src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26
  27 #define DEBUG_JOYSTICKS         0
  28
  29
  30 /* screens on the info screen */
  31 #define INFO_MODE_MAIN                  0
  32 #define INFO_MODE_TITLE                 1
  33 #define INFO_MODE_ELEMENTS              2
  34 #define INFO_MODE_MUSIC                 3
  35 #define INFO_MODE_CREDITS               4
  36 #define INFO_MODE_PROGRAM               5
  37 #define INFO_MODE_VERSION               6
  38 #define INFO_MODE_LEVELSET              7
  39
  40 #define MAX_INFO_MODES                  8
  41
  42 /* screens on the setup screen */
  43 /* (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h) */
  44 /* (should also match corresponding entries in src/conf_gfx.c) */
  45 #define SETUP_MODE_MAIN                 0
  46 #define SETUP_MODE_GAME                 1
  47 #define SETUP_MODE_EDITOR               2
  48 #define SETUP_MODE_GRAPHICS             3
  49 #define SETUP_MODE_SOUND                4
  50 #define SETUP_MODE_ARTWORK              5
  51 #define SETUP_MODE_INPUT                6
  52 #define SETUP_MODE_TOUCH                7
  53 #define SETUP_MODE_SHORTCUTS            8
  54 #define SETUP_MODE_SHORTCUTS_1          9
  55 #define SETUP_MODE_SHORTCUTS_2          10
  56 #define SETUP_MODE_SHORTCUTS_3          11
  57 #define SETUP_MODE_SHORTCUTS_4          12
  58 #define SETUP_MODE_SHORTCUTS_5          13
  59
  60 /* sub-screens on the setup screen (generic) */
  61 #define SETUP_MODE_CHOOSE_ARTWORK       14
  62 #define SETUP_MODE_CHOOSE_OTHER         15
  63
  64 /* sub-screens on the setup screen (specific) */
  65 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  66 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  67 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
  68 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   19
  69 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
  70 #define SETUP_MODE_CHOOSE_RENDERING     21
  71 #define SETUP_MODE_CHOOSE_GRAPHICS      22
  72 #define SETUP_MODE_CHOOSE_SOUNDS        23
  73 #define SETUP_MODE_CHOOSE_MUSIC         24
  74 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 25
  75 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  26
  76 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  27
  77 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 28
  78 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 29
  79 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 30
  80 #define SETUP_MODE_CHOOSE_TRANSPARENCY  31
  81 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  32
  82 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  33
  83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  34
  84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  35
  85 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  36
  86
  87 #define MAX_SETUP_MODES                 37
  88
  89 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  90
  91 /* setup screen titles */
  92 #define STR_SETUP_MAIN                  "Setup"
  93 #define STR_SETUP_GAME                  "Game & Menu"
  94 #define STR_SETUP_EDITOR                "Editor"
  95 #define STR_SETUP_GRAPHICS              "Graphics"
  96 #define STR_SETUP_SOUND                 "Sound & Music"
  97 #define STR_SETUP_ARTWORK               "Custom Artwork"
  98 #define STR_SETUP_INPUT                 "Input Devices"
  99 #define STR_SETUP_TOUCH                 "Touch Controls"
 100 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 101 #define STR_SETUP_EXIT                  "Exit"
 102 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 103
 104 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 105 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 106 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 107 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 108 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 109 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 110 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 111 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 112 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 113 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 114 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 115 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 116 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 117 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 118 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 119 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 120 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 121
 122 /* for input setup functions */
 123 #define SETUPINPUT_SCREEN_POS_START     0
 124 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 125 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 126 #define SETUPINPUT_SCREEN_POS_END       13
 127
 128 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 129 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 130
 131 /* for various menu stuff  */
 132 #define MENU_SCREEN_START_XPOS          1
 133 #define MENU_SCREEN_START_YPOS          2
 134 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 135 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 136 #define MENU_TITLE1_YPOS                8
 137 #define MENU_TITLE2_YPOS                46
 138 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 139 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 140 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 141 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 142 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 143 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 144 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 145 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 146 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 147 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 148 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 149                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 150                                                          MENU_INFO_FONT_TITLE))
 151 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 152 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 153 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 154                                          MENU_SCREEN_INFO_YSTART2 -     \
 155                                          TILEY / 2)
 156 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 157 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 158                                          MENU_SCREEN_INFO_YSTEP)
 159 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 160   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 161    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 162    MAX_MENU_ENTRIES_ON_SCREEN)
 163 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 164                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 165                                             NUM_INFO_ELEMENTS_FROM_CONF)
 166 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 167 #define MAX_MENU_TEXT_LENGTH_BIG        13
 168 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 169
 170 /* buttons and scrollbars identifiers */
 171 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 172 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 173 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 174 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 175 #define SCREEN_CTRL_ID_INSERT_SOLUTION  4
 176 #define SCREEN_CTRL_ID_PLAY_SOLUTION    5
 177 #define SCREEN_CTRL_ID_SCROLL_UP        6
 178 #define SCREEN_CTRL_ID_SCROLL_DOWN      7
 179 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  8
 180
 181 #define NUM_SCREEN_GADGETS              9
 182
 183 #define NUM_SCREEN_MENUBUTTONS          6
 184 #define NUM_SCREEN_SCROLLBUTTONS        2
 185 #define NUM_SCREEN_SCROLLBARS           1
 186
 187 #define SCREEN_MASK_MAIN                (1 << 0)
 188 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 189 #define SCREEN_MASK_INPUT               (1 << 2)
 190
 191 /* graphic position and size values for buttons and scrollbars */
 192 #define SC_MENUBUTTON_XSIZE             TILEX
 193 #define SC_MENUBUTTON_YSIZE             TILEY
 194
 195 #define SC_SCROLLBUTTON_XSIZE           TILEX
 196 #define SC_SCROLLBUTTON_YSIZE           TILEY
 197
 198 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 199
 200 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 201 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 202                                          SC_SCROLLBUTTON_YSIZE)
 203
 204 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 205 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 206
 207 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 208 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 209                                          SC_SCROLLBUTTON_YSIZE)
 210
 211 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 212 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 213                                          SC_SCROLL_VERTICAL_YSIZE)
 214
 215 #define SC_BORDER_SIZE                  14
 216
 217
 218 /* forward declarations of internal functions */
 219 static void HandleScreenGadgets(struct GadgetInfo *);
 220 static void HandleSetupScreen_Generic(int, int, int, int, int);
 221 static void HandleSetupScreen_Input(int, int, int, int, int);
 222 static void CustomizeKeyboard(int);
 223 static void ConfigureJoystick(int);
 224 static void ConfigureVirtualButtons();
 225 static void execSetupGame(void);
 226 static void execSetupGraphics(void);
 227 static void execSetupSound(void);
 228 static void execSetupTouch(void);
 229 static void execSetupArtwork(void);
 230 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 231
 232 static void DrawChooseLevelSet(void);
 233 static void DrawChooseLevelNr(void);
 234 static void DrawInfoScreen(void);
 235 static void DrawSetupScreen(void);
 236
 237 static void DrawInfoScreen_NotAvailable(char *, char *);
 238 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 239 static void DrawInfoScreen_HelpText(int, int, int, int);
 240 static void HandleInfoScreen_Main(int, int, int, int, int);
 241 static void HandleInfoScreen_TitleScreen(int);
 242 static void HandleInfoScreen_Elements(int);
 243 static void HandleInfoScreen_Music(int);
 244 static void HandleInfoScreen_Credits(int);
 245 static void HandleInfoScreen_Program(int);
 246 static void HandleInfoScreen_Version(int);
 247
 248 static void MapScreenMenuGadgets(int);
 249 static void MapScreenGadgets(int);
 250 static void MapScreenTreeGadgets(TreeInfo *);
 251
 252 static void UpdateScreenMenuGadgets(int, boolean);
 253
 254 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 255
 256 static int info_mode = INFO_MODE_MAIN;
 257 static int setup_mode = SETUP_MODE_MAIN;
 258
 259 static TreeInfo *window_sizes = NULL;
 260 static TreeInfo *window_size_current = NULL;
 261
 262 static TreeInfo *scaling_types = NULL;
 263 static TreeInfo *scaling_type_current = NULL;
 264
 265 static TreeInfo *rendering_modes = NULL;
 266 static TreeInfo *rendering_mode_current = NULL;
 267
 268 static TreeInfo *scroll_delays = NULL;
 269 static TreeInfo *scroll_delay_current = NULL;
 270
 271 static TreeInfo *snapshot_modes = NULL;
 272 static TreeInfo *snapshot_mode_current = NULL;
 273
 274 static TreeInfo *game_speeds = NULL;
 275 static TreeInfo *game_speed_current = NULL;
 276
 277 static TreeInfo *volumes_simple = NULL;
 278 static TreeInfo *volume_simple_current = NULL;
 279
 280 static TreeInfo *volumes_loops = NULL;
 281 static TreeInfo *volume_loops_current = NULL;
 282
 283 static TreeInfo *volumes_music = NULL;
 284 static TreeInfo *volume_music_current = NULL;
 285
 286 static TreeInfo *touch_controls = NULL;
 287 static TreeInfo *touch_control_current = NULL;
 288
 289 static TreeInfo *move_distances = NULL;
 290 static TreeInfo *move_distance_current = NULL;
 291
 292 static TreeInfo *drop_distances = NULL;
 293 static TreeInfo *drop_distance_current = NULL;
 294
 295 static TreeInfo *transparencies = NULL;
 296 static TreeInfo *transparency_current = NULL;
 297
 298 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 299 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 300
 301 static TreeInfo *level_number = NULL;
 302 static TreeInfo *level_number_current = NULL;
 303
 304 static struct
 305 {
 306   int value;
 307   char *text;
 308 } window_sizes_list[] =
 309 {
 310   {     50,     "50 %"                          },
 311   {     80,     "80 %"                          },
 312   {     90,     "90 %"                          },
 313   {     100,    "100 % (Default)"               },
 314   {     110,    "110 %"                         },
 315   {     120,    "120 %"                         },
 316   {     130,    "130 %"                         },
 317   {     140,    "140 %"                         },
 318   {     150,    "150 %"                         },
 319   {     200,    "200 %"                         },
 320   {     250,    "250 %"                         },
 321   {     300,    "300 %"                         },
 322
 323   {     -1,     NULL                            },
 324 };
 325
 326 static struct
 327 {
 328   char *value;
 329   char *text;
 330 } scaling_types_list[] =
 331 {
 332   {     SCALING_QUALITY_NEAREST, "Off"          },
 333   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 334   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 335
 336   {     NULL,                    NULL           },
 337 };
 338
 339 static struct
 340 {
 341   char *value;
 342   char *text;
 343 } rendering_modes_list[] =
 344 {
 345   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 346   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 347 #if DEBUG
 348   // this mode may work under certain conditions, but does not work on Windows
 349   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 350 #endif
 351   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 352
 353   {     NULL,                            NULL                            },
 354 };
 355
 356 static struct
 357 {
 358   int value;
 359   char *text;
 360 } game_speeds_list[] =
 361 {
 362 #if 1
 363   {     30,     "Very Slow"                     },
 364   {     25,     "Slow"                          },
 365   {     20,     "Normal"                        },
 366   {     15,     "Fast"                          },
 367   {     10,     "Very Fast"                     },
 368 #else
 369   {     1000,   "1/1s (Extremely Slow)"         },
 370   {     500,    "1/2s"                          },
 371   {     200,    "1/5s"                          },
 372   {     100,    "1/10s"                         },
 373   {     50,     "1/20s"                         },
 374   {     29,     "1/35s (Original Supaplex)"     },
 375   {     25,     "1/40s"                         },
 376   {     20,     "1/50s (Normal Speed)"          },
 377   {     14,     "1/70s (Maximum Supaplex)"      },
 378   {     10,     "1/100s"                        },
 379   {     5,      "1/200s"                        },
 380   {     2,      "1/500s"                        },
 381   {     1,      "1/1000s (Extremely Fast)"      },
 382 #endif
 383
 384   {     -1,     NULL                            },
 385 };
 386
 387 static struct
 388 {
 389   int value;
 390   char *text;
 391 } scroll_delays_list[] =
 392 {
 393   {     0,      "0 Tiles (No Scroll Delay)"     },
 394   {     1,      "1 Tile"                        },
 395   {     2,      "2 Tiles"                       },
 396   {     3,      "3 Tiles (Default)"             },
 397   {     4,      "4 Tiles"                       },
 398   {     5,      "5 Tiles"                       },
 399   {     6,      "6 Tiles"                       },
 400   {     7,      "7 Tiles"                       },
 401   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 402
 403   {     -1,     NULL                            },
 404 };
 405
 406 static struct
 407 {
 408   char *value;
 409   char *text;
 410 } snapshot_modes_list[] =
 411 {
 412   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 413   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 414   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 415   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 416
 417   {     NULL,                                   NULL            },
 418 };
 419
 420 static struct
 421 {
 422   int value;
 423   char *text;
 424 } volumes_list[] =
 425 {
 426   {     0,      "0 %"                           },
 427   {     1,      "1 %"                           },
 428   {     2,      "2 %"                           },
 429   {     5,      "5 %"                           },
 430   {     10,     "10 %"                          },
 431   {     20,     "20 %"                          },
 432   {     30,     "30 %"                          },
 433   {     40,     "40 %"                          },
 434   {     50,     "50 %"                          },
 435   {     60,     "60 %"                          },
 436   {     70,     "70 %"                          },
 437   {     80,     "80 %"                          },
 438   {     90,     "90 %"                          },
 439   {     100,    "100 %"                         },
 440
 441   {     -1,     NULL                            },
 442 };
 443
 444 static struct
 445 {
 446   char *value;
 447   char *text;
 448 } touch_controls_list[] =
 449 {
 450   {     TOUCH_CONTROL_OFF,              "Off"                   },
 451   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 452   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 453   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 454
 455   {     NULL,                           NULL                    },
 456 };
 457
 458 static struct
 459 {
 460   int value;
 461   char *text;
 462 } distances_list[] =
 463 {
 464   {     1,      "1 %"                           },
 465   {     2,      "2 %"                           },
 466   {     3,      "3 %"                           },
 467   {     4,      "4 %"                           },
 468   {     5,      "5 %"                           },
 469   {     10,     "10 %"                          },
 470   {     15,     "15 %"                          },
 471   {     20,     "20 %"                          },
 472   {     25,     "25 %"                          },
 473
 474   {     -1,     NULL                            },
 475 };
 476
 477 static struct
 478 {
 479   int value;
 480   char *text;
 481 } transparencies_list[] =
 482 {
 483   {     0,      "0 % (Opaque)"                  },
 484   {     10,     "10 %"                          },
 485   {     20,     "20 %"                          },
 486   {     30,     "30 %"                          },
 487   {     40,     "40 %"                          },
 488   {     50,     "50 %"                          },
 489   {     60,     "60 %"                          },
 490   {     70,     "70 %"                          },
 491   {     80,     "80 %"                          },
 492   {     90,     "90 %"                          },
 493   {     100,    "100 % (Invisible)"             },
 494
 495   {     -1,     NULL                            },
 496 };
 497
 498 static struct
 499 {
 500   int value;
 501   char *text;
 502 } grid_sizes_list[] =
 503 {
 504   {     3,      "3"                             },
 505   {     4,      "4"                             },
 506   {     5,      "5"                             },
 507   {     6,      "6"                             },
 508   {     7,      "7"                             },
 509   {     8,      "8"                             },
 510   {     9,      "9"                             },
 511   {     10,     "10"                            },
 512   {     11,     "11"                            },
 513   {     12,     "12"                            },
 514   {     13,     "13"                            },
 515   {     14,     "14"                            },
 516   {     15,     "15"                            },
 517   {     16,     "16"                            },
 518   {     17,     "17"                            },
 519   {     18,     "18"                            },
 520   {     19,     "19"                            },
 521   {     20,     "20"                            },
 522   {     21,     "21"                            },
 523   {     22,     "22"                            },
 524   {     23,     "23"                            },
 525   {     24,     "24"                            },
 526   {     25,     "25"                            },
 527   {     26,     "26"                            },
 528   {     27,     "27"                            },
 529   {     28,     "28"                            },
 530   {     29,     "29"                            },
 531   {     30,     "30"                            },
 532   {     31,     "31"                            },
 533   {     32,     "32"                            },
 534
 535   {     -1,     NULL                            },
 536 };
 537
 538 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 539                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 540                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 541                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 542
 543 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 544 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 545                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 546                                  INFO_MODE_MAIN)
 547
 548 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 549                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 550                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 551                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 552                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 553                                  SETUP_MODE_CHOOSE_OTHER)
 554
 555 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 556                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 557                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 558 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 559                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 560                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 561 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 562                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 563                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 564
 565 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 566                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 567                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 568 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 569                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 570                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 571 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 572                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 573                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 574
 575 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 576                                  DRAW_XOFFSET_INFO(info_mode) :         \
 577                                  (s) == GAME_MODE_SETUP ?               \
 578                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 579                                  menu.draw_xoffset[DRAW_MODE(s)])
 580 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 581                                  DRAW_YOFFSET_INFO(info_mode) :         \
 582                                  (s) == GAME_MODE_SETUP ?               \
 583                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 584                                  menu.draw_yoffset[DRAW_MODE(s)])
 585 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 586                                  EXTRA_SPACING_INFO(info_mode) :        \
 587                                  (s) == GAME_MODE_SETUP ?               \
 588                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 589                                  menu.extra_spacing[DRAW_MODE(s)])
 590
 591 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 592 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 593
 594 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 595                                     menu.list_size[game_status] :       \
 596                                     MAX_MENU_ENTRIES_ON_SCREEN)
 597
 598 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 599                                          NUM_MENU_ENTRIES_ON_SCREEN)
 600
 601
 602 /* title display and control definitions */
 603
 604 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 605                                  2 * MAX_NUM_TITLE_MESSAGES)
 606
 607 #define NO_DIRECT_LEVEL_SELECT  (-1)
 608
 609
 610 static int num_title_screens = 0;
 611
 612 struct TitleControlInfo
 613 {
 614   boolean is_image;
 615   boolean initial;
 616   boolean first;
 617   int local_nr;
 618   int sort_priority;
 619 };
 620
 621 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 622
 623 /* main menu display and control definitions */
 624
 625 #define MAIN_CONTROL_NAME                       0
 626 #define MAIN_CONTROL_LEVELS                     1
 627 #define MAIN_CONTROL_SCORES                     2
 628 #define MAIN_CONTROL_EDITOR                     3
 629 #define MAIN_CONTROL_INFO                       4
 630 #define MAIN_CONTROL_GAME                       5
 631 #define MAIN_CONTROL_SETUP                      6
 632 #define MAIN_CONTROL_QUIT                       7
 633 #define MAIN_CONTROL_PREV_LEVEL                 8
 634 #define MAIN_CONTROL_NEXT_LEVEL                 9
 635 #define MAIN_CONTROL_FIRST_LEVEL                10
 636 #define MAIN_CONTROL_LAST_LEVEL                 11
 637 #define MAIN_CONTROL_LEVEL_NUMBER               12
 638 #define MAIN_CONTROL_LEVEL_INFO_1               13
 639 #define MAIN_CONTROL_LEVEL_INFO_2               14
 640 #define MAIN_CONTROL_LEVEL_NAME                 15
 641 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 642 #define MAIN_CONTROL_LEVEL_YEAR                 17
 643 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 644 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 645 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 646 #define MAIN_CONTROL_TITLE_1                    21
 647 #define MAIN_CONTROL_TITLE_2                    22
 648 #define MAIN_CONTROL_TITLE_3                    23
 649
 650 static char str_main_text_name[10];
 651 static char str_main_text_first_level[10];
 652 static char str_main_text_last_level[10];
 653 static char str_main_text_level_number[10];
 654
 655 static char *main_text_name                     = str_main_text_name;
 656 static char *main_text_first_level              = str_main_text_first_level;
 657 static char *main_text_last_level               = str_main_text_last_level;
 658 static char *main_text_level_number             = str_main_text_level_number;
 659 static char *main_text_levels                   = "Levelset";
 660 static char *main_text_scores                   = "Hall Of Fame";
 661 static char *main_text_editor                   = "Level Creator";
 662 static char *main_text_info                     = "Info Screen";
 663 static char *main_text_game                     = "Start Game";
 664 static char *main_text_setup                    = "Setup";
 665 static char *main_text_quit                     = "Quit";
 666 static char *main_text_level_name               = level.name;
 667 static char *main_text_level_author             = level.author;
 668 static char *main_text_level_year               = NULL;
 669 static char *main_text_level_imported_from      = NULL;
 670 static char *main_text_level_imported_by        = NULL;
 671 static char *main_text_level_tested_by          = NULL;
 672 static char *main_text_title_1                  = NULL;
 673 static char *main_text_title_2                  = NULL;
 674 static char *main_text_title_3                  = NULL;
 675
 676 struct MainControlInfo
 677 {
 678   int nr;
 679
 680   struct MenuPosInfo *pos_button;
 681   int button_graphic;
 682
 683   struct TextPosInfo *pos_text;
 684   char **text;
 685
 686   struct TextPosInfo *pos_input;
 687   char **input;
 688 };
 689
 690 static struct MainControlInfo main_controls[] =
 691 {
 692   {
 693     MAIN_CONTROL_NAME,
 694     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 695     &menu.main.text.name,               &main_text_name,
 696     &menu.main.input.name,              &setup.player_name,
 697   },
 698   {
 699     MAIN_CONTROL_LEVELS,
 700     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 701     &menu.main.text.levels,             &main_text_levels,
 702     NULL,                               NULL,
 703   },
 704   {
 705     MAIN_CONTROL_SCORES,
 706     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 707     &menu.main.text.scores,             &main_text_scores,
 708     NULL,                               NULL,
 709   },
 710   {
 711     MAIN_CONTROL_EDITOR,
 712     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 713     &menu.main.text.editor,             &main_text_editor,
 714     NULL,                               NULL,
 715   },
 716   {
 717     MAIN_CONTROL_INFO,
 718     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 719     &menu.main.text.info,               &main_text_info,
 720     NULL,                               NULL,
 721   },
 722   {
 723     MAIN_CONTROL_GAME,
 724     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 725     &menu.main.text.game,               &main_text_game,
 726     NULL,                               NULL,
 727   },
 728   {
 729     MAIN_CONTROL_SETUP,
 730     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 731     &menu.main.text.setup,              &main_text_setup,
 732     NULL,                               NULL,
 733   },
 734   {
 735     MAIN_CONTROL_QUIT,
 736     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 737     &menu.main.text.quit,               &main_text_quit,
 738     NULL,                               NULL,
 739   },
 740 #if 0
 741   /* (these two buttons are real gadgets) */
 742   {
 743     MAIN_CONTROL_PREV_LEVEL,
 744     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 745     NULL,                               NULL,
 746     NULL,                               NULL,
 747   },
 748   {
 749     MAIN_CONTROL_NEXT_LEVEL,
 750     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 751     NULL,                               NULL,
 752     NULL,                               NULL,
 753   },
 754 #endif
 755   {
 756     MAIN_CONTROL_FIRST_LEVEL,
 757     &menu.main.button.first_level,      IMG_MENU_BUTTON_FIRST_LEVEL,
 758     &menu.main.text.first_level,        &main_text_first_level,
 759     NULL,                               NULL,
 760   },
 761   {
 762     MAIN_CONTROL_LAST_LEVEL,
 763     &menu.main.button.last_level,       IMG_MENU_BUTTON_LAST_LEVEL,
 764     &menu.main.text.last_level,         &main_text_last_level,
 765     NULL,                               NULL,
 766   },
 767   {
 768     MAIN_CONTROL_LEVEL_NUMBER,
 769     &menu.main.button.level_number,     IMG_MENU_BUTTON_LEVEL_NUMBER,
 770     &menu.main.text.level_number,       &main_text_level_number,
 771     NULL,                               NULL,
 772   },
 773   {
 774     MAIN_CONTROL_LEVEL_INFO_1,
 775     NULL,                               -1,
 776     &menu.main.text.level_info_1,       NULL,
 777     NULL,                               NULL,
 778   },
 779   {
 780     MAIN_CONTROL_LEVEL_INFO_2,
 781     NULL,                               -1,
 782     &menu.main.text.level_info_2,       NULL,
 783     NULL,                               NULL,
 784   },
 785   {
 786     MAIN_CONTROL_LEVEL_NAME,
 787     NULL,                               -1,
 788     &menu.main.text.level_name,         &main_text_level_name,
 789     NULL,                               NULL,
 790   },
 791   {
 792     MAIN_CONTROL_LEVEL_AUTHOR,
 793     NULL,                               -1,
 794     &menu.main.text.level_author,       &main_text_level_author,
 795     NULL,                               NULL,
 796   },
 797   {
 798     MAIN_CONTROL_LEVEL_YEAR,
 799     NULL,                               -1,
 800     &menu.main.text.level_year,         &main_text_level_year,
 801     NULL,                               NULL,
 802   },
 803   {
 804     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 805     NULL,                               -1,
 806     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 807     NULL,                               NULL,
 808   },
 809   {
 810     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 811     NULL,                               -1,
 812     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 813     NULL,                               NULL,
 814   },
 815   {
 816     MAIN_CONTROL_LEVEL_TESTED_BY,
 817     NULL,                               -1,
 818     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 819     NULL,                               NULL,
 820   },
 821   {
 822     MAIN_CONTROL_TITLE_1,
 823     NULL,                               -1,
 824     &menu.main.text.title_1,            &main_text_title_1,
 825     NULL,                               NULL,
 826   },
 827   {
 828     MAIN_CONTROL_TITLE_2,
 829     NULL,                               -1,
 830     &menu.main.text.title_2,            &main_text_title_2,
 831     NULL,                               NULL,
 832   },
 833   {
 834     MAIN_CONTROL_TITLE_3,
 835     NULL,                               -1,
 836     &menu.main.text.title_3,            &main_text_title_3,
 837     NULL,                               NULL,
 838   },
 839
 840   {
 841     -1,
 842     NULL,                               -1,
 843     NULL,                               NULL,
 844     NULL,                               NULL,
 845   }
 846 };
 847
 848
 849 static int getTitleScreenGraphic(int nr, boolean initial)
 850 {
 851   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 852 }
 853
 854 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 855 {
 856   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 857 }
 858
 859 #if 0
 860 static int getTitleScreenGameMode(boolean initial)
 861 {
 862   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 863 }
 864 #endif
 865
 866 static int getTitleMessageGameMode(boolean initial)
 867 {
 868   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 869 }
 870
 871 static int getTitleAnimMode(struct TitleControlInfo *tci)
 872 {
 873   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 874
 875   return base + tci->local_nr;
 876 }
 877
 878 #if 0
 879 static int getTitleScreenBackground(boolean initial)
 880 {
 881   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 882 }
 883 #endif
 884
 885 #if 0
 886 static int getTitleMessageBackground(int nr, boolean initial)
 887 {
 888   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 889 }
 890 #endif
 891
 892 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 893 {
 894   int base = (is_image ?
 895               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 896                          IMG_BACKGROUND_TITLESCREEN_1) :
 897               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 898                          IMG_BACKGROUND_TITLEMESSAGE_1));
 899   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 900                                   IMG_BACKGROUND_TITLE);
 901   int graphic_local = base + nr;
 902
 903   if (graphic_info[graphic_local].bitmap != NULL)
 904     return graphic_local;
 905
 906   if (graphic_info[graphic_global].bitmap != NULL)
 907     return graphic_global;
 908
 909   return IMG_UNDEFINED;
 910 }
 911
 912 static int getTitleSound(struct TitleControlInfo *tci)
 913 {
 914   boolean is_image = tci->is_image;
 915   int initial = tci->initial;
 916   int nr = tci->local_nr;
 917   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 918   int base = (is_image ?
 919               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 920                          SND_BACKGROUND_TITLESCREEN_1) :
 921               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 922                          SND_BACKGROUND_TITLEMESSAGE_1));
 923   int sound_global = menu.sound[mode];
 924   int sound_local = base + nr;
 925
 926 #if 0
 927   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 928          nr, initial, is_image,
 929          sound_global, getSoundListEntry(sound_global)->filename,
 930          sound_local, getSoundListEntry(sound_local)->filename);
 931 #endif
 932
 933   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 934     return sound_local;
 935
 936   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 937     return sound_global;
 938
 939   return SND_UNDEFINED;
 940 }
 941
 942 static int getTitleMusic(struct TitleControlInfo *tci)
 943 {
 944   boolean is_image = tci->is_image;
 945   int initial = tci->initial;
 946   int nr = tci->local_nr;
 947   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 948   int base = (is_image ?
 949               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 950                          MUS_BACKGROUND_TITLESCREEN_1) :
 951               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 952                          MUS_BACKGROUND_TITLEMESSAGE_1));
 953   int music_global = menu.music[mode];
 954   int music_local = base + nr;
 955
 956 #if 0
 957   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 958          nr, initial, is_image,
 959          music_global, getMusicListEntry(music_global)->filename,
 960          music_local, getMusicListEntry(music_local)->filename);
 961 #endif
 962
 963   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 964     return music_local;
 965
 966   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 967     return music_global;
 968
 969   return MUS_UNDEFINED;
 970 }
 971
 972 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 973 {
 974   boolean is_image = tci->is_image;
 975   boolean initial = tci->initial;
 976   boolean first = tci->first;
 977   int nr = tci->local_nr;
 978   struct TitleMessageInfo tmi;
 979   struct TitleFadingInfo ti;
 980
 981   tmi = (is_image ? (initial ? (first ?
 982                                 titlescreen_initial_first[nr] :
 983                                 titlescreen_initial[nr])
 984                              : (first ?
 985                                 titlescreen_first[nr] :
 986                                 titlescreen[nr]))
 987                   : (initial ? (first ?
 988                                 titlemessage_initial_first[nr] :
 989                                 titlemessage_initial[nr])
 990                              : (first ?
