885     /* set current volume value to configured volume value */
4886     volume_loops_current =
4887       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4888
4889     /* if that fails, set current volume to reliable default value */
4890     if (volume_loops_current == NULL)
4891       volume_loops_current =
4892         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4893
4894     /* if that also fails, set current volume to first available value */
4895     if (volume_loops_current == NULL)
4896       volume_loops_current = volumes_loops;
4897   }
4898
4899   if (volumes_music == NULL)
4900   {
4901     boolean current_volume_music_found = FALSE;
4902     int i;
4903
4904     for (i = 0; volumes_list[i].value != -1; i++)
4905     {
4906       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4907       char identifier[32], name[32];
4908       int value = volumes_list[i].value;
4909       char *text = volumes_list[i].text;
4910
4911       ti->node_top = &volumes_music;
4912       ti->sort_priority = value;
4913
4914       sprintf(identifier, "%d", value);
4915       sprintf(name, "%s", text);
4916
4917       setString(&ti->identifier, identifier);
4918       setString(&ti->name, name);
4919       setString(&ti->name_sorting, name);
4920       setString(&ti->infotext, "Music Volume");
4921
4922       pushTreeInfo(&volumes_music, ti);
4923
4924       if (value == setup.volume_music)
4925         current_volume_music_found = TRUE;
4926     }
4927
4928     if (!current_volume_music_found)
4929     {
4930       // add entry for non-preset volume value
4931
4932       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4933       char identifier[32], name[32];
4934       int value = setup.volume_music;
4935
4936       ti->node_top = &volumes_music;
4937       ti->sort_priority = value;
4938
4939       sprintf(identifier, "%d", value);
4940       sprintf(name, "%d %% (Current)", value);
4941
4942       setString(&ti->identifier, identifier);
4943       setString(&ti->name, name);
4944       setString(&ti->name_sorting, name);
4945       setString(&ti->infotext, "Music Volume");
4946
4947       pushTreeInfo(&volumes_music, ti);
4948     }
4949
4950     /* sort volume values to start with lowest volume value */
4951     sortTreeInfo(&volumes_music);
4952
4953     /* set current volume value to configured volume value */
4954     volume_music_current =
4955       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4956
4957     /* if that fails, set current volume to reliable default value */
4958     if (volume_music_current == NULL)
4959       volume_music_current =
4960         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4961
4962     /* if that also fails, set current volume to first available value */
4963     if (volume_music_current == NULL)
4964       volume_music_current = volumes_music;
4965   }
4966
4967   setup.volume_simple = atoi(volume_simple_current->identifier);
4968   setup.volume_loops  = atoi(volume_loops_current->identifier);
4969   setup.volume_music  = atoi(volume_music_current->identifier);
4970
4971   /* needed for displaying volume text instead of identifier */
4972   volume_simple_text = volume_simple_current->name;
4973   volume_loops_text = volume_loops_current->name;
4974   volume_music_text = volume_music_current->name;
4975
4976   setup_mode = SETUP_MODE_SOUND;
4977
4978   DrawSetupScreen();
4979 }
4980
4981 static void execSetupChooseTouchControls()
4982 {
4983   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
4984
4985   DrawSetupScreen();
4986 }
4987
4988 static void execSetupChooseMoveDistance()
4989 {
4990   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
4991
4992   DrawSetupScreen();
4993 }
4994
4995 static void execSetupChooseDropDistance()
4996 {
4997   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
4998
4999   DrawSetupScreen();
5000 }
5001
5002 static void execSetupTouch()
5003 {
5004   if (touch_controls == NULL)
5005   {
5006     int i;
5007
5008     for (i = 0; touch_controls_list[i].value != NULL; i++)
5009     {
5010       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5011       char identifier[32], name[32];
5012       char *value = touch_controls_list[i].value;
5013       char *text = touch_controls_list[i].text;
5014
5015       ti->node_top = &touch_controls;
5016       ti->sort_priority = i;
5017
5018       sprintf(identifier, "%s", value);
5019       sprintf(name, "%s", text);
5020
5021       setString(&ti->identifier, identifier);
5022       setString(&ti->name, name);
5023       setString(&ti->name_sorting, name);
5024       setString(&ti->infotext, "Control Type");
5025
5026       pushTreeInfo(&touch_controls, ti);
5027     }
5028
5029     /* sort touch control values to start with lowest touch control value */
5030     sortTreeInfo(&touch_controls);
5031
5032     /* set current touch control value to configured touch control value */
5033     touch_control_current =
5034       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5035
5036     /* if that fails, set current touch control to reliable default value */
5037     if (touch_control_current == NULL)
5038       touch_control_current =
5039         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5040
5041     /* if that also fails, set current touch control to first available value */
5042     if (touch_control_current == NULL)
5043       touch_control_current = touch_controls;
5044   }
5045
5046   if (move_distances == NULL)
5047   {
5048     int i;
5049
5050     for (i = 0; distances_list[i].value != -1; i++)
5051     {
5052       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5053       char identifier[32], name[32];
5054       int value = distances_list[i].value;
5055       char *text = distances_list[i].text;
5056
5057       ti->node_top = &move_distances;
5058       ti->sort_priority = value;
5059
5060       sprintf(identifier, "%d", value);
5061       sprintf(name, "%s", text);
5062
5063       setString(&ti->identifier, identifier);
5064       setString(&ti->name, name);
5065       setString(&ti->name_sorting, name);
5066       setString(&ti->infotext, "Move Distance");
5067
5068       pushTreeInfo(&move_distances, ti);
5069     }
5070
5071     /* sort distance values to start with lowest distance value */
5072     sortTreeInfo(&move_distances);
5073
5074     /* set current distance value to configured distance value */
5075     move_distance_current =
5076       getTreeInfoFromIdentifier(move_distances,
5077                                 i_to_a(setup.touch.move_distance));
5078
5079     /* if that fails, set current distance to reliable default value */
5080     if (move_distance_current == NULL)
5081       move_distance_current =
5082         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5083
5084     /* if that also fails, set current distance to first available value */
5085     if (move_distance_current == NULL)
5086       move_distance_current = move_distances;
5087   }
5088
5089   if (drop_distances == NULL)
5090   {
5091     int i;
5092
5093     for (i = 0; distances_list[i].value != -1; i++)
5094     {
5095       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5096       char identifier[32], name[32];
5097       int value = distances_list[i].value;
5098       char *text = distances_list[i].text;
5099
5100       ti->node_top = &drop_distances;
5101       ti->sort_priority = value;
5102
5103       sprintf(identifier, "%d", value);
5104       sprintf(name, "%s", text);
5105
5106       setString(&ti->identifier, identifier);
5107       setString(&ti->name, name);
5108       setString(&ti->name_sorting, name);
5109       setString(&ti->infotext, "Drop Distance");
5110
5111       pushTreeInfo(&drop_distances, ti);
5112     }
5113
5114     /* sort distance values to start with lowest distance value */
5115     sortTreeInfo(&drop_distances);
5116
5117     /* set current distance value to configured distance value */
5118     drop_distance_current =
5119       getTreeInfoFromIdentifier(drop_distances,
5120                                 i_to_a(setup.touch.drop_distance));
5121
5122     /* if that fails, set current distance to reliable default value */
5123     if (drop_distance_current == NULL)
5124       drop_distance_current =
5125         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5126
5127     /* if that also fails, set current distance to first available value */
5128     if (drop_distance_current == NULL)
5129       drop_distance_current = drop_distances;
5130   }
5131
5132   setup.touch.control_type = touch_control_current->identifier;
5133   setup.touch.move_distance = atoi(move_distance_current->identifier);
5134   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5135
5136   /* needed for displaying volume text instead of identifier */
5137   touch_controls_text = touch_control_current->name;
5138   move_distance_text = move_distance_current->name;
5139   drop_distance_text = drop_distance_current->name;
5140
5141   setup_mode = SETUP_MODE_TOUCH;
5142
5143   DrawSetupScreen();
5144 }
5145
5146 static void execSetupArtwork()
5147 {
5148 #if 0
5149   printf("::: '%s', '%s', '%s'\n",
5150          artwork.gfx_current->subdir,
5151          artwork.gfx_current->fullpath,
5152          artwork.gfx_current->basepath);
5153 #endif
5154
5155   setup.graphics_set = artwork.gfx_current->identifier;
5156   setup.sounds_set = artwork.snd_current->identifier;
5157   setup.music_set = artwork.mus_current->identifier;
5158
