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
  26
  27 #define DEBUG_JOYSTICKS         0
  28
  29
  30 // screens on the info screen
  31 #define INFO_MODE_MAIN                  0
  32 #define INFO_MODE_TITLE                 1
  33 #define INFO_MODE_ELEMENTS              2
  34 #define INFO_MODE_MUSIC                 3
  35 #define INFO_MODE_CREDITS               4
  36 #define INFO_MODE_PROGRAM               5
  37 #define INFO_MODE_VERSION               6
  38 #define INFO_MODE_LEVELSET              7
  39
  40 #define MAX_INFO_MODES                  8
  41
  42 // screens on the setup screen
  43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
  44 // (should also match corresponding entries in src/conf_gfx.c)
  45 #define SETUP_MODE_MAIN                 0
  46 #define SETUP_MODE_GAME                 1
  47 #define SETUP_MODE_ENGINES              2
  48 #define SETUP_MODE_EDITOR               3
  49 #define SETUP_MODE_GRAPHICS             4
  50 #define SETUP_MODE_SOUND                5
  51 #define SETUP_MODE_ARTWORK              6
  52 #define SETUP_MODE_INPUT                7
  53 #define SETUP_MODE_TOUCH                8
  54 #define SETUP_MODE_SHORTCUTS            9
  55 #define SETUP_MODE_SHORTCUTS_1          10
  56 #define SETUP_MODE_SHORTCUTS_2          11
  57 #define SETUP_MODE_SHORTCUTS_3          12
  58 #define SETUP_MODE_SHORTCUTS_4          13
  59 #define SETUP_MODE_SHORTCUTS_5          14
  60
  61 // sub-screens on the setup screen (generic)
  62 #define SETUP_MODE_CHOOSE_ARTWORK       15
  63 #define SETUP_MODE_CHOOSE_OTHER         16
  64
  65 // sub-screens on the setup screen (specific)
  66 #define SETUP_MODE_CHOOSE_GAME_SPEED    17
  67 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  18
  68 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
  69 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
  70 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
  71 #define SETUP_MODE_CHOOSE_RENDERING     22
  72 #define SETUP_MODE_CHOOSE_VSYNC         23
  73 #define SETUP_MODE_CHOOSE_GRAPHICS      24
  74 #define SETUP_MODE_CHOOSE_SOUNDS        25
  75 #define SETUP_MODE_CHOOSE_MUSIC         26
  76 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
  77 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  28
  78 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  29
  79 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
  80 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
  81 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
  82 #define SETUP_MODE_CHOOSE_TRANSPARENCY  33
  83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  34
  84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  35
  85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  36
  86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  37
  87 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  38
  88
  89 #define MAX_SETUP_MODES                 39
  90
  91 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  92
  93 // setup screen titles
  94 #define STR_SETUP_MAIN                  "Setup"
  95 #define STR_SETUP_GAME                  "Game & Menu"
  96 #define STR_SETUP_ENGINES               "Game Engines"
  97 #define STR_SETUP_EDITOR                "Editor"
  98 #define STR_SETUP_GRAPHICS              "Graphics"
  99 #define STR_SETUP_SOUND                 "Sound & Music"
 100 #define STR_SETUP_ARTWORK               "Custom Artwork"
 101 #define STR_SETUP_INPUT                 "Input Devices"
 102 #define STR_SETUP_TOUCH                 "Touch Controls"
 103 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 104 #define STR_SETUP_EXIT                  "Exit"
 105 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 106
 107 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 108 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 109 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 110 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 111 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 112 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 113 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 114 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 115 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 116 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 117 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 118 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 119 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 120 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 121 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 122 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 123 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 124 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 125
 126 // for input setup functions
 127 #define SETUPINPUT_SCREEN_POS_START     0
 128 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 129 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 130 #define SETUPINPUT_SCREEN_POS_END       13
 131
 132 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 133 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 134
 135 #define MAX_SETUP_TEXT_INPUT_LEN        28
 136
 137 // for various menu stuff
 138 #define MENU_SCREEN_START_XPOS          1
 139 #define MENU_SCREEN_START_YPOS          2
 140 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 141 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 142 #define MENU_TITLE1_YPOS                8
 143 #define MENU_TITLE2_YPOS                46
 144 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 145 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 146 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 147 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 148 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 149 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 150 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 151 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 152 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 153 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 154 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 155                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 156                                                          MENU_INFO_FONT_TITLE))
 157 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 158 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 159 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 160                                          MENU_SCREEN_INFO_YSTART2 -     \
 161                                          TILEY / 2)
 162 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 163 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 164                                          MENU_SCREEN_INFO_YSTEP)
 165 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 166   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 167    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 168    MAX_MENU_ENTRIES_ON_SCREEN)
 169 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 170                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 171                                             NUM_INFO_ELEMENTS_FROM_CONF)
 172 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 173 #define MAX_MENU_TEXT_LENGTH_BIG        13
 174 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 175
 176 // screen gadget identifiers
 177 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 178 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 179 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 180 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 181 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 182 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 183 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 184 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 185 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 186 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
 187 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
 188 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
 189 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
 190 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
 191 #define SCREEN_CTRL_ID_SCROLL_UP        14
 192 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
 193 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
 194 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
 195
 196 #define NUM_SCREEN_GADGETS              18
 197
 198 #define NUM_SCREEN_MENUBUTTONS          14
 199 #define NUM_SCREEN_SCROLLBUTTONS        2
 200 #define NUM_SCREEN_SCROLLBARS           1
 201 #define NUM_SCREEN_TEXTINPUT            1
 202
 203 #define SCREEN_MASK_MAIN                (1 << 0)
 204 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 205 #define SCREEN_MASK_INPUT               (1 << 2)
 206 #define SCREEN_MASK_TOUCH               (1 << 3)
 207 #define SCREEN_MASK_TOUCH2              (1 << 4)
 208
 209 // graphic position and size values for buttons and scrollbars
 210 #define SC_MENUBUTTON_XSIZE             TILEX
 211 #define SC_MENUBUTTON_YSIZE             TILEY
 212
 213 #define SC_SCROLLBUTTON_XSIZE           TILEX
 214 #define SC_SCROLLBUTTON_YSIZE           TILEY
 215
 216 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 217
 218 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 219 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 220                                          SC_SCROLLBUTTON_YSIZE)
 221
 222 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 223 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 224
 225 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 226 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 227                                          SC_SCROLLBUTTON_YSIZE)
 228
 229 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 230 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 231                                          SC_SCROLL_VERTICAL_YSIZE)
 232
 233 #define SC_BORDER_SIZE                  14
 234
 235
 236 // forward declarations of internal functions
 237 static void HandleScreenGadgets(struct GadgetInfo *);
 238 static void HandleSetupScreen_Generic(int, int, int, int, int);
 239 static void HandleSetupScreen_Input(int, int, int, int, int);
 240 static void CustomizeKeyboard(int);
 241 static void ConfigureJoystick(int);
 242 static void ConfigureVirtualButtons(void);
 243 static void execSetupGame(void);
 244 static void execSetupEngines(void);
 245 static void execSetupGraphics(void);
 246 static void execSetupSound(void);
 247 static void execSetupTouch(void);
 248 static void execSetupArtwork(void);
 249 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 250
 251 static void DrawChoosePlayerName(void);
 252 static void DrawChooseLevelSet(void);
 253 static void DrawChooseLevelNr(void);
 254 static void DrawInfoScreen(void);
 255 static void DrawSetupScreen(void);
 256 static void DrawTypeName(void);
 257
 258 static void DrawInfoScreen_NotAvailable(char *, char *);
 259 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 260 static void DrawInfoScreen_HelpText(int, int, int, int);
 261 static void HandleInfoScreen_Main(int, int, int, int, int);
 262 static void HandleInfoScreen_TitleScreen(int);
 263 static void HandleInfoScreen_Elements(int);
 264 static void HandleInfoScreen_Music(int);
 265 static void HandleInfoScreen_Credits(int);
 266 static void HandleInfoScreen_Program(int);
 267 static void HandleInfoScreen_Version(int);
 268
 269 static void ModifyGameSpeedIfNeeded(void);
 270 static void DisableVsyncIfNeeded(void);
 271
 272 static void MapScreenMenuGadgets(int);
 273 static void UnmapScreenMenuGadgets(int);
 274 static void MapScreenGadgets(int);
 275 static void MapScreenTreeGadgets(TreeInfo *);
 276
 277 static void UpdateScreenMenuGadgets(int, boolean);
 278
 279 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 280
 281 static int info_mode = INFO_MODE_MAIN;
 282 static int setup_mode = SETUP_MODE_MAIN;
 283
 284 static TreeInfo *window_sizes = NULL;
 285 static TreeInfo *window_size_current = NULL;
 286
 287 static TreeInfo *scaling_types = NULL;
 288 static TreeInfo *scaling_type_current = NULL;
 289
 290 static TreeInfo *rendering_modes = NULL;
 291 static TreeInfo *rendering_mode_current = NULL;
 292
 293 static TreeInfo *vsync_modes = NULL;
 294 static TreeInfo *vsync_mode_current = NULL;
 295
 296 static TreeInfo *scroll_delays = NULL;
 297 static TreeInfo *scroll_delay_current = NULL;
 298
 299 static TreeInfo *snapshot_modes = NULL;
 300 static TreeInfo *snapshot_mode_current = NULL;
 301
 302 static TreeInfo *game_speeds_normal = NULL;
 303 static TreeInfo *game_speeds_extended = NULL;
 304 static TreeInfo *game_speeds = NULL;
 305 static TreeInfo *game_speed_current = NULL;
 306
 307 static TreeInfo *volumes_simple = NULL;
 308 static TreeInfo *volume_simple_current = NULL;
 309
 310 static TreeInfo *volumes_loops = NULL;
 311 static TreeInfo *volume_loops_current = NULL;
 312
 313 static TreeInfo *volumes_music = NULL;
 314 static TreeInfo *volume_music_current = NULL;
 315
 316 static TreeInfo *touch_controls = NULL;
 317 static TreeInfo *touch_control_current = NULL;
 318
 319 static TreeInfo *move_distances = NULL;
 320 static TreeInfo *move_distance_current = NULL;
 321
 322 static TreeInfo *drop_distances = NULL;
 323 static TreeInfo *drop_distance_current = NULL;
 324
 325 static TreeInfo *transparencies = NULL;
 326 static TreeInfo *transparency_current = NULL;
 327
 328 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 329 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 330
 331 static TreeInfo *player_name = NULL;
 332 static TreeInfo *player_name_current = NULL;
 333
 334 static TreeInfo *level_number = NULL;
 335 static TreeInfo *level_number_current = NULL;
 336
 337 static struct ValueTextInfo window_sizes_list[] =
 338 {
 339   {     50,     "50 %"                          },
 340   {     80,     "80 %"                          },
 341   {     90,     "90 %"                          },
 342   {     100,    "100 % (Default)"               },
 343   {     110,    "110 %"                         },
 344   {     120,    "120 %"                         },
 345   {     130,    "130 %"                         },
 346   {     140,    "140 %"                         },
 347   {     150,    "150 %"                         },
 348   {     200,    "200 %"                         },
 349   {     250,    "250 %"                         },
 350   {     300,    "300 %"                         },
 351
 352   {     -1,     NULL                            },
 353 };
 354
 355 static struct StringValueTextInfo scaling_types_list[] =
 356 {
 357   {     SCALING_QUALITY_NEAREST, "Off"          },
 358   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 359   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 360
 361   {     NULL,                    NULL           },
 362 };
 363
 364 static struct StringValueTextInfo rendering_modes_list[] =
 365 {
 366   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 367   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 368 #if DEBUG
 369   // this mode may work under certain conditions, but does not work on Windows
 370   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 371 #endif
 372   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 373
 374   {     NULL,                            NULL                            },
 375 };
 376
 377 static struct StringValueTextInfo vsync_modes_list[] =
 378 {
 379   {     STR_VSYNC_MODE_OFF,             "Off"           },
 380   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 381   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 382
 383   {     NULL,                            NULL           },
 384 };
 385
 386 static struct ValueTextInfo game_speeds_list_normal[] =
 387 {
 388   {     30,     "Very Slow"                     },
 389   {     25,     "Slow"                          },
 390   {     20,     "Normal"                        },
 391   {     15,     "Fast"                          },
 392   {     10,     "Very Fast"                     },
 393
 394   {     -1,     NULL                            },
 395 };
 396
 397 static struct ValueTextInfo game_speeds_list_extended[] =
 398 {
 399   {     1000,   "1 fps (Extremely Slow)"        },
 400   {     500,    "2 fps"                         },
 401   {     200,    "5 fps"                         },
 402   {     100,    "10 fps"                        },
 403   {     50,     "20 fps"                        },
 404   {     29,     "35 fps (Original Supaplex)"    },
 405   {     25,     "40 fps"                        },
 406   {     20,     "50 fps (=== Normal Speed ===)" },
 407   {     16,     "60 fps (60 Hz VSync Speed)"    },
 408   {     14,     "70 fps (Maximum Supaplex)"     },
 409   {     10,     "100 fps"                       },
 410   {     5,      "200 fps"                       },
 411   {     2,      "500 fps"                       },
 412   {     1,      "1000 fps (Extremely Fast)"     },
 413
 414   {     -1,     NULL                            },
 415 };
 416
 417 static struct ValueTextInfo *game_speeds_list;
 418
 419 static struct ValueTextInfo scroll_delays_list[] =
 420 {
 421   {     0,      "0 Tiles (No Scroll Delay)"     },
 422   {     1,      "1 Tile"                        },
 423   {     2,      "2 Tiles"                       },
 424   {     3,      "3 Tiles (Default)"             },
 425   {     4,      "4 Tiles"                       },
 426   {     5,      "5 Tiles"                       },
 427   {     6,      "6 Tiles"                       },
 428   {     7,      "7 Tiles"                       },
 429   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 430
 431   {     -1,     NULL                            },
 432 };
 433
 434 static struct StringValueTextInfo snapshot_modes_list[] =
 435 {
 436   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 437   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 438   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 439   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 440
 441   {     NULL,                                   NULL            },
 442 };
 443
 444 static struct ValueTextInfo volumes_list[] =
 445 {
 446   {     0,      "0 %"                           },
 447   {     1,      "1 %"                           },
 448   {     2,      "2 %"                           },
 449   {     5,      "5 %"                           },
 450   {     10,     "10 %"                          },
 451   {     20,     "20 %"                          },
 452   {     30,     "30 %"                          },
 453   {     40,     "40 %"                          },
 454   {     50,     "50 %"                          },
 455   {     60,     "60 %"                          },
 456   {     70,     "70 %"                          },
 457   {     80,     "80 %"                          },
 458   {     90,     "90 %"                          },
 459   {     100,    "100 %"                         },
 460
 461   {     -1,     NULL                            },
 462 };
 463
 464 static struct StringValueTextInfo touch_controls_list[] =
 465 {
 466   {     TOUCH_CONTROL_OFF,              "Off"                   },
 467   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 468   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 469   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 470
 471   {     NULL,                           NULL                    },
 472 };
 473
 474 static struct ValueTextInfo distances_list[] =
 475 {
 476   {     1,      "1 %"                           },
 477   {     2,      "2 %"                           },
 478   {     3,      "3 %"                           },
 479   {     4,      "4 %"                           },
 480   {     5,      "5 %"                           },
 481   {     10,     "10 %"                          },
 482   {     15,     "15 %"                          },
 483   {     20,     "20 %"                          },
 484   {     25,     "25 %"                          },
 485
 486   {     -1,     NULL                            },
 487 };
 488
 489 static struct ValueTextInfo transparencies_list[] =
 490 {
 491   {     0,      "0 % (Opaque)"                  },
 492   {     10,     "10 %"                          },
 493   {     20,     "20 %"                          },
 494   {     30,     "30 %"                          },
 495   {     40,     "40 %"                          },
 496   {     50,     "50 %"                          },
 497   {     60,     "60 %"                          },
 498   {     70,     "70 %"                          },
 499   {     80,     "80 %"                          },
 500   {     90,     "90 %"                          },
 501   {     100,    "100 % (Invisible)"             },
 502
 503   {     -1,     NULL                            },
 504 };
 505
 506 static struct ValueTextInfo grid_sizes_list[] =
 507 {
 508   {     3,      "3"                             },
 509   {     4,      "4"                             },
 510   {     5,      "5"                             },
 511   {     6,      "6"                             },
 512   {     7,      "7"                             },
 513   {     8,      "8"                             },
 514   {     9,      "9"                             },
 515   {     10,     "10"                            },
 516   {     11,     "11"                            },
 517   {     12,     "12"                            },
 518   {     13,     "13"                            },
 519   {     14,     "14"                            },
 520   {     15,     "15"                            },
 521   {     16,     "16"                            },
 522   {     17,     "17"                            },
 523   {     18,     "18"                            },
 524   {     19,     "19"                            },
 525   {     20,     "20"                            },
 526   {     21,     "21"                            },
 527   {     22,     "22"                            },
 528   {     23,     "23"                            },
 529   {     24,     "24"                            },
 530   {     25,     "25"                            },
 531   {     26,     "26"                            },
 532   {     27,     "27"                            },
 533   {     28,     "28"                            },
 534   {     29,     "29"                            },
 535   {     30,     "30"                            },
 536   {     31,     "31"                            },
 537   {     32,     "32"                            },
 538
 539   {     -1,     NULL                            },
 540 };
 541
 542 static int align_xoffset = 0;
 543 static int align_yoffset = 0;
 544
 545 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 546                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 547                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 548                                  GAME_MODE_MAIN :                       \
 549                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 550                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 551
 552 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 553 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 554                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 555                                  INFO_MODE_MAIN)
 556
 557 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 558                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 559                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 560                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 561                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 562                                  SETUP_MODE_CHOOSE_OTHER)
 563
 564 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 565                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 566                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 567 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 568                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 569                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 570 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 571                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 572                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 573
 574 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 575                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 576                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 577 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 578                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 579                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 580 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 581                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 582                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 583
 584 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 585                                  DRAW_XOFFSET_INFO(info_mode) :         \
 586                                  (s) == GAME_MODE_SETUP ?               \
 587                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 588                                  menu.draw_xoffset[DRAW_MODE(s)])
 589 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 590                                  DRAW_YOFFSET_INFO(info_mode) :         \
 591                                  (s) == GAME_MODE_SETUP ?               \
 592                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 593                                  menu.draw_yoffset[DRAW_MODE(s)])
 594 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 595                                  EXTRA_SPACING_INFO(info_mode) :        \
 596                                  (s) == GAME_MODE_SETUP ?               \
 597                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 598                                  menu.extra_spacing[DRAW_MODE(s)])
 599
 600 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 601 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 602
 603 #define amSX                    (mSX + align_xoffset)
 604 #define amSY                    (mSY + align_yoffset)
 605
 606 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 607                                     menu.list_size[game_status] :       \
 608                                     MAX_MENU_ENTRIES_ON_SCREEN)
 609
 610 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 611                                          NUM_MENU_ENTRIES_ON_SCREEN)
 612
 613
 614 // title display and control definitions
 615
 616 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 617                                  2 * MAX_NUM_TITLE_MESSAGES)
 618
 619 #define NO_DIRECT_LEVEL_SELECT  (-1)
 620
 621
 622 static int num_title_screens = 0;
 623
 624 struct TitleControlInfo
 625 {
 626   boolean is_image;
 627   boolean initial;
 628   boolean first;
 629   int local_nr;
 630   int sort_priority;
 631 };
 632
 633 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 634
 635 // main menu display and control definitions
 636
 637 #define MAIN_CONTROL_NAME                       0
 638 #define MAIN_CONTROL_LEVELS                     1
 639 #define MAIN_CONTROL_SCORES                     2
 640 #define MAIN_CONTROL_EDITOR                     3
 641 #define MAIN_CONTROL_INFO                       4
 642 #define MAIN_CONTROL_GAME                       5
 643 #define MAIN_CONTROL_SETUP                      6
 644 #define MAIN_CONTROL_QUIT                       7
 645 #define MAIN_CONTROL_PREV_LEVEL                 8
 646 #define MAIN_CONTROL_NEXT_LEVEL                 9
 647 #define MAIN_CONTROL_FIRST_LEVEL                10
 648 #define MAIN_CONTROL_LAST_LEVEL                 11
 649 #define MAIN_CONTROL_LEVEL_NUMBER               12
 650 #define MAIN_CONTROL_LEVEL_INFO_1               13
 651 #define MAIN_CONTROL_LEVEL_INFO_2               14
 652 #define MAIN_CONTROL_LEVEL_NAME                 15
 653 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 654 #define MAIN_CONTROL_LEVEL_YEAR                 17
 655 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 656 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 657 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 658 #define MAIN_CONTROL_TITLE_1                    21
 659 #define MAIN_CONTROL_TITLE_2                    22
 660 #define MAIN_CONTROL_TITLE_3                    23
 661
 662 static char str_main_text_name[10];
 663 static char str_main_text_first_level[10];
 664 static char str_main_text_last_level[10];
 665 static char str_main_text_level_number[10];
 666
 667 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 668
 669 static char *main_text_name                     = str_main_text_name;
 670 static char *main_text_first_level              = str_main_text_first_level;
 671 static char *main_text_last_level               = str_main_text_last_level;
 672 static char *main_text_level_number             = str_main_text_level_number;
 673 static char *main_text_levels                   = "Levelset";
 674 static char *main_text_scores                   = "Hall Of Fame";
 675 static char *main_text_editor                   = "Level Creator";
 676 static char *main_text_info                     = "Info Screen";
 677 static char *main_text_game                     = "Start Game";
 678 static char *main_text_setup                    = "Setup";
 679 static char *main_text_quit                     = "Quit";
 680 static char *main_text_level_name               = level.name;
 681 static char *main_text_level_author             = level.author;
 682 static char *main_text_level_year               = NULL;
 683 static char *main_text_level_imported_from      = NULL;
 684 static char *main_text_level_imported_by        = NULL;
 685 static char *main_text_level_tested_by          = NULL;
 686 static char *main_text_title_1                  = NULL;
 687 static char *main_text_title_2                  = NULL;
 688 static char *main_text_title_3                  = NULL;
 689
 690 extern char debug_xsn_mode[];
 691
 692 struct MainControlInfo
 693 {
 694   int nr;
 695
 696   struct MenuPosInfo *pos_button;
 697   int button_graphic;
 698
 699   struct TextPosInfo *pos_text;
 700   char **text;
 701
 702   struct TextPosInfo *pos_input;
 703   char **input;
 704 };
 705
 706 static struct MainControlInfo main_controls[] =
 707 {
 708   {
 709     MAIN_CONTROL_NAME,
 710     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 711     &menu.main.text.name,               &main_text_name,
 712     &menu.main.input.name,              &setup.player_name,
 713   },
 714   {
 715     MAIN_CONTROL_LEVELS,
 716     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 717     &menu.main.text.levels,             &main_text_levels,
 718     NULL,                               NULL,
 719   },
 720   {
 721     MAIN_CONTROL_SCORES,
 722     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 723     &menu.main.text.scores,             &main_text_scores,
 724     NULL,                               NULL,
 725   },
 726   {
 727     MAIN_CONTROL_EDITOR,
 728     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 729     &menu.main.text.editor,             &main_text_editor,
 730     NULL,                               NULL,
 731   },
 732   {
 733     MAIN_CONTROL_INFO,
 734     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 735     &menu.main.text.info,               &main_text_info,
 736     NULL,                               NULL,
 737   },
 738   {
 739     MAIN_CONTROL_GAME,
 740     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 741     &menu.main.text.game,               &main_text_game,
 742     NULL,                               NULL,
 743   },
 744   {
 745     MAIN_CONTROL_SETUP,
 746     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 747     &menu.main.text.setup,              &main_text_setup,
 748     NULL,                               NULL,
 749   },
 750   {
 751     MAIN_CONTROL_QUIT,
 752     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 753     &menu.main.text.quit,               &main_text_quit,
 754     NULL,                               NULL,
 755   },
 756   {
 757     MAIN_CONTROL_PREV_LEVEL,
 758     NULL,                               -1,
 759     NULL,                               NULL,
 760     NULL,                               NULL,
 761   },
 762   {
 763     MAIN_CONTROL_NEXT_LEVEL,
 764     NULL,                               -1,
 765     NULL,                               NULL,
 766     NULL,                               NULL,
 767   },
 768   {
 769     MAIN_CONTROL_FIRST_LEVEL,
 770     NULL,                               -1,
 771     &menu.main.text.first_level,        &main_text_first_level,
 772     NULL,                               NULL,
 773   },
 774   {
 775     MAIN_CONTROL_LAST_LEVEL,
 776     NULL,                               -1,
 777     &menu.main.text.last_level,         &main_text_last_level,
 778     NULL,                               NULL,
 779   },
 780   {
 781     MAIN_CONTROL_LEVEL_NUMBER,
 782     NULL,                               -1,
 783     &menu.main.text.level_number,       &main_text_level_number,
 784     NULL,                               NULL,
 785   },
 786   {
 787     MAIN_CONTROL_LEVEL_INFO_1,
 788     NULL,                               -1,
 789     &menu.main.text.level_info_1,       NULL,
 790     NULL,                               NULL,
 791   },
 792   {
 793     MAIN_CONTROL_LEVEL_INFO_2,
 794     NULL,                               -1,
 795     &menu.main.text.level_info_2,       NULL,
 796     NULL,                               NULL,
 797   },
 798   {
 799     MAIN_CONTROL_LEVEL_NAME,
 800     NULL,                               -1,
 801     &menu.main.text.level_name,         &main_text_level_name,
 802     NULL,                               NULL,
 803   },
 804   {
 805     MAIN_CONTROL_LEVEL_AUTHOR,
 806     NULL,                               -1,
 807     &menu.main.text.level_author,       &main_text_level_author,
 808     NULL,                               NULL,
 809   },
 810   {
 811     MAIN_CONTROL_LEVEL_YEAR,
 812     NULL,                               -1,
 813     &menu.main.text.level_year,         &main_text_level_year,
 814     NULL,                               NULL,
 815   },
 816   {
 817     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 818     NULL,                               -1,
 819     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 820     NULL,                               NULL,
 821   },
 822   {
 823     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 824     NULL,                               -1,
 825     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 826     NULL,                               NULL,
 827   },
 828   {
 829     MAIN_CONTROL_LEVEL_TESTED_BY,
 830     NULL,                               -1,
 831     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 832     NULL,                               NULL,
 833   },
 834   {
 835     MAIN_CONTROL_TITLE_1,
 836     NULL,                               -1,
 837     &menu.main.text.title_1,            &main_text_title_1,
 838     NULL,                               NULL,
 839   },
 840   {
 841     MAIN_CONTROL_TITLE_2,
 842     NULL,                               -1,
 843     &menu.main.text.title_2,            &main_text_title_2,
 844     NULL,                               NULL,
 845   },
 846   {
 847     MAIN_CONTROL_TITLE_3,
 848     NULL,                               -1,
 849     &menu.main.text.title_3,            &main_text_title_3,
 850     NULL,                               NULL,
 851   },
 852
 853   {
 854     -1,
 855     NULL,                               -1,
 856     NULL,                               NULL,
 857     NULL,                               NULL,
 858   }
 859 };
 860
 861
 862 static int getTitleScreenGraphic(int nr, boolean initial)
 863 {
 864   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 865 }
 866
 867 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 868 {
 869   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 870 }
 871
 872 #if 0
 873 static int getTitleScreenGameMode(boolean initial)
 874 {
 875   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 876 }
 877 #endif
 878
 879 static int getTitleMessageGameMode(boolean initial)
 880 {
 881   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 882 }
 883
 884 static int getTitleAnimMode(struct TitleControlInfo *tci)
 885 {
 886   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 887
 888   return base + tci->local_nr;
 889 }
 890
 891 #if 0
 892 static int getTitleScreenBackground(boolean initial)
 893 {
 894   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 895 }
 896 #endif
 897
 898 #if 0
 899 static int getTitleMessageBackground(int nr, boolean initial)
 900 {
 901   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 902 }
 903 #endif
 904
 905 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 906 {
 907   int base = (is_image ?
 908               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 909                          IMG_BACKGROUND_TITLESCREEN_1) :
 910               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 911                          IMG_BACKGROUND_TITLEMESSAGE_1));
 912   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 913                                   IMG_BACKGROUND_TITLE);
 914   int graphic_local = base + nr;
 915
 916   if (graphic_info[graphic_local].bitmap != NULL)
 917     return graphic_local;
 918
 919   if (graphic_info[graphic_global].bitmap != NULL)
 920     return graphic_global;
 921
 922   return IMG_UNDEFINED;
 923 }
 924
 925 static int getTitleSound(struct TitleControlInfo *tci)
 926 {
 927   boolean is_image = tci->is_image;
 928   int initial = tci->initial;
 929   int nr = tci->local_nr;
 930   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 931   int base = (is_image ?
 932               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 933                          SND_BACKGROUND_TITLESCREEN_1) :
 934               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 935                          SND_BACKGROUND_TITLEMESSAGE_1));
 936   int sound_global = menu.sound[mode];
 937   int sound_local = base + nr;
 938
 939 #if 0
 940   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
 941         nr, initial, is_image,
 942         sound_global, getSoundListEntry(sound_global)->filename,
 943         sound_local, getSoundListEntry(sound_local)->filename);
 944 #endif
 945
 946   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 947     return sound_local;
 948
 949   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 950     return sound_global;
 951
 952   return SND_UNDEFINED;
 953 }
 954
 955 static int getTitleMusic(struct TitleControlInfo *tci)
 956 {
 957   boolean is_image = tci->is_image;
 958   int initial = tci->initial;
 959   int nr = tci->local_nr;
 960   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 961   int base = (is_image ?
 962               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 963                          MUS_BACKGROUND_TITLESCREEN_1) :
 964               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 965                          MUS_BACKGROUND_TITLEMESSAGE_1));
 966   int music_global = menu.music[mode];
 967   int music_local = base + nr;
 968
 969 #if 0
 970   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
 971         nr, initial, is_image,
 972         music_global, getMusicListEntry(music_global)->filename,
 973         music_local, getMusicListEntry(music_local)->filename);
 974 #endif
 975
 976   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 977     return music_local;
 978
 979   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 980     return music_global;
 981
 982   return MUS_UNDEFINED;
 983 }
 984
 985 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 986 {
 987   boolean is_image = tci->is_image;
 988   boolean initial = tci->initial;
 989   boolean first = tci->first;
 990   int nr = tci->local_nr;
 991   struct TitleMessageInfo tmi;
 992   struct TitleFadingInfo ti;
 993
 994   tmi = (is_image ? (initial ? (first ?
 995                                 titlescreen_initial_first[nr] :
 996                                 titlescreen_initial[nr])
 997                              : (first ?
 998                                 titlescreen_first[nr] :
 999                                 titlescreen[nr]))
1000                   : (initial ? (first ?
1001                                 titlemessage_initial_first[nr] :
1002                                 titlemessage_initial[nr])
1003                              : (first ?