 991                                 titlemessage_first[nr] :
 992                                 titlemessage[nr])));
 993
 994   ti.fade_mode  = tmi.fade_mode;
 995   ti.fade_delay = tmi.fade_delay;
 996   ti.post_delay = tmi.post_delay;
 997   ti.auto_delay = tmi.auto_delay;
 998
 999   return ti;
1000 }
1001
1002 static int compareTitleControlInfo(const void *object1, const void *object2)
1003 {
1004   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1005   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1006   int compare_result;
1007
1008   if (tci1->initial != tci2->initial)
1009     compare_result = (tci1->initial ? -1 : +1);
1010   else if (tci1->sort_priority != tci2->sort_priority)
1011     compare_result = tci1->sort_priority - tci2->sort_priority;
1012   else if (tci1->is_image != tci2->is_image)
1013     compare_result = (tci1->is_image ? -1 : +1);
1014   else
1015     compare_result = tci1->local_nr - tci2->local_nr;
1016
1017   return compare_result;
1018 }
1019
1020 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1021                                                     boolean initial,
1022                                                     int nr, int sort_priority)
1023 {
1024   title_controls[num_title_screens].is_image = is_image;
1025   title_controls[num_title_screens].initial = initial;
1026   title_controls[num_title_screens].local_nr = nr;
1027   title_controls[num_title_screens].sort_priority = sort_priority;
1028
1029   title_controls[num_title_screens].first = FALSE;      /* will be set later */
1030
1031   num_title_screens++;
1032 }
1033
1034 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1035 {
1036   int i;
1037
1038   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1039   {
1040     int graphic = getTitleScreenGraphic(i, initial);
1041     Bitmap *bitmap = graphic_info[graphic].bitmap;
1042     int sort_priority = graphic_info[graphic].sort_priority;
1043
1044     if (bitmap != NULL)
1045       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1046   }
1047
1048   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1049   {
1050     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1051     char *filename = getLevelSetTitleMessageFilename(i, initial);
1052     int sort_priority = tmi->sort_priority;
1053
1054     if (filename != NULL)
1055       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1056   }
1057 }
1058
1059 static void InitializeTitleControls(boolean show_title_initial)
1060 {
1061   num_title_screens = 0;
1062
1063   /* 1st step: initialize title screens for game start (only when starting) */
1064   if (show_title_initial)
1065     InitializeTitleControls_CheckTitleInfo(TRUE);
1066
1067   /* 2nd step: initialize title screens for current level set */
1068   InitializeTitleControls_CheckTitleInfo(FALSE);
1069
1070   /* sort title screens according to sort_priority and title number */
1071   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1072         compareTitleControlInfo);
1073
1074   /* mark first title screen */
1075   title_controls[0].first = TRUE;
1076 }
1077
1078 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1079 {
1080   return (pos != NULL && pos->x != -1 && pos->y != -1);
1081 }
1082
1083 static boolean visibleTextPos(struct TextPosInfo *pos)
1084 {
1085   return (pos != NULL && pos->x != -1 && pos->y != -1);
1086 }
1087
1088 static void InitializeMainControls()
1089 {
1090   boolean local_team_mode = (!options.network && setup.team_mode);
1091   int i;
1092
1093   /* set main control text values to dynamically determined values */
1094   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1095
1096   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1097                                          menu.main.text.first_level.size));
1098   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1099                                          menu.main.text.last_level.size));
1100   strcpy(main_text_level_number, int2str(level_nr,
1101                                          menu.main.text.level_number.size));
1102
1103   main_text_level_year          = leveldir_current->year;
1104   main_text_level_imported_from = leveldir_current->imported_from;
1105   main_text_level_imported_by   = leveldir_current->imported_by;
1106   main_text_level_tested_by     = leveldir_current->tested_by;
1107
1108   main_text_title_1 = getConfigProgramTitleString();
1109   main_text_title_2 = getConfigProgramCopyrightString();
1110   main_text_title_3 = getConfigProgramCompanyString();
1111
1112   /* set main control screen positions to dynamically determined values */
1113   for (i = 0; main_controls[i].nr != -1; i++)
1114   {
1115     struct MainControlInfo *mci = &main_controls[i];
1116     int nr                         = mci->nr;
1117     struct MenuPosInfo *pos_button = mci->pos_button;
1118     struct TextPosInfo *pos_text   = mci->pos_text;
1119     struct TextPosInfo *pos_input  = mci->pos_input;
1120     char *text                     = (mci->text  ? *mci->text  : NULL);
1121     char *input                    = (mci->input ? *mci->input : NULL);
1122     int button_graphic             = mci->button_graphic;
1123     int font_text                  = (pos_text  ? pos_text->font  : -1);
1124     int font_input                 = (pos_input ? pos_input->font : -1);
1125
1126     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1127     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1128     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1129     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1130     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1131     int input_chars = (input != NULL ? strlen(input) : 0);
1132
1133     int button_width =
1134       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1135     int button_height =
1136       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1137     int text_width   = font_text_width * text_chars;
1138     int text_height  = font_text_height;
1139     int input_width  = font_input_width * input_chars;
1140     int input_height = font_input_height;
1141
1142     if (nr == MAIN_CONTROL_NAME)
1143     {
1144       menu.main.input.name.width  = input_width;
1145       menu.main.input.name.height = input_height;
1146     }
1147
1148     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
1149     {
1150       pos_button->width  = button_width;
1151       pos_button->height = button_height;
1152     }
1153
1154     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1155     {
1156       /* calculate text size -- needed for text alignment */
1157       boolean calculate_text_size = (text != NULL);
1158
1159       if (pos_text->width == -1 || calculate_text_size)
1160         pos_text->width = text_width;
1161       if (pos_text->height == -1 || calculate_text_size)
1162         pos_text->height = text_height;
1163
1164       if (visibleMenuPos(pos_button))
1165       {
1166         if (pos_text->x == -1)
1167           pos_text->x = pos_button->x + pos_button->width;
1168         if (pos_text->y == -1)
1169           pos_text->y =
1170             pos_button->y + (pos_button->height - pos_text->height) / 2;
1171       }
1172     }
1173
1174     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1175     {
1176       if (visibleTextPos(pos_text))
1177       {
1178         if (pos_input->x == -1)
1179           pos_input->x = pos_text->x + pos_text->width;
1180         if (pos_input->y == -1)
1181           pos_input->y = pos_text->y;
1182       }
1183
1184       if (pos_input->width == -1)
1185         pos_input->width = input_width;
1186       if (pos_input->height == -1)
1187         pos_input->height = input_height;
1188     }
1189   }
1190 }
1191
1192 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1193                                        int graphic, boolean pressed)
1194 {
1195   struct GraphicInfo *g = &graphic_info[graphic];
1196   Bitmap *src_bitmap;
1197   int src_x, src_y;
1198   int xoffset = (pressed ? g->pressed_xoffset : 0);
1199   int yoffset = (pressed ? g->pressed_yoffset : 0);
1200
1201   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1202
1203   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1204                    g->width, g->height, dst_x, dst_y);
1205 }
1206
1207 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1208                                        boolean active_input,
1209                                        boolean pressed_button)
1210 {
1211   int i;
1212
1213   for (i = 0; main_controls[i].nr != -1; i++)
1214   {
1215     struct MainControlInfo *mci = &main_controls[i];
1216
1217     if (mci->nr == nr || nr == -1)
1218     {
1219       struct MenuPosInfo *pos_button = mci->pos_button;
1220       struct TextPosInfo *pos_text   = mci->pos_text;
1221       struct TextPosInfo *pos_input  = mci->pos_input;
1222       char *text                     = (mci->text  ? *mci->text  : NULL);
1223       char *input                    = (mci->input ? *mci->input : NULL);
1224       int button_graphic             = mci->button_graphic;
1225       int font_text                  = (pos_text  ? pos_text->font  : -1);
1226       int font_input                 = (pos_input ? pos_input->font : -1);
1227
1228       if (active_text)
1229       {
1230         button_graphic = BUTTON_ACTIVE(button_graphic);
1231         font_text = FONT_ACTIVE(font_text);
1232       }
1233
1234       if (active_input)
1235       {
1236         font_input = FONT_ACTIVE(font_input);
1237       }
1238
1239       if (visibleMenuPos(pos_button))
1240       {
1241         struct MenuPosInfo *pos = pos_button;
1242         int x = mSX + pos->x;
1243         int y = mSY + pos->y;
1244
1245         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1246         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1247       }
1248
1249       if (visibleTextPos(pos_text) && text != NULL)
1250       {
1251         struct TextPosInfo *pos = pos_text;
1252         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1253         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1254
1255 #if 1
1256         /* (check why/if this is needed) */
1257         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1258 #endif
1259         DrawText(x, y, text, font_text);
1260       }
1261
1262       if (visibleTextPos(pos_input) && input != NULL)
1263       {
1264         struct TextPosInfo *pos = pos_input;
1265         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1266         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1267
1268 #if 1
1269         /* (check why/if this is needed) */
1270         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1271 #endif
1272         DrawText(x, y, input, font_input);
1273       }
1274     }
1275   }
1276 }
1277
1278 static void DrawCursorAndText_Main(int nr, boolean active_text,
1279                                    boolean pressed_button)
1280 {
1281   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1282 }
1283
1284 #if 0
1285 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1286                                          boolean pressed_button)
1287 {
1288   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1289 }
1290 #endif
1291
1292 static struct MainControlInfo *getMainControlInfo(int nr)
1293 {
1294   int i;
1295
1296   for (i = 0; main_controls[i].nr != -1; i++)
1297     if (main_controls[i].nr == nr)
1298       return &main_controls[i];
1299
1300   return NULL;
1301 }
1302
1303 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1304 {
1305   if (rect == NULL)
1306     return FALSE;
1307
1308   int rect_x = ALIGNED_TEXT_XPOS(rect);
1309   int rect_y = ALIGNED_TEXT_YPOS(rect);
1310
1311   return (x >= rect_x && x < rect_x + rect->width &&
1312           y >= rect_y && y < rect_y + rect->height);
1313 }
1314
1315 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1316 {
1317   if (rect == NULL)
1318     return FALSE;
1319
1320   int rect_x = ALIGNED_TEXT_XPOS(rect);
1321   int rect_y = ALIGNED_TEXT_YPOS(rect);
1322
1323 #if 0
1324   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1325          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1326          (x >= rect_x && x < rect_x + rect->width &&
1327           y >= rect_y && y < rect_y + rect->height));
1328 #endif
1329
1330   return (x >= rect_x && x < rect_x + rect->width &&
1331           y >= rect_y && y < rect_y + rect->height);
1332 }
1333
1334 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1335 {
1336   int rect_width  = preview->xsize * preview->tile_size;
1337   int rect_height = preview->ysize * preview->tile_size;
1338   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1339   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1340
1341   return (x >= rect_x && x < rect_x + rect_width &&
1342           y >= rect_y && y < rect_y + rect_height);
1343 }
1344
1345 static void AdjustScrollbar(int id, int items_max, int items_visible,
1346                             int item_position)
1347 {
1348   struct GadgetInfo *gi = screen_gadget[id];
1349
1350   if (item_position > items_max - items_visible)
1351     item_position = items_max - items_visible;
1352
1353   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1354                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1355                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1356 }
1357
1358 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1359 {
1360   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1361                   first_entry);
1362 }
1363
1364 static void clearMenuListArea()
1365 {
1366   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1367
1368   /* correct scrollbar position if placed outside menu (playfield) area */
1369   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1370     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1371
1372   /* clear menu list area, but not title or scrollbar */
1373   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1374                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1375 }
1376
1377 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1378 {
1379   static int cursor_array[MAX_LEV_FIELDY];
1380   int x = mSX + TILEX * xpos;
1381   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1382
1383   if (xpos == 0)
1384   {
1385     if (graphic != -1)
1386       cursor_array[ypos] = graphic;
1387     else
1388       graphic = cursor_array[ypos];
1389   }
1390
1391   if (active)
1392     graphic = BUTTON_ACTIVE(graphic);
1393
1394   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1395   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1396 }
1397
1398 static void initCursor(int ypos, int graphic)
1399 {
1400   drawCursorExt(0, ypos, FALSE, graphic);
1401 }
1402
1403 static void drawCursor(int ypos, boolean active)
1404 {
1405   drawCursorExt(0, ypos, active, -1);
1406 }
1407
1408 static void drawCursorXY(int xpos, int ypos, int graphic)
1409 {
1410   drawCursorExt(xpos, ypos, FALSE, graphic);
1411 }
1412
1413 static void drawChooseTreeCursor(int ypos, boolean active)
1414 {
1415   drawCursorExt(0, ypos, active, -1);
1416 }
1417
1418 void DrawHeadline()
1419 {
1420   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1421   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1422 }
1423
1424 void DrawTitleScreenImage(int nr, boolean initial)
1425 {
1426   int graphic = getTitleScreenGraphic(nr, initial);
1427   Bitmap *bitmap = graphic_info[graphic].bitmap;
1428   int width  = graphic_info[graphic].width;
1429   int height = graphic_info[graphic].height;
1430   int src_x = graphic_info[graphic].src_x;
1431   int src_y = graphic_info[graphic].src_y;
1432   int dst_x, dst_y;
1433
1434   if (bitmap == NULL)
1435     return;
1436
1437   if (width > WIN_XSIZE)
1438   {
1439     /* image width too large for window => center image horizontally */
1440     src_x = (width - WIN_XSIZE) / 2;
1441     width = WIN_XSIZE;
1442   }
1443
1444   if (height > WIN_YSIZE)
1445   {
1446     /* image height too large for window => center image vertically */
1447     src_y = (height - WIN_YSIZE) / 2;
1448     height = WIN_YSIZE;
1449   }
1450
1451   /* always display title screens centered */
1452   dst_x = (WIN_XSIZE - width) / 2;
1453   dst_y = (WIN_YSIZE - height) / 2;
1454
1455   SetDrawBackgroundMask(REDRAW_ALL);
1456   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1457
1458   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1459
1460   if (DrawingOnBackground(dst_x, dst_y))
1461     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1462   else
1463     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1464
1465   redraw_mask = REDRAW_ALL;
1466 }
1467
1468 void DrawTitleScreenMessage(int nr, boolean initial)
1469 {
1470   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1471   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1472
1473   if (filename == NULL)
1474     return;
1475
1476   /* force TITLE font on title message screen */
1477   SetFontStatus(getTitleMessageGameMode(initial));
1478
1479   /* if chars *and* width set to "-1", automatically determine width */
1480   if (tmi->chars == -1 && tmi->width == -1)
1481     tmi->width = viewport.window[game_status].width;
1482
1483   /* if lines *and* height set to "-1", automatically determine height */
1484   if (tmi->lines == -1 && tmi->height == -1)
1485     tmi->height = viewport.window[game_status].height;
1486
1487   /* if chars set to "-1", automatically determine by text and font width */
1488   if (tmi->chars == -1)
1489     tmi->chars = tmi->width / getFontWidth(tmi->font);
1490   else
1491     tmi->width = tmi->chars * getFontWidth(tmi->font);
1492
1493   /* if lines set to "-1", automatically determine by text and font height */
1494   if (tmi->lines == -1)
1495     tmi->lines = tmi->height / getFontHeight(tmi->font);
1496   else
1497     tmi->height = tmi->lines * getFontHeight(tmi->font);
1498
1499   /* if x set to "-1", automatically determine by width and alignment */
1500   if (tmi->x == -1)
1501     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1502
1503   /* if y set to "-1", automatically determine by height and alignment */
1504   if (tmi->y == -1)
1505     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1506
1507   SetDrawBackgroundMask(REDRAW_ALL);
1508   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1509
1510   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1511
1512   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1513                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1514                tmi->autowrap, tmi->centered, tmi->parse_comments);
1515
1516   ResetFontStatus();
1517 }
1518
1519 void DrawTitleScreen()
1520 {
1521   KeyboardAutoRepeatOff();
1522
1523   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1524 }
1525
1526 boolean CheckTitleScreen(boolean levelset_has_changed)
1527 {
1528   static boolean show_title_initial = TRUE;
1529   boolean show_titlescreen = FALSE;
1530
1531   /* needed to be able to skip title screen, if no image or message defined */
1532   InitializeTitleControls(show_title_initial);
1533
1534   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1535     show_titlescreen = TRUE;
1536
1537   /* show initial title images and messages only once at program start */
1538   show_title_initial = FALSE;
1539
1540   return (show_titlescreen && num_title_screens > 0);
1541 }
1542
1543 void DrawMainMenu()
1544 {
1545   static LevelDirTree *leveldir_last_valid = NULL;
1546   boolean levelset_has_changed = FALSE;
1547   int fade_mask = REDRAW_FIELD;
1548
1549   LimitScreenUpdates(FALSE);
1550
1551   FadeSetLeaveScreen();
1552
1553   /* do not fade out here -- function may continue and fade on editor screen */
1554
1555   UnmapAllGadgets();
1556   FadeMenuSoundsAndMusic();
1557
1558   ExpireSoundLoops(FALSE);
1559
1560   KeyboardAutoRepeatOn();
1561
1562   audio.sound_deactivated = FALSE;
1563
1564   GetPlayerConfig();
1565
1566   /* needed if last screen was the playing screen, invoked from level editor */
1567   if (level_editor_test_game)
1568   {
1569     CloseDoor(DOOR_CLOSE_ALL);
1570
1571     SetGameStatus(GAME_MODE_EDITOR);
1572
1573     DrawLevelEd();
1574
1575     return;
1576   }
1577
1578   /* needed if last screen was the setup screen and fullscreen state changed */
1579   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1580   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1581
1582   /* leveldir_current may be invalid (level group, parent link) */
1583   if (!validLevelSeries(leveldir_current))
1584     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1585
1586   if (leveldir_current != leveldir_last_valid)
1587     levelset_has_changed = TRUE;
1588
1589   /* store valid level series information */
1590   leveldir_last_valid = leveldir_current;
1591
1592   init_last = init;                     /* switch to new busy animation */
1593
1594   /* needed if last screen (level choice) changed graphics, sounds or music */
1595   ReloadCustomArtwork(0);
1596
1597   if (CheckTitleScreen(levelset_has_changed))
1598   {
1599     SetGameStatus(GAME_MODE_TITLE);
1600
1601     DrawTitleScreen();
1602
1603     return;
1604   }
1605
1606   if (redraw_mask & REDRAW_ALL)
1607     fade_mask = REDRAW_ALL;
1608
1609   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
1610     fade_mask = REDRAW_ALL;
1611
1612   FadeOut(fade_mask);
1613
1614   /* needed if different viewport properties defined for menues */
1615   ChangeViewportPropertiesIfNeeded();
1616
1617   SetDrawtoField(DRAW_TO_BACKBUFFER);
1618
1619   /* level_nr may have been set to value over handicap with level editor */
1620   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1621     level_nr = leveldir_current->handicap_level;
1622
1623   LoadLevel(level_nr);
1624   LoadScore(level_nr);
1625
1626   SaveLevelSetup_SeriesInfo();
1627
1628   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1629   SetDrawDeactivationMask(REDRAW_NONE);
1630   SetDrawBackgroundMask(REDRAW_FIELD);
1631
1632   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1633
1634 #if 0
1635   if (fade_mask == REDRAW_ALL)
1636     RedrawGlobalBorder();
1637 #endif
1638
1639   ClearField();
1640
1641   InitializeMainControls();
1642
1643   DrawCursorAndText_Main(-1, FALSE, FALSE);
1644   DrawPreviewLevelInitial();
1645
1646   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1647
1648   TapeStop();
1649   if (TAPE_IS_EMPTY(tape))
1650     LoadTape(level_nr);
1651   DrawCompleteVideoDisplay();
1652
1653   PlayMenuSoundsAndMusic();
1654
1655   /* create gadgets for main menu screen */
1656   FreeScreenGadgets();
1657   CreateScreenGadgets();
1658
1659   /* may be required if audio buttons shown on tape and changed in setup menu */
1660   FreeGameButtons();
1661   CreateGameButtons();
1662
1663   /* map gadgets for main menu screen */
1664   MapTapeButtons();
1665   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1666   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1667
1668   /* copy actual game door content to door double buffer for OpenDoor() */
1669   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1670   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1671
1672   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1673
1674   DrawMaskedBorder(fade_mask);
1675
1676   FadeIn(fade_mask);
1677   FadeSetEnterMenu();
1678
1679   /* update screen area with special editor door */
1680   redraw_mask |= REDRAW_ALL;
1681   BackToFront();
1682
1683   SetMouseCursor(CURSOR_DEFAULT);
1684
1685   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1686 }
1687
1688 static void gotoTopLevelDir()
1689 {
1690   /* move upwards until inside (but not above) top level directory */
1691   while (leveldir_current->node_parent &&
1692          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1693   {
1694     /* write a "path" into level tree for easy navigation to last level */
1695     if (leveldir_current->node_parent->node_group->cl_first == -1)
1696     {
1697       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1698       int leveldir_pos = posTreeInfo(leveldir_current);
1699       int num_page_entries;
1700       int cl_first, cl_cursor;
1701
1702       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1703         num_page_entries = num_leveldirs;
1704       else
1705         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1706
1707       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1708       cl_cursor = leveldir_pos - cl_first;
1709
1710       leveldir_current->node_parent->node_group->cl_first = cl_first;
1711       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1712     }
1713
1714     leveldir_current = leveldir_current->node_parent;
1715   }
1716 }
1717
1718 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1719 {
1720   static unsigned int title_delay = 0;
1721   static int title_screen_nr = 0;
1722   static int last_sound = -1, last_music = -1;
1723   boolean return_to_main_menu = FALSE;
1724   struct TitleControlInfo *tci;
1725   int sound, music;
1726
1727   if (button == MB_MENU_INITIALIZE)
1728   {
1729     title_delay = 0;
1730     title_screen_nr = 0;
1731     tci = &title_controls[title_screen_nr];
1732
1733     SetAnimStatus(getTitleAnimMode(tci));
1734
1735     last_sound = SND_UNDEFINED;
1736     last_music = MUS_UNDEFINED;
1737
1738     if (num_title_screens != 0)
1739     {
1740       FadeSetEnterScreen();
1741
1742       /* use individual title fading instead of global "enter screen" fading */
1743       fading = getTitleFading(tci);
1744     }
1745
1746     if (game_status_last_screen == GAME_MODE_INFO)
1747     {
1748       if (num_title_screens == 0)
1749       {
1750         /* switch game mode from title screen mode back to info screen mode */
1751         SetGameStatus(GAME_MODE_INFO);
1752
1753         /* store that last screen was info screen, not main menu screen */
1754         game_status_last_screen = GAME_MODE_INFO;
1755
1756         DrawInfoScreen_NotAvailable("Title screen information:",
1757                                     "No title screen for this level set.");
1758         return;
1759       }
1760
1761       FadeMenuSoundsAndMusic();
1762     }
1763
1764     FadeOut(REDRAW_ALL);
1765
1766     /* title screens may have different window size */
1767     ChangeViewportPropertiesIfNeeded();
1768
1769     /* only required to update logic for redrawing global border */
1770     ClearField();
1771
1772     if (tci->is_image)
1773       DrawTitleScreenImage(tci->local_nr, tci->initial);
1774     else
1775       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1776
1777     sound = getTitleSound(tci);
1778     music = getTitleMusic(tci);
1779
1780     if (sound != last_sound)
1781       PlayMenuSoundExt(sound);
1782     if (music != last_music)
1783       PlayMenuMusicExt(music);
1784
1785     last_sound = sound;
1786     last_music = music;
1787
1788     SetMouseCursor(CURSOR_NONE);
1789
1790     FadeIn(REDRAW_ALL);
1791
1792     DelayReached(&title_delay, 0);      /* reset delay counter */
1793
1794     return;
1795   }
1796
1797   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1798     button = MB_MENU_CHOICE;
1799
1800   if (button == MB_MENU_LEAVE)
1801   {
1802     return_to_main_menu = TRUE;
1803   }
1804   else if (button == MB_MENU_CHOICE)
1805   {
1806     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1807     {
1808       SetGameStatus(GAME_MODE_INFO);
1809
1810       info_mode = INFO_MODE_MAIN;
1811
1812       DrawInfoScreen();
1813
1814       return;
1815     }
1816
1817     title_screen_nr++;
1818
1819     if (title_screen_nr < num_title_screens)
1820     {
1821       tci = &title_controls[title_screen_nr];
1822
1823       SetAnimStatus(getTitleAnimMode(tci));
1824
1825       sound = getTitleSound(tci);
1826       music = getTitleMusic(tci);
1827
1828       if (last_sound != SND_UNDEFINED && sound != last_sound)
1829         FadeSound(last_sound);
1830       if (last_music != MUS_UNDEFINED && music != last_music)
1831         FadeMusic();
1832
1833       fading = getTitleFading(tci);
1834
1835       FadeOut(REDRAW_ALL);
1836
1837       if (tci->is_image)
1838         DrawTitleScreenImage(tci->local_nr, tci->initial);
1839       else
1840         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1841
1842       sound = getTitleSound(tci);
1843       music = getTitleMusic(tci);
1844
1845       if (sound != last_sound)
1846         PlayMenuSoundExt(sound);
1847       if (music != last_music)
1848         PlayMenuMusicExt(music);
1849
1850       last_sound = sound;
1851       last_music = music;
1852
1853       FadeIn(REDRAW_ALL);
1854
1855       DelayReached(&title_delay, 0);    /* reset delay counter */
1856     }
1857     else
1858     {
1859       FadeMenuSoundsAndMusic();
1860
1861       return_to_main_menu = TRUE;
1862     }
1863   }
1864
1865   if (return_to_main_menu)
1866   {
1867     SetMouseCursor(CURSOR_DEFAULT);
1868
1869     /* force full menu screen redraw after displaying title screens */
1870     redraw_mask = REDRAW_ALL;
1871
1872     if (game_status_last_screen == GAME_MODE_INFO)
1873     {
1874       SetGameStatus(GAME_MODE_INFO);
1875
1876       info_mode = INFO_MODE_MAIN;
1877
1878       DrawInfoScreen();
1879     }
1880     else        /* default: return to main menu */
1881     {
1882       SetGameStatus(GAME_MODE_MAIN);
1883
1884       DrawMainMenu();
1885     }
1886   }
1887 }
1888
1889 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1890 {
1891   int old_level_nr = level_nr;
1892   int new_level_nr;
1893
1894   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1895     new_level_nr = selected_level_nr;
1896   else
1897     new_level_nr = old_level_nr + step * direction;
1898
1899   if (new_level_nr < leveldir_current->first_level)
1900     new_level_nr = leveldir_current->first_level;
1901   if (new_level_nr > leveldir_current->last_level)
1902     new_level_nr = leveldir_current->last_level;
1903
1904   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1905   {
1906     /* skipping levels is only allowed when trying to skip single level */
1907     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1908         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1909     {
1910       leveldir_current->handicap_level++;
1911       SaveLevelSetup_SeriesInfo();
1912     }
1913
1914     new_level_nr = leveldir_current->handicap_level;
1915   }
1916
1917   if (new_level_nr != old_level_nr)
1918   {
1919     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1920
1921     PlaySound(SND_MENU_ITEM_SELECTING);
1922
1923     level_nr = new_level_nr;
1924
1925     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1926              int2str(level_nr, menu.main.text.level_number.size),
1927              mci->pos_text->font);
1928
1929     LoadLevel(level_nr);
1930     DrawPreviewLevelInitial();
1931
1932     TapeErase();
1933     LoadTape(level_nr);
1934     DrawCompleteVideoDisplay();
1935
1936     SaveLevelSetup_SeriesInfo();
1937
1938     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1939
1940     /* needed because DrawPreviewLevelInitial() takes some time */
1941     BackToFront();
1942     /* SyncDisplay(); */
1943   }
1944 }
1945
1946 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1947 {
1948   static int choice = MAIN_CONTROL_GAME;
1949   static boolean button_pressed_last = FALSE;
1950   boolean button_pressed = FALSE;
1951   int pos = choice;
1952   int i;
1953
1954   if (button == MB_MENU_INITIALIZE)
1955   {
1956     DrawCursorAndText_Main(choice, TRUE, FALSE);
1957
1958     return;
1959   }
1960
1961   if (mx || my)         /* mouse input */
1962   {
1963     pos = -1;
1964
1965     for (i = 0; main_controls[i].nr != -1; i++)
1966     {
1967       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1968           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1969           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1970       {
1971         pos = main_controls[i].nr;
1972
1973         break;
1974       }
1975     }
1976
1977     /* check if level preview was clicked */
1978     if (insidePreviewRect(&preview, mx - SX, my - SY))
1979       pos = MAIN_CONTROL_GAME;
1980
1981     // handle pressed/unpressed state for active/inactive menu buttons
1982     // (if pos != -1, "i" contains index position corresponding to "pos")
1983     if (button &&
1984         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1985         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1986       button_pressed = TRUE;
1987
1988     if (button_pressed != button_pressed_last)
1989     {
1990       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1991
1992       if (button_pressed)
1993         PlaySound(SND_MENU_BUTTON_PRESSING);
1994       else
1995         PlaySound(SND_MENU_BUTTON_RELEASING);
1996     }
1997   }
1998   else if (dx || dy)    /* keyboard input */
1999   {
2000     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2001                    choice == MAIN_CONTROL_SETUP))
2002       button = MB_MENU_CHOICE;
2003     else if (dy)
2004       pos = choice + dy;
2005   }
2006
2007   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2008   {
2009     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2010   }
2011   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2012   {
2013     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2014   }
2015   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2016   {
2017     CloseDoor(DOOR_CLOSE_2);
2018
2019     SetGameStatus(GAME_MODE_LEVELNR);
2020
2021     DrawChooseLevelNr();
2022   }
2023   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2024   {
2025     if (button)
2026     {
2027       if (pos != choice)
2028       {
2029         PlaySound(SND_MENU_ITEM_ACTIVATING);
2030
2031         DrawCursorAndText_Main(choice, FALSE, FALSE);
2032         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2033
2034         choice = pos;
2035       }
2036       else if (dx != 0)
2037       {
2038         if (choice != MAIN_CONTROL_INFO &&
2039             choice != MAIN_CONTROL_SETUP)
2040           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2041       }
2042     }
2043     else
2044     {
2045       PlaySound(SND_MENU_ITEM_SELECTING);
2046
2047       if (pos == MAIN_CONTROL_NAME)
2048       {
2049         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2050
2051         HandleTypeName(strlen(setup.player_name), 0);
2052       }
2053       else if (pos == MAIN_CONTROL_LEVELS)
2054       {
2055         if (leveldir_first)
2056         {
2057           CloseDoor(DOOR_CLOSE_2);
2058
2059           SetGameStatus(GAME_MODE_LEVELS);
2060
2061           SaveLevelSetup_LastSeries();
2062           SaveLevelSetup_SeriesInfo();
2063
2064           if (setup.internal.choose_from_top_leveldir)
2065             gotoTopLevelDir();
2066
2067           DrawChooseLevelSet();
2068         }
2069       }
2070       else if (pos == MAIN_CONTROL_SCORES)
2071       {
2072         CloseDoor(DOOR_CLOSE_2);
2073
2074         SetGameStatus(GAME_MODE_SCORES);
2075
2076         DrawHallOfFame(-1);
2077       }
2078       else if (pos == MAIN_CONTROL_EDITOR)
2079       {
2080         if (leveldir_current->readonly &&
2081             !strEqual(setup.player_name, "Artsoft"))
2082           Request("This level is read only!", REQ_CONFIRM);
2083
2084         CloseDoor(DOOR_CLOSE_2);
2085
2086         SetGameStatus(GAME_MODE_EDITOR);
2087
2088         FadeSetEnterScreen();
2089
2090         DrawLevelEd();
2091       }
2092       else if (pos == MAIN_CONTROL_INFO)
2093       {
2094         CloseDoor(DOOR_CLOSE_2);
2095
2096         SetGameStatus(GAME_MODE_INFO);
2097
2098         info_mode = INFO_MODE_MAIN;
2099
2100         DrawInfoScreen();
2101       }
2102       else if (pos == MAIN_CONTROL_GAME)
2103       {
2104         StartGameActions(options.network, setup.autorecord, level.random_seed);
2105       }
2106       else if (pos == MAIN_CONTROL_SETUP)
2107       {
2108         CloseDoor(DOOR_CLOSE_2);
2109
2110         SetGameStatus(GAME_MODE_SETUP);
2111
2112         setup_mode = SETUP_MODE_MAIN;
2113
2114         DrawSetupScreen();
2115       }
2116       else if (pos == MAIN_CONTROL_QUIT)
2117       {
2118         SaveLevelSetup_LastSeries();
2119         SaveLevelSetup_SeriesInfo();
2120
