src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26 /* screens on the info screen */
  27 #define INFO_MODE_MAIN                  0
  28 #define INFO_MODE_TITLE                 1
  29 #define INFO_MODE_ELEMENTS              2
  30 #define INFO_MODE_MUSIC                 3
  31 #define INFO_MODE_CREDITS               4
  32 #define INFO_MODE_PROGRAM               5
  33 #define INFO_MODE_VERSION               6
  34 #define INFO_MODE_LEVELSET              7
  35
  36 #define MAX_INFO_MODES                  8
  37
  38 /* screens on the setup screen */
  39 /* (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h) */
  40 /* (should also match corresponding entries in src/conf_gfx.c) */
  41 #define SETUP_MODE_MAIN                 0
  42 #define SETUP_MODE_GAME                 1
  43 #define SETUP_MODE_EDITOR               2
  44 #define SETUP_MODE_GRAPHICS             3
  45 #define SETUP_MODE_SOUND                4
  46 #define SETUP_MODE_ARTWORK              5
  47 #define SETUP_MODE_INPUT                6
  48 #define SETUP_MODE_TOUCH                7
  49 #define SETUP_MODE_SHORTCUTS            8
  50 #define SETUP_MODE_SHORTCUTS_1          9
  51 #define SETUP_MODE_SHORTCUTS_2          10
  52 #define SETUP_MODE_SHORTCUTS_3          11
  53 #define SETUP_MODE_SHORTCUTS_4          12
  54 #define SETUP_MODE_SHORTCUTS_5          13
  55
  56 /* sub-screens on the setup screen (generic) */
  57 #define SETUP_MODE_CHOOSE_ARTWORK       14
  58 #define SETUP_MODE_CHOOSE_OTHER         15
  59
  60 /* sub-screens on the setup screen (specific) */
  61 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  62 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  63 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
  64 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   19
  65 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
  66 #define SETUP_MODE_CHOOSE_RENDERING     21
  67 #define SETUP_MODE_CHOOSE_GRAPHICS      22
  68 #define SETUP_MODE_CHOOSE_SOUNDS        23
  69 #define SETUP_MODE_CHOOSE_MUSIC         24
  70 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 25
  71 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  26
  72 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  27
  73 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 28
  74 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 29
  75 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 30
  76
  77 #define MAX_SETUP_MODES                 31
  78
  79 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  80
  81 /* for input setup functions */
  82 #define SETUPINPUT_SCREEN_POS_START     0
  83 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
  84 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
  85 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
  86
  87 /* for various menu stuff  */
  88 #define MENU_SCREEN_START_XPOS          1
  89 #define MENU_SCREEN_START_YPOS          2
  90 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
  91 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
  92 #define MENU_TITLE1_YPOS                8
  93 #define MENU_TITLE2_YPOS                46
  94 #define MENU_SCREEN_INFO_XSTART         16
  95 #define MENU_SCREEN_INFO_YSTART1        100
  96 #define MENU_SCREEN_INFO_YSTART2        128
  97 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
  98 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - 20)
  99 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 100                                          MENU_SCREEN_INFO_YSTART2 -     \
 101                                          TILEY / 2)
 102 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 103 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 104                                          MENU_SCREEN_INFO_YSTEP)
 105 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 106   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 107    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 108    MAX_MENU_ENTRIES_ON_SCREEN)
 109 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 110                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 111                                             NUM_INFO_ELEMENTS_FROM_CONF)
 112 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 113 #define MAX_MENU_TEXT_LENGTH_BIG        13
 114 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 115
 116 /* buttons and scrollbars identifiers */
 117 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 118 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 119 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 120 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 121 #define SCREEN_CTRL_ID_SCROLL_UP        4
 122 #define SCREEN_CTRL_ID_SCROLL_DOWN      5
 123 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  6
 124
 125 #define NUM_SCREEN_GADGETS              7
 126
 127 #define NUM_SCREEN_MENUBUTTONS          4
 128 #define NUM_SCREEN_SCROLLBUTTONS        2
 129 #define NUM_SCREEN_SCROLLBARS           1
 130
 131 #define SCREEN_MASK_MAIN                (1 << 0)
 132 #define SCREEN_MASK_INPUT               (1 << 1)
 133
 134 /* graphic position and size values for buttons and scrollbars */
 135 #define SC_MENUBUTTON_XSIZE             TILEX
 136 #define SC_MENUBUTTON_YSIZE             TILEY
 137
 138 #define SC_SCROLLBUTTON_XSIZE           TILEX
 139 #define SC_SCROLLBUTTON_YSIZE           TILEY
 140
 141 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 142
 143 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 144 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 145                                          SC_SCROLLBUTTON_YSIZE)
 146
 147 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 148 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 149
 150 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 151 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 152                                          SC_SCROLLBUTTON_YSIZE)
 153
 154 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 155 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 156                                          SC_SCROLL_VERTICAL_YSIZE)
 157
 158 #define SC_BORDER_SIZE                  14
 159
 160
 161 /* forward declarations of internal functions */
 162 static void HandleScreenGadgets(struct GadgetInfo *);
 163 static void HandleSetupScreen_Generic(int, int, int, int, int);
 164 static void HandleSetupScreen_Input(int, int, int, int, int);
 165 static void CustomizeKeyboard(int);
 166 static void CalibrateJoystick(int);
 167 static void execSetupGame(void);
 168 static void execSetupGraphics(void);
 169 static void execSetupSound(void);
 170 static void execSetupTouch(void);
 171 static void execSetupArtwork(void);
 172 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 173
 174 static void DrawChooseLevelSet(void);
 175 static void DrawChooseLevelNr(void);
 176 static void DrawInfoScreen(void);
 177 static void DrawSetupScreen(void);
 178
 179 static void DrawInfoScreen_NotAvailable(char *, char *);
 180 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 181 static void DrawInfoScreen_HelpText(int, int, int, int);
 182 static void HandleInfoScreen_Main(int, int, int, int, int);
 183 static void HandleInfoScreen_TitleScreen(int);
 184 static void HandleInfoScreen_Elements(int);
 185 static void HandleInfoScreen_Music(int);
 186 static void HandleInfoScreen_Credits(int);
 187 static void HandleInfoScreen_Program(int);
 188 static void HandleInfoScreen_Version(int);
 189
 190 static void MapScreenMenuGadgets(int);
 191 static void MapScreenGadgets(int);
 192 static void MapScreenTreeGadgets(TreeInfo *);
 193
 194 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 195
 196 static int info_mode = INFO_MODE_MAIN;
 197 static int setup_mode = SETUP_MODE_MAIN;
 198
 199 static TreeInfo *window_sizes = NULL;
 200 static TreeInfo *window_size_current = NULL;
 201
 202 static TreeInfo *scaling_types = NULL;
 203 static TreeInfo *scaling_type_current = NULL;
 204
 205 static TreeInfo *rendering_modes = NULL;
 206 static TreeInfo *rendering_mode_current = NULL;
 207
 208 static TreeInfo *scroll_delays = NULL;
 209 static TreeInfo *scroll_delay_current = NULL;
 210
 211 static TreeInfo *snapshot_modes = NULL;
 212 static TreeInfo *snapshot_mode_current = NULL;
 213
 214 static TreeInfo *game_speeds = NULL;
 215 static TreeInfo *game_speed_current = NULL;
 216
 217 static TreeInfo *volumes_simple = NULL;
 218 static TreeInfo *volume_simple_current = NULL;
 219
 220 static TreeInfo *volumes_loops = NULL;
 221 static TreeInfo *volume_loops_current = NULL;
 222
 223 static TreeInfo *volumes_music = NULL;
 224 static TreeInfo *volume_music_current = NULL;
 225
 226 static TreeInfo *touch_controls = NULL;
 227 static TreeInfo *touch_control_current = NULL;
 228
 229 static TreeInfo *move_distances = NULL;
 230 static TreeInfo *move_distance_current = NULL;
 231
 232 static TreeInfo *drop_distances = NULL;
 233 static TreeInfo *drop_distance_current = NULL;
 234
 235 static TreeInfo *level_number = NULL;
 236 static TreeInfo *level_number_current = NULL;
 237
 238 static struct
 239 {
 240   int value;
 241   char *text;
 242 } window_sizes_list[] =
 243 {
 244   {     50,     "50 %"                          },
 245   {     80,     "80 %"                          },
 246   {     90,     "90 %"                          },
 247   {     100,    "100 % (Default)"               },
 248   {     110,    "110 %"                         },
 249   {     120,    "120 %"                         },
 250   {     130,    "130 %"                         },
 251   {     140,    "140 %"                         },
 252   {     150,    "150 %"                         },
 253   {     200,    "200 %"                         },
 254   {     250,    "250 %"                         },
 255   {     300,    "300 %"                         },
 256
 257   {     -1,     NULL                            },
 258 };
 259
 260 static struct
 261 {
 262   char *value;
 263   char *text;
 264 } scaling_types_list[] =
 265 {
 266   {     SCALING_QUALITY_NEAREST, "None"         },
 267   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 268   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 269
 270   {     NULL,                    NULL           },
 271 };
 272
 273 static struct
 274 {
 275   char *value;
 276   char *text;
 277 } rendering_modes_list[] =
 278 {
 279   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 280   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 281 #if DEBUG
 282   // this mode may work under certain conditions, but does not work on Windows
 283   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 284 #endif
 285   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 286
 287   {     NULL,                            NULL                            },
 288 };
 289
 290 static struct
 291 {
 292   int value;
 293   char *text;
 294 } game_speeds_list[] =
 295 {
 296 #if 1
 297   {     30,     "Very Slow"                     },
 298   {     25,     "Slow"                          },
 299   {     20,     "Normal"                        },
 300   {     15,     "Fast"                          },
 301   {     10,     "Very Fast"                     },
 302 #else
 303   {     1000,   "1/1s (Extremely Slow)"         },
 304   {     500,    "1/2s"                          },
 305   {     200,    "1/5s"                          },
 306   {     100,    "1/10s"                         },
 307   {     50,     "1/20s"                         },
 308   {     29,     "1/35s (Original Supaplex)"     },
 309   {     25,     "1/40s"                         },
 310   {     20,     "1/50s (Normal Speed)"          },
 311   {     14,     "1/70s (Maximum Supaplex)"      },
 312   {     10,     "1/100s"                        },
 313   {     5,      "1/200s"                        },
 314   {     2,      "1/500s"                        },
 315   {     1,      "1/1000s (Extremely Fast)"      },
 316 #endif
 317
 318   {     -1,     NULL                            },
 319 };
 320
 321 static struct
 322 {
 323   int value;
 324   char *text;
 325 } scroll_delays_list[] =
 326 {
 327   {     0,      "0 Tiles (No Scroll Delay)"     },
 328   {     1,      "1 Tile"                        },
 329   {     2,      "2 Tiles"                       },
 330   {     3,      "3 Tiles (Default)"             },
 331   {     4,      "4 Tiles"                       },
 332   {     5,      "5 Tiles"                       },
 333   {     6,      "6 Tiles"                       },
 334   {     7,      "7 Tiles"                       },
 335   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 336
 337   {     -1,     NULL                            },
 338 };
 339
 340 static struct
 341 {
 342   char *value;
 343   char *text;
 344 } snapshot_modes_list[] =
 345 {
 346   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 347   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 348   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 349   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 350
 351   {     NULL,                                   NULL            },
 352 };
 353
 354 static struct
 355 {
 356   int value;
 357   char *text;
 358 } volumes_list[] =
 359 {
 360   {     0,      "0 %"                           },
 361   {     1,      "1 %"                           },
 362   {     2,      "2 %"                           },
 363   {     5,      "5 %"                           },
 364   {     10,     "10 %"                          },
 365   {     20,     "20 %"                          },
 366   {     30,     "30 %"                          },
 367   {     40,     "40 %"                          },
 368   {     50,     "50 %"                          },
 369   {     60,     "60 %"                          },
 370   {     70,     "70 %"                          },
 371   {     80,     "80 %"                          },
 372   {     90,     "90 %"                          },
 373   {     100,    "100 %"                         },
 374
 375   {     -1,     NULL                            },
 376 };
 377
 378 static struct
 379 {
 380   char *value;
 381   char *text;
 382 } touch_controls_list[] =
 383 {
 384   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 385   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 386   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 387
 388   {     NULL,                           NULL                    },
 389 };
 390
 391 static struct
 392 {
 393   int value;
 394   char *text;
 395 } distances_list[] =
 396 {
 397   {     1,      "1 %"                           },
 398   {     2,      "2 %"                           },
 399   {     3,      "3 %"                           },
 400   {     4,      "4 %"                           },
 401   {     5,      "5 %"                           },
 402   {     10,     "10 %"                          },
 403   {     15,     "15 %"                          },
 404   {     20,     "20 %"                          },
 405   {     25,     "25 %"                          },
 406
 407   {     -1,     NULL                            },
 408 };
 409
 410 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 411                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 412                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 413                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 414
 415 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 416 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 417                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 418                                  INFO_MODE_MAIN)
 419
 420 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 421                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 422                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 423                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 424                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 425                                  SETUP_MODE_CHOOSE_OTHER)
 426
 427 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 428                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 429                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 430 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 431                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 432                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 433
 434 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 435                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 436                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 437 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 438                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 439                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 440
 441 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 442                                  DRAW_XOFFSET_INFO(info_mode) :         \
 443                                  (s) == GAME_MODE_SETUP ?               \
 444                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 445                                  menu.draw_xoffset[DRAW_MODE(s)])
 446 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 447                                  DRAW_YOFFSET_INFO(info_mode) :         \
 448                                  (s) == GAME_MODE_SETUP ?               \
 449                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 450                                  menu.draw_yoffset[DRAW_MODE(s)])
 451
 452 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 453 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 454
 455 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 456                                     menu.list_size[game_status] :       \
 457                                     MAX_MENU_ENTRIES_ON_SCREEN)
 458
 459 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 460                                          NUM_MENU_ENTRIES_ON_SCREEN)
 461
 462
 463 /* title display and control definitions */
 464
 465 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 466                                  2 * MAX_NUM_TITLE_MESSAGES)
 467
 468 #define NO_DIRECT_LEVEL_SELECT  (-1)
 469
 470
 471 static int num_title_screens = 0;
 472
 473 struct TitleControlInfo
 474 {
 475   boolean is_image;
 476   boolean initial;
 477   boolean first;
 478   int local_nr;
 479   int sort_priority;
 480 };
 481
 482 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 483
 484 /* main menu display and control definitions */
 485
 486 #define MAIN_CONTROL_NAME                       0
 487 #define MAIN_CONTROL_LEVELS                     1
 488 #define MAIN_CONTROL_SCORES                     2
 489 #define MAIN_CONTROL_EDITOR                     3
 490 #define MAIN_CONTROL_INFO                       4
 491 #define MAIN_CONTROL_GAME                       5
 492 #define MAIN_CONTROL_SETUP                      6
 493 #define MAIN_CONTROL_QUIT                       7
 494 #define MAIN_CONTROL_PREV_LEVEL                 8
 495 #define MAIN_CONTROL_NEXT_LEVEL                 9
 496 #define MAIN_CONTROL_FIRST_LEVEL                10
 497 #define MAIN_CONTROL_LAST_LEVEL                 11
 498 #define MAIN_CONTROL_LEVEL_NUMBER               12
 499 #define MAIN_CONTROL_LEVEL_INFO_1               13
 500 #define MAIN_CONTROL_LEVEL_INFO_2               14
 501 #define MAIN_CONTROL_LEVEL_NAME                 15
 502 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 503 #define MAIN_CONTROL_LEVEL_YEAR                 17
 504 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 505 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 506 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 507 #define MAIN_CONTROL_TITLE_1                    21
 508 #define MAIN_CONTROL_TITLE_2                    22
 509 #define MAIN_CONTROL_TITLE_3                    23
 510
 511 static char str_main_text_name[10];
 512 static char str_main_text_first_level[10];
 513 static char str_main_text_last_level[10];
 514 static char str_main_text_level_number[10];
 515
 516 static char *main_text_name                     = str_main_text_name;
 517 static char *main_text_first_level              = str_main_text_first_level;
 518 static char *main_text_last_level               = str_main_text_last_level;
 519 static char *main_text_level_number             = str_main_text_level_number;
 520 static char *main_text_levels                   = "Levelset";
 521 static char *main_text_scores                   = "Hall Of Fame";
 522 static char *main_text_editor                   = "Level Creator";
 523 static char *main_text_info                     = "Info Screen";
 524 static char *main_text_game                     = "Start Game";
 525 static char *main_text_setup                    = "Setup";
 526 static char *main_text_quit                     = "Quit";
 527 static char *main_text_level_name               = level.name;
 528 static char *main_text_level_author             = level.author;
 529 static char *main_text_level_year               = NULL;
 530 static char *main_text_level_imported_from      = NULL;
 531 static char *main_text_level_imported_by        = NULL;
 532 static char *main_text_level_tested_by          = NULL;
 533
 534 struct MainControlInfo
 535 {
 536   int nr;
 537
 538   struct MenuPosInfo *pos_button;
 539   int button_graphic;
 540
 541   struct TextPosInfo *pos_text;
 542   char **text;
 543
 544   struct TextPosInfo *pos_input;
 545   char **input;
 546 };
 547
 548 static struct MainControlInfo main_controls[] =
 549 {
 550   {
 551     MAIN_CONTROL_NAME,
 552     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 553     &menu.main.text.name,               &main_text_name,
 554     &menu.main.input.name,              &setup.player_name,
 555   },
 556   {
 557     MAIN_CONTROL_LEVELS,
 558     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 559     &menu.main.text.levels,             &main_text_levels,
 560     NULL,                               NULL,
 561   },
 562   {
 563     MAIN_CONTROL_SCORES,
 564     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 565     &menu.main.text.scores,             &main_text_scores,
 566     NULL,                               NULL,
 567   },
 568   {
 569     MAIN_CONTROL_EDITOR,
 570     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 571     &menu.main.text.editor,             &main_text_editor,
 572     NULL,                               NULL,
 573   },
 574   {
 575     MAIN_CONTROL_INFO,
 576     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 577     &menu.main.text.info,               &main_text_info,
 578     NULL,                               NULL,
 579   },
 580   {
 581     MAIN_CONTROL_GAME,
 582     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 583     &menu.main.text.game,               &main_text_game,
 584     NULL,                               NULL,
 585   },
 586   {
 587     MAIN_CONTROL_SETUP,
 588     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 589     &menu.main.text.setup,              &main_text_setup,
 590     NULL,                               NULL,
 591   },
 592   {
 593     MAIN_CONTROL_QUIT,
 594     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 595     &menu.main.text.quit,               &main_text_quit,
 596     NULL,                               NULL,
 597   },
 598 #if 0
 599   /* (these two buttons are real gadgets) */
 600   {
 601     MAIN_CONTROL_PREV_LEVEL,
 602     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 603     NULL,                               NULL,
 604     NULL,                               NULL,
 605   },
 606   {
 607     MAIN_CONTROL_NEXT_LEVEL,
 608     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 609     NULL,                               NULL,
 610     NULL,                               NULL,
 611   },
 612 #endif
 613   {
 614     MAIN_CONTROL_FIRST_LEVEL,
 615     NULL,                               -1,
 616     &menu.main.text.first_level,        &main_text_first_level,
 617     NULL,                               NULL,
 618   },
 619   {
 620     MAIN_CONTROL_LAST_LEVEL,
 621     NULL,                               -1,
 622     &menu.main.text.last_level,         &main_text_last_level,
 623     NULL,                               NULL,
 624   },
 625   {
 626     MAIN_CONTROL_LEVEL_NUMBER,
 627     NULL,                               -1,
 628     &menu.main.text.level_number,       &main_text_level_number,
 629     NULL,                               NULL,
 630   },
 631   {
 632     MAIN_CONTROL_LEVEL_INFO_1,
 633     NULL,                               -1,
 634     &menu.main.text.level_info_1,       NULL,
 635     NULL,                               NULL,
 636   },
 637   {
 638     MAIN_CONTROL_LEVEL_INFO_2,
 639     NULL,                               -1,
 640     &menu.main.text.level_info_2,       NULL,
 641     NULL,                               NULL,
 642   },
 643   {
 644     MAIN_CONTROL_LEVEL_NAME,
 645     NULL,                               -1,
 646     &menu.main.text.level_name,         &main_text_level_name,
 647     NULL,                               NULL,
 648   },
 649   {
 650     MAIN_CONTROL_LEVEL_AUTHOR,
 651     NULL,                               -1,
 652     &menu.main.text.level_author,       &main_text_level_author,
 653     NULL,                               NULL,
 654   },
 655   {
 656     MAIN_CONTROL_LEVEL_YEAR,
 657     NULL,                               -1,
 658     &menu.main.text.level_year,         &main_text_level_year,
 659     NULL,                               NULL,
 660   },
 661   {
 662     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 663     NULL,                               -1,
 664     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 665     NULL,                               NULL,
 666   },
 667   {
 668     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 669     NULL,                               -1,
 670     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 671     NULL,                               NULL,
 672   },
 673   {
 674     MAIN_CONTROL_LEVEL_TESTED_BY,
 675     NULL,                               -1,
 676     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 677     NULL,                               NULL,
 678   },
 679   {
 680     MAIN_CONTROL_TITLE_1,
 681     NULL,                               -1,
 682     &menu.main.text.title_1,            &setup.internal.program_title,
 683     NULL,                               NULL,
 684   },
 685   {
 686     MAIN_CONTROL_TITLE_2,
 687     NULL,                               -1,
 688     &menu.main.text.title_2,            &setup.internal.program_copyright,
 689     NULL,                               NULL,
 690   },
 691   {
 692     MAIN_CONTROL_TITLE_3,
 693     NULL,                               -1,
 694     &menu.main.text.title_3,            &setup.internal.program_company,
 695     NULL,                               NULL,
 696   },
 697
 698   {
 699     -1,
 700     NULL,                               -1,
 701     NULL,                               NULL,
 702     NULL,                               NULL,
 703   }
 704 };
 705
 706
 707 static int getTitleScreenGraphic(int nr, boolean initial)
 708 {
 709   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 710 }
 711
 712 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 713 {
 714   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 715 }
 716
 717 #if 0
 718 static int getTitleScreenGameMode(boolean initial)
 719 {
 720   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 721 }
 722 #endif
 723
 724 static int getTitleMessageGameMode(boolean initial)
 725 {
 726   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 727 }
 728
 729 static int getTitleAnimMode(struct TitleControlInfo *tci)
 730 {
 731   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 732
 733   return base + tci->local_nr;
 734 }
 735
 736 #if 0
 737 static int getTitleScreenBackground(boolean initial)
 738 {
 739   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 740 }
 741 #endif
 742
 743 #if 0
 744 static int getTitleMessageBackground(int nr, boolean initial)
 745 {
 746   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 747 }
 748 #endif
 749
 750 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 751 {
 752   int base = (is_image ?
 753               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 754                          IMG_BACKGROUND_TITLESCREEN_1) :
 755               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 756                          IMG_BACKGROUND_TITLEMESSAGE_1));
 757   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 758                                   IMG_BACKGROUND_TITLE);
 759   int graphic_local = base + nr;
 760
 761   if (graphic_info[graphic_local].bitmap != NULL)
 762     return graphic_local;
 763
 764   if (graphic_info[graphic_global].bitmap != NULL)
 765     return graphic_global;
 766
 767   return IMG_UNDEFINED;
 768 }
 769
 770 static int getTitleSound(struct TitleControlInfo *tci)
 771 {
 772   boolean is_image = tci->is_image;
 773   int initial = tci->initial;
 774   int nr = tci->local_nr;
 775   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 776   int base = (is_image ?
 777               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 778                          SND_BACKGROUND_TITLESCREEN_1) :
 779               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 780                          SND_BACKGROUND_TITLEMESSAGE_1));
 781   int sound_global = menu.sound[mode];
 782   int sound_local = base + nr;
 783
 784 #if 0
 785   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 786          nr, initial, is_image,
 787          sound_global, getSoundListEntry(sound_global)->filename,
 788          sound_local, getSoundListEntry(sound_local)->filename);
 789 #endif
 790
 791   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 792     return sound_local;
 793
 794   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 795     return sound_global;
 796
 797   return SND_UNDEFINED;
 798 }
 799
 800 static int getTitleMusic(struct TitleControlInfo *tci)
 801 {
 802   boolean is_image = tci->is_image;
 803   int initial = tci->initial;
 804   int nr = tci->local_nr;
 805   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 806   int base = (is_image ?