1004                                 titlemessage_first[nr] :
1005                                 titlemessage[nr])));
1006
1007   ti.fade_mode  = tmi.fade_mode;
1008   ti.fade_delay = tmi.fade_delay;
1009   ti.post_delay = tmi.post_delay;
1010   ti.auto_delay = tmi.auto_delay;
1011   ti.auto_delay_unit = tmi.auto_delay_unit;
1012
1013   return ti;
1014 }
1015
1016 static int compareTitleControlInfo(const void *object1, const void *object2)
1017 {
1018   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1019   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1020   int compare_result;
1021
1022   if (tci1->initial != tci2->initial)
1023     compare_result = (tci1->initial ? -1 : +1);
1024   else if (tci1->sort_priority != tci2->sort_priority)
1025     compare_result = tci1->sort_priority - tci2->sort_priority;
1026   else if (tci1->is_image != tci2->is_image)
1027     compare_result = (tci1->is_image ? -1 : +1);
1028   else
1029     compare_result = tci1->local_nr - tci2->local_nr;
1030
1031   return compare_result;
1032 }
1033
1034 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1035                                                     boolean initial,
1036                                                     int nr, int sort_priority)
1037 {
1038   title_controls[num_title_screens].is_image = is_image;
1039   title_controls[num_title_screens].initial = initial;
1040   title_controls[num_title_screens].local_nr = nr;
1041   title_controls[num_title_screens].sort_priority = sort_priority;
1042
1043   title_controls[num_title_screens].first = FALSE;      // will be set later
1044
1045   num_title_screens++;
1046 }
1047
1048 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1049 {
1050   int i;
1051
1052   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1053   {
1054     int graphic = getTitleScreenGraphic(i, initial);
1055     Bitmap *bitmap = graphic_info[graphic].bitmap;
1056     int sort_priority = graphic_info[graphic].sort_priority;
1057
1058     if (bitmap != NULL)
1059       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1060   }
1061
1062   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1063   {
1064     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1065     char *filename = getLevelSetTitleMessageFilename(i, initial);
1066     int sort_priority = tmi->sort_priority;
1067
1068     if (filename != NULL)
1069       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1070   }
1071 }
1072
1073 static void InitializeTitleControls(boolean show_title_initial)
1074 {
1075   num_title_screens = 0;
1076
1077   // 1st step: initialize title screens for game start (only when starting)
1078   if (show_title_initial)
1079     InitializeTitleControls_CheckTitleInfo(TRUE);
1080
1081   // 2nd step: initialize title screens for current level set
1082   InitializeTitleControls_CheckTitleInfo(FALSE);
1083
1084   // sort title screens according to sort_priority and title number
1085   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1086         compareTitleControlInfo);
1087
1088   // mark first title screen
1089   title_controls[0].first = TRUE;
1090 }
1091
1092 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1093 {
1094   return (pos != NULL && pos->x != -1 && pos->y != -1);
1095 }
1096
1097 static boolean visibleTextPos(struct TextPosInfo *pos)
1098 {
1099   return (pos != NULL && pos->x != -1 && pos->y != -1);
1100 }
1101
1102 static void InitializeMainControls(void)
1103 {
1104   boolean local_team_mode = (!network.enabled && setup.team_mode);
1105   int i;
1106
1107   // set main control text values to dynamically determined values
1108   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1109
1110   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1111                                          menu.main.text.first_level.size));
1112   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1113                                          menu.main.text.last_level.size));
1114   strcpy(main_text_level_number, int2str(level_nr,
1115                                          menu.main.text.level_number.size));
1116
1117   main_text_level_year          = leveldir_current->year;
1118   main_text_level_imported_from = leveldir_current->imported_from;
1119   main_text_level_imported_by   = leveldir_current->imported_by;
1120   main_text_level_tested_by     = leveldir_current->tested_by;
1121
1122   main_text_title_1 = getConfigProgramTitleString();
1123   main_text_title_2 = getConfigProgramCopyrightString();
1124   main_text_title_3 = getConfigProgramCompanyString();
1125
1126   // set main control screen positions to dynamically determined values
1127   for (i = 0; main_controls[i].nr != -1; i++)
1128   {
1129     struct MainControlInfo *mci = &main_controls[i];
1130     int nr                         = mci->nr;
1131     struct MenuPosInfo *pos_button = mci->pos_button;
1132     struct TextPosInfo *pos_text   = mci->pos_text;
1133     struct TextPosInfo *pos_input  = mci->pos_input;
1134     char *text                     = (mci->text  ? *mci->text  : NULL);
1135     char *input                    = (mci->input ? *mci->input : NULL);
1136     int button_graphic             = mci->button_graphic;
1137     int font_text                  = (pos_text  ? pos_text->font  : -1);
1138     int font_input                 = (pos_input ? pos_input->font : -1);
1139
1140     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1141     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1142     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1143     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1144     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1145     int input_chars = (input != NULL ? strlen(input) : 0);
1146
1147     int button_width =
1148       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1149     int button_height =
1150       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1151     int text_width   = font_text_width * text_chars;
1152     int text_height  = font_text_height;
1153     int input_width  = font_input_width * input_chars;
1154     int input_height = font_input_height;
1155
1156     if (nr == MAIN_CONTROL_NAME)
1157     {
1158       menu.main.input.name.width  = input_width;
1159       menu.main.input.name.height = input_height;
1160     }
1161
1162     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1163     {
1164       pos_button->width  = button_width;
1165       pos_button->height = button_height;
1166     }
1167
1168     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1169     {
1170       // calculate text size -- needed for text alignment
1171       boolean calculate_text_size = (text != NULL);
1172
1173       if (pos_text->width == -1 || calculate_text_size)
1174         pos_text->width = text_width;
1175       if (pos_text->height == -1 || calculate_text_size)
1176         pos_text->height = text_height;
1177
1178       if (visibleMenuPos(pos_button))
1179       {
1180         if (pos_text->x == -1)
1181           pos_text->x = pos_button->x + pos_button->width;
1182         if (pos_text->y == -1)
1183           pos_text->y =
1184             pos_button->y + (pos_button->height - pos_text->height) / 2;
1185       }
1186     }
1187
1188     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1189     {
1190       if (visibleTextPos(pos_text))
1191       {
1192         if (pos_input->x == -1)
1193           pos_input->x = pos_text->x + pos_text->width;
1194         if (pos_input->y == -1)
1195           pos_input->y = pos_text->y;
1196       }
1197
1198       if (pos_input->width == -1)
1199         pos_input->width = input_width;
1200       if (pos_input->height == -1)
1201         pos_input->height = input_height;
1202     }
1203   }
1204 }
1205
1206 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1207                                        int graphic, boolean pressed)
1208 {
1209   struct GraphicInfo *g = &graphic_info[graphic];
1210   Bitmap *src_bitmap;
1211   int src_x, src_y;
1212   int xoffset = (pressed ? g->pressed_xoffset : 0);
1213   int yoffset = (pressed ? g->pressed_yoffset : 0);
1214
1215   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1216
1217   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1218                    g->width, g->height, dst_x, dst_y);
1219 }
1220
1221 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1222                                        boolean active_input,
1223                                        boolean pressed_button)
1224 {
1225   int i;
1226
1227   for (i = 0; main_controls[i].nr != -1; i++)
1228   {
1229     struct MainControlInfo *mci = &main_controls[i];
1230
1231     if (mci->nr == nr || nr == -1)
1232     {
1233       struct MenuPosInfo *pos_button = mci->pos_button;
1234       struct TextPosInfo *pos_text   = mci->pos_text;
1235       struct TextPosInfo *pos_input  = mci->pos_input;
1236       char *text                     = (mci->text  ? *mci->text  : NULL);
1237       char *input                    = (mci->input ? *mci->input : NULL);
1238       int button_graphic             = mci->button_graphic;
1239       int font_text                  = (pos_text  ? pos_text->font  : -1);
1240       int font_input                 = (pos_input ? pos_input->font : -1);
1241
1242       if (active_text)
1243       {
1244         button_graphic = BUTTON_ACTIVE(button_graphic);
1245         font_text = FONT_ACTIVE(font_text);
1246       }
1247
1248       if (active_input)
1249       {
1250         font_input = FONT_ACTIVE(font_input);
1251       }
1252
1253       if (visibleMenuPos(pos_button))
1254       {
1255         struct MenuPosInfo *pos = pos_button;
1256         int x = mSX + pos->x;
1257         int y = mSY + pos->y;
1258
1259         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1260         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1261       }
1262
1263       if (visibleTextPos(pos_text) && text != NULL)
1264       {
1265         struct TextPosInfo *pos = pos_text;
1266         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1267         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1268
1269 #if 1
1270         // (check why/if this is needed)
1271         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1272 #endif
1273         DrawText(x, y, text, font_text);
1274       }
1275
1276       if (visibleTextPos(pos_input) && input != NULL)
1277       {
1278         struct TextPosInfo *pos = pos_input;
1279         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1280         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1281
1282 #if 1
1283         // (check why/if this is needed)
1284         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1285 #endif
1286         DrawText(x, y, input, font_input);
1287       }
1288     }
1289   }
1290 }
1291
1292 static void DrawCursorAndText_Main(int nr, boolean active_text,
1293                                    boolean pressed_button)
1294 {
1295   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1296 }
1297
1298 #if 0
1299 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1300                                          boolean pressed_button)
1301 {
1302   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1303 }
1304 #endif
1305
1306 static struct MainControlInfo *getMainControlInfo(int nr)
1307 {
1308   int i;
1309
1310   for (i = 0; main_controls[i].nr != -1; i++)
1311     if (main_controls[i].nr == nr)
1312       return &main_controls[i];
1313
1314   return NULL;
1315 }
1316
1317 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1318 {
1319   if (rect == NULL)
1320     return FALSE;
1321
1322   int rect_x = ALIGNED_TEXT_XPOS(rect);
1323   int rect_y = ALIGNED_TEXT_YPOS(rect);
1324
1325   return (x >= rect_x && x < rect_x + rect->width &&
1326           y >= rect_y && y < rect_y + rect->height);
1327 }
1328
1329 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1330 {
1331   if (rect == NULL)
1332     return FALSE;
1333
1334   int rect_x = ALIGNED_TEXT_XPOS(rect);
1335   int rect_y = ALIGNED_TEXT_YPOS(rect);
1336
1337 #if 0
1338   Debug("screens:insideTextPosRect",
1339         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1340         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1341         (x >= rect_x && x < rect_x + rect->width &&
1342          y >= rect_y && y < rect_y + rect->height));
1343 #endif
1344
1345   return (x >= rect_x && x < rect_x + rect->width &&
1346           y >= rect_y && y < rect_y + rect->height);
1347 }
1348
1349 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1350 {
1351   int rect_width  = preview->xsize * preview->tile_size;
1352   int rect_height = preview->ysize * preview->tile_size;
1353   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1354   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1355
1356   return (x >= rect_x && x < rect_x + rect_width &&
1357           y >= rect_y && y < rect_y + rect_height);
1358 }
1359
1360 static void AdjustScrollbar(int id, int items_max, int items_visible,
1361                             int item_position)
1362 {
1363   struct GadgetInfo *gi = screen_gadget[id];
1364
1365   if (item_position > items_max - items_visible)
1366     item_position = items_max - items_visible;
1367
1368   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1369                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1370                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1371 }
1372
1373 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1374 {
1375   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1376                   first_entry);
1377 }
1378
1379 static void clearMenuListArea(void)
1380 {
1381   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1382
1383   // correct scrollbar position if placed outside menu (playfield) area
1384   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1385     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1386
1387   // clear menu list area, but not title or scrollbar
1388   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1389                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1390 }
1391
1392 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1393 {
1394   static int cursor_array[MAX_LEV_FIELDY];
1395   int x = amSX + TILEX * xpos;
1396   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1397
1398   if (xpos == 0)
1399   {
1400     if (graphic != -1)
1401       cursor_array[ypos] = graphic;
1402     else
1403       graphic = cursor_array[ypos];
1404   }
1405
1406   if (active)
1407     graphic = BUTTON_ACTIVE(graphic);
1408
1409   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1410   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1411 }
1412
1413 static void initCursor(int ypos, int graphic)
1414 {
1415   drawCursorExt(0, ypos, FALSE, graphic);
1416 }
1417
1418 static void drawCursor(int ypos, boolean active)
1419 {
1420   drawCursorExt(0, ypos, active, -1);
1421 }
1422
1423 static void drawCursorXY(int xpos, int ypos, int graphic)
1424 {
1425   drawCursorExt(xpos, ypos, FALSE, graphic);
1426 }
1427
1428 static void drawChooseTreeCursor(int ypos, boolean active)
1429 {
1430   drawCursorExt(0, ypos, active, -1);
1431 }
1432
1433 static void DrawHeadline(void)
1434 {
1435   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1436   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1437 }
1438
1439 static void DrawTitleScreenImage(int nr, boolean initial)
1440 {
1441   int graphic = getTitleScreenGraphic(nr, initial);
1442   Bitmap *bitmap = graphic_info[graphic].bitmap;
1443   int width  = graphic_info[graphic].width;
1444   int height = graphic_info[graphic].height;
1445   int src_x = graphic_info[graphic].src_x;
1446   int src_y = graphic_info[graphic].src_y;
1447   int dst_x, dst_y;
1448
1449   if (bitmap == NULL)
1450     return;
1451
1452   if (width > WIN_XSIZE)
1453   {
1454     // image width too large for window => center image horizontally
1455     src_x = (width - WIN_XSIZE) / 2;
1456     width = WIN_XSIZE;
1457   }
1458
1459   if (height > WIN_YSIZE)
1460   {
1461     // image height too large for window => center image vertically
1462     src_y = (height - WIN_YSIZE) / 2;
1463     height = WIN_YSIZE;
1464   }
1465
1466   // always display title screens centered
1467   dst_x = (WIN_XSIZE - width) / 2;
1468   dst_y = (WIN_YSIZE - height) / 2;
1469
1470   SetDrawBackgroundMask(REDRAW_ALL);
1471   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1472
1473   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1474
1475   if (DrawingOnBackground(dst_x, dst_y))
1476     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1477   else
1478     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1479
1480   redraw_mask = REDRAW_ALL;
1481 }
1482
1483 static void DrawTitleScreenMessage(int nr, boolean initial)
1484 {
1485   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1486   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1487
1488   if (filename == NULL)
1489     return;
1490
1491   // force TITLE font on title message screen
1492   SetFontStatus(getTitleMessageGameMode(initial));
1493
1494   // if chars *and* width set to "-1", automatically determine width
1495   if (tmi->chars == -1 && tmi->width == -1)
1496     tmi->width = viewport.window[game_status].width;
1497
1498   // if lines *and* height set to "-1", automatically determine height
1499   if (tmi->lines == -1 && tmi->height == -1)
1500     tmi->height = viewport.window[game_status].height;
1501
1502   // if chars set to "-1", automatically determine by text and font width
1503   if (tmi->chars == -1)
1504     tmi->chars = tmi->width / getFontWidth(tmi->font);
1505   else
1506     tmi->width = tmi->chars * getFontWidth(tmi->font);
1507
1508   // if lines set to "-1", automatically determine by text and font height
1509   if (tmi->lines == -1)
1510     tmi->lines = tmi->height / getFontHeight(tmi->font);
1511   else
1512     tmi->height = tmi->lines * getFontHeight(tmi->font);
1513
1514   // if x set to "-1", automatically determine by width and alignment
1515   if (tmi->x == -1)
1516     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1517
1518   // if y set to "-1", automatically determine by height and alignment
1519   if (tmi->y == -1)
1520     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1521
1522   SetDrawBackgroundMask(REDRAW_ALL);
1523   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1524
1525   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1526
1527   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1528                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1529                tmi->autowrap, tmi->centered, tmi->parse_comments);
1530
1531   ResetFontStatus();
1532 }
1533
1534 static void DrawTitleScreen(void)
1535 {
1536   KeyboardAutoRepeatOff();
1537
1538   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1539 }
1540
1541 static boolean CheckTitleScreen(boolean levelset_has_changed)
1542 {
1543   static boolean show_title_initial = TRUE;
1544   boolean show_titlescreen = FALSE;
1545
1546   // needed to be able to skip title screen, if no image or message defined
1547   InitializeTitleControls(show_title_initial);
1548
1549   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1550     show_titlescreen = TRUE;
1551
1552   // show initial title images and messages only once at program start
1553   show_title_initial = FALSE;
1554
1555   return (show_titlescreen && num_title_screens > 0);
1556 }
1557
1558 void DrawMainMenu(void)
1559 {
1560   static LevelDirTree *leveldir_last_valid = NULL;
1561   boolean levelset_has_changed = FALSE;
1562   int fade_mask = REDRAW_FIELD;
1563
1564   LimitScreenUpdates(FALSE);
1565
1566   FadeSetLeaveScreen();
1567
1568   // do not fade out here -- function may continue and fade on editor screen
1569
1570   UnmapAllGadgets();
1571   FadeMenuSoundsAndMusic();
1572
1573   ExpireSoundLoops(FALSE);
1574
1575   KeyboardAutoRepeatOn();
1576
1577   audio.sound_deactivated = FALSE;
1578
1579   GetPlayerConfig();
1580
1581   // needed if last screen was the playing screen, invoked from level editor
1582   if (level_editor_test_game)
1583   {
1584     CloseDoor(DOOR_CLOSE_ALL);
1585
1586     SetGameStatus(GAME_MODE_EDITOR);
1587
1588     DrawLevelEd();
1589
1590     return;
1591   }
1592
1593   // leveldir_current may be invalid (level group, parent link)
1594   if (!validLevelSeries(leveldir_current))
1595     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1596
1597   if (leveldir_current != leveldir_last_valid)
1598     levelset_has_changed = TRUE;
1599
1600   // store valid level series information
1601   leveldir_last_valid = leveldir_current;
1602
1603   init_last = init;                     // switch to new busy animation
1604
1605   // needed if last screen (level choice) changed graphics, sounds or music
1606   ReloadCustomArtwork(0);
1607
1608   if (CheckTitleScreen(levelset_has_changed))
1609   {
1610     SetGameStatus(GAME_MODE_TITLE);
1611
1612     DrawTitleScreen();
1613
1614     return;
1615   }
1616
1617   if (redraw_mask & REDRAW_ALL)
1618     fade_mask = REDRAW_ALL;
1619
1620   if (CheckFadeAll())
1621     fade_mask = REDRAW_ALL;
1622
1623   FadeOut(fade_mask);
1624
1625   // needed if different viewport properties defined for menues
1626   ChangeViewportPropertiesIfNeeded();
1627
1628   SetDrawtoField(DRAW_TO_BACKBUFFER);
1629
1630   // level_nr may have been set to value over handicap with level editor
1631   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1632     level_nr = leveldir_current->handicap_level;
1633
1634   LoadLevel(level_nr);
1635   LoadScore(level_nr);
1636
1637   SaveLevelSetup_SeriesInfo();
1638
1639   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1640   SetDrawDeactivationMask(REDRAW_NONE);
1641   SetDrawBackgroundMask(REDRAW_FIELD);
1642
1643   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1644
1645 #if 0
1646   if (fade_mask == REDRAW_ALL)
1647     RedrawGlobalBorder();
1648 #endif
1649
1650   ClearField();
1651
1652   InitializeMainControls();
1653
1654   DrawCursorAndText_Main(-1, FALSE, FALSE);
1655   DrawPreviewLevelInitial();
1656   DrawNetworkPlayers();
1657
1658   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1659
1660   TapeStop();
1661   if (TAPE_IS_EMPTY(tape))
1662     LoadTape(level_nr);
1663   DrawCompleteVideoDisplay();
1664
1665   PlayMenuSoundsAndMusic();
1666
1667   // create gadgets for main menu screen
1668   FreeScreenGadgets();
1669   CreateScreenGadgets();
1670
1671   // may be required if audio buttons shown on tape and changed in setup menu
1672   FreeGameButtons();
1673   CreateGameButtons();
1674
1675   // map gadgets for main menu screen
1676   MapTapeButtons();
1677   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1678   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1679
1680   // copy actual game door content to door double buffer for OpenDoor()
1681   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1682   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1683
1684   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1685
1686   DrawMaskedBorder(fade_mask);
1687
1688   FadeIn(fade_mask);
1689   FadeSetEnterMenu();
1690
1691   // update screen area with special editor door
1692   redraw_mask |= REDRAW_ALL;
1693   BackToFront();
1694
1695   SetMouseCursor(CURSOR_DEFAULT);
1696
1697   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1698 }
1699
1700 static void gotoTopLevelDir(void)
1701 {
1702   // move upwards until inside (but not above) top level directory
1703   while (leveldir_current->node_parent &&
1704          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1705   {
1706     // write a "path" into level tree for easy navigation to last level
1707     if (leveldir_current->node_parent->node_group->cl_first == -1)
1708     {
1709       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1710       int leveldir_pos = posTreeInfo(leveldir_current);
1711       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1712       int cl_first, cl_cursor;
1713
1714       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1715       cl_cursor = leveldir_pos - cl_first;
1716
1717       leveldir_current->node_parent->node_group->cl_first = cl_first;
1718       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1719     }
1720
1721     leveldir_current = leveldir_current->node_parent;
1722   }
1723 }
1724
1725 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1726 {
1727   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1728
1729   return (use_frame_counter ? video.frame_counter : Counter());
1730 }
1731
1732 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1733                                      struct TitleFadingInfo *fi)
1734 {
1735   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1736 }
1737
1738 static void ResetTitleAutoDelay(unsigned int *counter_var,
1739                                 struct TitleFadingInfo *fi)
1740 {
1741   *counter_var = getAutoDelayCounter(fi);
1742 }
1743
1744 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1745 {
1746   static unsigned int title_delay = 0;
1747   static int title_screen_nr = 0;
1748   static int last_sound = -1, last_music = -1;
1749   boolean return_to_main_menu = FALSE;
1750   struct TitleControlInfo *tci;
1751   int sound, music;
1752
1753   if (button == MB_MENU_INITIALIZE)
1754   {
1755     title_delay = 0;
1756     title_screen_nr = 0;
1757     tci = &title_controls[title_screen_nr];
1758
1759     SetAnimStatus(getTitleAnimMode(tci));
1760
1761     last_sound = SND_UNDEFINED;
1762     last_music = MUS_UNDEFINED;
1763
1764     if (num_title_screens != 0)
1765     {
1766       FadeSetEnterScreen();
1767
1768       // use individual title fading instead of global "enter screen" fading
1769       fading = getTitleFading(tci);
1770     }
1771
1772     if (game_status_last_screen == GAME_MODE_INFO)
1773     {
1774       if (num_title_screens == 0)
1775       {
1776         // switch game mode from title screen mode back to info screen mode
1777         SetGameStatus(GAME_MODE_INFO);
1778
1779         // store that last screen was info screen, not main menu screen
1780         game_status_last_screen = GAME_MODE_INFO;
1781
1782         DrawInfoScreen_NotAvailable("Title screen information:",
1783                                     "No title screen for this level set.");
1784         return;
1785       }
1786     }
1787
1788     FadeMenuSoundsAndMusic();
1789
1790     FadeOut(REDRAW_ALL);
1791
1792     // title screens may have different window size
1793     ChangeViewportPropertiesIfNeeded();
1794
1795     // only required to update logic for redrawing global border
1796     ClearField();
1797
1798     if (tci->is_image)
1799       DrawTitleScreenImage(tci->local_nr, tci->initial);
1800     else
1801       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1802
1803     sound = getTitleSound(tci);
1804     music = getTitleMusic(tci);
1805
1806     if (sound != last_sound)
1807       PlayMenuSoundExt(sound);
1808     if (music != last_music)
1809       PlayMenuMusicExt(music);
1810
1811     last_sound = sound;
1812     last_music = music;
1813
1814     SetMouseCursor(CURSOR_NONE);
1815
1816     FadeIn(REDRAW_ALL);
1817
1818     ResetTitleAutoDelay(&title_delay, &fading);
1819
1820     return;
1821   }
1822
1823   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1824     button = MB_MENU_CHOICE;
1825
1826   if (button == MB_MENU_LEAVE)
1827   {
1828     return_to_main_menu = TRUE;
1829   }
1830   else if (button == MB_MENU_CHOICE)
1831   {
1832     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1833     {
1834       SetGameStatus(GAME_MODE_INFO);
1835
1836       info_mode = INFO_MODE_MAIN;
1837
1838       DrawInfoScreen();
1839
1840       return;
1841     }
1842
1843     title_screen_nr++;
1844
1845     if (title_screen_nr < num_title_screens)
1846     {
1847       tci = &title_controls[title_screen_nr];
1848
1849       SetAnimStatus(getTitleAnimMode(tci));
1850
1851       sound = getTitleSound(tci);
1852       music = getTitleMusic(tci);
1853
1854       if (last_sound != SND_UNDEFINED && sound != last_sound)
1855         FadeSound(last_sound);
1856       if (last_music != MUS_UNDEFINED && music != last_music)
1857         FadeMusic();
1858
1859       fading = getTitleFading(tci);
1860
1861       FadeOut(REDRAW_ALL);
1862
1863       if (tci->is_image)
1864         DrawTitleScreenImage(tci->local_nr, tci->initial);
1865       else
1866         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1867
1868       sound = getTitleSound(tci);
1869       music = getTitleMusic(tci);
1870
1871       if (sound != last_sound)
1872         PlayMenuSoundExt(sound);
1873       if (music != last_music)
1874         PlayMenuMusicExt(music);
1875
1876       last_sound = sound;
1877       last_music = music;
1878
1879       FadeIn(REDRAW_ALL);
1880
1881       ResetTitleAutoDelay(&title_delay, &fading);
1882     }
1883     else
1884     {
1885       FadeMenuSoundsAndMusic();
1886
1887       return_to_main_menu = TRUE;
1888     }
1889   }
1890
1891   if (return_to_main_menu)
1892   {
1893     SetMouseCursor(CURSOR_DEFAULT);
1894
1895     // force full menu screen redraw after displaying title screens
1896     redraw_mask = REDRAW_ALL;
1897
1898     if (game_status_last_screen == GAME_MODE_INFO)
1899     {
1900       SetGameStatus(GAME_MODE_INFO);
1901
1902       info_mode = INFO_MODE_MAIN;
1903
1904       DrawInfoScreen();
1905     }
1906     else        // default: return to main menu
1907     {
1908       SetGameStatus(GAME_MODE_MAIN);
1909
1910       DrawMainMenu();
1911     }
1912   }
1913 }
1914
1915 static void HandleMainMenu_SelectLevel(int step, int direction,
1916                                        int selected_level_nr)
1917 {
1918   int old_level_nr = level_nr;
1919   int new_level_nr;
1920
1921   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1922     new_level_nr = selected_level_nr;
1923   else
1924     new_level_nr = old_level_nr + step * direction;
1925
1926   if (new_level_nr < leveldir_current->first_level)
1927     new_level_nr = leveldir_current->first_level;
1928   if (new_level_nr > leveldir_current->last_level)
1929     new_level_nr = leveldir_current->last_level;
1930
1931   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1932   {
1933     // skipping levels is only allowed when trying to skip single level
1934     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1935         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1936     {
1937       leveldir_current->handicap_level++;
1938       SaveLevelSetup_SeriesInfo();
1939     }
1940
1941     new_level_nr = leveldir_current->handicap_level;
1942   }
1943
1944   if (new_level_nr != old_level_nr)
1945   {
1946     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1947
1948     PlaySound(SND_MENU_ITEM_SELECTING);
1949
1950     level_nr = new_level_nr;
1951
1952     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1953              int2str(level_nr, menu.main.text.level_number.size),
1954              mci->pos_text->font);
1955
1956     LoadLevel(level_nr);
1957     DrawPreviewLevelInitial();
1958
1959     TapeErase();
1960     LoadTape(level_nr);
1961     DrawCompleteVideoDisplay();
1962
1963     SaveLevelSetup_SeriesInfo();
1964
1965     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1966
1967     // force redraw of playfield area (may be reset at this point)
1968     redraw_mask |= REDRAW_FIELD;
1969   }
1970 }
1971
1972 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1973 {
1974   static int choice = MAIN_CONTROL_GAME;
1975   static boolean button_pressed_last = FALSE;
1976   boolean button_pressed = FALSE;
1977   int pos = choice;
1978   int i = 0;    // needed to prevent compiler warning due to bad code below
1979
1980   if (button == MB_MENU_INITIALIZE)
1981   {
1982     DrawCursorAndText_Main(choice, TRUE, FALSE);
1983
1984     return;
1985   }
1986
1987   if (mx || my)         // mouse input
1988   {
1989     pos = -1;
1990
1991     for (i = 0; main_controls[i].nr != -1; i++)
1992     {
1993       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1994           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1995           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1996       {
1997         pos = main_controls[i].nr;
1998
1999         break;
2000       }
2001     }
2002
2003     // check if level preview was clicked
2004     if (insidePreviewRect(&preview, mx - SX, my - SY))
2005       pos = MAIN_CONTROL_GAME;
2006
2007     // handle pressed/unpressed state for active/inactive menu buttons
2008     // (if pos != -1, "i" contains index position corresponding to "pos")
2009     if (button &&
2010         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2011         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2012       button_pressed = TRUE;
2013
2014     if (button_pressed != button_pressed_last)
2015     {
2016       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2017
2018       if (button_pressed)
2019         PlaySound(SND_MENU_BUTTON_PRESSING);
2020       else
2021         PlaySound(SND_MENU_BUTTON_RELEASING);
2022     }
2023   }
2024   else if (dx || dy)    // keyboard input
2025   {
2026     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2027                    choice == MAIN_CONTROL_SETUP))
2028       button = MB_MENU_CHOICE;
2029     else if (dy)
2030       pos = choice + dy;
2031   }
2032
2033   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2034   {
2035     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2036   }
2037   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2038   {
2039     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2040   }
2041   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2042   {
2043     CloseDoor(DOOR_CLOSE_2);
2044
2045     SetGameStatus(GAME_MODE_LEVELNR);
2046
2047     DrawChooseLevelNr();
2048   }
2049   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2050   {
2051     if (button)
2052     {
2053       if (pos != choice)
2054       {
2055         PlaySound(SND_MENU_ITEM_ACTIVATING);
2056
2057         DrawCursorAndText_Main(choice, FALSE, FALSE);
2058         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2059
2060         choice = pos;
2061       }
2062       else if (dx != 0)
2063       {
2064         if (choice != MAIN_CONTROL_INFO &&
2065             choice != MAIN_CONTROL_SETUP)
2066           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2067       }
2068     }
2069     else
2070     {
2071       PlaySound(SND_MENU_ITEM_SELECTING);
2072
2073       if (pos == MAIN_CONTROL_NAME)
2074       {
2075         if ((mx || my) &&
2076             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2077         {
2078           // special case: menu text "name/team" clicked -- toggle team mode
2079           setup.team_mode = !setup.team_mode;
2080
2081           InitializeMainControls();
2082           DrawCursorAndText_Main(choice, TRUE, FALSE);
2083
2084           DrawPreviewPlayers();
2085         }
2086         else
2087         {
2088           if (0 && setup.multiple_users)        // (not used yet)
2089           {
2090             CloseDoor(DOOR_CLOSE_2);
2091
2092             SetGameStatus(GAME_MODE_NAMES);
2093
2094             DrawChoosePlayerName();
2095           }
2096           else
2097           {
2098             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2099
2100             DrawTypeName();
2101           }
2102         }
2103       }
2104       else if (pos == MAIN_CONTROL_LEVELS)
2105       {
2106         if (leveldir_first)
2107         {
2108           CloseDoor(DOOR_CLOSE_2);
2109
2110           SetGameStatus(GAME_MODE_LEVELS);
2111
2112           SaveLevelSetup_LastSeries();
2113           SaveLevelSetup_SeriesInfo();
2114
2115           if (setup.internal.choose_from_top_leveldir)
2116             gotoTopLevelDir();
2117
2118           DrawChooseLevelSet();
2119         }
2120       }
2121       else if (pos == MAIN_CONTROL_SCORES)
2122       {
2123         CloseDoor(DOOR_CLOSE_2);
2124
2125         SetGameStatus(GAME_MODE_SCORES);
2126
2127         DrawHallOfFame(level_nr, -1);
2128       }
2129       else if (pos == MAIN_CONTROL_EDITOR)
2130       {
2131         if (leveldir_current->readonly &&
2132             !strEqual(setup.player_name, "Artsoft"))
2133           Request("This level is read only!", REQ_CONFIRM);
2134
2135         CloseDoor(DOOR_CLOSE_2);
2136
2137         SetGameStatus(GAME_MODE_EDITOR);
2138
2139         FadeSetEnterScreen();
2140
2141         DrawLevelEd();
2142       }
2143       else if (pos == MAIN_CONTROL_INFO)
2144       {
2145         CloseDoor(DOOR_CLOSE_2);
2146
2147         SetGameStatus(GAME_MODE_INFO);
2148
2149         info_mode = INFO_MODE_MAIN;
2150
2151         DrawInfoScreen();
2152       }
2153       else if (pos == MAIN_CONTROL_GAME)
2154       {
2155         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2156       }
2157       else if (pos == MAIN_CONTROL_SETUP)
2158       {
2159         CloseDoor(DOOR_CLOSE_2);
2160
2161         SetGameStatus(GAME_MODE_SETUP);
2162
2163         setup_mode = SETUP_MODE_MAIN;
2164
2165         DrawSetupScreen();
2166       }
2167       else if (pos == MAIN_CONTROL_QUIT)
2168       {
2169         SaveLevelSetup_LastSeries();
2170         SaveLevelSetup_SeriesInfo();
2171
2172         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2173           SetGameStatus(GAME_MODE_QUIT);
2174       }
2175     }
2176   }
2177
2178   button_pressed_last = button_pressed;
2179 }
2180
2181
2182 // ============================================================================
2183 // info screen functions
2184 // ============================================================================
2185
2186 static struct TokenInfo *info_info;
2187 static int num_info_info;       // number of info entries shown on screen
2188 static int max_info_info;       // total number of info entries in list
2189
2190 static void execInfoTitleScreen(void)
2191 {
2192   info_mode = INFO_MODE_TITLE;
2193
2194   DrawInfoScreen();
2195 }
2196
2197 static void execInfoElements(void)
2198 {
2199   info_mode = INFO_MODE_ELEMENTS;
2200
2201   DrawInfoScreen();
2202 }
2203
2204 static void execInfoMusic(void)
2205 {
2206   info_mode = INFO_MODE_MUSIC;
2207
2208   DrawInfoScreen();
2209 }
2210
2211 static void execInfoCredits(void)
2212 {
2213   info_mode = INFO_MODE_CREDITS;
2214
2215   DrawInfoScreen();
2216 }
2217
2218 static void execInfoProgram(void)
2219 {
2220   info_mode = INFO_MODE_PROGRAM;
2221
2222   DrawInfoScreen();
2223 }
2224
2225 static void execInfoVersion(void)
2226 {
2227   info_mode = INFO_MODE_VERSION;
2228
2229   DrawInfoScreen();
2230 }
2231
2232 static void execInfoLevelSet(void)
2233 {
2234   info_mode = INFO_MODE_LEVELSET;
2235
2236   DrawInfoScreen();
2237 }
2238
2239 static void execExitInfo(void)
2240 {
2241   SetGameStatus(GAME_MODE_MAIN);
2242
2243   DrawMainMenu();
2244 }
2245
2246 static struct TokenInfo info_info_main[] =
2247 {
2248   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2249   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2250   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2251   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2252   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2253   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2254   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2255   { TYPE_EMPTY,         NULL,                   ""                      },
2256   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2257
2258   { 0,                  NULL,                   NULL                    }
2259 };
2260
2261 static int getMenuTextFont(int type)
2262 {
2263   if (type & (TYPE_SWITCH       |
2264               TYPE_YES_NO       |
2265               TYPE_YES_NO_AUTO  |
2266               TYPE_STRING       |
2267               TYPE_PLAYER       |
2268               TYPE_ECS_AGA      |
2269               TYPE_KEYTEXT      |
2270               TYPE_ENTER_LIST   |
2271               TYPE_TEXT_INPUT))
2272     return FONT_MENU_2;
2273   else
2274     return FONT_MENU_1;
2275 }
2276
2277 static struct TokenInfo *setup_info;
2278 static struct TokenInfo setup_info_input[];
2279
2280 static struct TokenInfo *menu_info;
2281
2282 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2283                                        int screen_pos, int menu_info_pos_raw,
2284                                        boolean active)
2285 {
2286   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2287   struct TokenInfo *ti = &token_info[pos];
2288   int xpos = MENU_SCREEN_START_XPOS;
2289   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2290   int font_nr = getMenuTextFont(ti->type);
2291
2292   if (setup_mode == SETUP_MODE_INPUT)
2293     font_nr = FONT_MENU_1;
2294
2295   if (active)
2296     font_nr = FONT_ACTIVE(font_nr);
2297
2298   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2299
2300   if (ti->type & ~TYPE_SKIP_ENTRY)
2301     drawCursor(screen_pos, active);
2302 }
2303
2304 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2305                                    boolean active)
2306 {
2307   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2308 }
2309
2310 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2311                                     boolean active)
2312 {
2313   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2314 }
2315
2316 static char *window_size_text;
2317 static char *scaling_type_text;
2318 static char *network_server_text;
2319
2320 static void drawSetupValue(int, int);
2321
2322 static void drawMenuInfoList(int first_entry, int num_page_entries,
2323                              int max_page_entries)
2324 {
2325   int i;
2326
2327   if (first_entry + num_page_entries > max_page_entries)
2328     first_entry = 0;
2329
2330   clearMenuListArea();
2331
2332   for (i = 0; i < num_page_entries; i++)
2333   {
2334     int menu_info_pos = first_entry + i;
2335     struct TokenInfo *si = &menu_info[menu_info_pos];
2336     void *value_ptr = si->value;
2337
2338     // set some entries to "unchangeable" according to other variables
2339     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2340         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2341         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2342         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2343         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2344         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2345       si->type |= TYPE_GHOSTED;
2346
2347     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2348       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2349     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2350       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2351     else if (si->type & ~TYPE_SKIP_ENTRY)
2352       initCursor(i, IMG_MENU_BUTTON);
2353
2354     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2355
2356     if (si->type & TYPE_STRING)
2357     {
2358       int gadget_id = -1;
2359
2360       if (value_ptr == &network_server_text)
2361         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2362
2363       if (gadget_id != -1)
2364       {
2365         struct GadgetInfo *gi = screen_gadget[gadget_id];
2366         int xpos = MENU_SCREEN_START_XPOS;
2367         int ypos = MENU_SCREEN_START_YPOS + i;
2368         int x = mSX + xpos * 32;
2369         int y = mSY + ypos * 32;
2370
2371         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2372       }
2373     }
2374
2375     if (si->type & TYPE_VALUE &&
2376         menu_info == setup_info)
2377       drawSetupValue(i, menu_info_pos);
2378   }
2379 }
2380
2381 static void DrawInfoScreen_Main(void)
2382 {
2383   int fade_mask = REDRAW_FIELD;
2384   int i;
2385
2386   if (redraw_mask & REDRAW_ALL)
2387     fade_mask = REDRAW_ALL;
2388
2389   if (CheckFadeAll())
2390     fade_mask = REDRAW_ALL;
2391
2392   UnmapAllGadgets();
2393   FadeMenuSoundsAndMusic();
2394
2395   FreeScreenGadgets();
2396   CreateScreenGadgets();
2397
2398   // (needed after displaying title screens which disable auto repeat)
2399   KeyboardAutoRepeatOn();
2400
2401   FadeSetLeaveScreen();
2402
2403   FadeOut(fade_mask);
2404
2405   // needed if different viewport properties defined for info screen
2406   ChangeViewportPropertiesIfNeeded();
2407
2408   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2409
2410   ClearField();
2411
2412   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2413
2414   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2415
2416   info_info = info_info_main;
2417
2418   // determine maximal number of info entries that can be displayed on screen
2419   num_info_info = 0;
2420   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2421     num_info_info++;
2422
2423   // determine maximal number of info entries available for menu of info screen
2424   max_info_info = 0;
2425   for (i = 0; info_info[i].type != 0; i++)
2426     max_info_info++;
2427
2428   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2429
2430   MapScreenGadgets(max_info_info);
2431
2432   PlayMenuSoundsAndMusic();
2433
2434   DrawMaskedBorder(fade_mask);
2435
2436   FadeIn(fade_mask);
2437 }
2438
2439 static void changeSetupValue(int, int, int);
2440
2441 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2442                              int mode, int num_page_entries,
2443                              int max_page_entries)
2444 {
2445   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2446   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2447   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2448   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2449   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2450   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2451   int *num_page_entries_last = num_page_entries_all_last[game_status];
2452   int *choice_store = choice_stores[game_status];
2453   int *first_entry_store = first_entry_stores[game_status];
2454   int choice = choice_store[mode];              // starts with 0
2455   int first_entry = first_entry_store[mode];    // starts with 0
2456   int x = 0;
2457   int y = choice - first_entry;
2458   int y_old = y;
2459   boolean position_set_by_scrollbar = (dx == 999);
2460   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2461   int i;
2462
2463   if (button == MB_MENU_INITIALIZE)
2464   {
2465     // check if number of menu page entries has changed (may happen by change
2466     // of custom artwork definition value for 'list_size' for this menu screen)
2467     // (in this case, the last menu position most probably has to be corrected)
2468     if (num_page_entries != num_page_entries_last[mode])
2469     {
2470       choice_store[mode] = first_entry_store[mode] = 0;
2471
2472       choice = first_entry = 0;
2473       y = y_old = 0;
2474
2475       num_page_entries_last[mode] = num_page_entries;
2476     }
2477
2478     // advance to first valid menu entry
2479     while (choice < num_page_entries &&
2480            menu_info[choice].type & TYPE_SKIP_ENTRY)
2481       choice++;
2482
2483     if (position_set_by_scrollbar)
2484       first_entry = first_entry_store[mode] = dy;
2485     else
2486       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2487                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2488
2489     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2490
2491     if (choice < first_entry)
2492     {
2493       choice = first_entry;
2494
2495       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2496         choice++;
2497     }
2498     else if (choice > first_entry + num_page_entries - 1)
2499     {
2500       choice = first_entry + num_page_entries - 1;
2501
2502       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2503         choice--;
2504     }
2505
2506     choice_store[mode] = choice;
2507
2508     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2509
2510     return;
2511   }
2512   else if (button == MB_MENU_LEAVE)
2513   {
2514     PlaySound(SND_MENU_ITEM_SELECTING);
2515
2516     for (i = 0; i < max_page_entries; i++)
2517     {
2518       if (menu_info[i].type & TYPE_LEAVE_MENU)
2519       {
2520         void (*menu_callback_function)(void) = menu_info[i].value;
2521
2522         FadeSetLeaveMenu();
2523
2524         menu_callback_function();
2525
2526         break;  // absolutely needed because function changes 'menu_info'!
