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 DelayReachedExt2(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 DelayCounter 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   info_delay.value = GameFrameDelay;
3172
3173   if (button == MB_MENU_INITIALIZE)
3174   {
3175     boolean new_element = TRUE;
3176
3177     num_anims = 0;
3178
3179     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3180     {
3181       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3182         new_element = TRUE;
3183       else if (new_element)
3184       {
3185         num_anims++;
3186         new_element = FALSE;
3187       }
3188     }
3189
3190     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3191     page = 0;
3192   }
3193
3194   if (button == MB_MENU_LEAVE)
3195   {
3196     PlaySound(SND_MENU_ITEM_SELECTING);
3197
3198     info_mode = INFO_MODE_MAIN;
3199     DrawInfoScreen();
3200
3201     return;
3202   }
3203   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3204   {
3205     if (button != MB_MENU_INITIALIZE)
3206     {
3207       PlaySound(SND_MENU_ITEM_SELECTING);
3208
3209       page += (dx < 0 ? -1 : +1);
3210     }
3211
3212     if (page < 0 || page >= num_pages)
3213     {
3214       FadeMenuSoundsAndMusic();
3215
3216       info_mode = INFO_MODE_MAIN;
3217       DrawInfoScreen();
3218
3219       return;
3220     }
3221
3222     if (button != MB_MENU_INITIALIZE)
3223       FadeSetNextScreen();
3224
3225     if (button != MB_MENU_INITIALIZE)
3226       FadeOut(REDRAW_FIELD);
3227
3228     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3229
3230     if (button != MB_MENU_INITIALIZE)
3231       FadeIn(REDRAW_FIELD);
3232   }
3233   else
3234   {
3235     if (DelayReached(&info_delay))
3236       if (page < num_pages)
3237         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3238
3239     PlayMenuSoundIfLoop();
3240   }
3241 }
3242
3243 static void DrawInfoScreen_Music(void)
3244 {
3245   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3246
3247   FadeOut(REDRAW_FIELD);
3248
3249   ClearField();
3250   DrawHeadline();
3251
3252   LoadMusicInfo();
3253
3254   HandleInfoScreen_Music(0, 0, MB_MENU_INITIALIZE);
3255
3256   FadeIn(REDRAW_FIELD);
3257 }
3258
3259 void HandleInfoScreen_Music(int dx, int dy, int button)
3260 {
3261   static struct MusicFileInfo *list = NULL;
3262   int font_title = MENU_INFO_FONT_TITLE;
3263   int font_head  = MENU_INFO_FONT_HEAD;
3264   int font_text  = MENU_INFO_FONT_TEXT;
3265   int font_foot  = MENU_INFO_FONT_FOOT;
3266   int spacing_title = menu.headline1_spacing_info[info_mode];
3267   int spacing_head  = menu.headline2_spacing_info[info_mode];
3268   int ystep_title = getMenuTextStep(spacing_title, font_title);
3269   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3270   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3271   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3272
3273   if (button == MB_MENU_INITIALIZE)
3274   {
3275     list = music_file_info;
3276
3277     if (list == NULL)
3278     {
3279       FadeMenuSoundsAndMusic();
3280
3281       ClearField();
3282       DrawHeadline();
3283
3284       DrawTextSCentered(ystart, font_title, "No music info for this level set.");
3285       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3286
3287       return;
3288     }
3289   }
3290
3291   if (button == MB_MENU_LEAVE)
3292   {
3293     PlaySound(SND_MENU_ITEM_SELECTING);
3294
3295     FadeMenuSoundsAndMusic();
3296
3297     info_mode = INFO_MODE_MAIN;
3298     DrawInfoScreen();
3299
3300     return;
3301   }
3302   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3303   {
3304     if (button != MB_MENU_INITIALIZE)
3305     {
3306       PlaySound(SND_MENU_ITEM_SELECTING);
3307
3308       if (list != NULL)
3309         list = (dx < 0 ? list->prev : list->next);
3310     }
3311
3312     if (list == NULL)
3313     {
3314       FadeMenuSoundsAndMusic();
3315
3316       info_mode = INFO_MODE_MAIN;
3317       DrawInfoScreen();
3318
3319       return;
3320     }
3321
3322     FadeMenuSoundsAndMusic();
3323
3324     if (list != music_file_info)
3325       FadeSetNextScreen();
3326
3327     if (button != MB_MENU_INITIALIZE)
3328       FadeOut(REDRAW_FIELD);
3329
3330     ClearField();
3331     DrawHeadline();
3332
3333     if (list->is_sound)
3334     {
3335       int sound = list->music;
3336
3337       if (IS_LOOP_SOUND(sound))
3338         PlaySoundLoop(sound);
3339       else
3340         PlaySound(sound);
3341
3342       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3343     }
3344     else
3345     {
3346       int music = list->music;
3347
3348       if (IS_LOOP_MUSIC(music))
3349         PlayMusicLoop(music);
3350       else
3351         PlayMusic(music);
3352
3353       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3354     }
3355
3356     ystart += ystep_title;
3357
3358     if (!strEqual(list->title, UNKNOWN_NAME))
3359     {
3360       if (!strEqual(list->title_header, UNKNOWN_NAME))
3361       {
3362         DrawTextSCentered(ystart, font_head, list->title_header);
3363         ystart += ystep_head;
3364       }
3365
3366       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3367       ystart += ystep_head;
3368     }
3369
3370     if (!strEqual(list->artist, UNKNOWN_NAME))
3371     {
3372       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3373         DrawTextSCentered(ystart, font_head, list->artist_header);
3374       else
3375         DrawTextSCentered(ystart, font_head, "by");
3376
3377       ystart += ystep_head;
3378
3379       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3380       ystart += ystep_head;
3381     }
3382
3383     if (!strEqual(list->album, UNKNOWN_NAME))
3384     {
3385       if (!strEqual(list->album_header, UNKNOWN_NAME))
3386         DrawTextSCentered(ystart, font_head, list->album_header);
3387       else
3388         DrawTextSCentered(ystart, font_head, "from the album");
3389
3390       ystart += ystep_head;
3391
3392       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3393       ystart += ystep_head;
3394     }
3395
3396     if (!strEqual(list->year, UNKNOWN_NAME))
3397     {
3398       if (!strEqual(list->year_header, UNKNOWN_NAME))
3399         DrawTextSCentered(ystart, font_head, list->year_header);
3400       else
3401         DrawTextSCentered(ystart, font_head, "from the year");
3402
3403       ystart += ystep_head;
3404
3405       DrawTextFCentered(ystart, font_text, "%s", list->year);
3406       ystart += ystep_head;
3407     }
3408
3409     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3410
3411     if (button != MB_MENU_INITIALIZE)
3412       FadeIn(REDRAW_FIELD);
3413   }
3414
3415   if (list != NULL && list->is_sound && IS_LOOP_SOUND(list->music))
3416     PlaySoundLoop(list->music);
3417 }
3418
3419 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3420 {
3421   int font_title = MENU_INFO_FONT_TITLE;
3422   int font_text  = MENU_INFO_FONT_TEXT;
3423   int font_foot  = MENU_INFO_FONT_FOOT;
3424   int spacing_title = menu.headline1_spacing_info[info_mode];
3425   int spacing_line  = menu.line_spacing_info[info_mode];
3426   int ystep_title = getMenuTextStep(spacing_title, font_title);
3427   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3428   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3429
3430   ClearField();
3431   DrawHeadline();
3432
3433   DrawTextSCentered(ystart, font_title, "Credits:");
3434
3435   char *filename = getCreditsFilename(screen_nr, use_global_credits_screens);
3436   int width = SXSIZE;
3437   int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART1;
3438   int chars = width / getFontWidth(font_text);
3439   int lines = height / getFontHeight(font_text);
3440   int padx = (width - chars * getFontWidth(font_text)) / 2;
3441   int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3442   boolean autowrap = FALSE;
3443   boolean centered = TRUE;
3444   boolean parse_comments = TRUE;
3445
3446   DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART1 + ystep_title,
3447                filename, font_text, chars, -1, lines, line_spacing, -1,
3448                autowrap, centered, parse_comments);
3449
3450   boolean last_screen = (screen_nr == num_credits_screens - 1);
3451   char *text_foot = (last_screen ? TEXT_INFO_MENU : TEXT_NEXT_PAGE);
3452
3453   DrawTextSCentered(ybottom, font_foot, text_foot);
3454 }
3455
3456 static void DrawInfoScreen_Credits(void)
3457 {
3458   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3459
3460   FadeMenuSoundsAndMusic();
3461
3462   FadeOut(REDRAW_FIELD);
3463
3464   HandleInfoScreen_Credits(0, 0, MB_MENU_INITIALIZE);
3465
3466   FadeIn(REDRAW_FIELD);
3467 }
3468
3469 void HandleInfoScreen_Credits(int dx, int dy, int button)
3470 {
3471   static int screen_nr = 0;
3472
3473   if (button == MB_MENU_INITIALIZE)
3474   {
3475     int i;
3476
3477     // determine number of (global or level set specific) credits screens
3478     for (i = 0; i < 2; i++)
3479     {
3480       num_credits_screens = 0;
3481       use_global_credits_screens = i;
3482
3483       while (getCreditsFilename(num_credits_screens,
3484                                 use_global_credits_screens) != NULL)
3485         num_credits_screens++;
3486
3487       if (num_credits_screens > 0)
3488         break;
3489     }
3490
3491     if (num_credits_screens == 0)
3492     {
3493       int font_title = MENU_INFO_FONT_TITLE;
3494       int font_foot  = MENU_INFO_FONT_FOOT;
3495       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3496       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3497
3498       ClearField();
3499       DrawHeadline();
3500
3501       DrawTextSCentered(ystart, font_title, "No credits for this level set.");
3502       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3503
3504       return;
3505     }
3506
3507     screen_nr = 0;
3508
3509     DrawInfoScreen_CreditsScreen(screen_nr);
3510   }
3511   else if (button == MB_MENU_LEAVE)
3512   {
3513     PlaySound(SND_MENU_ITEM_SELECTING);
3514
3515     info_mode = INFO_MODE_MAIN;
3516     DrawInfoScreen();
3517
3518     return;
3519   }
3520   else if (button == MB_MENU_CHOICE || dx)
3521   {
3522     PlaySound(SND_MENU_ITEM_SELECTING);
3523
3524     screen_nr += (dx < 0 ? -1 : +1);
3525
3526     if (screen_nr < 0 || screen_nr >= num_credits_screens)
3527     {
3528       FadeMenuSoundsAndMusic();
3529
3530       info_mode = INFO_MODE_MAIN;
3531       DrawInfoScreen();
3532
3533       return;
3534     }
3535
3536     FadeSetNextScreen();
3537
3538     FadeOut(REDRAW_FIELD);
3539
3540     DrawInfoScreen_CreditsScreen(screen_nr);
3541
3542     FadeIn(REDRAW_FIELD);
3543   }
3544   else
3545   {
3546     PlayMenuSoundIfLoop();
3547   }
3548 }
3549
3550 static void DrawInfoScreen_ProgramScreen(int screen_nr)
3551 {
3552   int font_title = MENU_INFO_FONT_TITLE;
3553   int font_text  = MENU_INFO_FONT_TEXT;
3554   int font_foot  = MENU_INFO_FONT_FOOT;
3555   int spacing_title = menu.headline1_spacing_info[info_mode];
3556   int spacing_line  = menu.line_spacing_info[info_mode];
3557   int ystep_title = getMenuTextStep(spacing_title, font_title);
3558   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3559   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3560
3561   ClearField();
3562   DrawHeadline();
3563
3564   DrawTextSCentered(ystart, font_title, "Program Information:");
3565
3566   char *filename = getProgramInfoFilename(screen_nr);
3567   int width = SXSIZE;
3568   int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART1;
3569   int chars = width / getFontWidth(font_text);
3570   int lines = height / getFontHeight(font_text);
3571   int padx = (width - chars * getFontWidth(font_text)) / 2;
3572   int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3573   boolean autowrap = FALSE;
3574   boolean centered = TRUE;
3575   boolean parse_comments = TRUE;
3576
3577   DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART1 + ystep_title,
3578                filename, font_text, chars, -1, lines, line_spacing, -1,
3579                autowrap, centered, parse_comments);
3580
3581   boolean last_screen = (screen_nr == num_program_info_screens - 1);
3582   char *text_foot = (last_screen ? TEXT_INFO_MENU : TEXT_NEXT_PAGE);
3583
3584   DrawTextSCentered(ybottom, font_foot, text_foot);
3585 }
3586
3587 static void DrawInfoScreen_Program(void)
3588 {
3589   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3590
3591   FadeMenuSoundsAndMusic();
3592
3593   FadeOut(REDRAW_FIELD);
3594
3595   HandleInfoScreen_Program(0, 0, MB_MENU_INITIALIZE);
3596
3597   FadeIn(REDRAW_FIELD);
3598 }
3599
3600 void HandleInfoScreen_Program(int dx, int dy, int button)
3601 {
3602   static int screen_nr = 0;
3603
3604   if (button == MB_MENU_INITIALIZE)
3605   {
3606     // determine number of program info screens
3607     num_program_info_screens = 0;
3608
3609     while (getProgramInfoFilename(num_program_info_screens) != NULL)
3610       num_program_info_screens++;
3611
3612     if (num_program_info_screens == 0)
3613     {
3614       int font_title = MENU_INFO_FONT_TITLE;
3615       int font_foot  = MENU_INFO_FONT_FOOT;
3616       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3617       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3618
3619       ClearField();
3620       DrawHeadline();
3621
3622       DrawTextSCentered(ystart, font_title, "No program info available.");
3623       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3624
3625       return;
3626     }
3627
3628     screen_nr = 0;
3629
3630     DrawInfoScreen_ProgramScreen(screen_nr);
3631   }
3632   else if (button == MB_MENU_LEAVE)
3633   {
3634     PlaySound(SND_MENU_ITEM_SELECTING);
3635
3636     info_mode = INFO_MODE_MAIN;
3637     DrawInfoScreen();
3638
3639     return;
3640   }
3641   else if (button == MB_MENU_CHOICE || dx)
3642   {
3643     PlaySound(SND_MENU_ITEM_SELECTING);
3644
3645     screen_nr += (dx < 0 ? -1 : +1);
3646
3647     if (screen_nr < 0 || screen_nr >= num_program_info_screens)
3648     {
3649       FadeMenuSoundsAndMusic();
3650
3651       info_mode = INFO_MODE_MAIN;
3652       DrawInfoScreen();
3653
3654       return;
3655     }
3656
3657     FadeSetNextScreen();
3658
3659     FadeOut(REDRAW_FIELD);
3660
3661     DrawInfoScreen_ProgramScreen(screen_nr);
3662
3663     FadeIn(REDRAW_FIELD);
3664   }
3665   else
3666   {
3667     PlayMenuSoundIfLoop();
3668   }
3669 }
3670
3671 static void DrawInfoScreen_Version(void)
3672 {
3673   int font_title = MENU_INFO_FONT_TITLE;
3674   int font_head  = MENU_INFO_FONT_HEAD;
3675   int font_text  = MENU_INFO_FONT_TEXT;
3676   int font_foot  = MENU_INFO_FONT_FOOT;
3677   int spacing_title = menu.headline1_spacing_info[info_mode];
3678   int spacing_head  = menu.headline2_spacing_info[info_mode];
3679   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3680   int spacing_line  = menu.line_spacing_info[info_mode];
3681   int xstep = getFontWidth(font_text);
3682   int ystep_title = getMenuTextStep(spacing_title, font_title);
3683   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3684   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3685   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3686   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3687   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3688   int xstart1 = mSX - SX + 2 * xstep;
3689   int xstart2 = mSX - SX + 18 * xstep;
3690   int xstart3 = mSX - SX + 28 * xstep;
3691   SDL_version sdl_version_compiled;
3692   const SDL_version *sdl_version_linked;
3693   int driver_name_len = 10;
3694   SDL_version sdl_version_linked_ext;
3695   const char *driver_name = NULL;
3696
3697   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3698
3699   FadeOut(REDRAW_FIELD);
3700
3701   ClearField();
3702   DrawHeadline();
3703
3704   DrawTextSCentered(ystart, font_title, "Version Information:");
3705   ystart += ystep_title;
3706
3707   DrawTextF(xstart1, ystart, font_head, "Name");
3708   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3709   ystart += ystep_line;
3710
3711   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3712   {
3713     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3714     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3715     ystart += ystep_line;
3716
3717     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3718     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3719     ystart += ystep_line;
3720   }
3721   else
3722   {
3723     DrawTextF(xstart1, ystart, font_head, "Version");
3724     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3725     ystart += ystep_line;
3726   }
3727
3728   DrawTextF(xstart1, ystart, font_head, "Platform");
3729   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3730             PLATFORM_STRING,
3731             PLATFORM_XX_BIT_STRING);
3732   ystart += ystep_line;
3733
3734   DrawTextF(xstart1, ystart, font_head, "Target");
3735   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3736   ystart += ystep_line;
3737
3738   DrawTextF(xstart1, ystart, font_head, "Source date");
3739   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3740   ystart += ystep_line;
3741
3742   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3743   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3744   ystart += ystep_para;
3745
3746   DrawTextF(xstart1, ystart, font_head, "Library");
3747   DrawTextF(xstart2, ystart, font_head, "compiled");
3748   DrawTextF(xstart3, ystart, font_head, "linked");
3749   ystart += ystep_head;
3750
3751   SDL_VERSION(&sdl_version_compiled);
3752   SDL_GetVersion(&sdl_version_linked_ext);
3753   sdl_version_linked = &sdl_version_linked_ext;
3754
3755   DrawTextF(xstart1, ystart, font_text, "SDL");
3756   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3757             sdl_version_compiled.major,
3758             sdl_version_compiled.minor,
3759             sdl_version_compiled.patch);
3760   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3761             sdl_version_linked->major,
3762             sdl_version_linked->minor,
3763             sdl_version_linked->patch);
3764   ystart += ystep_line;
3765
3766   SDL_IMAGE_VERSION(&sdl_version_compiled);
3767   sdl_version_linked = IMG_Linked_Version();
3768
3769   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3770   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3771             sdl_version_compiled.major,
3772             sdl_version_compiled.minor,
3773             sdl_version_compiled.patch);
3774   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3775             sdl_version_linked->major,
3776             sdl_version_linked->minor,
3777             sdl_version_linked->patch);
3778   ystart += ystep_line;
3779
3780   SDL_MIXER_VERSION(&sdl_version_compiled);
3781   sdl_version_linked = Mix_Linked_Version();
3782
3783   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3784   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3785             sdl_version_compiled.major,
3786             sdl_version_compiled.minor,
3787             sdl_version_compiled.patch);
3788   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3789             sdl_version_linked->major,
3790             sdl_version_linked->minor,
3791             sdl_version_linked->patch);
3792   ystart += ystep_line;
3793
3794   SDL_NET_VERSION(&sdl_version_compiled);
3795   sdl_version_linked = SDLNet_Linked_Version();
3796
3797   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3798   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3799             sdl_version_compiled.major,
3800             sdl_version_compiled.minor,
3801             sdl_version_compiled.patch);
3802   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3803             sdl_version_linked->major,
3804             sdl_version_linked->minor,
3805             sdl_version_linked->patch);
3806   ystart += ystep_para;
3807
3808   DrawTextF(xstart1, ystart, font_head, "Driver");
3809   DrawTextF(xstart2, ystart, font_head, "Requested");
3810   DrawTextF(xstart3, ystart, font_head, "Used");
3811   ystart += ystep_head;
3812
3813   driver_name =
3814     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3815
3816   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3817   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3818   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3819   ystart += ystep_line;
3820
3821   driver_name =
3822     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3823
3824   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3825   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3826   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3827   ystart += ystep_line;
3828
3829   driver_name =
3830     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3831
3832   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3833   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3834   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3835
3836   DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3837
3838   FadeIn(REDRAW_FIELD);
3839 }
3840
3841 void HandleInfoScreen_Version(int button)
3842 {
3843   if (button == MB_MENU_LEAVE)
3844   {
3845     PlaySound(SND_MENU_ITEM_SELECTING);
3846
3847     info_mode = INFO_MODE_MAIN;
3848     DrawInfoScreen();
3849
3850     return;
3851   }
3852   else if (button == MB_MENU_CHOICE)
3853   {
3854     PlaySound(SND_MENU_ITEM_SELECTING);
3855
3856     FadeMenuSoundsAndMusic();
3857
3858     info_mode = INFO_MODE_MAIN;
3859     DrawInfoScreen();
3860   }
3861   else
3862   {
3863     PlayMenuSoundIfLoop();
3864   }
3865 }
3866
3867 static void DrawInfoScreen_LevelSet(void)
3868 {
3869   struct TitleMessageInfo *tmi = &readme;
3870   char *filename = getLevelSetInfoFilename();
3871   char *title = "Level Set Information:";
3872   int font_foot = MENU_INFO_FONT_FOOT;
3873   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3874   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3875
3876   if (filename == NULL)
3877   {
3878     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3879
3880     return;
3881   }
3882
3883   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3884
3885   FadeOut(REDRAW_FIELD);
3886
3887   ClearField();
3888   DrawHeadline();
3889
3890   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3891
3892   // if x position set to "-1", automatically determine by playfield width
3893   if (tmi->x == -1)
3894     tmi->x = SXSIZE / 2;
3895
3896   // if y position set to "-1", use static default value
3897   if (tmi->y == -1)
3898     tmi->y = 150;
3899
3900   // if width set to "-1", automatically determine by playfield width
3901   if (tmi->width == -1)
3902     tmi->width = SXSIZE - 2 * TILEX;
3903
3904   // if height set to "-1", automatically determine by playfield height
3905   if (tmi->height == -1)
3906     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3907
3908   // if chars set to "-1", automatically determine by text and font width
3909   if (tmi->chars == -1)
3910     tmi->chars = tmi->width / getFontWidth(tmi->font);
3911   else
3912     tmi->width = tmi->chars * getFontWidth(tmi->font);
3913
3914   // if lines set to "-1", automatically determine by text and font height
3915   if (tmi->lines == -1)
3916     tmi->lines = tmi->height / getFontHeight(tmi->font);
3917   else
3918     tmi->height = tmi->lines * getFontHeight(tmi->font);
3919
3920   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3921                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3922                tmi->autowrap, tmi->centered, tmi->parse_comments);
3923
3924   DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3925
3926   FadeIn(REDRAW_FIELD);
3927 }
3928
3929 static void HandleInfoScreen_LevelSet(int button)
3930 {
3931   if (button == MB_MENU_LEAVE)
3932   {
3933     PlaySound(SND_MENU_ITEM_SELECTING);
3934
3935     info_mode = INFO_MODE_MAIN;
3936     DrawInfoScreen();
3937
3938     return;
3939   }
3940   else if (button == MB_MENU_CHOICE)
3941   {
3942     PlaySound(SND_MENU_ITEM_SELECTING);
3943
3944     FadeMenuSoundsAndMusic();
3945
3946     info_mode = INFO_MODE_MAIN;
3947     DrawInfoScreen();
3948   }
3949   else
3950   {
3951     PlayMenuSoundIfLoop();
3952   }
3953 }
3954
3955 static void DrawInfoScreen(void)
3956 {
3957   if (info_mode == INFO_MODE_TITLE)
3958     DrawInfoScreen_TitleScreen();
3959   else if (info_mode == INFO_MODE_ELEMENTS)
3960     DrawInfoScreen_Elements();
3961   else if (info_mode == INFO_MODE_MUSIC)
3962     DrawInfoScreen_Music();
3963   else if (info_mode == INFO_MODE_CREDITS)
3964     DrawInfoScreen_Credits();
3965   else if (info_mode == INFO_MODE_PROGRAM)
3966     DrawInfoScreen_Program();
3967   else if (info_mode == INFO_MODE_VERSION)
3968     DrawInfoScreen_Version();
3969   else if (info_mode == INFO_MODE_LEVELSET)
3970     DrawInfoScreen_LevelSet();
3971   else
3972     DrawInfoScreen_Main();
3973
3974   if (info_mode != INFO_MODE_MAIN &&
3975       info_mode != INFO_MODE_TITLE &&
3976       info_mode != INFO_MODE_MUSIC)
3977     PlayMenuSoundsAndMusic();
3978 }
3979
3980 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3981 {
3982   if (info_mode == INFO_MODE_TITLE)
3983     HandleInfoScreen_TitleScreen(dx, dy, button);
3984   else if (info_mode == INFO_MODE_ELEMENTS)
3985     HandleInfoScreen_Elements(dx, dy, button);
3986   else if (info_mode == INFO_MODE_MUSIC)
3987     HandleInfoScreen_Music(dx, dy, button);
3988   else if (info_mode == INFO_MODE_CREDITS)
3989     HandleInfoScreen_Credits(dx, dy, button);
3990   else if (info_mode == INFO_MODE_PROGRAM)
3991     HandleInfoScreen_Program(dx, dy, button);
3992   else if (info_mode == INFO_MODE_VERSION)
3993     HandleInfoScreen_Version(button);
3994   else if (info_mode == INFO_MODE_LEVELSET)
3995     HandleInfoScreen_LevelSet(button);
3996   else
3997     HandleInfoScreen_Main(mx, my, dx, dy, button);
3998 }
3999
4000
4001 // ============================================================================
4002 // type name functions
4003 // ============================================================================
4004
4005 static TreeInfo *type_name_node = NULL;
4006 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4007 static int type_name_nr = 0;
4008
4009 static int getPlayerNameColor(char *name)
4010 {
4011   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4012 }
4013
4014 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4015                              boolean active)
4016 {
4017   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4018   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4019   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4020   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4021   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4022   int font_width = getFontWidth(font_nr);
4023   int font_xoffset = getFontDrawOffsetX(font_nr);
4024   int font_yoffset = getFontDrawOffsetY(font_nr);
4025   int font_sx = sx + font_xoffset;
4026   int font_sy = sy + font_yoffset;
4027
4028   DrawBackgroundForFont(font_sx, font_sy, pos->width, pos->height, font_nr);
4029
4030   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4031
4032   pos->width = strlen(text) * font_width;
4033   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4034
4035   DrawText(sx, sy, text, font_nr);
4036 }
4037
4038 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4039 {
4040   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4041
4042   *pos = *mci->pos_input;
4043
4044   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4045   {
4046     TreeInfo *ti = player_name_current;
4047     int first_entry = ti->cl_first;
4048     int entry_pos = first_entry + ti->cl_cursor;
4049     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4050     int xpos = MENU_SCREEN_START_XPOS;
4051     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4052
4053     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4054     type_name_nr = entry_pos;
4055
4056     strcpy(name, type_name_node->name);
4057
4058     pos->x = xpos * 32;
4059     pos->y = ypos * 32;
4060     pos->width = MAX_PLAYER_NAME_LEN * 32;
4061   }
4062   else
4063   {
4064     type_name_nr = user.nr;
4065
4066     strcpy(name, setup.player_name);
4067   }
4068
4069   strcpy(type_name_last, name);
4070
4071   if (strEqual(name, EMPTY_PLAYER_NAME))
4072     strcpy(name, "");
4073
4074   *xpos = strlen(name);
4075 }
4076
4077 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4078 {
4079   // change name of edited user in global list of user names
4080   setString(&global.user_names[type_name_nr], name);
4081
4082   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4083   {
4084     TreeInfo *node = type_name_node;
4085
4086     // change name of edited user in local menu tree structure
4087     setString(&node->name, name);
4088     setString(&node->name_sorting, name);
4089
4090     node->color = getPlayerNameColor(name);
4091     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4092   }
4093 }
4094
4095 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4096                               boolean changed)
4097 {
4098   boolean reset_setup = strEqual(name, "");
4099   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4100   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4101
4102   if (!changed)
4103     strcpy(name, type_name_last);
4104
4105   if (strEqual(name, ""))
4106     strcpy(name, EMPTY_PLAYER_NAME);
4107
4108   setTypeNameValues_Name(name, pos);
4109
4110   // if player name not changed, no further action required
4111   if (strEqual(name, type_name_last))
4112     return;
4113
4114   // redraw player name before (possibly) opening request dialogs
4115   drawTypeNameText(name, pos, FALSE);
4116
4117   int last_user_nr = user.nr;
4118
4119   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4120   {
4121     // save setup of currently active user (may differ from edited user)
4122     SaveSetup();
4123
4124     // temporarily change active user to edited user
4125     user.nr = type_name_nr;
4126
4127     if (create_user &&
4128         Request("Use current setup values for the new player?", REQ_ASK))
4129     {
4130       // use current setup values for new user, but create new player UUID
4131       setup.player_uuid = getStringCopy(getUUID());
4132     }
4133     else
4134     {
4135       // load setup for existing user (or start with defaults for new user)
4136       LoadSetup();
4137     }
4138   }
4139
4140   char *setup_filename = getSetupFilename();