5159   /* needed if last screen (setup choice) changed graphics, sounds or music */
5160   ReloadCustomArtwork(0);
5161
5162   /* needed for displaying artwork name instead of artwork identifier */
5163   graphics_set_name = artwork.gfx_current->name;
5164   sounds_set_name = artwork.snd_current->name;
5165   music_set_name = artwork.mus_current->name;
5166
5167   setup_mode = SETUP_MODE_ARTWORK;
5168
5169   DrawSetupScreen();
5170 }
5171
5172 static void execSetupChooseGraphics()
5173 {
5174   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5175
5176   DrawSetupScreen();
5177 }
5178
5179 static void execSetupChooseSounds()
5180 {
5181   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5182
5183   DrawSetupScreen();
5184 }
5185
5186 static void execSetupChooseMusic()
5187 {
5188   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5189
5190   DrawSetupScreen();
5191 }
5192
5193 #if !defined(PLATFORM_ANDROID)
5194 static void execSetupInput()
5195 {
5196   setup_mode = SETUP_MODE_INPUT;
5197
5198   DrawSetupScreen();
5199 }
5200 #endif
5201
5202 static void execSetupShortcuts()
5203 {
5204   setup_mode = SETUP_MODE_SHORTCUTS;
5205
5206   DrawSetupScreen();
5207 }
5208
5209 static void execSetupShortcuts1()
5210 {
5211   setup_mode = SETUP_MODE_SHORTCUTS_1;
5212
5213   DrawSetupScreen();
5214 }
5215
5216 static void execSetupShortcuts2()
5217 {
5218   setup_mode = SETUP_MODE_SHORTCUTS_2;
5219
5220   DrawSetupScreen();
5221 }
5222
5223 static void execSetupShortcuts3()
5224 {
5225   setup_mode = SETUP_MODE_SHORTCUTS_3;
5226
5227   DrawSetupScreen();
5228 }
5229
5230 static void execSetupShortcuts4()
5231 {
5232   setup_mode = SETUP_MODE_SHORTCUTS_4;
5233
5234   DrawSetupScreen();
5235 }
5236
5237 static void execSetupShortcuts5()
5238 {
5239   setup_mode = SETUP_MODE_SHORTCUTS_5;
5240
5241   DrawSetupScreen();
5242 }
5243
5244 static void execExitSetup()
5245 {
5246   SetGameStatus(GAME_MODE_MAIN);
5247
5248   DrawMainMenu();
5249 }
5250
5251 static void execSaveAndExitSetup()
5252 {
5253   SaveSetup();
5254   execExitSetup();
5255 }
5256
5257 static struct TokenInfo setup_info_main[] =
5258 {
5259   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5260   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5261   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5262   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5263   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5264 #if !defined(PLATFORM_ANDROID)
5265   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5266   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5267 #else
5268   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5269 #endif
5270   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5271   { TYPE_EMPTY,         NULL,                   ""                      },
5272   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5273   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5274
5275   { 0,                  NULL,                   NULL                    }
5276 };
5277
5278 static struct TokenInfo setup_info_game[] =
5279 {
5280   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5281   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5282   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5283   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5284   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5285   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5286   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5287   { TYPE_STRING,        &game_speed_text,       ""                      },
5288 #if 1
5289   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5290   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5291 #endif
5292   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5293   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5294   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5295   { TYPE_EMPTY,         NULL,                   ""                      },
5296   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5297
5298   { 0,                  NULL,                   NULL                    }
5299 };
5300
5301 static struct TokenInfo setup_info_editor[] =
5302 {
5303 #if 0
5304   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5305   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5306   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5307   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5308   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5309   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5310   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5311   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5312 #endif
5313   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5314   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5315   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5316 #if 0
5317   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5318 #endif
5319   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5320   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5321   { TYPE_EMPTY,         NULL,                   ""                      },
5322 #if 0
5323   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5324   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5325   { TYPE_EMPTY,         NULL,                   ""                      },
5326 #endif
5327   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5328   { TYPE_EMPTY,         NULL,                   ""                      },
5329   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5330
5331   { 0,                  NULL,                   NULL                    }
5332 };
5333
5334 static struct TokenInfo setup_info_graphics[] =
5335 {
5336 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
5337   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5338   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5339   { TYPE_STRING,        &window_size_text,      ""                      },
5340   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5341   { TYPE_STRING,        &scaling_type_text,     ""                      },
5342   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
5343   { TYPE_STRING,        &rendering_mode_text,   ""                      },
5344 #endif
5345 #if 0
5346   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5347   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5348 #endif
5349   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5350   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5351   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5352   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5353   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5354   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5355   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5356   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5357   { TYPE_EMPTY,         NULL,                   ""                      },
5358   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5359
5360   { 0,                  NULL,                   NULL                    }
5361 };
5362
5363 static struct TokenInfo setup_info_sound[] =
5364 {
5365   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5366   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5367   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5368   { TYPE_EMPTY,         NULL,                   ""                      },
5369   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5370   { TYPE_STRING,        &volume_simple_text,    ""                      },
5371   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5372   { TYPE_STRING,        &volume_loops_text,     ""                      },
5373   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5374   { TYPE_STRING,        &volume_music_text,     ""                      },
5375   { TYPE_EMPTY,         NULL,                   ""                      },
5376   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5377
5378   { 0,                  NULL,                   NULL                    }
5379 };
5380
5381 static struct TokenInfo setup_info_artwork[] =
5382 {
5383   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5384   { TYPE_STRING,        &graphics_set_name,     ""                      },
5385   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5386   { TYPE_STRING,        &sounds_set_name,       ""                      },
5387   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5388   { TYPE_STRING,        &music_set_name,        ""                      },
5389   { TYPE_EMPTY,         NULL,                   ""                      },
5390   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5391   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5392   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5393   { TYPE_EMPTY,         NULL,                   ""                      },
5394   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5395
5396   { 0,                  NULL,                   NULL                    }
5397 };
5398
5399 static struct TokenInfo setup_info_input[] =
5400 {
5401   { TYPE_SWITCH,        NULL,                   "Player:"               },
5402   { TYPE_SWITCH,        NULL,                   "Device:"               },
5403   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5404   { TYPE_EMPTY,         NULL,                   ""                      },
5405   { TYPE_EMPTY,         NULL,                   ""                      },