2527       }
2528     }
2529
2530     return;
2531   }
2532
2533   if (mx || my)         // mouse input
2534   {
2535     x = (mx - mSX) / 32;
2536     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2537   }
2538   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2539   {
2540     // move cursor instead of scrolling when already at start/end of list
2541     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2542       dy = -1;
2543     else if (dy == +1 * SCROLL_LINE &&
2544              first_entry + num_page_entries == max_page_entries)
2545       dy = 1;
2546
2547     // handle scrolling screen one line or page
2548     if (y + dy < 0 ||
2549         y + dy > num_page_entries - 1)
2550     {
2551       boolean redraw = FALSE;
2552
2553       if (ABS(dy) == SCROLL_PAGE)
2554         step = num_page_entries - 1;
2555
2556       if (dy < 0 && first_entry > 0)
2557       {
2558         // scroll page/line up
2559
2560         first_entry -= step;
2561         if (first_entry < 0)
2562           first_entry = 0;
2563
2564         redraw = TRUE;
2565       }
2566       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2567       {
2568         // scroll page/line down
2569
2570         first_entry += step;
2571         if (first_entry + num_page_entries > max_page_entries)
2572           first_entry = MAX(0, max_page_entries - num_page_entries);
2573
2574         redraw = TRUE;
2575       }
2576
2577       if (redraw)
2578       {
2579         choice += first_entry - first_entry_store[mode];
2580
2581         if (choice < first_entry)
2582         {
2583           choice = first_entry;
2584
2585           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2586             choice++;
2587         }
2588         else if (choice > first_entry + num_page_entries - 1)
2589         {
2590           choice = first_entry + num_page_entries - 1;
2591
2592           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2593             choice--;
2594         }
2595         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2596         {
2597           choice += SIGN(dy);
2598
2599           if (choice < first_entry ||
2600               choice > first_entry + num_page_entries - 1)
2601           first_entry += SIGN(dy);
2602         }
2603
2604         first_entry_store[mode] = first_entry;
2605         choice_store[mode] = choice;
2606
2607         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2608
2609         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2610
2611         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2612                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2613       }
2614
2615       return;
2616     }
2617
2618     if (dx)
2619     {
2620       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2621
2622       if (menu_info[choice].type & menu_navigation_type ||
2623           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2624           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2625           menu_info[choice].type & TYPE_PLAYER)
2626         button = MB_MENU_CHOICE;
2627     }
2628     else if (dy)
2629       y += dy;
2630
2631     // jump to next non-empty menu entry (up or down)
2632     while (first_entry + y > 0 &&
2633            first_entry + y < max_page_entries - 1 &&
2634            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2635       y += dy;
2636
2637     if (!IN_VIS_MENU(x, y))
2638     {
2639       choice += y - y_old;
2640
2641       if (choice < first_entry)
2642         first_entry = choice;
2643       else if (choice > first_entry + num_page_entries - 1)
2644         first_entry = choice - num_page_entries + 1;
2645
2646       if (first_entry >= 0 &&
2647           first_entry + num_page_entries <= max_page_entries)
2648       {
2649         first_entry_store[mode] = first_entry;
2650
2651         if (choice < first_entry)
2652           choice = first_entry;
2653         else if (choice > first_entry + num_page_entries - 1)
2654           choice = first_entry + num_page_entries - 1;
2655
2656         choice_store[mode] = choice;
2657
2658         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2659
2660         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2661
2662         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2663                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2664       }
2665
2666       return;
2667     }
2668   }
2669
2670   if (!anyScrollbarGadgetActive() &&
2671       IN_VIS_MENU(x, y) &&
2672       mx < mx_right_border &&
2673       y >= 0 && y < num_page_entries)
2674   {
2675     if (button)
2676     {
2677       if (first_entry + y != choice &&
2678           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2679       {
2680         PlaySound(SND_MENU_ITEM_ACTIVATING);
2681
2682         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2683         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2684
2685         choice = choice_store[mode] = first_entry + y;
2686       }
2687       else if (dx < 0)
2688       {
2689         PlaySound(SND_MENU_ITEM_SELECTING);
2690
2691         for (i = 0; menu_info[i].type != 0; i++)
2692         {
2693           if (menu_info[i].type & TYPE_LEAVE_MENU)
2694           {
2695             void (*menu_callback_function)(void) = menu_info[i].value;
2696
2697             FadeSetLeaveMenu();
2698
2699             menu_callback_function();
2700
2701             // absolutely needed because function changes 'menu_info'!
2702             break;
2703           }
2704         }
2705
2706         return;
2707       }
2708     }
2709     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2710     {
2711       PlaySound(SND_MENU_ITEM_SELECTING);
2712
2713       // when selecting key headline, execute function for key value change
2714       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2715           menu_info[first_entry + y + 1].type & TYPE_KEY)
2716         y++;
2717
2718       // when selecting string value, execute function for list selection
2719       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2720           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2721         y--;
2722
2723       // when selecting string value, execute function for text input gadget
2724       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2725           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2726         y--;
2727
2728       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2729       {
2730         void (*menu_callback_function)(void) =
2731           menu_info[first_entry + y].value;
2732
2733         FadeSetFromType(menu_info[first_entry + y].type);
2734
2735         menu_callback_function();
2736       }
2737       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2738       {
2739         void (*gadget_callback_function)(void) =
2740           menu_info[first_entry + y].value;
2741
2742         gadget_callback_function();
2743       }
2744       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2745                menu_info == setup_info)
2746       {
2747         changeSetupValue(y, first_entry + y, dx);
2748       }
2749     }
2750   }
2751 }
2752
2753 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2754 {
2755   menu_info = info_info;
2756
2757   HandleMenuScreen(mx, my, dx, dy, button,
2758                    info_mode, num_info_info, max_info_info);
2759 }
2760
2761 static int getMenuFontSpacing(int spacing_height, int font_nr)
2762 {
2763   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2764
2765   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2766           spacing_height);
2767 }
2768
2769 static int getMenuTextSpacing(int spacing_height, int font_nr)
2770 {
2771   return (getMenuFontSpacing(spacing_height, font_nr) +
2772           EXTRA_SPACING(game_status));
2773 }
2774
2775 static int getMenuTextStep(int spacing_height, int font_nr)
2776 {
2777   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2778 }
2779
2780 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2781 {
2782   int font_title = MENU_INFO_FONT_TITLE;
2783   int font_error = FONT_TEXT_2;
2784   int font_foot  = MENU_INFO_FONT_FOOT;
2785   int spacing_title = menu.headline1_spacing_info[info_mode];
2786   int ystep_title = getMenuTextStep(spacing_title, font_title);
2787   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2788   int ystart2 = ystart1 + ystep_title;
2789   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2790
2791   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2792
2793   FadeOut(REDRAW_FIELD);
2794
2795   ClearField();
2796   DrawHeadline();
2797
2798   DrawTextSCentered(ystart1, font_title, text_title);
2799   DrawTextSCentered(ystart2, font_error, text_error);
2800
2801   DrawTextSCentered(ybottom, font_foot,
2802                     "Press any key or button for info menu");
2803
2804   FadeIn(REDRAW_FIELD);
2805 }
2806
2807 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2808 {
2809   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2810   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2811   int font_title = MENU_INFO_FONT_TITLE;
2812   int font_foot  = MENU_INFO_FONT_FOOT;
2813   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2814   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2815   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2816   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2817   int ystep = MENU_SCREEN_INFO_YSTEP;
2818   int element, action, direction;
2819   int graphic;
2820   int delay;
2821   int sync_frame;
2822   int i, j;
2823
2824   if (init)
2825   {
2826     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2827       infoscreen_step[i] = infoscreen_frame[i] = 0;
2828
2829     ClearField();
2830     DrawHeadline();
2831
2832     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2833
2834     DrawTextSCentered(ybottom, font_foot,
2835                       "Press any key or button for next page");
2836
2837     FrameCounter = 0;
2838   }
2839
2840   i = j = 0;
2841   while (helpanim_info[j].element != HELPANIM_LIST_END)
2842   {
2843     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2844         i >= max_anims)
2845       break;
2846     else if (i < start)
2847     {
2848       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2849         j++;
2850
2851       j++;
2852       i++;
2853
2854       continue;
2855     }
2856
2857     j += infoscreen_step[i - start];
2858
2859     element = helpanim_info[j].element;
2860     action = helpanim_info[j].action;
2861     direction = helpanim_info[j].direction;
2862
2863     if (element < 0)
2864       element = EL_UNKNOWN;
2865
2866     if (action != -1 && direction != -1)
2867       graphic = el_act_dir2img(element, action, direction);
2868     else if (action != -1)
2869       graphic = el_act2img(element, action);
2870     else if (direction != -1)
2871       graphic = el_dir2img(element, direction);
2872     else
2873       graphic = el2img(element);
2874
2875     delay = helpanim_info[j++].delay;
2876
2877     if (delay == -1)
2878       delay = 1000000;
2879
2880     if (infoscreen_frame[i - start] == 0)
2881     {
2882       sync_frame = 0;
2883       infoscreen_frame[i - start] = delay - 1;
2884     }
2885     else
2886     {
2887       sync_frame = delay - infoscreen_frame[i - start];
2888       infoscreen_frame[i - start]--;
2889     }
2890
2891     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2892     {
2893       if (!infoscreen_frame[i - start])
2894         infoscreen_step[i - start] = 0;
2895     }
2896     else
2897     {
2898       if (!infoscreen_frame[i - start])
2899         infoscreen_step[i - start]++;
2900       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2901         j++;
2902     }
2903
2904     j++;
2905
2906     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2907                                TILEX, TILEY);
2908     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2909                                  graphic, sync_frame, USE_MASKING);
2910
2911     if (init)
2912       DrawInfoScreen_HelpText(element, action, direction, i - start);
2913
2914     i++;
2915   }
2916
2917   redraw_mask |= REDRAW_FIELD;
2918
2919   FrameCounter++;
2920 }
2921
2922 static char *getHelpText(int element, int action, int direction)
2923 {
2924   char token[MAX_LINE_LEN];
2925
2926   strcpy(token, element_info[element].token_name);
2927
2928   if (action != -1)
2929     strcat(token, element_action_info[action].suffix);
2930
2931   if (direction != -1)
2932     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2933
2934   return getHashEntry(helptext_info, token);
2935 }
2936
2937 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2938 {
2939   int font_nr = FONT_INFO_ELEMENTS;
2940   int font_width = getFontWidth(font_nr);
2941   int font_height = getFontHeight(font_nr);
2942   int yoffset = (TILEX - 2 * font_height) / 2;
2943   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2944   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2945   int ystep = TILEY + 4;
2946   int pad_left = xstart - SX;
2947   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2948   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2949   int max_lines_per_text = 2;
2950   char *text = NULL;
2951
2952   if (action != -1 && direction != -1)          // element.action.direction
2953     text = getHelpText(element, action, direction);
2954
2955   if (text == NULL && action != -1)             // element.action
2956     text = getHelpText(element, action, -1);
2957
2958   if (text == NULL && direction != -1)          // element.direction
2959     text = getHelpText(element, -1, direction);
2960
2961   if (text == NULL)                             // base element
2962     text = getHelpText(element, -1, -1);
2963
2964   if (text == NULL)                             // not found
2965     text = "No description available";
2966
2967   if (strlen(text) <= max_chars_per_line)       // only one line of text
2968     ystart += getFontHeight(font_nr) / 2;
2969
2970   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2971                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2972                  TRUE, FALSE, FALSE);
2973 }
2974
2975 static void DrawInfoScreen_TitleScreen(void)
2976 {
2977   SetGameStatus(GAME_MODE_TITLE);
2978
2979   DrawTitleScreen();
2980 }
2981
2982 void HandleInfoScreen_TitleScreen(int button)
2983 {
2984   HandleTitleScreen(0, 0, 0, 0, button);
2985 }
2986
2987 static void DrawInfoScreen_Elements(void)
2988 {
2989   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2990
2991   FadeOut(REDRAW_FIELD);
2992
2993   LoadHelpAnimInfo();
2994   LoadHelpTextInfo();
2995
2996   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2997
2998   FadeIn(REDRAW_FIELD);
2999 }
3000
3001 void HandleInfoScreen_Elements(int button)
3002 {
3003   static unsigned int info_delay = 0;
3004   static int num_anims;
3005   static int num_pages;
3006   static int page;
3007   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3008   int i;
3009
3010   if (button == MB_MENU_INITIALIZE)
3011   {
3012     boolean new_element = TRUE;
3013
3014     num_anims = 0;
3015
3016     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3017     {
3018       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3019         new_element = TRUE;
3020       else if (new_element)
3021       {
3022         num_anims++;
3023         new_element = FALSE;
3024       }
3025     }
3026
3027     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3028     page = 0;
3029   }
3030
3031   if (button == MB_MENU_LEAVE)
3032   {
3033     PlaySound(SND_MENU_ITEM_SELECTING);
3034
3035     info_mode = INFO_MODE_MAIN;
3036     DrawInfoScreen();
3037
3038     return;
3039   }
3040   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3041   {
3042     if (button != MB_MENU_INITIALIZE)
3043     {
3044       PlaySound(SND_MENU_ITEM_SELECTING);
3045
3046       page++;
3047     }
3048
3049     if (page >= num_pages)
3050     {
3051       FadeMenuSoundsAndMusic();
3052
3053       info_mode = INFO_MODE_MAIN;
3054       DrawInfoScreen();
3055
3056       return;
3057     }
3058
3059     if (page > 0)
3060       FadeSetNextScreen();
3061
3062     if (button != MB_MENU_INITIALIZE)
3063       FadeOut(REDRAW_FIELD);
3064
3065     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3066
3067     if (button != MB_MENU_INITIALIZE)
3068       FadeIn(REDRAW_FIELD);
3069   }
3070   else
3071   {
3072     if (DelayReached(&info_delay, GameFrameDelay))
3073       if (page < num_pages)
3074         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3075
3076     PlayMenuSoundIfLoop();
3077   }
3078 }
3079
3080 static void DrawInfoScreen_Music(void)
3081 {
3082   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3083
3084   FadeOut(REDRAW_FIELD);
3085
3086   ClearField();
3087   DrawHeadline();
3088
3089   LoadMusicInfo();
3090
3091   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3092
3093   FadeIn(REDRAW_FIELD);
3094 }
3095
3096 void HandleInfoScreen_Music(int button)
3097 {
3098   static struct MusicFileInfo *list = NULL;
3099   int font_title = MENU_INFO_FONT_TITLE;
3100   int font_head  = MENU_INFO_FONT_HEAD;
3101   int font_text  = MENU_INFO_FONT_TEXT;
3102   int font_foot  = MENU_INFO_FONT_FOOT;
3103   int spacing_title = menu.headline1_spacing_info[info_mode];
3104   int spacing_head  = menu.headline2_spacing_info[info_mode];
3105   int ystep_title = getMenuTextStep(spacing_title, font_title);
3106   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3107   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3108   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3109
3110   if (button == MB_MENU_INITIALIZE)
3111   {
3112     list = music_file_info;
3113
3114     if (list == NULL)
3115     {
3116       FadeMenuSoundsAndMusic();
3117
3118       ClearField();
3119       DrawHeadline();
3120
3121       DrawTextSCentered(ystart, font_title,
3122                         "No music info for this level set.");
3123
3124       DrawTextSCentered(ybottom, font_foot,
3125                         "Press any key or button for info menu");
3126
3127       return;
3128     }
3129   }
3130
3131   if (button == MB_MENU_LEAVE)
3132   {
3133     PlaySound(SND_MENU_ITEM_SELECTING);
3134
3135     FadeMenuSoundsAndMusic();
3136
3137     info_mode = INFO_MODE_MAIN;
3138     DrawInfoScreen();
3139
3140     return;
3141   }
3142   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3143   {
3144     if (button != MB_MENU_INITIALIZE)
3145     {
3146       PlaySound(SND_MENU_ITEM_SELECTING);
3147
3148       if (list != NULL)
3149         list = list->next;
3150     }
3151
3152     if (list == NULL)
3153     {
3154       FadeMenuSoundsAndMusic();
3155
3156       info_mode = INFO_MODE_MAIN;
3157       DrawInfoScreen();
3158
3159       return;
3160     }
3161
3162     FadeMenuSoundsAndMusic();
3163
3164     if (list != music_file_info)
3165       FadeSetNextScreen();
3166
3167     if (button != MB_MENU_INITIALIZE)
3168       FadeOut(REDRAW_FIELD);
3169
3170     ClearField();
3171     DrawHeadline();
3172
3173     if (list->is_sound)
3174     {
3175       int sound = list->music;
3176
3177       if (sound_info[sound].loop)
3178         PlaySoundLoop(sound);
3179       else
3180         PlaySound(sound);
3181
3182       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3183     }
3184     else
3185     {
3186       int music = list->music;
3187
3188       if (music_info[music].loop)
3189         PlayMusicLoop(music);
3190       else
3191         PlayMusic(music);
3192
3193       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3194     }
3195
3196     ystart += ystep_title;
3197
3198     if (!strEqual(list->title, UNKNOWN_NAME))
3199     {
3200       if (!strEqual(list->title_header, UNKNOWN_NAME))
3201       {
3202         DrawTextSCentered(ystart, font_head, list->title_header);
3203         ystart += ystep_head;
3204       }
3205
3206       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3207       ystart += ystep_head;
3208     }
3209
3210     if (!strEqual(list->artist, UNKNOWN_NAME))
3211     {
3212       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3213         DrawTextSCentered(ystart, font_head, list->artist_header);
3214       else
3215         DrawTextSCentered(ystart, font_head, "by");
3216
3217       ystart += ystep_head;
3218
3219       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3220       ystart += ystep_head;
3221     }
3222
3223     if (!strEqual(list->album, UNKNOWN_NAME))
3224     {
3225       if (!strEqual(list->album_header, UNKNOWN_NAME))
3226         DrawTextSCentered(ystart, font_head, list->album_header);
3227       else
3228         DrawTextSCentered(ystart, font_head, "from the album");
3229
3230       ystart += ystep_head;
3231
3232       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3233       ystart += ystep_head;
3234     }
3235
3236     if (!strEqual(list->year, UNKNOWN_NAME))
3237     {
3238       if (!strEqual(list->year_header, UNKNOWN_NAME))
3239         DrawTextSCentered(ystart, font_head, list->year_header);
3240       else
3241         DrawTextSCentered(ystart, font_head, "from the year");
3242
3243       ystart += ystep_head;
3244
3245       DrawTextFCentered(ystart, font_text, "%s", list->year);
3246       ystart += ystep_head;
3247     }
3248
3249     DrawTextSCentered(ybottom, FONT_TEXT_4,
3250                       "Press any key or button for next page");
3251
3252     if (button != MB_MENU_INITIALIZE)
3253       FadeIn(REDRAW_FIELD);
3254   }
3255
3256   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3257     PlaySoundLoop(list->music);
3258 }
3259
3260 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3261 {
3262   int font_title = MENU_INFO_FONT_TITLE;
3263   int font_head  = MENU_INFO_FONT_HEAD;
3264   int font_text  = MENU_INFO_FONT_TEXT;
3265   int font_foot  = MENU_INFO_FONT_FOOT;
3266   int spacing_title = menu.headline1_spacing_info[info_mode];
3267   int spacing_head  = menu.headline2_spacing_info[info_mode];
3268   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3269   int spacing_line  = menu.line_spacing_info[info_mode];
3270   int ystep_title = getMenuTextStep(spacing_title, font_title);
3271   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3272   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3273   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3274   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3275   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3276
3277   ClearField();
3278   DrawHeadline();
3279
3280   DrawTextSCentered(ystart, font_title, "Credits:");
3281   ystart += ystep_title;
3282
3283   if (screen_nr == 0)
3284   {
3285     DrawTextSCentered(ystart, font_head,
3286                       "Special thanks to");
3287     ystart += ystep_head;
3288     DrawTextSCentered(ystart, font_text,
3289                       "Peter Liepa");
3290     ystart += ystep_head;
3291     DrawTextSCentered(ystart, font_head,
3292                       "for creating");
3293     ystart += ystep_head;
3294     DrawTextSCentered(ystart, font_text,
3295                       "\"Boulder Dash\"");
3296     ystart += ystep_head;
3297     DrawTextSCentered(ystart, font_head,
3298                       "in the year");
3299     ystart += ystep_head;
3300     DrawTextSCentered(ystart, font_text,
3301                       "1984");
3302     ystart += ystep_head;
3303     DrawTextSCentered(ystart, font_head,
3304                       "published by");
3305     ystart += ystep_head;
3306     DrawTextSCentered(ystart, font_text,
3307                       "First Star Software");
3308   }
3309   else if (screen_nr == 1)
3310   {
3311     DrawTextSCentered(ystart, font_head,
3312                       "Special thanks to");
3313     ystart += ystep_head;
3314     DrawTextSCentered(ystart, font_text,
3315                       "Klaus Heinz & Volker Wertich");
3316     ystart += ystep_head;
3317     DrawTextSCentered(ystart, font_head,
3318                       "for creating");
3319     ystart += ystep_head;
3320     DrawTextSCentered(ystart, font_text,
3321                       "\"Emerald Mine\"");
3322     ystart += ystep_head;
3323     DrawTextSCentered(ystart, font_head,
3324                       "in the year");
3325     ystart += ystep_head;
3326     DrawTextSCentered(ystart, font_text,
3327                       "1987");
3328     ystart += ystep_head;
3329     DrawTextSCentered(ystart, font_head,
3330                       "published by");
3331     ystart += ystep_head;
3332     DrawTextSCentered(ystart, font_text,
3333                       "Kingsoft");
3334   }
3335   else if (screen_nr == 2)
3336   {
3337     DrawTextSCentered(ystart, font_head,
3338                       "Special thanks to");
3339     ystart += ystep_head;
3340     DrawTextSCentered(ystart, font_text,
3341                       "Michael Stopp & Philip Jespersen");
3342     ystart += ystep_head;
3343     DrawTextSCentered(ystart, font_head,
3344                       "for creating");
3345     ystart += ystep_head;
3346     DrawTextSCentered(ystart, font_text,
3347                       "\"Supaplex\"");
3348     ystart += ystep_head;
3349     DrawTextSCentered(ystart, font_head,
3350                       "in the year");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_text,
3353                       "1991");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_head,
3356                       "published by");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_text,
3359                       "Digital Integration");
3360   }
3361   else if (screen_nr == 3)
3362   {
3363     DrawTextSCentered(ystart, font_head,
3364                       "Special thanks to");
3365     ystart += ystep_head;
3366     DrawTextSCentered(ystart, font_text,
3367                       "Hiroyuki Imabayashi");
3368     ystart += ystep_head;
3369     DrawTextSCentered(ystart, font_head,
3370                       "for creating");
3371     ystart += ystep_head;
3372     DrawTextSCentered(ystart, font_text,
3373                       "\"Sokoban\"");
3374     ystart += ystep_head;
3375     DrawTextSCentered(ystart, font_head,
3376                       "in the year");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_text,
3379                       "1982");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_head,
3382                       "published by");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_text,
3385                       "Thinking Rabbit");
3386   }
3387   else if (screen_nr == 4)
3388   {
3389     DrawTextSCentered(ystart, font_head,
3390                       "Special thanks to");
3391     ystart += ystep_head;
3392     DrawTextSCentered(ystart, font_text,
3393                       "Alan Bond");
3394     ystart += ystep_head;
3395     DrawTextSCentered(ystart, font_head,
3396                       "and");
3397     ystart += ystep_head;
3398     DrawTextSCentered(ystart, font_text,
3399                       "J\xfcrgen Bonhagen");
3400     ystart += ystep_head;
3401     DrawTextSCentered(ystart, font_head,
3402                       "for the continuous creation");
3403     ystart += ystep_line;
3404     DrawTextSCentered(ystart, font_head,
3405                       "of outstanding level sets");
3406   }
3407   else if (screen_nr == 5)
3408   {
3409     DrawTextSCentered(ystart, font_head,
3410                       "Thanks to");
3411     ystart += ystep_head;
3412     DrawTextSCentered(ystart, font_text,
3413                       "Peter Elzner");
3414     ystart += ystep_head;
3415     DrawTextSCentered(ystart, font_head,
3416                       "for ideas and inspiration by");
3417     ystart += ystep_head;
3418     DrawTextSCentered(ystart, font_text,
3419                       "Diamond Caves");
3420     ystart += ystep_para;
3421
3422     DrawTextSCentered(ystart, font_head,
3423                       "Thanks to");
3424     ystart += ystep_head;
3425     DrawTextSCentered(ystart, font_text,
3426                       "Steffest");
3427     ystart += ystep_head;
3428     DrawTextSCentered(ystart, font_head,
3429                       "for ideas and inspiration by");
3430     ystart += ystep_head;
3431     DrawTextSCentered(ystart, font_text,
3432                       "DX-Boulderdash");
3433   }
3434   else if (screen_nr == 6)
3435   {
3436     DrawTextSCentered(ystart, font_head,
3437                       "Thanks to");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_text,
3440                       "David Tritscher");
3441     ystart += ystep_head;
3442     DrawTextSCentered(ystart, font_head,
3443                       "for the code base used for the");
3444     ystart += ystep_line;
3445     DrawTextSCentered(ystart, font_head,
3446                       "native Emerald Mine engine");
3447   }
3448   else if (screen_nr == 7)
3449   {
3450     DrawTextSCentered(ystart, font_head,
3451                       "Thanks to");
3452     ystart += ystep_head;
3453     DrawTextSCentered(ystart, font_text,
3454                       "Guido Schulz");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_head,
3457                       "for the initial DOS port");
3458     ystart += ystep_para;
3459
3460     DrawTextSCentered(ystart, font_head,
3461                       "Thanks to");
3462     ystart += ystep_head;
3463     DrawTextSCentered(ystart, font_text,
3464                       "Karl H\xf6rnell");
3465     ystart += ystep_head;
3466     DrawTextSCentered(ystart, font_head,
3467                       "for some additional toons");
3468   }
3469   else if (screen_nr == 8)
3470   {
3471     DrawTextSCentered(ystart, font_head,
3472                       "And not to forget:");
3473     ystart += ystep_head;
3474     DrawTextSCentered(ystart, font_head,
3475                       "Many thanks to");
3476     ystart += ystep_head;
3477     DrawTextSCentered(ystart, font_text,
3478                       "All those who contributed");
3479     ystart += ystep_line;
3480     DrawTextSCentered(ystart, font_text,
3481                       "levels to this game");
3482     ystart += ystep_line;
3483     DrawTextSCentered(ystart, font_text,
3484                       "since 1995");
3485   }
3486
3487   DrawTextSCentered(ybottom, font_foot,
3488                     "Press any key or button for next page");
3489 }
3490
3491 static void DrawInfoScreen_Credits(void)
3492 {
3493   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3494
3495   FadeMenuSoundsAndMusic();
3496
3497   FadeOut(REDRAW_FIELD);
3498
3499   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3500
3501   FadeIn(REDRAW_FIELD);
3502 }
3503
3504 void HandleInfoScreen_Credits(int button)
3505 {
3506   static int screen_nr = 0;
3507   int num_screens = 9;
3508
3509   if (button == MB_MENU_INITIALIZE)
3510   {
3511     screen_nr = 0;
3512
3513     // DrawInfoScreen_CreditsScreen(screen_nr);
3514   }
3515
3516   if (button == MB_MENU_LEAVE)
3517   {
3518     PlaySound(SND_MENU_ITEM_SELECTING);
3519
3520     info_mode = INFO_MODE_MAIN;
3521     DrawInfoScreen();
3522
3523     return;
3524   }
3525   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3526   {
3527     if (button != MB_MENU_INITIALIZE)
3528     {
3529       PlaySound(SND_MENU_ITEM_SELECTING);
3530
3531       screen_nr++;
3532     }
3533
3534     if (screen_nr >= num_screens)
3535     {
3536       FadeMenuSoundsAndMusic();
3537
3538       info_mode = INFO_MODE_MAIN;
3539       DrawInfoScreen();
3540
3541       return;
3542     }
3543
3544     if (screen_nr > 0)
3545       FadeSetNextScreen();
3546
3547     if (button != MB_MENU_INITIALIZE)
3548       FadeOut(REDRAW_FIELD);
3549
3550     DrawInfoScreen_CreditsScreen(screen_nr);
3551
3552     if (button != MB_MENU_INITIALIZE)
3553       FadeIn(REDRAW_FIELD);
3554   }
3555   else
3556   {
3557     PlayMenuSoundIfLoop();
3558   }
3559 }
3560
3561 static void DrawInfoScreen_Program(void)
3562 {
3563   int font_title = MENU_INFO_FONT_TITLE;
3564   int font_head  = MENU_INFO_FONT_HEAD;
3565   int font_text  = MENU_INFO_FONT_TEXT;
3566   int font_foot  = MENU_INFO_FONT_FOOT;
3567   int spacing_title = menu.headline1_spacing_info[info_mode];
3568   int spacing_head  = menu.headline2_spacing_info[info_mode];
3569   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3570   int spacing_line  = menu.line_spacing_info[info_mode];
3571   int ystep_title = getMenuTextStep(spacing_title, font_title);
3572   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3573   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3574   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3575   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3576   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3577
3578   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3579
3580   FadeOut(REDRAW_FIELD);
3581
3582   ClearField();
3583   DrawHeadline();
3584
3585   DrawTextSCentered(ystart, font_title, "Program Information:");
3586   ystart += ystep_title;
3587
3588   DrawTextSCentered(ystart, font_head,
3589                     "This game is Freeware!");
3590   ystart += ystep_head;
3591   DrawTextSCentered(ystart, font_head,
3592                     "If you like it, send e-mail to:");
3593   ystart += ystep_head;
3594   DrawTextSCentered(ystart, font_text,
3595                     setup.internal.program_email);
3596   ystart += ystep_para;
3597
3598   DrawTextSCentered(ystart, font_head,
3599                     "More information and levels:");
3600   ystart += ystep_head;
3601   DrawTextSCentered(ystart, font_text,
3602                     setup.internal.program_website);
3603   ystart += ystep_para;
3604
3605   DrawTextSCentered(ystart, font_head,
3606                     "If you have created new levels,");
3607   ystart += ystep_line;
3608   DrawTextSCentered(ystart, font_head,
3609                     "send them to me to include them!");
3610   ystart += ystep_head;
3611   DrawTextSCentered(ystart, font_head,
3612                     ":-)");
3613
3614   DrawTextSCentered(ybottom, font_foot,
3615                     "Press any key or button for info menu");
3616
3617   FadeIn(REDRAW_FIELD);
3618 }
3619
3620 void HandleInfoScreen_Program(int button)
3621 {
3622   if (button == MB_MENU_LEAVE)
3623   {
3624     PlaySound(SND_MENU_ITEM_SELECTING);
3625
3626     info_mode = INFO_MODE_MAIN;
3627     DrawInfoScreen();
3628
3629     return;
3630   }
3631   else if (button == MB_MENU_CHOICE)
3632   {
3633     PlaySound(SND_MENU_ITEM_SELECTING);
3634
3635     FadeMenuSoundsAndMusic();
3636
3637     info_mode = INFO_MODE_MAIN;
3638     DrawInfoScreen();
3639   }
3640   else
3641   {
3642     PlayMenuSoundIfLoop();
3643   }
3644 }
3645
3646 static void DrawInfoScreen_Version(void)
3647 {
3648   int font_title = MENU_INFO_FONT_TITLE;
3649   int font_head  = MENU_INFO_FONT_HEAD;
3650   int font_text  = MENU_INFO_FONT_TEXT;
3651   int font_foot  = MENU_INFO_FONT_FOOT;
3652   int spacing_title = menu.headline1_spacing_info[info_mode];
3653   int spacing_head  = menu.headline2_spacing_info[info_mode];
3654   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3655   int spacing_line  = menu.line_spacing_info[info_mode];
3656   int xstep = getFontWidth(font_text);
3657   int ystep_title = getMenuTextStep(spacing_title, font_title);
3658   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3659   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3660   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3661   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3662   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3663   int xstart1 = mSX - SX + 2 * xstep;
3664   int xstart2 = mSX - SX + 18 * xstep;
3665   int xstart3 = mSX - SX + 28 * xstep;
3666   SDL_version sdl_version_compiled;
3667   const SDL_version *sdl_version_linked;
3668   int driver_name_len = 10;
3669   SDL_version sdl_version_linked_ext;
3670   const char *driver_name = NULL;
3671
3672   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3673
3674   FadeOut(REDRAW_FIELD);
3675
3676   ClearField();
3677   DrawHeadline();
3678
3679   DrawTextSCentered(ystart, font_title, "Version Information:");
3680   ystart += ystep_title;
3681
3682   DrawTextF(xstart1, ystart, font_head, "Name");
3683   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3684   ystart += ystep_line;
3685
3686   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3687   {
3688     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3689     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3690     ystart += ystep_line;
3691
3692     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3693     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3694     ystart += ystep_line;
3695   }
3696   else
3697   {
3698     DrawTextF(xstart1, ystart, font_head, "Version");
3699     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3700     ystart += ystep_line;
3701   }
3702
3703   DrawTextF(xstart1, ystart, font_head, "Platform");
3704   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3705             PLATFORM_STRING,
3706             PLATFORM_XX_BIT_STRING);
3707   ystart += ystep_line;
3708
3709   DrawTextF(xstart1, ystart, font_head, "Target");
3710   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3711   ystart += ystep_line;
3712
3713   DrawTextF(xstart1, ystart, font_head, "Source date");
3714   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3715   ystart += ystep_line;
3716
3717   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3718   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3719   ystart += ystep_para;