4141   boolean setup_exists = fileExists(setup_filename);
4142
4143   // change name of edited user in setup structure
4144   strcpy(setup.player_name, name);
4145
4146   // save setup of edited user
4147   SaveSetup();
4148
4149   // change name of edited user on score server
4150   ApiRenamePlayerAsThread();
4151
4152   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4153   {
4154     if (reset_setup)
4155     {
4156       if (Request("Reset setup values for this player?", REQ_ASK))
4157       {
4158         // remove setup config file
4159         unlink(setup_filename);
4160
4161         // set player name to default player name
4162         LoadSetup();
4163
4164         // update player name used by name typing functions
4165         strcpy(name, setup.player_name);
4166
4167         setTypeNameValues_Name(name, pos);
4168       }
4169     }
4170     else if (remove_user && type_name_nr != 0)
4171     {
4172       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4173       {
4174         char *user_dir = getUserGameDataDir();
4175         char *user_dir_removed =
4176           getStringCat3WithSeparator(user_dir, "REMOVED",
4177                                      getCurrentTimestamp(), ".");
4178
4179         if (rename(user_dir, user_dir_removed) != 0)
4180           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4181
4182         checked_free(user_dir_removed);
4183       }
4184     }
4185     else if (create_user && type_name_nr != 0 && !setup_exists)
4186     {
4187       if (Request("Create empty level set for the new player?", REQ_ASK))
4188       {
4189         char *levelset_subdir = getNewUserLevelSubdir();
4190
4191         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4192         {
4193           AddUserLevelSetToLevelInfo(levelset_subdir);
4194
4195           LevelDirTree *leveldir_current_last = leveldir_current;
4196
4197           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4198                                                        levelset_subdir);
4199
4200           // set level number of newly created level set to default value
4201           LoadLevelSetup_SeriesInfo();
4202
4203           // set newly created level set as current level set for new user
4204           SaveLevelSetup_LastSeries();
4205           SaveLevelSetup_SeriesInfo();
4206
4207           leveldir_current = leveldir_current_last;
4208         }
4209         else
4210         {
4211           Request("Creating new level set failed!", REQ_CONFIRM);
4212         }
4213       }
4214     }
4215
4216     // restore currently active user
4217     user.nr = last_user_nr;
4218
4219     // restore setup of currently active user
4220     LoadSetup();
4221
4222     // restore last level set of currently active user
4223     LoadLevelSetup_LastSeries();
4224     LoadLevelSetup_SeriesInfo();
4225   }
4226 }
4227
4228 static void HandleTypeNameExt(boolean initialize, Key key)
4229 {
4230   static struct TextPosInfo pos_name = { 0 };
4231   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4232   static int xpos = 0;
4233   struct TextPosInfo *pos = &pos_name;
4234   char key_char = getValidConfigValueChar(getCharFromKey(key));
4235   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4236   boolean active = TRUE;
4237
4238   if (initialize)
4239   {
4240     getTypeNameValues(name, pos, &xpos);
4241
4242     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4243     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4244
4245     StartTextInput(sx, sy, pos->width, pos->height);
4246   }
4247   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4248   {
4249     name[xpos] = key_char;
4250     name[xpos + 1] = 0;
4251
4252     xpos++;
4253   }
4254   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4255   {
4256     xpos--;
4257
4258     name[xpos] = 0;
4259   }
4260   else if (key == KSYM_Return || key == KSYM_Escape)
4261   {
4262     boolean changed = (key == KSYM_Return);
4263
4264     StopTextInput();
4265
4266     setTypeNameValues(name, pos, changed);
4267
4268     active = FALSE;
4269   }
4270
4271   drawTypeNameText(name, pos, active);
4272
4273   if (!active)
4274   {
4275     SetGameStatus(game_status_last_screen);
4276
4277     if (game_status == GAME_MODE_MAIN)
4278       InitializeMainControls();
4279   }
4280 }
4281
4282 static void DrawTypeName(void)
4283 {
4284   HandleTypeNameExt(TRUE, 0);
4285 }
4286
4287 void HandleTypeName(Key key)
4288 {
4289   HandleTypeNameExt(FALSE, key);
4290 }
4291
4292
4293 // ============================================================================
4294 // tree menu functions
4295 // ============================================================================
4296
4297 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4298 {
4299   if (game_status != GAME_MODE_SETUP ||
4300       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4301     return 0;
4302
4303   int max_text_size = 0;
4304   TreeInfo *node;
4305
4306   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4307     max_text_size = MAX(max_text_size, strlen(node->name));
4308
4309   int num_entries = numTreeInfoInGroup(ti);
4310   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4311   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4312   int text_width = max_text_size * getFontWidth(font_nr);
4313   int button_width = SC_MENUBUTTON_XSIZE;
4314   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4315   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4316   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4317   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4318   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4319   int align_xoffset = MAX(0, align_xoffset_raw);
4320
4321   return align_xoffset;
4322 }
4323
4324 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4325 {
4326   if (game_status != GAME_MODE_SETUP ||
4327       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4328     return 0;
4329
4330   int num_entries = numTreeInfoInGroup(ti);
4331   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4332   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4333   int font_height = getFontHeight(font_nr);
4334   int text_height = font_height * num_page_entries;
4335   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4336   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4337   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4338   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4339   int align_yoffset = MAX(0, align_yoffset_raw);
4340
4341   return align_yoffset;
4342 }
4343
4344 static void StartPlayingFromHallOfFame(void)
4345 {
4346   level_nr = scores.next_level_nr;
4347   LoadLevel(level_nr);
4348
4349   StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4350 }
4351
4352 static void DrawChooseTree(TreeInfo **ti_ptr)
4353 {
4354   int fade_mask = REDRAW_FIELD;
4355   boolean restart_music = (game_status != game_status_last_screen &&
4356                            game_status_last_screen != GAME_MODE_SCOREINFO);
4357
4358   scores.continue_on_return = (game_status == GAME_MODE_SCORES &&
4359                                game_status_last_screen == GAME_MODE_PLAYING);
4360
4361   if (CheckFadeAll())
4362     fade_mask = REDRAW_ALL;
4363
4364   if (*ti_ptr != NULL && strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4365   {
4366     if (game_status == GAME_MODE_SETUP)
4367     {
4368       execSetupArtwork();
4369     }
4370     else if (game_status == GAME_MODE_SCORES && scores.continue_playing)
4371     {
4372       StartPlayingFromHallOfFame();
4373     }
4374     else
4375     {
4376       SetGameStatus(GAME_MODE_MAIN);
4377
4378       DrawMainMenu();
4379     }
4380
4381     return;
4382   }
4383
4384   UnmapAllGadgets();
4385
4386   FreeScreenGadgets();
4387   CreateScreenGadgets();
4388
4389   if (restart_music)
4390     FadeMenuSoundsAndMusic();
4391
4392   FadeOut(fade_mask);
4393
4394   // needed if different viewport properties defined for this screen
4395   ChangeViewportPropertiesIfNeeded();
4396
4397   if (game_status == GAME_MODE_NAMES)
4398     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4399   else if (game_status == GAME_MODE_LEVELNR)
4400     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4401   else if (game_status == GAME_MODE_LEVELS)
4402     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4403   else if (game_status == GAME_MODE_SCORES)
4404     SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4405
4406   ClearField();
4407
4408   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4409
4410   // map gadgets for high score screen
4411   if (game_status == GAME_MODE_SCORES)
4412     MapScreenMenuGadgets(SCREEN_MASK_SCORES);
4413
4414   MapScreenTreeGadgets(*ti_ptr);
4415
4416   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4417
4418   DrawMaskedBorder(fade_mask);
4419
4420   if (restart_music)
4421     PlayMenuSoundsAndMusic();
4422
4423   FadeIn(fade_mask);
4424 }
4425
4426 static int getChooseTreeFont(TreeInfo *node, boolean active)
4427 {
4428   if (game_status == GAME_MODE_SCORES)
4429     return (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4430   else
4431     return MENU_CHOOSE_TREE_FONT(MENU_CHOOSE_TREE_COLOR(node, active));
4432 }
4433
4434 static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
4435 {
4436   int num_entries = numTreeInfoInGroup(ti);
4437   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4438   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4439   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4440   int first_entry = ti->cl_first;
4441   int entry_pos = first_entry + y;
4442   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4443   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4444   int font_nr = getChooseTreeFont(node, active);
4445   int font_xoffset = getFontDrawOffsetX(font_nr);
4446   int xpos = MENU_SCREEN_START_XPOS;
4447   int ypos = MENU_SCREEN_START_YPOS + y;
4448   int startdx = xpos * 32;
4449   int startdy = ypos * 32;
4450   int startx = amSX + startdx;
4451   int starty = amSY + startdy;
4452   int startx_text = startx + font_xoffset;
4453   int endx_text = amSX + screen_width;
4454   int max_text_size = endx_text - startx_text;
4455   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4456   char buffer[max_buffer_len + 1];
4457
4458   if (game_status == GAME_MODE_SCORES && !node->parent_link)
4459   {
4460     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4461     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4462     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4463     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4464     int font_size_1 = getFontWidth(font_nr1);
4465     int font_size_3 = getFontWidth(font_nr3);
4466     int font_size_4 = getFontWidth(font_nr4);
4467     int text_size_1 = 4 * font_size_1;
4468     int text_size_4 = 5 * font_size_4;
4469     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
4470     int dx1 = 0;
4471     int dx3 = text_size_1;
4472     int dx4 = SXSIZE - 2 * startdx - 2 * border - text_size_4;
4473     int num_dots = (dx4 - dx3) / font_size_3;
4474     int startx1 = startx + dx1;
4475     int startx3 = startx + dx3;
4476     int startx4 = startx + dx4;
4477     int pos = node->pos;
4478     char *pos_text = getHallOfFameRankText(pos, 3);
4479     int i;
4480
4481     DrawText(startx1, starty, pos_text, font_nr1);
4482
4483     for (i = 0; i < num_dots; i++)
4484       DrawText(startx3 + i * font_size_3, starty, ".", font_nr3);
4485
4486     if (!strEqual(scores.entry[pos].name, EMPTY_PLAYER_NAME))
4487       DrawText(startx3, starty, scores.entry[pos].name, font_nr2);
4488
4489     DrawText(startx4, starty, getHallOfFameScoreText(pos, 5), font_nr4);
4490   }
4491   else
4492   {
4493     strncpy(buffer, node->name, max_buffer_len);
4494     buffer[max_buffer_len] = '\0';
4495
4496     DrawText(startx, starty, buffer, font_nr);
4497   }
4498 }
4499
4500 static void drawChooseTreeHeadExt(int type, char *title_string)
4501 {
4502   int yoffset_sets = MENU_TITLE1_YPOS;
4503   int yoffset_setup = 16;
4504   int yoffset = (type == TREE_TYPE_SCORE_ENTRY ||
4505                  type == TREE_TYPE_LEVEL_DIR ||
4506                  type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4507
4508   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4509 }
4510
4511 static void drawChooseTreeHead(TreeInfo *ti)
4512 {
4513   drawChooseTreeHeadExt(ti->type, ti->infotext);
4514 }
4515
4516 static void drawChooseTreeList(TreeInfo *ti)
4517 {
4518   int first_entry = ti->cl_first;
4519   int num_entries = numTreeInfoInGroup(ti);
4520   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4521   int i;
4522
4523   clearMenuListArea();
4524
4525   for (i = 0; i < num_page_entries; i++)
4526   {
4527     TreeInfo *node, *node_first;
4528     int entry_pos = first_entry + i;
4529
4530     node_first = getTreeInfoFirstGroupEntry(ti);
4531     node = getTreeInfoFromPos(node_first, entry_pos);
4532
4533     drawChooseTreeText(ti, i, FALSE);
4534
4535     if (node->parent_link)
4536       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4537     else if (node->level_group)
4538       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4539     else
4540       initCursor(i, IMG_MENU_BUTTON);
4541
4542     if (game_status == GAME_MODE_SCORES && node->pos == scores.last_added)
4543       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4544
4545     if (game_status == GAME_MODE_NAMES)
4546       drawChooseTreeEdit(i, FALSE);
4547   }
4548
4549   redraw_mask |= REDRAW_FIELD;
4550 }
4551
4552 static void drawChooseTreeInfo(TreeInfo *ti)
4553 {
4554   int entry_pos = ti->cl_first + ti->cl_cursor;
4555   int last_redraw_mask = redraw_mask;
4556   int ypos = MENU_TITLE2_YPOS;
4557   int font_nr = FONT_TITLE_2;
4558   int x;
4559
4560   if (ti->type == TREE_TYPE_LEVEL_NR)
4561     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4562
4563   if (ti->type == TREE_TYPE_SCORE_ENTRY)
4564     DrawTextFCentered(ypos, font_nr, "HighScores of Level %d",
4565                       scores.last_level_nr);
4566
4567   if (ti->type != TREE_TYPE_LEVEL_DIR)
4568     return;
4569
4570   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4571   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4572
4573   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4574
4575   if (node->parent_link)
4576     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4577                       node->node_parent->name);
4578   else if (node->level_group)
4579     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4580                       node->name);
4581   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4582     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4583                       node->levels, (node->levels > 1 ? "levels" : "level"),
4584                       node->class_desc);
4585
4586   // let BackToFront() redraw only what is needed
4587   redraw_mask = last_redraw_mask;
4588   for (x = 0; x < SCR_FIELDX; x++)
4589     MarkTileDirty(x, 1);
4590 }
4591
4592 static void drawChooseTreeCursorAndText(TreeInfo *ti, boolean active)
4593 {
4594   drawChooseTreeCursor(ti->cl_cursor, active);
4595   drawChooseTreeText(ti, ti->cl_cursor, active);
4596 }
4597
4598 static void drawChooseTreeScreen(TreeInfo *ti)
4599 {
4600   drawChooseTreeHead(ti);
4601   drawChooseTreeList(ti);
4602   drawChooseTreeInfo(ti);
4603   drawChooseTreeCursorAndText(ti, TRUE);
4604
4605   AdjustChooseTreeScrollbar(ti, SCREEN_CTRL_ID_SCROLL_VERTICAL);
4606
4607   // scroll bar and buttons may just have been added after reloading scores
4608   if (game_status == GAME_MODE_SCORES)
4609     MapScreenTreeGadgets(ti);
4610 }
4611
4612 static void drawChooseTreeScreen_Scores_NotAvailable(void)
4613 {
4614   // dirty workaround to use spacing definitions from info screen
4615   info_mode = INFO_MODE_TITLE;
4616
4617   char *text_info = "HighScores of Level %d";
4618   char *text_title = "Score information:";
4619   char *text_error = "No scores for this level.";
4620   char *text_foot = "Press any key or button for main menu";
4621   int font_info = FONT_TITLE_2;
4622   int font_title = FONT_INITIAL_3;
4623   int font_error = FONT_INITIAL_4;
4624   int font_foot  = FONT_INITIAL_2;
4625   int spacing_title = menu.headline1_spacing_info[INFO_MODE_TITLE];
4626   int ystep_title = getMenuTextStep(spacing_title, font_title);
4627   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
4628   int ystart2 = ystart1 + ystep_title;
4629   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
4630   int ystart0 = MENU_TITLE2_YPOS;
4631
4632   drawChooseTreeHeadExt(TREE_TYPE_SCORE_ENTRY, INFOTEXT_SCORE_ENTRY);
4633   DrawTextFCentered(ystart0, font_info, text_info, scores.last_level_nr);
4634
4635   DrawTextSCentered(ystart1, font_title, text_title);
4636   DrawTextSCentered(ystart2, font_error, text_error);
4637
4638   DrawTextSCentered(ybottom, font_foot, text_foot);
4639 }
4640
4641 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
4642 {
4643   int score_pos = scores.last_added;
4644
4645   if (game_status_last_screen == GAME_MODE_SCOREINFO)
4646     score_pos = scores.last_entry_nr;
4647
4648   // set current tree entry to last added score entry
4649   *ti_ptr = getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
4650
4651   // if that fails, set current tree entry to first entry (back link)
4652   if (*ti_ptr == NULL)
4653     *ti_ptr = score_entries->node_group;
4654
4655   int num_entries = numTreeInfoInGroup(*ti_ptr);
4656   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4657   int pos_score = getPosFromTreeInfo(*ti_ptr);
4658   int pos_first_raw = pos_score - (num_page_entries + 1) / 2 + 1;
4659   int pos_first = MIN(MAX(0, pos_first_raw), num_entries - num_page_entries);
4660
4661   (*ti_ptr)->cl_first = pos_first;
4662   (*ti_ptr)->cl_cursor = pos_score - pos_first;
4663
4664   return *ti_ptr;
4665 }
4666
4667 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4668                              TreeInfo **ti_ptr)
4669 {
4670   TreeInfo *ti = *ti_ptr;
4671   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4672   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4673   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4674   int sx1_edit_name = getChooseTreeEditXPosReal(POS_LEFT);
4675   int sx2_edit_name = getChooseTreeEditXPosReal(POS_RIGHT);
4676   int x = 0;
4677   int y = (ti != NULL ? ti->cl_cursor : 0);
4678   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4679   int num_entries = numTreeInfoInGroup(ti);
4680   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4681   boolean position_set_by_scrollbar = (dx == 999);
4682   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
4683   boolean button_is_valid = (mx >= 0 && my >= 0);
4684   boolean button_screen_clicked = (button_action && button_is_valid);
4685
4686   if (game_status == GAME_MODE_SCORES)
4687   {
4688     if (server_scores.updated)
4689     {
4690       // reload scores, using updated server score cache file
4691       LoadLocalAndServerScore(scores.last_level_nr, FALSE);
4692
4693       server_scores.updated = FALSE;
4694
4695       DrawHallOfFame_setScoreEntries();
4696
4697       if (score_entries != NULL)
4698       {
4699         ti = setHallOfFameActiveEntry(ti_ptr);
4700
4701         if (button != MB_MENU_INITIALIZE)
4702           drawChooseTreeScreen(ti);
4703       }
4704     }
4705
4706     if (score_entries == NULL)
4707     {
4708       if (button == MB_MENU_INITIALIZE)
4709       {
4710         drawChooseTreeScreen_Scores_NotAvailable();
4711       }
4712       else if (button_screen_clicked)
4713       {
4714         PlaySound(SND_MENU_ITEM_SELECTING);
4715
4716         SetGameStatus(GAME_MODE_MAIN);
4717
4718         DrawMainMenu();
4719       }
4720
4721       return;
4722     }
4723   }
4724
4725   if (button == MB_MENU_INITIALIZE)
4726   {
4727     int num_entries = numTreeInfoInGroup(ti);
4728     int entry_pos = getPosFromTreeInfo(ti);
4729
4730     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4731     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4732
4733     if (game_status == GAME_MODE_SCORES)
4734     {
4735       ti = setHallOfFameActiveEntry(ti_ptr);
4736     }
4737     else if (ti->cl_first == -1)
4738     {
4739       // only on initialization
4740       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4741       ti->cl_cursor = entry_pos - ti->cl_first;
4742
4743     }
4744     else if (ti->cl_cursor >= num_page_entries ||
4745              (num_entries > num_page_entries &&
4746               num_entries - ti->cl_first < num_page_entries))
4747     {
4748       // only after change of list size (by custom graphic configuration)
4749       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4750       ti->cl_cursor = entry_pos - ti->cl_first;
4751     }
4752
4753     if (position_set_by_scrollbar)
4754       ti->cl_first = dy;
4755
4756     drawChooseTreeScreen(ti);
4757
4758     return;
4759   }
4760   else if (button == MB_MENU_LEAVE)
4761   {
4762     if (game_status != GAME_MODE_SCORES)
4763       FadeSetLeaveMenu();
4764
4765     PlaySound(SND_MENU_ITEM_SELECTING);
4766
4767     if (ti->node_parent)
4768     {
4769       *ti_ptr = ti->node_parent;
4770       DrawChooseTree(ti_ptr);
4771     }
4772     else if (game_status == GAME_MODE_SETUP)
4773     {
4774       if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4775           setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4776           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4777           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4778         execSetupGame();
4779       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4780                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4781                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4782                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4783         execSetupGraphics();
4784       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4785                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4786                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4787         execSetupSound();
4788       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4789                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4790                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4791                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4792                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4793                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4794                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4795                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4796         execSetupTouch();
4797       else
4798         execSetupArtwork();
4799     }
4800     else
4801     {
4802       if (game_status == GAME_MODE_LEVELNR)
4803       {
4804         int new_level_nr = atoi(level_number_current->identifier);
4805
4806         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4807       }
4808
4809       SetGameStatus(GAME_MODE_MAIN);
4810
4811       DrawMainMenu();
4812     }
4813
4814     return;
4815   }
4816
4817 #if defined(PLATFORM_ANDROID)
4818   // directly continue when touching the screen after playing
4819   if ((mx || my) && scores.continue_on_return)
4820   {
4821     // ignore touch events until released
4822     mx = my = 0;
4823   }
4824 #endif
4825
4826   // any mouse click or cursor key stops leaving scores by "Return" key
4827   if ((mx || my || dx || dy) && scores.continue_on_return)
4828   {
4829     scores.continue_on_return = FALSE;
4830     level_nr = scores.last_level_nr;
4831     LoadLevel(level_nr);
4832   }
4833
4834   if (mx || my)         // mouse input
4835   {
4836     x = (mx - amSX) / 32;
4837     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4838
4839     if (game_status == GAME_MODE_NAMES)
4840       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4841   }
4842   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4843   {
4844     // move cursor instead of scrolling when already at start/end of list
4845     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4846       dy = -1;
4847     else if (dy == +1 * SCROLL_LINE &&
4848              ti->cl_first + num_page_entries == num_entries)
4849       dy = 1;
4850
4851     // handle scrolling screen one line or page
4852     if (ti->cl_cursor + dy < 0 ||
4853         ti->cl_cursor + dy > num_page_entries - 1)
4854     {
4855       boolean redraw = FALSE;
4856
4857       if (ABS(dy) == SCROLL_PAGE)
4858         step = num_page_entries - 1;
4859
4860       if (dy < 0 && ti->cl_first > 0)
4861       {
4862         // scroll page/line up
4863
4864         ti->cl_first -= step;
4865         if (ti->cl_first < 0)
4866           ti->cl_first = 0;
4867
4868         redraw = TRUE;
4869       }
4870       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4871       {
4872         // scroll page/line down
4873
4874         ti->cl_first += step;
4875         if (ti->cl_first + num_page_entries > num_entries)
4876           ti->cl_first = MAX(0, num_entries - num_page_entries);
4877
4878         redraw = TRUE;
4879       }
4880
4881       if (redraw)
4882         drawChooseTreeScreen(ti);
4883
4884       return;
4885     }
4886
4887     // handle moving cursor one line
4888     y = ti->cl_cursor + dy;
4889   }
4890
4891   if (game_status == GAME_MODE_SCORES && ABS(dx) == 1)
4892   {
4893     HandleHallOfFame_SelectLevel(1, dx);
4894
4895     return;
4896   }
4897   else if (dx == 1)
4898   {
4899     TreeInfo *node_first, *node_cursor;
4900     int entry_pos = ti->cl_first + y;
4901
4902     node_first = getTreeInfoFirstGroupEntry(ti);
4903     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4904
4905     if (node_cursor->node_group)
4906     {
4907       FadeSetEnterMenu();
4908
4909       PlaySound(SND_MENU_ITEM_SELECTING);
4910
4911       node_cursor->cl_first = ti->cl_first;
4912       node_cursor->cl_cursor = ti->cl_cursor;
4913
4914       *ti_ptr = node_cursor->node_group;
4915       DrawChooseTree(ti_ptr);
4916
4917       return;
4918     }
4919   }
4920   else if ((dx == -1 || button == MB_MENU_CONTINUE) && ti->node_parent)
4921   {
4922     if (game_status != GAME_MODE_SCORES)
4923       FadeSetLeaveMenu();
4924
4925     PlaySound(SND_MENU_ITEM_SELECTING);
4926
4927     *ti_ptr = ti->node_parent;
4928     DrawChooseTree(ti_ptr);
4929
4930     return;
4931   }
4932
4933   if (!anyScrollbarGadgetActive() &&
4934       IN_VIS_MENU(x, y) &&
4935       mx < mx_right_border &&
4936       y >= 0 && y < num_page_entries)
4937   {
4938     if (button)
4939     {
4940       if (game_status == GAME_MODE_NAMES)
4941       {
4942         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4943           drawChooseTreeEdit(y, TRUE);
4944       }
4945
4946       if (y != ti->cl_cursor)
4947       {
4948         PlaySound(SND_MENU_ITEM_ACTIVATING);
4949
4950         drawChooseTreeCursorAndText(ti, FALSE);
4951
4952         ti->cl_cursor = y;
4953
4954         drawChooseTreeCursorAndText(ti, TRUE);
4955
4956         drawChooseTreeInfo(ti);
4957       }
4958       else if (dx < 0)
4959       {
4960         if (game_status == GAME_MODE_SETUP)
4961         {
4962           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4963               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4964               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4965               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4966             execSetupGame();
4967           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4968                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4969                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4970                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4971             execSetupGraphics();
4972           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4973                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4974                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4975             execSetupSound();
4976           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4977                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4978                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4979                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4980                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4981                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4982                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4983                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4984             execSetupTouch();
4985           else
4986             execSetupArtwork();
4987         }
4988       }
4989     }
4990     else
4991     {
4992       TreeInfo *node_first, *node_cursor;
4993       int entry_pos = ti->cl_first + y;
4994
4995       PlaySound(SND_MENU_ITEM_SELECTING);
4996
4997       node_first = getTreeInfoFirstGroupEntry(ti);
4998       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4999
5000       if (node_cursor->node_group)
5001       {
5002         FadeSetEnterMenu();
5003
5004         node_cursor->cl_first = ti->cl_first;
5005         node_cursor->cl_cursor = ti->cl_cursor;
5006
5007         *ti_ptr = node_cursor->node_group;
5008         DrawChooseTree(ti_ptr);
5009       }
5010       else if (node_cursor->parent_link)
5011       {
5012         if (game_status != GAME_MODE_SCORES)
5013           FadeSetLeaveMenu();
5014
5015         *ti_ptr = node_cursor->node_parent;
5016         DrawChooseTree(ti_ptr);
5017       }
5018       else
5019       {
5020         if (game_status != GAME_MODE_SCORES)
5021           FadeSetEnterMenu();
5022
5023         node_cursor->cl_first = ti->cl_first;
5024         node_cursor->cl_cursor = ti->cl_cursor;
5025
5026         *ti_ptr = node_cursor;
5027
5028         if (ti->type == TREE_TYPE_LEVEL_DIR)
5029         {
5030           LoadLevelSetup_SeriesInfo();
5031
5032           SaveLevelSetup_LastSeries();
5033           SaveLevelSetup_SeriesInfo();
5034           TapeErase();
5035         }
5036
5037         if (game_status == GAME_MODE_SETUP)
5038         {