 807               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 808                          MUS_BACKGROUND_TITLESCREEN_1) :
 809               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 810                          MUS_BACKGROUND_TITLEMESSAGE_1));
 811   int music_global = menu.music[mode];
 812   int music_local = base + nr;
 813
 814 #if 0
 815   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 816          nr, initial, is_image,
 817          music_global, getMusicListEntry(music_global)->filename,
 818          music_local, getMusicListEntry(music_local)->filename);
 819 #endif
 820
 821   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 822     return music_local;
 823
 824   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 825     return music_global;
 826
 827   return MUS_UNDEFINED;
 828 }
 829
 830 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 831 {
 832   boolean is_image = tci->is_image;
 833   boolean initial = tci->initial;
 834   boolean first = tci->first;
 835   int nr = tci->local_nr;
 836   struct TitleMessageInfo tmi;
 837   struct TitleFadingInfo ti;
 838
 839   tmi = (is_image ? (initial ? (first ?
 840                                 titlescreen_initial_first[nr] :
 841                                 titlescreen_initial[nr])
 842                              : (first ?
 843                                 titlescreen_first[nr] :
 844                                 titlescreen[nr]))
 845                   : (initial ? (first ?
 846                                 titlemessage_initial_first[nr] :
 847                                 titlemessage_initial[nr])
 848                              : (first ?
 849                                 titlemessage_first[nr] :
 850                                 titlemessage[nr])));
 851
 852   ti.fade_mode  = tmi.fade_mode;
 853   ti.fade_delay = tmi.fade_delay;
 854   ti.post_delay = tmi.post_delay;
 855   ti.auto_delay = tmi.auto_delay;
 856
 857   return ti;
 858 }
 859
 860 static int compareTitleControlInfo(const void *object1, const void *object2)
 861 {
 862   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 863   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 864   int compare_result;
 865
 866   if (tci1->initial != tci2->initial)
 867     compare_result = (tci1->initial ? -1 : +1);
 868   else if (tci1->sort_priority != tci2->sort_priority)
 869     compare_result = tci1->sort_priority - tci2->sort_priority;
 870   else if (tci1->is_image != tci2->is_image)
 871     compare_result = (tci1->is_image ? -1 : +1);
 872   else
 873     compare_result = tci1->local_nr - tci2->local_nr;
 874
 875   return compare_result;
 876 }
 877
 878 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 879                                                     boolean initial,
 880                                                     int nr, int sort_priority)
 881 {
 882   title_controls[num_title_screens].is_image = is_image;
 883   title_controls[num_title_screens].initial = initial;
 884   title_controls[num_title_screens].local_nr = nr;
 885   title_controls[num_title_screens].sort_priority = sort_priority;
 886
 887   title_controls[num_title_screens].first = FALSE;      /* will be set later */
 888
 889   num_title_screens++;
 890 }
 891
 892 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 893 {
 894   int i;
 895
 896   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 897   {
 898     int graphic = getTitleScreenGraphic(i, initial);
 899     Bitmap *bitmap = graphic_info[graphic].bitmap;
 900     int sort_priority = graphic_info[graphic].sort_priority;
 901
 902     if (bitmap != NULL)
 903       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 904   }
 905
 906   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 907   {
 908     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 909     char *filename = getLevelSetTitleMessageFilename(i, initial);
 910     int sort_priority = tmi->sort_priority;
 911
 912     if (filename != NULL)
 913       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 914   }
 915 }
 916
 917 static void InitializeTitleControls(boolean show_title_initial)
 918 {
 919   num_title_screens = 0;
 920
 921   /* 1st step: initialize title screens for game start (only when starting) */
 922   if (show_title_initial)
 923     InitializeTitleControls_CheckTitleInfo(TRUE);
 924
 925   /* 2nd step: initialize title screens for current level set */
 926   InitializeTitleControls_CheckTitleInfo(FALSE);
 927
 928   /* sort title screens according to sort_priority and title number */
 929   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 930         compareTitleControlInfo);
 931
 932   /* mark first title screen */
 933   title_controls[0].first = TRUE;
 934 }
 935
 936 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 937 {
 938   return (pos != NULL && pos->x != -1 && pos->y != -1);
 939 }
 940
 941 static boolean visibleTextPos(struct TextPosInfo *pos)
 942 {
 943   return (pos != NULL && pos->x != -1 && pos->y != -1);
 944 }
 945
 946 static void InitializeMainControls()
 947 {
 948   boolean local_team_mode = (!options.network && setup.team_mode);
 949   int i;
 950
 951   /* set main control text values to dynamically determined values */
 952   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 953
 954   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 955                                          menu.main.text.first_level.size));
 956   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 957                                          menu.main.text.last_level.size));
 958   strcpy(main_text_level_number, int2str(level_nr,
 959                                          menu.main.text.level_number.size));
 960
 961   main_text_level_year          = leveldir_current->year;
 962   main_text_level_imported_from = leveldir_current->imported_from;
 963   main_text_level_imported_by   = leveldir_current->imported_by;
 964   main_text_level_tested_by     = leveldir_current->tested_by;
 965
 966   /* set main control screen positions to dynamically determined values */
 967   for (i = 0; main_controls[i].nr != -1; i++)
 968   {
 969     struct MainControlInfo *mci = &main_controls[i];
 970     int nr                         = mci->nr;
 971     struct MenuPosInfo *pos_button = mci->pos_button;
 972     struct TextPosInfo *pos_text   = mci->pos_text;
 973     struct TextPosInfo *pos_input  = mci->pos_input;
 974     char *text                     = (mci->text  ? *mci->text  : NULL);
 975     char *input                    = (mci->input ? *mci->input : NULL);
 976     int button_graphic             = mci->button_graphic;
 977     int font_text                  = (pos_text  ? pos_text->font  : -1);
 978     int font_input                 = (pos_input ? pos_input->font : -1);
 979
 980     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 981     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 982     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 983     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 984     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 985     int input_chars = (input != NULL ? strlen(input) : 0);
 986
 987     int button_width =
 988       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 989     int button_height =
 990       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 991     int text_width   = font_text_width * text_chars;
 992     int text_height  = font_text_height;
 993     int input_width  = font_input_width * input_chars;
 994     int input_height = font_input_height;
 995
 996     if (nr == MAIN_CONTROL_NAME)
 997     {
 998       menu.main.input.name.width  = input_width;
 999       menu.main.input.name.height = input_height;
1000     }
1001
1002     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
1003     {
1004       pos_button->width  = button_width;
1005       pos_button->height = button_height;
1006     }
1007
1008     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1009     {
1010       /* calculate size for non-clickable text -- needed for text alignment */
1011       boolean calculate_text_size = (pos_button == NULL && text != NULL);
1012
1013       if (pos_text->width == -1 || calculate_text_size)
1014         pos_text->width = text_width;
1015       if (pos_text->height == -1 || calculate_text_size)
1016         pos_text->height = text_height;
1017
1018       if (visibleMenuPos(pos_button))
1019       {
1020         if (pos_text->x == -1)
1021           pos_text->x = pos_button->x + pos_button->width;
1022         if (pos_text->y == -1)
1023           pos_text->y =
1024             pos_button->y + (pos_button->height - pos_text->height) / 2;
1025       }
1026     }
1027
1028     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1029     {
1030       if (visibleTextPos(pos_text))
1031       {
1032         if (pos_input->x == -1)
1033           pos_input->x = pos_text->x + pos_text->width;
1034         if (pos_input->y == -1)
1035           pos_input->y = pos_text->y;
1036       }
1037
1038       if (pos_input->width == -1)
1039         pos_input->width = input_width;
1040       if (pos_input->height == -1)
1041         pos_input->height = input_height;
1042     }
1043   }
1044 }
1045
1046 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1047                                        int graphic, boolean pressed)
1048 {
1049   struct GraphicInfo *g = &graphic_info[graphic];
1050   Bitmap *src_bitmap;
1051   int src_x, src_y;
1052   int xoffset = (pressed ? g->pressed_xoffset : 0);
1053   int yoffset = (pressed ? g->pressed_yoffset : 0);
1054
1055   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1056
1057   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1058                    g->width, g->height, dst_x, dst_y);
1059 }
1060
1061 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1062                                        boolean active_input,
1063                                        boolean pressed_button)
1064 {
1065   int i;
1066
1067   for (i = 0; main_controls[i].nr != -1; i++)
1068   {
1069     struct MainControlInfo *mci = &main_controls[i];
1070
1071     if (mci->nr == nr || nr == -1)
1072     {
1073       struct MenuPosInfo *pos_button = mci->pos_button;
1074       struct TextPosInfo *pos_text   = mci->pos_text;
1075       struct TextPosInfo *pos_input  = mci->pos_input;
1076       char *text                     = (mci->text  ? *mci->text  : NULL);
1077       char *input                    = (mci->input ? *mci->input : NULL);
1078       int button_graphic             = mci->button_graphic;
1079       int font_text                  = (pos_text  ? pos_text->font  : -1);
1080       int font_input                 = (pos_input ? pos_input->font : -1);
1081
1082       if (active_text)
1083       {
1084         button_graphic = BUTTON_ACTIVE(button_graphic);
1085         font_text = FONT_ACTIVE(font_text);
1086       }
1087
1088       if (active_input)
1089       {
1090         font_input = FONT_ACTIVE(font_input);
1091       }
1092
1093       if (visibleMenuPos(pos_button))
1094       {
1095         struct MenuPosInfo *pos = pos_button;
1096         int x = mSX + pos->x;
1097         int y = mSY + pos->y;
1098
1099         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1100         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1101       }
1102
1103       if (visibleTextPos(pos_text) && text != NULL)
1104       {
1105         struct TextPosInfo *pos = pos_text;
1106         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1107         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1108
1109 #if 1
1110         /* (check why/if this is needed) */
1111         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1112 #endif
1113         DrawText(x, y, text, font_text);
1114       }
1115
1116       if (visibleTextPos(pos_input) && input != NULL)
1117       {
1118         struct TextPosInfo *pos = pos_input;
1119         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1120         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1121
1122 #if 1
1123         /* (check why/if this is needed) */
1124         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1125 #endif
1126         DrawText(x, y, input, font_input);
1127       }
1128     }
1129   }
1130 }
1131
1132 static void DrawCursorAndText_Main(int nr, boolean active_text,
1133                                    boolean pressed_button)
1134 {
1135   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1136 }
1137
1138 #if 0
1139 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1140                                          boolean pressed_button)
1141 {
1142   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1143 }
1144 #endif
1145
1146 static struct MainControlInfo *getMainControlInfo(int nr)
1147 {
1148   int i;
1149
1150   for (i = 0; main_controls[i].nr != -1; i++)
1151     if (main_controls[i].nr == nr)
1152       return &main_controls[i];
1153
1154   return NULL;
1155 }
1156
1157 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1158 {
1159   if (rect == NULL)
1160     return FALSE;
1161
1162   int rect_x = ALIGNED_TEXT_XPOS(rect);
1163   int rect_y = ALIGNED_TEXT_YPOS(rect);
1164
1165   return (x >= rect_x && x < rect_x + rect->width &&
1166           y >= rect_y && y < rect_y + rect->height);
1167 }
1168
1169 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1170 {
1171   if (rect == NULL)
1172     return FALSE;
1173
1174   int rect_x = ALIGNED_TEXT_XPOS(rect);
1175   int rect_y = ALIGNED_TEXT_YPOS(rect);
1176
1177 #if 0
1178   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1179          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1180          (x >= rect_x && x < rect_x + rect->width &&
1181           y >= rect_y && y < rect_y + rect->height));
1182 #endif
1183
1184   return (x >= rect_x && x < rect_x + rect->width &&
1185           y >= rect_y && y < rect_y + rect->height);
1186 }
1187
1188 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1189 {
1190   int rect_width  = preview->xsize * preview->tile_size;
1191   int rect_height = preview->ysize * preview->tile_size;
1192   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1193   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1194
1195   return (x >= rect_x && x < rect_x + rect_width &&
1196           y >= rect_y && y < rect_y + rect_height);
1197 }
1198
1199 static void AdjustScrollbar(int id, int items_max, int items_visible,
1200                             int item_position)
1201 {
1202   struct GadgetInfo *gi = screen_gadget[id];
1203
1204   if (item_position > items_max - items_visible)
1205     item_position = items_max - items_visible;
1206
1207   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1208                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1209                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1210 }
1211
1212 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1213 {
1214   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1215                   first_entry);
1216 }
1217
1218 static void clearMenuListArea()
1219 {
1220   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1221
1222   /* correct scrollbar position if placed outside menu (playfield) area */
1223   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1224     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1225
1226   /* clear menu list area, but not title or scrollbar */
1227   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1228                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1229 }
1230
1231 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1232 {
1233   static int cursor_array[MAX_LEV_FIELDY];
1234   int x = mSX + TILEX * xpos;
1235   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1236
1237   if (xpos == 0)
1238   {
1239     if (graphic != -1)
1240       cursor_array[ypos] = graphic;
1241     else
1242       graphic = cursor_array[ypos];
1243   }
1244
1245   if (active)
1246     graphic = BUTTON_ACTIVE(graphic);
1247
1248   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1249   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1250 }
1251
1252 static void initCursor(int ypos, int graphic)
1253 {
1254   drawCursorExt(0, ypos, FALSE, graphic);
1255 }
1256
1257 static void drawCursor(int ypos, boolean active)
1258 {
1259   drawCursorExt(0, ypos, active, -1);
1260 }
1261
1262 static void drawCursorXY(int xpos, int ypos, int graphic)
1263 {
1264   drawCursorExt(xpos, ypos, FALSE, graphic);
1265 }
1266
1267 static void drawChooseTreeCursor(int ypos, boolean active)
1268 {
1269   drawCursorExt(0, ypos, active, -1);
1270 }
1271
1272 void DrawHeadline()
1273 {
1274   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, getProgramTitleString());
1275   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
1276                     setup.internal.program_copyright);
1277 }
1278
1279 void DrawTitleScreenImage(int nr, boolean initial)
1280 {
1281   int graphic = getTitleScreenGraphic(nr, initial);
1282   Bitmap *bitmap = graphic_info[graphic].bitmap;
1283   int width  = graphic_info[graphic].width;
1284   int height = graphic_info[graphic].height;
1285   int src_x = graphic_info[graphic].src_x;
1286   int src_y = graphic_info[graphic].src_y;
1287   int dst_x, dst_y;
1288
1289   if (bitmap == NULL)
1290     return;
1291
1292   if (width > WIN_XSIZE)
1293   {
1294     /* image width too large for window => center image horizontally */
1295     src_x = (width - WIN_XSIZE) / 2;
1296     width = WIN_XSIZE;
1297   }
1298
1299   if (height > WIN_YSIZE)
1300   {
1301     /* image height too large for window => center image vertically */
1302     src_y = (height - WIN_YSIZE) / 2;
1303     height = WIN_YSIZE;
1304   }
1305
1306   /* always display title screens centered */
1307   dst_x = (WIN_XSIZE - width) / 2;
1308   dst_y = (WIN_YSIZE - height) / 2;
1309
1310   SetDrawBackgroundMask(REDRAW_ALL);
1311   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1312
1313   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1314
1315   if (DrawingOnBackground(dst_x, dst_y))
1316     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1317   else
1318     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1319
1320   redraw_mask = REDRAW_ALL;
1321 }
1322
1323 void DrawTitleScreenMessage(int nr, boolean initial)
1324 {
1325   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1326   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1327
1328   if (filename == NULL)
1329     return;
1330
1331   /* force TITLE font on title message screen */
1332   SetFontStatus(getTitleMessageGameMode(initial));
1333
1334   /* if chars *and* width set to "-1", automatically determine width */
1335   if (tmi->chars == -1 && tmi->width == -1)
1336     tmi->width = viewport.window[game_status].width;
1337
1338   /* if lines *and* height set to "-1", automatically determine height */
1339   if (tmi->lines == -1 && tmi->height == -1)
1340     tmi->height = viewport.window[game_status].height;
1341
1342   /* if chars set to "-1", automatically determine by text and font width */
1343   if (tmi->chars == -1)
1344     tmi->chars = tmi->width / getFontWidth(tmi->font);
1345   else
1346     tmi->width = tmi->chars * getFontWidth(tmi->font);
1347
1348   /* if lines set to "-1", automatically determine by text and font height */
1349   if (tmi->lines == -1)
1350     tmi->lines = tmi->height / getFontHeight(tmi->font);
1351   else
1352     tmi->height = tmi->lines * getFontHeight(tmi->font);
1353
1354   /* if x set to "-1", automatically determine by width and alignment */
1355   if (tmi->x == -1)
1356     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1357
1358   /* if y set to "-1", automatically determine by height and alignment */
1359   if (tmi->y == -1)
1360     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1361
1362   SetDrawBackgroundMask(REDRAW_ALL);
1363   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1364
1365   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1366
1367   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1368                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1369                tmi->autowrap, tmi->centered, tmi->parse_comments);
1370
1371   ResetFontStatus();
1372 }
1373
1374 void DrawTitleScreen()
1375 {
1376   KeyboardAutoRepeatOff();
1377
1378   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1379 }
1380
1381 boolean CheckTitleScreen(boolean levelset_has_changed)
1382 {
1383   static boolean show_title_initial = TRUE;
1384   boolean show_titlescreen = FALSE;
1385
1386   /* needed to be able to skip title screen, if no image or message defined */
1387   InitializeTitleControls(show_title_initial);
1388
1389   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1390     show_titlescreen = TRUE;
1391
1392   /* show initial title images and messages only once at program start */
1393   show_title_initial = FALSE;
1394
1395   return (show_titlescreen && num_title_screens > 0);
1396 }
1397
1398 void DrawMainMenu()
1399 {
1400   static LevelDirTree *leveldir_last_valid = NULL;
1401   boolean levelset_has_changed = FALSE;
1402   int fade_mask = REDRAW_FIELD;
1403
1404   LimitScreenUpdates(FALSE);
1405
1406   FadeSetLeaveScreen();
1407
1408   /* do not fade out here -- function may continue and fade on editor screen */
1409
1410   UnmapAllGadgets();
1411   FadeMenuSoundsAndMusic();
1412
1413   ExpireSoundLoops(FALSE);
1414
1415   KeyboardAutoRepeatOn();
1416   ActivateJoystick();
1417
1418   audio.sound_deactivated = FALSE;
1419
1420   GetPlayerConfig();
1421
1422   /* needed if last screen was the playing screen, invoked from level editor */
1423   if (level_editor_test_game)
1424   {
1425     CloseDoor(DOOR_CLOSE_ALL);
1426
1427     SetGameStatus(GAME_MODE_EDITOR);
1428
1429     DrawLevelEd();
1430
1431     return;
1432   }
1433
1434   /* needed if last screen was the setup screen and fullscreen state changed */
1435   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1436   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1437
1438   /* leveldir_current may be invalid (level group, parent link) */
1439   if (!validLevelSeries(leveldir_current))
1440     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1441
1442   if (leveldir_current != leveldir_last_valid)
1443     levelset_has_changed = TRUE;
1444
1445   /* store valid level series information */
1446   leveldir_last_valid = leveldir_current;
1447
1448   init_last = init;                     /* switch to new busy animation */
1449
1450   /* needed if last screen (level choice) changed graphics, sounds or music */
1451   ReloadCustomArtwork(0);
1452
1453   if (CheckTitleScreen(levelset_has_changed))
1454   {
1455     SetGameStatus(GAME_MODE_TITLE);
1456
1457     DrawTitleScreen();
1458
1459     return;
1460   }
1461
1462   if (redraw_mask & REDRAW_ALL)
1463     fade_mask = REDRAW_ALL;
1464
1465   if (CheckIfGlobalBorderHasChanged())
1466     fade_mask = REDRAW_ALL;
1467
1468   FadeOut(fade_mask);
1469
1470   /* needed if different viewport properties defined for menues */
1471   ChangeViewportPropertiesIfNeeded();
1472
1473   SetDrawtoField(DRAW_TO_BACKBUFFER);
1474
1475   /* level_nr may have been set to value over handicap with level editor */
1476   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1477     level_nr = leveldir_current->handicap_level;
1478
1479   LoadLevel(level_nr);
1480   LoadScore(level_nr);
1481
1482   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1483   SetDrawDeactivationMask(REDRAW_NONE);
1484   SetDrawBackgroundMask(REDRAW_FIELD);
1485
1486   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1487
1488 #if 0
1489   if (fade_mask == REDRAW_ALL)
1490     RedrawGlobalBorder();
1491 #endif
1492
1493   ClearField();
1494
1495   InitializeMainControls();
1496
1497   DrawCursorAndText_Main(-1, FALSE, FALSE);
1498   DrawPreviewLevelInitial();
1499
1500   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1501
1502   TapeStop();
1503   if (TAPE_IS_EMPTY(tape))
1504     LoadTape(level_nr);
1505   DrawCompleteVideoDisplay();
1506
1507   PlayMenuSoundsAndMusic();
1508
1509   /* create gadgets for main menu screen */
1510   FreeScreenGadgets();
1511   CreateScreenGadgets();
1512
1513   /* map gadgets for main menu screen */
1514   MapTapeButtons();
1515   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1516
1517   /* copy actual game door content to door double buffer for OpenDoor() */
1518   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1519   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1520
1521   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1522
1523   DrawMaskedBorder(fade_mask);
1524
1525   FadeIn(fade_mask);
1526   FadeSetEnterMenu();
1527
1528   /* update screen area with special editor door */
1529   redraw_mask |= REDRAW_ALL;
1530   BackToFront();
1531
1532   SetMouseCursor(CURSOR_DEFAULT);
1533
1534   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1535 }
1536
1537 static void gotoTopLevelDir()
1538 {
1539   /* move upwards until inside (but not above) top level directory */
1540   while (leveldir_current->node_parent &&
1541          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1542   {
1543     /* write a "path" into level tree for easy navigation to last level */
1544     if (leveldir_current->node_parent->node_group->cl_first == -1)
1545     {
1546       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1547       int leveldir_pos = posTreeInfo(leveldir_current);
1548       int num_page_entries;
1549       int cl_first, cl_cursor;
1550
1551       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1552         num_page_entries = num_leveldirs;
1553       else
1554         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1555
1556       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1557       cl_cursor = leveldir_pos - cl_first;
1558
1559       leveldir_current->node_parent->node_group->cl_first = cl_first;
1560       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1561     }
1562
1563     leveldir_current = leveldir_current->node_parent;
1564   }
1565 }
1566
1567 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1568 {
1569   static unsigned int title_delay = 0;
1570   static int title_screen_nr = 0;
1571   static int last_sound = -1, last_music = -1;
1572   boolean return_to_main_menu = FALSE;
1573   struct TitleControlInfo *tci;
1574   int sound, music;
1575
1576   if (button == MB_MENU_INITIALIZE)
1577   {
1578     title_delay = 0;
1579     title_screen_nr = 0;
1580     tci = &title_controls[title_screen_nr];
1581
1582     SetAnimStatus(getTitleAnimMode(tci));
1583
1584     last_sound = SND_UNDEFINED;
1585     last_music = MUS_UNDEFINED;
1586
1587     if (num_title_screens != 0)
1588     {
1589       FadeSetEnterScreen();
1590
1591       /* use individual title fading instead of global "enter screen" fading */
1592       fading = getTitleFading(tci);
1593     }
1594
1595     if (game_status_last_screen == GAME_MODE_INFO)
1596     {
1597       if (num_title_screens == 0)
1598       {
1599         /* switch game mode from title screen mode back to info screen mode */
1600         SetGameStatus(GAME_MODE_INFO);
1601
1602         /* store that last screen was info screen, not main menu screen */
1603         game_status_last_screen = GAME_MODE_INFO;
1604
1605         DrawInfoScreen_NotAvailable("Title screen information:",
1606                                     "No title screen for this level set.");
1607         return;
1608       }
1609
1610       FadeMenuSoundsAndMusic();
1611     }
1612
1613     FadeOut(REDRAW_ALL);
1614
1615     /* title screens may have different window size */
1616     ChangeViewportPropertiesIfNeeded();
1617
1618     /* only required to update logic for redrawing global border */
1619     ClearField();
1620
1621     if (tci->is_image)
1622       DrawTitleScreenImage(tci->local_nr, tci->initial);
1623     else
1624       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1625
1626     sound = getTitleSound(tci);
1627     music = getTitleMusic(tci);
1628
1629     if (sound != last_sound)
1630       PlayMenuSoundExt(sound);
1631     if (music != last_music)
1632       PlayMenuMusicExt(music);
1633
1634     last_sound = sound;
1635     last_music = music;
1636
1637     SetMouseCursor(CURSOR_NONE);
1638
1639     FadeIn(REDRAW_ALL);
1640
1641     DelayReached(&title_delay, 0);      /* reset delay counter */
1642
1643     return;
1644   }
1645
1646   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1647     button = MB_MENU_CHOICE;
1648
1649   if (button == MB_MENU_LEAVE)
1650   {
1651     return_to_main_menu = TRUE;
