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 //                  https://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 #include "api.h"
  26
  27
  28 #define DEBUG_JOYSTICKS         0
  29
  30
  31 // screens on the info screen
  32 #define INFO_MODE_MAIN                  0
  33 #define INFO_MODE_TITLE                 1
  34 #define INFO_MODE_ELEMENTS              2
  35 #define INFO_MODE_MUSIC                 3
  36 #define INFO_MODE_CREDITS               4
  37 #define INFO_MODE_PROGRAM               5
  38 #define INFO_MODE_VERSION               6
  39 #define INFO_MODE_LEVELSET              7
  40
  41 #define MAX_INFO_MODES                  8
  42
  43 // screens on the setup screen
  44 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
  45 // (should also match corresponding entries in src/conf_gfx.c)
  46 #define SETUP_MODE_MAIN                 0
  47 #define SETUP_MODE_GAME                 1
  48 #define SETUP_MODE_ENGINES              2
  49 #define SETUP_MODE_EDITOR               3
  50 #define SETUP_MODE_GRAPHICS             4
  51 #define SETUP_MODE_SOUND                5
  52 #define SETUP_MODE_ARTWORK              6
  53 #define SETUP_MODE_INPUT                7
  54 #define SETUP_MODE_TOUCH                8
  55 #define SETUP_MODE_SHORTCUTS            9
  56 #define SETUP_MODE_SHORTCUTS_1          10
  57 #define SETUP_MODE_SHORTCUTS_2          11
  58 #define SETUP_MODE_SHORTCUTS_3          12
  59 #define SETUP_MODE_SHORTCUTS_4          13
  60 #define SETUP_MODE_SHORTCUTS_5          14
  61
  62 // sub-screens on the setup screen (generic)
  63 #define SETUP_MODE_CHOOSE_ARTWORK       15
  64 #define SETUP_MODE_CHOOSE_OTHER         16
  65
  66 // sub-screens on the setup screen (specific)
  67 #define SETUP_MODE_CHOOSE_SCORES_TYPE   17
  68 #define SETUP_MODE_CHOOSE_GAME_SPEED    18
  69 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  19
  70 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 20
  71 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   21
  72 #define SETUP_MODE_CHOOSE_SCALING_TYPE  22
  73 #define SETUP_MODE_CHOOSE_RENDERING     23
  74 #define SETUP_MODE_CHOOSE_VSYNC         24
  75 #define SETUP_MODE_CHOOSE_GRAPHICS      25
  76 #define SETUP_MODE_CHOOSE_SOUNDS        26
  77 #define SETUP_MODE_CHOOSE_MUSIC         27
  78 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 28
  79 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  29
  80 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  30
  81 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 31
  82 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 32
  83 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 33
  84 #define SETUP_MODE_CHOOSE_TRANSPARENCY  34
  85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  35
  86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  36
  87 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  37
  88 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  38
  89 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  39
  90
  91 #define MAX_SETUP_MODES                 40
  92
  93 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  94
  95 // setup screen titles
  96 #define STR_SETUP_MAIN                  "Setup"
  97 #define STR_SETUP_GAME                  "Game & Menu"
  98 #define STR_SETUP_ENGINES               "Game Engines"
  99 #define STR_SETUP_EDITOR                "Editor"
 100 #define STR_SETUP_GRAPHICS              "Graphics"
 101 #define STR_SETUP_SOUND                 "Sound & Music"
 102 #define STR_SETUP_ARTWORK               "Custom Artwork"
 103 #define STR_SETUP_INPUT                 "Input Devices"
 104 #define STR_SETUP_TOUCH                 "Touch Controls"
 105 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 106 #define STR_SETUP_EXIT                  "Exit"
 107 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 108
 109 #define STR_SETUP_CHOOSE_SCORES_TYPE    "Scores Type"
 110 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 111 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 112 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 113 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 114 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 115 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 116 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 117 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 118 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 119 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 120 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 121 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 122 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 123 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 124 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 125 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 126 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 127 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 128
 129 // other screen text constants
 130 #define STR_CHOOSE_TREE_EDIT            "Edit"
 131 #define MENU_CHOOSE_TREE_FONT(x)        (FONT_TEXT_1 + (x))
 132 #define MENU_CHOOSE_TREE_COLOR(ti, a)   TREE_COLOR(ti, a)
 133
 134 #define TEXT_NEXT_PAGE                  "Press any key or button for next page"
 135 #define TEXT_INFO_MENU                  "Press any key or button for info menu"
 136
 137 // for input setup functions
 138 #define SETUPINPUT_SCREEN_POS_START     0
 139 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 140 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 141 #define SETUPINPUT_SCREEN_POS_END       13
 142
 143 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 144 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 145
 146 #define MAX_SETUP_TEXT_INPUT_LEN        28
 147
 148 // for various menu stuff
 149 #define MENU_SCREEN_START_XPOS          1
 150 #define MENU_SCREEN_START_YPOS          2
 151 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 152 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
 153 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 154 #define MENU_TITLE1_YPOS                8
 155 #define MENU_TITLE2_YPOS                46
 156 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 157 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 158 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 159 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 160 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 161 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 162 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 163 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 164 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 165 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 166 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 167                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 168                                                          MENU_INFO_FONT_TITLE))
 169 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 170 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 171 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 172                                          MENU_SCREEN_INFO_YSTART2 -     \
 173                                          TILEY / 2)
 174 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 175 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 176                                          MENU_SCREEN_INFO_YSTEP)
 177 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 178   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 179    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 180    MAX_MENU_ENTRIES_ON_SCREEN)
 181 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 182                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 183                                             NUM_INFO_ELEMENTS_FROM_CONF)
 184 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 185 #define MAX_MENU_TEXT_LENGTH_BIG        13
 186 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 187
 188 // screen gadget identifiers
 189 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 190 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 191 #define SCREEN_CTRL_ID_PREV_LEVEL2      2
 192 #define SCREEN_CTRL_ID_NEXT_LEVEL2      3
 193 #define SCREEN_CTRL_ID_PREV_SCORE       4
 194 #define SCREEN_CTRL_ID_NEXT_SCORE       5
 195 #define SCREEN_CTRL_ID_PLAY_TAPE        6
 196 #define SCREEN_CTRL_ID_FIRST_LEVEL      7
 197 #define SCREEN_CTRL_ID_LAST_LEVEL       8
 198 #define SCREEN_CTRL_ID_LEVEL_NUMBER     9
 199 #define SCREEN_CTRL_ID_PREV_PLAYER      10
 200 #define SCREEN_CTRL_ID_NEXT_PLAYER      11
 201 #define SCREEN_CTRL_ID_INSERT_SOLUTION  12
 202 #define SCREEN_CTRL_ID_PLAY_SOLUTION    13
 203 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   14
 204 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  15
 205 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  16
 206 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 17
 207 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 18
 208
 209 #define NUM_SCREEN_MENUBUTTONS          19
 210
 211 #define SCREEN_CTRL_ID_SCROLL_UP        19
 212 #define SCREEN_CTRL_ID_SCROLL_DOWN      20
 213 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  21
 214 #define SCREEN_CTRL_ID_NETWORK_SERVER   22
 215
 216 #define NUM_SCREEN_GADGETS              23
 217
 218 #define NUM_SCREEN_SCROLLBUTTONS        2
 219 #define NUM_SCREEN_SCROLLBARS           1
 220 #define NUM_SCREEN_TEXTINPUT            1
 221
 222 #define SCREEN_MASK_MAIN                (1 << 0)
 223 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 224 #define SCREEN_MASK_INPUT               (1 << 2)
 225 #define SCREEN_MASK_TOUCH               (1 << 3)
 226 #define SCREEN_MASK_TOUCH2              (1 << 4)
 227 #define SCREEN_MASK_SCORES              (1 << 5)
 228 #define SCREEN_MASK_SCORES_INFO         (1 << 6)
 229
 230 // graphic position and size values for buttons and scrollbars
 231 #define SC_MENUBUTTON_XSIZE             TILEX
 232 #define SC_MENUBUTTON_YSIZE             TILEY
 233
 234 #define SC_SCROLLBUTTON_XSIZE           TILEX
 235 #define SC_SCROLLBUTTON_YSIZE           TILEY
 236
 237 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 238
 239 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 240 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 241                                          SC_SCROLLBUTTON_YSIZE)
 242
 243 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 244 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 245
 246 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 247 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 248                                          SC_SCROLLBUTTON_YSIZE)
 249
 250 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 251 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 252                                          SC_SCROLL_VERTICAL_YSIZE)
 253
 254 #define SC_BORDER_SIZE                  14
 255
 256
 257 // forward declarations of internal functions
 258 static void HandleScreenGadgets(struct GadgetInfo *);
 259 static void HandleSetupScreen_Generic(int, int, int, int, int);
 260 static void HandleSetupScreen_Input(int, int, int, int, int);
 261 static void CustomizeKeyboard(int);
 262 static void ConfigureJoystick(int);
 263 static void ConfigureVirtualButtons(void);
 264 static void execSetupGame(void);
 265 static void execSetupEngines(void);
 266 static void execSetupGraphics(void);
 267 static void execSetupSound(void);
 268 static void execSetupTouch(void);
 269 static void execSetupArtwork(void);
 270 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 271
 272 static void DrawChoosePlayerName(void);
 273 static void DrawChooseLevelSet(void);
 274 static void DrawChooseLevelNr(void);
 275 static void DrawScoreInfo(int);
 276 static void DrawScoreInfo_Content(int);
 277 static void DrawInfoScreen(void);
 278 static void DrawSetupScreen(void);
 279 static void DrawTypeName(void);
 280
 281 static void DrawInfoScreen_NotAvailable(char *, char *);
 282 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 283 static void DrawInfoScreen_HelpText(int, int, int, int);
 284 static void HandleInfoScreen_Main(int, int, int, int, int);
 285 static void HandleInfoScreen_TitleScreen(int, int, int);
 286 static void HandleInfoScreen_Elements(int, int, int);
 287 static void HandleInfoScreen_Music(int, int, int);
 288 static void HandleInfoScreen_Credits(int, int, int);
 289 static void HandleInfoScreen_Program(int, int, int);
 290 static void HandleInfoScreen_Version(int);
 291
 292 static void ModifyGameSpeedIfNeeded(void);
 293 static void DisableVsyncIfNeeded(void);
 294
 295 static void RedrawScreenMenuGadgets(int);
 296 static void MapScreenMenuGadgets(int);
 297 static void UnmapScreenMenuGadgets(int);
 298 static void MapScreenGadgets(int);
 299 static void UnmapScreenGadgets(void);
 300 static void MapScreenTreeGadgets(TreeInfo *);
 301 static void UnmapScreenTreeGadgets(void);
 302
 303 static void UpdateScreenMenuGadgets(int, boolean);
 304 static void AdjustScoreInfoButtons_SelectScore(int, int, int);
 305 static void AdjustScoreInfoButtons_PlayTape(int, int, boolean);
 306
 307 static boolean OfferUploadTapes(void);
 308 static void execOfferUploadTapes(void);
 309
 310 static void DrawHallOfFame_setScoreEntries(void);
 311 static void HandleHallOfFame_SelectLevel(int, int);
 312 static char *getHallOfFameRankText(int, int);
 313 static char *getHallOfFameScoreText(int, int);
 314
 315 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *);
 316
 317 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 318
 319 static int info_mode = INFO_MODE_MAIN;
 320 static int setup_mode = SETUP_MODE_MAIN;
 321
 322 static TreeInfo *window_sizes = NULL;
 323 static TreeInfo *window_size_current = NULL;
 324
 325 static TreeInfo *scaling_types = NULL;
 326 static TreeInfo *scaling_type_current = NULL;
 327
 328 static TreeInfo *rendering_modes = NULL;
 329 static TreeInfo *rendering_mode_current = NULL;
 330
 331 static TreeInfo *vsync_modes = NULL;
 332 static TreeInfo *vsync_mode_current = NULL;
 333
 334 static TreeInfo *scroll_delays = NULL;
 335 static TreeInfo *scroll_delay_current = NULL;
 336
 337 static TreeInfo *snapshot_modes = NULL;
 338 static TreeInfo *snapshot_mode_current = NULL;
 339
 340 static TreeInfo *scores_types = NULL;
 341 static TreeInfo *scores_type_current = NULL;
 342
 343 static TreeInfo *game_speeds_normal = NULL;
 344 static TreeInfo *game_speeds_extended = NULL;
 345 static TreeInfo *game_speeds = NULL;
 346 static TreeInfo *game_speed_current = NULL;
 347
 348 static TreeInfo *volumes_simple = NULL;
 349 static TreeInfo *volume_simple_current = NULL;
 350
 351 static TreeInfo *volumes_loops = NULL;
 352 static TreeInfo *volume_loops_current = NULL;
 353
 354 static TreeInfo *volumes_music = NULL;
 355 static TreeInfo *volume_music_current = NULL;
 356
 357 static TreeInfo *touch_controls = NULL;
 358 static TreeInfo *touch_control_current = NULL;
 359
 360 static TreeInfo *move_distances = NULL;
 361 static TreeInfo *move_distance_current = NULL;
 362
 363 static TreeInfo *drop_distances = NULL;
 364 static TreeInfo *drop_distance_current = NULL;
 365
 366 static TreeInfo *transparencies = NULL;
 367 static TreeInfo *transparency_current = NULL;
 368
 369 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 370 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 371
 372 static TreeInfo *player_name = NULL;
 373 static TreeInfo *player_name_current = NULL;
 374
 375 static TreeInfo *level_number = NULL;
 376 static TreeInfo *level_number_current = NULL;
 377
 378 static TreeInfo *score_entries = NULL;
 379 static TreeInfo *score_entry_current = NULL;
 380
 381 static struct ValueTextInfo window_sizes_list[] =
 382 {
 383   {     50,     "50 %"                          },
 384   {     80,     "80 %"                          },
 385   {     90,     "90 %"                          },
 386   {     100,    "100 % (Default)"               },
 387   {     110,    "110 %"                         },
 388   {     120,    "120 %"                         },
 389   {     130,    "130 %"                         },
 390   {     140,    "140 %"                         },
 391   {     150,    "150 %"                         },
 392   {     200,    "200 %"                         },
 393   {     250,    "250 %"                         },
 394   {     300,    "300 %"                         },
 395
 396   {     -1,     NULL                            },
 397 };
 398
 399 static struct StringValueTextInfo scaling_types_list[] =
 400 {
 401   {     SCALING_QUALITY_NEAREST, "Off"          },
 402   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 403   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 404
 405   {     NULL,                    NULL           },
 406 };
 407
 408 static struct StringValueTextInfo rendering_modes_list[] =
 409 {
 410   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 411   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 412 #if DEBUG
 413   // this mode may work under certain conditions, but does not work on Windows
 414   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 415 #endif
 416   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 417
 418   {     NULL,                            NULL                            },
 419 };
 420
 421 static struct StringValueTextInfo vsync_modes_list[] =
 422 {
 423   {     STR_VSYNC_MODE_OFF,             "Off"           },
 424   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 425   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 426
 427   {     NULL,                            NULL           },
 428 };
 429
 430 static struct StringValueTextInfo scores_types_list[] =
 431 {
 432   {     STR_SCORES_TYPE_LOCAL_ONLY,         "Local scores only"         },
 433   {     STR_SCORES_TYPE_SERVER_ONLY,        "Server scores only"        },
 434   {     STR_SCORES_TYPE_LOCAL_AND_SERVER,   "Local and server scores"   },
 435
 436   {     NULL,                           NULL            },
 437 };
 438
 439 static struct ValueTextInfo game_speeds_list_normal[] =
 440 {
 441   {     30,     "Very Slow"                     },
 442   {     25,     "Slow"                          },
 443   {     20,     "Normal"                        },
 444   {     15,     "Fast"                          },
 445   {     10,     "Very Fast"                     },
 446
 447   {     -1,     NULL                            },
 448 };
 449
 450 static struct ValueTextInfo game_speeds_list_extended[] =
 451 {
 452   {     1000,   "1 fps (Extremely Slow)"        },
 453   {     500,    "2 fps"                         },
 454   {     200,    "5 fps"                         },
 455   {     100,    "10 fps"                        },
 456   {     50,     "20 fps"                        },
 457   {     29,     "35 fps (Original Supaplex)"    },
 458   {     25,     "40 fps"                        },
 459   {     20,     "50 fps (=== Normal Speed ===)" },
 460   {     16,     "60 fps (60 Hz VSync Speed)"    },
 461   {     14,     "70 fps (Maximum Supaplex)"     },
 462   {     10,     "100 fps"                       },
 463   {     5,      "200 fps"                       },
 464   {     2,      "500 fps"                       },
 465   {     1,      "1000 fps (Extremely Fast)"     },
 466
 467   {     -1,     NULL                            },
 468 };
 469
 470 static struct ValueTextInfo *game_speeds_list;
 471
 472 static struct ValueTextInfo scroll_delays_list[] =
 473 {
 474   {     0,      "0 Tiles (No Scroll Delay)"     },
 475   {     1,      "1 Tile"                        },
 476   {     2,      "2 Tiles"                       },
 477   {     3,      "3 Tiles (Default)"             },
 478   {     4,      "4 Tiles"                       },
 479   {     5,      "5 Tiles"                       },
 480   {     6,      "6 Tiles"                       },
 481   {     7,      "7 Tiles"                       },
 482   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 483
 484   {     -1,     NULL                            },
 485 };
 486
 487 static struct StringValueTextInfo snapshot_modes_list[] =
 488 {
 489   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 490   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 491   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 492   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 493
 494   {     NULL,                                   NULL            },
 495 };
 496
 497 static struct ValueTextInfo volumes_list[] =
 498 {
 499   {     0,      "0 %"                           },
 500   {     1,      "1 %"                           },
 501   {     2,      "2 %"                           },
 502   {     5,      "5 %"                           },
 503   {     10,     "10 %"                          },
 504   {     20,     "20 %"                          },
 505   {     30,     "30 %"                          },
 506   {     40,     "40 %"                          },
 507   {     50,     "50 %"                          },
 508   {     60,     "60 %"                          },
 509   {     70,     "70 %"                          },
 510   {     80,     "80 %"                          },
 511   {     90,     "90 %"                          },
 512   {     100,    "100 %"                         },
 513
 514   {     -1,     NULL                            },
 515 };
 516
 517 static struct StringValueTextInfo touch_controls_list[] =
 518 {
 519   {     TOUCH_CONTROL_OFF,              "Off"                   },
 520   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 521   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 522   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 523
 524   {     NULL,                           NULL                    },
 525 };
 526
 527 static struct ValueTextInfo distances_list[] =
 528 {
 529   {     1,      "1 %"                           },
 530   {     2,      "2 %"                           },
 531   {     3,      "3 %"                           },
 532   {     4,      "4 %"                           },
 533   {     5,      "5 %"                           },
 534   {     10,     "10 %"                          },
 535   {     15,     "15 %"                          },
 536   {     20,     "20 %"                          },
 537   {     25,     "25 %"                          },
 538
 539   {     -1,     NULL                            },
 540 };
 541
 542 static struct ValueTextInfo transparencies_list[] =
 543 {
 544   {     0,      "0 % (Opaque)"                  },
 545   {     10,     "10 %"                          },
 546   {     20,     "20 %"                          },
 547   {     30,     "30 %"                          },
 548   {     40,     "40 %"                          },
 549   {     50,     "50 %"                          },
 550   {     60,     "60 %"                          },
 551   {     70,     "70 %"                          },
 552   {     80,     "80 %"                          },
 553   {     90,     "90 %"                          },
 554   {     100,    "100 % (Invisible)"             },
 555
 556   {     -1,     NULL                            },
 557 };
 558
 559 static struct ValueTextInfo grid_sizes_list[] =
 560 {
 561   {     3,      "3"                             },
 562   {     4,      "4"                             },
 563   {     5,      "5"                             },
 564   {     6,      "6"                             },
 565   {     7,      "7"                             },
 566   {     8,      "8"                             },
 567   {     9,      "9"                             },
 568   {     10,     "10"                            },
 569   {     11,     "11"                            },
 570   {     12,     "12"                            },
 571   {     13,     "13"                            },
 572   {     14,     "14"                            },
 573   {     15,     "15"                            },
 574   {     16,     "16"                            },
 575   {     17,     "17"                            },
 576   {     18,     "18"                            },
 577   {     19,     "19"                            },
 578   {     20,     "20"                            },
 579   {     21,     "21"                            },
 580   {     22,     "22"                            },
 581   {     23,     "23"                            },
 582   {     24,     "24"                            },
 583   {     25,     "25"                            },
 584   {     26,     "26"                            },
 585   {     27,     "27"                            },
 586   {     28,     "28"                            },
 587   {     29,     "29"                            },
 588   {     30,     "30"                            },
 589   {     31,     "31"                            },
 590   {     32,     "32"                            },
 591
 592   {     -1,     NULL                            },
 593 };
 594
 595 static int align_xoffset = 0;
 596 static int align_yoffset = 0;
 597
 598 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 599                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 600                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 601                                  GAME_MODE_MAIN :                       \
 602                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 603                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 604
 605 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 606 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 607                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 608                                  INFO_MODE_MAIN)
 609
 610 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 611                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 612                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 613                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 614                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 615                                  SETUP_MODE_CHOOSE_OTHER)
 616
 617 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 618                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 619                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 620 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 621                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 622                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 623 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 624                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 625                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 626
 627 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 628                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 629                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 630 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 631                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 632                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 633 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 634                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 635                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 636
 637 #define EXTRA_SPACING_SCORES(i) (EXTRA_SPACING_INFO(i))
 638
 639 #define EXTRA_SPACING_SCOREINFO(i) (menu.extra_spacing[GAME_MODE_SCOREINFO])
 640
 641 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 642                                  DRAW_XOFFSET_INFO(info_mode) :         \
 643                                  (s) == GAME_MODE_SETUP ?               \
 644                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 645                                  menu.draw_xoffset[DRAW_MODE(s)])
 646 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 647                                  DRAW_YOFFSET_INFO(info_mode) :         \
 648                                  (s) == GAME_MODE_SETUP ?               \
 649                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 650                                  menu.draw_yoffset[DRAW_MODE(s)])
 651 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 652                                  EXTRA_SPACING_INFO(info_mode) :        \
 653                                  (s) == GAME_MODE_SETUP ?               \
 654                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 655                                  (s) == GAME_MODE_SCORES ?              \
 656                                  EXTRA_SPACING_SCORES(info_mode) :      \
 657                                  menu.extra_spacing[DRAW_MODE(s)])
 658
 659 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 660 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 661
 662 #define amSX                    (mSX + align_xoffset)
 663 #define amSY                    (mSY + align_yoffset)
 664
 665 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 666                                     menu.list_size[game_status] :       \
 667                                     MAX_MENU_ENTRIES_ON_SCREEN)
 668
 669 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 670                                          NUM_MENU_ENTRIES_ON_SCREEN)
 671
 672
 673 // title display and control definitions
 674
 675 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 676                                  2 * MAX_NUM_TITLE_MESSAGES)
 677
 678 #define NO_DIRECT_LEVEL_SELECT  (-1)
 679
 680
 681 static int num_title_screens = 0;
 682
 683 struct TitleControlInfo
 684 {
 685   boolean is_image;
 686   boolean initial;
 687   boolean first;
 688   int local_nr;
 689   int sort_priority;
 690 };
 691
 692 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 693
 694
 695 // credits screens definitions
 696
 697 static int num_credits_screens = 0;
 698 static boolean use_global_credits_screens = FALSE;
 699
 700
 701 // program info screens definitions
 702
 703 static int num_program_info_screens = 0;
 704
 705
 706 // main menu display and control definitions
 707
 708 #define MAIN_CONTROL_NAME                       0
 709 #define MAIN_CONTROL_LEVELS                     1
 710 #define MAIN_CONTROL_SCORES                     2
 711 #define MAIN_CONTROL_EDITOR                     3
 712 #define MAIN_CONTROL_INFO                       4
 713 #define MAIN_CONTROL_GAME                       5
 714 #define MAIN_CONTROL_SETUP                      6
 715 #define MAIN_CONTROL_QUIT                       7
 716 #define MAIN_CONTROL_PREV_LEVEL                 8
 717 #define MAIN_CONTROL_NEXT_LEVEL                 9
 718 #define MAIN_CONTROL_FIRST_LEVEL                10
 719 #define MAIN_CONTROL_LAST_LEVEL                 11
 720 #define MAIN_CONTROL_LEVEL_NUMBER               12
 721 #define MAIN_CONTROL_LEVEL_INFO_1               13
 722 #define MAIN_CONTROL_LEVEL_INFO_2               14
 723 #define MAIN_CONTROL_LEVEL_NAME                 15
 724 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 725 #define MAIN_CONTROL_LEVEL_YEAR                 17
 726 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 727 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 728 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 729 #define MAIN_CONTROL_TITLE_1                    21
 730 #define MAIN_CONTROL_TITLE_2                    22
 731 #define MAIN_CONTROL_TITLE_3                    23
 732
 733 static char str_main_text_name[10];
 734 static char str_main_text_first_level[10];
 735 static char str_main_text_last_level[10];
 736 static char str_main_text_level_number[10];
 737
 738 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 739
 740 static char *main_text_name                     = str_main_text_name;
 741 static char *main_text_first_level              = str_main_text_first_level;
 742 static char *main_text_last_level               = str_main_text_last_level;
 743 static char *main_text_level_number             = str_main_text_level_number;
 744 static char *main_text_levels                   = "Levelset";
 745 static char *main_text_scores                   = "Hall Of Fame";
 746 static char *main_text_editor                   = "Level Creator";
 747 static char *main_text_info                     = "Info Screen";
 748 static char *main_text_game                     = "Start Game";
 749 static char *main_text_setup                    = "Setup";
 750 static char *main_text_quit                     = "Quit";
 751 static char *main_text_level_name               = level.name;
 752 static char *main_text_level_author             = level.author;
 753 static char *main_text_level_year               = NULL;
 754 static char *main_text_level_imported_from      = NULL;
 755 static char *main_text_level_imported_by        = NULL;
 756 static char *main_text_level_tested_by          = NULL;
 757 static char *main_text_title_1                  = NULL;
 758 static char *main_text_title_2                  = NULL;
 759 static char *main_text_title_3                  = NULL;
 760
 761 extern char debug_xsn_mode[];
 762
 763 struct MainControlInfo
 764 {
 765   int nr;
 766
 767   struct MenuPosInfo *pos_button;
 768   int button_graphic;
 769
 770   struct TextPosInfo *pos_text;
 771   char **text;
 772
 773   struct TextPosInfo *pos_input;
 774   char **input;
 775 };
 776
 777 static struct MainControlInfo main_controls[] =
 778 {
 779   {
 780     MAIN_CONTROL_NAME,
 781     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 782     &menu.main.text.name,               &main_text_name,
 783     &menu.main.input.name,              &setup.player_name,
 784   },
 785   {
 786     MAIN_CONTROL_LEVELS,
 787     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 788     &menu.main.text.levels,             &main_text_levels,
 789     NULL,                               NULL,
 790   },
 791   {
 792     MAIN_CONTROL_SCORES,
 793     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 794     &menu.main.text.scores,             &main_text_scores,
 795     NULL,                               NULL,
 796   },
 797   {
 798     MAIN_CONTROL_EDITOR,
 799     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 800     &menu.main.text.editor,             &main_text_editor,
 801     NULL,                               NULL,
 802   },
 803   {
 804     MAIN_CONTROL_INFO,
 805     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 806     &menu.main.text.info,               &main_text_info,
 807     NULL,                               NULL,
 808   },
 809   {
 810     MAIN_CONTROL_GAME,
 811     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 812     &menu.main.text.game,               &main_text_game,
 813     NULL,                               NULL,
 814   },
 815   {
 816     MAIN_CONTROL_SETUP,
 817     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 818     &menu.main.text.setup,              &main_text_setup,
 819     NULL,                               NULL,
 820   },
 821   {
 822     MAIN_CONTROL_QUIT,
 823     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 824     &menu.main.text.quit,               &main_text_quit,
 825     NULL,                               NULL,
 826   },
 827   {
 828     MAIN_CONTROL_PREV_LEVEL,
 829     NULL,                               -1,
 830     NULL,                               NULL,
 831     NULL,                               NULL,
 832   },
 833   {
 834     MAIN_CONTROL_NEXT_LEVEL,
 835     NULL,                               -1,
 836     NULL,                               NULL,
 837     NULL,                               NULL,
 838   },
 839   {
 840     MAIN_CONTROL_FIRST_LEVEL,
 841     NULL,                               -1,
 842     &menu.main.text.first_level,        &main_text_first_level,
 843     NULL,                               NULL,
 844   },
 845   {
 846     MAIN_CONTROL_LAST_LEVEL,
 847     NULL,                               -1,
 848     &menu.main.text.last_level,         &main_text_last_level,
 849     NULL,                               NULL,
 850   },
 851   {
 852     MAIN_CONTROL_LEVEL_NUMBER,
 853     NULL,                               -1,
 854     &menu.main.text.level_number,       &main_text_level_number,
 855     NULL,                               NULL,
 856   },
 857   {
 858     MAIN_CONTROL_LEVEL_INFO_1,
 859     NULL,                               -1,
 860     &menu.main.text.level_info_1,       NULL,
 861     NULL,                               NULL,
 862   },
 863   {
 864     MAIN_CONTROL_LEVEL_INFO_2,
 865     NULL,                               -1,
 866     &menu.main.text.level_info_2,       NULL,
 867     NULL,                               NULL,
 868   },
 869   {
 870     MAIN_CONTROL_LEVEL_NAME,
 871     NULL,                               -1,
 872     &menu.main.text.level_name,         &main_text_level_name,
 873     NULL,                               NULL,
 874   },
 875   {
 876     MAIN_CONTROL_LEVEL_AUTHOR,
 877     NULL,                               -1,
 878     &menu.main.text.level_author,       &main_text_level_author,
 879     NULL,                               NULL,
 880   },
 881   {
 882     MAIN_CONTROL_LEVEL_YEAR,
 883     NULL,                               -1,
 884     &menu.main.text.level_year,         &main_text_level_year,
 885     NULL,                               NULL,
 886   },
 887   {
 888     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 889     NULL,                               -1,
 890     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 891     NULL,                               NULL,
 892   },
 893   {
 894     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 895     NULL,                               -1,
 896     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 897     NULL,                               NULL,
 898   },
 899   {
 900     MAIN_CONTROL_LEVEL_TESTED_BY,
 901     NULL,                               -1,
 902     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 903     NULL,                               NULL,
 904   },
 905   {
 906     MAIN_CONTROL_TITLE_1,
 907     NULL,                               -1,
 908     &menu.main.text.title_1,            &main_text_title_1,
 909     NULL,                               NULL,
 910   },
 911   {
 912     MAIN_CONTROL_TITLE_2,
 913     NULL,                               -1,
 914     &menu.main.text.title_2,            &main_text_title_2,
 915     NULL,                               NULL,
 916   },
 917   {
 918     MAIN_CONTROL_TITLE_3,
 919     NULL,                               -1,
 920     &menu.main.text.title_3,            &main_text_title_3,
 921     NULL,                               NULL,
 922   },
 923
 924   {
 925     -1,
 926     NULL,                               -1,
 927     NULL,                               NULL,
 928     NULL,                               NULL,
 929   }
 930 };
 931
 932
 933 static int getTitleScreenGraphic(int nr, boolean initial)
 934 {
 935   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 936 }
 937
 938 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 939 {
 940   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 941 }
 942
 943 #if 0
 944 static int getTitleScreenGameMode(boolean initial)
 945 {
 946   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 947 }
 948 #endif
 949
 950 static int getTitleMessageGameMode(boolean initial)
 951 {
 952   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 953 }
 954
 955 static int getTitleAnimMode(struct TitleControlInfo *tci)
 956 {
 957   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 958
 959   return base + tci->local_nr;
 960 }
 961
 962 #if 0
 963 static int getTitleScreenBackground(boolean initial)
 964 {
 965   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 966 }
 967 #endif
 968
 969 #if 0
 970 static int getTitleMessageBackground(int nr, boolean initial)
 971 {
 972   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 973 }
 974 #endif
 975
 976 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 977 {
 978   int base = (is_image ?
 979               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 980                          IMG_BACKGROUND_TITLESCREEN_1) :
 981               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 982                          IMG_BACKGROUND_TITLEMESSAGE_1));
 983   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 984                                   IMG_BACKGROUND_TITLE);
 985   int graphic_local = base + nr;
 986
 987   if (graphic_info[graphic_local].bitmap != NULL)
 988     return graphic_local;
 989
 990   if (graphic_info[graphic_global].bitmap != NULL)
 991     return graphic_global;
 992
 993   return IMG_UNDEFINED;
 994 }
 995
 996 static int getTitleSound(struct TitleControlInfo *tci)
 997 {
 998   boolean is_image = tci->is_image;
 999   int initial = tci->initial;
1000   int nr = tci->local_nr;
1001   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1002   int base = (is_image ?
1003               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
1004                          SND_BACKGROUND_TITLESCREEN_1) :
1005               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1006                          SND_BACKGROUND_TITLEMESSAGE_1));
1007   int sound_global = menu.sound[mode];
1008   int sound_local = base + nr;
1009
1010 #if 0
1011   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
1012         nr, initial, is_image,
1013         sound_global, getSoundListEntry(sound_global)->filename,
1014         sound_local, getSoundListEntry(sound_local)->filename);
1015 #endif
1016
1017   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
1018     return sound_local;
1019
1020   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
1021     return sound_global;
1022
1023   return SND_UNDEFINED;
1024 }
1025
1026 static int getTitleMusic(struct TitleControlInfo *tci)
1027 {
1028   boolean is_image = tci->is_image;
1029   int initial = tci->initial;
1030   int nr = tci->local_nr;
1031   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1032   int base = (is_image ?
1033               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
1034                          MUS_BACKGROUND_TITLESCREEN_1) :
1035               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1036                          MUS_BACKGROUND_TITLEMESSAGE_1));
1037   int music_global = menu.music[mode];
1038   int music_local = base + nr;
1039
1040 #if 0
1041   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
1042         nr, initial, is_image,
1043         music_global, getMusicListEntry(music_global)->filename,
1044         music_local, getMusicListEntry(music_local)->filename);
1045 #endif
1046
1047   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
1048     return music_local;
1049
1050   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
1051     return music_global;
1052
1053   return MUS_UNDEFINED;
1054 }
1055
1056 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
1057 {
1058   boolean is_image = tci->is_image;
1059   boolean initial = tci->initial;
1060   boolean first = tci->first;
1061   int nr = tci->local_nr;
1062   struct TitleMessageInfo tmi;
1063   struct TitleFadingInfo ti;
1064
1065   tmi = (is_image ? (initial ? (first ?
1066                                 titlescreen_initial_first[nr] :
1067                                 titlescreen_initial[nr])
1068                              : (first ?
1069                                 titlescreen_first[nr] :
1070                                 titlescreen[nr]))
1071                   : (initial ? (first ?
1072                                 titlemessage_initial_first[nr] :
1073                                 titlemessage_initial[nr])
1074                              : (first ?
