src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "cartoons.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26 /* screens on the info screen */
  27 #define INFO_MODE_MAIN                  0
  28 #define INFO_MODE_TITLE                 1
  29 #define INFO_MODE_ELEMENTS              2
  30 #define INFO_MODE_MUSIC                 3
  31 #define INFO_MODE_CREDITS               4
  32 #define INFO_MODE_PROGRAM               5
  33 #define INFO_MODE_VERSION               6
  34 #define INFO_MODE_LEVELSET              7
  35
  36 #define MAX_INFO_MODES                  8
  37
  38 /* screens on the setup screen */
  39 /* (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h) */
  40 /* (should also match corresponding entries in src/conf_gfx.c) */
  41 #define SETUP_MODE_MAIN                 0
  42 #define SETUP_MODE_GAME                 1
  43 #define SETUP_MODE_EDITOR               2
  44 #define SETUP_MODE_GRAPHICS             3
  45 #define SETUP_MODE_SOUND                4
  46 #define SETUP_MODE_ARTWORK              5
  47 #define SETUP_MODE_INPUT                6
  48 #define SETUP_MODE_TOUCH                7
  49 #define SETUP_MODE_SHORTCUTS            8
  50 #define SETUP_MODE_SHORTCUTS_1          9
  51 #define SETUP_MODE_SHORTCUTS_2          10
  52 #define SETUP_MODE_SHORTCUTS_3          11
  53 #define SETUP_MODE_SHORTCUTS_4          12
  54 #define SETUP_MODE_SHORTCUTS_5          13
  55
  56 /* sub-screens on the setup screen (generic) */
  57 #define SETUP_MODE_CHOOSE_ARTWORK       14
  58 #define SETUP_MODE_CHOOSE_OTHER         15
  59
  60 /* sub-screens on the setup screen (specific) */
  61 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  62 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  63 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
  64 #define SETUP_MODE_CHOOSE_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 unsigned int sync_frame_delay = 0;
 239 static unsigned int sync_frame_delay_value = GAME_FRAME_DELAY;
 240
 241 static struct
 242 {
 243   int value;
 244   char *text;
 245 } window_sizes_list[] =
 246 {
 247   {     50,     "50 %"                          },
 248   {     80,     "80 %"                          },
 249   {     90,     "90 %"                          },
 250   {     100,    "100 % (Default)"               },
 251   {     110,    "110 %"                         },
 252   {     120,    "120 %"                         },
 253   {     130,    "130 %"                         },
 254   {     140,    "140 %"                         },
 255   {     150,    "150 %"                         },
 256   {     200,    "200 %"                         },
 257   {     250,    "250 %"                         },
 258   {     300,    "300 %"                         },
 259
 260   {     -1,     NULL                            },
 261 };
 262
 263 static struct
 264 {
 265   char *value;
 266   char *text;
 267 } scaling_types_list[] =
 268 {
 269   {     SCALING_QUALITY_NEAREST, "None"         },
 270   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 271   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 272
 273   {     NULL,                    NULL           },
 274 };
 275
 276 static struct
 277 {
 278   char *value;
 279   char *text;
 280 } rendering_modes_list[] =
 281 {
 282   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 283   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 284   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 285   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 286
 287   {     NULL,                            NULL                            },
 288 };
 289
 290 static struct
 291 {
 292   int value;
 293   char *text;
 294 } game_speeds_list[] =
 295 {
 296 #if 1
 297   {     30,     "Very Slow"                     },
 298   {     25,     "Slow"                          },
 299   {     20,     "Normal"                        },
 300   {     15,     "Fast"                          },
 301   {     10,     "Very Fast"                     },
 302 #else
 303   {     1000,   "1/1s (Extremely Slow)"         },
 304   {     500,    "1/2s"                          },
 305   {     200,    "1/5s"                          },
 306   {     100,    "1/10s"                         },
 307   {     50,     "1/20s"                         },
 308   {     29,     "1/35s (Original Supaplex)"     },
 309   {     25,     "1/40s"                         },
 310   {     20,     "1/50s (Normal Speed)"          },
 311   {     14,     "1/70s (Maximum Supaplex)"      },
 312   {     10,     "1/100s"                        },
 313   {     5,      "1/200s"                        },
 314   {     2,      "1/500s"                        },
 315   {     1,      "1/1000s (Extremely Fast)"      },
 316 #endif
 317
 318   {     -1,     NULL                            },
 319 };
 320
 321 static struct
 322 {
 323   int value;
 324   char *text;
 325 } scroll_delays_list[] =
 326 {
 327   {     0,      "0 Tiles (No Scroll Delay)"     },
 328   {     1,      "1 Tile"                        },
 329   {     2,      "2 Tiles"                       },
 330   {     3,      "3 Tiles (Default)"             },
 331   {     4,      "4 Tiles"                       },
 332   {     5,      "5 Tiles"                       },
 333   {     6,      "6 Tiles"                       },
 334   {     7,      "7 Tiles"                       },
 335   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 336
 337   {     -1,     NULL                            },
 338 };
 339
 340 static struct
 341 {
 342   char *value;
 343   char *text;
 344 } snapshot_modes_list[] =
 345 {
 346   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 347   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 348   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 349   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 350
 351   {     NULL,                                   NULL            },
 352 };
 353
 354 static struct
 355 {
 356   int value;
 357   char *text;
 358 } volumes_list[] =
 359 {
 360   {     0,      "0 %"                           },
 361   {     1,      "1 %"                           },
 362   {     2,      "2 %"                           },
 363   {     5,      "5 %"                           },
 364   {     10,     "10 %"                          },
 365   {     20,     "20 %"                          },
 366   {     30,     "30 %"                          },
 367   {     40,     "40 %"                          },
 368   {     50,     "50 %"                          },
 369   {     60,     "60 %"                          },
 370   {     70,     "70 %"                          },
 371   {     80,     "80 %"                          },
 372   {     90,     "90 %"                          },
 373   {     100,    "100 %"                         },
 374
 375   {     -1,     NULL                            },
 376 };
 377
 378 static struct
 379 {
 380   char *value;
 381   char *text;
 382 } touch_controls_list[] =
 383 {
 384   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 385   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 386
 387   {     NULL,                           NULL                    },
 388 };
 389
 390 static struct
 391 {
 392   int value;
 393   char *text;
 394 } distances_list[] =
 395 {
 396   {     1,      "1 %"                           },
 397   {     2,      "2 %"                           },
 398   {     3,      "3 %"                           },
 399   {     4,      "4 %"                           },
 400   {     5,      "5 %"                           },
 401   {     10,     "10 %"                          },
 402   {     15,     "15 %"                          },
 403   {     20,     "20 %"                          },
 404   {     25,     "25 %"                          },
 405
 406   {     -1,     NULL                            },
 407 };
 408
 409 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 410                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 411                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 412                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 413
 414 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 415 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_ELEMENTS &&           \
 416                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 417                                  INFO_MODE_MAIN)
 418
 419 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 420                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 421                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 422                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 423                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 424                                  SETUP_MODE_CHOOSE_OTHER)
 425
 426 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 427                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 428                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 429 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 430                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 431                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 432
 433 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 434                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 435                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 436 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 437                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 438                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 439
 440 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 441                                  DRAW_XOFFSET_INFO(info_mode) :         \
 442                                  (s) == GAME_MODE_SETUP ?               \
 443                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 444                                  menu.draw_xoffset[DRAW_MODE(s)])
 445 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 446                                  DRAW_YOFFSET_INFO(info_mode) :         \
 447                                  (s) == GAME_MODE_SETUP ?               \
 448                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 449                                  menu.draw_yoffset[DRAW_MODE(s)])
 450
 451 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 452 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 453
 454 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 455                                     menu.list_size[game_status] :       \
 456                                     MAX_MENU_ENTRIES_ON_SCREEN)
 457
 458 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 459                                          NUM_MENU_ENTRIES_ON_SCREEN)
 460
 461
 462 /* title display and control definitions */
 463
 464 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 465                                  2 * MAX_NUM_TITLE_MESSAGES)
 466
 467 #define NO_DIRECT_LEVEL_SELECT  (-1)
 468
 469
 470 static int num_title_screens = 0;
 471
 472 struct TitleControlInfo
 473 {
 474   boolean is_image;
 475   boolean initial;
 476   boolean first;
 477   int local_nr;
 478   int sort_priority;
 479 };
 480
 481 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 482
 483 /* main menu display and control definitions */
 484
 485 #define MAIN_CONTROL_NAME                       0
 486 #define MAIN_CONTROL_LEVELS                     1
 487 #define MAIN_CONTROL_SCORES                     2
 488 #define MAIN_CONTROL_EDITOR                     3
 489 #define MAIN_CONTROL_INFO                       4
 490 #define MAIN_CONTROL_GAME                       5
 491 #define MAIN_CONTROL_SETUP                      6
 492 #define MAIN_CONTROL_QUIT                       7
 493 #define MAIN_CONTROL_PREV_LEVEL                 8
 494 #define MAIN_CONTROL_NEXT_LEVEL                 9
 495 #define MAIN_CONTROL_FIRST_LEVEL                10
 496 #define MAIN_CONTROL_LAST_LEVEL                 11
 497 #define MAIN_CONTROL_LEVEL_NUMBER               12
 498 #define MAIN_CONTROL_LEVEL_INFO_1               13
 499 #define MAIN_CONTROL_LEVEL_INFO_2               14
 500 #define MAIN_CONTROL_LEVEL_NAME                 15
 501 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 502 #define MAIN_CONTROL_LEVEL_YEAR                 17
 503 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 504 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 505 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 506 #define MAIN_CONTROL_TITLE_1                    21
 507 #define MAIN_CONTROL_TITLE_2                    22
 508 #define MAIN_CONTROL_TITLE_3                    23
 509
 510 static char str_main_text_name[10];
 511 static char str_main_text_first_level[10];
 512 static char str_main_text_last_level[10];
 513 static char str_main_text_level_number[10];
 514
 515 static char *main_text_name                     = str_main_text_name;
 516 static char *main_text_first_level              = str_main_text_first_level;
 517 static char *main_text_last_level               = str_main_text_last_level;
 518 static char *main_text_level_number             = str_main_text_level_number;
 519 static char *main_text_levels                   = "Levelset";
 520 static char *main_text_scores                   = "Hall Of Fame";
 521 static char *main_text_editor                   = "Level Creator";
 522 static char *main_text_info                     = "Info Screen";
 523 static char *main_text_game                     = "Start Game";
 524 static char *main_text_setup                    = "Setup";
 525 static char *main_text_quit                     = "Quit";
 526 static char *main_text_level_name               = level.name;
 527 static char *main_text_level_author             = level.author;
 528 static char *main_text_level_year               = NULL;
 529 static char *main_text_level_imported_from      = NULL;
 530 static char *main_text_level_imported_by        = NULL;
 531 static char *main_text_level_tested_by          = NULL;
 532
 533 struct MainControlInfo
 534 {
 535   int nr;
 536
 537   struct MenuPosInfo *pos_button;
 538   int button_graphic;
 539
 540   struct TextPosInfo *pos_text;
 541   char **text;
 542
 543   struct TextPosInfo *pos_input;
 544   char **input;
 545 };
 546
 547 static struct MainControlInfo main_controls[] =
 548 {
 549   {
 550     MAIN_CONTROL_NAME,
 551     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 552     &menu.main.text.name,               &main_text_name,
 553     &menu.main.input.name,              &setup.player_name,
 554   },
 555   {
 556     MAIN_CONTROL_LEVELS,
 557     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 558     &menu.main.text.levels,             &main_text_levels,
 559     NULL,                               NULL,
 560   },
 561   {
 562     MAIN_CONTROL_SCORES,
 563     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 564     &menu.main.text.scores,             &main_text_scores,
 565     NULL,                               NULL,
 566   },
 567   {
 568     MAIN_CONTROL_EDITOR,
 569     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 570     &menu.main.text.editor,             &main_text_editor,
 571     NULL,                               NULL,
 572   },
 573   {
 574     MAIN_CONTROL_INFO,
 575     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 576     &menu.main.text.info,               &main_text_info,
 577     NULL,                               NULL,
 578   },
 579   {
 580     MAIN_CONTROL_GAME,
 581     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 582     &menu.main.text.game,               &main_text_game,
 583     NULL,                               NULL,
 584   },
 585   {
 586     MAIN_CONTROL_SETUP,
 587     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 588     &menu.main.text.setup,              &main_text_setup,
 589     NULL,                               NULL,
 590   },
 591   {
 592     MAIN_CONTROL_QUIT,
 593     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 594     &menu.main.text.quit,               &main_text_quit,
 595     NULL,                               NULL,
 596   },
 597 #if 0
 598   /* (these two buttons are real gadgets) */
 599   {
 600     MAIN_CONTROL_PREV_LEVEL,
 601     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 602     NULL,                               NULL,
 603     NULL,                               NULL,
 604   },
 605   {
 606     MAIN_CONTROL_NEXT_LEVEL,
 607     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 608     NULL,                               NULL,
 609     NULL,                               NULL,
 610   },
 611 #endif
 612   {
 613     MAIN_CONTROL_FIRST_LEVEL,
 614     NULL,                               -1,
 615     &menu.main.text.first_level,        &main_text_first_level,
 616     NULL,                               NULL,
 617   },
 618   {
 619     MAIN_CONTROL_LAST_LEVEL,
 620     NULL,                               -1,
 621     &menu.main.text.last_level,         &main_text_last_level,
 622     NULL,                               NULL,
 623   },
 624   {
 625     MAIN_CONTROL_LEVEL_NUMBER,
 626     NULL,                               -1,
 627     &menu.main.text.level_number,       &main_text_level_number,
 628     NULL,                               NULL,
 629   },
 630   {
 631     MAIN_CONTROL_LEVEL_INFO_1,
 632     NULL,                               -1,
 633     &menu.main.text.level_info_1,       NULL,
 634     NULL,                               NULL,
 635   },
 636   {
 637     MAIN_CONTROL_LEVEL_INFO_2,
 638     NULL,                               -1,
 639     &menu.main.text.level_info_2,       NULL,
 640     NULL,                               NULL,
 641   },
 642   {
 643     MAIN_CONTROL_LEVEL_NAME,
 644     NULL,                               -1,
 645     &menu.main.text.level_name,         &main_text_level_name,
 646     NULL,                               NULL,
 647   },
 648   {
 649     MAIN_CONTROL_LEVEL_AUTHOR,
 650     NULL,                               -1,
 651     &menu.main.text.level_author,       &main_text_level_author,
 652     NULL,                               NULL,
 653   },
 654   {
 655     MAIN_CONTROL_LEVEL_YEAR,
 656     NULL,                               -1,
 657     &menu.main.text.level_year,         &main_text_level_year,
 658     NULL,                               NULL,
 659   },
 660   {
 661     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 662     NULL,                               -1,
 663     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 664     NULL,                               NULL,
 665   },
 666   {
 667     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 668     NULL,                               -1,
 669     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 670     NULL,                               NULL,
 671   },
 672   {
 673     MAIN_CONTROL_LEVEL_TESTED_BY,
 674     NULL,                               -1,
 675     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 676     NULL,                               NULL,
 677   },
 678   {
 679     MAIN_CONTROL_TITLE_1,
 680     NULL,                               -1,
 681     &menu.main.text.title_1,            &setup.internal.program_title,
 682     NULL,                               NULL,
 683   },
 684   {
 685     MAIN_CONTROL_TITLE_2,
 686     NULL,                               -1,
 687     &menu.main.text.title_2,            &setup.internal.program_copyright,
 688     NULL,                               NULL,
 689   },
 690   {
 691     MAIN_CONTROL_TITLE_3,
 692     NULL,                               -1,
 693     &menu.main.text.title_3,            &setup.internal.program_company,
 694     NULL,                               NULL,
 695   },
 696
 697   {
 698     -1,
 699     NULL,                               -1,
 700     NULL,                               NULL,
 701     NULL,                               NULL,
 702   }
 703 };
 704
 705
 706 static int getTitleScreenGraphic(int nr, boolean initial)
 707 {
 708   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 709 }
 710
 711 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 712 {
 713   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 714 }
 715
 716 #if 0
 717 static int getTitleScreenGameMode(boolean initial)
 718 {
 719   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 720 }
 721 #endif
 722
 723 static int getTitleMessageGameMode(boolean initial)
 724 {
 725   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 726 }
 727
 728 #if 0
 729 static int getTitleScreenBackground(boolean initial)
 730 {
 731   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 732 }
 733 #endif
 734
 735 #if 0
 736 static int getTitleMessageBackground(int nr, boolean initial)
 737 {
 738   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 739 }
 740 #endif
 741
 742 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 743 {
 744   int base = (is_image ?
 745               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 746                          IMG_BACKGROUND_TITLESCREEN_1) :
 747               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 748                          IMG_BACKGROUND_TITLEMESSAGE_1));
 749   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 750                                   IMG_BACKGROUND_TITLE);
 751   int graphic_local = base + nr;
 752
 753   if (graphic_info[graphic_local].bitmap != NULL)
 754     return graphic_local;
 755
 756   if (graphic_info[graphic_global].bitmap != NULL)
 757     return graphic_global;
 758
 759   return IMG_UNDEFINED;
 760 }
 761
 762 static int getTitleSound(struct TitleControlInfo *tci)
 763 {
 764   boolean is_image = tci->is_image;
 765   int initial = tci->initial;
 766   int nr = tci->local_nr;
 767   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 768   int base = (is_image ?
 769               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 770                          SND_BACKGROUND_TITLESCREEN_1) :
 771               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 772                          SND_BACKGROUND_TITLEMESSAGE_1));
 773   int sound_global = menu.sound[mode];
 774   int sound_local = base + nr;
 775
 776 #if 0
 777   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 778          nr, initial, is_image,
 779          sound_global, getSoundListEntry(sound_global)->filename,
 780          sound_local, getSoundListEntry(sound_local)->filename);
 781 #endif
 782
 783   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 784     return sound_local;
 785
 786   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 787     return sound_global;
 788
 789   return SND_UNDEFINED;
 790 }
 791
 792 static int getTitleMusic(struct TitleControlInfo *tci)
 793 {
 794   boolean is_image = tci->is_image;
 795   int initial = tci->initial;
 796   int nr = tci->local_nr;
 797   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 798   int base = (is_image ?
 799               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 800                          MUS_BACKGROUND_TITLESCREEN_1) :
 801               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 802                          MUS_BACKGROUND_TITLEMESSAGE_1));
 803   int music_global = menu.music[mode];
 804   int music_local = base + nr;
 805
 806 #if 0
 807   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 808          nr, initial, is_image,
 809          music_global, getMusicListEntry(music_global)->filename,
 810          music_local, getMusicListEntry(music_local)->filename);
 811 #endif
 812
 813   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 814     return music_local;
 815
 816   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 817     return music_global;
 818
 819   return MUS_UNDEFINED;
 820 }
 821
 822 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 823 {
 824   boolean is_image = tci->is_image;
 825   boolean initial = tci->initial;
 826   boolean first = tci->first;
 827   int nr = tci->local_nr;
 828   struct TitleMessageInfo tmi;
 829   struct TitleFadingInfo ti;
 830
 831   tmi = (is_image ? (initial ? (first ?
 832                                 titlescreen_initial_first[nr] :
 833                                 titlescreen_initial[nr])
 834                              : (first ?
 835                                 titlescreen_first[nr] :
 836                                 titlescreen[nr]))
 837                   : (initial ? (first ?
 838                                 titlemessage_initial_first[nr] :
 839                                 titlemessage_initial[nr])
 840                              : (first ?