1652   }
1653   else if (button == MB_MENU_CHOICE)
1654   {
1655     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1656     {
1657       SetGameStatus(GAME_MODE_INFO);
1658
1659       info_mode = INFO_MODE_MAIN;
1660
1661       DrawInfoScreen();
1662
1663       return;
1664     }
1665
1666     title_screen_nr++;
1667
1668     if (title_screen_nr < num_title_screens)
1669     {
1670       tci = &title_controls[title_screen_nr];
1671
1672       SetAnimStatus(getTitleAnimMode(tci));
1673
1674       sound = getTitleSound(tci);
1675       music = getTitleMusic(tci);
1676
1677       if (last_sound != SND_UNDEFINED && sound != last_sound)
1678         FadeSound(last_sound);
1679       if (last_music != MUS_UNDEFINED && music != last_music)
1680         FadeMusic();
1681
1682       fading = getTitleFading(tci);
1683
1684       FadeOut(REDRAW_ALL);
1685
1686       if (tci->is_image)
1687         DrawTitleScreenImage(tci->local_nr, tci->initial);
1688       else
1689         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1690
1691       sound = getTitleSound(tci);
1692       music = getTitleMusic(tci);
1693
1694       if (sound != last_sound)
1695         PlayMenuSoundExt(sound);
1696       if (music != last_music)
1697         PlayMenuMusicExt(music);
1698
1699       last_sound = sound;
1700       last_music = music;
1701
1702       FadeIn(REDRAW_ALL);
1703
1704       DelayReached(&title_delay, 0);    /* reset delay counter */
1705     }
1706     else
1707     {
1708       FadeMenuSoundsAndMusic();
1709
1710       return_to_main_menu = TRUE;
1711     }
1712   }
1713
1714   if (return_to_main_menu)
1715   {
1716     SetMouseCursor(CURSOR_DEFAULT);
1717
1718     /* force full menu screen redraw after displaying title screens */
1719     redraw_mask = REDRAW_ALL;
1720
1721     if (game_status_last_screen == GAME_MODE_INFO)
1722     {
1723       SetGameStatus(GAME_MODE_INFO);
1724
1725       info_mode = INFO_MODE_MAIN;
1726
1727       DrawInfoScreen();
1728     }
1729     else        /* default: return to main menu */
1730     {
1731       SetGameStatus(GAME_MODE_MAIN);
1732
1733       DrawMainMenu();
1734     }
1735   }
1736 }
1737
1738 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1739 {
1740   int old_level_nr = level_nr;
1741   int new_level_nr;
1742
1743   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1744     new_level_nr = selected_level_nr;
1745   else
1746     new_level_nr = old_level_nr + step * direction;
1747
1748   if (new_level_nr < leveldir_current->first_level)
1749     new_level_nr = leveldir_current->first_level;
1750   if (new_level_nr > leveldir_current->last_level)
1751     new_level_nr = leveldir_current->last_level;
1752
1753   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1754   {
1755     /* skipping levels is only allowed when trying to skip single level */
1756     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1757         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1758     {
1759       leveldir_current->handicap_level++;
1760       SaveLevelSetup_SeriesInfo();
1761     }
1762
1763     new_level_nr = leveldir_current->handicap_level;
1764   }
1765
1766   if (new_level_nr != old_level_nr)
1767   {
1768     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1769
1770     PlaySound(SND_MENU_ITEM_SELECTING);
1771
1772     level_nr = new_level_nr;
1773
1774     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1775              int2str(level_nr, menu.main.text.level_number.size),
1776              mci->pos_text->font);
1777
1778     LoadLevel(level_nr);
1779     DrawPreviewLevelInitial();
1780
1781     TapeErase();
1782     LoadTape(level_nr);
1783     DrawCompleteVideoDisplay();
1784
1785     /* needed because DrawPreviewLevelInitial() takes some time */
1786     BackToFront();
1787     /* SyncDisplay(); */
1788   }
1789 }
1790
1791 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1792 {
1793   static int choice = MAIN_CONTROL_GAME;
1794   static boolean button_pressed_last = FALSE;
1795   boolean button_pressed = FALSE;
1796   int pos = choice;
1797   int i;
1798
1799   if (button == MB_MENU_INITIALIZE)
1800   {
1801     DrawCursorAndText_Main(choice, TRUE, FALSE);
1802
1803     return;
1804   }
1805
1806   if (mx || my)         /* mouse input */
1807   {
1808     pos = -1;
1809
1810     for (i = 0; main_controls[i].nr != -1; i++)
1811     {
1812       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1813           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1814           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1815       {
1816         pos = main_controls[i].nr;
1817
1818         break;
1819       }
1820     }
1821
1822     /* check if level preview was clicked */
1823     if (insidePreviewRect(&preview, mx - SX, my - SY))
1824       pos = MAIN_CONTROL_GAME;
1825
1826     // handle pressed/unpressed state for active/inactive menu buttons
1827     // (if pos != -1, "i" contains index position corresponding to "pos")
1828     if (button &&
1829         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1830         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1831       button_pressed = TRUE;
1832
1833     if (button_pressed != button_pressed_last)
1834     {
1835       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1836
1837       if (button_pressed)
1838         PlaySound(SND_MENU_BUTTON_PRESSING);
1839       else
1840         PlaySound(SND_MENU_BUTTON_RELEASING);
1841     }
1842   }
1843   else if (dx || dy)    /* keyboard input */
1844   {
1845     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1846                    choice == MAIN_CONTROL_SETUP))
1847       button = MB_MENU_CHOICE;
1848     else if (dy)
1849       pos = choice + dy;
1850   }
1851
1852   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1853   {
1854     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1855   }
1856   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1857   {
1858     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1859   }
1860   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1861   {
1862     CloseDoor(DOOR_CLOSE_2);
1863
1864     SetGameStatus(GAME_MODE_LEVELNR);
1865
1866     DrawChooseLevelNr();
1867   }
1868   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1869   {
1870     if (button)
1871     {
1872       if (pos != choice)
1873       {
1874         PlaySound(SND_MENU_ITEM_ACTIVATING);
1875
1876         DrawCursorAndText_Main(choice, FALSE, FALSE);
1877         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1878
1879         choice = pos;
1880       }
1881       else if (dx != 0)
1882       {
1883         if (choice != MAIN_CONTROL_INFO &&
1884             choice != MAIN_CONTROL_SETUP)
1885           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
1886       }
1887     }
1888     else
1889     {
1890       PlaySound(SND_MENU_ITEM_SELECTING);
1891
1892       if (pos == MAIN_CONTROL_NAME)
1893       {
1894         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
1895
1896         HandleTypeName(strlen(setup.player_name), 0);
1897       }
1898       else if (pos == MAIN_CONTROL_LEVELS)
1899       {
1900         if (leveldir_first)
1901         {
1902           CloseDoor(DOOR_CLOSE_2);
1903
1904           SetGameStatus(GAME_MODE_LEVELS);
1905
1906           SaveLevelSetup_LastSeries();
1907           SaveLevelSetup_SeriesInfo();
1908
1909           if (setup.internal.choose_from_top_leveldir)
1910             gotoTopLevelDir();
1911
1912           DrawChooseLevelSet();
1913         }
1914       }
1915       else if (pos == MAIN_CONTROL_SCORES)
1916       {
1917         CloseDoor(DOOR_CLOSE_2);
1918
1919         SetGameStatus(GAME_MODE_SCORES);
1920
1921         DrawHallOfFame(-1);
1922       }
1923       else if (pos == MAIN_CONTROL_EDITOR)
1924       {
1925         if (leveldir_current->readonly &&
1926             !strEqual(setup.player_name, "Artsoft"))
1927           Request("This level is read only!", REQ_CONFIRM);
1928
1929         CloseDoor(DOOR_CLOSE_2);
1930
1931         SetGameStatus(GAME_MODE_EDITOR);
1932
1933         FadeSetEnterScreen();
1934
1935         DrawLevelEd();
1936       }
1937       else if (pos == MAIN_CONTROL_INFO)
1938       {
1939         CloseDoor(DOOR_CLOSE_2);
1940
1941         SetGameStatus(GAME_MODE_INFO);
1942
1943         info_mode = INFO_MODE_MAIN;
1944
1945         DrawInfoScreen();
1946       }
1947       else if (pos == MAIN_CONTROL_GAME)
1948       {
1949         StartGameActions(options.network, setup.autorecord, level.random_seed);
1950       }
1951       else if (pos == MAIN_CONTROL_SETUP)
1952       {
1953         CloseDoor(DOOR_CLOSE_2);
1954
1955         SetGameStatus(GAME_MODE_SETUP);
1956
1957         setup_mode = SETUP_MODE_MAIN;
1958
1959         DrawSetupScreen();
1960       }
1961       else if (pos == MAIN_CONTROL_QUIT)
1962       {
1963         SaveLevelSetup_LastSeries();
1964         SaveLevelSetup_SeriesInfo();
1965
1966         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
1967           SetGameStatus(GAME_MODE_QUIT);
1968       }
1969     }
1970   }
1971
1972   button_pressed_last = button_pressed;
1973 }
1974
1975
1976 /* ========================================================================= */
1977 /* info screen functions                                                     */
1978 /* ========================================================================= */
1979
1980 static struct TokenInfo *info_info;
1981 static int num_info_info;       /* number of info entries shown on screen */
1982 static int max_info_info;       /* total number of info entries in list */
1983
1984 static void execInfoTitleScreen()
1985 {
1986   info_mode = INFO_MODE_TITLE;
1987
1988   DrawInfoScreen();
1989 }
1990
1991 static void execInfoElements()
1992 {
1993   info_mode = INFO_MODE_ELEMENTS;
1994
1995   DrawInfoScreen();
1996 }
1997
1998 static void execInfoMusic()
1999 {
2000   info_mode = INFO_MODE_MUSIC;
2001
2002   DrawInfoScreen();
2003 }
2004
2005 static void execInfoCredits()
2006 {
2007   info_mode = INFO_MODE_CREDITS;
2008
2009   DrawInfoScreen();
2010 }
2011
2012 static void execInfoProgram()
2013 {
2014   info_mode = INFO_MODE_PROGRAM;
2015
2016   DrawInfoScreen();
2017 }
2018
2019 static void execInfoVersion()
2020 {
2021   info_mode = INFO_MODE_VERSION;
2022
2023   DrawInfoScreen();
2024 }
2025
2026 static void execInfoLevelSet()
2027 {
2028   info_mode = INFO_MODE_LEVELSET;
2029
2030   DrawInfoScreen();
2031 }
2032
2033 static void execExitInfo()
2034 {
2035   SetGameStatus(GAME_MODE_MAIN);
2036
2037   DrawMainMenu();
2038 }
2039
2040 static struct TokenInfo info_info_main[] =
2041 {
2042   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2043   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2044   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2045   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2046   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2047   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2048   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2049   { TYPE_EMPTY,         NULL,                   ""                      },
2050   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2051
2052   { 0,                  NULL,                   NULL                    }
2053 };
2054
2055 static int getMenuTextFont(int type)
2056 {
2057   if (type & (TYPE_SWITCH       |
2058               TYPE_YES_NO       |
2059               TYPE_YES_NO_AUTO  |
2060               TYPE_STRING       |
2061               TYPE_ECS_AGA      |
2062               TYPE_KEYTEXT      |
2063               TYPE_ENTER_LIST))
2064     return FONT_MENU_2;
2065   else
2066     return FONT_MENU_1;
2067 }
2068
2069 static struct TokenInfo *setup_info;
2070 static struct TokenInfo setup_info_input[];
2071
2072 static struct TokenInfo *menu_info;
2073
2074 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2075                                        int screen_pos, int menu_info_pos_raw,
2076                                        boolean active)
2077 {
2078   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2079   struct TokenInfo *ti = &token_info[pos];
2080   int xpos = MENU_SCREEN_START_XPOS;
2081   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2082   int font_nr = getMenuTextFont(ti->type);
2083
2084   if (token_info == setup_info_input)
2085     font_nr = FONT_MENU_1;
2086
2087   if (active)
2088     font_nr = FONT_ACTIVE(font_nr);
2089
2090   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2091
2092   if (ti->type & ~TYPE_SKIP_ENTRY)
2093     drawCursor(screen_pos, active);
2094 }
2095
2096 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2097                                    boolean active)
2098 {
2099   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2100 }
2101
2102 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2103                                     boolean active)
2104 {
2105   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2106 }
2107
2108 static char *window_size_text;
2109 static char *scaling_type_text;
2110
2111 static void drawSetupValue(int, int);
2112
2113 static void drawMenuInfoList(int first_entry, int num_page_entries,
2114                              int max_page_entries)
2115 {
2116   int i;
2117
2118   if (first_entry + num_page_entries > max_page_entries)
2119     first_entry = 0;
2120
2121   clearMenuListArea();
2122
2123   for (i = 0; i < num_page_entries; i++)
2124   {
2125     int menu_info_pos = first_entry + i;
2126     struct TokenInfo *si = &menu_info[menu_info_pos];
2127     void *value_ptr = si->value;
2128
2129     /* set some entries to "unchangeable" according to other variables */
2130     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2131         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2132         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2133         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2134         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2135         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2136       si->type |= TYPE_GHOSTED;
2137
2138     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2139       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2140     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2141       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2142     else if (si->type & ~TYPE_SKIP_ENTRY)
2143       initCursor(i, IMG_MENU_BUTTON);
2144
2145     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2146
2147     if (si->type & TYPE_VALUE &&
2148         menu_info == setup_info)
2149       drawSetupValue(i, menu_info_pos);
2150   }
2151 }
2152
2153 static void DrawInfoScreen_Main()
2154 {
2155   int fade_mask = REDRAW_FIELD;
2156   int i;
2157
2158   if (redraw_mask & REDRAW_ALL)
2159     fade_mask = REDRAW_ALL;
2160
2161   if (CheckIfGlobalBorderHasChanged())
2162     fade_mask = REDRAW_ALL;
2163
2164   UnmapAllGadgets();
2165   FadeMenuSoundsAndMusic();
2166
2167   FreeScreenGadgets();
2168   CreateScreenGadgets();
2169
2170   /* (needed after displaying title screens which disable auto repeat) */
2171   KeyboardAutoRepeatOn();
2172
2173   FadeSetLeaveScreen();
2174
2175   FadeOut(fade_mask);
2176
2177   /* needed if different viewport properties defined for info screen */
2178   ChangeViewportPropertiesIfNeeded();
2179
2180   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2181
2182   ClearField();
2183
2184   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2185
2186   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2187
2188   info_info = info_info_main;
2189
2190   // determine maximal number of info entries that can be displayed on screen
2191   num_info_info = 0;
2192   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2193     num_info_info++;
2194
2195   // determine maximal number of info entries available for menu of info screen
2196   max_info_info = 0;
2197   for (i = 0; info_info[i].type != 0; i++)
2198     max_info_info++;
2199
2200   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2201
2202   MapScreenGadgets(max_info_info);
2203
2204   PlayMenuSoundsAndMusic();
2205
2206   DrawMaskedBorder(fade_mask);
2207
2208   FadeIn(fade_mask);
2209 }
2210
2211 static void changeSetupValue(int, int, int);
2212
2213 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2214                       int mode, int num_page_entries, int max_page_entries)
2215 {
2216   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2217   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2218   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2219   int *num_page_entries_last = num_page_entries_all_last[game_status];
2220   int *choice_store = choice_stores[game_status];
2221   int *first_entry_store = first_entry_stores[game_status];
2222   int choice = choice_store[mode];              /* starts with 0 */
2223   int first_entry = first_entry_store[mode];    /* starts with 0 */
2224   int x = 0;
2225   int y = choice - first_entry;
2226   int y_old = y;
2227   boolean position_set_by_scrollbar = (dx == 999);
2228   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2229   int i;
2230
2231   if (button == MB_MENU_INITIALIZE)
2232   {
2233     // check if number of menu page entries has changed (may happen by change
2234     // of custom artwork definition value for 'list_size' for this menu screen)
2235     // (in this case, the last menu position most probably has to be corrected)
2236     if (num_page_entries != num_page_entries_last[mode])
2237     {
2238       choice_store[mode] = first_entry_store[mode] = 0;
2239
2240       choice = first_entry = 0;
2241       y = y_old = 0;
2242
2243       num_page_entries_last[mode] = num_page_entries;
2244     }
2245
2246     /* advance to first valid menu entry */
2247     while (choice < num_page_entries &&
2248            menu_info[choice].type & TYPE_SKIP_ENTRY)
2249       choice++;
2250
2251     if (position_set_by_scrollbar)
2252       first_entry = first_entry_store[mode] = dy;
2253     else
2254       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2255                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2256
2257     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2258
2259     if (choice < first_entry)
2260     {
2261       choice = first_entry;
2262
2263       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2264         choice++;
2265     }
2266     else if (choice > first_entry + num_page_entries - 1)
2267     {
2268       choice = first_entry + num_page_entries - 1;
2269
2270       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2271         choice--;
2272     }
2273
2274     choice_store[mode] = choice;
2275
2276     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2277
2278     return;
2279   }
2280   else if (button == MB_MENU_LEAVE)
2281   {
2282     PlaySound(SND_MENU_ITEM_SELECTING);
2283
2284     for (i = 0; i < max_page_entries; i++)
2285     {
2286       if (menu_info[i].type & TYPE_LEAVE_MENU)
2287       {
2288         void (*menu_callback_function)(void) = menu_info[i].value;
2289
2290         FadeSetLeaveMenu();
2291
2292         menu_callback_function();
2293
2294         break;  /* absolutely needed because function changes 'menu_info'! */
2295       }
2296     }
2297
2298     return;
2299   }
2300
2301   if (mx || my)         /* mouse input */
2302   {
2303     x = (mx - mSX) / 32;
2304     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2305   }
2306   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2307   {
2308     /* move cursor instead of scrolling when already at start/end of list */
2309     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2310       dy = -1;
2311     else if (dy == +1 * SCROLL_LINE &&
2312              first_entry + num_page_entries == max_page_entries)
2313       dy = 1;
2314
2315     /* handle scrolling screen one line or page */
2316     if (y + dy < 0 ||
2317         y + dy > num_page_entries - 1)
2318     {
2319       boolean redraw = FALSE;
2320
2321       if (ABS(dy) == SCROLL_PAGE)
2322         step = num_page_entries - 1;
2323
2324       if (dy < 0 && first_entry > 0)
2325       {
2326         /* scroll page/line up */
2327
2328         first_entry -= step;
2329         if (first_entry < 0)
2330           first_entry = 0;
2331
2332         redraw = TRUE;
2333       }
2334       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2335       {
2336         /* scroll page/line down */
2337
2338         first_entry += step;
2339         if (first_entry + num_page_entries > max_page_entries)
2340           first_entry = MAX(0, max_page_entries - num_page_entries);
2341
2342         redraw = TRUE;
2343       }
2344
2345       if (redraw)
2346       {
2347         choice += first_entry - first_entry_store[mode];
2348
2349         if (choice < first_entry)
2350         {
2351           choice = first_entry;
2352
2353           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2354             choice++;
2355         }
2356         else if (choice > first_entry + num_page_entries - 1)
2357         {
2358           choice = first_entry + num_page_entries - 1;
2359
2360           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2361             choice--;
2362         }
2363         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2364         {
2365           choice += SIGN(dy);
2366
2367           if (choice < first_entry ||
2368               choice > first_entry + num_page_entries - 1)
2369           first_entry += SIGN(dy);
2370         }
2371
2372         first_entry_store[mode] = first_entry;
2373         choice_store[mode] = choice;
2374
2375         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2376
2377         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2378
2379         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2380                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2381       }
2382
2383       return;
2384     }
2385
2386     if (dx)
2387     {
2388       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2389
2390       if (menu_info[choice].type & menu_navigation_type ||
2391           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2392           menu_info[choice].type & TYPE_YES_NO_AUTO)
2393         button = MB_MENU_CHOICE;
2394     }
2395     else if (dy)
2396       y += dy;
2397
2398     /* jump to next non-empty menu entry (up or down) */
2399     while (first_entry + y > 0 &&
2400            first_entry + y < max_page_entries - 1 &&
2401            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2402       y += dy;
2403
2404     if (!IN_VIS_MENU(x, y))
2405     {
2406       choice += y - y_old;
2407
2408       if (choice < first_entry)
2409         first_entry = choice;
2410       else if (choice > first_entry + num_page_entries - 1)
2411         first_entry = choice - num_page_entries + 1;
2412
2413       if (first_entry >= 0 &&
2414           first_entry + num_page_entries <= max_page_entries)
2415       {
2416         first_entry_store[mode] = first_entry;
2417
2418         if (choice < first_entry)
2419           choice = first_entry;
2420         else if (choice > first_entry + num_page_entries - 1)
2421           choice = first_entry + num_page_entries - 1;
2422
2423         choice_store[mode] = choice;
2424
2425         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2426
2427         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2428
2429         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2430                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2431       }
2432
2433       return;
2434     }
2435   }
2436
2437   if (!anyScrollbarGadgetActive() &&
2438       IN_VIS_MENU(x, y) &&
2439       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2440       y >= 0 && y < num_page_entries)
2441   {
2442     if (button)
2443     {
2444       if (first_entry + y != choice &&
2445           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2446       {
2447         PlaySound(SND_MENU_ITEM_ACTIVATING);
2448
2449         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2450         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2451
2452         choice = choice_store[mode] = first_entry + y;
2453       }
2454     }
2455     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2456     {
2457       PlaySound(SND_MENU_ITEM_SELECTING);
2458
2459       /* when selecting key headline, execute function for key value change */
2460       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2461           menu_info[first_entry + y + 1].type & TYPE_KEY)
2462         y++;
2463
2464       /* when selecting string value, execute function for list selection */
2465       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2466           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2467         y--;
2468
2469       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2470       {
2471         void (*menu_callback_function)(void) =
2472           menu_info[first_entry + y].value;
2473
2474         FadeSetFromType(menu_info[first_entry + y].type);
2475
2476         menu_callback_function();
2477       }
2478       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2479                menu_info == setup_info)
2480       {
2481         changeSetupValue(y, first_entry + y, dx);
2482       }
2483     }
2484   }
2485 }
2486
2487 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2488 {
2489   menu_info = info_info;
2490
2491   HandleMenuScreen(mx, my, dx, dy, button,
2492                    info_mode, num_info_info, max_info_info);
2493 }
2494
2495 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2496 {
2497   int ystart1 = mSY - SY + 100;
2498   int ystart2 = mSY - SY + 150;
2499   int ybottom = mSY - SY + SYSIZE - 20;
2500
2501   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2502
2503   FadeOut(REDRAW_FIELD);
2504
2505   ClearField();
2506   DrawHeadline();
2507
2508   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2509   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2510
2511   DrawTextSCentered(ybottom, FONT_TEXT_4,
2512                     "Press any key or button for info menu");
2513
2514   FadeIn(REDRAW_FIELD);
2515 }
2516
2517 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2518 {
2519   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2520   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2521   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2522   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2523   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2524   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2525   int ystep = MENU_SCREEN_INFO_YSTEP;
2526   int element, action, direction;
2527   int graphic;
2528   int delay;
2529   int sync_frame;
2530   int i, j;
2531
2532   if (init)
2533   {
2534     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2535       infoscreen_step[i] = infoscreen_frame[i] = 0;
2536
2537     ClearField();
2538     DrawHeadline();
2539
2540     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2541
2542     DrawTextSCentered(ybottom, FONT_TEXT_4,
2543                       "Press any key or button for next page");
2544
2545     FrameCounter = 0;
2546   }
2547
2548   i = j = 0;
2549   while (helpanim_info[j].element != HELPANIM_LIST_END)
2550   {
2551     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2552         i >= max_anims)
2553       break;
2554     else if (i < start)
2555     {
2556       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2557         j++;
2558
2559       j++;
2560       i++;
2561
2562       continue;
2563     }
2564
2565     j += infoscreen_step[i - start];
2566
2567     element = helpanim_info[j].element;
2568     action = helpanim_info[j].action;
2569     direction = helpanim_info[j].direction;
2570
2571     if (element < 0)
2572       element = EL_UNKNOWN;
2573
2574     if (action != -1 && direction != -1)
2575       graphic = el_act_dir2img(element, action, direction);
2576     else if (action != -1)
2577       graphic = el_act2img(element, action);
2578     else if (direction != -1)
2579       graphic = el_dir2img(element, direction);
2580     else
2581       graphic = el2img(element);
2582
2583     delay = helpanim_info[j++].delay;
2584
2585     if (delay == -1)
2586       delay = 1000000;
2587
2588     if (infoscreen_frame[i - start] == 0)
2589     {
2590       sync_frame = 0;
2591       infoscreen_frame[i - start] = delay - 1;
2592     }
2593     else
2594     {
2595       sync_frame = delay - infoscreen_frame[i - start];
2596       infoscreen_frame[i - start]--;
2597     }
2598