3720
3721   DrawTextF(xstart1, ystart, font_head, "Library");
3722   DrawTextF(xstart2, ystart, font_head, "compiled");
3723   DrawTextF(xstart3, ystart, font_head, "linked");
3724   ystart += ystep_head;
3725
3726   SDL_VERSION(&sdl_version_compiled);
3727   SDL_GetVersion(&sdl_version_linked_ext);
3728   sdl_version_linked = &sdl_version_linked_ext;
3729
3730   DrawTextF(xstart1, ystart, font_text, "SDL");
3731   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3732             sdl_version_compiled.major,
3733             sdl_version_compiled.minor,
3734             sdl_version_compiled.patch);
3735   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3736             sdl_version_linked->major,
3737             sdl_version_linked->minor,
3738             sdl_version_linked->patch);
3739   ystart += ystep_line;
3740
3741   SDL_IMAGE_VERSION(&sdl_version_compiled);
3742   sdl_version_linked = IMG_Linked_Version();
3743
3744   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3745   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3746             sdl_version_compiled.major,
3747             sdl_version_compiled.minor,
3748             sdl_version_compiled.patch);
3749   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3750             sdl_version_linked->major,
3751             sdl_version_linked->minor,
3752             sdl_version_linked->patch);
3753   ystart += ystep_line;
3754
3755   SDL_MIXER_VERSION(&sdl_version_compiled);
3756   sdl_version_linked = Mix_Linked_Version();
3757
3758   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3759   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3760             sdl_version_compiled.major,
3761             sdl_version_compiled.minor,
3762             sdl_version_compiled.patch);
3763   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3764             sdl_version_linked->major,
3765             sdl_version_linked->minor,
3766             sdl_version_linked->patch);
3767   ystart += ystep_line;
3768
3769   SDL_NET_VERSION(&sdl_version_compiled);
3770   sdl_version_linked = SDLNet_Linked_Version();
3771
3772   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3773   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3774             sdl_version_compiled.major,
3775             sdl_version_compiled.minor,
3776             sdl_version_compiled.patch);
3777   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3778             sdl_version_linked->major,
3779             sdl_version_linked->minor,
3780             sdl_version_linked->patch);
3781   ystart += ystep_para;
3782
3783   DrawTextF(xstart1, ystart, font_head, "Driver");
3784   DrawTextF(xstart2, ystart, font_head, "Requested");
3785   DrawTextF(xstart3, ystart, font_head, "Used");
3786   ystart += ystep_head;
3787
3788   driver_name =
3789     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3790
3791   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3792   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3793   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3794   ystart += ystep_line;
3795
3796   driver_name =
3797     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3798
3799   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3800   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3801   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3802   ystart += ystep_line;
3803
3804   driver_name =
3805     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3806
3807   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3808   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3809   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3810
3811   DrawTextSCentered(ybottom, font_foot,
3812                     "Press any key or button for info menu");
3813
3814   FadeIn(REDRAW_FIELD);
3815 }
3816
3817 void HandleInfoScreen_Version(int button)
3818 {
3819   if (button == MB_MENU_LEAVE)
3820   {
3821     PlaySound(SND_MENU_ITEM_SELECTING);
3822
3823     info_mode = INFO_MODE_MAIN;
3824     DrawInfoScreen();
3825
3826     return;
3827   }
3828   else if (button == MB_MENU_CHOICE)
3829   {
3830     PlaySound(SND_MENU_ITEM_SELECTING);
3831
3832     FadeMenuSoundsAndMusic();
3833
3834     info_mode = INFO_MODE_MAIN;
3835     DrawInfoScreen();
3836   }
3837   else
3838   {
3839     PlayMenuSoundIfLoop();
3840   }
3841 }
3842
3843 static void DrawInfoScreen_LevelSet(void)
3844 {
3845   struct TitleMessageInfo *tmi = &readme;
3846   char *filename = getLevelSetInfoFilename();
3847   char *title = "Level Set Information:";
3848   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3849   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3850
3851   if (filename == NULL)
3852   {
3853     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3854
3855     return;
3856   }
3857
3858   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3859
3860   FadeOut(REDRAW_FIELD);
3861
3862   ClearField();
3863   DrawHeadline();
3864
3865   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3866
3867   // if x position set to "-1", automatically determine by playfield width
3868   if (tmi->x == -1)
3869     tmi->x = SXSIZE / 2;
3870
3871   // if y position set to "-1", use static default value
3872   if (tmi->y == -1)
3873     tmi->y = 150;
3874
3875   // if width set to "-1", automatically determine by playfield width
3876   if (tmi->width == -1)
3877     tmi->width = SXSIZE - 2 * TILEX;
3878
3879   // if height set to "-1", automatically determine by playfield height
3880   if (tmi->height == -1)
3881     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3882
3883   // if chars set to "-1", automatically determine by text and font width
3884   if (tmi->chars == -1)
3885     tmi->chars = tmi->width / getFontWidth(tmi->font);
3886   else
3887     tmi->width = tmi->chars * getFontWidth(tmi->font);
3888
3889   // if lines set to "-1", automatically determine by text and font height
3890   if (tmi->lines == -1)
3891     tmi->lines = tmi->height / getFontHeight(tmi->font);
3892   else
3893     tmi->height = tmi->lines * getFontHeight(tmi->font);
3894
3895   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3896                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3897                tmi->autowrap, tmi->centered, tmi->parse_comments);
3898
3899   DrawTextSCentered(ybottom, FONT_TEXT_4,
3900                     "Press any key or button for info menu");
3901
3902   FadeIn(REDRAW_FIELD);
3903 }
3904
3905 static void HandleInfoScreen_LevelSet(int button)
3906 {
3907   if (button == MB_MENU_LEAVE)
3908   {
3909     PlaySound(SND_MENU_ITEM_SELECTING);
3910
3911     info_mode = INFO_MODE_MAIN;
3912     DrawInfoScreen();
3913
3914     return;
3915   }
3916   else if (button == MB_MENU_CHOICE)
3917   {
3918     PlaySound(SND_MENU_ITEM_SELECTING);
3919
3920     FadeMenuSoundsAndMusic();
3921
3922     info_mode = INFO_MODE_MAIN;
3923     DrawInfoScreen();
3924   }
3925   else
3926   {
3927     PlayMenuSoundIfLoop();
3928   }
3929 }
3930
3931 static void DrawInfoScreen(void)
3932 {
3933   if (info_mode == INFO_MODE_TITLE)
3934     DrawInfoScreen_TitleScreen();
3935   else if (info_mode == INFO_MODE_ELEMENTS)
3936     DrawInfoScreen_Elements();
3937   else if (info_mode == INFO_MODE_MUSIC)
3938     DrawInfoScreen_Music();
3939   else if (info_mode == INFO_MODE_CREDITS)
3940     DrawInfoScreen_Credits();
3941   else if (info_mode == INFO_MODE_PROGRAM)
3942     DrawInfoScreen_Program();
3943   else if (info_mode == INFO_MODE_VERSION)
3944     DrawInfoScreen_Version();
3945   else if (info_mode == INFO_MODE_LEVELSET)
3946     DrawInfoScreen_LevelSet();
3947   else
3948     DrawInfoScreen_Main();
3949
3950   if (info_mode != INFO_MODE_MAIN &&
3951       info_mode != INFO_MODE_TITLE &&
3952       info_mode != INFO_MODE_MUSIC)
3953     PlayMenuSoundsAndMusic();
3954 }
3955
3956 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3957 {
3958   if (info_mode == INFO_MODE_TITLE)
3959     HandleInfoScreen_TitleScreen(button);
3960   else if (info_mode == INFO_MODE_ELEMENTS)
3961     HandleInfoScreen_Elements(button);
3962   else if (info_mode == INFO_MODE_MUSIC)
3963     HandleInfoScreen_Music(button);
3964   else if (info_mode == INFO_MODE_CREDITS)
3965     HandleInfoScreen_Credits(button);
3966   else if (info_mode == INFO_MODE_PROGRAM)
3967     HandleInfoScreen_Program(button);
3968   else if (info_mode == INFO_MODE_VERSION)
3969     HandleInfoScreen_Version(button);
3970   else if (info_mode == INFO_MODE_LEVELSET)
3971     HandleInfoScreen_LevelSet(button);
3972   else
3973     HandleInfoScreen_Main(mx, my, dx, dy, button);
3974 }
3975
3976
3977 // ============================================================================
3978 // type name functions
3979 // ============================================================================
3980
3981 static void HandleTypeNameExt(boolean initialize, Key key)
3982 {
3983   static char name[MAX_PLAYER_NAME_LEN + 1];
3984   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3985   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3986   struct TextPosInfo *pos = mci->pos_input;
3987   int sx = mSX + ALIGNED_TEXT_XPOS(pos);
3988   int sy = mSY + ALIGNED_TEXT_YPOS(pos);
3989   static int xpos = 0;
3990   int font_nr = pos->font;
3991   int font_active_nr = FONT_ACTIVE(font_nr);
3992   int font_width = getFontWidth(font_active_nr);
3993   char key_char = getValidConfigValueChar(getCharFromKey(key));
3994   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3995   boolean is_active = TRUE;
3996
3997   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_active_nr);
3998
3999   if (initialize)
4000   {
4001     strcpy(name, setup.player_name);
4002     strcpy(last_player_name, name);
4003
4004     xpos = strlen(name);
4005
4006     StartTextInput(sx, sy, pos->width, pos->height);
4007   }
4008   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4009   {
4010     name[xpos] = key_char;
4011     name[xpos + 1] = 0;
4012
4013     xpos++;
4014   }
4015   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4016   {
4017     xpos--;
4018
4019     name[xpos] = 0;
4020   }
4021   else if (key == KSYM_Return && xpos > 0)
4022   {
4023     strcpy(setup.player_name, name);
4024
4025     SaveSetup();
4026
4027     is_active = FALSE;
4028   }
4029   else if (key == KSYM_Escape)
4030   {
4031     strcpy(name, last_player_name);
4032
4033     is_active = FALSE;
4034   }
4035
4036   if (is_active)
4037   {
4038     pos->width = (strlen(name) + 1) * font_width;
4039     sx = mSX + ALIGNED_TEXT_XPOS(pos);
4040
4041     DrawText(sx, sy, name, font_active_nr);
4042     DrawText(sx + xpos * font_width, sy, "_", font_active_nr);
4043   }
4044   else
4045   {
4046     SetGameStatus(GAME_MODE_MAIN);
4047
4048     pos->width = strlen(name) * font_width;
4049     sx = mSX + ALIGNED_TEXT_XPOS(pos);
4050
4051     DrawText(sx, sy, name, font_nr);
4052
4053     StopTextInput();
4054   }
4055 }
4056
4057 static void DrawTypeName(void)
4058 {
4059   HandleTypeNameExt(TRUE, 0);
4060 }
4061
4062 void HandleTypeName(Key key)
4063 {
4064   HandleTypeNameExt(FALSE, key);
4065 }
4066
4067
4068 // ============================================================================
4069 // tree menu functions
4070 // ============================================================================
4071
4072 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4073 {
4074   if (game_status != GAME_MODE_SETUP ||
4075       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4076     return 0;
4077
4078   int max_text_size = 0;
4079   TreeInfo *node;
4080
4081   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4082     max_text_size = MAX(max_text_size, strlen(node->name));
4083
4084   int num_entries = numTreeInfoInGroup(ti);
4085   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4086   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4087   int button_width = SC_MENUBUTTON_XSIZE;
4088   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4089   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4090   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4091   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4092   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4093   int align_xoffset = MAX(0, align_xoffset_raw);
4094
4095   return align_xoffset;
4096 }
4097
4098 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4099 {
4100   if (game_status != GAME_MODE_SETUP ||
4101       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4102     return 0;
4103
4104   int num_entries = numTreeInfoInGroup(ti);
4105   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4106   int font_height = getFontHeight(FONT_TEXT_1);
4107   int text_height = font_height * num_page_entries;
4108   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4109   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4110   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4111   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4112   int align_yoffset = MAX(0, align_yoffset_raw);
4113
4114   return align_yoffset;
4115 }
4116
4117 static void DrawChooseTree(TreeInfo **ti_ptr)
4118 {
4119   int fade_mask = REDRAW_FIELD;
4120
4121   if (CheckFadeAll())
4122     fade_mask = REDRAW_ALL;
4123
4124   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4125   {
4126     SetGameStatus(GAME_MODE_MAIN);
4127
4128     DrawMainMenu();
4129
4130     return;
4131   }
4132
4133   UnmapAllGadgets();
4134
4135   FreeScreenGadgets();
4136   CreateScreenGadgets();
4137
4138   FadeOut(fade_mask);
4139
4140   // needed if different viewport properties defined for choosing level (set)
4141   ChangeViewportPropertiesIfNeeded();
4142
4143   if (game_status == GAME_MODE_NAMES)
4144     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4145   else if (game_status == GAME_MODE_LEVELNR)
4146     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4147   else if (game_status == GAME_MODE_LEVELS)
4148     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4149
4150   ClearField();
4151
4152   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4153
4154   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4155   MapScreenTreeGadgets(*ti_ptr);
4156
4157   DrawMaskedBorder(fade_mask);
4158
4159   FadeIn(fade_mask);
4160 }
4161
4162 static void drawChooseTreeList(int first_entry, int num_page_entries,
4163                                TreeInfo *ti)
4164 {
4165   int num_entries = numTreeInfoInGroup(ti);
4166   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4167   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4168   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4169   int font_nr = FONT_TEXT_1;
4170   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4171   int i;
4172   char *title_string = NULL;
4173   int yoffset_sets = MENU_TITLE1_YPOS;
4174   int yoffset_setup = 16;
4175   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4176                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4177
4178   title_string = ti->infotext;
4179
4180   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4181
4182   clearMenuListArea();
4183
4184   for (i = 0; i < num_page_entries; i++)
4185   {
4186     TreeInfo *node, *node_first;
4187     int entry_pos = first_entry + i;
4188     int xpos = MENU_SCREEN_START_XPOS;
4189     int ypos = MENU_SCREEN_START_YPOS + i;
4190     int startx = amSX + xpos * 32;
4191     int starty = amSY + ypos * 32;
4192     int startx_text = startx + font_xoffset;
4193     int endx_text = amSX + screen_width;
4194     int max_text_size = endx_text - startx_text;
4195     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4196     char buffer[max_buffer_len + 1];
4197
4198     node_first = getTreeInfoFirstGroupEntry(ti);
4199     node = getTreeInfoFromPos(node_first, entry_pos);
4200
4201     strncpy(buffer, node->name, max_buffer_len);
4202     buffer[max_buffer_len] = '\0';
4203
4204     DrawText(startx, starty, buffer, font_nr + node->color);
4205
4206     if (node->parent_link)
4207       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4208     else if (node->level_group)
4209       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4210     else
4211       initCursor(i, IMG_MENU_BUTTON);
4212   }
4213
4214   redraw_mask |= REDRAW_FIELD;
4215 }
4216
4217 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4218 {
4219   TreeInfo *node, *node_first;
4220   int x, last_redraw_mask = redraw_mask;
4221   int ypos = MENU_TITLE2_YPOS;
4222   int font_nr = FONT_TITLE_2;
4223
4224   if (ti->type == TREE_TYPE_LEVEL_NR)
4225     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4226
4227   if (ti->type != TREE_TYPE_LEVEL_DIR)
4228     return;
4229
4230   node_first = getTreeInfoFirstGroupEntry(ti);
4231   node = getTreeInfoFromPos(node_first, entry_pos);
4232
4233   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4234
4235   if (node->parent_link)
4236     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4237                       node->node_parent->name);
4238   else if (node->level_group)
4239     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4240                       node->name);
4241   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4242     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4243                       node->levels, (node->levels > 1 ? "levels" : "level"),
4244                       node->class_desc);
4245
4246   // let BackToFront() redraw only what is needed
4247   redraw_mask = last_redraw_mask;
4248   for (x = 0; x < SCR_FIELDX; x++)
4249     MarkTileDirty(x, 1);
4250 }
4251
4252 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4253                              TreeInfo **ti_ptr)
4254 {
4255   TreeInfo *ti = *ti_ptr;
4256   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4257   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4258   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4259   int x = 0;
4260   int y = ti->cl_cursor;
4261   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4262   int num_entries = numTreeInfoInGroup(ti);
4263   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4264   boolean position_set_by_scrollbar = (dx == 999);
4265
4266   if (button == MB_MENU_INITIALIZE)
4267   {
4268     int num_entries = numTreeInfoInGroup(ti);
4269     int entry_pos = posTreeInfo(ti);
4270
4271     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4272     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4273
4274     if (ti->cl_first == -1)
4275     {
4276       // only on initialization
4277       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4278       ti->cl_cursor = entry_pos - ti->cl_first;
4279     }
4280     else if (ti->cl_cursor >= num_page_entries ||
4281              (num_entries > num_page_entries &&
4282               num_entries - ti->cl_first < num_page_entries))
4283     {
4284       // only after change of list size (by custom graphic configuration)
4285       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4286       ti->cl_cursor = entry_pos - ti->cl_first;
4287     }
4288
4289     if (position_set_by_scrollbar)
4290       ti->cl_first = dy;
4291     else
4292       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4293                                 ti->cl_first, ti);
4294
4295     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4296     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4297     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4298
4299     return;
4300   }
4301   else if (button == MB_MENU_LEAVE)
4302   {
4303     FadeSetLeaveMenu();
4304
4305     PlaySound(SND_MENU_ITEM_SELECTING);
4306
4307     if (ti->node_parent)
4308     {
4309       *ti_ptr = ti->node_parent;
4310       DrawChooseTree(ti_ptr);
4311     }
4312     else if (game_status == GAME_MODE_SETUP)
4313     {
4314       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4315           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4316           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4317         execSetupGame();
4318       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4319                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4320                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4321                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4322         execSetupGraphics();
4323       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4324                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4325                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4326         execSetupSound();
4327       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4328                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4329                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4330                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4331                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4332                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4333                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4334                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4335         execSetupTouch();
4336       else
4337         execSetupArtwork();
4338     }
4339     else
4340     {
4341       if (game_status == GAME_MODE_LEVELNR)
4342       {
4343         int new_level_nr = atoi(level_number_current->identifier);
4344
4345         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4346       }
4347
4348       SetGameStatus(GAME_MODE_MAIN);
4349
4350       DrawMainMenu();
4351     }
4352
4353     return;
4354   }
4355
4356   if (mx || my)         // mouse input
4357   {
4358     x = (mx - amSX) / 32;
4359     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4360   }
4361   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4362   {
4363     // move cursor instead of scrolling when already at start/end of list
4364     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4365       dy = -1;
4366     else if (dy == +1 * SCROLL_LINE &&
4367              ti->cl_first + num_page_entries == num_entries)
4368       dy = 1;
4369
4370     // handle scrolling screen one line or page
4371     if (ti->cl_cursor + dy < 0 ||
4372         ti->cl_cursor + dy > num_page_entries - 1)
4373     {
4374       boolean redraw = FALSE;
4375
4376       if (ABS(dy) == SCROLL_PAGE)
4377         step = num_page_entries - 1;
4378
4379       if (dy < 0 && ti->cl_first > 0)
4380       {
4381         // scroll page/line up
4382
4383         ti->cl_first -= step;
4384         if (ti->cl_first < 0)
4385           ti->cl_first = 0;
4386
4387         redraw = TRUE;
4388       }
4389       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4390       {
4391         // scroll page/line down
4392
4393         ti->cl_first += step;
4394         if (ti->cl_first + num_page_entries > num_entries)
4395           ti->cl_first = MAX(0, num_entries - num_page_entries);
4396
4397         redraw = TRUE;
4398       }
4399
4400       if (redraw)
4401       {
4402         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4403         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4404         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4405
4406         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4407                                   ti->cl_first, ti);
4408       }
4409
4410       return;
4411     }
4412
4413     // handle moving cursor one line
4414     y = ti->cl_cursor + dy;
4415   }
4416
4417   if (dx == 1)
4418   {
4419     TreeInfo *node_first, *node_cursor;
4420     int entry_pos = ti->cl_first + y;
4421
4422     node_first = getTreeInfoFirstGroupEntry(ti);
4423     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4424
4425     if (node_cursor->node_group)
4426     {
4427       FadeSetEnterMenu();
4428
4429       PlaySound(SND_MENU_ITEM_SELECTING);
4430
4431       node_cursor->cl_first = ti->cl_first;
4432       node_cursor->cl_cursor = ti->cl_cursor;
4433       *ti_ptr = node_cursor->node_group;
4434       DrawChooseTree(ti_ptr);
4435
4436       return;
4437     }
4438   }
4439   else if (dx == -1 && ti->node_parent)
4440   {
4441     FadeSetLeaveMenu();
4442
4443     PlaySound(SND_MENU_ITEM_SELECTING);
4444
4445     *ti_ptr = ti->node_parent;
4446     DrawChooseTree(ti_ptr);
4447
4448     return;
4449   }
4450
4451   if (!anyScrollbarGadgetActive() &&
4452       IN_VIS_MENU(x, y) &&
4453       mx < mx_right_border &&
4454       y >= 0 && y < num_page_entries)
4455   {
4456     if (button)
4457     {
4458       if (y != ti->cl_cursor)
4459       {
4460         PlaySound(SND_MENU_ITEM_ACTIVATING);
4461
4462         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4463         drawChooseTreeCursor(y, TRUE);
4464         drawChooseTreeInfo(ti->cl_first + y, ti);
4465
4466         ti->cl_cursor = y;
4467       }
4468       else if (dx < 0)
4469       {
4470         if (game_status == GAME_MODE_SETUP)
4471         {
4472           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4473               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4474               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4475             execSetupGame();
4476           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4477                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4478                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4479                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4480             execSetupGraphics();
4481           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4482                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4483                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4484             execSetupSound();
4485           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4486                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4487                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4488                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4489                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4490                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4491                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4492                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4493             execSetupTouch();
4494           else
4495             execSetupArtwork();
4496         }
4497       }
4498     }
4499     else
4500     {
4501       TreeInfo *node_first, *node_cursor;
4502       int entry_pos = ti->cl_first + y;
4503
4504       PlaySound(SND_MENU_ITEM_SELECTING);
4505
4506       node_first = getTreeInfoFirstGroupEntry(ti);
4507       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4508
4509       if (node_cursor->node_group)
4510       {
4511         FadeSetEnterMenu();
4512
4513         node_cursor->cl_first = ti->cl_first;
4514         node_cursor->cl_cursor = ti->cl_cursor;
4515         *ti_ptr = node_cursor->node_group;
4516         DrawChooseTree(ti_ptr);
4517       }
4518       else if (node_cursor->parent_link)
4519       {
4520         FadeSetLeaveMenu();
4521
4522         *ti_ptr = node_cursor->node_parent;
4523         DrawChooseTree(ti_ptr);
4524       }
4525       else
4526       {
4527         FadeSetEnterMenu();
4528
4529         node_cursor->cl_first = ti->cl_first;
4530         node_cursor->cl_cursor = ti->cl_cursor;
4531         *ti_ptr = node_cursor;
4532
4533         if (ti->type == TREE_TYPE_LEVEL_DIR)
4534         {
4535           LoadLevelSetup_SeriesInfo();
4536
4537           SaveLevelSetup_LastSeries();
4538           SaveLevelSetup_SeriesInfo();
4539           TapeErase();
4540         }
4541
4542         if (game_status == GAME_MODE_SETUP)
4543         {
4544           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4545               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4546               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4547             execSetupGame();
4548           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4549                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4550                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4551                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4552             execSetupGraphics();
4553           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4554                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4555                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4556             execSetupSound();
4557           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4558                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4559                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4560                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4561                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4562                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4563                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4564                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4565             execSetupTouch();
4566           else
4567             execSetupArtwork();
4568         }
4569         else
4570         {
4571           if (game_status == GAME_MODE_LEVELNR)
4572           {
4573             int new_level_nr = atoi(level_number_current->identifier);
4574
4575             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4576           }
4577
4578           SetGameStatus(GAME_MODE_MAIN);
4579
4580           DrawMainMenu();
4581         }
4582       }
4583     }
4584   }
4585 }
4586
4587 void DrawChoosePlayerName(void)
4588 {
4589   int i;
4590
4591   FadeMenuSoundsAndMusic();
4592
4593   if (player_name != NULL)
4594   {
4595     freeTreeInfo(player_name);
4596
4597     player_name = NULL;
4598   }
4599
4600   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4601   {
4602     boolean team_mode = (!network.enabled && setup.team_mode);
4603     int tree_type = (team_mode ? TREE_TYPE_PLAYER_TEAM : TREE_TYPE_PLAYER_NAME);
4604     TreeInfo *ti = newTreeInfo_setDefaults(tree_type);
4605     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4606     int value = i;
4607
4608     ti->node_top = &player_name;
4609     ti->sort_priority = 10000 + value;
4610     ti->color = FC_RED;
4611
4612     if (strEqual(global.user_names[i], EMPTY_PLAYER_NAME))
4613       ti->color = FC_BLUE;
4614
4615     snprintf(identifier, sizeof(identifier), "%d", value);
4616     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4617
4618     setString(&ti->identifier, identifier);
4619     setString(&ti->name, name);
4620     setString(&ti->name_sorting, name);
4621
4622     pushTreeInfo(&player_name, ti);
4623   }
4624
4625   // sort player entries by player number
4626   sortTreeInfo(&player_name);
4627
4628   // set current player entry to selected player entry
4629   player_name_current =
4630     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4631
4632   // if that fails, set current player name to first available name
4633   if (player_name_current == NULL)
4634     player_name_current = player_name;
4635
4636   DrawChooseTree(&player_name_current);
4637
4638   PlayMenuSoundsAndMusic();
4639 }
4640
4641 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4642 {
4643   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4644 }
4645
4646 void DrawChooseLevelSet(void)
4647 {
4648   FadeMenuSoundsAndMusic();
4649
4650   DrawChooseTree(&leveldir_current);
4651
4652   PlayMenuSoundsAndMusic();
4653 }
4654
4655 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4656 {
4657   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4658 }
4659
4660 void DrawChooseLevelNr(void)
4661 {
4662   int i;
4663
4664   FadeMenuSoundsAndMusic();
4665
4666   if (level_number != NULL)
4667   {
4668     freeTreeInfo(level_number);
4669
4670     level_number = NULL;
4671   }
4672
4673   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4674   {
4675     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4676     char identifier[32], name[64];
4677     int value = i;
4678
4679     // temporarily load level info to get level name
4680     LoadLevelInfoOnly(i);
4681
4682     ti->node_top = &level_number;
4683     ti->sort_priority = 10000 + value;
4684     ti->color = (level.no_level_file ? FC_BLUE :
4685                  LevelStats_getSolved(i) ? FC_GREEN :
4686                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4687
4688     snprintf(identifier, sizeof(identifier), "%d", value);
4689     snprintf(name, sizeof(name), "%03d: %s", value,
4690              (level.no_level_file ? "(no file)" : level.name));
4691
4692     setString(&ti->identifier, identifier);
4693     setString(&ti->name, name);
4694     setString(&ti->name_sorting, name);
4695
4696     pushTreeInfo(&level_number, ti);
4697   }
4698
4699   // sort level number values to start with lowest level number
4700   sortTreeInfo(&level_number);
4701
4702   // set current level number to current level number
4703   level_number_current =
4704     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4705
4706   // if that also fails, set current level number to first available level
4707   if (level_number_current == NULL)
4708     level_number_current = level_number;
4709
4710   DrawChooseTree(&level_number_current);
4711
4712   PlayMenuSoundsAndMusic();
4713 }
4714
4715 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4716 {
4717   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4718 }
4719
4720 void DrawHallOfFame(int level_nr, int highlight_position)
4721 {
4722   int fade_mask = REDRAW_FIELD;
4723
4724   if (CheckFadeAll())
4725     fade_mask = REDRAW_ALL;
4726
4727   UnmapAllGadgets();
4728   FadeMenuSoundsAndMusic();
4729
4730   // (this is needed when called from GameEnd() after winning a game)
4731   KeyboardAutoRepeatOn();
4732
4733   // (this is needed when called from GameEnd() after winning a game)
4734   SetDrawDeactivationMask(REDRAW_NONE);
4735   SetDrawBackgroundMask(REDRAW_FIELD);
4736
4737   if (highlight_position < 0)
4738     LoadScore(level_nr);
4739   else
4740     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4741
4742   FadeSetEnterScreen();
4743
4744   FadeOut(fade_mask);
4745
4746   // needed if different viewport properties defined for scores
4747   ChangeViewportPropertiesIfNeeded();
4748
4749   PlayMenuSoundsAndMusic();
4750
4751   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4752
4753   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4754
4755   DrawMaskedBorder(fade_mask);
4756
4757   FadeIn(fade_mask);
4758 }
4759
4760 static void drawHallOfFameList(int level_nr, int first_entry,
4761                                int highlight_position)
4762 {
4763   int i, j;
4764
4765   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4766   ClearField();
4767
4768   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4769   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4770                     "HighScores of Level %d", level_nr);
4771
4772   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4773   {
4774     int entry = first_entry + i;
4775     boolean active = (entry == highlight_position);
4776     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4777     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4778     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4779     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4780     int dxoff = getFontDrawOffsetX(font_nr1);
4781     int dx1 = 3 * getFontWidth(font_nr1);
4782     int dx2 = dx1 + getFontWidth(font_nr1);
4783     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4784     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4785     int sy = mSY + 64 + i * 32;
4786
4787     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4788     DrawText(mSX + dx1, sy, ".", font_nr1);
4789
4790     for (j = 0; j < num_dots; j++)
4791       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4792
4793     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4794       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4795
4796     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4797   }
4798
4799   redraw_mask |= REDRAW_FIELD;
4800 }
4801
4802 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4803 {
4804   static int level_nr = 0;
4805   static int first_entry = 0;
4806   static int highlight_position = 0;
4807   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4808
4809   if (button == MB_MENU_INITIALIZE)
4810   {
4811     level_nr = mx;
4812     first_entry = 0;
4813     highlight_position = my;
4814
4815     drawHallOfFameList(level_nr, first_entry, highlight_position);
4816
4817     return;
4818   }
4819
4820   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
4821     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4822
4823   if (dy < 0)
4824   {
4825     if (first_entry > 0)
4826     {
4827       first_entry -= step;
4828       if (first_entry < 0)
4829         first_entry = 0;
4830
4831       drawHallOfFameList(level_nr, first_entry, highlight_position);
4832     }
4833   }
4834   else if (dy > 0)
4835   {
4836     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4837     {
4838       first_entry += step;
4839       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4840         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4841
4842       drawHallOfFameList(level_nr, first_entry, highlight_position);
