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