2599     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2600     {
2601       if (!infoscreen_frame[i - start])
2602         infoscreen_step[i - start] = 0;
2603     }
2604     else
2605     {
2606       if (!infoscreen_frame[i - start])
2607         infoscreen_step[i - start]++;
2608       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2609         j++;
2610     }
2611
2612     j++;
2613
2614     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2615                                TILEX, TILEY);
2616     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2617                                  graphic, sync_frame, USE_MASKING);
2618
2619     if (init)
2620       DrawInfoScreen_HelpText(element, action, direction, i - start);
2621
2622     i++;
2623   }
2624
2625   redraw_mask |= REDRAW_FIELD;
2626
2627   FrameCounter++;
2628 }
2629
2630 static char *getHelpText(int element, int action, int direction)
2631 {
2632   char token[MAX_LINE_LEN];
2633
2634   strcpy(token, element_info[element].token_name);
2635
2636   if (action != -1)
2637     strcat(token, element_action_info[action].suffix);
2638
2639   if (direction != -1)
2640     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2641
2642   return getHashEntry(helptext_info, token);
2643 }
2644
2645 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2646 {
2647   int font_nr = FONT_INFO_ELEMENTS;
2648   int font_width = getFontWidth(font_nr);
2649   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2650   int sy = mSY + 65 + 2 * 32 + 1;
2651   int ystep = TILEY + 4;
2652   int pad_x = sx - SX;
2653   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2654   int max_lines_per_text = 2;
2655   char *text = NULL;
2656
2657   if (action != -1 && direction != -1)          /* element.action.direction */
2658     text = getHelpText(element, action, direction);
2659
2660   if (text == NULL && action != -1)             /* element.action */
2661     text = getHelpText(element, action, -1);
2662
2663   if (text == NULL && direction != -1)          /* element.direction */
2664     text = getHelpText(element, -1, direction);
2665
2666   if (text == NULL)                             /* base element */
2667     text = getHelpText(element, -1, -1);
2668
2669   if (text == NULL)                             /* not found */
2670     text = "No description available";
2671
2672   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2673     sy += getFontHeight(font_nr) / 2;
2674
2675   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2676                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2677                  TRUE, FALSE, FALSE);
2678 }
2679
2680 void DrawInfoScreen_TitleScreen()
2681 {
2682   SetGameStatus(GAME_MODE_TITLE);
2683
2684   DrawTitleScreen();
2685 }
2686
2687 void HandleInfoScreen_TitleScreen(int button)
2688 {
2689   HandleTitleScreen(0, 0, 0, 0, button);
2690 }
2691
2692 void DrawInfoScreen_Elements()
2693 {
2694   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2695
2696   FadeOut(REDRAW_FIELD);
2697
2698   LoadHelpAnimInfo();
2699   LoadHelpTextInfo();
2700
2701   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2702
2703   FadeIn(REDRAW_FIELD);
2704 }
2705
2706 void HandleInfoScreen_Elements(int button)
2707 {
2708   static unsigned int info_delay = 0;
2709   static int num_anims;
2710   static int num_pages;
2711   static int page;
2712   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2713   int i;
2714
2715   if (button == MB_MENU_INITIALIZE)
2716   {
2717     boolean new_element = TRUE;
2718
2719     num_anims = 0;
2720
2721     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2722     {
2723       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2724         new_element = TRUE;
2725       else if (new_element)
2726       {
2727         num_anims++;
2728         new_element = FALSE;
2729       }
2730     }
2731
2732     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2733     page = 0;
2734   }
2735
2736   if (button == MB_MENU_LEAVE)
2737   {
2738     PlaySound(SND_MENU_ITEM_SELECTING);
2739
2740     info_mode = INFO_MODE_MAIN;
2741     DrawInfoScreen();
2742
2743     return;
2744   }
2745   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2746   {
2747     if (button != MB_MENU_INITIALIZE)
2748     {
2749       PlaySound(SND_MENU_ITEM_SELECTING);
2750
2751       page++;
2752     }
2753
2754     if (page >= num_pages)
2755     {
2756       FadeMenuSoundsAndMusic();
2757
2758       info_mode = INFO_MODE_MAIN;
2759       DrawInfoScreen();
2760
2761       return;
2762     }
2763
2764     if (page > 0)
2765       FadeSetNextScreen();
2766
2767     if (button != MB_MENU_INITIALIZE)
2768       FadeOut(REDRAW_FIELD);
2769
2770     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2771
2772     if (button != MB_MENU_INITIALIZE)
2773       FadeIn(REDRAW_FIELD);
2774   }
2775   else
2776   {
2777     if (DelayReached(&info_delay, GameFrameDelay))
2778       if (page < num_pages)
2779         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2780
2781     PlayMenuSoundIfLoop();
2782   }
2783 }
2784
2785 void DrawInfoScreen_Music()
2786 {
2787   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2788
2789   FadeOut(REDRAW_FIELD);
2790
2791   ClearField();
2792   DrawHeadline();
2793
2794   LoadMusicInfo();
2795
2796   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2797
2798   FadeIn(REDRAW_FIELD);
2799 }
2800
2801 void HandleInfoScreen_Music(int button)
2802 {
2803   static struct MusicFileInfo *list = NULL;
2804   int ystart1 = mSY - SY + 100;
2805   int ystart2 = mSY - SY + 150;
2806   int ybottom = mSY - SY + SYSIZE - 20;
2807   int dy = 30;
2808
2809   if (button == MB_MENU_INITIALIZE)
2810   {
2811     list = music_file_info;
2812
2813     if (list == NULL)
2814     {
2815       FadeMenuSoundsAndMusic();
2816
2817       ClearField();
2818       DrawHeadline();
2819
2820       DrawTextSCentered(ystart1, FONT_TEXT_1,
2821                         "No music info for this level set.");
2822
2823       DrawTextSCentered(ybottom, FONT_TEXT_4,
2824                         "Press any key or button for info menu");
2825
2826       return;
2827     }
2828   }
2829
2830   if (button == MB_MENU_LEAVE)
2831   {
2832     PlaySound(SND_MENU_ITEM_SELECTING);
2833
2834     FadeMenuSoundsAndMusic();
2835
2836     info_mode = INFO_MODE_MAIN;
2837     DrawInfoScreen();
2838
2839     return;
2840   }
2841   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2842   {
2843     int y = 0;
2844
2845     if (button != MB_MENU_INITIALIZE)
2846     {
2847       PlaySound(SND_MENU_ITEM_SELECTING);
2848
2849       if (list != NULL)
2850         list = list->next;
2851     }
2852
2853     if (list == NULL)
2854     {
2855       FadeMenuSoundsAndMusic();
2856
2857       info_mode = INFO_MODE_MAIN;
2858       DrawInfoScreen();
2859
2860       return;
2861     }
2862
2863     FadeMenuSoundsAndMusic();
2864
2865     if (list != music_file_info)
2866       FadeSetNextScreen();
2867
2868     if (button != MB_MENU_INITIALIZE)
2869       FadeOut(REDRAW_FIELD);
2870
2871     ClearField();
2872     DrawHeadline();
2873
2874     if (list->is_sound)
2875     {
2876       int sound = list->music;
2877
2878       if (sound_info[sound].loop)
2879         PlaySoundLoop(sound);
2880       else
2881         PlaySound(sound);
2882
2883       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2884     }
2885     else
2886     {
2887       PlayMusic(list->music);
2888
2889       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2890     }
2891
2892     if (!strEqual(list->title, UNKNOWN_NAME))
2893     {
2894       if (!strEqual(list->title_header, UNKNOWN_NAME))
2895         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2896
2897       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2898     }
2899
2900     if (!strEqual(list->artist, UNKNOWN_NAME))
2901     {
2902       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2903         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2904       else
2905         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2906
2907       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2908     }
2909
2910     if (!strEqual(list->album, UNKNOWN_NAME))
2911     {
2912       if (!strEqual(list->album_header, UNKNOWN_NAME))
2913         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2914       else
2915         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2916
2917       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2918     }
2919
2920     if (!strEqual(list->year, UNKNOWN_NAME))
2921     {
2922       if (!strEqual(list->year_header, UNKNOWN_NAME))
2923         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2924       else
2925         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2926
2927       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2928     }
2929
2930     DrawTextSCentered(ybottom, FONT_TEXT_4,
2931                       "Press any key or button for next page");
2932
2933     if (button != MB_MENU_INITIALIZE)
2934       FadeIn(REDRAW_FIELD);
2935   }
2936
2937   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2938     PlaySoundLoop(list->music);
2939 }
2940
2941 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2942 {
2943   int ystart1 = mSY - SY + 100;
2944   int ystart2 = mSY - SY + 150;
2945   int ybottom = mSY - SY + SYSIZE - 20;
2946   int ystep = 30;
2947
2948   ClearField();
2949   DrawHeadline();
2950
2951   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2952
2953   if (screen_nr == 0)
2954   {
2955     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2956                       "Special thanks to");
2957     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2958                       "Peter Liepa");
2959     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2960                       "for creating");
2961     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2962                       "\"Boulder Dash\"");
2963     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2964                       "in the year");
2965     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2966                       "1984");
2967     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2968                       "published by");
2969     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2970                       "First Star Software");
2971   }
2972   else if (screen_nr == 1)
2973   {
2974     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2975                       "Special thanks to");
2976     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2977                       "Klaus Heinz & Volker Wertich");
2978     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2979                       "for creating");
2980     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2981                       "\"Emerald Mine\"");
2982     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2983                       "in the year");
2984     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2985                       "1987");
2986     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2987                       "published by");
2988     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2989                       "Kingsoft");
2990   }
2991   else if (screen_nr == 2)
2992   {
2993     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2994                       "Special thanks to");
2995     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2996                       "Michael Stopp & Philip Jespersen");
2997     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2998                       "for creating");
2999     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3000                       "\"Supaplex\"");
3001     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3002                       "in the year");
3003     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3004                       "1991");
3005     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3006                       "published by");
3007     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3008                       "Digital Integration");
3009   }
3010   else if (screen_nr == 3)
3011   {
3012     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3013                       "Special thanks to");
3014     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3015                       "Hiroyuki Imabayashi");
3016     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3017                       "for creating");
3018     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3019                       "\"Sokoban\"");
3020     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3021                       "in the year");
3022     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3023                       "1982");
3024     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3025                       "published by");
3026     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3027                       "Thinking Rabbit");
3028   }
3029   else if (screen_nr == 4)
3030   {
3031     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3032                       "Special thanks to");
3033     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3034                       "Alan Bond");
3035     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3036                       "and");
3037     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3038                       "J\xfcrgen Bonhagen");
3039     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3040                       "for the continuous creation");
3041     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3042                       "of outstanding level sets");
3043   }
3044   else if (screen_nr == 5)
3045   {
3046     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3047                       "Thanks to");
3048     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3049                       "Peter Elzner");
3050     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3051                       "for ideas and inspiration by");
3052     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3053                       "Diamond Caves");
3054
3055     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3056                       "Thanks to");
3057     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3058                       "Steffest");
3059     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3060                       "for ideas and inspiration by");
3061     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3062                       "DX-Boulderdash");
3063   }
3064   else if (screen_nr == 6)
3065   {
3066     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3067                       "Thanks to");
3068     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3069                       "David Tritscher");
3070 #if 1
3071     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3072                       "for the code base used for the");
3073     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3074                       "native Emerald Mine engine");
3075 #else
3076     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3077                       "for the new Emerald Mine engine");
3078 #endif
3079   }
3080   else if (screen_nr == 7)
3081   {
3082     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3083                       "Thanks to");
3084     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3085                       "Guido Schulz");
3086     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3087                       "for the initial DOS port");
3088
3089     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3090                       "Thanks to");
3091     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3092                       "Karl H\xf6rnell");
3093     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3094                       "for some additional toons");
3095   }
3096   else if (screen_nr == 8)
3097   {
3098     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3099                       "And not to forget:");
3100     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3101                       "Many thanks to");
3102     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3103                       "All those who contributed");
3104     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3105                       "levels to this game");
3106     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3107                       "since 1995");
3108   }
3109
3110   DrawTextSCentered(ybottom, FONT_TEXT_4,
3111                     "Press any key or button for next page");
3112 }
3113
3114 void DrawInfoScreen_Credits()
3115 {
3116   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3117
3118   FadeMenuSoundsAndMusic();
3119
3120   FadeOut(REDRAW_FIELD);
3121
3122   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3123
3124   FadeIn(REDRAW_FIELD);
3125 }
3126
3127 void HandleInfoScreen_Credits(int button)
3128 {
3129   static int screen_nr = 0;
3130   int num_screens = 9;
3131
3132   if (button == MB_MENU_INITIALIZE)
3133   {
3134     screen_nr = 0;
3135
3136     // DrawInfoScreen_CreditsScreen(screen_nr);
3137   }
3138
3139   if (button == MB_MENU_LEAVE)
3140   {
3141     PlaySound(SND_MENU_ITEM_SELECTING);
3142
3143     info_mode = INFO_MODE_MAIN;
3144     DrawInfoScreen();
3145
3146     return;
3147   }
3148   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3149   {
3150     if (button != MB_MENU_INITIALIZE)
3151     {
3152       PlaySound(SND_MENU_ITEM_SELECTING);
3153
3154       screen_nr++;
3155     }
3156
3157     if (screen_nr >= num_screens)
3158     {
3159       FadeMenuSoundsAndMusic();
3160
3161       info_mode = INFO_MODE_MAIN;
3162       DrawInfoScreen();
3163
3164       return;
3165     }
3166
3167     if (screen_nr > 0)
3168       FadeSetNextScreen();
3169
3170     if (button != MB_MENU_INITIALIZE)
3171       FadeOut(REDRAW_FIELD);
3172
3173     DrawInfoScreen_CreditsScreen(screen_nr);
3174
3175     if (button != MB_MENU_INITIALIZE)
3176       FadeIn(REDRAW_FIELD);
3177   }
3178   else
3179   {
3180     PlayMenuSoundIfLoop();
3181   }
3182 }
3183
3184 void DrawInfoScreen_Program()
3185 {
3186   int ystart1 = mSY - SY + 100;
3187   int ystart2 = mSY - SY + 150;
3188   int ybottom = mSY - SY + SYSIZE - 20;
3189   int ystep = 30;
3190
3191   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3192
3193   FadeOut(REDRAW_FIELD);
3194
3195   ClearField();
3196   DrawHeadline();
3197
3198   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3199
3200   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3201                     "This game is Freeware!");
3202   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3203                     "If you like it, send e-mail to:");
3204   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3205                     setup.internal.program_email);
3206   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3207                     "More information and levels:");
3208   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3209                     setup.internal.program_website);
3210   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3211                     "If you have created new levels,");
3212   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3213                     "send them to me to include them!");
3214   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3215                     ":-)");
3216
3217   DrawTextSCentered(ybottom, FONT_TEXT_4,
3218                     "Press any key or button for info menu");
3219
3220   FadeIn(REDRAW_FIELD);
3221 }
3222
3223 void HandleInfoScreen_Program(int button)
3224 {
3225   if (button == MB_MENU_LEAVE)
3226   {
3227     PlaySound(SND_MENU_ITEM_SELECTING);
3228
3229     info_mode = INFO_MODE_MAIN;
3230     DrawInfoScreen();
3231
3232     return;
3233   }
3234   else if (button == MB_MENU_CHOICE)
3235   {
3236     PlaySound(SND_MENU_ITEM_SELECTING);
3237
3238     FadeMenuSoundsAndMusic();
3239
3240     info_mode = INFO_MODE_MAIN;
3241     DrawInfoScreen();
3242   }
3243   else
3244   {
3245     PlayMenuSoundIfLoop();
3246   }
3247 }
3248
3249 void DrawInfoScreen_Version()
3250 {
3251   int font_header = FONT_TEXT_3;
3252   int font_text = FONT_TEXT_2;
3253   int xstep = getFontWidth(font_text);
3254   int ystep = getFontHeight(font_text);
3255   int ystart1 = mSY - SY + 100;
3256   int ystart2 = mSY - SY + 150;
3257   int ybottom = mSY - SY + SYSIZE - 20;
3258   int xstart1 = mSX - SX + 2 * xstep;
3259   int xstart2 = mSX - SX + 18 * xstep;
3260   int xstart3 = mSX - SX + 28 * xstep;
3261   SDL_version sdl_version_compiled;
3262   const SDL_version *sdl_version_linked;
3263   int driver_name_len = 10;
3264 #if defined(TARGET_SDL2)
3265   SDL_version sdl_version_linked_ext;
3266   const char *driver_name = NULL;
3267 #else
3268   char driver_name[driver_name_len];
3269 #endif
3270
3271   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3272
3273   FadeOut(REDRAW_FIELD);
3274
3275   ClearField();
3276   DrawHeadline();
3277
3278   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3279
3280   DrawTextF(xstart1, ystart2, font_header, "Name");
3281   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3282
3283   ystart2 += ystep;
3284   DrawTextF(xstart1, ystart2, font_header, "Version");
3285   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3286
3287   ystart2 += ystep;
3288   DrawTextF(xstart1, ystart2, font_header, "Platform");
3289   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3290
3291   ystart2 += ystep;
3292   DrawTextF(xstart1, ystart2, font_header, "Target");
3293   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3294
3295   ystart2 += ystep;
3296   DrawTextF(xstart1, ystart2, font_header, "Source date");
3297   DrawTextF(xstart2, ystart2, font_text, getSourceDateString());
3298
3299   ystart2 += 3 * ystep;
3300   DrawTextF(xstart1, ystart2, font_header, "Library");
3301   DrawTextF(xstart2, ystart2, font_header, "compiled");
3302   DrawTextF(xstart3, ystart2, font_header, "linked");
3303
3304   SDL_VERSION(&sdl_version_compiled);
3305 #if defined(TARGET_SDL2)
3306   SDL_GetVersion(&sdl_version_linked_ext);
3307   sdl_version_linked = &sdl_version_linked_ext;
3308 #else
3309   sdl_version_linked = SDL_Linked_Version();
3310 #endif
3311
3312   ystart2 += 2 * ystep;
3313   DrawTextF(xstart1, ystart2, font_text, "SDL");
3314   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3315             sdl_version_compiled.major,
3316             sdl_version_compiled.minor,
3317             sdl_version_compiled.patch);
3318   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3319             sdl_version_linked->major,
3320             sdl_version_linked->minor,
3321             sdl_version_linked->patch);
3322
3323   SDL_IMAGE_VERSION(&sdl_version_compiled);
3324   sdl_version_linked = IMG_Linked_Version();
3325
3326   ystart2 += ystep;
3327   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3328   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3329             sdl_version_compiled.major,
3330             sdl_version_compiled.minor,
3331             sdl_version_compiled.patch);
3332   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3333             sdl_version_linked->major,
3334             sdl_version_linked->minor,
3335             sdl_version_linked->patch);
3336
3337   SDL_MIXER_VERSION(&sdl_version_compiled);
3338   sdl_version_linked = Mix_Linked_Version();
3339
3340   ystart2 += ystep;
3341   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3342   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3343             sdl_version_compiled.major,
3344             sdl_version_compiled.minor,
3345             sdl_version_compiled.patch);
3346   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3347             sdl_version_linked->major,
3348             sdl_version_linked->minor,
3349             sdl_version_linked->patch);
3350
3351   SDL_NET_VERSION(&sdl_version_compiled);
3352   sdl_version_linked = SDLNet_Linked_Version();
3353
3354   ystart2 += ystep;
3355   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3356   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3357             sdl_version_compiled.major,
3358             sdl_version_compiled.minor,
3359             sdl_version_compiled.patch);
3360   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3361             sdl_version_linked->major,
3362             sdl_version_linked->minor,
3363             sdl_version_linked->patch);
3364
3365   ystart2 += 3 * ystep;
3366   DrawTextF(xstart1, ystart2, font_header, "Driver");
3367   DrawTextF(xstart2, ystart2, font_header, "Requested");
3368   DrawTextF(xstart3, ystart2, font_header, "Used");
3369
3370 #if defined(TARGET_SDL2)
3371   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3372 #else
3373   SDL_VideoDriverName(driver_name, driver_name_len);
3374 #endif
3375
3376   ystart2 += 2 * ystep;
3377   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3378   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3379   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3380
3381 #if defined(TARGET_SDL2)
3382   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3383 #else
3384   SDL_AudioDriverName(driver_name, driver_name_len);
3385 #endif
3386
3387   ystart2 += ystep;
3388   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3389   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3390   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3391
3392   DrawTextSCentered(ybottom, FONT_TEXT_4,
3393                     "Press any key or button for info menu");
3394
3395   FadeIn(REDRAW_FIELD);
3396 }
3397
3398 void HandleInfoScreen_Version(int button)
3399 {
3400   if (button == MB_MENU_LEAVE)
3401   {
3402     PlaySound(SND_MENU_ITEM_SELECTING);
3403
3404     info_mode = INFO_MODE_MAIN;
3405     DrawInfoScreen();
3406
3407     return;
3408   }
3409   else if (button == MB_MENU_CHOICE)
3410   {
3411     PlaySound(SND_MENU_ITEM_SELECTING);
3412
3413     FadeMenuSoundsAndMusic();
3414
3415     info_mode = INFO_MODE_MAIN;
3416     DrawInfoScreen();
3417   }
3418   else
3419   {
3420     PlayMenuSoundIfLoop();
3421   }
3422 }
3423
3424 void DrawInfoScreen_LevelSet()
3425 {
3426   struct TitleMessageInfo *tmi = &readme;
3427   char *filename = getLevelSetInfoFilename();
3428   char *title = "Level Set Information:";
3429   int ystart1 = mSY - SY + 100;
3430   int ybottom = mSY - SY + SYSIZE - 20;
3431
3432   if (filename == NULL)
3433   {
3434     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3435
3436     return;
3437   }
3438
3439   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3440
3441   FadeOut(REDRAW_FIELD);
3442
3443   ClearField();
3444   DrawHeadline();
3445
3446   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3447
3448   /* if x position set to "-1", automatically determine by playfield width */
3449   if (tmi->x == -1)
3450     tmi->x = SXSIZE / 2;
3451
3452   /* if y position set to "-1", use static default value */
3453   if (tmi->y == -1)
3454     tmi->y = 150;
3455
3456   /* if width set to "-1", automatically determine by playfield width */
3457   if (tmi->width == -1)
3458     tmi->width = SXSIZE - 2 * TILEX;
3459
3460   /* if height set to "-1", automatically determine by playfield height */
3461   if (tmi->height == -1)
3462     tmi->height = SYSIZE - 20 - tmi->y - 10;
3463
3464   /* if chars set to "-1", automatically determine by text and font width */
3465   if (tmi->chars == -1)
3466     tmi->chars = tmi->width / getFontWidth(tmi->font);
3467   else
3468     tmi->width = tmi->chars * getFontWidth(tmi->font);
3469
3470   /* if lines set to "-1", automatically determine by text and font height */
3471   if (tmi->lines == -1)
3472     tmi->lines = tmi->height / getFontHeight(tmi->font);
3473   else
3474     tmi->height = tmi->lines * getFontHeight(tmi->font);
3475
3476   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3477                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3478                tmi->autowrap, tmi->centered, tmi->parse_comments);
3479
3480   DrawTextSCentered(ybottom, FONT_TEXT_4,
3481                     "Press any key or button for info menu");
3482
3483   FadeIn(REDRAW_FIELD);
3484 }
3485
3486 void HandleInfoScreen_LevelSet(int button)
3487 {
3488   if (button == MB_MENU_LEAVE)
3489   {
3490     PlaySound(SND_MENU_ITEM_SELECTING);
3491
3492     info_mode = INFO_MODE_MAIN;