2121         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2122           SetGameStatus(GAME_MODE_QUIT);
2123       }
2124     }
2125   }
2126
2127   button_pressed_last = button_pressed;
2128 }
2129
2130
2131 /* ========================================================================= */
2132 /* info screen functions                                                     */
2133 /* ========================================================================= */
2134
2135 static struct TokenInfo *info_info;
2136 static int num_info_info;       /* number of info entries shown on screen */
2137 static int max_info_info;       /* total number of info entries in list */
2138
2139 static void execInfoTitleScreen()
2140 {
2141   info_mode = INFO_MODE_TITLE;
2142
2143   DrawInfoScreen();
2144 }
2145
2146 static void execInfoElements()
2147 {
2148   info_mode = INFO_MODE_ELEMENTS;
2149
2150   DrawInfoScreen();
2151 }
2152
2153 static void execInfoMusic()
2154 {
2155   info_mode = INFO_MODE_MUSIC;
2156
2157   DrawInfoScreen();
2158 }
2159
2160 static void execInfoCredits()
2161 {
2162   info_mode = INFO_MODE_CREDITS;
2163
2164   DrawInfoScreen();
2165 }
2166
2167 static void execInfoProgram()
2168 {
2169   info_mode = INFO_MODE_PROGRAM;
2170
2171   DrawInfoScreen();
2172 }
2173
2174 static void execInfoVersion()
2175 {
2176   info_mode = INFO_MODE_VERSION;
2177
2178   DrawInfoScreen();
2179 }
2180
2181 static void execInfoLevelSet()
2182 {
2183   info_mode = INFO_MODE_LEVELSET;
2184
2185   DrawInfoScreen();
2186 }
2187
2188 static void execExitInfo()
2189 {
2190   SetGameStatus(GAME_MODE_MAIN);
2191
2192   DrawMainMenu();
2193 }
2194
2195 static struct TokenInfo info_info_main[] =
2196 {
2197   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2198   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2199   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2200   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2201   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2202   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2203   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2204   { TYPE_EMPTY,         NULL,                   ""                      },
2205   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2206
2207   { 0,                  NULL,                   NULL                    }
2208 };
2209
2210 static int getMenuTextFont(int type)
2211 {
2212   if (type & (TYPE_SWITCH       |
2213               TYPE_YES_NO       |
2214               TYPE_YES_NO_AUTO  |
2215               TYPE_STRING       |
2216               TYPE_ECS_AGA      |
2217               TYPE_KEYTEXT      |
2218               TYPE_ENTER_LIST))
2219     return FONT_MENU_2;
2220   else
2221     return FONT_MENU_1;
2222 }
2223
2224 static struct TokenInfo *setup_info;
2225 static struct TokenInfo setup_info_input[];
2226
2227 static struct TokenInfo *menu_info;
2228
2229 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2230                                        int screen_pos, int menu_info_pos_raw,
2231                                        boolean active)
2232 {
2233   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2234   struct TokenInfo *ti = &token_info[pos];
2235   int xpos = MENU_SCREEN_START_XPOS;
2236   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2237   int font_nr = getMenuTextFont(ti->type);
2238
2239   if (setup_mode == SETUP_MODE_INPUT)
2240     font_nr = FONT_MENU_1;
2241
2242   if (active)
2243     font_nr = FONT_ACTIVE(font_nr);
2244
2245   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2246
2247   if (ti->type & ~TYPE_SKIP_ENTRY)
2248     drawCursor(screen_pos, active);
2249 }
2250
2251 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2252                                    boolean active)
2253 {
2254   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2255 }
2256
2257 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2258                                     boolean active)
2259 {
2260   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2261 }
2262
2263 static char *window_size_text;
2264 static char *scaling_type_text;
2265
2266 static void drawSetupValue(int, int);
2267
2268 static void drawMenuInfoList(int first_entry, int num_page_entries,
2269                              int max_page_entries)
2270 {
2271   int i;
2272
2273   if (first_entry + num_page_entries > max_page_entries)
2274     first_entry = 0;
2275
2276   clearMenuListArea();
2277
2278   for (i = 0; i < num_page_entries; i++)
2279   {
2280     int menu_info_pos = first_entry + i;
2281     struct TokenInfo *si = &menu_info[menu_info_pos];
2282     void *value_ptr = si->value;
2283
2284     /* set some entries to "unchangeable" according to other variables */
2285     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2286         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2287         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2288         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2289         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2290         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2291       si->type |= TYPE_GHOSTED;
2292
2293     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2294       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2295     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2296       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2297     else if (si->type & ~TYPE_SKIP_ENTRY)
2298       initCursor(i, IMG_MENU_BUTTON);
2299
2300     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2301
2302     if (si->type & TYPE_VALUE &&
2303         menu_info == setup_info)
2304       drawSetupValue(i, menu_info_pos);
2305   }
2306 }
2307
2308 static void DrawInfoScreen_Main()
2309 {
2310   int fade_mask = REDRAW_FIELD;
2311   int i;
2312
2313   if (redraw_mask & REDRAW_ALL)
2314     fade_mask = REDRAW_ALL;
2315
2316   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
2317     fade_mask = REDRAW_ALL;
2318
2319   UnmapAllGadgets();
2320   FadeMenuSoundsAndMusic();
2321
2322   FreeScreenGadgets();
2323   CreateScreenGadgets();
2324
2325   /* (needed after displaying title screens which disable auto repeat) */
2326   KeyboardAutoRepeatOn();
2327
2328   FadeSetLeaveScreen();
2329
2330   FadeOut(fade_mask);
2331
2332   /* needed if different viewport properties defined for info screen */
2333   ChangeViewportPropertiesIfNeeded();
2334
2335   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2336
2337   ClearField();
2338
2339   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2340
2341   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2342
2343   info_info = info_info_main;
2344
2345   // determine maximal number of info entries that can be displayed on screen
2346   num_info_info = 0;
2347   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2348     num_info_info++;
2349
2350   // determine maximal number of info entries available for menu of info screen
2351   max_info_info = 0;
2352   for (i = 0; info_info[i].type != 0; i++)
2353     max_info_info++;
2354
2355   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2356
2357   MapScreenGadgets(max_info_info);
2358
2359   PlayMenuSoundsAndMusic();
2360
2361   DrawMaskedBorder(fade_mask);
2362
2363   FadeIn(fade_mask);
2364 }
2365
2366 static void changeSetupValue(int, int, int);
2367
2368 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2369                       int mode, int num_page_entries, int max_page_entries)
2370 {
2371   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2372   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2373   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2374   int *num_page_entries_last = num_page_entries_all_last[game_status];
2375   int *choice_store = choice_stores[game_status];
2376   int *first_entry_store = first_entry_stores[game_status];
2377   int choice = choice_store[mode];              /* starts with 0 */
2378   int first_entry = first_entry_store[mode];    /* starts with 0 */
2379   int x = 0;
2380   int y = choice - first_entry;
2381   int y_old = y;
2382   boolean position_set_by_scrollbar = (dx == 999);
2383   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2384   int i;
2385
2386   if (button == MB_MENU_INITIALIZE)
2387   {
2388     // check if number of menu page entries has changed (may happen by change
2389     // of custom artwork definition value for 'list_size' for this menu screen)
2390     // (in this case, the last menu position most probably has to be corrected)
2391     if (num_page_entries != num_page_entries_last[mode])
2392     {
2393       choice_store[mode] = first_entry_store[mode] = 0;
2394
2395       choice = first_entry = 0;
2396       y = y_old = 0;
2397
2398       num_page_entries_last[mode] = num_page_entries;
2399     }
2400
2401     /* advance to first valid menu entry */
2402     while (choice < num_page_entries &&
2403            menu_info[choice].type & TYPE_SKIP_ENTRY)
2404       choice++;
2405
2406     if (position_set_by_scrollbar)
2407       first_entry = first_entry_store[mode] = dy;
2408     else
2409       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2410                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2411
2412     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2413
2414     if (choice < first_entry)
2415     {
2416       choice = first_entry;
2417
2418       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2419         choice++;
2420     }
2421     else if (choice > first_entry + num_page_entries - 1)
2422     {
2423       choice = first_entry + num_page_entries - 1;
2424
2425       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2426         choice--;
2427     }
2428
2429     choice_store[mode] = choice;
2430
2431     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2432
2433     return;
2434   }
2435   else if (button == MB_MENU_LEAVE)
2436   {
2437     PlaySound(SND_MENU_ITEM_SELECTING);
2438
2439     for (i = 0; i < max_page_entries; i++)
2440     {
2441       if (menu_info[i].type & TYPE_LEAVE_MENU)
2442       {
2443         void (*menu_callback_function)(void) = menu_info[i].value;
2444
2445         FadeSetLeaveMenu();
2446
2447         menu_callback_function();
2448
2449         break;  /* absolutely needed because function changes 'menu_info'! */
2450       }
2451     }
2452
2453     return;
2454   }
2455
2456   if (mx || my)         /* mouse input */
2457   {
2458     x = (mx - mSX) / 32;
2459     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2460   }
2461   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2462   {
2463     /* move cursor instead of scrolling when already at start/end of list */
2464     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2465       dy = -1;
2466     else if (dy == +1 * SCROLL_LINE &&
2467              first_entry + num_page_entries == max_page_entries)
2468       dy = 1;
2469
2470     /* handle scrolling screen one line or page */
2471     if (y + dy < 0 ||
2472         y + dy > num_page_entries - 1)
2473     {
2474       boolean redraw = FALSE;
2475
2476       if (ABS(dy) == SCROLL_PAGE)
2477         step = num_page_entries - 1;
2478
2479       if (dy < 0 && first_entry > 0)
2480       {
2481         /* scroll page/line up */
2482
2483         first_entry -= step;
2484         if (first_entry < 0)
2485           first_entry = 0;
2486
2487         redraw = TRUE;
2488       }
2489       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2490       {
2491         /* scroll page/line down */
2492
2493         first_entry += step;
2494         if (first_entry + num_page_entries > max_page_entries)
2495           first_entry = MAX(0, max_page_entries - num_page_entries);
2496
2497         redraw = TRUE;
2498       }
2499
2500       if (redraw)
2501       {
2502         choice += first_entry - first_entry_store[mode];
2503
2504         if (choice < first_entry)
2505         {
2506           choice = first_entry;
2507
2508           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2509             choice++;
2510         }
2511         else if (choice > first_entry + num_page_entries - 1)
2512         {
2513           choice = first_entry + num_page_entries - 1;
2514
2515           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2516             choice--;
2517         }
2518         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2519         {
2520           choice += SIGN(dy);
2521
2522           if (choice < first_entry ||
2523               choice > first_entry + num_page_entries - 1)
2524           first_entry += SIGN(dy);
2525         }
2526
2527         first_entry_store[mode] = first_entry;
2528         choice_store[mode] = choice;
2529
2530         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2531
2532         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2533
2534         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2535                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2536       }
2537
2538       return;
2539     }
2540
2541     if (dx)
2542     {
2543       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2544
2545       if (menu_info[choice].type & menu_navigation_type ||
2546           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2547           menu_info[choice].type & TYPE_YES_NO_AUTO)
2548         button = MB_MENU_CHOICE;
2549     }
2550     else if (dy)
2551       y += dy;
2552
2553     /* jump to next non-empty menu entry (up or down) */
2554     while (first_entry + y > 0 &&
2555            first_entry + y < max_page_entries - 1 &&
2556            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2557       y += dy;
2558
2559     if (!IN_VIS_MENU(x, y))
2560     {
2561       choice += y - y_old;
2562
2563       if (choice < first_entry)
2564         first_entry = choice;
2565       else if (choice > first_entry + num_page_entries - 1)
2566         first_entry = choice - num_page_entries + 1;
2567
2568       if (first_entry >= 0 &&
2569           first_entry + num_page_entries <= max_page_entries)
2570       {
2571         first_entry_store[mode] = first_entry;
2572
2573         if (choice < first_entry)
2574           choice = first_entry;
2575         else if (choice > first_entry + num_page_entries - 1)
2576           choice = first_entry + num_page_entries - 1;
2577
2578         choice_store[mode] = choice;
2579
2580         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2581
2582         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2583
2584         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2585                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2586       }
2587
2588       return;
2589     }
2590   }
2591
2592   if (!anyScrollbarGadgetActive() &&
2593       IN_VIS_MENU(x, y) &&
2594       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2595       y >= 0 && y < num_page_entries)
2596   {
2597     if (button)
2598     {
2599       if (first_entry + y != choice &&
2600           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2601       {
2602         PlaySound(SND_MENU_ITEM_ACTIVATING);
2603
2604         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2605         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2606
2607         choice = choice_store[mode] = first_entry + y;
2608       }
2609       else if (dx < 0)
2610       {
2611         PlaySound(SND_MENU_ITEM_SELECTING);
2612
2613         for (i = 0; menu_info[i].type != 0; i++)
2614         {
2615           if (menu_info[i].type & TYPE_LEAVE_MENU)
2616           {
2617             void (*menu_callback_function)(void) = menu_info[i].value;
2618
2619             FadeSetLeaveMenu();
2620
2621             menu_callback_function();
2622
2623             /* absolutely needed because function changes 'menu_info'! */
2624             break;
2625           }
2626         }
2627
2628         return;
2629       }
2630     }
2631     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2632     {
2633       PlaySound(SND_MENU_ITEM_SELECTING);
2634
2635       /* when selecting key headline, execute function for key value change */
2636       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2637           menu_info[first_entry + y + 1].type & TYPE_KEY)
2638         y++;
2639
2640       /* when selecting string value, execute function for list selection */
2641       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2642           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2643         y--;
2644
2645       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2646       {
2647         void (*menu_callback_function)(void) =
2648           menu_info[first_entry + y].value;
2649
2650         FadeSetFromType(menu_info[first_entry + y].type);
2651
2652         menu_callback_function();
2653       }
2654       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2655                menu_info == setup_info)
2656       {
2657         changeSetupValue(y, first_entry + y, dx);
2658       }
2659     }
2660   }
2661 }
2662
2663 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2664 {
2665   menu_info = info_info;
2666
2667   HandleMenuScreen(mx, my, dx, dy, button,
2668                    info_mode, num_info_info, max_info_info);
2669 }
2670
2671 static int getMenuFontSpacing(int spacing_height, int font_nr)
2672 {
2673   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2674
2675   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2676           spacing_height);
2677 }
2678
2679 static int getMenuTextSpacing(int spacing_height, int font_nr)
2680 {
2681   return (getMenuFontSpacing(spacing_height, font_nr) +
2682           EXTRA_SPACING(game_status));
2683 }
2684
2685 static int getMenuTextStep(int spacing_height, int font_nr)
2686 {
2687   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2688 }
2689
2690 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2691 {
2692   int font_title = MENU_INFO_FONT_TITLE;
2693   int font_error = FONT_TEXT_2;
2694   int font_foot  = MENU_INFO_FONT_FOOT;
2695   int spacing_title = menu.headline1_spacing_info[info_mode];
2696   int ystep_title = getMenuTextStep(spacing_title, font_title);
2697   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2698   int ystart2 = ystart1 + ystep_title;
2699   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2700
2701   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2702
2703   FadeOut(REDRAW_FIELD);
2704
2705   ClearField();
2706   DrawHeadline();
2707
2708   DrawTextSCentered(ystart1, font_title, text_title);
2709   DrawTextSCentered(ystart2, font_error, text_error);
2710
2711   DrawTextSCentered(ybottom, font_foot,
2712                     "Press any key or button for info menu");
2713
2714   FadeIn(REDRAW_FIELD);
2715 }
2716
2717 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2718 {
2719   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2720   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2721   int font_title = MENU_INFO_FONT_TITLE;
2722   int font_foot  = MENU_INFO_FONT_FOOT;
2723   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2724   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2725   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2726   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2727   int ystep = MENU_SCREEN_INFO_YSTEP;
2728   int element, action, direction;
2729   int graphic;
2730   int delay;
2731   int sync_frame;
2732   int i, j;
2733
2734   if (init)
2735   {
2736     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2737       infoscreen_step[i] = infoscreen_frame[i] = 0;
2738
2739     ClearField();
2740     DrawHeadline();
2741
2742     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2743
2744     DrawTextSCentered(ybottom, font_foot,
2745                       "Press any key or button for next page");
2746
2747     FrameCounter = 0;
2748   }
2749
2750   i = j = 0;
2751   while (helpanim_info[j].element != HELPANIM_LIST_END)
2752   {
2753     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2754         i >= max_anims)
2755       break;
2756     else if (i < start)
2757     {
2758       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2759         j++;
2760
2761       j++;
2762       i++;
2763
2764       continue;
2765     }
2766
2767     j += infoscreen_step[i - start];
2768
2769     element = helpanim_info[j].element;
2770     action = helpanim_info[j].action;
2771     direction = helpanim_info[j].direction;
2772
2773     if (element < 0)
2774       element = EL_UNKNOWN;
2775
2776     if (action != -1 && direction != -1)
2777       graphic = el_act_dir2img(element, action, direction);
2778     else if (action != -1)
2779       graphic = el_act2img(element, action);
2780     else if (direction != -1)
2781       graphic = el_dir2img(element, direction);
2782     else
2783       graphic = el2img(element);
2784
2785     delay = helpanim_info[j++].delay;
2786
2787     if (delay == -1)
2788       delay = 1000000;
2789
2790     if (infoscreen_frame[i - start] == 0)
2791     {
2792       sync_frame = 0;
2793       infoscreen_frame[i - start] = delay - 1;
2794     }
2795     else
2796     {
2797       sync_frame = delay - infoscreen_frame[i - start];
2798       infoscreen_frame[i - start]--;
2799     }
2800
2801     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2802     {
2803       if (!infoscreen_frame[i - start])
2804         infoscreen_step[i - start] = 0;
2805     }
2806     else
2807     {
2808       if (!infoscreen_frame[i - start])
2809         infoscreen_step[i - start]++;
2810       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2811         j++;
2812     }
2813
2814     j++;
2815
2816     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2817                                TILEX, TILEY);
2818     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2819                                  graphic, sync_frame, USE_MASKING);
2820
2821     if (init)
2822       DrawInfoScreen_HelpText(element, action, direction, i - start);
2823
2824     i++;
2825   }
2826
2827   redraw_mask |= REDRAW_FIELD;
2828
2829   FrameCounter++;
2830 }
2831
2832 static char *getHelpText(int element, int action, int direction)
2833 {
2834   char token[MAX_LINE_LEN];
2835
2836   strcpy(token, element_info[element].token_name);
2837
2838   if (action != -1)
2839     strcat(token, element_action_info[action].suffix);
2840
2841   if (direction != -1)
2842     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2843
2844   return getHashEntry(helptext_info, token);
2845 }
2846
2847 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2848 {
2849   int font_nr = FONT_INFO_ELEMENTS;
2850   int font_width = getFontWidth(font_nr);
2851   int font_height = getFontHeight(font_nr);
2852   int yoffset = (TILEX - 2 * font_height) / 2;
2853   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2854   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2855   int ystep = TILEY + 4;
2856   int pad_left = xstart - SX;
2857   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2858   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2859   int max_lines_per_text = 2;
2860   char *text = NULL;
2861
2862   if (action != -1 && direction != -1)          /* element.action.direction */
2863     text = getHelpText(element, action, direction);
2864
2865   if (text == NULL && action != -1)             /* element.action */
2866     text = getHelpText(element, action, -1);
2867
2868   if (text == NULL && direction != -1)          /* element.direction */
2869     text = getHelpText(element, -1, direction);
2870
2871   if (text == NULL)                             /* base element */
2872     text = getHelpText(element, -1, -1);
2873
2874   if (text == NULL)                             /* not found */
2875     text = "No description available";
2876
2877   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2878     ystart += getFontHeight(font_nr) / 2;
2879
2880   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2881                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2882                  TRUE, FALSE, FALSE);
2883 }
2884
2885 void DrawInfoScreen_TitleScreen()
2886 {
2887   SetGameStatus(GAME_MODE_TITLE);
2888
2889   DrawTitleScreen();
2890 }
2891
2892 void HandleInfoScreen_TitleScreen(int button)
2893 {
2894   HandleTitleScreen(0, 0, 0, 0, button);
2895 }
2896
2897 void DrawInfoScreen_Elements()
2898 {
2899   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2900
2901   FadeOut(REDRAW_FIELD);
2902
2903   LoadHelpAnimInfo();
2904   LoadHelpTextInfo();
2905
2906   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2907
2908   FadeIn(REDRAW_FIELD);
2909 }
2910
2911 void HandleInfoScreen_Elements(int button)
2912 {
2913   static unsigned int info_delay = 0;
2914   static int num_anims;
2915   static int num_pages;
2916   static int page;
2917   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2918   int i;
2919
2920   if (button == MB_MENU_INITIALIZE)
2921   {
2922     boolean new_element = TRUE;
2923
2924     num_anims = 0;
2925
2926     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2927     {
2928       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2929         new_element = TRUE;
2930       else if (new_element)
2931       {
2932         num_anims++;
2933         new_element = FALSE;
2934       }
2935     }
2936
2937     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2938     page = 0;
2939   }
2940
2941   if (button == MB_MENU_LEAVE)
2942   {
2943     PlaySound(SND_MENU_ITEM_SELECTING);
2944
2945     info_mode = INFO_MODE_MAIN;
2946     DrawInfoScreen();
2947
2948     return;
2949   }
2950   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2951   {
2952     if (button != MB_MENU_INITIALIZE)
2953     {
2954       PlaySound(SND_MENU_ITEM_SELECTING);
2955
2956       page++;
2957     }
2958
2959     if (page >= num_pages)
2960     {
2961       FadeMenuSoundsAndMusic();
2962
2963       info_mode = INFO_MODE_MAIN;
2964       DrawInfoScreen();
2965
2966       return;
2967     }
2968
2969     if (page > 0)
2970       FadeSetNextScreen();
2971
2972     if (button != MB_MENU_INITIALIZE)
2973       FadeOut(REDRAW_FIELD);
2974
2975     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2976
2977     if (button != MB_MENU_INITIALIZE)
2978       FadeIn(REDRAW_FIELD);
2979   }
2980   else
2981   {
2982     if (DelayReached(&info_delay, GameFrameDelay))
2983       if (page < num_pages)
2984         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2985
2986     PlayMenuSoundIfLoop();
2987   }
2988 }
2989
2990 void DrawInfoScreen_Music()
2991 {
2992   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2993
2994   FadeOut(REDRAW_FIELD);
2995
2996   ClearField();
2997   DrawHeadline();
2998
2999   LoadMusicInfo();
3000
3001   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3002
3003   FadeIn(REDRAW_FIELD);
3004 }
3005
3006 void HandleInfoScreen_Music(int button)
3007 {
3008   static struct MusicFileInfo *list = NULL;
3009   int font_title = MENU_INFO_FONT_TITLE;
3010   int font_head  = MENU_INFO_FONT_HEAD;
3011   int font_text  = MENU_INFO_FONT_TEXT;
3012   int font_foot  = MENU_INFO_FONT_FOOT;
3013   int spacing_title = menu.headline1_spacing_info[info_mode];
3014   int spacing_head  = menu.headline2_spacing_info[info_mode];
3015   int ystep_title = getMenuTextStep(spacing_title, font_title);
3016   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3017   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3018   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3019
3020   if (button == MB_MENU_INITIALIZE)
3021   {
3022     list = music_file_info;
3023
3024     if (list == NULL)
3025     {
3026       FadeMenuSoundsAndMusic();
3027
3028       ClearField();
3029       DrawHeadline();
3030
3031       DrawTextSCentered(ystart, font_title,
3032                         "No music info for this level set.");
3033
3034       DrawTextSCentered(ybottom, font_foot,
3035                         "Press any key or button for info menu");
3036
3037       return;
3038     }
3039   }
3040
3041   if (button == MB_MENU_LEAVE)
3042   {
3043     PlaySound(SND_MENU_ITEM_SELECTING);
3044
3045     FadeMenuSoundsAndMusic();
3046
3047     info_mode = INFO_MODE_MAIN;
3048     DrawInfoScreen();
3049
3050     return;
3051   }
3052   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3053   {
3054     if (button != MB_MENU_INITIALIZE)
3055     {
3056       PlaySound(SND_MENU_ITEM_SELECTING);
3057
3058       if (list != NULL)
3059         list = list->next;
3060     }
3061
3062     if (list == NULL)
3063     {
3064       FadeMenuSoundsAndMusic();
3065
3066       info_mode = INFO_MODE_MAIN;
3067       DrawInfoScreen();
3068
3069       return;
3070     }
3071
3072     FadeMenuSoundsAndMusic();
3073
3074     if (list != music_file_info)
3075       FadeSetNextScreen();
3076
3077     if (button != MB_MENU_INITIALIZE)
3078       FadeOut(REDRAW_FIELD);
3079
3080     ClearField();
3081     DrawHeadline();
3082
3083     if (list->is_sound)
3084     {
3085       int sound = list->music;
3086
3087       if (sound_info[sound].loop)
3088         PlaySoundLoop(sound);
3089       else
3090         PlaySound(sound);
3091
3092       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3093     }
3094     else
3095     {
3096       PlayMusic(list->music);
3097
3098       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3099     }
3100
3101     ystart += ystep_title;
3102
3103     if (!strEqual(list->title, UNKNOWN_NAME))
3104     {
3105       if (!strEqual(list->title_header, UNKNOWN_NAME))
3106       {
3107         DrawTextSCentered(ystart, font_head, list->title_header);
3108         ystart += ystep_head;
3109       }
3110
3111       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3112       ystart += ystep_head;
3113     }
3114
3115     if (!strEqual(list->artist, UNKNOWN_NAME))
3116     {
3117       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3118         DrawTextSCentered(ystart, font_head, list->artist_header);
3119       else
3120         DrawTextSCentered(ystart, font_head, "by");
3121
3122       ystart += ystep_head;
3123
3124       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3125       ystart += ystep_head;
3126     }
3127
3128     if (!strEqual(list->album, UNKNOWN_NAME))
3129     {
3130       if (!strEqual(list->album_header, UNKNOWN_NAME))
3131         DrawTextSCentered(ystart, font_head, list->album_header);
3132       else
3133         DrawTextSCentered(ystart, font_head, "from the album");
3134
3135       ystart += ystep_head;
3136
3137       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3138       ystart += ystep_head;
3139     }
3140
3141     if (!strEqual(list->year, UNKNOWN_NAME))
3142     {
3143       if (!strEqual(list->year_header, UNKNOWN_NAME))
3144         DrawTextSCentered(ystart, font_head, list->year_header);
3145       else
3146         DrawTextSCentered(ystart, font_head, "from the year");
3147
3148       ystart += ystep_head;
3149
3150       DrawTextFCentered(ystart, font_text, "%s", list->year);
3151       ystart += ystep_head;
3152     }
3153
3154     DrawTextSCentered(ybottom, FONT_TEXT_4,
3155                       "Press any key or button for next page");
3156
3157     if (button != MB_MENU_INITIALIZE)
3158       FadeIn(REDRAW_FIELD);
3159   }
3160
3161   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3162     PlaySoundLoop(list->music);
3163 }
3164
3165 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3166 {
3167   int font_title = MENU_INFO_FONT_TITLE;
3168   int font_head  = MENU_INFO_FONT_HEAD;
3169   int font_text  = MENU_INFO_FONT_TEXT;
3170   int font_foot  = MENU_INFO_FONT_FOOT;
3171   int spacing_title = menu.headline1_spacing_info[info_mode];
3172   int spacing_head  = menu.headline2_spacing_info[info_mode];
3173   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3174   int spacing_line  = menu.line_spacing_info[info_mode];
3175   int ystep_title = getMenuTextStep(spacing_title, font_title);
3176   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3177   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3178   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3179   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3180   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3181
3182   ClearField();
3183   DrawHeadline();
3184
3185   DrawTextSCentered(ystart, font_title, "Credits:");
3186   ystart += ystep_title;
3187
3188   if (screen_nr == 0)
3189   {
3190     DrawTextSCentered(ystart, font_head,
3191                       "Special thanks to");
3192     ystart += ystep_head;
3193     DrawTextSCentered(ystart, font_text,
3194                       "Peter Liepa");
3195     ystart += ystep_head;
3196     DrawTextSCentered(ystart, font_head,
3197                       "for creating");
3198     ystart += ystep_head;
3199     DrawTextSCentered(ystart, font_text,
3200                       "\"Boulder Dash\"");
3201     ystart += ystep_head;
3202     DrawTextSCentered(ystart, font_head,
3203                       "in the year");
3204     ystart += ystep_head;
3205     DrawTextSCentered(ystart, font_text,
3206                       "1984");
3207     ystart += ystep_head;
3208     DrawTextSCentered(ystart, font_head,
3209                       "published by");
3210     ystart += ystep_head;
3211     DrawTextSCentered(ystart, font_text,
3212                       "First Star Software");
3213   }
3214   else if (screen_nr == 1)
3215   {
3216     DrawTextSCentered(ystart, font_head,
3217                       "Special thanks to");
3218     ystart += ystep_head;
3219     DrawTextSCentered(ystart, font_text,
3220                       "Klaus Heinz & Volker Wertich");
3221     ystart += ystep_head;
3222     DrawTextSCentered(ystart, font_head,
3223                       "for creating");
3224     ystart += ystep_head;
3225     DrawTextSCentered(ystart, font_text,
3226                       "\"Emerald Mine\"");
3227     ystart += ystep_head;
3228     DrawTextSCentered(ystart, font_head,
3229                       "in the year");
3230     ystart += ystep_head;
3231     DrawTextSCentered(ystart, font_text,
3232                       "1987");
3233     ystart += ystep_head;
3234     DrawTextSCentered(ystart, font_head,
3235                       "published by");
3236     ystart += ystep_head;
3237     DrawTextSCentered(ystart, font_text,
3238                       "Kingsoft");
3239   }
3240   else if (screen_nr == 2)
3241   {
3242     DrawTextSCentered(ystart, font_head,
3243                       "Special thanks to");
3244     ystart += ystep_head;
3245     DrawTextSCentered(ystart, font_text,
3246                       "Michael Stopp & Philip Jespersen");
3247     ystart += ystep_head;
3248     DrawTextSCentered(ystart, font_head,
3249                       "for creating");
3250     ystart += ystep_head;
3251     DrawTextSCentered(ystart, font_text,
3252                       "\"Supaplex\"");
3253     ystart += ystep_head;
3254     DrawTextSCentered(ystart, font_head,
3255                       "in the year");
3256     ystart += ystep_head;
3257     DrawTextSCentered(ystart, font_text,
3258                       "1991");
3259     ystart += ystep_head;
3260     DrawTextSCentered(ystart, font_head,
3261                       "published by");
3262     ystart += ystep_head;
3263     DrawTextSCentered(ystart, font_text,
3264                       "Digital Integration");
3265   }
3266   else if (screen_nr == 3)
3267   {
3268     DrawTextSCentered(ystart, font_head,
3269                       "Special thanks to");
3270     ystart += ystep_head;
3271     DrawTextSCentered(ystart, font_text,
3272                       "Hiroyuki Imabayashi");
3273     ystart += ystep_head;
3274     DrawTextSCentered(ystart, font_head,
3275                       "for creating");
3276     ystart += ystep_head;
3277     DrawTextSCentered(ystart, font_text,
3278                       "\"Sokoban\"");
3279     ystart += ystep_head;
3280     DrawTextSCentered(ystart, font_head,
3281                       "in the year");
3282     ystart += ystep_head;
3283     DrawTextSCentered(ystart, font_text,
3284                       "1982");
3285     ystart += ystep_head;
3286     DrawTextSCentered(ystart, font_head,
3287                       "published by");
3288     ystart += ystep_head;
3289     DrawTextSCentered(ystart, font_text,
3290                       "Thinking Rabbit");
3291   }
3292   else if (screen_nr == 4)
3293   {
3294     DrawTextSCentered(ystart, font_head,