5406   { TYPE_EMPTY,         NULL,                   ""                      },
5407   { TYPE_EMPTY,         NULL,                   ""                      },
5408   { TYPE_EMPTY,         NULL,                   ""                      },
5409   { TYPE_EMPTY,         NULL,                   ""                      },
5410   { TYPE_EMPTY,         NULL,                   ""                      },
5411   { TYPE_EMPTY,         NULL,                   ""                      },
5412   { TYPE_EMPTY,         NULL,                   ""                      },
5413   { TYPE_EMPTY,         NULL,                   ""                      },
5414   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5415
5416   { 0,                  NULL,                   NULL                    }
5417 };
5418
5419 static struct TokenInfo setup_info_touch[] =
5420 {
5421   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5422   { TYPE_STRING,        &touch_controls_text,   ""                      },
5423   { TYPE_EMPTY,         NULL,                   ""                      },
5424   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5425
5426   { 0,                  NULL,                   NULL                    }
5427 };
5428
5429 static struct TokenInfo setup_info_touch_wipe_gestures[] =
5430 {
5431   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5432   { TYPE_STRING,        &touch_controls_text,   ""                      },
5433   { TYPE_EMPTY,         NULL,                   ""                      },
5434   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5435   { TYPE_STRING,        &move_distance_text,    ""                      },
5436   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5437   { TYPE_STRING,        &drop_distance_text,    ""                      },
5438   { TYPE_EMPTY,         NULL,                   ""                      },
5439   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5440
5441   { 0,                  NULL,                   NULL                    }
5442 };
5443
5444 static struct TokenInfo setup_info_shortcuts[] =
5445 {
5446   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5447   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5448   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5449   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5450   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5451   { TYPE_EMPTY,         NULL,                   ""                      },
5452   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5453
5454   { 0,                  NULL,                   NULL                    }
5455 };
5456
5457 static struct TokenInfo setup_info_shortcuts_1[] =
5458 {
5459   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5460   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5461   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5462   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5463   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5464   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5465   { TYPE_EMPTY,         NULL,                   ""                      },
5466   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5467   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5468   { TYPE_EMPTY,         NULL,                   ""                      },
5469   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5470
5471   { 0,                  NULL,                   NULL                    }
5472 };
5473
5474 static struct TokenInfo setup_info_shortcuts_2[] =
5475 {
5476   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5477   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5478   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5479   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5480   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5481   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5482   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5483   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5484   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5485   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5486   { TYPE_EMPTY,         NULL,                   ""                      },
5487   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5488
5489   { 0,                  NULL,                   NULL                    }
5490 };
5491
5492 static struct TokenInfo setup_info_shortcuts_3[] =
5493 {
5494   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5495   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5496   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5497   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5498   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5499   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5500   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5501   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5502   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5503   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5504   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5505   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5506   { TYPE_EMPTY,         NULL,                   ""                      },
5507   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5508
5509   { 0,                  NULL,                   NULL                    }
5510 };
5511
5512 static struct TokenInfo setup_info_shortcuts_4[] =
5513 {
5514   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5515   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5516   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5517   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5518   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5519   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5520   { TYPE_EMPTY,         NULL,                   ""                      },
5521   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5522
5523   { 0,                  NULL,                   NULL                    }
5524 };
5525
5526 static struct TokenInfo setup_info_shortcuts_5[] =
5527 {
5528   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5529   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5530   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5531   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5532   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5533   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5534   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5535   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5536   { TYPE_EMPTY,         NULL,                   ""                      },
5537   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5538
5539   { 0,                  NULL,                   NULL                    }
5540 };
5541
5542 static Key getSetupKey()
5543 {
5544   Key key = KSYM_UNDEFINED;
5545   boolean got_key_event = FALSE;
5546
5547   while (!got_key_event)
5548   {
5549     if (PendingEvent())         /* got event */
5550     {
5551       Event event;
5552
5553       NextEvent(&event);
5554
5555       switch (event.type)
5556       {
5557         case EVENT_KEYPRESS:
5558           {
5559             key = GetEventKey((KeyEvent *)&event, TRUE);
5560
5561             /* press 'Escape' or 'Enter' to keep the existing key binding */
5562             if (key == KSYM_Escape || key == KSYM_Return)
5563               key = KSYM_UNDEFINED;     /* keep old value */
5564
5565             got_key_event = TRUE;
5566           }
5567           break;
5568
5569         case EVENT_KEYRELEASE:
5570           key_joystick_mapping = 0;
5571           break;
5572
5573         default:
5574           HandleOtherEvents(&event);
5575           break;
5576       }
5577     }
5578
5579     BackToFront();
5580   }
5581
5582   return key;
5583 }
5584
5585 static int getSetupValueFont(int type, void *value)
5586 {
5587   if (type & TYPE_KEY)
5588     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5589   else if (type & TYPE_STRING)
5590     return FONT_VALUE_2;
5591   else if (type & TYPE_ECS_AGA)
5592     return FONT_VALUE_1;
5593   else if (type & TYPE_BOOLEAN_STYLE)
5594     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5595   else if (type & TYPE_YES_NO_AUTO)
5596     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5597             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5598   else
5599     return FONT_VALUE_1;
5600 }
5601
5602 static int getSetupValueFontNarrow(int type, int font_nr)
5603 {
5604   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
5605           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
5606           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
5607           font_nr);
5608 }
5609
5610 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5611 {
5612   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5613   struct TokenInfo *si = &setup_info[si_pos];
5614   boolean font_draw_xoffset_modified = FALSE;
5615   boolean scrollbar_needed = (num_setup_info < max_setup_info);
5616   int font_draw_xoffset_old = -1;
5617   int xoffset = (scrollbar_needed ? -1 : 0);
5618   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5619   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5620   int xpos = menu_screen_value_xpos;
5621   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5622   int startx = mSX + xpos * 32;
5623   int starty = mSY + ypos * 32;
5624   int font_nr, font_nr_default, font_width_default;