5039           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5040               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5041               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5042               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5043             execSetupGame();
5044           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5045                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5046                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5047                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5048             execSetupGraphics();
5049           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5050                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5051                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5052             execSetupSound();
5053           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5054                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5055                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5056                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5057                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5058                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5059                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5060                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5061             execSetupTouch();
5062           else
5063             execSetupArtwork();
5064         }
5065         else
5066         {
5067           if (game_status == GAME_MODE_LEVELNR)
5068           {
5069             int new_level_nr = atoi(level_number_current->identifier);
5070
5071             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5072           }
5073           else if (game_status == GAME_MODE_LEVELS)
5074           {
5075             // store level set if chosen from "last played level set" menu
5076             StoreLastPlayedLevels(leveldir_current);
5077           }
5078           else if (game_status == GAME_MODE_NAMES)
5079           {
5080             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5081             {
5082               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5083
5084               DrawTypeName();
5085
5086               return;
5087             }
5088
5089             // change active user to selected user
5090             user.nr = entry_pos;
5091
5092             // save number of new active user
5093             SaveUserSetup();
5094
5095             // load setup of new active user
5096             LoadSetup();
5097
5098             // load last level set of new active user
5099             LoadLevelSetup_LastSeries();
5100             LoadLevelSetup_SeriesInfo();
5101
5102             // update list of last played level sets
5103             UpdateLastPlayedLevels_TreeInfo();
5104
5105             TapeErase();
5106
5107             ToggleFullscreenIfNeeded();
5108             ChangeWindowScalingIfNeeded();
5109
5110             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5111             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5112             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5113           }
5114           else if (game_status == GAME_MODE_SCORES)
5115           {
5116             if (scores.continue_playing && scores.continue_on_return)
5117             {
5118               StartPlayingFromHallOfFame();
5119
5120               return;
5121             }
5122             else if (!scores.continue_on_return)
5123             {
5124               SetGameStatus(GAME_MODE_SCOREINFO);
5125
5126               DrawScoreInfo(node_cursor->pos);
5127
5128               return;
5129             }
5130           }
5131
5132           SetGameStatus(GAME_MODE_MAIN);
5133
5134           DrawMainMenu();
5135         }
5136       }
5137     }
5138   }
5139
5140   if (game_status == GAME_MODE_SCORES)
5141     PlayMenuSoundIfLoop();
5142 }
5143
5144 void DrawChoosePlayerName(void)
5145 {
5146   int i;
5147
5148   if (player_name != NULL)
5149   {
5150     freeTreeInfo(player_name);
5151
5152     player_name = NULL;
5153   }
5154
5155   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5156   {
5157     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5158     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5159     int value = i;
5160
5161     ti->node_top = &player_name;
5162     ti->sort_priority = 10000 + value;
5163     ti->color = getPlayerNameColor(global.user_names[i]);
5164
5165     snprintf(identifier, sizeof(identifier), "%d", value);
5166     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5167
5168     setString(&ti->identifier, identifier);
5169     setString(&ti->name, name);
5170     setString(&ti->name_sorting, name);
5171
5172     pushTreeInfo(&player_name, ti);
5173   }
5174
5175   // sort player entries by player number
5176   sortTreeInfo(&player_name);
5177
5178   // set current player entry to selected player entry
5179   player_name_current =
5180     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5181
5182   // if that fails, set current player name to first available name
5183   if (player_name_current == NULL)
5184     player_name_current = player_name;
5185
5186   // set text size for main name input (also used on name selection screen)
5187   InitializeMainControls();
5188
5189   DrawChooseTree(&player_name_current);
5190 }
5191
5192 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5193 {
5194   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5195 }
5196
5197 void DrawChooseLevelSet(void)
5198 {
5199   DrawChooseTree(&leveldir_current);
5200 }
5201
5202 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5203 {
5204   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5205 }
5206
5207 void DrawChooseLevelNr(void)
5208 {
5209   int i;
5210
5211   if (level_number != NULL)
5212   {
5213     freeTreeInfo(level_number);
5214
5215     level_number = NULL;
5216   }
5217
5218   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5219   {
5220     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5221     char identifier[32], name[64];
5222     int value = i;
5223
5224     // temporarily load level info to get level name
5225     LoadLevelInfoOnly(i);
5226
5227     ti->node_top = &level_number;
5228     ti->sort_priority = 10000 + value;
5229     ti->color = (level.no_level_file ? FC_BLUE :
5230                  LevelStats_getSolved(i) ? FC_GREEN :
5231                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5232
5233     snprintf(identifier, sizeof(identifier), "%d", value);
5234     snprintf(name, sizeof(name), "%03d: %s", value,
5235              (level.no_level_file ? "(no file)" : level.name));
5236
5237     setString(&ti->identifier, identifier);
5238     setString(&ti->name, name);
5239     setString(&ti->name_sorting, name);
5240
5241     pushTreeInfo(&level_number, ti);
5242   }
5243
5244   // sort level number values to start with lowest level number
5245   sortTreeInfo(&level_number);
5246
5247   // set current level number to current level number
5248   level_number_current =
5249     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5250
5251   // if that also fails, set current level number to first available level
5252   if (level_number_current == NULL)
5253     level_number_current = level_number;
5254
5255   DrawChooseTree(&level_number_current);
5256 }
5257
5258 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5259 {
5260   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5261 }
5262
5263 static void DrawHallOfFame_setScoreEntries(void)
5264 {
5265   int max_empty_entries = 10;   // at least show "top ten" list, if empty
5266   int max_visible_entries = NUM_MENU_ENTRIES_ON_SCREEN - 1;   // w/o back link
5267   int min_score_entries = MIN(max_empty_entries, max_visible_entries);
5268   int score_pos = (scores.last_added >= 0 ? scores.last_added : 0);
5269   int i;
5270
5271   if (score_entries != NULL)
5272   {
5273     freeTreeInfo(score_entries);
5274
5275     score_entries = NULL;
5276   }
5277
5278   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
5279   {
5280     // do not add empty score entries if off-screen
5281     if (scores.entry[i].score == 0 &&
5282         scores.entry[i].time == 0 &&
5283         i >= min_score_entries)
5284       break;
5285
5286     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_SCORE_ENTRY);
5287     char identifier[32], name[64];
5288     int value = i;
5289
5290     ti->node_top = &score_entries;
5291     ti->sort_priority = 10000 + value;
5292     ti->color = FC_YELLOW;
5293     ti->pos = i;
5294
5295     snprintf(identifier, sizeof(identifier), "%d", value);
5296     snprintf(name, sizeof(name), "%03d.", value + 1);
5297
5298     setString(&ti->identifier, identifier);
5299     setString(&ti->name, name);
5300     setString(&ti->name_sorting, name);
5301
5302     pushTreeInfo(&score_entries, ti);
5303   }
5304
5305   // sort score entries to start with highest score entry
5306   sortTreeInfo(&score_entries);
5307
5308   // add top tree node to create back link to main menu
5309   score_entries = addTopTreeInfoNode(score_entries);
5310
5311   // set current score entry to last added or highest score entry
5312   score_entry_current =
5313     getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5314
5315   // if that fails, set current score entry to first valid score entry
5316   if (score_entry_current == NULL)
5317     score_entry_current = getFirstValidTreeInfoEntry(score_entries);
5318
5319   if (score_entries != NULL && scores.continue_playing)
5320     setString(&score_entries->node_group->name, BACKLINK_TEXT_NEXT);
5321
5322   // ("score_entries" and "score_entry_current" may be NULL here)
5323 }
5324
5325 void DrawHallOfFame(int nr)
5326 {
5327   scores.last_level_nr = nr;
5328
5329   // (this is needed when called from GameEnd() after winning a game)
5330   KeyboardAutoRepeatOn();
5331
5332   // (this is needed when called from GameEnd() after winning a game)
5333   SetDrawDeactivationMask(REDRAW_NONE);
5334   SetDrawBackgroundMask(REDRAW_FIELD);
5335
5336   LoadLocalAndServerScore(scores.last_level_nr, TRUE);
5337
5338   DrawHallOfFame_setScoreEntries();
5339
5340   if (scores.last_added >= 0)
5341     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5342
5343   FadeSetEnterScreen();
5344
5345   DrawChooseTree(&score_entry_current);
5346 }
5347
5348 static char *getHallOfFameRankText(int nr, int size)
5349 {
5350   static char rank_text[10];
5351   boolean forced = (scores.force_last_added && nr == scores.last_added);
5352   char *rank_text_raw = (forced ? "???" : int2str(nr + 1, size));
5353
5354   sprintf(rank_text, "%s%s", rank_text_raw, (size > 0 || !forced ? "." : ""));
5355
5356   return rank_text;
5357 }
5358
5359 static char *getHallOfFameTimeText(int nr)
5360 {
5361   static char score_text[10];
5362   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5363   int mm = (time_seconds / 60) % 60;
5364   int ss = (time_seconds % 60);
5365
5366   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5367
5368   return score_text;
5369 }
5370
5371 static char *getHallOfFameScoreText(int nr, int size)
5372 {
5373   if (!level.rate_time_over_score)
5374     return int2str(scores.entry[nr].score, size);       // show normal score
5375   else if (level.use_step_counter)
5376     return int2str(scores.entry[nr].time, size);        // show number of steps
5377   else
5378     return getHallOfFameTimeText(nr);                   // show playing time
5379 }
5380
5381 static char *getHallOfFameTapeDateText(struct ScoreEntry *entry)
5382 {
5383   static char tape_date[MAX_ISO_DATE_LEN + 1];
5384   int i, j;
5385
5386   if (!strEqual(entry->tape_date, UNKNOWN_NAME) ||
5387       strEqual(entry->tape_basename, UNDEFINED_FILENAME))
5388     return entry->tape_date;
5389
5390   for (i = 0, j = 0; i < 8; i++, j++)
5391   {
5392     tape_date[j] = entry->tape_basename[i];
5393
5394     if (i == 3 || i == 5)
5395       tape_date[++j] = '-';
5396   }
5397
5398   tape_date[MAX_ISO_DATE_LEN] = '\0';
5399
5400   return tape_date;
5401 }
5402
5403 static void HandleHallOfFame_SelectLevel(int step, int direction)
5404 {
5405   int old_level_nr = scores.last_level_nr;
5406   int new_level_nr = old_level_nr + step * direction;
5407
5408   if (new_level_nr < leveldir_current->first_level)
5409     new_level_nr = leveldir_current->first_level;
5410   if (new_level_nr > leveldir_current->last_level)
5411     new_level_nr = leveldir_current->last_level;
5412
5413   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
5414     new_level_nr = leveldir_current->handicap_level;
5415
5416   if (new_level_nr != old_level_nr)
5417   {
5418     PlaySound(SND_MENU_ITEM_SELECTING);
5419
5420     scores.last_level_nr = level_nr = new_level_nr;
5421     scores.last_entry_nr = 0;
5422
5423     LoadLevel(level_nr);
5424     LoadLocalAndServerScore(level_nr, TRUE);
5425
5426     DrawHallOfFame_setScoreEntries();
5427
5428     if (game_status == GAME_MODE_SCORES)
5429     {
5430       // force remapping optional gadgets (especially scroll bar)
5431       UnmapScreenTreeGadgets();
5432
5433       // redraw complete high score screen, as sub-title has changed
5434       ClearField();
5435
5436       // redraw level selection buttons (which have just been erased)
5437       RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5438
5439       HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, &score_entry_current);
5440     }
5441     else
5442     {
5443       DrawScoreInfo_Content(scores.last_entry_nr);
5444     }
5445
5446     SaveLevelSetup_SeriesInfo();
5447   }
5448 }
5449
5450 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5451 {
5452   HandleChooseTree(mx, my, dx, dy, button, &score_entry_current);
5453 }
5454
5455 static void DrawScoreInfo_Content(int entry_nr)
5456 {
5457   struct ScoreEntry *entry = &scores.entry[entry_nr];
5458   char *pos_text = getHallOfFameRankText(entry_nr, 0);
5459   char *tape_date = getHallOfFameTapeDateText(entry);
5460   int font_title = MENU_INFO_FONT_TITLE;
5461   int font_head  = MENU_INFO_FONT_HEAD;
5462   int font_text  = MENU_INFO_FONT_TEXT;
5463   int font_foot  = MENU_INFO_FONT_FOOT;
5464   int spacing_title = menu.headline1_spacing[GAME_MODE_SCOREINFO];
5465   int spacing_para  = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
5466   int spacing_line  = menu.line_spacing[GAME_MODE_SCOREINFO];
5467   int xstep = getFontWidth(font_text);
5468   int ystep_title = getMenuTextStep(spacing_title, font_title);
5469   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
5470   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
5471   int xstart  = mSX - SX + menu.left_spacing[GAME_MODE_SCOREINFO];
5472   int ystart  = mSY - SY + menu.top_spacing[GAME_MODE_SCOREINFO];
5473   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
5474   int xstart1 = xstart + xstep;
5475   int xstart2 = xstart + xstep * 12;
5476   int select_x = SX + xstart1;
5477   int select_y1, select_y2;
5478   int play_x, play_y;
5479   int play_height = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]->height;
5480   boolean play_visible = !strEqual(tape_date, UNKNOWN_NAME);
5481   int font_width = getFontWidth(font_text);
5482   int font_height = getFontHeight(font_text);
5483   int tape_date_width  = getTextWidth(tape_date, font_text);
5484   int pad_left = xstart2;
5485   int pad_right = menu.right_spacing[GAME_MODE_SCOREINFO];
5486   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
5487   int max_lines_per_text = 5;
5488   int lines;
5489
5490   ClearField();
5491
5492   // redraw level selection buttons (which have just been erased)
5493   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5494
5495   if (score_entries == NULL)
5496   {
5497     drawChooseTreeScreen_Scores_NotAvailable();
5498
5499     return;
5500   }
5501
5502   drawChooseTreeHead(score_entries);
5503   drawChooseTreeInfo(score_entries);
5504
5505   DrawTextSCentered(ystart, font_title, "Score Information:");
5506   ystart += ystep_title;
5507
5508   DrawTextF(xstart1, ystart, font_head, "Level Set");
5509   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
5510                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5511                           TRUE, FALSE, FALSE);
5512   ystart += ystep_line + (lines > 0 ? lines - 1 : 0) * font_height;
5513
5514   DrawTextF(xstart1, ystart, font_head, "Level");
5515   lines = DrawTextBufferS(xstart2, ystart, level.name, font_text,
5516                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5517                           TRUE, FALSE, FALSE);
5518   ystart += ystep_para + (lines > 0 ? lines - 1 : 0) * font_height;
5519
5520   select_y1 = SY + ystart;
5521   ystart += graphic_info[IMG_MENU_BUTTON_PREV_SCORE].height;
5522
5523   DrawTextF(xstart1, ystart, font_head, "Rank");
5524   DrawTextF(xstart2, ystart, font_text, pos_text);
5525   ystart += ystep_line;
5526
5527   DrawTextF(xstart1, ystart, font_head, "Player");
5528   DrawTextF(xstart2, ystart, font_text, entry->name);
5529   ystart += ystep_line;
5530
5531   if (level.use_step_counter)
5532   {
5533     DrawTextF(xstart1, ystart, font_head, "Steps");
5534     DrawTextF(xstart2, ystart, font_text, int2str(entry->time, 5));
5535     ystart += ystep_line;
5536   }
5537   else
5538   {
5539     DrawTextF(xstart1, ystart, font_head, "Time");
5540     DrawTextF(xstart2, ystart, font_text, getHallOfFameTimeText(entry_nr));
5541     ystart += ystep_line;
5542   }
5543
5544   if (!level.rate_time_over_score || entry->score > 0)
5545   {
5546     DrawTextF(xstart1, ystart, font_head, "Score");
5547     DrawTextF(xstart2, ystart, font_text, int2str(entry->score, 5));
5548     ystart += ystep_line;
5549   }
5550
5551   ystart += ystep_line;
5552
5553   play_x = SX + xstart2 + tape_date_width + font_width;
5554   play_y = SY + ystart + (font_height - play_height) / 2;
5555
5556   DrawTextF(xstart1, ystart, font_head, "Tape Date");
5557   DrawTextF(xstart2, ystart, font_text, tape_date);
5558   ystart += ystep_line;
5559
5560   DrawTextF(xstart1, ystart, font_head, "Platform");
5561   DrawTextF(xstart2, ystart, font_text, entry->platform);
5562   ystart += ystep_line;
5563
5564   DrawTextF(xstart1, ystart, font_head, "Version");
5565   DrawTextF(xstart2, ystart, font_text, entry->version);
5566   ystart += ystep_line;
5567
5568   DrawTextF(xstart1, ystart, font_head, "Country");
5569   lines = DrawTextBufferS(xstart2, ystart, entry->country_name, font_text,
5570                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5571                           TRUE, FALSE, FALSE);
5572   ystart += ystep_line;
5573
5574   select_y2 = SY + ystart;
5575
5576   DrawTextSCentered(ybottom, font_foot, "Press any key or button to go back");
5577
5578   AdjustScoreInfoButtons_SelectScore(select_x, select_y1, select_y2);
5579   AdjustScoreInfoButtons_PlayTape(play_x, play_y, play_visible);
5580 }
5581
5582 static void DrawScoreInfo(int entry_nr)
5583 {
5584   scores.last_entry_nr = entry_nr;
5585   score_info_tape_play = FALSE;
5586
5587   UnmapAllGadgets();
5588
5589   FreeScreenGadgets();
5590   CreateScreenGadgets();
5591
5592   FadeOut(REDRAW_FIELD);
5593
5594   // needed if different viewport properties defined after playing score tape
5595   ChangeViewportPropertiesIfNeeded();
5596
5597   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
5598   SetDrawDeactivationMask(REDRAW_NONE);
5599   SetDrawBackgroundMask(REDRAW_FIELD);
5600
5601   // needed if different background image defined after playing score tape
5602   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5603   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_SCOREINFO);
5604
5605   // special compatibility handling for "Snake Bite" graphics set
5606   if (strPrefix(leveldir_current->identifier, "snake_bite"))
5607     ClearRectangle(gfx.background_bitmap, gfx.real_sx, gfx.real_sy + 64,
5608                    gfx.full_sxsize, gfx.full_sysize - 64);
5609
5610   DrawScoreInfo_Content(entry_nr);
5611
5612   // map gadgets for score info screen
5613   MapScreenMenuGadgets(SCREEN_MASK_SCORES_INFO);
5614
5615   FadeIn(REDRAW_FIELD);
5616 }
5617
5618 static void HandleScoreInfo_SelectScore(int step, int direction)
5619 {
5620   int old_entry_nr = scores.last_entry_nr;
5621   int new_entry_nr = old_entry_nr + step * direction;
5622   int num_nodes = numTreeInfoInGroup(score_entry_current);
5623   int num_entries = num_nodes - 1;      // score nodes only, without back link
5624
5625   if (new_entry_nr < 0)
5626     new_entry_nr = 0;
5627   if (new_entry_nr > num_entries - 1)
5628     new_entry_nr = num_entries - 1;
5629
5630   if (new_entry_nr != old_entry_nr)
5631   {
5632     scores.last_entry_nr = new_entry_nr;
5633
5634     DrawScoreInfo_Content(new_entry_nr);
5635   }
5636 }
5637
5638 static void HandleScoreInfo_PlayTape(void)
5639 {
5640   if (!PlayScoreTape(scores.last_entry_nr))
5641   {
5642     DrawScoreInfo_Content(scores.last_entry_nr);
5643
5644     FadeIn(REDRAW_FIELD);
5645   }
5646 }
5647
5648 void HandleScoreInfo(int mx, int my, int dx, int dy, int button)
5649 {
5650   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
5651   boolean button_is_valid = (mx >= 0 && my >= 0);
5652   boolean button_screen_clicked = (button_action && button_is_valid);
5653
5654   if (server_scores.updated)
5655   {
5656     // reload scores, using updated server score cache file
5657     LoadLocalAndServerScore(scores.last_level_nr, FALSE);
5658
5659     server_scores.updated = FALSE;
5660
5661     DrawHallOfFame_setScoreEntries();
5662
5663     DrawScoreInfo_Content(scores.last_entry_nr);
5664   }
5665
5666   if (button_screen_clicked)
5667   {
5668     PlaySound(SND_MENU_ITEM_SELECTING);
5669
5670     SetGameStatus(GAME_MODE_SCORES);
5671
5672     DrawHallOfFame(scores.last_level_nr);
5673   }
5674   else if (dx)
5675   {
5676     HandleHallOfFame_SelectLevel(1, SIGN(dx) * (ABS(dx) > 1 ? 10 : 1));
5677   }
5678   else if (dy)
5679   {
5680     HandleScoreInfo_SelectScore(1, SIGN(dy) * (ABS(dy) > 1 ? 10 : 1));
5681   }
5682 }
5683
5684
5685 // ============================================================================
5686 // setup screen functions
5687 // ============================================================================
5688
5689 static struct TokenInfo *setup_info;
5690 static int num_setup_info;      // number of setup entries shown on screen
5691 static int max_setup_info;      // total number of setup entries in list
5692
5693 static char *window_size_text;
5694 static char *scaling_type_text;
5695 static char *rendering_mode_text;
5696 static char *vsync_mode_text;
5697 static char *scroll_delay_text;
5698 static char *snapshot_mode_text;
5699 static char *game_speed_text;
5700 static char *scores_type_text;
5701 static char *network_server_text;
5702 static char *graphics_set_name;
5703 static char *sounds_set_name;
5704 static char *music_set_name;
5705 static char *volume_simple_text;
5706 static char *volume_loops_text;
5707 static char *volume_music_text;
5708 static char *touch_controls_text;
5709 static char *move_distance_text;
5710 static char *drop_distance_text;
5711 static char *transparency_text;
5712 static char *grid_size_text[2][2];
5713
5714 static void execSetupMain(void)
5715 {
5716   setup_mode = SETUP_MODE_MAIN;
5717
5718   DrawSetupScreen();
5719 }
5720
5721 static void execSetupGame_setScoresType(void)
5722 {
5723   if (scores_types == NULL)
5724   {
5725     int i;
5726
5727     for (i = 0; scores_types_list[i].value != NULL; i++)
5728     {
5729       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5730       char identifier[32], name[32];
5731       char *value = scores_types_list[i].value;
5732       char *text = scores_types_list[i].text;
5733
5734       ti->node_top = &scores_types;
5735       ti->sort_priority = i;
5736
5737       sprintf(identifier, "%s", value);
5738       sprintf(name, "%s", text);
5739
5740       setString(&ti->identifier, identifier);
5741       setString(&ti->name, name);
5742       setString(&ti->name_sorting, name);
5743       setString(&ti->infotext, STR_SETUP_CHOOSE_SCORES_TYPE);
5744
5745       pushTreeInfo(&scores_types, ti);
5746     }
5747
5748     // sort scores type values to start with lowest scores type value
5749     sortTreeInfo(&scores_types);
5750
5751     // set current scores type value to configured scores type value
5752     scores_type_current =
5753       getTreeInfoFromIdentifier(scores_types, setup.scores_in_highscore_list);
5754
5755     // if that fails, set current scores type to reliable default value
5756     if (scores_type_current == NULL)
5757       scores_type_current =
5758         getTreeInfoFromIdentifier(scores_types, STR_SCORES_TYPE_DEFAULT);
5759
5760     // if that also fails, set current scores type to first available value
5761     if (scores_type_current == NULL)
5762       scores_type_current = scores_types;
5763   }
5764
5765   setup.scores_in_highscore_list = scores_type_current->identifier;
5766
5767   // needed for displaying scores type text instead of identifier
5768   scores_type_text = scores_type_current->name;
5769 }
5770
5771 static void execSetupGame_setGameSpeeds(boolean update_value)
5772 {
5773   if (setup.game_speed_extended)
5774   {
5775     game_speeds_list = game_speeds_list_extended;
5776     game_speeds      = game_speeds_extended;
5777   }
5778   else
5779   {
5780     game_speeds_list = game_speeds_list_normal;
5781     game_speeds      = game_speeds_normal;
5782   }
5783
5784   if (game_speeds == NULL)
5785   {
5786     int i;
5787
5788     for (i = 0; game_speeds_list[i].value != -1; i++)
5789     {
5790       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5791       char identifier[32], name[32];
5792       int value = game_speeds_list[i].value;
5793       char *text = game_speeds_list[i].text;
5794
5795       ti->node_top = &game_speeds;
5796       ti->sort_priority = 10000 - value;
5797
5798       sprintf(identifier, "%d", value);
5799       sprintf(name, "%s", text);
5800
5801       setString(&ti->identifier, identifier);
5802       setString(&ti->name, name);
5803       setString(&ti->name_sorting, name);
5804       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5805
5806       pushTreeInfo(&game_speeds, ti);
5807     }
5808
5809     // sort game speed values to start with slowest game speed
5810     sortTreeInfo(&game_speeds);
5811
5812     update_value = TRUE;
5813   }
5814
5815   if (update_value)
5816   {
5817     // set current game speed to configured game speed value
5818     game_speed_current =
5819       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5820
5821     // if that fails, set current game speed to reliable default value
5822     if (game_speed_current == NULL)
5823       game_speed_current =
5824         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5825
5826     // if that also fails, set current game speed to first available speed
5827     if (game_speed_current == NULL)
5828       game_speed_current = game_speeds;
5829
5830     if (setup.game_speed_extended)
5831       game_speeds_extended = game_speeds;
5832     else
5833       game_speeds_normal = game_speeds;
5834   }
5835
5836   setup.game_frame_delay = atoi(game_speed_current->identifier);
5837
5838   // needed for displaying game speed text instead of identifier
5839   game_speed_text = game_speed_current->name;
5840 }
5841
5842 static void execSetupGame_setScrollDelays(void)
5843 {
5844   if (scroll_delays == NULL)
5845   {
5846     int i;
5847
5848     for (i = 0; scroll_delays_list[i].value != -1; i++)
5849     {
5850       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5851       char identifier[32], name[32];
5852       int value = scroll_delays_list[i].value;
5853       char *text = scroll_delays_list[i].text;
5854
5855       ti->node_top = &scroll_delays;
5856       ti->sort_priority = value;
5857
5858       sprintf(identifier, "%d", value);
5859       sprintf(name, "%s", text);
5860
5861       setString(&ti->identifier, identifier);
5862       setString(&ti->name, name);
5863       setString(&ti->name_sorting, name);
5864       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5865
5866       pushTreeInfo(&scroll_delays, ti);
5867     }
5868
5869     // sort scroll delay values to start with lowest scroll delay value
5870     sortTreeInfo(&scroll_delays);
5871
5872     // set current scroll delay value to configured scroll delay value
5873     scroll_delay_current =
5874       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5875
5876     // if that fails, set current scroll delay to reliable default value
5877     if (scroll_delay_current == NULL)
5878       scroll_delay_current =
5879         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5880
5881     // if that also fails, set current scroll delay to first available value
5882     if (scroll_delay_current == NULL)
5883       scroll_delay_current = scroll_delays;
5884   }
5885
5886   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5887
5888   // needed for displaying scroll delay text instead of identifier
5889   scroll_delay_text = scroll_delay_current->name;
5890 }
5891
5892 static void execSetupGame_setSnapshotModes(void)
5893 {
5894   if (snapshot_modes == NULL)
5895   {
5896     int i;
5897
5898     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5899     {
5900       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5901       char identifier[32], name[32];
5902       char *value = snapshot_modes_list[i].value;
5903       char *text = snapshot_modes_list[i].text;
5904
5905       ti->node_top = &snapshot_modes;
5906       ti->sort_priority = i;
5907
5908       sprintf(identifier, "%s", value);
5909       sprintf(name, "%s", text);
5910
5911       setString(&ti->identifier, identifier);
5912       setString(&ti->name, name);
5913       setString(&ti->name_sorting, name);
5914       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5915
5916       pushTreeInfo(&snapshot_modes, ti);
5917     }
5918
5919     // sort snapshot mode values to start with lowest snapshot mode value
5920     sortTreeInfo(&snapshot_modes);
5921
5922     // set current snapshot mode value to configured snapshot mode value
5923     snapshot_mode_current =
5924       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5925
5926     // if that fails, set current snapshot mode to reliable default value
5927     if (snapshot_mode_current == NULL)
5928       snapshot_mode_current =
5929         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5930
