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