 841                                 titlemessage_first[nr] :
 842                                 titlemessage[nr])));
 843
 844   ti.fade_mode  = tmi.fade_mode;
 845   ti.fade_delay = tmi.fade_delay;
 846   ti.post_delay = tmi.post_delay;
 847   ti.auto_delay = tmi.auto_delay;
 848
 849   return ti;
 850 }
 851
 852 static int compareTitleControlInfo(const void *object1, const void *object2)
 853 {
 854   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 855   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 856   int compare_result;
 857
 858   if (tci1->initial != tci2->initial)
 859     compare_result = (tci1->initial ? -1 : +1);
 860   else if (tci1->sort_priority != tci2->sort_priority)
 861     compare_result = tci1->sort_priority - tci2->sort_priority;
 862   else if (tci1->is_image != tci2->is_image)
 863     compare_result = (tci1->is_image ? -1 : +1);
 864   else
 865     compare_result = tci1->local_nr - tci2->local_nr;
 866
 867   return compare_result;
 868 }
 869
 870 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 871                                                     boolean initial,
 872                                                     int nr, int sort_priority)
 873 {
 874   title_controls[num_title_screens].is_image = is_image;
 875   title_controls[num_title_screens].initial = initial;
 876   title_controls[num_title_screens].local_nr = nr;
 877   title_controls[num_title_screens].sort_priority = sort_priority;
 878
 879   title_controls[num_title_screens].first = FALSE;      /* will be set later */
 880
 881   num_title_screens++;
 882 }
 883
 884 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 885 {
 886   int i;
 887
 888   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 889   {
 890     int graphic = getTitleScreenGraphic(i, initial);
 891     Bitmap *bitmap = graphic_info[graphic].bitmap;
 892     int sort_priority = graphic_info[graphic].sort_priority;
 893
 894     if (bitmap != NULL)
 895       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 896   }
 897
 898   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 899   {
 900     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 901     char *filename = getLevelSetTitleMessageFilename(i, initial);
 902     int sort_priority = tmi->sort_priority;
 903
 904     if (filename != NULL)
 905       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 906   }
 907 }
 908
 909 static void InitializeTitleControls(boolean show_title_initial)
 910 {
 911   num_title_screens = 0;
 912
 913   /* 1st step: initialize title screens for game start (only when starting) */
 914   if (show_title_initial)
 915     InitializeTitleControls_CheckTitleInfo(TRUE);
 916
 917   /* 2nd step: initialize title screens for current level set */
 918   InitializeTitleControls_CheckTitleInfo(FALSE);
 919
 920   /* sort title screens according to sort_priority and title number */
 921   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 922         compareTitleControlInfo);
 923
 924   /* mark first title screen */
 925   title_controls[0].first = TRUE;
 926 }
 927
 928 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 929 {
 930   return (pos != NULL && pos->x != -1 && pos->y != -1);
 931 }
 932
 933 static boolean visibleTextPos(struct TextPosInfo *pos)
 934 {
 935   return (pos != NULL && pos->x != -1 && pos->y != -1);
 936 }
 937
 938 static void InitializeMainControls()
 939 {
 940   boolean local_team_mode = (!options.network && setup.team_mode);
 941   int i;
 942
 943   /* set main control text values to dynamically determined values */
 944   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
 945
 946   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
 947                                          menu.main.text.first_level.size));
 948   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
 949                                          menu.main.text.last_level.size));
 950   strcpy(main_text_level_number, int2str(level_nr,
 951                                          menu.main.text.level_number.size));
 952
 953   main_text_level_year          = leveldir_current->year;
 954   main_text_level_imported_from = leveldir_current->imported_from;
 955   main_text_level_imported_by   = leveldir_current->imported_by;
 956   main_text_level_tested_by     = leveldir_current->tested_by;
 957
 958   /* set main control screen positions to dynamically determined values */
 959   for (i = 0; main_controls[i].nr != -1; i++)
 960   {
 961     struct MainControlInfo *mci = &main_controls[i];
 962     int nr                         = mci->nr;
 963     struct MenuPosInfo *pos_button = mci->pos_button;
 964     struct TextPosInfo *pos_text   = mci->pos_text;
 965     struct TextPosInfo *pos_input  = mci->pos_input;
 966     char *text                     = (mci->text  ? *mci->text  : NULL);
 967     char *input                    = (mci->input ? *mci->input : NULL);
 968     int button_graphic             = mci->button_graphic;
 969     int font_text                  = (pos_text  ? pos_text->font  : -1);
 970     int font_input                 = (pos_input ? pos_input->font : -1);
 971
 972     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
 973     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
 974     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
 975     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
 976     int text_chars  = (text  != NULL ? strlen(text)  : 0);
 977     int input_chars = (input != NULL ? strlen(input) : 0);
 978
 979     int button_width =
 980       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
 981     int button_height =
 982       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
 983     int text_width   = font_text_width * text_chars;
 984     int text_height  = font_text_height;
 985     int input_width  = font_input_width * input_chars;
 986     int input_height = font_input_height;
 987
 988     if (nr == MAIN_CONTROL_NAME)
 989     {
 990       menu.main.input.name.width  = input_width;
 991       menu.main.input.name.height = input_height;
 992     }
 993
 994     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
 995     {
 996       pos_button->width  = button_width;
 997       pos_button->height = button_height;
 998     }
 999
1000     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1001     {
1002       /* calculate size for non-clickable text -- needed for text alignment */
1003       boolean calculate_text_size = (pos_button == NULL && text != NULL);
1004
1005       if (pos_text->width == -1 || calculate_text_size)
1006         pos_text->width = text_width;
1007       if (pos_text->height == -1 || calculate_text_size)
1008         pos_text->height = text_height;
1009
1010       if (visibleMenuPos(pos_button))
1011       {
1012         if (pos_text->x == -1)
1013           pos_text->x = pos_button->x + pos_button->width;
1014         if (pos_text->y == -1)
1015           pos_text->y =
1016             pos_button->y + (pos_button->height - pos_text->height) / 2;
1017       }
1018     }
1019
1020     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1021     {
1022       if (visibleTextPos(pos_text))
1023       {
1024         if (pos_input->x == -1)
1025           pos_input->x = pos_text->x + pos_text->width;
1026         if (pos_input->y == -1)
1027           pos_input->y = pos_text->y;
1028       }
1029
1030       if (pos_input->width == -1)
1031         pos_input->width = input_width;
1032       if (pos_input->height == -1)
1033         pos_input->height = input_height;
1034     }
1035   }
1036 }
1037
1038 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1039                                        int graphic, boolean pressed)
1040 {
1041   struct GraphicInfo *g = &graphic_info[graphic];
1042   Bitmap *src_bitmap;
1043   int src_x, src_y;
1044   int xoffset = (pressed ? g->pressed_xoffset : 0);
1045   int yoffset = (pressed ? g->pressed_yoffset : 0);
1046
1047   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1048
1049   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1050                    g->width, g->height, dst_x, dst_y);
1051 }
1052
1053 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1054                                        boolean active_input,
1055                                        boolean pressed_button)
1056 {
1057   int i;
1058
1059   for (i = 0; main_controls[i].nr != -1; i++)
1060   {
1061     struct MainControlInfo *mci = &main_controls[i];
1062
1063     if (mci->nr == nr || nr == -1)
1064     {
1065       struct MenuPosInfo *pos_button = mci->pos_button;
1066       struct TextPosInfo *pos_text   = mci->pos_text;
1067       struct TextPosInfo *pos_input  = mci->pos_input;
1068       char *text                     = (mci->text  ? *mci->text  : NULL);
1069       char *input                    = (mci->input ? *mci->input : NULL);
1070       int button_graphic             = mci->button_graphic;
1071       int font_text                  = (pos_text  ? pos_text->font  : -1);
1072       int font_input                 = (pos_input ? pos_input->font : -1);
1073
1074       if (active_text)
1075       {
1076         button_graphic = BUTTON_ACTIVE(button_graphic);
1077         font_text = FONT_ACTIVE(font_text);
1078       }
1079
1080       if (active_input)
1081       {
1082         font_input = FONT_ACTIVE(font_input);
1083       }
1084
1085       if (visibleMenuPos(pos_button))
1086       {
1087         struct MenuPosInfo *pos = pos_button;
1088         int x = mSX + pos->x;
1089         int y = mSY + pos->y;
1090
1091         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1092         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1093       }
1094
1095       if (visibleTextPos(pos_text) && text != NULL)
1096       {
1097         struct TextPosInfo *pos = pos_text;
1098         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1099         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1100
1101 #if 1
1102         /* (check why/if this is needed) */
1103         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1104 #endif
1105         DrawText(x, y, text, font_text);
1106       }
1107
1108       if (visibleTextPos(pos_input) && input != NULL)
1109       {
1110         struct TextPosInfo *pos = pos_input;
1111         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1112         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1113
1114 #if 1
1115         /* (check why/if this is needed) */
1116         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1117 #endif
1118         DrawText(x, y, input, font_input);
1119       }
1120     }
1121   }
1122 }
1123
1124 static void DrawCursorAndText_Main(int nr, boolean active_text,
1125                                    boolean pressed_button)
1126 {
1127   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1128 }
1129
1130 #if 0
1131 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1132                                          boolean pressed_button)
1133 {
1134   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1135 }
1136 #endif
1137
1138 static struct MainControlInfo *getMainControlInfo(int nr)
1139 {
1140   int i;
1141
1142   for (i = 0; main_controls[i].nr != -1; i++)
1143     if (main_controls[i].nr == nr)
1144       return &main_controls[i];
1145
1146   return NULL;
1147 }
1148
1149 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1150 {
1151   if (rect == NULL)
1152     return FALSE;
1153
1154   int rect_x = ALIGNED_TEXT_XPOS(rect);
1155   int rect_y = ALIGNED_TEXT_YPOS(rect);
1156
1157   return (x >= rect_x && x < rect_x + rect->width &&
1158           y >= rect_y && y < rect_y + rect->height);
1159 }
1160
1161 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1162 {
1163   if (rect == NULL)
1164     return FALSE;
1165
1166   int rect_x = ALIGNED_TEXT_XPOS(rect);
1167   int rect_y = ALIGNED_TEXT_YPOS(rect);
1168
1169 #if 0
1170   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1171          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1172          (x >= rect_x && x < rect_x + rect->width &&
1173           y >= rect_y && y < rect_y + rect->height));
1174 #endif
1175
1176   return (x >= rect_x && x < rect_x + rect->width &&
1177           y >= rect_y && y < rect_y + rect->height);
1178 }
1179
1180 static void AdjustScrollbar(int id, int items_max, int items_visible,
1181                             int item_position)
1182 {
1183   struct GadgetInfo *gi = screen_gadget[id];
1184
1185   if (item_position > items_max - items_visible)
1186     item_position = items_max - items_visible;
1187
1188   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1189                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1190                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1191 }
1192
1193 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1194 {
1195   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1196                   first_entry);
1197 }
1198
1199 static void clearMenuListArea()
1200 {
1201   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1202
1203   /* correct scrollbar position if placed outside menu (playfield) area */
1204   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1205     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1206
1207   /* clear menu list area, but not title or scrollbar */
1208   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1209                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1210 }
1211
1212 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1213 {
1214   static int cursor_array[MAX_LEV_FIELDY];
1215   int x = mSX + TILEX * xpos;
1216   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1217
1218   if (xpos == 0)
1219   {
1220     if (graphic != -1)
1221       cursor_array[ypos] = graphic;
1222     else
1223       graphic = cursor_array[ypos];
1224   }
1225
1226   if (active)
1227     graphic = BUTTON_ACTIVE(graphic);
1228
1229   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1230   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1231 }
1232
1233 static void initCursor(int ypos, int graphic)
1234 {
1235   drawCursorExt(0, ypos, FALSE, graphic);
1236 }
1237
1238 static void drawCursor(int ypos, boolean active)
1239 {
1240   drawCursorExt(0, ypos, active, -1);
1241 }
1242
1243 static void drawCursorXY(int xpos, int ypos, int graphic)
1244 {
1245   drawCursorExt(xpos, ypos, FALSE, graphic);
1246 }
1247
1248 static void drawChooseTreeCursor(int ypos, boolean active)
1249 {
1250   int last_game_status = game_status;   /* save current game status */
1251
1252   drawCursorExt(0, ypos, active, -1);
1253
1254   SetGameStatus(last_game_status);      /* restore current game status */
1255 }
1256
1257 void DrawHeadline()
1258 {
1259   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, getProgramTitleString());
1260   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
1261                     setup.internal.program_copyright);
1262 }
1263
1264 void DrawTitleScreenImage(int nr, boolean initial)
1265 {
1266   int graphic = getTitleScreenGraphic(nr, initial);
1267   Bitmap *bitmap = graphic_info[graphic].bitmap;
1268   int width  = graphic_info[graphic].width;
1269   int height = graphic_info[graphic].height;
1270   int src_x = graphic_info[graphic].src_x;
1271   int src_y = graphic_info[graphic].src_y;
1272   int dst_x, dst_y;
1273
1274   if (bitmap == NULL)
1275     return;
1276
1277   if (width > WIN_XSIZE)
1278   {
1279     /* image width too large for window => center image horizontally */
1280     src_x = (width - WIN_XSIZE) / 2;
1281     width = WIN_XSIZE;
1282   }
1283
1284   if (height > WIN_YSIZE)
1285   {
1286     /* image height too large for window => center image vertically */
1287     src_y = (height - WIN_YSIZE) / 2;
1288     height = WIN_YSIZE;
1289   }
1290
1291   /* always display title screens centered */
1292   dst_x = (WIN_XSIZE - width) / 2;
1293   dst_y = (WIN_YSIZE - height) / 2;
1294
1295   SetDrawBackgroundMask(REDRAW_ALL);
1296   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1297
1298   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1299
1300   if (DrawingOnBackground(dst_x, dst_y))
1301     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1302   else
1303     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1304
1305   redraw_mask = REDRAW_ALL;
1306 }
1307
1308 void DrawTitleScreenMessage(int nr, boolean initial)
1309 {
1310   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1311   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1312   int last_game_status = game_status;   /* save current game status */
1313
1314   if (filename == NULL)
1315     return;
1316
1317   /* force TITLE font on title message screen */
1318   SetGameStatus(getTitleMessageGameMode(initial));
1319
1320   /* if chars *and* width set to "-1", automatically determine width */
1321   if (tmi->chars == -1 && tmi->width == -1)
1322     tmi->width = viewport.window[game_status].width;
1323
1324   /* if lines *and* height set to "-1", automatically determine height */
1325   if (tmi->lines == -1 && tmi->height == -1)
1326     tmi->height = viewport.window[game_status].height;
1327
1328   /* if chars set to "-1", automatically determine by text and font width */
1329   if (tmi->chars == -1)
1330     tmi->chars = tmi->width / getFontWidth(tmi->font);
1331   else
1332     tmi->width = tmi->chars * getFontWidth(tmi->font);
1333
1334   /* if lines set to "-1", automatically determine by text and font height */
1335   if (tmi->lines == -1)
1336     tmi->lines = tmi->height / getFontHeight(tmi->font);
1337   else
1338     tmi->height = tmi->lines * getFontHeight(tmi->font);
1339
1340   /* if x set to "-1", automatically determine by width and alignment */
1341   if (tmi->x == -1)
1342     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1343
1344   /* if y set to "-1", automatically determine by height and alignment */
1345   if (tmi->y == -1)
1346     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1347
1348   SetDrawBackgroundMask(REDRAW_ALL);
1349   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1350
1351   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1352
1353   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1354                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1355                tmi->autowrap, tmi->centered, tmi->parse_comments);
1356
1357   SetGameStatus(last_game_status);      /* restore current game status */
1358 }
1359
1360 void DrawTitleScreen()
1361 {
1362   KeyboardAutoRepeatOff();
1363
1364   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1365
1366   StopAnimation();
1367 }
1368
1369 boolean CheckTitleScreen(boolean levelset_has_changed)
1370 {
1371   static boolean show_title_initial = TRUE;
1372   boolean show_titlescreen = FALSE;
1373
1374   /* needed to be able to skip title screen, if no image or message defined */
1375   InitializeTitleControls(show_title_initial);
1376
1377   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1378     show_titlescreen = TRUE;
1379
1380   /* show initial title images and messages only once at program start */
1381   show_title_initial = FALSE;
1382
1383   return (show_titlescreen && num_title_screens > 0);
1384 }
1385
1386 void DrawMainMenu()
1387 {
1388   static LevelDirTree *leveldir_last_valid = NULL;
1389   boolean levelset_has_changed = FALSE;
1390   int fade_mask = REDRAW_FIELD;
1391
1392   LimitScreenUpdates(FALSE);
1393
1394   FadeSetLeaveScreen();
1395
1396   /* do not fade out here -- function may continue and fade on editor screen */
1397
1398   UnmapAllGadgets();
1399   FadeSoundsAndMusic();
1400
1401   KeyboardAutoRepeatOn();
1402   ActivateJoystick();
1403
1404   audio.sound_deactivated = FALSE;
1405
1406   GetPlayerConfig();
1407
1408   /* needed if last screen was the playing screen, invoked from level editor */
1409   if (level_editor_test_game)
1410   {
1411     CloseDoor(DOOR_CLOSE_ALL);
1412
1413     SetGameStatus(GAME_MODE_EDITOR);
1414
1415     DrawLevelEd();
1416
1417     return;
1418   }
1419
1420   /* needed if last screen was the setup screen and fullscreen state changed */
1421   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1422   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1423
1424   /* leveldir_current may be invalid (level group, parent link) */
1425   if (!validLevelSeries(leveldir_current))
1426     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1427
1428   if (leveldir_current != leveldir_last_valid)
1429     levelset_has_changed = TRUE;
1430
1431   /* store valid level series information */
1432   leveldir_last_valid = leveldir_current;
1433
1434   init_last = init;                     /* switch to new busy animation */
1435
1436   /* needed if last screen (level choice) changed graphics, sounds or music */
1437   ReloadCustomArtwork(0);
1438
1439   if (CheckTitleScreen(levelset_has_changed))
1440   {
1441     game_status_last_screen = GAME_MODE_MAIN;
1442
1443     SetGameStatus(GAME_MODE_TITLE);
1444
1445     DrawTitleScreen();
1446
1447     return;
1448   }
1449
1450   /* needed if different viewport properties defined for menues */
1451   ChangeViewportPropertiesIfNeeded();
1452
1453   if (redraw_mask & REDRAW_ALL)
1454     fade_mask = REDRAW_ALL;
1455
1456   if (CheckIfGlobalBorderHasChanged())
1457     fade_mask = REDRAW_ALL;
1458
1459   FadeOut(fade_mask);
1460
1461   SetDrawtoField(DRAW_BACKBUFFER);
1462
1463   /* level_nr may have been set to value over handicap with level editor */
1464   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1465     level_nr = leveldir_current->handicap_level;
1466
1467   LoadLevel(level_nr);
1468   LoadScore(level_nr);
1469
1470   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1471   SetDrawDeactivationMask(REDRAW_NONE);
1472   SetDrawBackgroundMask(REDRAW_FIELD);
1473
1474   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1475
1476 #if 0
1477   if (fade_mask == REDRAW_ALL)
1478     RedrawGlobalBorder();
1479 #endif
1480
1481   ClearField();
1482
1483   InitializeMainControls();
1484
1485   DrawCursorAndText_Main(-1, FALSE, FALSE);
1486   DrawPreviewLevelInitial();
1487
1488   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1489
1490   TapeStop();
1491   if (TAPE_IS_EMPTY(tape))
1492     LoadTape(level_nr);
1493   DrawCompleteVideoDisplay();
1494
1495   PlayMenuSound();
1496   PlayMenuMusic();
1497
1498   /* create gadgets for main menu screen */
1499   FreeScreenGadgets();
1500   CreateScreenGadgets();
1501
1502   /* map gadgets for main menu screen */
1503   MapTapeButtons();
1504   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1505
1506   /* copy actual game door content to door double buffer for OpenDoor() */
1507   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1508   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1509
1510   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1511
1512   DrawMaskedBorder(fade_mask);
1513
1514   FadeIn(fade_mask);
1515   FadeSetEnterMenu();
1516
1517   /* update screen area with special editor door */
1518   redraw_mask |= REDRAW_ALL;
1519   BackToFront();
1520
1521   SetMouseCursor(CURSOR_DEFAULT);
1522
1523   InitAnimation();
1524
1525   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1526 }
1527
1528 static void gotoTopLevelDir()
1529 {
1530   /* move upwards until inside (but not above) top level directory */
1531   while (leveldir_current->node_parent &&
1532          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1533   {
1534     /* write a "path" into level tree for easy navigation to last level */
1535     if (leveldir_current->node_parent->node_group->cl_first == -1)
1536     {
1537       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1538       int leveldir_pos = posTreeInfo(leveldir_current);
1539       int num_page_entries;
1540       int cl_first, cl_cursor;
1541
1542       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1543         num_page_entries = num_leveldirs;
1544       else
1545         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1546
1547       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1548       cl_cursor = leveldir_pos - cl_first;
1549
1550       leveldir_current->node_parent->node_group->cl_first = cl_first;
1551       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1552     }
1553
1554     leveldir_current = leveldir_current->node_parent;
1555   }
1556 }
1557
1558 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1559 {
1560   static unsigned int title_delay = 0;
1561   static int title_screen_nr = 0;
1562   static int last_sound = -1, last_music = -1;
1563   boolean return_to_main_menu = FALSE;
1564   struct TitleControlInfo *tci;
1565   int sound, music;
1566
1567   if (button == MB_MENU_INITIALIZE)
1568   {
1569     title_delay = 0;
1570     title_screen_nr = 0;
1571     tci = &title_controls[title_screen_nr];
1572
1573     last_sound = SND_UNDEFINED;
1574     last_music = MUS_UNDEFINED;
1575
1576     if (num_title_screens != 0)
1577     {
1578       FadeSetEnterScreen();
1579
1580       /* use individual title fading instead of global "enter screen" fading */
1581       fading = getTitleFading(tci);
1582     }
1583
1584     if (game_status_last_screen == GAME_MODE_INFO)
1585     {
1586       if (num_title_screens == 0)
1587       {
1588         /* switch game mode from title screen mode back to info screen mode */
1589         SetGameStatus(GAME_MODE_INFO);
1590
1591         DrawInfoScreen_NotAvailable("Title screen information:",
1592                                     "No title screen for this level set.");
1593
1594         return;
1595       }
1596
1597       FadeSoundsAndMusic();
1598     }
1599
1600     FadeOut(REDRAW_ALL);
1601
1602     /* only required to update logic for redrawing global border */
1603     ClearField();
1604
1605     /* title screens may have different window size */
1606     ChangeViewportPropertiesIfNeeded();
1607
1608     if (tci->is_image)
1609       DrawTitleScreenImage(tci->local_nr, tci->initial);
1610     else
1611       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1612
1613     sound = getTitleSound(tci);
1614     music = getTitleMusic(tci);
1615
1616     if (sound != last_sound)
1617       PlayMenuSoundExt(sound);
1618     if (music != last_music)
1619       PlayMenuMusicExt(music);
1620
1621     last_sound = sound;
1622     last_music = music;
1623
1624     SetMouseCursor(CURSOR_NONE);
1625
1626     FadeIn(REDRAW_ALL);
1627
1628     DelayReached(&title_delay, 0);      /* reset delay counter */
1629
1630     return;
1631   }
1632
1633   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1634     button = MB_MENU_CHOICE;
1635
1636   if (button == MB_MENU_LEAVE)
1637   {
1638     return_to_main_menu = TRUE;
1639   }
1640   else if (button == MB_MENU_CHOICE)
1641   {
1642     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1643     {
1644       SetGameStatus(GAME_MODE_INFO);
1645
1646       info_mode = INFO_MODE_MAIN;
1647
1648       DrawInfoScreen();
1649
1650       return;
1651     }
1652
1653     title_screen_nr++;
1654     tci = &title_controls[title_screen_nr];
1655
1656     if (title_screen_nr < num_title_screens)
1657     {
1658       sound = getTitleSound(tci);
1659       music = getTitleMusic(tci);
1660
1661       if (sound == SND_UNDEFINED || sound != last_sound)
1662         FadeSounds();
1663       if (music == MUS_UNDEFINED || music != last_music)
1664         FadeMusic();
1665
1666       fading = getTitleFading(tci);