5931     // if that also fails, set current snapshot mode to first available value
5932     if (snapshot_mode_current == NULL)
5933       snapshot_mode_current = snapshot_modes;
5934   }
5935
5936   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5937
5938   // needed for displaying snapshot mode text instead of identifier
5939   snapshot_mode_text = snapshot_mode_current->name;
5940 }
5941
5942 static void execSetupGame_setNetworkServerText(void)
5943 {
5944   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5945   {
5946     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5947   }
5948   else
5949   {
5950     strncpy(network_server_hostname, setup.network_server_hostname,
5951             MAX_SETUP_TEXT_INPUT_LEN);
5952     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5953   }
5954
5955   // needed for displaying network server text instead of identifier
5956   network_server_text = network_server_hostname;
5957 }
5958
5959 static void execSetupGame(void)
5960 {
5961   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5962
5963   execSetupGame_setGameSpeeds(FALSE);
5964   execSetupGame_setScoresType();
5965   execSetupGame_setScrollDelays();
5966   execSetupGame_setSnapshotModes();
5967
5968   execSetupGame_setNetworkServerText();
5969
5970   if (!setup.provide_uploading_tapes)
5971     setHideSetupEntry(execOfferUploadTapes);
5972
5973   setup_mode = SETUP_MODE_GAME;
5974
5975   DrawSetupScreen();
5976
5977   // check if vsync needs to be disabled for this game speed to work
5978   if (check_vsync_mode)
5979     DisableVsyncIfNeeded();
5980 }
5981
5982 static void execSetupChooseScoresType(void)
5983 {
5984   setup_mode = SETUP_MODE_CHOOSE_SCORES_TYPE;
5985
5986   DrawSetupScreen();
5987 }
5988
5989 static void execSetupChooseGameSpeed(void)
5990 {
5991   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5992
5993   DrawSetupScreen();
5994 }
5995
5996 static void execSetupChooseScrollDelay(void)
5997 {
5998   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5999
6000   DrawSetupScreen();
6001 }
6002
6003 static void execSetupChooseSnapshotMode(void)
6004 {
6005   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
6006
6007   DrawSetupScreen();
6008 }
6009
6010 static void execSetupEngines(void)
6011 {
6012   setup_mode = SETUP_MODE_ENGINES;
6013
6014   DrawSetupScreen();
6015 }
6016
6017 static void execSetupEditor(void)
6018 {
6019   setup_mode = SETUP_MODE_EDITOR;
6020
6021   DrawSetupScreen();
6022 }
6023
6024 static void execSetupGraphics_setWindowSizes(boolean update_list)
6025 {
6026   if (window_sizes != NULL && update_list)
6027   {
6028     freeTreeInfo(window_sizes);
6029
6030     window_sizes = NULL;
6031   }
6032
6033   if (window_sizes == NULL)
6034   {
6035     boolean current_window_size_found = FALSE;
6036     int i;
6037
6038     for (i = 0; window_sizes_list[i].value != -1; i++)
6039     {
6040       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6041       char identifier[32], name[32];
6042       int value = window_sizes_list[i].value;
6043       char *text = window_sizes_list[i].text;
6044
6045       ti->node_top = &window_sizes;
6046       ti->sort_priority = value;
6047
6048       sprintf(identifier, "%d", value);
6049       sprintf(name, "%s", text);
6050
6051       setString(&ti->identifier, identifier);
6052       setString(&ti->name, name);
6053       setString(&ti->name_sorting, name);
6054       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6055
6056       pushTreeInfo(&window_sizes, ti);
6057
6058       if (value == setup.window_scaling_percent)
6059         current_window_size_found = TRUE;
6060     }
6061
6062     if (!current_window_size_found)
6063     {
6064       // add entry for non-preset window scaling value
6065
6066       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6067       char identifier[32], name[32];
6068       int value = setup.window_scaling_percent;
6069
6070       ti->node_top = &window_sizes;
6071       ti->sort_priority = value;
6072
6073       sprintf(identifier, "%d", value);
6074       sprintf(name, "%d %% (Current)", value);
6075
6076       setString(&ti->identifier, identifier);
6077       setString(&ti->name, name);
6078       setString(&ti->name_sorting, name);
6079       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6080
6081       pushTreeInfo(&window_sizes, ti);
6082     }
6083
6084     // sort window size values to start with lowest window size value
6085     sortTreeInfo(&window_sizes);
6086
6087     // set current window size value to configured window size value
6088     window_size_current =
6089       getTreeInfoFromIdentifier(window_sizes,
6090                                 i_to_a(setup.window_scaling_percent));
6091
6092     // if that fails, set current window size to reliable default value
6093     if (window_size_current == NULL)
6094       window_size_current =
6095         getTreeInfoFromIdentifier(window_sizes,
6096                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
6097
6098     // if that also fails, set current window size to first available value
6099     if (window_size_current == NULL)
6100       window_size_current = window_sizes;
6101   }
6102
6103   setup.window_scaling_percent = atoi(window_size_current->identifier);
6104
6105   // needed for displaying window size text instead of identifier
6106   window_size_text = window_size_current->name;
6107 }
6108
6109 static void execSetupGraphics_setScalingTypes(void)
6110 {
6111   if (scaling_types == NULL)
6112   {
6113     int i;
6114
6115     for (i = 0; scaling_types_list[i].value != NULL; i++)
6116     {
6117       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6118       char identifier[32], name[32];
6119       char *value = scaling_types_list[i].value;
6120       char *text = scaling_types_list[i].text;
6121
6122       ti->node_top = &scaling_types;
6123       ti->sort_priority = i;
6124
6125       sprintf(identifier, "%s", value);
6126       sprintf(name, "%s", text);
6127
6128       setString(&ti->identifier, identifier);
6129       setString(&ti->name, name);
6130       setString(&ti->name_sorting, name);
6131       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
6132
6133       pushTreeInfo(&scaling_types, ti);
6134     }
6135
6136     // sort scaling type values to start with lowest scaling type value
6137     sortTreeInfo(&scaling_types);
6138
6139     // set current scaling type value to configured scaling type value
6140     scaling_type_current =
6141       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
6142
6143     // if that fails, set current scaling type to reliable default value
6144     if (scaling_type_current == NULL)
6145       scaling_type_current =
6146         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
6147
6148     // if that also fails, set current scaling type to first available value
6149     if (scaling_type_current == NULL)
6150       scaling_type_current = scaling_types;
6151   }
6152
6153   setup.window_scaling_quality = scaling_type_current->identifier;
6154
6155   // needed for displaying scaling type text instead of identifier
6156   scaling_type_text = scaling_type_current->name;
6157 }
6158
6159 static void execSetupGraphics_setRenderingModes(void)
6160 {
6161   if (rendering_modes == NULL)
6162   {
6163     int i;
6164
6165     for (i = 0; rendering_modes_list[i].value != NULL; i++)
6166     {
6167       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6168       char identifier[32], name[32];
6169       char *value = rendering_modes_list[i].value;
6170       char *text = rendering_modes_list[i].text;
6171
6172       ti->node_top = &rendering_modes;
6173       ti->sort_priority = i;
6174
6175       sprintf(identifier, "%s", value);
6176       sprintf(name, "%s", text);
6177
6178       setString(&ti->identifier, identifier);
6179       setString(&ti->name, name);
6180       setString(&ti->name_sorting, name);
6181       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
6182
6183       pushTreeInfo(&rendering_modes, ti);
6184     }
6185
6186     // sort rendering mode values to start with lowest rendering mode value
6187     sortTreeInfo(&rendering_modes);
6188
6189     // set current rendering mode value to configured rendering mode value
6190     rendering_mode_current =
6191       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
6192
6193     // if that fails, set current rendering mode to reliable default value
6194     if (rendering_mode_current == NULL)
6195       rendering_mode_current =
6196         getTreeInfoFromIdentifier(rendering_modes,
6197                                   STR_SPECIAL_RENDERING_DEFAULT);
6198
6199     // if that also fails, set current rendering mode to first available one
6200     if (rendering_mode_current == NULL)
6201       rendering_mode_current = rendering_modes;
6202   }
6203
6204   setup.screen_rendering_mode = rendering_mode_current->identifier;
6205
6206   // needed for displaying rendering mode text instead of identifier
6207   rendering_mode_text = rendering_mode_current->name;
6208 }
6209
6210 static void execSetupGraphics_setVsyncModes(boolean update_value)
6211 {
6212   if (vsync_modes == NULL)
6213   {
6214     int i;
6215
6216     for (i = 0; vsync_modes_list[i].value != NULL; i++)
6217     {
6218       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6219       char identifier[32], name[32];
6220       char *value = vsync_modes_list[i].value;
6221       char *text = vsync_modes_list[i].text;
6222
6223       ti->node_top = &vsync_modes;
6224       ti->sort_priority = i;
6225
6226       sprintf(identifier, "%s", value);
6227       sprintf(name, "%s", text);
6228
6229       setString(&ti->identifier, identifier);
6230       setString(&ti->name, name);
6231       setString(&ti->name_sorting, name);
6232       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
6233
6234       pushTreeInfo(&vsync_modes, ti);
6235     }
6236
6237     // sort vsync mode values to start with lowest vsync mode value
6238     sortTreeInfo(&vsync_modes);
6239
6240     update_value = TRUE;
6241   }
6242
6243   if (update_value)
6244   {
6245     // set current vsync mode value to configured vsync mode value
6246     vsync_mode_current =
6247       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
6248
6249     // if that fails, set current vsync mode to reliable default value
6250     if (vsync_mode_current == NULL)
6251       vsync_mode_current =
6252         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
6253
6254     // if that also fails, set current vsync mode to first available one
6255     if (vsync_mode_current == NULL)
6256       vsync_mode_current = vsync_modes;
6257   }
6258
6259   setup.vsync_mode = vsync_mode_current->identifier;
6260
6261   // needed for displaying vsync mode text instead of identifier
6262   vsync_mode_text = vsync_mode_current->name;
6263 }
6264
6265 static void execSetupGraphics(void)
6266 {
6267   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
6268
6269   // update "setup.window_scaling_percent" from list selection
6270   // (in this case, window scaling was changed on setup screen)
6271   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6272     execSetupGraphics_setWindowSizes(FALSE);
6273
6274   // update "setup.vsync_mode" from list selection
6275   // (in this case, vsync mode was changed on setup screen)
6276   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
6277     execSetupGraphics_setVsyncModes(FALSE);
6278
6279   // update list selection from "setup.window_scaling_percent"
6280   // (window scaling may have changed by resizing the window)
6281   execSetupGraphics_setWindowSizes(TRUE);
6282
6283   // update list selection from "setup.vsync_mode"
6284   // (vsync_mode may have changed by re-creating the renderer)
6285   execSetupGraphics_setVsyncModes(TRUE);
6286
6287   execSetupGraphics_setScalingTypes();
6288   execSetupGraphics_setRenderingModes();
6289
6290   setup_mode = SETUP_MODE_GRAPHICS;
6291
6292   DrawSetupScreen();
6293
6294   // check if game speed is high enough for 60 Hz vsync to work
6295   if (check_game_speed)
6296     ModifyGameSpeedIfNeeded();
6297
6298   // window scaling may have changed at this point
6299   ChangeWindowScalingIfNeeded();
6300
6301   // window scaling quality may have changed at this point
6302   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
6303     SDLSetWindowScalingQuality(setup.window_scaling_quality);
6304
6305   // screen rendering mode may have changed at this point
6306   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
6307
6308   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6309   int video_vsync_mode = video.vsync_mode;
6310
6311   // screen vsync mode may have changed at this point
6312   ChangeVsyncModeIfNeeded();
6313
6314   // check if setting vsync mode to selected value failed
6315   if (setup_vsync_mode != video_vsync_mode &&
6316       setup_vsync_mode != video.vsync_mode)
6317   {
6318     // changing vsync mode to selected value failed -- reset displayed value
6319     execSetupGraphics_setVsyncModes(TRUE);
6320
6321     Request("Setting VSync failed!", REQ_CONFIRM);
6322
6323     DrawSetupScreen();
6324   }
6325 }
6326
6327 static void execSetupChooseWindowSize(void)
6328 {
6329   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6330
6331   DrawSetupScreen();
6332 }
6333
6334 static void execSetupChooseScalingType(void)
6335 {
6336   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6337
6338   DrawSetupScreen();
6339 }
6340
6341 static void execSetupChooseRenderingMode(void)
6342 {
6343   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6344
6345   DrawSetupScreen();
6346 }
6347
6348 static void execSetupChooseVsyncMode(void)
6349 {
6350   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6351
6352   DrawSetupScreen();
6353 }
6354
6355 static void execSetupChooseVolumeSimple(void)
6356 {
6357   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6358
6359   DrawSetupScreen();
6360 }
6361
6362 static void execSetupChooseVolumeLoops(void)
6363 {
6364   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6365
6366   DrawSetupScreen();
6367 }
6368
6369 static void execSetupChooseVolumeMusic(void)
6370 {
6371   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6372
6373   DrawSetupScreen();
6374 }
6375
6376 static void execSetupSound(void)
6377 {
6378   if (volumes_simple == NULL)
6379   {
6380     boolean current_volume_simple_found = FALSE;
6381     int i;
6382
6383     for (i = 0; volumes_list[i].value != -1; i++)
6384     {
6385       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6386       char identifier[32], name[32];
6387       int value = volumes_list[i].value;
6388       char *text = volumes_list[i].text;
6389
6390       ti->node_top = &volumes_simple;
6391       ti->sort_priority = value;
6392
6393       sprintf(identifier, "%d", value);
6394       sprintf(name, "%s", text);
6395
6396       setString(&ti->identifier, identifier);
6397       setString(&ti->name, name);
6398       setString(&ti->name_sorting, name);
6399       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6400
6401       pushTreeInfo(&volumes_simple, ti);
6402
6403       if (value == setup.volume_simple)
6404         current_volume_simple_found = TRUE;
6405     }
6406
6407     if (!current_volume_simple_found)
6408     {
6409       // add entry for non-preset volume value
6410
6411       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6412       char identifier[32], name[32];
6413       int value = setup.volume_simple;
6414
6415       ti->node_top = &volumes_simple;
6416       ti->sort_priority = value;
6417
6418       sprintf(identifier, "%d", value);
6419       sprintf(name, "%d %% (Current)", value);
6420
6421       setString(&ti->identifier, identifier);
6422       setString(&ti->name, name);
6423       setString(&ti->name_sorting, name);
6424       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6425
6426       pushTreeInfo(&volumes_simple, ti);
6427     }
6428
6429     // sort volume values to start with lowest volume value
6430     sortTreeInfo(&volumes_simple);
6431
6432     // set current volume value to configured volume value
6433     volume_simple_current =
6434       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6435
6436     // if that fails, set current volume to reliable default value
6437     if (volume_simple_current == NULL)
6438       volume_simple_current =
6439         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6440
6441     // if that also fails, set current volume to first available value
6442     if (volume_simple_current == NULL)
6443       volume_simple_current = volumes_simple;
6444   }
6445
6446   if (volumes_loops == NULL)
6447   {
6448     boolean current_volume_loops_found = FALSE;
6449     int i;
6450
6451     for (i = 0; volumes_list[i].value != -1; i++)
6452     {
6453       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6454       char identifier[32], name[32];
6455       int value = volumes_list[i].value;
6456       char *text = volumes_list[i].text;
6457
6458       ti->node_top = &volumes_loops;
6459       ti->sort_priority = value;
6460
6461       sprintf(identifier, "%d", value);
6462       sprintf(name, "%s", text);
6463
6464       setString(&ti->identifier, identifier);
6465       setString(&ti->name, name);
6466       setString(&ti->name_sorting, name);
6467       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6468
6469       pushTreeInfo(&volumes_loops, ti);
6470
6471       if (value == setup.volume_loops)
6472         current_volume_loops_found = TRUE;
6473     }
6474
6475     if (!current_volume_loops_found)
6476     {
6477       // add entry for non-preset volume value
6478
6479       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6480       char identifier[32], name[32];
6481       int value = setup.volume_loops;
6482
6483       ti->node_top = &volumes_loops;
6484       ti->sort_priority = value;
6485
6486       sprintf(identifier, "%d", value);
6487       sprintf(name, "%d %% (Current)", value);
6488
6489       setString(&ti->identifier, identifier);
6490       setString(&ti->name, name);
6491       setString(&ti->name_sorting, name);
6492       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6493
6494       pushTreeInfo(&volumes_loops, ti);
6495     }
6496
6497     // sort volume values to start with lowest volume value
6498     sortTreeInfo(&volumes_loops);
6499
6500     // set current volume value to configured volume value
6501     volume_loops_current =
6502       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6503
6504     // if that fails, set current volume to reliable default value
6505     if (volume_loops_current == NULL)
6506       volume_loops_current =
6507         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6508
6509     // if that also fails, set current volume to first available value
6510     if (volume_loops_current == NULL)
6511       volume_loops_current = volumes_loops;
6512   }
6513
6514   if (volumes_music == NULL)
6515   {
6516     boolean current_volume_music_found = FALSE;
6517     int i;
6518
6519     for (i = 0; volumes_list[i].value != -1; i++)
6520     {
6521       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6522       char identifier[32], name[32];
6523       int value = volumes_list[i].value;
6524       char *text = volumes_list[i].text;
6525
6526       ti->node_top = &volumes_music;
6527       ti->sort_priority = value;
6528
6529       sprintf(identifier, "%d", value);
6530       sprintf(name, "%s", text);
6531
6532       setString(&ti->identifier, identifier);
6533       setString(&ti->name, name);
6534       setString(&ti->name_sorting, name);
6535       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6536
6537       pushTreeInfo(&volumes_music, ti);
6538
6539       if (value == setup.volume_music)
6540         current_volume_music_found = TRUE;
6541     }
6542
6543     if (!current_volume_music_found)
6544     {
6545       // add entry for non-preset volume value
6546
6547       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6548       char identifier[32], name[32];
6549       int value = setup.volume_music;
6550
6551       ti->node_top = &volumes_music;
6552       ti->sort_priority = value;
6553
6554       sprintf(identifier, "%d", value);
6555       sprintf(name, "%d %% (Current)", value);
6556
6557       setString(&ti->identifier, identifier);
6558       setString(&ti->name, name);
6559       setString(&ti->name_sorting, name);
6560       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6561
6562       pushTreeInfo(&volumes_music, ti);
6563     }
6564
6565     // sort volume values to start with lowest volume value
6566     sortTreeInfo(&volumes_music);
6567
6568     // set current volume value to configured volume value
6569     volume_music_current =
6570       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6571
6572     // if that fails, set current volume to reliable default value
6573     if (volume_music_current == NULL)
6574       volume_music_current =
6575         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6576
6577     // if that also fails, set current volume to first available value
6578     if (volume_music_current == NULL)
6579       volume_music_current = volumes_music;
6580   }
6581
6582   setup.volume_simple = atoi(volume_simple_current->identifier);
6583   setup.volume_loops  = atoi(volume_loops_current->identifier);
6584   setup.volume_music  = atoi(volume_music_current->identifier);
6585
6586   // needed for displaying volume text instead of identifier
6587   volume_simple_text = volume_simple_current->name;
6588   volume_loops_text = volume_loops_current->name;
6589   volume_music_text = volume_music_current->name;
6590
6591   setup_mode = SETUP_MODE_SOUND;
6592
6593   DrawSetupScreen();
6594 }
6595
6596 static void execSetupChooseTouchControls(void)
6597 {
6598   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6599
6600   DrawSetupScreen();
6601 }
6602
6603 static void execSetupChooseMoveDistance(void)
6604 {
6605   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6606
6607   DrawSetupScreen();
6608 }
6609
6610 static void execSetupChooseDropDistance(void)
6611 {
6612   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6613
6614   DrawSetupScreen();
6615 }
6616
6617 static void execSetupChooseTransparency(void)
6618 {
6619   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6620
6621   DrawSetupScreen();
6622 }
6623
6624 static void execSetupChooseGridXSize_0(void)
6625 {
6626   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6627
6628   DrawSetupScreen();
6629 }
6630
6631 static void execSetupChooseGridYSize_0(void)
6632 {
6633   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6634
6635   DrawSetupScreen();
6636 }
6637
6638 static void execSetupChooseGridXSize_1(void)
6639 {
6640   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6641
6642   DrawSetupScreen();
6643 }
6644
6645 static void execSetupChooseGridYSize_1(void)
6646 {
6647   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6648
6649   DrawSetupScreen();
6650 }
6651
6652 static void execSetupConfigureVirtualButtons(void)
6653 {
6654   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6655
6656   ConfigureVirtualButtons();
6657
6658   setup_mode = SETUP_MODE_TOUCH;
6659
6660   DrawSetupScreen();
6661 }
6662
6663 static void execSetupTouch(void)
6664 {
6665   int i, j, k;
6666
6667   if (touch_controls == NULL)
6668   {
6669     for (i = 0; touch_controls_list[i].value != NULL; i++)
6670     {
6671       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6672       char identifier[32], name[32];
6673       char *value = touch_controls_list[i].value;
6674       char *text = touch_controls_list[i].text;
6675
6676       ti->node_top = &touch_controls;
6677       ti->sort_priority = i;
6678
6679       sprintf(identifier, "%s", value);
6680       sprintf(name, "%s", text);
6681
6682       setString(&ti->identifier, identifier);
6683       setString(&ti->name, name);
6684       setString(&ti->name_sorting, name);
6685       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6686
6687       pushTreeInfo(&touch_controls, ti);
6688     }
6689
6690     // sort touch control values to start with lowest touch control value
6691     sortTreeInfo(&touch_controls);
6692
6693     // set current touch control value to configured touch control value
6694     touch_control_current =
6695       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6696
6697     // if that fails, set current touch control to reliable default value
6698     if (touch_control_current == NULL)
6699       touch_control_current =
6700         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6701
6702     // if that also fails, set current touch control to first available value
6703     if (touch_control_current == NULL)
6704       touch_control_current = touch_controls;
6705   }
6706
6707   if (move_distances == NULL)
6708   {
6709     for (i = 0; distances_list[i].value != -1; i++)
6710     {
6711       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6712       char identifier[32], name[32];
6713       int value = distances_list[i].value;
6714       char *text = distances_list[i].text;
6715
6716       ti->node_top = &move_distances;
6717       ti->sort_priority = value;
6718
6719       sprintf(identifier, "%d", value);
6720       sprintf(name, "%s", text);
6721
6722       setString(&ti->identifier, identifier);
6723       setString(&ti->name, name);
6724       setString(&ti->name_sorting, name);
6725       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6726
6727       pushTreeInfo(&move_distances, ti);
6728     }
6729
6730     // sort distance values to start with lowest distance value
6731     sortTreeInfo(&move_distances);
6732
6733     // set current distance value to configured distance value
6734     move_distance_current =
6735       getTreeInfoFromIdentifier(move_distances,
6736                                 i_to_a(setup.touch.move_distance));
6737
6738     // if that fails, set current distance to reliable default value
6739     if (move_distance_current == NULL)
6740       move_distance_current =
6741         getTreeInfoFromIdentifier(move_distances,
6742                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6743
6744     // if that also fails, set current distance to first available value
6745     if (move_distance_current == NULL)
6746       move_distance_current = move_distances;
6747   }
6748
6749   if (drop_distances == NULL)
6750   {
6751     for (i = 0; distances_list[i].value != -1; i++)
6752     {
6753       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6754       char identifier[32], name[32];
6755       int value = distances_list[i].value;
6756       char *text = distances_list[i].text;
6757
6758       ti->node_top = &drop_distances;
6759       ti->sort_priority = value;
6760
6761       sprintf(identifier, "%d", value);
6762       sprintf(name, "%s", text);
6763
6764       setString(&ti->identifier, identifier);
6765       setString(&ti->name, name);
6766       setString(&ti->name_sorting, name);
6767       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6768
6769       pushTreeInfo(&drop_distances, ti);
6770     }
6771
6772     // sort distance values to start with lowest distance value
6773     sortTreeInfo(&drop_distances);
6774
6775     // set current distance value to configured distance value
6776     drop_distance_current =
6777       getTreeInfoFromIdentifier(drop_distances,
6778                                 i_to_a(setup.touch.drop_distance));
6779
6780     // if that fails, set current distance to reliable default value
6781     if (drop_distance_current == NULL)
6782       drop_distance_current =
6783         getTreeInfoFromIdentifier(drop_distances,
6784                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6785
6786     // if that also fails, set current distance to first available value
6787     if (drop_distance_current == NULL)
6788       drop_distance_current = drop_distances;
6789   }
6790
6791   if (transparencies == NULL)
6792   {
6793     for (i = 0; transparencies_list[i].value != -1; i++)
6794     {
6795       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6796       char identifier[32], name[32];
6797       int value = transparencies_list[i].value;
6798       char *text = transparencies_list[i].text;
6799
6800       ti->node_top = &transparencies;
6801       ti->sort_priority = value;
6802
6803       sprintf(identifier, "%d", value);
6804       sprintf(name, "%s", text);
6805
6806       setString(&ti->identifier, identifier);
6807       setString(&ti->name, name);
6808       setString(&ti->name_sorting, name);
6809       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6810
6811       pushTreeInfo(&transparencies, ti);
6812     }
6813
6814     // sort transparency values to start with lowest transparency value
6815     sortTreeInfo(&transparencies);
6816
6817     // set current transparency value to configured transparency value
6818     transparency_current =
6819       getTreeInfoFromIdentifier(transparencies,
6820                                 i_to_a(setup.touch.transparency));
6821
6822     // if that fails, set current transparency to reliable default value
6823     if (transparency_current == NULL)
6824       transparency_current =
6825         getTreeInfoFromIdentifier(transparencies,
6826                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6827
6828     // if that also fails, set current transparency to first available value
6829     if (transparency_current == NULL)
6830       transparency_current = transparencies;
6831   }
6832
6833   for (i = 0; i < 2; i++)
6834   {
6835     for (j = 0; j < 2; j++)
6836     {
6837       if (grid_sizes[i][j] == NULL)
6838       {
6839         for (k = 0; grid_sizes_list[k].value != -1; k++)
6840         {
6841           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6842           char identifier[32], name[32];
6843           int value = grid_sizes_list[k].value;
6844           char *text = grid_sizes_list[k].text;
6845
6846           ti->node_top = &grid_sizes[i][j];
6847           ti->sort_priority = value;
6848
6849           sprintf(identifier, "%d", value);
6850           sprintf(name, "%s", text);
6851
6852           setString(&ti->identifier, identifier);
6853           setString(&ti->name, name);
6854           setString(&ti->name_sorting, name);
6855           setString(&ti->infotext,
6856                     (i == 0 ?