3295                       "Special thanks to");
3296     ystart += ystep_head;
3297     DrawTextSCentered(ystart, font_text,
3298                       "Alan Bond");
3299     ystart += ystep_head;
3300     DrawTextSCentered(ystart, font_head,
3301                       "and");
3302     ystart += ystep_head;
3303     DrawTextSCentered(ystart, font_text,
3304                       "J\xfcrgen Bonhagen");
3305     ystart += ystep_head;
3306     DrawTextSCentered(ystart, font_head,
3307                       "for the continuous creation");
3308     ystart += ystep_line;
3309     DrawTextSCentered(ystart, font_head,
3310                       "of outstanding level sets");
3311   }
3312   else if (screen_nr == 5)
3313   {
3314     DrawTextSCentered(ystart, font_head,
3315                       "Thanks to");
3316     ystart += ystep_head;
3317     DrawTextSCentered(ystart, font_text,
3318                       "Peter Elzner");
3319     ystart += ystep_head;
3320     DrawTextSCentered(ystart, font_head,
3321                       "for ideas and inspiration by");
3322     ystart += ystep_head;
3323     DrawTextSCentered(ystart, font_text,
3324                       "Diamond Caves");
3325     ystart += ystep_para;
3326
3327     DrawTextSCentered(ystart, font_head,
3328                       "Thanks to");
3329     ystart += ystep_head;
3330     DrawTextSCentered(ystart, font_text,
3331                       "Steffest");
3332     ystart += ystep_head;
3333     DrawTextSCentered(ystart, font_head,
3334                       "for ideas and inspiration by");
3335     ystart += ystep_head;
3336     DrawTextSCentered(ystart, font_text,
3337                       "DX-Boulderdash");
3338   }
3339   else if (screen_nr == 6)
3340   {
3341     DrawTextSCentered(ystart, font_head,
3342                       "Thanks to");
3343     ystart += ystep_head;
3344     DrawTextSCentered(ystart, font_text,
3345                       "David Tritscher");
3346     ystart += ystep_head;
3347     DrawTextSCentered(ystart, font_head,
3348                       "for the code base used for the");
3349     ystart += ystep_line;
3350     DrawTextSCentered(ystart, font_head,
3351                       "native Emerald Mine engine");
3352   }
3353   else if (screen_nr == 7)
3354   {
3355     DrawTextSCentered(ystart, font_head,
3356                       "Thanks to");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_text,
3359                       "Guido Schulz");
3360     ystart += ystep_head;
3361     DrawTextSCentered(ystart, font_head,
3362                       "for the initial DOS port");
3363     ystart += ystep_para;
3364
3365     DrawTextSCentered(ystart, font_head,
3366                       "Thanks to");
3367     ystart += ystep_head;
3368     DrawTextSCentered(ystart, font_text,
3369                       "Karl H\xf6rnell");
3370     ystart += ystep_head;
3371     DrawTextSCentered(ystart, font_head,
3372                       "for some additional toons");
3373   }
3374   else if (screen_nr == 8)
3375   {
3376     DrawTextSCentered(ystart, font_head,
3377                       "And not to forget:");
3378     ystart += ystep_head;
3379     DrawTextSCentered(ystart, font_head,
3380                       "Many thanks to");
3381     ystart += ystep_head;
3382     DrawTextSCentered(ystart, font_text,
3383                       "All those who contributed");
3384     ystart += ystep_line;
3385     DrawTextSCentered(ystart, font_text,
3386                       "levels to this game");
3387     ystart += ystep_line;
3388     DrawTextSCentered(ystart, font_text,
3389                       "since 1995");
3390   }
3391
3392   DrawTextSCentered(ybottom, font_foot,
3393                     "Press any key or button for next page");
3394 }
3395
3396 void DrawInfoScreen_Credits()
3397 {
3398   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3399
3400   FadeMenuSoundsAndMusic();
3401
3402   FadeOut(REDRAW_FIELD);
3403
3404   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3405
3406   FadeIn(REDRAW_FIELD);
3407 }
3408
3409 void HandleInfoScreen_Credits(int button)
3410 {
3411   static int screen_nr = 0;
3412   int num_screens = 9;
3413
3414   if (button == MB_MENU_INITIALIZE)
3415   {
3416     screen_nr = 0;
3417
3418     // DrawInfoScreen_CreditsScreen(screen_nr);
3419   }
3420
3421   if (button == MB_MENU_LEAVE)
3422   {
3423     PlaySound(SND_MENU_ITEM_SELECTING);
3424
3425     info_mode = INFO_MODE_MAIN;
3426     DrawInfoScreen();
3427
3428     return;
3429   }
3430   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3431   {
3432     if (button != MB_MENU_INITIALIZE)
3433     {
3434       PlaySound(SND_MENU_ITEM_SELECTING);
3435
3436       screen_nr++;
3437     }
3438
3439     if (screen_nr >= num_screens)
3440     {
3441       FadeMenuSoundsAndMusic();
3442
3443       info_mode = INFO_MODE_MAIN;
3444       DrawInfoScreen();
3445
3446       return;
3447     }
3448
3449     if (screen_nr > 0)
3450       FadeSetNextScreen();
3451
3452     if (button != MB_MENU_INITIALIZE)
3453       FadeOut(REDRAW_FIELD);
3454
3455     DrawInfoScreen_CreditsScreen(screen_nr);
3456
3457     if (button != MB_MENU_INITIALIZE)
3458       FadeIn(REDRAW_FIELD);
3459   }
3460   else
3461   {
3462     PlayMenuSoundIfLoop();
3463   }
3464 }
3465
3466 void DrawInfoScreen_Program()
3467 {
3468   int font_title = MENU_INFO_FONT_TITLE;
3469   int font_head  = MENU_INFO_FONT_HEAD;
3470   int font_text  = MENU_INFO_FONT_TEXT;
3471   int font_foot  = MENU_INFO_FONT_FOOT;
3472   int spacing_title = menu.headline1_spacing_info[info_mode];
3473   int spacing_head  = menu.headline2_spacing_info[info_mode];
3474   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3475   int spacing_line  = menu.line_spacing_info[info_mode];
3476   int ystep_title = getMenuTextStep(spacing_title, font_title);
3477   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3478   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3479   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3480   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3481   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3482
3483   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3484
3485   FadeOut(REDRAW_FIELD);
3486
3487   ClearField();
3488   DrawHeadline();
3489
3490   DrawTextSCentered(ystart, font_title, "Program Information:");
3491   ystart += ystep_title;
3492
3493   DrawTextSCentered(ystart, font_head,
3494                     "This game is Freeware!");
3495   ystart += ystep_head;
3496   DrawTextSCentered(ystart, font_head,
3497                     "If you like it, send e-mail to:");
3498   ystart += ystep_head;
3499   DrawTextSCentered(ystart, font_text,
3500                     setup.internal.program_email);
3501   ystart += ystep_para;
3502
3503   DrawTextSCentered(ystart, font_head,
3504                     "More information and levels:");
3505   ystart += ystep_head;
3506   DrawTextSCentered(ystart, font_text,
3507                     setup.internal.program_website);
3508   ystart += ystep_para;
3509
3510   DrawTextSCentered(ystart, font_head,
3511                     "If you have created new levels,");
3512   ystart += ystep_line;
3513   DrawTextSCentered(ystart, font_head,
3514                     "send them to me to include them!");
3515   ystart += ystep_head;
3516   DrawTextSCentered(ystart, font_head,
3517                     ":-)");
3518
3519   DrawTextSCentered(ybottom, font_foot,
3520                     "Press any key or button for info menu");
3521
3522   FadeIn(REDRAW_FIELD);
3523 }
3524
3525 void HandleInfoScreen_Program(int button)
3526 {
3527   if (button == MB_MENU_LEAVE)
3528   {
3529     PlaySound(SND_MENU_ITEM_SELECTING);
3530
3531     info_mode = INFO_MODE_MAIN;
3532     DrawInfoScreen();
3533
3534     return;
3535   }
3536   else if (button == MB_MENU_CHOICE)
3537   {
3538     PlaySound(SND_MENU_ITEM_SELECTING);
3539
3540     FadeMenuSoundsAndMusic();
3541
3542     info_mode = INFO_MODE_MAIN;
3543     DrawInfoScreen();
3544   }
3545   else
3546   {
3547     PlayMenuSoundIfLoop();
3548   }
3549 }
3550
3551 void DrawInfoScreen_Version()
3552 {
3553   int font_title = MENU_INFO_FONT_TITLE;
3554   int font_head  = MENU_INFO_FONT_HEAD;
3555   int font_text  = MENU_INFO_FONT_TEXT;
3556   int font_foot  = MENU_INFO_FONT_FOOT;
3557   int spacing_title = menu.headline1_spacing_info[info_mode];
3558   int spacing_head  = menu.headline2_spacing_info[info_mode];
3559   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3560   int spacing_line  = menu.line_spacing_info[info_mode];
3561   int xstep = getFontWidth(font_text);
3562   int ystep_title = getMenuTextStep(spacing_title, font_title);
3563   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3564   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3565   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3566   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3567   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3568   int xstart1 = mSX - SX + 2 * xstep;
3569   int xstart2 = mSX - SX + 18 * xstep;
3570   int xstart3 = mSX - SX + 28 * xstep;
3571   SDL_version sdl_version_compiled;
3572   const SDL_version *sdl_version_linked;
3573   int driver_name_len = 10;
3574 #if defined(TARGET_SDL2)
3575   SDL_version sdl_version_linked_ext;
3576   const char *driver_name = NULL;
3577 #else
3578   char driver_name[driver_name_len];
3579 #endif
3580
3581   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3582
3583   FadeOut(REDRAW_FIELD);
3584
3585   ClearField();
3586   DrawHeadline();
3587
3588   DrawTextSCentered(ystart, font_title, "Version Information:");
3589   ystart += ystep_title;
3590
3591   DrawTextF(xstart1, ystart, font_head, "Name");
3592   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3593   ystart += ystep_line;
3594
3595   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3596   {
3597     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3598     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3599     ystart += ystep_line;
3600
3601     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3602     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3603     ystart += ystep_line;
3604   }
3605   else
3606   {
3607     DrawTextF(xstart1, ystart, font_head, "Version");
3608     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3609     ystart += ystep_line;
3610   }
3611
3612   DrawTextF(xstart1, ystart, font_head, "Platform");
3613   DrawTextF(xstart2, ystart, font_text, PLATFORM_STRING);
3614   ystart += ystep_line;
3615
3616   DrawTextF(xstart1, ystart, font_head, "Target");
3617   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3618   ystart += ystep_line;
3619
3620   DrawTextF(xstart1, ystart, font_head, "Source date");
3621   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3622   ystart += ystep_para;
3623
3624   DrawTextF(xstart1, ystart, font_head, "Library");
3625   DrawTextF(xstart2, ystart, font_head, "compiled");
3626   DrawTextF(xstart3, ystart, font_head, "linked");
3627   ystart += ystep_head;
3628
3629   SDL_VERSION(&sdl_version_compiled);
3630 #if defined(TARGET_SDL2)
3631   SDL_GetVersion(&sdl_version_linked_ext);
3632   sdl_version_linked = &sdl_version_linked_ext;
3633 #else
3634   sdl_version_linked = SDL_Linked_Version();
3635 #endif
3636
3637   DrawTextF(xstart1, ystart, font_text, "SDL");
3638   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3639             sdl_version_compiled.major,
3640             sdl_version_compiled.minor,
3641             sdl_version_compiled.patch);
3642   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3643             sdl_version_linked->major,
3644             sdl_version_linked->minor,
3645             sdl_version_linked->patch);
3646   ystart += ystep_line;
3647
3648   SDL_IMAGE_VERSION(&sdl_version_compiled);
3649   sdl_version_linked = IMG_Linked_Version();
3650
3651   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3652   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3653             sdl_version_compiled.major,
3654             sdl_version_compiled.minor,
3655             sdl_version_compiled.patch);
3656   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3657             sdl_version_linked->major,
3658             sdl_version_linked->minor,
3659             sdl_version_linked->patch);
3660   ystart += ystep_line;
3661
3662   SDL_MIXER_VERSION(&sdl_version_compiled);
3663   sdl_version_linked = Mix_Linked_Version();
3664
3665   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3666   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3667             sdl_version_compiled.major,
3668             sdl_version_compiled.minor,
3669             sdl_version_compiled.patch);
3670   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3671             sdl_version_linked->major,
3672             sdl_version_linked->minor,
3673             sdl_version_linked->patch);
3674   ystart += ystep_line;
3675
3676   SDL_NET_VERSION(&sdl_version_compiled);
3677   sdl_version_linked = SDLNet_Linked_Version();
3678
3679   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3680   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3681             sdl_version_compiled.major,
3682             sdl_version_compiled.minor,
3683             sdl_version_compiled.patch);
3684   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3685             sdl_version_linked->major,
3686             sdl_version_linked->minor,
3687             sdl_version_linked->patch);
3688   ystart += ystep_para;
3689
3690   DrawTextF(xstart1, ystart, font_head, "Driver");
3691   DrawTextF(xstart2, ystart, font_head, "Requested");
3692   DrawTextF(xstart3, ystart, font_head, "Used");
3693   ystart += ystep_head;
3694
3695 #if defined(TARGET_SDL2)
3696   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3697 #else
3698   SDL_VideoDriverName(driver_name, driver_name_len);
3699 #endif
3700
3701   DrawTextF(xstart1, ystart, font_text, "SDL_VideoDriver");
3702   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3703   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3704   ystart += ystep_line;
3705
3706 #if defined(TARGET_SDL2)
3707   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3708 #else
3709   SDL_AudioDriverName(driver_name, driver_name_len);
3710 #endif
3711
3712   DrawTextF(xstart1, ystart, font_text, "SDL_AudioDriver");
3713   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3714   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3715
3716   DrawTextSCentered(ybottom, font_foot,
3717                     "Press any key or button for info menu");
3718
3719   FadeIn(REDRAW_FIELD);
3720 }
3721
3722 void HandleInfoScreen_Version(int button)
3723 {
3724   if (button == MB_MENU_LEAVE)
3725   {
3726     PlaySound(SND_MENU_ITEM_SELECTING);
3727
3728     info_mode = INFO_MODE_MAIN;
3729     DrawInfoScreen();
3730
3731     return;
3732   }
3733   else if (button == MB_MENU_CHOICE)
3734   {
3735     PlaySound(SND_MENU_ITEM_SELECTING);
3736
3737     FadeMenuSoundsAndMusic();
3738
3739     info_mode = INFO_MODE_MAIN;
3740     DrawInfoScreen();
3741   }
3742   else
3743   {
3744     PlayMenuSoundIfLoop();
3745   }
3746 }
3747
3748 void DrawInfoScreen_LevelSet()
3749 {
3750   struct TitleMessageInfo *tmi = &readme;
3751   char *filename = getLevelSetInfoFilename();
3752   char *title = "Level Set Information:";
3753   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3754   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3755
3756   if (filename == NULL)
3757   {
3758     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3759
3760     return;
3761   }
3762
3763   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3764
3765   FadeOut(REDRAW_FIELD);
3766
3767   ClearField();
3768   DrawHeadline();
3769
3770   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3771
3772   /* if x position set to "-1", automatically determine by playfield width */
3773   if (tmi->x == -1)
3774     tmi->x = SXSIZE / 2;
3775
3776   /* if y position set to "-1", use static default value */
3777   if (tmi->y == -1)
3778     tmi->y = 150;
3779
3780   /* if width set to "-1", automatically determine by playfield width */
3781   if (tmi->width == -1)
3782     tmi->width = SXSIZE - 2 * TILEX;
3783
3784   /* if height set to "-1", automatically determine by playfield height */
3785   if (tmi->height == -1)
3786     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3787
3788   /* if chars set to "-1", automatically determine by text and font width */
3789   if (tmi->chars == -1)
3790     tmi->chars = tmi->width / getFontWidth(tmi->font);
3791   else
3792     tmi->width = tmi->chars * getFontWidth(tmi->font);
3793
3794   /* if lines set to "-1", automatically determine by text and font height */
3795   if (tmi->lines == -1)
3796     tmi->lines = tmi->height / getFontHeight(tmi->font);
3797   else
3798     tmi->height = tmi->lines * getFontHeight(tmi->font);
3799
3800   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3801                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3802                tmi->autowrap, tmi->centered, tmi->parse_comments);
3803
3804   DrawTextSCentered(ybottom, FONT_TEXT_4,
3805                     "Press any key or button for info menu");
3806
3807   FadeIn(REDRAW_FIELD);
3808 }
3809
3810 void HandleInfoScreen_LevelSet(int button)
3811 {
3812   if (button == MB_MENU_LEAVE)
3813   {
3814     PlaySound(SND_MENU_ITEM_SELECTING);
3815
3816     info_mode = INFO_MODE_MAIN;
3817     DrawInfoScreen();
3818
3819     return;
3820   }
3821   else if (button == MB_MENU_CHOICE)
3822   {
3823     PlaySound(SND_MENU_ITEM_SELECTING);
3824
3825     FadeMenuSoundsAndMusic();
3826
3827     info_mode = INFO_MODE_MAIN;
3828     DrawInfoScreen();
3829   }
3830   else
3831   {
3832     PlayMenuSoundIfLoop();
3833   }
3834 }
3835
3836 static void DrawInfoScreen()
3837 {
3838   if (info_mode == INFO_MODE_TITLE)
3839     DrawInfoScreen_TitleScreen();
3840   else if (info_mode == INFO_MODE_ELEMENTS)
3841     DrawInfoScreen_Elements();
3842   else if (info_mode == INFO_MODE_MUSIC)
3843     DrawInfoScreen_Music();
3844   else if (info_mode == INFO_MODE_CREDITS)
3845     DrawInfoScreen_Credits();
3846   else if (info_mode == INFO_MODE_PROGRAM)
3847     DrawInfoScreen_Program();
3848   else if (info_mode == INFO_MODE_VERSION)
3849     DrawInfoScreen_Version();
3850   else if (info_mode == INFO_MODE_LEVELSET)
3851     DrawInfoScreen_LevelSet();
3852   else
3853     DrawInfoScreen_Main();
3854
3855   if (info_mode != INFO_MODE_MAIN &&
3856       info_mode != INFO_MODE_TITLE &&
3857       info_mode != INFO_MODE_MUSIC)
3858     PlayMenuSoundsAndMusic();
3859 }
3860
3861 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3862 {
3863   if (info_mode == INFO_MODE_TITLE)
3864     HandleInfoScreen_TitleScreen(button);
3865   else if (info_mode == INFO_MODE_ELEMENTS)
3866     HandleInfoScreen_Elements(button);
3867   else if (info_mode == INFO_MODE_MUSIC)
3868     HandleInfoScreen_Music(button);
3869   else if (info_mode == INFO_MODE_CREDITS)
3870     HandleInfoScreen_Credits(button);
3871   else if (info_mode == INFO_MODE_PROGRAM)
3872     HandleInfoScreen_Program(button);
3873   else if (info_mode == INFO_MODE_VERSION)
3874     HandleInfoScreen_Version(button);
3875   else if (info_mode == INFO_MODE_LEVELSET)
3876     HandleInfoScreen_LevelSet(button);
3877   else
3878     HandleInfoScreen_Main(mx, my, dx, dy, button);
3879 }
3880
3881
3882 /* ========================================================================= */
3883 /* type name functions                                                       */
3884 /* ========================================================================= */
3885
3886 void HandleTypeName(int newxpos, Key key)
3887 {
3888   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3889   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3890   struct TextPosInfo *pos = mci->pos_input;
3891   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3892   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3893   static int xpos = 0;
3894   int font_nr = pos->font;
3895   int font_active_nr = FONT_ACTIVE(font_nr);
3896   int font_width = getFontWidth(font_active_nr);
3897   char key_char = getValidConfigValueChar(getCharFromKey(key));
3898   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3899   boolean is_active = TRUE;
3900
3901   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3902
3903   if (newxpos)
3904   {
3905     strcpy(last_player_name, setup.player_name);
3906
3907     xpos = newxpos;
3908
3909     StartTextInput(startx, starty, pos->width, pos->height);
3910   }
3911   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3912   {
3913     setup.player_name[xpos] = key_char;
3914     setup.player_name[xpos + 1] = 0;
3915
3916     xpos++;
3917   }
3918   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3919   {
3920     xpos--;
3921
3922     setup.player_name[xpos] = 0;
3923   }
3924   else if (key == KSYM_Return && xpos > 0)
3925   {
3926     SaveSetup();
3927
3928     is_active = FALSE;
3929
3930     SetGameStatus(GAME_MODE_MAIN);
3931   }
3932   else if (key == KSYM_Escape)
3933   {
3934     strcpy(setup.player_name, last_player_name);
3935
3936     is_active = FALSE;
3937
3938     SetGameStatus(GAME_MODE_MAIN);
3939   }
3940
3941   if (is_active)
3942   {
3943     pos->width = (strlen(setup.player_name) + 1) * font_width;
3944     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3945
3946     DrawText(startx, starty, setup.player_name, font_active_nr);
3947     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3948   }
3949   else
3950   {
3951     pos->width = strlen(setup.player_name) * font_width;
3952     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3953
3954     DrawText(startx, starty, setup.player_name, font_nr);
3955
3956     StopTextInput();
3957   }
3958 }
3959
3960
3961 /* ========================================================================= */
3962 /* tree menu functions                                                       */
3963 /* ========================================================================= */
3964
3965 static void DrawChooseTree(TreeInfo **ti_ptr)
3966 {
3967   int fade_mask = REDRAW_FIELD;
3968
3969   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
3970     fade_mask = REDRAW_ALL;
3971
3972   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3973   {
3974     SetGameStatus(GAME_MODE_MAIN);
3975
3976     DrawMainMenu();
3977
3978     return;
3979   }
3980
3981   UnmapAllGadgets();
3982
3983   FreeScreenGadgets();
3984   CreateScreenGadgets();
3985
3986   FadeOut(fade_mask);
3987
3988   /* needed if different viewport properties defined for choosing level (set) */
3989   ChangeViewportPropertiesIfNeeded();
3990
3991   if (game_status == GAME_MODE_LEVELNR)
3992     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
3993   else if (game_status == GAME_MODE_LEVELS)
3994     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
3995
3996   ClearField();
3997
3998   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3999
4000   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4001   MapScreenTreeGadgets(*ti_ptr);
4002
4003   DrawMaskedBorder(fade_mask);
4004
4005   FadeIn(fade_mask);
4006 }
4007
4008 static void drawChooseTreeList(int first_entry, int num_page_entries,
4009                                TreeInfo *ti)
4010 {
4011   int i;
4012   char *title_string = NULL;
4013   int yoffset_sets = MENU_TITLE1_YPOS;
4014   int yoffset_setup = 16;
4015   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4016                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4017
4018   title_string = ti->infotext;
4019
4020   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4021
4022   clearMenuListArea();
4023
4024   for (i = 0; i < num_page_entries; i++)
4025   {
4026     TreeInfo *node, *node_first;
4027     int entry_pos = first_entry + i;
4028     int xpos = MENU_SCREEN_START_XPOS;
4029     int ypos = MENU_SCREEN_START_YPOS + i;
4030     int startx = mSX + xpos * 32;
4031     int starty = mSY + ypos * 32;
4032     int font_nr = FONT_TEXT_1;
4033     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4034     int startx_text = startx + font_xoffset;
4035     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4036     int text_size = startx_scrollbar - startx_text;
4037     int max_buffer_len = text_size / getFontWidth(font_nr);
4038     char buffer[max_buffer_len + 1];
4039
4040     node_first = getTreeInfoFirstGroupEntry(ti);
4041     node = getTreeInfoFromPos(node_first, entry_pos);
4042
4043     strncpy(buffer, node->name, max_buffer_len);
4044     buffer[max_buffer_len] = '\0';
4045
4046     DrawText(startx, starty, buffer, font_nr + node->color);
4047
4048     if (node->parent_link)
4049       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4050     else if (node->level_group)
4051       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4052     else
4053       initCursor(i, IMG_MENU_BUTTON);
4054   }
4055
4056   redraw_mask |= REDRAW_FIELD;
4057 }
4058
4059 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4060 {
4061   TreeInfo *node, *node_first;
4062   int x, last_redraw_mask = redraw_mask;
4063   int ypos = MENU_TITLE2_YPOS;
4064   int font_nr = FONT_TITLE_2;
4065
4066   if (ti->type == TREE_TYPE_LEVEL_NR)
4067     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4068
4069   if (ti->type != TREE_TYPE_LEVEL_DIR)
4070     return;
4071
4072   node_first = getTreeInfoFirstGroupEntry(ti);
4073   node = getTreeInfoFromPos(node_first, entry_pos);
4074
4075   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4076
4077   if (node->parent_link)
4078     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4079                       node->node_parent->name);
4080   else if (node->level_group)
4081     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4082                       node->name);
4083   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4084     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4085                       node->levels, (node->levels > 1 ? "levels" : "level"),
4086                       node->class_desc);
4087
4088   /* let BackToFront() redraw only what is needed */
4089   redraw_mask = last_redraw_mask;
4090   for (x = 0; x < SCR_FIELDX; x++)
4091     MarkTileDirty(x, 1);
4092 }
4093
4094 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4095                              TreeInfo **ti_ptr)
4096 {
4097   TreeInfo *ti = *ti_ptr;
4098   int x = 0;
4099   int y = ti->cl_cursor;
4100   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4101   int num_entries = numTreeInfoInGroup(ti);
4102   int num_page_entries;
4103   boolean position_set_by_scrollbar = (dx == 999);
4104
4105   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
4106     num_page_entries = num_entries;
4107   else
4108     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
4109
4110   if (button == MB_MENU_INITIALIZE)
4111   {
4112     int num_entries = numTreeInfoInGroup(ti);
4113     int entry_pos = posTreeInfo(ti);
4114
4115     if (ti->cl_first == -1)
4116     {
4117       /* only on initialization */
4118       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4119       ti->cl_cursor = entry_pos - ti->cl_first;
4120     }
4121     else if (ti->cl_cursor >= num_page_entries ||
4122              (num_entries > num_page_entries &&
4123               num_entries - ti->cl_first < num_page_entries))
4124     {
4125       /* only after change of list size (by custom graphic configuration) */
4126       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4127       ti->cl_cursor = entry_pos - ti->cl_first;
4128     }
4129
4130     if (position_set_by_scrollbar)
4131       ti->cl_first = dy;
4132     else
4133       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4134                                 ti->cl_first, ti);
4135
4136     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4137     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4138     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4139
4140     return;
4141   }
4142   else if (button == MB_MENU_LEAVE)
4143   {
4144     FadeSetLeaveMenu();
4145
4146     PlaySound(SND_MENU_ITEM_SELECTING);
4147
4148     if (ti->node_parent)
4149     {
4150       *ti_ptr = ti->node_parent;
4151       DrawChooseTree(ti_ptr);
4152     }
4153     else if (game_status == GAME_MODE_SETUP)
4154     {
4155       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4156           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4157           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4158         execSetupGame();
4159       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4160                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4161                setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4162         execSetupGraphics();
4163       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4164                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4165                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4166         execSetupSound();
4167       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4168                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4169                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4170                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4171                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4172                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4173                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4174                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4175         execSetupTouch();
4176       else
4177         execSetupArtwork();
4178     }
4179     else
4180     {
4181       if (game_status == GAME_MODE_LEVELNR)
4182       {
4183         int new_level_nr = atoi(level_number_current->identifier);
4184
4185         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4186       }
4187
4188       SetGameStatus(GAME_MODE_MAIN);
4189
4190       DrawMainMenu();
4191     }
4192
4193     return;
4194   }
4195
4196   if (mx || my)         /* mouse input */
4197   {
4198     x = (mx - mSX) / 32;
4199     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
4200   }
4201   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
4202   {
4203     /* move cursor instead of scrolling when already at start/end of list */
4204     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4205       dy = -1;
4206     else if (dy == +1 * SCROLL_LINE &&
4207              ti->cl_first + num_page_entries == num_entries)
4208       dy = 1;
4209
4210     /* handle scrolling screen one line or page */
4211     if (ti->cl_cursor + dy < 0 ||
4212         ti->cl_cursor + dy > num_page_entries - 1)
4213     {
4214       boolean redraw = FALSE;
4215
4216       if (ABS(dy) == SCROLL_PAGE)
4217         step = num_page_entries - 1;
4218
4219       if (dy < 0 && ti->cl_first > 0)
4220       {
4221         /* scroll page/line up */
4222
4223         ti->cl_first -= step;
4224         if (ti->cl_first < 0)
4225           ti->cl_first = 0;
4226
4227         redraw = TRUE;
4228       }
4229       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4230       {
4231         /* scroll page/line down */
4232
4233         ti->cl_first += step;
4234         if (ti->cl_first + num_page_entries > num_entries)
4235           ti->cl_first = MAX(0, num_entries - num_page_entries);
4236
4237         redraw = TRUE;
4238       }
4239
4240       if (redraw)
4241       {
4242         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4243         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4244         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4245
4246         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4247                                   ti->cl_first, ti);
4248       }
4249
4250       return;
4251     }
4252
4253     /* handle moving cursor one line */
4254     y = ti->cl_cursor + dy;
4255   }
4256
4257   if (dx == 1)
4258   {
4259     TreeInfo *node_first, *node_cursor;
4260     int entry_pos = ti->cl_first + y;
4261
4262     node_first = getTreeInfoFirstGroupEntry(ti);
4263     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4264
4265     if (node_cursor->node_group)
4266     {
4267       FadeSetEnterMenu();
4268
4269       PlaySound(SND_MENU_ITEM_SELECTING);
4270
4271       node_cursor->cl_first = ti->cl_first;
4272       node_cursor->cl_cursor = ti->cl_cursor;
4273       *ti_ptr = node_cursor->node_group;
4274       DrawChooseTree(ti_ptr);
4275
4276       return;
4277     }
4278   }
4279   else if (dx == -1 && ti->node_parent)
4280   {
4281     FadeSetLeaveMenu();
4282
4283     PlaySound(SND_MENU_ITEM_SELECTING);
4284
4285     *ti_ptr = ti->node_parent;
4286     DrawChooseTree(ti_ptr);
4287
4288     return;
4289   }
4290
4291   if (!anyScrollbarGadgetActive() &&
4292       IN_VIS_MENU(x, y) &&
4293       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
4294       y >= 0 && y < num_page_entries)
4295   {
4296     if (button)
4297     {
4298       if (y != ti->cl_cursor)
4299       {
4300         PlaySound(SND_MENU_ITEM_ACTIVATING);
4301
4302         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4303         drawChooseTreeCursor(y, TRUE);
4304         drawChooseTreeInfo(ti->cl_first + y, ti);
4305
4306         ti->cl_cursor = y;
4307       }
4308       else if (dx < 0)
4309       {
4310         if (game_status == GAME_MODE_SETUP)
4311         {
4312           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4313               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4314               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4315             execSetupGame();
4316           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4317                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4318                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4319             execSetupGraphics();
4320           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4321                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4322                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4323             execSetupSound();
4324           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4325                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4326                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4327                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4328                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4329                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4330                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4331                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4332             execSetupTouch();
4333           else
4334             execSetupArtwork();
4335         }
4336       }
4337     }
4338     else
4339     {
4340       TreeInfo *node_first, *node_cursor;
4341       int entry_pos = ti->cl_first + y;
4342
4343       PlaySound(SND_MENU_ITEM_SELECTING);
4344
4345       node_first = getTreeInfoFirstGroupEntry(ti);
4346       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4347
4348       if (node_cursor->node_group)
4349       {
4350         FadeSetEnterMenu();
4351
4352         node_cursor->cl_first = ti->cl_first;
4353         node_cursor->cl_cursor = ti->cl_cursor;
4354         *ti_ptr = node_cursor->node_group;
4355         DrawChooseTree(ti_ptr);
4356       }
4357       else if (node_cursor->parent_link)
4358       {
4359         FadeSetLeaveMenu();
4360
4361         *ti_ptr = node_cursor->node_parent;
4362         DrawChooseTree(ti_ptr);
4363       }
4364       else
4365       {
4366         FadeSetEnterMenu();
4367
4368         node_cursor->cl_first = ti->cl_first;
4369         node_cursor->cl_cursor = ti->cl_cursor;
4370         *ti_ptr = node_cursor;
4371
4372         if (ti->type == TREE_TYPE_LEVEL_DIR)
4373         {
4374           LoadLevelSetup_SeriesInfo();
4375
4376           SaveLevelSetup_LastSeries();
4377           SaveLevelSetup_SeriesInfo();
4378           TapeErase();
4379         }
4380
4381         if (game_status == GAME_MODE_SETUP)
4382         {