5625   int type = si->type;
5626   void *value = si->value;
5627   char *value_string = getSetupValue(type, value);
5628   int i;
5629
5630   if (value_string == NULL)
5631     return;
5632
5633   if (type & TYPE_KEY)
5634   {
5635     xpos = MENU_SCREEN_START_XPOS;
5636
5637     if (type & TYPE_QUERY)
5638       value_string = "<press key>";
5639   }
5640   else if (type & TYPE_STRING)
5641   {
5642     int max_value_len = (SCR_FIELDX - 2) * 2;
5643
5644     xpos = MENU_SCREEN_START_XPOS;
5645
5646     if (strlen(value_string) > max_value_len)
5647       value_string[max_value_len] = '\0';
5648   }
5649   else if (type & TYPE_YES_NO_AUTO)
5650   {
5651     xpos = menu_screen_value_xpos - 1;
5652   }
5653
5654   startx = mSX + xpos * 32;
5655   starty = mSY + ypos * 32;
5656   font_nr_default = getSetupValueFont(type, value);
5657   font_width_default = getFontWidth(font_nr_default);
5658
5659   font_nr = font_nr_default;
5660
5661   // special check if right-side setup values moved left due to scrollbar
5662   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
5663   {
5664     int max_menu_text_length = 26;      // maximum text length for classic menu
5665     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5666     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5667     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5668     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5669     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
5670
5671     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
5672     {
5673       xpos += 1;
5674       startx = mSX + xpos * 32;
5675
5676       font_nr = getSetupValueFontNarrow(type, font_nr);
5677     }
5678   }
5679
5680   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5681   if (setup_mode != SETUP_MODE_INPUT)
5682   {
5683     int max_menu_text_length_big = (menu_screen_value_xpos -
5684                                     MENU_SCREEN_START_XPOS);
5685     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5686     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5687     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5688     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5689     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5690     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5691     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5692     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5693     boolean correct_font_draw_xoffset = FALSE;
5694
5695     if (xpos == MENU_SCREEN_START_XPOS &&
5696         startx + font1_xoffset < text_startx + text_font_xoffset)
5697       correct_font_draw_xoffset = TRUE;
5698
5699     if (xpos == menu_screen_value_xpos &&
5700         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5701       correct_font_draw_xoffset = TRUE;
5702
5703     /* check if setup value would overlap with setup text when printed */
5704     /* (this can happen for extreme/wrong values for font draw offset) */
5705     if (correct_font_draw_xoffset)
5706     {
5707       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5708       font_draw_xoffset_modified = TRUE;
5709
5710       if (type & TYPE_KEY)
5711         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5712       else if (!(type & TYPE_STRING))
5713         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5714           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5715     }
5716   }
5717
5718   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5719     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
5720
5721   DrawText(startx, starty, value_string, font_nr);
5722
5723   if (font_draw_xoffset_modified)
5724     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5725 }
5726
5727 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5728 {
5729   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5730   struct TokenInfo *si = &setup_info[si_pos];
5731
5732   if (si->type & TYPE_BOOLEAN_STYLE)
5733   {
5734     *(boolean *)si->value ^= TRUE;
5735   }
5736   else if (si->type & TYPE_YES_NO_AUTO)
5737   {
5738     *(int *)si->value =
5739       (dx == -1 ?
5740        (*(int *)si->value == AUTO ? TRUE :
5741         *(int *)si->value == TRUE ? FALSE : AUTO) :
5742        (*(int *)si->value == TRUE ? AUTO :
5743         *(int *)si->value == AUTO ? FALSE : TRUE));
5744   }
5745   else if (si->type & TYPE_KEY)
5746   {
5747     Key key;
5748
5749     si->type |= TYPE_QUERY;
5750     drawSetupValue(screen_pos, setup_info_pos_raw);
5751     si->type &= ~TYPE_QUERY;
5752
5753     key = getSetupKey();
5754     if (key != KSYM_UNDEFINED)
5755       *(Key *)si->value = key;
5756   }
5757
5758   drawSetupValue(screen_pos, setup_info_pos_raw);
5759
5760   // fullscreen state may have changed at this point
5761   if (si->value == &setup.fullscreen)
5762     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5763 }
5764
5765 static void DrawSetupScreen_Generic()
5766 {
5767   int fade_mask = REDRAW_FIELD;
5768   boolean redraw_all = FALSE;
5769   char *title_string = NULL;
5770   int i;
5771
5772   if (CheckIfGlobalBorderHasChanged())
5773     fade_mask = REDRAW_ALL;
5774
5775   UnmapAllGadgets();
5776   FadeMenuSoundsAndMusic();
5777
5778   FreeScreenGadgets();
5779   CreateScreenGadgets();
5780
5781   if (redraw_mask & REDRAW_ALL)
5782     redraw_all = TRUE;
5783
5784   FadeOut(fade_mask);
5785
5786   /* needed if different viewport properties defined for setup screen */
5787   ChangeViewportPropertiesIfNeeded();
5788
5789   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
5790
5791   ClearField();
5792
5793   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5794
5795   if (setup_mode == SETUP_MODE_MAIN)
5796   {
5797     setup_info = setup_info_main;
5798     title_string = "Setup";
5799   }
5800   else if (setup_mode == SETUP_MODE_GAME)
5801   {
5802     setup_info = setup_info_game;
5803     title_string = "Setup Game";
5804   }
5805   else if (setup_mode == SETUP_MODE_EDITOR)
5806   {
5807     setup_info = setup_info_editor;
5808     title_string = "Setup Editor";
5809   }
5810   else if (setup_mode == SETUP_MODE_GRAPHICS)
5811   {
5812     setup_info = setup_info_graphics;
5813     title_string = "Setup Graphics";
5814   }
5815   else if (setup_mode == SETUP_MODE_SOUND)
5816   {
5817     setup_info = setup_info_sound;
5818     title_string = "Setup Sound";
5819   }
5820   else if (setup_mode == SETUP_MODE_ARTWORK)
5821   {
5822     setup_info = setup_info_artwork;
5823     title_string = "Custom Artwork";
5824   }
5825   else if (setup_mode == SETUP_MODE_TOUCH)
5826   {
5827     setup_info = setup_info_touch;
5828     title_string = "Setup Touch Ctrls";
5829
5830     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
5831       setup_info = setup_info_touch_wipe_gestures;
5832   }
5833   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5834   {
5835     setup_info = setup_info_shortcuts;
5836     title_string = "Setup Shortcuts";
5837   }
5838   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5839   {
5840     setup_info = setup_info_shortcuts_1;
5841     title_string = "Setup Shortcuts";
5842   }
5843   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5844   {
5845     setup_info = setup_info_shortcuts_2;
5846     title_string = "Setup Shortcuts";
5847   }
5848   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5849   {
5850     setup_info = setup_info_shortcuts_3;
5851     title_string = "Setup Shortcuts";
5852   }
5853   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5854   {
5855     setup_info = setup_info_shortcuts_4;
5856     title_string = "Setup Shortcuts";
5857   }
5858   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5859   {
5860     setup_info = setup_info_shortcuts_5;
5861     title_string = "Setup Shortcuts";
5862   }
5863
5864   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5865
5866   // determine maximal number of setup entries that can be displayed on screen
5867   num_setup_info = 0;
5868   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5869     num_setup_info++;
5870
5871   // determine maximal number of setup entries available for this setup screen
5872   max_setup_info = 0;
5873   for (i = 0; setup_info[i].type != 0; i++)
5874     max_setup_info++;
5875
5876   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5877
5878   MapScreenGadgets(max_setup_info);
5879
5880   if (redraw_all)
5881     redraw_mask = fade_mask = REDRAW_ALL;
5882
5883   DrawMaskedBorder(fade_mask);
5884
5885   FadeIn(fade_mask);
5886 }
5887
5888 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5889 {
5890   menu_info = setup_info;
5891
5892   HandleMenuScreen(mx, my, dx, dy, button,
5893                    setup_mode, num_setup_info, max_setup_info);
5894 }
5895
5896 void DrawSetupScreen_Input()
5897 {
5898   int i;
5899
5900   FadeOut(REDRAW_FIELD);
5901
5902   ClearField();
5903
5904   setup_info = setup_info_input;
5905
5906   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5907
5908   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5909                     "Joysticks deactivated on this screen");
5910
5911   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5912   {
5913     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5914       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5915     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5916       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5917     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5918       initCursor(i, IMG_MENU_BUTTON);