6857                      (j == 0 ?
6858                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6859                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6860                      (j == 0 ?
6861                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6862                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6863
6864           pushTreeInfo(&grid_sizes[i][j], ti);
6865         }
6866
6867         // sort grid size values to start with lowest grid size value
6868         sortTreeInfo(&grid_sizes[i][j]);
6869
6870         // set current grid size value to configured grid size value
6871         grid_size_current[i][j] =
6872           getTreeInfoFromIdentifier(grid_sizes[i][j],
6873                                     i_to_a(j == 0 ?
6874                                            setup.touch.grid_xsize[i] :
6875                                            setup.touch.grid_ysize[i]));
6876
6877         // if that fails, set current grid size to reliable default value
6878         if (grid_size_current[i][j] == NULL)
6879           grid_size_current[i][j] =
6880             getTreeInfoFromIdentifier(grid_sizes[i][j],
6881                                       i_to_a(j == 0 ?
6882                                              DEFAULT_GRID_XSIZE(i) :
6883                                              DEFAULT_GRID_YSIZE(i)));
6884
6885         // if that also fails, set current grid size to first available value
6886         if (grid_size_current[i][j] == NULL)
6887           grid_size_current[i][j] = grid_sizes[i][j];
6888       }
6889     }
6890   }
6891
6892   setup.touch.control_type = touch_control_current->identifier;
6893   setup.touch.move_distance = atoi(move_distance_current->identifier);
6894   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6895   setup.touch.transparency = atoi(transparency_current->identifier);
6896
6897   for (i = 0; i < 2; i++)
6898   {
6899     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6900     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6901
6902     if (i == GRID_ACTIVE_NR())
6903     {
6904       overlay.grid_xsize = setup.touch.grid_xsize[i];
6905       overlay.grid_ysize = setup.touch.grid_ysize[i];
6906     }
6907   }
6908
6909   // needed for displaying value text instead of identifier
6910   touch_controls_text = touch_control_current->name;
6911   move_distance_text = move_distance_current->name;
6912   drop_distance_text = drop_distance_current->name;
6913   transparency_text = transparency_current->name;
6914
6915   for (i = 0; i < 2; i++)
6916     for (j = 0; j < 2; j++)
6917       grid_size_text[i][j] = grid_size_current[i][j]->name;
6918
6919   setup_mode = SETUP_MODE_TOUCH;
6920
6921   DrawSetupScreen();
6922 }
6923
6924 static void execSetupArtwork(void)
6925 {
6926   static ArtworkDirTree *gfx_last_valid = NULL;
6927   static ArtworkDirTree *snd_last_valid = NULL;
6928   static ArtworkDirTree *mus_last_valid = NULL;
6929
6930   // current artwork directory may be invalid (level group, parent link)
6931   if (!validLevelSeries(artwork.gfx_current))
6932     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6933   if (!validLevelSeries(artwork.snd_current))
6934     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6935   if (!validLevelSeries(artwork.mus_current))
6936     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6937
6938   // store valid artwork directory information
6939   gfx_last_valid = artwork.gfx_current;
6940   snd_last_valid = artwork.snd_current;
6941   mus_last_valid = artwork.mus_current;
6942
6943 #if 0
6944   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6945         artwork.gfx_current->subdir,
6946         artwork.gfx_current->fullpath,
6947         artwork.gfx_current->basepath);
6948 #endif
6949
6950   setup.graphics_set = artwork.gfx_current->identifier;
6951   setup.sounds_set = artwork.snd_current->identifier;
6952   setup.music_set = artwork.mus_current->identifier;
6953
6954   // needed if last screen (setup choice) changed graphics, sounds or music
6955   ReloadCustomArtwork(0);
6956
6957   // needed for displaying artwork name instead of artwork identifier
6958   graphics_set_name = artwork.gfx_current->name;
6959   sounds_set_name = artwork.snd_current->name;
6960   music_set_name = artwork.mus_current->name;
6961
6962   setup_mode = SETUP_MODE_ARTWORK;
6963
6964   DrawSetupScreen();
6965 }
6966
6967 static void execSetupChooseGraphics(void)
6968 {
6969   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6970
6971   DrawSetupScreen();
6972 }
6973
6974 static void execSetupChooseSounds(void)
6975 {
6976   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6977
6978   DrawSetupScreen();
6979 }
6980
6981 static void execSetupChooseMusic(void)
6982 {
6983   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6984
6985   DrawSetupScreen();
6986 }
6987
6988 static void execSetupInput(void)
6989 {
6990   setup_mode = SETUP_MODE_INPUT;
6991
6992   DrawSetupScreen();
6993 }
6994
6995 static void execSetupShortcuts(void)
6996 {
6997   setup_mode = SETUP_MODE_SHORTCUTS;
6998
6999   DrawSetupScreen();
7000 }
7001
7002 static void execSetupShortcuts1(void)
7003 {
7004   setup_mode = SETUP_MODE_SHORTCUTS_1;
7005
7006   DrawSetupScreen();
7007 }
7008
7009 static void execSetupShortcuts2(void)
7010 {
7011   setup_mode = SETUP_MODE_SHORTCUTS_2;
7012
7013   DrawSetupScreen();
7014 }
7015
7016 static void execSetupShortcuts3(void)
7017 {
7018   setup_mode = SETUP_MODE_SHORTCUTS_3;
7019
7020   DrawSetupScreen();
7021 }
7022
7023 static void execSetupShortcuts4(void)
7024 {
7025   setup_mode = SETUP_MODE_SHORTCUTS_4;
7026
7027   DrawSetupScreen();
7028 }
7029
7030 static void execSetupShortcuts5(void)
7031 {
7032   setup_mode = SETUP_MODE_SHORTCUTS_5;
7033
7034   DrawSetupScreen();
7035 }
7036
7037 static void execExitSetup(void)
7038 {
7039   SetGameStatus(GAME_MODE_MAIN);
7040
7041   DrawMainMenu();
7042 }
7043
7044 static void execSaveAndExitSetup(void)
7045 {
7046   SaveSetup();
7047   execExitSetup();
7048 }
7049
7050 static void execGadgetNetworkServer(void)
7051 {
7052   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
7053   struct GadgetInfo *gi = screen_gadget[gadget_id];
7054
7055   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
7056     network_server_hostname[0] = '\0';
7057
7058   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
7059
7060   MapGadget(gi);
7061
7062   ClickOnGadget(gi, MB_LEFTBUTTON);
7063 }
7064
7065 static void execOfferUploadTapes(void)
7066 {
7067   OfferUploadTapes();
7068 }
7069
7070 static void ToggleNetworkModeIfNeeded(void)
7071 {
7072   int font_title = FONT_TITLE_1;
7073   int font_foot = FC_BLUE;
7074   int ystart  = mSY - SY + 16;
7075   int ybottom = mSY - SY + SYSIZE - 20;
7076   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
7077
7078   if (setup.network_mode == network.enabled)
7079     return;
7080
7081   network.enabled = setup.network_mode;
7082
7083   FadeOut(REDRAW_ALL);
7084
7085   ClearField();
7086
7087   DrawTextSCentered(ystart, font_title, text);
7088
7089   FadeIn(REDRAW_ALL);
7090
7091   if (network.enabled)
7092     InitNetworkServer();
7093   else
7094     DisconnectFromNetworkServer();
7095
7096   DrawTextSCentered(ybottom, font_foot,
7097                     "Press any key or button for setup menu");
7098
7099   WaitForEventToContinue();
7100
7101   DrawSetupScreen();
7102 }
7103
7104 static void ToggleGameSpeedsListIfNeeded(void)
7105 {
7106   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
7107
7108   if (setup.game_speed_extended == using_game_speeds_extended)
7109     return;
7110
7111   // try to match similar values when changing game speeds list
7112   if (setup.game_speed_extended)
7113     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
7114                               setup.game_frame_delay == 30 ? 29 :
7115                               setup.game_frame_delay);
7116   else
7117     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
7118                               setup.game_frame_delay == 16 ? 15 :
7119                               setup.game_frame_delay >= 29 ? 30 :
7120                               setup.game_frame_delay <= 10 ? 10 :
7121                               setup.game_frame_delay);
7122
7123   execSetupGame_setGameSpeeds(TRUE);
7124
7125   DrawSetupScreen();
7126 }
7127
7128 static void ToggleUseApiServerIfNeeded(void)
7129 {
7130   if (runtime.use_api_server == setup.use_api_server)
7131     return;
7132
7133   runtime.use_api_server = setup.use_api_server;
7134
7135   if (runtime.use_api_server)
7136     CheckApiServerTasks();
7137 }
7138
7139 static void ModifyGameSpeedIfNeeded(void)
7140 {
7141   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7142       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
7143     return;
7144
7145   char message[100];
7146   char *game_speed_text = "Fast";
7147   int game_speed_value = 15;
7148
7149   if (setup.game_speed_extended)
7150   {
7151     game_speed_text = "60 fps";
7152     game_speed_value = 16;
7153   }
7154
7155   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
7156
7157   // set game speed to existing list value that is fast enough for vsync
7158   setup.game_frame_delay = game_speed_value;
7159
7160   execSetupGame_setGameSpeeds(TRUE);
7161
7162   Request(message, REQ_CONFIRM);
7163 }
7164
7165 static void DisableVsyncIfNeeded(void)
7166 {
7167   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7168       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
7169        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
7170     return;
7171
7172   // disable vsync for the selected game speed to work
7173   setup.vsync_mode = STR_VSYNC_MODE_OFF;
7174
7175   execSetupGraphics_setVsyncModes(TRUE);
7176
7177   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
7178 }
7179
7180 static struct
7181 {
7182   void *value;
7183   void *related_value;
7184 } hide_related_entry_list[] =
7185 {
7186   { &setup.scores_in_highscore_list,    execSetupChooseScoresType       },
7187   { &setup.scores_in_highscore_list,    &scores_type_text               },
7188
7189   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
7190   { &setup.game_frame_delay,            &game_speed_text                },
7191
7192   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
7193   { &setup.scroll_delay_value,          &scroll_delay_text              },
7194
7195   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
7196   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
7197
7198   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
7199   { &setup.window_scaling_percent,      &window_size_text               },
7200
7201   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
7202   { &setup.window_scaling_quality,      &scaling_type_text              },
7203
7204   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
7205   { &setup.screen_rendering_mode,       &rendering_mode_text            },
7206
7207   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
7208   { &setup.vsync_mode,                  &vsync_mode_text                },
7209
7210   { &setup.graphics_set,                execSetupChooseGraphics         },
7211   { &setup.graphics_set,                &graphics_set_name              },
7212
7213   { &setup.sounds_set,                  execSetupChooseSounds           },
7214   { &setup.sounds_set,                  &sounds_set_name                },
7215
7216   { &setup.music_set,                   execSetupChooseMusic            },
7217   { &setup.music_set,                   &music_set_name                 },
7218
7219   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
7220   { &setup.volume_simple,               &volume_simple_text             },
7221
7222   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
7223   { &setup.volume_loops,                &volume_loops_text              },
7224
7225   { &setup.volume_music,                execSetupChooseVolumeMusic      },
7226   { &setup.volume_music,                &volume_music_text              },
7227
7228   { &setup.touch.control_type,          execSetupChooseTouchControls    },
7229   { &setup.touch.control_type,          &touch_controls_text            },
7230
7231   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
7232   { &setup.touch.move_distance,         &move_distance_text             },
7233
7234   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
7235   { &setup.touch.drop_distance,         &drop_distance_text             },
7236
7237   { &setup.touch.transparency,          execSetupChooseTransparency     },
7238   { &setup.touch.transparency,          &transparency_text              },
7239
7240   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
7241   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
7242
7243   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
7244   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
7245
7246   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
7247   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
7248
7249   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
7250   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
7251
7252   { &setup.internal.menu_game,          execSetupGame                   },
7253   { &setup.internal.menu_engines,       execSetupEngines                },
7254   { &setup.internal.menu_editor,        execSetupEditor                 },
7255   { &setup.internal.menu_graphics,      execSetupGraphics               },
7256   { &setup.internal.menu_sound,         execSetupSound                  },
7257   { &setup.internal.menu_artwork,       execSetupArtwork                },
7258   { &setup.internal.menu_input,         execSetupInput                  },
7259   { &setup.internal.menu_touch,         execSetupTouch                  },
7260   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
7261   { &setup.internal.menu_exit,          execExitSetup                   },
7262   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
7263
7264   { &setup.internal.info_title,         execInfoTitleScreen             },
7265   { &setup.internal.info_elements,      execInfoElements                },
7266   { &setup.internal.info_music,         execInfoMusic                   },
7267   { &setup.internal.info_credits,       execInfoCredits                 },
7268   { &setup.internal.info_program,       execInfoProgram                 },
7269   { &setup.internal.info_version,       execInfoVersion                 },
7270   { &setup.internal.info_levelset,      execInfoLevelSet                },
7271   { &setup.internal.info_exit,          execExitInfo                    },
7272
7273   { NULL,                               NULL                            }
7274 };
7275
7276 void setHideRelatedSetupEntries(void)
7277 {
7278   int i;
7279
7280   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
7281     if (hideSetupEntry(hide_related_entry_list[i].value))
7282       setHideSetupEntry(hide_related_entry_list[i].related_value);
7283 }
7284
7285 static struct TokenInfo setup_info_main[] =
7286 {
7287   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
7288   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
7289   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
7290   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
7291   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
7292   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
7293   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
7294   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
7295   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
7296   { TYPE_EMPTY,         NULL,                   ""                      },
7297   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
7298   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
7299
7300   { 0,                  NULL,                   NULL                    }
7301 };
7302
7303 static struct TokenInfo setup_info_game[] =
7304 {
7305   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
7306   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
7307   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
7308   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
7309   { TYPE_STRING,        &network_server_text,   ""                      },
7310   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
7311   { TYPE_ENTER_LIST,    execSetupChooseScoresType,"Scores in Highscore List:" },
7312   { TYPE_STRING,        &scores_type_text,      ""                      },
7313   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload Tapes to Server" },
7314   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
7315   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
7316   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
7317   { TYPE_SWITCH,        &setup.handicap,        "Force Solving Levels:" },
7318   { TYPE_SWITCH,        &setup.skip_levels,     "Allow Skipping Levels:" },
7319   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
7320   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
7321   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
7322   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
7323   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
7324   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
7325   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
7326   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
7327   { TYPE_SWITCH,        &setup.auto_pause_on_start, "Start Game in Pause Mode:" },
7328   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
7329   { TYPE_STRING,        &game_speed_text,       ""                      },
7330   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
7331 #if 1
7332   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7333   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7334 #endif
7335   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
7336   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
7337   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
7338   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
7339   { TYPE_EMPTY,         NULL,                   ""                      },
7340   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7341
7342   { 0,                  NULL,                   NULL                    }
7343 };
7344
7345 static struct TokenInfo setup_info_engines[] =
7346 {
7347   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
7348   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
7349   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
7350   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
7351   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
7352   { TYPE_EMPTY,         NULL,                   ""                      },
7353   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
7354   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
7355   { TYPE_EMPTY,         NULL,                   ""                      },
7356   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7357
7358   { 0,                  NULL,                   NULL                    }
7359 };
7360
7361 static struct TokenInfo setup_info_editor[] =
7362 {
7363 #if 0
7364   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
7365   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
7366   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
7367   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
7368   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
7369   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
7370   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
7371   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
7372   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
7373   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
7374 #endif
7375   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
7376   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
7377 #if 0
7378   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
7379 #endif
7380   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
7381   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
7382   { TYPE_EMPTY,         NULL,                   ""                      },
7383 #if 0
7384   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
7385   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
7386   { TYPE_EMPTY,         NULL,                   ""                      },
7387 #endif
7388   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
7389   { TYPE_EMPTY,         NULL,                   ""                      },
7390   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
7391   { TYPE_EMPTY,         NULL,                   ""                      },
7392   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7393
7394   { 0,                  NULL,                   NULL                    }
7395 };
7396
7397 static struct TokenInfo setup_info_graphics[] =
7398 {
7399 #if !defined(PLATFORM_ANDROID) && !defined(PLATFORM_EMSCRIPTEN)
7400   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7401   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7402   { TYPE_STRING,        &window_size_text,      ""                      },
7403   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7404   { TYPE_STRING,        &scaling_type_text,     ""                      },
7405   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7406   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7407 #endif
7408 #if 0
7409   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7410   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7411 #endif
7412 #if !defined(PLATFORM_EMSCRIPTEN)
7413   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7414   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7415 #endif
7416   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7417   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7418   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7419   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7420   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7421   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7422   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7423   { TYPE_EMPTY,         NULL,                   ""                      },
7424   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7425
7426   { 0,                  NULL,                   NULL                    }
7427 };
7428
7429 static struct TokenInfo setup_info_sound[] =
7430 {
7431   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7432   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7433   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7434   { TYPE_EMPTY,         NULL,                   ""                      },
7435   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7436   { TYPE_STRING,        &volume_simple_text,    ""                      },
7437   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7438   { TYPE_STRING,        &volume_loops_text,     ""                      },
7439   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7440   { TYPE_STRING,        &volume_music_text,     ""                      },
7441   { TYPE_EMPTY,         NULL,                   ""                      },
7442   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7443
7444   { 0,                  NULL,                   NULL                    }
7445 };
7446
7447 static struct TokenInfo setup_info_artwork[] =
7448 {
7449   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7450   { TYPE_STRING,        &graphics_set_name,     ""                      },
7451   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7452   { TYPE_STRING,        &sounds_set_name,       ""                      },
7453   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7454   { TYPE_STRING,        &music_set_name,        ""                      },
7455   { TYPE_EMPTY,         NULL,                   ""                      },
7456   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7457   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7458   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7459   { TYPE_EMPTY,         NULL,                   ""                      },
7460   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7461
7462   { 0,                  NULL,                   NULL                    }
7463 };
7464
7465 static struct TokenInfo setup_info_input[] =
7466 {
7467   { TYPE_SWITCH,        NULL,                   "Player:"               },
7468   { TYPE_SWITCH,        NULL,                   "Device:"               },
7469   { TYPE_SWITCH,        NULL,                   ""                      },
7470   { TYPE_SKIPPABLE,     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_EMPTY,         NULL,                   ""                      },
7478   { TYPE_EMPTY,         NULL,                   ""                      },
7479   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7480   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7481
7482   { 0,                  NULL,                   NULL                    }
7483 };
7484
7485 static struct TokenInfo setup_info_touch[] =
7486 {
7487   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7488   { TYPE_STRING,        &touch_controls_text,   ""                      },
7489   { TYPE_EMPTY,         NULL,                   ""                      },
7490   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7491
7492   { 0,                  NULL,                   NULL                    }
7493 };
7494
7495 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7496 {
7497   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7498   { TYPE_STRING,        &touch_controls_text,   ""                      },
7499   { TYPE_EMPTY,         NULL,                   ""                      },
7500   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7501   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7502   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7503   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7504   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7505   { TYPE_STRING,        &transparency_text,     ""                      },
7506   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7507   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7508   { TYPE_EMPTY,         NULL,                   ""                      },
7509   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7510   { TYPE_EMPTY,         NULL,                   ""                      },
7511   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7512
7513   { 0,                  NULL,                   NULL                    }
7514 };
7515
7516 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7517 {
7518   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7519   { TYPE_STRING,        &touch_controls_text,   ""                      },
7520   { TYPE_EMPTY,         NULL,                   ""                      },
7521   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7522   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7523   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7524   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7525   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7526   { TYPE_STRING,        &transparency_text,     ""                      },
7527   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7528   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7529   { TYPE_EMPTY,         NULL,                   ""                      },
7530   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7531   { TYPE_EMPTY,         NULL,                   ""                      },
7532   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7533
7534   { 0,                  NULL,                   NULL                    }
7535 };
7536
7537 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7538 {
7539   setup_info_touch_virtual_buttons_0,
7540   setup_info_touch_virtual_buttons_1
7541 };
7542
7543 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7544 {
7545   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7546   { TYPE_STRING,        &touch_controls_text,   ""                      },
7547   { TYPE_EMPTY,         NULL,                   ""                      },
7548   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7549   { TYPE_STRING,        &move_distance_text,    ""                      },
7550   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7551   { TYPE_STRING,        &drop_distance_text,    ""                      },
7552   { TYPE_EMPTY,         NULL,                   ""                      },
7553   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7554
7555   { 0,                  NULL,                   NULL                    }
7556 };
7557
7558 static struct TokenInfo setup_info_shortcuts[] =
7559 {
7560   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7561   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7562   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7563   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7564   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7565   { TYPE_EMPTY,         NULL,                   ""                      },
7566   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7567
7568   { 0,                  NULL,                   NULL                    }
7569 };
7570
7571 static struct TokenInfo setup_info_shortcuts_1[] =
7572 {
7573   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7574   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7575   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7576   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7577   { TYPE_KEYTEXT,       NULL,           "Restart Game:",                },
7578   { TYPE_KEY,           &setup.shortcut.restart_game, ""                },
7579   { TYPE_KEYTEXT,       NULL,           "Replay & Pause Before End:",   },
7580   { TYPE_KEY,           &setup.shortcut.pause_before_end, ""            },
7581   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7582   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7583   { TYPE_EMPTY,         NULL,                   ""                      },
7584   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7585   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7586   { TYPE_EMPTY,         NULL,                   ""                      },
7587   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7588
7589   { 0,                  NULL,                   NULL                    }
7590 };
7591
7592 static struct TokenInfo setup_info_shortcuts_2[] =
7593 {
7594   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7595   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7596   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7597   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7598   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7599   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7600   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7601   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7602   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7603   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7604   { TYPE_EMPTY,         NULL,                   ""                      },
7605   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7606
7607   { 0,                  NULL,                   NULL                    }
7608 };
7609
7610 static struct TokenInfo setup_info_shortcuts_3[] =
7611 {
7612   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7613   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7614   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7615   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7616   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7617   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7618   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7619   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7620   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7621   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7622   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7623   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7624   { TYPE_EMPTY,         NULL,                   ""                      },
7625   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7626
7627   { 0,                  NULL,                   NULL                    }
7628 };
7629
7630 static struct TokenInfo setup_info_shortcuts_4[] =
7631 {
7632   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7633   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7634   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7635   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7636   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7637   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7638   { TYPE_EMPTY,         NULL,                   ""                      },
7639   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7640
7641   { 0,                  NULL,                   NULL                    }
7642 };
7643
7644 static struct TokenInfo setup_info_shortcuts_5[] =
7645 {
7646   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7647   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7648   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7649   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7650   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7651   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7652   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7653   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7654   { TYPE_EMPTY,         NULL,                   ""                      },
7655   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7656
7657   { 0,                  NULL,                   NULL                    }
7658 };
7659
7660 static Key getSetupKey(void)
7661 {
7662   Key key = KSYM_UNDEFINED;
7663   boolean got_key_event = FALSE;
7664
7665   while (!got_key_event)
7666   {
7667     Event event;
7668
7669     if (NextValidEvent(&event))
7670     {
7671       switch (event.type)
7672       {
7673         case EVENT_KEYPRESS:
7674           {
7675             key = GetEventKey((KeyEvent *)&event, TRUE);
7676
7677             // press 'Escape' or 'Enter' to keep the existing key binding
7678             if (key == KSYM_Escape || key == KSYM_Return)
7679               key = KSYM_UNDEFINED;     // keep old value
7680
7681             got_key_event = TRUE;
7682           }
7683           break;
7684
7685         case EVENT_KEYRELEASE:
7686           key_joystick_mapping = 0;
7687           break;
7688
7689         default:
7690           HandleOtherEvents(&event);
7691           break;
7692       }
7693     }
7694
7695     BackToFront();
7696   }
7697
7698   return key;
7699 }
7700
7701 static int getSetupValueFont(int type, void *value)
7702 {
7703   if (type & TYPE_GHOSTED)
7704     return FONT_OPTION_OFF;
7705   else if (type & TYPE_KEY)
7706     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7707   else if (type & TYPE_STRING)
7708     return FONT_VALUE_2;
7709   else if (type & TYPE_ECS_AGA)
7710     return FONT_VALUE_1;
7711   else if (type & TYPE_BOOLEAN_STYLE)
7712     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7713   else if (type & TYPE_YES_NO_AUTO)
7714     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7715             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7716   else if (type & TYPE_PLAYER)
7717     return FONT_VALUE_1;
7718   else
7719     return FONT_VALUE_1;
7720 }
7721
7722 static int getSetupValueFontNarrow(int type, int font_nr)
7723 {
7724   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7725           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7726           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7727           font_nr);
7728 }
7729
7730 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7731 {
7732   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7733   struct TokenInfo *si = &setup_info[si_pos];
7734   boolean font_draw_xoffset_modified = FALSE;
7735   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7736   int font_draw_xoffset_old = -1;
7737   int xoffset = (scrollbar_needed ? -1 : 0);
7738   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7739   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7740   int xpos = menu_screen_value_xpos;
7741   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7742   int startx = mSX + xpos * 32;
7743   int starty = mSY + ypos * 32;
7744   int type = si->type;
7745   void *value = si->value;
7746   char *value_string = getSetupValue(type, value);
7747   int font_nr_default = getSetupValueFont(type, value);
7748   int font_width_default = getFontWidth(font_nr_default);
7749   int font_nr = font_nr_default;
7750   int i;
7751
7752   if (value_string == NULL)
7753     return;
7754
7755   if (type & TYPE_KEY)
7756   {
7757     xpos = MENU_SCREEN_START_XPOS;
7758
7759     if (type & TYPE_QUERY)
7760       value_string = "<press key>";
7761   }
7762   else if (type & TYPE_STRING)
7763   {
7764     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7765
7766     xpos = MENU_SCREEN_START_XPOS;
7767
7768     if (strlen(value_string) > max_value_len)
7769       value_string[max_value_len] = '\0';
7770   }
7771   else if (type & TYPE_YES_NO_AUTO)
7772   {
7773     xpos = menu_screen_value_xpos - 1;
7774   }
7775   else if (type & TYPE_PLAYER)
7776   {
7777     int displayed_player_nr = *(int *)value + 1;
7778
7779     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7780   }
7781
7782   startx = mSX + xpos * 32;
7783   starty = mSY + ypos * 32;
7784
7785   // special check if right-side setup values moved left due to scrollbar
7786   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7787   {
7788     int max_menu_text_length = 26;      // maximum text length for classic menu
7789     int font_xoffset = getFontDrawOffsetX(font_nr);
7790     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7791     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7792     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7793     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7794
7795     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7796     {
7797       // when using narrow font, left-shifting text "auto" not needed
7798       if (type & TYPE_YES_NO_AUTO)
7799         xpos += 1;
7800
7801       xpos += 1;
7802       startx = mSX + xpos * 32;
7803
7804       font_nr = getSetupValueFontNarrow(type, font_nr);
7805     }
7806   }
7807
7808   // downward compatibility correction for Juergen Bonhagen's menu settings
7809   if (setup_mode != SETUP_MODE_INPUT)
7810   {
7811     int max_menu_text_length_big = (menu_screen_value_xpos -
7812                                     MENU_SCREEN_START_XPOS);
7813     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7814     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7815     int font1_xoffset = getFontDrawOffsetX(font_nr);
7816     int font2_xoffset = getFontDrawOffsetX(check_font_nr);
7817     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7818     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7819     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7820     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7821     boolean correct_font_draw_xoffset = FALSE;
7822
7823     if (xpos == MENU_SCREEN_START_XPOS &&
7824         startx + font1_xoffset < text_startx + text_font_xoffset)
7825       correct_font_draw_xoffset = TRUE;
7826
7827     if (xpos == menu_screen_value_xpos &&
7828         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7829       correct_font_draw_xoffset = TRUE;
7830
7831     // check if setup value would overlap with setup text when printed
7832     // (this can happen for extreme/wrong values for font draw offset)
7833     if (correct_font_draw_xoffset)
7834     {
7835       font_draw_xoffset_old = getFontDrawOffsetX(font_nr);
7836       font_draw_xoffset_modified = TRUE;
7837
7838       if (type & TYPE_KEY)
7839         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7840       else if (!(type & TYPE_STRING))
7841         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7842           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7843     }
7844   }
7845
7846   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7847     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7848
7849   DrawText(startx, starty, value_string, font_nr);
7850
7851   if (type & TYPE_PLAYER)
7852   {
7853     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7854     int player_nr = *(int *)value;
7855     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7856     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7857     int startx2 = startx + xoff;
7858     int starty2 = starty + yoff;
7859
7860     if (DrawingOnBackground(startx2, starty2))
7861       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7862
7863     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7864                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7865   }
7866
7867   if (font_draw_xoffset_modified)
7868     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7869 }
7870
7871 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7872 {
7873   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7874   struct TokenInfo *si = &setup_info[si_pos];
7875
7876   if (si->type & TYPE_BOOLEAN_STYLE)
7877   {
7878     *(boolean *)si->value ^= TRUE;
7879   }
7880   else if (si->type & TYPE_YES_NO_AUTO)
7881   {
7882     *(int *)si->value =
7883       (dx == -1 ?