1667
1668       FadeOut(REDRAW_ALL);
1669
1670       if (tci->is_image)
1671         DrawTitleScreenImage(tci->local_nr, tci->initial);
1672       else
1673         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1674
1675       sound = getTitleSound(tci);
1676       music = getTitleMusic(tci);
1677
1678       if (sound != last_sound)
1679         PlayMenuSoundExt(sound);
1680       if (music != last_music)
1681         PlayMenuMusicExt(music);
1682
1683       last_sound = sound;
1684       last_music = music;
1685
1686       FadeIn(REDRAW_ALL);
1687
1688       DelayReached(&title_delay, 0);    /* reset delay counter */
1689     }
1690     else
1691     {
1692       FadeSoundsAndMusic();
1693
1694       return_to_main_menu = TRUE;
1695     }
1696   }
1697
1698   if (return_to_main_menu)
1699   {
1700     SetMouseCursor(CURSOR_DEFAULT);
1701
1702     /* force full menu screen redraw after displaying title screens */
1703     redraw_mask = REDRAW_ALL;
1704
1705     if (game_status_last_screen == GAME_MODE_INFO)
1706     {
1707       SetGameStatus(GAME_MODE_INFO);
1708
1709       info_mode = INFO_MODE_MAIN;
1710
1711       DrawInfoScreen();
1712     }
1713     else        /* default: return to main menu */
1714     {
1715       SetGameStatus(GAME_MODE_MAIN);
1716
1717       DrawMainMenu();
1718     }
1719   }
1720 }
1721
1722 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1723 {
1724   int old_level_nr = level_nr;
1725   int new_level_nr;
1726
1727   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1728     new_level_nr = selected_level_nr;
1729   else
1730     new_level_nr = old_level_nr + step * direction;
1731
1732   if (new_level_nr < leveldir_current->first_level)
1733     new_level_nr = leveldir_current->first_level;
1734   if (new_level_nr > leveldir_current->last_level)
1735     new_level_nr = leveldir_current->last_level;
1736
1737   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1738   {
1739     /* skipping levels is only allowed when trying to skip single level */
1740     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1741         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1742     {
1743       leveldir_current->handicap_level++;
1744       SaveLevelSetup_SeriesInfo();
1745     }
1746
1747     new_level_nr = leveldir_current->handicap_level;
1748   }
1749
1750   if (new_level_nr != old_level_nr)
1751   {
1752     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1753
1754     PlaySound(SND_MENU_ITEM_SELECTING);
1755
1756     level_nr = new_level_nr;
1757
1758     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1759              int2str(level_nr, menu.main.text.level_number.size),
1760              mci->pos_text->font);
1761
1762     LoadLevel(level_nr);
1763     DrawPreviewLevelInitial();
1764
1765     TapeErase();
1766     LoadTape(level_nr);
1767     DrawCompleteVideoDisplay();
1768
1769     /* needed because DrawPreviewLevelInitial() takes some time */
1770     BackToFront();
1771     /* SyncDisplay(); */
1772   }
1773 }
1774
1775 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1776 {
1777   static int choice = MAIN_CONTROL_GAME;
1778   static boolean button_pressed_last = FALSE;
1779   boolean button_pressed = FALSE;
1780   int pos = choice;
1781   int i;
1782
1783   if (button == MB_MENU_INITIALIZE)
1784   {
1785     DrawCursorAndText_Main(choice, TRUE, FALSE);
1786
1787     return;
1788   }
1789
1790   if (mx || my)         /* mouse input */
1791   {
1792     pos = -1;
1793
1794     for (i = 0; main_controls[i].nr != -1; i++)
1795     {
1796       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1797           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1798           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1799       {
1800         pos = main_controls[i].nr;
1801
1802         break;
1803       }
1804     }
1805
1806     // handle pressed/unpressed state for active/inactive menu buttons
1807     // (if pos != -1, "i" contains index position corresponding to "pos")
1808     if (button &&
1809         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1810         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1811       button_pressed = TRUE;
1812
1813     if (button_pressed != button_pressed_last)
1814     {
1815       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1816
1817       if (button_pressed)
1818         PlaySound(SND_MENU_BUTTON_PRESSING);
1819       else
1820         PlaySound(SND_MENU_BUTTON_RELEASING);
1821     }
1822   }
1823   else if (dx || dy)    /* keyboard input */
1824   {
1825     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1826                    choice == MAIN_CONTROL_SETUP))
1827       button = MB_MENU_CHOICE;
1828     else if (dy)
1829       pos = choice + dy;
1830   }
1831
1832   if (pos == MAIN_CONTROL_LEVELS && dx != 0 && button)
1833   {
1834     HandleMainMenu_SelectLevel(1, (dx < 0 ? -1 : +1), NO_DIRECT_LEVEL_SELECT);
1835   }
1836   else if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1837   {
1838     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1839   }
1840   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1841   {
1842     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1843   }
1844   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1845   {
1846     StopAnimation();
1847
1848     CloseDoor(DOOR_CLOSE_2);
1849
1850     SetGameStatus(GAME_MODE_LEVELNR);
1851
1852     ChangeViewportPropertiesIfNeeded();
1853
1854     DrawChooseLevelNr();
1855   }
1856   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1857   {
1858     if (button)
1859     {
1860       if (pos != choice)
1861       {
1862         PlaySound(SND_MENU_ITEM_ACTIVATING);
1863
1864         DrawCursorAndText_Main(choice, FALSE, FALSE);
1865         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1866
1867         choice = pos;
1868       }
1869     }
1870     else
1871     {
1872       PlaySound(SND_MENU_ITEM_SELECTING);
1873
1874       if (pos == MAIN_CONTROL_NAME)
1875       {
1876         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
1877
1878         HandleTypeName(strlen(setup.player_name), 0);
1879       }
1880       else if (pos == MAIN_CONTROL_LEVELS)
1881       {
1882         if (leveldir_first)
1883         {
1884           StopAnimation();
1885
1886           CloseDoor(DOOR_CLOSE_2);
1887
1888           SetGameStatus(GAME_MODE_LEVELS);
1889
1890           SaveLevelSetup_LastSeries();
1891           SaveLevelSetup_SeriesInfo();
1892
1893           if (setup.internal.choose_from_top_leveldir)
1894             gotoTopLevelDir();
1895
1896           ChangeViewportPropertiesIfNeeded();
1897
1898           DrawChooseLevelSet();
1899         }
1900       }
1901       else if (pos == MAIN_CONTROL_SCORES)
1902       {
1903         StopAnimation();
1904
1905         CloseDoor(DOOR_CLOSE_2);
1906
1907         SetGameStatus(GAME_MODE_SCORES);
1908
1909         DrawHallOfFame(-1);
1910       }
1911       else if (pos == MAIN_CONTROL_EDITOR)
1912       {
1913         if (leveldir_current->readonly &&
1914             !strEqual(setup.player_name, "Artsoft"))
1915           Request("This level is read only!", REQ_CONFIRM);
1916
1917         StopAnimation();
1918
1919         CloseDoor(DOOR_CLOSE_2);
1920
1921         SetGameStatus(GAME_MODE_EDITOR);
1922
1923         FadeSetEnterScreen();
1924
1925         DrawLevelEd();
1926       }
1927       else if (pos == MAIN_CONTROL_INFO)
1928       {
1929         StopAnimation();
1930
1931         CloseDoor(DOOR_CLOSE_2);
1932
1933         SetGameStatus(GAME_MODE_INFO);
1934
1935         info_mode = INFO_MODE_MAIN;
1936
1937         ChangeViewportPropertiesIfNeeded();
1938
1939         DrawInfoScreen();
1940       }
1941       else if (pos == MAIN_CONTROL_GAME)
1942       {
1943         StopAnimation();
1944
1945         StartGameActions(options.network, setup.autorecord, level.random_seed);
1946       }
1947       else if (pos == MAIN_CONTROL_SETUP)
1948       {
1949         StopAnimation();
1950
1951         CloseDoor(DOOR_CLOSE_2);
1952
1953         SetGameStatus(GAME_MODE_SETUP);
1954
1955         setup_mode = SETUP_MODE_MAIN;
1956
1957         ChangeViewportPropertiesIfNeeded();
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
2166   FreeScreenGadgets();
2167   CreateScreenGadgets();
2168
2169   /* (needed after displaying title screens which disable auto repeat) */
2170   KeyboardAutoRepeatOn();
2171
2172   FadeSetLeaveScreen();
2173
2174   FadeOut(fade_mask);
2175
2176   ChangeViewportPropertiesIfNeeded();
2177
2178   ClearField();
2179
2180   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2181
2182   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2183
2184   info_info = info_info_main;
2185
2186   // determine maximal number of info entries that can be displayed on screen
2187   num_info_info = 0;
2188   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2189     num_info_info++;
2190
2191   // determine maximal number of info entries available for menu of info screen
2192   max_info_info = 0;
2193   for (i = 0; info_info[i].type != 0; i++)
2194     max_info_info++;
2195
2196   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2197
2198   MapScreenGadgets(max_info_info);
2199
2200   PlayMenuSound();
2201   PlayMenuMusic();
2202
2203   DrawMaskedBorder(fade_mask);
2204
2205   FadeIn(fade_mask);
2206
2207   InitAnimation();
2208 }
2209
2210 static void changeSetupValue(int, int, int);
2211
2212 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2213                       int mode, int num_page_entries, int max_page_entries)
2214 {
2215   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2216   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2217   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2218   int *num_page_entries_last = num_page_entries_all_last[game_status];
2219   int *choice_store = choice_stores[game_status];
2220   int *first_entry_store = first_entry_stores[game_status];
2221   int choice = choice_store[mode];              /* starts with 0 */
2222   int first_entry = first_entry_store[mode];    /* starts with 0 */
2223   int x = 0;
2224   int y = choice - first_entry;
2225   int y_old = y;
2226   boolean position_set_by_scrollbar = (dx == 999);
2227   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2228   int i;
2229
2230   if (button == MB_MENU_INITIALIZE)
2231   {
2232     // check if number of menu page entries has changed (may happen by change
2233     // of custom artwork definition value for 'list_size' for this menu screen)
2234     // (in this case, the last menu position most probably has to be corrected)
2235     if (num_page_entries != num_page_entries_last[mode])
2236     {
2237       choice_store[mode] = first_entry_store[mode] = 0;
2238
2239       choice = first_entry = 0;
2240       y = y_old = 0;
2241
2242       num_page_entries_last[mode] = num_page_entries;
2243     }
2244
2245     /* advance to first valid menu entry */
2246     while (choice < num_page_entries &&
2247            menu_info[choice].type & TYPE_SKIP_ENTRY)
2248       choice++;
2249
2250     if (position_set_by_scrollbar)
2251       first_entry = first_entry_store[mode] = dy;
2252     else
2253       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2254                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2255
2256     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2257
2258     if (choice < first_entry)
2259     {
2260       choice = first_entry;
2261
2262       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2263         choice++;
2264     }
2265     else if (choice > first_entry + num_page_entries - 1)
2266     {
2267       choice = first_entry + num_page_entries - 1;
2268
2269       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2270         choice--;
2271     }
2272
2273     choice_store[mode] = choice;
2274
2275     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2276
2277     return;
2278   }
2279   else if (button == MB_MENU_LEAVE)
2280   {
2281     PlaySound(SND_MENU_ITEM_SELECTING);
2282
2283     for (i = 0; i < max_page_entries; i++)
2284     {
2285       if (menu_info[i].type & TYPE_LEAVE_MENU)
2286       {
2287         void (*menu_callback_function)(void) = menu_info[i].value;
2288
2289         FadeSetLeaveMenu();
2290
2291         menu_callback_function();
2292
2293         break;  /* absolutely needed because function changes 'menu_info'! */
2294       }
2295     }
2296
2297     return;
2298   }
2299
2300   if (mx || my)         /* mouse input */
2301   {
2302     x = (mx - mSX) / 32;
2303     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2304   }
2305   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2306   {
2307     /* move cursor instead of scrolling when already at start/end of list */
2308     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2309       dy = -1;
2310     else if (dy == +1 * SCROLL_LINE &&
2311              first_entry + num_page_entries == max_page_entries)
2312       dy = 1;
2313
2314     /* handle scrolling screen one line or page */
2315     if (y + dy < 0 ||
2316         y + dy > num_page_entries - 1)
2317     {
2318       boolean redraw = FALSE;
2319
2320       if (ABS(dy) == SCROLL_PAGE)
2321         step = num_page_entries - 1;
2322
2323       if (dy < 0 && first_entry > 0)
2324       {
2325         /* scroll page/line up */
2326
2327         first_entry -= step;
2328         if (first_entry < 0)
2329           first_entry = 0;
2330
2331         redraw = TRUE;
2332       }
2333       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2334       {
2335         /* scroll page/line down */
2336
2337         first_entry += step;
2338         if (first_entry + num_page_entries > max_page_entries)
2339           first_entry = MAX(0, max_page_entries - num_page_entries);
2340
2341         redraw = TRUE;
2342       }
2343
2344       if (redraw)
2345       {
2346         choice += first_entry - first_entry_store[mode];
2347
2348         if (choice < first_entry)
2349         {
2350           choice = first_entry;
2351
2352           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2353             choice++;
2354         }
2355         else if (choice > first_entry + num_page_entries - 1)
2356         {
2357           choice = first_entry + num_page_entries - 1;
2358
2359           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2360             choice--;
2361         }
2362         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2363         {
2364           choice += SIGN(dy);
2365
2366           if (choice < first_entry ||
2367               choice > first_entry + num_page_entries - 1)
2368           first_entry += SIGN(dy);
2369         }
2370
2371         first_entry_store[mode] = first_entry;
2372         choice_store[mode] = choice;
2373
2374         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2375
2376         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2377
2378         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2379                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2380       }
2381
2382       return;
2383     }
2384
2385     if (dx)
2386     {
2387       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2388
2389       if (menu_info[choice].type & menu_navigation_type ||
2390           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2391           menu_info[choice].type & TYPE_YES_NO_AUTO)
2392         button = MB_MENU_CHOICE;
2393     }
2394     else if (dy)
2395       y += dy;
2396
2397     /* jump to next non-empty menu entry (up or down) */
2398     while (first_entry + y > 0 &&
2399            first_entry + y < max_page_entries - 1 &&
2400            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2401       y += dy;
2402
2403     if (!IN_VIS_MENU(x, y))
2404     {
2405       choice += y - y_old;
2406
2407       if (choice < first_entry)
2408         first_entry = choice;
2409       else if (choice > first_entry + num_page_entries - 1)
2410         first_entry = choice - num_page_entries + 1;
2411
2412       if (first_entry >= 0 &&
2413           first_entry + num_page_entries <= max_page_entries)
2414       {
2415         first_entry_store[mode] = first_entry;
2416
2417         if (choice < first_entry)
2418           choice = first_entry;
2419         else if (choice > first_entry + num_page_entries - 1)
2420           choice = first_entry + num_page_entries - 1;
2421
2422         choice_store[mode] = choice;
2423
2424         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2425
2426         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2427
2428         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2429                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2430       }
2431
2432       return;
2433     }
2434   }
2435
2436   if (!anyScrollbarGadgetActive() &&
2437       IN_VIS_MENU(x, y) &&
2438       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2439       y >= 0 && y < num_page_entries)
2440   {
2441     if (button)
2442     {
2443       if (first_entry + y != choice &&
2444           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2445       {
2446         PlaySound(SND_MENU_ITEM_ACTIVATING);
2447
2448         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2449         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2450
2451         choice = choice_store[mode] = first_entry + y;
2452       }
2453     }
2454     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2455     {
2456       PlaySound(SND_MENU_ITEM_SELECTING);
2457
2458       /* when selecting key headline, execute function for key value change */
2459       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2460           menu_info[first_entry + y + 1].type & TYPE_KEY)
2461         y++;
2462
2463       /* when selecting string value, execute function for list selection */
2464       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2465           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2466         y--;
2467
2468       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2469       {
2470         void (*menu_callback_function)(void) =
2471           menu_info[first_entry + y].value;
2472
2473         FadeSetFromType(menu_info[first_entry + y].type);
2474
2475         menu_callback_function();
2476       }
2477       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2478                menu_info == setup_info)
2479       {
2480         changeSetupValue(y, first_entry + y, dx);
2481       }
2482     }
2483   }
2484 }
2485
2486 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2487 {
2488   menu_info = info_info;
2489
2490   HandleMenuScreen(mx, my, dx, dy, button,
2491                    info_mode, num_info_info, max_info_info);
2492 }
2493
2494 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2495 {
2496   int ystart1 = mSY - SY + 100;
2497   int ystart2 = mSY - SY + 150;
2498   int ybottom = mSY - SY + SYSIZE - 20;
2499
2500   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2501
2502   FadeOut(REDRAW_FIELD);
2503
2504   ClearField();
2505   DrawHeadline();
2506
2507   DrawTextSCentered(ystart1, FONT_TEXT_1, text_title);
2508   DrawTextSCentered(ystart2, FONT_TEXT_2, text_error);
2509
2510   DrawTextSCentered(ybottom, FONT_TEXT_4,
2511                     "Press any key or button for info menu");
2512
2513   FadeIn(REDRAW_FIELD);
2514 }
2515
2516 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2517 {
2518   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2519   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2520   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2521   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2522   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2523   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2524   int ystep = MENU_SCREEN_INFO_YSTEP;
2525   int element, action, direction;
2526   int graphic;
2527   int delay;
2528   int sync_frame;
2529   int i, j;
2530
2531   if (init)
2532   {
2533     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2534       infoscreen_step[i] = infoscreen_frame[i] = 0;
2535
2536     ClearField();
2537     DrawHeadline();
2538
2539     DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Elements:");
2540
2541     DrawTextSCentered(ybottom, FONT_TEXT_4,
2542                       "Press any key or button for next page");
2543
2544     FrameCounter = 0;
2545   }
2546
2547   i = j = 0;
2548   while (helpanim_info[j].element != HELPANIM_LIST_END)
2549   {
2550     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2551         i >= max_anims)
2552       break;
2553     else if (i < start)
2554     {
2555       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2556         j++;
2557
2558       j++;
2559       i++;
2560
2561       continue;
2562     }
2563
2564     j += infoscreen_step[i - start];
2565
2566     element = helpanim_info[j].element;
2567     action = helpanim_info[j].action;
2568     direction = helpanim_info[j].direction;
2569
2570     if (element < 0)
2571       element = EL_UNKNOWN;
2572
2573     if (action != -1 && direction != -1)
2574       graphic = el_act_dir2img(element, action, direction);
2575     else if (action != -1)
2576       graphic = el_act2img(element, action);
2577     else if (direction != -1)
2578       graphic = el_dir2img(element, direction);
2579     else
2580       graphic = el2img(element);
2581
2582     delay = helpanim_info[j++].delay;
2583
2584     if (delay == -1)
2585       delay = 1000000;
2586
2587     if (infoscreen_frame[i - start] == 0)
2588     {
2589       sync_frame = 0;
2590       infoscreen_frame[i - start] = delay - 1;
2591     }
2592     else
2593     {
2594       sync_frame = delay - infoscreen_frame[i - start];
2595       infoscreen_frame[i - start]--;
2596     }
2597
2598     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2599     {
2600       if (!infoscreen_frame[i - start])
2601         infoscreen_step[i - start] = 0;
2602     }
2603     else
2604     {
2605       if (!infoscreen_frame[i - start])
2606         infoscreen_step[i - start]++;
2607       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2608         j++;
2609     }
2610
2611     j++;
2612
2613     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2614                                TILEX, TILEY);
2615     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2616                                  graphic, sync_frame, USE_MASKING);
2617
2618     if (init)
2619       DrawInfoScreen_HelpText(element, action, direction, i - start);
2620
2621     i++;
2622   }
2623
2624   redraw_mask |= REDRAW_FIELD;
2625
2626   FrameCounter++;
2627 }
2628
2629 static char *getHelpText(int element, int action, int direction)
2630 {
2631   char token[MAX_LINE_LEN];
2632
2633   strcpy(token, element_info[element].token_name);
2634
2635   if (action != -1)
2636     strcat(token, element_action_info[action].suffix);
2637
2638   if (direction != -1)
2639     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2640
2641   return getHashEntry(helptext_info, token);
2642 }
2643
2644 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2645 {
2646   int font_nr = FONT_INFO_ELEMENTS;
2647   int font_width = getFontWidth(font_nr);
2648   int sx = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2649   int sy = mSY + 65 + 2 * 32 + 1;
2650   int ystep = TILEY + 4;
2651   int pad_x = sx - SX;
2652   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2653   int max_lines_per_text = 2;
2654   char *text = NULL;
2655
2656   if (action != -1 && direction != -1)          /* element.action.direction */
2657     text = getHelpText(element, action, direction);
2658
2659   if (text == NULL && action != -1)             /* element.action */
2660     text = getHelpText(element, action, -1);
2661
2662   if (text == NULL && direction != -1)          /* element.direction */
2663     text = getHelpText(element, -1, direction);
2664
2665   if (text == NULL)                             /* base element */
2666     text = getHelpText(element, -1, -1);
2667
2668   if (text == NULL)                             /* not found */
2669     text = "No description available";
2670
2671   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2672     sy += getFontHeight(font_nr) / 2;
2673
2674   DrawTextBuffer(sx, sy + ypos * ystep, text, font_nr,
2675                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2676                  TRUE, FALSE, FALSE);
2677 }
2678
2679 void DrawInfoScreen_TitleScreen()
2680 {
2681   game_status_last_screen = GAME_MODE_INFO;
2682
2683   SetGameStatus(GAME_MODE_TITLE);
2684
2685   DrawTitleScreen();
2686 }
2687
2688 void HandleInfoScreen_TitleScreen(int button)
2689 {
2690   HandleTitleScreen(0, 0, 0, 0, button);
2691 }
2692
2693 void DrawInfoScreen_Elements()
2694 {
2695   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2696
2697   FadeOut(REDRAW_FIELD);
2698
2699   LoadHelpAnimInfo();
2700   LoadHelpTextInfo();
2701
2702   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2703
2704   FadeIn(REDRAW_FIELD);
2705
2706   InitAnimation();
2707 }
2708
2709 void HandleInfoScreen_Elements(int button)
2710 {
2711   static unsigned int info_delay = 0;
2712   static int num_anims;
2713   static int num_pages;
2714   static int page;
2715   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2716   int i;
2717
2718   if (button == MB_MENU_INITIALIZE)
2719   {
2720     boolean new_element = TRUE;
2721
2722     num_anims = 0;
2723
2724     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2725     {
2726       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2727         new_element = TRUE;
2728       else if (new_element)
2729       {
2730         num_anims++;
2731         new_element = FALSE;
2732       }
2733     }
2734
2735     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2736     page = 0;
2737   }
2738
2739   if (button == MB_MENU_LEAVE)
2740   {
2741     PlaySound(SND_MENU_ITEM_SELECTING);
2742
2743     info_mode = INFO_MODE_MAIN;
2744     DrawInfoScreen();
2745
2746     return;
2747   }
2748   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2749   {
2750     if (button != MB_MENU_INITIALIZE)
2751     {
2752       PlaySound(SND_MENU_ITEM_SELECTING);
2753
2754       page++;
2755     }
2756
2757     if (page >= num_pages)
2758     {
2759       FadeSoundsAndMusic();
2760
2761       info_mode = INFO_MODE_MAIN;
2762       DrawInfoScreen();
2763
2764       return;
2765     }
2766
2767     if (page > 0)
2768       FadeSetNextScreen();
2769
2770     if (button != MB_MENU_INITIALIZE)
2771       FadeOut(REDRAW_FIELD);
2772
2773     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2774
2775     if (button != MB_MENU_INITIALIZE)
2776       FadeIn(REDRAW_FIELD);
2777   }
2778   else
2779   {
2780     if (DelayReached(&info_delay, GameFrameDelay))
2781       if (page < num_pages)
2782         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2783
2784     PlayMenuSoundIfLoop();
2785   }
2786 }
2787
2788 void DrawInfoScreen_Music()
2789 {
2790   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2791
2792   FadeOut(REDRAW_FIELD);
2793
2794   ClearField();
2795   DrawHeadline();
2796
2797   LoadMusicInfo();
2798
2799   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2800
2801   FadeIn(REDRAW_FIELD);
2802 }
2803
2804 void HandleInfoScreen_Music(int button)
2805 {
2806   static struct MusicFileInfo *list = NULL;
2807   int ystart1 = mSY - SY + 100;