5919
5920     DrawCursorAndText_Setup(i, -1, FALSE);
5921   }
5922
5923   /* create gadgets for setup input menu screen */
5924   FreeScreenGadgets();
5925   CreateScreenGadgets();
5926
5927   /* map gadgets for setup input menu screen */
5928   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5929
5930   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5931
5932   FadeIn(REDRAW_FIELD);
5933 }
5934
5935 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5936 {
5937   if (device_name == NULL)
5938     return;
5939
5940   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5941     device_nr = 0;
5942
5943   if (strlen(device_name) > 1)
5944   {
5945     char c1 = device_name[strlen(device_name) - 1];
5946     char c2 = device_name[strlen(device_name) - 2];
5947
5948     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5949       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5950   }
5951   else
5952     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5953             strlen(device_name));
5954 }
5955
5956 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5957 {
5958   int i;
5959   static struct SetupKeyboardInfo custom_key;
5960   static struct
5961   {
5962     Key *key;
5963     char *text;
5964   } custom[] =
5965   {
5966     { &custom_key.left,  "Joystick Left"  },
5967     { &custom_key.right, "Joystick Right" },
5968     { &custom_key.up,    "Joystick Up"    },
5969     { &custom_key.down,  "Joystick Down"  },
5970     { &custom_key.snap,  "Button 1"       },
5971     { &custom_key.drop,  "Button 2"       }
5972   };
5973   static char *joystick_name[MAX_PLAYERS] =
5974   {
5975     "Joystick1",
5976     "Joystick2",
5977     "Joystick3",
5978     "Joystick4"
5979   };
5980   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5981
5982   InitJoysticks();
5983
5984   custom_key = setup.input[player_nr].key;
5985
5986   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5987            FONT_INPUT_1_ACTIVE);
5988
5989   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5990                              TILEX, TILEY);
5991   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5992                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5993
5994   if (setup.input[player_nr].use_joystick)
5995   {
5996     char *device_name = setup.input[player_nr].joy.device_name;
5997     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
5998     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
5999
6000     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
6001     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
6002   }
6003   else
6004   {
6005     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
6006     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
6007   }
6008
6009   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
6010
6011   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
6012   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
6013   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
6014   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6015
6016   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6017   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6018   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6019   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6020   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6021   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6022
6023   for (i = 0; i < 6; i++)
6024   {
6025     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6026
6027     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6028              "              ", FONT_VALUE_1);
6029     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6030              (setup.input[player_nr].use_joystick ?
6031               custom[i].text :
6032               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6033   }
6034 }
6035
6036 static int input_player_nr = 0;
6037
6038 void HandleSetupScreen_Input_Player(int step, int direction)
6039 {
6040   int old_player_nr = input_player_nr;
6041   int new_player_nr;
6042
6043   new_player_nr = old_player_nr + step * direction;
6044   if (new_player_nr < 0)
6045     new_player_nr = 0;
6046   if (new_player_nr > MAX_PLAYERS - 1)
6047     new_player_nr = MAX_PLAYERS - 1;
6048
6049   if (new_player_nr != old_player_nr)
6050   {
6051     input_player_nr = new_player_nr;
6052
6053     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6054   }
6055 }
6056
6057 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6058 {
6059   static int choice = 0;
6060   int x = 0;
6061   int y = choice;
6062   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6063   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6064   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6065   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6066
6067   if (button == MB_MENU_INITIALIZE)
6068   {
6069     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6070
6071     DrawCursorAndText_Setup(choice, -1, TRUE);
6072
6073     return;
6074   }
6075   else if (button == MB_MENU_LEAVE)
6076   {
6077     setup_mode = SETUP_MODE_MAIN;
6078     DrawSetupScreen();
6079     InitJoysticks();
6080
6081     return;
6082   }
6083
6084   if (mx || my)         /* mouse input */
6085   {
6086     x = (mx - mSX) / 32;
6087     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6088   }
6089   else if (dx || dy)    /* keyboard input */
6090   {
6091     if (dx && choice == 0)
6092       x = (dx < 0 ? 10 : 12);
6093     else if ((dx && choice == 1) ||
6094              (dx == +1 && choice == 2) ||
6095              (dx == -1 && choice == pos_end))
6096       button = MB_MENU_CHOICE;
6097     else if (dy)
6098       y = choice + dy;
6099
6100     if (y >= pos_empty1 && y <= pos_empty2)
6101       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6102   }
6103
6104   if (y == 0 && dx != 0 && button)
6105   {
6106     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6107   }
6108   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6109            y >= pos_start && y <= pos_end &&
6110            !(y >= pos_empty1 && y <= pos_empty2))
6111   {
6112     if (button)
6113     {
6114       if (y != choice)
6115       {
6116         DrawCursorAndText_Setup(choice, -1, FALSE);
6117         DrawCursorAndText_Setup(y, -1, TRUE);
6118
6119         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6120
6121         choice = y;
6122       }
6123     }
6124     else
6125     {
6126       if (y == 1)
6127       {
6128         char *device_name = setup.input[input_player_nr].joy.device_name;
6129
6130         if (!setup.input[input_player_nr].use_joystick)
6131         {
6132           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6133
6134           setJoystickDeviceToNr(device_name, new_device_nr);
6135           setup.input[input_player_nr].use_joystick = TRUE;
6136         }
6137         else
6138         {
6139           int device_nr = getJoystickNrFromDeviceName(device_name);
6140           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6141
6142           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6143             setup.input[input_player_nr].use_joystick = FALSE;
6144           else
6145             setJoystickDeviceToNr(device_name, new_device_nr);
6146         }
6147
6148         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6149       }
6150       else if (y == 2)
6151       {
6152         if (setup.input[input_player_nr].use_joystick)
6153         {
6154           InitJoysticks();
6155           CalibrateJoystick(input_player_nr);
6156         }
6157         else
6158           CustomizeKeyboard(input_player_nr);
6159       }
6160       else if (y == pos_end)
6161       {
6162         InitJoysticks();
6163
6164         FadeSetLeaveMenu();
6165
6166         setup_mode = SETUP_MODE_MAIN;
6167         DrawSetupScreen();
6168       }
6169     }
6170   }
6171 }
6172
6173 void CustomizeKeyboard(int player_nr)
6174 {
6175   int i;
6176   int step_nr;
6177   boolean finished = FALSE;
6178   static struct SetupKeyboardInfo custom_key;
6179   static struct
6180   {
6181     Key *key;
6182     char *text;
6183   } customize_step[] =
6184   {
6185     { &custom_key.left,  "Move Left"    },
6186     { &custom_key.right, "Move Right"   },
6187     { &custom_key.up,    "Move Up"      },
6188     { &custom_key.down,  "Move Down"    },
6189     { &custom_key.snap,  "Snap Field"   },
6190     { &custom_key.drop,  "Drop Element" }
6191   };
6192
6193   /* read existing key bindings from player setup */
6194   custom_key = setup.input[player_nr].key;
6195
6196   FadeSetEnterMenu();
6197   FadeOut(REDRAW_FIELD);
6198
6199   ClearField();
6200
6201   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6202
6203   step_nr = 0;
6204   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6205            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6206   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6207            "Key:", FONT_INPUT_1_ACTIVE);
6208   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6209            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6210
6211   FadeIn(REDRAW_FIELD);
6212
6213   while (!finished)
6214   {
6215     if (PendingEvent())         /* got event */
6216     {
6217       Event event;
6218
6219       NextEvent(&event);
6220
6221       switch (event.type)
6222       {