4843     }
4844   }
4845   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
4846   {
4847     PlaySound(SND_MENU_ITEM_SELECTING);
4848
4849     FadeSound(SND_BACKGROUND_SCORES);
4850
4851     if (button == MB_MENU_CHOICE &&
4852         game_status_last_screen == GAME_MODE_PLAYING &&
4853         setup.auto_play_next_level && setup.increment_levels &&
4854         level_nr < leveldir_current->last_level &&
4855         !network_playing)
4856     {
4857       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4858     }
4859     else
4860     {
4861       SetGameStatus(GAME_MODE_MAIN);
4862
4863       DrawMainMenu();
4864     }
4865   }
4866
4867   if (game_status == GAME_MODE_SCORES)
4868     PlayMenuSoundIfLoop();
4869 }
4870
4871
4872 // ============================================================================
4873 // setup screen functions
4874 // ============================================================================
4875
4876 static struct TokenInfo *setup_info;
4877 static int num_setup_info;      // number of setup entries shown on screen
4878 static int max_setup_info;      // total number of setup entries in list
4879
4880 static char *window_size_text;
4881 static char *scaling_type_text;
4882 static char *rendering_mode_text;
4883 static char *vsync_mode_text;
4884 static char *scroll_delay_text;
4885 static char *snapshot_mode_text;
4886 static char *game_speed_text;
4887 static char *network_server_text;
4888 static char *graphics_set_name;
4889 static char *sounds_set_name;
4890 static char *music_set_name;
4891 static char *volume_simple_text;
4892 static char *volume_loops_text;
4893 static char *volume_music_text;
4894 static char *touch_controls_text;
4895 static char *move_distance_text;
4896 static char *drop_distance_text;
4897 static char *transparency_text;
4898 static char *grid_size_text[2][2];
4899
4900 static void execSetupMain(void)
4901 {
4902   setup_mode = SETUP_MODE_MAIN;
4903
4904   DrawSetupScreen();
4905 }
4906
4907 static void execSetupGame_setGameSpeeds(boolean update_value)
4908 {
4909   if (setup.game_speed_extended)
4910   {
4911     game_speeds_list = game_speeds_list_extended;
4912     game_speeds      = game_speeds_extended;
4913   }
4914   else
4915   {
4916     game_speeds_list = game_speeds_list_normal;
4917     game_speeds      = game_speeds_normal;
4918   }
4919
4920   if (game_speeds == NULL)
4921   {
4922     int i;
4923
4924     for (i = 0; game_speeds_list[i].value != -1; i++)
4925     {
4926       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4927       char identifier[32], name[32];
4928       int value = game_speeds_list[i].value;
4929       char *text = game_speeds_list[i].text;
4930
4931       ti->node_top = &game_speeds;
4932       ti->sort_priority = 10000 - value;
4933
4934       sprintf(identifier, "%d", value);
4935       sprintf(name, "%s", text);
4936
4937       setString(&ti->identifier, identifier);
4938       setString(&ti->name, name);
4939       setString(&ti->name_sorting, name);
4940       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
4941
4942       pushTreeInfo(&game_speeds, ti);
4943     }
4944
4945     // sort game speed values to start with slowest game speed
4946     sortTreeInfo(&game_speeds);
4947
4948     update_value = TRUE;
4949   }
4950
4951   if (update_value)
4952   {
4953     // set current game speed to configured game speed value
4954     game_speed_current =
4955       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4956
4957     // if that fails, set current game speed to reliable default value
4958     if (game_speed_current == NULL)
4959       game_speed_current =
4960         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4961
4962     // if that also fails, set current game speed to first available speed
4963     if (game_speed_current == NULL)
4964       game_speed_current = game_speeds;
4965
4966     if (setup.game_speed_extended)
4967       game_speeds_extended = game_speeds;
4968     else
4969       game_speeds_normal = game_speeds;
4970   }
4971
4972   setup.game_frame_delay = atoi(game_speed_current->identifier);
4973
4974   // needed for displaying game speed text instead of identifier
4975   game_speed_text = game_speed_current->name;
4976 }
4977
4978 static void execSetupGame_setScrollDelays(void)
4979 {
4980   if (scroll_delays == NULL)
4981   {
4982     int i;
4983
4984     for (i = 0; scroll_delays_list[i].value != -1; i++)
4985     {
4986       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4987       char identifier[32], name[32];
4988       int value = scroll_delays_list[i].value;
4989       char *text = scroll_delays_list[i].text;
4990
4991       ti->node_top = &scroll_delays;
4992       ti->sort_priority = value;
4993
4994       sprintf(identifier, "%d", value);
4995       sprintf(name, "%s", text);
4996
4997       setString(&ti->identifier, identifier);
4998       setString(&ti->name, name);
4999       setString(&ti->name_sorting, name);
5000       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5001
5002       pushTreeInfo(&scroll_delays, ti);
5003     }
5004
5005     // sort scroll delay values to start with lowest scroll delay value
5006     sortTreeInfo(&scroll_delays);
5007
5008     // set current scroll delay value to configured scroll delay value
5009     scroll_delay_current =
5010       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5011
5012     // if that fails, set current scroll delay to reliable default value
5013     if (scroll_delay_current == NULL)
5014       scroll_delay_current =
5015         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5016
5017     // if that also fails, set current scroll delay to first available value
5018     if (scroll_delay_current == NULL)
5019       scroll_delay_current = scroll_delays;
5020   }
5021
5022   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5023
5024   // needed for displaying scroll delay text instead of identifier
5025   scroll_delay_text = scroll_delay_current->name;
5026 }
5027
5028 static void execSetupGame_setSnapshotModes(void)
5029 {
5030   if (snapshot_modes == NULL)
5031   {
5032     int i;
5033
5034     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5035     {
5036       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5037       char identifier[32], name[32];
5038       char *value = snapshot_modes_list[i].value;
5039       char *text = snapshot_modes_list[i].text;
5040
5041       ti->node_top = &snapshot_modes;
5042       ti->sort_priority = i;
5043
5044       sprintf(identifier, "%s", value);
5045       sprintf(name, "%s", text);
5046
5047       setString(&ti->identifier, identifier);
5048       setString(&ti->name, name);
5049       setString(&ti->name_sorting, name);
5050       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5051
5052       pushTreeInfo(&snapshot_modes, ti);
5053     }
5054
5055     // sort snapshot mode values to start with lowest snapshot mode value
5056     sortTreeInfo(&snapshot_modes);
5057
5058     // set current snapshot mode value to configured snapshot mode value
5059     snapshot_mode_current =
5060       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5061
5062     // if that fails, set current snapshot mode to reliable default value
5063     if (snapshot_mode_current == NULL)
5064       snapshot_mode_current =
5065         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5066
5067     // if that also fails, set current snapshot mode to first available value
5068     if (snapshot_mode_current == NULL)
5069       snapshot_mode_current = snapshot_modes;
5070   }
5071
5072   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5073
5074   // needed for displaying snapshot mode text instead of identifier
5075   snapshot_mode_text = snapshot_mode_current->name;
5076 }
5077
5078 static void execSetupGame_setNetworkServerText(void)
5079 {
5080   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5081   {
5082     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5083   }
5084   else
5085   {
5086     strncpy(network_server_hostname, setup.network_server_hostname,
5087             MAX_SETUP_TEXT_INPUT_LEN);
5088     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5089   }
5090
5091   // needed for displaying network server text instead of identifier
5092   network_server_text = network_server_hostname;
5093 }
5094
5095 static void execSetupGame(void)
5096 {
5097   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5098
5099   execSetupGame_setGameSpeeds(FALSE);
5100   execSetupGame_setScrollDelays();
5101   execSetupGame_setSnapshotModes();
5102
5103   execSetupGame_setNetworkServerText();
5104
5105   setup_mode = SETUP_MODE_GAME;
5106
5107   DrawSetupScreen();
5108
5109   // check if vsync needs to be disabled for this game speed to work
5110   if (check_vsync_mode)
5111     DisableVsyncIfNeeded();
5112 }
5113
5114 static void execSetupChooseGameSpeed(void)
5115 {
5116   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5117
5118   DrawSetupScreen();
5119 }
5120
5121 static void execSetupChooseScrollDelay(void)
5122 {
5123   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5124
5125   DrawSetupScreen();
5126 }
5127
5128 static void execSetupChooseSnapshotMode(void)
5129 {
5130   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5131
5132   DrawSetupScreen();
5133 }
5134
5135 static void execSetupEngines(void)
5136 {
5137   setup_mode = SETUP_MODE_ENGINES;
5138
5139   DrawSetupScreen();
5140 }
5141
5142 static void execSetupEditor(void)
5143 {
5144   setup_mode = SETUP_MODE_EDITOR;
5145
5146   DrawSetupScreen();
5147 }
5148
5149 static void execSetupGraphics_setWindowSizes(boolean update_list)
5150 {
5151   if (window_sizes != NULL && update_list)
5152   {
5153     freeTreeInfo(window_sizes);
5154
5155     window_sizes = NULL;
5156   }
5157
5158   if (window_sizes == NULL)
5159   {
5160     boolean current_window_size_found = FALSE;
5161     int i;
5162
5163     for (i = 0; window_sizes_list[i].value != -1; i++)
5164     {
5165       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5166       char identifier[32], name[32];
5167       int value = window_sizes_list[i].value;
5168       char *text = window_sizes_list[i].text;
5169
5170       ti->node_top = &window_sizes;
5171       ti->sort_priority = value;
5172
5173       sprintf(identifier, "%d", value);
5174       sprintf(name, "%s", text);
5175
5176       setString(&ti->identifier, identifier);
5177       setString(&ti->name, name);
5178       setString(&ti->name_sorting, name);
5179       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5180
5181       pushTreeInfo(&window_sizes, ti);
5182
5183       if (value == setup.window_scaling_percent)
5184         current_window_size_found = TRUE;
5185     }
5186
5187     if (!current_window_size_found)
5188     {
5189       // add entry for non-preset window scaling value
5190
5191       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5192       char identifier[32], name[32];
5193       int value = setup.window_scaling_percent;
5194
5195       ti->node_top = &window_sizes;
5196       ti->sort_priority = value;
5197
5198       sprintf(identifier, "%d", value);
5199       sprintf(name, "%d %% (Current)", value);
5200
5201       setString(&ti->identifier, identifier);
5202       setString(&ti->name, name);
5203       setString(&ti->name_sorting, name);
5204       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5205
5206       pushTreeInfo(&window_sizes, ti);
5207     }
5208
5209     // sort window size values to start with lowest window size value
5210     sortTreeInfo(&window_sizes);
5211
5212     // set current window size value to configured window size value
5213     window_size_current =
5214       getTreeInfoFromIdentifier(window_sizes,
5215                                 i_to_a(setup.window_scaling_percent));
5216
5217     // if that fails, set current window size to reliable default value
5218     if (window_size_current == NULL)
5219       window_size_current =
5220         getTreeInfoFromIdentifier(window_sizes,
5221                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5222
5223     // if that also fails, set current window size to first available value
5224     if (window_size_current == NULL)
5225       window_size_current = window_sizes;
5226   }
5227
5228   setup.window_scaling_percent = atoi(window_size_current->identifier);
5229
5230   // needed for displaying window size text instead of identifier
5231   window_size_text = window_size_current->name;
5232 }
5233
5234 static void execSetupGraphics_setScalingTypes(void)
5235 {
5236   if (scaling_types == NULL)
5237   {
5238     int i;
5239
5240     for (i = 0; scaling_types_list[i].value != NULL; i++)
5241     {
5242       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5243       char identifier[32], name[32];
5244       char *value = scaling_types_list[i].value;
5245       char *text = scaling_types_list[i].text;
5246
5247       ti->node_top = &scaling_types;
5248       ti->sort_priority = i;
5249
5250       sprintf(identifier, "%s", value);
5251       sprintf(name, "%s", text);
5252
5253       setString(&ti->identifier, identifier);
5254       setString(&ti->name, name);
5255       setString(&ti->name_sorting, name);
5256       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5257
5258       pushTreeInfo(&scaling_types, ti);
5259     }
5260
5261     // sort scaling type values to start with lowest scaling type value
5262     sortTreeInfo(&scaling_types);
5263
5264     // set current scaling type value to configured scaling type value
5265     scaling_type_current =
5266       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5267
5268     // if that fails, set current scaling type to reliable default value
5269     if (scaling_type_current == NULL)
5270       scaling_type_current =
5271         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5272
5273     // if that also fails, set current scaling type to first available value
5274     if (scaling_type_current == NULL)
5275       scaling_type_current = scaling_types;
5276   }
5277
5278   setup.window_scaling_quality = scaling_type_current->identifier;
5279
5280   // needed for displaying scaling type text instead of identifier
5281   scaling_type_text = scaling_type_current->name;
5282 }
5283
5284 static void execSetupGraphics_setRenderingModes(void)
5285 {
5286   if (rendering_modes == NULL)
5287   {
5288     int i;
5289
5290     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5291     {
5292       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5293       char identifier[32], name[32];
5294       char *value = rendering_modes_list[i].value;
5295       char *text = rendering_modes_list[i].text;
5296
5297       ti->node_top = &rendering_modes;
5298       ti->sort_priority = i;
5299
5300       sprintf(identifier, "%s", value);
5301       sprintf(name, "%s", text);
5302
5303       setString(&ti->identifier, identifier);
5304       setString(&ti->name, name);
5305       setString(&ti->name_sorting, name);
5306       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5307
5308       pushTreeInfo(&rendering_modes, ti);
5309     }
5310
5311     // sort rendering mode values to start with lowest rendering mode value
5312     sortTreeInfo(&rendering_modes);
5313
5314     // set current rendering mode value to configured rendering mode value
5315     rendering_mode_current =
5316       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5317
5318     // if that fails, set current rendering mode to reliable default value
5319     if (rendering_mode_current == NULL)
5320       rendering_mode_current =
5321         getTreeInfoFromIdentifier(rendering_modes,
5322                                   STR_SPECIAL_RENDERING_DEFAULT);
5323
5324     // if that also fails, set current rendering mode to first available one
5325     if (rendering_mode_current == NULL)
5326       rendering_mode_current = rendering_modes;
5327   }
5328
5329   setup.screen_rendering_mode = rendering_mode_current->identifier;
5330
5331   // needed for displaying rendering mode text instead of identifier
5332   rendering_mode_text = rendering_mode_current->name;
5333 }
5334
5335 static void execSetupGraphics_setVsyncModes(boolean update_value)
5336 {
5337   if (vsync_modes == NULL)
5338   {
5339     int i;
5340
5341     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5342     {
5343       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5344       char identifier[32], name[32];
5345       char *value = vsync_modes_list[i].value;
5346       char *text = vsync_modes_list[i].text;
5347
5348       ti->node_top = &vsync_modes;
5349       ti->sort_priority = i;
5350
5351       sprintf(identifier, "%s", value);
5352       sprintf(name, "%s", text);
5353
5354       setString(&ti->identifier, identifier);
5355       setString(&ti->name, name);
5356       setString(&ti->name_sorting, name);
5357       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5358
5359       pushTreeInfo(&vsync_modes, ti);
5360     }
5361
5362     // sort vsync mode values to start with lowest vsync mode value
5363     sortTreeInfo(&vsync_modes);
5364
5365     update_value = TRUE;
5366   }
5367
5368   if (update_value)
5369   {
5370     // set current vsync mode value to configured vsync mode value
5371     vsync_mode_current =
5372       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5373
5374     // if that fails, set current vsync mode to reliable default value
5375     if (vsync_mode_current == NULL)
5376       vsync_mode_current =
5377         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5378
5379     // if that also fails, set current vsync mode to first available one
5380     if (vsync_mode_current == NULL)
5381       vsync_mode_current = vsync_modes;
5382   }
5383
5384   setup.vsync_mode = vsync_mode_current->identifier;
5385
5386   // needed for displaying vsync mode text instead of identifier
5387   vsync_mode_text = vsync_mode_current->name;
5388 }
5389
5390 static void execSetupGraphics(void)
5391 {
5392   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5393
5394   // update "setup.window_scaling_percent" from list selection
5395   // (in this case, window scaling was changed on setup screen)
5396   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5397     execSetupGraphics_setWindowSizes(FALSE);
5398
5399   // update "setup.vsync_mode" from list selection
5400   // (in this case, vsync mode was changed on setup screen)
5401   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5402     execSetupGraphics_setVsyncModes(FALSE);
5403
5404   // update list selection from "setup.window_scaling_percent"
5405   // (window scaling may have changed by resizing the window)
5406   execSetupGraphics_setWindowSizes(TRUE);
5407
5408   // update list selection from "setup.vsync_mode"
5409   // (vsync_mode may have changed by re-creating the renderer)
5410   execSetupGraphics_setVsyncModes(TRUE);
5411
5412   execSetupGraphics_setScalingTypes();
5413   execSetupGraphics_setRenderingModes();
5414
5415   setup_mode = SETUP_MODE_GRAPHICS;
5416
5417   DrawSetupScreen();
5418
5419   // check if game speed is high enough for 60 Hz vsync to work
5420   if (check_game_speed)
5421     ModifyGameSpeedIfNeeded();
5422
5423   // window scaling may have changed at this point
5424   ChangeWindowScalingIfNeeded();
5425
5426   // window scaling quality may have changed at this point
5427   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5428     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5429
5430   // screen rendering mode may have changed at this point
5431   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5432
5433   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5434   int video_vsync_mode = video.vsync_mode;
5435
5436   // screen vsync mode may have changed at this point
5437   ChangeVsyncModeIfNeeded();
5438
5439   // check if setting vsync mode to selected value failed
5440   if (setup_vsync_mode != video_vsync_mode &&
5441       setup_vsync_mode != video.vsync_mode)
5442   {
5443     // changing vsync mode to selected value failed -- reset displayed value
5444     execSetupGraphics_setVsyncModes(TRUE);
5445
5446     Request("Setting VSync failed!", REQ_CONFIRM);
5447
5448     DrawSetupScreen();
5449   }
5450 }
5451
5452 static void execSetupChooseWindowSize(void)
5453 {
5454   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5455
5456   DrawSetupScreen();
5457 }
5458
5459 static void execSetupChooseScalingType(void)
5460 {
5461   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5462
5463   DrawSetupScreen();
5464 }
5465
5466 static void execSetupChooseRenderingMode(void)
5467 {
5468   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5469
5470   DrawSetupScreen();
5471 }
5472
5473 static void execSetupChooseVsyncMode(void)
5474 {
5475   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5476
5477   DrawSetupScreen();
5478 }
5479
5480 static void execSetupChooseVolumeSimple(void)
5481 {
5482   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5483
5484   DrawSetupScreen();
5485 }
5486
5487 static void execSetupChooseVolumeLoops(void)
5488 {
5489   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5490
5491   DrawSetupScreen();
5492 }
5493
5494 static void execSetupChooseVolumeMusic(void)
5495 {
5496   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5497
5498   DrawSetupScreen();
5499 }
5500
5501 static void execSetupSound(void)
5502 {
5503   if (volumes_simple == NULL)
5504   {
5505     boolean current_volume_simple_found = FALSE;
5506     int i;
5507
5508     for (i = 0; volumes_list[i].value != -1; i++)
5509     {
5510       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5511       char identifier[32], name[32];
5512       int value = volumes_list[i].value;
5513       char *text = volumes_list[i].text;
5514
5515       ti->node_top = &volumes_simple;
5516       ti->sort_priority = value;
5517
5518       sprintf(identifier, "%d", value);
5519       sprintf(name, "%s", text);
5520
5521       setString(&ti->identifier, identifier);
5522       setString(&ti->name, name);
5523       setString(&ti->name_sorting, name);
5524       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5525
5526       pushTreeInfo(&volumes_simple, ti);
5527
5528       if (value == setup.volume_simple)
5529         current_volume_simple_found = TRUE;
5530     }
5531
5532     if (!current_volume_simple_found)
5533     {
5534       // add entry for non-preset volume value
5535
5536       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5537       char identifier[32], name[32];
5538       int value = setup.volume_simple;
5539
5540       ti->node_top = &volumes_simple;
5541       ti->sort_priority = value;
5542
5543       sprintf(identifier, "%d", value);
5544       sprintf(name, "%d %% (Current)", value);
5545
5546       setString(&ti->identifier, identifier);
5547       setString(&ti->name, name);
5548       setString(&ti->name_sorting, name);
5549       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5550
5551       pushTreeInfo(&volumes_simple, ti);
5552     }
5553
5554     // sort volume values to start with lowest volume value
5555     sortTreeInfo(&volumes_simple);
5556
5557     // set current volume value to configured volume value
5558     volume_simple_current =
5559       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5560
5561     // if that fails, set current volume to reliable default value
5562     if (volume_simple_current == NULL)
5563       volume_simple_current =
5564         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5565
5566     // if that also fails, set current volume to first available value
5567     if (volume_simple_current == NULL)
5568       volume_simple_current = volumes_simple;
5569   }
5570
5571   if (volumes_loops == NULL)
5572   {
5573     boolean current_volume_loops_found = FALSE;
5574     int i;
5575
5576     for (i = 0; volumes_list[i].value != -1; i++)
5577     {
5578       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5579       char identifier[32], name[32];
5580       int value = volumes_list[i].value;
5581       char *text = volumes_list[i].text;
5582
5583       ti->node_top = &volumes_loops;
5584       ti->sort_priority = value;
5585
5586       sprintf(identifier, "%d", value);
5587       sprintf(name, "%s", text);
5588
5589       setString(&ti->identifier, identifier);
5590       setString(&ti->name, name);
5591       setString(&ti->name_sorting, name);
5592       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5593
5594       pushTreeInfo(&volumes_loops, ti);
5595
5596       if (value == setup.volume_loops)
5597         current_volume_loops_found = TRUE;
5598     }
5599
5600     if (!current_volume_loops_found)
5601     {
5602       // add entry for non-preset volume value
5603
5604       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5605       char identifier[32], name[32];
5606       int value = setup.volume_loops;
5607
5608       ti->node_top = &volumes_loops;
5609       ti->sort_priority = value;
5610
5611       sprintf(identifier, "%d", value);
5612       sprintf(name, "%d %% (Current)", value);
5613
5614       setString(&ti->identifier, identifier);
5615       setString(&ti->name, name);
5616       setString(&ti->name_sorting, name);
5617       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5618
5619       pushTreeInfo(&volumes_loops, ti);
5620     }
5621
5622     // sort volume values to start with lowest volume value
5623     sortTreeInfo(&volumes_loops);
5624
5625     // set current volume value to configured volume value
5626     volume_loops_current =
5627       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5628
5629     // if that fails, set current volume to reliable default value
5630     if (volume_loops_current == NULL)
5631       volume_loops_current =
5632         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5633
5634     // if that also fails, set current volume to first available value
5635     if (volume_loops_current == NULL)
5636       volume_loops_current = volumes_loops;
5637   }
5638
5639   if (volumes_music == NULL)
5640   {
5641     boolean current_volume_music_found = FALSE;
5642     int i;
5643
5644     for (i = 0; volumes_list[i].value != -1; i++)
5645     {
5646       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5647       char identifier[32], name[32];
5648       int value = volumes_list[i].value;
5649       char *text = volumes_list[i].text;
5650
5651       ti->node_top = &volumes_music;
5652       ti->sort_priority = value;
5653
5654       sprintf(identifier, "%d", value);
5655       sprintf(name, "%s", text);
5656
5657       setString(&ti->identifier, identifier);
5658       setString(&ti->name, name);
5659       setString(&ti->name_sorting, name);
5660       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5661
5662       pushTreeInfo(&volumes_music, ti);
5663
5664       if (value == setup.volume_music)
5665         current_volume_music_found = TRUE;
5666     }
5667
5668     if (!current_volume_music_found)
5669     {
5670       // add entry for non-preset volume value
5671
5672       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5673       char identifier[32], name[32];
5674       int value = setup.volume_music;
5675
5676       ti->node_top = &volumes_music;
5677       ti->sort_priority = value;
5678
5679       sprintf(identifier, "%d", value);
5680       sprintf(name, "%d %% (Current)", value);
5681
5682       setString(&ti->identifier, identifier);
5683       setString(&ti->name, name);
5684       setString(&ti->name_sorting, name);
5685       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5686
5687       pushTreeInfo(&volumes_music, ti);
5688     }
5689
5690     // sort volume values to start with lowest volume value
5691     sortTreeInfo(&volumes_music);
5692
5693     // set current volume value to configured volume value
5694     volume_music_current =
5695       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5696
5697     // if that fails, set current volume to reliable default value
5698     if (volume_music_current == NULL)
5699       volume_music_current =
5700         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5701
5702     // if that also fails, set current volume to first available value
5703     if (volume_music_current == NULL)
5704       volume_music_current = volumes_music;
5705   }
5706
5707   setup.volume_simple = atoi(volume_simple_current->identifier);
5708   setup.volume_loops  = atoi(volume_loops_current->identifier);
5709   setup.volume_music  = atoi(volume_music_current->identifier);
5710
5711   // needed for displaying volume text instead of identifier
5712   volume_simple_text = volume_simple_current->name;
5713   volume_loops_text = volume_loops_current->name;
5714   volume_music_text = volume_music_current->name;
5715
5716   setup_mode = SETUP_MODE_SOUND;
5717
5718   DrawSetupScreen();
5719 }
5720
5721 static void execSetupChooseTouchControls(void)
5722 {
5723   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5724
5725   DrawSetupScreen();
5726 }
5727
5728 static void execSetupChooseMoveDistance(void)
5729 {
5730   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5731
5732   DrawSetupScreen();
5733 }
5734
5735 static void execSetupChooseDropDistance(void)
5736 {
5737   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5738
5739   DrawSetupScreen();
5740 }
5741
5742 static void execSetupChooseTransparency(void)
5743 {
5744   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5745
5746   DrawSetupScreen();
5747 }
5748
5749 static void execSetupChooseGridXSize_0(void)
5750 {
5751   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5752
5753   DrawSetupScreen();
5754 }
5755
5756 static void execSetupChooseGridYSize_0(void)
5757 {
5758   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5759
5760   DrawSetupScreen();
5761 }
5762
5763 static void execSetupChooseGridXSize_1(void)
5764 {
5765   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5766
5767   DrawSetupScreen();
5768 }
5769
5770 static void execSetupChooseGridYSize_1(void)
5771 {
5772   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5773
5774   DrawSetupScreen();
5775 }
5776
5777 static void execSetupConfigureVirtualButtons(void)
5778 {
5779   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5780
5781   ConfigureVirtualButtons();
5782
5783   setup_mode = SETUP_MODE_TOUCH;
5784
5785   DrawSetupScreen();
5786 }
5787
5788 static void execSetupTouch(void)
5789 {
5790   int i, j, k;
5791
5792   if (touch_controls == NULL)
5793   {
5794     for (i = 0; touch_controls_list[i].value != NULL; i++)
5795     {
5796       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5797       char identifier[32], name[32];
5798       char *value = touch_controls_list[i].value;
5799       char *text = touch_controls_list[i].text;
5800
5801       ti->node_top = &touch_controls;
5802       ti->sort_priority = i;
5803
5804       sprintf(identifier, "%s", value);
5805       sprintf(name, "%s", text);
5806
5807       setString(&ti->identifier, identifier);
5808       setString(&ti->name, name);
5809       setString(&ti->name_sorting, name);
5810       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5811
5812       pushTreeInfo(&touch_controls, ti);
5813     }
5814
5815     // sort touch control values to start with lowest touch control value
5816     sortTreeInfo(&touch_controls);
5817
5818     // set current touch control value to configured touch control value
5819     touch_control_current =
5820       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5821
5822     // if that fails, set current touch control to reliable default value
5823     if (touch_control_current == NULL)
5824       touch_control_current =
5825         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5826
5827     // if that also fails, set current touch control to first available value
5828     if (touch_control_current == NULL)
5829       touch_control_current = touch_controls;
5830   }
5831
5832   if (move_distances == NULL)
5833   {
5834     for (i = 0; distances_list[i].value != -1; i++)
5835     {
5836       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5837       char identifier[32], name[32];
5838       int value = distances_list[i].value;
5839       char *text = distances_list[i].text;
5840
5841       ti->node_top = &move_distances;
5842       ti->sort_priority = value;
5843
5844       sprintf(identifier, "%d", value);
5845       sprintf(name, "%s", text);
5846
5847       setString(&ti->identifier, identifier);
5848       setString(&ti->name, name);
5849       setString(&ti->name_sorting, name);
5850       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5851
5852       pushTreeInfo(&move_distances, ti);
5853     }
5854
5855     // sort distance values to start with lowest distance value
5856     sortTreeInfo(&move_distances);
5857
5858     // set current distance value to configured distance value
5859     move_distance_current =
5860       getTreeInfoFromIdentifier(move_distances,
5861                                 i_to_a(setup.touch.move_distance));
5862
5863     // if that fails, set current distance to reliable default value
5864     if (move_distance_current == NULL)
5865       move_distance_current =
5866         getTreeInfoFromIdentifier(move_distances,
5867                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
5868
5869     // if that also fails, set current distance to first available value
5870     if (move_distance_current == NULL)
5871       move_distance_current = move_distances;
5872   }
5873
5874   if (drop_distances == NULL)
5875   {
5876     for (i = 0; distances_list[i].value != -1; i++)
5877     {
5878       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5879       char identifier[32], name[32];
5880       int value = distances_list[i].value;
5881       char *text = distances_list[i].text;
5882
5883       ti->node_top = &drop_distances;
5884       ti->sort_priority = value;
5885
5886       sprintf(identifier, "%d", value);
5887       sprintf(name, "%s", text);
5888
5889       setString(&ti->identifier, identifier);
5890       setString(&ti->name, name);
5891       setString(&ti->name_sorting, name);
5892       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5893
5894       pushTreeInfo(&drop_distances, ti);
5895     }
5896
5897     // sort distance values to start with lowest distance value
5898     sortTreeInfo(&drop_distances);
5899
5900     // set current distance value to configured distance value
5901     drop_distance_current =
5902       getTreeInfoFromIdentifier(drop_distances,
5903                                 i_to_a(setup.touch.drop_distance));
5904
5905     // if that fails, set current distance to reliable default value
5906     if (drop_distance_current == NULL)
5907       drop_distance_current =
5908         getTreeInfoFromIdentifier(drop_distances,
5909                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
5910
5911     // if that also fails, set current distance to first available value
5912     if (drop_distance_current == NULL)
5913       drop_distance_current = drop_distances;
5914   }
5915
5916   if (transparencies == NULL)
5917   {
5918     for (i = 0; transparencies_list[i].value != -1; i++)
5919     {
5920       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5921       char identifier[32], name[32];
5922       int value = transparencies_list[i].value;
5923       char *text = transparencies_list[i].text;
5924
5925       ti->node_top = &transparencies;
5926       ti->sort_priority = value;
5927
5928       sprintf(identifier, "%d", value);
5929       sprintf(name, "%s", text);
5930
5931       setString(&ti->identifier, identifier);
5932       setString(&ti->name, name);
5933       setString(&ti->name_sorting, name);
5934       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
5935
5936       pushTreeInfo(&transparencies, ti);
5937     }
5938
5939     // sort transparency values to start with lowest transparency value
5940     sortTreeInfo(&transparencies);
5941
5942     // set current transparency value to configured transparency value
5943     transparency_current =
5944       getTreeInfoFromIdentifier(transparencies,
5945                                 i_to_a(setup.touch.transparency));
5946
5947     // if that fails, set current transparency to reliable default value
5948     if (transparency_current == NULL)
5949       transparency_current =
5950         getTreeInfoFromIdentifier(transparencies,
5951                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
5952
5953     // if that also fails, set current transparency to first available value
5954     if (transparency_current == NULL)
5955       transparency_current = transparencies;
5956   }
5957
5958   for (i = 0; i < 2; i++)
5959   {
5960     for (j = 0; j < 2; j++)
5961     {
5962       if (grid_sizes[i][j] == NULL)
5963       {
5964         for (k = 0; grid_sizes_list[k].value != -1; k++)
5965         {
5966           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5967           char identifier[32], name[32];
5968           int value = grid_sizes_list[k].value;
5969           char *text = grid_sizes_list[k].text;
5970
5971           ti->node_top = &grid_sizes[i][j];
5972           ti->sort_priority = value;
5973
5974           sprintf(identifier, "%d", value);
5975           sprintf(name, "%s", text);
5976
5977           setString(&ti->identifier, identifier);
5978           setString(&ti->name, name);
5979           setString(&ti->name_sorting, name);
5980           setString(&ti->infotext,
5981                     (i == 0 ?