2808   int ystart2 = mSY - SY + 150;
2809   int ybottom = mSY - SY + SYSIZE - 20;
2810   int dy = 30;
2811
2812   if (button == MB_MENU_INITIALIZE)
2813   {
2814     list = music_file_info;
2815
2816     if (list == NULL)
2817     {
2818       FadeSoundsAndMusic();
2819
2820       ClearField();
2821       DrawHeadline();
2822
2823       DrawTextSCentered(ystart1, FONT_TEXT_1,
2824                         "No music info for this level set.");
2825
2826       DrawTextSCentered(ybottom, FONT_TEXT_4,
2827                         "Press any key or button for info menu");
2828
2829       return;
2830     }
2831   }
2832
2833   if (button == MB_MENU_LEAVE)
2834   {
2835     PlaySound(SND_MENU_ITEM_SELECTING);
2836
2837     FadeSoundsAndMusic();
2838
2839     info_mode = INFO_MODE_MAIN;
2840     DrawInfoScreen();
2841
2842     return;
2843   }
2844   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2845   {
2846     int y = 0;
2847
2848     if (button != MB_MENU_INITIALIZE)
2849     {
2850       PlaySound(SND_MENU_ITEM_SELECTING);
2851
2852       if (list != NULL)
2853         list = list->next;
2854     }
2855
2856     if (list == NULL)
2857     {
2858       FadeSoundsAndMusic();
2859
2860       info_mode = INFO_MODE_MAIN;
2861       DrawInfoScreen();
2862
2863       return;
2864     }
2865
2866     FadeSoundsAndMusic();
2867
2868     if (list != music_file_info)
2869       FadeSetNextScreen();
2870
2871     if (button != MB_MENU_INITIALIZE)
2872       FadeOut(REDRAW_FIELD);
2873
2874     ClearField();
2875     DrawHeadline();
2876
2877     if (list->is_sound)
2878     {
2879       int sound = list->music;
2880
2881       if (sound_info[sound].loop)
2882         PlaySoundLoop(sound);
2883       else
2884         PlaySound(sound);
2885
2886       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Sounds:");
2887     }
2888     else
2889     {
2890       PlayMusic(list->music);
2891
2892       DrawTextSCentered(ystart1, FONT_TEXT_1, "The Game Background Music:");
2893     }
2894
2895     if (!strEqual(list->title, UNKNOWN_NAME))
2896     {
2897       if (!strEqual(list->title_header, UNKNOWN_NAME))
2898         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->title_header);
2899
2900       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->title);
2901     }
2902
2903     if (!strEqual(list->artist, UNKNOWN_NAME))
2904     {
2905       if (!strEqual(list->artist_header, UNKNOWN_NAME))
2906         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->artist_header);
2907       else
2908         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "by");
2909
2910       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->artist);
2911     }
2912
2913     if (!strEqual(list->album, UNKNOWN_NAME))
2914     {
2915       if (!strEqual(list->album_header, UNKNOWN_NAME))
2916         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->album_header);
2917       else
2918         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the album");
2919
2920       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "\"%s\"", list->album);
2921     }
2922
2923     if (!strEqual(list->year, UNKNOWN_NAME))
2924     {
2925       if (!strEqual(list->year_header, UNKNOWN_NAME))
2926         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, list->year_header);
2927       else
2928         DrawTextSCentered(ystart2 + y++ * dy, FONT_TEXT_2, "from the year");
2929
2930       DrawTextFCentered(ystart2 + y++ * dy, FONT_TEXT_3, "%s", list->year);
2931     }
2932
2933     DrawTextSCentered(ybottom, FONT_TEXT_4,
2934                       "Press any key or button for next page");
2935
2936     if (button != MB_MENU_INITIALIZE)
2937       FadeIn(REDRAW_FIELD);
2938   }
2939
2940   if (list != NULL && list->is_sound && sound_info[list->music].loop)
2941     PlaySoundLoop(list->music);
2942 }
2943
2944 static void DrawInfoScreen_CreditsScreen(int screen_nr)
2945 {
2946   int ystart1 = mSY - SY + 100;
2947   int ystart2 = mSY - SY + 150;
2948   int ybottom = mSY - SY + SYSIZE - 20;
2949   int ystep = 30;
2950
2951   ClearField();
2952   DrawHeadline();
2953
2954   DrawTextSCentered(ystart1, FONT_TEXT_1, "Credits:");
2955
2956   if (screen_nr == 0)
2957   {
2958     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2959                       "Special thanks to");
2960     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2961                       "Peter Liepa");
2962     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2963                       "for creating");
2964     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2965                       "\"Boulder Dash\"");
2966     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2967                       "in the year");
2968     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2969                       "1984");
2970     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2971                       "published by");
2972     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2973                       "First Star Software");
2974   }
2975   else if (screen_nr == 1)
2976   {
2977     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2978                       "Special thanks to");
2979     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2980                       "Klaus Heinz & Volker Wertich");
2981     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
2982                       "for creating");
2983     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
2984                       "\"Emerald Mine\"");
2985     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
2986                       "in the year");
2987     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
2988                       "1987");
2989     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
2990                       "published by");
2991     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
2992                       "Kingsoft");
2993   }
2994   else if (screen_nr == 2)
2995   {
2996     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
2997                       "Special thanks to");
2998     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
2999                       "Michael Stopp & Philip Jespersen");
3000     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3001                       "for creating");
3002     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3003                       "\"Supaplex\"");
3004     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3005                       "in the year");
3006     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3007                       "1991");
3008     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3009                       "published by");
3010     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3011                       "Digital Integration");
3012   }
3013   else if (screen_nr == 3)
3014   {
3015     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3016                       "Special thanks to");
3017     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3018                       "Hiroyuki Imabayashi");
3019     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3020                       "for creating");
3021     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3022                       "\"Sokoban\"");
3023     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3024                       "in the year");
3025     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3026                       "1982");
3027     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3028                       "published by");
3029     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_3,
3030                       "Thinking Rabbit");
3031   }
3032   else if (screen_nr == 4)
3033   {
3034     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3035                       "Special thanks to");
3036     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3037                       "Alan Bond");
3038     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3039                       "and");
3040     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3041                       "J\xfcrgen Bonhagen");
3042     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3043                       "for the continuous creation");
3044     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3045                       "of outstanding level sets");
3046   }
3047   else if (screen_nr == 5)
3048   {
3049     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3050                       "Thanks to");
3051     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3052                       "Peter Elzner");
3053     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3054                       "for ideas and inspiration by");
3055     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3056                       "Diamond Caves");
3057
3058     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_2,
3059                       "Thanks to");
3060     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_3,
3061                       "Steffest");
3062     DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3063                       "for ideas and inspiration by");
3064     DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_3,
3065                       "DX-Boulderdash");
3066   }
3067   else if (screen_nr == 6)
3068   {
3069     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3070                       "Thanks to");
3071     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3072                       "David Tritscher");
3073 #if 1
3074     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3075                       "for the code base used for the");
3076     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_2,
3077                       "native Emerald Mine engine");
3078 #else
3079     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3080                       "for the new Emerald Mine engine");
3081 #endif
3082   }
3083   else if (screen_nr == 7)
3084   {
3085     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3086                       "Thanks to");
3087     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_3,
3088                       "Guido Schulz");
3089     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_2,
3090                       "for the initial DOS port");
3091
3092     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3093                       "Thanks to");
3094     DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3095                       "Karl H\xf6rnell");
3096     DrawTextSCentered(ystart2 + 6 * ystep, FONT_TEXT_2,
3097                       "for some additional toons");
3098   }
3099   else if (screen_nr == 8)
3100   {
3101     DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3102                       "And not to forget:");
3103     DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3104                       "Many thanks to");
3105     DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3106                       "All those who contributed");
3107     DrawTextSCentered(ystart2 + 3 * ystep, FONT_TEXT_3,
3108                       "levels to this game");
3109     DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_3,
3110                       "since 1995");
3111   }
3112
3113   DrawTextSCentered(ybottom, FONT_TEXT_4,
3114                     "Press any key or button for next page");
3115 }
3116
3117 void DrawInfoScreen_Credits()
3118 {
3119   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3120
3121   FadeSoundsAndMusic();
3122
3123   FadeOut(REDRAW_FIELD);
3124
3125   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3126
3127   FadeIn(REDRAW_FIELD);
3128 }
3129
3130 void HandleInfoScreen_Credits(int button)
3131 {
3132   static int screen_nr = 0;
3133   int num_screens = 9;
3134
3135   if (button == MB_MENU_INITIALIZE)
3136   {
3137     screen_nr = 0;
3138
3139     // DrawInfoScreen_CreditsScreen(screen_nr);
3140   }
3141
3142   if (button == MB_MENU_LEAVE)
3143   {
3144     PlaySound(SND_MENU_ITEM_SELECTING);
3145
3146     info_mode = INFO_MODE_MAIN;
3147     DrawInfoScreen();
3148
3149     return;
3150   }
3151   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3152   {
3153     if (button != MB_MENU_INITIALIZE)
3154     {
3155       PlaySound(SND_MENU_ITEM_SELECTING);
3156
3157       screen_nr++;
3158     }
3159
3160     if (screen_nr >= num_screens)
3161     {
3162       FadeSoundsAndMusic();
3163
3164       info_mode = INFO_MODE_MAIN;
3165       DrawInfoScreen();
3166
3167       return;
3168     }
3169
3170     if (screen_nr > 0)
3171       FadeSetNextScreen();
3172
3173     if (button != MB_MENU_INITIALIZE)
3174       FadeOut(REDRAW_FIELD);
3175
3176     DrawInfoScreen_CreditsScreen(screen_nr);
3177
3178     if (button != MB_MENU_INITIALIZE)
3179       FadeIn(REDRAW_FIELD);
3180   }
3181   else
3182   {
3183     PlayMenuSoundIfLoop();
3184   }
3185 }
3186
3187 void DrawInfoScreen_Program()
3188 {
3189   int ystart1 = mSY - SY + 100;
3190   int ystart2 = mSY - SY + 150;
3191   int ybottom = mSY - SY + SYSIZE - 20;
3192   int ystep = 30;
3193
3194   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3195
3196   FadeOut(REDRAW_FIELD);
3197
3198   ClearField();
3199   DrawHeadline();
3200
3201   DrawTextSCentered(ystart1, FONT_TEXT_1, "Program Information:");
3202
3203   DrawTextSCentered(ystart2 + 0 * ystep, FONT_TEXT_2,
3204                     "This game is Freeware!");
3205   DrawTextSCentered(ystart2 + 1 * ystep, FONT_TEXT_2,
3206                     "If you like it, send e-mail to:");
3207   DrawTextSCentered(ystart2 + 2 * ystep, FONT_TEXT_3,
3208                     setup.internal.program_email);
3209   DrawTextSCentered(ystart2 + 4 * ystep, FONT_TEXT_2,
3210                     "More information and levels:");
3211   DrawTextSCentered(ystart2 + 5 * ystep, FONT_TEXT_3,
3212                     setup.internal.program_website);
3213   DrawTextSCentered(ystart2 + 7 * ystep, FONT_TEXT_2,
3214                     "If you have created new levels,");
3215   DrawTextSCentered(ystart2 + 8 * ystep, FONT_TEXT_2,
3216                     "send them to me to include them!");
3217   DrawTextSCentered(ystart2 + 9 * ystep, FONT_TEXT_2,
3218                     ":-)");
3219
3220   DrawTextSCentered(ybottom, FONT_TEXT_4,
3221                     "Press any key or button for info menu");
3222
3223   FadeIn(REDRAW_FIELD);
3224 }
3225
3226 void HandleInfoScreen_Program(int button)
3227 {
3228   if (button == MB_MENU_LEAVE)
3229   {
3230     PlaySound(SND_MENU_ITEM_SELECTING);
3231
3232     info_mode = INFO_MODE_MAIN;
3233     DrawInfoScreen();
3234
3235     return;
3236   }
3237   else if (button == MB_MENU_CHOICE)
3238   {
3239     PlaySound(SND_MENU_ITEM_SELECTING);
3240
3241     FadeSoundsAndMusic();
3242
3243     info_mode = INFO_MODE_MAIN;
3244     DrawInfoScreen();
3245   }
3246   else
3247   {
3248     PlayMenuSoundIfLoop();
3249   }
3250 }
3251
3252 void DrawInfoScreen_Version()
3253 {
3254   int font_header = FONT_TEXT_3;
3255   int font_text = FONT_TEXT_2;
3256   int xstep = getFontWidth(font_text);
3257   int ystep = getFontHeight(font_text);
3258   int ystart1 = mSY - SY + 100;
3259   int ystart2 = mSY - SY + 150;
3260   int ybottom = mSY - SY + SYSIZE - 20;
3261   int xstart1 = mSX - SX + 2 * xstep;
3262   int xstart2 = mSX - SX + 18 * xstep;
3263   int xstart3 = mSX - SX + 28 * xstep;
3264   SDL_version sdl_version_compiled;
3265   const SDL_version *sdl_version_linked;
3266   int driver_name_len = 10;
3267 #if defined(TARGET_SDL2)
3268   SDL_version sdl_version_linked_ext;
3269   const char *driver_name = NULL;
3270 #else
3271   char driver_name[driver_name_len];
3272 #endif
3273
3274   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3275
3276   FadeOut(REDRAW_FIELD);
3277
3278   ClearField();
3279   DrawHeadline();
3280
3281   DrawTextSCentered(ystart1, FONT_TEXT_1, "Version Information:");
3282
3283   DrawTextF(xstart1, ystart2, font_header, "Name");
3284   DrawTextF(xstart2, ystart2, font_text, getProgramTitleString());
3285
3286   ystart2 += ystep;
3287   DrawTextF(xstart1, ystart2, font_header, "Version");
3288   DrawTextF(xstart2, ystart2, font_text, getProgramVersionString());
3289
3290   ystart2 += ystep;
3291   DrawTextF(xstart1, ystart2, font_header, "Platform");
3292   DrawTextF(xstart2, ystart2, font_text, PLATFORM_STRING);
3293
3294   ystart2 += ystep;
3295   DrawTextF(xstart1, ystart2, font_header, "Target");
3296   DrawTextF(xstart2, ystart2, font_text, TARGET_STRING);
3297
3298   ystart2 += ystep;
3299   DrawTextF(xstart1, ystart2, font_header, "Compile time");
3300   DrawTextF(xstart2, ystart2, font_text, getCompileDateString());
3301
3302   ystart2 += 3 * ystep;
3303   DrawTextF(xstart1, ystart2, font_header, "Library");
3304   DrawTextF(xstart2, ystart2, font_header, "compiled");
3305   DrawTextF(xstart3, ystart2, font_header, "linked");
3306
3307   SDL_VERSION(&sdl_version_compiled);
3308 #if defined(TARGET_SDL2)
3309   SDL_GetVersion(&sdl_version_linked_ext);
3310   sdl_version_linked = &sdl_version_linked_ext;
3311 #else
3312   sdl_version_linked = SDL_Linked_Version();
3313 #endif
3314
3315   ystart2 += 2 * ystep;
3316   DrawTextF(xstart1, ystart2, font_text, "SDL");
3317   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3318             sdl_version_compiled.major,
3319             sdl_version_compiled.minor,
3320             sdl_version_compiled.patch);
3321   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3322             sdl_version_linked->major,
3323             sdl_version_linked->minor,
3324             sdl_version_linked->patch);
3325
3326   SDL_IMAGE_VERSION(&sdl_version_compiled);
3327   sdl_version_linked = IMG_Linked_Version();
3328
3329   ystart2 += ystep;
3330   DrawTextF(xstart1, ystart2, font_text, "SDL_image");
3331   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3332             sdl_version_compiled.major,
3333             sdl_version_compiled.minor,
3334             sdl_version_compiled.patch);
3335   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3336             sdl_version_linked->major,
3337             sdl_version_linked->minor,
3338             sdl_version_linked->patch);
3339
3340   SDL_MIXER_VERSION(&sdl_version_compiled);
3341   sdl_version_linked = Mix_Linked_Version();
3342
3343   ystart2 += ystep;
3344   DrawTextF(xstart1, ystart2, font_text, "SDL_mixer");
3345   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3346             sdl_version_compiled.major,
3347             sdl_version_compiled.minor,
3348             sdl_version_compiled.patch);
3349   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3350             sdl_version_linked->major,
3351             sdl_version_linked->minor,
3352             sdl_version_linked->patch);
3353
3354   SDL_NET_VERSION(&sdl_version_compiled);
3355   sdl_version_linked = SDLNet_Linked_Version();
3356
3357   ystart2 += ystep;
3358   DrawTextF(xstart1, ystart2, font_text, "SDL_net");
3359   DrawTextF(xstart2, ystart2, font_text, "%d.%d.%d",
3360             sdl_version_compiled.major,
3361             sdl_version_compiled.minor,
3362             sdl_version_compiled.patch);
3363   DrawTextF(xstart3, ystart2, font_text, "%d.%d.%d",
3364             sdl_version_linked->major,
3365             sdl_version_linked->minor,
3366             sdl_version_linked->patch);
3367
3368   ystart2 += 3 * ystep;
3369   DrawTextF(xstart1, ystart2, font_header, "Driver");
3370   DrawTextF(xstart2, ystart2, font_header, "Requested");
3371   DrawTextF(xstart3, ystart2, font_header, "Used");
3372
3373 #if defined(TARGET_SDL2)
3374   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3375 #else
3376   SDL_VideoDriverName(driver_name, driver_name_len);
3377 #endif
3378
3379   ystart2 += 2 * ystep;
3380   DrawTextF(xstart1, ystart2, font_text, "SDL_VideoDriver");
3381   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_videodriver);
3382   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3383
3384 #if defined(TARGET_SDL2)
3385   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3386 #else
3387   SDL_AudioDriverName(driver_name, driver_name_len);
3388 #endif
3389
3390   ystart2 += ystep;
3391   DrawTextF(xstart1, ystart2, font_text, "SDL_AudioDriver");
3392   DrawTextF(xstart2, ystart2, font_text, "%s", setup.system.sdl_audiodriver);
3393   DrawTextF(xstart3, ystart2, font_text, "%s", driver_name);
3394
3395   DrawTextSCentered(ybottom, FONT_TEXT_4,
3396                     "Press any key or button for info menu");
3397
3398   FadeIn(REDRAW_FIELD);
3399 }
3400
3401 void HandleInfoScreen_Version(int button)
3402 {
3403   if (button == MB_MENU_LEAVE)
3404   {
3405     PlaySound(SND_MENU_ITEM_SELECTING);
3406
3407     info_mode = INFO_MODE_MAIN;
3408     DrawInfoScreen();
3409
3410     return;
3411   }
3412   else if (button == MB_MENU_CHOICE)
3413   {
3414     PlaySound(SND_MENU_ITEM_SELECTING);
3415
3416     FadeSoundsAndMusic();
3417
3418     info_mode = INFO_MODE_MAIN;
3419     DrawInfoScreen();
3420   }
3421   else
3422   {
3423     PlayMenuSoundIfLoop();
3424   }
3425 }
3426
3427 void DrawInfoScreen_LevelSet()
3428 {
3429   struct TitleMessageInfo *tmi = &readme;
3430   char *filename = getLevelSetInfoFilename();
3431   char *title = "Level Set Information:";
3432   int ystart1 = mSY - SY + 100;
3433   int ybottom = mSY - SY + SYSIZE - 20;
3434
3435   if (filename == NULL)
3436   {
3437     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3438
3439     return;
3440   }
3441
3442   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3443
3444   FadeOut(REDRAW_FIELD);
3445
3446   ClearField();
3447   DrawHeadline();
3448
3449   DrawTextSCentered(ystart1, FONT_TEXT_1, title);
3450
3451   /* if x position set to "-1", automatically determine by playfield width */
3452   if (tmi->x == -1)
3453     tmi->x = SXSIZE / 2;
3454
3455   /* if y position set to "-1", use static default value */
3456   if (tmi->y == -1)
3457     tmi->y = 150;
3458
3459   /* if width set to "-1", automatically determine by playfield width */
3460   if (tmi->width == -1)
3461     tmi->width = SXSIZE - 2 * TILEX;
3462
3463   /* if height set to "-1", automatically determine by playfield height */
3464   if (tmi->height == -1)
3465     tmi->height = SYSIZE - 20 - tmi->y - 10;
3466
3467   /* if chars set to "-1", automatically determine by text and font width */
3468   if (tmi->chars == -1)
3469     tmi->chars = tmi->width / getFontWidth(tmi->font);
3470   else
3471     tmi->width = tmi->chars * getFontWidth(tmi->font);
3472
3473   /* if lines set to "-1", automatically determine by text and font height */
3474   if (tmi->lines == -1)
3475     tmi->lines = tmi->height / getFontHeight(tmi->font);
3476   else
3477     tmi->height = tmi->lines * getFontHeight(tmi->font);
3478
3479   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3480                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3481                tmi->autowrap, tmi->centered, tmi->parse_comments);
3482
3483   DrawTextSCentered(ybottom, FONT_TEXT_4,
3484                     "Press any key or button for info menu");
3485
3486   FadeIn(REDRAW_FIELD);
3487 }
3488
3489 void HandleInfoScreen_LevelSet(int button)
3490 {
3491   if (button == MB_MENU_LEAVE)
3492   {
3493     PlaySound(SND_MENU_ITEM_SELECTING);
3494
3495     info_mode = INFO_MODE_MAIN;
3496     DrawInfoScreen();
3497
3498     return;
3499   }
3500   else if (button == MB_MENU_CHOICE)
3501   {
3502     PlaySound(SND_MENU_ITEM_SELECTING);
3503
3504     FadeSoundsAndMusic();
3505
3506     info_mode = INFO_MODE_MAIN;
3507     DrawInfoScreen();
3508   }
3509   else
3510   {
3511     PlayMenuSoundIfLoop();
3512   }
3513 }
3514
3515 static void DrawInfoScreen()
3516 {
3517   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
3518
3519   if (info_mode == INFO_MODE_TITLE)
3520     DrawInfoScreen_TitleScreen();
3521   else if (info_mode == INFO_MODE_ELEMENTS)
3522     DrawInfoScreen_Elements();
3523   else if (info_mode == INFO_MODE_MUSIC)
3524     DrawInfoScreen_Music();
3525   else if (info_mode == INFO_MODE_CREDITS)
3526     DrawInfoScreen_Credits();
3527   else if (info_mode == INFO_MODE_PROGRAM)
3528     DrawInfoScreen_Program();
3529   else if (info_mode == INFO_MODE_VERSION)
3530     DrawInfoScreen_Version();
3531   else if (info_mode == INFO_MODE_LEVELSET)
3532     DrawInfoScreen_LevelSet();
3533   else
3534     DrawInfoScreen_Main();
3535
3536   if (info_mode != INFO_MODE_MAIN &&
3537       info_mode != INFO_MODE_TITLE &&
3538       info_mode != INFO_MODE_MUSIC)
3539   {
3540     PlayMenuSound();
3541     PlayMenuMusic();
3542   }
3543 }
3544
3545 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3546 {
3547   if (info_mode == INFO_MODE_TITLE)
3548     HandleInfoScreen_TitleScreen(button);
3549   else if (info_mode == INFO_MODE_ELEMENTS)
3550     HandleInfoScreen_Elements(button);
3551   else if (info_mode == INFO_MODE_MUSIC)
3552     HandleInfoScreen_Music(button);
3553   else if (info_mode == INFO_MODE_CREDITS)
3554     HandleInfoScreen_Credits(button);
3555   else if (info_mode == INFO_MODE_PROGRAM)
3556     HandleInfoScreen_Program(button);
3557   else if (info_mode == INFO_MODE_VERSION)
3558     HandleInfoScreen_Version(button);
3559   else if (info_mode == INFO_MODE_LEVELSET)
3560     HandleInfoScreen_LevelSet(button);
3561   else
3562     HandleInfoScreen_Main(mx, my, dx, dy, button);
3563 }
3564
3565
3566 /* ========================================================================= */
3567 /* type name functions                                                       */
3568 /* ========================================================================= */
3569
3570 void HandleTypeName(int newxpos, Key key)
3571 {
3572   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3573   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3574   struct TextPosInfo *pos = mci->pos_input;
3575   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3576   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3577   static int xpos = 0;
3578   int font_nr = pos->font;
3579   int font_active_nr = FONT_ACTIVE(font_nr);
3580   int font_width = getFontWidth(font_active_nr);
3581   char key_char = getValidConfigValueChar(getCharFromKey(key));
3582   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3583   boolean is_active = TRUE;
3584
3585   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3586
3587   if (newxpos)
3588   {
3589     strcpy(last_player_name, setup.player_name);
3590
3591     xpos = newxpos;
3592
3593 #if defined(TARGET_SDL2)
3594     SDL_StartTextInput();
3595 #endif
3596   }
3597   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3598   {
3599     setup.player_name[xpos] = key_char;
3600     setup.player_name[xpos + 1] = 0;
3601
3602     xpos++;
3603   }
3604   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3605   {
3606     xpos--;
3607
3608     setup.player_name[xpos] = 0;
3609   }
3610   else if (key == KSYM_Return && xpos > 0)
3611   {
3612     SaveSetup();
3613
3614     is_active = FALSE;
3615
3616     SetGameStatus(GAME_MODE_MAIN);
3617   }
3618   else if (key == KSYM_Escape)
3619   {
3620     strcpy(setup.player_name, last_player_name);
3621
3622     is_active = FALSE;
3623
3624     SetGameStatus(GAME_MODE_MAIN);
3625   }
3626
3627   if (is_active)
3628   {
3629     pos->width = (strlen(setup.player_name) + 1) * font_width;