4383           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4384               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4385               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4386             execSetupGame();
4387           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4388                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4389                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4390             execSetupGraphics();
4391           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4392                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4393                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4394             execSetupSound();
4395           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4396                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4397                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4398                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4399                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4400                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4401                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4402                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4403             execSetupTouch();
4404           else
4405             execSetupArtwork();
4406         }
4407         else
4408         {
4409           if (game_status == GAME_MODE_LEVELNR)
4410           {
4411             int new_level_nr = atoi(level_number_current->identifier);
4412
4413             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4414           }
4415
4416           SetGameStatus(GAME_MODE_MAIN);
4417
4418           DrawMainMenu();
4419         }
4420       }
4421     }
4422   }
4423 }
4424
4425 void DrawChooseLevelSet()
4426 {
4427   FadeMenuSoundsAndMusic();
4428
4429   DrawChooseTree(&leveldir_current);
4430
4431   PlayMenuSoundsAndMusic();
4432 }
4433
4434 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4435 {
4436   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4437 }
4438
4439 void DrawChooseLevelNr()
4440 {
4441   int i;
4442
4443   FadeMenuSoundsAndMusic();
4444
4445   if (level_number != NULL)
4446   {
4447     freeTreeInfo(level_number);
4448
4449     level_number = NULL;
4450   }
4451
4452   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4453   {
4454     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4455     char identifier[32], name[32];
4456     int value = i;
4457
4458     /* temporarily load level info to get level name */
4459     LoadLevelInfoOnly(i);
4460
4461     ti->node_top = &level_number;
4462     ti->sort_priority = 10000 + value;
4463     ti->color = (level.no_level_file ? FC_BLUE :
4464                  LevelStats_getSolved(i) ? FC_GREEN :
4465                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4466
4467     snprintf(identifier, sizeof(identifier), "%d", value);
4468     snprintf(name, sizeof(name), "%03d: %s", value,
4469              (level.no_level_file ? "(no file)" : level.name));
4470
4471     setString(&ti->identifier, identifier);
4472     setString(&ti->name, name);
4473     setString(&ti->name_sorting, name);
4474
4475     pushTreeInfo(&level_number, ti);
4476   }
4477
4478   /* sort level number values to start with lowest level number */
4479   sortTreeInfo(&level_number);
4480
4481   /* set current level number to current level number */
4482   level_number_current =
4483     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4484
4485   /* if that also fails, set current level number to first available level */
4486   if (level_number_current == NULL)
4487     level_number_current = level_number;
4488
4489   DrawChooseTree(&level_number_current);
4490
4491   PlayMenuSoundsAndMusic();
4492 }
4493
4494 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4495 {
4496   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4497 }
4498
4499 void DrawHallOfFame(int highlight_position)
4500 {
4501   int fade_mask = REDRAW_FIELD;
4502
4503   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
4504     fade_mask = REDRAW_ALL;
4505
4506   UnmapAllGadgets();
4507   FadeMenuSoundsAndMusic();
4508
4509   /* (this is needed when called from GameEnd() after winning a game) */
4510   KeyboardAutoRepeatOn();
4511
4512   /* (this is needed when called from GameEnd() after winning a game) */
4513   SetDrawDeactivationMask(REDRAW_NONE);
4514   SetDrawBackgroundMask(REDRAW_FIELD);
4515
4516   if (highlight_position < 0)
4517     LoadScore(level_nr);
4518   else
4519     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4520
4521   FadeSetEnterScreen();
4522
4523   FadeOut(fade_mask);
4524
4525   /* needed if different viewport properties defined for scores */
4526   ChangeViewportPropertiesIfNeeded();
4527
4528   PlayMenuSoundsAndMusic();
4529
4530   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4531
4532   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4533
4534   DrawMaskedBorder(fade_mask);
4535
4536   FadeIn(fade_mask);
4537 }
4538
4539 static void drawHallOfFameList(int first_entry, int highlight_position)
4540 {
4541   int i, j;
4542
4543   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4544   ClearField();
4545
4546   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4547   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4548                     "HighScores of Level %d", level_nr);
4549
4550   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4551   {
4552     int entry = first_entry + i;
4553     boolean active = (entry == highlight_position);
4554     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4555     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4556     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4557     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4558     int dxoff = getFontDrawOffsetX(font_nr1);
4559     int dx1 = 3 * getFontWidth(font_nr1);
4560     int dx2 = dx1 + getFontWidth(font_nr1);
4561     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4562     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4563     int sy = mSY + 64 + i * 32;
4564
4565     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4566     DrawText(mSX + dx1, sy, ".", font_nr1);
4567
4568     for (j = 0; j < num_dots; j++)
4569       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4570
4571     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4572       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4573
4574     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4575   }
4576
4577   redraw_mask |= REDRAW_FIELD;
4578 }
4579
4580 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4581 {
4582   static int first_entry = 0;
4583   static int highlight_position = 0;
4584   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4585
4586   if (button == MB_MENU_INITIALIZE)
4587   {
4588     first_entry = 0;
4589     highlight_position = mx;
4590     drawHallOfFameList(first_entry, highlight_position);
4591
4592     return;
4593   }
4594
4595   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4596     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4597
4598   if (dy < 0)
4599   {
4600     if (first_entry > 0)
4601     {
4602       first_entry -= step;
4603       if (first_entry < 0)
4604         first_entry = 0;
4605
4606       drawHallOfFameList(first_entry, highlight_position);
4607     }
4608   }
4609   else if (dy > 0)
4610   {
4611     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4612     {
4613       first_entry += step;
4614       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4615         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4616
4617       drawHallOfFameList(first_entry, highlight_position);
4618     }
4619   }
4620   else if (button == MB_MENU_LEAVE)
4621   {
4622     PlaySound(SND_MENU_ITEM_SELECTING);
4623
4624     FadeSound(SND_BACKGROUND_SCORES);
4625
4626     SetGameStatus(GAME_MODE_MAIN);
4627
4628     DrawMainMenu();
4629   }
4630   else if (button == MB_MENU_CHOICE)
4631   {
4632     PlaySound(SND_MENU_ITEM_SELECTING);
4633
4634     FadeSound(SND_BACKGROUND_SCORES);
4635
4636     SetGameStatus(GAME_MODE_MAIN);
4637
4638     DrawMainMenu();
4639   }
4640
4641   if (game_status == GAME_MODE_SCORES)
4642     PlayMenuSoundIfLoop();
4643 }
4644
4645
4646 /* ========================================================================= */
4647 /* setup screen functions                                                    */
4648 /* ========================================================================= */
4649
4650 static struct TokenInfo *setup_info;
4651 static int num_setup_info;      /* number of setup entries shown on screen */
4652 static int max_setup_info;      /* total number of setup entries in list */
4653
4654 static char *window_size_text;
4655 static char *scaling_type_text;
4656 static char *rendering_mode_text;
4657 static char *scroll_delay_text;
4658 static char *snapshot_mode_text;
4659 static char *game_speed_text;
4660 static char *graphics_set_name;
4661 static char *sounds_set_name;
4662 static char *music_set_name;
4663 static char *volume_simple_text;
4664 static char *volume_loops_text;
4665 static char *volume_music_text;
4666 static char *touch_controls_text;
4667 static char *move_distance_text;
4668 static char *drop_distance_text;
4669 static char *transparency_text;
4670 static char *grid_size_text[2][2];
4671
4672 static void execSetupMain()
4673 {
4674   setup_mode = SETUP_MODE_MAIN;
4675
4676   DrawSetupScreen();
4677 }
4678
4679 static void execSetupGame_setGameSpeeds()
4680 {
4681   if (game_speeds == NULL)
4682   {
4683     int i;
4684
4685     for (i = 0; game_speeds_list[i].value != -1; i++)
4686     {
4687       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4688       char identifier[32], name[32];
4689       int value = game_speeds_list[i].value;
4690       char *text = game_speeds_list[i].text;
4691
4692       ti->node_top = &game_speeds;
4693       ti->sort_priority = 10000 - value;
4694
4695       sprintf(identifier, "%d", value);
4696       sprintf(name, "%s", text);
4697
4698       setString(&ti->identifier, identifier);
4699       setString(&ti->name, name);
4700       setString(&ti->name_sorting, name);
4701       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
4702
4703       pushTreeInfo(&game_speeds, ti);
4704     }
4705
4706     /* sort game speed values to start with slowest game speed */
4707     sortTreeInfo(&game_speeds);
4708
4709     /* set current game speed to configured game speed value */
4710     game_speed_current =
4711       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4712
4713     /* if that fails, set current game speed to reliable default value */
4714     if (game_speed_current == NULL)
4715       game_speed_current =
4716         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4717
4718     /* if that also fails, set current game speed to first available speed */
4719     if (game_speed_current == NULL)
4720       game_speed_current = game_speeds;
4721   }
4722
4723   setup.game_frame_delay = atoi(game_speed_current->identifier);
4724
4725   /* needed for displaying game speed text instead of identifier */
4726   game_speed_text = game_speed_current->name;
4727 }
4728
4729 static void execSetupGame_setScrollDelays()
4730 {
4731   if (scroll_delays == NULL)
4732   {
4733     int i;
4734
4735     for (i = 0; scroll_delays_list[i].value != -1; i++)
4736     {
4737       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4738       char identifier[32], name[32];
4739       int value = scroll_delays_list[i].value;
4740       char *text = scroll_delays_list[i].text;
4741
4742       ti->node_top = &scroll_delays;
4743       ti->sort_priority = value;
4744
4745       sprintf(identifier, "%d", value);
4746       sprintf(name, "%s", text);
4747
4748       setString(&ti->identifier, identifier);
4749       setString(&ti->name, name);
4750       setString(&ti->name_sorting, name);
4751       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
4752
4753       pushTreeInfo(&scroll_delays, ti);
4754     }
4755
4756     /* sort scroll delay values to start with lowest scroll delay value */
4757     sortTreeInfo(&scroll_delays);
4758
4759     /* set current scroll delay value to configured scroll delay value */
4760     scroll_delay_current =
4761       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4762
4763     /* if that fails, set current scroll delay to reliable default value */
4764     if (scroll_delay_current == NULL)
4765       scroll_delay_current =
4766         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4767
4768     /* if that also fails, set current scroll delay to first available value */
4769     if (scroll_delay_current == NULL)
4770       scroll_delay_current = scroll_delays;
4771   }
4772
4773   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4774
4775   /* needed for displaying scroll delay text instead of identifier */
4776   scroll_delay_text = scroll_delay_current->name;
4777 }
4778
4779 static void execSetupGame_setSnapshotModes()
4780 {
4781   if (snapshot_modes == NULL)
4782   {
4783     int i;
4784
4785     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4786     {
4787       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4788       char identifier[32], name[32];
4789       char *value = snapshot_modes_list[i].value;
4790       char *text = snapshot_modes_list[i].text;
4791
4792       ti->node_top = &snapshot_modes;
4793       ti->sort_priority = i;
4794
4795       sprintf(identifier, "%s", value);
4796       sprintf(name, "%s", text);
4797
4798       setString(&ti->identifier, identifier);
4799       setString(&ti->name, name);
4800       setString(&ti->name_sorting, name);
4801       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
4802
4803       pushTreeInfo(&snapshot_modes, ti);
4804     }
4805
4806     /* sort snapshot mode values to start with lowest snapshot mode value */
4807     sortTreeInfo(&snapshot_modes);
4808
4809     /* set current snapshot mode value to configured snapshot mode value */
4810     snapshot_mode_current =
4811       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4812
4813     /* if that fails, set current snapshot mode to reliable default value */
4814     if (snapshot_mode_current == NULL)
4815       snapshot_mode_current =
4816         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4817
4818     /* if that also fails, set current snapshot mode to first available value */
4819     if (snapshot_mode_current == NULL)
4820       snapshot_mode_current = snapshot_modes;
4821   }
4822
4823   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4824
4825   /* needed for displaying snapshot mode text instead of identifier */
4826   snapshot_mode_text = snapshot_mode_current->name;
4827 }
4828
4829 static void execSetupGame()
4830 {
4831   execSetupGame_setGameSpeeds();
4832   execSetupGame_setScrollDelays();
4833   execSetupGame_setSnapshotModes();
4834
4835   setup_mode = SETUP_MODE_GAME;
4836
4837   DrawSetupScreen();
4838 }
4839
4840 static void execSetupChooseGameSpeed()
4841 {
4842   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4843
4844   DrawSetupScreen();
4845 }
4846
4847 static void execSetupChooseScrollDelay()
4848 {
4849   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4850
4851   DrawSetupScreen();
4852 }
4853
4854 static void execSetupChooseSnapshotMode()
4855 {
4856   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4857
4858   DrawSetupScreen();
4859 }
4860
4861 static void execSetupEditor()
4862 {
4863   setup_mode = SETUP_MODE_EDITOR;
4864
4865   DrawSetupScreen();
4866 }
4867
4868 static void execSetupGraphics_setWindowSizes(boolean update_list)
4869 {
4870   if (window_sizes != NULL && update_list)
4871   {
4872     freeTreeInfo(window_sizes);
4873
4874     window_sizes = NULL;
4875   }
4876
4877   if (window_sizes == NULL)
4878   {
4879     boolean current_window_size_found = FALSE;
4880     int i;
4881
4882     for (i = 0; window_sizes_list[i].value != -1; i++)
4883     {
4884       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4885       char identifier[32], name[32];
4886       int value = window_sizes_list[i].value;
4887       char *text = window_sizes_list[i].text;
4888
4889       ti->node_top = &window_sizes;
4890       ti->sort_priority = value;
4891
4892       sprintf(identifier, "%d", value);
4893       sprintf(name, "%s", text);
4894
4895       setString(&ti->identifier, identifier);
4896       setString(&ti->name, name);
4897       setString(&ti->name_sorting, name);
4898       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
4899
4900       pushTreeInfo(&window_sizes, ti);
4901
4902       if (value == setup.window_scaling_percent)
4903         current_window_size_found = TRUE;
4904     }
4905
4906     if (!current_window_size_found)
4907     {
4908       // add entry for non-preset window scaling value
4909
4910       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4911       char identifier[32], name[32];
4912       int value = setup.window_scaling_percent;
4913
4914       ti->node_top = &window_sizes;
4915       ti->sort_priority = value;
4916
4917       sprintf(identifier, "%d", value);
4918       sprintf(name, "%d %% (Current)", value);
4919
4920       setString(&ti->identifier, identifier);
4921       setString(&ti->name, name);
4922       setString(&ti->name_sorting, name);
4923       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
4924
4925       pushTreeInfo(&window_sizes, ti);
4926     }
4927
4928     /* sort window size values to start with lowest window size value */
4929     sortTreeInfo(&window_sizes);
4930
4931     /* set current window size value to configured window size value */
4932     window_size_current =
4933       getTreeInfoFromIdentifier(window_sizes,
4934                                 i_to_a(setup.window_scaling_percent));
4935
4936     /* if that fails, set current window size to reliable default value */
4937     if (window_size_current == NULL)
4938       window_size_current =
4939         getTreeInfoFromIdentifier(window_sizes,
4940                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4941
4942     /* if that also fails, set current window size to first available value */
4943     if (window_size_current == NULL)
4944       window_size_current = window_sizes;
4945   }
4946
4947   setup.window_scaling_percent = atoi(window_size_current->identifier);
4948
4949   /* needed for displaying window size text instead of identifier */
4950   window_size_text = window_size_current->name;
4951 }
4952
4953 static void execSetupGraphics_setScalingTypes()
4954 {
4955   if (scaling_types == NULL)
4956   {
4957     int i;
4958
4959     for (i = 0; scaling_types_list[i].value != NULL; i++)
4960     {
4961       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4962       char identifier[32], name[32];
4963       char *value = scaling_types_list[i].value;
4964       char *text = scaling_types_list[i].text;
4965
4966       ti->node_top = &scaling_types;
4967       ti->sort_priority = i;
4968
4969       sprintf(identifier, "%s", value);
4970       sprintf(name, "%s", text);
4971
4972       setString(&ti->identifier, identifier);
4973       setString(&ti->name, name);
4974       setString(&ti->name_sorting, name);
4975       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
4976
4977       pushTreeInfo(&scaling_types, ti);
4978     }
4979
4980     /* sort scaling type values to start with lowest scaling type value */
4981     sortTreeInfo(&scaling_types);
4982
4983     /* set current scaling type value to configured scaling type value */
4984     scaling_type_current =
4985       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4986
4987     /* if that fails, set current scaling type to reliable default value */
4988     if (scaling_type_current == NULL)
4989       scaling_type_current =
4990         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4991
4992     /* if that also fails, set current scaling type to first available value */
4993     if (scaling_type_current == NULL)
4994       scaling_type_current = scaling_types;
4995   }
4996
4997   setup.window_scaling_quality = scaling_type_current->identifier;
4998
4999   /* needed for displaying scaling type text instead of identifier */
5000   scaling_type_text = scaling_type_current->name;
5001 }
5002
5003 static void execSetupGraphics_setRenderingModes()
5004 {
5005   if (rendering_modes == NULL)
5006   {
5007     int i;
5008
5009     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5010     {
5011       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5012       char identifier[32], name[32];
5013       char *value = rendering_modes_list[i].value;
5014       char *text = rendering_modes_list[i].text;
5015
5016       ti->node_top = &rendering_modes;
5017       ti->sort_priority = i;
5018
5019       sprintf(identifier, "%s", value);
5020       sprintf(name, "%s", text);
5021
5022       setString(&ti->identifier, identifier);
5023       setString(&ti->name, name);
5024       setString(&ti->name_sorting, name);
5025       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5026
5027       pushTreeInfo(&rendering_modes, ti);
5028     }
5029
5030     /* sort rendering mode values to start with lowest rendering mode value */
5031     sortTreeInfo(&rendering_modes);
5032
5033     /* set current rendering mode value to configured rendering mode value */
5034     rendering_mode_current =
5035       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5036
5037     /* if that fails, set current rendering mode to reliable default value */
5038     if (rendering_mode_current == NULL)
5039       rendering_mode_current =
5040         getTreeInfoFromIdentifier(rendering_modes,
5041                                   STR_SPECIAL_RENDERING_DEFAULT);
5042
5043     /* if that also fails, set current rendering mode to first available one */
5044     if (rendering_mode_current == NULL)
5045       rendering_mode_current = rendering_modes;
5046   }
5047
5048   setup.screen_rendering_mode = rendering_mode_current->identifier;
5049
5050   /* needed for displaying rendering mode text instead of identifier */
5051   rendering_mode_text = rendering_mode_current->name;
5052 }
5053
5054 static void execSetupGraphics()
5055 {
5056   // update "setup.window_scaling_percent" from list selection
5057   // (in this case, window scaling was changed on setup screen)
5058   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5059     execSetupGraphics_setWindowSizes(FALSE);
5060
5061   // update list selection from "setup.window_scaling_percent"
5062   // (window scaling may have changed by resizing the window)
5063   execSetupGraphics_setWindowSizes(TRUE);
5064
5065   execSetupGraphics_setScalingTypes();
5066   execSetupGraphics_setRenderingModes();
5067
5068   setup_mode = SETUP_MODE_GRAPHICS;
5069
5070   DrawSetupScreen();
5071
5072 #if defined(TARGET_SDL2)
5073   // window scaling may have changed at this point
5074   ToggleFullscreenOrChangeWindowScalingIfNeeded();
5075
5076   // window scaling quality may have changed at this point
5077   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5078     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5079
5080   // screen rendering mode may have changed at this point
5081   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5082 #endif
5083 }
5084
5085 static void execSetupChooseWindowSize()
5086 {
5087   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5088
5089   DrawSetupScreen();
5090 }
5091
5092 static void execSetupChooseScalingType()
5093 {
5094   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5095
5096   DrawSetupScreen();
5097 }
5098
5099 static void execSetupChooseRenderingMode()
5100 {
5101   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5102
5103   DrawSetupScreen();
5104 }
5105
5106 static void execSetupChooseVolumeSimple()
5107 {
5108   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5109
5110   DrawSetupScreen();
5111 }
5112
5113 static void execSetupChooseVolumeLoops()
5114 {
5115   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5116
5117   DrawSetupScreen();
5118 }
5119
5120 static void execSetupChooseVolumeMusic()
5121 {
5122   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5123
5124   DrawSetupScreen();
5125 }
5126
5127 static void execSetupSound()
5128 {
5129   if (volumes_simple == NULL)
5130   {
5131     boolean current_volume_simple_found = FALSE;
5132     int i;
5133
5134     for (i = 0; volumes_list[i].value != -1; i++)
5135     {
5136       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5137       char identifier[32], name[32];
5138       int value = volumes_list[i].value;
5139       char *text = volumes_list[i].text;
5140
5141       ti->node_top = &volumes_simple;
5142       ti->sort_priority = value;
5143
5144       sprintf(identifier, "%d", value);
5145       sprintf(name, "%s", text);
5146
5147       setString(&ti->identifier, identifier);
5148       setString(&ti->name, name);
5149       setString(&ti->name_sorting, name);
5150       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5151
5152       pushTreeInfo(&volumes_simple, ti);
5153
5154       if (value == setup.volume_simple)
5155         current_volume_simple_found = TRUE;
5156     }
5157
5158     if (!current_volume_simple_found)
5159     {
5160       // add entry for non-preset volume value
5161
5162       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5163       char identifier[32], name[32];
5164       int value = setup.volume_simple;
5165
5166       ti->node_top = &volumes_simple;
5167       ti->sort_priority = value;
5168
5169       sprintf(identifier, "%d", value);
5170       sprintf(name, "%d %% (Current)", value);
5171
5172       setString(&ti->identifier, identifier);
5173       setString(&ti->name, name);
5174       setString(&ti->name_sorting, name);
5175       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5176
5177       pushTreeInfo(&volumes_simple, ti);
5178     }
5179
5180     /* sort volume values to start with lowest volume value */
5181     sortTreeInfo(&volumes_simple);
5182
5183     /* set current volume value to configured volume value */
5184     volume_simple_current =
5185       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5186
5187     /* if that fails, set current volume to reliable default value */
5188     if (volume_simple_current == NULL)
5189       volume_simple_current =
5190         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5191
5192     /* if that also fails, set current volume to first available value */
5193     if (volume_simple_current == NULL)
5194       volume_simple_current = volumes_simple;
5195   }
5196
5197   if (volumes_loops == NULL)
5198   {
5199     boolean current_volume_loops_found = FALSE;
5200     int i;
5201
5202     for (i = 0; volumes_list[i].value != -1; i++)
5203     {
5204       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5205       char identifier[32], name[32];
5206       int value = volumes_list[i].value;
5207       char *text = volumes_list[i].text;
5208
5209       ti->node_top = &volumes_loops;
5210       ti->sort_priority = value;
5211
5212       sprintf(identifier, "%d", value);
5213       sprintf(name, "%s", text);
5214
5215       setString(&ti->identifier, identifier);
5216       setString(&ti->name, name);
5217       setString(&ti->name_sorting, name);
5218       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5219
5220       pushTreeInfo(&volumes_loops, ti);
5221
5222       if (value == setup.volume_loops)
5223         current_volume_loops_found = TRUE;
5224     }
5225
5226     if (!current_volume_loops_found)
5227     {
5228       // add entry for non-preset volume value
5229
5230       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5231       char identifier[32], name[32];
5232       int value = setup.volume_loops;
5233
5234       ti->node_top = &volumes_loops;
5235       ti->sort_priority = value;
5236
5237       sprintf(identifier, "%d", value);
5238       sprintf(name, "%d %% (Current)", value);
5239
5240       setString(&ti->identifier, identifier);
5241       setString(&ti->name, name);
5242       setString(&ti->name_sorting, name);
5243       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5244
5245       pushTreeInfo(&volumes_loops, ti);
5246     }
5247
5248     /* sort volume values to start with lowest volume value */
5249     sortTreeInfo(&volumes_loops);
5250
5251     /* set current volume value to configured volume value */
5252     volume_loops_current =
5253       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5254
5255     /* if that fails, set current volume to reliable default value */
5256     if (volume_loops_current == NULL)
5257       volume_loops_current =
5258         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5259
5260     /* if that also fails, set current volume to first available value */
5261     if (volume_loops_current == NULL)
5262       volume_loops_current = volumes_loops;
5263   }
5264
5265   if (volumes_music == NULL)
5266   {
5267     boolean current_volume_music_found = FALSE;
5268     int i;
5269
5270     for (i = 0; volumes_list[i].value != -1; i++)
5271     {
5272       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5273       char identifier[32], name[32];
5274       int value = volumes_list[i].value;
5275       char *text = volumes_list[i].text;
5276
5277       ti->node_top = &volumes_music;
5278       ti->sort_priority = value;
5279
5280       sprintf(identifier, "%d", value);
5281       sprintf(name, "%s", text);
5282
5283       setString(&ti->identifier, identifier);
5284       setString(&ti->name, name);
5285       setString(&ti->name_sorting, name);
5286       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5287
5288       pushTreeInfo(&volumes_music, ti);
5289
5290       if (value == setup.volume_music)
5291         current_volume_music_found = TRUE;
5292     }
5293
5294     if (!current_volume_music_found)
5295     {
5296       // add entry for non-preset volume value
5297
5298       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5299       char identifier[32], name[32];
5300       int value = setup.volume_music;
5301
5302       ti->node_top = &volumes_music;
5303       ti->sort_priority = value;
5304
5305       sprintf(identifier, "%d", value);
5306       sprintf(name, "%d %% (Current)", value);
5307
5308       setString(&ti->identifier, identifier);
5309       setString(&ti->name, name);
5310       setString(&ti->name_sorting, name);
5311       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5312
5313       pushTreeInfo(&volumes_music, ti);
5314     }
5315
5316     /* sort volume values to start with lowest volume value */
5317     sortTreeInfo(&volumes_music);
5318
5319     /* set current volume value to configured volume value */
5320     volume_music_current =
5321       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5322
5323     /* if that fails, set current volume to reliable default value */
5324     if (volume_music_current == NULL)
5325       volume_music_current =
5326         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5327
5328     /* if that also fails, set current volume to first available value */
5329     if (volume_music_current == NULL)
5330       volume_music_current = volumes_music;
5331   }
5332
5333   setup.volume_simple = atoi(volume_simple_current->identifier);
5334   setup.volume_loops  = atoi(volume_loops_current->identifier);
5335   setup.volume_music  = atoi(volume_music_current->identifier);
5336
5337   /* needed for displaying volume text instead of identifier */
5338   volume_simple_text = volume_simple_current->name;
5339   volume_loops_text = volume_loops_current->name;
5340   volume_music_text = volume_music_current->name;
5341
5342   setup_mode = SETUP_MODE_SOUND;
5343
5344   DrawSetupScreen();
5345 }
5346
5347 static void execSetupChooseTouchControls()
5348 {
5349   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5350
5351   DrawSetupScreen();
5352 }
5353
5354 static void execSetupChooseMoveDistance()
5355 {
5356   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5357
5358   DrawSetupScreen();
5359 }
5360
5361 static void execSetupChooseDropDistance()
5362 {
5363   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5364
5365   DrawSetupScreen();
5366 }
5367
5368 static void execSetupChooseTransparency()
5369 {
5370   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5371
5372   DrawSetupScreen();
5373 }
5374
5375 static void execSetupChooseGridXSize_0()
5376 {
5377   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5378
5379   DrawSetupScreen();
5380 }
5381
5382 static void execSetupChooseGridYSize_0()
5383 {
5384   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5385
5386   DrawSetupScreen();
5387 }
5388
5389 static void execSetupChooseGridXSize_1()
5390 {
5391   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5392
5393   DrawSetupScreen();
5394 }
5395
5396 static void execSetupChooseGridYSize_1()
5397 {
5398   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5399
5400   DrawSetupScreen();
5401 }
5402
5403 static void execSetupConfigureVirtualButtons()
5404 {
5405   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5406
5407   ConfigureVirtualButtons();
5408
5409   setup_mode = SETUP_MODE_TOUCH;
5410
5411   DrawSetupScreen();
5412 }
5413
5414 static void execSetupTouch()
5415 {
5416   int i, j, k;
5417
5418   if (touch_controls == NULL)
5419   {
5420     for (i = 0; touch_controls_list[i].value != NULL; i++)
5421     {
5422       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5423       char identifier[32], name[32];
5424       char *value = touch_controls_list[i].value;
5425       char *text = touch_controls_list[i].text;
5426
5427       ti->node_top = &touch_controls;
5428       ti->sort_priority = i;
5429
5430       sprintf(identifier, "%s", value);
5431       sprintf(name, "%s", text);
5432
5433       setString(&ti->identifier, identifier);
5434       setString(&ti->name, name);
5435       setString(&ti->name_sorting, name);
5436       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5437
5438       pushTreeInfo(&touch_controls, ti);
5439     }
5440
5441     /* sort touch control values to start with lowest touch control value */
5442     sortTreeInfo(&touch_controls);
5443
5444     /* set current touch control value to configured touch control value */
5445     touch_control_current =
5446       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5447
5448     /* if that fails, set current touch control to reliable default value */
5449     if (touch_control_current == NULL)
5450       touch_control_current =
5451         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5452
5453     /* if that also fails, set current touch control to first available value */
5454     if (touch_control_current == NULL)
5455       touch_control_current = touch_controls;
5456   }
5457
5458   if (move_distances == NULL)
5459   {
5460     for (i = 0; distances_list[i].value != -1; i++)
5461     {
5462       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5463       char identifier[32], name[32];
5464       int value = distances_list[i].value;
5465       char *text = distances_list[i].text;
5466
5467       ti->node_top = &move_distances;
5468       ti->sort_priority = value;
5469
5470       sprintf(identifier, "%d", value);
5471       sprintf(name, "%s", text);
5472
5473       setString(&ti->identifier, identifier);
5474       setString(&ti->name, name);
5475       setString(&ti->name_sorting, name);
5476       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5477
5478       pushTreeInfo(&move_distances, ti);
5479     }
5480
5481     /* sort distance values to start with lowest distance value */
5482     sortTreeInfo(&move_distances);
5483
5484     /* set current distance value to configured distance value */
5485     move_distance_current =
5486       getTreeInfoFromIdentifier(move_distances,
5487                                 i_to_a(setup.touch.move_distance));
5488
5489     /* if that fails, set current distance to reliable default value */
5490     if (move_distance_current == NULL)
5491       move_distance_current =
5492         getTreeInfoFromIdentifier(move_distances,
5493                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
5494
5495     /* if that also fails, set current distance to first available value */