1075                                 titlemessage_first[nr] :
1076                                 titlemessage[nr])));
1077
1078   ti.fade_mode  = tmi.fade_mode;
1079   ti.fade_delay = tmi.fade_delay;
1080   ti.post_delay = tmi.post_delay;
1081   ti.auto_delay = tmi.auto_delay;
1082   ti.auto_delay_unit = tmi.auto_delay_unit;
1083
1084   return ti;
1085 }
1086
1087 static int compareTitleControlInfo(const void *object1, const void *object2)
1088 {
1089   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1090   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1091   int compare_result;
1092
1093   if (tci1->initial != tci2->initial)
1094     compare_result = (tci1->initial ? -1 : +1);
1095   else if (tci1->sort_priority != tci2->sort_priority)
1096     compare_result = tci1->sort_priority - tci2->sort_priority;
1097   else if (tci1->is_image != tci2->is_image)
1098     compare_result = (tci1->is_image ? -1 : +1);
1099   else
1100     compare_result = tci1->local_nr - tci2->local_nr;
1101
1102   return compare_result;
1103 }
1104
1105 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1106                                                     boolean initial,
1107                                                     int nr, int sort_priority)
1108 {
1109   title_controls[num_title_screens].is_image = is_image;
1110   title_controls[num_title_screens].initial = initial;
1111   title_controls[num_title_screens].local_nr = nr;
1112   title_controls[num_title_screens].sort_priority = sort_priority;
1113
1114   title_controls[num_title_screens].first = FALSE;      // will be set later
1115
1116   num_title_screens++;
1117 }
1118
1119 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1120 {
1121   int i;
1122
1123   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1124   {
1125     int graphic = getTitleScreenGraphic(i, initial);
1126     Bitmap *bitmap = graphic_info[graphic].bitmap;
1127     int sort_priority = graphic_info[graphic].sort_priority;
1128
1129     if (bitmap != NULL)
1130       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1131   }
1132
1133   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1134   {
1135     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1136     char *filename = getLevelSetTitleMessageFilename(i, initial);
1137     int sort_priority = tmi->sort_priority;
1138
1139     if (filename != NULL)
1140       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1141   }
1142 }
1143
1144 static void InitializeTitleControls(boolean show_title_initial)
1145 {
1146   num_title_screens = 0;
1147
1148   // 1st step: initialize title screens for game start (only when starting)
1149   if (show_title_initial)
1150     InitializeTitleControls_CheckTitleInfo(TRUE);
1151
1152   // 2nd step: initialize title screens for current level set
1153   InitializeTitleControls_CheckTitleInfo(FALSE);
1154
1155   // sort title screens according to sort_priority and title number
1156   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1157         compareTitleControlInfo);
1158
1159   // mark first title screen
1160   title_controls[0].first = TRUE;
1161 }
1162
1163 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1164 {
1165   return (pos != NULL && pos->x != -1 && pos->y != -1);
1166 }
1167
1168 static boolean visibleTextPos(struct TextPosInfo *pos)
1169 {
1170   return (pos != NULL && pos->x != -1 && pos->y != -1);
1171 }
1172
1173 static void InitializeMainControls(void)
1174 {
1175   boolean local_team_mode = (!network.enabled && setup.team_mode);
1176   int i;
1177
1178   // set main control text values to dynamically determined values
1179   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1180
1181   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1182                                          menu.main.text.first_level.size));
1183   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1184                                          menu.main.text.last_level.size));
1185   strcpy(main_text_level_number, int2str(level_nr,
1186                                          menu.main.text.level_number.size));
1187
1188   main_text_level_year          = leveldir_current->year;
1189   main_text_level_imported_from = leveldir_current->imported_from;
1190   main_text_level_imported_by   = leveldir_current->imported_by;
1191   main_text_level_tested_by     = leveldir_current->tested_by;
1192
1193   main_text_title_1 = getConfigProgramTitleString();
1194   main_text_title_2 = getConfigProgramCopyrightString();
1195   main_text_title_3 = getConfigProgramCompanyString();
1196
1197   // set main control screen positions to dynamically determined values
1198   for (i = 0; main_controls[i].nr != -1; i++)
1199   {
1200     struct MainControlInfo *mci = &main_controls[i];
1201     int nr                         = mci->nr;
1202     struct MenuPosInfo *pos_button = mci->pos_button;
1203     struct TextPosInfo *pos_text   = mci->pos_text;
1204     struct TextPosInfo *pos_input  = mci->pos_input;
1205     char *text                     = (mci->text  ? *mci->text  : NULL);
1206     char *input                    = (mci->input ? *mci->input : NULL);
1207     int button_graphic             = mci->button_graphic;
1208     int font_text                  = (pos_text  ? pos_text->font  : -1);
1209     int font_input                 = (pos_input ? pos_input->font : -1);
1210
1211     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1212     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1213     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1214     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1215     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1216     int input_chars = (input != NULL ? strlen(input) : 0);
1217
1218     int button_width =
1219       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1220     int button_height =
1221       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1222     int text_width   = font_text_width * text_chars;
1223     int text_height  = font_text_height;
1224     int input_width  = font_input_width * input_chars;
1225     int input_height = font_input_height;
1226
1227     if (nr == MAIN_CONTROL_NAME)
1228     {
1229       menu.main.input.name.width  = input_width;
1230       menu.main.input.name.height = input_height;
1231     }
1232
1233     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1234     {
1235       pos_button->width  = button_width;
1236       pos_button->height = button_height;
1237     }
1238
1239     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1240     {
1241       // calculate text size -- needed for text alignment
1242       boolean calculate_text_size = (text != NULL);
1243
1244       if (pos_text->width == -1 || calculate_text_size)
1245         pos_text->width = text_width;
1246       if (pos_text->height == -1 || calculate_text_size)
1247         pos_text->height = text_height;
1248
1249       if (visibleMenuPos(pos_button))
1250       {
1251         if (pos_text->x == -1)
1252           pos_text->x = pos_button->x + pos_button->width;
1253         if (pos_text->y == -1)
1254           pos_text->y =
1255             pos_button->y + (pos_button->height - pos_text->height) / 2;
1256       }
1257     }
1258
1259     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1260     {
1261       if (visibleTextPos(pos_text))
1262       {
1263         if (pos_input->x == -1)
1264           pos_input->x = pos_text->x + pos_text->width;
1265         if (pos_input->y == -1)
1266           pos_input->y = pos_text->y;
1267       }
1268
1269       if (pos_input->width == -1)
1270         pos_input->width = input_width;
1271       if (pos_input->height == -1)
1272         pos_input->height = input_height;
1273     }
1274   }
1275 }
1276
1277 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1278                                        int graphic, boolean pressed)
1279 {
1280   struct GraphicInfo *g = &graphic_info[graphic];
1281   Bitmap *src_bitmap;
1282   int src_x, src_y;
1283   int xoffset = (pressed ? g->pressed_xoffset : 0);
1284   int yoffset = (pressed ? g->pressed_yoffset : 0);
1285
1286   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1287
1288   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1289                    g->width, g->height, dst_x, dst_y);
1290 }
1291
1292 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1293                                        boolean active_input,
1294                                        boolean pressed_button)
1295 {
1296   int i;
1297
1298   for (i = 0; main_controls[i].nr != -1; i++)
1299   {
1300     struct MainControlInfo *mci = &main_controls[i];
1301
1302     if (mci->nr == nr || nr == -1)
1303     {
1304       struct MenuPosInfo *pos_button = mci->pos_button;
1305       struct TextPosInfo *pos_text   = mci->pos_text;
1306       struct TextPosInfo *pos_input  = mci->pos_input;
1307       char *text                     = (mci->text  ? *mci->text  : NULL);
1308       char *input                    = (mci->input ? *mci->input : NULL);
1309       int button_graphic             = mci->button_graphic;
1310       int font_text                  = (pos_text  ? pos_text->font  : -1);
1311       int font_input                 = (pos_input ? pos_input->font : -1);
1312
1313       if (active_text)
1314       {
1315         button_graphic = BUTTON_ACTIVE(button_graphic);
1316         font_text = FONT_ACTIVE(font_text);
1317       }
1318
1319       if (active_input)
1320       {
1321         font_input = FONT_ACTIVE(font_input);
1322       }
1323
1324       if (visibleMenuPos(pos_button))
1325       {
1326         struct MenuPosInfo *pos = pos_button;
1327         int x = mSX + pos->x;
1328         int y = mSY + pos->y;
1329
1330         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1331         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1332       }
1333
1334       if (visibleTextPos(pos_text) && text != NULL)
1335       {
1336         struct TextPosInfo *pos = pos_text;
1337         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1338         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1339
1340 #if 1
1341         // (check why/if this is needed)
1342         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1343 #endif
1344         DrawText(x, y, text, font_text);
1345       }
1346
1347       if (visibleTextPos(pos_input) && input != NULL)
1348       {
1349         struct TextPosInfo *pos = pos_input;
1350         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1351         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1352
1353 #if 1
1354         // (check why/if this is needed)
1355         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1356 #endif
1357         DrawText(x, y, input, font_input);
1358       }
1359     }
1360   }
1361 }
1362
1363 static void DrawCursorAndText_Main(int nr, boolean active_text,
1364                                    boolean pressed_button)
1365 {
1366   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1367 }
1368
1369 #if 0
1370 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1371                                          boolean pressed_button)
1372 {
1373   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1374 }
1375 #endif
1376
1377 static struct MainControlInfo *getMainControlInfo(int nr)
1378 {
1379   int i;
1380
1381   for (i = 0; main_controls[i].nr != -1; i++)
1382     if (main_controls[i].nr == nr)
1383       return &main_controls[i];
1384
1385   return NULL;
1386 }
1387
1388 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1389 {
1390   if (rect == NULL)
1391     return FALSE;
1392
1393   int rect_x = ALIGNED_TEXT_XPOS(rect);
1394   int rect_y = ALIGNED_TEXT_YPOS(rect);
1395
1396   return (x >= rect_x && x < rect_x + rect->width &&
1397           y >= rect_y && y < rect_y + rect->height);
1398 }
1399
1400 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1401 {
1402   if (rect == NULL)
1403     return FALSE;
1404
1405   int rect_x = ALIGNED_TEXT_XPOS(rect);
1406   int rect_y = ALIGNED_TEXT_YPOS(rect);
1407
1408 #if 0
1409   Debug("screens:insideTextPosRect",
1410         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1411         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1412         (x >= rect_x && x < rect_x + rect->width &&
1413          y >= rect_y && y < rect_y + rect->height));
1414 #endif
1415
1416   return (x >= rect_x && x < rect_x + rect->width &&
1417           y >= rect_y && y < rect_y + rect->height);
1418 }
1419
1420 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1421 {
1422   int rect_width  = preview->xsize * preview->tile_size;
1423   int rect_height = preview->ysize * preview->tile_size;
1424   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1425   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1426
1427   return (x >= rect_x && x < rect_x + rect_width &&
1428           y >= rect_y && y < rect_y + rect_height);
1429 }
1430
1431 static void AdjustScrollbar(int id, int items_max, int items_visible,
1432                             int item_position)
1433 {
1434   struct GadgetInfo *gi = screen_gadget[id];
1435
1436   if (item_position > items_max - items_visible)
1437     item_position = items_max - items_visible;
1438
1439   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1440                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1441                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1442 }
1443
1444 static void AdjustChooseTreeScrollbar(TreeInfo *ti, int id)
1445 {
1446   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1447                   ti->cl_first);
1448 }
1449
1450 static void clearMenuListArea(void)
1451 {
1452   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1453
1454   // correct scrollbar position if placed outside menu (playfield) area
1455   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1456     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1457
1458   // clear menu list area, but not title or scrollbar
1459   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1460                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1461
1462   // special compatibility handling for "Snake Bite" graphics set
1463   if (strPrefix(leveldir_current->identifier, "snake_bite"))
1464     ClearRectangle(drawto, mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1465                    scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1466 }
1467
1468 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1469 {
1470   static int cursor_array[MAX_LEV_FIELDY];
1471   int x = amSX + TILEX * xpos;
1472   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1473
1474   if (xpos == 0)
1475   {
1476     if (graphic != -1)
1477       cursor_array[ypos] = graphic;
1478     else
1479       graphic = cursor_array[ypos];
1480   }
1481
1482   if (active)
1483     graphic = BUTTON_ACTIVE(graphic);
1484
1485   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1486   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1487 }
1488
1489 static void initCursor(int ypos, int graphic)
1490 {
1491   drawCursorExt(0, ypos, FALSE, graphic);
1492 }
1493
1494 static void drawCursor(int ypos, boolean active)
1495 {
1496   drawCursorExt(0, ypos, active, -1);
1497 }
1498
1499 static void drawCursorXY(int xpos, int ypos, int graphic)
1500 {
1501   drawCursorExt(xpos, ypos, FALSE, graphic);
1502 }
1503
1504 static void drawChooseTreeCursor(int ypos, boolean active)
1505 {
1506   drawCursorExt(0, ypos, active, -1);
1507 }
1508
1509 static int getChooseTreeEditFont(boolean active)
1510 {
1511   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1512 }
1513
1514 static int getChooseTreeEditXPos(int pos)
1515 {
1516   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1517   int xoffset = (has_scrollbar ? -1 : 0);
1518   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1519   int sx = amSX + xpos * TILEX;
1520   int font_nr = getChooseTreeEditFont(FALSE);
1521   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1522
1523   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1524 }
1525
1526 static int getChooseTreeEditYPos(int ypos_raw)
1527 {
1528   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1529   int sy = amSY + ypos * TILEY;
1530
1531   return sy;
1532 }
1533
1534 static int getChooseTreeEditXPosReal(int pos)
1535 {
1536   int xpos = getChooseTreeEditXPos(pos);
1537   int font_nr = getChooseTreeEditFont(FALSE);
1538   int font_xoffset = getFontDrawOffsetX(font_nr);
1539
1540   return xpos + font_xoffset;
1541 }
1542
1543 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1544 {
1545   int sx = getChooseTreeEditXPos(POS_LEFT);
1546   int sy = getChooseTreeEditYPos(ypos_raw);
1547   int font_nr = getChooseTreeEditFont(active);
1548
1549   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1550 }
1551
1552 static void DrawHeadline(void)
1553 {
1554   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1555   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1556 }
1557
1558 static void DrawTitleScreenImage(int nr, boolean initial)
1559 {
1560   int graphic = getTitleScreenGraphic(nr, initial);
1561   Bitmap *bitmap = graphic_info[graphic].bitmap;
1562   int width  = graphic_info[graphic].width;
1563   int height = graphic_info[graphic].height;
1564   int src_x = graphic_info[graphic].src_x;
1565   int src_y = graphic_info[graphic].src_y;
1566   int dst_x, dst_y;
1567
1568   if (bitmap == NULL)
1569     return;
1570
1571   if (width > WIN_XSIZE)
1572   {
1573     // image width too large for window => center image horizontally
1574     src_x = (width - WIN_XSIZE) / 2;
1575     width = WIN_XSIZE;
1576   }
1577
1578   if (height > WIN_YSIZE)
1579   {
1580     // image height too large for window => center image vertically
1581     src_y = (height - WIN_YSIZE) / 2;
1582     height = WIN_YSIZE;
1583   }
1584
1585   // always display title screens centered
1586   dst_x = (WIN_XSIZE - width) / 2;
1587   dst_y = (WIN_YSIZE - height) / 2;
1588
1589   SetDrawBackgroundMask(REDRAW_ALL);
1590   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1591
1592   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1593
1594   if (DrawingOnBackground(dst_x, dst_y))
1595     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1596   else
1597     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1598
1599   redraw_mask = REDRAW_ALL;
1600 }
1601
1602 static void DrawTitleScreenMessage(int nr, boolean initial)
1603 {
1604   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1605   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1606
1607   if (filename == NULL)
1608     return;
1609
1610   // force TITLE font on title message screen
1611   SetFontStatus(getTitleMessageGameMode(initial));
1612
1613   // if chars *and* width set to "-1", automatically determine width
1614   if (tmi->chars == -1 && tmi->width == -1)
1615     tmi->width = viewport.window[game_status].width;
1616
1617   // if lines *and* height set to "-1", automatically determine height
1618   if (tmi->lines == -1 && tmi->height == -1)
1619     tmi->height = viewport.window[game_status].height;
1620
1621   // if chars set to "-1", automatically determine by text and font width
1622   if (tmi->chars == -1)
1623     tmi->chars = tmi->width / getFontWidth(tmi->font);
1624   else
1625     tmi->width = tmi->chars * getFontWidth(tmi->font);
1626
1627   // if lines set to "-1", automatically determine by text and font height
1628   if (tmi->lines == -1)
1629     tmi->lines = tmi->height / getFontHeight(tmi->font);
1630   else
1631     tmi->height = tmi->lines * getFontHeight(tmi->font);
1632
1633   // if x set to "-1", automatically determine by width and alignment
1634   if (tmi->x == -1)
1635     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1636
1637   // if y set to "-1", automatically determine by height and alignment
1638   if (tmi->y == -1)
1639     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1640
1641   SetDrawBackgroundMask(REDRAW_ALL);
1642   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1643
1644   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1645
1646   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1647                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1648                tmi->autowrap, tmi->centered, tmi->parse_comments);
1649
1650   ResetFontStatus();
1651 }
1652
1653 static void DrawTitleScreen(void)
1654 {
1655   KeyboardAutoRepeatOff();
1656
1657   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1658 }
1659
1660 static boolean CheckTitleScreen(boolean levelset_has_changed)
1661 {
1662   static boolean show_title_initial = TRUE;
1663   boolean show_titlescreen = FALSE;
1664
1665   // needed to be able to skip title screen, if no image or message defined
1666   InitializeTitleControls(show_title_initial);
1667
1668   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1669     show_titlescreen = TRUE;
1670
1671   // show initial title images and messages only once at program start
1672   show_title_initial = FALSE;
1673
1674   return (show_titlescreen && num_title_screens > 0);
1675 }
1676
1677 void DrawMainMenu(void)
1678 {
1679   static LevelDirTree *leveldir_last_valid = NULL;
1680   boolean levelset_has_changed = FALSE;
1681   int fade_mask = REDRAW_FIELD;
1682
1683   LimitScreenUpdates(FALSE);
1684
1685   FadeSetLeaveScreen();
1686
1687   // do not fade out here -- function may continue and fade on editor screen
1688
1689   UnmapAllGadgets();
1690   FadeMenuSoundsAndMusic();
1691
1692   ExpireSoundLoops(FALSE);
1693
1694   KeyboardAutoRepeatOn();
1695
1696   audio.sound_deactivated = FALSE;
1697
1698   GetPlayerConfig();
1699
1700   // needed if last screen was the playing screen, invoked from level editor
1701   if (level_editor_test_game)
1702   {
1703     CloseDoor(DOOR_CLOSE_ALL);
1704
1705     SetGameStatus(GAME_MODE_EDITOR);
1706
1707     DrawLevelEd();
1708
1709     return;
1710   }
1711
1712   // needed if last screen was the playing screen, invoked from hall of fame
1713   if (score_info_tape_play)
1714   {
1715     CloseDoor(DOOR_CLOSE_ALL);
1716
1717     SetGameStatus(GAME_MODE_SCOREINFO);
1718
1719     DrawScoreInfo(scores.last_entry_nr);
1720
1721     return;
1722   }
1723
1724   // reset flag to continue playing next level from hall of fame
1725   scores.continue_playing = FALSE;
1726
1727   // leveldir_current may be invalid (level group, parent link, node copy)
1728   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1729
1730   if (leveldir_current != leveldir_last_valid)
1731   {
1732     UpdateLastPlayedLevels_TreeInfo();
1733
1734     levelset_has_changed = TRUE;
1735   }
1736
1737   // store valid level series information
1738   leveldir_last_valid = leveldir_current;
1739
1740   // needed if last screen (level choice) changed graphics, sounds or music
1741   ReloadCustomArtwork(0);
1742
1743   if (CheckTitleScreen(levelset_has_changed))
1744   {
1745     SetGameStatus(GAME_MODE_TITLE);
1746
1747     DrawTitleScreen();
1748
1749     return;
1750   }
1751
1752   if (redraw_mask & REDRAW_ALL)
1753     fade_mask = REDRAW_ALL;
1754
1755   if (CheckFadeAll())
1756     fade_mask = REDRAW_ALL;
1757
1758   FadeOut(fade_mask);
1759
1760   // needed if different viewport properties defined for menues
1761   ChangeViewportPropertiesIfNeeded();
1762
1763   SetDrawtoField(DRAW_TO_BACKBUFFER);
1764
1765   // level_nr may have been set to value over handicap with level editor
1766   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1767     level_nr = leveldir_current->handicap_level;
1768
1769   LoadLevel(level_nr);
1770   LoadScore(level_nr);
1771
1772   SaveLevelSetup_SeriesInfo();
1773
1774   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1775   SetDrawDeactivationMask(REDRAW_NONE);
1776   SetDrawBackgroundMask(REDRAW_FIELD);
1777
1778   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1779
1780 #if 0
1781   if (fade_mask == REDRAW_ALL)
1782     RedrawGlobalBorder();
1783 #endif
1784
1785   ClearField();
1786
1787   InitializeMainControls();
1788
1789   DrawCursorAndText_Main(-1, FALSE, FALSE);
1790   DrawPreviewLevelInitial();
1791   DrawNetworkPlayers();
1792
1793   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1794
1795   TapeStop();
1796   if (TAPE_IS_EMPTY(tape))
1797     LoadTape(level_nr);
1798   DrawCompleteVideoDisplay();
1799
1800   PlayMenuSoundsAndMusic();
1801
1802   // create gadgets for main menu screen
1803   FreeScreenGadgets();
1804   CreateScreenGadgets();
1805
1806   // may be required if audio buttons shown on tape and changed in setup menu
1807   FreeGameButtons();
1808   CreateGameButtons();
1809
1810   // map gadgets for main menu screen
1811   MapTapeButtons();
1812   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1813   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1814
1815   // copy actual game door content to door double buffer for OpenDoor()
1816   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1817   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1818
1819   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1820
1821   DrawMaskedBorder(fade_mask);
1822
1823   FadeIn(fade_mask);
1824   FadeSetEnterMenu();
1825
1826   // update screen area with special editor door
1827   redraw_mask |= REDRAW_ALL;
1828   BackToFront();
1829
1830   SetMouseCursor(CURSOR_DEFAULT);
1831
1832   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1833
1834   SyncEmscriptenFilesystem();
1835
1836   // needed once after program start or after user change
1837   CheckApiServerTasks();
1838 }
1839
1840 static void gotoTopLevelDir(void)
1841 {
1842   // move upwards until inside (but not above) top level directory
1843   while (leveldir_current->node_parent &&
1844          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1845   {
1846     // write a "path" into level tree for easy navigation to last level
1847     if (leveldir_current->node_parent->node_group->cl_first == -1)
1848     {
1849       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1850       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1851       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1852       int cl_first, cl_cursor;
1853
1854       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1855       cl_cursor = leveldir_pos - cl_first;
1856
1857       leveldir_current->node_parent->node_group->cl_first = cl_first;
1858       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1859     }
1860
1861     leveldir_current = leveldir_current->node_parent;
1862   }
1863 }
1864
1865 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1866 {
1867   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1868
1869   return (use_frame_counter ? video.frame_counter : Counter());
1870 }
1871
1872 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1873                                      struct TitleFadingInfo *fi)
1874 {
1875   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1876 }
1877
1878 static void ResetTitleAutoDelay(unsigned int *counter_var,
1879                                 struct TitleFadingInfo *fi)
1880 {
1881   *counter_var = getAutoDelayCounter(fi);
1882 }
1883
1884 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1885 {
1886   static unsigned int title_delay = 0;
1887   static int title_screen_nr = 0;
1888   static int last_sound = -1, last_music = -1;
1889   boolean return_to_main_menu = FALSE;
1890   struct TitleControlInfo *tci;
1891   int sound, music;
1892
1893   if (button == MB_MENU_INITIALIZE)
1894   {
1895     title_delay = 0;
1896     title_screen_nr = 0;
1897     tci = &title_controls[title_screen_nr];
1898
1899     SetAnimStatus(getTitleAnimMode(tci));
1900
1901     last_sound = SND_UNDEFINED;
1902     last_music = MUS_UNDEFINED;
1903
1904     if (num_title_screens != 0)
1905     {
1906       FadeSetEnterScreen();
1907
1908       // use individual title fading instead of global "enter screen" fading
1909       fading = getTitleFading(tci);
1910     }
1911
1912     if (game_status_last_screen == GAME_MODE_INFO)
1913     {
1914       if (num_title_screens == 0)
1915       {
1916         // switch game mode from title screen mode back to info screen mode
1917         SetGameStatus(GAME_MODE_INFO);
1918
1919         // store that last screen was info screen, not main menu screen
1920         game_status_last_screen = GAME_MODE_INFO;
1921
1922         DrawInfoScreen_NotAvailable("Title screen information:",
1923                                     "No title screen for this level set.");
1924         return;
1925       }
1926     }
1927
1928     FadeMenuSoundsAndMusic();
1929
1930     FadeOut(REDRAW_ALL);
1931
1932     // title screens may have different window size
1933     ChangeViewportPropertiesIfNeeded();
1934
1935     // only required to update logic for redrawing global border
1936     ClearField();
1937
1938     if (tci->is_image)
1939       DrawTitleScreenImage(tci->local_nr, tci->initial);
1940     else
1941       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1942
1943     sound = getTitleSound(tci);
1944     music = getTitleMusic(tci);
1945
1946     if (sound != last_sound)
1947       PlayMenuSoundExt(sound);
1948     if (music != last_music)
1949       PlayMenuMusicExt(music);
1950
1951     last_sound = sound;
1952     last_music = music;
1953
1954     SetMouseCursor(CURSOR_NONE);
1955
1956     FadeIn(REDRAW_ALL);
1957
1958     ResetTitleAutoDelay(&title_delay, &fading);
1959
1960     return;
1961   }
1962
1963   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1964     button = MB_MENU_CHOICE;
1965
1966   if (button == MB_MENU_LEAVE)
1967   {
1968     return_to_main_menu = TRUE;
1969   }
1970   else if (button == MB_MENU_CHOICE || dx)
1971   {
1972     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1973     {
1974       SetGameStatus(GAME_MODE_INFO);
1975
1976       info_mode = INFO_MODE_MAIN;
1977
1978       DrawInfoScreen();
1979
1980       return;
1981     }
1982
1983     title_screen_nr +=
1984       (game_status_last_screen == GAME_MODE_INFO && dx < 0 ? -1 : +1);
1985
1986     if (title_screen_nr >= 0 && title_screen_nr < num_title_screens)
1987     {
1988       tci = &title_controls[title_screen_nr];
1989
1990       SetAnimStatus(getTitleAnimMode(tci));
1991
1992       sound = getTitleSound(tci);
1993       music = getTitleMusic(tci);
1994
1995       if (last_sound != SND_UNDEFINED && sound != last_sound)
1996         FadeSound(last_sound);
1997       if (last_music != MUS_UNDEFINED && music != last_music)
1998         FadeMusic();
1999
2000       fading = getTitleFading(tci);
2001
2002       FadeOut(REDRAW_ALL);
2003
2004       if (tci->is_image)
2005         DrawTitleScreenImage(tci->local_nr, tci->initial);
2006       else
2007         DrawTitleScreenMessage(tci->local_nr, tci->initial);
2008
2009       sound = getTitleSound(tci);
2010       music = getTitleMusic(tci);
2011
2012       if (sound != last_sound)
2013         PlayMenuSoundExt(sound);
2014       if (music != last_music)
2015         PlayMenuMusicExt(music);
2016
2017       last_sound = sound;
2018       last_music = music;
2019
2020       FadeIn(REDRAW_ALL);
2021
2022       ResetTitleAutoDelay(&title_delay, &fading);
2023     }
2024     else
2025     {
2026       FadeMenuSoundsAndMusic();
2027
2028       return_to_main_menu = TRUE;
2029     }
2030   }
2031
2032   if (return_to_main_menu)
2033   {
2034     SetMouseCursor(CURSOR_DEFAULT);
2035
2036     // force full menu screen redraw after displaying title screens
2037     redraw_mask = REDRAW_ALL;
2038
2039     if (game_status_last_screen == GAME_MODE_INFO)
2040     {
2041       SetGameStatus(GAME_MODE_INFO);
2042
2043       info_mode = INFO_MODE_MAIN;
2044
2045       DrawInfoScreen();
2046     }
2047     else        // default: return to main menu
2048     {
2049       SetGameStatus(GAME_MODE_MAIN);
2050
2051       DrawMainMenu();
2052     }
2053   }
2054 }
2055
2056 static void HandleMainMenu_ToggleTeamMode(void)
2057 {
2058   setup.team_mode = !setup.team_mode;
2059
2060   InitializeMainControls();
2061   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
2062
2063   DrawPreviewPlayers();
2064 }
2065
2066 static void HandleMainMenu_SelectLevel(int step, int direction,
2067                                        int selected_level_nr)
2068 {
2069   int old_level_nr = level_nr;
2070   int new_level_nr;
2071
2072   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
2073     new_level_nr = selected_level_nr;
2074   else
2075     new_level_nr = old_level_nr + step * direction;
2076
2077   if (new_level_nr < leveldir_current->first_level)
2078     new_level_nr = leveldir_current->first_level;
2079   if (new_level_nr > leveldir_current->last_level)
2080     new_level_nr = leveldir_current->last_level;
2081
2082   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
2083   {
2084     // skipping levels is only allowed when trying to skip single level
2085     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
2086         Request("Level still unsolved! Skip it anyway?", REQ_ASK))
2087     {
2088       leveldir_current->handicap_level++;
2089       SaveLevelSetup_SeriesInfo();
2090     }
2091
2092     new_level_nr = leveldir_current->handicap_level;
2093   }
2094
2095   if (new_level_nr != old_level_nr)
2096   {
2097     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2098
2099     PlaySound(SND_MENU_ITEM_SELECTING);
2100
2101     level_nr = new_level_nr;
2102
2103     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2104              int2str(level_nr, menu.main.text.level_number.size),
2105              mci->pos_text->font);
2106
2107     LoadLevel(level_nr);
2108     DrawPreviewLevelInitial();
2109
2110     TapeErase();
2111     LoadTape(level_nr);
2112     DrawCompleteVideoDisplay();
2113
2114     SaveLevelSetup_SeriesInfo();
2115
2116     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2117
2118     // force redraw of playfield area (may be reset at this point)
2119     redraw_mask |= REDRAW_FIELD;
2120   }
2121 }
2122
2123 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2124 {
2125   static int choice = MAIN_CONTROL_GAME;
2126   static boolean button_pressed_last = FALSE;
2127   boolean button_pressed = FALSE;
2128   int pos = choice;
2129   int i = 0;    // needed to prevent compiler warning due to bad code below
2130
2131   if (button == MB_MENU_INITIALIZE)
2132   {
2133     DrawCursorAndText_Main(choice, TRUE, FALSE);
2134
2135     return;
2136   }
2137
2138   if (mx || my)         // mouse input
2139   {
2140     pos = -1;
2141
2142     for (i = 0; main_controls[i].nr != -1; i++)
2143     {
2144       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2145           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2146           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2147       {
2148         pos = main_controls[i].nr;
2149
2150         break;
2151       }
2152     }
2153
2154     // check if level preview was clicked
2155     if (insidePreviewRect(&preview, mx - SX, my - SY))
2156       pos = MAIN_CONTROL_GAME;
2157
2158     // handle pressed/unpressed state for active/inactive menu buttons
2159     // (if pos != -1, "i" contains index position corresponding to "pos")
2160     if (button &&
2161         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2162         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2163       button_pressed = TRUE;
2164
2165     if (button_pressed != button_pressed_last)
2166     {
2167       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2168
2169       if (button_pressed)
2170         PlaySound(SND_MENU_BUTTON_PRESSING);
2171       else
2172         PlaySound(SND_MENU_BUTTON_RELEASING);
2173     }
2174   }
2175   else if (dx || dy)    // keyboard input
2176   {
2177     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2178                    choice == MAIN_CONTROL_SETUP))
2179       button = MB_MENU_CHOICE;
2180     else if (dy)
2181       pos = choice + dy;
2182   }
2183
2184   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2185   {
2186     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2187   }
2188   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2189   {
2190     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2191   }
2192   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2193   {
2194     CloseDoor(DOOR_CLOSE_2);
2195
2196     SetGameStatus(GAME_MODE_LEVELNR);
2197
2198     DrawChooseLevelNr();
2199   }
2200   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2201   {
2202     if (button)
2203     {
2204       if (pos != choice)
2205       {
2206         PlaySound(SND_MENU_ITEM_ACTIVATING);
2207
2208         DrawCursorAndText_Main(choice, FALSE, FALSE);
2209         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2210
2211         choice = pos;
2212       }
2213       else if (dx != 0)
2214       {
2215         if (choice == MAIN_CONTROL_NAME)
2216         {
2217           // special case: cursor left or right pressed -- toggle team mode
2218           HandleMainMenu_ToggleTeamMode();
2219         }
2220         else if (choice != MAIN_CONTROL_INFO &&
2221                  choice != MAIN_CONTROL_SETUP)
2222         {
2223           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2224         }
2225       }
2226     }
2227     else
2228     {
2229       PlaySound(SND_MENU_ITEM_SELECTING);
2230
2231       if (pos == MAIN_CONTROL_NAME)
2232       {
2233         if ((mx || my) &&
2234             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2235         {
2236           // special case: menu text "name/team" clicked -- toggle team mode
2237           HandleMainMenu_ToggleTeamMode();
2238         }
2239         else
2240         {
2241           if (setup.multiple_users)
2242           {
2243             CloseDoor(DOOR_CLOSE_2);
2244
2245             SetGameStatus(GAME_MODE_NAMES);
2246
2247             DrawChoosePlayerName();
2248           }
2249           else
2250           {
2251             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2252
2253             DrawTypeName();
2254           }
2255         }
2256       }
2257       else if (pos == MAIN_CONTROL_LEVELS)
2258       {
2259         if (leveldir_first)
2260         {
2261           CloseDoor(DOOR_CLOSE_2);
2262
2263           SetGameStatus(GAME_MODE_LEVELS);
2264
2265           SaveLevelSetup_LastSeries();
2266           SaveLevelSetup_SeriesInfo();
2267
2268           // restore level set if chosen from "last played level set" menu
2269           RestoreLastPlayedLevels(&leveldir_current);
2270
2271           if (setup.internal.choose_from_top_leveldir)
2272             gotoTopLevelDir();
2273
2274           DrawChooseLevelSet();
2275         }
2276       }
2277       else if (pos == MAIN_CONTROL_SCORES)
2278       {
2279         CloseDoor(DOOR_CLOSE_2);
2280
2281         SetGameStatus(GAME_MODE_SCORES);
2282
2283         DrawHallOfFame(level_nr);
2284       }
2285       else if (pos == MAIN_CONTROL_EDITOR)
2286       {
2287         if (leveldir_current->readonly &&
2288             setup.editor.show_read_only_warning)
2289           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2290
2291         CloseDoor(DOOR_CLOSE_ALL);
2292
2293         SetGameStatus(GAME_MODE_EDITOR);
2294
2295         FadeSetEnterScreen();
2296
2297         DrawLevelEd();
2298       }
2299       else if (pos == MAIN_CONTROL_INFO)
2300       {
2301         CloseDoor(DOOR_CLOSE_2);
2302
2303         SetGameStatus(GAME_MODE_INFO);
2304
2305         info_mode = INFO_MODE_MAIN;
2306
2307         DrawInfoScreen();
2308       }
2309       else if (pos == MAIN_CONTROL_GAME)
2310       {
2311         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2312       }
2313       else if (pos == MAIN_CONTROL_SETUP)
2314       {
2315         CloseDoor(DOOR_CLOSE_2);
2316
2317         SetGameStatus(GAME_MODE_SETUP);
2318
2319         setup_mode = SETUP_MODE_MAIN;
2320
2321         DrawSetupScreen();
2322       }
2323       else if (pos == MAIN_CONTROL_QUIT)
2324       {
2325         SaveLevelSetup_LastSeries();
2326         SaveLevelSetup_SeriesInfo();
2327
2328 #if defined(PLATFORM_EMSCRIPTEN)
2329         Request("Close the browser window to quit!", REQ_CONFIRM);
2330 #else
2331         if (!setup.ask_on_quit_program ||
2332             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2333           SetGameStatus(GAME_MODE_QUIT);
2334 #endif
2335       }
2336     }
2337   }
2338
2339   button_pressed_last = button_pressed;
2340 }
2341
2342
2343 // ============================================================================
2344 // info screen functions
2345 // ============================================================================
2346
2347 static struct TokenInfo *info_info;
2348 static int num_info_info;       // number of info entries shown on screen
2349 static int max_info_info;       // total number of info entries in list
2350
2351 static void execInfoTitleScreen(void)
2352 {
2353   info_mode = INFO_MODE_TITLE;
2354
2355   DrawInfoScreen();
2356 }
2357
2358 static void execInfoElements(void)
2359 {
2360   info_mode = INFO_MODE_ELEMENTS;
2361
2362   DrawInfoScreen();
2363 }
2364
2365 static void execInfoMusic(void)
2366 {
2367   info_mode = INFO_MODE_MUSIC;
2368
2369   DrawInfoScreen();
2370 }
2371
2372 static void execInfoCredits(void)
2373 {
2374   info_mode = INFO_MODE_CREDITS;
2375
2376   DrawInfoScreen();
2377 }
2378
2379 static void execInfoProgram(void)
2380 {
2381   info_mode = INFO_MODE_PROGRAM;
2382
2383   DrawInfoScreen();
2384 }
2385
2386 static void execInfoVersion(void)
2387 {
2388   info_mode = INFO_MODE_VERSION;
2389
2390   DrawInfoScreen();
2391 }
2392
2393 static void execInfoLevelSet(void)
2394 {
2395   info_mode = INFO_MODE_LEVELSET;
2396
2397   DrawInfoScreen();
2398 }
2399
2400 static void execExitInfo(void)
2401 {
2402   SetGameStatus(GAME_MODE_MAIN);
2403
2404   DrawMainMenu();
2405 }
2406
2407 static struct TokenInfo info_info_main[] =
2408 {
2409   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2410   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2411   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2412   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2413   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2414   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2415   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2416   { TYPE_EMPTY,         NULL,                   ""                      },
2417   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2418
2419   { 0,                  NULL,                   NULL                    }
2420 };
2421
2422 static int getMenuTextFont(int type)
2423 {
2424   if (type & (TYPE_SWITCH       |
2425               TYPE_YES_NO       |
2426               TYPE_YES_NO_AUTO  |
2427               TYPE_STRING       |
2428               TYPE_PLAYER       |
2429               TYPE_ECS_AGA      |
2430               TYPE_KEYTEXT      |
2431               TYPE_ENTER_LIST   |
2432               TYPE_TEXT_INPUT))
2433     return FONT_MENU_2;
2434   else
2435     return FONT_MENU_1;
2436 }
2437
2438 static struct TokenInfo *setup_info;
2439 static struct TokenInfo setup_info_input[];
2440
2441 static struct TokenInfo *menu_info;
2442
2443 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2444                                        int screen_pos, int menu_info_pos_raw,
2445                                        boolean active)
2446 {
2447   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2448   struct TokenInfo *ti = &token_info[pos];
2449   int xpos = MENU_SCREEN_START_XPOS;
2450   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2451   int font_nr = getMenuTextFont(ti->type);
2452
2453   if (setup_mode == SETUP_MODE_INPUT)
2454     font_nr = FONT_MENU_1;
2455
2456   if (active)
2457     font_nr = FONT_ACTIVE(font_nr);
2458
2459   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2460
2461   if (ti->type & ~TYPE_SKIP_ENTRY)
2462     drawCursor(screen_pos, active);
2463 }
2464
2465 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2466                                    boolean active)
2467 {
2468   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2469 }
2470
2471 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2472                                     boolean active)
2473 {
2474   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2475 }
2476
2477 static char *window_size_text;
2478 static char *scaling_type_text;
2479 static char *network_server_text;
2480
2481 static void drawSetupValue(int, int);
2482
2483 static void drawMenuInfoList(int first_entry, int num_page_entries,
2484                              int max_page_entries)
2485 {
2486   int i;
2487
2488   if (first_entry + num_page_entries > max_page_entries)
2489     first_entry = 0;
2490
2491   clearMenuListArea();
2492
2493   for (i = 0; i < num_page_entries; i++)
2494   {
2495     int menu_info_pos = first_entry + i;
2496     struct TokenInfo *si = &menu_info[menu_info_pos];
2497     void *value_ptr = si->value;
2498
2499     // set some entries to "unchangeable" according to other variables
2500     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2501         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2502         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2503         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2504         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2505         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2506       si->type |= TYPE_GHOSTED;
2507
2508     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2509       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2510     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2511       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2512     else if (si->type & ~TYPE_SKIP_ENTRY)
2513       initCursor(i, IMG_MENU_BUTTON);
2514
2515     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2516
2517     if (si->type & TYPE_STRING)
2518     {
2519       int gadget_id = -1;
2520
2521       if (value_ptr == &network_server_text)
2522         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2523
2524       if (gadget_id != -1)
2525       {
2526         struct GadgetInfo *gi = screen_gadget[gadget_id];
2527         int xpos = MENU_SCREEN_START_XPOS;
2528         int ypos = MENU_SCREEN_START_YPOS + i;
2529         int x = mSX + xpos * 32;
2530         int y = mSY + ypos * 32;
2531
2532         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2533       }
2534     }
2535
2536     if (si->type & TYPE_VALUE &&
2537         menu_info == setup_info)
2538       drawSetupValue(i, menu_info_pos);
2539   }
2540 }
2541
2542 static void DrawInfoScreen_Main(void)
2543 {
2544   int fade_mask = REDRAW_FIELD;
2545   int i;
2546
2547   if (redraw_mask & REDRAW_ALL)
2548     fade_mask = REDRAW_ALL;
2549
2550   if (CheckFadeAll())
2551     fade_mask = REDRAW_ALL;
2552
2553   UnmapAllGadgets();
2554   FadeMenuSoundsAndMusic();
2555
2556   FreeScreenGadgets();
2557   CreateScreenGadgets();
2558
2559   // (needed after displaying title screens which disable auto repeat)
2560   KeyboardAutoRepeatOn();
2561
2562   FadeSetLeaveScreen();
2563
2564   FadeOut(fade_mask);
2565
2566   // needed if different viewport properties defined for info screen
2567   ChangeViewportPropertiesIfNeeded();
2568
2569   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2570
2571   ClearField();
2572
2573   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2574
2575   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2576
2577   info_info = info_info_main;
2578
2579   // use modified info screen info without info screen entries marked as hidden
2580   info_info = getSetupInfoFinal(info_info);
2581
2582   // determine maximal number of info entries that can be displayed on screen
2583   num_info_info = 0;
2584   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2585     num_info_info++;
2586
2587   // determine maximal number of info entries available for menu of info screen
2588   max_info_info = 0;
2589   for (i = 0; info_info[i].type != 0; i++)
2590     max_info_info++;
2591
2592   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2593
2594   MapScreenGadgets(max_info_info);
2595
2596   PlayMenuSoundsAndMusic();
2597
2598   DrawMaskedBorder(fade_mask);
2599
2600   FadeIn(fade_mask);
2601 }
2602
2603 static void changeSetupValue(int, int, int);
2604
2605 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2606                              int mode, int num_page_entries,
2607                              int max_page_entries)
2608 {
2609   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2610   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2611   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2612   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2613   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2614   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2615   int *num_page_entries_last = num_page_entries_all_last[game_status];
2616   int *choice_store = choice_stores[game_status];
2617   int *first_entry_store = first_entry_stores[game_status];
2618   int choice = choice_store[mode];              // starts with 0
2619   int first_entry = first_entry_store[mode];    // starts with 0
2620   int x = 0;
2621   int y = choice - first_entry;
2622   int y_old = y;
2623   boolean position_set_by_scrollbar = (dx == 999);
2624   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2625   int i;
2626
2627   if (button == MB_MENU_INITIALIZE)
2628   {
2629     // check if number of menu page entries has changed (may happen by change
2630     // of custom artwork definition value for 'list_size' for this menu screen)
2631     // (in this case, the last menu position most probably has to be corrected)
2632     if (num_page_entries != num_page_entries_last[mode])
2633     {
2634       choice_store[mode] = first_entry_store[mode] = 0;
2635
2636       choice = first_entry = 0;
2637       y = y_old = 0;
2638
2639       num_page_entries_last[mode] = num_page_entries;
2640     }
2641
2642     // advance to first valid menu entry
2643     while (choice < num_page_entries &&
2644            menu_info[choice].type & TYPE_SKIP_ENTRY)
2645       choice++;
2646
2647     if (position_set_by_scrollbar)
2648       first_entry = first_entry_store[mode] = dy;
2649     else
2650       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2651                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2652
2653     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2654
2655     if (choice < first_entry)
2656     {
2657       choice = first_entry;
2658
2659       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2660         choice++;
2661     }
2662     else if (choice > first_entry + num_page_entries - 1)
2663     {
2664       choice = first_entry + num_page_entries - 1;
2665
2666       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2667         choice--;
2668     }
2669
2670     choice_store[mode] = choice;
2671
2672     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2673
2674     return;
2675   }
2676   else if (button == MB_MENU_LEAVE)
2677   {
2678     PlaySound(SND_MENU_ITEM_SELECTING);
2679
2680     for (i = 0; i < max_page_entries; i++)
2681     {
2682       if (menu_info[i].type & TYPE_LEAVE_MENU)
2683       {
2684         void (*menu_callback_function)(void) = menu_info[i].value;
2685
2686         FadeSetLeaveMenu();
2687
2688         menu_callback_function();
2689
2690         break;  // absolutely needed because function changes 'menu_info'!