7884        (*(int *)si->value == AUTO ? TRUE :
7885         *(int *)si->value == TRUE ? FALSE : AUTO) :
7886        (*(int *)si->value == TRUE ? AUTO :
7887         *(int *)si->value == AUTO ? FALSE : TRUE));
7888   }
7889   else if (si->type & TYPE_KEY)
7890   {
7891     Key key;
7892
7893     si->type |= TYPE_QUERY;
7894     drawSetupValue(screen_pos, setup_info_pos_raw);
7895     si->type &= ~TYPE_QUERY;
7896
7897     key = getSetupKey();
7898     if (key != KSYM_UNDEFINED)
7899       *(Key *)si->value = key;
7900   }
7901   else if (si->type & TYPE_PLAYER)
7902   {
7903     int player_nr = *(int *)si->value;
7904
7905     if (dx)
7906       player_nr += dx;
7907     else
7908       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7909
7910     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7911   }
7912
7913   drawSetupValue(screen_pos, setup_info_pos_raw);
7914
7915   // fullscreen state may have changed at this point
7916   if (si->value == &setup.fullscreen)
7917     ToggleFullscreenIfNeeded();
7918
7919   // network mode may have changed at this point
7920   if (si->value == &setup.network_mode)
7921     ToggleNetworkModeIfNeeded();
7922
7923   // API server mode may have changed at this point
7924   if (si->value == &setup.use_api_server)
7925     ToggleUseApiServerIfNeeded();
7926
7927   // game speed list may have changed at this point
7928   if (si->value == &setup.game_speed_extended)
7929     ToggleGameSpeedsListIfNeeded();
7930 }
7931
7932 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7933 {
7934   static struct TokenInfo *setup_info_final = NULL;
7935   int list_size = 0;
7936   int list_pos = 0;
7937   int i;
7938
7939   // determine maximum list size of target list
7940   while (setup_info_orig[list_size++].type != 0);
7941
7942   // free, allocate and clear memory for target list
7943   checked_free(setup_info_final);
7944   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7945
7946   // copy setup info list without setup entries marked as hidden
7947   for (i = 0; setup_info_orig[i].type != 0; i++)
7948   {
7949     // skip setup entries configured to be hidden
7950     if (hideSetupEntry(setup_info_orig[i].value))
7951       continue;
7952
7953     // skip skippable setup entries if screen is lower than usual
7954     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7955         setup_info_orig[i].type == TYPE_SKIPPABLE)
7956       continue;
7957
7958     setup_info_final[list_pos++] = setup_info_orig[i];
7959   }
7960
7961   return setup_info_final;
7962 }
7963
7964 static void DrawSetupScreen_Generic(void)
7965 {
7966   int fade_mask = REDRAW_FIELD;
7967   boolean redraw_all = FALSE;
7968   char *title_string = NULL;
7969   int i;
7970
7971   if (CheckFadeAll())
7972     fade_mask = REDRAW_ALL;
7973
7974   UnmapAllGadgets();
7975   FadeMenuSoundsAndMusic();
7976
7977   FreeScreenGadgets();
7978   CreateScreenGadgets();
7979
7980   if (redraw_mask & REDRAW_ALL)
7981     redraw_all = TRUE;
7982
7983   FadeOut(fade_mask);
7984
7985   // needed if different viewport properties defined for setup screen
7986   ChangeViewportPropertiesIfNeeded();
7987
7988   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7989
7990   ClearField();
7991
7992   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7993
7994   if (setup_mode == SETUP_MODE_MAIN)
7995   {
7996     setup_info = setup_info_main;
7997     title_string = STR_SETUP_MAIN;
7998   }
7999   else if (setup_mode == SETUP_MODE_GAME)
8000   {
8001     setup_info = setup_info_game;
8002     title_string = STR_SETUP_GAME;
8003   }
8004   else if (setup_mode == SETUP_MODE_ENGINES)
8005   {
8006     setup_info = setup_info_engines;
8007     title_string = STR_SETUP_ENGINES;
8008   }
8009   else if (setup_mode == SETUP_MODE_EDITOR)
8010   {
8011     setup_info = setup_info_editor;
8012     title_string = STR_SETUP_EDITOR;
8013   }
8014   else if (setup_mode == SETUP_MODE_GRAPHICS)
8015   {
8016     setup_info = setup_info_graphics;
8017     title_string = STR_SETUP_GRAPHICS;
8018   }
8019   else if (setup_mode == SETUP_MODE_SOUND)
8020   {
8021     setup_info = setup_info_sound;
8022     title_string = STR_SETUP_SOUND;
8023   }
8024   else if (setup_mode == SETUP_MODE_ARTWORK)
8025   {
8026     setup_info = setup_info_artwork;
8027     title_string = STR_SETUP_ARTWORK;
8028   }
8029   else if (setup_mode == SETUP_MODE_TOUCH)
8030   {
8031     setup_info = setup_info_touch;
8032     title_string = STR_SETUP_TOUCH;
8033
8034     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
8035       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
8036     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
8037       setup_info = setup_info_touch_wipe_gestures;
8038   }
8039   else if (setup_mode == SETUP_MODE_SHORTCUTS)
8040   {
8041     setup_info = setup_info_shortcuts;
8042     title_string = STR_SETUP_SHORTCUTS;
8043   }
8044   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
8045   {
8046     setup_info = setup_info_shortcuts_1;
8047     title_string = STR_SETUP_SHORTCUTS;
8048   }
8049   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
8050   {
8051     setup_info = setup_info_shortcuts_2;
8052     title_string = STR_SETUP_SHORTCUTS;
8053   }
8054   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
8055   {
8056     setup_info = setup_info_shortcuts_3;
8057     title_string = STR_SETUP_SHORTCUTS;
8058   }
8059   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
8060   {
8061     setup_info = setup_info_shortcuts_4;
8062     title_string = STR_SETUP_SHORTCUTS;
8063   }
8064   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
8065   {
8066     setup_info = setup_info_shortcuts_5;
8067     title_string = STR_SETUP_SHORTCUTS;
8068   }
8069
8070   // use modified setup info without setup entries marked as hidden
8071   setup_info = getSetupInfoFinal(setup_info);
8072
8073   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
8074
8075   // determine maximal number of setup entries that can be displayed on screen
8076   num_setup_info = 0;
8077   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
8078     num_setup_info++;
8079
8080   // determine maximal number of setup entries available for this setup screen
8081   max_setup_info = 0;
8082   for (i = 0; setup_info[i].type != 0; i++)
8083     max_setup_info++;
8084
8085   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
8086
8087   MapScreenGadgets(max_setup_info);
8088
8089   if (redraw_all)
8090     redraw_mask = fade_mask = REDRAW_ALL;
8091
8092   DrawMaskedBorder(fade_mask);
8093
8094   FadeIn(fade_mask);
8095 }
8096
8097 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
8098 {
8099   menu_info = setup_info;
8100
8101   HandleMenuScreen(mx, my, dx, dy, button,
8102                    setup_mode, num_setup_info, max_setup_info);
8103 }
8104
8105 static void DrawSetupScreen_Input(void)
8106 {
8107   int i;
8108
8109   FadeOut(REDRAW_FIELD);
8110
8111   ClearField();
8112
8113   setup_info = getSetupInfoFinal(setup_info_input);
8114
8115   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
8116
8117   for (i = 0; setup_info[i].type != 0; i++)
8118   {
8119     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
8120       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
8121     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
8122       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
8123     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
8124       initCursor(i, IMG_MENU_BUTTON);
8125
8126     DrawCursorAndText_Setup(i, -1, FALSE);
8127   }
8128
8129   // create gadgets for setup input menu screen
8130   FreeScreenGadgets();
8131   CreateScreenGadgets();
8132
8133   // map gadgets for setup input menu screen
8134   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
8135
8136   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
8137
8138   FadeIn(REDRAW_FIELD);
8139 }
8140
8141 static void setJoystickDeviceToNr(char *device_name, int device_nr)
8142 {
8143   if (device_name == NULL)
8144     return;
8145
8146   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
8147     device_nr = 0;
8148
8149   if (strlen(device_name) > 1)
8150   {
8151     char c1 = device_name[strlen(device_name) - 1];
8152     char c2 = device_name[strlen(device_name) - 2];
8153
8154     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
8155       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
8156   }
8157   else
8158     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
8159             strlen(device_name));
8160 }
8161
8162 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
8163 {
8164   int i;
8165   static struct SetupKeyboardInfo custom_key;
8166   static struct
8167   {
8168     Key *key;
8169     char *text;
8170   } custom[] =
8171   {
8172     { &custom_key.left,  "Axis/Pad Left"  },
8173     { &custom_key.right, "Axis/Pad Right" },
8174     { &custom_key.up,    "Axis/Pad Up"    },
8175     { &custom_key.down,  "Axis/Pad Down"  },
8176     { &custom_key.snap,  "Button 1/A/X"   },
8177     { &custom_key.drop,  "Button 2/B/Y"   }
8178   };
8179   static char *joystick_name[MAX_PLAYERS] =
8180   {
8181     "Joystick1",
8182     "Joystick2",
8183     "Joystick3",
8184     "Joystick4"
8185   };
8186   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
8187   int font_nr_info = FONT_MENU_1;
8188   int font_nr_name = FONT_VALUE_OLD;
8189   int font_nr_on   = FONT_VALUE_1;
8190   int font_nr_off  = FONT_VALUE_OLD;
8191   int pos = 4;
8192
8193   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8194   {
8195     font_nr_info = FONT_MENU_2;
8196     font_nr_on   = FONT_VALUE_NARROW;
8197     font_nr_off  = FONT_VALUE_OLD_NARROW;
8198   }
8199
8200   custom_key = setup.input[player_nr].key;
8201
8202   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
8203            FONT_INPUT_1_ACTIVE);
8204
8205   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8206                              TILEX, TILEY);
8207   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8208                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8209
8210   if (setup.input[player_nr].use_joystick)
8211   {
8212     char *device_name = setup.input[player_nr].joy.device_name;
8213     int joystick_nr = getJoystickNrFromDeviceName(device_name);
8214     boolean joystick_active = CheckJoystickOpened(joystick_nr);
8215     char *text = joystick_name[joystick_nr];
8216     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
8217
8218     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
8219     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
8220   }
8221   else
8222   {
8223     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
8224     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
8225   }
8226
8227   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
8228     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
8229   else
8230     pos = 3;
8231
8232   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
8233   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
8234   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
8235   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
8236
8237   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
8238   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
8239   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
8240   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
8241   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
8242   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
8243
8244   for (i = 0; i < 6; i++)
8245   {
8246     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
8247
8248     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8249              "              ", font_nr_on);
8250     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8251              (setup.input[player_nr].use_joystick ?
8252               custom[i].text :
8253               getKeyNameFromKey(*custom[i].key)), font_nr_on);
8254   }
8255 }
8256
8257 static int input_player_nr = 0;
8258
8259 static void HandleSetupScreen_Input_Player(int step, int direction)
8260 {
8261   int old_player_nr = input_player_nr;
8262   int new_player_nr;
8263
8264   new_player_nr = old_player_nr + step * direction;
8265   if (new_player_nr < 0)
8266     new_player_nr = 0;
8267   if (new_player_nr > MAX_PLAYERS - 1)
8268     new_player_nr = MAX_PLAYERS - 1;
8269
8270   if (new_player_nr != old_player_nr)
8271   {
8272     input_player_nr = new_player_nr;
8273
8274     drawPlayerSetupInputInfo(input_player_nr, FALSE);
8275   }
8276 }
8277
8278 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
8279 {
8280   static int choice = 0;
8281   int x = 0;
8282   int y = choice;
8283   int pos_start  = SETUPINPUT_SCREEN_POS_START;
8284   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
8285   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
8286   int pos_end    = SETUPINPUT_SCREEN_POS_END;
8287
8288   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
8289   {
8290     int i;
8291
8292     for (i = 0; setup_info_input[i].type != 0; i++)
8293     {
8294       // adjust menu structure according to skipped setup entries
8295       if (setup_info_input[i].type == TYPE_SKIPPABLE)
8296       {
8297         pos_empty2--;
8298         pos_end--;
8299       }
8300     }
8301   }
8302
8303   if (button == MB_MENU_INITIALIZE)
8304   {
8305     // input setup menu may have changed size due to graphics configuration
8306     if (choice >= pos_empty1)
8307       choice = pos_end;
8308
8309     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
8310
8311     DrawCursorAndText_Setup(choice, -1, TRUE);
8312
8313     return;
8314   }
8315   else if (button == MB_MENU_LEAVE)
8316   {
8317     setup_mode = SETUP_MODE_MAIN;
8318     DrawSetupScreen();
8319     InitJoysticks();
8320
8321     return;
8322   }
8323
8324   if (mx || my)         // mouse input
8325   {
8326     x = (mx - mSX) / 32;
8327     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
8328   }
8329   else if (dx || dy)    // keyboard input
8330   {
8331     if (dx && choice == 0)
8332       x = (dx < 0 ? 10 : 12);
8333     else if ((dx && choice == 1) ||
8334              (dx == -1 && choice == pos_end))
8335       button = MB_MENU_CHOICE;
8336     else if (dy)
8337       y = choice + dy;
8338
8339     if (y >= pos_empty1 && y <= pos_empty2)
8340       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8341   }
8342
8343   if (y == 0 && dx != 0 && button)
8344   {
8345     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8346   }
8347   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8348            y >= pos_start && y <= pos_end &&
8349            !(y >= pos_empty1 && y <= pos_empty2))
8350   {
8351     if (button)
8352     {
8353       if (y != choice)
8354       {
8355         DrawCursorAndText_Setup(choice, -1, FALSE);
8356         DrawCursorAndText_Setup(y, -1, TRUE);
8357
8358         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8359
8360         choice = y;
8361       }
8362     }
8363     else
8364     {
8365       if (y == 1)
8366       {
8367         char *device_name = setup.input[input_player_nr].joy.device_name;
8368
8369         if (!setup.input[input_player_nr].use_joystick)
8370         {
8371           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8372
8373           setJoystickDeviceToNr(device_name, new_device_nr);
8374           setup.input[input_player_nr].use_joystick = TRUE;
8375         }
8376         else
8377         {
8378           int device_nr = getJoystickNrFromDeviceName(device_name);
8379           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8380
8381           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8382             setup.input[input_player_nr].use_joystick = FALSE;
8383           else
8384             setJoystickDeviceToNr(device_name, new_device_nr);
8385         }
8386
8387         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8388       }
8389       else if (y == 2)
8390       {
8391         if (setup.input[input_player_nr].use_joystick)
8392           ConfigureJoystick(input_player_nr);
8393         else
8394           CustomizeKeyboard(input_player_nr);
8395       }
8396       else if (y == pos_end)
8397       {
8398         InitJoysticks();
8399
8400         FadeSetLeaveMenu();
8401
8402         setup_mode = SETUP_MODE_MAIN;
8403         DrawSetupScreen();
8404       }
8405     }
8406   }
8407 }
8408
8409 static boolean CustomizeKeyboardMain(int player_nr)
8410 {
8411   int i;
8412   int step_nr;
8413   boolean finished = FALSE;
8414   static struct SetupKeyboardInfo custom_key;
8415   static struct
8416   {
8417     Key *key;
8418     char *text;
8419   } customize_step[] =
8420   {
8421     { &custom_key.left,  "Move Left"    },
8422     { &custom_key.right, "Move Right"   },
8423     { &custom_key.up,    "Move Up"      },
8424     { &custom_key.down,  "Move Down"    },
8425     { &custom_key.snap,  "Snap Field"   },
8426     { &custom_key.drop,  "Drop Element" }
8427   };
8428   int font_nr_old = FONT_VALUE_OLD;
8429   int font_nr_new = FONT_VALUE_1;
8430   boolean success = FALSE;
8431
8432   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8433   {
8434     font_nr_old = FONT_VALUE_OLD_NARROW;
8435     font_nr_new = FONT_VALUE_NARROW;
8436   }
8437
8438   // read existing key bindings from player setup
8439   custom_key = setup.input[player_nr].key;
8440
8441   FadeSetEnterMenu();
8442   FadeOut(REDRAW_FIELD);
8443
8444   ClearField();
8445
8446   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8447
8448   step_nr = 0;
8449   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8450            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8451   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8452            "Key:", FONT_INPUT_1_ACTIVE);
8453   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8454            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8455
8456   FadeIn(REDRAW_FIELD);
8457
8458   while (!finished)
8459   {
8460     Event event;
8461     DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8462
8463     // reset frame delay counter directly after updating screen
8464     ResetDelayCounter(&event_frame_delay);
8465
8466     while (NextValidEvent(&event))
8467     {
8468       switch (event.type)
8469       {
8470         case EVENT_KEYPRESS:
8471           {
8472             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8473
8474             // press 'Escape' to abort and keep the old key bindings
8475             if (key == KSYM_Escape)
8476             {
8477               FadeSkipNextFadeIn();
8478
8479               finished = TRUE;
8480
8481               break;
8482             }
8483
8484             // press 'Enter' to keep the existing key binding
8485             if (key == KSYM_Return)
8486               key = *customize_step[step_nr].key;
8487
8488             // check if key already used
8489             for (i = 0; i < step_nr; i++)
8490               if (*customize_step[i].key == key)
8491                 break;
8492             if (i < step_nr)
8493               break;
8494
8495             // got new key binding
8496             *customize_step[step_nr].key = key;
8497             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8498                      "             ", font_nr_new);
8499             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8500                      getKeyNameFromKey(key), font_nr_new);
8501             step_nr++;
8502
8503             // un-highlight last query
8504             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8505                      customize_step[step_nr - 1].text, FONT_MENU_1);
8506             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8507                      "Key:", FONT_MENU_1);
8508
8509             // all keys configured
8510             if (step_nr == 6)
8511             {
8512               finished = TRUE;
8513               success = TRUE;
8514
8515               break;
8516             }
8517
8518             // query next key binding
8519             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8520                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8521             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8522                      "Key:", FONT_INPUT_1_ACTIVE);
8523             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8524                      getKeyNameFromKey(*customize_step[step_nr].key),
8525                      font_nr_old);
8526           }
8527           break;
8528
8529         case EVENT_KEYRELEASE:
8530           key_joystick_mapping = 0;
8531           break;
8532
8533         default:
8534           HandleOtherEvents(&event);
8535           break;
8536       }
8537
8538       // do not handle events for longer than standard frame delay period
8539       if (DelayReached(&event_frame_delay))
8540         break;
8541     }
8542
8543     BackToFront();
8544   }
8545
8546   // write new key bindings back to player setup, if successfully finished
8547   if (success)
8548     setup.input[player_nr].key = custom_key;
8549
8550   return success;
8551 }
8552
8553 void CustomizeKeyboard(int player_nr)
8554 {
8555   boolean success = CustomizeKeyboardMain(player_nr);
8556
8557   if (success)
8558   {
8559     int font_nr = FONT_TITLE_1;
8560     int font_height = getFontHeight(font_nr);
8561     int ypos1 = SYSIZE / 2 - font_height * 2;
8562     int ypos2 = SYSIZE / 2 - font_height * 1;
8563     DelayCounter wait_frame_delay = { 2000 };
8564
8565     ResetDelayCounter(&wait_frame_delay);
8566
8567     ClearField();
8568
8569     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8570     DrawTextSCentered(ypos2, font_nr, "configured!");
8571
8572     while (!DelayReached(&wait_frame_delay))
8573       BackToFront();
8574
8575     ClearEventQueue();
8576   }
8577
8578   DrawSetupScreen_Input();
8579 }
8580
8581 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8582
8583 #define MARKER_BUTTON           1
8584 #define MARKER_AXIS_X           2
8585 #define MARKER_AXIS_Y           3
8586
8587 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8588 {
8589   static boolean bitmaps_initialized = FALSE;
8590   boolean screen_initialized = FALSE;
8591   static Bitmap *controller, *button, *axis_x, *axis_y;
8592   char *name;
8593   boolean success = TRUE;
8594   boolean done = FALSE, next = FALSE;
8595   Event event;
8596   int alpha = 200, alpha_step = -1;
8597   int alpha_ticks = 0;
8598   char mapping[4096], temp[256];
8599   int font_name = MENU_SETUP_FONT_TITLE;
8600   int font_info = MENU_SETUP_FONT_TEXT;
8601   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8602   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8603   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8604   int ystep_name = getMenuTextStep(spacing_name, font_name);
8605   int ystep_line = getMenuTextStep(spacing_line, font_info);
8606   int ystep_para = getMenuTextStep(spacing_para, font_info);
8607   int i, j;
8608
8609   struct
8610   {
8611     int x, y;
8612     int marker;
8613     char *field;
8614     int axis, button, hat, hat_value;
8615     char mapping[4096];
8616   }
8617   *step, *prev_step, steps[] =
8618   {
8619     { 356, 155, MARKER_BUTTON, "a",             },
8620     { 396, 122, MARKER_BUTTON, "b",             },
8621     { 320, 125, MARKER_BUTTON, "x",             },
8622     { 358,  95, MARKER_BUTTON, "y",             },
8623     { 162, 125, MARKER_BUTTON, "back",          },
8624     { 216, 125, MARKER_BUTTON, "guide",         },
8625     { 271, 125, MARKER_BUTTON, "start",         },
8626     { 110, 200, MARKER_BUTTON, "dpleft",        },
8627     { 146, 228, MARKER_BUTTON, "dpdown",        },
8628     { 178, 200, MARKER_BUTTON, "dpright",       },
8629     { 146, 172, MARKER_BUTTON, "dpup",          },
8630     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8631     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8632     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8633     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8634     {  73, 141, MARKER_BUTTON, "leftstick",     },
8635     { 282, 210, MARKER_BUTTON, "rightstick",    },
8636     {  73, 141, MARKER_AXIS_X, "leftx",         },
8637     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8638     { 282, 210, MARKER_AXIS_X, "rightx",        },
8639     { 282, 210, MARKER_AXIS_Y, "righty",        },
8640   };
8641
8642   if (!bitmaps_initialized)
8643   {
8644     controller = LoadCustomImage("joystick/controller.png");
8645     button     = LoadCustomImage("joystick/button.png");
8646     axis_x     = LoadCustomImage("joystick/axis_x.png");
8647     axis_y     = LoadCustomImage("joystick/axis_y.png");
8648
8649     bitmaps_initialized = TRUE;
8650   }
8651
8652   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8653
8654 #if DEBUG_JOYSTICKS
8655   // print info about the joystick we are watching
8656   Debug("joystick", "watching joystick %d: (%s)",
8657         SDL_JoystickInstanceID(joystick), name);
8658   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8659         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8660         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8661 #endif
8662
8663   // initialize mapping with GUID and name
8664   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8665
8666   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8667            temp, name, SDL_GetPlatform());
8668
8669   // loop through all steps (buttons and axes), getting joystick events
8670   for (i = 0; i < SDL_arraysize(steps) && !done;)
8671   {
8672     Bitmap *marker = button;    // initialize with reliable default value
8673
8674     step = &steps[i];
8675     strcpy(step->mapping, mapping);
8676     step->axis = -1;
8677     step->button = -1;
8678     step->hat = -1;
8679     step->hat_value = -1;
8680
8681     marker = (step->marker == MARKER_BUTTON ? button :
8682               step->marker == MARKER_AXIS_X ? axis_x :
8683               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8684
8685     next = FALSE;
8686
8687     while (!done && !next)
8688     {
8689       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8690       alpha_ticks = SDL_GetTicks();
8691
8692       if (alpha >= 255)
8693       {
8694         alpha = 255;
8695         alpha_step = -1;
8696       }
8697       else if (alpha < 128)
8698       {
8699         alpha = 127;
8700         alpha_step = 1;
8701       }
8702
8703       int controller_x = SX + (SXSIZE - controller->width) / 2;
8704       int controller_y = SY + ystep_line;
8705
8706       int marker_x = controller_x + step->x;
8707       int marker_y = controller_y + step->y;
8708
8709       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8710       int ystart2 = ystart1 + ystep_name + ystep_line;
8711
8712       ClearField();
8713
8714       DrawTextSCentered(ystart1, font_name, name);
8715
8716       DrawTextSCentered(ystart2, font_info,
8717                         "Press buttons and move axes on");
8718       ystart2 += ystep_line;
8719       DrawTextSCentered(ystart2, font_info,
8720                         "your controller when indicated.");
8721       ystart2 += ystep_line;
8722       DrawTextSCentered(ystart2, font_info,
8723                         "(Your controller may look different.)");
8724       ystart2 += ystep_para;
8725
8726 #if defined(PLATFORM_ANDROID)
8727       DrawTextSCentered(ystart2, font_info,
8728                         "To correct a mistake,");
8729       ystart2 += ystep_line;
8730       DrawTextSCentered(ystart2, font_info,
8731                         "press the 'back' button.");
8732       ystart2 += ystep_line;
8733       DrawTextSCentered(ystart2, font_info,
8734                         "To skip a button or axis,");
8735       ystart2 += ystep_line;
8736       DrawTextSCentered(ystart2, font_info,
8737                         "press the 'menu' button.");
8738 #else
8739       DrawTextSCentered(ystart2, font_info,
8740                         "To correct a mistake,");
8741       ystart2 += ystep_line;
8742       DrawTextSCentered(ystart2, font_info,
8743                         "press the 'backspace' key.");
8744       ystart2 += ystep_line;
8745       DrawTextSCentered(ystart2, font_info,
8746                         "To skip a button or axis,");
8747       ystart2 += ystep_line;
8748       DrawTextSCentered(ystart2, font_info,
8749                         "press the 'return' key.");
8750       ystart2 += ystep_line;
8751       DrawTextSCentered(ystart2, font_info,
8752                         "To exit, press the 'escape' key.");
8753 #endif
8754
8755       BlitBitmapMasked(controller, drawto, 0, 0,
8756                        controller->width, controller->height,
8757                        controller_x, controller_y);
8758
8759       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8760       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8761
8762       BlitBitmapMasked(marker, drawto, 0, 0,
8763                        marker->width, marker->height,
8764                        marker_x, marker_y);
8765
8766       if (!screen_initialized)
8767         FadeIn(REDRAW_FIELD);
8768       else
8769         BackToFront();
8770
8771       screen_initialized = TRUE;
8772
8773       DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8774
8775       // reset frame delay counter directly after updating screen
8776       ResetDelayCounter(&event_frame_delay);
8777
8778       while (NextValidEvent(&event))
8779       {
8780         switch (event.type)
8781         {
8782           case SDL_JOYAXISMOTION:
8783             if (event.jaxis.value > 20000 ||
8784                 event.jaxis.value < -20000)
8785             {
8786               for (j = 0; j < i; j++)
8787                 if (steps[j].axis == event.jaxis.axis)
8788                   break;
8789
8790               if (j == i)
8791               {
8792                 if (step->marker != MARKER_AXIS_X &&
8793                     step->marker != MARKER_AXIS_Y)
8794                   break;
8795
8796                 step->axis = event.jaxis.axis;
8797                 strcat(mapping, step->field);
8798                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8799                 strcat(mapping, temp);
8800                 i++;
8801                 next = TRUE;
8802               }
8803             }
8804
8805             break;
8806
8807           case SDL_JOYHATMOTION:
8808             // ignore centering; we're probably just coming back
8809             // to the center from the previous item we set
8810             if (event.jhat.value == SDL_HAT_CENTERED)
8811               break;
8812
8813             for (j = 0; j < i; j++)
8814               if (steps[j].hat == event.jhat.hat &&
8815                   steps[j].hat_value == event.jhat.value)
8816                 break;