5982                      (j == 0 ?
5983                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
5984                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
5985                      (j == 0 ?
5986                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
5987                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
5988
5989           pushTreeInfo(&grid_sizes[i][j], ti);
5990         }
5991
5992         // sort grid size values to start with lowest grid size value
5993         sortTreeInfo(&grid_sizes[i][j]);
5994
5995         // set current grid size value to configured grid size value
5996         grid_size_current[i][j] =
5997           getTreeInfoFromIdentifier(grid_sizes[i][j],
5998                                     i_to_a(j == 0 ?
5999                                            setup.touch.grid_xsize[i] :
6000                                            setup.touch.grid_ysize[i]));
6001
6002         // if that fails, set current grid size to reliable default value
6003         if (grid_size_current[i][j] == NULL)
6004           grid_size_current[i][j] =
6005             getTreeInfoFromIdentifier(grid_sizes[i][j],
6006                                       i_to_a(j == 0 ?
6007                                              DEFAULT_GRID_XSIZE(i) :
6008                                              DEFAULT_GRID_YSIZE(i)));
6009
6010         // if that also fails, set current grid size to first available value
6011         if (grid_size_current[i][j] == NULL)
6012           grid_size_current[i][j] = grid_sizes[i][j];
6013       }
6014     }
6015   }
6016
6017   setup.touch.control_type = touch_control_current->identifier;
6018   setup.touch.move_distance = atoi(move_distance_current->identifier);
6019   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6020   setup.touch.transparency = atoi(transparency_current->identifier);
6021
6022   for (i = 0; i < 2; i++)
6023   {
6024     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6025     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6026
6027     if (i == GRID_ACTIVE_NR())
6028     {
6029       overlay.grid_xsize = setup.touch.grid_xsize[i];
6030       overlay.grid_ysize = setup.touch.grid_ysize[i];
6031     }
6032   }
6033
6034   // needed for displaying value text instead of identifier
6035   touch_controls_text = touch_control_current->name;
6036   move_distance_text = move_distance_current->name;
6037   drop_distance_text = drop_distance_current->name;
6038   transparency_text = transparency_current->name;
6039
6040   for (i = 0; i < 2; i++)
6041     for (j = 0; j < 2; j++)
6042       grid_size_text[i][j] = grid_size_current[i][j]->name;
6043
6044   setup_mode = SETUP_MODE_TOUCH;
6045
6046   DrawSetupScreen();
6047 }
6048
6049 static void execSetupArtwork(void)
6050 {
6051 #if 0
6052   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6053         artwork.gfx_current->subdir,
6054         artwork.gfx_current->fullpath,
6055         artwork.gfx_current->basepath);
6056 #endif
6057
6058   setup.graphics_set = artwork.gfx_current->identifier;
6059   setup.sounds_set = artwork.snd_current->identifier;
6060   setup.music_set = artwork.mus_current->identifier;
6061
6062   // needed if last screen (setup choice) changed graphics, sounds or music
6063   ReloadCustomArtwork(0);
6064
6065   // needed for displaying artwork name instead of artwork identifier
6066   graphics_set_name = artwork.gfx_current->name;
6067   sounds_set_name = artwork.snd_current->name;
6068   music_set_name = artwork.mus_current->name;
6069
6070   setup_mode = SETUP_MODE_ARTWORK;
6071
6072   DrawSetupScreen();
6073 }
6074
6075 static void execSetupChooseGraphics(void)
6076 {
6077   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6078
6079   DrawSetupScreen();
6080 }
6081
6082 static void execSetupChooseSounds(void)
6083 {
6084   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6085
6086   DrawSetupScreen();
6087 }
6088
6089 static void execSetupChooseMusic(void)
6090 {
6091   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6092
6093   DrawSetupScreen();
6094 }
6095
6096 static void execSetupInput(void)
6097 {
6098   setup_mode = SETUP_MODE_INPUT;
6099
6100   DrawSetupScreen();
6101 }
6102
6103 static void execSetupShortcuts(void)
6104 {
6105   setup_mode = SETUP_MODE_SHORTCUTS;
6106
6107   DrawSetupScreen();
6108 }
6109
6110 static void execSetupShortcuts1(void)
6111 {
6112   setup_mode = SETUP_MODE_SHORTCUTS_1;
6113
6114   DrawSetupScreen();
6115 }
6116
6117 static void execSetupShortcuts2(void)
6118 {
6119   setup_mode = SETUP_MODE_SHORTCUTS_2;
6120
6121   DrawSetupScreen();
6122 }
6123
6124 static void execSetupShortcuts3(void)
6125 {
6126   setup_mode = SETUP_MODE_SHORTCUTS_3;
6127
6128   DrawSetupScreen();
6129 }
6130
6131 static void execSetupShortcuts4(void)
6132 {
6133   setup_mode = SETUP_MODE_SHORTCUTS_4;
6134
6135   DrawSetupScreen();
6136 }
6137
6138 static void execSetupShortcuts5(void)
6139 {
6140   setup_mode = SETUP_MODE_SHORTCUTS_5;
6141
6142   DrawSetupScreen();
6143 }
6144
6145 static void execExitSetup(void)
6146 {
6147   SetGameStatus(GAME_MODE_MAIN);
6148
6149   DrawMainMenu();
6150 }
6151
6152 static void execSaveAndExitSetup(void)
6153 {
6154   SaveSetup();
6155   execExitSetup();
6156 }
6157
6158 static void execGadgetNetworkServer(void)
6159 {
6160   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6161   struct GadgetInfo *gi = screen_gadget[gadget_id];
6162
6163   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6164     network_server_hostname[0] = '\0';
6165
6166   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6167
6168   MapGadget(gi);
6169
6170   ClickOnGadget(gi, MB_LEFTBUTTON);
6171 }
6172
6173 static void ToggleNetworkModeIfNeeded(void)
6174 {
6175   int font_title = FONT_TITLE_1;
6176   int font_foot = FC_BLUE;
6177   int ystart  = mSY - SY + 16;
6178   int ybottom = mSY - SY + SYSIZE - 20;
6179   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6180
6181   if (setup.network_mode == network.enabled)
6182     return;
6183
6184   network.enabled = setup.network_mode;
6185
6186   FadeOut(REDRAW_ALL);
6187
6188   ClearField();
6189
6190   DrawTextSCentered(ystart, font_title, text);
6191
6192   FadeIn(REDRAW_ALL);
6193
6194   if (network.enabled)
6195     InitNetworkServer();
6196   else
6197     DisconnectFromNetworkServer();
6198
6199   DrawTextSCentered(ybottom, font_foot,
6200                     "Press any key or button for setup menu");
6201
6202   WaitForEventToContinue();
6203
6204   DrawSetupScreen();
6205 }
6206
6207 static void ToggleGameSpeedsListIfNeeded(void)
6208 {
6209   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6210
6211   if (setup.game_speed_extended == using_game_speeds_extended)
6212     return;
6213
6214   // try to match similar values when changing game speeds list
6215   if (setup.game_speed_extended)
6216     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6217                               setup.game_frame_delay == 30 ? 29 :
6218                               setup.game_frame_delay);
6219   else
6220     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6221                               setup.game_frame_delay == 16 ? 15 :
6222                               setup.game_frame_delay >= 29 ? 30 :
6223                               setup.game_frame_delay <= 10 ? 10 :
6224                               setup.game_frame_delay);
6225
6226   execSetupGame_setGameSpeeds(TRUE);
6227
6228   DrawSetupScreen();
6229 }
6230
6231 static void ModifyGameSpeedIfNeeded(void)
6232 {
6233   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6234       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6235     return;
6236
6237   char message[100];
6238   char *game_speed_text = "Fast";
6239   int game_speed_value = 15;
6240
6241   if (setup.game_speed_extended)
6242   {
6243     game_speed_text = "60 fps";
6244     game_speed_value = 16;
6245   }
6246
6247   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6248
6249   // set game speed to existing list value that is fast enough for vsync
6250   setup.game_frame_delay = game_speed_value;
6251
6252   execSetupGame_setGameSpeeds(TRUE);
6253
6254   Request(message, REQ_CONFIRM);
6255 }
6256
6257 static void DisableVsyncIfNeeded(void)
6258 {
6259   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6260       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6261        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6262     return;
6263
6264   // disable vsync for the selected game speed to work
6265   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6266
6267   execSetupGraphics_setVsyncModes(TRUE);
6268
6269   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6270 }
6271
6272 static struct
6273 {
6274   void *value;
6275   void *related_value;
6276 } hide_related_entry_list[] =
6277 {
6278   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6279   { &setup.game_frame_delay,            &game_speed_text                },
6280
6281   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6282   { &setup.scroll_delay_value,          &scroll_delay_text              },
6283
6284   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6285   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6286
6287   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6288   { &setup.window_scaling_percent,      &window_size_text               },
6289
6290   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6291   { &setup.window_scaling_quality,      &scaling_type_text              },
6292
6293   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6294   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6295
6296   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6297   { &setup.vsync_mode,                  &vsync_mode_text                },
6298
6299   { &setup.graphics_set,                execSetupChooseGraphics         },
6300   { &setup.graphics_set,                &graphics_set_name              },
6301
6302   { &setup.sounds_set,                  execSetupChooseSounds           },
6303   { &setup.sounds_set,                  &sounds_set_name                },
6304
6305   { &setup.music_set,                   execSetupChooseMusic            },
6306   { &setup.music_set,                   &music_set_name                 },
6307
6308   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6309   { &setup.volume_simple,               &volume_simple_text             },
6310
6311   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6312   { &setup.volume_loops,                &volume_loops_text              },
6313
6314   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6315   { &setup.volume_music,                &volume_music_text              },
6316
6317   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6318   { &setup.touch.control_type,          &touch_controls_text            },
6319
6320   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6321   { &setup.touch.move_distance,         &move_distance_text             },
6322
6323   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6324   { &setup.touch.drop_distance,         &drop_distance_text             },
6325
6326   { &setup.touch.transparency,          execSetupChooseTransparency     },
6327   { &setup.touch.transparency,          &transparency_text              },
6328
6329   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6330   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6331
6332   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6333   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6334
6335   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6336   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6337
6338   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6339   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6340
6341   { &setup.internal.menu_game,          execSetupGame                   },
6342   { &setup.internal.menu_engines,       execSetupEngines                },
6343   { &setup.internal.menu_editor,        execSetupEditor                 },
6344   { &setup.internal.menu_graphics,      execSetupGraphics               },
6345   { &setup.internal.menu_sound,         execSetupSound                  },
6346   { &setup.internal.menu_artwork,       execSetupArtwork                },
6347   { &setup.internal.menu_input,         execSetupInput                  },
6348   { &setup.internal.menu_touch,         execSetupTouch                  },
6349   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6350   { &setup.internal.menu_exit,          execExitSetup                   },
6351   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6352
6353   { NULL,                               NULL                            }
6354 };
6355
6356 void setHideRelatedSetupEntries(void)
6357 {
6358   int i;
6359
6360   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6361     if (hideSetupEntry(hide_related_entry_list[i].value))
6362       setHideSetupEntry(hide_related_entry_list[i].related_value);
6363 }
6364
6365 static struct TokenInfo setup_info_main[] =
6366 {
6367   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6368   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6369   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6370   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6371   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6372   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6373   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6374   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6375   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6376   { TYPE_EMPTY,         NULL,                   ""                      },
6377   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6378   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6379
6380   { 0,                  NULL,                   NULL                    }
6381 };
6382
6383 static struct TokenInfo setup_info_game[] =
6384 {
6385   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6386   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6387   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6388   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6389   { TYPE_STRING,        &network_server_text,   ""                      },
6390   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6391   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6392   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6393   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6394   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6395   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6396   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6397   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6398   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6399   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6400   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6401   { TYPE_STRING,        &game_speed_text,       ""                      },
6402   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6403 #if 1
6404   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6405   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6406 #endif
6407   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6408   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6409   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6410   { TYPE_EMPTY,         NULL,                   ""                      },
6411   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6412
6413   { 0,                  NULL,                   NULL                    }
6414 };
6415
6416 static struct TokenInfo setup_info_engines[] =
6417 {
6418   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6419   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6420   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6421   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6422   { TYPE_EMPTY,         NULL,                   ""                      },
6423   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6424   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6425   { TYPE_EMPTY,         NULL,                   ""                      },
6426   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6427
6428   { 0,                  NULL,                   NULL                    }
6429 };
6430
6431 static struct TokenInfo setup_info_editor[] =
6432 {
6433 #if 0
6434   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6435   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6436   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6437   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6438   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6439   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6440   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6441   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6442   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6443   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6444 #endif
6445   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6446   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6447 #if 0
6448   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6449 #endif
6450   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6451   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6452   { TYPE_EMPTY,         NULL,                   ""                      },
6453 #if 0
6454   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6455   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6456   { TYPE_EMPTY,         NULL,                   ""                      },
6457 #endif
6458   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6459   { TYPE_EMPTY,         NULL,                   ""                      },
6460   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6461
6462   { 0,                  NULL,                   NULL                    }
6463 };
6464
6465 static struct TokenInfo setup_info_graphics[] =
6466 {
6467 #if !defined(PLATFORM_ANDROID)
6468   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6469   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6470   { TYPE_STRING,        &window_size_text,      ""                      },
6471   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6472   { TYPE_STRING,        &scaling_type_text,     ""                      },
6473   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6474   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6475 #endif
6476 #if 0
6477   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6478   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6479 #endif
6480   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6481   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6482   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6483   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6484   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6485   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6486   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6487   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6488   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6489   { TYPE_EMPTY,         NULL,                   ""                      },
6490   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6491
6492   { 0,                  NULL,                   NULL                    }
6493 };
6494
6495 static struct TokenInfo setup_info_sound[] =
6496 {
6497   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6498   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6499   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6500   { TYPE_EMPTY,         NULL,                   ""                      },
6501   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6502   { TYPE_STRING,        &volume_simple_text,    ""                      },
6503   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6504   { TYPE_STRING,        &volume_loops_text,     ""                      },
6505   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6506   { TYPE_STRING,        &volume_music_text,     ""                      },
6507   { TYPE_EMPTY,         NULL,                   ""                      },
6508   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6509
6510   { 0,                  NULL,                   NULL                    }
6511 };
6512
6513 static struct TokenInfo setup_info_artwork[] =
6514 {
6515   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6516   { TYPE_STRING,        &graphics_set_name,     ""                      },
6517   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6518   { TYPE_STRING,        &sounds_set_name,       ""                      },
6519   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6520   { TYPE_STRING,        &music_set_name,        ""                      },
6521   { TYPE_EMPTY,         NULL,                   ""                      },
6522   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6523   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6524   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6525   { TYPE_EMPTY,         NULL,                   ""                      },
6526   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6527
6528   { 0,                  NULL,                   NULL                    }
6529 };
6530
6531 static struct TokenInfo setup_info_input[] =
6532 {
6533   { TYPE_SWITCH,        NULL,                   "Player:"               },
6534   { TYPE_SWITCH,        NULL,                   "Device:"               },
6535   { TYPE_SWITCH,        NULL,                   ""                      },
6536   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6537   { TYPE_EMPTY,         NULL,                   ""                      },
6538   { TYPE_EMPTY,         NULL,                   ""                      },
6539   { TYPE_EMPTY,         NULL,                   ""                      },
6540   { TYPE_EMPTY,         NULL,                   ""                      },
6541   { TYPE_EMPTY,         NULL,                   ""                      },
6542   { TYPE_EMPTY,         NULL,                   ""                      },
6543   { TYPE_EMPTY,         NULL,                   ""                      },
6544   { TYPE_EMPTY,         NULL,                   ""                      },
6545   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6546   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6547
6548   { 0,                  NULL,                   NULL                    }
6549 };
6550
6551 static struct TokenInfo setup_info_touch[] =
6552 {
6553   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6554   { TYPE_STRING,        &touch_controls_text,   ""                      },
6555   { TYPE_EMPTY,         NULL,                   ""                      },
6556   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6557
6558   { 0,                  NULL,                   NULL                    }
6559 };
6560
6561 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6562 {
6563   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6564   { TYPE_STRING,        &touch_controls_text,   ""                      },
6565   { TYPE_EMPTY,         NULL,                   ""                      },
6566   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6567   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6568   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6569   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6570   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6571   { TYPE_STRING,        &transparency_text,     ""                      },
6572   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6573   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6574   { TYPE_EMPTY,         NULL,                   ""                      },
6575   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6576   { TYPE_EMPTY,         NULL,                   ""                      },
6577   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6578
6579   { 0,                  NULL,                   NULL                    }
6580 };
6581
6582 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6583 {
6584   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6585   { TYPE_STRING,        &touch_controls_text,   ""                      },
6586   { TYPE_EMPTY,         NULL,                   ""                      },
6587   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6588   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6589   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6590   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6591   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6592   { TYPE_STRING,        &transparency_text,     ""                      },
6593   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6594   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6595   { TYPE_EMPTY,         NULL,                   ""                      },
6596   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6597   { TYPE_EMPTY,         NULL,                   ""                      },
6598   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6599
6600   { 0,                  NULL,                   NULL                    }
6601 };
6602
6603 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6604 {
6605   setup_info_touch_virtual_buttons_0,
6606   setup_info_touch_virtual_buttons_1
6607 };
6608
6609 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6610 {
6611   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6612   { TYPE_STRING,        &touch_controls_text,   ""                      },
6613   { TYPE_EMPTY,         NULL,                   ""                      },
6614   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6615   { TYPE_STRING,        &move_distance_text,    ""                      },
6616   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6617   { TYPE_STRING,        &drop_distance_text,    ""                      },
6618   { TYPE_EMPTY,         NULL,                   ""                      },
6619   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6620
6621   { 0,                  NULL,                   NULL                    }
6622 };
6623
6624 static struct TokenInfo setup_info_shortcuts[] =
6625 {
6626   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6627   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6628   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6629   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6630   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6631   { TYPE_EMPTY,         NULL,                   ""                      },
6632   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6633
6634   { 0,                  NULL,                   NULL                    }
6635 };
6636
6637 static struct TokenInfo setup_info_shortcuts_1[] =
6638 {
6639   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6640   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6641   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6642   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6643   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6644   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6645   { TYPE_EMPTY,         NULL,                   ""                      },
6646   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6647   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6648   { TYPE_EMPTY,         NULL,                   ""                      },
6649   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6650
6651   { 0,                  NULL,                   NULL                    }
6652 };
6653
6654 static struct TokenInfo setup_info_shortcuts_2[] =
6655 {
6656   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6657   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6658   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6659   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6660   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6661   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6662   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6663   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6664   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6665   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6666   { TYPE_EMPTY,         NULL,                   ""                      },
6667   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6668
6669   { 0,                  NULL,                   NULL                    }
6670 };
6671
6672 static struct TokenInfo setup_info_shortcuts_3[] =
6673 {
6674   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6675   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6676   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6677   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6678   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6679   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6680   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6681   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6682   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6683   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6684   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6685   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6686   { TYPE_EMPTY,         NULL,                   ""                      },
6687   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6688
6689   { 0,                  NULL,                   NULL                    }
6690 };
6691
6692 static struct TokenInfo setup_info_shortcuts_4[] =
6693 {
6694   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6695   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6696   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6697   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6698   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6699   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6700   { TYPE_EMPTY,         NULL,                   ""                      },
6701   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6702
6703   { 0,                  NULL,                   NULL                    }
6704 };
6705
6706 static struct TokenInfo setup_info_shortcuts_5[] =
6707 {
6708   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6709   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6710   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6711   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6712   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6713   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6714   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6715   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6716   { TYPE_EMPTY,         NULL,                   ""                      },
6717   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6718
6719   { 0,                  NULL,                   NULL                    }
6720 };
6721
6722 static Key getSetupKey(void)
6723 {
6724   Key key = KSYM_UNDEFINED;
6725   boolean got_key_event = FALSE;
6726
6727   while (!got_key_event)
6728   {
6729     Event event;
6730
6731     if (NextValidEvent(&event))
6732     {
6733       switch (event.type)
6734       {
6735         case EVENT_KEYPRESS:
6736           {
6737             key = GetEventKey((KeyEvent *)&event, TRUE);
6738
6739             // press 'Escape' or 'Enter' to keep the existing key binding
6740             if (key == KSYM_Escape || key == KSYM_Return)
6741               key = KSYM_UNDEFINED;     // keep old value
6742
6743             got_key_event = TRUE;
6744           }
6745           break;
6746
6747         case EVENT_KEYRELEASE:
6748           key_joystick_mapping = 0;
6749           break;
6750
6751         default:
6752           HandleOtherEvents(&event);
6753           break;
6754       }
6755     }
6756
6757     BackToFront();
6758   }
6759
6760   return key;
6761 }
6762
6763 static int getSetupValueFont(int type, void *value)
6764 {
6765   if (type & TYPE_GHOSTED)
6766     return FONT_OPTION_OFF;
6767   else if (type & TYPE_KEY)
6768     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6769   else if (type & TYPE_STRING)
6770     return FONT_VALUE_2;
6771   else if (type & TYPE_ECS_AGA)
6772     return FONT_VALUE_1;
6773   else if (type & TYPE_BOOLEAN_STYLE)
6774     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6775   else if (type & TYPE_YES_NO_AUTO)
6776     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6777             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6778   else if (type & TYPE_PLAYER)
6779     return FONT_VALUE_1;
6780   else
6781     return FONT_VALUE_1;
6782 }
6783
6784 static int getSetupValueFontNarrow(int type, int font_nr)
6785 {
6786   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6787           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6788           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6789           font_nr);
6790 }
6791
6792 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6793 {
6794   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6795   struct TokenInfo *si = &setup_info[si_pos];
6796   boolean font_draw_xoffset_modified = FALSE;
6797   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6798   int font_draw_xoffset_old = -1;
6799   int xoffset = (scrollbar_needed ? -1 : 0);
6800   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6801   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6802   int xpos = menu_screen_value_xpos;
6803   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6804   int startx = mSX + xpos * 32;
6805   int starty = mSY + ypos * 32;
6806   int type = si->type;
6807   void *value = si->value;
6808   char *value_string = getSetupValue(type, value);
6809   int font_nr_default = getSetupValueFont(type, value);
6810   int font_width_default = getFontWidth(font_nr_default);
6811   int font_nr = font_nr_default;
6812   int i;
6813
6814   if (value_string == NULL)
6815     return;
6816
6817   if (type & TYPE_KEY)
6818   {
6819     xpos = MENU_SCREEN_START_XPOS;
6820
6821     if (type & TYPE_QUERY)
6822       value_string = "<press key>";
6823   }
6824   else if (type & TYPE_STRING)
6825   {
6826     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
6827
6828     xpos = MENU_SCREEN_START_XPOS;
6829
6830     if (strlen(value_string) > max_value_len)
6831       value_string[max_value_len] = '\0';
6832   }
6833   else if (type & TYPE_YES_NO_AUTO)
6834   {
6835     xpos = menu_screen_value_xpos - 1;
6836   }
6837   else if (type & TYPE_PLAYER)
6838   {
6839     int displayed_player_nr = *(int *)value + 1;
6840
6841     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
6842   }
6843
6844   startx = mSX + xpos * 32;
6845   starty = mSY + ypos * 32;
6846
6847   // special check if right-side setup values moved left due to scrollbar
6848   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
6849   {
6850     int max_menu_text_length = 26;      // maximum text length for classic menu
6851     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6852     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6853     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6854     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6855     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
6856
6857     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
6858     {
6859       // when using narrow font, left-shifting text "auto" not needed
6860       if (type & TYPE_YES_NO_AUTO)
6861         xpos += 1;
6862
6863       xpos += 1;
6864       startx = mSX + xpos * 32;
6865
6866       font_nr = getSetupValueFontNarrow(type, font_nr);
6867     }
6868   }
6869
6870   // downward compatibility correction for Juergen Bonhagen's menu settings
6871   if (setup_mode != SETUP_MODE_INPUT)
6872   {
6873     int max_menu_text_length_big = (menu_screen_value_xpos -
6874                                     MENU_SCREEN_START_XPOS);
6875     int max_menu_text_length_medium = max_menu_text_length_big * 2;
6876     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
6877     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6878     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
6879     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6880     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6881     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6882     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
6883     boolean correct_font_draw_xoffset = FALSE;
6884
6885     if (xpos == MENU_SCREEN_START_XPOS &&
6886         startx + font1_xoffset < text_startx + text_font_xoffset)
6887       correct_font_draw_xoffset = TRUE;
6888
6889     if (xpos == menu_screen_value_xpos &&
6890         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
6891       correct_font_draw_xoffset = TRUE;
6892
6893     // check if setup value would overlap with setup text when printed
6894     // (this can happen for extreme/wrong values for font draw offset)
6895     if (correct_font_draw_xoffset)
6896     {
6897       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
6898       font_draw_xoffset_modified = TRUE;
6899
6900       if (type & TYPE_KEY)
6901         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
6902       else if (!(type & TYPE_STRING))
6903         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
6904           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
6905     }
6906   }
6907
6908   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
6909     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
6910
6911   DrawText(startx, starty, value_string, font_nr);
6912
6913   if (type & TYPE_PLAYER)
6914   {
6915     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
6916     int player_nr = *(int *)value;
6917     int xoff = font->draw_xoffset + getFontWidth(font_nr);
6918     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
6919     int startx2 = startx + xoff;
6920     int starty2 = starty + yoff;
6921
6922     if (DrawingOnBackground(startx2, starty2))
6923       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
6924
6925     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
6926                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6927   }
6928
6929   if (font_draw_xoffset_modified)
6930     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
6931 }
6932
6933 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
6934 {
6935   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6936   struct TokenInfo *si = &setup_info[si_pos];
6937
6938   if (si->type & TYPE_BOOLEAN_STYLE)
6939   {
6940     *(boolean *)si->value ^= TRUE;
6941   }
6942   else if (si->type & TYPE_YES_NO_AUTO)
6943   {
6944     *(int *)si->value =
6945       (dx == -1 ?