3493     DrawInfoScreen();
3494
3495     return;
3496   }
3497   else if (button == MB_MENU_CHOICE)
3498   {
3499     PlaySound(SND_MENU_ITEM_SELECTING);
3500
3501     FadeMenuSoundsAndMusic();
3502
3503     info_mode = INFO_MODE_MAIN;
3504     DrawInfoScreen();
3505   }
3506   else
3507   {
3508     PlayMenuSoundIfLoop();
3509   }
3510 }
3511
3512 static void DrawInfoScreen()
3513 {
3514   if (info_mode == INFO_MODE_TITLE)
3515     DrawInfoScreen_TitleScreen();
3516   else if (info_mode == INFO_MODE_ELEMENTS)
3517     DrawInfoScreen_Elements();
3518   else if (info_mode == INFO_MODE_MUSIC)
3519     DrawInfoScreen_Music();
3520   else if (info_mode == INFO_MODE_CREDITS)
3521     DrawInfoScreen_Credits();
3522   else if (info_mode == INFO_MODE_PROGRAM)
3523     DrawInfoScreen_Program();
3524   else if (info_mode == INFO_MODE_VERSION)
3525     DrawInfoScreen_Version();
3526   else if (info_mode == INFO_MODE_LEVELSET)
3527     DrawInfoScreen_LevelSet();
3528   else
3529     DrawInfoScreen_Main();
3530
3531   if (info_mode != INFO_MODE_MAIN &&
3532       info_mode != INFO_MODE_TITLE &&
3533       info_mode != INFO_MODE_MUSIC)
3534     PlayMenuSoundsAndMusic();
3535 }
3536
3537 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3538 {
3539   if (info_mode == INFO_MODE_TITLE)
3540     HandleInfoScreen_TitleScreen(button);
3541   else if (info_mode == INFO_MODE_ELEMENTS)
3542     HandleInfoScreen_Elements(button);
3543   else if (info_mode == INFO_MODE_MUSIC)
3544     HandleInfoScreen_Music(button);
3545   else if (info_mode == INFO_MODE_CREDITS)
3546     HandleInfoScreen_Credits(button);
3547   else if (info_mode == INFO_MODE_PROGRAM)
3548     HandleInfoScreen_Program(button);
3549   else if (info_mode == INFO_MODE_VERSION)
3550     HandleInfoScreen_Version(button);
3551   else if (info_mode == INFO_MODE_LEVELSET)
3552     HandleInfoScreen_LevelSet(button);
3553   else
3554     HandleInfoScreen_Main(mx, my, dx, dy, button);
3555 }
3556
3557
3558 /* ========================================================================= */
3559 /* type name functions                                                       */
3560 /* ========================================================================= */
3561
3562 void HandleTypeName(int newxpos, Key key)
3563 {
3564   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3565   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3566   struct TextPosInfo *pos = mci->pos_input;
3567   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3568   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3569   static int xpos = 0;
3570   int font_nr = pos->font;
3571   int font_active_nr = FONT_ACTIVE(font_nr);
3572   int font_width = getFontWidth(font_active_nr);
3573   char key_char = getValidConfigValueChar(getCharFromKey(key));
3574   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3575   boolean is_active = TRUE;
3576
3577   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3578
3579   if (newxpos)
3580   {
3581     strcpy(last_player_name, setup.player_name);
3582
3583     xpos = newxpos;
3584
3585     StartTextInput(startx, starty, pos->width, pos->height);
3586   }
3587   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3588   {
3589     setup.player_name[xpos] = key_char;
3590     setup.player_name[xpos + 1] = 0;
3591
3592     xpos++;
3593   }
3594   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3595   {
3596     xpos--;
3597
3598     setup.player_name[xpos] = 0;
3599   }
3600   else if (key == KSYM_Return && xpos > 0)
3601   {
3602     SaveSetup();
3603
3604     is_active = FALSE;
3605
3606     SetGameStatus(GAME_MODE_MAIN);
3607   }
3608   else if (key == KSYM_Escape)
3609   {
3610     strcpy(setup.player_name, last_player_name);
3611
3612     is_active = FALSE;
3613
3614     SetGameStatus(GAME_MODE_MAIN);
3615   }
3616
3617   if (is_active)
3618   {
3619     pos->width = (strlen(setup.player_name) + 1) * font_width;
3620     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3621
3622     DrawText(startx, starty, setup.player_name, font_active_nr);
3623     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3624   }
3625   else
3626   {
3627     pos->width = strlen(setup.player_name) * font_width;
3628     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3629
3630     DrawText(startx, starty, setup.player_name, font_nr);
3631
3632     StopTextInput();
3633   }
3634 }
3635
3636
3637 /* ========================================================================= */
3638 /* tree menu functions                                                       */
3639 /* ========================================================================= */
3640
3641 static void DrawChooseTree(TreeInfo **ti_ptr)
3642 {
3643   int fade_mask = REDRAW_FIELD;
3644
3645   if (CheckIfGlobalBorderHasChanged())
3646     fade_mask = REDRAW_ALL;
3647
3648   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3649   {
3650     SetGameStatus(GAME_MODE_MAIN);
3651
3652     DrawMainMenu();
3653
3654     return;
3655   }
3656
3657   UnmapAllGadgets();
3658
3659   FreeScreenGadgets();
3660   CreateScreenGadgets();
3661
3662   FadeOut(fade_mask);
3663
3664   /* needed if different viewport properties defined for choosing level (set) */
3665   ChangeViewportPropertiesIfNeeded();
3666
3667   if (game_status == GAME_MODE_LEVELNR)
3668     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
3669   else if (game_status == GAME_MODE_LEVELS)
3670     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
3671
3672   ClearField();
3673
3674   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3675
3676   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3677   MapScreenTreeGadgets(*ti_ptr);
3678
3679   DrawMaskedBorder(fade_mask);
3680
3681   FadeIn(fade_mask);
3682 }
3683
3684 static void drawChooseTreeList(int first_entry, int num_page_entries,
3685                                TreeInfo *ti)
3686 {
3687   int i;
3688   char *title_string = NULL;
3689   int yoffset_sets = MENU_TITLE1_YPOS;
3690   int yoffset_setup = 16;
3691   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3692                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3693
3694   title_string = ti->infotext;
3695
3696   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3697
3698   clearMenuListArea();
3699
3700   for (i = 0; i < num_page_entries; i++)
3701   {
3702     TreeInfo *node, *node_first;
3703     int entry_pos = first_entry + i;
3704     int xpos = MENU_SCREEN_START_XPOS;
3705     int ypos = MENU_SCREEN_START_YPOS + i;
3706     int startx = mSX + xpos * 32;
3707     int starty = mSY + ypos * 32;
3708     int font_nr = FONT_TEXT_1;
3709     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3710     int startx_text = startx + font_xoffset;
3711     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3712     int text_size = startx_scrollbar - startx_text;
3713     int max_buffer_len = text_size / getFontWidth(font_nr);
3714     char buffer[max_buffer_len + 1];
3715
3716     node_first = getTreeInfoFirstGroupEntry(ti);
3717     node = getTreeInfoFromPos(node_first, entry_pos);
3718
3719     strncpy(buffer, node->name, max_buffer_len);
3720     buffer[max_buffer_len] = '\0';
3721
3722     DrawText(startx, starty, buffer, font_nr + node->color);
3723
3724     if (node->parent_link)
3725       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3726     else if (node->level_group)
3727       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3728     else
3729       initCursor(i, IMG_MENU_BUTTON);
3730   }
3731
3732   redraw_mask |= REDRAW_FIELD;
3733 }
3734
3735 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3736 {
3737   TreeInfo *node, *node_first;
3738   int x, last_redraw_mask = redraw_mask;
3739   int ypos = MENU_TITLE2_YPOS;
3740   int font_nr = FONT_TITLE_2;
3741
3742   if (ti->type == TREE_TYPE_LEVEL_NR)
3743     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3744
3745   if (ti->type != TREE_TYPE_LEVEL_DIR)
3746     return;
3747
3748   node_first = getTreeInfoFirstGroupEntry(ti);
3749   node = getTreeInfoFromPos(node_first, entry_pos);
3750
3751   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3752
3753   if (node->parent_link)
3754     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3755                       node->node_parent->name);
3756   else if (node->level_group)
3757     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3758                       node->name);
3759   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3760     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3761                       node->levels, (node->levels > 1 ? "levels" : "level"),
3762                       node->class_desc);
3763
3764   /* let BackToFront() redraw only what is needed */
3765   redraw_mask = last_redraw_mask;
3766   for (x = 0; x < SCR_FIELDX; x++)
3767     MarkTileDirty(x, 1);
3768 }
3769
3770 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3771                              TreeInfo **ti_ptr)
3772 {
3773   TreeInfo *ti = *ti_ptr;
3774   int x = 0;
3775   int y = ti->cl_cursor;
3776   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3777   int num_entries = numTreeInfoInGroup(ti);
3778   int num_page_entries;
3779   boolean position_set_by_scrollbar = (dx == 999);
3780
3781   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3782     num_page_entries = num_entries;
3783   else
3784     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3785
3786   if (button == MB_MENU_INITIALIZE)
3787   {
3788     int num_entries = numTreeInfoInGroup(ti);
3789     int entry_pos = posTreeInfo(ti);
3790
3791     if (ti->cl_first == -1)
3792     {
3793       /* only on initialization */
3794       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3795       ti->cl_cursor = entry_pos - ti->cl_first;
3796     }
3797     else if (ti->cl_cursor >= num_page_entries ||
3798              (num_entries > num_page_entries &&
3799               num_entries - ti->cl_first < num_page_entries))
3800     {
3801       /* only after change of list size (by custom graphic configuration) */
3802       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3803       ti->cl_cursor = entry_pos - ti->cl_first;
3804     }
3805
3806     if (position_set_by_scrollbar)
3807       ti->cl_first = dy;
3808     else
3809       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3810                                 ti->cl_first, ti);
3811
3812     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3813     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3814     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3815
3816     return;
3817   }
3818   else if (button == MB_MENU_LEAVE)
3819   {
3820     FadeSetLeaveMenu();
3821
3822     PlaySound(SND_MENU_ITEM_SELECTING);
3823
3824     if (ti->node_parent)
3825     {
3826       *ti_ptr = ti->node_parent;
3827       DrawChooseTree(ti_ptr);
3828     }
3829     else if (game_status == GAME_MODE_SETUP)
3830     {
3831       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3832           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3833           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3834         execSetupGame();
3835       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3836                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
3837                setup_mode == SETUP_MODE_CHOOSE_RENDERING)
3838         execSetupGraphics();
3839       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3840                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3841                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3842         execSetupSound();
3843       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3844                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3845                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3846         execSetupTouch();
3847       else
3848         execSetupArtwork();
3849     }
3850     else
3851     {
3852       if (game_status == GAME_MODE_LEVELNR)
3853       {
3854         int new_level_nr = atoi(level_number_current->identifier);
3855
3856         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3857       }
3858
3859       SetGameStatus(GAME_MODE_MAIN);
3860
3861       DrawMainMenu();
3862     }
3863
3864     return;
3865   }
3866
3867   if (mx || my)         /* mouse input */
3868   {
3869     x = (mx - mSX) / 32;
3870     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3871   }
3872   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3873   {
3874     /* move cursor instead of scrolling when already at start/end of list */
3875     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3876       dy = -1;
3877     else if (dy == +1 * SCROLL_LINE &&
3878              ti->cl_first + num_page_entries == num_entries)
3879       dy = 1;
3880
3881     /* handle scrolling screen one line or page */
3882     if (ti->cl_cursor + dy < 0 ||
3883         ti->cl_cursor + dy > num_page_entries - 1)
3884     {
3885       boolean redraw = FALSE;
3886
3887       if (ABS(dy) == SCROLL_PAGE)
3888         step = num_page_entries - 1;
3889
3890       if (dy < 0 && ti->cl_first > 0)
3891       {
3892         /* scroll page/line up */
3893
3894         ti->cl_first -= step;
3895         if (ti->cl_first < 0)
3896           ti->cl_first = 0;
3897
3898         redraw = TRUE;
3899       }
3900       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3901       {
3902         /* scroll page/line down */
3903
3904         ti->cl_first += step;
3905         if (ti->cl_first + num_page_entries > num_entries)
3906           ti->cl_first = MAX(0, num_entries - num_page_entries);
3907
3908         redraw = TRUE;
3909       }
3910
3911       if (redraw)
3912       {
3913         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3914         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3915         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3916
3917         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3918                                   ti->cl_first, ti);
3919       }
3920
3921       return;
3922     }
3923
3924     /* handle moving cursor one line */
3925     y = ti->cl_cursor + dy;
3926   }
3927
3928   if (dx == 1)
3929   {
3930     TreeInfo *node_first, *node_cursor;
3931     int entry_pos = ti->cl_first + y;
3932
3933     node_first = getTreeInfoFirstGroupEntry(ti);
3934     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3935
3936     if (node_cursor->node_group)
3937     {
3938       FadeSetEnterMenu();
3939
3940       PlaySound(SND_MENU_ITEM_SELECTING);
3941
3942       node_cursor->cl_first = ti->cl_first;
3943       node_cursor->cl_cursor = ti->cl_cursor;
3944       *ti_ptr = node_cursor->node_group;
3945       DrawChooseTree(ti_ptr);
3946
3947       return;
3948     }
3949   }
3950   else if (dx == -1 && ti->node_parent)
3951   {
3952     FadeSetLeaveMenu();
3953
3954     PlaySound(SND_MENU_ITEM_SELECTING);
3955
3956     *ti_ptr = ti->node_parent;
3957     DrawChooseTree(ti_ptr);
3958
3959     return;
3960   }
3961
3962   if (!anyScrollbarGadgetActive() &&
3963       IN_VIS_MENU(x, y) &&
3964       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3965       y >= 0 && y < num_page_entries)
3966   {
3967     if (button)
3968     {
3969       if (y != ti->cl_cursor)
3970       {
3971         PlaySound(SND_MENU_ITEM_ACTIVATING);
3972
3973         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3974         drawChooseTreeCursor(y, TRUE);
3975         drawChooseTreeInfo(ti->cl_first + y, ti);
3976
3977         ti->cl_cursor = y;
3978       }
3979     }
3980     else
3981     {
3982       TreeInfo *node_first, *node_cursor;
3983       int entry_pos = ti->cl_first + y;
3984
3985       PlaySound(SND_MENU_ITEM_SELECTING);
3986
3987       node_first = getTreeInfoFirstGroupEntry(ti);
3988       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3989
3990       if (node_cursor->node_group)
3991       {
3992         FadeSetEnterMenu();
3993
3994         node_cursor->cl_first = ti->cl_first;
3995         node_cursor->cl_cursor = ti->cl_cursor;
3996         *ti_ptr = node_cursor->node_group;
3997         DrawChooseTree(ti_ptr);
3998       }
3999       else if (node_cursor->parent_link)
4000       {
4001         FadeSetLeaveMenu();
4002
4003         *ti_ptr = node_cursor->node_parent;
4004         DrawChooseTree(ti_ptr);
4005       }
4006       else
4007       {
4008         FadeSetEnterMenu();
4009
4010         node_cursor->cl_first = ti->cl_first;
4011         node_cursor->cl_cursor = ti->cl_cursor;
4012         *ti_ptr = node_cursor;
4013
4014         if (ti->type == TREE_TYPE_LEVEL_DIR)
4015         {
4016           LoadLevelSetup_SeriesInfo();
4017
4018           SaveLevelSetup_LastSeries();
4019           SaveLevelSetup_SeriesInfo();
4020           TapeErase();
4021         }
4022
4023         if (game_status == GAME_MODE_SETUP)
4024         {
4025           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4026               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4027               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4028             execSetupGame();
4029           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4030                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4031                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4032             execSetupGraphics();
4033           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4034                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4035                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4036             execSetupSound();
4037           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4038                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4039                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4040             execSetupTouch();
4041           else
4042             execSetupArtwork();
4043         }
4044         else
4045         {
4046           if (game_status == GAME_MODE_LEVELNR)
4047           {
4048             int new_level_nr = atoi(level_number_current->identifier);
4049
4050             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4051           }
4052
4053           SetGameStatus(GAME_MODE_MAIN);
4054
4055           DrawMainMenu();
4056         }
4057       }
4058     }
4059   }
4060 }
4061
4062 void DrawChooseLevelSet()
4063 {
4064   FadeMenuSoundsAndMusic();
4065
4066   DrawChooseTree(&leveldir_current);
4067
4068   PlayMenuSoundsAndMusic();
4069 }
4070
4071 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4072 {
4073   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4074 }
4075
4076 void DrawChooseLevelNr()
4077 {
4078   int i;
4079
4080   FadeMenuSoundsAndMusic();
4081
4082   if (level_number != NULL)
4083   {
4084     freeTreeInfo(level_number);
4085
4086     level_number = NULL;
4087   }
4088
4089   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4090   {
4091     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4092     char identifier[32], name[32];
4093     int value = i;
4094
4095     /* temporarily load level info to get level name */
4096     LoadLevelInfoOnly(i);
4097
4098     ti->node_top = &level_number;
4099     ti->sort_priority = 10000 + value;
4100     ti->color = (level.no_valid_file ? FC_BLUE :
4101                  LevelStats_getSolved(i) ? FC_GREEN :
4102                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4103
4104     sprintf(identifier, "%d", value);
4105     sprintf(name, "%03d: %s", value,
4106             (level.no_valid_file ? "(no file)" : level.name));
4107
4108     setString(&ti->identifier, identifier);
4109     setString(&ti->name, name);
4110     setString(&ti->name_sorting, name);
4111
4112     pushTreeInfo(&level_number, ti);
4113   }
4114
4115   /* sort level number values to start with lowest level number */
4116   sortTreeInfo(&level_number);
4117
4118   /* set current level number to current level number */
4119   level_number_current =
4120     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4121
4122   /* if that also fails, set current level number to first available level */
4123   if (level_number_current == NULL)
4124     level_number_current = level_number;
4125
4126   DrawChooseTree(&level_number_current);
4127
4128   PlayMenuSoundsAndMusic();
4129 }
4130
4131 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4132 {
4133   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4134 }
4135
4136 void DrawHallOfFame(int highlight_position)
4137 {
4138   int fade_mask = REDRAW_FIELD;
4139
4140   if (CheckIfGlobalBorderHasChanged())
4141     fade_mask = REDRAW_ALL;
4142
4143   UnmapAllGadgets();
4144   FadeMenuSoundsAndMusic();
4145
4146   /* (this is needed when called from GameEnd() after winning a game) */
4147   KeyboardAutoRepeatOn();
4148   ActivateJoystick();
4149
4150   /* (this is needed when called from GameEnd() after winning a game) */
4151   SetDrawDeactivationMask(REDRAW_NONE);
4152   SetDrawBackgroundMask(REDRAW_FIELD);
4153
4154   if (highlight_position < 0)
4155     LoadScore(level_nr);
4156
4157   FadeSetEnterScreen();
4158
4159   FadeOut(fade_mask);
4160
4161   /* needed if different viewport properties defined for scores */
4162   ChangeViewportPropertiesIfNeeded();
4163
4164   PlayMenuSoundsAndMusic();
4165
4166   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4167
4168   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4169
4170   DrawMaskedBorder(fade_mask);
4171
4172   FadeIn(fade_mask);
4173 }
4174
4175 static void drawHallOfFameList(int first_entry, int highlight_position)
4176 {
4177   int i, j;
4178
4179   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4180   ClearField();
4181
4182   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4183   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4184                     "HighScores of Level %d", level_nr);
4185
4186   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4187   {
4188     int entry = first_entry + i;
4189     boolean active = (entry == highlight_position);
4190     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4191     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4192     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4193     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4194     int dxoff = getFontDrawOffsetX(font_nr1);
4195     int dx1 = 3 * getFontWidth(font_nr1);
4196     int dx2 = dx1 + getFontWidth(font_nr1);
4197     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4198     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4199     int sy = mSY + 64 + i * 32;
4200
4201     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4202     DrawText(mSX + dx1, sy, ".", font_nr1);
4203
4204     for (j = 0; j < num_dots; j++)
4205       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4206
4207     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4208       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4209
4210     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4211   }
4212
4213   redraw_mask |= REDRAW_FIELD;
4214 }
4215
4216 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4217 {
4218   static int first_entry = 0;
4219   static int highlight_position = 0;
4220   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4221
4222   if (button == MB_MENU_INITIALIZE)
4223   {
4224     first_entry = 0;
4225     highlight_position = mx;
4226     drawHallOfFameList(first_entry, highlight_position);
4227
4228     return;
4229   }
4230
4231   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4232     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4233
4234   if (dy < 0)
4235   {
4236     if (first_entry > 0)
4237     {
4238       first_entry -= step;
4239       if (first_entry < 0)
4240         first_entry = 0;
4241
4242       drawHallOfFameList(first_entry, highlight_position);
4243     }
4244   }
4245   else if (dy > 0)
4246   {
4247     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4248     {
4249       first_entry += step;
4250       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4251         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4252
4253       drawHallOfFameList(first_entry, highlight_position);
4254     }
4255   }
4256   else if (button == MB_MENU_LEAVE)
4257   {
4258     PlaySound(SND_MENU_ITEM_SELECTING);
4259
4260     FadeSound(SND_BACKGROUND_SCORES);
4261
4262     SetGameStatus(GAME_MODE_MAIN);
4263
4264     DrawMainMenu();
4265   }
4266   else if (button == MB_MENU_CHOICE)
4267   {
4268     PlaySound(SND_MENU_ITEM_SELECTING);
4269
4270     FadeSound(SND_BACKGROUND_SCORES);
4271
4272     SetGameStatus(GAME_MODE_MAIN);
4273
4274     DrawMainMenu();
4275   }
4276
4277   if (game_status == GAME_MODE_SCORES)
4278     PlayMenuSoundIfLoop();
4279 }
4280
4281
4282 /* ========================================================================= */
4283 /* setup screen functions                                                    */
4284 /* ========================================================================= */
4285
4286 static struct TokenInfo *setup_info;
4287 static int num_setup_info;      /* number of setup entries shown on screen */
4288 static int max_setup_info;      /* total number of setup entries in list */
4289
4290 static char *window_size_text;
4291 static char *scaling_type_text;
4292 static char *rendering_mode_text;
4293 static char *scroll_delay_text;
4294 static char *snapshot_mode_text;
4295 static char *game_speed_text;
4296 static char *graphics_set_name;
4297 static char *sounds_set_name;
4298 static char *music_set_name;
4299 static char *volume_simple_text;
4300 static char *volume_loops_text;
4301 static char *volume_music_text;
4302 static char *touch_controls_text;
4303 static char *move_distance_text;
4304 static char *drop_distance_text;
4305
4306 static void execSetupMain()
4307 {
4308   setup_mode = SETUP_MODE_MAIN;
4309
4310   DrawSetupScreen();
4311 }
4312
4313 static void execSetupGame_setGameSpeeds()
4314 {
4315   if (game_speeds == NULL)
4316   {
4317     int i;
4318
4319     for (i = 0; game_speeds_list[i].value != -1; i++)
4320     {
4321       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4322       char identifier[32], name[32];
4323       int value = game_speeds_list[i].value;
4324       char *text = game_speeds_list[i].text;
4325
4326       ti->node_top = &game_speeds;
4327       ti->sort_priority = 10000 - value;
4328
4329       sprintf(identifier, "%d", value);
4330       sprintf(name, "%s", text);
4331
4332       setString(&ti->identifier, identifier);
4333       setString(&ti->name, name);
4334       setString(&ti->name_sorting, name);
4335       setString(&ti->infotext, "Game Speed");
4336
4337       pushTreeInfo(&game_speeds, ti);
4338     }
4339
4340     /* sort game speed values to start with slowest game speed */
4341     sortTreeInfo(&game_speeds);
4342
4343     /* set current game speed to configured game speed value */
4344     game_speed_current =
4345       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4346
4347     /* if that fails, set current game speed to reliable default value */
4348     if (game_speed_current == NULL)
4349       game_speed_current =
4350         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4351
4352     /* if that also fails, set current game speed to first available speed */
4353     if (game_speed_current == NULL)
4354       game_speed_current = game_speeds;
4355   }
4356
4357   setup.game_frame_delay = atoi(game_speed_current->identifier);
4358
4359   /* needed for displaying game speed text instead of identifier */
4360   game_speed_text = game_speed_current->name;
4361 }
4362
4363 static void execSetupGame_setScrollDelays()
4364 {
4365   if (scroll_delays == NULL)
4366   {
4367     int i;
4368
4369     for (i = 0; scroll_delays_list[i].value != -1; i++)
4370     {
4371       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4372       char identifier[32], name[32];
4373       int value = scroll_delays_list[i].value;
4374       char *text = scroll_delays_list[i].text;
4375
4376       ti->node_top = &scroll_delays;
4377       ti->sort_priority = value;
4378
4379       sprintf(identifier, "%d", value);
4380       sprintf(name, "%s", text);
4381
4382       setString(&ti->identifier, identifier);
4383       setString(&ti->name, name);
4384       setString(&ti->name_sorting, name);
4385       setString(&ti->infotext, "Scroll Delay");
4386
4387       pushTreeInfo(&scroll_delays, ti);
4388     }
4389
4390     /* sort scroll delay values to start with lowest scroll delay value */
4391     sortTreeInfo(&scroll_delays);
4392