5496     if (move_distance_current == NULL)
5497       move_distance_current = move_distances;
5498   }
5499
5500   if (drop_distances == NULL)
5501   {
5502     for (i = 0; distances_list[i].value != -1; i++)
5503     {
5504       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5505       char identifier[32], name[32];
5506       int value = distances_list[i].value;
5507       char *text = distances_list[i].text;
5508
5509       ti->node_top = &drop_distances;
5510       ti->sort_priority = value;
5511
5512       sprintf(identifier, "%d", value);
5513       sprintf(name, "%s", text);
5514
5515       setString(&ti->identifier, identifier);
5516       setString(&ti->name, name);
5517       setString(&ti->name_sorting, name);
5518       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5519
5520       pushTreeInfo(&drop_distances, ti);
5521     }
5522
5523     /* sort distance values to start with lowest distance value */
5524     sortTreeInfo(&drop_distances);
5525
5526     /* set current distance value to configured distance value */
5527     drop_distance_current =
5528       getTreeInfoFromIdentifier(drop_distances,
5529                                 i_to_a(setup.touch.drop_distance));
5530
5531     /* if that fails, set current distance to reliable default value */
5532     if (drop_distance_current == NULL)
5533       drop_distance_current =
5534         getTreeInfoFromIdentifier(drop_distances,
5535                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
5536
5537     /* if that also fails, set current distance to first available value */
5538     if (drop_distance_current == NULL)
5539       drop_distance_current = drop_distances;
5540   }
5541
5542   if (transparencies == NULL)
5543   {
5544     for (i = 0; transparencies_list[i].value != -1; i++)
5545     {
5546       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5547       char identifier[32], name[32];
5548       int value = transparencies_list[i].value;
5549       char *text = transparencies_list[i].text;
5550
5551       ti->node_top = &transparencies;
5552       ti->sort_priority = value;
5553
5554       sprintf(identifier, "%d", value);
5555       sprintf(name, "%s", text);
5556
5557       setString(&ti->identifier, identifier);
5558       setString(&ti->name, name);
5559       setString(&ti->name_sorting, name);
5560       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
5561
5562       pushTreeInfo(&transparencies, ti);
5563     }
5564
5565     /* sort transparency values to start with lowest transparency value */
5566     sortTreeInfo(&transparencies);
5567
5568     /* set current transparency value to configured transparency value */
5569     transparency_current =
5570       getTreeInfoFromIdentifier(transparencies,
5571                                 i_to_a(setup.touch.transparency));
5572
5573     /* if that fails, set current transparency to reliable default value */
5574     if (transparency_current == NULL)
5575       transparency_current =
5576         getTreeInfoFromIdentifier(transparencies,
5577                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
5578
5579     /* if that also fails, set current transparency to first available value */
5580     if (transparency_current == NULL)
5581       transparency_current = transparencies;
5582   }
5583
5584   for (i = 0; i < 2; i++)
5585   {
5586     for (j = 0; j < 2; j++)
5587     {
5588       if (grid_sizes[i][j] == NULL)
5589       {
5590         for (k = 0; grid_sizes_list[k].value != -1; k++)
5591         {
5592           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5593           char identifier[32], name[32];
5594           int value = grid_sizes_list[k].value;
5595           char *text = grid_sizes_list[k].text;
5596
5597           ti->node_top = &grid_sizes[i][j];
5598           ti->sort_priority = value;
5599
5600           sprintf(identifier, "%d", value);
5601           sprintf(name, "%s", text);
5602
5603           setString(&ti->identifier, identifier);
5604           setString(&ti->name, name);
5605           setString(&ti->name_sorting, name);
5606           setString(&ti->infotext,
5607                     (i == 0 ?
5608                      (j == 0 ?
5609                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
5610                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
5611                      (j == 0 ?
5612                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
5613                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
5614
5615           pushTreeInfo(&grid_sizes[i][j], ti);
5616         }
5617
5618         /* sort grid size values to start with lowest grid size value */
5619         sortTreeInfo(&grid_sizes[i][j]);
5620
5621         /* set current grid size value to configured grid size value */
5622         grid_size_current[i][j] =
5623           getTreeInfoFromIdentifier(grid_sizes[i][j],
5624                                     i_to_a(j == 0 ?
5625                                            setup.touch.grid_xsize[i] :
5626                                            setup.touch.grid_ysize[i]));
5627
5628         /* if that fails, set current grid size to reliable default value */
5629         if (grid_size_current[i][j] == NULL)
5630           grid_size_current[i][j] =
5631             getTreeInfoFromIdentifier(grid_sizes[i][j],
5632                                       i_to_a(j == 0 ?
5633                                              DEFAULT_GRID_XSIZE(i) :
5634                                              DEFAULT_GRID_YSIZE(i)));
5635
5636         /* if that also fails, set current grid size to first available value */
5637         if (grid_size_current[i][j] == NULL)
5638           grid_size_current[i][j] = grid_sizes[i][j];
5639       }
5640     }
5641   }
5642
5643   setup.touch.control_type = touch_control_current->identifier;
5644   setup.touch.move_distance = atoi(move_distance_current->identifier);
5645   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5646   setup.touch.transparency = atoi(transparency_current->identifier);
5647
5648   for (i = 0; i < 2; i++)
5649   {
5650     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
5651     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
5652
5653     if (i == GRID_ACTIVE_NR())
5654     {
5655       overlay.grid_xsize = setup.touch.grid_xsize[i];
5656       overlay.grid_ysize = setup.touch.grid_ysize[i];
5657     }
5658   }
5659
5660   /* needed for displaying value text instead of identifier */
5661   touch_controls_text = touch_control_current->name;
5662   move_distance_text = move_distance_current->name;
5663   drop_distance_text = drop_distance_current->name;
5664   transparency_text = transparency_current->name;
5665
5666   for (i = 0; i < 2; i++)
5667     for (j = 0; j < 2; j++)
5668       grid_size_text[i][j] = grid_size_current[i][j]->name;
5669
5670   setup_mode = SETUP_MODE_TOUCH;
5671
5672   DrawSetupScreen();
5673 }
5674
5675 static void execSetupArtwork()
5676 {
5677 #if 0
5678   printf("::: '%s', '%s', '%s'\n",
5679          artwork.gfx_current->subdir,
5680          artwork.gfx_current->fullpath,
5681          artwork.gfx_current->basepath);
5682 #endif
5683
5684   setup.graphics_set = artwork.gfx_current->identifier;
5685   setup.sounds_set = artwork.snd_current->identifier;
5686   setup.music_set = artwork.mus_current->identifier;
5687
5688   /* needed if last screen (setup choice) changed graphics, sounds or music */
5689   ReloadCustomArtwork(0);
5690
5691   /* needed for displaying artwork name instead of artwork identifier */
5692   graphics_set_name = artwork.gfx_current->name;
5693   sounds_set_name = artwork.snd_current->name;
5694   music_set_name = artwork.mus_current->name;
5695
5696   setup_mode = SETUP_MODE_ARTWORK;
5697
5698   DrawSetupScreen();
5699 }
5700
5701 static void execSetupChooseGraphics()
5702 {
5703   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5704
5705   DrawSetupScreen();
5706 }
5707
5708 static void execSetupChooseSounds()
5709 {
5710   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5711
5712   DrawSetupScreen();
5713 }
5714
5715 static void execSetupChooseMusic()
5716 {
5717   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5718
5719   DrawSetupScreen();
5720 }
5721
5722 static void execSetupInput()
5723 {
5724   setup_mode = SETUP_MODE_INPUT;
5725
5726   DrawSetupScreen();
5727 }
5728
5729 static void execSetupShortcuts()
5730 {
5731   setup_mode = SETUP_MODE_SHORTCUTS;
5732
5733   DrawSetupScreen();
5734 }
5735
5736 static void execSetupShortcuts1()
5737 {
5738   setup_mode = SETUP_MODE_SHORTCUTS_1;
5739
5740   DrawSetupScreen();
5741 }
5742
5743 static void execSetupShortcuts2()
5744 {
5745   setup_mode = SETUP_MODE_SHORTCUTS_2;
5746
5747   DrawSetupScreen();
5748 }
5749
5750 static void execSetupShortcuts3()
5751 {
5752   setup_mode = SETUP_MODE_SHORTCUTS_3;
5753
5754   DrawSetupScreen();
5755 }
5756
5757 static void execSetupShortcuts4()
5758 {
5759   setup_mode = SETUP_MODE_SHORTCUTS_4;
5760
5761   DrawSetupScreen();
5762 }
5763
5764 static void execSetupShortcuts5()
5765 {
5766   setup_mode = SETUP_MODE_SHORTCUTS_5;
5767
5768   DrawSetupScreen();
5769 }
5770
5771 static void execExitSetup()
5772 {
5773   SetGameStatus(GAME_MODE_MAIN);
5774
5775   DrawMainMenu();
5776 }
5777
5778 static void execSaveAndExitSetup()
5779 {
5780   SaveSetup();
5781   execExitSetup();
5782 }
5783
5784 static struct
5785 {
5786   void *value;
5787   void *related_value;
5788 } hide_related_entry_list[] =
5789 {
5790   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
5791   { &setup.game_frame_delay,            &game_speed_text                },
5792
5793   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
5794   { &setup.scroll_delay_value,          &scroll_delay_text              },
5795
5796   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
5797   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
5798
5799   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
5800   { &setup.window_scaling_percent,      &window_size_text               },
5801
5802   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
5803   { &setup.window_scaling_quality,      &scaling_type_text              },
5804
5805   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
5806   { &setup.screen_rendering_mode,       &rendering_mode_text            },
5807
5808   { &setup.graphics_set,                execSetupChooseGraphics         },
5809   { &setup.graphics_set,                &graphics_set_name              },
5810
5811   { &setup.sounds_set,                  execSetupChooseSounds           },
5812   { &setup.sounds_set,                  &sounds_set_name                },
5813
5814   { &setup.music_set,                   execSetupChooseMusic            },
5815   { &setup.music_set,                   &music_set_name                 },
5816
5817   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
5818   { &setup.volume_simple,               &volume_simple_text             },
5819
5820   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
5821   { &setup.volume_loops,                &volume_loops_text              },
5822
5823   { &setup.volume_music,                execSetupChooseVolumeMusic      },
5824   { &setup.volume_music,                &volume_music_text              },
5825
5826   { &setup.touch.control_type,          execSetupChooseTouchControls    },
5827   { &setup.touch.control_type,          &touch_controls_text            },
5828
5829   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
5830   { &setup.touch.move_distance,         &move_distance_text             },
5831
5832   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
5833   { &setup.touch.drop_distance,         &drop_distance_text             },
5834
5835   { &setup.touch.transparency,          execSetupChooseTransparency     },
5836   { &setup.touch.transparency,          &transparency_text              },
5837
5838   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
5839   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
5840
5841   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
5842   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
5843
5844   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
5845   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
5846
5847   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
5848   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
5849
5850   { NULL,                               NULL                            }
5851 };
5852
5853 void setHideRelatedSetupEntries()
5854 {
5855   int i;
5856
5857   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
5858     if (hideSetupEntry(hide_related_entry_list[i].value))
5859       setHideSetupEntry(hide_related_entry_list[i].related_value);
5860 }
5861
5862 static struct TokenInfo setup_info_main[] =
5863 {
5864   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
5865   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
5866   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
5867   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
5868   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
5869   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
5870   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
5871   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
5872   { TYPE_EMPTY,         NULL,                   ""                      },
5873   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
5874   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
5875
5876   { 0,                  NULL,                   NULL                    }
5877 };
5878
5879 static struct TokenInfo setup_info_game[] =
5880 {
5881   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5882   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5883   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5884   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5885   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5886   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
5887   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5888   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5889   { TYPE_STRING,        &game_speed_text,       ""                      },
5890 #if 1
5891   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5892   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5893 #endif
5894   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5895   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5896   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5897   { TYPE_EMPTY,         NULL,                   ""                      },
5898   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5899
5900   { 0,                  NULL,                   NULL                    }
5901 };
5902
5903 static struct TokenInfo setup_info_editor[] =
5904 {
5905 #if 0
5906   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5907   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5908   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5909   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5910   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5911   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5912   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5913   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5914   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5915   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5916 #endif
5917   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
5918   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5919 #if 0
5920   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5921 #endif
5922   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5923   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5924   { TYPE_EMPTY,         NULL,                   ""                      },
5925 #if 0
5926   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5927   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5928   { TYPE_EMPTY,         NULL,                   ""                      },
5929 #endif
5930   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5931   { TYPE_EMPTY,         NULL,                   ""                      },
5932   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5933
5934   { 0,                  NULL,                   NULL                    }
5935 };
5936
5937 static struct TokenInfo setup_info_graphics[] =
5938 {
5939 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
5940   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5941   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5942   { TYPE_STRING,        &window_size_text,      ""                      },
5943   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5944   { TYPE_STRING,        &scaling_type_text,     ""                      },
5945   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
5946   { TYPE_STRING,        &rendering_mode_text,   ""                      },
5947 #endif
5948 #if 0
5949   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5950   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5951 #endif
5952   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5953   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5954   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5955   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5956   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5957   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5958   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5959   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5960   { TYPE_EMPTY,         NULL,                   ""                      },
5961   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5962
5963   { 0,                  NULL,                   NULL                    }
5964 };
5965
5966 static struct TokenInfo setup_info_sound[] =
5967 {
5968   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5969   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5970   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5971   { TYPE_EMPTY,         NULL,                   ""                      },
5972   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5973   { TYPE_STRING,        &volume_simple_text,    ""                      },
5974   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5975   { TYPE_STRING,        &volume_loops_text,     ""                      },
5976   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5977   { TYPE_STRING,        &volume_music_text,     ""                      },
5978   { TYPE_EMPTY,         NULL,                   ""                      },
5979   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5980
5981   { 0,                  NULL,                   NULL                    }
5982 };
5983
5984 static struct TokenInfo setup_info_artwork[] =
5985 {
5986   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5987   { TYPE_STRING,        &graphics_set_name,     ""                      },
5988   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5989   { TYPE_STRING,        &sounds_set_name,       ""                      },
5990   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5991   { TYPE_STRING,        &music_set_name,        ""                      },
5992   { TYPE_EMPTY,         NULL,                   ""                      },
5993   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5994   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5995   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5996   { TYPE_EMPTY,         NULL,                   ""                      },
5997   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5998
5999   { 0,                  NULL,                   NULL                    }
6000 };
6001
6002 static struct TokenInfo setup_info_input[] =
6003 {
6004   { TYPE_SWITCH,        NULL,                   "Player:"               },
6005   { TYPE_SWITCH,        NULL,                   "Device:"               },
6006   { TYPE_SWITCH,        NULL,                   ""                      },
6007   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6008   { TYPE_EMPTY,         NULL,                   ""                      },
6009   { TYPE_EMPTY,         NULL,                   ""                      },
6010   { TYPE_EMPTY,         NULL,                   ""                      },
6011   { TYPE_EMPTY,         NULL,                   ""                      },
6012   { TYPE_EMPTY,         NULL,                   ""                      },
6013   { TYPE_EMPTY,         NULL,                   ""                      },
6014   { TYPE_EMPTY,         NULL,                   ""                      },
6015   { TYPE_EMPTY,         NULL,                   ""                      },
6016   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6017   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6018
6019   { 0,                  NULL,                   NULL                    }
6020 };
6021
6022 static struct TokenInfo setup_info_touch[] =
6023 {
6024   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6025   { TYPE_STRING,        &touch_controls_text,   ""                      },
6026   { TYPE_EMPTY,         NULL,                   ""                      },
6027   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6028
6029   { 0,                  NULL,                   NULL                    }
6030 };
6031
6032 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6033 {
6034   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6035   { TYPE_STRING,        &touch_controls_text,   ""                      },
6036   { TYPE_EMPTY,         NULL,                   ""                      },
6037   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6038   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6039   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6040   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6041   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6042   { TYPE_STRING,        &transparency_text,     ""                      },
6043   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6044   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6045   { TYPE_EMPTY,         NULL,                   ""                      },
6046   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6047   { TYPE_EMPTY,         NULL,                   ""                      },
6048   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6049
6050   { 0,                  NULL,                   NULL                    }
6051 };
6052
6053 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6054 {
6055   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6056   { TYPE_STRING,        &touch_controls_text,   ""                      },
6057   { TYPE_EMPTY,         NULL,                   ""                      },
6058   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6059   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6060   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6061   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6062   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6063   { TYPE_STRING,        &transparency_text,     ""                      },
6064   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6065   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6066   { TYPE_EMPTY,         NULL,                   ""                      },
6067   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6068   { TYPE_EMPTY,         NULL,                   ""                      },
6069   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6070
6071   { 0,                  NULL,                   NULL                    }
6072 };
6073
6074 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6075 {
6076   setup_info_touch_virtual_buttons_0,
6077   setup_info_touch_virtual_buttons_1
6078 };
6079
6080 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6081 {
6082   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6083   { TYPE_STRING,        &touch_controls_text,   ""                      },
6084   { TYPE_EMPTY,         NULL,                   ""                      },
6085   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6086   { TYPE_STRING,        &move_distance_text,    ""                      },
6087   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6088   { TYPE_STRING,        &drop_distance_text,    ""                      },
6089   { TYPE_EMPTY,         NULL,                   ""                      },
6090   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6091
6092   { 0,                  NULL,                   NULL                    }
6093 };
6094
6095 static struct TokenInfo setup_info_shortcuts[] =
6096 {
6097   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6098   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6099   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6100   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6101   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6102   { TYPE_EMPTY,         NULL,                   ""                      },
6103   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6104
6105   { 0,                  NULL,                   NULL                    }
6106 };
6107
6108 static struct TokenInfo setup_info_shortcuts_1[] =
6109 {
6110   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6111   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6112   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6113   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6114   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6115   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6116   { TYPE_EMPTY,         NULL,                   ""                      },
6117   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6118   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6119   { TYPE_EMPTY,         NULL,                   ""                      },
6120   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6121
6122   { 0,                  NULL,                   NULL                    }
6123 };
6124
6125 static struct TokenInfo setup_info_shortcuts_2[] =
6126 {
6127   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6128   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6129   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6130   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6131   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6132   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6133   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6134   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6135   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6136   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6137   { TYPE_EMPTY,         NULL,                   ""                      },
6138   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6139
6140   { 0,                  NULL,                   NULL                    }
6141 };
6142
6143 static struct TokenInfo setup_info_shortcuts_3[] =
6144 {
6145   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6146   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6147   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6148   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6149   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6150   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6151   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6152   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6153   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6154   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6155   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6156   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6157   { TYPE_EMPTY,         NULL,                   ""                      },
6158   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6159
6160   { 0,                  NULL,                   NULL                    }
6161 };
6162
6163 static struct TokenInfo setup_info_shortcuts_4[] =
6164 {
6165   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6166   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6167   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6168   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6169   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6170   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6171   { TYPE_EMPTY,         NULL,                   ""                      },
6172   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6173
6174   { 0,                  NULL,                   NULL                    }
6175 };
6176
6177 static struct TokenInfo setup_info_shortcuts_5[] =
6178 {
6179   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6180   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6181   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6182   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6183   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6184   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6185   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6186   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6187   { TYPE_EMPTY,         NULL,                   ""                      },
6188   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6189
6190   { 0,                  NULL,                   NULL                    }
6191 };
6192
6193 static Key getSetupKey()
6194 {
6195   Key key = KSYM_UNDEFINED;
6196   boolean got_key_event = FALSE;
6197
6198   while (!got_key_event)
6199   {
6200     Event event;
6201
6202     if (NextValidEvent(&event))
6203     {
6204       switch (event.type)
6205       {
6206         case EVENT_KEYPRESS:
6207           {
6208             key = GetEventKey((KeyEvent *)&event, TRUE);
6209
6210             /* press 'Escape' or 'Enter' to keep the existing key binding */
6211             if (key == KSYM_Escape || key == KSYM_Return)
6212               key = KSYM_UNDEFINED;     /* keep old value */
6213
6214             got_key_event = TRUE;
6215           }
6216           break;
6217
6218         case EVENT_KEYRELEASE:
6219           key_joystick_mapping = 0;
6220           break;
6221
6222         default:
6223           HandleOtherEvents(&event);
6224           break;
6225       }
6226     }
6227
6228     BackToFront();
6229   }
6230
6231   return key;
6232 }
6233
6234 static int getSetupValueFont(int type, void *value)
6235 {
6236   if (type & TYPE_GHOSTED)
6237     return FONT_OPTION_OFF;
6238   else if (type & TYPE_KEY)
6239     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6240   else if (type & TYPE_STRING)
6241     return FONT_VALUE_2;
6242   else if (type & TYPE_ECS_AGA)
6243     return FONT_VALUE_1;
6244   else if (type & TYPE_BOOLEAN_STYLE)
6245     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6246   else if (type & TYPE_YES_NO_AUTO)
6247     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6248             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6249   else
6250     return FONT_VALUE_1;
6251 }
6252
6253 static int getSetupValueFontNarrow(int type, int font_nr)
6254 {
6255   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6256           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6257           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6258           font_nr);
6259 }
6260
6261 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6262 {
6263   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6264   struct TokenInfo *si = &setup_info[si_pos];
6265   boolean font_draw_xoffset_modified = FALSE;
6266   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6267   int font_draw_xoffset_old = -1;
6268   int xoffset = (scrollbar_needed ? -1 : 0);
6269   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6270   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6271   int xpos = menu_screen_value_xpos;
6272   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6273   int startx = mSX + xpos * 32;
6274   int starty = mSY + ypos * 32;
6275   int font_nr, font_nr_default, font_width_default;
6276   int type = si->type;
6277   void *value = si->value;
6278   char *value_string = getSetupValue(type, value);
6279   int i;
6280
6281   if (value_string == NULL)
6282     return;
6283
6284   if (type & TYPE_KEY)
6285   {
6286     xpos = MENU_SCREEN_START_XPOS;
6287
6288     if (type & TYPE_QUERY)
6289       value_string = "<press key>";
6290   }
6291   else if (type & TYPE_STRING)
6292   {
6293     int max_value_len = (SCR_FIELDX - 2) * 2;
6294
6295     xpos = MENU_SCREEN_START_XPOS;
6296
6297     if (strlen(value_string) > max_value_len)
6298       value_string[max_value_len] = '\0';
6299   }
6300   else if (type & TYPE_YES_NO_AUTO)
6301   {
6302     xpos = menu_screen_value_xpos - 1;
6303   }
6304
6305   startx = mSX + xpos * 32;
6306   starty = mSY + ypos * 32;
6307   font_nr_default = getSetupValueFont(type, value);
6308   font_width_default = getFontWidth(font_nr_default);
6309
6310   font_nr = font_nr_default;
6311
6312   // special check if right-side setup values moved left due to scrollbar
6313   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
6314   {
6315     int max_menu_text_length = 26;      // maximum text length for classic menu
6316     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6317     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6318     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6319     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6320     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
6321
6322     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
6323     {
6324       xpos += 1;
6325       startx = mSX + xpos * 32;
6326
6327       font_nr = getSetupValueFontNarrow(type, font_nr);
6328     }
6329   }
6330
6331   /* downward compatibility correction for Juergen Bonhagen's menu settings */
6332   if (setup_mode != SETUP_MODE_INPUT)
6333   {
6334     int max_menu_text_length_big = (menu_screen_value_xpos -
6335                                     MENU_SCREEN_START_XPOS);
6336     int max_menu_text_length_medium = max_menu_text_length_big * 2;
6337     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
6338     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6339     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
6340     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6341     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6342     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6343     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
6344     boolean correct_font_draw_xoffset = FALSE;
6345
6346     if (xpos == MENU_SCREEN_START_XPOS &&
6347         startx + font1_xoffset < text_startx + text_font_xoffset)
6348       correct_font_draw_xoffset = TRUE;
6349
6350     if (xpos == menu_screen_value_xpos &&
6351         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
6352       correct_font_draw_xoffset = TRUE;
6353
6354     /* check if setup value would overlap with setup text when printed */
6355     /* (this can happen for extreme/wrong values for font draw offset) */
6356     if (correct_font_draw_xoffset)
6357     {
6358       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
6359       font_draw_xoffset_modified = TRUE;
6360
6361       if (type & TYPE_KEY)
6362         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
6363       else if (!(type & TYPE_STRING))
6364         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
6365           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
6366     }
6367   }
6368
6369   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
6370     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
6371
6372   DrawText(startx, starty, value_string, font_nr);
6373
6374   if (font_draw_xoffset_modified)
6375     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
6376 }
6377
6378 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
6379 {
6380   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6381   struct TokenInfo *si = &setup_info[si_pos];
6382
6383   if (si->type & TYPE_BOOLEAN_STYLE)
6384   {
6385     *(boolean *)si->value ^= TRUE;
6386   }
6387   else if (si->type & TYPE_YES_NO_AUTO)
6388   {
6389     *(int *)si->value =
6390       (dx == -1 ?