2691       }
2692     }
2693
2694     return;
2695   }
2696
2697   if (mx || my)         // mouse input
2698   {
2699     x = (mx - mSX) / 32;
2700     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2701   }
2702   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2703   {
2704     // move cursor instead of scrolling when already at start/end of list
2705     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2706       dy = -1;
2707     else if (dy == +1 * SCROLL_LINE &&
2708              first_entry + num_page_entries == max_page_entries)
2709       dy = 1;
2710
2711     // handle scrolling screen one line or page
2712     if (y + dy < 0 ||
2713         y + dy > num_page_entries - 1)
2714     {
2715       boolean redraw = FALSE;
2716
2717       if (ABS(dy) == SCROLL_PAGE)
2718         step = num_page_entries - 1;
2719
2720       if (dy < 0 && first_entry > 0)
2721       {
2722         // scroll page/line up
2723
2724         first_entry -= step;
2725         if (first_entry < 0)
2726           first_entry = 0;
2727
2728         redraw = TRUE;
2729       }
2730       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2731       {
2732         // scroll page/line down
2733
2734         first_entry += step;
2735         if (first_entry + num_page_entries > max_page_entries)
2736           first_entry = MAX(0, max_page_entries - num_page_entries);
2737
2738         redraw = TRUE;
2739       }
2740
2741       if (redraw)
2742       {
2743         choice += first_entry - first_entry_store[mode];
2744
2745         if (choice < first_entry)
2746         {
2747           choice = first_entry;
2748
2749           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2750             choice++;
2751         }
2752         else if (choice > first_entry + num_page_entries - 1)
2753         {
2754           choice = first_entry + num_page_entries - 1;
2755
2756           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2757             choice--;
2758         }
2759         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2760         {
2761           choice += SIGN(dy);
2762
2763           if (choice < first_entry ||
2764               choice > first_entry + num_page_entries - 1)
2765           first_entry += SIGN(dy);
2766         }
2767
2768         first_entry_store[mode] = first_entry;
2769         choice_store[mode] = choice;
2770
2771         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2772
2773         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2774
2775         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2776                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2777       }
2778
2779       return;
2780     }
2781
2782     if (dx)
2783     {
2784       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2785
2786       if (menu_info[choice].type & menu_navigation_type ||
2787           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2788           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2789           menu_info[choice].type & TYPE_PLAYER)
2790         button = MB_MENU_CHOICE;
2791     }
2792     else if (dy)
2793       y += dy;
2794
2795     // jump to next non-empty menu entry (up or down)
2796     while (first_entry + y > 0 &&
2797            first_entry + y < max_page_entries - 1 &&
2798            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2799       y += dy;
2800
2801     if (!IN_VIS_MENU(x, y))
2802     {
2803       choice += y - y_old;
2804
2805       if (choice < first_entry)
2806         first_entry = choice;
2807       else if (choice > first_entry + num_page_entries - 1)
2808         first_entry = choice - num_page_entries + 1;
2809
2810       if (first_entry >= 0 &&
2811           first_entry + num_page_entries <= max_page_entries)
2812       {
2813         first_entry_store[mode] = first_entry;
2814
2815         if (choice < first_entry)
2816           choice = first_entry;
2817         else if (choice > first_entry + num_page_entries - 1)
2818           choice = first_entry + num_page_entries - 1;
2819
2820         choice_store[mode] = choice;
2821
2822         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2823
2824         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2825
2826         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2827                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2828       }
2829
2830       return;
2831     }
2832   }
2833
2834   if (!anyScrollbarGadgetActive() &&
2835       IN_VIS_MENU(x, y) &&
2836       mx < mx_right_border &&
2837       y >= 0 && y < num_page_entries)
2838   {
2839     if (button)
2840     {
2841       if (first_entry + y != choice &&
2842           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2843       {
2844         PlaySound(SND_MENU_ITEM_ACTIVATING);
2845
2846         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2847         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2848
2849         choice = choice_store[mode] = first_entry + y;
2850       }
2851       else if (dx < 0)
2852       {
2853         PlaySound(SND_MENU_ITEM_SELECTING);
2854
2855         for (i = 0; menu_info[i].type != 0; i++)
2856         {
2857           if (menu_info[i].type & TYPE_LEAVE_MENU)
2858           {
2859             void (*menu_callback_function)(void) = menu_info[i].value;
2860
2861             FadeSetLeaveMenu();
2862
2863             menu_callback_function();
2864
2865             // absolutely needed because function changes 'menu_info'!
2866             break;
2867           }
2868         }
2869
2870         return;
2871       }
2872     }
2873     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2874     {
2875       PlaySound(SND_MENU_ITEM_SELECTING);
2876
2877       // when selecting key headline, execute function for key value change
2878       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2879           menu_info[first_entry + y + 1].type & TYPE_KEY)
2880         y++;
2881
2882       // when selecting string value, execute function for list selection
2883       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2884           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2885         y--;
2886
2887       // when selecting string value, execute function for text input gadget
2888       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2889           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2890         y--;
2891
2892       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2893       {
2894         void (*menu_callback_function)(void) =
2895           menu_info[first_entry + y].value;
2896
2897         FadeSetFromType(menu_info[first_entry + y].type);
2898
2899         menu_callback_function();
2900       }
2901       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2902       {
2903         void (*gadget_callback_function)(void) =
2904           menu_info[first_entry + y].value;
2905
2906         gadget_callback_function();
2907       }
2908       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2909                menu_info == setup_info)
2910       {
2911         changeSetupValue(y, first_entry + y, dx);
2912       }
2913     }
2914   }
2915 }
2916
2917 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2918 {
2919   menu_info = info_info;
2920
2921   HandleMenuScreen(mx, my, dx, dy, button,
2922                    info_mode, num_info_info, max_info_info);
2923 }
2924
2925 static int getMenuFontSpacing(int spacing_height, int font_nr)
2926 {
2927   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2928
2929   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2930           spacing_height);
2931 }
2932
2933 static int getMenuTextSpacing(int spacing_height, int font_nr)
2934 {
2935   return (getMenuFontSpacing(spacing_height, font_nr) +
2936           EXTRA_SPACING(game_status));
2937 }
2938
2939 static int getMenuTextStep(int spacing_height, int font_nr)
2940 {
2941   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2942 }
2943
2944 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2945 {
2946   int font_title = MENU_INFO_FONT_TITLE;
2947   int font_error = FONT_TEXT_2;
2948   int font_foot  = MENU_INFO_FONT_FOOT;
2949   int spacing_title = menu.headline1_spacing_info[info_mode];
2950   int ystep_title = getMenuTextStep(spacing_title, font_title);
2951   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2952   int ystart2 = ystart1 + ystep_title;
2953   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2954
2955   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2956
2957   FadeOut(REDRAW_FIELD);
2958
2959   ClearField();
2960   DrawHeadline();
2961
2962   DrawTextSCentered(ystart1, font_title, text_title);
2963   DrawTextSCentered(ystart2, font_error, text_error);
2964
2965   DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
2966
2967   FadeIn(REDRAW_FIELD);
2968 }
2969
2970 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2971 {
2972   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2973   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2974   int font_title = MENU_INFO_FONT_TITLE;
2975   int font_foot  = MENU_INFO_FONT_FOOT;
2976   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2977   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2978   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2979   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2980   int ystep = MENU_SCREEN_INFO_YSTEP;
2981   int element, action, direction;
2982   int graphic;
2983   int delay;
2984   int sync_frame;
2985   int i, j;
2986
2987   if (init)
2988   {
2989     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2990       infoscreen_step[i] = infoscreen_frame[i] = 0;
2991
2992     ClearField();
2993     DrawHeadline();
2994
2995     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2996     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
2997
2998     FrameCounter = 0;
2999   }
3000
3001   i = j = 0;
3002   while (helpanim_info[j].element != HELPANIM_LIST_END)
3003   {
3004     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
3005         i >= max_anims)
3006       break;
3007     else if (i < start)
3008     {
3009       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3010         j++;
3011
3012       j++;
3013       i++;
3014
3015       continue;
3016     }
3017
3018     j += infoscreen_step[i - start];
3019
3020     element = helpanim_info[j].element;
3021     action = helpanim_info[j].action;
3022     direction = helpanim_info[j].direction;
3023
3024     if (element < 0)
3025       element = EL_UNKNOWN;
3026
3027     if (action != -1 && direction != -1)
3028       graphic = el_act_dir2img(element, action, direction);
3029     else if (action != -1)
3030       graphic = el_act2img(element, action);
3031     else if (direction != -1)
3032       graphic = el_dir2img(element, direction);
3033     else
3034       graphic = el2img(element);
3035
3036     delay = helpanim_info[j++].delay;
3037
3038     if (delay == -1)
3039       delay = 1000000;
3040
3041     if (infoscreen_frame[i - start] == 0)
3042     {
3043       sync_frame = 0;
3044       infoscreen_frame[i - start] = delay - 1;
3045     }
3046     else
3047     {
3048       sync_frame = delay - infoscreen_frame[i - start];
3049       infoscreen_frame[i - start]--;
3050     }
3051
3052     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
3053     {
3054       if (!infoscreen_frame[i - start])
3055         infoscreen_step[i - start] = 0;
3056     }
3057     else
3058     {
3059       if (!infoscreen_frame[i - start])
3060         infoscreen_step[i - start]++;
3061       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3062         j++;
3063     }
3064
3065     j++;
3066
3067     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
3068                                TILEX, TILEY);
3069     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
3070                                  graphic, sync_frame, USE_MASKING);
3071
3072     if (init)
3073       DrawInfoScreen_HelpText(element, action, direction, i - start);
3074
3075     i++;
3076   }
3077
3078   redraw_mask |= REDRAW_FIELD;
3079
3080   FrameCounter++;
3081 }
3082
3083 static char *getHelpText(int element, int action, int direction)
3084 {
3085   char token[MAX_LINE_LEN];
3086
3087   strcpy(token, element_info[element].token_name);
3088
3089   if (action != -1)
3090     strcat(token, element_action_info[action].suffix);
3091
3092   if (direction != -1)
3093     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
3094
3095   return getHashEntry(helptext_info, token);
3096 }
3097
3098 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3099 {
3100   int font_nr = FONT_INFO_ELEMENTS;
3101   int font_width = getFontWidth(font_nr);
3102   int font_height = getFontHeight(font_nr);
3103   int yoffset = (TILEX - 2 * font_height) / 2;
3104   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3105   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
3106   int ystep = TILEY + 4;
3107   int pad_left = xstart - SX;
3108   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3109   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3110   int max_lines_per_text = 2;
3111   char *text = NULL;
3112
3113   if (action != -1 && direction != -1)          // element.action.direction
3114     text = getHelpText(element, action, direction);
3115
3116   if (text == NULL && action != -1)             // element.action
3117     text = getHelpText(element, action, -1);
3118
3119   if (text == NULL && direction != -1)          // element.direction
3120     text = getHelpText(element, -1, direction);
3121
3122   if (text == NULL)                             // base element
3123     text = getHelpText(element, -1, -1);
3124
3125   if (text == NULL)                             // not found
3126     text = "No description available";
3127
3128   if (strlen(text) <= max_chars_per_line)       // only one line of text
3129     ystart += getFontHeight(font_nr) / 2;
3130
3131   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3132                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3133                  TRUE, FALSE, FALSE);
3134 }
3135
3136 static void DrawInfoScreen_TitleScreen(void)
3137 {
3138   SetGameStatus(GAME_MODE_TITLE);
3139
3140   DrawTitleScreen();
3141 }
3142
3143 void HandleInfoScreen_TitleScreen(int dx, int dy, int button)
3144 {
3145   HandleTitleScreen(0, 0, dx, dy, button);
3146 }
3147
3148 static void DrawInfoScreen_Elements(void)
3149 {
3150   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3151
3152   FadeOut(REDRAW_FIELD);
3153
3154   LoadHelpAnimInfo();
3155   LoadHelpTextInfo();
3156
3157   HandleInfoScreen_Elements(0, 0, MB_MENU_INITIALIZE);
3158
3159   FadeIn(REDRAW_FIELD);
3160 }
3161
3162 void HandleInfoScreen_Elements(int dx, int dy, int button)
3163 {
3164   static unsigned int info_delay = 0;
3165   static int num_anims;
3166   static int num_pages;
3167   static int page;
3168   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3169   int i;
3170
3171   if (button == MB_MENU_INITIALIZE)
3172   {
3173     boolean new_element = TRUE;
3174
3175     num_anims = 0;
3176
3177     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3178     {
3179       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3180         new_element = TRUE;
3181       else if (new_element)
3182       {
3183         num_anims++;
3184         new_element = FALSE;
3185       }
3186     }
3187
3188     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3189     page = 0;
3190   }
3191
3192   if (button == MB_MENU_LEAVE)
3193   {
3194     PlaySound(SND_MENU_ITEM_SELECTING);
3195
3196     info_mode = INFO_MODE_MAIN;
3197     DrawInfoScreen();
3198
3199     return;
3200   }
3201   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3202   {
3203     if (button != MB_MENU_INITIALIZE)
3204     {
3205       PlaySound(SND_MENU_ITEM_SELECTING);
3206
3207       page += (dx < 0 ? -1 : +1);
3208     }
3209
3210     if (page < 0 || page >= num_pages)
3211     {
3212       FadeMenuSoundsAndMusic();
3213
3214       info_mode = INFO_MODE_MAIN;
3215       DrawInfoScreen();
3216
3217       return;
3218     }
3219
3220     if (button != MB_MENU_INITIALIZE)
3221       FadeSetNextScreen();
3222
3223     if (button != MB_MENU_INITIALIZE)
3224       FadeOut(REDRAW_FIELD);
3225
3226     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3227
3228     if (button != MB_MENU_INITIALIZE)
3229       FadeIn(REDRAW_FIELD);
3230   }
3231   else
3232   {
3233     if (DelayReached(&info_delay, GameFrameDelay))
3234       if (page < num_pages)
3235         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3236
3237     PlayMenuSoundIfLoop();
3238   }
3239 }
3240
3241 static void DrawInfoScreen_Music(void)
3242 {
3243   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3244
3245   FadeOut(REDRAW_FIELD);
3246
3247   ClearField();
3248   DrawHeadline();
3249
3250   LoadMusicInfo();
3251
3252   HandleInfoScreen_Music(0, 0, MB_MENU_INITIALIZE);
3253
3254   FadeIn(REDRAW_FIELD);
3255 }
3256
3257 void HandleInfoScreen_Music(int dx, int dy, int button)
3258 {
3259   static struct MusicFileInfo *list = NULL;
3260   int font_title = MENU_INFO_FONT_TITLE;
3261   int font_head  = MENU_INFO_FONT_HEAD;
3262   int font_text  = MENU_INFO_FONT_TEXT;
3263   int font_foot  = MENU_INFO_FONT_FOOT;
3264   int spacing_title = menu.headline1_spacing_info[info_mode];
3265   int spacing_head  = menu.headline2_spacing_info[info_mode];
3266   int ystep_title = getMenuTextStep(spacing_title, font_title);
3267   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3268   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3269   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3270
3271   if (button == MB_MENU_INITIALIZE)
3272   {
3273     list = music_file_info;
3274
3275     if (list == NULL)
3276     {
3277       FadeMenuSoundsAndMusic();
3278
3279       ClearField();
3280       DrawHeadline();
3281
3282       DrawTextSCentered(ystart, font_title, "No music info for this level set.");
3283       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3284
3285       return;
3286     }
3287   }
3288
3289   if (button == MB_MENU_LEAVE)
3290   {
3291     PlaySound(SND_MENU_ITEM_SELECTING);
3292
3293     FadeMenuSoundsAndMusic();
3294
3295     info_mode = INFO_MODE_MAIN;
3296     DrawInfoScreen();
3297
3298     return;
3299   }
3300   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3301   {
3302     if (button != MB_MENU_INITIALIZE)
3303     {
3304       PlaySound(SND_MENU_ITEM_SELECTING);
3305
3306       if (list != NULL)
3307         list = (dx < 0 ? list->prev : list->next);
3308     }
3309
3310     if (list == NULL)
3311     {
3312       FadeMenuSoundsAndMusic();
3313
3314       info_mode = INFO_MODE_MAIN;
3315       DrawInfoScreen();
3316
3317       return;
3318     }
3319
3320     FadeMenuSoundsAndMusic();
3321
3322     if (list != music_file_info)
3323       FadeSetNextScreen();
3324
3325     if (button != MB_MENU_INITIALIZE)
3326       FadeOut(REDRAW_FIELD);
3327
3328     ClearField();
3329     DrawHeadline();
3330
3331     if (list->is_sound)
3332     {
3333       int sound = list->music;
3334
3335       if (IS_LOOP_SOUND(sound))
3336         PlaySoundLoop(sound);
3337       else
3338         PlaySound(sound);
3339
3340       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3341     }
3342     else
3343     {
3344       int music = list->music;
3345
3346       if (IS_LOOP_MUSIC(music))
3347         PlayMusicLoop(music);
3348       else
3349         PlayMusic(music);
3350
3351       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3352     }
3353
3354     ystart += ystep_title;
3355
3356     if (!strEqual(list->title, UNKNOWN_NAME))
3357     {
3358       if (!strEqual(list->title_header, UNKNOWN_NAME))
3359       {
3360         DrawTextSCentered(ystart, font_head, list->title_header);
3361         ystart += ystep_head;
3362       }
3363
3364       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3365       ystart += ystep_head;
3366     }
3367
3368     if (!strEqual(list->artist, UNKNOWN_NAME))
3369     {
3370       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3371         DrawTextSCentered(ystart, font_head, list->artist_header);
3372       else
3373         DrawTextSCentered(ystart, font_head, "by");
3374
3375       ystart += ystep_head;
3376
3377       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3378       ystart += ystep_head;
3379     }
3380
3381     if (!strEqual(list->album, UNKNOWN_NAME))
3382     {
3383       if (!strEqual(list->album_header, UNKNOWN_NAME))
3384         DrawTextSCentered(ystart, font_head, list->album_header);
3385       else
3386         DrawTextSCentered(ystart, font_head, "from the album");
3387
3388       ystart += ystep_head;
3389
3390       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3391       ystart += ystep_head;
3392     }
3393
3394     if (!strEqual(list->year, UNKNOWN_NAME))
3395     {
3396       if (!strEqual(list->year_header, UNKNOWN_NAME))
3397         DrawTextSCentered(ystart, font_head, list->year_header);
3398       else
3399         DrawTextSCentered(ystart, font_head, "from the year");
3400
3401       ystart += ystep_head;
3402
3403       DrawTextFCentered(ystart, font_text, "%s", list->year);
3404       ystart += ystep_head;
3405     }
3406
3407     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3408
3409     if (button != MB_MENU_INITIALIZE)
3410       FadeIn(REDRAW_FIELD);
3411   }
3412
3413   if (list != NULL && list->is_sound && IS_LOOP_SOUND(list->music))
3414     PlaySoundLoop(list->music);
3415 }
3416
3417 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3418 {
3419   int font_title = MENU_INFO_FONT_TITLE;
3420   int font_text  = MENU_INFO_FONT_TEXT;
3421   int font_foot  = MENU_INFO_FONT_FOOT;
3422   int spacing_title = menu.headline1_spacing_info[info_mode];
3423   int spacing_line  = menu.line_spacing_info[info_mode];
3424   int ystep_title = getMenuTextStep(spacing_title, font_title);
3425   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3426   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3427
3428   ClearField();
3429   DrawHeadline();
3430
3431   DrawTextSCentered(ystart, font_title, "Credits:");
3432
3433   char *filename = getCreditsFilename(screen_nr, use_global_credits_screens);
3434   int width = SXSIZE;
3435   int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART1;
3436   int chars = width / getFontWidth(font_text);
3437   int lines = height / getFontHeight(font_text);
3438   int padx = (width - chars * getFontWidth(font_text)) / 2;
3439   int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3440   boolean autowrap = FALSE;
3441   boolean centered = TRUE;
3442   boolean parse_comments = TRUE;
3443
3444   DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART1 + ystep_title,
3445                filename, font_text, chars, -1, lines, line_spacing, -1,
3446                autowrap, centered, parse_comments);
3447
3448   boolean last_screen = (screen_nr == num_credits_screens - 1);
3449   char *text_foot = (last_screen ? TEXT_INFO_MENU : TEXT_NEXT_PAGE);
3450
3451   DrawTextSCentered(ybottom, font_foot, text_foot);
3452 }
3453
3454 static void DrawInfoScreen_Credits(void)
3455 {
3456   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3457
3458   FadeMenuSoundsAndMusic();
3459
3460   FadeOut(REDRAW_FIELD);
3461
3462   HandleInfoScreen_Credits(0, 0, MB_MENU_INITIALIZE);
3463
3464   FadeIn(REDRAW_FIELD);
3465 }
3466
3467 void HandleInfoScreen_Credits(int dx, int dy, int button)
3468 {
3469   static int screen_nr = 0;
3470
3471   if (button == MB_MENU_INITIALIZE)
3472   {
3473     int i;
3474
3475     // determine number of (global or level set specific) credits screens
3476     for (i = 0; i < 2; i++)
3477     {
3478       num_credits_screens = 0;
3479       use_global_credits_screens = i;
3480
3481       while (getCreditsFilename(num_credits_screens,
3482                                 use_global_credits_screens) != NULL)
3483         num_credits_screens++;
3484
3485       if (num_credits_screens > 0)
3486         break;
3487     }
3488
3489     if (num_credits_screens == 0)
3490     {
3491       int font_title = MENU_INFO_FONT_TITLE;
3492       int font_foot  = MENU_INFO_FONT_FOOT;
3493       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3494       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3495
3496       ClearField();
3497       DrawHeadline();
3498
3499       DrawTextSCentered(ystart, font_title, "No credits for this level set.");
3500       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3501
3502       return;
3503     }
3504
3505     screen_nr = 0;
3506
3507     DrawInfoScreen_CreditsScreen(screen_nr);
3508   }
3509   else if (button == MB_MENU_LEAVE)
3510   {
3511     PlaySound(SND_MENU_ITEM_SELECTING);
3512
3513     info_mode = INFO_MODE_MAIN;
3514     DrawInfoScreen();
3515
3516     return;
3517   }
3518   else if (button == MB_MENU_CHOICE || dx)
3519   {
3520     PlaySound(SND_MENU_ITEM_SELECTING);
3521
3522     screen_nr += (dx < 0 ? -1 : +1);
3523
3524     if (screen_nr < 0 || screen_nr >= num_credits_screens)
3525     {
3526       FadeMenuSoundsAndMusic();
3527
3528       info_mode = INFO_MODE_MAIN;
3529       DrawInfoScreen();
3530
3531       return;
3532     }
3533
3534     FadeSetNextScreen();
3535
3536     FadeOut(REDRAW_FIELD);
3537
3538     DrawInfoScreen_CreditsScreen(screen_nr);
3539
3540     FadeIn(REDRAW_FIELD);
3541   }
3542   else
3543   {
3544     PlayMenuSoundIfLoop();
3545   }
3546 }
3547
3548 static void DrawInfoScreen_ProgramScreen(int screen_nr)
3549 {
3550   int font_title = MENU_INFO_FONT_TITLE;
3551   int font_text  = MENU_INFO_FONT_TEXT;
3552   int font_foot  = MENU_INFO_FONT_FOOT;
3553   int spacing_title = menu.headline1_spacing_info[info_mode];
3554   int spacing_line  = menu.line_spacing_info[info_mode];
3555   int ystep_title = getMenuTextStep(spacing_title, font_title);
3556   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3557   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3558
3559   ClearField();
3560   DrawHeadline();
3561
3562   DrawTextSCentered(ystart, font_title, "Program Information:");
3563
3564   char *filename = getProgramInfoFilename(screen_nr);
3565   int width = SXSIZE;
3566   int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART1;
3567   int chars = width / getFontWidth(font_text);
3568   int lines = height / getFontHeight(font_text);
3569   int padx = (width - chars * getFontWidth(font_text)) / 2;
3570   int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3571   boolean autowrap = FALSE;
3572   boolean centered = TRUE;
3573   boolean parse_comments = TRUE;
3574
3575   DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART1 + ystep_title,
3576                filename, font_text, chars, -1, lines, line_spacing, -1,
3577                autowrap, centered, parse_comments);
3578
3579   boolean last_screen = (screen_nr == num_program_info_screens - 1);
3580   char *text_foot = (last_screen ? TEXT_INFO_MENU : TEXT_NEXT_PAGE);
3581
3582   DrawTextSCentered(ybottom, font_foot, text_foot);
3583 }
3584
3585 static void DrawInfoScreen_Program(void)
3586 {
3587   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3588
3589   FadeMenuSoundsAndMusic();
3590
3591   FadeOut(REDRAW_FIELD);
3592
3593   HandleInfoScreen_Program(0, 0, MB_MENU_INITIALIZE);
3594
3595   FadeIn(REDRAW_FIELD);
3596 }
3597
3598 void HandleInfoScreen_Program(int dx, int dy, int button)
3599 {
3600   static int screen_nr = 0;
3601
3602   if (button == MB_MENU_INITIALIZE)
3603   {
3604     // determine number of program info screens
3605     num_program_info_screens = 0;
3606
3607     while (getProgramInfoFilename(num_program_info_screens) != NULL)
3608       num_program_info_screens++;
3609
3610     if (num_program_info_screens == 0)
3611     {
3612       int font_title = MENU_INFO_FONT_TITLE;
3613       int font_foot  = MENU_INFO_FONT_FOOT;
3614       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3615       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3616
3617       ClearField();
3618       DrawHeadline();
3619
3620       DrawTextSCentered(ystart, font_title, "No program info available.");
3621       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3622
3623       return;
3624     }
3625
3626     screen_nr = 0;
3627
3628     DrawInfoScreen_ProgramScreen(screen_nr);
3629   }
3630   else if (button == MB_MENU_LEAVE)
3631   {
3632     PlaySound(SND_MENU_ITEM_SELECTING);
3633
3634     info_mode = INFO_MODE_MAIN;
3635     DrawInfoScreen();
3636
3637     return;
3638   }
3639   else if (button == MB_MENU_CHOICE || dx)
3640   {
3641     PlaySound(SND_MENU_ITEM_SELECTING);
3642
3643     screen_nr += (dx < 0 ? -1 : +1);
3644
3645     if (screen_nr < 0 || screen_nr >= num_program_info_screens)
3646     {
3647       FadeMenuSoundsAndMusic();
3648
3649       info_mode = INFO_MODE_MAIN;
3650       DrawInfoScreen();
3651
3652       return;
3653     }
3654
3655     FadeSetNextScreen();
3656
3657     FadeOut(REDRAW_FIELD);
3658
3659     DrawInfoScreen_ProgramScreen(screen_nr);
3660
3661     FadeIn(REDRAW_FIELD);
3662   }
3663   else
3664   {
3665     PlayMenuSoundIfLoop();
3666   }
3667 }
3668
3669 static void DrawInfoScreen_Version(void)
3670 {
3671   int font_title = MENU_INFO_FONT_TITLE;
3672   int font_head  = MENU_INFO_FONT_HEAD;
3673   int font_text  = MENU_INFO_FONT_TEXT;
3674   int font_foot  = MENU_INFO_FONT_FOOT;
3675   int spacing_title = menu.headline1_spacing_info[info_mode];
3676   int spacing_head  = menu.headline2_spacing_info[info_mode];
3677   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3678   int spacing_line  = menu.line_spacing_info[info_mode];
3679   int xstep = getFontWidth(font_text);
3680   int ystep_title = getMenuTextStep(spacing_title, font_title);
3681   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3682   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3683   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3684   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3685   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3686   int xstart1 = mSX - SX + 2 * xstep;
3687   int xstart2 = mSX - SX + 18 * xstep;
3688   int xstart3 = mSX - SX + 28 * xstep;
3689   SDL_version sdl_version_compiled;
3690   const SDL_version *sdl_version_linked;
3691   int driver_name_len = 10;
3692   SDL_version sdl_version_linked_ext;
3693   const char *driver_name = NULL;
3694
3695   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3696
3697   FadeOut(REDRAW_FIELD);
3698
3699   ClearField();
3700   DrawHeadline();
3701
3702   DrawTextSCentered(ystart, font_title, "Version Information:");
3703   ystart += ystep_title;
3704
3705   DrawTextF(xstart1, ystart, font_head, "Name");
3706   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3707   ystart += ystep_line;
3708
3709   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3710   {
3711     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3712     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3713     ystart += ystep_line;
3714
3715     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3716     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3717     ystart += ystep_line;
3718   }
3719   else
3720   {
3721     DrawTextF(xstart1, ystart, font_head, "Version");
3722     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3723     ystart += ystep_line;
3724   }
3725
3726   DrawTextF(xstart1, ystart, font_head, "Platform");
3727   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3728             PLATFORM_STRING,
3729             PLATFORM_XX_BIT_STRING);
3730   ystart += ystep_line;
3731
3732   DrawTextF(xstart1, ystart, font_head, "Target");
3733   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3734   ystart += ystep_line;
3735
3736   DrawTextF(xstart1, ystart, font_head, "Source date");
3737   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3738   ystart += ystep_line;
3739
3740   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3741   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3742   ystart += ystep_para;
3743
3744   DrawTextF(xstart1, ystart, font_head, "Library");
3745   DrawTextF(xstart2, ystart, font_head, "compiled");
3746   DrawTextF(xstart3, ystart, font_head, "linked");
3747   ystart += ystep_head;
3748
3749   SDL_VERSION(&sdl_version_compiled);
3750   SDL_GetVersion(&sdl_version_linked_ext);
3751   sdl_version_linked = &sdl_version_linked_ext;
3752
3753   DrawTextF(xstart1, ystart, font_text, "SDL");
3754   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3755             sdl_version_compiled.major,
3756             sdl_version_compiled.minor,
3757             sdl_version_compiled.patch);
3758   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3759             sdl_version_linked->major,
3760             sdl_version_linked->minor,
3761             sdl_version_linked->patch);
3762   ystart += ystep_line;
3763
3764   SDL_IMAGE_VERSION(&sdl_version_compiled);
3765   sdl_version_linked = IMG_Linked_Version();
3766
3767   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3768   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3769             sdl_version_compiled.major,
3770             sdl_version_compiled.minor,
3771             sdl_version_compiled.patch);
3772   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3773             sdl_version_linked->major,
3774             sdl_version_linked->minor,
3775             sdl_version_linked->patch);
3776   ystart += ystep_line;
3777
3778   SDL_MIXER_VERSION(&sdl_version_compiled);
3779   sdl_version_linked = Mix_Linked_Version();
3780
3781   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3782   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3783             sdl_version_compiled.major,
3784             sdl_version_compiled.minor,
3785             sdl_version_compiled.patch);
3786   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3787             sdl_version_linked->major,
3788             sdl_version_linked->minor,
3789             sdl_version_linked->patch);
3790   ystart += ystep_line;
3791
3792   SDL_NET_VERSION(&sdl_version_compiled);
3793   sdl_version_linked = SDLNet_Linked_Version();
3794
3795   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3796   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3797             sdl_version_compiled.major,
3798             sdl_version_compiled.minor,
3799             sdl_version_compiled.patch);
3800   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3801             sdl_version_linked->major,
3802             sdl_version_linked->minor,
3803             sdl_version_linked->patch);
3804   ystart += ystep_para;
3805
3806   DrawTextF(xstart1, ystart, font_head, "Driver");
3807   DrawTextF(xstart2, ystart, font_head, "Requested");
3808   DrawTextF(xstart3, ystart, font_head, "Used");
3809   ystart += ystep_head;
3810
3811   driver_name =
3812     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3813
3814   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3815   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3816   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3817   ystart += ystep_line;
3818
3819   driver_name =
3820     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3821
3822   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3823   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3824   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3825   ystart += ystep_line;
3826
3827   driver_name =
3828     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3829
3830   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3831   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3832   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3833
3834   DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3835
3836   FadeIn(REDRAW_FIELD);
3837 }
3838
3839 void HandleInfoScreen_Version(int button)
3840 {
3841   if (button == MB_MENU_LEAVE)
3842   {
3843     PlaySound(SND_MENU_ITEM_SELECTING);
3844
3845     info_mode = INFO_MODE_MAIN;
3846     DrawInfoScreen();
3847
3848     return;
3849   }
3850   else if (button == MB_MENU_CHOICE)
3851   {
3852     PlaySound(SND_MENU_ITEM_SELECTING);
3853
3854     FadeMenuSoundsAndMusic();
3855
3856     info_mode = INFO_MODE_MAIN;
3857     DrawInfoScreen();
3858   }
3859   else
3860   {
3861     PlayMenuSoundIfLoop();
3862   }
3863 }
3864
3865 static void DrawInfoScreen_LevelSet(void)
3866 {
3867   struct TitleMessageInfo *tmi = &readme;
3868   char *filename = getLevelSetInfoFilename();
3869   char *title = "Level Set Information:";
3870   int font_foot = MENU_INFO_FONT_FOOT;
3871   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3872   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3873
3874   if (filename == NULL)
3875   {
3876     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3877
3878     return;
3879   }
3880
3881   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3882
3883   FadeOut(REDRAW_FIELD);
3884
3885   ClearField();
3886   DrawHeadline();
3887
3888   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3889
3890   // if x position set to "-1", automatically determine by playfield width
3891   if (tmi->x == -1)
3892     tmi->x = SXSIZE / 2;
3893
3894   // if y position set to "-1", use static default value
3895   if (tmi->y == -1)
3896     tmi->y = 150;
3897
3898   // if width set to "-1", automatically determine by playfield width
3899   if (tmi->width == -1)
3900     tmi->width = SXSIZE - 2 * TILEX;
3901
3902   // if height set to "-1", automatically determine by playfield height
3903   if (tmi->height == -1)
3904     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3905
3906   // if chars set to "-1", automatically determine by text and font width
3907   if (tmi->chars == -1)
3908     tmi->chars = tmi->width / getFontWidth(tmi->font);
3909   else
3910     tmi->width = tmi->chars * getFontWidth(tmi->font);
3911
3912   // if lines set to "-1", automatically determine by text and font height
3913   if (tmi->lines == -1)
3914     tmi->lines = tmi->height / getFontHeight(tmi->font);
3915   else
3916     tmi->height = tmi->lines * getFontHeight(tmi->font);
3917
3918   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3919                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3920                tmi->autowrap, tmi->centered, tmi->parse_comments);
3921
3922   DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3923
3924   FadeIn(REDRAW_FIELD);
3925 }
3926
3927 static void HandleInfoScreen_LevelSet(int button)
3928 {
3929   if (button == MB_MENU_LEAVE)
3930   {
3931     PlaySound(SND_MENU_ITEM_SELECTING);
3932
3933     info_mode = INFO_MODE_MAIN;
3934     DrawInfoScreen();
3935
3936     return;
3937   }
3938   else if (button == MB_MENU_CHOICE)
3939   {
3940     PlaySound(SND_MENU_ITEM_SELECTING);
3941
3942     FadeMenuSoundsAndMusic();
3943
3944     info_mode = INFO_MODE_MAIN;
3945     DrawInfoScreen();
3946   }
3947   else
3948   {
3949     PlayMenuSoundIfLoop();
3950   }
3951 }
3952
3953 static void DrawInfoScreen(void)
3954 {
3955   if (info_mode == INFO_MODE_TITLE)
3956     DrawInfoScreen_TitleScreen();
3957   else if (info_mode == INFO_MODE_ELEMENTS)
3958     DrawInfoScreen_Elements();
3959   else if (info_mode == INFO_MODE_MUSIC)
3960     DrawInfoScreen_Music();
3961   else if (info_mode == INFO_MODE_CREDITS)
3962     DrawInfoScreen_Credits();
3963   else if (info_mode == INFO_MODE_PROGRAM)
3964     DrawInfoScreen_Program();
3965   else if (info_mode == INFO_MODE_VERSION)
3966     DrawInfoScreen_Version();
3967   else if (info_mode == INFO_MODE_LEVELSET)
3968     DrawInfoScreen_LevelSet();
3969   else
3970     DrawInfoScreen_Main();
3971
3972   if (info_mode != INFO_MODE_MAIN &&
3973       info_mode != INFO_MODE_TITLE &&
3974       info_mode != INFO_MODE_MUSIC)
3975     PlayMenuSoundsAndMusic();
3976 }
3977
3978 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3979 {
3980   if (info_mode == INFO_MODE_TITLE)
3981     HandleInfoScreen_TitleScreen(dx, dy, button);
3982   else if (info_mode == INFO_MODE_ELEMENTS)
3983     HandleInfoScreen_Elements(dx, dy, button);
3984   else if (info_mode == INFO_MODE_MUSIC)
3985     HandleInfoScreen_Music(dx, dy, button);
3986   else if (info_mode == INFO_MODE_CREDITS)
3987     HandleInfoScreen_Credits(dx, dy, button);
3988   else if (info_mode == INFO_MODE_PROGRAM)
3989     HandleInfoScreen_Program(dx, dy, button);
3990   else if (info_mode == INFO_MODE_VERSION)
3991     HandleInfoScreen_Version(button);
3992   else if (info_mode == INFO_MODE_LEVELSET)
3993     HandleInfoScreen_LevelSet(button);
3994   else
3995     HandleInfoScreen_Main(mx, my, dx, dy, button);
3996 }
3997
3998
3999 // ============================================================================
4000 // type name functions
4001 // ============================================================================
4002
4003 static TreeInfo *type_name_node = NULL;
4004 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4005 static int type_name_nr = 0;
4006
4007 static int getPlayerNameColor(char *name)
4008 {
4009   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4010 }
4011
4012 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4013                              boolean active)
4014 {
4015   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4016   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4017   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4018   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4019   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4020   int font_width = getFontWidth(font_nr);
4021   int font_xoffset = getFontDrawOffsetX(font_nr);
4022   int font_yoffset = getFontDrawOffsetY(font_nr);
4023   int font_sx = sx + font_xoffset;
4024   int font_sy = sy + font_yoffset;
4025
4026   DrawBackgroundForFont(font_sx, font_sy, pos->width, pos->height, font_nr);
4027
4028   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4029
4030   pos->width = strlen(text) * font_width;
4031   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4032
4033   DrawText(sx, sy, text, font_nr);
4034 }
4035
4036 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4037 {
4038   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4039
4040   *pos = *mci->pos_input;
4041
4042   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4043   {
4044     TreeInfo *ti = player_name_current;
4045     int first_entry = ti->cl_first;
4046     int entry_pos = first_entry + ti->cl_cursor;
4047     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4048     int xpos = MENU_SCREEN_START_XPOS;
4049     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4050
4051     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4052     type_name_nr = entry_pos;
4053
4054     strcpy(name, type_name_node->name);
4055
4056     pos->x = xpos * 32;
4057     pos->y = ypos * 32;
4058     pos->width = MAX_PLAYER_NAME_LEN * 32;
4059   }
4060   else
4061   {
4062     type_name_nr = user.nr;
4063
4064     strcpy(name, setup.player_name);
4065   }
4066
4067   strcpy(type_name_last, name);
4068
4069   if (strEqual(name, EMPTY_PLAYER_NAME))
4070     strcpy(name, "");
4071
4072   *xpos = strlen(name);
4073 }
4074
4075 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4076 {
4077   // change name of edited user in global list of user names
4078   setString(&global.user_names[type_name_nr], name);
4079
4080   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4081   {
4082     TreeInfo *node = type_name_node;
4083
4084     // change name of edited user in local menu tree structure
4085     setString(&node->name, name);
4086     setString(&node->name_sorting, name);
4087
4088     node->color = getPlayerNameColor(name);
4089     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4090   }
4091 }
4092
4093 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4094                               boolean changed)
4095 {
4096   boolean reset_setup = strEqual(name, "");
4097   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4098   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4099
4100   if (!changed)
4101     strcpy(name, type_name_last);
4102
4103   if (strEqual(name, ""))
4104     strcpy(name, EMPTY_PLAYER_NAME);
4105
4106   setTypeNameValues_Name(name, pos);
4107
4108   // if player name not changed, no further action required
4109   if (strEqual(name, type_name_last))
4110     return;
4111
4112   // redraw player name before (possibly) opening request dialogs
4113   drawTypeNameText(name, pos, FALSE);
4114
4115   int last_user_nr = user.nr;
4116
4117   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4118   {
4119     // save setup of currently active user (may differ from edited user)
4120     SaveSetup();
4121
4122     // temporarily change active user to edited user
4123     user.nr = type_name_nr;
4124
4125     if (create_user &&
4126         Request("Use current setup values for the new player?", REQ_ASK))
4127     {
4128       // use current setup values for new user, but create new player UUID
4129       setup.player_uuid = getStringCopy(getUUID());
4130     }
4131     else
4132     {
4133       // load setup for existing user (or start with defaults for new user)
4134       LoadSetup();
4135     }
4136   }
4137
4138   char *setup_filename = getSetupFilename();
4139   boolean setup_exists = fileExists(setup_filename);
4140
4141   // change name of edited user in setup structure
4142   strcpy(setup.player_name, name);
4143
4144   // save setup of edited user
4145   SaveSetup();
4146
4147   // change name of edited user on score server
4148   ApiRenamePlayerAsThread();