4393     /* set current scroll delay value to configured scroll delay value */
4394     scroll_delay_current =
4395       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4396
4397     /* if that fails, set current scroll delay to reliable default value */
4398     if (scroll_delay_current == NULL)
4399       scroll_delay_current =
4400         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4401
4402     /* if that also fails, set current scroll delay to first available value */
4403     if (scroll_delay_current == NULL)
4404       scroll_delay_current = scroll_delays;
4405   }
4406
4407   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4408
4409   /* needed for displaying scroll delay text instead of identifier */
4410   scroll_delay_text = scroll_delay_current->name;
4411 }
4412
4413 static void execSetupGame_setSnapshotModes()
4414 {
4415   if (snapshot_modes == NULL)
4416   {
4417     int i;
4418
4419     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4420     {
4421       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4422       char identifier[32], name[32];
4423       char *value = snapshot_modes_list[i].value;
4424       char *text = snapshot_modes_list[i].text;
4425
4426       ti->node_top = &snapshot_modes;
4427       ti->sort_priority = i;
4428
4429       sprintf(identifier, "%s", value);
4430       sprintf(name, "%s", text);
4431
4432       setString(&ti->identifier, identifier);
4433       setString(&ti->name, name);
4434       setString(&ti->name_sorting, name);
4435       setString(&ti->infotext, "Snapshot Mode");
4436
4437       pushTreeInfo(&snapshot_modes, ti);
4438     }
4439
4440     /* sort snapshot mode values to start with lowest snapshot mode value */
4441     sortTreeInfo(&snapshot_modes);
4442
4443     /* set current snapshot mode value to configured snapshot mode value */
4444     snapshot_mode_current =
4445       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4446
4447     /* if that fails, set current snapshot mode to reliable default value */
4448     if (snapshot_mode_current == NULL)
4449       snapshot_mode_current =
4450         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4451
4452     /* if that also fails, set current snapshot mode to first available value */
4453     if (snapshot_mode_current == NULL)
4454       snapshot_mode_current = snapshot_modes;
4455   }
4456
4457   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4458
4459   /* needed for displaying snapshot mode text instead of identifier */
4460   snapshot_mode_text = snapshot_mode_current->name;
4461 }
4462
4463 static void execSetupGame()
4464 {
4465   execSetupGame_setGameSpeeds();
4466   execSetupGame_setScrollDelays();
4467   execSetupGame_setSnapshotModes();
4468
4469   setup_mode = SETUP_MODE_GAME;
4470
4471   DrawSetupScreen();
4472 }
4473
4474 static void execSetupChooseGameSpeed()
4475 {
4476   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4477
4478   DrawSetupScreen();
4479 }
4480
4481 static void execSetupChooseScrollDelay()
4482 {
4483   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4484
4485   DrawSetupScreen();
4486 }
4487
4488 static void execSetupChooseSnapshotMode()
4489 {
4490   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4491
4492   DrawSetupScreen();
4493 }
4494
4495 static void execSetupEditor()
4496 {
4497   setup_mode = SETUP_MODE_EDITOR;
4498
4499   DrawSetupScreen();
4500 }
4501
4502 static void execSetupGraphics_setWindowSizes(boolean update_list)
4503 {
4504   if (window_sizes != NULL && update_list)
4505   {
4506     freeTreeInfo(window_sizes);
4507
4508     window_sizes = NULL;
4509   }
4510
4511   if (window_sizes == NULL)
4512   {
4513     boolean current_window_size_found = FALSE;
4514     int i;
4515
4516     for (i = 0; window_sizes_list[i].value != -1; i++)
4517     {
4518       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4519       char identifier[32], name[32];
4520       int value = window_sizes_list[i].value;
4521       char *text = window_sizes_list[i].text;
4522
4523       ti->node_top = &window_sizes;
4524       ti->sort_priority = value;
4525
4526       sprintf(identifier, "%d", value);
4527       sprintf(name, "%s", text);
4528
4529       setString(&ti->identifier, identifier);
4530       setString(&ti->name, name);
4531       setString(&ti->name_sorting, name);
4532       setString(&ti->infotext, "Window Scaling");
4533
4534       pushTreeInfo(&window_sizes, ti);
4535
4536       if (value == setup.window_scaling_percent)
4537         current_window_size_found = TRUE;
4538     }
4539
4540     if (!current_window_size_found)
4541     {
4542       // add entry for non-preset window scaling value
4543
4544       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4545       char identifier[32], name[32];
4546       int value = setup.window_scaling_percent;
4547
4548       ti->node_top = &window_sizes;
4549       ti->sort_priority = value;
4550
4551       sprintf(identifier, "%d", value);
4552       sprintf(name, "%d %% (Current)", value);
4553
4554       setString(&ti->identifier, identifier);
4555       setString(&ti->name, name);
4556       setString(&ti->name_sorting, name);
4557       setString(&ti->infotext, "Window Scaling");
4558
4559       pushTreeInfo(&window_sizes, ti);
4560     }
4561
4562     /* sort window size values to start with lowest window size value */
4563     sortTreeInfo(&window_sizes);
4564
4565     /* set current window size value to configured window size value */
4566     window_size_current =
4567       getTreeInfoFromIdentifier(window_sizes,
4568                                 i_to_a(setup.window_scaling_percent));
4569
4570     /* if that fails, set current window size to reliable default value */
4571     if (window_size_current == NULL)
4572       window_size_current =
4573         getTreeInfoFromIdentifier(window_sizes,
4574                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4575
4576     /* if that also fails, set current window size to first available value */
4577     if (window_size_current == NULL)
4578       window_size_current = window_sizes;
4579   }
4580
4581   setup.window_scaling_percent = atoi(window_size_current->identifier);
4582
4583   /* needed for displaying window size text instead of identifier */
4584   window_size_text = window_size_current->name;
4585 }
4586
4587 static void execSetupGraphics_setScalingTypes()
4588 {
4589   if (scaling_types == NULL)
4590   {
4591     int i;
4592
4593     for (i = 0; scaling_types_list[i].value != NULL; i++)
4594     {
4595       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4596       char identifier[32], name[32];
4597       char *value = scaling_types_list[i].value;
4598       char *text = scaling_types_list[i].text;
4599
4600       ti->node_top = &scaling_types;
4601       ti->sort_priority = i;
4602
4603       sprintf(identifier, "%s", value);
4604       sprintf(name, "%s", text);
4605
4606       setString(&ti->identifier, identifier);
4607       setString(&ti->name, name);
4608       setString(&ti->name_sorting, name);
4609       setString(&ti->infotext, "Anti-Aliasing");
4610
4611       pushTreeInfo(&scaling_types, ti);
4612     }
4613
4614     /* sort scaling type values to start with lowest scaling type value */
4615     sortTreeInfo(&scaling_types);
4616
4617     /* set current scaling type value to configured scaling type value */
4618     scaling_type_current =
4619       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4620
4621     /* if that fails, set current scaling type to reliable default value */
4622     if (scaling_type_current == NULL)
4623       scaling_type_current =
4624         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4625
4626     /* if that also fails, set current scaling type to first available value */
4627     if (scaling_type_current == NULL)
4628       scaling_type_current = scaling_types;
4629   }
4630
4631   setup.window_scaling_quality = scaling_type_current->identifier;
4632
4633   /* needed for displaying scaling type text instead of identifier */
4634   scaling_type_text = scaling_type_current->name;
4635 }
4636
4637 static void execSetupGraphics_setRenderingModes()
4638 {
4639   if (rendering_modes == NULL)
4640   {
4641     int i;
4642
4643     for (i = 0; rendering_modes_list[i].value != NULL; i++)
4644     {
4645       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4646       char identifier[32], name[32];
4647       char *value = rendering_modes_list[i].value;
4648       char *text = rendering_modes_list[i].text;
4649
4650       ti->node_top = &rendering_modes;
4651       ti->sort_priority = i;
4652
4653       sprintf(identifier, "%s", value);
4654       sprintf(name, "%s", text);
4655
4656       setString(&ti->identifier, identifier);
4657       setString(&ti->name, name);
4658       setString(&ti->name_sorting, name);
4659       setString(&ti->infotext, "Special Rendering");
4660
4661       pushTreeInfo(&rendering_modes, ti);
4662     }
4663
4664     /* sort rendering mode values to start with lowest rendering mode value */
4665     sortTreeInfo(&rendering_modes);
4666
4667     /* set current rendering mode value to configured rendering mode value */
4668     rendering_mode_current =
4669       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
4670
4671     /* if that fails, set current rendering mode to reliable default value */
4672     if (rendering_mode_current == NULL)
4673       rendering_mode_current =
4674         getTreeInfoFromIdentifier(rendering_modes,
4675                                   STR_SPECIAL_RENDERING_DEFAULT);
4676
4677     /* if that also fails, set current rendering mode to first available one */
4678     if (rendering_mode_current == NULL)
4679       rendering_mode_current = rendering_modes;
4680   }
4681
4682   setup.screen_rendering_mode = rendering_mode_current->identifier;
4683
4684   /* needed for displaying rendering mode text instead of identifier */
4685   rendering_mode_text = rendering_mode_current->name;
4686 }
4687
4688 static void execSetupGraphics()
4689 {
4690   // update "setup.window_scaling_percent" from list selection
4691   // (in this case, window scaling was changed on setup screen)
4692   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4693     execSetupGraphics_setWindowSizes(FALSE);
4694
4695   // update list selection from "setup.window_scaling_percent"
4696   // (window scaling may have changed by resizing the window)
4697   execSetupGraphics_setWindowSizes(TRUE);
4698
4699   execSetupGraphics_setScalingTypes();
4700   execSetupGraphics_setRenderingModes();
4701
4702   setup_mode = SETUP_MODE_GRAPHICS;
4703
4704   DrawSetupScreen();
4705
4706 #if defined(TARGET_SDL2)
4707   // window scaling may have changed at this point
4708   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4709
4710   // window scaling quality may have changed at this point
4711   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4712     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4713
4714   // screen rendering mode may have changed at this point
4715   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
4716 #endif
4717 }
4718
4719 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
4720 static void execSetupChooseWindowSize()
4721 {
4722   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4723
4724   DrawSetupScreen();
4725 }
4726
4727 static void execSetupChooseScalingType()
4728 {
4729   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4730
4731   DrawSetupScreen();
4732 }
4733
4734 static void execSetupChooseRenderingMode()
4735 {
4736   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
4737
4738   DrawSetupScreen();
4739 }
4740 #endif
4741
4742 static void execSetupChooseVolumeSimple()
4743 {
4744   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4745
4746   DrawSetupScreen();
4747 }
4748
4749 static void execSetupChooseVolumeLoops()
4750 {
4751   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4752
4753   DrawSetupScreen();
4754 }
4755
4756 static void execSetupChooseVolumeMusic()
4757 {
4758   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4759
4760   DrawSetupScreen();
4761 }
4762
4763 static void execSetupSound()
4764 {
4765   if (volumes_simple == NULL)
4766   {
4767     boolean current_volume_simple_found = FALSE;
4768     int i;
4769
4770     for (i = 0; volumes_list[i].value != -1; i++)
4771     {
4772       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4773       char identifier[32], name[32];
4774       int value = volumes_list[i].value;
4775       char *text = volumes_list[i].text;
4776
4777       ti->node_top = &volumes_simple;
4778       ti->sort_priority = value;
4779
4780       sprintf(identifier, "%d", value);
4781       sprintf(name, "%s", text);
4782
4783       setString(&ti->identifier, identifier);
4784       setString(&ti->name, name);
4785       setString(&ti->name_sorting, name);
4786       setString(&ti->infotext, "Sound Volume");
4787
4788       pushTreeInfo(&volumes_simple, ti);
4789
4790       if (value == setup.volume_simple)
4791         current_volume_simple_found = TRUE;
4792     }
4793
4794     if (!current_volume_simple_found)
4795     {
4796       // add entry for non-preset volume value
4797
4798       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4799       char identifier[32], name[32];
4800       int value = setup.volume_simple;
4801
4802       ti->node_top = &volumes_simple;
4803       ti->sort_priority = value;
4804
4805       sprintf(identifier, "%d", value);
4806       sprintf(name, "%d %% (Current)", value);
4807
4808       setString(&ti->identifier, identifier);
4809       setString(&ti->name, name);
4810       setString(&ti->name_sorting, name);
4811       setString(&ti->infotext, "Sound Volume");
4812
4813       pushTreeInfo(&volumes_simple, ti);
4814     }
4815
4816     /* sort volume values to start with lowest volume value */
4817     sortTreeInfo(&volumes_simple);
4818
4819     /* set current volume value to configured volume value */
4820     volume_simple_current =
4821       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4822
4823     /* if that fails, set current volume to reliable default value */
4824     if (volume_simple_current == NULL)
4825       volume_simple_current =
4826         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4827
4828     /* if that also fails, set current volume to first available value */
4829     if (volume_simple_current == NULL)
4830       volume_simple_current = volumes_simple;
4831   }
4832
4833   if (volumes_loops == NULL)
4834   {
4835     boolean current_volume_loops_found = FALSE;
4836     int i;
4837
4838     for (i = 0; volumes_list[i].value != -1; i++)
4839     {
4840       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4841       char identifier[32], name[32];
4842       int value = volumes_list[i].value;
4843       char *text = volumes_list[i].text;
4844
4845       ti->node_top = &volumes_loops;
4846       ti->sort_priority = value;
4847
4848       sprintf(identifier, "%d", value);
4849       sprintf(name, "%s", text);
4850
4851       setString(&ti->identifier, identifier);
4852       setString(&ti->name, name);
4853       setString(&ti->name_sorting, name);
4854       setString(&ti->infotext, "Loops Volume");
4855
4856       pushTreeInfo(&volumes_loops, ti);
4857
4858       if (value == setup.volume_loops)
4859         current_volume_loops_found = TRUE;
4860     }
4861
4862     if (!current_volume_loops_found)
4863     {
4864       // add entry for non-preset volume value
4865
4866       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4867       char identifier[32], name[32];
4868       int value = setup.volume_loops;
4869
4870       ti->node_top = &volumes_loops;
4871       ti->sort_priority = value;
4872
4873       sprintf(identifier, "%d", value);
4874       sprintf(name, "%d %% (Current)", value);
4875
4876       setString(&ti->identifier, identifier);
4877       setString(&ti->name, name);
4878       setString(&ti->name_sorting, name);
4879       setString(&ti->infotext, "Loops Volume");
4880
4881       pushTreeInfo(&volumes_loops, ti);
4882     }
4883
4884     /* sort volume values to start with lowest volume value */
4885     sortTreeInfo(&volumes_loops);
4886
4887     /* set current volume value to configured volume value */
4888     volume_loops_current =
4889       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4890
4891     /* if that fails, set current volume to reliable default value */
4892     if (volume_loops_current == NULL)
4893       volume_loops_current =
4894         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4895
4896     /* if that also fails, set current volume to first available value */
4897     if (volume_loops_current == NULL)
4898       volume_loops_current = volumes_loops;
4899   }
4900
4901   if (volumes_music == NULL)
4902   {
4903     boolean current_volume_music_found = FALSE;
4904     int i;
4905
4906     for (i = 0; volumes_list[i].value != -1; i++)
4907     {
4908       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4909       char identifier[32], name[32];
4910       int value = volumes_list[i].value;
4911       char *text = volumes_list[i].text;
4912
4913       ti->node_top = &volumes_music;
4914       ti->sort_priority = value;
4915
4916       sprintf(identifier, "%d", value);
4917       sprintf(name, "%s", text);
4918
4919       setString(&ti->identifier, identifier);
4920       setString(&ti->name, name);
4921       setString(&ti->name_sorting, name);
4922       setString(&ti->infotext, "Music Volume");
4923
4924       pushTreeInfo(&volumes_music, ti);
4925
4926       if (value == setup.volume_music)
4927         current_volume_music_found = TRUE;
4928     }
4929
4930     if (!current_volume_music_found)
4931     {
4932       // add entry for non-preset volume value
4933
4934       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4935       char identifier[32], name[32];
4936       int value = setup.volume_music;
4937
4938       ti->node_top = &volumes_music;
4939       ti->sort_priority = value;
4940
4941       sprintf(identifier, "%d", value);
4942       sprintf(name, "%d %% (Current)", value);
4943
4944       setString(&ti->identifier, identifier);
4945       setString(&ti->name, name);
4946       setString(&ti->name_sorting, name);
4947       setString(&ti->infotext, "Music Volume");
4948
4949       pushTreeInfo(&volumes_music, ti);
4950     }
4951
4952     /* sort volume values to start with lowest volume value */
4953     sortTreeInfo(&volumes_music);
4954
4955     /* set current volume value to configured volume value */
4956     volume_music_current =
4957       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4958
4959     /* if that fails, set current volume to reliable default value */
4960     if (volume_music_current == NULL)
4961       volume_music_current =
4962         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4963
4964     /* if that also fails, set current volume to first available value */
4965     if (volume_music_current == NULL)
4966       volume_music_current = volumes_music;
4967   }
4968
4969   setup.volume_simple = atoi(volume_simple_current->identifier);
4970   setup.volume_loops  = atoi(volume_loops_current->identifier);
4971   setup.volume_music  = atoi(volume_music_current->identifier);
4972
4973   /* needed for displaying volume text instead of identifier */
4974   volume_simple_text = volume_simple_current->name;
4975   volume_loops_text = volume_loops_current->name;
4976   volume_music_text = volume_music_current->name;
4977
4978   setup_mode = SETUP_MODE_SOUND;
4979
4980   DrawSetupScreen();
4981 }
4982
4983 static void execSetupChooseTouchControls()
4984 {
4985   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
4986
4987   DrawSetupScreen();
4988 }
4989
4990 static void execSetupChooseMoveDistance()
4991 {
4992   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
4993
4994   DrawSetupScreen();
4995 }
4996
4997 static void execSetupChooseDropDistance()
4998 {
4999   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5000
5001   DrawSetupScreen();
5002 }
5003
5004 static void execSetupTouch()
5005 {
5006   if (touch_controls == NULL)
5007   {
5008     int i;
5009
5010     for (i = 0; touch_controls_list[i].value != NULL; i++)
5011     {
5012       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5013       char identifier[32], name[32];
5014       char *value = touch_controls_list[i].value;
5015       char *text = touch_controls_list[i].text;
5016
5017       ti->node_top = &touch_controls;
5018       ti->sort_priority = i;
5019
5020       sprintf(identifier, "%s", value);
5021       sprintf(name, "%s", text);
5022
5023       setString(&ti->identifier, identifier);
5024       setString(&ti->name, name);
5025       setString(&ti->name_sorting, name);
5026       setString(&ti->infotext, "Control Type");
5027
5028       pushTreeInfo(&touch_controls, ti);
5029     }
5030
5031     /* sort touch control values to start with lowest touch control value */
5032     sortTreeInfo(&touch_controls);
5033
5034     /* set current touch control value to configured touch control value */
5035     touch_control_current =
5036       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5037
5038     /* if that fails, set current touch control to reliable default value */
5039     if (touch_control_current == NULL)
5040       touch_control_current =
5041         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5042
5043     /* if that also fails, set current touch control to first available value */
5044     if (touch_control_current == NULL)
5045       touch_control_current = touch_controls;
5046   }
5047
5048   if (move_distances == NULL)
5049   {
5050     int i;
5051
5052     for (i = 0; distances_list[i].value != -1; i++)
5053     {
5054       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5055       char identifier[32], name[32];
5056       int value = distances_list[i].value;
5057       char *text = distances_list[i].text;
5058
5059       ti->node_top = &move_distances;
5060       ti->sort_priority = value;
5061
5062       sprintf(identifier, "%d", value);
5063       sprintf(name, "%s", text);
5064
5065       setString(&ti->identifier, identifier);
5066       setString(&ti->name, name);
5067       setString(&ti->name_sorting, name);
5068       setString(&ti->infotext, "Move Distance");
5069
5070       pushTreeInfo(&move_distances, ti);
5071     }
5072
5073     /* sort distance values to start with lowest distance value */
5074     sortTreeInfo(&move_distances);
5075
5076     /* set current distance value to configured distance value */
5077     move_distance_current =
5078       getTreeInfoFromIdentifier(move_distances,
5079                                 i_to_a(setup.touch.move_distance));
5080
5081     /* if that fails, set current distance to reliable default value */
5082     if (move_distance_current == NULL)
5083       move_distance_current =
5084         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5085
5086     /* if that also fails, set current distance to first available value */
5087     if (move_distance_current == NULL)
5088       move_distance_current = move_distances;
5089   }
5090
5091   if (drop_distances == NULL)
5092   {
5093     int i;
5094
5095     for (i = 0; distances_list[i].value != -1; i++)
5096     {
5097       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5098       char identifier[32], name[32];
5099       int value = distances_list[i].value;
5100       char *text = distances_list[i].text;
5101
5102       ti->node_top = &drop_distances;
5103       ti->sort_priority = value;
5104
5105       sprintf(identifier, "%d", value);
5106       sprintf(name, "%s", text);
5107
5108       setString(&ti->identifier, identifier);
5109       setString(&ti->name, name);
5110       setString(&ti->name_sorting, name);
5111       setString(&ti->infotext, "Drop Distance");
5112
5113       pushTreeInfo(&drop_distances, ti);
5114     }
5115
5116     /* sort distance values to start with lowest distance value */
5117     sortTreeInfo(&drop_distances);
5118
5119     /* set current distance value to configured distance value */
5120     drop_distance_current =
5121       getTreeInfoFromIdentifier(drop_distances,
5122                                 i_to_a(setup.touch.drop_distance));
5123
5124     /* if that fails, set current distance to reliable default value */
5125     if (drop_distance_current == NULL)
5126       drop_distance_current =
5127         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5128
5129     /* if that also fails, set current distance to first available value */
5130     if (drop_distance_current == NULL)
5131       drop_distance_current = drop_distances;
5132   }
5133
5134   setup.touch.control_type = touch_control_current->identifier;
5135   setup.touch.move_distance = atoi(move_distance_current->identifier);
5136   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5137
5138   /* needed for displaying volume text instead of identifier */
5139   touch_controls_text = touch_control_current->name;
5140   move_distance_text = move_distance_current->name;
5141   drop_distance_text = drop_distance_current->name;
5142
5143   setup_mode = SETUP_MODE_TOUCH;
5144
5145   DrawSetupScreen();
5146 }
5147
5148 static void execSetupArtwork()
5149 {
5150 #if 0
5151   printf("::: '%s', '%s', '%s'\n",
5152          artwork.gfx_current->subdir,
5153          artwork.gfx_current->fullpath,
5154          artwork.gfx_current->basepath);
5155 #endif
5156
5157   setup.graphics_set = artwork.gfx_current->identifier;
5158   setup.sounds_set = artwork.snd_current->identifier;
5159   setup.music_set = artwork.mus_current->identifier;
5160
5161   /* needed if last screen (setup choice) changed graphics, sounds or music */
5162   ReloadCustomArtwork(0);
5163
5164   /* needed for displaying artwork name instead of artwork identifier */
5165   graphics_set_name = artwork.gfx_current->name;
5166   sounds_set_name = artwork.snd_current->name;
5167   music_set_name = artwork.mus_current->name;
5168
5169   setup_mode = SETUP_MODE_ARTWORK;
5170
5171   DrawSetupScreen();
5172 }
5173
5174 static void execSetupChooseGraphics()
5175 {
5176   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5177
5178   DrawSetupScreen();
5179 }
5180
5181 static void execSetupChooseSounds()
5182 {
5183   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5184
5185   DrawSetupScreen();
5186 }
5187
5188 static void execSetupChooseMusic()
5189 {
5190   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5191
5192   DrawSetupScreen();
5193 }
5194
5195 #if !defined(PLATFORM_ANDROID)
5196 static void execSetupInput()
5197 {
5198   setup_mode = SETUP_MODE_INPUT;
5199
5200   DrawSetupScreen();
5201 }
5202 #endif
5203
5204 static void execSetupShortcuts()
5205 {
5206   setup_mode = SETUP_MODE_SHORTCUTS;
5207
5208   DrawSetupScreen();
5209 }
5210
5211 static void execSetupShortcuts1()
5212 {
5213   setup_mode = SETUP_MODE_SHORTCUTS_1;
5214
5215   DrawSetupScreen();
5216 }
5217
5218 static void execSetupShortcuts2()
5219 {
5220   setup_mode = SETUP_MODE_SHORTCUTS_2;
5221
5222   DrawSetupScreen();
5223 }
5224
5225 static void execSetupShortcuts3()
5226 {
5227   setup_mode = SETUP_MODE_SHORTCUTS_3;
5228
5229   DrawSetupScreen();
5230 }
5231
5232 static void execSetupShortcuts4()
5233 {
5234   setup_mode = SETUP_MODE_SHORTCUTS_4;
5235
5236   DrawSetupScreen();
5237 }
5238
5239 static void execSetupShortcuts5()
5240 {
5241   setup_mode = SETUP_MODE_SHORTCUTS_5;
5242
5243   DrawSetupScreen();
5244 }
5245
5246 static void execExitSetup()
5247 {
5248   SetGameStatus(GAME_MODE_MAIN);
5249
5250   DrawMainMenu();
5251 }
5252
5253 static void execSaveAndExitSetup()
5254 {
5255   SaveSetup();
5256   execExitSetup();
5257 }
5258
5259 static struct TokenInfo setup_info_main[] =
5260 {
5261   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5262   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5263   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5264   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5265   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5266 #if !defined(PLATFORM_ANDROID)
5267   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5268   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5269 #else
5270   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5271 #endif
5272   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5273   { TYPE_EMPTY,         NULL,                   ""                      },
5274   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5275   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5276
5277   { 0,                  NULL,                   NULL                    }
5278 };
5279