6946        (*(int *)si->value == AUTO ? TRUE :
6947         *(int *)si->value == TRUE ? FALSE : AUTO) :
6948        (*(int *)si->value == TRUE ? AUTO :
6949         *(int *)si->value == AUTO ? FALSE : TRUE));
6950   }
6951   else if (si->type & TYPE_KEY)
6952   {
6953     Key key;
6954
6955     si->type |= TYPE_QUERY;
6956     drawSetupValue(screen_pos, setup_info_pos_raw);
6957     si->type &= ~TYPE_QUERY;
6958
6959     key = getSetupKey();
6960     if (key != KSYM_UNDEFINED)
6961       *(Key *)si->value = key;
6962   }
6963   else if (si->type & TYPE_PLAYER)
6964   {
6965     int player_nr = *(int *)si->value;
6966
6967     if (dx)
6968       player_nr += dx;
6969     else
6970       player_nr = Request("Choose player", REQ_PLAYER) - 1;
6971
6972     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
6973   }
6974
6975   drawSetupValue(screen_pos, setup_info_pos_raw);
6976
6977   // fullscreen state may have changed at this point
6978   if (si->value == &setup.fullscreen)
6979     ToggleFullscreenIfNeeded();
6980
6981   // network mode may have changed at this point
6982   if (si->value == &setup.network_mode)
6983     ToggleNetworkModeIfNeeded();
6984
6985   // game speed list may have changed at this point
6986   if (si->value == &setup.game_speed_extended)
6987     ToggleGameSpeedsListIfNeeded();
6988 }
6989
6990 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
6991 {
6992   static struct TokenInfo *setup_info_final = NULL;
6993   int list_size = 0;
6994   int list_pos = 0;
6995   int i;
6996
6997   // determine maximum list size of target list
6998   while (setup_info_orig[list_size++].type != 0);
6999
7000   // free, allocate and clear memory for target list
7001   checked_free(setup_info_final);
7002   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7003
7004   // copy setup info list without setup entries marked as hidden
7005   for (i = 0; setup_info_orig[i].type != 0; i++)
7006   {
7007     // skip setup entries configured to be hidden
7008     if (hideSetupEntry(setup_info_orig[i].value))
7009       continue;
7010
7011     // skip skippable setup entries if screen is lower than usual
7012     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7013         setup_info_orig[i].type == TYPE_SKIPPABLE)
7014       continue;
7015
7016     setup_info_final[list_pos++] = setup_info_orig[i];
7017   }
7018
7019   return setup_info_final;
7020 }
7021
7022 static void DrawSetupScreen_Generic(void)
7023 {
7024   int fade_mask = REDRAW_FIELD;
7025   boolean redraw_all = FALSE;
7026   char *title_string = NULL;
7027   int i;
7028
7029   if (CheckFadeAll())
7030     fade_mask = REDRAW_ALL;
7031
7032   UnmapAllGadgets();
7033   FadeMenuSoundsAndMusic();
7034
7035   FreeScreenGadgets();
7036   CreateScreenGadgets();
7037
7038   if (redraw_mask & REDRAW_ALL)
7039     redraw_all = TRUE;
7040
7041   FadeOut(fade_mask);
7042
7043   // needed if different viewport properties defined for setup screen
7044   ChangeViewportPropertiesIfNeeded();
7045
7046   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7047
7048   ClearField();
7049
7050   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7051
7052   if (setup_mode == SETUP_MODE_MAIN)
7053   {
7054     setup_info = setup_info_main;
7055     title_string = STR_SETUP_MAIN;
7056   }
7057   else if (setup_mode == SETUP_MODE_GAME)
7058   {
7059     setup_info = setup_info_game;
7060     title_string = STR_SETUP_GAME;
7061   }
7062   else if (setup_mode == SETUP_MODE_ENGINES)
7063   {
7064     setup_info = setup_info_engines;
7065     title_string = STR_SETUP_ENGINES;
7066   }
7067   else if (setup_mode == SETUP_MODE_EDITOR)
7068   {
7069     setup_info = setup_info_editor;
7070     title_string = STR_SETUP_EDITOR;
7071   }
7072   else if (setup_mode == SETUP_MODE_GRAPHICS)
7073   {
7074     setup_info = setup_info_graphics;
7075     title_string = STR_SETUP_GRAPHICS;
7076   }
7077   else if (setup_mode == SETUP_MODE_SOUND)
7078   {
7079     setup_info = setup_info_sound;
7080     title_string = STR_SETUP_SOUND;
7081   }
7082   else if (setup_mode == SETUP_MODE_ARTWORK)
7083   {
7084     setup_info = setup_info_artwork;
7085     title_string = STR_SETUP_ARTWORK;
7086   }
7087   else if (setup_mode == SETUP_MODE_TOUCH)
7088   {
7089     setup_info = setup_info_touch;
7090     title_string = STR_SETUP_TOUCH;
7091
7092     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7093       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7094     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7095       setup_info = setup_info_touch_wipe_gestures;
7096   }
7097   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7098   {
7099     setup_info = setup_info_shortcuts;
7100     title_string = STR_SETUP_SHORTCUTS;
7101   }
7102   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7103   {
7104     setup_info = setup_info_shortcuts_1;
7105     title_string = STR_SETUP_SHORTCUTS;
7106   }
7107   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7108   {
7109     setup_info = setup_info_shortcuts_2;
7110     title_string = STR_SETUP_SHORTCUTS;
7111   }
7112   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7113   {
7114     setup_info = setup_info_shortcuts_3;
7115     title_string = STR_SETUP_SHORTCUTS;
7116   }
7117   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7118   {
7119     setup_info = setup_info_shortcuts_4;
7120     title_string = STR_SETUP_SHORTCUTS;
7121   }
7122   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7123   {
7124     setup_info = setup_info_shortcuts_5;
7125     title_string = STR_SETUP_SHORTCUTS;
7126   }
7127
7128   // use modified setup info without setup entries marked as hidden
7129   setup_info = getSetupInfoFinal(setup_info);
7130
7131   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7132
7133   // determine maximal number of setup entries that can be displayed on screen
7134   num_setup_info = 0;
7135   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7136     num_setup_info++;
7137
7138   // determine maximal number of setup entries available for this setup screen
7139   max_setup_info = 0;
7140   for (i = 0; setup_info[i].type != 0; i++)
7141     max_setup_info++;
7142
7143   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7144
7145   MapScreenGadgets(max_setup_info);
7146
7147   if (redraw_all)
7148     redraw_mask = fade_mask = REDRAW_ALL;
7149
7150   DrawMaskedBorder(fade_mask);
7151
7152   FadeIn(fade_mask);
7153 }
7154
7155 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7156 {
7157   menu_info = setup_info;
7158
7159   HandleMenuScreen(mx, my, dx, dy, button,
7160                    setup_mode, num_setup_info, max_setup_info);
7161 }
7162
7163 static void DrawSetupScreen_Input(void)
7164 {
7165   int i;
7166
7167   FadeOut(REDRAW_FIELD);
7168
7169   ClearField();
7170
7171   setup_info = getSetupInfoFinal(setup_info_input);
7172
7173   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7174
7175   for (i = 0; setup_info[i].type != 0; i++)
7176   {
7177     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7178       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7179     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7180       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7181     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7182       initCursor(i, IMG_MENU_BUTTON);
7183
7184     DrawCursorAndText_Setup(i, -1, FALSE);
7185   }
7186
7187   // create gadgets for setup input menu screen
7188   FreeScreenGadgets();
7189   CreateScreenGadgets();
7190
7191   // map gadgets for setup input menu screen
7192   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7193
7194   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7195
7196   FadeIn(REDRAW_FIELD);
7197 }
7198
7199 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7200 {
7201   if (device_name == NULL)
7202     return;
7203
7204   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7205     device_nr = 0;
7206
7207   if (strlen(device_name) > 1)
7208   {
7209     char c1 = device_name[strlen(device_name) - 1];
7210     char c2 = device_name[strlen(device_name) - 2];
7211
7212     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7213       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7214   }
7215   else
7216     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7217             strlen(device_name));
7218 }
7219
7220 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7221 {
7222   int i;
7223   static struct SetupKeyboardInfo custom_key;
7224   static struct
7225   {
7226     Key *key;
7227     char *text;
7228   } custom[] =
7229   {
7230     { &custom_key.left,  "Axis/Pad Left"  },
7231     { &custom_key.right, "Axis/Pad Right" },
7232     { &custom_key.up,    "Axis/Pad Up"    },
7233     { &custom_key.down,  "Axis/Pad Down"  },
7234     { &custom_key.snap,  "Button 1/A/X"   },
7235     { &custom_key.drop,  "Button 2/B/Y"   }
7236   };
7237   static char *joystick_name[MAX_PLAYERS] =
7238   {
7239     "Joystick1",
7240     "Joystick2",
7241     "Joystick3",
7242     "Joystick4"
7243   };
7244   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7245   int font_nr_info = FONT_MENU_1;
7246   int font_nr_name = FONT_VALUE_OLD;
7247   int font_nr_on   = FONT_VALUE_1;
7248   int font_nr_off  = FONT_VALUE_OLD;
7249   int pos = 4;
7250
7251   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7252   {
7253     font_nr_info = FONT_MENU_2;
7254     font_nr_on   = FONT_VALUE_NARROW;
7255     font_nr_off  = FONT_VALUE_OLD_NARROW;
7256   }
7257
7258   custom_key = setup.input[player_nr].key;
7259
7260   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7261            FONT_INPUT_1_ACTIVE);
7262
7263   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7264                              TILEX, TILEY);
7265   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7266                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7267
7268   if (setup.input[player_nr].use_joystick)
7269   {
7270     char *device_name = setup.input[player_nr].joy.device_name;
7271     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7272     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7273     char *text = joystick_name[joystick_nr];
7274     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7275
7276     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7277     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7278   }
7279   else
7280   {
7281     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7282     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7283   }
7284
7285   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7286     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7287   else
7288     pos = 3;
7289
7290   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7291   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7292   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7293   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7294
7295   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7296   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7297   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7298   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7299   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7300   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7301
7302   for (i = 0; i < 6; i++)
7303   {
7304     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7305
7306     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7307              "              ", font_nr_on);
7308     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7309              (setup.input[player_nr].use_joystick ?
7310               custom[i].text :
7311               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7312   }
7313 }
7314
7315 static int input_player_nr = 0;
7316
7317 static void HandleSetupScreen_Input_Player(int step, int direction)
7318 {
7319   int old_player_nr = input_player_nr;
7320   int new_player_nr;
7321
7322   new_player_nr = old_player_nr + step * direction;
7323   if (new_player_nr < 0)
7324     new_player_nr = 0;
7325   if (new_player_nr > MAX_PLAYERS - 1)
7326     new_player_nr = MAX_PLAYERS - 1;
7327
7328   if (new_player_nr != old_player_nr)
7329   {
7330     input_player_nr = new_player_nr;
7331
7332     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7333   }
7334 }
7335
7336 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7337 {
7338   static int choice = 0;
7339   int x = 0;
7340   int y = choice;
7341   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7342   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7343   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7344   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7345
7346   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7347   {
7348     int i;
7349
7350     for (i = 0; setup_info_input[i].type != 0; i++)
7351     {
7352       // adjust menu structure according to skipped setup entries
7353       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7354       {
7355         pos_empty2--;
7356         pos_end--;
7357       }
7358     }
7359   }
7360
7361   if (button == MB_MENU_INITIALIZE)
7362   {
7363     // input setup menu may have changed size due to graphics configuration
7364     if (choice >= pos_empty1)
7365       choice = pos_end;
7366
7367     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7368
7369     DrawCursorAndText_Setup(choice, -1, TRUE);
7370
7371     return;
7372   }
7373   else if (button == MB_MENU_LEAVE)
7374   {
7375     setup_mode = SETUP_MODE_MAIN;
7376     DrawSetupScreen();
7377     InitJoysticks();
7378
7379     return;
7380   }
7381
7382   if (mx || my)         // mouse input
7383   {
7384     x = (mx - mSX) / 32;
7385     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7386   }
7387   else if (dx || dy)    // keyboard input
7388   {
7389     if (dx && choice == 0)
7390       x = (dx < 0 ? 10 : 12);
7391     else if ((dx && choice == 1) ||
7392              (dx == -1 && choice == pos_end))
7393       button = MB_MENU_CHOICE;
7394     else if (dy)
7395       y = choice + dy;
7396
7397     if (y >= pos_empty1 && y <= pos_empty2)
7398       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7399   }
7400
7401   if (y == 0 && dx != 0 && button)
7402   {
7403     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7404   }
7405   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7406            y >= pos_start && y <= pos_end &&
7407            !(y >= pos_empty1 && y <= pos_empty2))
7408   {
7409     if (button)
7410     {
7411       if (y != choice)
7412       {
7413         DrawCursorAndText_Setup(choice, -1, FALSE);
7414         DrawCursorAndText_Setup(y, -1, TRUE);
7415
7416         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7417
7418         choice = y;
7419       }
7420     }
7421     else
7422     {
7423       if (y == 1)
7424       {
7425         char *device_name = setup.input[input_player_nr].joy.device_name;
7426
7427         if (!setup.input[input_player_nr].use_joystick)
7428         {
7429           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7430
7431           setJoystickDeviceToNr(device_name, new_device_nr);
7432           setup.input[input_player_nr].use_joystick = TRUE;
7433         }
7434         else
7435         {
7436           int device_nr = getJoystickNrFromDeviceName(device_name);
7437           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7438
7439           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7440             setup.input[input_player_nr].use_joystick = FALSE;
7441           else
7442             setJoystickDeviceToNr(device_name, new_device_nr);
7443         }
7444
7445         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7446       }
7447       else if (y == 2)
7448       {
7449         if (setup.input[input_player_nr].use_joystick)
7450           ConfigureJoystick(input_player_nr);
7451         else
7452           CustomizeKeyboard(input_player_nr);
7453       }
7454       else if (y == pos_end)
7455       {
7456         InitJoysticks();
7457
7458         FadeSetLeaveMenu();
7459
7460         setup_mode = SETUP_MODE_MAIN;
7461         DrawSetupScreen();
7462       }
7463     }
7464   }
7465 }
7466
7467 static boolean CustomizeKeyboardMain(int player_nr)
7468 {
7469   int i;
7470   int step_nr;
7471   boolean finished = FALSE;
7472   static struct SetupKeyboardInfo custom_key;
7473   static struct
7474   {
7475     Key *key;
7476     char *text;
7477   } customize_step[] =
7478   {
7479     { &custom_key.left,  "Move Left"    },
7480     { &custom_key.right, "Move Right"   },
7481     { &custom_key.up,    "Move Up"      },
7482     { &custom_key.down,  "Move Down"    },
7483     { &custom_key.snap,  "Snap Field"   },
7484     { &custom_key.drop,  "Drop Element" }
7485   };
7486   int font_nr_old = FONT_VALUE_OLD;
7487   int font_nr_new = FONT_VALUE_1;
7488   boolean success = FALSE;
7489
7490   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7491   {
7492     font_nr_old = FONT_VALUE_OLD_NARROW;
7493     font_nr_new = FONT_VALUE_NARROW;
7494   }
7495
7496   // read existing key bindings from player setup
7497   custom_key = setup.input[player_nr].key;
7498
7499   FadeSetEnterMenu();
7500   FadeOut(REDRAW_FIELD);
7501
7502   ClearField();
7503
7504   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7505
7506   step_nr = 0;
7507   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7508            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7509   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7510            "Key:", FONT_INPUT_1_ACTIVE);
7511   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7512            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7513
7514   FadeIn(REDRAW_FIELD);
7515
7516   while (!finished)
7517   {
7518     Event event;
7519
7520     if (NextValidEvent(&event))
7521     {
7522       switch (event.type)
7523       {
7524         case EVENT_KEYPRESS:
7525           {
7526             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7527
7528             // press 'Escape' to abort and keep the old key bindings
7529             if (key == KSYM_Escape)
7530             {
7531               FadeSkipNextFadeIn();
7532
7533               finished = TRUE;
7534
7535               break;
7536             }
7537
7538             // press 'Enter' to keep the existing key binding
7539             if (key == KSYM_Return)
7540               key = *customize_step[step_nr].key;
7541
7542             // check if key already used
7543             for (i = 0; i < step_nr; i++)
7544               if (*customize_step[i].key == key)
7545                 break;
7546             if (i < step_nr)
7547               break;
7548
7549             // got new key binding
7550             *customize_step[step_nr].key = key;
7551             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7552                      "             ", font_nr_new);
7553             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7554                      getKeyNameFromKey(key), font_nr_new);
7555             step_nr++;
7556
7557             // un-highlight last query
7558             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7559                      customize_step[step_nr - 1].text, FONT_MENU_1);
7560             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7561                      "Key:", FONT_MENU_1);
7562
7563             // all keys configured
7564             if (step_nr == 6)
7565             {
7566               finished = TRUE;
7567               success = TRUE;
7568
7569               break;
7570             }
7571
7572             // query next key binding
7573             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7574                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7575             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7576                      "Key:", FONT_INPUT_1_ACTIVE);
7577             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7578                      getKeyNameFromKey(*customize_step[step_nr].key),
7579                      font_nr_old);
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   // write new key bindings back to player setup, if successfully finished
7597   if (success)
7598     setup.input[player_nr].key = custom_key;
7599
7600   return success;
7601 }
7602
7603 void CustomizeKeyboard(int player_nr)
7604 {
7605   boolean success = CustomizeKeyboardMain(player_nr);
7606
7607   if (success)
7608   {
7609     int font_nr = FONT_TITLE_1;
7610     int font_height = getFontHeight(font_nr);
7611     int ypos1 = SYSIZE / 2 - font_height * 2;
7612     int ypos2 = SYSIZE / 2 - font_height * 1;
7613     unsigned int wait_frame_delay = 0;
7614     unsigned int wait_frame_delay_value = 2000;
7615
7616     ResetDelayCounter(&wait_frame_delay);
7617
7618     ClearField();
7619
7620     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7621     DrawTextSCentered(ypos2, font_nr, "configured!");
7622
7623     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7624       BackToFront();
7625
7626     ClearEventQueue();
7627   }
7628
7629   DrawSetupScreen_Input();
7630 }
7631
7632 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7633
7634 #define MARKER_BUTTON           1
7635 #define MARKER_AXIS_X           2
7636 #define MARKER_AXIS_Y           3
7637
7638 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7639 {
7640   static boolean bitmaps_initialized = FALSE;
7641   boolean screen_initialized = FALSE;
7642   static Bitmap *controller, *button, *axis_x, *axis_y;
7643   char *name;
7644   boolean success = TRUE;
7645   boolean done = FALSE, next = FALSE;
7646   Event event;
7647   int alpha = 200, alpha_step = -1;
7648   int alpha_ticks = 0;
7649   char mapping[4096], temp[256];
7650   int font_name = MENU_SETUP_FONT_TITLE;
7651   int font_info = MENU_SETUP_FONT_TEXT;
7652   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7653   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7654   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7655   int ystep_name = getMenuTextStep(spacing_name, font_name);
7656   int ystep_line = getMenuTextStep(spacing_line, font_info);
7657   int ystep_para = getMenuTextStep(spacing_para, font_info);
7658   int i, j;
7659
7660   struct
7661   {
7662     int x, y;
7663     int marker;
7664     char *field;
7665     int axis, button, hat, hat_value;
7666     char mapping[4096];
7667   }
7668   *step, *prev_step, steps[] =
7669   {
7670     { 356, 155, MARKER_BUTTON, "a",             },
7671     { 396, 122, MARKER_BUTTON, "b",             },
7672     { 320, 125, MARKER_BUTTON, "x",             },
7673     { 358,  95, MARKER_BUTTON, "y",             },
7674     { 162, 125, MARKER_BUTTON, "back",          },
7675     { 216, 125, MARKER_BUTTON, "guide",         },
7676     { 271, 125, MARKER_BUTTON, "start",         },
7677     { 110, 200, MARKER_BUTTON, "dpleft",        },
7678     { 146, 228, MARKER_BUTTON, "dpdown",        },
7679     { 178, 200, MARKER_BUTTON, "dpright",       },
7680     { 146, 172, MARKER_BUTTON, "dpup",          },
7681     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7682     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7683     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7684     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7685     {  73, 141, MARKER_BUTTON, "leftstick",     },
7686     { 282, 210, MARKER_BUTTON, "rightstick",    },
7687     {  73, 141, MARKER_AXIS_X, "leftx",         },
7688     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7689     { 282, 210, MARKER_AXIS_X, "rightx",        },
7690     { 282, 210, MARKER_AXIS_Y, "righty",        },
7691   };
7692
7693   unsigned int event_frame_delay = 0;
7694   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7695
7696   ResetDelayCounter(&event_frame_delay);
7697
7698   if (!bitmaps_initialized)
7699   {
7700     controller = LoadCustomImage("joystick/controller.png");
7701     button     = LoadCustomImage("joystick/button.png");
7702     axis_x     = LoadCustomImage("joystick/axis_x.png");
7703     axis_y     = LoadCustomImage("joystick/axis_y.png");
7704
7705     bitmaps_initialized = TRUE;
7706   }
7707
7708   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7709
7710 #if DEBUG_JOYSTICKS
7711   // print info about the joystick we are watching
7712   Debug("joystick", "watching joystick %d: (%s)",
7713         SDL_JoystickInstanceID(joystick), name);
7714   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
7715         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7716         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7717 #endif
7718
7719   // initialize mapping with GUID and name
7720   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7721
7722   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7723            temp, name, SDL_GetPlatform());
7724
7725   // loop through all steps (buttons and axes), getting joystick events
7726   for (i = 0; i < SDL_arraysize(steps) && !done;)
7727   {
7728     Bitmap *marker = button;    // initialize with reliable default value
7729
7730     step = &steps[i];
7731     strcpy(step->mapping, mapping);
7732     step->axis = -1;
7733     step->button = -1;
7734     step->hat = -1;
7735     step->hat_value = -1;
7736
7737     marker = (step->marker == MARKER_BUTTON ? button :
7738               step->marker == MARKER_AXIS_X ? axis_x :
7739               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7740
7741     next = FALSE;
7742
7743     while (!done && !next)
7744     {
7745       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7746       alpha_ticks = SDL_GetTicks();
7747
7748       if (alpha >= 255)
7749       {
7750         alpha = 255;
7751         alpha_step = -1;
7752       }
7753       else if (alpha < 128)
7754       {
7755         alpha = 127;
7756         alpha_step = 1;
7757       }
7758
7759       int controller_x = SX + (SXSIZE - controller->width) / 2;
7760       int controller_y = SY + ystep_line;
7761
7762       int marker_x = controller_x + step->x;
7763       int marker_y = controller_y + step->y;
7764
7765       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7766       int ystart2 = ystart1 + ystep_name + ystep_line;
7767
7768       ClearField();
7769
7770       DrawTextSCentered(ystart1, font_name, name);
7771
7772       DrawTextSCentered(ystart2, font_info,
7773                         "Press buttons and move axes on");
7774       ystart2 += ystep_line;
7775       DrawTextSCentered(ystart2, font_info,
7776                         "your controller when indicated.");
7777       ystart2 += ystep_line;
7778       DrawTextSCentered(ystart2, font_info,
7779                         "(Your controller may look different.)");
7780       ystart2 += ystep_para;
7781
7782 #if defined(PLATFORM_ANDROID)
7783       DrawTextSCentered(ystart2, font_info,
7784                         "To correct a mistake,");
7785       ystart2 += ystep_line;
7786       DrawTextSCentered(ystart2, font_info,
7787                         "press the 'back' button.");
7788       ystart2 += ystep_line;
7789       DrawTextSCentered(ystart2, font_info,
7790                         "To skip a button or axis,");
7791       ystart2 += ystep_line;
7792       DrawTextSCentered(ystart2, font_info,
7793                         "press the 'menu' button.");
7794 #else
7795       DrawTextSCentered(ystart2, font_info,
7796                         "To correct a mistake,");
7797       ystart2 += ystep_line;
7798       DrawTextSCentered(ystart2, font_info,
7799                         "press the 'backspace' key.");
7800       ystart2 += ystep_line;
7801       DrawTextSCentered(ystart2, font_info,
7802                         "To skip a button or axis,");
7803       ystart2 += ystep_line;
7804       DrawTextSCentered(ystart2, font_info,
7805                         "press the 'return' key.");
7806       ystart2 += ystep_line;
7807       DrawTextSCentered(ystart2, font_info,
7808                         "To exit, press the 'escape' key.");
7809 #endif
7810
7811       BlitBitmapMasked(controller, drawto, 0, 0,
7812                        controller->width, controller->height,
7813                        controller_x, controller_y);
7814
7815       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
7816       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
7817
7818       BlitBitmapMasked(marker, drawto, 0, 0,
7819                        marker->width, marker->height,
7820                        marker_x, marker_y);
7821
7822       if (!screen_initialized)
7823         FadeIn(REDRAW_FIELD);
7824       else
7825         BackToFront();
7826
7827       screen_initialized = TRUE;
7828
7829       while (NextValidEvent(&event))
7830       {
7831         switch (event.type)
7832         {
7833           case SDL_JOYAXISMOTION:
7834             if (event.jaxis.value > 20000 ||
7835                 event.jaxis.value < -20000)
7836             {
7837               for (j = 0; j < i; j++)
7838                 if (steps[j].axis == event.jaxis.axis)
7839                   break;
7840
7841               if (j == i)
7842               {
7843                 if (step->marker != MARKER_AXIS_X &&
7844                     step->marker != MARKER_AXIS_Y)
7845                   break;
7846
7847                 step->axis = event.jaxis.axis;
7848                 strcat(mapping, step->field);
7849                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
7850                 strcat(mapping, temp);
7851                 i++;
7852                 next = TRUE;
7853               }
7854             }
7855
7856             break;
7857
7858           case SDL_JOYHATMOTION:
7859             // ignore centering; we're probably just coming back
7860             // to the center from the previous item we set
7861             if (event.jhat.value == SDL_HAT_CENTERED)
7862               break;
7863
7864             for (j = 0; j < i; j++)
7865               if (steps[j].hat == event.jhat.hat &&
7866                   steps[j].hat_value == event.jhat.value)
7867                 break;
7868
7869             if (j == i)
7870             {
7871               step->hat = event.jhat.hat;
7872               step->hat_value = event.jhat.value;
7873               strcat(mapping, step->field);
7874               snprintf(temp, sizeof(temp), ":h%u.%u,",
7875                        event.jhat.hat, event.jhat.value );
7876               strcat(mapping, temp);
7877               i++;
7878               next = TRUE;
7879             }
7880
7881             break;
7882
7883           case SDL_JOYBALLMOTION:
7884             break;
7885
7886           case SDL_JOYBUTTONUP:
7887             for (j = 0; j < i; j++)
7888               if (steps[j].button == event.jbutton.button)
7889                 break;
7890
7891             if (j == i)
7892             {
7893               step->button = event.jbutton.button;
7894               strcat(mapping, step->field);
7895               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
7896               strcat(mapping, temp);
7897               i++;
7898               next = TRUE;
7899             }
7900
7901             break;
7902
7903           case SDL_FINGERDOWN:
7904           case SDL_MOUSEBUTTONDOWN:
7905             // skip this step
7906             i++;
7907             next = TRUE;
7908
7909             break;
7910
7911           case SDL_KEYDOWN:
7912             if (event.key.keysym.sym == KSYM_BackSpace ||
7913                 event.key.keysym.sym == KSYM_Back)
7914             {
7915               if (i == 0)
7916               {
7917                 // leave screen
7918                 success = FALSE;
7919                 done = TRUE;
7920
7921                 break;
7922               }
7923
7924               // undo this step
7925               prev_step = &steps[i - 1];
7926               strcpy(mapping, prev_step->mapping);
7927               i--;
7928               next = TRUE;
7929
7930               break;
7931             }
7932
7933             if (event.key.keysym.sym == KSYM_space ||
7934                 event.key.keysym.sym == KSYM_Return ||
7935                 event.key.keysym.sym == KSYM_Menu)
7936             {
7937               // skip this step
7938               i++;
7939               next = TRUE;
7940
7941               break;
7942             }
7943
7944             if (event.key.keysym.sym == KSYM_Escape)
7945             {
7946               // leave screen
7947               success = FALSE;
7948               done = TRUE;
7949             }
7950
7951             break;
7952
7953           case SDL_QUIT:
7954             program.exit_function(0);
7955             break;
7956
7957           default:
7958             break;
7959         }
7960
7961         // do not handle events for longer than standard frame delay period
7962         if (DelayReached(&event_frame_delay, event_frame_delay_value))
7963           break;
7964       }
7965     }
7966   }
7967
7968   if (success)
7969   {
7970 #if DEBUG_JOYSTICKS
7971     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
7972 #endif
7973
7974     // activate mapping for this game
7975     SDL_GameControllerAddMapping(mapping);
7976
7977     // save mapping to personal mappings
7978     SaveSetup_AddGameControllerMapping(mapping);
7979   }
7980
7981   // wait until the last pending event was removed from event queue
7982   while (NextValidEvent(&event));
7983
7984   return success;
7985 }
7986
7987 static int ConfigureJoystickMain(int player_nr)
7988 {
7989   char *device_name = setup.input[player_nr].joy.device_name;
7990   int joystick_nr = getJoystickNrFromDeviceName(device_name);
7991   boolean joystick_active = CheckJoystickOpened(joystick_nr);
7992   int success = FALSE;
7993   int i;
7994
7995   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
7996     return JOYSTICK_NOT_AVAILABLE;
7997
7998   if (!joystick_active || !setup.input[player_nr].use_joystick)
7999     return JOYSTICK_NOT_AVAILABLE;
8000
8001   FadeSetEnterMenu();
8002   FadeOut(REDRAW_FIELD);
8003
8004   // close all joystick devices (potentially opened as game controllers)
8005   for (i = 0; i < SDL_NumJoysticks(); i++)
8006     SDLCloseJoystick(i);
8007
8008   // open joystick device as plain joystick to configure as game controller
8009   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8010
8011   // as the joystick was successfully opened before, this should not happen
8012   if (joystick == NULL)
8013     return FALSE;
8014
8015   // create new game controller mapping (buttons and axes) for joystick device
8016   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8017
8018   // close joystick (and maybe re-open as configured game controller later)
8019   SDL_JoystickClose(joystick);
8020
8021   // re-open all joystick devices (potentially as game controllers)
8022   for (i = 0; i < SDL_NumJoysticks(); i++)
8023     SDLOpenJoystick(i);
8024
8025   // clear all joystick input actions for all joystick devices
8026   SDLClearJoystickState();
8027
8028   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8029 }
8030
8031 void ConfigureJoystick(int player_nr)
8032 {
8033   boolean state = ConfigureJoystickMain(player_nr);
8034
8035   if (state != JOYSTICK_NOT_CONFIGURED)
8036   {
8037     boolean success = (state == JOYSTICK_CONFIGURED);
8038     char message1[MAX_OUTPUT_LINESIZE + 1];
8039     char *message2 = (success ? "configured!" : "not available!");
8040     char *device_name = setup.input[player_nr].joy.device_name;
8041     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8042     int font_nr = FONT_TITLE_1;
8043     int font_height = getFontHeight(font_nr);
8044     int ypos1 = SYSIZE / 2 - font_height * 2;
8045     int ypos2 = SYSIZE / 2 - font_height * 1;
8046     unsigned int wait_frame_delay = 0;
8047     unsigned int wait_frame_delay_value = 2000;
8048
8049     ResetDelayCounter(&wait_frame_delay);
8050
8051     ClearField();
8052
8053     sprintf(message1, "Joystick %d", nr);
8054
8055     DrawTextSCentered(ypos1, font_nr, message1);
8056     DrawTextSCentered(ypos2, font_nr, message2);
8057
8058     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8059       BackToFront();
8060
8061     ClearEventQueue();
8062   }
8063
8064   DrawSetupScreen_Input();
8065 }
8066
8067 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8068 {
8069   if (y < video.screen_height / 3)
8070   {
8071     // remap touch gadgets to access upper part of the screen
8072     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8073     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8074   }
8075   else if (y > 2 * video.screen_height / 3)
8076   {
8077     // remap touch gadgets to access lower part of the screen
8078     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8079     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8080   }
8081 }
8082
8083 static boolean ConfigureVirtualButtonsMain(void)
8084 {
8085   static char *customize_step_text[] =
8086   {
8087     "Move Left",
8088     "Move Right",
8089     "Move Up",
8090     "Move Down",
8091     "Snap Field",
8092     "Drop Element"
8093   };
8094   char grid_button[] =
8095   {
8096     CHAR_GRID_BUTTON_LEFT,
8097     CHAR_GRID_BUTTON_RIGHT,
8098     CHAR_GRID_BUTTON_UP,
8099     CHAR_GRID_BUTTON_DOWN,
8100     CHAR_GRID_BUTTON_SNAP,
8101     CHAR_GRID_BUTTON_DROP
8102   };
8103   enum
8104   {
8105     ACTION_NONE,
8106     ACTION_ESCAPE,
8107     ACTION_BACK,
8108     ACTION_NEXT
8109   };
8110   int font_nr = FONT_INPUT_1_ACTIVE;
8111   int font_height = getFontHeight(font_nr);
8112   int ypos1 = SYSIZE / 2 - font_height * 2;
8113   int ypos2 = SYSIZE / 2 - font_height * 1;
8114   boolean success = FALSE;
8115   boolean finished = FALSE;
8116   int step_nr = 0;
8117   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8118   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8119   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8120   boolean set_grid_button = FALSE;
8121   int nr = GRID_ACTIVE_NR();
8122   int x, y;
8123
8124   for (x = 0; x < MAX_GRID_XSIZE; x++)
8125     for (y = 0; y < MAX_GRID_YSIZE; y++)
8126       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8127
8128   overlay.grid_button_highlight = grid_button[step_nr];
8129
8130   UnmapAllGadgets();
8131
8132   FadeSetEnterMenu();
8133   FadeOut(REDRAW_FIELD);
8134
8135   ClearField();
8136
8137   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8138   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8139   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8140
8141   FadeIn(REDRAW_FIELD);
8142
8143   SetOverlayShowGrid(TRUE);
8144
8145   // map gadgets for setup touch buttons menu screen
8146   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8147
8148   while (!finished)
8149   {
8150     Event event;
8151
8152     while (NextValidEvent(&event))
8153     {
8154       int action = ACTION_NONE;
8155
8156       // ---------- handle events and set the resulting action ----------
8157
8158       switch (event.type)
8159       {
8160         case EVENT_USER:
8161           {
8162             UserEvent *user = (UserEvent *)&event;
8163             int id = user->value1;
8164
8165             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8166                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8167                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8168                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8169                       ACTION_NONE);
8170           }
8171           break;
8172
8173         case EVENT_KEYPRESS:
8174           {
8175             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8176
8177             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8178                       key == KSYM_BackSpace ||
8179                       key == KSYM_Back ?        ACTION_BACK :
8180                       key == KSYM_Return ||
8181                       key == KSYM_Menu ||
8182                       key == KSYM_space ?       ACTION_NEXT :
8183                       ACTION_NONE);
8184           }
8185           break;
8186
8187         case EVENT_KEYRELEASE:
8188           key_joystick_mapping = 0;
8189           break;
8190
8191         case EVENT_BUTTONPRESS:
8192         case EVENT_BUTTONRELEASE:
8193           {
8194             ButtonEvent *button = (ButtonEvent *)&event;
8195
8196             motion_status = FALSE;
8197
8198             if (button->type == EVENT_BUTTONPRESS)
8199               button_status = button->button;
8200             else
8201               button_status = MB_RELEASED;
8202