4149
4150   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4151   {
4152     if (reset_setup)
4153     {
4154       if (Request("Reset setup values for this player?", REQ_ASK))
4155       {
4156         // remove setup config file
4157         unlink(setup_filename);
4158
4159         // set player name to default player name
4160         LoadSetup();
4161
4162         // update player name used by name typing functions
4163         strcpy(name, setup.player_name);
4164
4165         setTypeNameValues_Name(name, pos);
4166       }
4167     }
4168     else if (remove_user && type_name_nr != 0)
4169     {
4170       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4171       {
4172         char *user_dir = getUserGameDataDir();
4173         char *user_dir_removed =
4174           getStringCat3WithSeparator(user_dir, "REMOVED",
4175                                      getCurrentTimestamp(), ".");
4176
4177         if (rename(user_dir, user_dir_removed) != 0)
4178           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4179
4180         checked_free(user_dir_removed);
4181       }
4182     }
4183     else if (create_user && type_name_nr != 0 && !setup_exists)
4184     {
4185       if (Request("Create empty level set for the new player?", REQ_ASK))
4186       {
4187         char *levelset_subdir = getNewUserLevelSubdir();
4188
4189         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4190         {
4191           AddUserLevelSetToLevelInfo(levelset_subdir);
4192
4193           LevelDirTree *leveldir_current_last = leveldir_current;
4194
4195           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4196                                                        levelset_subdir);
4197
4198           // set level number of newly created level set to default value
4199           LoadLevelSetup_SeriesInfo();
4200
4201           // set newly created level set as current level set for new user
4202           SaveLevelSetup_LastSeries();
4203           SaveLevelSetup_SeriesInfo();
4204
4205           leveldir_current = leveldir_current_last;
4206         }
4207         else
4208         {
4209           Request("Creating new level set failed!", REQ_CONFIRM);
4210         }
4211       }
4212     }
4213
4214     // restore currently active user
4215     user.nr = last_user_nr;
4216
4217     // restore setup of currently active user
4218     LoadSetup();
4219
4220     // restore last level set of currently active user
4221     LoadLevelSetup_LastSeries();
4222     LoadLevelSetup_SeriesInfo();
4223   }
4224 }
4225
4226 static void HandleTypeNameExt(boolean initialize, Key key)
4227 {
4228   static struct TextPosInfo pos_name = { 0 };
4229   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4230   static int xpos = 0;
4231   struct TextPosInfo *pos = &pos_name;
4232   char key_char = getValidConfigValueChar(getCharFromKey(key));
4233   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4234   boolean active = TRUE;
4235
4236   if (initialize)
4237   {
4238     getTypeNameValues(name, pos, &xpos);
4239
4240     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4241     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4242
4243     StartTextInput(sx, sy, pos->width, pos->height);
4244   }
4245   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4246   {
4247     name[xpos] = key_char;
4248     name[xpos + 1] = 0;
4249
4250     xpos++;
4251   }
4252   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4253   {
4254     xpos--;
4255
4256     name[xpos] = 0;
4257   }
4258   else if (key == KSYM_Return || key == KSYM_Escape)
4259   {
4260     boolean changed = (key == KSYM_Return);
4261
4262     StopTextInput();
4263
4264     setTypeNameValues(name, pos, changed);
4265
4266     active = FALSE;
4267   }
4268
4269   drawTypeNameText(name, pos, active);
4270
4271   if (!active)
4272   {
4273     SetGameStatus(game_status_last_screen);
4274
4275     if (game_status == GAME_MODE_MAIN)
4276       InitializeMainControls();
4277   }
4278 }
4279
4280 static void DrawTypeName(void)
4281 {
4282   HandleTypeNameExt(TRUE, 0);
4283 }
4284
4285 void HandleTypeName(Key key)
4286 {
4287   HandleTypeNameExt(FALSE, key);
4288 }
4289
4290
4291 // ============================================================================
4292 // tree menu functions
4293 // ============================================================================
4294
4295 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4296 {
4297   if (game_status != GAME_MODE_SETUP ||
4298       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4299     return 0;
4300
4301   int max_text_size = 0;
4302   TreeInfo *node;
4303
4304   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4305     max_text_size = MAX(max_text_size, strlen(node->name));
4306
4307   int num_entries = numTreeInfoInGroup(ti);
4308   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4309   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4310   int text_width = max_text_size * getFontWidth(font_nr);
4311   int button_width = SC_MENUBUTTON_XSIZE;
4312   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4313   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4314   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4315   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4316   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4317   int align_xoffset = MAX(0, align_xoffset_raw);
4318
4319   return align_xoffset;
4320 }
4321
4322 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4323 {
4324   if (game_status != GAME_MODE_SETUP ||
4325       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4326     return 0;
4327
4328   int num_entries = numTreeInfoInGroup(ti);
4329   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4330   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4331   int font_height = getFontHeight(font_nr);
4332   int text_height = font_height * num_page_entries;
4333   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4334   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4335   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4336   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4337   int align_yoffset = MAX(0, align_yoffset_raw);
4338
4339   return align_yoffset;
4340 }
4341
4342 static void StartPlayingFromHallOfFame(void)
4343 {
4344   level_nr = scores.next_level_nr;
4345   LoadLevel(level_nr);
4346
4347   StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4348 }
4349
4350 static void DrawChooseTree(TreeInfo **ti_ptr)
4351 {
4352   int fade_mask = REDRAW_FIELD;
4353   boolean restart_music = (game_status != game_status_last_screen &&
4354                            game_status_last_screen != GAME_MODE_SCOREINFO);
4355
4356   scores.continue_on_return = (game_status == GAME_MODE_SCORES &&
4357                                game_status_last_screen == GAME_MODE_PLAYING);
4358
4359   if (CheckFadeAll())
4360     fade_mask = REDRAW_ALL;
4361
4362   if (*ti_ptr != NULL && strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4363   {
4364     if (game_status == GAME_MODE_SETUP)
4365     {
4366       execSetupArtwork();
4367     }
4368     else if (game_status == GAME_MODE_SCORES && scores.continue_playing)
4369     {
4370       StartPlayingFromHallOfFame();
4371     }
4372     else
4373     {
4374       SetGameStatus(GAME_MODE_MAIN);
4375
4376       DrawMainMenu();
4377     }
4378
4379     return;
4380   }
4381
4382   UnmapAllGadgets();
4383
4384   FreeScreenGadgets();
4385   CreateScreenGadgets();
4386
4387   if (restart_music)
4388     FadeMenuSoundsAndMusic();
4389
4390   FadeOut(fade_mask);
4391
4392   // needed if different viewport properties defined for this screen
4393   ChangeViewportPropertiesIfNeeded();
4394
4395   if (game_status == GAME_MODE_NAMES)
4396     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4397   else if (game_status == GAME_MODE_LEVELNR)
4398     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4399   else if (game_status == GAME_MODE_LEVELS)
4400     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4401   else if (game_status == GAME_MODE_SCORES)
4402     SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4403
4404   ClearField();
4405
4406   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4407
4408   // map gadgets for high score screen
4409   if (game_status == GAME_MODE_SCORES)
4410     MapScreenMenuGadgets(SCREEN_MASK_SCORES);
4411
4412   MapScreenTreeGadgets(*ti_ptr);
4413
4414   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4415
4416   DrawMaskedBorder(fade_mask);
4417
4418   if (restart_music)
4419     PlayMenuSoundsAndMusic();
4420
4421   FadeIn(fade_mask);
4422 }
4423
4424 static int getChooseTreeFont(TreeInfo *node, boolean active)
4425 {
4426   if (game_status == GAME_MODE_SCORES)
4427     return (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4428   else
4429     return MENU_CHOOSE_TREE_FONT(MENU_CHOOSE_TREE_COLOR(node, active));
4430 }
4431
4432 static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
4433 {
4434   int num_entries = numTreeInfoInGroup(ti);
4435   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4436   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4437   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4438   int first_entry = ti->cl_first;
4439   int entry_pos = first_entry + y;
4440   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4441   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4442   int font_nr = getChooseTreeFont(node, active);
4443   int font_xoffset = getFontDrawOffsetX(font_nr);
4444   int xpos = MENU_SCREEN_START_XPOS;
4445   int ypos = MENU_SCREEN_START_YPOS + y;
4446   int startdx = xpos * 32;
4447   int startdy = ypos * 32;
4448   int startx = amSX + startdx;
4449   int starty = amSY + startdy;
4450   int startx_text = startx + font_xoffset;
4451   int endx_text = amSX + screen_width;
4452   int max_text_size = endx_text - startx_text;
4453   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4454   char buffer[max_buffer_len + 1];
4455
4456   if (game_status == GAME_MODE_SCORES && !node->parent_link)
4457   {
4458     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4459     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4460     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4461     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4462     int font_size_1 = getFontWidth(font_nr1);
4463     int font_size_3 = getFontWidth(font_nr3);
4464     int font_size_4 = getFontWidth(font_nr4);
4465     int text_size_1 = 4 * font_size_1;
4466     int text_size_4 = 5 * font_size_4;
4467     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
4468     int dx1 = 0;
4469     int dx3 = text_size_1;
4470     int dx4 = SXSIZE - 2 * startdx - 2 * border - text_size_4;
4471     int num_dots = (dx4 - dx3) / font_size_3;
4472     int startx1 = startx + dx1;
4473     int startx3 = startx + dx3;
4474     int startx4 = startx + dx4;
4475     int pos = node->pos;
4476     char *pos_text = getHallOfFameRankText(pos, 3);
4477     int i;
4478
4479     DrawText(startx1, starty, pos_text, font_nr1);
4480
4481     for (i = 0; i < num_dots; i++)
4482       DrawText(startx3 + i * font_size_3, starty, ".", font_nr3);
4483
4484     if (!strEqual(scores.entry[pos].name, EMPTY_PLAYER_NAME))
4485       DrawText(startx3, starty, scores.entry[pos].name, font_nr2);
4486
4487     DrawText(startx4, starty, getHallOfFameScoreText(pos, 5), font_nr4);
4488   }
4489   else
4490   {
4491     strncpy(buffer, node->name, max_buffer_len);
4492     buffer[max_buffer_len] = '\0';
4493
4494     DrawText(startx, starty, buffer, font_nr);
4495   }
4496 }
4497
4498 static void drawChooseTreeHeadExt(int type, char *title_string)
4499 {
4500   int yoffset_sets = MENU_TITLE1_YPOS;
4501   int yoffset_setup = 16;
4502   int yoffset = (type == TREE_TYPE_SCORE_ENTRY ||
4503                  type == TREE_TYPE_LEVEL_DIR ||
4504                  type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4505
4506   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4507 }
4508
4509 static void drawChooseTreeHead(TreeInfo *ti)
4510 {
4511   drawChooseTreeHeadExt(ti->type, ti->infotext);
4512 }
4513
4514 static void drawChooseTreeList(TreeInfo *ti)
4515 {
4516   int first_entry = ti->cl_first;
4517   int num_entries = numTreeInfoInGroup(ti);
4518   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4519   int i;
4520
4521   clearMenuListArea();
4522
4523   for (i = 0; i < num_page_entries; i++)
4524   {
4525     TreeInfo *node, *node_first;
4526     int entry_pos = first_entry + i;
4527
4528     node_first = getTreeInfoFirstGroupEntry(ti);
4529     node = getTreeInfoFromPos(node_first, entry_pos);
4530
4531     drawChooseTreeText(ti, i, FALSE);
4532
4533     if (node->parent_link)
4534       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4535     else if (node->level_group)
4536       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4537     else
4538       initCursor(i, IMG_MENU_BUTTON);
4539
4540     if (game_status == GAME_MODE_SCORES && node->pos == scores.last_added)
4541       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4542
4543     if (game_status == GAME_MODE_NAMES)
4544       drawChooseTreeEdit(i, FALSE);
4545   }
4546
4547   redraw_mask |= REDRAW_FIELD;
4548 }
4549
4550 static void drawChooseTreeInfo(TreeInfo *ti)
4551 {
4552   int entry_pos = ti->cl_first + ti->cl_cursor;
4553   int last_redraw_mask = redraw_mask;
4554   int ypos = MENU_TITLE2_YPOS;
4555   int font_nr = FONT_TITLE_2;
4556   int x;
4557
4558   if (ti->type == TREE_TYPE_LEVEL_NR)
4559     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4560
4561   if (ti->type == TREE_TYPE_SCORE_ENTRY)
4562     DrawTextFCentered(ypos, font_nr, "HighScores of Level %d",
4563                       scores.last_level_nr);
4564
4565   if (ti->type != TREE_TYPE_LEVEL_DIR)
4566     return;
4567
4568   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4569   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4570
4571   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4572
4573   if (node->parent_link)
4574     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4575                       node->node_parent->name);
4576   else if (node->level_group)
4577     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4578                       node->name);
4579   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4580     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4581                       node->levels, (node->levels > 1 ? "levels" : "level"),
4582                       node->class_desc);
4583
4584   // let BackToFront() redraw only what is needed
4585   redraw_mask = last_redraw_mask;
4586   for (x = 0; x < SCR_FIELDX; x++)
4587     MarkTileDirty(x, 1);
4588 }
4589
4590 static void drawChooseTreeCursorAndText(TreeInfo *ti, boolean active)
4591 {
4592   drawChooseTreeCursor(ti->cl_cursor, active);
4593   drawChooseTreeText(ti, ti->cl_cursor, active);
4594 }
4595
4596 static void drawChooseTreeScreen(TreeInfo *ti)
4597 {
4598   drawChooseTreeHead(ti);
4599   drawChooseTreeList(ti);
4600   drawChooseTreeInfo(ti);
4601   drawChooseTreeCursorAndText(ti, TRUE);
4602
4603   AdjustChooseTreeScrollbar(ti, SCREEN_CTRL_ID_SCROLL_VERTICAL);
4604
4605   // scroll bar and buttons may just have been added after reloading scores
4606   if (game_status == GAME_MODE_SCORES)
4607     MapScreenTreeGadgets(ti);
4608 }
4609
4610 static void drawChooseTreeScreen_Scores_NotAvailable(void)
4611 {
4612   // dirty workaround to use spacing definitions from info screen
4613   info_mode = INFO_MODE_TITLE;
4614
4615   char *text_info = "HighScores of Level %d";
4616   char *text_title = "Score information:";
4617   char *text_error = "No scores for this level.";
4618   char *text_foot = "Press any key or button for main menu";
4619   int font_info = FONT_TITLE_2;
4620   int font_title = FONT_INITIAL_3;
4621   int font_error = FONT_INITIAL_4;
4622   int font_foot  = FONT_INITIAL_2;
4623   int spacing_title = menu.headline1_spacing_info[INFO_MODE_TITLE];
4624   int ystep_title = getMenuTextStep(spacing_title, font_title);
4625   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
4626   int ystart2 = ystart1 + ystep_title;
4627   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
4628   int ystart0 = MENU_TITLE2_YPOS;
4629
4630   drawChooseTreeHeadExt(TREE_TYPE_SCORE_ENTRY, INFOTEXT_SCORE_ENTRY);
4631   DrawTextFCentered(ystart0, font_info, text_info, scores.last_level_nr);
4632
4633   DrawTextSCentered(ystart1, font_title, text_title);
4634   DrawTextSCentered(ystart2, font_error, text_error);
4635
4636   DrawTextSCentered(ybottom, font_foot, text_foot);
4637 }
4638
4639 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
4640 {
4641   int score_pos = scores.last_added;
4642
4643   if (game_status_last_screen == GAME_MODE_SCOREINFO)
4644     score_pos = scores.last_entry_nr;
4645
4646   // set current tree entry to last added score entry
4647   *ti_ptr = getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
4648
4649   // if that fails, set current tree entry to first entry (back link)
4650   if (*ti_ptr == NULL)
4651     *ti_ptr = score_entries->node_group;
4652
4653   int num_entries = numTreeInfoInGroup(*ti_ptr);
4654   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4655   int pos_score = getPosFromTreeInfo(*ti_ptr);
4656   int pos_first_raw = pos_score - (num_page_entries + 1) / 2 + 1;
4657   int pos_first = MIN(MAX(0, pos_first_raw), num_entries - num_page_entries);
4658
4659   (*ti_ptr)->cl_first = pos_first;
4660   (*ti_ptr)->cl_cursor = pos_score - pos_first;
4661
4662   return *ti_ptr;
4663 }
4664
4665 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4666                              TreeInfo **ti_ptr)
4667 {
4668   TreeInfo *ti = *ti_ptr;
4669   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4670   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4671   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4672   int sx1_edit_name = getChooseTreeEditXPosReal(POS_LEFT);
4673   int sx2_edit_name = getChooseTreeEditXPosReal(POS_RIGHT);
4674   int x = 0;
4675   int y = (ti != NULL ? ti->cl_cursor : 0);
4676   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4677   int num_entries = numTreeInfoInGroup(ti);
4678   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4679   boolean position_set_by_scrollbar = (dx == 999);
4680   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
4681   boolean button_is_valid = (mx >= 0 && my >= 0);
4682   boolean button_screen_clicked = (button_action && button_is_valid);
4683
4684   if (game_status == GAME_MODE_SCORES)
4685   {
4686     if (server_scores.updated)
4687     {
4688       // reload scores, using updated server score cache file
4689       LoadLocalAndServerScore(scores.last_level_nr, FALSE);
4690
4691       server_scores.updated = FALSE;
4692
4693       DrawHallOfFame_setScoreEntries();
4694
4695       if (score_entries != NULL)
4696       {
4697         ti = setHallOfFameActiveEntry(ti_ptr);
4698
4699         if (button != MB_MENU_INITIALIZE)
4700           drawChooseTreeScreen(ti);
4701       }
4702     }
4703
4704     if (score_entries == NULL)
4705     {
4706       if (button == MB_MENU_INITIALIZE)
4707       {
4708         drawChooseTreeScreen_Scores_NotAvailable();
4709       }
4710       else if (button_screen_clicked)
4711       {
4712         PlaySound(SND_MENU_ITEM_SELECTING);
4713
4714         SetGameStatus(GAME_MODE_MAIN);
4715
4716         DrawMainMenu();
4717       }
4718
4719       return;
4720     }
4721   }
4722
4723   if (button == MB_MENU_INITIALIZE)
4724   {
4725     int num_entries = numTreeInfoInGroup(ti);
4726     int entry_pos = getPosFromTreeInfo(ti);
4727
4728     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4729     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4730
4731     if (game_status == GAME_MODE_SCORES)
4732     {
4733       ti = setHallOfFameActiveEntry(ti_ptr);
4734     }
4735     else if (ti->cl_first == -1)
4736     {
4737       // only on initialization
4738       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4739       ti->cl_cursor = entry_pos - ti->cl_first;
4740
4741     }
4742     else if (ti->cl_cursor >= num_page_entries ||
4743              (num_entries > num_page_entries &&
4744               num_entries - ti->cl_first < num_page_entries))
4745     {
4746       // only after change of list size (by custom graphic configuration)
4747       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4748       ti->cl_cursor = entry_pos - ti->cl_first;
4749     }
4750
4751     if (position_set_by_scrollbar)
4752       ti->cl_first = dy;
4753
4754     drawChooseTreeScreen(ti);
4755
4756     return;
4757   }
4758   else if (button == MB_MENU_LEAVE)
4759   {
4760     if (game_status != GAME_MODE_SCORES)
4761       FadeSetLeaveMenu();
4762
4763     PlaySound(SND_MENU_ITEM_SELECTING);
4764
4765     if (ti->node_parent)
4766     {
4767       *ti_ptr = ti->node_parent;
4768       DrawChooseTree(ti_ptr);
4769     }
4770     else if (game_status == GAME_MODE_SETUP)
4771     {
4772       if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4773           setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4774           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4775           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4776         execSetupGame();
4777       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4778                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4779                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4780                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4781         execSetupGraphics();
4782       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4783                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4784                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4785         execSetupSound();
4786       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4787                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4788                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4789                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4790                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4791                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4792                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4793                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4794         execSetupTouch();
4795       else
4796         execSetupArtwork();
4797     }
4798     else
4799     {
4800       if (game_status == GAME_MODE_LEVELNR)
4801       {
4802         int new_level_nr = atoi(level_number_current->identifier);
4803
4804         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4805       }
4806
4807       SetGameStatus(GAME_MODE_MAIN);
4808
4809       DrawMainMenu();
4810     }
4811
4812     return;
4813   }
4814
4815 #if defined(PLATFORM_ANDROID)
4816   // directly continue when touching the screen after playing
4817   if ((mx || my) && scores.continue_on_return)
4818   {
4819     // ignore touch events until released
4820     mx = my = 0;
4821   }
4822 #endif
4823
4824   // any mouse click or cursor key stops leaving scores by "Return" key
4825   if ((mx || my || dx || dy) && scores.continue_on_return)
4826   {
4827     scores.continue_on_return = FALSE;
4828     level_nr = scores.last_level_nr;
4829     LoadLevel(level_nr);
4830   }
4831
4832   if (mx || my)         // mouse input
4833   {
4834     x = (mx - amSX) / 32;
4835     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4836
4837     if (game_status == GAME_MODE_NAMES)
4838       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4839   }
4840   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4841   {
4842     // move cursor instead of scrolling when already at start/end of list
4843     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4844       dy = -1;
4845     else if (dy == +1 * SCROLL_LINE &&
4846              ti->cl_first + num_page_entries == num_entries)
4847       dy = 1;
4848
4849     // handle scrolling screen one line or page
4850     if (ti->cl_cursor + dy < 0 ||
4851         ti->cl_cursor + dy > num_page_entries - 1)
4852     {
4853       boolean redraw = FALSE;
4854
4855       if (ABS(dy) == SCROLL_PAGE)
4856         step = num_page_entries - 1;
4857
4858       if (dy < 0 && ti->cl_first > 0)
4859       {
4860         // scroll page/line up
4861
4862         ti->cl_first -= step;
4863         if (ti->cl_first < 0)
4864           ti->cl_first = 0;
4865
4866         redraw = TRUE;
4867       }
4868       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4869       {
4870         // scroll page/line down
4871
4872         ti->cl_first += step;
4873         if (ti->cl_first + num_page_entries > num_entries)
4874           ti->cl_first = MAX(0, num_entries - num_page_entries);
4875
4876         redraw = TRUE;
4877       }
4878
4879       if (redraw)
4880         drawChooseTreeScreen(ti);
4881
4882       return;
4883     }
4884
4885     // handle moving cursor one line
4886     y = ti->cl_cursor + dy;
4887   }
4888
4889   if (game_status == GAME_MODE_SCORES && ABS(dx) == 1)
4890   {
4891     HandleHallOfFame_SelectLevel(1, dx);
4892
4893     return;
4894   }
4895   else if (dx == 1)
4896   {
4897     TreeInfo *node_first, *node_cursor;
4898     int entry_pos = ti->cl_first + y;
4899
4900     node_first = getTreeInfoFirstGroupEntry(ti);
4901     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4902
4903     if (node_cursor->node_group)
4904     {
4905       FadeSetEnterMenu();
4906
4907       PlaySound(SND_MENU_ITEM_SELECTING);
4908
4909       node_cursor->cl_first = ti->cl_first;
4910       node_cursor->cl_cursor = ti->cl_cursor;
4911
4912       *ti_ptr = node_cursor->node_group;
4913       DrawChooseTree(ti_ptr);
4914
4915       return;
4916     }
4917   }
4918   else if ((dx == -1 || button == MB_MENU_CONTINUE) && ti->node_parent)
4919   {
4920     if (game_status != GAME_MODE_SCORES)
4921       FadeSetLeaveMenu();
4922
4923     PlaySound(SND_MENU_ITEM_SELECTING);
4924
4925     *ti_ptr = ti->node_parent;
4926     DrawChooseTree(ti_ptr);
4927
4928     return;
4929   }
4930
4931   if (!anyScrollbarGadgetActive() &&
4932       IN_VIS_MENU(x, y) &&
4933       mx < mx_right_border &&
4934       y >= 0 && y < num_page_entries)
4935   {
4936     if (button)
4937     {
4938       if (game_status == GAME_MODE_NAMES)
4939       {
4940         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4941           drawChooseTreeEdit(y, TRUE);
4942       }
4943
4944       if (y != ti->cl_cursor)
4945       {
4946         PlaySound(SND_MENU_ITEM_ACTIVATING);
4947
4948         drawChooseTreeCursorAndText(ti, FALSE);
4949
4950         ti->cl_cursor = y;
4951
4952         drawChooseTreeCursorAndText(ti, TRUE);
4953
4954         drawChooseTreeInfo(ti);
4955       }
4956       else if (dx < 0)
4957       {
4958         if (game_status == GAME_MODE_SETUP)
4959         {
4960           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4961               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4962               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4963               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4964             execSetupGame();
4965           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4966                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4967                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4968                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4969             execSetupGraphics();
4970           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4971                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4972                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4973             execSetupSound();
4974           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4975                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4976                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4977                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4978                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4979                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4980                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4981                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4982             execSetupTouch();
4983           else
4984             execSetupArtwork();
4985         }
4986       }
4987     }
4988     else
4989     {
4990       TreeInfo *node_first, *node_cursor;
4991       int entry_pos = ti->cl_first + y;
4992
4993       PlaySound(SND_MENU_ITEM_SELECTING);
4994
4995       node_first = getTreeInfoFirstGroupEntry(ti);
4996       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4997
4998       if (node_cursor->node_group)
4999       {
5000         FadeSetEnterMenu();
5001
5002         node_cursor->cl_first = ti->cl_first;
5003         node_cursor->cl_cursor = ti->cl_cursor;
5004
5005         *ti_ptr = node_cursor->node_group;
5006         DrawChooseTree(ti_ptr);
5007       }
5008       else if (node_cursor->parent_link)
5009       {
5010         if (game_status != GAME_MODE_SCORES)
5011           FadeSetLeaveMenu();
5012
5013         *ti_ptr = node_cursor->node_parent;
5014         DrawChooseTree(ti_ptr);
5015       }
5016       else
5017       {
5018         if (game_status != GAME_MODE_SCORES)
5019           FadeSetEnterMenu();
5020
5021         node_cursor->cl_first = ti->cl_first;
5022         node_cursor->cl_cursor = ti->cl_cursor;
5023
5024         *ti_ptr = node_cursor;
5025
5026         if (ti->type == TREE_TYPE_LEVEL_DIR)
5027         {
5028           LoadLevelSetup_SeriesInfo();
5029
5030           SaveLevelSetup_LastSeries();
5031           SaveLevelSetup_SeriesInfo();
5032           TapeErase();
5033         }
5034
5035         if (game_status == GAME_MODE_SETUP)
5036         {
5037           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5038               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5039               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5040               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5041             execSetupGame();
5042           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5043                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5044                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5045                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5046             execSetupGraphics();
5047           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5048                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5049                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5050             execSetupSound();
5051           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5052                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5053                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5054                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5055                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5056                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5057                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5058                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5059             execSetupTouch();
5060           else
5061             execSetupArtwork();
5062         }
5063         else
5064         {
5065           if (game_status == GAME_MODE_LEVELNR)
5066           {
5067             int new_level_nr = atoi(level_number_current->identifier);
5068
5069             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5070           }
5071           else if (game_status == GAME_MODE_LEVELS)
5072           {
5073             // store level set if chosen from "last played level set" menu
5074             StoreLastPlayedLevels(leveldir_current);
5075           }
5076           else if (game_status == GAME_MODE_NAMES)
5077           {
5078             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5079             {
5080               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5081
5082               DrawTypeName();
5083
5084               return;
5085             }
5086
5087             // change active user to selected user
5088             user.nr = entry_pos;
5089
5090             // save number of new active user
5091             SaveUserSetup();
5092
5093             // load setup of new active user
5094             LoadSetup();
5095
5096             // load last level set of new active user
5097             LoadLevelSetup_LastSeries();
5098             LoadLevelSetup_SeriesInfo();
5099
5100             // update list of last played level sets
5101             UpdateLastPlayedLevels_TreeInfo();
5102
5103             TapeErase();
5104
5105             ToggleFullscreenIfNeeded();
5106             ChangeWindowScalingIfNeeded();
5107
5108             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5109             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5110             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5111           }
5112           else if (game_status == GAME_MODE_SCORES)
5113           {
5114             if (scores.continue_playing && scores.continue_on_return)
5115             {
5116               StartPlayingFromHallOfFame();
5117
5118               return;
5119             }
5120             else if (!scores.continue_on_return)
5121             {
5122               SetGameStatus(GAME_MODE_SCOREINFO);
5123
5124               DrawScoreInfo(node_cursor->pos);
5125
5126               return;
5127             }
5128           }
5129
5130           SetGameStatus(GAME_MODE_MAIN);
5131
5132           DrawMainMenu();
5133         }
5134       }
5135     }
5136   }
5137
5138   if (game_status == GAME_MODE_SCORES)
5139     PlayMenuSoundIfLoop();
5140 }
5141
5142 void DrawChoosePlayerName(void)
5143 {
5144   int i;
5145
5146   if (player_name != NULL)
5147   {
5148     freeTreeInfo(player_name);
5149
5150     player_name = NULL;
5151   }
5152
5153   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5154   {
5155     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5156     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5157     int value = i;
5158
5159     ti->node_top = &player_name;
5160     ti->sort_priority = 10000 + value;
5161     ti->color = getPlayerNameColor(global.user_names[i]);
5162
5163     snprintf(identifier, sizeof(identifier), "%d", value);
5164     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5165
5166     setString(&ti->identifier, identifier);
5167     setString(&ti->name, name);
5168     setString(&ti->name_sorting, name);
5169
5170     pushTreeInfo(&player_name, ti);
5171   }
5172
5173   // sort player entries by player number
5174   sortTreeInfo(&player_name);
5175
5176   // set current player entry to selected player entry
5177   player_name_current =
5178     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5179
5180   // if that fails, set current player name to first available name
5181   if (player_name_current == NULL)
5182     player_name_current = player_name;
5183
5184   // set text size for main name input (also used on name selection screen)
5185   InitializeMainControls();
5186
5187   DrawChooseTree(&player_name_current);
5188 }
5189
5190 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5191 {
5192   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5193 }
5194
5195 void DrawChooseLevelSet(void)
5196 {
5197   DrawChooseTree(&leveldir_current);
5198 }
5199
5200 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5201 {
5202   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5203 }
5204
5205 void DrawChooseLevelNr(void)
5206 {
5207   int i;
5208
5209   if (level_number != NULL)
5210   {
5211     freeTreeInfo(level_number);
5212
5213     level_number = NULL;
5214   }
5215
5216   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5217   {
5218     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5219     char identifier[32], name[64];
5220     int value = i;
5221
5222     // temporarily load level info to get level name
5223     LoadLevelInfoOnly(i);
5224
5225     ti->node_top = &level_number;
5226     ti->sort_priority = 10000 + value;
5227     ti->color = (level.no_level_file ? FC_BLUE :
5228                  LevelStats_getSolved(i) ? FC_GREEN :
5229                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5230
5231     snprintf(identifier, sizeof(identifier), "%d", value);
5232     snprintf(name, sizeof(name), "%03d: %s", value,
5233              (level.no_level_file ? "(no file)" : level.name));
5234
5235     setString(&ti->identifier, identifier);
5236     setString(&ti->name, name);
5237     setString(&ti->name_sorting, name);
5238
5239     pushTreeInfo(&level_number, ti);
5240   }
5241
5242   // sort level number values to start with lowest level number
5243   sortTreeInfo(&level_number);
5244
5245   // set current level number to current level number
5246   level_number_current =
5247     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5248
5249   // if that also fails, set current level number to first available level
5250   if (level_number_current == NULL)
5251     level_number_current = level_number;
5252
5253   DrawChooseTree(&level_number_current);
5254 }
5255
5256 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5257 {
5258   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5259 }
5260
5261 static void DrawHallOfFame_setScoreEntries(void)
5262 {
5263   int max_empty_entries = 10;   // at least show "top ten" list, if empty
5264   int max_visible_entries = NUM_MENU_ENTRIES_ON_SCREEN - 1;   // w/o back link
5265   int min_score_entries = MIN(max_empty_entries, max_visible_entries);
5266   int score_pos = (scores.last_added >= 0 ? scores.last_added : 0);
5267   int i;
5268
5269   if (score_entries != NULL)
5270   {
5271     freeTreeInfo(score_entries);
5272
5273     score_entries = NULL;
5274   }
5275
5276   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
5277   {
5278     // do not add empty score entries if off-screen
5279     if (scores.entry[i].score == 0 &&
5280         scores.entry[i].time == 0 &&
5281         i >= min_score_entries)
5282       break;
5283
5284     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_SCORE_ENTRY);
5285     char identifier[32], name[64];
5286     int value = i;
5287
5288     ti->node_top = &score_entries;
5289     ti->sort_priority = 10000 + value;
5290     ti->color = FC_YELLOW;
5291     ti->pos = i;
5292
5293     snprintf(identifier, sizeof(identifier), "%d", value);
5294     snprintf(name, sizeof(name), "%03d.", value + 1);
5295
5296     setString(&ti->identifier, identifier);
5297     setString(&ti->name, name);
5298     setString(&ti->name_sorting, name);
5299
5300     pushTreeInfo(&score_entries, ti);
5301   }
5302
5303   // sort score entries to start with highest score entry
5304   sortTreeInfo(&score_entries);
5305
5306   // add top tree node to create back link to main menu
5307   score_entries = addTopTreeInfoNode(score_entries);
5308
5309   // set current score entry to last added or highest score entry
5310   score_entry_current =
5311     getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5312
5313   // if that fails, set current score entry to first valid score entry
5314   if (score_entry_current == NULL)
5315     score_entry_current = getFirstValidTreeInfoEntry(score_entries);
5316
5317   if (score_entries != NULL && scores.continue_playing)
5318     setString(&score_entries->node_group->name, BACKLINK_TEXT_NEXT);
5319
5320   // ("score_entries" and "score_entry_current" may be NULL here)
5321 }
5322
5323 void DrawHallOfFame(int nr)
5324 {
5325   scores.last_level_nr = nr;
5326
5327   // (this is needed when called from GameEnd() after winning a game)
5328   KeyboardAutoRepeatOn();
5329
5330   // (this is needed when called from GameEnd() after winning a game)
5331   SetDrawDeactivationMask(REDRAW_NONE);
5332   SetDrawBackgroundMask(REDRAW_FIELD);
5333
5334   LoadLocalAndServerScore(scores.last_level_nr, TRUE);
5335
5336   DrawHallOfFame_setScoreEntries();
5337
5338   if (scores.last_added >= 0)
5339     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5340
5341   FadeSetEnterScreen();
5342
5343   DrawChooseTree(&score_entry_current);
5344 }
5345
5346 static char *getHallOfFameRankText(int nr, int size)
5347 {
5348   static char rank_text[10];
5349   boolean forced = (scores.force_last_added && nr == scores.last_added);
5350   char *rank_text_raw = (forced ? "???" : int2str(nr + 1, size));
5351
5352   sprintf(rank_text, "%s%s", rank_text_raw, (size > 0 || !forced ? "." : ""));
5353
5354   return rank_text;
5355 }
5356
5357 static char *getHallOfFameTimeText(int nr)
5358 {
5359   static char score_text[10];
5360   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5361   int mm = (time_seconds / 60) % 60;
5362   int ss = (time_seconds % 60);
5363
5364   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5365
5366   return score_text;
5367 }
5368
5369 static char *getHallOfFameScoreText(int nr, int size)
5370 {
5371   if (!level.rate_time_over_score)
5372     return int2str(scores.entry[nr].score, size);       // show normal score
5373   else if (level.use_step_counter)
5374     return int2str(scores.entry[nr].time, size);        // show number of steps
5375   else
5376     return getHallOfFameTimeText(nr);                   // show playing time
5377 }
5378
5379 static char *getHallOfFameTapeDateText(struct ScoreEntry *entry)
5380 {
5381   static char tape_date[MAX_ISO_DATE_LEN + 1];
5382   int i, j;
5383
5384   if (!strEqual(entry->tape_date, UNKNOWN_NAME) ||
5385       strEqual(entry->tape_basename, UNDEFINED_FILENAME))
5386     return entry->tape_date;
5387
5388   for (i = 0, j = 0; i < 8; i++, j++)
5389   {
5390     tape_date[j] = entry->tape_basename[i];
5391
5392     if (i == 3 || i == 5)
5393       tape_date[++j] = '-';
5394   }
5395
5396   tape_date[MAX_ISO_DATE_LEN] = '\0';
5397
5398   return tape_date;
5399 }
5400
5401 static void HandleHallOfFame_SelectLevel(int step, int direction)
5402 {
5403   int old_level_nr = scores.last_level_nr;
5404   int new_level_nr = old_level_nr + step * direction;
5405
5406   if (new_level_nr < leveldir_current->first_level)
5407     new_level_nr = leveldir_current->first_level;
5408   if (new_level_nr > leveldir_current->last_level)
5409     new_level_nr = leveldir_current->last_level;
5410
5411   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
5412     new_level_nr = leveldir_current->handicap_level;
5413
5414   if (new_level_nr != old_level_nr)
5415   {
5416     PlaySound(SND_MENU_ITEM_SELECTING);
5417
5418     scores.last_level_nr = level_nr = new_level_nr;
5419     scores.last_entry_nr = 0;
5420
5421     LoadLevel(level_nr);
5422     LoadLocalAndServerScore(level_nr, TRUE);
5423
5424     DrawHallOfFame_setScoreEntries();
5425
5426     if (game_status == GAME_MODE_SCORES)
5427     {
5428       // force remapping optional gadgets (especially scroll bar)
5429       UnmapScreenTreeGadgets();
5430
5431       // redraw complete high score screen, as sub-title has changed
5432       ClearField();
5433
5434       // redraw level selection buttons (which have just been erased)
5435       RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5436
5437       HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, &score_entry_current);
5438     }
5439     else
5440     {
5441       DrawScoreInfo_Content(scores.last_entry_nr);
5442     }
5443
5444     SaveLevelSetup_SeriesInfo();
5445   }
5446 }
5447
5448 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5449 {
5450   HandleChooseTree(mx, my, dx, dy, button, &score_entry_current);
5451 }
5452
5453 static void DrawScoreInfo_Content(int entry_nr)
5454 {
5455   struct ScoreEntry *entry = &scores.entry[entry_nr];
5456   char *pos_text = getHallOfFameRankText(entry_nr, 0);
5457   char *tape_date = getHallOfFameTapeDateText(entry);
5458   int font_title = MENU_INFO_FONT_TITLE;
5459   int font_head  = MENU_INFO_FONT_HEAD;
5460   int font_text  = MENU_INFO_FONT_TEXT;
5461   int font_foot  = MENU_INFO_FONT_FOOT;
5462   int spacing_title = menu.headline1_spacing[GAME_MODE_SCOREINFO];
5463   int spacing_para  = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
5464   int spacing_line  = menu.line_spacing[GAME_MODE_SCOREINFO];
5465   int xstep = getFontWidth(font_text);
5466   int ystep_title = getMenuTextStep(spacing_title, font_title);
5467   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
5468   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
5469   int xstart  = mSX - SX + menu.left_spacing[GAME_MODE_SCOREINFO];
5470   int ystart  = mSY - SY + menu.top_spacing[GAME_MODE_SCOREINFO];
5471   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
5472   int xstart1 = xstart + xstep;
5473   int xstart2 = xstart + xstep * 12;
5474   int select_x = SX + xstart1;
5475   int select_y1, select_y2;
5476   int play_x, play_y;
5477   int play_height = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]->height;
5478   boolean play_visible = !strEqual(tape_date, UNKNOWN_NAME);
5479   int font_width = getFontWidth(font_text);
5480   int font_height = getFontHeight(font_text);
5481   int tape_date_width  = getTextWidth(tape_date, font_text);
5482   int pad_left = xstart2;
5483   int pad_right = menu.right_spacing[GAME_MODE_SCOREINFO];