5280 static struct TokenInfo setup_info_game[] =
5281 {
5282   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5283   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5284   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5285   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5286   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5287   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5288   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5289   { TYPE_STRING,        &game_speed_text,       ""                      },
5290 #if 1
5291   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5292   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5293 #endif
5294   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5295   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5296   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5297   { TYPE_EMPTY,         NULL,                   ""                      },
5298   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5299
5300   { 0,                  NULL,                   NULL                    }
5301 };
5302
5303 static struct TokenInfo setup_info_editor[] =
5304 {
5305 #if 0
5306   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5307   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5308   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5309   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5310   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5311   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5312   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5313   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5314 #endif
5315   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5316   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5317   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5318 #if 0
5319   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5320 #endif
5321   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5322   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5323   { TYPE_EMPTY,         NULL,                   ""                      },
5324 #if 0
5325   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5326   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5327   { TYPE_EMPTY,         NULL,                   ""                      },
5328 #endif
5329   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5330   { TYPE_EMPTY,         NULL,                   ""                      },
5331   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5332
5333   { 0,                  NULL,                   NULL                    }
5334 };
5335
5336 static struct TokenInfo setup_info_graphics[] =
5337 {
5338 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
5339   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5340   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5341   { TYPE_STRING,        &window_size_text,      ""                      },
5342   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5343   { TYPE_STRING,        &scaling_type_text,     ""                      },
5344   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
5345   { TYPE_STRING,        &rendering_mode_text,   ""                      },
5346 #endif
5347 #if 0
5348   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5349   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5350 #endif
5351   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5352   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5353   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5354   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5355   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5356   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5357   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5358   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5359   { TYPE_EMPTY,         NULL,                   ""                      },
5360   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5361
5362   { 0,                  NULL,                   NULL                    }
5363 };
5364
5365 static struct TokenInfo setup_info_sound[] =
5366 {
5367   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5368   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5369   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5370   { TYPE_EMPTY,         NULL,                   ""                      },
5371   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5372   { TYPE_STRING,        &volume_simple_text,    ""                      },
5373   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5374   { TYPE_STRING,        &volume_loops_text,     ""                      },
5375   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5376   { TYPE_STRING,        &volume_music_text,     ""                      },
5377   { TYPE_EMPTY,         NULL,                   ""                      },
5378   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5379
5380   { 0,                  NULL,                   NULL                    }
5381 };
5382
5383 static struct TokenInfo setup_info_artwork[] =
5384 {
5385   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5386   { TYPE_STRING,        &graphics_set_name,     ""                      },
5387   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5388   { TYPE_STRING,        &sounds_set_name,       ""                      },
5389   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5390   { TYPE_STRING,        &music_set_name,        ""                      },
5391   { TYPE_EMPTY,         NULL,                   ""                      },
5392   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5393   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5394   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5395   { TYPE_EMPTY,         NULL,                   ""                      },
5396   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5397
5398   { 0,                  NULL,                   NULL                    }
5399 };
5400
5401 static struct TokenInfo setup_info_input[] =
5402 {
5403   { TYPE_SWITCH,        NULL,                   "Player:"               },
5404   { TYPE_SWITCH,        NULL,                   "Device:"               },
5405   { TYPE_ENTER_MENU,    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_EMPTY,         NULL,                   ""                      },
5415   { TYPE_EMPTY,         NULL,                   ""                      },
5416   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5417
5418   { 0,                  NULL,                   NULL                    }
5419 };
5420
5421 static struct TokenInfo setup_info_touch[] =
5422 {
5423   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5424   { TYPE_STRING,        &touch_controls_text,   ""                      },
5425   { TYPE_EMPTY,         NULL,                   ""                      },
5426   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5427
5428   { 0,                  NULL,                   NULL                    }
5429 };
5430
5431 static struct TokenInfo setup_info_touch_wipe_gestures[] =
5432 {
5433   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5434   { TYPE_STRING,        &touch_controls_text,   ""                      },
5435   { TYPE_EMPTY,         NULL,                   ""                      },
5436   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5437   { TYPE_STRING,        &move_distance_text,    ""                      },
5438   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5439   { TYPE_STRING,        &drop_distance_text,    ""                      },
5440   { TYPE_EMPTY,         NULL,                   ""                      },
5441   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5442
5443   { 0,                  NULL,                   NULL                    }
5444 };
5445
5446 static struct TokenInfo setup_info_shortcuts[] =
5447 {
5448   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5449   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5450   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5451   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5452   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5453   { TYPE_EMPTY,         NULL,                   ""                      },
5454   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5455
5456   { 0,                  NULL,                   NULL                    }
5457 };
5458
5459 static struct TokenInfo setup_info_shortcuts_1[] =
5460 {
5461   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5462   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5463   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5464   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5465   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5466   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5467   { TYPE_EMPTY,         NULL,                   ""                      },
5468   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5469   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5470   { TYPE_EMPTY,         NULL,                   ""                      },
5471   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5472
5473   { 0,                  NULL,                   NULL                    }
5474 };
5475
5476 static struct TokenInfo setup_info_shortcuts_2[] =
5477 {
5478   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5479   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5480   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5481   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5482   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5483   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5484   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5485   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5486   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5487   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5488   { TYPE_EMPTY,         NULL,                   ""                      },
5489   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5490
5491   { 0,                  NULL,                   NULL                    }
5492 };
5493
5494 static struct TokenInfo setup_info_shortcuts_3[] =
5495 {
5496   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5497   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5498   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5499   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5500   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5501   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5502   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5503   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5504   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5505   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5506   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5507   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5508   { TYPE_EMPTY,         NULL,                   ""                      },
5509   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5510
5511   { 0,                  NULL,                   NULL                    }
5512 };
5513
5514 static struct TokenInfo setup_info_shortcuts_4[] =
5515 {
5516   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5517   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5518   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5519   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5520   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5521   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5522   { TYPE_EMPTY,         NULL,                   ""                      },
5523   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5524
5525   { 0,                  NULL,                   NULL                    }
5526 };
5527
5528 static struct TokenInfo setup_info_shortcuts_5[] =
5529 {
5530   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5531   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5532   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5533   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5534   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5535   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5536   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5537   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5538   { TYPE_EMPTY,         NULL,                   ""                      },
5539   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5540
5541   { 0,                  NULL,                   NULL                    }
5542 };
5543
5544 static Key getSetupKey()
5545 {
5546   Key key = KSYM_UNDEFINED;
5547   boolean got_key_event = FALSE;
5548
5549   while (!got_key_event)
5550   {
5551     if (PendingEvent())         /* got event */
5552     {
5553       Event event;
5554
5555       NextEvent(&event);
5556
5557       switch (event.type)
5558       {
5559         case EVENT_KEYPRESS:
5560           {
5561             key = GetEventKey((KeyEvent *)&event, TRUE);
5562
5563             /* press 'Escape' or 'Enter' to keep the existing key binding */
5564             if (key == KSYM_Escape || key == KSYM_Return)
5565               key = KSYM_UNDEFINED;     /* keep old value */
5566
5567             got_key_event = TRUE;
5568           }
5569           break;
5570
5571         case EVENT_KEYRELEASE:
5572           key_joystick_mapping = 0;
5573           break;
5574
5575         default:
5576           HandleOtherEvents(&event);
5577           break;
5578       }
5579     }
5580
5581     BackToFront();
5582   }
5583
5584   return key;
5585 }
5586
5587 static int getSetupValueFont(int type, void *value)
5588 {
5589   if (type & TYPE_KEY)
5590     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5591   else if (type & TYPE_STRING)
5592     return FONT_VALUE_2;
5593   else if (type & TYPE_ECS_AGA)
5594     return FONT_VALUE_1;
5595   else if (type & TYPE_BOOLEAN_STYLE)
5596     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5597   else if (type & TYPE_YES_NO_AUTO)
5598     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5599             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5600   else
5601     return FONT_VALUE_1;
5602 }
5603
5604 static int getSetupValueFontNarrow(int type, int font_nr)
5605 {
5606   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
5607           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
5608           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
5609           font_nr);
5610 }
5611
5612 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5613 {
5614   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5615   struct TokenInfo *si = &setup_info[si_pos];
5616   boolean font_draw_xoffset_modified = FALSE;
5617   boolean scrollbar_needed = (num_setup_info < max_setup_info);
5618   int font_draw_xoffset_old = -1;
5619   int xoffset = (scrollbar_needed ? -1 : 0);
5620   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5621   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5622   int xpos = menu_screen_value_xpos;
5623   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5624   int startx = mSX + xpos * 32;
5625   int starty = mSY + ypos * 32;
5626   int font_nr, font_nr_default, font_width_default;
5627   int type = si->type;
5628   void *value = si->value;
5629   char *value_string = getSetupValue(type, value);
5630   int i;
5631
5632   if (value_string == NULL)
5633     return;
5634
5635   if (type & TYPE_KEY)
5636   {
5637     xpos = MENU_SCREEN_START_XPOS;
5638
5639     if (type & TYPE_QUERY)
5640       value_string = "<press key>";
5641   }
5642   else if (type & TYPE_STRING)
5643   {
5644     int max_value_len = (SCR_FIELDX - 2) * 2;
5645
5646     xpos = MENU_SCREEN_START_XPOS;
5647
5648     if (strlen(value_string) > max_value_len)
5649       value_string[max_value_len] = '\0';
5650   }
5651   else if (type & TYPE_YES_NO_AUTO)
5652   {
5653     xpos = menu_screen_value_xpos - 1;
5654   }
5655
5656   startx = mSX + xpos * 32;
5657   starty = mSY + ypos * 32;
5658   font_nr_default = getSetupValueFont(type, value);
5659   font_width_default = getFontWidth(font_nr_default);
5660
5661   font_nr = font_nr_default;
5662
5663   // special check if right-side setup values moved left due to scrollbar
5664   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
5665   {
5666     int max_menu_text_length = 26;      // maximum text length for classic menu
5667     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5668     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5669     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5670     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5671     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
5672
5673     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
5674     {
5675       xpos += 1;
5676       startx = mSX + xpos * 32;
5677
5678       font_nr = getSetupValueFontNarrow(type, font_nr);
5679     }
5680   }
5681
5682   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5683   if (setup_mode != SETUP_MODE_INPUT)
5684   {
5685     int max_menu_text_length_big = (menu_screen_value_xpos -
5686                                     MENU_SCREEN_START_XPOS);
5687     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5688     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5689     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5690     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5691     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5692     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5693     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5694     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5695     boolean correct_font_draw_xoffset = FALSE;
5696
5697     if (xpos == MENU_SCREEN_START_XPOS &&
5698         startx + font1_xoffset < text_startx + text_font_xoffset)
5699       correct_font_draw_xoffset = TRUE;
5700
5701     if (xpos == menu_screen_value_xpos &&
5702         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5703       correct_font_draw_xoffset = TRUE;
5704
5705     /* check if setup value would overlap with setup text when printed */
5706     /* (this can happen for extreme/wrong values for font draw offset) */
5707     if (correct_font_draw_xoffset)
5708     {
5709       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5710       font_draw_xoffset_modified = TRUE;
5711
5712       if (type & TYPE_KEY)
5713         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5714       else if (!(type & TYPE_STRING))
5715         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5716           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5717     }
5718   }
5719
5720   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5721     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
5722
5723   DrawText(startx, starty, value_string, font_nr);
5724
5725   if (font_draw_xoffset_modified)
5726     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5727 }
5728
5729 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5730 {
5731   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5732   struct TokenInfo *si = &setup_info[si_pos];
5733
5734   if (si->type & TYPE_BOOLEAN_STYLE)
5735   {
5736     *(boolean *)si->value ^= TRUE;
5737   }
5738   else if (si->type & TYPE_YES_NO_AUTO)
5739   {
5740     *(int *)si->value =
5741       (dx == -1 ?
5742        (*(int *)si->value == AUTO ? TRUE :
5743         *(int *)si->value == TRUE ? FALSE : AUTO) :
5744        (*(int *)si->value == TRUE ? AUTO :
5745         *(int *)si->value == AUTO ? FALSE : TRUE));
5746   }
5747   else if (si->type & TYPE_KEY)
5748   {
5749     Key key;
5750
5751     si->type |= TYPE_QUERY;
5752     drawSetupValue(screen_pos, setup_info_pos_raw);
5753     si->type &= ~TYPE_QUERY;
5754
5755     key = getSetupKey();
5756     if (key != KSYM_UNDEFINED)
5757       *(Key *)si->value = key;
5758   }
5759
5760   drawSetupValue(screen_pos, setup_info_pos_raw);
5761
5762   // fullscreen state may have changed at this point
5763   if (si->value == &setup.fullscreen)
5764     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5765 }
5766
5767 static void DrawSetupScreen_Generic()
5768 {
5769   int fade_mask = REDRAW_FIELD;
5770   boolean redraw_all = FALSE;
5771   char *title_string = NULL;
5772   int i;
5773
5774   if (CheckIfGlobalBorderHasChanged())
5775     fade_mask = REDRAW_ALL;
5776
5777   UnmapAllGadgets();
5778   FadeMenuSoundsAndMusic();
5779
5780   FreeScreenGadgets();
5781   CreateScreenGadgets();
5782
5783   if (redraw_mask & REDRAW_ALL)
5784     redraw_all = TRUE;
5785
5786   FadeOut(fade_mask);
5787
5788   /* needed if different viewport properties defined for setup screen */
5789   ChangeViewportPropertiesIfNeeded();
5790
5791   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
5792
5793   ClearField();
5794
5795   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5796
5797   if (setup_mode == SETUP_MODE_MAIN)
5798   {
5799     setup_info = setup_info_main;
5800     title_string = "Setup";
5801   }
5802   else if (setup_mode == SETUP_MODE_GAME)
5803   {
5804     setup_info = setup_info_game;
5805     title_string = "Setup Game";
5806   }
5807   else if (setup_mode == SETUP_MODE_EDITOR)
5808   {
5809     setup_info = setup_info_editor;
5810     title_string = "Setup Editor";
5811   }
5812   else if (setup_mode == SETUP_MODE_GRAPHICS)
5813   {
5814     setup_info = setup_info_graphics;
5815     title_string = "Setup Graphics";
5816   }
5817   else if (setup_mode == SETUP_MODE_SOUND)
5818   {
5819     setup_info = setup_info_sound;
5820     title_string = "Setup Sound";
5821   }
5822   else if (setup_mode == SETUP_MODE_ARTWORK)
5823   {
5824     setup_info = setup_info_artwork;
5825     title_string = "Custom Artwork";
5826   }
5827   else if (setup_mode == SETUP_MODE_TOUCH)
5828   {
5829     setup_info = setup_info_touch;
5830     title_string = "Setup Touch Ctrls";
5831
5832     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
5833       setup_info = setup_info_touch_wipe_gestures;
5834   }
5835   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5836   {
5837     setup_info = setup_info_shortcuts;
5838     title_string = "Setup Shortcuts";
5839   }
5840   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5841   {
5842     setup_info = setup_info_shortcuts_1;
5843     title_string = "Setup Shortcuts";
5844   }
5845   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5846   {
5847     setup_info = setup_info_shortcuts_2;
5848     title_string = "Setup Shortcuts";
5849   }
5850   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5851   {
5852     setup_info = setup_info_shortcuts_3;
5853     title_string = "Setup Shortcuts";
5854   }
5855   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5856   {
5857     setup_info = setup_info_shortcuts_4;
5858     title_string = "Setup Shortcuts";
5859   }
5860   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5861   {
5862     setup_info = setup_info_shortcuts_5;
5863     title_string = "Setup Shortcuts";
5864   }
5865
5866   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5867
5868   // determine maximal number of setup entries that can be displayed on screen
5869   num_setup_info = 0;
5870   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5871     num_setup_info++;
5872
5873   // determine maximal number of setup entries available for this setup screen
5874   max_setup_info = 0;
5875   for (i = 0; setup_info[i].type != 0; i++)
5876     max_setup_info++;
5877
5878   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5879
5880   MapScreenGadgets(max_setup_info);
5881
5882   if (redraw_all)
5883     redraw_mask = fade_mask = REDRAW_ALL;
5884
5885   DrawMaskedBorder(fade_mask);
5886
5887   FadeIn(fade_mask);
5888 }
5889
5890 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5891 {
5892   menu_info = setup_info;
5893
5894   HandleMenuScreen(mx, my, dx, dy, button,
5895                    setup_mode, num_setup_info, max_setup_info);
5896 }
5897
5898 void DrawSetupScreen_Input()
5899 {
5900   int i;
5901
5902   FadeOut(REDRAW_FIELD);
5903
5904   ClearField();
5905
5906   setup_info = setup_info_input;
5907
5908   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5909
5910   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5911                     "Joysticks deactivated on this screen");
5912
5913   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5914   {
5915     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5916       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5917     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5918       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5919     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5920       initCursor(i, IMG_MENU_BUTTON);
5921
5922     DrawCursorAndText_Setup(i, -1, FALSE);
5923   }
5924
5925   /* create gadgets for setup input menu screen */
5926   FreeScreenGadgets();
5927   CreateScreenGadgets();
5928
5929   /* map gadgets for setup input menu screen */
5930   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5931
5932   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5933
5934   FadeIn(REDRAW_FIELD);
5935 }
5936
5937 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5938 {
5939   if (device_name == NULL)
5940     return;
5941
5942   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5943     device_nr = 0;
5944
5945   if (strlen(device_name) > 1)
5946   {
5947     char c1 = device_name[strlen(device_name) - 1];
5948     char c2 = device_name[strlen(device_name) - 2];
5949
5950     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5951       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5952   }
5953   else
5954     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5955             strlen(device_name));
5956 }
5957
5958 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5959 {
5960   int i;
5961   static struct SetupKeyboardInfo custom_key;
5962   static struct
5963   {
5964     Key *key;
5965     char *text;
5966   } custom[] =
5967   {
5968     { &custom_key.left,  "Joystick Left"  },
5969     { &custom_key.right, "Joystick Right" },
5970     { &custom_key.up,    "Joystick Up"    },
5971     { &custom_key.down,  "Joystick Down"  },
5972     { &custom_key.snap,  "Button 1"       },
5973     { &custom_key.drop,  "Button 2"       }
5974   };
5975   static char *joystick_name[MAX_PLAYERS] =
5976   {
5977     "Joystick1",
5978     "Joystick2",
5979     "Joystick3",
5980     "Joystick4"
5981   };
5982   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5983
5984   InitJoysticks();
5985
5986   custom_key = setup.input[player_nr].key;
5987
5988   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5989            FONT_INPUT_1_ACTIVE);
5990
5991   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5992                              TILEX, TILEY);
5993   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
5994                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
5995
5996   if (setup.input[player_nr].use_joystick)
5997   {
5998     char *device_name = setup.input[player_nr].joy.device_name;
5999     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
6000     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
6001
6002     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
6003     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
6004   }
6005   else
6006   {
6007     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
6008     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
6009   }
6010
6011   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
6012
6013   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
6014   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
6015   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
6016   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6017
6018   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6019   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6020   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6021   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6022   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6023   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6024
6025   for (i = 0; i < 6; i++)
6026   {
6027     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6028
6029     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6030              "              ", FONT_VALUE_1);
6031     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6032              (setup.input[player_nr].use_joystick ?