6223         case EVENT_KEYPRESS:
6224           {
6225             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6226
6227             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6228             {
6229               if (key == KSYM_Escape)
6230                 FadeSkipNextFadeIn();
6231
6232               finished = TRUE;
6233               break;
6234             }
6235
6236             /* all keys configured -- wait for "Escape" or "Return" key */
6237             if (step_nr == 6)
6238               break;
6239
6240             /* press 'Enter' to keep the existing key binding */
6241             if (key == KSYM_Return)
6242               key = *customize_step[step_nr].key;
6243
6244             /* check if key already used */
6245             for (i = 0; i < step_nr; i++)
6246               if (*customize_step[i].key == key)
6247                 break;
6248             if (i < step_nr)
6249               break;
6250
6251             /* got new key binding */
6252             *customize_step[step_nr].key = key;
6253             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6254                      "             ", FONT_VALUE_1);
6255             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6256                      getKeyNameFromKey(key), FONT_VALUE_1);
6257             step_nr++;
6258
6259             /* un-highlight last query */
6260             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6261                      customize_step[step_nr - 1].text, FONT_MENU_1);
6262             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6263                      "Key:", FONT_MENU_1);
6264
6265             /* press 'Enter' to leave */
6266             if (step_nr == 6)
6267             {
6268               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6269                        "Press Enter", FONT_TITLE_1);
6270               break;
6271             }
6272
6273             /* query next key binding */
6274             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6275                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6276             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6277                      "Key:", FONT_INPUT_1_ACTIVE);
6278             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6279                      getKeyNameFromKey(*customize_step[step_nr].key),
6280                      FONT_VALUE_OLD);
6281           }
6282           break;
6283
6284         case EVENT_KEYRELEASE:
6285           key_joystick_mapping = 0;
6286           break;
6287
6288         default:
6289           HandleOtherEvents(&event);
6290           break;
6291       }
6292     }
6293
6294     BackToFront();
6295   }
6296
6297   /* write new key bindings back to player setup */
6298   setup.input[player_nr].key = custom_key;
6299
6300   DrawSetupScreen_Input();
6301 }
6302
6303 static boolean CalibrateJoystickMain(int player_nr)
6304 {
6305   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6306   int new_joystick_xright = JOYSTICK_XMIDDLE;
6307   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6308   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6309   int new_joystick_xmiddle, new_joystick_ymiddle;
6310
6311   int joystick_fd = joystick.fd[player_nr];
6312   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6313   boolean check[3][3];
6314   int check_remaining = 3 * 3;
6315   int joy_x, joy_y;
6316   int joy_value;
6317   int result = -1;
6318
6319   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6320     return FALSE;
6321
6322   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6323     return FALSE;
6324
6325   FadeSetEnterMenu();
6326   FadeOut(REDRAW_FIELD);
6327
6328   ClearField();
6329
6330   for (y = 0; y < 3; y++)
6331   {
6332     for (x = 0; x < 3; x++)
6333     {
6334       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6335       check[x][y] = FALSE;
6336     }
6337   }
6338
6339   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6340   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6341   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6342   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6343   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6344   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6345   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6346
6347   joy_value = Joystick(player_nr);
6348   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6349   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6350
6351   /* eventually uncalibrated center position (joystick could be uncentered) */
6352   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6353     return FALSE;
6354
6355   new_joystick_xmiddle = joy_x;
6356   new_joystick_ymiddle = joy_y;
6357
6358   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6359
6360   FadeIn(REDRAW_FIELD);
6361
6362   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6363
6364   while (result < 0)
6365   {
6366     if (PendingEvent())         /* got event */
6367     {
6368       Event event;
6369
6370       NextEvent(&event);
6371
6372       switch (event.type)
6373       {
6374         case EVENT_KEYPRESS:
6375           switch (GetEventKey((KeyEvent *)&event, TRUE))
6376           {
6377             case KSYM_Return:
6378               if (check_remaining == 0)
6379                 result = 1;
6380               break;
6381
6382             case KSYM_Escape:
6383               FadeSkipNextFadeIn();
6384               result = 0;
6385               break;
6386
6387             default:
6388               break;
6389           }
6390           break;
6391
6392         case EVENT_KEYRELEASE:
6393           key_joystick_mapping = 0;
6394           break;
6395
6396         default:
6397           HandleOtherEvents(&event);
6398           break;
6399       }
6400     }
6401
6402     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6403       return FALSE;
6404
6405     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6406     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6407     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6408     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6409
6410     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6411     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6412     setup.input[player_nr].joy.xright = new_joystick_xright;
6413     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6414     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6415     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6416
6417     CheckJoystickData();
6418
6419     joy_value = Joystick(player_nr);
6420
6421     if (joy_value & JOY_BUTTON && check_remaining == 0)
6422       result = 1;
6423
6424     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6425     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6426
6427     if (x != last_x || y != last_y)
6428     {
6429       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6430                        IMG_MENU_CALIBRATE_YELLOW, 0);
6431       DrawFixedGraphic(xpos + x,      ypos + y,
6432                        IMG_MENU_CALIBRATE_RED,    0);
6433
6434       last_x = x;
6435       last_y = y;
6436
6437       if (check_remaining > 0 && !check[x+1][y+1])
6438       {
6439         check[x+1][y+1] = TRUE;
6440         check_remaining--;
6441       }
6442     }
6443
6444     BackToFront();
6445   }
6446
6447   /* calibrated center position (joystick should now be centered) */
6448   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6449     return FALSE;
6450
6451   new_joystick_xmiddle = joy_x;
6452   new_joystick_ymiddle = joy_y;
6453
6454   /* wait until the last pressed button was released */
6455   while (Joystick(player_nr) & JOY_BUTTON)
6456   {
6457     if (PendingEvent())         /* got event */
6458     {
6459       Event event;
6460
6461       NextEvent(&event);
6462       HandleOtherEvents(&event);
6463
6464       BackToFront();
6465     }
6466   }
6467
6468   return TRUE;
6469 }
6470
6471 void CalibrateJoystick(int player_nr)
6472 {
6473   if (!CalibrateJoystickMain(player_nr))
6474   {
6475     char *device_name = setup.input[player_nr].joy.device_name;
6476     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6477     int xpos = mSX - SX;
6478     int ypos = mSY - SY;
6479
6480     ClearField();
6481
6482     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6483     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6484     BackToFront();
6485
6486     Delay(2000);                /* show error message for a short time */
6487
6488     ClearEventQueue();
6489   }
6490
6491   DrawSetupScreen_Input();
6492 }
6493
6494 void DrawSetupScreen()
6495 {
6496   DeactivateJoystick();
6497
6498   if (setup_mode == SETUP_MODE_INPUT)
6499     DrawSetupScreen_Input();
6500   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6501     DrawChooseTree(&game_speed_current);
6502   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6503     DrawChooseTree(&scroll_delay_current);
6504   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6505     DrawChooseTree(&snapshot_mode_current);
6506   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6507     DrawChooseTree(&window_size_current);
6508   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6509     DrawChooseTree(&scaling_type_current);
6510   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6511     DrawChooseTree(&rendering_mode_current);