8817
8818             if (j == i)
8819             {
8820               step->hat = event.jhat.hat;
8821               step->hat_value = event.jhat.value;
8822               strcat(mapping, step->field);
8823               snprintf(temp, sizeof(temp), ":h%u.%u,",
8824                        event.jhat.hat, event.jhat.value );
8825               strcat(mapping, temp);
8826               i++;
8827               next = TRUE;
8828             }
8829
8830             break;
8831
8832           case SDL_JOYBALLMOTION:
8833             break;
8834
8835           case SDL_JOYBUTTONUP:
8836             for (j = 0; j < i; j++)
8837               if (steps[j].button == event.jbutton.button)
8838                 break;
8839
8840             if (j == i)
8841             {
8842               step->button = event.jbutton.button;
8843               strcat(mapping, step->field);
8844               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8845               strcat(mapping, temp);
8846               i++;
8847               next = TRUE;
8848             }
8849
8850             break;
8851
8852           case SDL_FINGERDOWN:
8853           case SDL_MOUSEBUTTONDOWN:
8854             // skip this step
8855             i++;
8856             next = TRUE;
8857
8858             break;
8859
8860           case SDL_KEYDOWN:
8861             if (event.key.keysym.sym == KSYM_BackSpace ||
8862                 event.key.keysym.sym == KSYM_Back)
8863             {
8864               if (i == 0)
8865               {
8866                 // leave screen
8867                 success = FALSE;
8868                 done = TRUE;
8869
8870                 break;
8871               }
8872
8873               // undo this step
8874               prev_step = &steps[i - 1];
8875               strcpy(mapping, prev_step->mapping);
8876               i--;
8877               next = TRUE;
8878
8879               break;
8880             }
8881
8882             if (event.key.keysym.sym == KSYM_space ||
8883                 event.key.keysym.sym == KSYM_Return ||
8884                 event.key.keysym.sym == KSYM_Menu)
8885             {
8886               // skip this step
8887               i++;
8888               next = TRUE;
8889
8890               break;
8891             }
8892
8893             if (event.key.keysym.sym == KSYM_Escape)
8894             {
8895               // leave screen
8896               success = FALSE;
8897               done = TRUE;
8898             }
8899
8900             break;
8901
8902           case SDL_QUIT:
8903             program.exit_function(0);
8904             break;
8905
8906           default:
8907             break;
8908         }
8909
8910         // do not handle events for longer than standard frame delay period
8911         if (DelayReached(&event_frame_delay))
8912           break;
8913       }
8914     }
8915   }
8916
8917   if (success)
8918   {
8919 #if DEBUG_JOYSTICKS
8920     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8921 #endif
8922
8923     // activate mapping for this game
8924     SDL_GameControllerAddMapping(mapping);
8925
8926     // save mapping to personal mappings
8927     SaveSetup_AddGameControllerMapping(mapping);
8928   }
8929
8930   // wait until the last pending event was removed from event queue
8931   while (NextValidEvent(&event));
8932
8933   return success;
8934 }
8935
8936 static int ConfigureJoystickMain(int player_nr)
8937 {
8938   char *device_name = setup.input[player_nr].joy.device_name;
8939   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8940   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8941   int success = FALSE;
8942   int i;
8943
8944   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8945     return JOYSTICK_NOT_AVAILABLE;
8946
8947   if (!joystick_active || !setup.input[player_nr].use_joystick)
8948     return JOYSTICK_NOT_AVAILABLE;
8949
8950   FadeSetEnterMenu();
8951   FadeOut(REDRAW_FIELD);
8952
8953   // close all joystick devices (potentially opened as game controllers)
8954   for (i = 0; i < SDL_NumJoysticks(); i++)
8955     SDLCloseJoystick(i);
8956
8957   // open joystick device as plain joystick to configure as game controller
8958   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8959
8960   // as the joystick was successfully opened before, this should not happen
8961   if (joystick == NULL)
8962     return FALSE;
8963
8964   // create new game controller mapping (buttons and axes) for joystick device
8965   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8966
8967   // close joystick (and maybe re-open as configured game controller later)
8968   SDL_JoystickClose(joystick);
8969
8970   // re-open all joystick devices (potentially as game controllers)
8971   for (i = 0; i < SDL_NumJoysticks(); i++)
8972     SDLOpenJoystick(i);
8973
8974   // clear all joystick input actions for all joystick devices
8975   SDLClearJoystickState();
8976
8977   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8978 }
8979
8980 void ConfigureJoystick(int player_nr)
8981 {
8982   boolean state = ConfigureJoystickMain(player_nr);
8983
8984   if (state != JOYSTICK_NOT_CONFIGURED)
8985   {
8986     boolean success = (state == JOYSTICK_CONFIGURED);
8987     char message1[MAX_OUTPUT_LINESIZE + 1];
8988     char *message2 = (success ? "configured!" : "not available!");
8989     char *device_name = setup.input[player_nr].joy.device_name;
8990     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8991     int font_nr = FONT_TITLE_1;
8992     int font_height = getFontHeight(font_nr);
8993     int ypos1 = SYSIZE / 2 - font_height * 2;
8994     int ypos2 = SYSIZE / 2 - font_height * 1;
8995     DelayCounter wait_frame_delay = { 2000 };
8996
8997     ResetDelayCounter(&wait_frame_delay);
8998
8999     ClearField();
9000
9001     sprintf(message1, "Joystick %d", nr);
9002
9003     DrawTextSCentered(ypos1, font_nr, message1);
9004     DrawTextSCentered(ypos2, font_nr, message2);
9005
9006     while (!DelayReached(&wait_frame_delay))
9007       BackToFront();
9008
9009     ClearEventQueue();
9010   }
9011
9012   DrawSetupScreen_Input();
9013 }
9014
9015 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
9016 {
9017   if (y < video.screen_height / 3)
9018   {
9019     // remap touch gadgets to access upper part of the screen
9020     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9021     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9022   }
9023   else if (y > 2 * video.screen_height / 3)
9024   {
9025     // remap touch gadgets to access lower part of the screen
9026     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9027     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9028   }
9029 }
9030
9031 static boolean ConfigureVirtualButtonsMain(void)
9032 {
9033   static char *customize_step_text[] =
9034   {
9035     "Move Left",
9036     "Move Right",
9037     "Move Up",
9038     "Move Down",
9039     "Snap Field",
9040     "Drop Element"
9041   };
9042   char grid_button[] =
9043   {
9044     CHAR_GRID_BUTTON_LEFT,
9045     CHAR_GRID_BUTTON_RIGHT,
9046     CHAR_GRID_BUTTON_UP,
9047     CHAR_GRID_BUTTON_DOWN,
9048     CHAR_GRID_BUTTON_SNAP,
9049     CHAR_GRID_BUTTON_DROP
9050   };
9051   enum
9052   {
9053     ACTION_NONE,
9054     ACTION_ESCAPE,
9055     ACTION_BACK,
9056     ACTION_NEXT
9057   };
9058   int font_nr = FONT_INPUT_1_ACTIVE;
9059   int font_height = getFontHeight(font_nr);
9060   int ypos1 = SYSIZE / 2 - font_height * 2;
9061   int ypos2 = SYSIZE / 2 - font_height * 1;
9062   boolean success = FALSE;
9063   boolean finished = FALSE;
9064   int step_nr = 0;
9065   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
9066   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9067   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9068   boolean set_grid_button = FALSE;
9069   int nr = GRID_ACTIVE_NR();
9070   int x, y;
9071
9072   for (x = 0; x < MAX_GRID_XSIZE; x++)
9073     for (y = 0; y < MAX_GRID_YSIZE; y++)
9074       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
9075
9076   overlay.grid_button_highlight = grid_button[step_nr];
9077
9078   UnmapAllGadgets();
9079
9080   FadeSetEnterMenu();
9081   FadeOut(REDRAW_FIELD);
9082
9083   ClearField();
9084
9085   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9086   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9087   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9088
9089   FadeIn(REDRAW_FIELD);
9090
9091   SetOverlayShowGrid(TRUE);
9092
9093   // map gadgets for setup touch buttons menu screen
9094   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9095
9096   while (!finished)
9097   {
9098     Event event;
9099
9100     while (NextValidEvent(&event))
9101     {
9102       int action = ACTION_NONE;
9103
9104       // ---------- handle events and set the resulting action ----------
9105
9106       switch (event.type)
9107       {
9108         case EVENT_USER:
9109           {
9110             UserEvent *user = (UserEvent *)&event;
9111             int id = user->value1;
9112
9113             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
9114                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
9115                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
9116                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
9117                       ACTION_NONE);
9118           }
9119           break;
9120
9121         case EVENT_KEYPRESS:
9122           {
9123             Key key = GetEventKey((KeyEvent *)&event, FALSE);
9124
9125             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
9126                       key == KSYM_BackSpace ||
9127                       key == KSYM_Back ?        ACTION_BACK :
9128                       key == KSYM_Return ||
9129                       key == KSYM_Menu ||
9130                       key == KSYM_space ?       ACTION_NEXT :
9131                       ACTION_NONE);
9132           }
9133           break;
9134
9135         case EVENT_KEYRELEASE:
9136           key_joystick_mapping = 0;
9137           break;
9138
9139         case EVENT_BUTTONPRESS:
9140         case EVENT_BUTTONRELEASE:
9141           {
9142             ButtonEvent *button = (ButtonEvent *)&event;
9143
9144             motion_status = FALSE;
9145
9146             if (button->type == EVENT_BUTTONPRESS)
9147               button_status = button->button;
9148             else
9149               button_status = MB_RELEASED;
9150
9151             if (HandleGadgets(button->x, button->y, button_status))
9152             {
9153               // do not handle this button event anymore
9154               break;
9155             }
9156
9157             button->x += video.screen_xoffset;
9158             button->y += video.screen_yoffset;
9159
9160             x = button->x * overlay.grid_xsize / video.screen_width;
9161             y = button->y * overlay.grid_ysize / video.screen_height;
9162
9163             if (button->type == EVENT_BUTTONPRESS)
9164             {
9165               grid_button_draw =
9166                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
9167                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
9168
9169               set_grid_button = TRUE;
9170             }
9171
9172             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
9173           }
9174           break;
9175
9176         case EVENT_MOTIONNOTIFY:
9177           {
9178             MotionEvent *motion = (MotionEvent *)&event;
9179
9180             motion_status = TRUE;
9181
9182             if (HandleGadgets(motion->x, motion->y, button_status))
9183             {
9184               // do not handle this button event anymore
9185               break;
9186             }
9187
9188             motion->x += video.screen_xoffset;
9189             motion->y += video.screen_yoffset;
9190
9191             x = motion->x * overlay.grid_xsize / video.screen_width;
9192             y = motion->y * overlay.grid_ysize / video.screen_height;
9193
9194             set_grid_button = TRUE;
9195
9196             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
9197           }
9198           break;
9199
9200         case SDL_WINDOWEVENT:
9201           HandleWindowEvent((WindowEvent *) &event);
9202
9203           // check if device has been rotated
9204           if (nr != GRID_ACTIVE_NR())
9205           {
9206             nr = GRID_ACTIVE_NR();
9207
9208             for (x = 0; x < MAX_GRID_XSIZE; x++)
9209               for (y = 0; y < MAX_GRID_YSIZE; y++)
9210                 grid_button_old[x][y] = grid_button_tmp[x][y] =
9211                   overlay.grid_button[x][y];
9212           }
9213
9214           break;
9215
9216         case SDL_APP_WILLENTERBACKGROUND:
9217         case SDL_APP_DIDENTERBACKGROUND:
9218         case SDL_APP_WILLENTERFOREGROUND:
9219         case SDL_APP_DIDENTERFOREGROUND:
9220           HandlePauseResumeEvent((PauseResumeEvent *) &event);
9221           break;
9222
9223         default:
9224           HandleOtherEvents(&event);
9225           break;
9226       }
9227
9228       // ---------- perform action set by handling events ----------
9229
9230       if (action == ACTION_ESCAPE)
9231       {
9232         // abort and restore the old key bindings
9233
9234         for (x = 0; x < MAX_GRID_XSIZE; x++)
9235           for (y = 0; y < MAX_GRID_YSIZE; y++)
9236             overlay.grid_button[x][y] = grid_button_old[x][y];
9237
9238         FadeSkipNextFadeIn();
9239
9240         finished = TRUE;
9241       }
9242       else if (action == ACTION_BACK)
9243       {
9244         // keep the configured key bindings and go to previous page
9245
9246         step_nr--;
9247
9248         if (step_nr < 0)
9249         {
9250           FadeSkipNextFadeIn();
9251
9252           finished = TRUE;
9253         }
9254       }
9255       else if (action == ACTION_NEXT)
9256       {
9257         // keep the configured key bindings and go to next page
9258
9259         step_nr++;
9260
9261         // all virtual buttons configured
9262         if (step_nr == 6)
9263         {
9264           finished = TRUE;
9265           success = TRUE;
9266         }
9267       }
9268
9269       if (action != ACTION_NONE && !finished)
9270       {
9271         for (x = 0; x < MAX_GRID_XSIZE; x++)
9272           for (y = 0; y < MAX_GRID_YSIZE; y++)
9273             grid_button_tmp[x][y] = overlay.grid_button[x][y];
9274
9275         overlay.grid_button_highlight = grid_button[step_nr];
9276
9277         // configure next virtual button
9278
9279         ClearField();
9280
9281         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9282         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9283         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9284       }
9285
9286       if (set_grid_button)
9287       {
9288         overlay.grid_button[x][y] =
9289           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
9290            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
9291            grid_button_tmp[x][y]);
9292
9293         set_grid_button = FALSE;
9294       }
9295     }
9296
9297     BackToFront();
9298   }
9299
9300   for (x = 0; x < MAX_GRID_XSIZE; x++)
9301     for (y = 0; y < MAX_GRID_YSIZE; y++)
9302       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9303
9304   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
9305
9306   SetOverlayShowGrid(FALSE);
9307
9308   return success;
9309 }
9310
9311 void ConfigureVirtualButtons(void)
9312 {
9313   boolean success = ConfigureVirtualButtonsMain();
9314
9315   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
9316                          SCREEN_MASK_TOUCH2);
9317
9318   if (success)
9319   {
9320     int font_nr = FONT_TITLE_1;
9321     int font_height = getFontHeight(font_nr);
9322     int ypos1 = SYSIZE / 2 - font_height * 2;
9323     int ypos2 = SYSIZE / 2 - font_height * 1;
9324     DelayCounter wait_frame_delay = { 2000 };
9325
9326     ResetDelayCounter(&wait_frame_delay);
9327
9328     ClearField();
9329
9330     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
9331     DrawTextSCentered(ypos2, font_nr, "configured!");
9332
9333     while (!DelayReached(&wait_frame_delay))
9334       BackToFront();
9335
9336     ClearEventQueue();
9337   }
9338 }
9339
9340 void DrawSetupScreen(void)
9341 {
9342   align_xoffset = 0;
9343   align_yoffset = 0;
9344
9345   if (setup_mode == SETUP_MODE_INPUT)
9346     DrawSetupScreen_Input();
9347   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9348     DrawChooseTree(&scores_type_current);
9349   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9350     DrawChooseTree(&game_speed_current);
9351   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9352     DrawChooseTree(&scroll_delay_current);
9353   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9354     DrawChooseTree(&snapshot_mode_current);
9355   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9356     DrawChooseTree(&window_size_current);
9357   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9358     DrawChooseTree(&scaling_type_current);
9359   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9360     DrawChooseTree(&rendering_mode_current);
9361   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9362     DrawChooseTree(&vsync_mode_current);
9363   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9364     DrawChooseTree(&artwork.gfx_current);
9365   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9366     DrawChooseTree(&artwork.snd_current);
9367   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9368     DrawChooseTree(&artwork.mus_current);
9369   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9370     DrawChooseTree(&volume_simple_current);
9371   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9372     DrawChooseTree(&volume_loops_current);
9373   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9374     DrawChooseTree(&volume_music_current);
9375   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9376     DrawChooseTree(&touch_control_current);
9377   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9378     DrawChooseTree(&move_distance_current);
9379   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9380     DrawChooseTree(&drop_distance_current);
9381   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9382     DrawChooseTree(&transparency_current);
9383   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9384     DrawChooseTree(&grid_size_current[0][0]);
9385   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9386     DrawChooseTree(&grid_size_current[0][1]);
9387   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9388     DrawChooseTree(&grid_size_current[1][0]);
9389   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9390     DrawChooseTree(&grid_size_current[1][1]);
9391   else
9392     DrawSetupScreen_Generic();
9393
9394   PlayMenuSoundsAndMusic();
9395 }
9396
9397 void RedrawSetupScreenAfterFullscreenToggle(void)
9398 {
9399   if (setup_mode == SETUP_MODE_GRAPHICS ||
9400       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9401   {
9402     // update list selection from "setup.window_scaling_percent"
9403     execSetupGraphics_setWindowSizes(TRUE);
9404
9405     DrawSetupScreen();
9406   }
9407 }
9408
9409 void RedrawSetupScreenAfterScreenRotation(int nr)
9410 {
9411   int x, y;
9412
9413   if (setup_mode == SETUP_MODE_TOUCH)
9414   {
9415     // update virtual button settings (depending on screen orientation)
9416     DrawSetupScreen();
9417   }
9418   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9419   {
9420     // save already configured virtual buttons
9421     for (x = 0; x < MAX_GRID_XSIZE; x++)
9422       for (y = 0; y < MAX_GRID_YSIZE; y++)
9423         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9424   }
9425 }
9426
9427 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9428 {
9429   if (setup_mode == SETUP_MODE_INPUT)
9430     HandleSetupScreen_Input(mx, my, dx, dy, button);
9431   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9432     HandleChooseTree(mx, my, dx, dy, button, &scores_type_current);
9433   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9434     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9435   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9436     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9437   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9438     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9439   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9440     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9441   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9442     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9443   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9444     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9445   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9446     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9447   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9448     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9449   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9450     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9451   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9452     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9453   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9454     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9455   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9456     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9457   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9458     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9459   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9460     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9461   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9462     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9463   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9464     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9465   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9466     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9467   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9468     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9469   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9470     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9471   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9472     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9473   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9474     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9475   else
9476     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9477 }
9478
9479 void HandleGameActions(void)
9480 {
9481   if (setup.ask_on_game_over)
9482     CheckGameOver();
9483
9484   if (game.restart_game_message != NULL)
9485   {
9486     RequestRestartGame(game.restart_game_message);
9487
9488     return;
9489   }
9490
9491   if (game_status != GAME_MODE_PLAYING)
9492     return;
9493
9494   GameActions();                // main game loop
9495
9496   if (tape.auto_play && !tape.playing)
9497     AutoPlayTapesContinue();    // continue automatically playing next tape
9498 }
9499
9500
9501 // ---------- new screen button stuff --------------------------------------
9502
9503 static struct
9504 {
9505   int gfx_unpressed, gfx_pressed;
9506   struct MenuPosInfo *pos;
9507   boolean *check_value;
9508   int gadget_id;
9509   int screen_mask;
9510   unsigned int event_mask;
9511   boolean is_touch_button;
9512   char *infotext;
9513 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9514 {
9515   {
9516     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9517     &menu.main.button.prev_level, NULL,
9518     SCREEN_CTRL_ID_PREV_LEVEL,
9519     SCREEN_MASK_MAIN,
9520     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9521     FALSE, "previous level"
9522   },
9523   {
9524     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9525     &menu.main.button.next_level, NULL,
9526     SCREEN_CTRL_ID_NEXT_LEVEL,
9527     SCREEN_MASK_MAIN,
9528     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9529     FALSE, "next level"
9530   },
9531   {
9532     IMG_MENU_BUTTON_PREV_LEVEL2, IMG_MENU_BUTTON_PREV_LEVEL2_ACTIVE,
9533     &menu.scores.button.prev_level, NULL,
9534     SCREEN_CTRL_ID_PREV_LEVEL2,
9535     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9536     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9537     FALSE, "previous level"
9538   },
9539   {
9540     IMG_MENU_BUTTON_NEXT_LEVEL2, IMG_MENU_BUTTON_NEXT_LEVEL2_ACTIVE,
9541     &menu.scores.button.next_level, NULL,
9542     SCREEN_CTRL_ID_NEXT_LEVEL2,
9543     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9544     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9545     FALSE, "next level"
9546   },
9547   {
9548     IMG_MENU_BUTTON_PREV_SCORE, IMG_MENU_BUTTON_PREV_SCORE_ACTIVE,
9549     &menu.scores.button.prev_score, NULL,
9550     SCREEN_CTRL_ID_PREV_SCORE,
9551     SCREEN_MASK_SCORES_INFO,
9552     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9553     FALSE, "previous score"
9554   },
9555   {
9556     IMG_MENU_BUTTON_NEXT_SCORE, IMG_MENU_BUTTON_NEXT_SCORE_ACTIVE,
9557     &menu.scores.button.next_score, NULL,
9558     SCREEN_CTRL_ID_NEXT_SCORE,
9559     SCREEN_MASK_SCORES_INFO,
9560     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9561     FALSE, "next score"
9562   },
9563   {
9564     IMG_MENU_BUTTON_PLAY_TAPE, IMG_MENU_BUTTON_PLAY_TAPE,
9565     &menu.scores.button.play_tape, NULL,
9566     SCREEN_CTRL_ID_PLAY_TAPE,
9567     SCREEN_MASK_SCORES_INFO,
9568     GD_EVENT_RELEASED,
9569     FALSE, "play tape"
9570   },
9571   {
9572     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9573     &menu.main.button.first_level, NULL,
9574     SCREEN_CTRL_ID_FIRST_LEVEL,
9575     SCREEN_MASK_MAIN,
9576     GD_EVENT_RELEASED,
9577     FALSE, "first level"
9578   },
9579   {
9580     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9581     &menu.main.button.last_level, NULL,
9582     SCREEN_CTRL_ID_LAST_LEVEL,
9583     SCREEN_MASK_MAIN,
9584     GD_EVENT_RELEASED,
9585     FALSE, "last level"
9586   },
9587   {
9588     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9589     &menu.main.button.level_number, NULL,
9590     SCREEN_CTRL_ID_LEVEL_NUMBER,
9591     SCREEN_MASK_MAIN,
9592     GD_EVENT_RELEASED,
9593     FALSE, "level number"
9594   },
9595   {
9596     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9597     &menu.setup.button.prev_player, NULL,
9598     SCREEN_CTRL_ID_PREV_PLAYER,
9599     SCREEN_MASK_INPUT,
9600     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9601     FALSE, "previous player"
9602   },
9603   {
9604     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9605     &menu.setup.button.next_player, NULL,
9606     SCREEN_CTRL_ID_NEXT_PLAYER,
9607     SCREEN_MASK_INPUT,
9608     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9609     FALSE, "next player"
9610   },
9611   {
9612     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9613     &menu.main.button.insert_solution, NULL,
9614     SCREEN_CTRL_ID_INSERT_SOLUTION,
9615     SCREEN_MASK_MAIN_HAS_SOLUTION,
9616     GD_EVENT_RELEASED,
9617     FALSE, "insert solution tape"
9618   },
9619   {
9620     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9621     &menu.main.button.play_solution, NULL,
9622     SCREEN_CTRL_ID_PLAY_SOLUTION,
9623     SCREEN_MASK_MAIN_HAS_SOLUTION,
9624     GD_EVENT_RELEASED,
9625     FALSE, "play solution tape"
9626   },
9627   {
9628     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9629     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9630     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9631     SCREEN_MASK_MAIN,
9632     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9633     FALSE, "switch ECS/AGA chipset"
9634   },
9635   {
9636     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9637     &menu.setup.button.touch_back, NULL,
9638     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9639     SCREEN_MASK_TOUCH,
9640     GD_EVENT_RELEASED,
9641     TRUE, "previous page"
9642   },
9643   {
9644     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9645     &menu.setup.button.touch_next, NULL,
9646     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9647     SCREEN_MASK_TOUCH,
9648     GD_EVENT_RELEASED,
9649     TRUE, "next page"
9650   },
9651   {
9652     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9653     &menu.setup.button.touch_back2, NULL,
9654     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9655     SCREEN_MASK_TOUCH2,
9656     GD_EVENT_RELEASED,
9657     TRUE, "previous page"
9658   },
9659   {
9660     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9661     &menu.setup.button.touch_next2, NULL,
9662     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9663     SCREEN_MASK_TOUCH2,
9664     GD_EVENT_RELEASED,
9665     TRUE, "next page"
9666   },
9667 };
9668
9669 static struct
9670 {
9671   int gfx_unpressed, gfx_pressed;
9672   int x, y;
9673   int gadget_id;
9674   char *infotext;
9675 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9676 {
9677   {
9678     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9679     -1, -1,     // these values are not constant, but can change at runtime
9680     SCREEN_CTRL_ID_SCROLL_UP,
9681     "scroll up"
9682   },
9683   {
9684     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9685     -1, -1,     // these values are not constant, but can change at runtime
9686     SCREEN_CTRL_ID_SCROLL_DOWN,
9687     "scroll down"
9688   }
9689 };
9690
9691 static struct
9692 {
9693   int gfx_unpressed, gfx_pressed;
9694   int x, y;
9695   int width, height;
9696   int type;
9697   int gadget_id;
9698   char *infotext;
9699 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9700 {
9701   {
9702     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9703     -1, -1,     // these values are not constant, but can change at runtime
9704     -1, -1,     // these values are not constant, but can change at runtime
9705     GD_TYPE_SCROLLBAR_VERTICAL,
9706     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9707     "scroll level series vertically"
9708   }
9709 };
9710
9711 static struct
9712 {
9713   int graphic;
9714   int gadget_id;
9715   int x, y;
9716   int size;
9717   char *value;
9718   char *infotext;
9719 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9720 {
9721   {
9722     IMG_SETUP_INPUT_TEXT,
9723     SCREEN_CTRL_ID_NETWORK_SERVER,
9724     -1, -1,     // these values are not constant, but can change at runtime
9725     MAX_SETUP_TEXT_INPUT_LEN,
9726     network_server_hostname,
9727     "Network Server Hostname / IP"
9728   },
9729 };
9730
9731 static void CreateScreenMenubuttons(void)
9732 {
9733   struct GadgetInfo *gi;
9734   unsigned int event_mask;