8203             if (HandleGadgets(button->x, button->y, button_status))
8204             {
8205               // do not handle this button event anymore
8206               break;
8207             }
8208
8209             button->x += video.screen_xoffset;
8210             button->y += video.screen_yoffset;
8211
8212             x = button->x * overlay.grid_xsize / video.screen_width;
8213             y = button->y * overlay.grid_ysize / video.screen_height;
8214
8215             if (button->type == EVENT_BUTTONPRESS)
8216             {
8217               grid_button_draw =
8218                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8219                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8220
8221               set_grid_button = TRUE;
8222             }
8223
8224             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8225           }
8226           break;
8227
8228         case EVENT_MOTIONNOTIFY:
8229           {
8230             MotionEvent *motion = (MotionEvent *)&event;
8231
8232             motion_status = TRUE;
8233
8234             if (HandleGadgets(motion->x, motion->y, button_status))
8235             {
8236               // do not handle this button event anymore
8237               break;
8238             }
8239
8240             motion->x += video.screen_xoffset;
8241             motion->y += video.screen_yoffset;
8242
8243             x = motion->x * overlay.grid_xsize / video.screen_width;
8244             y = motion->y * overlay.grid_ysize / video.screen_height;
8245
8246             set_grid_button = TRUE;
8247
8248             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8249           }
8250           break;
8251
8252         case SDL_WINDOWEVENT:
8253           HandleWindowEvent((WindowEvent *) &event);
8254
8255           // check if device has been rotated
8256           if (nr != GRID_ACTIVE_NR())
8257           {
8258             nr = GRID_ACTIVE_NR();
8259
8260             for (x = 0; x < MAX_GRID_XSIZE; x++)
8261               for (y = 0; y < MAX_GRID_YSIZE; y++)
8262                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8263                   overlay.grid_button[x][y];
8264           }
8265
8266           break;
8267
8268         case SDL_APP_WILLENTERBACKGROUND:
8269         case SDL_APP_DIDENTERBACKGROUND:
8270         case SDL_APP_WILLENTERFOREGROUND:
8271         case SDL_APP_DIDENTERFOREGROUND:
8272           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8273           break;
8274
8275         default:
8276           HandleOtherEvents(&event);
8277           break;
8278       }
8279
8280       // ---------- perform action set by handling events ----------
8281
8282       if (action == ACTION_ESCAPE)
8283       {
8284         // abort and restore the old key bindings
8285
8286         for (x = 0; x < MAX_GRID_XSIZE; x++)
8287           for (y = 0; y < MAX_GRID_YSIZE; y++)
8288             overlay.grid_button[x][y] = grid_button_old[x][y];
8289
8290         FadeSkipNextFadeIn();
8291
8292         finished = TRUE;
8293       }
8294       else if (action == ACTION_BACK)
8295       {
8296         // keep the configured key bindings and go to previous page
8297
8298         step_nr--;
8299
8300         if (step_nr < 0)
8301         {
8302           FadeSkipNextFadeIn();
8303
8304           finished = TRUE;
8305         }
8306       }
8307       else if (action == ACTION_NEXT)
8308       {
8309         // keep the configured key bindings and go to next page
8310
8311         step_nr++;
8312
8313         // all virtual buttons configured
8314         if (step_nr == 6)
8315         {
8316           finished = TRUE;
8317           success = TRUE;
8318         }
8319       }
8320
8321       if (action != ACTION_NONE && !finished)
8322       {
8323         for (x = 0; x < MAX_GRID_XSIZE; x++)
8324           for (y = 0; y < MAX_GRID_YSIZE; y++)
8325             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8326
8327         overlay.grid_button_highlight = grid_button[step_nr];
8328
8329         // configure next virtual button
8330
8331         ClearField();
8332
8333         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8334         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8335         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8336       }
8337
8338       if (set_grid_button)
8339       {
8340         overlay.grid_button[x][y] =
8341           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8342            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8343            grid_button_tmp[x][y]);
8344
8345         set_grid_button = FALSE;
8346       }
8347     }
8348
8349     BackToFront();
8350   }
8351
8352   for (x = 0; x < MAX_GRID_XSIZE; x++)
8353     for (y = 0; y < MAX_GRID_YSIZE; y++)
8354       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8355
8356   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8357
8358   SetOverlayShowGrid(FALSE);
8359
8360   return success;
8361 }
8362
8363 void ConfigureVirtualButtons(void)
8364 {
8365   boolean success = ConfigureVirtualButtonsMain();
8366
8367   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8368                          SCREEN_MASK_TOUCH2);
8369
8370   if (success)
8371   {
8372     int font_nr = FONT_TITLE_1;
8373     int font_height = getFontHeight(font_nr);
8374     int ypos1 = SYSIZE / 2 - font_height * 2;
8375     int ypos2 = SYSIZE / 2 - font_height * 1;
8376     unsigned int wait_frame_delay = 0;
8377     unsigned int wait_frame_delay_value = 2000;
8378
8379     ResetDelayCounter(&wait_frame_delay);
8380
8381     ClearField();
8382
8383     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8384     DrawTextSCentered(ypos2, font_nr, "configured!");
8385
8386     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8387       BackToFront();
8388
8389     ClearEventQueue();
8390   }
8391 }
8392
8393 void DrawSetupScreen(void)
8394 {
8395   align_xoffset = 0;
8396   align_yoffset = 0;
8397
8398   if (setup_mode == SETUP_MODE_INPUT)
8399     DrawSetupScreen_Input();
8400   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8401     DrawChooseTree(&game_speed_current);
8402   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8403     DrawChooseTree(&scroll_delay_current);
8404   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8405     DrawChooseTree(&snapshot_mode_current);
8406   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8407     DrawChooseTree(&window_size_current);
8408   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8409     DrawChooseTree(&scaling_type_current);
8410   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8411     DrawChooseTree(&rendering_mode_current);
8412   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8413     DrawChooseTree(&vsync_mode_current);
8414   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8415     DrawChooseTree(&artwork.gfx_current);
8416   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8417     DrawChooseTree(&artwork.snd_current);
8418   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8419     DrawChooseTree(&artwork.mus_current);
8420   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8421     DrawChooseTree(&volume_simple_current);
8422   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8423     DrawChooseTree(&volume_loops_current);
8424   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8425     DrawChooseTree(&volume_music_current);
8426   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8427     DrawChooseTree(&touch_control_current);
8428   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8429     DrawChooseTree(&move_distance_current);
8430   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8431     DrawChooseTree(&drop_distance_current);
8432   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8433     DrawChooseTree(&transparency_current);
8434   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8435     DrawChooseTree(&grid_size_current[0][0]);
8436   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8437     DrawChooseTree(&grid_size_current[0][1]);
8438   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8439     DrawChooseTree(&grid_size_current[1][0]);
8440   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8441     DrawChooseTree(&grid_size_current[1][1]);
8442   else
8443     DrawSetupScreen_Generic();
8444
8445   PlayMenuSoundsAndMusic();
8446 }
8447
8448 void RedrawSetupScreenAfterFullscreenToggle(void)
8449 {
8450   if (setup_mode == SETUP_MODE_GRAPHICS ||
8451       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8452   {
8453     // update list selection from "setup.window_scaling_percent"
8454     execSetupGraphics_setWindowSizes(TRUE);
8455
8456     DrawSetupScreen();
8457   }
8458 }
8459
8460 void RedrawSetupScreenAfterScreenRotation(int nr)
8461 {
8462   int x, y;
8463
8464   if (setup_mode == SETUP_MODE_TOUCH)
8465   {
8466     // update virtual button settings (depending on screen orientation)
8467     DrawSetupScreen();
8468   }
8469   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8470   {
8471     // save already configured virtual buttons
8472     for (x = 0; x < MAX_GRID_XSIZE; x++)
8473       for (y = 0; y < MAX_GRID_YSIZE; y++)
8474         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8475   }
8476 }
8477
8478 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8479 {
8480   if (setup_mode == SETUP_MODE_INPUT)
8481     HandleSetupScreen_Input(mx, my, dx, dy, button);
8482   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8483     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8484   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8485     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8486   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8487     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8488   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8489     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8490   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8491     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8492   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8493     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8494   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8495     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8496   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8497     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8498   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8499     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8500   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8501     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8502   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8503     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8504   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8505     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8506   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8507     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8508   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8509     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8510   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8511     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8512   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8513     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8514   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8515     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8516   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8517     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8518   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8519     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8520   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8521     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8522   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8523     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8524   else
8525     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8526 }
8527
8528 void HandleGameActions(void)
8529 {
8530   if (setup.ask_on_game_over)
8531     CheckGameOver();
8532
8533   if (game.restart_game_message != NULL)
8534   {
8535     RequestRestartGame(game.restart_game_message);
8536
8537     return;
8538   }
8539
8540   if (game_status != GAME_MODE_PLAYING)
8541     return;
8542
8543   GameActions();        // main game loop
8544
8545   if (tape.auto_play && !tape.playing)
8546     AutoPlayTapes();    // continue automatically playing next tape
8547 }
8548
8549
8550 // ---------- new screen button stuff --------------------------------------
8551
8552 static struct
8553 {
8554   int gfx_unpressed, gfx_pressed;
8555   struct MenuPosInfo *pos;
8556   boolean *check_value;
8557   int gadget_id;
8558   int screen_mask;
8559   unsigned int event_mask;
8560   boolean is_touch_button;
8561   char *infotext;
8562 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8563 {
8564   {
8565     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8566     &menu.main.button.prev_level, NULL,
8567     SCREEN_CTRL_ID_PREV_LEVEL,
8568     SCREEN_MASK_MAIN,
8569     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8570     FALSE, "previous level"
8571   },
8572   {
8573     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8574     &menu.main.button.next_level, NULL,
8575     SCREEN_CTRL_ID_NEXT_LEVEL,
8576     SCREEN_MASK_MAIN,
8577     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8578     FALSE, "next level"
8579   },
8580   {
8581     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8582     &menu.main.button.first_level, NULL,
8583     SCREEN_CTRL_ID_FIRST_LEVEL,
8584     SCREEN_MASK_MAIN,
8585     GD_EVENT_RELEASED,
8586     FALSE, "first level"
8587   },
8588   {
8589     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8590     &menu.main.button.last_level, NULL,
8591     SCREEN_CTRL_ID_LAST_LEVEL,
8592     SCREEN_MASK_MAIN,
8593     GD_EVENT_RELEASED,
8594     FALSE, "last level"
8595   },
8596   {
8597     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8598     &menu.main.button.level_number, NULL,
8599     SCREEN_CTRL_ID_LEVEL_NUMBER,
8600     SCREEN_MASK_MAIN,
8601     GD_EVENT_RELEASED,
8602     FALSE, "level number"
8603   },
8604   {
8605     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8606     &menu.setup.button.prev_player, NULL,
8607     SCREEN_CTRL_ID_PREV_PLAYER,
8608     SCREEN_MASK_INPUT,
8609     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8610     FALSE, "previous player"
8611   },
8612   {
8613     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8614     &menu.setup.button.next_player, NULL,
8615     SCREEN_CTRL_ID_NEXT_PLAYER,
8616     SCREEN_MASK_INPUT,
8617     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8618     FALSE, "next player"
8619   },
8620   {
8621     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8622     &menu.main.button.insert_solution, NULL,
8623     SCREEN_CTRL_ID_INSERT_SOLUTION,
8624     SCREEN_MASK_MAIN_HAS_SOLUTION,
8625     GD_EVENT_RELEASED,
8626     FALSE, "insert solution tape"
8627   },
8628   {
8629     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8630     &menu.main.button.play_solution, NULL,
8631     SCREEN_CTRL_ID_PLAY_SOLUTION,
8632     SCREEN_MASK_MAIN_HAS_SOLUTION,
8633     GD_EVENT_RELEASED,
8634     FALSE, "play solution tape"
8635   },
8636   {
8637     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8638     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8639     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8640     SCREEN_MASK_MAIN,
8641     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8642     FALSE, "switch ECS/AGA chipset"
8643   },
8644   {
8645     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8646     &menu.setup.button.touch_back, NULL,
8647     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8648     SCREEN_MASK_TOUCH,
8649     GD_EVENT_RELEASED,
8650     TRUE, "previous page"
8651   },
8652   {
8653     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8654     &menu.setup.button.touch_next, NULL,
8655     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8656     SCREEN_MASK_TOUCH,
8657     GD_EVENT_RELEASED,
8658     TRUE, "next page"
8659   },
8660   {
8661     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8662     &menu.setup.button.touch_back2, NULL,
8663     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8664     SCREEN_MASK_TOUCH2,
8665     GD_EVENT_RELEASED,
8666     TRUE, "previous page"
8667   },
8668   {
8669     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8670     &menu.setup.button.touch_next2, NULL,
8671     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8672     SCREEN_MASK_TOUCH2,
8673     GD_EVENT_RELEASED,
8674     TRUE, "next page"
8675   },
8676 };
8677
8678 static struct
8679 {
8680   int gfx_unpressed, gfx_pressed;
8681   int x, y;
8682   int gadget_id;
8683   char *infotext;
8684 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8685 {
8686   {
8687     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8688     -1, -1,     // these values are not constant, but can change at runtime
8689     SCREEN_CTRL_ID_SCROLL_UP,
8690     "scroll up"
8691   },
8692   {
8693     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8694     -1, -1,     // these values are not constant, but can change at runtime
8695     SCREEN_CTRL_ID_SCROLL_DOWN,
8696     "scroll down"
8697   }
8698 };
8699
8700 static struct
8701 {
8702   int gfx_unpressed, gfx_pressed;
8703   int x, y;
8704   int width, height;
8705   int type;
8706   int gadget_id;
8707   char *infotext;
8708 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8709 {
8710   {
8711     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8712     -1, -1,     // these values are not constant, but can change at runtime
8713     -1, -1,     // these values are not constant, but can change at runtime
8714     GD_TYPE_SCROLLBAR_VERTICAL,
8715     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8716     "scroll level series vertically"
8717   }
8718 };
8719
8720 static struct
8721 {
8722   int graphic;
8723   int gadget_id;
8724   int x, y;
8725   int size;
8726   char *value;
8727   char *infotext;
8728 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8729 {
8730   {
8731     IMG_SETUP_INPUT_TEXT,
8732     SCREEN_CTRL_ID_NETWORK_SERVER,
8733     -1, -1,     // these values are not constant, but can change at runtime
8734     MAX_SETUP_TEXT_INPUT_LEN,
8735     network_server_hostname,
8736     "Network Server Hostname / IP"
8737   },
8738 };
8739
8740 static void CreateScreenMenubuttons(void)
8741 {
8742   struct GadgetInfo *gi;
8743   unsigned int event_mask;
8744   int i;
8745
8746   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8747   {
8748     struct MenuPosInfo *pos = menubutton_info[i].pos;
8749     boolean is_touch_button = menubutton_info[i].is_touch_button;
8750     boolean is_check_button = menubutton_info[i].check_value != NULL;
8751     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8752     int gfx_unpressed, gfx_pressed;
8753     int x, y, width, height;
8754     int gd_x1, gd_x2, gd_y1, gd_y2;
8755     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
8756     int id = menubutton_info[i].gadget_id;
8757     int type = GD_TYPE_NORMAL_BUTTON;
8758     boolean checked = FALSE;
8759
8760     event_mask = menubutton_info[i].event_mask;
8761
8762     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
8763     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
8764
8765     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8766     height = graphic_info[menubutton_info[i].gfx_pressed].height;
8767
8768     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8769     gfx_pressed   = menubutton_info[i].gfx_pressed;
8770     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8771     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8772     gd_x1 = graphic_info[gfx_unpressed].src_x;
8773     gd_y1 = graphic_info[gfx_unpressed].src_y;
8774     gd_x2 = graphic_info[gfx_pressed].src_x;
8775     gd_y2 = graphic_info[gfx_pressed].src_y;
8776     gd_x1a = gd_x1;
8777     gd_y1a = gd_y1;
8778     gd_x2a = gd_x2;
8779     gd_y2a = gd_y2;
8780
8781     if (is_touch_button)
8782     {
8783       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
8784       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
8785     }
8786
8787     if (is_check_button)
8788     {
8789       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
8790       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
8791       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
8792       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
8793
8794       type = GD_TYPE_CHECK_BUTTON;
8795       checked = *menubutton_info[i].check_value;
8796     }
8797
8798     gi = CreateGadget(GDI_CUSTOM_ID, id,
8799                       GDI_CUSTOM_TYPE_ID, i,
8800                       GDI_IMAGE_ID, gfx_unpressed,
8801                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8802                       GDI_X, x,
8803                       GDI_Y, y,
8804                       GDI_WIDTH, width,
8805                       GDI_HEIGHT, height,
8806                       GDI_TYPE, type,
8807                       GDI_STATE, GD_BUTTON_UNPRESSED,
8808                       GDI_CHECKED, checked,
8809                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8810                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8811                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
8812                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
8813                       GDI_DIRECT_DRAW, FALSE,
8814                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
8815                       GDI_EVENT_MASK, event_mask,
8816                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8817                       GDI_END);
8818
8819     if (gi == NULL)
8820       Fail("cannot create gadget");
8821
8822     screen_gadget[id] = gi;
8823   }
8824 }
8825
8826 static void CreateScreenScrollbuttons(void)
8827 {
8828   struct GadgetInfo *gi;
8829   unsigned int event_mask;
8830   int i;
8831
8832   // these values are not constant, but can change at runtime
8833   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
8834   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
8835   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
8836   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
8837
8838   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8839   {
8840     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8841     int gfx_unpressed, gfx_pressed;
8842     int x, y, width, height;
8843     int gd_x1, gd_x2, gd_y1, gd_y2;
8844     int id = scrollbutton_info[i].gadget_id;
8845
8846     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8847
8848     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
8849     y = mSY + scrollbutton_info[i].y;
8850     width = SC_SCROLLBUTTON_XSIZE;
8851     height = SC_SCROLLBUTTON_YSIZE;
8852
8853     // correct scrollbar position if placed outside menu (playfield) area
8854     if (x > SX + SC_SCROLL_UP_XPOS)
8855       x = SX + SC_SCROLL_UP_XPOS;
8856
8857     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
8858       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
8859                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
8860
8861     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
8862     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
8863     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8864     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8865     gd_x1 = graphic_info[gfx_unpressed].src_x;
8866     gd_y1 = graphic_info[gfx_unpressed].src_y;
8867     gd_x2 = graphic_info[gfx_pressed].src_x;
8868     gd_y2 = graphic_info[gfx_pressed].src_y;
8869
8870     gi = CreateGadget(GDI_CUSTOM_ID, id,
8871                       GDI_CUSTOM_TYPE_ID, i,
8872                       GDI_IMAGE_ID, gfx_unpressed,
8873                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8874                       GDI_X, x,
8875                       GDI_Y, y,
8876                       GDI_WIDTH, width,
8877                       GDI_HEIGHT, height,
8878                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8879                       GDI_STATE, GD_BUTTON_UNPRESSED,
8880                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8881                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8882                       GDI_DIRECT_DRAW, FALSE,
8883                       GDI_EVENT_MASK, event_mask,
8884                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8885                       GDI_END);
8886
8887     if (gi == NULL)
8888       Fail("cannot create gadget");
8889
8890     screen_gadget[id] = gi;
8891   }
8892 }
8893
8894 static void CreateScreenScrollbars(void)
8895 {
8896   int i;
8897
8898   // these values are not constant, but can change at runtime
8899   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
8900   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
8901   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
8902   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
8903
8904   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8905   {
8906     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8907     int gfx_unpressed, gfx_pressed;
8908     int x, y, width, height;
8909     int gd_x1, gd_x2, gd_y1, gd_y2;
8910     struct GadgetInfo *gi;
8911     int items_max, items_visible, item_position;
8912     unsigned int event_mask;
8913     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
8914     int id = scrollbar_info[i].gadget_id;
8915
8916     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8917
8918     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
8919     y = mSY + scrollbar_info[i].y;
8920     width  = scrollbar_info[i].width;
8921     height = scrollbar_info[i].height;
8922
8923     // correct scrollbar position if placed outside menu (playfield) area
8924     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
8925       x = SX + SC_SCROLL_VERTICAL_XPOS;
8926
8927     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
8928       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
8929
8930     items_max = num_page_entries;
8931     items_visible = num_page_entries;
8932     item_position = 0;
8933
8934     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
8935     gfx_pressed   = scrollbar_info[i].gfx_pressed;
8936     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8937     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8938     gd_x1 = graphic_info[gfx_unpressed].src_x;
8939     gd_y1 = graphic_info[gfx_unpressed].src_y;
8940     gd_x2 = graphic_info[gfx_pressed].src_x;
8941     gd_y2 = graphic_info[gfx_pressed].src_y;
8942
8943     gi = CreateGadget(GDI_CUSTOM_ID, id,
8944                       GDI_CUSTOM_TYPE_ID, i,
8945                       GDI_IMAGE_ID, gfx_unpressed,
8946                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8947                       GDI_X, x,
8948                       GDI_Y, y,
8949                       GDI_WIDTH, width,
8950                       GDI_HEIGHT, height,
8951                       GDI_TYPE, scrollbar_info[i].type,
8952                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8953                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8954                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8955                       GDI_WHEEL_AREA_X, SX,
8956                       GDI_WHEEL_AREA_Y, SY,
8957                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
8958                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
8959                       GDI_STATE, GD_BUTTON_UNPRESSED,
8960                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8961                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8962                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
8963                       GDI_DIRECT_DRAW, FALSE,
8964                       GDI_EVENT_MASK, event_mask,
8965                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8966                       GDI_END);
8967
8968     if (gi == NULL)
8969       Fail("cannot create gadget");
8970
8971     screen_gadget[id] = gi;
8972   }
8973 }
8974
8975 static void CreateScreenTextInputGadgets(void)
8976 {
8977   int i;
8978
8979   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
8980   {
8981     int graphic = textinput_info[i].graphic;
8982     struct GraphicInfo *gd = &graphic_info[graphic];
8983     int gd_x1 = gd->src_x;
8984     int gd_y1 = gd->src_y;
8985     int gd_x2 = gd->src_x + gd->active_xoffset;
8986     int gd_y2 = gd->src_y + gd->active_yoffset;
8987     struct GadgetInfo *gi;
8988     unsigned int event_mask;
8989     int id = textinput_info[i].gadget_id;
8990     int x = textinput_info[i].x;
8991     int y = textinput_info[i].y;
8992
8993     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8994
8995     gi = CreateGadget(GDI_CUSTOM_ID, id,
8996                       GDI_CUSTOM_TYPE_ID, i,
8997                       GDI_INFO_TEXT, textinput_info[i].infotext,
8998                       GDI_X, SX + x,
8999                       GDI_Y, SY + y,
9000                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9001                       GDI_TEXT_VALUE, textinput_info[i].value,
9002                       GDI_TEXT_SIZE, textinput_info[i].size,
9003                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9004                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9005                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9006                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9007                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9008                       GDI_DESIGN_WIDTH, gd->width,
9009                       GDI_EVENT_MASK, event_mask,
9010                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9011                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9012                       GDI_END);
9013
9014     if (gi == NULL)
9015       Fail("cannot create gadget");
9016
9017     screen_gadget[id] = gi;
9018   }
9019 }
9020
9021 void CreateScreenGadgets(void)
9022 {
9023   CreateScreenMenubuttons();
9024
9025   CreateScreenScrollbuttons();
9026   CreateScreenScrollbars();
9027
9028   CreateScreenTextInputGadgets();
9029 }
9030
9031 void FreeScreenGadgets(void)
9032 {
9033   int i;
9034
9035   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9036     FreeGadget(screen_gadget[i]);
9037 }
9038
9039 static void MapScreenMenuGadgets(int screen_mask)
9040 {
9041   int i;
9042
9043   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9044     if (screen_mask & menubutton_info[i].screen_mask)
9045       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9046 }
9047
9048 static void UnmapScreenMenuGadgets(int screen_mask)
9049 {
9050   int i;
9051
9052   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9053   {
9054     if (screen_mask & menubutton_info[i].screen_mask)
9055     {
9056       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9057
9058       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9059         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9060                        screen_gadget[menubutton_info[i].gadget_id]->y,
9061                        screen_gadget[menubutton_info[i].gadget_id]->width,
9062                        screen_gadget[menubutton_info[i].gadget_id]->height);
9063     }
9064   }
9065 }
9066
9067 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9068 {
9069   if (map_gadgets)
9070     MapScreenMenuGadgets(screen_mask);
9071   else
9072     UnmapScreenMenuGadgets(screen_mask);
9073 }
9074
9075 static void MapScreenGadgets(int num_entries)
9076 {
9077   int i;
9078
9079   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9080     return;
9081
9082   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9083     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9084
9085   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9086     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9087 }
9088
9089 static void MapScreenTreeGadgets(TreeInfo *ti)
9090 {
9091   MapScreenGadgets(numTreeInfoInGroup(ti));
9092 }
9093
9094 static void HandleScreenGadgets(struct GadgetInfo *gi)
9095 {
9096   int id = gi->custom_id;
9097   int button = gi->event.button;
9098   int step = (button == MB_LEFTBUTTON   ? 1 :
9099               button == MB_MIDDLEBUTTON ? 5 :
9100               button == MB_RIGHTBUTTON  ? 10 : 1);
9101
9102   switch (id)
9103   {
9104     case SCREEN_CTRL_ID_PREV_LEVEL:
9105       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9106       break;
9107
9108     case SCREEN_CTRL_ID_NEXT_LEVEL:
9109       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9110       break;
9111
9112     case SCREEN_CTRL_ID_FIRST_LEVEL:
9113       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9114       break;
9115
9116     case SCREEN_CTRL_ID_LAST_LEVEL:
9117       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9118       break;
9119
9120     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9121       CloseDoor(DOOR_CLOSE_2);
9122       SetGameStatus(GAME_MODE_LEVELNR);
9123       DrawChooseLevelNr();
9124       break;
9125
9126     case SCREEN_CTRL_ID_PREV_PLAYER:
9127       HandleSetupScreen_Input_Player(step, -1);
9128       break;
9129
9130     case SCREEN_CTRL_ID_NEXT_PLAYER:
9131       HandleSetupScreen_Input_Player(step, +1);
9132       break;
9133
9134     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9135       InsertSolutionTape();
9136       break;
9137
9138     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9139       PlaySolutionTape();
9140       break;
9141
9142     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9143       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9144       DrawMainMenu();
9145       break;
9146
9147     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9148     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9149     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9150     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9151       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9152       break;
9153
9154     case SCREEN_CTRL_ID_SCROLL_UP:
9155       if (game_status == GAME_MODE_NAMES)
9156         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9157       else if (game_status == GAME_MODE_LEVELS)
9158         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9159       else if (game_status == GAME_MODE_LEVELNR)
9160         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9161       else if (game_status == GAME_MODE_SETUP)
9162         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9163       else if (game_status == GAME_MODE_INFO)
9164         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9165       break;
9166
9167     case SCREEN_CTRL_ID_SCROLL_DOWN:
9168       if (game_status == GAME_MODE_NAMES)
9169         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9170       else if (game_status == GAME_MODE_LEVELS)
9171         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9172       else if (game_status == GAME_MODE_LEVELNR)
9173         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9174       else if (game_status == GAME_MODE_SETUP)
9175         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9176       else if (game_status == GAME_MODE_INFO)
9177         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9178       break;
9179
9180     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9181       if (game_status == GAME_MODE_NAMES)
9182         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9183       else if (game_status == GAME_MODE_LEVELS)
9184         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9185       else if (game_status == GAME_MODE_LEVELNR)
9186         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9187       else if (game_status == GAME_MODE_SETUP)
9188         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9189       else if (game_status == GAME_MODE_INFO)
9190         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9191       break;
9192
9193     case SCREEN_CTRL_ID_NETWORK_SERVER:
9194     {
9195       if (!strEqual(gi->textinput.value, ""))
9196       {
9197         setString(&setup.network_server_hostname, gi->textinput.value);
9198
9199         network.server_host = setup.network_server_hostname;
9200       }
9201       else
9202       {
9203         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9204
9205         network.server_host = NULL;
9206       }
9207
9208       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9209         network.server_host = NULL;
9210
9211       execSetupGame_setNetworkServerText();
9212
9213       DrawSetupScreen();
9214
9215       break;
9216     }
9217
9218     default:
9219       break;
9220   }
9221 }
9222
9223 void DumpScreenIdentifiers(void)
9224 {
9225   int i;
9226
9227   Print("Active screen elements on current screen:\n");
9228
9229   for (i = 0; main_controls[i].nr != -1; i++)
9230   {
9231     struct MainControlInfo *mci = &main_controls[i];
9232
9233     if (mci->button_graphic != -1)
9234     {
9235       char *token = getTokenFromImageID(mci->button_graphic);
9236
9237       Print("- '%s'\n", token);
9238     }
9239   }
9240
9241   Print("Done.\n");
9242 }
9243
9244 boolean DoScreenAction(int image_id)
9245 {
9246   int i;
9247
9248   if (game_status != GAME_MODE_MAIN)
9249     return FALSE;
9250
9251   for (i = 0; main_controls[i].nr != -1; i++)
9252   {
9253     struct MainControlInfo *mci = &main_controls[i];
9254     struct MenuPosInfo *pos = mci->pos_button;
9255
9256     if (mci->button_graphic == image_id)
9257     {
9258       int x = mSX + pos->x;
9259       int y = mSY + pos->y;
9260
9261       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9262
9263       return TRUE;
9264     }
9265   }
9266
9267   return FALSE;
9268 }
9269
9270 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9271 {
9272   // get tree info node of newly added level or artwork set
9273   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9274   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9275                                                       tree_subdir_new);
9276   if (tree_node_new == NULL)    // should not happen
9277     return;
9278
9279   // if request dialog is active, do nothing
9280   if (game.request_active)
9281     return;
9282
9283   if (game_status == GAME_MODE_MAIN &&
9284       tree_type == TREE_TYPE_LEVEL_DIR)
9285   {
9286     // when adding new level set in main menu, select it as current level set
9287
9288     // change current level set to newly added level set from zip file
9289     leveldir_current = tree_node_new;
9290
9291     // change current level number to first level of newly added level set
9292     level_nr = leveldir_current->first_level;
9293
9294     // redraw screen to reflect changed level set
9295     DrawMainMenu();
9296
9297     // save this level set and level number as last selected level set
9298     SaveLevelSetup_LastSeries();
9299     SaveLevelSetup_SeriesInfo();
9300   }
9301   else if (game_status == GAME_MODE_LEVELS &&
9302            tree_type == TREE_TYPE_LEVEL_DIR)
9303   {
9304     // when adding new level set in level set menu, set cursor and update screen
9305
9306     leveldir_current = tree_node_new;
9307
9308     DrawChooseTree(&leveldir_current);
9309   }
9310   else if (game_status == GAME_MODE_SETUP)
9311   {
9312     // when adding new artwork set in setup menu, set cursor and update screen
9313
9314     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9315         tree_type == TREE_TYPE_GRAPHICS_DIR)
9316     {
9317       artwork.gfx_current = tree_node_new;
9318
9319       DrawChooseTree(&artwork.gfx_current);
9320     }
9321     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9322              tree_type == TREE_TYPE_SOUNDS_DIR)
9323     {
9324       artwork.snd_current = tree_node_new;
9325
9326       DrawChooseTree(&artwork.snd_current);
9327     }
9328     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9329              tree_type == TREE_TYPE_MUSIC_DIR)
9330     {
9331       artwork.mus_current = tree_node_new;
9332
9333       DrawChooseTree(&artwork.mus_current);
9334     }
9335   }
9336 }