5484   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
5485   int max_lines_per_text = 5;
5486   int lines;
5487
5488   ClearField();
5489
5490   // redraw level selection buttons (which have just been erased)
5491   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5492
5493   if (score_entries == NULL)
5494   {
5495     drawChooseTreeScreen_Scores_NotAvailable();
5496
5497     return;
5498   }
5499
5500   drawChooseTreeHead(score_entries);
5501   drawChooseTreeInfo(score_entries);
5502
5503   DrawTextSCentered(ystart, font_title, "Score Information:");
5504   ystart += ystep_title;
5505
5506   DrawTextF(xstart1, ystart, font_head, "Level Set");
5507   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
5508                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5509                           TRUE, FALSE, FALSE);
5510   ystart += ystep_line + (lines > 0 ? lines - 1 : 0) * font_height;
5511
5512   DrawTextF(xstart1, ystart, font_head, "Level");
5513   lines = DrawTextBufferS(xstart2, ystart, level.name, font_text,
5514                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5515                           TRUE, FALSE, FALSE);
5516   ystart += ystep_para + (lines > 0 ? lines - 1 : 0) * font_height;
5517
5518   select_y1 = SY + ystart;
5519   ystart += graphic_info[IMG_MENU_BUTTON_PREV_SCORE].height;
5520
5521   DrawTextF(xstart1, ystart, font_head, "Rank");
5522   DrawTextF(xstart2, ystart, font_text, pos_text);
5523   ystart += ystep_line;
5524
5525   DrawTextF(xstart1, ystart, font_head, "Player");
5526   DrawTextF(xstart2, ystart, font_text, entry->name);
5527   ystart += ystep_line;
5528
5529   if (level.use_step_counter)
5530   {
5531     DrawTextF(xstart1, ystart, font_head, "Steps");
5532     DrawTextF(xstart2, ystart, font_text, int2str(entry->time, 5));
5533     ystart += ystep_line;
5534   }
5535   else
5536   {
5537     DrawTextF(xstart1, ystart, font_head, "Time");
5538     DrawTextF(xstart2, ystart, font_text, getHallOfFameTimeText(entry_nr));
5539     ystart += ystep_line;
5540   }
5541
5542   if (!level.rate_time_over_score || entry->score > 0)
5543   {
5544     DrawTextF(xstart1, ystart, font_head, "Score");
5545     DrawTextF(xstart2, ystart, font_text, int2str(entry->score, 5));
5546     ystart += ystep_line;
5547   }
5548
5549   ystart += ystep_line;
5550
5551   play_x = SX + xstart2 + tape_date_width + font_width;
5552   play_y = SY + ystart + (font_height - play_height) / 2;
5553
5554   DrawTextF(xstart1, ystart, font_head, "Tape Date");
5555   DrawTextF(xstart2, ystart, font_text, tape_date);
5556   ystart += ystep_line;
5557
5558   DrawTextF(xstart1, ystart, font_head, "Platform");
5559   DrawTextF(xstart2, ystart, font_text, entry->platform);
5560   ystart += ystep_line;
5561
5562   DrawTextF(xstart1, ystart, font_head, "Version");
5563   DrawTextF(xstart2, ystart, font_text, entry->version);
5564   ystart += ystep_line;
5565
5566   DrawTextF(xstart1, ystart, font_head, "Country");
5567   lines = DrawTextBufferS(xstart2, ystart, entry->country_name, font_text,
5568                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5569                           TRUE, FALSE, FALSE);
5570   ystart += ystep_line;
5571
5572   select_y2 = SY + ystart;
5573
5574   DrawTextSCentered(ybottom, font_foot, "Press any key or button to go back");
5575
5576   AdjustScoreInfoButtons_SelectScore(select_x, select_y1, select_y2);
5577   AdjustScoreInfoButtons_PlayTape(play_x, play_y, play_visible);
5578 }
5579
5580 static void DrawScoreInfo(int entry_nr)
5581 {
5582   scores.last_entry_nr = entry_nr;
5583   score_info_tape_play = FALSE;
5584
5585   UnmapAllGadgets();
5586
5587   FreeScreenGadgets();
5588   CreateScreenGadgets();
5589
5590   FadeOut(REDRAW_FIELD);
5591
5592   // needed if different viewport properties defined after playing score tape
5593   ChangeViewportPropertiesIfNeeded();
5594
5595   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
5596   SetDrawDeactivationMask(REDRAW_NONE);
5597   SetDrawBackgroundMask(REDRAW_FIELD);
5598
5599   // needed if different background image defined after playing score tape
5600   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5601   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_SCOREINFO);
5602
5603   // special compatibility handling for "Snake Bite" graphics set
5604   if (strPrefix(leveldir_current->identifier, "snake_bite"))
5605     ClearRectangle(gfx.background_bitmap, gfx.real_sx, gfx.real_sy + 64,
5606                    gfx.full_sxsize, gfx.full_sysize - 64);
5607
5608   DrawScoreInfo_Content(entry_nr);
5609
5610   // map gadgets for score info screen
5611   MapScreenMenuGadgets(SCREEN_MASK_SCORES_INFO);
5612
5613   FadeIn(REDRAW_FIELD);
5614 }
5615
5616 static void HandleScoreInfo_SelectScore(int step, int direction)
5617 {
5618   int old_entry_nr = scores.last_entry_nr;
5619   int new_entry_nr = old_entry_nr + step * direction;
5620   int num_nodes = numTreeInfoInGroup(score_entry_current);
5621   int num_entries = num_nodes - 1;      // score nodes only, without back link
5622
5623   if (new_entry_nr < 0)
5624     new_entry_nr = 0;
5625   if (new_entry_nr > num_entries - 1)
5626     new_entry_nr = num_entries - 1;
5627
5628   if (new_entry_nr != old_entry_nr)
5629   {
5630     scores.last_entry_nr = new_entry_nr;
5631
5632     DrawScoreInfo_Content(new_entry_nr);
5633   }
5634 }
5635
5636 static void HandleScoreInfo_PlayTape(void)
5637 {
5638   if (!PlayScoreTape(scores.last_entry_nr))
5639   {
5640     DrawScoreInfo_Content(scores.last_entry_nr);
5641
5642     FadeIn(REDRAW_FIELD);
5643   }
5644 }
5645
5646 void HandleScoreInfo(int mx, int my, int dx, int dy, int button)
5647 {
5648   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
5649   boolean button_is_valid = (mx >= 0 && my >= 0);
5650   boolean button_screen_clicked = (button_action && button_is_valid);
5651
5652   if (server_scores.updated)
5653   {
5654     // reload scores, using updated server score cache file
5655     LoadLocalAndServerScore(scores.last_level_nr, FALSE);
5656
5657     server_scores.updated = FALSE;
5658
5659     DrawHallOfFame_setScoreEntries();
5660
5661     DrawScoreInfo_Content(scores.last_entry_nr);
5662   }
5663
5664   if (button_screen_clicked)
5665   {
5666     PlaySound(SND_MENU_ITEM_SELECTING);
5667
5668     SetGameStatus(GAME_MODE_SCORES);
5669
5670     DrawHallOfFame(scores.last_level_nr);
5671   }
5672   else if (dx)
5673   {
5674     HandleHallOfFame_SelectLevel(1, SIGN(dx) * (ABS(dx) > 1 ? 10 : 1));
5675   }
5676   else if (dy)
5677   {
5678     HandleScoreInfo_SelectScore(1, SIGN(dy) * (ABS(dy) > 1 ? 10 : 1));
5679   }
5680 }
5681
5682
5683 // ============================================================================
5684 // setup screen functions
5685 // ============================================================================
5686
5687 static struct TokenInfo *setup_info;
5688 static int num_setup_info;      // number of setup entries shown on screen
5689 static int max_setup_info;      // total number of setup entries in list
5690
5691 static char *window_size_text;
5692 static char *scaling_type_text;
5693 static char *rendering_mode_text;
5694 static char *vsync_mode_text;
5695 static char *scroll_delay_text;
5696 static char *snapshot_mode_text;
5697 static char *game_speed_text;
5698 static char *scores_type_text;
5699 static char *network_server_text;
5700 static char *graphics_set_name;
5701 static char *sounds_set_name;
5702 static char *music_set_name;
5703 static char *volume_simple_text;
5704 static char *volume_loops_text;
5705 static char *volume_music_text;
5706 static char *touch_controls_text;
5707 static char *move_distance_text;
5708 static char *drop_distance_text;
5709 static char *transparency_text;
5710 static char *grid_size_text[2][2];
5711
5712 static void execSetupMain(void)
5713 {
5714   setup_mode = SETUP_MODE_MAIN;
5715
5716   DrawSetupScreen();
5717 }
5718
5719 static void execSetupGame_setScoresType(void)
5720 {
5721   if (scores_types == NULL)
5722   {
5723     int i;
5724
5725     for (i = 0; scores_types_list[i].value != NULL; i++)
5726     {
5727       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5728       char identifier[32], name[32];
5729       char *value = scores_types_list[i].value;
5730       char *text = scores_types_list[i].text;
5731
5732       ti->node_top = &scores_types;
5733       ti->sort_priority = i;
5734
5735       sprintf(identifier, "%s", value);
5736       sprintf(name, "%s", text);
5737
5738       setString(&ti->identifier, identifier);
5739       setString(&ti->name, name);
5740       setString(&ti->name_sorting, name);
5741       setString(&ti->infotext, STR_SETUP_CHOOSE_SCORES_TYPE);
5742
5743       pushTreeInfo(&scores_types, ti);
5744     }
5745
5746     // sort scores type values to start with lowest scores type value
5747     sortTreeInfo(&scores_types);
5748
5749     // set current scores type value to configured scores type value
5750     scores_type_current =
5751       getTreeInfoFromIdentifier(scores_types, setup.scores_in_highscore_list);
5752
5753     // if that fails, set current scores type to reliable default value
5754     if (scores_type_current == NULL)
5755       scores_type_current =
5756         getTreeInfoFromIdentifier(scores_types, STR_SCORES_TYPE_DEFAULT);
5757
5758     // if that also fails, set current scores type to first available value
5759     if (scores_type_current == NULL)
5760       scores_type_current = scores_types;
5761   }
5762
5763   setup.scores_in_highscore_list = scores_type_current->identifier;
5764
5765   // needed for displaying scores type text instead of identifier
5766   scores_type_text = scores_type_current->name;
5767 }
5768
5769 static void execSetupGame_setGameSpeeds(boolean update_value)
5770 {
5771   if (setup.game_speed_extended)
5772   {
5773     game_speeds_list = game_speeds_list_extended;
5774     game_speeds      = game_speeds_extended;
5775   }
5776   else
5777   {
5778     game_speeds_list = game_speeds_list_normal;
5779     game_speeds      = game_speeds_normal;
5780   }
5781
5782   if (game_speeds == NULL)
5783   {
5784     int i;
5785
5786     for (i = 0; game_speeds_list[i].value != -1; i++)
5787     {
5788       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5789       char identifier[32], name[32];
5790       int value = game_speeds_list[i].value;
5791       char *text = game_speeds_list[i].text;
5792
5793       ti->node_top = &game_speeds;
5794       ti->sort_priority = 10000 - value;
5795
5796       sprintf(identifier, "%d", value);
5797       sprintf(name, "%s", text);
5798
5799       setString(&ti->identifier, identifier);
5800       setString(&ti->name, name);
5801       setString(&ti->name_sorting, name);
5802       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5803
5804       pushTreeInfo(&game_speeds, ti);
5805     }
5806
5807     // sort game speed values to start with slowest game speed
5808     sortTreeInfo(&game_speeds);
5809
5810     update_value = TRUE;
5811   }
5812
5813   if (update_value)
5814   {
5815     // set current game speed to configured game speed value
5816     game_speed_current =
5817       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5818
5819     // if that fails, set current game speed to reliable default value
5820     if (game_speed_current == NULL)
5821       game_speed_current =
5822         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5823
5824     // if that also fails, set current game speed to first available speed
5825     if (game_speed_current == NULL)
5826       game_speed_current = game_speeds;
5827
5828     if (setup.game_speed_extended)
5829       game_speeds_extended = game_speeds;
5830     else
5831       game_speeds_normal = game_speeds;
5832   }
5833
5834   setup.game_frame_delay = atoi(game_speed_current->identifier);
5835
5836   // needed for displaying game speed text instead of identifier
5837   game_speed_text = game_speed_current->name;
5838 }
5839
5840 static void execSetupGame_setScrollDelays(void)
5841 {
5842   if (scroll_delays == NULL)
5843   {
5844     int i;
5845
5846     for (i = 0; scroll_delays_list[i].value != -1; i++)
5847     {
5848       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5849       char identifier[32], name[32];
5850       int value = scroll_delays_list[i].value;
5851       char *text = scroll_delays_list[i].text;
5852
5853       ti->node_top = &scroll_delays;
5854       ti->sort_priority = value;
5855
5856       sprintf(identifier, "%d", value);
5857       sprintf(name, "%s", text);
5858
5859       setString(&ti->identifier, identifier);
5860       setString(&ti->name, name);
5861       setString(&ti->name_sorting, name);
5862       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5863
5864       pushTreeInfo(&scroll_delays, ti);
5865     }
5866
5867     // sort scroll delay values to start with lowest scroll delay value
5868     sortTreeInfo(&scroll_delays);
5869
5870     // set current scroll delay value to configured scroll delay value
5871     scroll_delay_current =
5872       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5873
5874     // if that fails, set current scroll delay to reliable default value
5875     if (scroll_delay_current == NULL)
5876       scroll_delay_current =
5877         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5878
5879     // if that also fails, set current scroll delay to first available value
5880     if (scroll_delay_current == NULL)
5881       scroll_delay_current = scroll_delays;
5882   }
5883
5884   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5885
5886   // needed for displaying scroll delay text instead of identifier
5887   scroll_delay_text = scroll_delay_current->name;
5888 }
5889
5890 static void execSetupGame_setSnapshotModes(void)
5891 {
5892   if (snapshot_modes == NULL)
5893   {
5894     int i;
5895
5896     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5897     {
5898       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5899       char identifier[32], name[32];
5900       char *value = snapshot_modes_list[i].value;
5901       char *text = snapshot_modes_list[i].text;
5902
5903       ti->node_top = &snapshot_modes;
5904       ti->sort_priority = i;
5905
5906       sprintf(identifier, "%s", value);
5907       sprintf(name, "%s", text);
5908
5909       setString(&ti->identifier, identifier);
5910       setString(&ti->name, name);
5911       setString(&ti->name_sorting, name);
5912       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5913
5914       pushTreeInfo(&snapshot_modes, ti);
5915     }
5916
5917     // sort snapshot mode values to start with lowest snapshot mode value
5918     sortTreeInfo(&snapshot_modes);
5919
5920     // set current snapshot mode value to configured snapshot mode value
5921     snapshot_mode_current =
5922       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5923
5924     // if that fails, set current snapshot mode to reliable default value
5925     if (snapshot_mode_current == NULL)
5926       snapshot_mode_current =
5927         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5928
5929     // if that also fails, set current snapshot mode to first available value
5930     if (snapshot_mode_current == NULL)
5931       snapshot_mode_current = snapshot_modes;
5932   }
5933
5934   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5935
5936   // needed for displaying snapshot mode text instead of identifier
5937   snapshot_mode_text = snapshot_mode_current->name;
5938 }
5939
5940 static void execSetupGame_setNetworkServerText(void)
5941 {
5942   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5943   {
5944     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5945   }
5946   else
5947   {
5948     strncpy(network_server_hostname, setup.network_server_hostname,
5949             MAX_SETUP_TEXT_INPUT_LEN);
5950     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5951   }
5952
5953   // needed for displaying network server text instead of identifier
5954   network_server_text = network_server_hostname;
5955 }
5956
5957 static void execSetupGame(void)
5958 {
5959   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5960
5961   execSetupGame_setGameSpeeds(FALSE);
5962   execSetupGame_setScoresType();
5963   execSetupGame_setScrollDelays();
5964   execSetupGame_setSnapshotModes();
5965
5966   execSetupGame_setNetworkServerText();
5967
5968   if (!setup.provide_uploading_tapes)
5969     setHideSetupEntry(execOfferUploadTapes);
5970
5971   setup_mode = SETUP_MODE_GAME;
5972
5973   DrawSetupScreen();
5974
5975   // check if vsync needs to be disabled for this game speed to work
5976   if (check_vsync_mode)
5977     DisableVsyncIfNeeded();
5978 }
5979
5980 static void execSetupChooseScoresType(void)
5981 {
5982   setup_mode = SETUP_MODE_CHOOSE_SCORES_TYPE;
5983
5984   DrawSetupScreen();
5985 }
5986
5987 static void execSetupChooseGameSpeed(void)
5988 {
5989   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5990
5991   DrawSetupScreen();
5992 }
5993
5994 static void execSetupChooseScrollDelay(void)
5995 {
5996   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5997
5998   DrawSetupScreen();
5999 }
6000
6001 static void execSetupChooseSnapshotMode(void)
6002 {
6003   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
6004
6005   DrawSetupScreen();
6006 }
6007
6008 static void execSetupEngines(void)
6009 {
6010   setup_mode = SETUP_MODE_ENGINES;
6011
6012   DrawSetupScreen();
6013 }
6014
6015 static void execSetupEditor(void)
6016 {
6017   setup_mode = SETUP_MODE_EDITOR;
6018
6019   DrawSetupScreen();
6020 }
6021
6022 static void execSetupGraphics_setWindowSizes(boolean update_list)
6023 {
6024   if (window_sizes != NULL && update_list)
6025   {
6026     freeTreeInfo(window_sizes);
6027
6028     window_sizes = NULL;
6029   }
6030
6031   if (window_sizes == NULL)
6032   {
6033     boolean current_window_size_found = FALSE;
6034     int i;
6035
6036     for (i = 0; window_sizes_list[i].value != -1; i++)
6037     {
6038       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6039       char identifier[32], name[32];
6040       int value = window_sizes_list[i].value;
6041       char *text = window_sizes_list[i].text;
6042
6043       ti->node_top = &window_sizes;
6044       ti->sort_priority = value;
6045
6046       sprintf(identifier, "%d", value);
6047       sprintf(name, "%s", text);
6048
6049       setString(&ti->identifier, identifier);
6050       setString(&ti->name, name);
6051       setString(&ti->name_sorting, name);
6052       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6053
6054       pushTreeInfo(&window_sizes, ti);
6055
6056       if (value == setup.window_scaling_percent)
6057         current_window_size_found = TRUE;
6058     }
6059
6060     if (!current_window_size_found)
6061     {
6062       // add entry for non-preset window scaling value
6063
6064       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6065       char identifier[32], name[32];
6066       int value = setup.window_scaling_percent;
6067
6068       ti->node_top = &window_sizes;
6069       ti->sort_priority = value;
6070
6071       sprintf(identifier, "%d", value);
6072       sprintf(name, "%d %% (Current)", value);
6073
6074       setString(&ti->identifier, identifier);
6075       setString(&ti->name, name);
6076       setString(&ti->name_sorting, name);
6077       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6078
6079       pushTreeInfo(&window_sizes, ti);
6080     }
6081
6082     // sort window size values to start with lowest window size value
6083     sortTreeInfo(&window_sizes);
6084
6085     // set current window size value to configured window size value
6086     window_size_current =
6087       getTreeInfoFromIdentifier(window_sizes,
6088                                 i_to_a(setup.window_scaling_percent));
6089
6090     // if that fails, set current window size to reliable default value
6091     if (window_size_current == NULL)
6092       window_size_current =
6093         getTreeInfoFromIdentifier(window_sizes,
6094                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
6095
6096     // if that also fails, set current window size to first available value
6097     if (window_size_current == NULL)
6098       window_size_current = window_sizes;
6099   }
6100
6101   setup.window_scaling_percent = atoi(window_size_current->identifier);
6102
6103   // needed for displaying window size text instead of identifier
6104   window_size_text = window_size_current->name;
6105 }
6106
6107 static void execSetupGraphics_setScalingTypes(void)
6108 {
6109   if (scaling_types == NULL)
6110   {
6111     int i;
6112
6113     for (i = 0; scaling_types_list[i].value != NULL; i++)
6114     {
6115       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6116       char identifier[32], name[32];
6117       char *value = scaling_types_list[i].value;
6118       char *text = scaling_types_list[i].text;
6119
6120       ti->node_top = &scaling_types;
6121       ti->sort_priority = i;
6122
6123       sprintf(identifier, "%s", value);
6124       sprintf(name, "%s", text);
6125
6126       setString(&ti->identifier, identifier);
6127       setString(&ti->name, name);
6128       setString(&ti->name_sorting, name);
6129       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
6130
6131       pushTreeInfo(&scaling_types, ti);
6132     }
6133
6134     // sort scaling type values to start with lowest scaling type value
6135     sortTreeInfo(&scaling_types);
6136
6137     // set current scaling type value to configured scaling type value
6138     scaling_type_current =
6139       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
6140
6141     // if that fails, set current scaling type to reliable default value
6142     if (scaling_type_current == NULL)
6143       scaling_type_current =
6144         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
6145
6146     // if that also fails, set current scaling type to first available value
6147     if (scaling_type_current == NULL)
6148       scaling_type_current = scaling_types;
6149   }
6150
6151   setup.window_scaling_quality = scaling_type_current->identifier;
6152
6153   // needed for displaying scaling type text instead of identifier
6154   scaling_type_text = scaling_type_current->name;
6155 }
6156
6157 static void execSetupGraphics_setRenderingModes(void)
6158 {
6159   if (rendering_modes == NULL)
6160   {
6161     int i;
6162
6163     for (i = 0; rendering_modes_list[i].value != NULL; i++)
6164     {
6165       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6166       char identifier[32], name[32];
6167       char *value = rendering_modes_list[i].value;
6168       char *text = rendering_modes_list[i].text;
6169
6170       ti->node_top = &rendering_modes;
6171       ti->sort_priority = i;
6172
6173       sprintf(identifier, "%s", value);
6174       sprintf(name, "%s", text);
6175
6176       setString(&ti->identifier, identifier);
6177       setString(&ti->name, name);
6178       setString(&ti->name_sorting, name);
6179       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
6180
6181       pushTreeInfo(&rendering_modes, ti);
6182     }
6183
6184     // sort rendering mode values to start with lowest rendering mode value
6185     sortTreeInfo(&rendering_modes);
6186
6187     // set current rendering mode value to configured rendering mode value
6188     rendering_mode_current =
6189       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
6190
6191     // if that fails, set current rendering mode to reliable default value
6192     if (rendering_mode_current == NULL)
6193       rendering_mode_current =
6194         getTreeInfoFromIdentifier(rendering_modes,
6195                                   STR_SPECIAL_RENDERING_DEFAULT);
6196
6197     // if that also fails, set current rendering mode to first available one
6198     if (rendering_mode_current == NULL)
6199       rendering_mode_current = rendering_modes;
6200   }
6201
6202   setup.screen_rendering_mode = rendering_mode_current->identifier;
6203
6204   // needed for displaying rendering mode text instead of identifier
6205   rendering_mode_text = rendering_mode_current->name;
6206 }
6207
6208 static void execSetupGraphics_setVsyncModes(boolean update_value)
6209 {
6210   if (vsync_modes == NULL)
6211   {
6212     int i;
6213
6214     for (i = 0; vsync_modes_list[i].value != NULL; i++)
6215     {
6216       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6217       char identifier[32], name[32];
6218       char *value = vsync_modes_list[i].value;
6219       char *text = vsync_modes_list[i].text;
6220
6221       ti->node_top = &vsync_modes;
6222       ti->sort_priority = i;
6223
6224       sprintf(identifier, "%s", value);
6225       sprintf(name, "%s", text);
6226
6227       setString(&ti->identifier, identifier);
6228       setString(&ti->name, name);
6229       setString(&ti->name_sorting, name);
6230       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
6231
6232       pushTreeInfo(&vsync_modes, ti);
6233     }
6234
6235     // sort vsync mode values to start with lowest vsync mode value
6236     sortTreeInfo(&vsync_modes);
6237
6238     update_value = TRUE;
6239   }
6240
6241   if (update_value)
6242   {
6243     // set current vsync mode value to configured vsync mode value
6244     vsync_mode_current =
6245       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
6246
6247     // if that fails, set current vsync mode to reliable default value
6248     if (vsync_mode_current == NULL)
6249       vsync_mode_current =
6250         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
6251
6252     // if that also fails, set current vsync mode to first available one
6253     if (vsync_mode_current == NULL)
6254       vsync_mode_current = vsync_modes;
6255   }
6256
6257   setup.vsync_mode = vsync_mode_current->identifier;
6258
6259   // needed for displaying vsync mode text instead of identifier
6260   vsync_mode_text = vsync_mode_current->name;
6261 }
6262
6263 static void execSetupGraphics(void)
6264 {
6265   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
6266
6267   // update "setup.window_scaling_percent" from list selection
6268   // (in this case, window scaling was changed on setup screen)
6269   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6270     execSetupGraphics_setWindowSizes(FALSE);
6271
6272   // update "setup.vsync_mode" from list selection
6273   // (in this case, vsync mode was changed on setup screen)
6274   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
6275     execSetupGraphics_setVsyncModes(FALSE);
6276
6277   // update list selection from "setup.window_scaling_percent"
6278   // (window scaling may have changed by resizing the window)
6279   execSetupGraphics_setWindowSizes(TRUE);
6280
6281   // update list selection from "setup.vsync_mode"
6282   // (vsync_mode may have changed by re-creating the renderer)
6283   execSetupGraphics_setVsyncModes(TRUE);
6284
6285   execSetupGraphics_setScalingTypes();
6286   execSetupGraphics_setRenderingModes();
6287
6288   setup_mode = SETUP_MODE_GRAPHICS;
6289
6290   DrawSetupScreen();
6291
6292   // check if game speed is high enough for 60 Hz vsync to work
6293   if (check_game_speed)
6294     ModifyGameSpeedIfNeeded();
6295
6296   // window scaling may have changed at this point
6297   ChangeWindowScalingIfNeeded();
6298
6299   // window scaling quality may have changed at this point
6300   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
6301     SDLSetWindowScalingQuality(setup.window_scaling_quality);
6302
6303   // screen rendering mode may have changed at this point
6304   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
6305
6306   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6307   int video_vsync_mode = video.vsync_mode;
6308
6309   // screen vsync mode may have changed at this point
6310   ChangeVsyncModeIfNeeded();
6311
6312   // check if setting vsync mode to selected value failed
6313   if (setup_vsync_mode != video_vsync_mode &&
6314       setup_vsync_mode != video.vsync_mode)
6315   {
6316     // changing vsync mode to selected value failed -- reset displayed value
6317     execSetupGraphics_setVsyncModes(TRUE);
6318
6319     Request("Setting VSync failed!", REQ_CONFIRM);
6320
6321     DrawSetupScreen();
6322   }
6323 }
6324
6325 static void execSetupChooseWindowSize(void)
6326 {
6327   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6328
6329   DrawSetupScreen();
6330 }
6331
6332 static void execSetupChooseScalingType(void)
6333 {
6334   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6335
6336   DrawSetupScreen();
6337 }
6338
6339 static void execSetupChooseRenderingMode(void)
6340 {
6341   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6342
6343   DrawSetupScreen();
6344 }
6345
6346 static void execSetupChooseVsyncMode(void)
6347 {
6348   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6349
6350   DrawSetupScreen();
6351 }
6352
6353 static void execSetupChooseVolumeSimple(void)
6354 {
6355   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6356
6357   DrawSetupScreen();
6358 }
6359
6360 static void execSetupChooseVolumeLoops(void)
6361 {
6362   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6363
6364   DrawSetupScreen();
6365 }
6366
6367 static void execSetupChooseVolumeMusic(void)
6368 {
6369   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6370
6371   DrawSetupScreen();
6372 }
6373
6374 static void execSetupSound(void)
6375 {
6376   if (volumes_simple == NULL)
6377   {
6378     boolean current_volume_simple_found = FALSE;
6379     int i;
6380
6381     for (i = 0; volumes_list[i].value != -1; i++)
6382     {
6383       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6384       char identifier[32], name[32];
6385       int value = volumes_list[i].value;
6386       char *text = volumes_list[i].text;
6387
6388       ti->node_top = &volumes_simple;
6389       ti->sort_priority = value;
6390
6391       sprintf(identifier, "%d", value);
6392       sprintf(name, "%s", text);
6393
6394       setString(&ti->identifier, identifier);
6395       setString(&ti->name, name);
6396       setString(&ti->name_sorting, name);
6397       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6398
6399       pushTreeInfo(&volumes_simple, ti);
6400
6401       if (value == setup.volume_simple)
6402         current_volume_simple_found = TRUE;
6403     }
6404
6405     if (!current_volume_simple_found)
6406     {
6407       // add entry for non-preset volume value
6408
6409       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6410       char identifier[32], name[32];
6411       int value = setup.volume_simple;
6412
6413       ti->node_top = &volumes_simple;
6414       ti->sort_priority = value;
6415
6416       sprintf(identifier, "%d", value);
6417       sprintf(name, "%d %% (Current)", value);
6418
6419       setString(&ti->identifier, identifier);
6420       setString(&ti->name, name);
6421       setString(&ti->name_sorting, name);
6422       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6423
6424       pushTreeInfo(&volumes_simple, ti);
6425     }
6426
6427     // sort volume values to start with lowest volume value
6428     sortTreeInfo(&volumes_simple);
6429
6430     // set current volume value to configured volume value
6431     volume_simple_current =
6432       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6433
6434     // if that fails, set current volume to reliable default value
6435     if (volume_simple_current == NULL)
6436       volume_simple_current =
6437         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6438
6439     // if that also fails, set current volume to first available value
6440     if (volume_simple_current == NULL)
6441       volume_simple_current = volumes_simple;
6442   }
6443
6444   if (volumes_loops == NULL)
6445   {
6446     boolean current_volume_loops_found = FALSE;
6447     int i;
6448
6449     for (i = 0; volumes_list[i].value != -1; i++)
6450     {
6451       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6452       char identifier[32], name[32];
6453       int value = volumes_list[i].value;
6454       char *text = volumes_list[i].text;
6455
6456       ti->node_top = &volumes_loops;
6457       ti->sort_priority = value;
6458
6459       sprintf(identifier, "%d", value);
6460       sprintf(name, "%s", text);
6461
6462       setString(&ti->identifier, identifier);
6463       setString(&ti->name, name);
6464       setString(&ti->name_sorting, name);
6465       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6466
6467       pushTreeInfo(&volumes_loops, ti);
6468
6469       if (value == setup.volume_loops)
6470         current_volume_loops_found = TRUE;
6471     }
6472
6473     if (!current_volume_loops_found)
6474     {
6475       // add entry for non-preset volume value
6476
6477       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6478       char identifier[32], name[32];
6479       int value = setup.volume_loops;
6480
6481       ti->node_top = &volumes_loops;
6482       ti->sort_priority = value;
6483
6484       sprintf(identifier, "%d", value);
6485       sprintf(name, "%d %% (Current)", value);
6486
6487       setString(&ti->identifier, identifier);
6488       setString(&ti->name, name);
6489       setString(&ti->name_sorting, name);
6490       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6491
6492       pushTreeInfo(&volumes_loops, ti);
6493     }
6494
6495     // sort volume values to start with lowest volume value
6496     sortTreeInfo(&volumes_loops);
6497
6498     // set current volume value to configured volume value
6499     volume_loops_current =
6500       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6501
6502     // if that fails, set current volume to reliable default value
6503     if (volume_loops_current == NULL)
6504       volume_loops_current =
6505         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6506
6507     // if that also fails, set current volume to first available value
6508     if (volume_loops_current == NULL)
6509       volume_loops_current = volumes_loops;
6510   }
6511
6512   if (volumes_music == NULL)
6513   {
6514     boolean current_volume_music_found = FALSE;
6515     int i;
6516
6517     for (i = 0; volumes_list[i].value != -1; i++)
6518     {
6519       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6520       char identifier[32], name[32];
6521       int value = volumes_list[i].value;
6522       char *text = volumes_list[i].text;
6523
6524       ti->node_top = &volumes_music;
6525       ti->sort_priority = value;
6526
6527       sprintf(identifier, "%d", value);
6528       sprintf(name, "%s", text);
6529
6530       setString(&ti->identifier, identifier);
6531       setString(&ti->name, name);
6532       setString(&ti->name_sorting, name);
6533       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6534
6535       pushTreeInfo(&volumes_music, ti);
6536
6537       if (value == setup.volume_music)
6538         current_volume_music_found = TRUE;
6539     }
6540
6541     if (!current_volume_music_found)
6542     {
6543       // add entry for non-preset volume value
6544
6545       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6546       char identifier[32], name[32];
6547       int value = setup.volume_music;
6548
6549       ti->node_top = &volumes_music;
6550       ti->sort_priority = value;
6551
6552       sprintf(identifier, "%d", value);
6553       sprintf(name, "%d %% (Current)", value);
6554
6555       setString(&ti->identifier, identifier);
6556       setString(&ti->name, name);
6557       setString(&ti->name_sorting, name);
6558       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6559
6560       pushTreeInfo(&volumes_music, ti);
6561     }
6562
6563     // sort volume values to start with lowest volume value
6564     sortTreeInfo(&volumes_music);
6565
6566     // set current volume value to configured volume value
6567     volume_music_current =
6568       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6569
6570     // if that fails, set current volume to reliable default value
6571     if (volume_music_current == NULL)
6572       volume_music_current =
6573         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6574
6575     // if that also fails, set current volume to first available value
6576     if (volume_music_current == NULL)
6577       volume_music_current = volumes_music;
6578   }
6579
6580   setup.volume_simple = atoi(volume_simple_current->identifier);
6581   setup.volume_loops  = atoi(volume_loops_current->identifier);
6582   setup.volume_music  = atoi(volume_music_current->identifier);
6583
6584   // needed for displaying volume text instead of identifier
6585   volume_simple_text = volume_simple_current->name;
6586   volume_loops_text = volume_loops_current->name;
6587   volume_music_text = volume_music_current->name;
6588
6589   setup_mode = SETUP_MODE_SOUND;
6590
6591   DrawSetupScreen();
6592 }
6593
6594 static void execSetupChooseTouchControls(void)
6595 {
6596   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6597
6598   DrawSetupScreen();
6599 }
6600
6601 static void execSetupChooseMoveDistance(void)
6602 {
6603   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6604
6605   DrawSetupScreen();
6606 }
6607
6608 static void execSetupChooseDropDistance(void)
6609 {
6610   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6611
6612   DrawSetupScreen();
6613 }
6614
6615 static void execSetupChooseTransparency(void)
6616 {
6617   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6618
6619   DrawSetupScreen();
6620 }
6621
6622 static void execSetupChooseGridXSize_0(void)
6623 {
6624   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6625
6626   DrawSetupScreen();
6627 }
6628
6629 static void execSetupChooseGridYSize_0(void)
6630 {
6631   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6632
6633   DrawSetupScreen();
6634 }
6635
6636 static void execSetupChooseGridXSize_1(void)
6637 {
6638   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6639
6640   DrawSetupScreen();
6641 }
6642
6643 static void execSetupChooseGridYSize_1(void)
6644 {
6645   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6646
6647   DrawSetupScreen();
6648 }
6649
6650 static void execSetupConfigureVirtualButtons(void)
6651 {
6652   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6653
6654   ConfigureVirtualButtons();
6655
6656   setup_mode = SETUP_MODE_TOUCH;
6657
6658   DrawSetupScreen();
6659 }
6660
6661 static void execSetupTouch(void)
6662 {
6663   int i, j, k;
6664
6665   if (touch_controls == NULL)
6666   {
6667     for (i = 0; touch_controls_list[i].value != NULL; i++)
6668     {
6669       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6670       char identifier[32], name[32];
6671       char *value = touch_controls_list[i].value;
6672       char *text = touch_controls_list[i].text;
6673
6674       ti->node_top = &touch_controls;
6675       ti->sort_priority = i;
6676
6677       sprintf(identifier, "%s", value);
6678       sprintf(name, "%s", text);
6679
6680       setString(&ti->identifier, identifier);
6681       setString(&ti->name, name);
6682       setString(&ti->name_sorting, name);
6683       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6684
6685       pushTreeInfo(&touch_controls, ti);
6686     }
6687
6688     // sort touch control values to start with lowest touch control value
6689     sortTreeInfo(&touch_controls);
6690
6691     // set current touch control value to configured touch control value
6692     touch_control_current =
6693       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6694
6695     // if that fails, set current touch control to reliable default value
6696     if (touch_control_current == NULL)
6697       touch_control_current =
6698         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6699
6700     // if that also fails, set current touch control to first available value
6701     if (touch_control_current == NULL)
6702       touch_control_current = touch_controls;
6703   }
6704
6705   if (move_distances == NULL)
6706   {
6707     for (i = 0; distances_list[i].value != -1; i++)
6708     {
6709       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6710       char identifier[32], name[32];
6711       int value = distances_list[i].value;
6712       char *text = distances_list[i].text;
6713
6714       ti->node_top = &move_distances;
6715       ti->sort_priority = value;
6716
6717       sprintf(identifier, "%d", value);
6718       sprintf(name, "%s", text);
6719
6720       setString(&ti->identifier, identifier);
6721       setString(&ti->name, name);
6722       setString(&ti->name_sorting, name);
6723       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6724
6725       pushTreeInfo(&move_distances, ti);
6726     }
6727
6728     // sort distance values to start with lowest distance value
6729     sortTreeInfo(&move_distances);
6730
6731     // set current distance value to configured distance value
6732     move_distance_current =
6733       getTreeInfoFromIdentifier(move_distances,
6734                                 i_to_a(setup.touch.move_distance));
6735
6736     // if that fails, set current distance to reliable default value
6737     if (move_distance_current == NULL)
6738       move_distance_current =
6739         getTreeInfoFromIdentifier(move_distances,
6740                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6741
6742     // if that also fails, set current distance to first available value
6743     if (move_distance_current == NULL)
6744       move_distance_current = move_distances;
6745   }
6746
6747   if (drop_distances == NULL)
6748   {
6749     for (i = 0; distances_list[i].value != -1; i++)
6750     {
6751       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6752       char identifier[32], name[32];
6753       int value = distances_list[i].value;
6754       char *text = distances_list[i].text;
6755
6756       ti->node_top = &drop_distances;
6757       ti->sort_priority = value;
6758
6759       sprintf(identifier, "%d", value);
6760       sprintf(name, "%s", text);
6761
6762       setString(&ti->identifier, identifier);
6763       setString(&ti->name, name);
6764       setString(&ti->name_sorting, name);
6765       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6766
6767       pushTreeInfo(&drop_distances, ti);
6768     }
6769
6770     // sort distance values to start with lowest distance value
6771     sortTreeInfo(&drop_distances);
6772
6773     // set current distance value to configured distance value
6774     drop_distance_current =
6775       getTreeInfoFromIdentifier(drop_distances,
6776                                 i_to_a(setup.touch.drop_distance));
6777
6778     // if that fails, set current distance to reliable default value
6779     if (drop_distance_current == NULL)
6780       drop_distance_current =
6781         getTreeInfoFromIdentifier(drop_distances,
6782                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6783
6784     // if that also fails, set current distance to first available value
6785     if (drop_distance_current == NULL)
6786       drop_distance_current = drop_distances;
6787   }
6788
6789   if (transparencies == NULL)
6790   {
6791     for (i = 0; transparencies_list[i].value != -1; i++)
6792     {
6793       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6794       char identifier[32], name[32];
6795       int value = transparencies_list[i].value;
6796       char *text = transparencies_list[i].text;
6797
6798       ti->node_top = &transparencies;
6799       ti->sort_priority = value;
6800
6801       sprintf(identifier, "%d", value);
6802       sprintf(name, "%s", text);
6803
6804       setString(&ti->identifier, identifier);
6805       setString(&ti->name, name);
6806       setString(&ti->name_sorting, name);
6807       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6808
6809       pushTreeInfo(&transparencies, ti);
6810     }
6811
6812     // sort transparency values to start with lowest transparency value
6813     sortTreeInfo(&transparencies);
6814
6815     // set current transparency value to configured transparency value
6816     transparency_current =
6817       getTreeInfoFromIdentifier(transparencies,
6818                                 i_to_a(setup.touch.transparency));
6819
6820     // if that fails, set current transparency to reliable default value
6821     if (transparency_current == NULL)
6822       transparency_current =
6823         getTreeInfoFromIdentifier(transparencies,
6824                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6825
6826     // if that also fails, set current transparency to first available value
6827     if (transparency_current == NULL)
6828       transparency_current = transparencies;
6829   }
6830
6831   for (i = 0; i < 2; i++)
6832   {
6833     for (j = 0; j < 2; j++)
6834     {
6835       if (grid_sizes[i][j] == NULL)
6836       {
6837         for (k = 0; grid_sizes_list[k].value != -1; k++)
6838         {
6839           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6840           char identifier[32], name[32];
6841           int value = grid_sizes_list[k].value;
6842           char *text = grid_sizes_list[k].text;
6843
6844           ti->node_top = &grid_sizes[i][j];
6845           ti->sort_priority = value;
6846
6847           sprintf(identifier, "%d", value);
6848           sprintf(name, "%s", text);
6849
6850           setString(&ti->identifier, identifier);
6851           setString(&ti->name, name);
6852           setString(&ti->name_sorting, name);
6853           setString(&ti->infotext,
6854                     (i == 0 ?