3630     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3631
3632     DrawText(startx, starty, setup.player_name, font_active_nr);
3633     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3634   }
3635   else
3636   {
3637     pos->width = strlen(setup.player_name) * font_width;
3638     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3639
3640     DrawText(startx, starty, setup.player_name, font_nr);
3641
3642 #if defined(TARGET_SDL2)
3643     SDL_StopTextInput();
3644 #endif
3645   }
3646 }
3647
3648
3649 /* ========================================================================= */
3650 /* tree menu functions                                                       */
3651 /* ========================================================================= */
3652
3653 static void DrawChooseTree(TreeInfo **ti_ptr)
3654 {
3655   int fade_mask = REDRAW_FIELD;
3656
3657   if (CheckIfGlobalBorderHasChanged())
3658     fade_mask = REDRAW_ALL;
3659
3660   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3661   {
3662     SetGameStatus(GAME_MODE_MAIN);
3663
3664     DrawMainMenu();
3665
3666     return;
3667   }
3668
3669   UnmapAllGadgets();
3670
3671   FreeScreenGadgets();
3672   CreateScreenGadgets();
3673
3674   FadeOut(fade_mask);
3675
3676   ClearField();
3677
3678   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3679
3680   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3681   MapScreenTreeGadgets(*ti_ptr);
3682
3683   DrawMaskedBorder(fade_mask);
3684
3685   FadeIn(fade_mask);
3686
3687   InitAnimation();
3688 }
3689
3690 static void drawChooseTreeList(int first_entry, int num_page_entries,
3691                                TreeInfo *ti)
3692 {
3693   int i;
3694   char *title_string = NULL;
3695   int yoffset_sets = MENU_TITLE1_YPOS;
3696   int yoffset_setup = 16;
3697   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3698                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3699   int last_game_status = game_status;   /* save current game status */
3700
3701   title_string = ti->infotext;
3702
3703   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3704
3705   clearMenuListArea();
3706
3707   for (i = 0; i < num_page_entries; i++)
3708   {
3709     TreeInfo *node, *node_first;
3710     int entry_pos = first_entry + i;
3711     int xpos = MENU_SCREEN_START_XPOS;
3712     int ypos = MENU_SCREEN_START_YPOS + i;
3713     int startx = mSX + xpos * 32;
3714     int starty = mSY + ypos * 32;
3715     int font_nr = FONT_TEXT_1;
3716     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3717     int startx_text = startx + font_xoffset;
3718     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3719     int text_size = startx_scrollbar - startx_text;
3720     int max_buffer_len = text_size / getFontWidth(font_nr);
3721     char buffer[max_buffer_len + 1];
3722
3723     node_first = getTreeInfoFirstGroupEntry(ti);
3724     node = getTreeInfoFromPos(node_first, entry_pos);
3725
3726     strncpy(buffer, node->name, max_buffer_len);
3727     buffer[max_buffer_len] = '\0';
3728
3729     DrawText(startx, starty, buffer, font_nr + node->color);
3730
3731     if (node->parent_link)
3732       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3733     else if (node->level_group)
3734       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3735     else
3736       initCursor(i, IMG_MENU_BUTTON);
3737   }
3738
3739   SetGameStatus(last_game_status);      /* restore current game status */
3740
3741   redraw_mask |= REDRAW_FIELD;
3742 }
3743
3744 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3745 {
3746   TreeInfo *node, *node_first;
3747   int x, last_redraw_mask = redraw_mask;
3748   int ypos = MENU_TITLE2_YPOS;
3749   int font_nr = FONT_TITLE_2;
3750
3751   if (ti->type == TREE_TYPE_LEVEL_NR)
3752     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3753
3754   if (ti->type != TREE_TYPE_LEVEL_DIR)
3755     return;
3756
3757   node_first = getTreeInfoFirstGroupEntry(ti);
3758   node = getTreeInfoFromPos(node_first, entry_pos);
3759
3760   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3761
3762   if (node->parent_link)
3763     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3764                       node->node_parent->name);
3765   else if (node->level_group)
3766     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3767                       node->name);
3768   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3769     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3770                       node->levels, (node->levels > 1 ? "levels" : "level"),
3771                       node->class_desc);
3772
3773   /* let BackToFront() redraw only what is needed */
3774   redraw_mask = last_redraw_mask;
3775   for (x = 0; x < SCR_FIELDX; x++)
3776     MarkTileDirty(x, 1);
3777 }
3778
3779 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
3780                              TreeInfo **ti_ptr)
3781 {
3782   TreeInfo *ti = *ti_ptr;
3783   int x = 0;
3784   int y = ti->cl_cursor;
3785   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
3786   int num_entries = numTreeInfoInGroup(ti);
3787   int num_page_entries;
3788   int last_game_status = game_status;   /* save current game status */
3789   boolean position_set_by_scrollbar = (dx == 999);
3790
3791   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
3792     num_page_entries = num_entries;
3793   else
3794     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
3795
3796   SetGameStatus(last_game_status);      /* restore current game status */
3797
3798   if (button == MB_MENU_INITIALIZE)
3799   {
3800     int num_entries = numTreeInfoInGroup(ti);
3801     int entry_pos = posTreeInfo(ti);
3802
3803     if (ti->cl_first == -1)
3804     {
3805       /* only on initialization */
3806       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3807       ti->cl_cursor = entry_pos - ti->cl_first;
3808     }
3809     else if (ti->cl_cursor >= num_page_entries ||
3810              (num_entries > num_page_entries &&
3811               num_entries - ti->cl_first < num_page_entries))
3812     {
3813       /* only after change of list size (by custom graphic configuration) */
3814       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
3815       ti->cl_cursor = entry_pos - ti->cl_first;
3816     }
3817
3818     if (position_set_by_scrollbar)
3819       ti->cl_first = dy;
3820     else
3821       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3822                                 ti->cl_first, ti);
3823
3824     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3825     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3826     drawChooseTreeCursor(ti->cl_cursor, TRUE);
3827
3828     return;
3829   }
3830   else if (button == MB_MENU_LEAVE)
3831   {
3832     FadeSetLeaveMenu();
3833
3834     PlaySound(SND_MENU_ITEM_SELECTING);
3835
3836     if (ti->node_parent)
3837     {
3838       *ti_ptr = ti->node_parent;
3839       DrawChooseTree(ti_ptr);
3840     }
3841     else if (game_status == GAME_MODE_SETUP)
3842     {
3843       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
3844           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
3845           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
3846         execSetupGame();
3847       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
3848                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
3849                setup_mode == SETUP_MODE_CHOOSE_RENDERING)
3850         execSetupGraphics();
3851       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
3852                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
3853                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
3854         execSetupSound();
3855       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
3856                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
3857                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
3858         execSetupTouch();
3859       else
3860         execSetupArtwork();
3861     }
3862     else
3863     {
3864       if (game_status == GAME_MODE_LEVELNR)
3865       {
3866         int new_level_nr = atoi(level_number_current->identifier);
3867
3868         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
3869       }
3870
3871       SetGameStatus(GAME_MODE_MAIN);
3872
3873       DrawMainMenu();
3874     }
3875
3876     return;
3877   }
3878
3879   if (mx || my)         /* mouse input */
3880   {
3881     int last_game_status = game_status; /* save current game status */
3882
3883     x = (mx - mSX) / 32;
3884     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
3885
3886     SetGameStatus(last_game_status);    /* restore current game status */
3887   }
3888   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
3889   {
3890     /* move cursor instead of scrolling when already at start/end of list */
3891     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
3892       dy = -1;
3893     else if (dy == +1 * SCROLL_LINE &&
3894              ti->cl_first + num_page_entries == num_entries)
3895       dy = 1;
3896
3897     /* handle scrolling screen one line or page */
3898     if (ti->cl_cursor + dy < 0 ||
3899         ti->cl_cursor + dy > num_page_entries - 1)
3900     {
3901       boolean redraw = FALSE;
3902
3903       if (ABS(dy) == SCROLL_PAGE)
3904         step = num_page_entries - 1;
3905
3906       if (dy < 0 && ti->cl_first > 0)
3907       {
3908         /* scroll page/line up */
3909
3910         ti->cl_first -= step;
3911         if (ti->cl_first < 0)
3912           ti->cl_first = 0;
3913
3914         redraw = TRUE;
3915       }
3916       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
3917       {
3918         /* scroll page/line down */
3919
3920         ti->cl_first += step;
3921         if (ti->cl_first + num_page_entries > num_entries)
3922           ti->cl_first = MAX(0, num_entries - num_page_entries);
3923
3924         redraw = TRUE;
3925       }
3926
3927       if (redraw)
3928       {
3929         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
3930         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
3931         drawChooseTreeCursor(ti->cl_cursor, TRUE);
3932
3933         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
3934                                   ti->cl_first, ti);
3935       }
3936
3937       return;
3938     }
3939
3940     /* handle moving cursor one line */
3941     y = ti->cl_cursor + dy;
3942   }
3943
3944   if (dx == 1)
3945   {
3946     TreeInfo *node_first, *node_cursor;
3947     int entry_pos = ti->cl_first + y;
3948
3949     node_first = getTreeInfoFirstGroupEntry(ti);
3950     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
3951
3952     if (node_cursor->node_group)
3953     {
3954       FadeSetEnterMenu();
3955
3956       PlaySound(SND_MENU_ITEM_SELECTING);
3957
3958       node_cursor->cl_first = ti->cl_first;
3959       node_cursor->cl_cursor = ti->cl_cursor;
3960       *ti_ptr = node_cursor->node_group;
3961       DrawChooseTree(ti_ptr);
3962
3963       return;
3964     }
3965   }
3966   else if (dx == -1 && ti->node_parent)
3967   {
3968     FadeSetLeaveMenu();
3969
3970     PlaySound(SND_MENU_ITEM_SELECTING);
3971
3972     *ti_ptr = ti->node_parent;
3973     DrawChooseTree(ti_ptr);
3974
3975     return;
3976   }
3977
3978   if (!anyScrollbarGadgetActive() &&
3979       IN_VIS_MENU(x, y) &&
3980       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
3981       y >= 0 && y < num_page_entries)
3982   {
3983     if (button)
3984     {
3985       if (y != ti->cl_cursor)
3986       {
3987         PlaySound(SND_MENU_ITEM_ACTIVATING);
3988
3989         drawChooseTreeCursor(ti->cl_cursor, FALSE);
3990         drawChooseTreeCursor(y, TRUE);
3991         drawChooseTreeInfo(ti->cl_first + y, ti);
3992
3993         ti->cl_cursor = y;
3994       }
3995     }
3996     else
3997     {
3998       TreeInfo *node_first, *node_cursor;
3999       int entry_pos = ti->cl_first + y;
4000
4001       PlaySound(SND_MENU_ITEM_SELECTING);
4002
4003       node_first = getTreeInfoFirstGroupEntry(ti);
4004       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4005
4006       if (node_cursor->node_group)
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->node_group;
4013         DrawChooseTree(ti_ptr);
4014       }
4015       else if (node_cursor->parent_link)
4016       {
4017         FadeSetLeaveMenu();
4018
4019         *ti_ptr = node_cursor->node_parent;
4020         DrawChooseTree(ti_ptr);
4021       }
4022       else
4023       {
4024         FadeSetEnterMenu();
4025
4026         node_cursor->cl_first = ti->cl_first;
4027         node_cursor->cl_cursor = ti->cl_cursor;
4028         *ti_ptr = node_cursor;
4029
4030         if (ti->type == TREE_TYPE_LEVEL_DIR)
4031         {
4032           LoadLevelSetup_SeriesInfo();
4033
4034           SaveLevelSetup_LastSeries();
4035           SaveLevelSetup_SeriesInfo();
4036           TapeErase();
4037         }
4038
4039         if (game_status == GAME_MODE_SETUP)
4040         {
4041           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4042               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4043               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4044             execSetupGame();
4045           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4046                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4047                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4048             execSetupGraphics();
4049           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4050                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4051                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4052             execSetupSound();
4053           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4054                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4055                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4056             execSetupTouch();
4057           else
4058             execSetupArtwork();
4059         }
4060         else
4061         {
4062           if (game_status == GAME_MODE_LEVELNR)
4063           {
4064             int new_level_nr = atoi(level_number_current->identifier);
4065
4066             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4067           }
4068
4069           SetGameStatus(GAME_MODE_MAIN);
4070
4071           DrawMainMenu();
4072         }
4073       }
4074     }
4075   }
4076 }
4077
4078 void DrawChooseLevelSet()
4079 {
4080   SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4081
4082   DrawChooseTree(&leveldir_current);
4083
4084   PlayMenuSound();
4085   PlayMenuMusic();
4086 }
4087
4088 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4089 {
4090   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4091 }
4092
4093 void DrawChooseLevelNr()
4094 {
4095   int i;
4096
4097   if (level_number != NULL)
4098   {
4099     freeTreeInfo(level_number);
4100
4101     level_number = NULL;
4102   }
4103
4104   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4105   {
4106     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4107     char identifier[32], name[32];
4108     int value = i;
4109
4110     /* temporarily load level info to get level name */
4111     LoadLevelInfoOnly(i);
4112
4113     ti->node_top = &level_number;
4114     ti->sort_priority = 10000 + value;
4115     ti->color = (level.no_valid_file ? FC_BLUE :
4116                  LevelStats_getSolved(i) ? FC_GREEN :
4117                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4118
4119     sprintf(identifier, "%d", value);
4120     sprintf(name, "%03d: %s", value,
4121             (level.no_valid_file ? "(no file)" : level.name));
4122
4123     setString(&ti->identifier, identifier);
4124     setString(&ti->name, name);
4125     setString(&ti->name_sorting, name);
4126
4127     pushTreeInfo(&level_number, ti);
4128   }
4129
4130   /* sort level number values to start with lowest level number */
4131   sortTreeInfo(&level_number);
4132
4133   /* set current level number to current level number */
4134   level_number_current =
4135     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4136
4137   /* if that also fails, set current level number to first available level */
4138   if (level_number_current == NULL)
4139     level_number_current = level_number;
4140
4141   SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4142
4143   DrawChooseTree(&level_number_current);
4144
4145   PlayMenuSound();
4146   PlayMenuMusic();
4147 }
4148
4149 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4150 {
4151   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4152 }
4153
4154 void DrawHallOfFame(int highlight_position)
4155 {
4156   int fade_mask = REDRAW_FIELD;
4157
4158   /* needed if different viewport properties defined for scores */
4159   ChangeViewportPropertiesIfNeeded();
4160
4161   if (CheckIfGlobalBorderHasChanged())
4162     fade_mask = REDRAW_ALL;
4163
4164   UnmapAllGadgets();
4165   FadeSoundsAndMusic();
4166
4167   /* (this is needed when called from GameEnd() after winning a game) */
4168   KeyboardAutoRepeatOn();
4169   ActivateJoystick();
4170
4171   /* (this is needed when called from GameEnd() after winning a game) */
4172   SetDrawDeactivationMask(REDRAW_NONE);
4173   SetDrawBackgroundMask(REDRAW_FIELD);
4174
4175   if (highlight_position < 0)
4176     LoadScore(level_nr);
4177
4178   FadeSetEnterScreen();
4179
4180   FadeOut(fade_mask);
4181
4182   InitAnimation();
4183
4184   PlayMenuSound();
4185   PlayMenuMusic();
4186
4187   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4188
4189   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4190
4191   DrawMaskedBorder(fade_mask);
4192
4193   FadeIn(fade_mask);
4194 }
4195
4196 static void drawHallOfFameList(int first_entry, int highlight_position)
4197 {
4198   int i, j;
4199
4200   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4201   ClearField();
4202
4203   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4204   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4205                     "HighScores of Level %d", level_nr);
4206
4207   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4208   {
4209     int entry = first_entry + i;
4210     boolean active = (entry == highlight_position);
4211     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4212     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4213     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4214     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4215     int dx1 = 3 * getFontWidth(font_nr1);
4216     int dx2 = dx1 + getFontWidth(font_nr1);
4217     int dx3 = SXSIZE - 2 * (mSX - SX) - 5 * getFontWidth(font_nr4);
4218     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4219     int sy = mSY + 64 + i * 32;
4220
4221     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4222     DrawText(mSX + dx1, sy, ".", font_nr1);
4223
4224     for (j = 0; j < num_dots; j++)
4225       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4226
4227     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4228       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4229
4230     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4231   }
4232
4233   redraw_mask |= REDRAW_FIELD;
4234 }
4235
4236 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4237 {
4238   static int first_entry = 0;
4239   static int highlight_position = 0;
4240   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4241
4242   if (button == MB_MENU_INITIALIZE)
4243   {
4244     first_entry = 0;
4245     highlight_position = mx;
4246     drawHallOfFameList(first_entry, highlight_position);
4247
4248     return;
4249   }
4250
4251   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4252     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4253
4254   if (dy < 0)
4255   {
4256     if (first_entry > 0)
4257     {
4258       first_entry -= step;
4259       if (first_entry < 0)
4260         first_entry = 0;
4261
4262       drawHallOfFameList(first_entry, highlight_position);
4263     }
4264   }
4265   else if (dy > 0)
4266   {
4267     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4268     {
4269       first_entry += step;
4270       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4271         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4272
4273       drawHallOfFameList(first_entry, highlight_position);
4274     }
4275   }
4276   else if (button == MB_MENU_LEAVE)
4277   {
4278     PlaySound(SND_MENU_ITEM_SELECTING);
4279
4280     FadeSound(SND_BACKGROUND_SCORES);
4281
4282     SetGameStatus(GAME_MODE_MAIN);
4283
4284     DrawMainMenu();
4285   }
4286   else if (button == MB_MENU_CHOICE)
4287   {
4288     PlaySound(SND_MENU_ITEM_SELECTING);
4289
4290     FadeSound(SND_BACKGROUND_SCORES);
4291
4292     SetGameStatus(GAME_MODE_MAIN);
4293
4294     DrawMainMenu();
4295   }
4296
4297   if (game_status == GAME_MODE_SCORES)
4298     PlayMenuSoundIfLoop();
4299 }
4300
4301
4302 /* ========================================================================= */
4303 /* setup screen functions                                                    */
4304 /* ========================================================================= */
4305
4306 static struct TokenInfo *setup_info;
4307 static int num_setup_info;      /* number of setup entries shown on screen */
4308 static int max_setup_info;      /* total number of setup entries in list */
4309
4310 static char *window_size_text;
4311 static char *scaling_type_text;
4312 static char *rendering_mode_text;
4313 static char *scroll_delay_text;
4314 static char *snapshot_mode_text;
4315 static char *game_speed_text;
4316 static char *graphics_set_name;
4317 static char *sounds_set_name;
4318 static char *music_set_name;
4319 static char *volume_simple_text;
4320 static char *volume_loops_text;
4321 static char *volume_music_text;
4322 static char *touch_controls_text;
4323 static char *move_distance_text;
4324 static char *drop_distance_text;
4325
4326 static void execSetupMain()
4327 {
4328   setup_mode = SETUP_MODE_MAIN;
4329
4330   DrawSetupScreen();
4331 }
4332
4333 static void execSetupGame_setGameSpeeds()
4334 {
4335   if (game_speeds == NULL)
4336   {
4337     int i;
4338
4339     for (i = 0; game_speeds_list[i].value != -1; i++)
4340     {
4341       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4342       char identifier[32], name[32];
4343       int value = game_speeds_list[i].value;
4344       char *text = game_speeds_list[i].text;
4345
4346       ti->node_top = &game_speeds;
4347       ti->sort_priority = 10000 - value;
4348
4349       sprintf(identifier, "%d", value);
4350       sprintf(name, "%s", text);
4351
4352       setString(&ti->identifier, identifier);
4353       setString(&ti->name, name);
4354       setString(&ti->name_sorting, name);
4355       setString(&ti->infotext, "Game Speed");
4356
4357       pushTreeInfo(&game_speeds, ti);
4358     }
4359
4360     /* sort game speed values to start with slowest game speed */
4361     sortTreeInfo(&game_speeds);
4362
4363     /* set current game speed to configured game speed value */
4364     game_speed_current =
4365       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4366
4367     /* if that fails, set current game speed to reliable default value */
4368     if (game_speed_current == NULL)
4369       game_speed_current =
4370         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4371
4372     /* if that also fails, set current game speed to first available speed */
4373     if (game_speed_current == NULL)
4374       game_speed_current = game_speeds;
4375   }
4376
4377   setup.game_frame_delay = atoi(game_speed_current->identifier);
4378
4379   /* needed for displaying game speed text instead of identifier */
4380   game_speed_text = game_speed_current->name;
4381 }
4382
4383 static void execSetupGame_setScrollDelays()
4384 {
4385   if (scroll_delays == NULL)
4386   {
4387     int i;
4388
4389     for (i = 0; scroll_delays_list[i].value != -1; i++)
4390     {
4391       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4392       char identifier[32], name[32];
4393       int value = scroll_delays_list[i].value;
4394       char *text = scroll_delays_list[i].text;
4395
4396       ti->node_top = &scroll_delays;
4397       ti->sort_priority = value;
4398
4399       sprintf(identifier, "%d", value);
4400       sprintf(name, "%s", text);
4401
4402       setString(&ti->identifier, identifier);
4403       setString(&ti->name, name);
4404       setString(&ti->name_sorting, name);
4405       setString(&ti->infotext, "Scroll Delay");
4406
4407       pushTreeInfo(&scroll_delays, ti);
4408     }
4409
4410     /* sort scroll delay values to start with lowest scroll delay value */
4411     sortTreeInfo(&scroll_delays);
4412
4413     /* set current scroll delay value to configured scroll delay value */
4414     scroll_delay_current =
4415       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4416
4417     /* if that fails, set current scroll delay to reliable default value */
4418     if (scroll_delay_current == NULL)
4419       scroll_delay_current =
4420         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4421
4422     /* if that also fails, set current scroll delay to first available value */
4423     if (scroll_delay_current == NULL)
4424       scroll_delay_current = scroll_delays;
4425   }
4426
4427   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4428
4429   /* needed for displaying scroll delay text instead of identifier */
4430   scroll_delay_text = scroll_delay_current->name;
4431 }
4432
4433 static void execSetupGame_setSnapshotModes()
4434 {
4435   if (snapshot_modes == NULL)
4436   {
4437     int i;
4438
4439     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4440     {
4441       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4442       char identifier[32], name[32];
4443       char *value = snapshot_modes_list[i].value;
4444       char *text = snapshot_modes_list[i].text;
4445
4446       ti->node_top = &snapshot_modes;
4447       ti->sort_priority = i;
4448
4449       sprintf(identifier, "%s", value);
4450       sprintf(name, "%s", text);
4451
4452       setString(&ti->identifier, identifier);
4453       setString(&ti->name, name);
4454       setString(&ti->name_sorting, name);
4455       setString(&ti->infotext, "Snapshot Mode");
4456
4457       pushTreeInfo(&snapshot_modes, ti);
4458     }
4459
4460     /* sort snapshot mode values to start with lowest snapshot mode value */
4461     sortTreeInfo(&snapshot_modes);
4462
4463     /* set current snapshot mode value to configured snapshot mode value */
4464     snapshot_mode_current =
4465       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4466
4467     /* if that fails, set current snapshot mode to reliable default value */
4468     if (snapshot_mode_current == NULL)
4469       snapshot_mode_current =
4470         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4471
4472     /* if that also fails, set current snapshot mode to first available value */
4473     if (snapshot_mode_current == NULL)
4474       snapshot_mode_current = snapshot_modes;
4475   }
4476
4477   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4478
4479   /* needed for displaying snapshot mode text instead of identifier */
4480   snapshot_mode_text = snapshot_mode_current->name;
4481 }
4482