6512   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6513     DrawChooseTree(&artwork.gfx_current);
6514   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6515     DrawChooseTree(&artwork.snd_current);
6516   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6517     DrawChooseTree(&artwork.mus_current);
6518   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6519     DrawChooseTree(&volume_simple_current);
6520   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6521     DrawChooseTree(&volume_loops_current);
6522   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6523     DrawChooseTree(&volume_music_current);
6524   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6525     DrawChooseTree(&touch_control_current);
6526   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6527     DrawChooseTree(&move_distance_current);
6528   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6529     DrawChooseTree(&drop_distance_current);
6530   else
6531     DrawSetupScreen_Generic();
6532
6533   PlayMenuSoundsAndMusic();
6534 }
6535
6536 void RedrawSetupScreenAfterFullscreenToggle()
6537 {
6538   if (setup_mode == SETUP_MODE_GRAPHICS ||
6539       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6540   {
6541     // update list selection from "setup.window_scaling_percent"
6542     execSetupGraphics_setWindowSizes(TRUE);
6543
6544     DrawSetupScreen();
6545   }
6546 }
6547
6548 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6549 {
6550   if (setup_mode == SETUP_MODE_INPUT)
6551     HandleSetupScreen_Input(mx, my, dx, dy, button);
6552   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6553     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6554   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6555     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6556   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6557     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6558   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6559     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6560   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6561     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6562   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6563     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
6564   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6565     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6566   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6567     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6568   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6569     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6570   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6571     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6572   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6573     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6574   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6575     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6576   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6577     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6578   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6579     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6580   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6581     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6582   else
6583     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6584 }
6585
6586 void HandleGameActions()
6587 {
6588   if (game_status != GAME_MODE_PLAYING)
6589     return;
6590
6591   GameActions();        /* main game loop */
6592
6593   if (tape.auto_play && !tape.playing)
6594     AutoPlayTape();     /* continue automatically playing next tape */
6595 }
6596
6597
6598 /* ---------- new screen button stuff -------------------------------------- */
6599
6600 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6601 {
6602   switch (gadget_id)
6603   {
6604     case SCREEN_CTRL_ID_PREV_LEVEL:
6605       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6606       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6607       break;
6608
6609     case SCREEN_CTRL_ID_NEXT_LEVEL:
6610       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6611       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6612       break;
6613
6614     case SCREEN_CTRL_ID_PREV_PLAYER:
6615       *x = mSX + TILEX * 10;
6616       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6617       break;
6618
6619     case SCREEN_CTRL_ID_NEXT_PLAYER:
6620       *x = mSX + TILEX * 12;
6621       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6622       break;
6623
6624     default:
6625       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6626   }
6627 }
6628
6629 static struct
6630 {
6631   int gfx_unpressed, gfx_pressed;
6632   void (*get_gadget_position)(int *, int *, int);
6633   int gadget_id;
6634   int screen_mask;
6635   char *infotext;
6636 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6637 {
6638   {
6639     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6640     getScreenMenuButtonPos,
6641     SCREEN_CTRL_ID_PREV_LEVEL,
6642     SCREEN_MASK_MAIN,
6643     "last level"
6644   },
6645   {
6646     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6647     getScreenMenuButtonPos,
6648     SCREEN_CTRL_ID_NEXT_LEVEL,
6649     SCREEN_MASK_MAIN,
6650     "next level"
6651   },
6652   {
6653     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6654     getScreenMenuButtonPos,
6655     SCREEN_CTRL_ID_PREV_PLAYER,
6656     SCREEN_MASK_INPUT,
6657     "last player"
6658   },
6659   {
6660     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6661     getScreenMenuButtonPos,
6662     SCREEN_CTRL_ID_NEXT_PLAYER,
6663     SCREEN_MASK_INPUT,
6664     "next player"
6665   },
6666 };
6667
6668 static struct
6669 {
6670   int gfx_unpressed, gfx_pressed;
6671   int x, y;
6672   int gadget_id;
6673   char *infotext;
6674 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6675 {
6676   {
6677     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6678     -1, -1,     /* these values are not constant, but can change at runtime */
6679     SCREEN_CTRL_ID_SCROLL_UP,
6680     "scroll up"
6681   },
6682   {
6683     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6684     -1, -1,     /* these values are not constant, but can change at runtime */
6685     SCREEN_CTRL_ID_SCROLL_DOWN,
6686     "scroll down"
6687   }
6688 };
6689
6690 static struct
6691 {
6692   int gfx_unpressed, gfx_pressed;
6693   int x, y;
6694   int width, height;
6695   int type;
6696   int gadget_id;
6697   char *infotext;
6698 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6699 {
6700   {
6701     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6702     -1, -1,     /* these values are not constant, but can change at runtime */
6703     -1, -1,     /* these values are not constant, but can change at runtime */
6704     GD_TYPE_SCROLLBAR_VERTICAL,
6705     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6706     "scroll level series vertically"
6707   }
6708 };
6709
6710 static void CreateScreenMenubuttons()
6711 {
6712   struct GadgetInfo *gi;
6713   unsigned int event_mask;
6714   int i;
6715
6716   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6717   {
6718     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6719     int gfx_unpressed, gfx_pressed;
6720     int x, y, width, height;
6721     int gd_x1, gd_x2, gd_y1, gd_y2;
6722     int id = menubutton_info[i].gadget_id;
6723
6724     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6725
6726     menubutton_info[i].get_gadget_position(&x, &y, id);
6727
6728     width = SC_MENUBUTTON_XSIZE;
6729     height = SC_MENUBUTTON_YSIZE;
6730
6731     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6732     gfx_pressed   = menubutton_info[i].gfx_pressed;
6733     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6734     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6735     gd_x1 = graphic_info[gfx_unpressed].src_x;
6736     gd_y1 = graphic_info[gfx_unpressed].src_y;
6737     gd_x2 = graphic_info[gfx_pressed].src_x;
6738     gd_y2 = graphic_info[gfx_pressed].src_y;
6739
6740     gi = CreateGadget(GDI_CUSTOM_ID, id,
6741                       GDI_CUSTOM_TYPE_ID, i,
6742                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6743                       GDI_X, x,
6744                       GDI_Y, y,
6745                       GDI_WIDTH, width,
6746                       GDI_HEIGHT, height,
6747                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6748                       GDI_STATE, GD_BUTTON_UNPRESSED,
6749                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6750                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6751                       GDI_DIRECT_DRAW, FALSE,
6752                       GDI_EVENT_MASK, event_mask,
6753                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6754                       GDI_END);
6755
6756     if (gi == NULL)
6757       Error(ERR_EXIT, "cannot create gadget");
6758
6759     screen_gadget[id] = gi;
6760   }
6761 }
6762
6763 static void CreateScreenScrollbuttons()
6764 {
6765   struct GadgetInfo *gi;
6766   unsigned int event_mask;
6767   int i;
6768
6769   /* these values are not constant, but can change at runtime */