6855                      (j == 0 ?
6856                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6857                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6858                      (j == 0 ?
6859                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6860                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6861
6862           pushTreeInfo(&grid_sizes[i][j], ti);
6863         }
6864
6865         // sort grid size values to start with lowest grid size value
6866         sortTreeInfo(&grid_sizes[i][j]);
6867
6868         // set current grid size value to configured grid size value
6869         grid_size_current[i][j] =
6870           getTreeInfoFromIdentifier(grid_sizes[i][j],
6871                                     i_to_a(j == 0 ?
6872                                            setup.touch.grid_xsize[i] :
6873                                            setup.touch.grid_ysize[i]));
6874
6875         // if that fails, set current grid size to reliable default value
6876         if (grid_size_current[i][j] == NULL)
6877           grid_size_current[i][j] =
6878             getTreeInfoFromIdentifier(grid_sizes[i][j],
6879                                       i_to_a(j == 0 ?
6880                                              DEFAULT_GRID_XSIZE(i) :
6881                                              DEFAULT_GRID_YSIZE(i)));
6882
6883         // if that also fails, set current grid size to first available value
6884         if (grid_size_current[i][j] == NULL)
6885           grid_size_current[i][j] = grid_sizes[i][j];
6886       }
6887     }
6888   }
6889
6890   setup.touch.control_type = touch_control_current->identifier;
6891   setup.touch.move_distance = atoi(move_distance_current->identifier);
6892   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6893   setup.touch.transparency = atoi(transparency_current->identifier);
6894
6895   for (i = 0; i < 2; i++)
6896   {
6897     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6898     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6899
6900     if (i == GRID_ACTIVE_NR())
6901     {
6902       overlay.grid_xsize = setup.touch.grid_xsize[i];
6903       overlay.grid_ysize = setup.touch.grid_ysize[i];
6904     }
6905   }
6906
6907   // needed for displaying value text instead of identifier
6908   touch_controls_text = touch_control_current->name;
6909   move_distance_text = move_distance_current->name;
6910   drop_distance_text = drop_distance_current->name;
6911   transparency_text = transparency_current->name;
6912
6913   for (i = 0; i < 2; i++)
6914     for (j = 0; j < 2; j++)
6915       grid_size_text[i][j] = grid_size_current[i][j]->name;
6916
6917   setup_mode = SETUP_MODE_TOUCH;
6918
6919   DrawSetupScreen();
6920 }
6921
6922 static void execSetupArtwork(void)
6923 {
6924   static ArtworkDirTree *gfx_last_valid = NULL;
6925   static ArtworkDirTree *snd_last_valid = NULL;
6926   static ArtworkDirTree *mus_last_valid = NULL;
6927
6928   // current artwork directory may be invalid (level group, parent link)
6929   if (!validLevelSeries(artwork.gfx_current))
6930     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6931   if (!validLevelSeries(artwork.snd_current))
6932     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6933   if (!validLevelSeries(artwork.mus_current))
6934     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6935
6936   // store valid artwork directory information
6937   gfx_last_valid = artwork.gfx_current;
6938   snd_last_valid = artwork.snd_current;
6939   mus_last_valid = artwork.mus_current;
6940
6941 #if 0
6942   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6943         artwork.gfx_current->subdir,
6944         artwork.gfx_current->fullpath,
6945         artwork.gfx_current->basepath);
6946 #endif
6947
6948   setup.graphics_set = artwork.gfx_current->identifier;
6949   setup.sounds_set = artwork.snd_current->identifier;
6950   setup.music_set = artwork.mus_current->identifier;
6951
6952   // needed if last screen (setup choice) changed graphics, sounds or music
6953   ReloadCustomArtwork(0);
6954
6955   // needed for displaying artwork name instead of artwork identifier
6956   graphics_set_name = artwork.gfx_current->name;
6957   sounds_set_name = artwork.snd_current->name;
6958   music_set_name = artwork.mus_current->name;
6959
6960   setup_mode = SETUP_MODE_ARTWORK;
6961
6962   DrawSetupScreen();
6963 }
6964
6965 static void execSetupChooseGraphics(void)
6966 {
6967   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6968
6969   DrawSetupScreen();
6970 }
6971
6972 static void execSetupChooseSounds(void)
6973 {
6974   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6975
6976   DrawSetupScreen();
6977 }
6978
6979 static void execSetupChooseMusic(void)
6980 {
6981   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6982
6983   DrawSetupScreen();
6984 }
6985
6986 static void execSetupInput(void)
6987 {
6988   setup_mode = SETUP_MODE_INPUT;
6989
6990   DrawSetupScreen();
6991 }
6992
6993 static void execSetupShortcuts(void)
6994 {
6995   setup_mode = SETUP_MODE_SHORTCUTS;
6996
6997   DrawSetupScreen();
6998 }
6999
7000 static void execSetupShortcuts1(void)
7001 {
7002   setup_mode = SETUP_MODE_SHORTCUTS_1;
7003
7004   DrawSetupScreen();
7005 }
7006
7007 static void execSetupShortcuts2(void)
7008 {
7009   setup_mode = SETUP_MODE_SHORTCUTS_2;
7010
7011   DrawSetupScreen();
7012 }
7013
7014 static void execSetupShortcuts3(void)
7015 {
7016   setup_mode = SETUP_MODE_SHORTCUTS_3;
7017
7018   DrawSetupScreen();
7019 }
7020
7021 static void execSetupShortcuts4(void)
7022 {
7023   setup_mode = SETUP_MODE_SHORTCUTS_4;
7024
7025   DrawSetupScreen();
7026 }
7027
7028 static void execSetupShortcuts5(void)
7029 {
7030   setup_mode = SETUP_MODE_SHORTCUTS_5;
7031
7032   DrawSetupScreen();
7033 }
7034
7035 static void execExitSetup(void)
7036 {
7037   SetGameStatus(GAME_MODE_MAIN);
7038
7039   DrawMainMenu();
7040 }
7041
7042 static void execSaveAndExitSetup(void)
7043 {
7044   SaveSetup();
7045   execExitSetup();
7046 }
7047
7048 static void execGadgetNetworkServer(void)
7049 {
7050   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
7051   struct GadgetInfo *gi = screen_gadget[gadget_id];
7052
7053   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
7054     network_server_hostname[0] = '\0';
7055
7056   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
7057
7058   MapGadget(gi);
7059
7060   ClickOnGadget(gi, MB_LEFTBUTTON);
7061 }
7062
7063 static void execOfferUploadTapes(void)
7064 {
7065   OfferUploadTapes();
7066 }
7067
7068 static void ToggleNetworkModeIfNeeded(void)
7069 {
7070   int font_title = FONT_TITLE_1;
7071   int font_foot = FC_BLUE;
7072   int ystart  = mSY - SY + 16;
7073   int ybottom = mSY - SY + SYSIZE - 20;
7074   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
7075
7076   if (setup.network_mode == network.enabled)
7077     return;
7078
7079   network.enabled = setup.network_mode;
7080
7081   FadeOut(REDRAW_ALL);
7082
7083   ClearField();
7084
7085   DrawTextSCentered(ystart, font_title, text);
7086
7087   FadeIn(REDRAW_ALL);
7088
7089   if (network.enabled)
7090     InitNetworkServer();
7091   else
7092     DisconnectFromNetworkServer();
7093
7094   DrawTextSCentered(ybottom, font_foot,
7095                     "Press any key or button for setup menu");
7096
7097   WaitForEventToContinue();
7098
7099   DrawSetupScreen();
7100 }
7101
7102 static void ToggleGameSpeedsListIfNeeded(void)
7103 {
7104   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
7105
7106   if (setup.game_speed_extended == using_game_speeds_extended)
7107     return;
7108
7109   // try to match similar values when changing game speeds list
7110   if (setup.game_speed_extended)
7111     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
7112                               setup.game_frame_delay == 30 ? 29 :
7113                               setup.game_frame_delay);
7114   else
7115     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
7116                               setup.game_frame_delay == 16 ? 15 :
7117                               setup.game_frame_delay >= 29 ? 30 :
7118                               setup.game_frame_delay <= 10 ? 10 :
7119                               setup.game_frame_delay);
7120
7121   execSetupGame_setGameSpeeds(TRUE);
7122
7123   DrawSetupScreen();
7124 }
7125
7126 static void ToggleUseApiServerIfNeeded(void)
7127 {
7128   if (runtime.use_api_server == setup.use_api_server)
7129     return;
7130
7131   runtime.use_api_server = setup.use_api_server;
7132
7133   if (runtime.use_api_server)
7134     CheckApiServerTasks();
7135 }
7136
7137 static void ModifyGameSpeedIfNeeded(void)
7138 {
7139   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7140       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
7141     return;
7142
7143   char message[100];
7144   char *game_speed_text = "Fast";
7145   int game_speed_value = 15;
7146
7147   if (setup.game_speed_extended)
7148   {
7149     game_speed_text = "60 fps";
7150     game_speed_value = 16;
7151   }
7152
7153   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
7154
7155   // set game speed to existing list value that is fast enough for vsync
7156   setup.game_frame_delay = game_speed_value;
7157
7158   execSetupGame_setGameSpeeds(TRUE);
7159
7160   Request(message, REQ_CONFIRM);
7161 }
7162
7163 static void DisableVsyncIfNeeded(void)
7164 {
7165   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7166       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
7167        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
7168     return;
7169
7170   // disable vsync for the selected game speed to work
7171   setup.vsync_mode = STR_VSYNC_MODE_OFF;
7172
7173   execSetupGraphics_setVsyncModes(TRUE);
7174
7175   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
7176 }
7177
7178 static struct
7179 {
7180   void *value;
7181   void *related_value;
7182 } hide_related_entry_list[] =
7183 {
7184   { &setup.scores_in_highscore_list,    execSetupChooseScoresType       },
7185   { &setup.scores_in_highscore_list,    &scores_type_text               },
7186
7187   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
7188   { &setup.game_frame_delay,            &game_speed_text                },
7189
7190   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
7191   { &setup.scroll_delay_value,          &scroll_delay_text              },
7192
7193   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
7194   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
7195
7196   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
7197   { &setup.window_scaling_percent,      &window_size_text               },
7198
7199   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
7200   { &setup.window_scaling_quality,      &scaling_type_text              },
7201
7202   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
7203   { &setup.screen_rendering_mode,       &rendering_mode_text            },
7204
7205   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
7206   { &setup.vsync_mode,                  &vsync_mode_text                },
7207
7208   { &setup.graphics_set,                execSetupChooseGraphics         },
7209   { &setup.graphics_set,                &graphics_set_name              },
7210
7211   { &setup.sounds_set,                  execSetupChooseSounds           },
7212   { &setup.sounds_set,                  &sounds_set_name                },
7213
7214   { &setup.music_set,                   execSetupChooseMusic            },
7215   { &setup.music_set,                   &music_set_name                 },
7216
7217   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
7218   { &setup.volume_simple,               &volume_simple_text             },
7219
7220   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
7221   { &setup.volume_loops,                &volume_loops_text              },
7222
7223   { &setup.volume_music,                execSetupChooseVolumeMusic      },
7224   { &setup.volume_music,                &volume_music_text              },
7225
7226   { &setup.touch.control_type,          execSetupChooseTouchControls    },
7227   { &setup.touch.control_type,          &touch_controls_text            },
7228
7229   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
7230   { &setup.touch.move_distance,         &move_distance_text             },
7231
7232   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
7233   { &setup.touch.drop_distance,         &drop_distance_text             },
7234
7235   { &setup.touch.transparency,          execSetupChooseTransparency     },
7236   { &setup.touch.transparency,          &transparency_text              },
7237
7238   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
7239   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
7240
7241   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
7242   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
7243
7244   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
7245   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
7246
7247   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
7248   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
7249
7250   { &setup.internal.menu_game,          execSetupGame                   },
7251   { &setup.internal.menu_engines,       execSetupEngines                },
7252   { &setup.internal.menu_editor,        execSetupEditor                 },
7253   { &setup.internal.menu_graphics,      execSetupGraphics               },
7254   { &setup.internal.menu_sound,         execSetupSound                  },
7255   { &setup.internal.menu_artwork,       execSetupArtwork                },
7256   { &setup.internal.menu_input,         execSetupInput                  },
7257   { &setup.internal.menu_touch,         execSetupTouch                  },
7258   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
7259   { &setup.internal.menu_exit,          execExitSetup                   },
7260   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
7261
7262   { &setup.internal.info_title,         execInfoTitleScreen             },
7263   { &setup.internal.info_elements,      execInfoElements                },
7264   { &setup.internal.info_music,         execInfoMusic                   },
7265   { &setup.internal.info_credits,       execInfoCredits                 },
7266   { &setup.internal.info_program,       execInfoProgram                 },
7267   { &setup.internal.info_version,       execInfoVersion                 },
7268   { &setup.internal.info_levelset,      execInfoLevelSet                },
7269   { &setup.internal.info_exit,          execExitInfo                    },
7270
7271   { NULL,                               NULL                            }
7272 };
7273
7274 void setHideRelatedSetupEntries(void)
7275 {
7276   int i;
7277
7278   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
7279     if (hideSetupEntry(hide_related_entry_list[i].value))
7280       setHideSetupEntry(hide_related_entry_list[i].related_value);
7281 }
7282
7283 static struct TokenInfo setup_info_main[] =
7284 {
7285   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
7286   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
7287   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
7288   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
7289   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
7290   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
7291   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
7292   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
7293   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
7294   { TYPE_EMPTY,         NULL,                   ""                      },
7295   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
7296   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
7297
7298   { 0,                  NULL,                   NULL                    }
7299 };
7300
7301 static struct TokenInfo setup_info_game[] =
7302 {
7303   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
7304   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
7305   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
7306   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
7307   { TYPE_STRING,        &network_server_text,   ""                      },
7308   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
7309   { TYPE_ENTER_LIST,    execSetupChooseScoresType,"Scores in Highscore List:" },
7310   { TYPE_STRING,        &scores_type_text,      ""                      },
7311   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload Tapes to Server" },
7312   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
7313   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
7314   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
7315   { TYPE_SWITCH,        &setup.handicap,        "Force Solving Levels:" },
7316   { TYPE_SWITCH,        &setup.skip_levels,     "Allow Skipping Levels:" },
7317   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
7318   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
7319   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
7320   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
7321   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
7322   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
7323   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
7324   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
7325   { TYPE_SWITCH,        &setup.auto_pause_on_start, "Start Game in Pause Mode:" },
7326   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
7327   { TYPE_STRING,        &game_speed_text,       ""                      },
7328   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
7329 #if 1
7330   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7331   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7332 #endif
7333   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
7334   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
7335   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
7336   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
7337   { TYPE_EMPTY,         NULL,                   ""                      },
7338   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7339
7340   { 0,                  NULL,                   NULL                    }
7341 };
7342
7343 static struct TokenInfo setup_info_engines[] =
7344 {
7345   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
7346   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
7347   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
7348   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
7349   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
7350   { TYPE_EMPTY,         NULL,                   ""                      },
7351   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
7352   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
7353   { TYPE_EMPTY,         NULL,                   ""                      },
7354   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7355
7356   { 0,                  NULL,                   NULL                    }
7357 };
7358
7359 static struct TokenInfo setup_info_editor[] =
7360 {
7361 #if 0
7362   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
7363   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
7364   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
7365   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
7366   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
7367   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
7368   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
7369   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
7370   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
7371   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
7372 #endif
7373   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
7374   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
7375 #if 0
7376   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
7377 #endif
7378   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
7379   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
7380   { TYPE_EMPTY,         NULL,                   ""                      },
7381 #if 0
7382   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
7383   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
7384   { TYPE_EMPTY,         NULL,                   ""                      },
7385 #endif
7386   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
7387   { TYPE_EMPTY,         NULL,                   ""                      },
7388   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
7389   { TYPE_EMPTY,         NULL,                   ""                      },
7390   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7391
7392   { 0,                  NULL,                   NULL                    }
7393 };
7394
7395 static struct TokenInfo setup_info_graphics[] =
7396 {
7397 #if !defined(PLATFORM_ANDROID) && !defined(PLATFORM_EMSCRIPTEN)
7398   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7399   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7400   { TYPE_STRING,        &window_size_text,      ""                      },
7401   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7402   { TYPE_STRING,        &scaling_type_text,     ""                      },
7403   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7404   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7405 #endif
7406 #if 0
7407   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7408   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7409 #endif
7410 #if !defined(PLATFORM_EMSCRIPTEN)
7411   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7412   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7413 #endif
7414   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7415   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7416   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7417   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7418   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7419   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7420   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7421   { TYPE_EMPTY,         NULL,                   ""                      },
7422   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7423
7424   { 0,                  NULL,                   NULL                    }
7425 };
7426
7427 static struct TokenInfo setup_info_sound[] =
7428 {
7429   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7430   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7431   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7432   { TYPE_EMPTY,         NULL,                   ""                      },
7433   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7434   { TYPE_STRING,        &volume_simple_text,    ""                      },
7435   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7436   { TYPE_STRING,        &volume_loops_text,     ""                      },
7437   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7438   { TYPE_STRING,        &volume_music_text,     ""                      },
7439   { TYPE_EMPTY,         NULL,                   ""                      },
7440   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7441
7442   { 0,                  NULL,                   NULL                    }
7443 };
7444
7445 static struct TokenInfo setup_info_artwork[] =
7446 {
7447   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7448   { TYPE_STRING,        &graphics_set_name,     ""                      },
7449   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7450   { TYPE_STRING,        &sounds_set_name,       ""                      },
7451   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7452   { TYPE_STRING,        &music_set_name,        ""                      },
7453   { TYPE_EMPTY,         NULL,                   ""                      },
7454   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7455   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7456   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7457   { TYPE_EMPTY,         NULL,                   ""                      },
7458   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7459
7460   { 0,                  NULL,                   NULL                    }
7461 };
7462
7463 static struct TokenInfo setup_info_input[] =
7464 {
7465   { TYPE_SWITCH,        NULL,                   "Player:"               },
7466   { TYPE_SWITCH,        NULL,                   "Device:"               },
7467   { TYPE_SWITCH,        NULL,                   ""                      },
7468   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7469   { TYPE_EMPTY,         NULL,                   ""                      },
7470   { TYPE_EMPTY,         NULL,                   ""                      },
7471   { TYPE_EMPTY,         NULL,                   ""                      },
7472   { TYPE_EMPTY,         NULL,                   ""                      },
7473   { TYPE_EMPTY,         NULL,                   ""                      },
7474   { TYPE_EMPTY,         NULL,                   ""                      },
7475   { TYPE_EMPTY,         NULL,                   ""                      },
7476   { TYPE_EMPTY,         NULL,                   ""                      },
7477   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7478   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7479
7480   { 0,                  NULL,                   NULL                    }
7481 };
7482
7483 static struct TokenInfo setup_info_touch[] =
7484 {
7485   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7486   { TYPE_STRING,        &touch_controls_text,   ""                      },
7487   { TYPE_EMPTY,         NULL,                   ""                      },
7488   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7489
7490   { 0,                  NULL,                   NULL                    }
7491 };
7492
7493 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7494 {
7495   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7496   { TYPE_STRING,        &touch_controls_text,   ""                      },
7497   { TYPE_EMPTY,         NULL,                   ""                      },
7498   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7499   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7500   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7501   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7502   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7503   { TYPE_STRING,        &transparency_text,     ""                      },
7504   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7505   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7506   { TYPE_EMPTY,         NULL,                   ""                      },
7507   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7508   { TYPE_EMPTY,         NULL,                   ""                      },
7509   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7510
7511   { 0,                  NULL,                   NULL                    }
7512 };
7513
7514 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7515 {
7516   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7517   { TYPE_STRING,        &touch_controls_text,   ""                      },
7518   { TYPE_EMPTY,         NULL,                   ""                      },
7519   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7520   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7521   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7522   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7523   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7524   { TYPE_STRING,        &transparency_text,     ""                      },
7525   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7526   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7527   { TYPE_EMPTY,         NULL,                   ""                      },
7528   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7529   { TYPE_EMPTY,         NULL,                   ""                      },
7530   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7531
7532   { 0,                  NULL,                   NULL                    }
7533 };
7534
7535 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7536 {
7537   setup_info_touch_virtual_buttons_0,
7538   setup_info_touch_virtual_buttons_1
7539 };
7540
7541 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7542 {
7543   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7544   { TYPE_STRING,        &touch_controls_text,   ""                      },
7545   { TYPE_EMPTY,         NULL,                   ""                      },
7546   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7547   { TYPE_STRING,        &move_distance_text,    ""                      },
7548   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7549   { TYPE_STRING,        &drop_distance_text,    ""                      },
7550   { TYPE_EMPTY,         NULL,                   ""                      },
7551   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7552
7553   { 0,                  NULL,                   NULL                    }
7554 };
7555
7556 static struct TokenInfo setup_info_shortcuts[] =
7557 {
7558   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7559   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7560   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7561   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7562   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7563   { TYPE_EMPTY,         NULL,                   ""                      },
7564   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7565
7566   { 0,                  NULL,                   NULL                    }
7567 };
7568
7569 static struct TokenInfo setup_info_shortcuts_1[] =
7570 {
7571   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7572   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7573   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7574   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7575   { TYPE_KEYTEXT,       NULL,           "Restart Game:",                },
7576   { TYPE_KEY,           &setup.shortcut.restart_game, ""                },
7577   { TYPE_KEYTEXT,       NULL,           "Replay & Pause Before End:",   },
7578   { TYPE_KEY,           &setup.shortcut.pause_before_end, ""            },
7579   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7580   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7581   { TYPE_EMPTY,         NULL,                   ""                      },
7582   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7583   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7584   { TYPE_EMPTY,         NULL,                   ""                      },
7585   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7586
7587   { 0,                  NULL,                   NULL                    }
7588 };
7589
7590 static struct TokenInfo setup_info_shortcuts_2[] =
7591 {
7592   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7593   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7594   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7595   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7596   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7597   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7598   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7599   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7600   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7601   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7602   { TYPE_EMPTY,         NULL,                   ""                      },
7603   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7604
7605   { 0,                  NULL,                   NULL                    }
7606 };
7607
7608 static struct TokenInfo setup_info_shortcuts_3[] =
7609 {
7610   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7611   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7612   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7613   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7614   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7615   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7616   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7617   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7618   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7619   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7620   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7621   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7622   { TYPE_EMPTY,         NULL,                   ""                      },
7623   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7624
7625   { 0,                  NULL,                   NULL                    }
7626 };
7627
7628 static struct TokenInfo setup_info_shortcuts_4[] =
7629 {
7630   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7631   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7632   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7633   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7634   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7635   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7636   { TYPE_EMPTY,         NULL,                   ""                      },
7637   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7638
7639   { 0,                  NULL,                   NULL                    }
7640 };
7641
7642 static struct TokenInfo setup_info_shortcuts_5[] =
7643 {
7644   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7645   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7646   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7647   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7648   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7649   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7650   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7651   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7652   { TYPE_EMPTY,         NULL,                   ""                      },
7653   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7654
7655   { 0,                  NULL,                   NULL                    }
7656 };
7657
7658 static Key getSetupKey(void)
7659 {
7660   Key key = KSYM_UNDEFINED;
7661   boolean got_key_event = FALSE;
7662
7663   while (!got_key_event)
7664   {
7665     Event event;
7666
7667     if (NextValidEvent(&event))
7668     {
7669       switch (event.type)
7670       {
7671         case EVENT_KEYPRESS:
7672           {
7673             key = GetEventKey((KeyEvent *)&event, TRUE);
7674
7675             // press 'Escape' or 'Enter' to keep the existing key binding
7676             if (key == KSYM_Escape || key == KSYM_Return)
7677               key = KSYM_UNDEFINED;     // keep old value
7678
7679             got_key_event = TRUE;
7680           }
7681           break;
7682
7683         case EVENT_KEYRELEASE:
7684           key_joystick_mapping = 0;
7685           break;
7686
7687         default:
7688           HandleOtherEvents(&event);
7689           break;
7690       }
7691     }
7692
7693     BackToFront();
7694   }
7695
7696   return key;
7697 }
7698
7699 static int getSetupValueFont(int type, void *value)
7700 {
7701   if (type & TYPE_GHOSTED)
7702     return FONT_OPTION_OFF;
7703   else if (type & TYPE_KEY)
7704     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7705   else if (type & TYPE_STRING)
7706     return FONT_VALUE_2;
7707   else if (type & TYPE_ECS_AGA)
7708     return FONT_VALUE_1;
7709   else if (type & TYPE_BOOLEAN_STYLE)
7710     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7711   else if (type & TYPE_YES_NO_AUTO)
7712     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7713             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7714   else if (type & TYPE_PLAYER)
7715     return FONT_VALUE_1;
7716   else
7717     return FONT_VALUE_1;
7718 }
7719
7720 static int getSetupValueFontNarrow(int type, int font_nr)
7721 {
7722   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7723           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7724           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7725           font_nr);
7726 }
7727
7728 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7729 {
7730   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7731   struct TokenInfo *si = &setup_info[si_pos];
7732   boolean font_draw_xoffset_modified = FALSE;
7733   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7734   int font_draw_xoffset_old = -1;
7735   int xoffset = (scrollbar_needed ? -1 : 0);
7736   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7737   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7738   int xpos = menu_screen_value_xpos;
7739   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7740   int startx = mSX + xpos * 32;
7741   int starty = mSY + ypos * 32;
7742   int type = si->type;
7743   void *value = si->value;
7744   char *value_string = getSetupValue(type, value);
7745   int font_nr_default = getSetupValueFont(type, value);
7746   int font_width_default = getFontWidth(font_nr_default);
7747   int font_nr = font_nr_default;
7748   int i;
7749
7750   if (value_string == NULL)
7751     return;
7752
7753   if (type & TYPE_KEY)
7754   {
7755     xpos = MENU_SCREEN_START_XPOS;
7756
7757     if (type & TYPE_QUERY)
7758       value_string = "<press key>";
7759   }
7760   else if (type & TYPE_STRING)
7761   {
7762     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7763
7764     xpos = MENU_SCREEN_START_XPOS;
7765
7766     if (strlen(value_string) > max_value_len)
7767       value_string[max_value_len] = '\0';
7768   }
7769   else if (type & TYPE_YES_NO_AUTO)
7770   {
7771     xpos = menu_screen_value_xpos - 1;
7772   }
7773   else if (type & TYPE_PLAYER)
7774   {
7775     int displayed_player_nr = *(int *)value + 1;
7776
7777     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7778   }
7779
7780   startx = mSX + xpos * 32;
7781   starty = mSY + ypos * 32;
7782
7783   // special check if right-side setup values moved left due to scrollbar
7784   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7785   {
7786     int max_menu_text_length = 26;      // maximum text length for classic menu
7787     int font_xoffset = getFontDrawOffsetX(font_nr);
7788     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7789     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7790     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7791     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7792
7793     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7794     {
7795       // when using narrow font, left-shifting text "auto" not needed
7796       if (type & TYPE_YES_NO_AUTO)
7797         xpos += 1;
7798
7799       xpos += 1;
7800       startx = mSX + xpos * 32;
7801
7802       font_nr = getSetupValueFontNarrow(type, font_nr);
7803     }
7804   }
7805
7806   // downward compatibility correction for Juergen Bonhagen's menu settings
7807   if (setup_mode != SETUP_MODE_INPUT)
7808   {
7809     int max_menu_text_length_big = (menu_screen_value_xpos -
7810                                     MENU_SCREEN_START_XPOS);
7811     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7812     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7813     int font1_xoffset = getFontDrawOffsetX(font_nr);
7814     int font2_xoffset = getFontDrawOffsetX(check_font_nr);
7815     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7816     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7817     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7818     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7819     boolean correct_font_draw_xoffset = FALSE;
7820
7821     if (xpos == MENU_SCREEN_START_XPOS &&
7822         startx + font1_xoffset < text_startx + text_font_xoffset)
7823       correct_font_draw_xoffset = TRUE;
7824
7825     if (xpos == menu_screen_value_xpos &&
7826         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7827       correct_font_draw_xoffset = TRUE;
7828
7829     // check if setup value would overlap with setup text when printed
7830     // (this can happen for extreme/wrong values for font draw offset)
7831     if (correct_font_draw_xoffset)
7832     {
7833       font_draw_xoffset_old = getFontDrawOffsetX(font_nr);
7834       font_draw_xoffset_modified = TRUE;
7835
7836       if (type & TYPE_KEY)
7837         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7838       else if (!(type & TYPE_STRING))
7839         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7840           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7841     }
7842   }
7843
7844   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7845     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7846
7847   DrawText(startx, starty, value_string, font_nr);
7848
7849   if (type & TYPE_PLAYER)
7850   {
7851     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7852     int player_nr = *(int *)value;
7853     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7854     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7855     int startx2 = startx + xoff;
7856     int starty2 = starty + yoff;
7857
7858     if (DrawingOnBackground(startx2, starty2))
7859       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7860
7861     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7862                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7863   }
7864
7865   if (font_draw_xoffset_modified)
7866     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7867 }
7868
7869 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7870 {
7871   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7872   struct TokenInfo *si = &setup_info[si_pos];
7873
7874   if (si->type & TYPE_BOOLEAN_STYLE)
7875   {
7876     *(boolean *)si->value ^= TRUE;
7877   }
7878   else if (si->type & TYPE_YES_NO_AUTO)
7879   {
7880     *(int *)si->value =
7881       (dx == -1 ?