6391        (*(int *)si->value == AUTO ? TRUE :
6392         *(int *)si->value == TRUE ? FALSE : AUTO) :
6393        (*(int *)si->value == TRUE ? AUTO :
6394         *(int *)si->value == AUTO ? FALSE : TRUE));
6395   }
6396   else if (si->type & TYPE_KEY)
6397   {
6398     Key key;
6399
6400     si->type |= TYPE_QUERY;
6401     drawSetupValue(screen_pos, setup_info_pos_raw);
6402     si->type &= ~TYPE_QUERY;
6403
6404     key = getSetupKey();
6405     if (key != KSYM_UNDEFINED)
6406       *(Key *)si->value = key;
6407   }
6408
6409   drawSetupValue(screen_pos, setup_info_pos_raw);
6410
6411   // fullscreen state may have changed at this point
6412   if (si->value == &setup.fullscreen)
6413     ToggleFullscreenOrChangeWindowScalingIfNeeded();
6414 }
6415
6416 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
6417 {
6418   static struct TokenInfo *setup_info_final = NULL;
6419   int list_size = 0;
6420   int list_pos = 0;
6421   int i;
6422
6423   /* determine maximum list size of target list */
6424   while (setup_info_orig[list_size++].type != 0);
6425
6426   /* free, allocate and clear memory for target list */
6427   checked_free(setup_info_final);
6428   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
6429
6430   /* copy setup info list without setup entries marked as hidden */
6431   for (i = 0; setup_info_orig[i].type != 0; i++)
6432   {
6433     /* skip setup entries configured to be hidden */
6434     if (hideSetupEntry(setup_info_orig[i].value))
6435       continue;
6436
6437     /* skip skippable setup entries if screen is lower than usual */
6438     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
6439         setup_info_orig[i].type == TYPE_SKIPPABLE)
6440       continue;
6441
6442     setup_info_final[list_pos++] = setup_info_orig[i];
6443   }
6444
6445   return setup_info_final;
6446 }
6447
6448 static void DrawSetupScreen_Generic()
6449 {
6450   int fade_mask = REDRAW_FIELD;
6451   boolean redraw_all = FALSE;
6452   char *title_string = NULL;
6453   int i;
6454
6455   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
6456     fade_mask = REDRAW_ALL;
6457
6458   UnmapAllGadgets();
6459   FadeMenuSoundsAndMusic();
6460
6461   FreeScreenGadgets();
6462   CreateScreenGadgets();
6463
6464   if (redraw_mask & REDRAW_ALL)
6465     redraw_all = TRUE;
6466
6467   FadeOut(fade_mask);
6468
6469   /* needed if different viewport properties defined for setup screen */
6470   ChangeViewportPropertiesIfNeeded();
6471
6472   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6473
6474   ClearField();
6475
6476   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
6477
6478   if (setup_mode == SETUP_MODE_MAIN)
6479   {
6480     setup_info = setup_info_main;
6481     title_string = STR_SETUP_MAIN;
6482   }
6483   else if (setup_mode == SETUP_MODE_GAME)
6484   {
6485     setup_info = setup_info_game;
6486     title_string = STR_SETUP_GAME;
6487   }
6488   else if (setup_mode == SETUP_MODE_EDITOR)
6489   {
6490     setup_info = setup_info_editor;
6491     title_string = STR_SETUP_EDITOR;
6492   }
6493   else if (setup_mode == SETUP_MODE_GRAPHICS)
6494   {
6495     setup_info = setup_info_graphics;
6496     title_string = STR_SETUP_GRAPHICS;
6497   }
6498   else if (setup_mode == SETUP_MODE_SOUND)
6499   {
6500     setup_info = setup_info_sound;
6501     title_string = STR_SETUP_SOUND;
6502   }
6503   else if (setup_mode == SETUP_MODE_ARTWORK)
6504   {
6505     setup_info = setup_info_artwork;
6506     title_string = STR_SETUP_ARTWORK;
6507   }
6508   else if (setup_mode == SETUP_MODE_TOUCH)
6509   {
6510     setup_info = setup_info_touch;
6511     title_string = STR_SETUP_TOUCH;
6512
6513     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
6514       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
6515     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
6516       setup_info = setup_info_touch_wipe_gestures;
6517   }
6518   else if (setup_mode == SETUP_MODE_SHORTCUTS)
6519   {
6520     setup_info = setup_info_shortcuts;
6521     title_string = STR_SETUP_SHORTCUTS;
6522   }
6523   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
6524   {
6525     setup_info = setup_info_shortcuts_1;
6526     title_string = STR_SETUP_SHORTCUTS;
6527   }
6528   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
6529   {
6530     setup_info = setup_info_shortcuts_2;
6531     title_string = STR_SETUP_SHORTCUTS;
6532   }
6533   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
6534   {
6535     setup_info = setup_info_shortcuts_3;
6536     title_string = STR_SETUP_SHORTCUTS;
6537   }
6538   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
6539   {
6540     setup_info = setup_info_shortcuts_4;
6541     title_string = STR_SETUP_SHORTCUTS;
6542   }
6543   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
6544   {
6545     setup_info = setup_info_shortcuts_5;
6546     title_string = STR_SETUP_SHORTCUTS;
6547   }
6548
6549   /* use modified setup info without setup entries marked as hidden */
6550   setup_info = getSetupInfoFinal(setup_info);
6551
6552   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
6553
6554   // determine maximal number of setup entries that can be displayed on screen
6555   num_setup_info = 0;
6556   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
6557     num_setup_info++;
6558
6559   // determine maximal number of setup entries available for this setup screen
6560   max_setup_info = 0;
6561   for (i = 0; setup_info[i].type != 0; i++)
6562     max_setup_info++;
6563
6564   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
6565
6566   MapScreenGadgets(max_setup_info);
6567
6568   if (redraw_all)
6569     redraw_mask = fade_mask = REDRAW_ALL;
6570
6571   DrawMaskedBorder(fade_mask);
6572
6573   FadeIn(fade_mask);
6574 }
6575
6576 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
6577 {
6578   menu_info = setup_info;
6579
6580   HandleMenuScreen(mx, my, dx, dy, button,
6581                    setup_mode, num_setup_info, max_setup_info);
6582 }
6583
6584 void DrawSetupScreen_Input()
6585 {
6586   int i;
6587
6588   FadeOut(REDRAW_FIELD);
6589
6590   ClearField();
6591
6592   setup_info = getSetupInfoFinal(setup_info_input);
6593
6594   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
6595
6596   for (i = 0; setup_info[i].type != 0; i++)
6597   {
6598     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
6599       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
6600     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
6601       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
6602     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
6603       initCursor(i, IMG_MENU_BUTTON);
6604
6605     DrawCursorAndText_Setup(i, -1, FALSE);
6606   }
6607
6608   /* create gadgets for setup input menu screen */
6609   FreeScreenGadgets();
6610   CreateScreenGadgets();
6611
6612   /* map gadgets for setup input menu screen */
6613   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
6614
6615   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
6616
6617   FadeIn(REDRAW_FIELD);
6618 }
6619
6620 static void setJoystickDeviceToNr(char *device_name, int device_nr)
6621 {
6622   if (device_name == NULL)
6623     return;
6624
6625   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
6626     device_nr = 0;
6627
6628   if (strlen(device_name) > 1)
6629   {
6630     char c1 = device_name[strlen(device_name) - 1];
6631     char c2 = device_name[strlen(device_name) - 2];
6632
6633     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
6634       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
6635   }
6636   else
6637     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
6638             strlen(device_name));
6639 }
6640
6641 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
6642 {
6643   int i;
6644   static struct SetupKeyboardInfo custom_key;
6645   static struct
6646   {
6647     Key *key;
6648     char *text;
6649   } custom[] =
6650   {
6651     { &custom_key.left,  "Axis/Pad Left"  },
6652     { &custom_key.right, "Axis/Pad Right" },
6653     { &custom_key.up,    "Axis/Pad Up"    },
6654     { &custom_key.down,  "Axis/Pad Down"  },
6655     { &custom_key.snap,  "Button 1/A/X"   },
6656     { &custom_key.drop,  "Button 2/B/Y"   }
6657   };
6658   static char *joystick_name[MAX_PLAYERS] =
6659   {
6660     "Joystick1",
6661     "Joystick2",
6662     "Joystick3",
6663     "Joystick4"
6664   };
6665   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
6666   int font_nr_info = FONT_MENU_1;
6667   int font_nr_name = FONT_VALUE_OLD;
6668   int font_nr_on   = FONT_VALUE_1;
6669   int font_nr_off  = FONT_VALUE_OLD;
6670   int pos = 4;
6671
6672   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
6673   {
6674     font_nr_info = FONT_MENU_2;
6675     font_nr_on   = FONT_VALUE_NARROW;
6676     font_nr_off  = FONT_VALUE_OLD_NARROW;
6677   }
6678
6679   custom_key = setup.input[player_nr].key;
6680
6681   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
6682            FONT_INPUT_1_ACTIVE);
6683
6684   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6685                              TILEX, TILEY);
6686   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6687                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6688
6689   if (setup.input[player_nr].use_joystick)
6690   {
6691     char *device_name = setup.input[player_nr].joy.device_name;
6692     int joystick_nr = getJoystickNrFromDeviceName(device_name);
6693     boolean joystick_active = CheckJoystickOpened(joystick_nr);
6694     char *text = joystick_name[joystick_nr];
6695     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
6696
6697     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
6698     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
6699   }
6700   else
6701   {
6702     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
6703     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
6704   }
6705
6706   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
6707     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
6708   else
6709     pos = 3;
6710
6711   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
6712   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
6713   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
6714   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
6715
6716   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
6717   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
6718   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
6719   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
6720   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
6721   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
6722
6723   for (i = 0; i < 6; i++)
6724   {
6725     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
6726
6727     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6728              "              ", font_nr_on);
6729     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6730              (setup.input[player_nr].use_joystick ?
6731               custom[i].text :
6732               getKeyNameFromKey(*custom[i].key)), font_nr_on);
6733   }
6734 }
6735
6736 static int input_player_nr = 0;
6737
6738 void HandleSetupScreen_Input_Player(int step, int direction)
6739 {
6740   int old_player_nr = input_player_nr;
6741   int new_player_nr;
6742
6743   new_player_nr = old_player_nr + step * direction;
6744   if (new_player_nr < 0)
6745     new_player_nr = 0;
6746   if (new_player_nr > MAX_PLAYERS - 1)
6747     new_player_nr = MAX_PLAYERS - 1;
6748
6749   if (new_player_nr != old_player_nr)
6750   {
6751     input_player_nr = new_player_nr;
6752
6753     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6754   }
6755 }
6756
6757 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6758 {
6759   static int choice = 0;
6760   int x = 0;
6761   int y = choice;
6762   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6763   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6764   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6765   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6766
6767   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
6768   {
6769     int i;
6770
6771     for (i = 0; setup_info_input[i].type != 0; i++)
6772     {
6773       /* adjust menu structure according to skipped setup entries */
6774       if (setup_info_input[i].type == TYPE_SKIPPABLE)
6775       {
6776         pos_empty2--;
6777         pos_end--;
6778       }
6779     }
6780   }
6781
6782   if (button == MB_MENU_INITIALIZE)
6783   {
6784     /* input setup menu may have changed size due to graphics configuration */
6785     if (choice >= pos_empty1)
6786       choice = pos_end;
6787
6788     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6789
6790     DrawCursorAndText_Setup(choice, -1, TRUE);
6791
6792     return;
6793   }
6794   else if (button == MB_MENU_LEAVE)
6795   {
6796     setup_mode = SETUP_MODE_MAIN;
6797     DrawSetupScreen();
6798     InitJoysticks();
6799
6800     return;
6801   }
6802
6803   if (mx || my)         /* mouse input */
6804   {
6805     x = (mx - mSX) / 32;
6806     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6807   }
6808   else if (dx || dy)    /* keyboard input */
6809   {
6810     if (dx && choice == 0)
6811       x = (dx < 0 ? 10 : 12);
6812     else if ((dx && choice == 1) ||
6813              (dx == -1 && choice == pos_end))
6814       button = MB_MENU_CHOICE;
6815     else if (dy)
6816       y = choice + dy;
6817
6818     if (y >= pos_empty1 && y <= pos_empty2)
6819       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6820   }
6821
6822   if (y == 0 && dx != 0 && button)
6823   {
6824     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6825   }
6826   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6827            y >= pos_start && y <= pos_end &&
6828            !(y >= pos_empty1 && y <= pos_empty2))
6829   {
6830     if (button)
6831     {
6832       if (y != choice)
6833       {
6834         DrawCursorAndText_Setup(choice, -1, FALSE);
6835         DrawCursorAndText_Setup(y, -1, TRUE);
6836
6837         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6838
6839         choice = y;
6840       }
6841     }
6842     else
6843     {
6844       if (y == 1)
6845       {
6846         char *device_name = setup.input[input_player_nr].joy.device_name;
6847
6848         if (!setup.input[input_player_nr].use_joystick)
6849         {
6850           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6851
6852           setJoystickDeviceToNr(device_name, new_device_nr);
6853           setup.input[input_player_nr].use_joystick = TRUE;
6854         }
6855         else
6856         {
6857           int device_nr = getJoystickNrFromDeviceName(device_name);
6858           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6859
6860           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6861             setup.input[input_player_nr].use_joystick = FALSE;
6862           else
6863             setJoystickDeviceToNr(device_name, new_device_nr);
6864         }
6865
6866         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6867       }
6868       else if (y == 2)
6869       {
6870         if (setup.input[input_player_nr].use_joystick)
6871           ConfigureJoystick(input_player_nr);
6872         else
6873           CustomizeKeyboard(input_player_nr);
6874       }
6875       else if (y == pos_end)
6876       {
6877         InitJoysticks();
6878
6879         FadeSetLeaveMenu();
6880
6881         setup_mode = SETUP_MODE_MAIN;
6882         DrawSetupScreen();
6883       }
6884     }
6885   }
6886 }
6887
6888 static boolean CustomizeKeyboardMain(int player_nr)
6889 {
6890   int i;
6891   int step_nr;
6892   boolean finished = FALSE;
6893   static struct SetupKeyboardInfo custom_key;
6894   static struct
6895   {
6896     Key *key;
6897     char *text;
6898   } customize_step[] =
6899   {
6900     { &custom_key.left,  "Move Left"    },
6901     { &custom_key.right, "Move Right"   },
6902     { &custom_key.up,    "Move Up"      },
6903     { &custom_key.down,  "Move Down"    },
6904     { &custom_key.snap,  "Snap Field"   },
6905     { &custom_key.drop,  "Drop Element" }
6906   };
6907   int font_nr_old = FONT_VALUE_OLD;
6908   int font_nr_new = FONT_VALUE_1;
6909   boolean success = FALSE;
6910
6911   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
6912   {
6913     font_nr_old = FONT_VALUE_OLD_NARROW;
6914     font_nr_new = FONT_VALUE_NARROW;
6915   }
6916
6917   /* read existing key bindings from player setup */
6918   custom_key = setup.input[player_nr].key;
6919
6920   FadeSetEnterMenu();
6921   FadeOut(REDRAW_FIELD);
6922
6923   ClearField();
6924
6925   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6926
6927   step_nr = 0;
6928   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6929            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6930   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6931            "Key:", FONT_INPUT_1_ACTIVE);
6932   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6933            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
6934
6935   FadeIn(REDRAW_FIELD);
6936
6937   while (!finished)
6938   {
6939     Event event;
6940
6941     if (NextValidEvent(&event))
6942     {
6943       switch (event.type)
6944       {
6945         case EVENT_KEYPRESS:
6946           {
6947             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6948
6949             /* press 'Escape' to abort and keep the old key bindings */
6950             if (key == KSYM_Escape)
6951             {
6952               FadeSkipNextFadeIn();
6953
6954               finished = TRUE;
6955
6956               break;
6957             }
6958
6959             /* press 'Enter' to keep the existing key binding */
6960             if (key == KSYM_Return)
6961               key = *customize_step[step_nr].key;
6962
6963             /* check if key already used */
6964             for (i = 0; i < step_nr; i++)
6965               if (*customize_step[i].key == key)
6966                 break;
6967             if (i < step_nr)
6968               break;
6969
6970             /* got new key binding */
6971             *customize_step[step_nr].key = key;
6972             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6973                      "             ", font_nr_new);
6974             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6975                      getKeyNameFromKey(key), font_nr_new);
6976             step_nr++;
6977
6978             /* un-highlight last query */
6979             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6980                      customize_step[step_nr - 1].text, FONT_MENU_1);
6981             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6982                      "Key:", FONT_MENU_1);
6983
6984             /* all keys configured */
6985             if (step_nr == 6)
6986             {
6987               finished = TRUE;
6988               success = TRUE;
6989
6990               break;
6991             }
6992
6993             /* query next key binding */
6994             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6995                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6996             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6997                      "Key:", FONT_INPUT_1_ACTIVE);
6998             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6999                      getKeyNameFromKey(*customize_step[step_nr].key),
7000                      font_nr_old);
7001           }
7002           break;
7003
7004         case EVENT_KEYRELEASE:
7005           key_joystick_mapping = 0;
7006           break;
7007
7008         default:
7009           HandleOtherEvents(&event);
7010           break;
7011       }
7012     }
7013
7014     BackToFront();
7015   }
7016
7017   /* write new key bindings back to player setup, if successfully finished */
7018   if (success)
7019     setup.input[player_nr].key = custom_key;
7020
7021   return success;
7022 }
7023
7024 void CustomizeKeyboard(int player_nr)
7025 {
7026   boolean success = CustomizeKeyboardMain(player_nr);
7027
7028   if (success)
7029   {
7030     int font_nr = FONT_TITLE_1;
7031     int font_height = getFontHeight(font_nr);
7032     int ypos1 = SYSIZE / 2 - font_height * 2;
7033     int ypos2 = SYSIZE / 2 - font_height * 1;
7034     unsigned int wait_frame_delay = 0;
7035     unsigned int wait_frame_delay_value = 2000;
7036
7037     ResetDelayCounter(&wait_frame_delay);
7038
7039     ClearField();
7040
7041     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7042     DrawTextSCentered(ypos2, font_nr, "configured!");
7043
7044     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7045       BackToFront();
7046
7047     ClearEventQueue();
7048   }
7049
7050   DrawSetupScreen_Input();
7051 }
7052
7053 /* game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com> */
7054
7055 #define MARKER_BUTTON           1
7056 #define MARKER_AXIS_X           2
7057 #define MARKER_AXIS_Y           3
7058
7059 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7060 {
7061 #if defined(TARGET_SDL2)
7062   static boolean bitmaps_initialized = FALSE;
7063   boolean screen_initialized = FALSE;
7064   static Bitmap *controller, *button, *axis_x, *axis_y;
7065   char *name;
7066   boolean success = TRUE;
7067   boolean done = FALSE, next = FALSE;
7068   Event event;
7069   int alpha = 200, alpha_step = -1;
7070   int alpha_ticks = 0;
7071   char mapping[4096], temp[4096];
7072   int font_name = MENU_SETUP_FONT_TITLE;
7073   int font_info = MENU_SETUP_FONT_TEXT;
7074   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7075   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7076   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7077   int ystep_name = getMenuTextStep(spacing_name, font_name);
7078   int ystep_line = getMenuTextStep(spacing_line, font_info);
7079   int ystep_para = getMenuTextStep(spacing_para, font_info);
7080   int i, j;
7081
7082   struct
7083   {
7084     int x, y;
7085     int marker;
7086     char *field;
7087     int axis, button, hat, hat_value;
7088     char mapping[4096];
7089   }
7090   *step, *prev_step, steps[] =
7091   {
7092     { 356, 155, MARKER_BUTTON, "a",             },
7093     { 396, 122, MARKER_BUTTON, "b",             },
7094     { 320, 125, MARKER_BUTTON, "x",             },
7095     { 358,  95, MARKER_BUTTON, "y",             },
7096     { 162, 125, MARKER_BUTTON, "back",          },
7097     { 216, 125, MARKER_BUTTON, "guide",         },
7098     { 271, 125, MARKER_BUTTON, "start",         },
7099     { 110, 200, MARKER_BUTTON, "dpleft",        },
7100     { 146, 228, MARKER_BUTTON, "dpdown",        },
7101     { 178, 200, MARKER_BUTTON, "dpright",       },
7102     { 146, 172, MARKER_BUTTON, "dpup",          },
7103     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7104     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7105     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7106     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7107     {  73, 141, MARKER_BUTTON, "leftstick",     },
7108     { 282, 210, MARKER_BUTTON, "rightstick",    },
7109     {  73, 141, MARKER_AXIS_X, "leftx",         },
7110     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7111     { 282, 210, MARKER_AXIS_X, "rightx",        },
7112     { 282, 210, MARKER_AXIS_Y, "righty",        },
7113   };
7114
7115   unsigned int event_frame_delay = 0;
7116   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7117
7118   ResetDelayCounter(&event_frame_delay);
7119
7120   if (!bitmaps_initialized)
7121   {
7122     controller = LoadCustomImage("joystick/controller.png");
7123     button     = LoadCustomImage("joystick/button.png");
7124     axis_x     = LoadCustomImage("joystick/axis_x.png");
7125     axis_y     = LoadCustomImage("joystick/axis_y.png");
7126
7127     bitmaps_initialized = TRUE;
7128   }
7129
7130   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7131
7132 #if DEBUG_JOYSTICKS
7133   /* print info about the joystick we are watching */
7134   Error(ERR_DEBUG, "watching joystick %d: (%s)\n",
7135         SDL_JoystickInstanceID(joystick), name);
7136   Error(ERR_DEBUG, "joystick has %d axes, %d hats, %d balls, and %d buttons\n",
7137         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7138         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7139 #endif
7140
7141   /* initialize mapping with GUID and name */
7142   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7143
7144   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7145            temp, name, SDL_GetPlatform());
7146
7147   /* loop through all steps (buttons and axes), getting joystick events */
7148   for (i = 0; i < SDL_arraysize(steps) && !done;)
7149   {
7150     Bitmap *marker = button;    /* initialize with reliable default value */
7151
7152     step = &steps[i];
7153     strcpy(step->mapping, mapping);
7154     step->axis = -1;
7155     step->button = -1;
7156     step->hat = -1;
7157     step->hat_value = -1;
7158
7159     marker = (step->marker == MARKER_BUTTON ? button :
7160               step->marker == MARKER_AXIS_X ? axis_x :
7161               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7162
7163     next = FALSE;
7164
7165     while (!done && !next)
7166     {
7167       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7168       alpha_ticks = SDL_GetTicks();
7169
7170       if (alpha >= 255)
7171       {
7172         alpha = 255;
7173         alpha_step = -1;
7174       }
7175       else if (alpha < 128)
7176       {
7177         alpha = 127;
7178         alpha_step = 1;
7179       }
7180
7181       int controller_x = SX + (SXSIZE - controller->width) / 2;
7182       int controller_y = SY + ystep_line;
7183
7184       int marker_x = controller_x + step->x;
7185       int marker_y = controller_y + step->y;
7186
7187       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7188       int ystart2 = ystart1 + ystep_name + ystep_line;
7189
7190       ClearField();
7191
7192       DrawTextSCentered(ystart1, font_name, name);
7193
7194       DrawTextSCentered(ystart2, font_info,
7195                         "Press buttons and move axes on");
7196       ystart2 += ystep_line;
7197       DrawTextSCentered(ystart2, font_info,
7198                         "your controller when indicated.");
7199       ystart2 += ystep_line;
7200       DrawTextSCentered(ystart2, font_info,
7201                         "(Your controller may look different.)");
7202       ystart2 += ystep_para;
7203
7204 #if defined(PLATFORM_ANDROID)
7205       DrawTextSCentered(ystart2, font_info,
7206                         "To correct a mistake,");
7207       ystart2 += ystep_line;
7208       DrawTextSCentered(ystart2, font_info,
7209                         "press the 'back' button.");
7210       ystart2 += ystep_line;
7211       DrawTextSCentered(ystart2, font_info,
7212                         "To skip a button or axis,");
7213       ystart2 += ystep_line;
7214       DrawTextSCentered(ystart2, font_info,
7215                         "press the 'menu' button.");
7216 #else
7217       DrawTextSCentered(ystart2, font_info,
7218                         "To correct a mistake,");
7219       ystart2 += ystep_line;
7220       DrawTextSCentered(ystart2, font_info,
7221                         "press the 'backspace' key.");
7222       ystart2 += ystep_line;
7223       DrawTextSCentered(ystart2, font_info,
7224                         "To skip a button or axis,");
7225       ystart2 += ystep_line;
7226       DrawTextSCentered(ystart2, font_info,
7227                         "press the 'return' key.");
7228       ystart2 += ystep_line;
7229       DrawTextSCentered(ystart2, font_info,
7230                         "To exit, press the 'escape' key.");
7231 #endif
7232
7233       BlitBitmapMasked(controller, drawto, 0, 0,
7234                        controller->width, controller->height,
7235                        controller_x, controller_y);
7236
7237       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
7238       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
7239
7240       BlitBitmapMasked(marker, drawto, 0, 0,
7241                        marker->width, marker->height,
7242                        marker_x, marker_y);
7243
7244       if (!screen_initialized)
7245         FadeIn(REDRAW_FIELD);
7246       else
7247         BackToFront();
7248
7249       screen_initialized = TRUE;
7250
7251       while (NextValidEvent(&event))
7252       {
7253         switch (event.type)
7254         {
7255           case SDL_JOYAXISMOTION:
7256             if (event.jaxis.value > 20000 ||
7257                 event.jaxis.value < -20000)
7258             {
7259               for (j = 0; j < i; j++)
7260                 if (steps[j].axis == event.jaxis.axis)
7261                   break;
7262
7263               if (j == i)
7264               {
7265                 if (step->marker != MARKER_AXIS_X &&
7266                     step->marker != MARKER_AXIS_Y)
7267                   break;
7268
7269                 step->axis = event.jaxis.axis;
7270                 strcat(mapping, step->field);
7271                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
7272                 strcat(mapping, temp);
7273                 i++;
7274                 next = TRUE;
7275               }
7276             }
7277
7278             break;
7279
7280           case SDL_JOYHATMOTION:
7281             /* ignore centering; we're probably just coming back
7282                to the center from the previous item we set */
7283             if (event.jhat.value == SDL_HAT_CENTERED)
7284               break;
7285
7286             for (j = 0; j < i; j++)
7287               if (steps[j].hat == event.jhat.hat &&
7288                   steps[j].hat_value == event.jhat.value)
7289                 break;
7290
7291             if (j == i)
7292             {
7293               step->hat = event.jhat.hat;
7294               step->hat_value = event.jhat.value;
7295               strcat(mapping, step->field);
7296               snprintf(temp, sizeof(temp), ":h%u.%u,",
7297                        event.jhat.hat, event.jhat.value );
7298               strcat(mapping, temp);
7299               i++;
7300               next = TRUE;
7301             }
7302
7303             break;
7304
7305           case SDL_JOYBALLMOTION:
7306             break;
7307
7308           case SDL_JOYBUTTONUP:
7309             for (j = 0; j < i; j++)
7310               if (steps[j].button == event.jbutton.button)
7311                 break;
7312
7313             if (j == i)
7314             {
7315               step->button = event.jbutton.button;
7316               strcat(mapping, step->field);
7317               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
7318               strcat(mapping, temp);
7319               i++;
7320               next = TRUE;
7321             }
7322
7323             break;
7324
7325           case SDL_FINGERDOWN:
7326           case SDL_MOUSEBUTTONDOWN:
7327             /* skip this step */
7328             i++;
7329             next = TRUE;
7330
7331             break;
7332
7333           case SDL_KEYDOWN:
7334             if (event.key.keysym.sym == KSYM_BackSpace ||
7335                 event.key.keysym.sym == KSYM_Back)
7336             {
7337               if (i == 0)
7338               {
7339                 /* leave screen */
7340                 success = FALSE;
7341                 done = TRUE;
7342
7343                 break;
7344               }
7345
7346               /* undo this step */
7347               prev_step = &steps[i - 1];
7348               strcpy(mapping, prev_step->mapping);
7349               i--;
7350               next = TRUE;
7351
7352               break;
7353             }
7354
7355             if (event.key.keysym.sym == KSYM_space ||
7356                 event.key.keysym.sym == KSYM_Return ||
7357                 event.key.keysym.sym == KSYM_Menu)
7358             {
7359               /* skip this step */
7360               i++;
7361               next = TRUE;
7362
7363               break;
7364             }
7365
7366             if (event.key.keysym.sym == KSYM_Escape)
7367             {
7368               /* leave screen */
7369               success = FALSE;
7370               done = TRUE;
7371             }
7372
7373             break;
7374
7375           case SDL_QUIT:
7376             program.exit_function(0);
7377             break;
7378
7379           default:
7380             break;
7381         }
7382
7383         // do not handle events for longer than standard frame delay period
7384         if (DelayReached(&event_frame_delay, event_frame_delay_value))
7385           break;
7386       }
7387     }
7388   }
7389
7390   if (success)
7391   {
7392 #if DEBUG_JOYSTICKS
7393     Error(ERR_DEBUG, "New game controller mapping:\n\n%s\n\n", mapping);
7394 #endif
7395
7396     // activate mapping for this game
7397     SDL_GameControllerAddMapping(mapping);
7398
7399     // save mapping to personal mappings
7400     SaveSetup_AddGameControllerMapping(mapping);
7401   }
7402
7403   /* wait until the last pending event was removed from event queue */
7404   while (NextValidEvent(&event));
7405
7406   return success;
7407 #else
7408   return TRUE;
7409 #endif
7410 }
7411
7412 static int ConfigureJoystickMain(int player_nr)
7413 {
7414   char *device_name = setup.input[player_nr].joy.device_name;
7415   int joystick_nr = getJoystickNrFromDeviceName(device_name);
7416   boolean joystick_active = CheckJoystickOpened(joystick_nr);
7417   int success = FALSE;
7418   int i;
7419
7420   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
7421     return JOYSTICK_NOT_AVAILABLE;
7422
7423   if (!joystick_active || !setup.input[player_nr].use_joystick)
7424     return JOYSTICK_NOT_AVAILABLE;
7425
7426   FadeSetEnterMenu();
7427   FadeOut(REDRAW_FIELD);
7428
7429   // close all joystick devices (potentially opened as game controllers)
7430   for (i = 0; i < SDL_NumJoysticks(); i++)
7431     SDLCloseJoystick(i);
7432
7433   // open joystick device as plain joystick to configure as game controller
7434   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
7435
7436   // as the joystick was successfully opened before, this should not happen
7437   if (joystick == NULL)
7438     return FALSE;
7439
7440   // create new game controller mapping (buttons and axes) for joystick device
7441   success = ConfigureJoystickMapButtonsAndAxes(joystick);
7442
7443   // close joystick (and maybe re-open as configured game controller later)
7444   SDL_JoystickClose(joystick);
7445
7446   // re-open all joystick devices (potentially as game controllers)