4483 static void execSetupGame()
4484 {
4485   execSetupGame_setGameSpeeds();
4486   execSetupGame_setScrollDelays();
4487   execSetupGame_setSnapshotModes();
4488
4489   setup_mode = SETUP_MODE_GAME;
4490
4491   DrawSetupScreen();
4492 }
4493
4494 static void execSetupChooseGameSpeed()
4495 {
4496   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4497
4498   DrawSetupScreen();
4499 }
4500
4501 static void execSetupChooseScrollDelay()
4502 {
4503   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4504
4505   DrawSetupScreen();
4506 }
4507
4508 static void execSetupChooseSnapshotMode()
4509 {
4510   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4511
4512   DrawSetupScreen();
4513 }
4514
4515 static void execSetupEditor()
4516 {
4517   setup_mode = SETUP_MODE_EDITOR;
4518
4519   DrawSetupScreen();
4520 }
4521
4522 static void execSetupGraphics_setWindowSizes(boolean update_list)
4523 {
4524   if (window_sizes != NULL && update_list)
4525   {
4526     freeTreeInfo(window_sizes);
4527
4528     window_sizes = NULL;
4529   }
4530
4531   if (window_sizes == NULL)
4532   {
4533     boolean current_window_size_found = FALSE;
4534     int i;
4535
4536     for (i = 0; window_sizes_list[i].value != -1; i++)
4537     {
4538       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4539       char identifier[32], name[32];
4540       int value = window_sizes_list[i].value;
4541       char *text = window_sizes_list[i].text;
4542
4543       ti->node_top = &window_sizes;
4544       ti->sort_priority = value;
4545
4546       sprintf(identifier, "%d", value);
4547       sprintf(name, "%s", text);
4548
4549       setString(&ti->identifier, identifier);
4550       setString(&ti->name, name);
4551       setString(&ti->name_sorting, name);
4552       setString(&ti->infotext, "Window Scaling");
4553
4554       pushTreeInfo(&window_sizes, ti);
4555
4556       if (value == setup.window_scaling_percent)
4557         current_window_size_found = TRUE;
4558     }
4559
4560     if (!current_window_size_found)
4561     {
4562       // add entry for non-preset window scaling value
4563
4564       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4565       char identifier[32], name[32];
4566       int value = setup.window_scaling_percent;
4567
4568       ti->node_top = &window_sizes;
4569       ti->sort_priority = value;
4570
4571       sprintf(identifier, "%d", value);
4572       sprintf(name, "%d %% (Current)", value);
4573
4574       setString(&ti->identifier, identifier);
4575       setString(&ti->name, name);
4576       setString(&ti->name_sorting, name);
4577       setString(&ti->infotext, "Window Scaling");
4578
4579       pushTreeInfo(&window_sizes, ti);
4580     }
4581
4582     /* sort window size values to start with lowest window size value */
4583     sortTreeInfo(&window_sizes);
4584
4585     /* set current window size value to configured window size value */
4586     window_size_current =
4587       getTreeInfoFromIdentifier(window_sizes,
4588                                 i_to_a(setup.window_scaling_percent));
4589
4590     /* if that fails, set current window size to reliable default value */
4591     if (window_size_current == NULL)
4592       window_size_current =
4593         getTreeInfoFromIdentifier(window_sizes,
4594                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4595
4596     /* if that also fails, set current window size to first available value */
4597     if (window_size_current == NULL)
4598       window_size_current = window_sizes;
4599   }
4600
4601   setup.window_scaling_percent = atoi(window_size_current->identifier);
4602
4603   /* needed for displaying window size text instead of identifier */
4604   window_size_text = window_size_current->name;
4605 }
4606
4607 static void execSetupGraphics_setScalingTypes()
4608 {
4609   if (scaling_types == NULL)
4610   {
4611     int i;
4612
4613     for (i = 0; scaling_types_list[i].value != NULL; i++)
4614     {
4615       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4616       char identifier[32], name[32];
4617       char *value = scaling_types_list[i].value;
4618       char *text = scaling_types_list[i].text;
4619
4620       ti->node_top = &scaling_types;
4621       ti->sort_priority = i;
4622
4623       sprintf(identifier, "%s", value);
4624       sprintf(name, "%s", text);
4625
4626       setString(&ti->identifier, identifier);
4627       setString(&ti->name, name);
4628       setString(&ti->name_sorting, name);
4629       setString(&ti->infotext, "Anti-Aliasing");
4630
4631       pushTreeInfo(&scaling_types, ti);
4632     }
4633
4634     /* sort scaling type values to start with lowest scaling type value */
4635     sortTreeInfo(&scaling_types);
4636
4637     /* set current scaling type value to configured scaling type value */
4638     scaling_type_current =
4639       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4640
4641     /* if that fails, set current scaling type to reliable default value */
4642     if (scaling_type_current == NULL)
4643       scaling_type_current =
4644         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4645
4646     /* if that also fails, set current scaling type to first available value */
4647     if (scaling_type_current == NULL)
4648       scaling_type_current = scaling_types;
4649   }
4650
4651   setup.window_scaling_quality = scaling_type_current->identifier;
4652
4653   /* needed for displaying scaling type text instead of identifier */
4654   scaling_type_text = scaling_type_current->name;
4655 }
4656
4657 static void execSetupGraphics_setRenderingModes()
4658 {
4659   if (rendering_modes == NULL)
4660   {
4661     int i;
4662
4663     for (i = 0; rendering_modes_list[i].value != NULL; i++)
4664     {
4665       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4666       char identifier[32], name[32];
4667       char *value = rendering_modes_list[i].value;
4668       char *text = rendering_modes_list[i].text;
4669
4670       ti->node_top = &rendering_modes;
4671       ti->sort_priority = i;
4672
4673       sprintf(identifier, "%s", value);
4674       sprintf(name, "%s", text);
4675
4676       setString(&ti->identifier, identifier);
4677       setString(&ti->name, name);
4678       setString(&ti->name_sorting, name);
4679       setString(&ti->infotext, "Special Rendering");
4680
4681       pushTreeInfo(&rendering_modes, ti);
4682     }
4683
4684     /* sort rendering mode values to start with lowest rendering mode value */
4685     sortTreeInfo(&rendering_modes);
4686
4687     /* set current rendering mode value to configured rendering mode value */
4688     rendering_mode_current =
4689       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
4690
4691     /* if that fails, set current rendering mode to reliable default value */
4692     if (rendering_mode_current == NULL)
4693       rendering_mode_current =
4694         getTreeInfoFromIdentifier(rendering_modes,
4695                                   STR_SPECIAL_RENDERING_DEFAULT);
4696
4697     /* if that also fails, set current rendering mode to first available one */
4698     if (rendering_mode_current == NULL)
4699       rendering_mode_current = rendering_modes;
4700   }
4701
4702   setup.screen_rendering_mode = rendering_mode_current->identifier;
4703
4704   /* needed for displaying rendering mode text instead of identifier */
4705   rendering_mode_text = rendering_mode_current->name;
4706 }
4707
4708 static void execSetupGraphics()
4709 {
4710   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4711   {
4712     // update "setup.window_scaling_percent" from list selection
4713     execSetupGraphics_setWindowSizes(FALSE);
4714   }
4715   else
4716   {
4717     // update list selection from "setup.window_scaling_percent"
4718     execSetupGraphics_setWindowSizes(TRUE);
4719   }
4720
4721   execSetupGraphics_setScalingTypes();
4722   execSetupGraphics_setRenderingModes();
4723
4724   setup_mode = SETUP_MODE_GRAPHICS;
4725
4726   DrawSetupScreen();
4727
4728 #if defined(TARGET_SDL2)
4729   // window scaling may have changed at this point
4730   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4731
4732   // window scaling quality may have changed at this point
4733   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4734     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4735
4736   // screen rendering mode may have changed at this point
4737   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
4738 #endif
4739 }
4740
4741 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
4742 static void execSetupChooseWindowSize()
4743 {
4744   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4745
4746   DrawSetupScreen();
4747 }
4748
4749 static void execSetupChooseScalingType()
4750 {
4751   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4752
4753   DrawSetupScreen();
4754 }
4755
4756 static void execSetupChooseRenderingMode()
4757 {
4758   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
4759
4760   DrawSetupScreen();
4761 }
4762 #endif
4763
4764 static void execSetupChooseVolumeSimple()
4765 {
4766   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4767
4768   DrawSetupScreen();
4769 }
4770
4771 static void execSetupChooseVolumeLoops()
4772 {
4773   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
4774
4775   DrawSetupScreen();
4776 }
4777
4778 static void execSetupChooseVolumeMusic()
4779 {
4780   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
4781
4782   DrawSetupScreen();
4783 }
4784
4785 static void execSetupSound()
4786 {
4787   if (volumes_simple == NULL)
4788   {
4789     boolean current_volume_simple_found = FALSE;
4790     int i;
4791
4792     for (i = 0; volumes_list[i].value != -1; i++)
4793     {
4794       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4795       char identifier[32], name[32];
4796       int value = volumes_list[i].value;
4797       char *text = volumes_list[i].text;
4798
4799       ti->node_top = &volumes_simple;
4800       ti->sort_priority = value;
4801
4802       sprintf(identifier, "%d", value);
4803       sprintf(name, "%s", text);
4804
4805       setString(&ti->identifier, identifier);
4806       setString(&ti->name, name);
4807       setString(&ti->name_sorting, name);
4808       setString(&ti->infotext, "Sound Volume");
4809
4810       pushTreeInfo(&volumes_simple, ti);
4811
4812       if (value == setup.volume_simple)
4813         current_volume_simple_found = TRUE;
4814     }
4815
4816     if (!current_volume_simple_found)
4817     {
4818       // add entry for non-preset volume value
4819
4820       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4821       char identifier[32], name[32];
4822       int value = setup.volume_simple;
4823
4824       ti->node_top = &volumes_simple;
4825       ti->sort_priority = value;
4826
4827       sprintf(identifier, "%d", value);
4828       sprintf(name, "%d %% (Current)", value);
4829
4830       setString(&ti->identifier, identifier);
4831       setString(&ti->name, name);
4832       setString(&ti->name_sorting, name);
4833       setString(&ti->infotext, "Sound Volume");
4834
4835       pushTreeInfo(&volumes_simple, ti);
4836     }
4837
4838     /* sort volume values to start with lowest volume value */
4839     sortTreeInfo(&volumes_simple);
4840
4841     /* set current volume value to configured volume value */
4842     volume_simple_current =
4843       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
4844
4845     /* if that fails, set current volume to reliable default value */
4846     if (volume_simple_current == NULL)
4847       volume_simple_current =
4848         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
4849
4850     /* if that also fails, set current volume to first available value */
4851     if (volume_simple_current == NULL)
4852       volume_simple_current = volumes_simple;
4853   }
4854
4855   if (volumes_loops == NULL)
4856   {
4857     boolean current_volume_loops_found = FALSE;
4858     int i;
4859
4860     for (i = 0; volumes_list[i].value != -1; i++)
4861     {
4862       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4863       char identifier[32], name[32];
4864       int value = volumes_list[i].value;
4865       char *text = volumes_list[i].text;
4866
4867       ti->node_top = &volumes_loops;
4868       ti->sort_priority = value;
4869
4870       sprintf(identifier, "%d", value);
4871       sprintf(name, "%s", text);
4872
4873       setString(&ti->identifier, identifier);
4874       setString(&ti->name, name);
4875       setString(&ti->name_sorting, name);
4876       setString(&ti->infotext, "Loops Volume");
4877
4878       pushTreeInfo(&volumes_loops, ti);
4879
4880       if (value == setup.volume_loops)
4881         current_volume_loops_found = TRUE;
4882     }
4883
4884     if (!current_volume_loops_found)
4885     {
4886       // add entry for non-preset volume value
4887
4888       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4889       char identifier[32], name[32];
4890       int value = setup.volume_loops;
4891
4892       ti->node_top = &volumes_loops;
4893       ti->sort_priority = value;
4894
4895       sprintf(identifier, "%d", value);
4896       sprintf(name, "%d %% (Current)", value);
4897
4898       setString(&ti->identifier, identifier);
4899       setString(&ti->name, name);
4900       setString(&ti->name_sorting, name);
4901       setString(&ti->infotext, "Loops Volume");
4902
4903       pushTreeInfo(&volumes_loops, ti);
4904     }
4905
4906     /* sort volume values to start with lowest volume value */
4907     sortTreeInfo(&volumes_loops);
4908
4909     /* set current volume value to configured volume value */
4910     volume_loops_current =
4911       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
4912
4913     /* if that fails, set current volume to reliable default value */
4914     if (volume_loops_current == NULL)
4915       volume_loops_current =
4916         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
4917
4918     /* if that also fails, set current volume to first available value */
4919     if (volume_loops_current == NULL)
4920       volume_loops_current = volumes_loops;
4921   }
4922
4923   if (volumes_music == NULL)
4924   {
4925     boolean current_volume_music_found = FALSE;
4926     int i;
4927
4928     for (i = 0; volumes_list[i].value != -1; i++)
4929     {
4930       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4931       char identifier[32], name[32];
4932       int value = volumes_list[i].value;
4933       char *text = volumes_list[i].text;
4934
4935       ti->node_top = &volumes_music;
4936       ti->sort_priority = value;
4937
4938       sprintf(identifier, "%d", value);
4939       sprintf(name, "%s", text);
4940
4941       setString(&ti->identifier, identifier);
4942       setString(&ti->name, name);
4943       setString(&ti->name_sorting, name);
4944       setString(&ti->infotext, "Music Volume");
4945
4946       pushTreeInfo(&volumes_music, ti);
4947
4948       if (value == setup.volume_music)
4949         current_volume_music_found = TRUE;
4950     }
4951
4952     if (!current_volume_music_found)
4953     {
4954       // add entry for non-preset volume value
4955
4956       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4957       char identifier[32], name[32];
4958       int value = setup.volume_music;
4959
4960       ti->node_top = &volumes_music;
4961       ti->sort_priority = value;
4962
4963       sprintf(identifier, "%d", value);
4964       sprintf(name, "%d %% (Current)", value);
4965
4966       setString(&ti->identifier, identifier);
4967       setString(&ti->name, name);
4968       setString(&ti->name_sorting, name);
4969       setString(&ti->infotext, "Music Volume");
4970
4971       pushTreeInfo(&volumes_music, ti);
4972     }
4973
4974     /* sort volume values to start with lowest volume value */
4975     sortTreeInfo(&volumes_music);
4976
4977     /* set current volume value to configured volume value */
4978     volume_music_current =
4979       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
4980
4981     /* if that fails, set current volume to reliable default value */
4982     if (volume_music_current == NULL)
4983       volume_music_current =
4984         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
4985
4986     /* if that also fails, set current volume to first available value */
4987     if (volume_music_current == NULL)
4988       volume_music_current = volumes_music;
4989   }
4990
4991   setup.volume_simple = atoi(volume_simple_current->identifier);
4992   setup.volume_loops  = atoi(volume_loops_current->identifier);
4993   setup.volume_music  = atoi(volume_music_current->identifier);
4994
4995   /* needed for displaying volume text instead of identifier */
4996   volume_simple_text = volume_simple_current->name;
4997   volume_loops_text = volume_loops_current->name;
4998   volume_music_text = volume_music_current->name;
4999
5000   setup_mode = SETUP_MODE_SOUND;
5001
5002   DrawSetupScreen();
5003 }
5004
5005 static void execSetupChooseTouchControls()
5006 {
5007   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5008
5009   DrawSetupScreen();
5010 }
5011
5012 static void execSetupChooseMoveDistance()
5013 {
5014   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5015
5016   DrawSetupScreen();
5017 }
5018
5019 static void execSetupChooseDropDistance()
5020 {
5021   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5022
5023   DrawSetupScreen();
5024 }
5025
5026 static void execSetupTouch()
5027 {
5028   if (touch_controls == NULL)
5029   {
5030     int i;
5031
5032     for (i = 0; touch_controls_list[i].value != NULL; i++)
5033     {
5034       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5035       char identifier[32], name[32];
5036       char *value = touch_controls_list[i].value;
5037       char *text = touch_controls_list[i].text;
5038
5039       ti->node_top = &touch_controls;
5040       ti->sort_priority = i;
5041
5042       sprintf(identifier, "%s", value);
5043       sprintf(name, "%s", text);
5044
5045       setString(&ti->identifier, identifier);
5046       setString(&ti->name, name);
5047       setString(&ti->name_sorting, name);
5048       setString(&ti->infotext, "Control Type");
5049
5050       pushTreeInfo(&touch_controls, ti);
5051     }
5052
5053     /* sort touch control values to start with lowest touch control value */
5054     sortTreeInfo(&touch_controls);
5055
5056     /* set current touch control value to configured touch control value */
5057     touch_control_current =
5058       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5059
5060     /* if that fails, set current touch control to reliable default value */
5061     if (touch_control_current == NULL)
5062       touch_control_current =
5063         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5064
5065     /* if that also fails, set current touch control to first available value */
5066     if (touch_control_current == NULL)
5067       touch_control_current = touch_controls;
5068   }
5069
5070   if (move_distances == NULL)
5071   {
5072     int i;
5073
5074     for (i = 0; distances_list[i].value != -1; i++)
5075     {
5076       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5077       char identifier[32], name[32];
5078       int value = distances_list[i].value;
5079       char *text = distances_list[i].text;
5080
5081       ti->node_top = &move_distances;
5082       ti->sort_priority = value;
5083
5084       sprintf(identifier, "%d", value);
5085       sprintf(name, "%s", text);
5086
5087       setString(&ti->identifier, identifier);
5088       setString(&ti->name, name);
5089       setString(&ti->name_sorting, name);
5090       setString(&ti->infotext, "Move Distance");
5091
5092       pushTreeInfo(&move_distances, ti);
5093     }
5094
5095     /* sort distance values to start with lowest distance value */
5096     sortTreeInfo(&move_distances);
5097
5098     /* set current distance value to configured distance value */
5099     move_distance_current =
5100       getTreeInfoFromIdentifier(move_distances,
5101                                 i_to_a(setup.touch.move_distance));
5102
5103     /* if that fails, set current distance to reliable default value */
5104     if (move_distance_current == NULL)
5105       move_distance_current =
5106         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5107
5108     /* if that also fails, set current distance to first available value */
5109     if (move_distance_current == NULL)
5110       move_distance_current = move_distances;
5111   }
5112
5113   if (drop_distances == NULL)
5114   {
5115     int i;
5116
5117     for (i = 0; distances_list[i].value != -1; i++)
5118     {
5119       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5120       char identifier[32], name[32];
5121       int value = distances_list[i].value;
5122       char *text = distances_list[i].text;
5123
5124       ti->node_top = &drop_distances;
5125       ti->sort_priority = value;
5126
5127       sprintf(identifier, "%d", value);
5128       sprintf(name, "%s", text);
5129
5130       setString(&ti->identifier, identifier);
5131       setString(&ti->name, name);
5132       setString(&ti->name_sorting, name);
5133       setString(&ti->infotext, "Drop Distance");
5134
5135       pushTreeInfo(&drop_distances, ti);
5136     }
5137
5138     /* sort distance values to start with lowest distance value */
5139     sortTreeInfo(&drop_distances);
5140
5141     /* set current distance value to configured distance value */
5142     drop_distance_current =
5143       getTreeInfoFromIdentifier(drop_distances,
5144                                 i_to_a(setup.touch.drop_distance));
5145
5146     /* if that fails, set current distance to reliable default value */
5147     if (drop_distance_current == NULL)
5148       drop_distance_current =
5149         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5150
5151     /* if that also fails, set current distance to first available value */
5152     if (drop_distance_current == NULL)
5153       drop_distance_current = drop_distances;
5154   }
5155
5156   setup.touch.control_type = touch_control_current->identifier;
5157   setup.touch.move_distance = atoi(move_distance_current->identifier);
5158   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5159
5160   /* needed for displaying volume text instead of identifier */
5161   touch_controls_text = touch_control_current->name;
5162   move_distance_text = move_distance_current->name;
5163   drop_distance_text = drop_distance_current->name;
5164
5165   setup_mode = SETUP_MODE_TOUCH;
5166
5167   DrawSetupScreen();
5168 }
5169
5170 static void execSetupArtwork()
5171 {
5172 #if 0
5173   printf("::: '%s', '%s', '%s'\n",
5174          artwork.gfx_current->subdir,
5175          artwork.gfx_current->fullpath,
5176          artwork.gfx_current->basepath);
5177 #endif
5178
5179   setup.graphics_set = artwork.gfx_current->identifier;
5180   setup.sounds_set = artwork.snd_current->identifier;
5181   setup.music_set = artwork.mus_current->identifier;
5182
5183   /* needed if last screen (setup choice) changed graphics, sounds or music */
5184   ReloadCustomArtwork(0);
5185
5186   /* needed for displaying artwork name instead of artwork identifier */
5187   graphics_set_name = artwork.gfx_current->name;
5188   sounds_set_name = artwork.snd_current->name;
5189   music_set_name = artwork.mus_current->name;
5190
5191   setup_mode = SETUP_MODE_ARTWORK;
5192
5193   DrawSetupScreen();
5194 }
5195
5196 static void execSetupChooseGraphics()
5197 {
5198   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5199
5200   DrawSetupScreen();
5201 }
5202
5203 static void execSetupChooseSounds()
5204 {
5205   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5206
5207   DrawSetupScreen();
5208 }
5209
5210 static void execSetupChooseMusic()
5211 {
5212   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5213
5214   DrawSetupScreen();
5215 }
5216
5217 #if !defined(PLATFORM_ANDROID)
5218 static void execSetupInput()
5219 {
5220   setup_mode = SETUP_MODE_INPUT;
5221
5222   DrawSetupScreen();
5223 }
5224 #endif
5225
5226 static void execSetupShortcuts()
5227 {
5228   setup_mode = SETUP_MODE_SHORTCUTS;
5229
5230   DrawSetupScreen();
5231 }
5232
5233 static void execSetupShortcuts1()
5234 {
5235   setup_mode = SETUP_MODE_SHORTCUTS_1;
5236
5237   DrawSetupScreen();
5238 }
5239
5240 static void execSetupShortcuts2()
5241 {
5242   setup_mode = SETUP_MODE_SHORTCUTS_2;
5243
5244   DrawSetupScreen();
5245 }
5246
5247 static void execSetupShortcuts3()
5248 {
5249   setup_mode = SETUP_MODE_SHORTCUTS_3;
5250
5251   DrawSetupScreen();
5252 }
5253
5254 static void execSetupShortcuts4()
5255 {
5256   setup_mode = SETUP_MODE_SHORTCUTS_4;
5257
5258   DrawSetupScreen();
5259 }
5260
5261 static void execSetupShortcuts5()
5262 {
5263   setup_mode = SETUP_MODE_SHORTCUTS_5;
5264
5265   DrawSetupScreen();
5266 }
5267
5268 static void execExitSetup()
5269 {
5270   SetGameStatus(GAME_MODE_MAIN);
5271
5272   DrawMainMenu();
5273 }
5274
5275 static void execSaveAndExitSetup()
5276 {
5277   SaveSetup();
5278   execExitSetup();
5279 }
5280
5281 static struct TokenInfo setup_info_main[] =
5282 {
5283   { TYPE_ENTER_MENU,    execSetupGame,          "Game & Menu"           },
5284   { TYPE_ENTER_MENU,    execSetupEditor,        "Editor"                },
5285   { TYPE_ENTER_MENU,    execSetupGraphics,      "Graphics"              },
5286   { TYPE_ENTER_MENU,    execSetupSound,         "Sound & Music"         },
5287   { TYPE_ENTER_MENU,    execSetupArtwork,       "Custom Artwork"        },
5288 #if !defined(PLATFORM_ANDROID)
5289   { TYPE_ENTER_MENU,    execSetupInput,         "Input Devices"         },
5290   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5291 #else
5292   { TYPE_ENTER_MENU,    execSetupTouch,         "Touch Controls"        },
5293 #endif
5294   { TYPE_ENTER_MENU,    execSetupShortcuts,     "Key Shortcuts"         },
5295   { TYPE_EMPTY,         NULL,                   ""                      },
5296   { TYPE_LEAVE_MENU,    execExitSetup,          "Exit"                  },
5297   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   "Save and Exit"         },
5298
5299   { 0,                  NULL,                   NULL                    }
5300 };
5301
5302 static struct TokenInfo setup_info_game[] =
5303 {
5304   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5305   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5306   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5307   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5308   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5309   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5310   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5311   { TYPE_STRING,        &game_speed_text,       ""                      },
5312 #if 1
5313   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5314   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5315 #endif
5316   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5317   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5318   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5319   { TYPE_EMPTY,         NULL,                   ""                      },
5320   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5321
5322   { 0,                  NULL,                   NULL                    }
5323 };
5324
5325 static struct TokenInfo setup_info_editor[] =
5326 {
5327 #if 0