7882        (*(int *)si->value == AUTO ? TRUE :
7883         *(int *)si->value == TRUE ? FALSE : AUTO) :
7884        (*(int *)si->value == TRUE ? AUTO :
7885         *(int *)si->value == AUTO ? FALSE : TRUE));
7886   }
7887   else if (si->type & TYPE_KEY)
7888   {
7889     Key key;
7890
7891     si->type |= TYPE_QUERY;
7892     drawSetupValue(screen_pos, setup_info_pos_raw);
7893     si->type &= ~TYPE_QUERY;
7894
7895     key = getSetupKey();
7896     if (key != KSYM_UNDEFINED)
7897       *(Key *)si->value = key;
7898   }
7899   else if (si->type & TYPE_PLAYER)
7900   {
7901     int player_nr = *(int *)si->value;
7902
7903     if (dx)
7904       player_nr += dx;
7905     else
7906       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7907
7908     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7909   }
7910
7911   drawSetupValue(screen_pos, setup_info_pos_raw);
7912
7913   // fullscreen state may have changed at this point
7914   if (si->value == &setup.fullscreen)
7915     ToggleFullscreenIfNeeded();
7916
7917   // network mode may have changed at this point
7918   if (si->value == &setup.network_mode)
7919     ToggleNetworkModeIfNeeded();
7920
7921   // API server mode may have changed at this point
7922   if (si->value == &setup.use_api_server)
7923     ToggleUseApiServerIfNeeded();
7924
7925   // game speed list may have changed at this point
7926   if (si->value == &setup.game_speed_extended)
7927     ToggleGameSpeedsListIfNeeded();
7928 }
7929
7930 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7931 {
7932   static struct TokenInfo *setup_info_final = NULL;
7933   int list_size = 0;
7934   int list_pos = 0;
7935   int i;
7936
7937   // determine maximum list size of target list
7938   while (setup_info_orig[list_size++].type != 0);
7939
7940   // free, allocate and clear memory for target list
7941   checked_free(setup_info_final);
7942   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7943
7944   // copy setup info list without setup entries marked as hidden
7945   for (i = 0; setup_info_orig[i].type != 0; i++)
7946   {
7947     // skip setup entries configured to be hidden
7948     if (hideSetupEntry(setup_info_orig[i].value))
7949       continue;
7950
7951     // skip skippable setup entries if screen is lower than usual
7952     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7953         setup_info_orig[i].type == TYPE_SKIPPABLE)
7954       continue;
7955
7956     setup_info_final[list_pos++] = setup_info_orig[i];
7957   }
7958
7959   return setup_info_final;
7960 }
7961
7962 static void DrawSetupScreen_Generic(void)
7963 {
7964   int fade_mask = REDRAW_FIELD;
7965   boolean redraw_all = FALSE;
7966   char *title_string = NULL;
7967   int i;
7968
7969   if (CheckFadeAll())
7970     fade_mask = REDRAW_ALL;
7971
7972   UnmapAllGadgets();
7973   FadeMenuSoundsAndMusic();
7974
7975   FreeScreenGadgets();
7976   CreateScreenGadgets();
7977
7978   if (redraw_mask & REDRAW_ALL)
7979     redraw_all = TRUE;
7980
7981   FadeOut(fade_mask);
7982
7983   // needed if different viewport properties defined for setup screen
7984   ChangeViewportPropertiesIfNeeded();
7985
7986   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7987
7988   ClearField();
7989
7990   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7991
7992   if (setup_mode == SETUP_MODE_MAIN)
7993   {
7994     setup_info = setup_info_main;
7995     title_string = STR_SETUP_MAIN;
7996   }
7997   else if (setup_mode == SETUP_MODE_GAME)
7998   {
7999     setup_info = setup_info_game;
8000     title_string = STR_SETUP_GAME;
8001   }
8002   else if (setup_mode == SETUP_MODE_ENGINES)
8003   {
8004     setup_info = setup_info_engines;
8005     title_string = STR_SETUP_ENGINES;
8006   }
8007   else if (setup_mode == SETUP_MODE_EDITOR)
8008   {
8009     setup_info = setup_info_editor;
8010     title_string = STR_SETUP_EDITOR;
8011   }
8012   else if (setup_mode == SETUP_MODE_GRAPHICS)
8013   {
8014     setup_info = setup_info_graphics;
8015     title_string = STR_SETUP_GRAPHICS;
8016   }
8017   else if (setup_mode == SETUP_MODE_SOUND)
8018   {
8019     setup_info = setup_info_sound;
8020     title_string = STR_SETUP_SOUND;
8021   }
8022   else if (setup_mode == SETUP_MODE_ARTWORK)
8023   {
8024     setup_info = setup_info_artwork;
8025     title_string = STR_SETUP_ARTWORK;
8026   }
8027   else if (setup_mode == SETUP_MODE_TOUCH)
8028   {
8029     setup_info = setup_info_touch;
8030     title_string = STR_SETUP_TOUCH;
8031
8032     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
8033       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
8034     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
8035       setup_info = setup_info_touch_wipe_gestures;
8036   }
8037   else if (setup_mode == SETUP_MODE_SHORTCUTS)
8038   {
8039     setup_info = setup_info_shortcuts;
8040     title_string = STR_SETUP_SHORTCUTS;
8041   }
8042   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
8043   {
8044     setup_info = setup_info_shortcuts_1;
8045     title_string = STR_SETUP_SHORTCUTS;
8046   }
8047   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
8048   {
8049     setup_info = setup_info_shortcuts_2;
8050     title_string = STR_SETUP_SHORTCUTS;
8051   }
8052   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
8053   {
8054     setup_info = setup_info_shortcuts_3;
8055     title_string = STR_SETUP_SHORTCUTS;
8056   }
8057   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
8058   {
8059     setup_info = setup_info_shortcuts_4;
8060     title_string = STR_SETUP_SHORTCUTS;
8061   }
8062   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
8063   {
8064     setup_info = setup_info_shortcuts_5;
8065     title_string = STR_SETUP_SHORTCUTS;
8066   }
8067
8068   // use modified setup info without setup entries marked as hidden
8069   setup_info = getSetupInfoFinal(setup_info);
8070
8071   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
8072
8073   // determine maximal number of setup entries that can be displayed on screen
8074   num_setup_info = 0;
8075   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
8076     num_setup_info++;
8077
8078   // determine maximal number of setup entries available for this setup screen
8079   max_setup_info = 0;
8080   for (i = 0; setup_info[i].type != 0; i++)
8081     max_setup_info++;
8082
8083   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
8084
8085   MapScreenGadgets(max_setup_info);
8086
8087   if (redraw_all)
8088     redraw_mask = fade_mask = REDRAW_ALL;
8089
8090   DrawMaskedBorder(fade_mask);
8091
8092   FadeIn(fade_mask);
8093 }
8094
8095 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
8096 {
8097   menu_info = setup_info;
8098
8099   HandleMenuScreen(mx, my, dx, dy, button,
8100                    setup_mode, num_setup_info, max_setup_info);
8101 }
8102
8103 static void DrawSetupScreen_Input(void)
8104 {
8105   int i;
8106
8107   FadeOut(REDRAW_FIELD);
8108
8109   ClearField();
8110
8111   setup_info = getSetupInfoFinal(setup_info_input);
8112
8113   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
8114
8115   for (i = 0; setup_info[i].type != 0; i++)
8116   {
8117     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
8118       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
8119     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
8120       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
8121     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
8122       initCursor(i, IMG_MENU_BUTTON);
8123
8124     DrawCursorAndText_Setup(i, -1, FALSE);
8125   }
8126
8127   // create gadgets for setup input menu screen
8128   FreeScreenGadgets();
8129   CreateScreenGadgets();
8130
8131   // map gadgets for setup input menu screen
8132   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
8133
8134   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
8135
8136   FadeIn(REDRAW_FIELD);
8137 }
8138
8139 static void setJoystickDeviceToNr(char *device_name, int device_nr)
8140 {
8141   if (device_name == NULL)
8142     return;
8143
8144   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
8145     device_nr = 0;
8146
8147   if (strlen(device_name) > 1)
8148   {
8149     char c1 = device_name[strlen(device_name) - 1];
8150     char c2 = device_name[strlen(device_name) - 2];
8151
8152     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
8153       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
8154   }
8155   else
8156     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
8157             strlen(device_name));
8158 }
8159
8160 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
8161 {
8162   int i;
8163   static struct SetupKeyboardInfo custom_key;
8164   static struct
8165   {
8166     Key *key;
8167     char *text;
8168   } custom[] =
8169   {
8170     { &custom_key.left,  "Axis/Pad Left"  },
8171     { &custom_key.right, "Axis/Pad Right" },
8172     { &custom_key.up,    "Axis/Pad Up"    },
8173     { &custom_key.down,  "Axis/Pad Down"  },
8174     { &custom_key.snap,  "Button 1/A/X"   },
8175     { &custom_key.drop,  "Button 2/B/Y"   }
8176   };
8177   static char *joystick_name[MAX_PLAYERS] =
8178   {
8179     "Joystick1",
8180     "Joystick2",
8181     "Joystick3",
8182     "Joystick4"
8183   };
8184   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
8185   int font_nr_info = FONT_MENU_1;
8186   int font_nr_name = FONT_VALUE_OLD;
8187   int font_nr_on   = FONT_VALUE_1;
8188   int font_nr_off  = FONT_VALUE_OLD;
8189   int pos = 4;
8190
8191   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8192   {
8193     font_nr_info = FONT_MENU_2;
8194     font_nr_on   = FONT_VALUE_NARROW;
8195     font_nr_off  = FONT_VALUE_OLD_NARROW;
8196   }
8197
8198   custom_key = setup.input[player_nr].key;
8199
8200   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
8201            FONT_INPUT_1_ACTIVE);
8202
8203   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8204                              TILEX, TILEY);
8205   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8206                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8207
8208   if (setup.input[player_nr].use_joystick)
8209   {
8210     char *device_name = setup.input[player_nr].joy.device_name;
8211     int joystick_nr = getJoystickNrFromDeviceName(device_name);
8212     boolean joystick_active = CheckJoystickOpened(joystick_nr);
8213     char *text = joystick_name[joystick_nr];
8214     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
8215
8216     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
8217     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
8218   }
8219   else
8220   {
8221     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
8222     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
8223   }
8224
8225   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
8226     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
8227   else
8228     pos = 3;
8229
8230   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
8231   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
8232   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
8233   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
8234
8235   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
8236   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
8237   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
8238   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
8239   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
8240   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
8241
8242   for (i = 0; i < 6; i++)
8243   {
8244     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
8245
8246     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8247              "              ", font_nr_on);
8248     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8249              (setup.input[player_nr].use_joystick ?
8250               custom[i].text :
8251               getKeyNameFromKey(*custom[i].key)), font_nr_on);
8252   }
8253 }
8254
8255 static int input_player_nr = 0;
8256
8257 static void HandleSetupScreen_Input_Player(int step, int direction)
8258 {
8259   int old_player_nr = input_player_nr;
8260   int new_player_nr;
8261
8262   new_player_nr = old_player_nr + step * direction;
8263   if (new_player_nr < 0)
8264     new_player_nr = 0;
8265   if (new_player_nr > MAX_PLAYERS - 1)
8266     new_player_nr = MAX_PLAYERS - 1;
8267
8268   if (new_player_nr != old_player_nr)
8269   {
8270     input_player_nr = new_player_nr;
8271
8272     drawPlayerSetupInputInfo(input_player_nr, FALSE);
8273   }
8274 }
8275
8276 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
8277 {
8278   static int choice = 0;
8279   int x = 0;
8280   int y = choice;
8281   int pos_start  = SETUPINPUT_SCREEN_POS_START;
8282   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
8283   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
8284   int pos_end    = SETUPINPUT_SCREEN_POS_END;
8285
8286   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
8287   {
8288     int i;
8289
8290     for (i = 0; setup_info_input[i].type != 0; i++)
8291     {
8292       // adjust menu structure according to skipped setup entries
8293       if (setup_info_input[i].type == TYPE_SKIPPABLE)
8294       {
8295         pos_empty2--;
8296         pos_end--;
8297       }
8298     }
8299   }
8300
8301   if (button == MB_MENU_INITIALIZE)
8302   {
8303     // input setup menu may have changed size due to graphics configuration
8304     if (choice >= pos_empty1)
8305       choice = pos_end;
8306
8307     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
8308
8309     DrawCursorAndText_Setup(choice, -1, TRUE);
8310
8311     return;
8312   }
8313   else if (button == MB_MENU_LEAVE)
8314   {
8315     setup_mode = SETUP_MODE_MAIN;
8316     DrawSetupScreen();
8317     InitJoysticks();
8318
8319     return;
8320   }
8321
8322   if (mx || my)         // mouse input
8323   {
8324     x = (mx - mSX) / 32;
8325     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
8326   }
8327   else if (dx || dy)    // keyboard input
8328   {
8329     if (dx && choice == 0)
8330       x = (dx < 0 ? 10 : 12);
8331     else if ((dx && choice == 1) ||
8332              (dx == -1 && choice == pos_end))
8333       button = MB_MENU_CHOICE;
8334     else if (dy)
8335       y = choice + dy;
8336
8337     if (y >= pos_empty1 && y <= pos_empty2)
8338       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8339   }
8340
8341   if (y == 0 && dx != 0 && button)
8342   {
8343     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8344   }
8345   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8346            y >= pos_start && y <= pos_end &&
8347            !(y >= pos_empty1 && y <= pos_empty2))
8348   {
8349     if (button)
8350     {
8351       if (y != choice)
8352       {
8353         DrawCursorAndText_Setup(choice, -1, FALSE);
8354         DrawCursorAndText_Setup(y, -1, TRUE);
8355
8356         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8357
8358         choice = y;
8359       }
8360     }
8361     else
8362     {
8363       if (y == 1)
8364       {
8365         char *device_name = setup.input[input_player_nr].joy.device_name;
8366
8367         if (!setup.input[input_player_nr].use_joystick)
8368         {
8369           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8370
8371           setJoystickDeviceToNr(device_name, new_device_nr);
8372           setup.input[input_player_nr].use_joystick = TRUE;
8373         }
8374         else
8375         {
8376           int device_nr = getJoystickNrFromDeviceName(device_name);
8377           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8378
8379           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8380             setup.input[input_player_nr].use_joystick = FALSE;
8381           else
8382             setJoystickDeviceToNr(device_name, new_device_nr);
8383         }
8384
8385         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8386       }
8387       else if (y == 2)
8388       {
8389         if (setup.input[input_player_nr].use_joystick)
8390           ConfigureJoystick(input_player_nr);
8391         else
8392           CustomizeKeyboard(input_player_nr);
8393       }
8394       else if (y == pos_end)
8395       {
8396         InitJoysticks();
8397
8398         FadeSetLeaveMenu();
8399
8400         setup_mode = SETUP_MODE_MAIN;
8401         DrawSetupScreen();
8402       }
8403     }
8404   }
8405 }
8406
8407 static boolean CustomizeKeyboardMain(int player_nr)
8408 {
8409   int i;
8410   int step_nr;
8411   boolean finished = FALSE;
8412   static struct SetupKeyboardInfo custom_key;
8413   static struct
8414   {
8415     Key *key;
8416     char *text;
8417   } customize_step[] =
8418   {
8419     { &custom_key.left,  "Move Left"    },
8420     { &custom_key.right, "Move Right"   },
8421     { &custom_key.up,    "Move Up"      },
8422     { &custom_key.down,  "Move Down"    },
8423     { &custom_key.snap,  "Snap Field"   },
8424     { &custom_key.drop,  "Drop Element" }
8425   };
8426   int font_nr_old = FONT_VALUE_OLD;
8427   int font_nr_new = FONT_VALUE_1;
8428   boolean success = FALSE;
8429
8430   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8431   {
8432     font_nr_old = FONT_VALUE_OLD_NARROW;
8433     font_nr_new = FONT_VALUE_NARROW;
8434   }
8435
8436   // read existing key bindings from player setup
8437   custom_key = setup.input[player_nr].key;
8438
8439   FadeSetEnterMenu();
8440   FadeOut(REDRAW_FIELD);
8441
8442   ClearField();
8443
8444   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8445
8446   step_nr = 0;
8447   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8448            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8449   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8450            "Key:", FONT_INPUT_1_ACTIVE);
8451   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8452            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8453
8454   FadeIn(REDRAW_FIELD);
8455
8456   while (!finished)
8457   {
8458     Event event;
8459
8460     if (NextValidEvent(&event))
8461     {
8462       switch (event.type)
8463       {
8464         case EVENT_KEYPRESS:
8465           {
8466             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8467
8468             // press 'Escape' to abort and keep the old key bindings
8469             if (key == KSYM_Escape)
8470             {
8471               FadeSkipNextFadeIn();
8472
8473               finished = TRUE;
8474
8475               break;
8476             }
8477
8478             // press 'Enter' to keep the existing key binding
8479             if (key == KSYM_Return)
8480               key = *customize_step[step_nr].key;
8481
8482             // check if key already used
8483             for (i = 0; i < step_nr; i++)
8484               if (*customize_step[i].key == key)
8485                 break;
8486             if (i < step_nr)
8487               break;
8488
8489             // got new key binding
8490             *customize_step[step_nr].key = key;
8491             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8492                      "             ", font_nr_new);
8493             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8494                      getKeyNameFromKey(key), font_nr_new);
8495             step_nr++;
8496
8497             // un-highlight last query
8498             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8499                      customize_step[step_nr - 1].text, FONT_MENU_1);
8500             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8501                      "Key:", FONT_MENU_1);
8502
8503             // all keys configured
8504             if (step_nr == 6)
8505             {
8506               finished = TRUE;
8507               success = TRUE;
8508
8509               break;
8510             }
8511
8512             // query next key binding
8513             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8514                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8515             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8516                      "Key:", FONT_INPUT_1_ACTIVE);
8517             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8518                      getKeyNameFromKey(*customize_step[step_nr].key),
8519                      font_nr_old);
8520           }
8521           break;
8522
8523         case EVENT_KEYRELEASE:
8524           key_joystick_mapping = 0;
8525           break;
8526
8527         default:
8528           HandleOtherEvents(&event);
8529           break;
8530       }
8531     }
8532
8533     BackToFront();
8534   }
8535
8536   // write new key bindings back to player setup, if successfully finished
8537   if (success)
8538     setup.input[player_nr].key = custom_key;
8539
8540   return success;
8541 }
8542
8543 void CustomizeKeyboard(int player_nr)
8544 {
8545   boolean success = CustomizeKeyboardMain(player_nr);
8546
8547   if (success)
8548   {
8549     int font_nr = FONT_TITLE_1;
8550     int font_height = getFontHeight(font_nr);
8551     int ypos1 = SYSIZE / 2 - font_height * 2;
8552     int ypos2 = SYSIZE / 2 - font_height * 1;
8553     unsigned int wait_frame_delay = 0;
8554     unsigned int wait_frame_delay_value = 2000;
8555
8556     ResetDelayCounter(&wait_frame_delay);
8557
8558     ClearField();
8559
8560     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8561     DrawTextSCentered(ypos2, font_nr, "configured!");
8562
8563     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8564       BackToFront();
8565
8566     ClearEventQueue();
8567   }
8568
8569   DrawSetupScreen_Input();
8570 }
8571
8572 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8573
8574 #define MARKER_BUTTON           1
8575 #define MARKER_AXIS_X           2
8576 #define MARKER_AXIS_Y           3
8577
8578 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8579 {
8580   static boolean bitmaps_initialized = FALSE;
8581   boolean screen_initialized = FALSE;
8582   static Bitmap *controller, *button, *axis_x, *axis_y;
8583   char *name;
8584   boolean success = TRUE;
8585   boolean done = FALSE, next = FALSE;
8586   Event event;
8587   int alpha = 200, alpha_step = -1;
8588   int alpha_ticks = 0;
8589   char mapping[4096], temp[256];
8590   int font_name = MENU_SETUP_FONT_TITLE;
8591   int font_info = MENU_SETUP_FONT_TEXT;
8592   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8593   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8594   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8595   int ystep_name = getMenuTextStep(spacing_name, font_name);
8596   int ystep_line = getMenuTextStep(spacing_line, font_info);
8597   int ystep_para = getMenuTextStep(spacing_para, font_info);
8598   int i, j;
8599
8600   struct
8601   {
8602     int x, y;
8603     int marker;
8604     char *field;
8605     int axis, button, hat, hat_value;
8606     char mapping[4096];
8607   }
8608   *step, *prev_step, steps[] =
8609   {
8610     { 356, 155, MARKER_BUTTON, "a",             },
8611     { 396, 122, MARKER_BUTTON, "b",             },
8612     { 320, 125, MARKER_BUTTON, "x",             },
8613     { 358,  95, MARKER_BUTTON, "y",             },
8614     { 162, 125, MARKER_BUTTON, "back",          },
8615     { 216, 125, MARKER_BUTTON, "guide",         },
8616     { 271, 125, MARKER_BUTTON, "start",         },
8617     { 110, 200, MARKER_BUTTON, "dpleft",        },
8618     { 146, 228, MARKER_BUTTON, "dpdown",        },
8619     { 178, 200, MARKER_BUTTON, "dpright",       },
8620     { 146, 172, MARKER_BUTTON, "dpup",          },
8621     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8622     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8623     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8624     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8625     {  73, 141, MARKER_BUTTON, "leftstick",     },
8626     { 282, 210, MARKER_BUTTON, "rightstick",    },
8627     {  73, 141, MARKER_AXIS_X, "leftx",         },
8628     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8629     { 282, 210, MARKER_AXIS_X, "rightx",        },
8630     { 282, 210, MARKER_AXIS_Y, "righty",        },
8631   };
8632
8633   unsigned int event_frame_delay = 0;
8634   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
8635
8636   ResetDelayCounter(&event_frame_delay);
8637
8638   if (!bitmaps_initialized)
8639   {
8640     controller = LoadCustomImage("joystick/controller.png");
8641     button     = LoadCustomImage("joystick/button.png");
8642     axis_x     = LoadCustomImage("joystick/axis_x.png");
8643     axis_y     = LoadCustomImage("joystick/axis_y.png");
8644
8645     bitmaps_initialized = TRUE;
8646   }
8647
8648   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8649
8650 #if DEBUG_JOYSTICKS
8651   // print info about the joystick we are watching
8652   Debug("joystick", "watching joystick %d: (%s)",
8653         SDL_JoystickInstanceID(joystick), name);
8654   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8655         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8656         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8657 #endif
8658
8659   // initialize mapping with GUID and name
8660   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8661
8662   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8663            temp, name, SDL_GetPlatform());
8664
8665   // loop through all steps (buttons and axes), getting joystick events
8666   for (i = 0; i < SDL_arraysize(steps) && !done;)
8667   {
8668     Bitmap *marker = button;    // initialize with reliable default value
8669
8670     step = &steps[i];
8671     strcpy(step->mapping, mapping);
8672     step->axis = -1;
8673     step->button = -1;
8674     step->hat = -1;
8675     step->hat_value = -1;
8676
8677     marker = (step->marker == MARKER_BUTTON ? button :
8678               step->marker == MARKER_AXIS_X ? axis_x :
8679               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8680
8681     next = FALSE;
8682
8683     while (!done && !next)
8684     {
8685       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8686       alpha_ticks = SDL_GetTicks();
8687
8688       if (alpha >= 255)
8689       {
8690         alpha = 255;
8691         alpha_step = -1;
8692       }
8693       else if (alpha < 128)
8694       {
8695         alpha = 127;
8696         alpha_step = 1;
8697       }
8698
8699       int controller_x = SX + (SXSIZE - controller->width) / 2;
8700       int controller_y = SY + ystep_line;
8701
8702       int marker_x = controller_x + step->x;
8703       int marker_y = controller_y + step->y;
8704
8705       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8706       int ystart2 = ystart1 + ystep_name + ystep_line;
8707
8708       ClearField();
8709
8710       DrawTextSCentered(ystart1, font_name, name);
8711
8712       DrawTextSCentered(ystart2, font_info,
8713                         "Press buttons and move axes on");
8714       ystart2 += ystep_line;
8715       DrawTextSCentered(ystart2, font_info,
8716                         "your controller when indicated.");
8717       ystart2 += ystep_line;
8718       DrawTextSCentered(ystart2, font_info,
8719                         "(Your controller may look different.)");
8720       ystart2 += ystep_para;
8721
8722 #if defined(PLATFORM_ANDROID)
8723       DrawTextSCentered(ystart2, font_info,
8724                         "To correct a mistake,");
8725       ystart2 += ystep_line;
8726       DrawTextSCentered(ystart2, font_info,
8727                         "press the 'back' button.");
8728       ystart2 += ystep_line;
8729       DrawTextSCentered(ystart2, font_info,
8730                         "To skip a button or axis,");
8731       ystart2 += ystep_line;
8732       DrawTextSCentered(ystart2, font_info,
8733                         "press the 'menu' button.");
8734 #else
8735       DrawTextSCentered(ystart2, font_info,
8736                         "To correct a mistake,");
8737       ystart2 += ystep_line;
8738       DrawTextSCentered(ystart2, font_info,
8739                         "press the 'backspace' key.");
8740       ystart2 += ystep_line;
8741       DrawTextSCentered(ystart2, font_info,
8742                         "To skip a button or axis,");
8743       ystart2 += ystep_line;
8744       DrawTextSCentered(ystart2, font_info,
8745                         "press the 'return' key.");
8746       ystart2 += ystep_line;
8747       DrawTextSCentered(ystart2, font_info,
8748                         "To exit, press the 'escape' key.");
8749 #endif
8750
8751       BlitBitmapMasked(controller, drawto, 0, 0,
8752                        controller->width, controller->height,
8753                        controller_x, controller_y);
8754
8755       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8756       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8757
8758       BlitBitmapMasked(marker, drawto, 0, 0,
8759                        marker->width, marker->height,
8760                        marker_x, marker_y);
8761
8762       if (!screen_initialized)
8763         FadeIn(REDRAW_FIELD);
8764       else
8765         BackToFront();
8766
8767       screen_initialized = TRUE;
8768
8769       while (NextValidEvent(&event))
8770       {
8771         switch (event.type)
8772         {
8773           case SDL_JOYAXISMOTION:
8774             if (event.jaxis.value > 20000 ||
8775                 event.jaxis.value < -20000)
8776             {
8777               for (j = 0; j < i; j++)
8778                 if (steps[j].axis == event.jaxis.axis)
8779                   break;
8780
8781               if (j == i)
8782               {
8783                 if (step->marker != MARKER_AXIS_X &&
8784                     step->marker != MARKER_AXIS_Y)
8785                   break;
8786
8787                 step->axis = event.jaxis.axis;
8788                 strcat(mapping, step->field);
8789                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8790                 strcat(mapping, temp);
8791                 i++;
8792                 next = TRUE;
8793               }
8794             }
8795
8796             break;
8797
8798           case SDL_JOYHATMOTION:
8799             // ignore centering; we're probably just coming back
8800             // to the center from the previous item we set
8801             if (event.jhat.value == SDL_HAT_CENTERED)
8802               break;
8803
8804             for (j = 0; j < i; j++)
8805               if (steps[j].hat == event.jhat.hat &&
8806                   steps[j].hat_value == event.jhat.value)
8807                 break;
8808
8809             if (j == i)
8810             {
8811               step->hat = event.jhat.hat;
8812               step->hat_value = event.jhat.value;
8813               strcat(mapping, step->field);
8814               snprintf(temp, sizeof(temp), ":h%u.%u,",
8815                        event.jhat.hat, event.jhat.value );
8816               strcat(mapping, temp);
8817               i++;
8818               next = TRUE;
8819             }
8820
8821             break;
8822
8823           case SDL_JOYBALLMOTION:
8824             break;
8825
8826           case SDL_JOYBUTTONUP:
8827             for (j = 0; j < i; j++)
8828               if (steps[j].button == event.jbutton.button)
8829                 break;
8830
8831             if (j == i)
8832             {
8833               step->button = event.jbutton.button;
8834               strcat(mapping, step->field);
8835               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8836               strcat(mapping, temp);
8837               i++;
8838               next = TRUE;
8839             }
8840
8841             break;
8842
8843           case SDL_FINGERDOWN:
8844           case SDL_MOUSEBUTTONDOWN:
8845             // skip this step
8846             i++;
8847             next = TRUE;
8848
8849             break;
8850
8851           case SDL_KEYDOWN:
8852             if (event.key.keysym.sym == KSYM_BackSpace ||
8853                 event.key.keysym.sym == KSYM_Back)
8854             {
8855               if (i == 0)
8856               {
8857                 // leave screen
8858                 success = FALSE;
8859                 done = TRUE;
8860
8861                 break;
8862               }
8863
8864               // undo this step
8865               prev_step = &steps[i - 1];
8866               strcpy(mapping, prev_step->mapping);
8867               i--;
8868               next = TRUE;
8869
8870               break;
8871             }
8872
8873             if (event.key.keysym.sym == KSYM_space ||
8874                 event.key.keysym.sym == KSYM_Return ||
8875                 event.key.keysym.sym == KSYM_Menu)
8876             {
8877               // skip this step
8878               i++;
8879               next = TRUE;
8880
8881               break;
8882             }
8883
8884             if (event.key.keysym.sym == KSYM_Escape)
8885             {
8886               // leave screen
8887               success = FALSE;
8888               done = TRUE;
8889             }
8890
8891             break;
8892
8893           case SDL_QUIT:
8894             program.exit_function(0);
8895             break;
8896
8897           default:
8898             break;
8899         }
8900
8901         // do not handle events for longer than standard frame delay period
8902         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8903           break;
8904       }
8905     }
8906   }
8907
8908   if (success)
8909   {
8910 #if DEBUG_JOYSTICKS
8911     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8912 #endif
8913
8914     // activate mapping for this game
8915     SDL_GameControllerAddMapping(mapping);
8916
8917     // save mapping to personal mappings
8918     SaveSetup_AddGameControllerMapping(mapping);
8919   }
8920
8921   // wait until the last pending event was removed from event queue
8922   while (NextValidEvent(&event));
8923
8924   return success;
8925 }
8926
8927 static int ConfigureJoystickMain(int player_nr)
8928 {
8929   char *device_name = setup.input[player_nr].joy.device_name;
8930   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8931   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8932   int success = FALSE;
8933   int i;
8934
8935   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8936     return JOYSTICK_NOT_AVAILABLE;
8937
8938   if (!joystick_active || !setup.input[player_nr].use_joystick)
8939     return JOYSTICK_NOT_AVAILABLE;
8940
8941   FadeSetEnterMenu();
8942   FadeOut(REDRAW_FIELD);
8943
8944   // close all joystick devices (potentially opened as game controllers)
8945   for (i = 0; i < SDL_NumJoysticks(); i++)
8946     SDLCloseJoystick(i);
8947
8948   // open joystick device as plain joystick to configure as game controller
8949   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8950
8951   // as the joystick was successfully opened before, this should not happen
8952   if (joystick == NULL)
8953     return FALSE;
8954
8955   // create new game controller mapping (buttons and axes) for joystick device
8956   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8957
8958   // close joystick (and maybe re-open as configured game controller later)
8959   SDL_JoystickClose(joystick);
8960
8961   // re-open all joystick devices (potentially as game controllers)
8962   for (i = 0; i < SDL_NumJoysticks(); i++)
8963     SDLOpenJoystick(i);
8964
8965   // clear all joystick input actions for all joystick devices
8966   SDLClearJoystickState();
8967
8968   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8969 }
8970
8971 void ConfigureJoystick(int player_nr)
8972 {
8973   boolean state = ConfigureJoystickMain(player_nr);
8974
8975   if (state != JOYSTICK_NOT_CONFIGURED)
8976   {
8977     boolean success = (state == JOYSTICK_CONFIGURED);
8978     char message1[MAX_OUTPUT_LINESIZE + 1];
8979     char *message2 = (success ? "configured!" : "not available!");
8980     char *device_name = setup.input[player_nr].joy.device_name;
8981     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8982     int font_nr = FONT_TITLE_1;
8983     int font_height = getFontHeight(font_nr);
8984     int ypos1 = SYSIZE / 2 - font_height * 2;
8985     int ypos2 = SYSIZE / 2 - font_height * 1;
8986     unsigned int wait_frame_delay = 0;
8987     unsigned int wait_frame_delay_value = 2000;
8988
8989     ResetDelayCounter(&wait_frame_delay);
8990
8991     ClearField();
8992
8993     sprintf(message1, "Joystick %d", nr);
8994
8995     DrawTextSCentered(ypos1, font_nr, message1);
8996     DrawTextSCentered(ypos2, font_nr, message2);
8997
8998     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8999       BackToFront();
9000
9001     ClearEventQueue();
9002   }
9003
9004   DrawSetupScreen_Input();
9005 }
9006
9007 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
9008 {
9009   if (y < video.screen_height / 3)
9010   {
9011     // remap touch gadgets to access upper part of the screen
9012     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9013     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9014   }
9015   else if (y > 2 * video.screen_height / 3)
9016   {
9017     // remap touch gadgets to access lower part of the screen
9018     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9019     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9020   }
9021 }
9022
9023 static boolean ConfigureVirtualButtonsMain(void)
9024 {
9025   static char *customize_step_text[] =
9026   {
9027     "Move Left",
9028     "Move Right",
9029     "Move Up",
9030     "Move Down",
9031     "Snap Field",
9032     "Drop Element"
9033   };
9034   char grid_button[] =
9035   {
9036     CHAR_GRID_BUTTON_LEFT,
9037     CHAR_GRID_BUTTON_RIGHT,
9038     CHAR_GRID_BUTTON_UP,
9039     CHAR_GRID_BUTTON_DOWN,
9040     CHAR_GRID_BUTTON_SNAP,
9041     CHAR_GRID_BUTTON_DROP
9042   };
9043   enum
9044   {
9045     ACTION_NONE,
9046     ACTION_ESCAPE,
9047     ACTION_BACK,
9048     ACTION_NEXT
9049   };
9050   int font_nr = FONT_INPUT_1_ACTIVE;
9051   int font_height = getFontHeight(font_nr);
9052   int ypos1 = SYSIZE / 2 - font_height * 2;
9053   int ypos2 = SYSIZE / 2 - font_height * 1;
9054   boolean success = FALSE;
9055   boolean finished = FALSE;
9056   int step_nr = 0;
9057   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
9058   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9059   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9060   boolean set_grid_button = FALSE;
9061   int nr = GRID_ACTIVE_NR();
9062   int x, y;
9063
9064   for (x = 0; x < MAX_GRID_XSIZE; x++)
9065     for (y = 0; y < MAX_GRID_YSIZE; y++)
9066       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
9067
9068   overlay.grid_button_highlight = grid_button[step_nr];
9069
9070   UnmapAllGadgets();
9071
9072   FadeSetEnterMenu();
9073   FadeOut(REDRAW_FIELD);
9074
9075   ClearField();
9076
9077   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9078   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9079   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9080
9081   FadeIn(REDRAW_FIELD);
9082
9083   SetOverlayShowGrid(TRUE);
9084
9085   // map gadgets for setup touch buttons menu screen
9086   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9087
9088   while (!finished)
9089   {
9090     Event event;
9091
9092     while (NextValidEvent(&event))
9093     {
9094       int action = ACTION_NONE;
9095
9096       // ---------- handle events and set the resulting action ----------
9097
9098       switch (event.type)
9099       {
9100         case EVENT_USER:
9101           {
9102             UserEvent *user = (UserEvent *)&event;
9103             int id = user->value1;
9104
9105             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
9106                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
9107                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
9108                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
9109                       ACTION_NONE);
9110           }
9111           break;
9112
9113         case EVENT_KEYPRESS:
9114           {
9115             Key key = GetEventKey((KeyEvent *)&event, FALSE);
9116
9117             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
9118                       key == KSYM_BackSpace ||
9119                       key == KSYM_Back ?        ACTION_BACK :
9120                       key == KSYM_Return ||
9121                       key == KSYM_Menu ||
9122                       key == KSYM_space ?       ACTION_NEXT :
9123                       ACTION_NONE);
9124           }
9125           break;
9126
9127         case EVENT_KEYRELEASE:
9128           key_joystick_mapping = 0;
9129           break;
9130
9131         case EVENT_BUTTONPRESS:
9132         case EVENT_BUTTONRELEASE:
9133           {
9134             ButtonEvent *button = (ButtonEvent *)&event;
9135
9136             motion_status = FALSE;
9137
9138             if (button->type == EVENT_BUTTONPRESS)
9139               button_status = button->button;
9140             else
9141               button_status = MB_RELEASED;
9142
9143             if (HandleGadgets(button->x, button->y, button_status))
9144             {
9145               // do not handle this button event anymore
9146               break;
9147             }
9148
9149             button->x += video.screen_xoffset;
9150             button->y += video.screen_yoffset;
9151
9152             x = button->x * overlay.grid_xsize / video.screen_width;
9153             y = button->y * overlay.grid_ysize / video.screen_height;
9154
9155             if (button->type == EVENT_BUTTONPRESS)
9156             {
9157               grid_button_draw =
9158                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
9159                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
9160
9161               set_grid_button = TRUE;
9162             }
9163
9164             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
9165           }
9166           break;
9167
9168         case EVENT_MOTIONNOTIFY:
9169           {
9170             MotionEvent *motion = (MotionEvent *)&event;
9171
9172             motion_status = TRUE;
9173
9174             if (HandleGadgets(motion->x, motion->y, button_status))
9175             {
9176               // do not handle this button event anymore
9177               break;
9178             }
9179
9180             motion->x += video.screen_xoffset;
9181             motion->y += video.screen_yoffset;
9182
9183             x = motion->x * overlay.grid_xsize / video.screen_width;
9184             y = motion->y * overlay.grid_ysize / video.screen_height;
9185
9186             set_grid_button = TRUE;
9187
9188             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
9189           }
9190           break;
9191
9192         case SDL_WINDOWEVENT:
9193           HandleWindowEvent((WindowEvent *) &event);
9194
9195           // check if device has been rotated
9196           if (nr != GRID_ACTIVE_NR())
9197           {
9198             nr = GRID_ACTIVE_NR();
9199
9200             for (x = 0; x < MAX_GRID_XSIZE; x++)
9201               for (y = 0; y < MAX_GRID_YSIZE; y++)
9202                 grid_button_old[x][y] = grid_button_tmp[x][y] =
9203                   overlay.grid_button[x][y];
9204           }
9205
9206           break;
9207
9208         case SDL_APP_WILLENTERBACKGROUND:
9209         case SDL_APP_DIDENTERBACKGROUND:
9210         case SDL_APP_WILLENTERFOREGROUND:
9211         case SDL_APP_DIDENTERFOREGROUND:
9212           HandlePauseResumeEvent((PauseResumeEvent *) &event);
9213           break;
9214
9215         default:
9216           HandleOtherEvents(&event);
9217           break;
9218       }
9219
9220       // ---------- perform action set by handling events ----------
9221
9222       if (action == ACTION_ESCAPE)
9223       {
9224         // abort and restore the old key bindings
9225
9226         for (x = 0; x < MAX_GRID_XSIZE; x++)
9227           for (y = 0; y < MAX_GRID_YSIZE; y++)
9228             overlay.grid_button[x][y] = grid_button_old[x][y];
9229
9230         FadeSkipNextFadeIn();
9231
9232         finished = TRUE;
9233       }
9234       else if (action == ACTION_BACK)
9235       {
9236         // keep the configured key bindings and go to previous page
9237
9238         step_nr--;
9239
9240         if (step_nr < 0)
9241         {
9242           FadeSkipNextFadeIn();
9243
9244           finished = TRUE;
9245         }
9246       }
9247       else if (action == ACTION_NEXT)
9248       {
9249         // keep the configured key bindings and go to next page
9250
9251         step_nr++;
9252
9253         // all virtual buttons configured
9254         if (step_nr == 6)
9255         {
9256           finished = TRUE;
9257           success = TRUE;
9258         }
9259       }
9260
9261       if (action != ACTION_NONE && !finished)
9262       {
9263         for (x = 0; x < MAX_GRID_XSIZE; x++)
9264           for (y = 0; y < MAX_GRID_YSIZE; y++)
9265             grid_button_tmp[x][y] = overlay.grid_button[x][y];
9266
9267         overlay.grid_button_highlight = grid_button[step_nr];
9268
9269         // configure next virtual button
9270
9271         ClearField();
9272
9273         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9274         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9275         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9276       }
9277
9278       if (set_grid_button)
9279       {
9280         overlay.grid_button[x][y] =
9281           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
9282            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
9283            grid_button_tmp[x][y]);
9284
9285         set_grid_button = FALSE;
9286       }
9287     }
9288
9289     BackToFront();
9290   }
9291
9292   for (x = 0; x < MAX_GRID_XSIZE; x++)
9293     for (y = 0; y < MAX_GRID_YSIZE; y++)
9294       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9295
9296   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
9297
9298   SetOverlayShowGrid(FALSE);
9299
9300   return success;
9301 }
9302
9303 void ConfigureVirtualButtons(void)
9304 {
9305   boolean success = ConfigureVirtualButtonsMain();
9306
9307   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