6770   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6771   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6772   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6773   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6774
6775   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6776   {
6777     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6778     int gfx_unpressed, gfx_pressed;
6779     int x, y, width, height;
6780     int gd_x1, gd_x2, gd_y1, gd_y2;
6781     int id = scrollbutton_info[i].gadget_id;
6782
6783     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6784
6785     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6786     y = mSY + scrollbutton_info[i].y;
6787     width = SC_SCROLLBUTTON_XSIZE;
6788     height = SC_SCROLLBUTTON_YSIZE;
6789
6790     /* correct scrollbar position if placed outside menu (playfield) area */
6791     if (x > SX + SC_SCROLL_UP_XPOS)
6792       x = SX + SC_SCROLL_UP_XPOS;
6793
6794     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6795       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6796                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6797
6798     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6799     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6800     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6801     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6802     gd_x1 = graphic_info[gfx_unpressed].src_x;
6803     gd_y1 = graphic_info[gfx_unpressed].src_y;
6804     gd_x2 = graphic_info[gfx_pressed].src_x;
6805     gd_y2 = graphic_info[gfx_pressed].src_y;
6806
6807     gi = CreateGadget(GDI_CUSTOM_ID, id,
6808                       GDI_CUSTOM_TYPE_ID, i,
6809                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6810                       GDI_X, x,
6811                       GDI_Y, y,
6812                       GDI_WIDTH, width,
6813                       GDI_HEIGHT, height,
6814                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6815                       GDI_STATE, GD_BUTTON_UNPRESSED,
6816                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6817                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6818                       GDI_DIRECT_DRAW, FALSE,
6819                       GDI_EVENT_MASK, event_mask,
6820                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6821                       GDI_END);
6822
6823     if (gi == NULL)
6824       Error(ERR_EXIT, "cannot create gadget");
6825
6826     screen_gadget[id] = gi;
6827   }
6828 }
6829
6830 static void CreateScreenScrollbars()
6831 {
6832   int i;
6833
6834   /* these values are not constant, but can change at runtime */
6835   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6836   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6837   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6838   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6839
6840   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6841   {
6842     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6843     int gfx_unpressed, gfx_pressed;
6844     int x, y, width, height;
6845     int gd_x1, gd_x2, gd_y1, gd_y2;
6846     struct GadgetInfo *gi;
6847     int items_max, items_visible, item_position;
6848     unsigned int event_mask;
6849     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6850     int id = scrollbar_info[i].gadget_id;
6851
6852     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6853
6854     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6855     y = mSY + scrollbar_info[i].y;
6856     width  = scrollbar_info[i].width;
6857     height = scrollbar_info[i].height;
6858
6859     /* correct scrollbar position if placed outside menu (playfield) area */
6860     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6861       x = SX + SC_SCROLL_VERTICAL_XPOS;
6862
6863     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6864       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6865
6866     items_max = num_page_entries;
6867     items_visible = num_page_entries;
6868     item_position = 0;
6869
6870     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6871     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6872     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6873     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6874     gd_x1 = graphic_info[gfx_unpressed].src_x;
6875     gd_y1 = graphic_info[gfx_unpressed].src_y;
6876     gd_x2 = graphic_info[gfx_pressed].src_x;
6877     gd_y2 = graphic_info[gfx_pressed].src_y;
6878
6879     gi = CreateGadget(GDI_CUSTOM_ID, id,
6880                       GDI_CUSTOM_TYPE_ID, i,
6881                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6882                       GDI_X, x,
6883                       GDI_Y, y,
6884                       GDI_WIDTH, width,
6885                       GDI_HEIGHT, height,
6886                       GDI_TYPE, scrollbar_info[i].type,
6887                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6888                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6889                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6890                       GDI_WHEEL_AREA_X, SX,
6891                       GDI_WHEEL_AREA_Y, SY,
6892                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6893                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6894                       GDI_STATE, GD_BUTTON_UNPRESSED,
6895                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6896                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6897                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6898                       GDI_DIRECT_DRAW, FALSE,
6899                       GDI_EVENT_MASK, event_mask,
6900                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6901                       GDI_END);
6902
6903     if (gi == NULL)
6904       Error(ERR_EXIT, "cannot create gadget");
6905
6906     screen_gadget[id] = gi;
6907   }
6908 }
6909
6910 void CreateScreenGadgets()
6911 {
6912   CreateScreenMenubuttons();
6913
6914   CreateScreenScrollbuttons();
6915   CreateScreenScrollbars();
6916 }
6917
6918 void FreeScreenGadgets()
6919 {
6920   int i;
6921
6922   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6923     FreeGadget(screen_gadget[i]);
6924 }
6925
6926 void MapScreenMenuGadgets(int screen_mask)
6927 {
6928   int i;
6929
6930   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6931     if (screen_mask & menubutton_info[i].screen_mask)
6932       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6933 }
6934
6935 void MapScreenGadgets(int num_entries)
6936 {
6937   int i;
6938
6939   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6940     return;
6941
6942   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6943     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6944
6945   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6946     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6947 }
6948
6949 void MapScreenTreeGadgets(TreeInfo *ti)
6950 {
6951   MapScreenGadgets(numTreeInfoInGroup(ti));
6952 }
6953
6954 static void HandleScreenGadgets(struct GadgetInfo *gi)
6955 {
6956   int id = gi->custom_id;
6957   int button = gi->event.button;
6958   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6959
6960   switch (id)
6961   {
6962     case SCREEN_CTRL_ID_PREV_LEVEL:
6963       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6964       break;
6965
6966     case SCREEN_CTRL_ID_NEXT_LEVEL:
6967       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6968       break;
6969
6970     case SCREEN_CTRL_ID_PREV_PLAYER:
6971       HandleSetupScreen_Input_Player(step, -1);
6972       break;
6973
6974     case SCREEN_CTRL_ID_NEXT_PLAYER:
6975       HandleSetupScreen_Input_Player(step, +1);
6976       break;
6977
6978     case SCREEN_CTRL_ID_SCROLL_UP:
6979       if (game_status == GAME_MODE_LEVELS)
6980         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6981       else if (game_status == GAME_MODE_LEVELNR)
6982         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6983       else if (game_status == GAME_MODE_SETUP)
6984         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6985       else if (game_status == GAME_MODE_INFO)
6986         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6987       break;
6988
6989     case SCREEN_CTRL_ID_SCROLL_DOWN:
6990       if (game_status == GAME_MODE_LEVELS)
6991         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6992       else if (game_status == GAME_MODE_LEVELNR)
6993         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6994       else if (game_status == GAME_MODE_SETUP)
6995         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6996       else if (game_status == GAME_MODE_INFO)
6997         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6998       break;
6999
7000     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7001       if (game_status == GAME_MODE_LEVELS)
7002         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7003       else if (game_status == GAME_MODE_LEVELNR)
7004         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7005       else if (game_status == GAME_MODE_SETUP)
7006         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7007       else if (game_status == GAME_MODE_INFO)
7008         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7009       break;
7010
7011     default:
7012       break;
7013   }
7014 }