7447   for (i = 0; i < SDL_NumJoysticks(); i++)
7448     SDLOpenJoystick(i);
7449
7450   // clear all joystick input actions for all joystick devices
7451   SDLClearJoystickState();
7452
7453   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
7454 }
7455
7456 void ConfigureJoystick(int player_nr)
7457 {
7458   boolean state = ConfigureJoystickMain(player_nr);
7459
7460   if (state != JOYSTICK_NOT_CONFIGURED)
7461   {
7462     boolean success = (state == JOYSTICK_CONFIGURED);
7463     char message1[MAX_OUTPUT_LINESIZE + 1];
7464     char *message2 = (success ? "configured!" : "not available!");
7465     char *device_name = setup.input[player_nr].joy.device_name;
7466     int nr = getJoystickNrFromDeviceName(device_name) + 1;
7467     int font_nr = FONT_TITLE_1;
7468     int font_height = getFontHeight(font_nr);
7469     int ypos1 = SYSIZE / 2 - font_height * 2;
7470     int ypos2 = SYSIZE / 2 - font_height * 1;
7471     unsigned int wait_frame_delay = 0;
7472     unsigned int wait_frame_delay_value = 2000;
7473
7474     ResetDelayCounter(&wait_frame_delay);
7475
7476     ClearField();
7477
7478     sprintf(message1, "Joystick %d", nr);
7479
7480     DrawTextSCentered(ypos1, font_nr, message1);
7481     DrawTextSCentered(ypos2, font_nr, message2);
7482
7483     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7484       BackToFront();
7485
7486     ClearEventQueue();
7487   }
7488
7489   DrawSetupScreen_Input();
7490 }
7491
7492 boolean ConfigureVirtualButtonsMain()
7493 {
7494   static char *customize_step_text[] =
7495   {
7496     "Move Left",
7497     "Move Right",
7498     "Move Up",
7499     "Move Down",
7500     "Snap Field",
7501     "Drop Element"
7502   };
7503   char grid_button[] =
7504   {
7505     CHAR_GRID_BUTTON_LEFT,
7506     CHAR_GRID_BUTTON_RIGHT,
7507     CHAR_GRID_BUTTON_UP,
7508     CHAR_GRID_BUTTON_DOWN,
7509     CHAR_GRID_BUTTON_SNAP,
7510     CHAR_GRID_BUTTON_DROP
7511   };
7512   int font_nr = FONT_INPUT_1_ACTIVE;
7513   int font_height = getFontHeight(font_nr);
7514   int ypos1 = SYSIZE / 2 - font_height * 2;
7515   int ypos2 = SYSIZE / 2 - font_height * 1;
7516   boolean success = FALSE;
7517   boolean finished = FALSE;
7518   int step_nr = 0;
7519   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
7520   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7521   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7522   boolean set_grid_button = FALSE;
7523   int nr = GRID_ACTIVE_NR();
7524   int x, y;
7525
7526   for (x = 0; x < MAX_GRID_XSIZE; x++)
7527     for (y = 0; y < MAX_GRID_YSIZE; y++)
7528       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
7529
7530   overlay.grid_button_highlight = grid_button[step_nr];
7531
7532   FadeSetEnterMenu();
7533   FadeOut(REDRAW_FIELD);
7534
7535   ClearField();
7536
7537   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
7538   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
7539   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
7540
7541   FadeIn(REDRAW_FIELD);
7542
7543   SetOverlayShowGrid(TRUE);
7544
7545   while (!finished)
7546   {
7547     Event event;
7548
7549     while (NextValidEvent(&event))
7550     {
7551       switch (event.type)
7552       {
7553         case EVENT_KEYPRESS:
7554           {
7555             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7556
7557             /* press 'Escape' to abort and keep the old key bindings */
7558             if (key == KSYM_Escape)
7559             {
7560               for (x = 0; x < MAX_GRID_XSIZE; x++)
7561                 for (y = 0; y < MAX_GRID_YSIZE; y++)
7562                   overlay.grid_button[x][y] = grid_button_old[x][y];
7563
7564               FadeSkipNextFadeIn();
7565
7566               finished = TRUE;
7567
7568               break;
7569             }
7570
7571             /* press 'Enter' to keep the existing key binding */
7572             if (key == KSYM_Return ||
7573 #if defined(TARGET_SDL2)
7574                 key == KSYM_Menu ||
7575 #endif
7576                 key == KSYM_space)
7577             {
7578               step_nr++;
7579             }
7580             else if (key == KSYM_BackSpace
7581 #if defined(TARGET_SDL2)
7582                      ||
7583                      key == KSYM_Back
7584 #endif
7585                      )
7586             {
7587               if (step_nr == 0)
7588               {
7589                 FadeSkipNextFadeIn();
7590
7591                 finished = TRUE;
7592
7593                 break;
7594               }
7595
7596               step_nr--;
7597             }
7598             else
7599             {
7600               break;
7601             }
7602
7603             /* all virtual buttons configured */
7604             if (step_nr == 6)
7605             {
7606               finished = TRUE;
7607               success = TRUE;
7608
7609               break;
7610             }
7611
7612             for (x = 0; x < MAX_GRID_XSIZE; x++)
7613               for (y = 0; y < MAX_GRID_YSIZE; y++)
7614                 grid_button_tmp[x][y] = overlay.grid_button[x][y];
7615
7616             overlay.grid_button_highlight = grid_button[step_nr];
7617
7618             /* query next virtual button */
7619
7620             ClearField();
7621
7622             DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
7623             DrawTextSCentered(ypos1, font_nr, "Select tiles to");
7624             DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
7625           }
7626           break;
7627
7628         case EVENT_KEYRELEASE:
7629           key_joystick_mapping = 0;
7630           break;
7631
7632         case EVENT_BUTTONPRESS:
7633         case EVENT_BUTTONRELEASE:
7634           {
7635             ButtonEvent *button = (ButtonEvent *)&event;
7636
7637             button->x += video.screen_xoffset;
7638             button->y += video.screen_yoffset;
7639
7640             x = button->x * overlay.grid_xsize / video.screen_width;
7641             y = button->y * overlay.grid_ysize / video.screen_height;
7642
7643             if (button->type == EVENT_BUTTONPRESS)
7644             {
7645               button_status = button->button;
7646
7647               grid_button_draw =
7648                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
7649                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
7650
7651               set_grid_button = TRUE;
7652             }
7653             else
7654             {
7655               button_status = MB_RELEASED;
7656             }
7657           }
7658           break;
7659
7660         case EVENT_MOTIONNOTIFY:
7661           {
7662             MotionEvent *motion = (MotionEvent *)&event;
7663
7664             motion->x += video.screen_xoffset;
7665             motion->y += video.screen_yoffset;
7666
7667             x = motion->x * overlay.grid_xsize / video.screen_width;
7668             y = motion->y * overlay.grid_ysize / video.screen_height;
7669
7670             set_grid_button = TRUE;
7671           }
7672           break;
7673
7674 #if defined(TARGET_SDL2)
7675         case SDL_WINDOWEVENT:
7676           HandleWindowEvent((WindowEvent *) &event);
7677
7678           // check if device has been rotated
7679           if (nr != GRID_ACTIVE_NR())
7680           {
7681             nr = GRID_ACTIVE_NR();
7682
7683             for (x = 0; x < MAX_GRID_XSIZE; x++)
7684               for (y = 0; y < MAX_GRID_YSIZE; y++)
7685                 grid_button_old[x][y] = grid_button_tmp[x][y] =
7686                   overlay.grid_button[x][y];
7687           }
7688
7689           break;
7690
7691         case SDL_APP_WILLENTERBACKGROUND:
7692         case SDL_APP_DIDENTERBACKGROUND:
7693         case SDL_APP_WILLENTERFOREGROUND:
7694         case SDL_APP_DIDENTERFOREGROUND:
7695           HandlePauseResumeEvent((PauseResumeEvent *) &event);
7696           break;
7697 #endif
7698
7699         default:
7700           HandleOtherEvents(&event);
7701           break;
7702       }
7703
7704       if (set_grid_button)
7705       {
7706         overlay.grid_button[x][y] =
7707           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
7708            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
7709            grid_button_tmp[x][y]);
7710
7711         set_grid_button = FALSE;
7712       }
7713     }
7714
7715     BackToFront();
7716   }
7717
7718   for (x = 0; x < MAX_GRID_XSIZE; x++)
7719     for (y = 0; y < MAX_GRID_YSIZE; y++)
7720       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
7721
7722   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
7723
7724   SetOverlayShowGrid(FALSE);
7725
7726   return success;
7727 }
7728
7729 void ConfigureVirtualButtons()
7730 {
7731   boolean success = ConfigureVirtualButtonsMain();
7732
7733   if (success)
7734   {
7735     int font_nr = FONT_TITLE_1;
7736     int font_height = getFontHeight(font_nr);
7737     int ypos1 = SYSIZE / 2 - font_height * 2;
7738     int ypos2 = SYSIZE / 2 - font_height * 1;
7739     unsigned int wait_frame_delay = 0;
7740     unsigned int wait_frame_delay_value = 2000;
7741
7742     ResetDelayCounter(&wait_frame_delay);
7743
7744     ClearField();
7745
7746     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
7747     DrawTextSCentered(ypos2, font_nr, "configured!");
7748
7749     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7750       BackToFront();
7751
7752     ClearEventQueue();
7753   }
7754 }
7755
7756 void DrawSetupScreen()
7757 {
7758   if (setup_mode == SETUP_MODE_INPUT)
7759     DrawSetupScreen_Input();
7760   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
7761     DrawChooseTree(&game_speed_current);
7762   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
7763     DrawChooseTree(&scroll_delay_current);
7764   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
7765     DrawChooseTree(&snapshot_mode_current);
7766   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
7767     DrawChooseTree(&window_size_current);
7768   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
7769     DrawChooseTree(&scaling_type_current);
7770   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
7771     DrawChooseTree(&rendering_mode_current);
7772   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
7773     DrawChooseTree(&artwork.gfx_current);
7774   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
7775     DrawChooseTree(&artwork.snd_current);
7776   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
7777     DrawChooseTree(&artwork.mus_current);
7778   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
7779     DrawChooseTree(&volume_simple_current);
7780   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
7781     DrawChooseTree(&volume_loops_current);
7782   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
7783     DrawChooseTree(&volume_music_current);
7784   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
7785     DrawChooseTree(&touch_control_current);
7786   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
7787     DrawChooseTree(&move_distance_current);
7788   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
7789     DrawChooseTree(&drop_distance_current);
7790   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
7791     DrawChooseTree(&transparency_current);
7792   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
7793     DrawChooseTree(&grid_size_current[0][0]);
7794   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
7795     DrawChooseTree(&grid_size_current[0][1]);
7796   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
7797     DrawChooseTree(&grid_size_current[1][0]);
7798   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
7799     DrawChooseTree(&grid_size_current[1][1]);
7800   else
7801     DrawSetupScreen_Generic();
7802
7803   PlayMenuSoundsAndMusic();
7804 }
7805
7806 void RedrawSetupScreenAfterFullscreenToggle()
7807 {
7808   if (setup_mode == SETUP_MODE_GRAPHICS ||
7809       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
7810   {
7811     // update list selection from "setup.window_scaling_percent"
7812     execSetupGraphics_setWindowSizes(TRUE);
7813
7814     DrawSetupScreen();
7815   }
7816 }
7817
7818 void RedrawSetupScreenAfterScreenRotation(int nr)
7819 {
7820   int x, y;
7821
7822   if (setup_mode == SETUP_MODE_TOUCH)
7823   {
7824     // update virtual button settings (depending on screen orientation)
7825     DrawSetupScreen();
7826   }
7827   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
7828   {
7829     // save already configured virtual buttons
7830     for (x = 0; x < MAX_GRID_XSIZE; x++)
7831       for (y = 0; y < MAX_GRID_YSIZE; y++)
7832         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
7833   }
7834 }
7835
7836 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
7837 {
7838   if (setup_mode == SETUP_MODE_INPUT)
7839     HandleSetupScreen_Input(mx, my, dx, dy, button);
7840   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
7841     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
7842   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
7843     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
7844   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
7845     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
7846   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
7847     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
7848   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
7849     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
7850   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
7851     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
7852   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
7853     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
7854   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
7855     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
7856   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
7857     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
7858   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
7859     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
7860   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
7861     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
7862   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
7863     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
7864   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
7865     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
7866   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
7867     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
7868   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
7869     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
7870   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
7871     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
7872   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
7873     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
7874   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
7875     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
7876   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
7877     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
7878   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
7879     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
7880   else
7881     HandleSetupScreen_Generic(mx, my, dx, dy, button);
7882 }
7883
7884 void HandleGameActions()
7885 {
7886   if (game.restart_game_message != NULL)
7887     RequestRestartGame(game.restart_game_message);
7888
7889   if (game_status != GAME_MODE_PLAYING)
7890     return;
7891
7892   GameActions();        /* main game loop */
7893
7894   if (tape.auto_play && !tape.playing)
7895     AutoPlayTape();     /* continue automatically playing next tape */
7896 }
7897
7898
7899 /* ---------- new screen button stuff -------------------------------------- */
7900
7901 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
7902 {
7903   switch (gadget_id)
7904   {
7905     case SCREEN_CTRL_ID_PREV_LEVEL:
7906       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
7907       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
7908       break;
7909
7910     case SCREEN_CTRL_ID_NEXT_LEVEL:
7911       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
7912       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
7913       break;
7914
7915     case SCREEN_CTRL_ID_PREV_PLAYER:
7916       *x = mSX + TILEX * 10;
7917       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
7918       break;
7919
7920     case SCREEN_CTRL_ID_NEXT_PLAYER:
7921       *x = mSX + TILEX * 12;
7922       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
7923       break;
7924
7925     case SCREEN_CTRL_ID_INSERT_SOLUTION:
7926       *x = mSX + GDI_ACTIVE_POS(menu.main.button.insert_solution.x);
7927       *y = mSY + GDI_ACTIVE_POS(menu.main.button.insert_solution.y);
7928       break;
7929
7930     case SCREEN_CTRL_ID_PLAY_SOLUTION:
7931       *x = mSX + GDI_ACTIVE_POS(menu.main.button.play_solution.x);
7932       *y = mSY + GDI_ACTIVE_POS(menu.main.button.play_solution.y);
7933       break;
7934
7935     default:
7936       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
7937   }
7938 }
7939
7940 static struct
7941 {
7942   int gfx_unpressed, gfx_pressed;
7943   void (*get_gadget_position)(int *, int *, int);
7944   int gadget_id;
7945   int screen_mask;
7946   char *infotext;
7947 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
7948 {
7949   {
7950     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
7951     getScreenMenuButtonPos,
7952     SCREEN_CTRL_ID_PREV_LEVEL,
7953     SCREEN_MASK_MAIN,
7954     "last level"
7955   },
7956   {
7957     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
7958     getScreenMenuButtonPos,
7959     SCREEN_CTRL_ID_NEXT_LEVEL,
7960     SCREEN_MASK_MAIN,
7961     "next level"
7962   },
7963   {
7964     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
7965     getScreenMenuButtonPos,
7966     SCREEN_CTRL_ID_PREV_PLAYER,
7967     SCREEN_MASK_INPUT,
7968     "last player"
7969   },
7970   {
7971     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
7972     getScreenMenuButtonPos,
7973     SCREEN_CTRL_ID_NEXT_PLAYER,
7974     SCREEN_MASK_INPUT,
7975     "next player"
7976   },
7977   {
7978     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
7979     getScreenMenuButtonPos,
7980     SCREEN_CTRL_ID_INSERT_SOLUTION,
7981     SCREEN_MASK_MAIN_HAS_SOLUTION,
7982     "insert solution tape"
7983   },
7984   {
7985     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
7986     getScreenMenuButtonPos,
7987     SCREEN_CTRL_ID_PLAY_SOLUTION,
7988     SCREEN_MASK_MAIN_HAS_SOLUTION,
7989     "play solution tape"
7990   },
7991 };
7992
7993 static struct
7994 {
7995   int gfx_unpressed, gfx_pressed;
7996   int x, y;
7997   int gadget_id;
7998   char *infotext;
7999 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8000 {
8001   {
8002     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8003     -1, -1,     /* these values are not constant, but can change at runtime */
8004     SCREEN_CTRL_ID_SCROLL_UP,
8005     "scroll up"
8006   },
8007   {
8008     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8009     -1, -1,     /* these values are not constant, but can change at runtime */
8010     SCREEN_CTRL_ID_SCROLL_DOWN,
8011     "scroll down"
8012   }
8013 };
8014
8015 static struct
8016 {
8017   int gfx_unpressed, gfx_pressed;
8018   int x, y;
8019   int width, height;
8020   int type;
8021   int gadget_id;
8022   char *infotext;
8023 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8024 {
8025   {
8026     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8027     -1, -1,     /* these values are not constant, but can change at runtime */
8028     -1, -1,     /* these values are not constant, but can change at runtime */
8029     GD_TYPE_SCROLLBAR_VERTICAL,
8030     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8031     "scroll level series vertically"
8032   }
8033 };
8034
8035 static void CreateScreenMenubuttons()
8036 {
8037   struct GadgetInfo *gi;
8038   unsigned int event_mask;
8039   int i;
8040
8041   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8042   {
8043     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8044     int gfx_unpressed, gfx_pressed;
8045     int x, y, width, height;
8046     int gd_x1, gd_x2, gd_y1, gd_y2;
8047     int id = menubutton_info[i].gadget_id;
8048
8049     if (menubutton_info[i].screen_mask == SCREEN_MASK_MAIN_HAS_SOLUTION)
8050       event_mask = GD_EVENT_RELEASED;
8051     else
8052       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8053
8054     menubutton_info[i].get_gadget_position(&x, &y, id);
8055
8056     if (menubutton_info[i].screen_mask == SCREEN_MASK_MAIN_HAS_SOLUTION)
8057     {
8058       width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8059       height = graphic_info[menubutton_info[i].gfx_pressed].height;
8060     }
8061     else
8062     {
8063       width = SC_MENUBUTTON_XSIZE;
8064       height = SC_MENUBUTTON_YSIZE;
8065     }
8066
8067     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8068     gfx_pressed   = menubutton_info[i].gfx_pressed;
8069     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8070     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8071     gd_x1 = graphic_info[gfx_unpressed].src_x;
8072     gd_y1 = graphic_info[gfx_unpressed].src_y;
8073     gd_x2 = graphic_info[gfx_pressed].src_x;
8074     gd_y2 = graphic_info[gfx_pressed].src_y;
8075
8076     gi = CreateGadget(GDI_CUSTOM_ID, id,
8077                       GDI_CUSTOM_TYPE_ID, i,
8078                       GDI_IMAGE_ID, gfx_unpressed,
8079                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8080                       GDI_X, x,
8081                       GDI_Y, y,
8082                       GDI_WIDTH, width,
8083                       GDI_HEIGHT, height,
8084                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8085                       GDI_STATE, GD_BUTTON_UNPRESSED,
8086                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8087                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8088                       GDI_DIRECT_DRAW, FALSE,
8089                       GDI_EVENT_MASK, event_mask,
8090                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8091                       GDI_END);
8092
8093     if (gi == NULL)
8094       Error(ERR_EXIT, "cannot create gadget");
8095
8096     screen_gadget[id] = gi;
8097   }
8098 }
8099
8100 static void CreateScreenScrollbuttons()
8101 {
8102   struct GadgetInfo *gi;
8103   unsigned int event_mask;
8104   int i;
8105
8106   /* these values are not constant, but can change at runtime */
8107   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
8108   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
8109   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
8110   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
8111
8112   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8113   {
8114     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8115     int gfx_unpressed, gfx_pressed;
8116     int x, y, width, height;
8117     int gd_x1, gd_x2, gd_y1, gd_y2;
8118     int id = scrollbutton_info[i].gadget_id;
8119
8120     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8121
8122     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
8123     y = mSY + scrollbutton_info[i].y;
8124     width = SC_SCROLLBUTTON_XSIZE;
8125     height = SC_SCROLLBUTTON_YSIZE;
8126
8127     /* correct scrollbar position if placed outside menu (playfield) area */
8128     if (x > SX + SC_SCROLL_UP_XPOS)
8129       x = SX + SC_SCROLL_UP_XPOS;
8130
8131     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
8132       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
8133                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
8134
8135     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
8136     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
8137     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8138     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8139     gd_x1 = graphic_info[gfx_unpressed].src_x;
8140     gd_y1 = graphic_info[gfx_unpressed].src_y;
8141     gd_x2 = graphic_info[gfx_pressed].src_x;
8142     gd_y2 = graphic_info[gfx_pressed].src_y;
8143
8144     gi = CreateGadget(GDI_CUSTOM_ID, id,
8145                       GDI_CUSTOM_TYPE_ID, i,
8146                       GDI_IMAGE_ID, gfx_unpressed,
8147                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8148                       GDI_X, x,
8149                       GDI_Y, y,
8150                       GDI_WIDTH, width,
8151                       GDI_HEIGHT, height,
8152                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8153                       GDI_STATE, GD_BUTTON_UNPRESSED,
8154                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8155                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8156                       GDI_DIRECT_DRAW, FALSE,
8157                       GDI_EVENT_MASK, event_mask,
8158                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8159                       GDI_END);
8160
8161     if (gi == NULL)
8162       Error(ERR_EXIT, "cannot create gadget");
8163
8164     screen_gadget[id] = gi;
8165   }
8166 }
8167
8168 static void CreateScreenScrollbars()
8169 {
8170   int i;
8171
8172   /* these values are not constant, but can change at runtime */
8173   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
8174   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
8175   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
8176   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
8177
8178   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8179   {
8180     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8181     int gfx_unpressed, gfx_pressed;
8182     int x, y, width, height;
8183     int gd_x1, gd_x2, gd_y1, gd_y2;
8184     struct GadgetInfo *gi;
8185     int items_max, items_visible, item_position;
8186     unsigned int event_mask;
8187     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
8188     int id = scrollbar_info[i].gadget_id;
8189
8190     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8191
8192     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
8193     y = mSY + scrollbar_info[i].y;
8194     width  = scrollbar_info[i].width;
8195     height = scrollbar_info[i].height;
8196
8197     /* correct scrollbar position if placed outside menu (playfield) area */
8198     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
8199       x = SX + SC_SCROLL_VERTICAL_XPOS;
8200
8201     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
8202       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
8203
8204     items_max = num_page_entries;
8205     items_visible = num_page_entries;
8206     item_position = 0;
8207
8208     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
8209     gfx_pressed   = scrollbar_info[i].gfx_pressed;
8210     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8211     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8212     gd_x1 = graphic_info[gfx_unpressed].src_x;
8213     gd_y1 = graphic_info[gfx_unpressed].src_y;
8214     gd_x2 = graphic_info[gfx_pressed].src_x;
8215     gd_y2 = graphic_info[gfx_pressed].src_y;
8216
8217     gi = CreateGadget(GDI_CUSTOM_ID, id,
8218                       GDI_CUSTOM_TYPE_ID, i,
8219                       GDI_IMAGE_ID, gfx_unpressed,
8220                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8221                       GDI_X, x,
8222                       GDI_Y, y,
8223                       GDI_WIDTH, width,
8224                       GDI_HEIGHT, height,
8225                       GDI_TYPE, scrollbar_info[i].type,
8226                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8227                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8228                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8229                       GDI_WHEEL_AREA_X, SX,
8230                       GDI_WHEEL_AREA_Y, SY,
8231                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
8232                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
8233                       GDI_STATE, GD_BUTTON_UNPRESSED,
8234                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8235                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8236                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
8237                       GDI_DIRECT_DRAW, FALSE,
8238                       GDI_EVENT_MASK, event_mask,
8239                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8240                       GDI_END);
8241
8242     if (gi == NULL)
8243       Error(ERR_EXIT, "cannot create gadget");
8244
8245     screen_gadget[id] = gi;
8246   }
8247 }
8248
8249 void CreateScreenGadgets()
8250 {
8251   CreateScreenMenubuttons();
8252
8253   CreateScreenScrollbuttons();
8254   CreateScreenScrollbars();
8255 }
8256
8257 void FreeScreenGadgets()
8258 {
8259   int i;
8260
8261   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
8262     FreeGadget(screen_gadget[i]);
8263 }
8264
8265 void MapScreenMenuGadgets(int screen_mask)
8266 {
8267   int i;
8268
8269   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8270     if (screen_mask & menubutton_info[i].screen_mask)
8271       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8272 }
8273
8274 void UnmapScreenMenuGadgets(int screen_mask)
8275 {
8276   int i;
8277
8278   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8279   {
8280     if (screen_mask & menubutton_info[i].screen_mask)
8281     {
8282       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8283
8284       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
8285         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
8286                        screen_gadget[menubutton_info[i].gadget_id]->y,
8287                        screen_gadget[menubutton_info[i].gadget_id]->width,
8288                        screen_gadget[menubutton_info[i].gadget_id]->height);
8289     }
8290   }
8291 }
8292
8293 void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
8294 {
8295   if (map_gadgets)
8296     MapScreenMenuGadgets(screen_mask);
8297   else
8298     UnmapScreenMenuGadgets(screen_mask);
8299 }
8300
8301 void MapScreenGadgets(int num_entries)
8302 {
8303   int i;
8304
8305   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
8306     return;
8307
8308   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8309     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
8310
8311   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8312     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
8313 }
8314
8315 void MapScreenTreeGadgets(TreeInfo *ti)
8316 {
8317   MapScreenGadgets(numTreeInfoInGroup(ti));
8318 }
8319
8320 static void HandleScreenGadgets(struct GadgetInfo *gi)
8321 {
8322   int id = gi->custom_id;
8323   int button = gi->event.button;
8324   int step = (button == MB_LEFTBUTTON   ? 1 :
8325               button == MB_MIDDLEBUTTON ? 5 :
8326               button == MB_RIGHTBUTTON  ? 10 : 1);
8327
8328   switch (id)
8329   {
8330     case SCREEN_CTRL_ID_PREV_LEVEL:
8331       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
8332       break;
8333
8334     case SCREEN_CTRL_ID_NEXT_LEVEL:
8335       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
8336       break;
8337
8338     case SCREEN_CTRL_ID_PREV_PLAYER:
8339       HandleSetupScreen_Input_Player(step, -1);
8340       break;
8341
8342     case SCREEN_CTRL_ID_NEXT_PLAYER:
8343       HandleSetupScreen_Input_Player(step, +1);
8344       break;
8345
8346     case SCREEN_CTRL_ID_INSERT_SOLUTION:
8347       InsertSolutionTape();
8348       break;
8349
8350     case SCREEN_CTRL_ID_PLAY_SOLUTION:
8351       PlaySolutionTape();
8352       break;
8353
8354     case SCREEN_CTRL_ID_SCROLL_UP:
8355       if (game_status == GAME_MODE_LEVELS)
8356         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8357       else if (game_status == GAME_MODE_LEVELNR)
8358         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8359       else if (game_status == GAME_MODE_SETUP)
8360         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8361       else if (game_status == GAME_MODE_INFO)
8362         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8363       break;
8364
8365     case SCREEN_CTRL_ID_SCROLL_DOWN:
8366       if (game_status == GAME_MODE_LEVELS)
8367         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8368       else if (game_status == GAME_MODE_LEVELNR)
8369         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8370       else if (game_status == GAME_MODE_SETUP)
8371         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8372       else if (game_status == GAME_MODE_INFO)
8373         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8374       break;
8375
8376     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
8377       if (game_status == GAME_MODE_LEVELS)
8378         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
8379       else if (game_status == GAME_MODE_LEVELNR)
8380         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
8381       else if (game_status == GAME_MODE_SETUP)
8382         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
8383       else if (game_status == GAME_MODE_INFO)
8384         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
8385       break;
8386
8387     default:
8388       break;
8389   }
8390 }
8391
8392 void DumpScreenIdentifiers()
8393 {
8394   int i;
8395
8396   Print("Active screen elements on current screen:\n");
8397
8398   for (i = 0; main_controls[i].nr != -1; i++)
8399   {
8400     struct MainControlInfo *mci = &main_controls[i];
8401
8402     if (mci->button_graphic != -1)
8403     {
8404       char *token = getTokenFromImageID(mci->button_graphic);
8405
8406       Print("- '%s'\n", token);
8407     }
8408   }
8409
8410   Print("Done.\n");
8411 }
8412
8413 boolean DoScreenAction(int image_id)
8414 {
8415   int i;
8416
8417   if (game_status != GAME_MODE_MAIN)
8418     return FALSE;
8419
8420   for (i = 0; main_controls[i].nr != -1; i++)
8421   {
8422     struct MainControlInfo *mci = &main_controls[i];
8423     struct MenuPosInfo *pos = mci->pos_button;
8424
8425     if (mci->button_graphic == image_id)
8426     {
8427       int x = mSX + pos->x;
8428       int y = mSY + pos->y;
8429
8430       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
8431
8432       return TRUE;
8433     }
8434   }
8435
8436   return FALSE;
8437 }