9308                          SCREEN_MASK_TOUCH2);
9309
9310   if (success)
9311   {
9312     int font_nr = FONT_TITLE_1;
9313     int font_height = getFontHeight(font_nr);
9314     int ypos1 = SYSIZE / 2 - font_height * 2;
9315     int ypos2 = SYSIZE / 2 - font_height * 1;
9316     unsigned int wait_frame_delay = 0;
9317     unsigned int wait_frame_delay_value = 2000;
9318
9319     ResetDelayCounter(&wait_frame_delay);
9320
9321     ClearField();
9322
9323     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
9324     DrawTextSCentered(ypos2, font_nr, "configured!");
9325
9326     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
9327       BackToFront();
9328
9329     ClearEventQueue();
9330   }
9331 }
9332
9333 void DrawSetupScreen(void)
9334 {
9335   align_xoffset = 0;
9336   align_yoffset = 0;
9337
9338   if (setup_mode == SETUP_MODE_INPUT)
9339     DrawSetupScreen_Input();
9340   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9341     DrawChooseTree(&scores_type_current);
9342   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9343     DrawChooseTree(&game_speed_current);
9344   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9345     DrawChooseTree(&scroll_delay_current);
9346   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9347     DrawChooseTree(&snapshot_mode_current);
9348   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9349     DrawChooseTree(&window_size_current);
9350   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9351     DrawChooseTree(&scaling_type_current);
9352   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9353     DrawChooseTree(&rendering_mode_current);
9354   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9355     DrawChooseTree(&vsync_mode_current);
9356   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9357     DrawChooseTree(&artwork.gfx_current);
9358   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9359     DrawChooseTree(&artwork.snd_current);
9360   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9361     DrawChooseTree(&artwork.mus_current);
9362   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9363     DrawChooseTree(&volume_simple_current);
9364   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9365     DrawChooseTree(&volume_loops_current);
9366   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9367     DrawChooseTree(&volume_music_current);
9368   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9369     DrawChooseTree(&touch_control_current);
9370   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9371     DrawChooseTree(&move_distance_current);
9372   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9373     DrawChooseTree(&drop_distance_current);
9374   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9375     DrawChooseTree(&transparency_current);
9376   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9377     DrawChooseTree(&grid_size_current[0][0]);
9378   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9379     DrawChooseTree(&grid_size_current[0][1]);
9380   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9381     DrawChooseTree(&grid_size_current[1][0]);
9382   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9383     DrawChooseTree(&grid_size_current[1][1]);
9384   else
9385     DrawSetupScreen_Generic();
9386
9387   PlayMenuSoundsAndMusic();
9388 }
9389
9390 void RedrawSetupScreenAfterFullscreenToggle(void)
9391 {
9392   if (setup_mode == SETUP_MODE_GRAPHICS ||
9393       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9394   {
9395     // update list selection from "setup.window_scaling_percent"
9396     execSetupGraphics_setWindowSizes(TRUE);
9397
9398     DrawSetupScreen();
9399   }
9400 }
9401
9402 void RedrawSetupScreenAfterScreenRotation(int nr)
9403 {
9404   int x, y;
9405
9406   if (setup_mode == SETUP_MODE_TOUCH)
9407   {
9408     // update virtual button settings (depending on screen orientation)
9409     DrawSetupScreen();
9410   }
9411   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9412   {
9413     // save already configured virtual buttons
9414     for (x = 0; x < MAX_GRID_XSIZE; x++)
9415       for (y = 0; y < MAX_GRID_YSIZE; y++)
9416         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9417   }
9418 }
9419
9420 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9421 {
9422   if (setup_mode == SETUP_MODE_INPUT)
9423     HandleSetupScreen_Input(mx, my, dx, dy, button);
9424   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9425     HandleChooseTree(mx, my, dx, dy, button, &scores_type_current);
9426   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9427     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9428   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9429     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9430   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9431     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9432   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9433     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9434   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9435     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9436   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9437     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9438   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9439     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9440   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9441     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9442   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9443     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9444   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9445     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9446   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9447     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9448   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9449     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9450   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9451     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9452   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9453     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9454   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9455     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9456   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9457     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9458   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9459     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9460   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9461     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9462   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9463     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9464   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9465     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9466   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9467     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9468   else
9469     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9470 }
9471
9472 void HandleGameActions(void)
9473 {
9474   if (setup.ask_on_game_over)
9475     CheckGameOver();
9476
9477   if (game.restart_game_message != NULL)
9478   {
9479     RequestRestartGame(game.restart_game_message);
9480
9481     return;
9482   }
9483
9484   if (game_status != GAME_MODE_PLAYING)
9485     return;
9486
9487   GameActions();                // main game loop
9488
9489   if (tape.auto_play && !tape.playing)
9490     AutoPlayTapesContinue();    // continue automatically playing next tape
9491 }
9492
9493
9494 // ---------- new screen button stuff --------------------------------------
9495
9496 static struct
9497 {
9498   int gfx_unpressed, gfx_pressed;
9499   struct MenuPosInfo *pos;
9500   boolean *check_value;
9501   int gadget_id;
9502   int screen_mask;
9503   unsigned int event_mask;
9504   boolean is_touch_button;
9505   char *infotext;
9506 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9507 {
9508   {
9509     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9510     &menu.main.button.prev_level, NULL,
9511     SCREEN_CTRL_ID_PREV_LEVEL,
9512     SCREEN_MASK_MAIN,
9513     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9514     FALSE, "previous level"
9515   },
9516   {
9517     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9518     &menu.main.button.next_level, NULL,
9519     SCREEN_CTRL_ID_NEXT_LEVEL,
9520     SCREEN_MASK_MAIN,
9521     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9522     FALSE, "next level"
9523   },
9524   {
9525     IMG_MENU_BUTTON_PREV_LEVEL2, IMG_MENU_BUTTON_PREV_LEVEL2_ACTIVE,
9526     &menu.scores.button.prev_level, NULL,
9527     SCREEN_CTRL_ID_PREV_LEVEL2,
9528     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9529     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9530     FALSE, "previous level"
9531   },
9532   {
9533     IMG_MENU_BUTTON_NEXT_LEVEL2, IMG_MENU_BUTTON_NEXT_LEVEL2_ACTIVE,
9534     &menu.scores.button.next_level, NULL,
9535     SCREEN_CTRL_ID_NEXT_LEVEL2,
9536     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9537     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9538     FALSE, "next level"
9539   },
9540   {
9541     IMG_MENU_BUTTON_PREV_SCORE, IMG_MENU_BUTTON_PREV_SCORE_ACTIVE,
9542     &menu.scores.button.prev_score, NULL,
9543     SCREEN_CTRL_ID_PREV_SCORE,
9544     SCREEN_MASK_SCORES_INFO,
9545     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9546     FALSE, "previous score"
9547   },
9548   {
9549     IMG_MENU_BUTTON_NEXT_SCORE, IMG_MENU_BUTTON_NEXT_SCORE_ACTIVE,
9550     &menu.scores.button.next_score, NULL,
9551     SCREEN_CTRL_ID_NEXT_SCORE,
9552     SCREEN_MASK_SCORES_INFO,
9553     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9554     FALSE, "next score"
9555   },
9556   {
9557     IMG_MENU_BUTTON_PLAY_TAPE, IMG_MENU_BUTTON_PLAY_TAPE,
9558     &menu.scores.button.play_tape, NULL,
9559     SCREEN_CTRL_ID_PLAY_TAPE,
9560     SCREEN_MASK_SCORES_INFO,
9561     GD_EVENT_RELEASED,
9562     FALSE, "play tape"
9563   },
9564   {
9565     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9566     &menu.main.button.first_level, NULL,
9567     SCREEN_CTRL_ID_FIRST_LEVEL,
9568     SCREEN_MASK_MAIN,
9569     GD_EVENT_RELEASED,
9570     FALSE, "first level"
9571   },
9572   {
9573     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9574     &menu.main.button.last_level, NULL,
9575     SCREEN_CTRL_ID_LAST_LEVEL,
9576     SCREEN_MASK_MAIN,
9577     GD_EVENT_RELEASED,
9578     FALSE, "last level"
9579   },
9580   {
9581     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9582     &menu.main.button.level_number, NULL,
9583     SCREEN_CTRL_ID_LEVEL_NUMBER,
9584     SCREEN_MASK_MAIN,
9585     GD_EVENT_RELEASED,
9586     FALSE, "level number"
9587   },
9588   {
9589     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9590     &menu.setup.button.prev_player, NULL,
9591     SCREEN_CTRL_ID_PREV_PLAYER,
9592     SCREEN_MASK_INPUT,
9593     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9594     FALSE, "previous player"
9595   },
9596   {
9597     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9598     &menu.setup.button.next_player, NULL,
9599     SCREEN_CTRL_ID_NEXT_PLAYER,
9600     SCREEN_MASK_INPUT,
9601     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9602     FALSE, "next player"
9603   },
9604   {
9605     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9606     &menu.main.button.insert_solution, NULL,
9607     SCREEN_CTRL_ID_INSERT_SOLUTION,
9608     SCREEN_MASK_MAIN_HAS_SOLUTION,
9609     GD_EVENT_RELEASED,
9610     FALSE, "insert solution tape"
9611   },
9612   {
9613     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9614     &menu.main.button.play_solution, NULL,
9615     SCREEN_CTRL_ID_PLAY_SOLUTION,
9616     SCREEN_MASK_MAIN_HAS_SOLUTION,
9617     GD_EVENT_RELEASED,
9618     FALSE, "play solution tape"
9619   },
9620   {
9621     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9622     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9623     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9624     SCREEN_MASK_MAIN,
9625     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9626     FALSE, "switch ECS/AGA chipset"
9627   },
9628   {
9629     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9630     &menu.setup.button.touch_back, NULL,
9631     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9632     SCREEN_MASK_TOUCH,
9633     GD_EVENT_RELEASED,
9634     TRUE, "previous page"
9635   },
9636   {
9637     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9638     &menu.setup.button.touch_next, NULL,
9639     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9640     SCREEN_MASK_TOUCH,
9641     GD_EVENT_RELEASED,
9642     TRUE, "next page"
9643   },
9644   {
9645     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9646     &menu.setup.button.touch_back2, NULL,
9647     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9648     SCREEN_MASK_TOUCH2,
9649     GD_EVENT_RELEASED,
9650     TRUE, "previous page"
9651   },
9652   {
9653     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9654     &menu.setup.button.touch_next2, NULL,
9655     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9656     SCREEN_MASK_TOUCH2,
9657     GD_EVENT_RELEASED,
9658     TRUE, "next page"
9659   },
9660 };
9661
9662 static struct
9663 {
9664   int gfx_unpressed, gfx_pressed;
9665   int x, y;
9666   int gadget_id;
9667   char *infotext;
9668 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9669 {
9670   {
9671     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9672     -1, -1,     // these values are not constant, but can change at runtime
9673     SCREEN_CTRL_ID_SCROLL_UP,
9674     "scroll up"
9675   },
9676   {
9677     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9678     -1, -1,     // these values are not constant, but can change at runtime
9679     SCREEN_CTRL_ID_SCROLL_DOWN,
9680     "scroll down"
9681   }
9682 };
9683
9684 static struct
9685 {
9686   int gfx_unpressed, gfx_pressed;
9687   int x, y;
9688   int width, height;
9689   int type;
9690   int gadget_id;
9691   char *infotext;
9692 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9693 {
9694   {
9695     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9696     -1, -1,     // these values are not constant, but can change at runtime
9697     -1, -1,     // these values are not constant, but can change at runtime
9698     GD_TYPE_SCROLLBAR_VERTICAL,
9699     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9700     "scroll level series vertically"
9701   }
9702 };
9703
9704 static struct
9705 {
9706   int graphic;
9707   int gadget_id;
9708   int x, y;
9709   int size;
9710   char *value;
9711   char *infotext;
9712 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9713 {
9714   {
9715     IMG_SETUP_INPUT_TEXT,
9716     SCREEN_CTRL_ID_NETWORK_SERVER,
9717     -1, -1,     // these values are not constant, but can change at runtime
9718     MAX_SETUP_TEXT_INPUT_LEN,
9719     network_server_hostname,
9720     "Network Server Hostname / IP"
9721   },
9722 };
9723
9724 static void CreateScreenMenubuttons(void)
9725 {
9726   struct GadgetInfo *gi;
9727   unsigned int event_mask;
9728   int i;
9729
9730   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9731   {
9732     struct MenuPosInfo *pos = menubutton_info[i].pos;
9733     int screen_mask = menubutton_info[i].screen_mask;
9734     boolean is_touch_button = menubutton_info[i].is_touch_button;
9735     boolean is_check_button = menubutton_info[i].check_value != NULL;
9736     boolean is_score_button = (screen_mask & SCREEN_MASK_SCORES_INFO);
9737     boolean has_gfx_pressed = (menubutton_info[i].gfx_pressed ==
9738                                menubutton_info[i].gfx_unpressed);
9739     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9740     int gfx_unpressed, gfx_pressed;
9741     int x, y, width, height;
9742     int gd_x1, gd_x2, gd_y1, gd_y2;
9743     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9744     int id = menubutton_info[i].gadget_id;
9745     int type = GD_TYPE_NORMAL_BUTTON;
9746     boolean checked = FALSE;
9747
9748     // do not use touch buttons if overlay touch buttons are disabled
9749     if (is_touch_button && !setup.touch.overlay_buttons)
9750       continue;
9751
9752     event_mask = menubutton_info[i].event_mask;
9753
9754     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9755     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9756
9757     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9758     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9759
9760     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9761     gfx_pressed   = menubutton_info[i].gfx_pressed;
9762     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9763     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9764     gd_x1 = graphic_info[gfx_unpressed].src_x;
9765     gd_y1 = graphic_info[gfx_unpressed].src_y;
9766     gd_x2 = graphic_info[gfx_pressed].src_x;
9767     gd_y2 = graphic_info[gfx_pressed].src_y;
9768     gd_x1a = gd_x1;
9769     gd_y1a = gd_y1;
9770     gd_x2a = gd_x2;
9771     gd_y2a = gd_y2;
9772
9773     if (has_gfx_pressed)
9774     {
9775       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9776       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9777     }
9778
9779     if (is_check_button)
9780     {
9781       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9782       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9783       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9784       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9785
9786       type = GD_TYPE_CHECK_BUTTON;
9787       checked = *menubutton_info[i].check_value;
9788     }
9789
9790     if (is_score_button)
9791     {
9792       // if x/y set to -1, dynamically place buttons next to title text
9793       int title_width = getTextWidth(INFOTEXT_SCORE_ENTRY, FONT_TITLE_1);
9794
9795       // special compatibility handling for "Snake Bite" graphics set
9796       if (strPrefix(leveldir_current->identifier, "snake_bite"))
9797         title_width = strlen(INFOTEXT_SCORE_ENTRY) * 32;
9798
9799       // use "SX" here to center buttons (ignore horizontal draw offset)
9800       if (pos->x == -1)
9801         x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
9802              SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
9803              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
9804              SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
9805
9806       // use "mSY" here to place buttons (respect vertical draw offset)
9807       if (pos->y == -1)
9808         y = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ||
9809              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
9810     }
9811
9812     gi = CreateGadget(GDI_CUSTOM_ID, id,
9813                       GDI_CUSTOM_TYPE_ID, i,
9814                       GDI_IMAGE_ID, gfx_unpressed,
9815                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9816                       GDI_X, x,
9817                       GDI_Y, y,
9818                       GDI_WIDTH, width,
9819                       GDI_HEIGHT, height,
9820                       GDI_TYPE, type,
9821                       GDI_STATE, GD_BUTTON_UNPRESSED,
9822                       GDI_CHECKED, checked,
9823                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9824                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9825                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9826                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9827                       GDI_DIRECT_DRAW, FALSE,
9828                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9829                       GDI_EVENT_MASK, event_mask,
9830                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9831                       GDI_END);
9832
9833     if (gi == NULL)
9834       Fail("cannot create gadget");
9835
9836     screen_gadget[id] = gi;
9837   }
9838 }
9839
9840 static void CreateScreenScrollbuttons(void)
9841 {
9842   struct GadgetInfo *gi;
9843   unsigned int event_mask;
9844   int i;
9845
9846   // these values are not constant, but can change at runtime
9847   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9848   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9849   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9850   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9851
9852   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9853   {
9854     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9855     int gfx_unpressed, gfx_pressed;
9856     int x, y, width, height;
9857     int gd_x1, gd_x2, gd_y1, gd_y2;
9858     int id = scrollbutton_info[i].gadget_id;
9859
9860     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9861
9862     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9863     y = mSY + scrollbutton_info[i].y;
9864     width = SC_SCROLLBUTTON_XSIZE;
9865     height = SC_SCROLLBUTTON_YSIZE;
9866
9867     // correct scrollbar position if placed outside menu (playfield) area
9868     if (x > SX + SC_SCROLL_UP_XPOS)
9869       x = SX + SC_SCROLL_UP_XPOS;
9870
9871     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9872       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9873                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9874
9875     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9876     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9877     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9878     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9879     gd_x1 = graphic_info[gfx_unpressed].src_x;
9880     gd_y1 = graphic_info[gfx_unpressed].src_y;
9881     gd_x2 = graphic_info[gfx_pressed].src_x;
9882     gd_y2 = graphic_info[gfx_pressed].src_y;
9883
9884     gi = CreateGadget(GDI_CUSTOM_ID, id,
9885                       GDI_CUSTOM_TYPE_ID, i,
9886                       GDI_IMAGE_ID, gfx_unpressed,
9887                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9888                       GDI_X, x,
9889                       GDI_Y, y,
9890                       GDI_WIDTH, width,
9891                       GDI_HEIGHT, height,
9892                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9893                       GDI_STATE, GD_BUTTON_UNPRESSED,
9894                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9895                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9896                       GDI_DIRECT_DRAW, FALSE,
9897                       GDI_EVENT_MASK, event_mask,
9898                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9899                       GDI_END);
9900
9901     if (gi == NULL)
9902       Fail("cannot create gadget");
9903
9904     screen_gadget[id] = gi;
9905   }
9906 }
9907
9908 static void CreateScreenScrollbars(void)
9909 {
9910   int i;
9911
9912   // these values are not constant, but can change at runtime
9913   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9914   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9915   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9916   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9917
9918   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9919   {
9920     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9921     int gfx_unpressed, gfx_pressed;
9922     int x, y, width, height;
9923     int gd_x1, gd_x2, gd_y1, gd_y2;
9924     struct GadgetInfo *gi;
9925     int items_max, items_visible, item_position;
9926     unsigned int event_mask;
9927     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9928     int id = scrollbar_info[i].gadget_id;
9929
9930     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9931
9932     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9933     y = mSY + scrollbar_info[i].y;
9934     width  = scrollbar_info[i].width;
9935     height = scrollbar_info[i].height;
9936
9937     // correct scrollbar position if placed outside menu (playfield) area
9938     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9939       x = SX + SC_SCROLL_VERTICAL_XPOS;
9940
9941     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9942       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9943
9944     items_max = num_page_entries;
9945     items_visible = num_page_entries;
9946     item_position = 0;
9947
9948     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9949     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9950     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9951     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9952     gd_x1 = graphic_info[gfx_unpressed].src_x;
9953     gd_y1 = graphic_info[gfx_unpressed].src_y;
9954     gd_x2 = graphic_info[gfx_pressed].src_x;
9955     gd_y2 = graphic_info[gfx_pressed].src_y;
9956
9957     gi = CreateGadget(GDI_CUSTOM_ID, id,
9958                       GDI_CUSTOM_TYPE_ID, i,
9959                       GDI_IMAGE_ID, gfx_unpressed,
9960                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9961                       GDI_X, x,
9962                       GDI_Y, y,
9963                       GDI_WIDTH, width,
9964                       GDI_HEIGHT, height,
9965                       GDI_TYPE, scrollbar_info[i].type,
9966                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9967                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9968                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9969                       GDI_WHEEL_AREA_X, SX,
9970                       GDI_WHEEL_AREA_Y, SY,
9971                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9972                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9973                       GDI_STATE, GD_BUTTON_UNPRESSED,
9974                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9975                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9976                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9977                       GDI_DIRECT_DRAW, FALSE,
9978                       GDI_EVENT_MASK, event_mask,
9979                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9980                       GDI_END);
9981
9982     if (gi == NULL)
9983       Fail("cannot create gadget");
9984
9985     screen_gadget[id] = gi;
9986   }
9987 }
9988
9989 static void CreateScreenTextInputGadgets(void)
9990 {
9991   int i;
9992
9993   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9994   {
9995     int graphic = textinput_info[i].graphic;
9996     struct GraphicInfo *gd = &graphic_info[graphic];
9997     int gd_x1 = gd->src_x;
9998     int gd_y1 = gd->src_y;
9999     int gd_x2 = gd->src_x + gd->active_xoffset;
10000     int gd_y2 = gd->src_y + gd->active_yoffset;
10001     struct GadgetInfo *gi;
10002     unsigned int event_mask;
10003     int id = textinput_info[i].gadget_id;
10004     int x = textinput_info[i].x;
10005     int y = textinput_info[i].y;
10006
10007     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
10008
10009     gi = CreateGadget(GDI_CUSTOM_ID, id,
10010                       GDI_CUSTOM_TYPE_ID, i,
10011                       GDI_INFO_TEXT, textinput_info[i].infotext,
10012                       GDI_X, SX + x,
10013                       GDI_Y, SY + y,
10014                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
10015                       GDI_TEXT_VALUE, textinput_info[i].value,
10016                       GDI_TEXT_SIZE, textinput_info[i].size,
10017                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
10018                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
10019                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
10020                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
10021                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
10022                       GDI_DESIGN_WIDTH, gd->width,
10023                       GDI_EVENT_MASK, event_mask,
10024                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10025                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
10026                       GDI_END);
10027
10028     if (gi == NULL)
10029       Fail("cannot create gadget");
10030
10031     screen_gadget[id] = gi;
10032   }
10033 }
10034
10035 void CreateScreenGadgets(void)
10036 {
10037   CreateScreenMenubuttons();
10038
10039   CreateScreenScrollbuttons();
10040   CreateScreenScrollbars();
10041
10042   CreateScreenTextInputGadgets();
10043 }
10044
10045 void FreeScreenGadgets(void)
10046 {
10047   int i;
10048
10049   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
10050     FreeGadget(screen_gadget[i]);
10051 }
10052
10053 static void RedrawScreenMenuGadgets(int screen_mask)
10054 {
10055   int i;
10056
10057   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10058     if (screen_mask & menubutton_info[i].screen_mask)
10059       RedrawGadget(screen_gadget[menubutton_info[i].gadget_id]);
10060 }
10061
10062 static void MapScreenMenuGadgets(int screen_mask)
10063 {
10064   int i;
10065
10066   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10067     if (screen_mask & menubutton_info[i].screen_mask)
10068       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10069 }
10070
10071 static void UnmapScreenMenuGadgets(int screen_mask)
10072 {
10073   int i;
10074
10075   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10076   {
10077     if (screen_mask & menubutton_info[i].screen_mask)
10078     {
10079       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10080
10081       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
10082         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
10083                        screen_gadget[menubutton_info[i].gadget_id]->y,
10084                        screen_gadget[menubutton_info[i].gadget_id]->width,
10085                        screen_gadget[menubutton_info[i].gadget_id]->height);
10086     }
10087   }
10088 }
10089
10090 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
10091 {
10092   if (map_gadgets)
10093     MapScreenMenuGadgets(screen_mask);
10094   else
10095     UnmapScreenMenuGadgets(screen_mask);
10096 }
10097
10098 static void MapScreenGadgets(int num_entries)
10099 {
10100   int i;
10101
10102   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
10103     return;
10104
10105   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10106     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10107
10108   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10109     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10110 }
10111
10112 static void UnmapScreenGadgets()
10113 {
10114   int i;
10115
10116   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10117     UnmapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10118
10119   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10120     UnmapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10121 }
10122
10123 static void MapScreenTreeGadgets(TreeInfo *ti)
10124 {
10125   MapScreenGadgets(numTreeInfoInGroup(ti));
10126 }
10127
10128 static void UnmapScreenTreeGadgets(void)
10129 {
10130   UnmapScreenGadgets();
10131 }
10132
10133 static void AdjustScoreInfoButtons_SelectScore(int x, int y1, int y2)
10134 {
10135   struct GadgetInfo *gi_1 = screen_gadget[SCREEN_CTRL_ID_PREV_SCORE];
10136   struct GadgetInfo *gi_2 = screen_gadget[SCREEN_CTRL_ID_NEXT_SCORE];
10137   struct MenuPosInfo *pos_1 = menubutton_info[SCREEN_CTRL_ID_PREV_SCORE].pos;
10138   struct MenuPosInfo *pos_2 = menubutton_info[SCREEN_CTRL_ID_NEXT_SCORE].pos;
10139
10140   if (pos_1->x == -1 && pos_1->y == -1)
10141     ModifyGadget(gi_1, GDI_X, x, GDI_Y, y1, GDI_END);
10142
10143   if (pos_2->x == -1 && pos_2->y == -1)
10144     ModifyGadget(gi_2, GDI_X, x, GDI_Y, y2, GDI_END);
10145 }
10146
10147 static void AdjustScoreInfoButtons_PlayTape(int x, int y, boolean visible)
10148 {
10149   struct GadgetInfo *gi = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE];
10150   struct MenuPosInfo *pos = menubutton_info[SCREEN_CTRL_ID_PLAY_TAPE].pos;
10151
10152   // set gadget position dynamically, pre-defined or off-screen
10153   int xx = (visible ? (pos->x == -1 ? x : pos->x) : POS_OFFSCREEN);
10154   int yy = (visible ? (pos->y == -1 ? y : pos->y) : POS_OFFSCREEN);
10155
10156   ModifyGadget(gi, GDI_X, xx, GDI_Y, yy, GDI_END);
10157   MapGadget(gi);        // (needed if deactivated on last score page)
10158 }
10159
10160 static void HandleScreenGadgets(struct GadgetInfo *gi)
10161 {
10162   int id = gi->custom_id;
10163   int button = gi->event.button;
10164   int step = (button == MB_LEFTBUTTON   ? 1 :
10165               button == MB_MIDDLEBUTTON ? 5 :
10166               button == MB_RIGHTBUTTON  ? 10 : 1);
10167
10168   switch (id)
10169   {
10170     case SCREEN_CTRL_ID_PREV_LEVEL:
10171       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
10172       break;
10173
10174     case SCREEN_CTRL_ID_NEXT_LEVEL:
10175       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
10176       break;
10177
10178     case SCREEN_CTRL_ID_PREV_LEVEL2:
10179       HandleHallOfFame_SelectLevel(step, -1);
10180       break;
10181
10182     case SCREEN_CTRL_ID_NEXT_LEVEL2:
10183       HandleHallOfFame_SelectLevel(step, +1);
10184       break;
10185
10186     case SCREEN_CTRL_ID_PREV_SCORE:
10187       HandleScoreInfo_SelectScore(step, -1);
10188       break;
10189
10190     case SCREEN_CTRL_ID_NEXT_SCORE:
10191       HandleScoreInfo_SelectScore(step, +1);
10192       break;
10193
10194     case SCREEN_CTRL_ID_PLAY_TAPE:
10195       HandleScoreInfo_PlayTape();
10196       break;
10197
10198     case SCREEN_CTRL_ID_FIRST_LEVEL:
10199       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
10200       break;
10201
10202     case SCREEN_CTRL_ID_LAST_LEVEL:
10203       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
10204       break;
10205
10206     case SCREEN_CTRL_ID_LEVEL_NUMBER:
10207       CloseDoor(DOOR_CLOSE_2);
10208       SetGameStatus(GAME_MODE_LEVELNR);
10209       DrawChooseLevelNr();
10210       break;
10211
10212     case SCREEN_CTRL_ID_PREV_PLAYER:
10213       HandleSetupScreen_Input_Player(step, -1);
10214       break;
10215
10216     case SCREEN_CTRL_ID_NEXT_PLAYER:
10217       HandleSetupScreen_Input_Player(step, +1);
10218       break;
10219
10220     case SCREEN_CTRL_ID_INSERT_SOLUTION:
10221       InsertSolutionTape();
10222       break;
10223
10224     case SCREEN_CTRL_ID_PLAY_SOLUTION:
10225       PlaySolutionTape();
10226       break;
10227
10228     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
10229       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
10230       DrawMainMenu();
10231       break;
10232
10233     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
10234     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
10235     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
10236     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
10237       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
10238       break;
10239
10240     case SCREEN_CTRL_ID_SCROLL_UP:
10241       if (game_status == GAME_MODE_NAMES)
10242         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10243       else if (game_status == GAME_MODE_LEVELS)
10244         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10245       else if (game_status == GAME_MODE_LEVELNR)
10246         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10247       else if (game_status == GAME_MODE_SETUP)
10248         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10249       else if (game_status == GAME_MODE_INFO)
10250         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10251       else if (game_status == GAME_MODE_SCORES)
10252         HandleHallOfFame(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10253       break;
10254
10255     case SCREEN_CTRL_ID_SCROLL_DOWN:
10256       if (game_status == GAME_MODE_NAMES)
10257         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10258       else if (game_status == GAME_MODE_LEVELS)
10259         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10260       else if (game_status == GAME_MODE_LEVELNR)
10261         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10262       else if (game_status == GAME_MODE_SETUP)
10263         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10264       else if (game_status == GAME_MODE_INFO)
10265         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10266       else if (game_status == GAME_MODE_SCORES)
10267         HandleHallOfFame(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10268       break;
10269
10270     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
10271       if (game_status == GAME_MODE_NAMES)
10272         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10273       else if (game_status == GAME_MODE_LEVELS)
10274         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10275       else if (game_status == GAME_MODE_LEVELNR)
10276         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10277       else if (game_status == GAME_MODE_SETUP)
10278         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10279       else if (game_status == GAME_MODE_INFO)
10280         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10281       else if (game_status == GAME_MODE_SCORES)
10282         HandleHallOfFame(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10283       break;
10284
10285     case SCREEN_CTRL_ID_NETWORK_SERVER:
10286     {
10287       if (!strEqual(gi->textinput.value, ""))
10288       {
10289         setString(&setup.network_server_hostname, gi->textinput.value);
10290
10291         network.server_host = setup.network_server_hostname;
10292       }
10293       else
10294       {
10295         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
10296
10297         network.server_host = NULL;
10298       }
10299
10300       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
10301         network.server_host = NULL;
10302
10303       execSetupGame_setNetworkServerText();
10304
10305       DrawSetupScreen();
10306
10307       break;
10308     }
10309
10310     default:
10311       break;
10312   }
10313 }
10314
10315 void HandleScreenGadgetKeys(Key key)
10316 {
10317   if (key == setup.shortcut.tape_play)
10318     HandleScreenGadgets(screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]);
10319 }
10320
10321 void DumpScreenIdentifiers(void)
10322 {
10323   int i;
10324
10325   Print("Active screen elements on current screen:\n");
10326
10327   for (i = 0; main_controls[i].nr != -1; i++)
10328   {
10329     struct MainControlInfo *mci = &main_controls[i];
10330
10331     if (mci->button_graphic != -1)
10332     {
10333       char *token = getTokenFromImageID(mci->button_graphic);
10334
10335       Print("- '%s'\n", token);
10336     }
10337   }
10338
10339   Print("Done.\n");
10340 }
10341
10342 boolean DoScreenAction(int image_id)
10343 {
10344   int i;
10345
10346   if (game_status != GAME_MODE_MAIN)
10347     return FALSE;
10348
10349   for (i = 0; main_controls[i].nr != -1; i++)
10350   {
10351     struct MainControlInfo *mci = &main_controls[i];
10352     struct MenuPosInfo *pos = mci->pos_button;
10353
10354     if (mci->button_graphic == image_id)
10355     {
10356       int x = mSX + pos->x;
10357       int y = mSY + pos->y;
10358
10359       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
10360
10361       return TRUE;
10362     }
10363   }
10364
10365   return FALSE;
10366 }
10367
10368 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
10369 {
10370   // get tree info node of newly added level or artwork set
10371   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
10372   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
10373                                                       tree_subdir_new);
10374   if (tree_node_new == NULL)    // should not happen
10375     return;
10376
10377   // if request dialog is active, do nothing
10378   if (game.request_active)
10379     return;
10380
10381   if (game_status == GAME_MODE_MAIN &&
10382       tree_type == TREE_TYPE_LEVEL_DIR)
10383   {
10384     // when adding new level set in main menu, select it as current level set
10385
10386     // change current level set to newly added level set from zip file
10387     leveldir_current = tree_node_new;
10388
10389     // change current level number to first level of newly added level set
10390     level_nr = leveldir_current->first_level;
10391
10392     // redraw screen to reflect changed level set
10393     DrawMainMenu();
10394
10395     // save this level set and level number as last selected level set
10396     SaveLevelSetup_LastSeries();
10397     SaveLevelSetup_SeriesInfo();
10398   }
10399   else if (game_status == GAME_MODE_LEVELS &&
10400            tree_type == TREE_TYPE_LEVEL_DIR)
10401   {
10402     // when adding new level set in level set menu, set cursor and update screen
10403
10404     leveldir_current = tree_node_new;
10405
10406     DrawChooseTree(&leveldir_current);
10407   }
10408   else if (game_status == GAME_MODE_SETUP)
10409   {
10410     // when adding new artwork set in setup menu, set cursor and update screen
10411
10412     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
10413         tree_type == TREE_TYPE_GRAPHICS_DIR)
10414     {
10415       artwork.gfx_current = tree_node_new;
10416
10417       DrawChooseTree(&artwork.gfx_current);
10418     }
10419     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
10420              tree_type == TREE_TYPE_SOUNDS_DIR)
10421     {
10422       artwork.snd_current = tree_node_new;
10423
10424       DrawChooseTree(&artwork.snd_current);
10425     }
10426     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
10427              tree_type == TREE_TYPE_MUSIC_DIR)
10428     {
10429       artwork.mus_current = tree_node_new;
10430
10431       DrawChooseTree(&artwork.mus_current);
10432     }
10433   }
10434 }
10435
10436 static int UploadTapes(void)
10437 {
10438   SetGameStatus(GAME_MODE_LOADING);
10439
10440   FadeSetEnterScreen();
10441   FadeOut(REDRAW_ALL);
10442
10443   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
10444
10445   FadeIn(REDRAW_ALL);
10446
10447   DrawInitTextHead("Uploading tapes");
10448
10449   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
10450   global.autoplay_leveldir = "ALL";
10451   global.autoplay_all = TRUE;
10452
10453   int num_tapes_uploaded = AutoPlayTapes();
10454
10455   global.autoplay_mode = AUTOPLAY_MODE_NONE;
10456   global.autoplay_leveldir = NULL;
10457   global.autoplay_all = FALSE;
10458
10459   SetGameStatus(GAME_MODE_MAIN);
10460
10461   DrawMainMenu();
10462
10463   return num_tapes_uploaded;
10464 }
10465
10466 static boolean OfferUploadTapes(void)
10467 {
10468   if (!Request(setup.has_remaining_tapes ?
10469                "Upload missing tapes to the high score server now?" :
10470                "Upload all your tapes to the high score server now?", REQ_ASK))
10471     return FALSE;
10472
10473   int num_tapes_uploaded = UploadTapes();
10474   char message[100];
10475
10476   if (num_tapes_uploaded < 0)
10477   {
10478     num_tapes_uploaded = -num_tapes_uploaded - 1;
10479
10480     if (num_tapes_uploaded == 0)
10481       sprintf(message, "Upload failed! No tapes uploaded!");
10482     else if (num_tapes_uploaded == 1)
10483       sprintf(message, "Upload failed! Only 1 tape uploaded!");
10484     else
10485       sprintf(message, "Upload failed! Only %d tapes uploaded!",
10486               num_tapes_uploaded);
10487
10488     Request(message, REQ_CONFIRM);
10489
10490     // if uploading tapes failed, add tape upload entry to setup menu
10491     setup.provide_uploading_tapes = TRUE;
10492     setup.has_remaining_tapes = TRUE;
10493
10494     SaveSetup_ServerSetup();
10495
10496     return FALSE;
10497   }
10498
10499   if (num_tapes_uploaded == 0)
10500     sprintf(message, "No tapes uploaded!");
10501   else if (num_tapes_uploaded == 1)
10502     sprintf(message, "1 tape uploaded!");
10503   else
10504     sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
10505
10506   Request(message, REQ_CONFIRM);
10507
10508   if (num_tapes_uploaded > 0)
10509     Request("New scores will be visible after a few minutes!", REQ_CONFIRM);
10510
10511   // after all tapes have been uploaded, remove entry from setup menu
10512   setup.provide_uploading_tapes = FALSE;
10513   setup.has_remaining_tapes = FALSE;
10514
10515   SaveSetup_ServerSetup();
10516
10517   return TRUE;
10518 }
10519
10520 static void CheckUploadTapes(void)
10521 {
10522   if (!setup.ask_for_uploading_tapes)
10523     return;
10524
10525   // after asking for uploading tapes, do not ask again
10526   setup.ask_for_uploading_tapes = FALSE;
10527   setup.ask_for_remaining_tapes = FALSE;
10528
10529   if (directoryExists(getTapeDir(NULL)))
10530   {
10531     boolean tapes_uploaded = OfferUploadTapes();
10532
10533     if (!tapes_uploaded)
10534     {
10535       Request(setup.has_remaining_tapes ?
10536               "You can upload missing tapes from the setup menu later!" :
10537               "You can upload your tapes from the setup menu later!",
10538               REQ_CONFIRM);
10539     }
10540   }
10541   else
10542   {
10543     // if tapes directory does not exist yet, never offer uploading all tapes
10544     setup.provide_uploading_tapes = FALSE;
10545   }
10546
10547   SaveSetup_ServerSetup();
10548 }
10549
10550 static void UpgradePlayerUUID(void)
10551 {
10552   ApiResetUUIDAsThread(getUUID());
10553 }
10554
10555 static void CheckUpgradePlayerUUID(void)
10556 {
10557   if (setup.player_version > 1)
10558     return;
10559
10560   UpgradePlayerUUID();
10561 }
10562
10563 void CheckApiServerTasks(void)
10564 {
10565   // check if the player's UUID has to be upgraded
10566   CheckUpgradePlayerUUID();
10567
10568   // check if there are any tapes to be uploaded
10569   CheckUploadTapes();
10570 }