9735   int i;
9736
9737   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9738   {
9739     struct MenuPosInfo *pos = menubutton_info[i].pos;
9740     int screen_mask = menubutton_info[i].screen_mask;
9741     boolean is_touch_button = menubutton_info[i].is_touch_button;
9742     boolean is_check_button = menubutton_info[i].check_value != NULL;
9743     boolean is_score_button = (screen_mask & SCREEN_MASK_SCORES_INFO);
9744     boolean has_gfx_pressed = (menubutton_info[i].gfx_pressed ==
9745                                menubutton_info[i].gfx_unpressed);
9746     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9747     int gfx_unpressed, gfx_pressed;
9748     int x, y, width, height;
9749     int gd_x1, gd_x2, gd_y1, gd_y2;
9750     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9751     int id = menubutton_info[i].gadget_id;
9752     int type = GD_TYPE_NORMAL_BUTTON;
9753     boolean checked = FALSE;
9754
9755     // do not use touch buttons if overlay touch buttons are disabled
9756     if (is_touch_button && !setup.touch.overlay_buttons)
9757       continue;
9758
9759     event_mask = menubutton_info[i].event_mask;
9760
9761     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9762     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9763
9764     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9765     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9766
9767     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9768     gfx_pressed   = menubutton_info[i].gfx_pressed;
9769     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9770     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9771     gd_x1 = graphic_info[gfx_unpressed].src_x;
9772     gd_y1 = graphic_info[gfx_unpressed].src_y;
9773     gd_x2 = graphic_info[gfx_pressed].src_x;
9774     gd_y2 = graphic_info[gfx_pressed].src_y;
9775     gd_x1a = gd_x1;
9776     gd_y1a = gd_y1;
9777     gd_x2a = gd_x2;
9778     gd_y2a = gd_y2;
9779
9780     if (has_gfx_pressed)
9781     {
9782       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9783       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9784     }
9785
9786     if (is_check_button)
9787     {
9788       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9789       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9790       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9791       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9792
9793       type = GD_TYPE_CHECK_BUTTON;
9794       checked = *menubutton_info[i].check_value;
9795     }
9796
9797     if (is_score_button)
9798     {
9799       // if x/y set to -1, dynamically place buttons next to title text
9800       int title_width = getTextWidth(INFOTEXT_SCORE_ENTRY, FONT_TITLE_1);
9801
9802       // special compatibility handling for "Snake Bite" graphics set
9803       if (strPrefix(leveldir_current->identifier, "snake_bite"))
9804         title_width = strlen(INFOTEXT_SCORE_ENTRY) * 32;
9805
9806       // use "SX" here to center buttons (ignore horizontal draw offset)
9807       if (pos->x == -1)
9808         x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
9809              SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
9810              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
9811              SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
9812
9813       // use "mSY" here to place buttons (respect vertical draw offset)
9814       if (pos->y == -1)
9815         y = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ||
9816              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
9817     }
9818
9819     gi = CreateGadget(GDI_CUSTOM_ID, id,
9820                       GDI_CUSTOM_TYPE_ID, i,
9821                       GDI_IMAGE_ID, gfx_unpressed,
9822                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9823                       GDI_X, x,
9824                       GDI_Y, y,
9825                       GDI_WIDTH, width,
9826                       GDI_HEIGHT, height,
9827                       GDI_TYPE, type,
9828                       GDI_STATE, GD_BUTTON_UNPRESSED,
9829                       GDI_CHECKED, checked,
9830                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9831                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9832                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9833                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9834                       GDI_DIRECT_DRAW, FALSE,
9835                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9836                       GDI_EVENT_MASK, event_mask,
9837                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9838                       GDI_END);
9839
9840     if (gi == NULL)
9841       Fail("cannot create gadget");
9842
9843     screen_gadget[id] = gi;
9844   }
9845 }
9846
9847 static void CreateScreenScrollbuttons(void)
9848 {
9849   struct GadgetInfo *gi;
9850   unsigned int event_mask;
9851   int i;
9852
9853   // these values are not constant, but can change at runtime
9854   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9855   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9856   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9857   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9858
9859   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9860   {
9861     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9862     int gfx_unpressed, gfx_pressed;
9863     int x, y, width, height;
9864     int gd_x1, gd_x2, gd_y1, gd_y2;
9865     int id = scrollbutton_info[i].gadget_id;
9866
9867     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9868
9869     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9870     y = mSY + scrollbutton_info[i].y;
9871     width = SC_SCROLLBUTTON_XSIZE;
9872     height = SC_SCROLLBUTTON_YSIZE;
9873
9874     // correct scrollbar position if placed outside menu (playfield) area
9875     if (x > SX + SC_SCROLL_UP_XPOS)
9876       x = SX + SC_SCROLL_UP_XPOS;
9877
9878     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9879       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9880                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9881
9882     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9883     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9884     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9885     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9886     gd_x1 = graphic_info[gfx_unpressed].src_x;
9887     gd_y1 = graphic_info[gfx_unpressed].src_y;
9888     gd_x2 = graphic_info[gfx_pressed].src_x;
9889     gd_y2 = graphic_info[gfx_pressed].src_y;
9890
9891     gi = CreateGadget(GDI_CUSTOM_ID, id,
9892                       GDI_CUSTOM_TYPE_ID, i,
9893                       GDI_IMAGE_ID, gfx_unpressed,
9894                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9895                       GDI_X, x,
9896                       GDI_Y, y,
9897                       GDI_WIDTH, width,
9898                       GDI_HEIGHT, height,
9899                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9900                       GDI_STATE, GD_BUTTON_UNPRESSED,
9901                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9902                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9903                       GDI_DIRECT_DRAW, FALSE,
9904                       GDI_EVENT_MASK, event_mask,
9905                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9906                       GDI_END);
9907
9908     if (gi == NULL)
9909       Fail("cannot create gadget");
9910
9911     screen_gadget[id] = gi;
9912   }
9913 }
9914
9915 static void CreateScreenScrollbars(void)
9916 {
9917   int i;
9918
9919   // these values are not constant, but can change at runtime
9920   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9921   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9922   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9923   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9924
9925   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9926   {
9927     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9928     int gfx_unpressed, gfx_pressed;
9929     int x, y, width, height;
9930     int gd_x1, gd_x2, gd_y1, gd_y2;
9931     struct GadgetInfo *gi;
9932     int items_max, items_visible, item_position;
9933     unsigned int event_mask;
9934     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9935     int id = scrollbar_info[i].gadget_id;
9936
9937     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9938
9939     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9940     y = mSY + scrollbar_info[i].y;
9941     width  = scrollbar_info[i].width;
9942     height = scrollbar_info[i].height;
9943
9944     // correct scrollbar position if placed outside menu (playfield) area
9945     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9946       x = SX + SC_SCROLL_VERTICAL_XPOS;
9947
9948     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9949       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9950
9951     items_max = num_page_entries;
9952     items_visible = num_page_entries;
9953     item_position = 0;
9954
9955     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9956     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9957     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9958     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9959     gd_x1 = graphic_info[gfx_unpressed].src_x;
9960     gd_y1 = graphic_info[gfx_unpressed].src_y;
9961     gd_x2 = graphic_info[gfx_pressed].src_x;
9962     gd_y2 = graphic_info[gfx_pressed].src_y;
9963
9964     gi = CreateGadget(GDI_CUSTOM_ID, id,
9965                       GDI_CUSTOM_TYPE_ID, i,
9966                       GDI_IMAGE_ID, gfx_unpressed,
9967                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9968                       GDI_X, x,
9969                       GDI_Y, y,
9970                       GDI_WIDTH, width,
9971                       GDI_HEIGHT, height,
9972                       GDI_TYPE, scrollbar_info[i].type,
9973                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9974                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9975                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9976                       GDI_WHEEL_AREA_X, SX,
9977                       GDI_WHEEL_AREA_Y, SY,
9978                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9979                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9980                       GDI_STATE, GD_BUTTON_UNPRESSED,
9981                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9982                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9983                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9984                       GDI_DIRECT_DRAW, FALSE,
9985                       GDI_EVENT_MASK, event_mask,
9986                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9987                       GDI_END);
9988
9989     if (gi == NULL)
9990       Fail("cannot create gadget");
9991
9992     screen_gadget[id] = gi;
9993   }
9994 }
9995
9996 static void CreateScreenTextInputGadgets(void)
9997 {
9998   int i;
9999
10000   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
10001   {
10002     int graphic = textinput_info[i].graphic;
10003     struct GraphicInfo *gd = &graphic_info[graphic];
10004     int gd_x1 = gd->src_x;
10005     int gd_y1 = gd->src_y;
10006     int gd_x2 = gd->src_x + gd->active_xoffset;
10007     int gd_y2 = gd->src_y + gd->active_yoffset;
10008     struct GadgetInfo *gi;
10009     unsigned int event_mask;
10010     int id = textinput_info[i].gadget_id;
10011     int x = textinput_info[i].x;
10012     int y = textinput_info[i].y;
10013
10014     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
10015
10016     gi = CreateGadget(GDI_CUSTOM_ID, id,
10017                       GDI_CUSTOM_TYPE_ID, i,
10018                       GDI_INFO_TEXT, textinput_info[i].infotext,
10019                       GDI_X, SX + x,
10020                       GDI_Y, SY + y,
10021                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
10022                       GDI_TEXT_VALUE, textinput_info[i].value,
10023                       GDI_TEXT_SIZE, textinput_info[i].size,
10024                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
10025                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
10026                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
10027                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
10028                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
10029                       GDI_DESIGN_WIDTH, gd->width,
10030                       GDI_EVENT_MASK, event_mask,
10031                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10032                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
10033                       GDI_END);
10034
10035     if (gi == NULL)
10036       Fail("cannot create gadget");
10037
10038     screen_gadget[id] = gi;
10039   }
10040 }
10041
10042 void CreateScreenGadgets(void)
10043 {
10044   CreateScreenMenubuttons();
10045
10046   CreateScreenScrollbuttons();
10047   CreateScreenScrollbars();
10048
10049   CreateScreenTextInputGadgets();
10050 }
10051
10052 void FreeScreenGadgets(void)
10053 {
10054   int i;
10055
10056   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
10057     FreeGadget(screen_gadget[i]);
10058 }
10059
10060 static void RedrawScreenMenuGadgets(int screen_mask)
10061 {
10062   int i;
10063
10064   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10065     if (screen_mask & menubutton_info[i].screen_mask)
10066       RedrawGadget(screen_gadget[menubutton_info[i].gadget_id]);
10067 }
10068
10069 static void MapScreenMenuGadgets(int screen_mask)
10070 {
10071   int i;
10072
10073   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10074     if (screen_mask & menubutton_info[i].screen_mask)
10075       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10076 }
10077
10078 static void UnmapScreenMenuGadgets(int screen_mask)
10079 {
10080   int i;
10081
10082   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10083   {
10084     if (screen_mask & menubutton_info[i].screen_mask)
10085     {
10086       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10087
10088       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
10089         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
10090                        screen_gadget[menubutton_info[i].gadget_id]->y,
10091                        screen_gadget[menubutton_info[i].gadget_id]->width,
10092                        screen_gadget[menubutton_info[i].gadget_id]->height);
10093     }
10094   }
10095 }
10096
10097 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
10098 {
10099   if (map_gadgets)
10100     MapScreenMenuGadgets(screen_mask);
10101   else
10102     UnmapScreenMenuGadgets(screen_mask);
10103 }
10104
10105 static void MapScreenGadgets(int num_entries)
10106 {
10107   int i;
10108
10109   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
10110     return;
10111
10112   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10113     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10114
10115   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10116     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10117 }
10118
10119 static void UnmapScreenGadgets()
10120 {
10121   int i;
10122
10123   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10124     UnmapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10125
10126   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10127     UnmapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10128 }
10129
10130 static void MapScreenTreeGadgets(TreeInfo *ti)
10131 {
10132   MapScreenGadgets(numTreeInfoInGroup(ti));
10133 }
10134
10135 static void UnmapScreenTreeGadgets(void)
10136 {
10137   UnmapScreenGadgets();
10138 }
10139
10140 static void AdjustScoreInfoButtons_SelectScore(int x, int y1, int y2)
10141 {
10142   struct GadgetInfo *gi_1 = screen_gadget[SCREEN_CTRL_ID_PREV_SCORE];
10143   struct GadgetInfo *gi_2 = screen_gadget[SCREEN_CTRL_ID_NEXT_SCORE];
10144   struct MenuPosInfo *pos_1 = menubutton_info[SCREEN_CTRL_ID_PREV_SCORE].pos;
10145   struct MenuPosInfo *pos_2 = menubutton_info[SCREEN_CTRL_ID_NEXT_SCORE].pos;
10146
10147   if (pos_1->x == -1 && pos_1->y == -1)
10148     ModifyGadget(gi_1, GDI_X, x, GDI_Y, y1, GDI_END);
10149
10150   if (pos_2->x == -1 && pos_2->y == -1)
10151     ModifyGadget(gi_2, GDI_X, x, GDI_Y, y2, GDI_END);
10152 }
10153
10154 static void AdjustScoreInfoButtons_PlayTape(int x, int y, boolean visible)
10155 {
10156   struct GadgetInfo *gi = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE];
10157   struct MenuPosInfo *pos = menubutton_info[SCREEN_CTRL_ID_PLAY_TAPE].pos;
10158
10159   // set gadget position dynamically, pre-defined or off-screen
10160   int xx = (visible ? (pos->x == -1 ? x : pos->x) : POS_OFFSCREEN);
10161   int yy = (visible ? (pos->y == -1 ? y : pos->y) : POS_OFFSCREEN);
10162
10163   ModifyGadget(gi, GDI_X, xx, GDI_Y, yy, GDI_END);
10164   MapGadget(gi);        // (needed if deactivated on last score page)
10165 }
10166
10167 static void HandleScreenGadgets(struct GadgetInfo *gi)
10168 {
10169   int id = gi->custom_id;
10170   int button = gi->event.button;
10171   int step = (button == MB_LEFTBUTTON   ? 1 :
10172               button == MB_MIDDLEBUTTON ? 5 :
10173               button == MB_RIGHTBUTTON  ? 10 : 1);
10174
10175   switch (id)
10176   {
10177     case SCREEN_CTRL_ID_PREV_LEVEL:
10178       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
10179       break;
10180
10181     case SCREEN_CTRL_ID_NEXT_LEVEL:
10182       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
10183       break;
10184
10185     case SCREEN_CTRL_ID_PREV_LEVEL2:
10186       HandleHallOfFame_SelectLevel(step, -1);
10187       break;
10188
10189     case SCREEN_CTRL_ID_NEXT_LEVEL2:
10190       HandleHallOfFame_SelectLevel(step, +1);
10191       break;
10192
10193     case SCREEN_CTRL_ID_PREV_SCORE:
10194       HandleScoreInfo_SelectScore(step, -1);
10195       break;
10196
10197     case SCREEN_CTRL_ID_NEXT_SCORE:
10198       HandleScoreInfo_SelectScore(step, +1);
10199       break;
10200
10201     case SCREEN_CTRL_ID_PLAY_TAPE:
10202       HandleScoreInfo_PlayTape();
10203       break;
10204
10205     case SCREEN_CTRL_ID_FIRST_LEVEL:
10206       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
10207       break;
10208
10209     case SCREEN_CTRL_ID_LAST_LEVEL:
10210       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
10211       break;
10212
10213     case SCREEN_CTRL_ID_LEVEL_NUMBER:
10214       CloseDoor(DOOR_CLOSE_2);
10215       SetGameStatus(GAME_MODE_LEVELNR);
10216       DrawChooseLevelNr();
10217       break;
10218
10219     case SCREEN_CTRL_ID_PREV_PLAYER:
10220       HandleSetupScreen_Input_Player(step, -1);
10221       break;
10222
10223     case SCREEN_CTRL_ID_NEXT_PLAYER:
10224       HandleSetupScreen_Input_Player(step, +1);
10225       break;
10226
10227     case SCREEN_CTRL_ID_INSERT_SOLUTION:
10228       InsertSolutionTape();
10229       break;
10230
10231     case SCREEN_CTRL_ID_PLAY_SOLUTION:
10232       PlaySolutionTape();
10233       break;
10234
10235     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
10236       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
10237       DrawMainMenu();
10238       break;
10239
10240     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
10241     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
10242     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
10243     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
10244       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
10245       break;
10246
10247     case SCREEN_CTRL_ID_SCROLL_UP:
10248       if (game_status == GAME_MODE_NAMES)
10249         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10250       else if (game_status == GAME_MODE_LEVELS)
10251         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10252       else if (game_status == GAME_MODE_LEVELNR)
10253         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10254       else if (game_status == GAME_MODE_SETUP)
10255         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10256       else if (game_status == GAME_MODE_INFO)
10257         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10258       else if (game_status == GAME_MODE_SCORES)
10259         HandleHallOfFame(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10260       break;
10261
10262     case SCREEN_CTRL_ID_SCROLL_DOWN:
10263       if (game_status == GAME_MODE_NAMES)
10264         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10265       else if (game_status == GAME_MODE_LEVELS)
10266         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10267       else if (game_status == GAME_MODE_LEVELNR)
10268         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10269       else if (game_status == GAME_MODE_SETUP)
10270         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10271       else if (game_status == GAME_MODE_INFO)
10272         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10273       else if (game_status == GAME_MODE_SCORES)
10274         HandleHallOfFame(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10275       break;
10276
10277     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
10278       if (game_status == GAME_MODE_NAMES)
10279         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10280       else if (game_status == GAME_MODE_LEVELS)
10281         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10282       else if (game_status == GAME_MODE_LEVELNR)
10283         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10284       else if (game_status == GAME_MODE_SETUP)
10285         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10286       else if (game_status == GAME_MODE_INFO)
10287         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10288       else if (game_status == GAME_MODE_SCORES)
10289         HandleHallOfFame(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10290       break;
10291
10292     case SCREEN_CTRL_ID_NETWORK_SERVER:
10293     {
10294       if (!strEqual(gi->textinput.value, ""))
10295       {
10296         setString(&setup.network_server_hostname, gi->textinput.value);
10297
10298         network.server_host = setup.network_server_hostname;
10299       }
10300       else
10301       {
10302         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
10303
10304         network.server_host = NULL;
10305       }
10306
10307       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
10308         network.server_host = NULL;
10309
10310       execSetupGame_setNetworkServerText();
10311
10312       DrawSetupScreen();
10313
10314       break;
10315     }
10316
10317     default:
10318       break;
10319   }
10320 }
10321
10322 void HandleScreenGadgetKeys(Key key)
10323 {
10324   if (key == setup.shortcut.tape_play)
10325     HandleScreenGadgets(screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]);
10326 }
10327
10328 void DumpScreenIdentifiers(void)
10329 {
10330   int i;
10331
10332   Print("Active screen elements on current screen:\n");
10333
10334   for (i = 0; main_controls[i].nr != -1; i++)
10335   {
10336     struct MainControlInfo *mci = &main_controls[i];
10337
10338     if (mci->button_graphic != -1)
10339     {
10340       char *token = getTokenFromImageID(mci->button_graphic);
10341
10342       Print("- '%s'\n", token);
10343     }
10344   }
10345
10346   Print("Done.\n");
10347 }
10348
10349 boolean DoScreenAction(int image_id)
10350 {
10351   int i;
10352
10353   if (game_status != GAME_MODE_MAIN)
10354     return FALSE;
10355
10356   for (i = 0; main_controls[i].nr != -1; i++)
10357   {
10358     struct MainControlInfo *mci = &main_controls[i];
10359     struct MenuPosInfo *pos = mci->pos_button;
10360
10361     if (mci->button_graphic == image_id)
10362     {
10363       int x = mSX + pos->x;
10364       int y = mSY + pos->y;
10365
10366       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
10367
10368       return TRUE;
10369     }
10370   }
10371
10372   return FALSE;
10373 }
10374
10375 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
10376 {
10377   // get tree info node of newly added level or artwork set
10378   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
10379   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
10380                                                       tree_subdir_new);
10381   if (tree_node_new == NULL)    // should not happen
10382     return;
10383
10384   // if request dialog is active, do nothing
10385   if (game.request_active)
10386     return;
10387
10388   if (game_status == GAME_MODE_MAIN &&
10389       tree_type == TREE_TYPE_LEVEL_DIR)
10390   {
10391     // when adding new level set in main menu, select it as current level set
10392
10393     // change current level set to newly added level set from zip file
10394     leveldir_current = tree_node_new;
10395
10396     // change current level number to first level of newly added level set
10397     level_nr = leveldir_current->first_level;
10398
10399     // redraw screen to reflect changed level set
10400     DrawMainMenu();
10401
10402     // save this level set and level number as last selected level set
10403     SaveLevelSetup_LastSeries();
10404     SaveLevelSetup_SeriesInfo();
10405   }
10406   else if (game_status == GAME_MODE_LEVELS &&
10407            tree_type == TREE_TYPE_LEVEL_DIR)
10408   {
10409     // when adding new level set in level set menu, set cursor and update screen
10410
10411     leveldir_current = tree_node_new;
10412
10413     DrawChooseTree(&leveldir_current);
10414   }
10415   else if (game_status == GAME_MODE_SETUP)
10416   {
10417     // when adding new artwork set in setup menu, set cursor and update screen
10418
10419     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
10420         tree_type == TREE_TYPE_GRAPHICS_DIR)
10421     {
10422       artwork.gfx_current = tree_node_new;
10423
10424       DrawChooseTree(&artwork.gfx_current);
10425     }
10426     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
10427              tree_type == TREE_TYPE_SOUNDS_DIR)
10428     {
10429       artwork.snd_current = tree_node_new;
10430
10431       DrawChooseTree(&artwork.snd_current);
10432     }
10433     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
10434              tree_type == TREE_TYPE_MUSIC_DIR)
10435     {
10436       artwork.mus_current = tree_node_new;
10437
10438       DrawChooseTree(&artwork.mus_current);
10439     }
10440   }
10441 }
10442
10443 static int UploadTapes(void)
10444 {
10445   SetGameStatus(GAME_MODE_LOADING);
10446
10447   FadeSetEnterScreen();
10448   FadeOut(REDRAW_ALL);
10449
10450   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
10451
10452   FadeIn(REDRAW_ALL);
10453
10454   DrawInitTextHead("Uploading tapes");
10455
10456   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
10457   global.autoplay_leveldir = "ALL";
10458   global.autoplay_all = TRUE;
10459
10460   int num_tapes_uploaded = AutoPlayTapes();
10461
10462   global.autoplay_mode = AUTOPLAY_MODE_NONE;
10463   global.autoplay_leveldir = NULL;
10464   global.autoplay_all = FALSE;
10465
10466   SetGameStatus(GAME_MODE_MAIN);
10467
10468   DrawMainMenu();
10469
10470   return num_tapes_uploaded;
10471 }
10472
10473 static boolean OfferUploadTapes(void)
10474 {
10475   if (!Request(setup.has_remaining_tapes ?
10476                "Upload missing tapes to the high score server now?" :
10477                "Upload all your tapes to the high score server now?", REQ_ASK))
10478     return FALSE;
10479
10480   int num_tapes_uploaded = UploadTapes();
10481   char message[100];
10482
10483   if (num_tapes_uploaded < 0)
10484   {
10485     num_tapes_uploaded = -num_tapes_uploaded - 1;
10486
10487     if (num_tapes_uploaded == 0)
10488       sprintf(message, "Upload failed! No tapes uploaded!");
10489     else if (num_tapes_uploaded == 1)
10490       sprintf(message, "Upload failed! Only 1 tape uploaded!");
10491     else
10492       sprintf(message, "Upload failed! Only %d tapes uploaded!",
10493               num_tapes_uploaded);
10494
10495     Request(message, REQ_CONFIRM);
10496
10497     // if uploading tapes failed, add tape upload entry to setup menu
10498     setup.provide_uploading_tapes = TRUE;
10499     setup.has_remaining_tapes = TRUE;
10500
10501     SaveSetup_ServerSetup();
10502
10503     return FALSE;
10504   }
10505
10506   if (num_tapes_uploaded == 0)
10507     sprintf(message, "No tapes uploaded!");
10508   else if (num_tapes_uploaded == 1)
10509     sprintf(message, "1 tape uploaded!");
10510   else
10511     sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
10512
10513   Request(message, REQ_CONFIRM);
10514
10515   if (num_tapes_uploaded > 0)
10516     Request("New scores will be visible after a few minutes!", REQ_CONFIRM);
10517
10518   // after all tapes have been uploaded, remove entry from setup menu
10519   setup.provide_uploading_tapes = FALSE;
10520   setup.has_remaining_tapes = FALSE;
10521
10522   SaveSetup_ServerSetup();
10523
10524   return TRUE;
10525 }
10526
10527 static void CheckUploadTapes(void)
10528 {
10529   if (!setup.ask_for_uploading_tapes)
10530     return;
10531
10532   // after asking for uploading tapes, do not ask again
10533   setup.ask_for_uploading_tapes = FALSE;
10534   setup.ask_for_remaining_tapes = FALSE;
10535
10536   if (directoryExists(getTapeDir(NULL)))
10537   {
10538     boolean tapes_uploaded = OfferUploadTapes();
10539
10540     if (!tapes_uploaded)
10541     {
10542       Request(setup.has_remaining_tapes ?
10543               "You can upload missing tapes from the setup menu later!" :
10544               "You can upload your tapes from the setup menu later!",
10545               REQ_CONFIRM);
10546     }
10547   }
10548   else
10549   {
10550     // if tapes directory does not exist yet, never offer uploading all tapes
10551     setup.provide_uploading_tapes = FALSE;
10552   }
10553
10554   SaveSetup_ServerSetup();
10555 }
10556
10557 static void UpgradePlayerUUID(void)
10558 {
10559   ApiResetUUIDAsThread(getUUID());
10560 }
10561
10562 static void CheckUpgradePlayerUUID(void)
10563 {
10564   if (setup.player_version > 1)
10565     return;
10566
10567   UpgradePlayerUUID();
10568 }
10569
10570 void CheckApiServerTasks(void)
10571 {
10572   // check if the player's UUID has to be upgraded
10573   CheckUpgradePlayerUUID();
10574
10575   // check if there are any tapes to be uploaded
10576   CheckUploadTapes();
10577 }