5328   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5329   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5330   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5331   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5332   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5333   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5334   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5335   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5336 #endif
5337   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5338   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5339   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5340 #if 0
5341   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5342 #endif
5343   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5344   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5345   { TYPE_EMPTY,         NULL,                   ""                      },
5346 #if 0
5347   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5348   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5349   { TYPE_EMPTY,         NULL,                   ""                      },
5350 #endif
5351   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5352   { TYPE_EMPTY,         NULL,                   ""                      },
5353   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5354
5355   { 0,                  NULL,                   NULL                    }
5356 };
5357
5358 static struct TokenInfo setup_info_graphics[] =
5359 {
5360 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
5361   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5362   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5363   { TYPE_STRING,        &window_size_text,      ""                      },
5364   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5365   { TYPE_STRING,        &scaling_type_text,     ""                      },
5366   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
5367   { TYPE_STRING,        &rendering_mode_text,   ""                      },
5368 #endif
5369 #if 0
5370   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5371   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5372 #endif
5373   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5374   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5375   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5376   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5377   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5378   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5379   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5380   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5381   { TYPE_EMPTY,         NULL,                   ""                      },
5382   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5383
5384   { 0,                  NULL,                   NULL                    }
5385 };
5386
5387 static struct TokenInfo setup_info_sound[] =
5388 {
5389   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5390   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5391   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5392   { TYPE_EMPTY,         NULL,                   ""                      },
5393   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5394   { TYPE_STRING,        &volume_simple_text,    ""                      },
5395   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5396   { TYPE_STRING,        &volume_loops_text,     ""                      },
5397   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5398   { TYPE_STRING,        &volume_music_text,     ""                      },
5399   { TYPE_EMPTY,         NULL,                   ""                      },
5400   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5401
5402   { 0,                  NULL,                   NULL                    }
5403 };
5404
5405 static struct TokenInfo setup_info_artwork[] =
5406 {
5407   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5408   { TYPE_STRING,        &graphics_set_name,     ""                      },
5409   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5410   { TYPE_STRING,        &sounds_set_name,       ""                      },
5411   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5412   { TYPE_STRING,        &music_set_name,        ""                      },
5413   { TYPE_EMPTY,         NULL,                   ""                      },
5414   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5415   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5416   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5417   { TYPE_EMPTY,         NULL,                   ""                      },
5418   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5419
5420   { 0,                  NULL,                   NULL                    }
5421 };
5422
5423 static struct TokenInfo setup_info_input[] =
5424 {
5425   { TYPE_SWITCH,        NULL,                   "Player:"               },
5426   { TYPE_SWITCH,        NULL,                   "Device:"               },
5427   { TYPE_ENTER_MENU,    NULL,                   ""                      },
5428   { TYPE_EMPTY,         NULL,                   ""                      },
5429   { TYPE_EMPTY,         NULL,                   ""                      },
5430   { TYPE_EMPTY,         NULL,                   ""                      },
5431   { TYPE_EMPTY,         NULL,                   ""                      },
5432   { TYPE_EMPTY,         NULL,                   ""                      },
5433   { TYPE_EMPTY,         NULL,                   ""                      },
5434   { TYPE_EMPTY,         NULL,                   ""                      },
5435   { TYPE_EMPTY,         NULL,                   ""                      },
5436   { TYPE_EMPTY,         NULL,                   ""                      },
5437   { TYPE_EMPTY,         NULL,                   ""                      },
5438   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5439
5440   { 0,                  NULL,                   NULL                    }
5441 };
5442
5443 static struct TokenInfo setup_info_touch[] =
5444 {
5445   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5446   { TYPE_STRING,        &touch_controls_text,   ""                      },
5447   { TYPE_EMPTY,         NULL,                   ""                      },
5448   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5449   { TYPE_STRING,        &move_distance_text,    ""                      },
5450   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5451   { TYPE_STRING,        &drop_distance_text,    ""                      },
5452   { TYPE_EMPTY,         NULL,                   ""                      },
5453   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5454
5455   { 0,                  NULL,                   NULL                    }
5456 };
5457
5458 static struct TokenInfo setup_info_shortcuts[] =
5459 {
5460   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5461   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5462   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5463   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5464   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5465   { TYPE_EMPTY,         NULL,                   ""                      },
5466   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5467
5468   { 0,                  NULL,                   NULL                    }
5469 };
5470
5471 static struct TokenInfo setup_info_shortcuts_1[] =
5472 {
5473   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5474   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5475   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5476   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5477   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5478   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5479   { TYPE_EMPTY,         NULL,                   ""                      },
5480   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5481   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5482   { TYPE_EMPTY,         NULL,                   ""                      },
5483   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5484
5485   { 0,                  NULL,                   NULL                    }
5486 };
5487
5488 static struct TokenInfo setup_info_shortcuts_2[] =
5489 {
5490   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5491   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5492   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5493   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5494   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5495   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5496   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5497   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5498   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5499   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5500   { TYPE_EMPTY,         NULL,                   ""                      },
5501   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5502
5503   { 0,                  NULL,                   NULL                    }
5504 };
5505
5506 static struct TokenInfo setup_info_shortcuts_3[] =
5507 {
5508   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5509   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5510   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5511   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5512   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5513   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5514   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5515   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5516   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5517   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5518   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5519   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5520   { TYPE_EMPTY,         NULL,                   ""                      },
5521   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5522
5523   { 0,                  NULL,                   NULL                    }
5524 };
5525
5526 static struct TokenInfo setup_info_shortcuts_4[] =
5527 {
5528   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5529   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5530   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5531   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5532   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5533   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5534   { TYPE_EMPTY,         NULL,                   ""                      },
5535   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5536
5537   { 0,                  NULL,                   NULL                    }
5538 };
5539
5540 static struct TokenInfo setup_info_shortcuts_5[] =
5541 {
5542   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5543   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5544   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5545   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5546   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5547   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5548   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5549   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5550   { TYPE_EMPTY,         NULL,                   ""                      },
5551   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5552
5553   { 0,                  NULL,                   NULL                    }
5554 };
5555
5556 static Key getSetupKey()
5557 {
5558   Key key = KSYM_UNDEFINED;
5559   boolean got_key_event = FALSE;
5560
5561   while (!got_key_event)
5562   {
5563     if (PendingEvent())         /* got event */
5564     {
5565       Event event;
5566
5567       NextEvent(&event);
5568
5569       switch (event.type)
5570       {
5571         case EVENT_KEYPRESS:
5572           {
5573             key = GetEventKey((KeyEvent *)&event, TRUE);
5574
5575             /* press 'Escape' or 'Enter' to keep the existing key binding */
5576             if (key == KSYM_Escape || key == KSYM_Return)
5577               key = KSYM_UNDEFINED;     /* keep old value */
5578
5579             got_key_event = TRUE;
5580           }
5581           break;
5582
5583         case EVENT_KEYRELEASE:
5584           key_joystick_mapping = 0;
5585           break;
5586
5587         default:
5588           HandleOtherEvents(&event);
5589           break;
5590       }
5591     }
5592
5593     DoAnimation();
5594     BackToFront();
5595
5596     WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
5597   }
5598
5599   return key;
5600 }
5601
5602 static int getSetupValueFont(int type, void *value)
5603 {
5604   if (type & TYPE_KEY)
5605     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5606   else if (type & TYPE_STRING)
5607     return FONT_VALUE_2;
5608   else if (type & TYPE_ECS_AGA)
5609     return FONT_VALUE_1;
5610   else if (type & TYPE_BOOLEAN_STYLE)
5611     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5612   else if (type & TYPE_YES_NO_AUTO)
5613     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5614             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5615   else
5616     return FONT_VALUE_1;
5617 }
5618
5619 static int getSetupValueFontNarrow(int type, int font_nr)
5620 {
5621   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
5622           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
5623           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
5624           font_nr);
5625 }
5626
5627 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5628 {
5629   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5630   struct TokenInfo *si = &setup_info[si_pos];
5631   boolean font_draw_xoffset_modified = FALSE;
5632   boolean scrollbar_needed = (num_setup_info < max_setup_info);
5633   int font_draw_xoffset_old = -1;
5634   int xoffset = (scrollbar_needed ? -1 : 0);
5635   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5636   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5637   int xpos = menu_screen_value_xpos;
5638   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5639   int startx = mSX + xpos * 32;
5640   int starty = mSY + ypos * 32;
5641   int font_nr, font_width;
5642   int type = si->type;
5643   void *value = si->value;
5644   char *value_string = getSetupValue(type, value);
5645   int i;
5646
5647   if (value_string == NULL)
5648     return;
5649
5650   if (type & TYPE_KEY)
5651   {
5652     xpos = MENU_SCREEN_START_XPOS;
5653
5654     if (type & TYPE_QUERY)
5655       value_string = "<press key>";
5656   }
5657   else if (type & TYPE_STRING)
5658   {
5659     int max_value_len = (SCR_FIELDX - 2) * 2;
5660
5661     xpos = MENU_SCREEN_START_XPOS;
5662
5663     if (strlen(value_string) > max_value_len)
5664       value_string[max_value_len] = '\0';
5665   }
5666   else if (type & TYPE_YES_NO_AUTO)
5667   {
5668     xpos = menu_screen_value_xpos - 1;
5669   }
5670
5671   startx = mSX + xpos * 32;
5672   starty = mSY + ypos * 32;
5673   font_nr = getSetupValueFont(type, value);
5674   font_width = getFontWidth(font_nr);
5675
5676   // special check if right-side setup values moved left due to scrollbar
5677   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
5678   {
5679     int max_menu_text_length = 26;      // maximum text length for classic menu
5680     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5681     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5682     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5683     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5684     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
5685
5686     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
5687     {
5688       xpos += 1;
5689       startx = mSX + xpos * 32;
5690
5691       font_nr = getSetupValueFontNarrow(type, font_nr);
5692       font_width = getFontWidth(font_nr);
5693     }
5694   }
5695
5696   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5697   if (setup_mode != SETUP_MODE_INPUT)
5698   {
5699     int max_menu_text_length_big = (menu_screen_value_xpos -
5700                                     MENU_SCREEN_START_XPOS);
5701     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5702     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5703     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5704     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5705     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5706     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5707     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5708     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5709     boolean correct_font_draw_xoffset = FALSE;
5710
5711     if (xpos == MENU_SCREEN_START_XPOS &&
5712         startx + font1_xoffset < text_startx + text_font_xoffset)
5713       correct_font_draw_xoffset = TRUE;
5714
5715     if (xpos == menu_screen_value_xpos &&
5716         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5717       correct_font_draw_xoffset = TRUE;
5718
5719     /* check if setup value would overlap with setup text when printed */
5720     /* (this can happen for extreme/wrong values for font draw offset) */
5721     if (correct_font_draw_xoffset)
5722     {
5723       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5724       font_draw_xoffset_modified = TRUE;
5725
5726       if (type & TYPE_KEY)
5727         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5728       else if (!(type & TYPE_STRING))
5729         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5730           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5731     }
5732   }
5733
5734   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5735     DrawText(startx + i * font_width, starty, " ", font_nr);
5736
5737   DrawText(startx, starty, value_string, font_nr);
5738
5739   if (font_draw_xoffset_modified)
5740     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5741 }
5742
5743 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5744 {
5745   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5746   struct TokenInfo *si = &setup_info[si_pos];
5747
5748   if (si->type & TYPE_BOOLEAN_STYLE)
5749   {
5750     *(boolean *)si->value ^= TRUE;
5751   }
5752   else if (si->type & TYPE_YES_NO_AUTO)
5753   {
5754     *(int *)si->value =
5755       (dx == -1 ?
5756        (*(int *)si->value == AUTO ? TRUE :
5757         *(int *)si->value == TRUE ? FALSE : AUTO) :
5758        (*(int *)si->value == TRUE ? AUTO :
5759         *(int *)si->value == AUTO ? FALSE : TRUE));
5760   }
5761   else if (si->type & TYPE_KEY)
5762   {
5763     Key key;
5764
5765     si->type |= TYPE_QUERY;
5766     drawSetupValue(screen_pos, setup_info_pos_raw);
5767     si->type &= ~TYPE_QUERY;
5768
5769     key = getSetupKey();
5770     if (key != KSYM_UNDEFINED)
5771       *(Key *)si->value = key;
5772   }
5773
5774   drawSetupValue(screen_pos, setup_info_pos_raw);
5775
5776   // fullscreen state may have changed at this point
5777   if (si->value == &setup.fullscreen)
5778     ToggleFullscreenOrChangeWindowScalingIfNeeded();
5779 }
5780
5781 static void DrawSetupScreen_Generic()
5782 {
5783   int fade_mask = REDRAW_FIELD;
5784   boolean redraw_all = FALSE;
5785   char *title_string = NULL;
5786   int i;
5787
5788   if (CheckIfGlobalBorderHasChanged())
5789     fade_mask = REDRAW_ALL;
5790
5791   UnmapAllGadgets();
5792
5793   FreeScreenGadgets();
5794   CreateScreenGadgets();
5795
5796   if (redraw_mask & REDRAW_ALL)
5797     redraw_all = TRUE;
5798
5799   FadeOut(fade_mask);
5800
5801   ClearField();
5802
5803   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5804
5805   if (setup_mode == SETUP_MODE_MAIN)
5806   {
5807     setup_info = setup_info_main;
5808     title_string = "Setup";
5809   }
5810   else if (setup_mode == SETUP_MODE_GAME)
5811   {
5812     setup_info = setup_info_game;
5813     title_string = "Setup Game";
5814   }
5815   else if (setup_mode == SETUP_MODE_EDITOR)
5816   {
5817     setup_info = setup_info_editor;
5818     title_string = "Setup Editor";
5819   }
5820   else if (setup_mode == SETUP_MODE_GRAPHICS)
5821   {
5822     setup_info = setup_info_graphics;
5823     title_string = "Setup Graphics";
5824   }
5825   else if (setup_mode == SETUP_MODE_SOUND)
5826   {
5827     setup_info = setup_info_sound;
5828     title_string = "Setup Sound";
5829   }
5830   else if (setup_mode == SETUP_MODE_ARTWORK)
5831   {
5832     setup_info = setup_info_artwork;
5833     title_string = "Custom Artwork";
5834   }
5835   else if (setup_mode == SETUP_MODE_TOUCH)
5836   {
5837     setup_info = setup_info_touch;
5838     title_string = "Setup Touch Ctrls";
5839   }
5840   else if (setup_mode == SETUP_MODE_SHORTCUTS)
5841   {
5842     setup_info = setup_info_shortcuts;
5843     title_string = "Setup Shortcuts";
5844   }
5845   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
5846   {
5847     setup_info = setup_info_shortcuts_1;
5848     title_string = "Setup Shortcuts";
5849   }
5850   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
5851   {
5852     setup_info = setup_info_shortcuts_2;
5853     title_string = "Setup Shortcuts";
5854   }
5855   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
5856   {
5857     setup_info = setup_info_shortcuts_3;
5858     title_string = "Setup Shortcuts";
5859   }
5860   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
5861   {
5862     setup_info = setup_info_shortcuts_4;
5863     title_string = "Setup Shortcuts";
5864   }
5865   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
5866   {
5867     setup_info = setup_info_shortcuts_5;
5868     title_string = "Setup Shortcuts";
5869   }
5870
5871   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
5872
5873   // determine maximal number of setup entries that can be displayed on screen
5874   num_setup_info = 0;
5875   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5876     num_setup_info++;
5877
5878   // determine maximal number of setup entries available for this setup screen
5879   max_setup_info = 0;
5880   for (i = 0; setup_info[i].type != 0; i++)
5881     max_setup_info++;
5882
5883   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
5884
5885   MapScreenGadgets(max_setup_info);
5886
5887   if (redraw_all)
5888     redraw_mask = fade_mask = REDRAW_ALL;
5889
5890   DrawMaskedBorder(fade_mask);
5891
5892   FadeIn(fade_mask);
5893
5894   InitAnimation();
5895 }
5896
5897 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
5898 {
5899   menu_info = setup_info;
5900
5901   HandleMenuScreen(mx, my, dx, dy, button,
5902                    setup_mode, num_setup_info, max_setup_info);
5903 }
5904
5905 void DrawSetupScreen_Input()
5906 {
5907   int i;
5908
5909   FadeOut(REDRAW_FIELD);
5910
5911   ClearField();
5912
5913   setup_info = setup_info_input;
5914
5915   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Setup Input");
5916
5917   DrawTextSCentered(SYSIZE - 20, FONT_TITLE_2,
5918                     "Joysticks deactivated on this screen");
5919
5920   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
5921   {
5922     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
5923       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
5924     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
5925       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
5926     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
5927       initCursor(i, IMG_MENU_BUTTON);
5928
5929     DrawCursorAndText_Setup(i, -1, FALSE);
5930   }
5931
5932   /* create gadgets for setup input menu screen */
5933   FreeScreenGadgets();
5934   CreateScreenGadgets();
5935
5936   /* map gadgets for setup input menu screen */
5937   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
5938
5939   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
5940
5941   FadeIn(REDRAW_FIELD);
5942
5943   InitAnimation();
5944 }
5945
5946 static void setJoystickDeviceToNr(char *device_name, int device_nr)
5947 {
5948   if (device_name == NULL)
5949     return;
5950
5951   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
5952     device_nr = 0;
5953
5954   if (strlen(device_name) > 1)
5955   {
5956     char c1 = device_name[strlen(device_name) - 1];
5957     char c2 = device_name[strlen(device_name) - 2];
5958
5959     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
5960       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
5961   }
5962   else
5963     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
5964             strlen(device_name));
5965 }
5966
5967 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
5968 {
5969   int i;
5970   static struct SetupKeyboardInfo custom_key;
5971   static struct
5972   {
5973     Key *key;
5974     char *text;
5975   } custom[] =
5976   {
5977     { &custom_key.left,  "Joystick Left"  },
5978     { &custom_key.right, "Joystick Right" },
5979     { &custom_key.up,    "Joystick Up"    },
5980     { &custom_key.down,  "Joystick Down"  },
5981     { &custom_key.snap,  "Button 1"       },
5982     { &custom_key.drop,  "Button 2"       }
5983   };
5984   static char *joystick_name[MAX_PLAYERS] =
5985   {
5986     "Joystick1",
5987     "Joystick2",
5988     "Joystick3",
5989     "Joystick4"
5990   };
5991   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
5992
5993   InitJoysticks();
5994
5995   custom_key = setup.input[player_nr].key;
5996
5997   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
5998            FONT_INPUT_1_ACTIVE);
5999
6000   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6001                              TILEX, TILEY);
6002   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6003                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6004
6005   if (setup.input[player_nr].use_joystick)
6006   {
6007     char *device_name = setup.input[player_nr].joy.device_name;
6008     char *text = joystick_name[getJoystickNrFromDeviceName(device_name)];
6009     int font_nr = (joystick.fd[player_nr] < 0 ? FONT_VALUE_OLD : FONT_VALUE_1);
6010
6011     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
6012     DrawText(mSX + 32, mSY + 4 * 32, "Calibrate", text_font_nr);
6013   }
6014   else
6015   {
6016     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
6017     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
6018   }
6019
6020   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
6021
6022   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
6023   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
6024   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
6025   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6026
6027   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6028   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6029   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6030   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6031   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6032   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6033
6034   for (i = 0; i < 6; i++)
6035   {
6036     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6037
6038     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6039              "              ", FONT_VALUE_1);
6040     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6041              (setup.input[player_nr].use_joystick ?