6033               custom[i].text :
6034               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6035   }
6036 }
6037
6038 static int input_player_nr = 0;
6039
6040 void HandleSetupScreen_Input_Player(int step, int direction)
6041 {
6042   int old_player_nr = input_player_nr;
6043   int new_player_nr;
6044
6045   new_player_nr = old_player_nr + step * direction;
6046   if (new_player_nr < 0)
6047     new_player_nr = 0;
6048   if (new_player_nr > MAX_PLAYERS - 1)
6049     new_player_nr = MAX_PLAYERS - 1;
6050
6051   if (new_player_nr != old_player_nr)
6052   {
6053     input_player_nr = new_player_nr;
6054
6055     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6056   }
6057 }
6058
6059 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6060 {
6061   static int choice = 0;
6062   int x = 0;
6063   int y = choice;
6064   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6065   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6066   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6067   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6068
6069   if (button == MB_MENU_INITIALIZE)
6070   {
6071     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6072
6073     DrawCursorAndText_Setup(choice, -1, TRUE);
6074
6075     return;
6076   }
6077   else if (button == MB_MENU_LEAVE)
6078   {
6079     setup_mode = SETUP_MODE_MAIN;
6080     DrawSetupScreen();
6081     InitJoysticks();
6082
6083     return;
6084   }
6085
6086   if (mx || my)         /* mouse input */
6087   {
6088     x = (mx - mSX) / 32;
6089     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6090   }
6091   else if (dx || dy)    /* keyboard input */
6092   {
6093     if (dx && choice == 0)
6094       x = (dx < 0 ? 10 : 12);
6095     else if ((dx && choice == 1) ||
6096              (dx == +1 && choice == 2) ||
6097              (dx == -1 && choice == pos_end))
6098       button = MB_MENU_CHOICE;
6099     else if (dy)
6100       y = choice + dy;
6101
6102     if (y >= pos_empty1 && y <= pos_empty2)
6103       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6104   }
6105
6106   if (y == 0 && dx != 0 && button)
6107   {
6108     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6109   }
6110   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6111            y >= pos_start && y <= pos_end &&
6112            !(y >= pos_empty1 && y <= pos_empty2))
6113   {
6114     if (button)
6115     {
6116       if (y != choice)
6117       {
6118         DrawCursorAndText_Setup(choice, -1, FALSE);
6119         DrawCursorAndText_Setup(y, -1, TRUE);
6120
6121         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6122
6123         choice = y;
6124       }
6125     }
6126     else
6127     {
6128       if (y == 1)
6129       {
6130         char *device_name = setup.input[input_player_nr].joy.device_name;
6131
6132         if (!setup.input[input_player_nr].use_joystick)
6133         {
6134           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6135
6136           setJoystickDeviceToNr(device_name, new_device_nr);
6137           setup.input[input_player_nr].use_joystick = TRUE;
6138         }
6139         else
6140         {
6141           int device_nr = getJoystickNrFromDeviceName(device_name);
6142           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6143
6144           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6145             setup.input[input_player_nr].use_joystick = FALSE;
6146           else
6147             setJoystickDeviceToNr(device_name, new_device_nr);
6148         }
6149
6150         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6151       }
6152       else if (y == 2)
6153       {
6154         if (setup.input[input_player_nr].use_joystick)
6155         {
6156           InitJoysticks();
6157           CalibrateJoystick(input_player_nr);
6158         }
6159         else
6160           CustomizeKeyboard(input_player_nr);
6161       }
6162       else if (y == pos_end)
6163       {
6164         InitJoysticks();
6165
6166         FadeSetLeaveMenu();
6167
6168         setup_mode = SETUP_MODE_MAIN;
6169         DrawSetupScreen();
6170       }
6171     }
6172   }
6173 }
6174
6175 void CustomizeKeyboard(int player_nr)
6176 {
6177   int i;
6178   int step_nr;
6179   boolean finished = FALSE;
6180   static struct SetupKeyboardInfo custom_key;
6181   static struct
6182   {
6183     Key *key;
6184     char *text;
6185   } customize_step[] =
6186   {
6187     { &custom_key.left,  "Move Left"    },
6188     { &custom_key.right, "Move Right"   },
6189     { &custom_key.up,    "Move Up"      },
6190     { &custom_key.down,  "Move Down"    },
6191     { &custom_key.snap,  "Snap Field"   },
6192     { &custom_key.drop,  "Drop Element" }
6193   };
6194
6195   /* read existing key bindings from player setup */
6196   custom_key = setup.input[player_nr].key;
6197
6198   FadeSetEnterMenu();
6199   FadeOut(REDRAW_FIELD);
6200
6201   ClearField();
6202
6203   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6204
6205   step_nr = 0;
6206   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6207            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6208   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6209            "Key:", FONT_INPUT_1_ACTIVE);
6210   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6211            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6212
6213   FadeIn(REDRAW_FIELD);
6214
6215   while (!finished)
6216   {
6217     if (PendingEvent())         /* got event */
6218     {
6219       Event event;
6220
6221       NextEvent(&event);
6222
6223       switch (event.type)
6224       {
6225         case EVENT_KEYPRESS:
6226           {
6227             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6228
6229             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6230             {
6231               if (key == KSYM_Escape)
6232                 FadeSkipNextFadeIn();
6233
6234               finished = TRUE;
6235               break;
6236             }
6237
6238             /* all keys configured -- wait for "Escape" or "Return" key */
6239             if (step_nr == 6)
6240               break;
6241
6242             /* press 'Enter' to keep the existing key binding */
6243             if (key == KSYM_Return)
6244               key = *customize_step[step_nr].key;
6245
6246             /* check if key already used */
6247             for (i = 0; i < step_nr; i++)
6248               if (*customize_step[i].key == key)
6249                 break;
6250             if (i < step_nr)
6251               break;
6252
6253             /* got new key binding */
6254             *customize_step[step_nr].key = key;
6255             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6256                      "             ", FONT_VALUE_1);
6257             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6258                      getKeyNameFromKey(key), FONT_VALUE_1);
6259             step_nr++;
6260
6261             /* un-highlight last query */
6262             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6263                      customize_step[step_nr - 1].text, FONT_MENU_1);
6264             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6265                      "Key:", FONT_MENU_1);
6266
6267             /* press 'Enter' to leave */
6268             if (step_nr == 6)
6269             {
6270               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6271                        "Press Enter", FONT_TITLE_1);
6272               break;
6273             }
6274
6275             /* query next key binding */
6276             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6277                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6278             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6279                      "Key:", FONT_INPUT_1_ACTIVE);
6280             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6281                      getKeyNameFromKey(*customize_step[step_nr].key),
6282                      FONT_VALUE_OLD);
6283           }
6284           break;
6285
6286         case EVENT_KEYRELEASE:
6287           key_joystick_mapping = 0;
6288           break;
6289
6290         default:
6291           HandleOtherEvents(&event);
6292           break;
6293       }
6294     }
6295
6296     BackToFront();
6297   }
6298
6299   /* write new key bindings back to player setup */
6300   setup.input[player_nr].key = custom_key;
6301
6302   DrawSetupScreen_Input();
6303 }
6304
6305 static boolean CalibrateJoystickMain(int player_nr)
6306 {
6307   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6308   int new_joystick_xright = JOYSTICK_XMIDDLE;
6309   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6310   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6311   int new_joystick_xmiddle, new_joystick_ymiddle;
6312
6313   int joystick_fd = joystick.fd[player_nr];
6314   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6315   boolean check[3][3];
6316   int check_remaining = 3 * 3;
6317   int joy_x, joy_y;
6318   int joy_value;
6319   int result = -1;
6320
6321   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6322     return FALSE;
6323
6324   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6325     return FALSE;
6326
6327   FadeSetEnterMenu();
6328   FadeOut(REDRAW_FIELD);
6329
6330   ClearField();
6331
6332   for (y = 0; y < 3; y++)
6333   {
6334     for (x = 0; x < 3; x++)
6335     {
6336       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6337       check[x][y] = FALSE;
6338     }
6339   }
6340
6341   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6342   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6343   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6344   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6345   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6346   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6347   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6348
6349   joy_value = Joystick(player_nr);
6350   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6351   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6352
6353   /* eventually uncalibrated center position (joystick could be uncentered) */
6354   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6355     return FALSE;
6356
6357   new_joystick_xmiddle = joy_x;
6358   new_joystick_ymiddle = joy_y;
6359
6360   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6361
6362   FadeIn(REDRAW_FIELD);
6363
6364   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6365
6366   while (result < 0)
6367   {
6368     if (PendingEvent())         /* got event */
6369     {
6370       Event event;
6371
6372       NextEvent(&event);
6373
6374       switch (event.type)
6375       {
6376         case EVENT_KEYPRESS:
6377           switch (GetEventKey((KeyEvent *)&event, TRUE))
6378           {
6379             case KSYM_Return:
6380               if (check_remaining == 0)
6381                 result = 1;
6382               break;
6383
6384             case KSYM_Escape:
6385               FadeSkipNextFadeIn();
6386               result = 0;
6387               break;
6388
6389             default:
6390               break;
6391           }
6392           break;
6393
6394         case EVENT_KEYRELEASE:
6395           key_joystick_mapping = 0;
6396           break;
6397
6398         default:
6399           HandleOtherEvents(&event);
6400           break;
6401       }
6402     }
6403
6404     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6405       return FALSE;
6406
6407     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6408     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6409     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6410     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6411
6412     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6413     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6414     setup.input[player_nr].joy.xright = new_joystick_xright;
6415     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6416     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6417     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6418
6419     CheckJoystickData();
6420
6421     joy_value = Joystick(player_nr);
6422
6423     if (joy_value & JOY_BUTTON && check_remaining == 0)
6424       result = 1;
6425
6426     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6427     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6428
6429     if (x != last_x || y != last_y)
6430     {
6431       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6432                        IMG_MENU_CALIBRATE_YELLOW, 0);
6433       DrawFixedGraphic(xpos + x,      ypos + y,
6434                        IMG_MENU_CALIBRATE_RED,    0);
6435
6436       last_x = x;
6437       last_y = y;
6438
6439       if (check_remaining > 0 && !check[x+1][y+1])
6440       {
6441         check[x+1][y+1] = TRUE;
6442         check_remaining--;
6443       }
6444     }
6445
6446     BackToFront();
6447   }
6448
6449   /* calibrated center position (joystick should now be centered) */
6450   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6451     return FALSE;
6452
6453   new_joystick_xmiddle = joy_x;
6454   new_joystick_ymiddle = joy_y;
6455
6456   /* wait until the last pressed button was released */
6457   while (Joystick(player_nr) & JOY_BUTTON)
6458   {
6459     if (PendingEvent())         /* got event */
6460     {
6461       Event event;
6462
6463       NextEvent(&event);
6464       HandleOtherEvents(&event);
6465
6466       BackToFront();
6467     }
6468   }
6469
6470   return TRUE;
6471 }
6472
6473 void CalibrateJoystick(int player_nr)
6474 {
6475   if (!CalibrateJoystickMain(player_nr))
6476   {
6477     char *device_name = setup.input[player_nr].joy.device_name;
6478     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6479     int xpos = mSX - SX;
6480     int ypos = mSY - SY;
6481
6482     ClearField();
6483
6484     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6485     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6486     BackToFront();
6487
6488     Delay(2000);                /* show error message for a short time */
6489
6490     ClearEventQueue();
6491   }
6492
6493   DrawSetupScreen_Input();
6494 }
6495
6496 void DrawSetupScreen()
6497 {
6498   DeactivateJoystick();
6499
6500   if (setup_mode == SETUP_MODE_INPUT)
6501     DrawSetupScreen_Input();
6502   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6503     DrawChooseTree(&game_speed_current);
6504   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6505     DrawChooseTree(&scroll_delay_current);
6506   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6507     DrawChooseTree(&snapshot_mode_current);
6508   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6509     DrawChooseTree(&window_size_current);
6510   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6511     DrawChooseTree(&scaling_type_current);
6512   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6513     DrawChooseTree(&rendering_mode_current);
6514   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6515     DrawChooseTree(&artwork.gfx_current);
6516   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6517     DrawChooseTree(&artwork.snd_current);
6518   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6519     DrawChooseTree(&artwork.mus_current);
6520   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6521     DrawChooseTree(&volume_simple_current);
6522   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6523     DrawChooseTree(&volume_loops_current);
6524   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6525     DrawChooseTree(&volume_music_current);
6526   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6527     DrawChooseTree(&touch_control_current);
6528   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6529     DrawChooseTree(&move_distance_current);
6530   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6531     DrawChooseTree(&drop_distance_current);
6532   else
6533     DrawSetupScreen_Generic();
6534
6535   PlayMenuSoundsAndMusic();
6536 }
6537
6538 void RedrawSetupScreenAfterFullscreenToggle()
6539 {
6540   if (setup_mode == SETUP_MODE_GRAPHICS ||
6541       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6542   {
6543     // update list selection from "setup.window_scaling_percent"
6544     execSetupGraphics_setWindowSizes(TRUE);
6545
6546     DrawSetupScreen();
6547   }
6548 }
6549
6550 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6551 {
6552   if (setup_mode == SETUP_MODE_INPUT)
6553     HandleSetupScreen_Input(mx, my, dx, dy, button);
6554   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6555     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6556   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6557     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6558   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6559     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6560   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6561     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6562   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6563     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6564   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6565     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
6566   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6567     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6568   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6569     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6570   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6571     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6572   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6573     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6574   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6575     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6576   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6577     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6578   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6579     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6580   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6581     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6582   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6583     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6584   else
6585     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6586 }
6587
6588 void HandleGameActions()
6589 {
6590   if (game_status != GAME_MODE_PLAYING)
6591     return;
6592
6593   GameActions();        /* main game loop */
6594
6595   if (tape.auto_play && !tape.playing)
6596     AutoPlayTape();     /* continue automatically playing next tape */
6597 }
6598
6599
6600 /* ---------- new screen button stuff -------------------------------------- */
6601
6602 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6603 {
6604   switch (gadget_id)
6605   {
6606     case SCREEN_CTRL_ID_PREV_LEVEL:
6607       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6608       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6609       break;
6610
6611     case SCREEN_CTRL_ID_NEXT_LEVEL:
6612       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6613       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6614       break;
6615
6616     case SCREEN_CTRL_ID_PREV_PLAYER:
6617       *x = mSX + TILEX * 10;
6618       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6619       break;
6620
6621     case SCREEN_CTRL_ID_NEXT_PLAYER:
6622       *x = mSX + TILEX * 12;
6623       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6624       break;
6625
6626     default:
6627       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6628   }
6629 }
6630
6631 static struct
6632 {
6633   int gfx_unpressed, gfx_pressed;
6634   void (*get_gadget_position)(int *, int *, int);
6635   int gadget_id;
6636   int screen_mask;
6637   char *infotext;
6638 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6639 {
6640   {
6641     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6642     getScreenMenuButtonPos,
6643     SCREEN_CTRL_ID_PREV_LEVEL,
6644     SCREEN_MASK_MAIN,
6645     "last level"
6646   },
6647   {
6648     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6649     getScreenMenuButtonPos,
6650     SCREEN_CTRL_ID_NEXT_LEVEL,
6651     SCREEN_MASK_MAIN,
6652     "next level"
6653   },
6654   {
6655     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6656     getScreenMenuButtonPos,
6657     SCREEN_CTRL_ID_PREV_PLAYER,
6658     SCREEN_MASK_INPUT,
6659     "last player"
6660   },
6661   {
6662     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6663     getScreenMenuButtonPos,
6664     SCREEN_CTRL_ID_NEXT_PLAYER,
6665     SCREEN_MASK_INPUT,
6666     "next player"
6667   },
6668 };
6669
6670 static struct
6671 {
6672   int gfx_unpressed, gfx_pressed;
6673   int x, y;
6674   int gadget_id;
6675   char *infotext;
6676 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6677 {
6678   {
6679     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6680     -1, -1,     /* these values are not constant, but can change at runtime */
6681     SCREEN_CTRL_ID_SCROLL_UP,
6682     "scroll up"
6683   },
6684   {
6685     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6686     -1, -1,     /* these values are not constant, but can change at runtime */
6687     SCREEN_CTRL_ID_SCROLL_DOWN,
6688     "scroll down"
6689   }
6690 };
6691
6692 static struct
6693 {
6694   int gfx_unpressed, gfx_pressed;
6695   int x, y;
6696   int width, height;
6697   int type;
6698   int gadget_id;
6699   char *infotext;
6700 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6701 {
6702   {
6703     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6704     -1, -1,     /* these values are not constant, but can change at runtime */
6705     -1, -1,     /* these values are not constant, but can change at runtime */
6706     GD_TYPE_SCROLLBAR_VERTICAL,
6707     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6708     "scroll level series vertically"
6709   }
6710 };
6711
6712 static void CreateScreenMenubuttons()
6713 {
6714   struct GadgetInfo *gi;
6715   unsigned int event_mask;
6716   int i;
6717
6718   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6719   {
6720     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6721     int gfx_unpressed, gfx_pressed;
6722     int x, y, width, height;
6723     int gd_x1, gd_x2, gd_y1, gd_y2;
6724     int id = menubutton_info[i].gadget_id;
6725
6726     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6727
6728     menubutton_info[i].get_gadget_position(&x, &y, id);
6729
6730     width = SC_MENUBUTTON_XSIZE;
6731     height = SC_MENUBUTTON_YSIZE;
6732
6733     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6734     gfx_pressed   = menubutton_info[i].gfx_pressed;
6735     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6736     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6737     gd_x1 = graphic_info[gfx_unpressed].src_x;
6738     gd_y1 = graphic_info[gfx_unpressed].src_y;
6739     gd_x2 = graphic_info[gfx_pressed].src_x;
6740     gd_y2 = graphic_info[gfx_pressed].src_y;
6741
6742     gi = CreateGadget(GDI_CUSTOM_ID, id,
6743                       GDI_CUSTOM_TYPE_ID, i,
6744                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6745                       GDI_X, x,
6746                       GDI_Y, y,
6747                       GDI_WIDTH, width,
6748                       GDI_HEIGHT, height,
6749                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6750                       GDI_STATE, GD_BUTTON_UNPRESSED,
6751                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6752                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6753                       GDI_DIRECT_DRAW, FALSE,
6754                       GDI_EVENT_MASK, event_mask,
6755                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6756                       GDI_END);
6757
6758     if (gi == NULL)
6759       Error(ERR_EXIT, "cannot create gadget");
6760
6761     screen_gadget[id] = gi;
6762   }
6763 }
6764
6765 static void CreateScreenScrollbuttons()
6766 {
6767   struct GadgetInfo *gi;
6768   unsigned int event_mask;
6769   int i;
6770
6771   /* these values are not constant, but can change at runtime */
6772   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6773   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6774   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6775   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6776
6777   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6778   {
6779     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6780     int gfx_unpressed, gfx_pressed;
6781     int x, y, width, height;
6782     int gd_x1, gd_x2, gd_y1, gd_y2;
6783     int id = scrollbutton_info[i].gadget_id;
6784
6785     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6786
6787     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6788     y = mSY + scrollbutton_info[i].y;
6789     width = SC_SCROLLBUTTON_XSIZE;
6790     height = SC_SCROLLBUTTON_YSIZE;
6791
6792     /* correct scrollbar position if placed outside menu (playfield) area */
6793     if (x > SX + SC_SCROLL_UP_XPOS)
6794       x = SX + SC_SCROLL_UP_XPOS;
6795
6796     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6797       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6798                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6799
6800     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6801     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6802     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6803     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6804     gd_x1 = graphic_info[gfx_unpressed].src_x;
6805     gd_y1 = graphic_info[gfx_unpressed].src_y;
6806     gd_x2 = graphic_info[gfx_pressed].src_x;
6807     gd_y2 = graphic_info[gfx_pressed].src_y;
6808
6809     gi = CreateGadget(GDI_CUSTOM_ID, id,
6810                       GDI_CUSTOM_TYPE_ID, i,
6811                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6812                       GDI_X, x,
6813                       GDI_Y, y,
6814                       GDI_WIDTH, width,
6815                       GDI_HEIGHT, height,
6816                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6817                       GDI_STATE, GD_BUTTON_UNPRESSED,
6818                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6819                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6820                       GDI_DIRECT_DRAW, FALSE,
6821                       GDI_EVENT_MASK, event_mask,
6822                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6823                       GDI_END);
6824
6825     if (gi == NULL)
6826       Error(ERR_EXIT, "cannot create gadget");
6827
6828     screen_gadget[id] = gi;
6829   }
6830 }
6831
6832 static void CreateScreenScrollbars()
6833 {
6834   int i;
6835
6836   /* these values are not constant, but can change at runtime */
6837   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6838   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6839   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6840   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6841
6842   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6843   {
6844     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6845     int gfx_unpressed, gfx_pressed;
6846     int x, y, width, height;
6847     int gd_x1, gd_x2, gd_y1, gd_y2;
6848     struct GadgetInfo *gi;
6849     int items_max, items_visible, item_position;
6850     unsigned int event_mask;
6851     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6852     int id = scrollbar_info[i].gadget_id;
6853
6854     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6855
6856     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6857     y = mSY + scrollbar_info[i].y;
6858     width  = scrollbar_info[i].width;
6859     height = scrollbar_info[i].height;
6860
6861     /* correct scrollbar position if placed outside menu (playfield) area */
6862     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6863       x = SX + SC_SCROLL_VERTICAL_XPOS;
6864
6865     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6866       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6867
6868     items_max = num_page_entries;
6869     items_visible = num_page_entries;
6870     item_position = 0;
6871
6872     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6873     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6874     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6875     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6876     gd_x1 = graphic_info[gfx_unpressed].src_x;
6877     gd_y1 = graphic_info[gfx_unpressed].src_y;
6878     gd_x2 = graphic_info[gfx_pressed].src_x;
6879     gd_y2 = graphic_info[gfx_pressed].src_y;
6880
6881     gi = CreateGadget(GDI_CUSTOM_ID, id,
6882                       GDI_CUSTOM_TYPE_ID, i,
6883                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6884                       GDI_X, x,
6885                       GDI_Y, y,
6886                       GDI_WIDTH, width,
6887                       GDI_HEIGHT, height,
6888                       GDI_TYPE, scrollbar_info[i].type,
6889                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6890                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6891                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6892                       GDI_WHEEL_AREA_X, SX,
6893                       GDI_WHEEL_AREA_Y, SY,
6894                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6895                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6896                       GDI_STATE, GD_BUTTON_UNPRESSED,
6897                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6898                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6899                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6900                       GDI_DIRECT_DRAW, FALSE,
6901                       GDI_EVENT_MASK, event_mask,
6902                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6903                       GDI_END);
6904
6905     if (gi == NULL)
6906       Error(ERR_EXIT, "cannot create gadget");
6907
6908     screen_gadget[id] = gi;
6909   }
6910 }
6911
6912 void CreateScreenGadgets()
6913 {
6914   CreateScreenMenubuttons();
6915
6916   CreateScreenScrollbuttons();
6917   CreateScreenScrollbars();
6918 }
6919
6920 void FreeScreenGadgets()
6921 {
6922   int i;
6923
6924   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6925     FreeGadget(screen_gadget[i]);
6926 }
6927
6928 void MapScreenMenuGadgets(int screen_mask)
6929 {
6930   int i;
6931
6932   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6933     if (screen_mask & menubutton_info[i].screen_mask)
6934       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6935 }
6936
6937 void MapScreenGadgets(int num_entries)
6938 {
6939   int i;
6940
6941   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6942     return;
6943
6944   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6945     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6946
6947   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6948     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6949 }
6950
6951 void MapScreenTreeGadgets(TreeInfo *ti)
6952 {
6953   MapScreenGadgets(numTreeInfoInGroup(ti));
6954 }
6955
6956 static void HandleScreenGadgets(struct GadgetInfo *gi)
6957 {
6958   int id = gi->custom_id;
6959   int button = gi->event.button;
6960   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6961
6962   switch (id)
6963   {
6964     case SCREEN_CTRL_ID_PREV_LEVEL:
6965       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6966       break;
6967
6968     case SCREEN_CTRL_ID_NEXT_LEVEL:
6969       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6970       break;
6971
6972     case SCREEN_CTRL_ID_PREV_PLAYER:
6973       HandleSetupScreen_Input_Player(step, -1);
6974       break;
6975
6976     case SCREEN_CTRL_ID_NEXT_PLAYER:
6977       HandleSetupScreen_Input_Player(step, +1);
6978       break;
6979
6980     case SCREEN_CTRL_ID_SCROLL_UP:
6981       if (game_status == GAME_MODE_LEVELS)
6982         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6983       else if (game_status == GAME_MODE_LEVELNR)
6984         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6985       else if (game_status == GAME_MODE_SETUP)
6986         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6987       else if (game_status == GAME_MODE_INFO)
6988         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
6989       break;
6990
6991     case SCREEN_CTRL_ID_SCROLL_DOWN:
6992       if (game_status == GAME_MODE_LEVELS)
6993         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6994       else if (game_status == GAME_MODE_LEVELNR)
6995         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6996       else if (game_status == GAME_MODE_SETUP)
6997         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
6998       else if (game_status == GAME_MODE_INFO)
6999         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7000       break;
7001
7002     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7003       if (game_status == GAME_MODE_LEVELS)
7004         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7005       else if (game_status == GAME_MODE_LEVELNR)
7006         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7007       else if (game_status == GAME_MODE_SETUP)
7008         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7009       else if (game_status == GAME_MODE_INFO)
7010         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7011       break;
7012
7013     default:
7014       break;
7015   }
7016 }