6042               custom[i].text :
6043               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6044   }
6045 }
6046
6047 static int input_player_nr = 0;
6048
6049 void HandleSetupScreen_Input_Player(int step, int direction)
6050 {
6051   int old_player_nr = input_player_nr;
6052   int new_player_nr;
6053
6054   new_player_nr = old_player_nr + step * direction;
6055   if (new_player_nr < 0)
6056     new_player_nr = 0;
6057   if (new_player_nr > MAX_PLAYERS - 1)
6058     new_player_nr = MAX_PLAYERS - 1;
6059
6060   if (new_player_nr != old_player_nr)
6061   {
6062     input_player_nr = new_player_nr;
6063
6064     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6065   }
6066 }
6067
6068 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6069 {
6070   static int choice = 0;
6071   int x = 0;
6072   int y = choice;
6073   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6074   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6075   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6076   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6077
6078   if (button == MB_MENU_INITIALIZE)
6079   {
6080     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6081
6082     DrawCursorAndText_Setup(choice, -1, TRUE);
6083
6084     return;
6085   }
6086   else if (button == MB_MENU_LEAVE)
6087   {
6088     setup_mode = SETUP_MODE_MAIN;
6089     DrawSetupScreen();
6090     InitJoysticks();
6091
6092     return;
6093   }
6094
6095   if (mx || my)         /* mouse input */
6096   {
6097     x = (mx - mSX) / 32;
6098     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6099   }
6100   else if (dx || dy)    /* keyboard input */
6101   {
6102     if (dx && choice == 0)
6103       x = (dx < 0 ? 10 : 12);
6104     else if ((dx && choice == 1) ||
6105              (dx == +1 && choice == 2) ||
6106              (dx == -1 && choice == pos_end))
6107       button = MB_MENU_CHOICE;
6108     else if (dy)
6109       y = choice + dy;
6110
6111     if (y >= pos_empty1 && y <= pos_empty2)
6112       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6113   }
6114
6115   if (y == 0 && dx != 0 && button)
6116   {
6117     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6118   }
6119   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6120            y >= pos_start && y <= pos_end &&
6121            !(y >= pos_empty1 && y <= pos_empty2))
6122   {
6123     if (button)
6124     {
6125       if (y != choice)
6126       {
6127         DrawCursorAndText_Setup(choice, -1, FALSE);
6128         DrawCursorAndText_Setup(y, -1, TRUE);
6129
6130         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6131
6132         choice = y;
6133       }
6134     }
6135     else
6136     {
6137       if (y == 1)
6138       {
6139         char *device_name = setup.input[input_player_nr].joy.device_name;
6140
6141         if (!setup.input[input_player_nr].use_joystick)
6142         {
6143           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6144
6145           setJoystickDeviceToNr(device_name, new_device_nr);
6146           setup.input[input_player_nr].use_joystick = TRUE;
6147         }
6148         else
6149         {
6150           int device_nr = getJoystickNrFromDeviceName(device_name);
6151           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6152
6153           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6154             setup.input[input_player_nr].use_joystick = FALSE;
6155           else
6156             setJoystickDeviceToNr(device_name, new_device_nr);
6157         }
6158
6159         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6160       }
6161       else if (y == 2)
6162       {
6163         if (setup.input[input_player_nr].use_joystick)
6164         {
6165           InitJoysticks();
6166           CalibrateJoystick(input_player_nr);
6167         }
6168         else
6169           CustomizeKeyboard(input_player_nr);
6170       }
6171       else if (y == pos_end)
6172       {
6173         InitJoysticks();
6174
6175         FadeSetLeaveMenu();
6176
6177         setup_mode = SETUP_MODE_MAIN;
6178         DrawSetupScreen();
6179       }
6180     }
6181   }
6182 }
6183
6184 void CustomizeKeyboard(int player_nr)
6185 {
6186   int i;
6187   int step_nr;
6188   boolean finished = FALSE;
6189   static struct SetupKeyboardInfo custom_key;
6190   static struct
6191   {
6192     Key *key;
6193     char *text;
6194   } customize_step[] =
6195   {
6196     { &custom_key.left,  "Move Left"    },
6197     { &custom_key.right, "Move Right"   },
6198     { &custom_key.up,    "Move Up"      },
6199     { &custom_key.down,  "Move Down"    },
6200     { &custom_key.snap,  "Snap Field"   },
6201     { &custom_key.drop,  "Drop Element" }
6202   };
6203
6204   /* read existing key bindings from player setup */
6205   custom_key = setup.input[player_nr].key;
6206
6207   FadeSetEnterMenu();
6208   FadeOut(REDRAW_FIELD);
6209
6210   ClearField();
6211
6212   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6213
6214   step_nr = 0;
6215   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6216            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6217   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6218            "Key:", FONT_INPUT_1_ACTIVE);
6219   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6220            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6221
6222   FadeIn(REDRAW_FIELD);
6223
6224   InitAnimation();
6225
6226   while (!finished)
6227   {
6228     if (PendingEvent())         /* got event */
6229     {
6230       Event event;
6231
6232       NextEvent(&event);
6233
6234       switch (event.type)
6235       {
6236         case EVENT_KEYPRESS:
6237           {
6238             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6239
6240             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6241             {
6242               if (key == KSYM_Escape)
6243                 FadeSkipNextFadeIn();
6244
6245               finished = TRUE;
6246               break;
6247             }
6248
6249             /* all keys configured -- wait for "Escape" or "Return" key */
6250             if (step_nr == 6)
6251               break;
6252
6253             /* press 'Enter' to keep the existing key binding */
6254             if (key == KSYM_Return)
6255               key = *customize_step[step_nr].key;
6256
6257             /* check if key already used */
6258             for (i = 0; i < step_nr; i++)
6259               if (*customize_step[i].key == key)
6260                 break;
6261             if (i < step_nr)
6262               break;
6263
6264             /* got new key binding */
6265             *customize_step[step_nr].key = key;
6266             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6267                      "             ", FONT_VALUE_1);
6268             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6269                      getKeyNameFromKey(key), FONT_VALUE_1);
6270             step_nr++;
6271
6272             /* un-highlight last query */
6273             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6274                      customize_step[step_nr - 1].text, FONT_MENU_1);
6275             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6276                      "Key:", FONT_MENU_1);
6277
6278             /* press 'Enter' to leave */
6279             if (step_nr == 6)
6280             {
6281               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6282                        "Press Enter", FONT_TITLE_1);
6283               break;
6284             }
6285
6286             /* query next key binding */
6287             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6288                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6289             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6290                      "Key:", FONT_INPUT_1_ACTIVE);
6291             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6292                      getKeyNameFromKey(*customize_step[step_nr].key),
6293                      FONT_VALUE_OLD);
6294           }
6295           break;
6296
6297         case EVENT_KEYRELEASE:
6298           key_joystick_mapping = 0;
6299           break;
6300
6301         default:
6302           HandleOtherEvents(&event);
6303           break;
6304       }
6305     }
6306
6307     DoAnimation();
6308     BackToFront();
6309
6310     WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
6311   }
6312
6313   /* write new key bindings back to player setup */
6314   setup.input[player_nr].key = custom_key;
6315
6316   StopAnimation();
6317   DrawSetupScreen_Input();
6318 }
6319
6320 static boolean CalibrateJoystickMain(int player_nr)
6321 {
6322   int new_joystick_xleft = JOYSTICK_XMIDDLE;
6323   int new_joystick_xright = JOYSTICK_XMIDDLE;
6324   int new_joystick_yupper = JOYSTICK_YMIDDLE;
6325   int new_joystick_ylower = JOYSTICK_YMIDDLE;
6326   int new_joystick_xmiddle, new_joystick_ymiddle;
6327
6328   int joystick_fd = joystick.fd[player_nr];
6329   int x, y, last_x, last_y, xpos = 8, ypos = 3;
6330   boolean check[3][3];
6331   int check_remaining = 3 * 3;
6332   int joy_x, joy_y;
6333   int joy_value;
6334   int result = -1;
6335
6336   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6337     return FALSE;
6338
6339   if (joystick_fd < 0 || !setup.input[player_nr].use_joystick)
6340     return FALSE;
6341
6342   FadeSetEnterMenu();
6343   FadeOut(REDRAW_FIELD);
6344
6345   ClearField();
6346
6347   for (y = 0; y < 3; y++)
6348   {
6349     for (x = 0; x < 3; x++)
6350     {
6351       DrawFixedGraphic(xpos + x - 1, ypos + y - 1, IMG_MENU_CALIBRATE_BLUE, 0);
6352       check[x][y] = FALSE;
6353     }
6354   }
6355
6356   DrawTextSCentered(mSY - SY +  6 * 32, FONT_TITLE_1, "Rotate joystick");
6357   DrawTextSCentered(mSY - SY +  7 * 32, FONT_TITLE_1, "in all directions");
6358   DrawTextSCentered(mSY - SY +  9 * 32, FONT_TITLE_1, "if all balls");
6359   DrawTextSCentered(mSY - SY + 10 * 32, FONT_TITLE_1, "are marked,");
6360   DrawTextSCentered(mSY - SY + 11 * 32, FONT_TITLE_1, "center joystick");
6361   DrawTextSCentered(mSY - SY + 12 * 32, FONT_TITLE_1, "and");
6362   DrawTextSCentered(mSY - SY + 13 * 32, FONT_TITLE_1, "press any button!");
6363
6364   joy_value = Joystick(player_nr);
6365   last_x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6366   last_y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6367
6368   /* eventually uncalibrated center position (joystick could be uncentered) */
6369   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6370     return FALSE;
6371
6372   new_joystick_xmiddle = joy_x;
6373   new_joystick_ymiddle = joy_y;
6374
6375   DrawFixedGraphic(xpos + last_x, ypos + last_y, IMG_MENU_CALIBRATE_RED, 0);
6376
6377   FadeIn(REDRAW_FIELD);
6378
6379   while (Joystick(player_nr) & JOY_BUTTON);     /* wait for released button */
6380   InitAnimation();
6381
6382   while (result < 0)
6383   {
6384     if (PendingEvent())         /* got event */
6385     {
6386       Event event;
6387
6388       NextEvent(&event);
6389
6390       switch (event.type)
6391       {
6392         case EVENT_KEYPRESS:
6393           switch (GetEventKey((KeyEvent *)&event, TRUE))
6394           {
6395             case KSYM_Return:
6396               if (check_remaining == 0)
6397                 result = 1;
6398               break;
6399
6400             case KSYM_Escape:
6401               FadeSkipNextFadeIn();
6402               result = 0;
6403               break;
6404
6405             default:
6406               break;
6407           }
6408           break;
6409
6410         case EVENT_KEYRELEASE:
6411           key_joystick_mapping = 0;
6412           break;
6413
6414         default:
6415           HandleOtherEvents(&event);
6416           break;
6417       }
6418     }
6419
6420     if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6421       return FALSE;
6422
6423     new_joystick_xleft  = MIN(new_joystick_xleft,  joy_x);
6424     new_joystick_xright = MAX(new_joystick_xright, joy_x);
6425     new_joystick_yupper = MIN(new_joystick_yupper, joy_y);
6426     new_joystick_ylower = MAX(new_joystick_ylower, joy_y);
6427
6428     setup.input[player_nr].joy.xleft = new_joystick_xleft;
6429     setup.input[player_nr].joy.yupper = new_joystick_yupper;
6430     setup.input[player_nr].joy.xright = new_joystick_xright;
6431     setup.input[player_nr].joy.ylower = new_joystick_ylower;
6432     setup.input[player_nr].joy.xmiddle = new_joystick_xmiddle;
6433     setup.input[player_nr].joy.ymiddle = new_joystick_ymiddle;
6434
6435     CheckJoystickData();
6436
6437     joy_value = Joystick(player_nr);
6438
6439     if (joy_value & JOY_BUTTON && check_remaining == 0)
6440       result = 1;
6441
6442     x = (joy_value & JOY_LEFT ? -1 : joy_value & JOY_RIGHT ? +1 : 0);
6443     y = (joy_value & JOY_UP   ? -1 : joy_value & JOY_DOWN  ? +1 : 0);
6444
6445     if (x != last_x || y != last_y)
6446     {
6447       DrawFixedGraphic(xpos + last_x, ypos + last_y,
6448                        IMG_MENU_CALIBRATE_YELLOW, 0);
6449       DrawFixedGraphic(xpos + x,      ypos + y,
6450                        IMG_MENU_CALIBRATE_RED,    0);
6451
6452       last_x = x;
6453       last_y = y;
6454
6455       if (check_remaining > 0 && !check[x+1][y+1])
6456       {
6457         check[x+1][y+1] = TRUE;
6458         check_remaining--;
6459       }
6460     }
6461
6462     DoAnimation();
6463     BackToFront();
6464
6465     WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
6466   }
6467
6468   /* calibrated center position (joystick should now be centered) */
6469   if (!ReadJoystick(joystick_fd, &joy_x, &joy_y, NULL, NULL))
6470     return FALSE;
6471
6472   new_joystick_xmiddle = joy_x;
6473   new_joystick_ymiddle = joy_y;
6474
6475   StopAnimation();
6476
6477   /* wait until the last pressed button was released */
6478   while (Joystick(player_nr) & JOY_BUTTON)
6479   {
6480     if (PendingEvent())         /* got event */
6481     {
6482       Event event;
6483
6484       NextEvent(&event);
6485       HandleOtherEvents(&event);
6486
6487       WaitUntilDelayReached(&sync_frame_delay, sync_frame_delay_value);
6488     }
6489   }
6490
6491   return TRUE;
6492 }
6493
6494 void CalibrateJoystick(int player_nr)
6495 {
6496   if (!CalibrateJoystickMain(player_nr))
6497   {
6498     char *device_name = setup.input[player_nr].joy.device_name;
6499     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6500     int xpos = mSX - SX;
6501     int ypos = mSY - SY;
6502
6503     ClearField();
6504
6505     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6506     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, " NOT AVAILABLE! ");
6507     BackToFront();
6508
6509     Delay(2000);                /* show error message for a short time */
6510
6511     ClearEventQueue();
6512   }
6513
6514   DrawSetupScreen_Input();
6515 }
6516
6517 void DrawSetupScreen()
6518 {
6519   DeactivateJoystick();
6520
6521   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6522
6523   if (setup_mode == SETUP_MODE_INPUT)
6524     DrawSetupScreen_Input();
6525   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6526     DrawChooseTree(&game_speed_current);
6527   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6528     DrawChooseTree(&scroll_delay_current);
6529   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6530     DrawChooseTree(&snapshot_mode_current);
6531   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6532     DrawChooseTree(&window_size_current);
6533   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6534     DrawChooseTree(&scaling_type_current);
6535   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6536     DrawChooseTree(&rendering_mode_current);
6537   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6538     DrawChooseTree(&artwork.gfx_current);
6539   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6540     DrawChooseTree(&artwork.snd_current);
6541   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6542     DrawChooseTree(&artwork.mus_current);
6543   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6544     DrawChooseTree(&volume_simple_current);
6545   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6546     DrawChooseTree(&volume_loops_current);
6547   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6548     DrawChooseTree(&volume_music_current);
6549   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6550     DrawChooseTree(&touch_control_current);
6551   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6552     DrawChooseTree(&move_distance_current);
6553   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6554     DrawChooseTree(&drop_distance_current);
6555   else
6556     DrawSetupScreen_Generic();
6557
6558   PlayMenuSound();
6559   PlayMenuMusic();
6560 }
6561
6562 void RedrawSetupScreenAfterFullscreenToggle()
6563 {
6564   if (setup_mode == SETUP_MODE_GRAPHICS ||
6565       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6566   {
6567     // update list selection from "setup.window_scaling_percent"
6568     execSetupGraphics_setWindowSizes(TRUE);
6569
6570     DrawSetupScreen();
6571   }
6572 }
6573
6574 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
6575 {
6576   if (setup_mode == SETUP_MODE_INPUT)
6577     HandleSetupScreen_Input(mx, my, dx, dy, button);
6578   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
6579     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
6580   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
6581     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
6582   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
6583     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
6584   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6585     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
6586   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
6587     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
6588   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
6589     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
6590   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
6591     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
6592   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
6593     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
6594   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
6595     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
6596   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
6597     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
6598   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
6599     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
6600   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
6601     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
6602   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
6603     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
6604   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
6605     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
6606   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
6607     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
6608   else
6609     HandleSetupScreen_Generic(mx, my, dx, dy, button);
6610 }
6611
6612 void HandleGameActions()
6613 {
6614   if (game_status != GAME_MODE_PLAYING)
6615     return;
6616
6617   GameActions();        /* main game loop */
6618
6619   if (tape.auto_play && !tape.playing)
6620     AutoPlayTape();     /* continue automatically playing next tape */
6621 }
6622
6623
6624 /* ---------- new screen button stuff -------------------------------------- */
6625
6626 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
6627 {
6628   switch (gadget_id)
6629   {
6630     case SCREEN_CTRL_ID_PREV_LEVEL:
6631       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
6632       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
6633       break;
6634
6635     case SCREEN_CTRL_ID_NEXT_LEVEL:
6636       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
6637       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
6638       break;
6639
6640     case SCREEN_CTRL_ID_PREV_PLAYER:
6641       *x = mSX + TILEX * 10;
6642       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6643       break;
6644
6645     case SCREEN_CTRL_ID_NEXT_PLAYER:
6646       *x = mSX + TILEX * 12;
6647       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
6648       break;
6649
6650     default:
6651       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
6652   }
6653 }
6654
6655 static struct
6656 {
6657   int gfx_unpressed, gfx_pressed;
6658   void (*get_gadget_position)(int *, int *, int);
6659   int gadget_id;
6660   int screen_mask;
6661   char *infotext;
6662 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
6663 {
6664   {
6665     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
6666     getScreenMenuButtonPos,
6667     SCREEN_CTRL_ID_PREV_LEVEL,
6668     SCREEN_MASK_MAIN,
6669     "last level"
6670   },
6671   {
6672     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
6673     getScreenMenuButtonPos,
6674     SCREEN_CTRL_ID_NEXT_LEVEL,
6675     SCREEN_MASK_MAIN,
6676     "next level"
6677   },
6678   {
6679     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
6680     getScreenMenuButtonPos,
6681     SCREEN_CTRL_ID_PREV_PLAYER,
6682     SCREEN_MASK_INPUT,
6683     "last player"
6684   },
6685   {
6686     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
6687     getScreenMenuButtonPos,
6688     SCREEN_CTRL_ID_NEXT_PLAYER,
6689     SCREEN_MASK_INPUT,
6690     "next player"
6691   },
6692 };
6693
6694 static struct
6695 {
6696   int gfx_unpressed, gfx_pressed;
6697   int x, y;
6698   int gadget_id;
6699   char *infotext;
6700 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
6701 {
6702   {
6703     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
6704     -1, -1,     /* these values are not constant, but can change at runtime */
6705     SCREEN_CTRL_ID_SCROLL_UP,
6706     "scroll up"
6707   },
6708   {
6709     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
6710     -1, -1,     /* these values are not constant, but can change at runtime */
6711     SCREEN_CTRL_ID_SCROLL_DOWN,
6712     "scroll down"
6713   }
6714 };
6715
6716 static struct
6717 {
6718   int gfx_unpressed, gfx_pressed;
6719   int x, y;
6720   int width, height;
6721   int type;
6722   int gadget_id;
6723   char *infotext;
6724 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
6725 {
6726   {
6727     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
6728     -1, -1,     /* these values are not constant, but can change at runtime */
6729     -1, -1,     /* these values are not constant, but can change at runtime */
6730     GD_TYPE_SCROLLBAR_VERTICAL,
6731     SCREEN_CTRL_ID_SCROLL_VERTICAL,
6732     "scroll level series vertically"
6733   }
6734 };
6735
6736 static void CreateScreenMenubuttons()
6737 {
6738   struct GadgetInfo *gi;
6739   unsigned int event_mask;
6740   int i;
6741
6742   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6743   {
6744     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6745     int gfx_unpressed, gfx_pressed;
6746     int x, y, width, height;
6747     int gd_x1, gd_x2, gd_y1, gd_y2;
6748     int id = menubutton_info[i].gadget_id;
6749
6750     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6751
6752     menubutton_info[i].get_gadget_position(&x, &y, id);
6753
6754     width = SC_MENUBUTTON_XSIZE;
6755     height = SC_MENUBUTTON_YSIZE;
6756
6757     gfx_unpressed = menubutton_info[i].gfx_unpressed;
6758     gfx_pressed   = menubutton_info[i].gfx_pressed;
6759     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6760     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6761     gd_x1 = graphic_info[gfx_unpressed].src_x;
6762     gd_y1 = graphic_info[gfx_unpressed].src_y;
6763     gd_x2 = graphic_info[gfx_pressed].src_x;
6764     gd_y2 = graphic_info[gfx_pressed].src_y;
6765
6766     gi = CreateGadget(GDI_CUSTOM_ID, id,
6767                       GDI_CUSTOM_TYPE_ID, i,
6768                       GDI_INFO_TEXT, menubutton_info[i].infotext,
6769                       GDI_X, x,
6770                       GDI_Y, y,
6771                       GDI_WIDTH, width,
6772                       GDI_HEIGHT, height,
6773                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6774                       GDI_STATE, GD_BUTTON_UNPRESSED,
6775                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6776                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6777                       GDI_DIRECT_DRAW, FALSE,
6778                       GDI_EVENT_MASK, event_mask,
6779                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6780                       GDI_END);
6781
6782     if (gi == NULL)
6783       Error(ERR_EXIT, "cannot create gadget");
6784
6785     screen_gadget[id] = gi;
6786   }
6787 }
6788
6789 static void CreateScreenScrollbuttons()
6790 {
6791   struct GadgetInfo *gi;
6792   unsigned int event_mask;
6793   int i;
6794
6795   /* these values are not constant, but can change at runtime */
6796   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
6797   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
6798   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
6799   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
6800
6801   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6802   {
6803     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6804     int gfx_unpressed, gfx_pressed;
6805     int x, y, width, height;
6806     int gd_x1, gd_x2, gd_y1, gd_y2;
6807     int id = scrollbutton_info[i].gadget_id;
6808
6809     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6810
6811     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
6812     y = mSY + scrollbutton_info[i].y;
6813     width = SC_SCROLLBUTTON_XSIZE;
6814     height = SC_SCROLLBUTTON_YSIZE;
6815
6816     /* correct scrollbar position if placed outside menu (playfield) area */
6817     if (x > SX + SC_SCROLL_UP_XPOS)
6818       x = SX + SC_SCROLL_UP_XPOS;
6819
6820     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
6821       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
6822                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
6823
6824     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
6825     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
6826     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6827     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6828     gd_x1 = graphic_info[gfx_unpressed].src_x;
6829     gd_y1 = graphic_info[gfx_unpressed].src_y;
6830     gd_x2 = graphic_info[gfx_pressed].src_x;
6831     gd_y2 = graphic_info[gfx_pressed].src_y;
6832
6833     gi = CreateGadget(GDI_CUSTOM_ID, id,
6834                       GDI_CUSTOM_TYPE_ID, i,
6835                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6836                       GDI_X, x,
6837                       GDI_Y, y,
6838                       GDI_WIDTH, width,
6839                       GDI_HEIGHT, height,
6840                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6841                       GDI_STATE, GD_BUTTON_UNPRESSED,
6842                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6843                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6844                       GDI_DIRECT_DRAW, FALSE,
6845                       GDI_EVENT_MASK, event_mask,
6846                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6847                       GDI_END);
6848
6849     if (gi == NULL)
6850       Error(ERR_EXIT, "cannot create gadget");
6851
6852     screen_gadget[id] = gi;
6853   }
6854 }
6855
6856 static void CreateScreenScrollbars()
6857 {
6858   int i;
6859
6860   /* these values are not constant, but can change at runtime */
6861   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
6862   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
6863   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
6864   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
6865
6866   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6867   {
6868     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
6869     int gfx_unpressed, gfx_pressed;
6870     int x, y, width, height;
6871     int gd_x1, gd_x2, gd_y1, gd_y2;
6872     struct GadgetInfo *gi;
6873     int items_max, items_visible, item_position;
6874     unsigned int event_mask;
6875     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
6876     int id = scrollbar_info[i].gadget_id;
6877
6878     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6879
6880     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
6881     y = mSY + scrollbar_info[i].y;
6882     width  = scrollbar_info[i].width;
6883     height = scrollbar_info[i].height;
6884
6885     /* correct scrollbar position if placed outside menu (playfield) area */
6886     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
6887       x = SX + SC_SCROLL_VERTICAL_XPOS;
6888
6889     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
6890       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
6891
6892     items_max = num_page_entries;
6893     items_visible = num_page_entries;
6894     item_position = 0;
6895
6896     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
6897     gfx_pressed   = scrollbar_info[i].gfx_pressed;
6898     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
6899     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
6900     gd_x1 = graphic_info[gfx_unpressed].src_x;
6901     gd_y1 = graphic_info[gfx_unpressed].src_y;
6902     gd_x2 = graphic_info[gfx_pressed].src_x;
6903     gd_y2 = graphic_info[gfx_pressed].src_y;
6904
6905     gi = CreateGadget(GDI_CUSTOM_ID, id,
6906                       GDI_CUSTOM_TYPE_ID, i,
6907                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6908                       GDI_X, x,
6909                       GDI_Y, y,
6910                       GDI_WIDTH, width,
6911                       GDI_HEIGHT, height,
6912                       GDI_TYPE, scrollbar_info[i].type,
6913                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6914                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6915                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6916                       GDI_WHEEL_AREA_X, SX,
6917                       GDI_WHEEL_AREA_Y, SY,
6918                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
6919                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
6920                       GDI_STATE, GD_BUTTON_UNPRESSED,
6921                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
6922                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
6923                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
6924                       GDI_DIRECT_DRAW, FALSE,
6925                       GDI_EVENT_MASK, event_mask,
6926                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
6927                       GDI_END);
6928
6929     if (gi == NULL)
6930       Error(ERR_EXIT, "cannot create gadget");
6931
6932     screen_gadget[id] = gi;
6933   }
6934 }
6935
6936 void CreateScreenGadgets()
6937 {
6938   int last_game_status = game_status;   /* save current game status */
6939
6940   CreateScreenMenubuttons();
6941
6942   CreateScreenScrollbuttons();
6943   CreateScreenScrollbars();
6944
6945   SetGameStatus(last_game_status);      /* restore current game status */
6946 }
6947
6948 void FreeScreenGadgets()
6949 {
6950   int i;
6951
6952   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
6953     FreeGadget(screen_gadget[i]);
6954 }
6955
6956 void MapScreenMenuGadgets(int screen_mask)
6957 {
6958   int i;
6959
6960   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
6961     if (screen_mask & menubutton_info[i].screen_mask)
6962       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
6963 }
6964
6965 void MapScreenGadgets(int num_entries)
6966 {
6967   int i;
6968
6969   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
6970     return;
6971
6972   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
6973     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
6974
6975   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
6976     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
6977 }
6978
6979 void MapScreenTreeGadgets(TreeInfo *ti)
6980 {
6981   MapScreenGadgets(numTreeInfoInGroup(ti));
6982 }
6983
6984 static void HandleScreenGadgets(struct GadgetInfo *gi)
6985 {
6986   int id = gi->custom_id;
6987   int button = gi->event.button;
6988   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
6989
6990   switch (id)
6991   {
6992     case SCREEN_CTRL_ID_PREV_LEVEL:
6993       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
6994       break;
6995
6996     case SCREEN_CTRL_ID_NEXT_LEVEL:
6997       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
6998       break;
6999
7000     case SCREEN_CTRL_ID_PREV_PLAYER:
7001       HandleSetupScreen_Input_Player(step, -1);
7002       break;
7003
7004     case SCREEN_CTRL_ID_NEXT_PLAYER:
7005       HandleSetupScreen_Input_Player(step, +1);
7006       break;
7007
7008     case SCREEN_CTRL_ID_SCROLL_UP:
7009       if (game_status == GAME_MODE_LEVELS)
7010         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7011       else if (game_status == GAME_MODE_LEVELNR)
7012         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7013       else if (game_status == GAME_MODE_SETUP)
7014         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7015       else if (game_status == GAME_MODE_INFO)
7016         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7017       break;
7018
7019     case SCREEN_CTRL_ID_SCROLL_DOWN:
7020       if (game_status == GAME_MODE_LEVELS)
7021         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7022       else if (game_status == GAME_MODE_LEVELNR)
7023         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7024       else if (game_status == GAME_MODE_SETUP)
7025         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7026       else if (game_status == GAME_MODE_INFO)
7027         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7028       break;
7029
7030     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7031       if (game_status == GAME_MODE_LEVELS)
7032         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7033       else if (game_status == GAME_MODE_LEVELNR)
7034         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7035       else if (game_status == GAME_MODE_SETUP)
7036         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7037       else if (game_status == GAME_MODE_INFO)
7038         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7039       break;
7040
7041     default:
7042       break;
7043   }
7044 }