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 TreeInfo *type_name_node = NULL;
3982 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
3983
3984 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
3985 {
3986   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3987
3988   *pos = *mci->pos_input;
3989
3990   if (0 && setup.multiple_users)        // (not used yet)
3991   {
3992     TreeInfo *ti = player_name_current;
3993     int first_entry = ti->cl_first;
3994     int entry_pos = first_entry + ti->cl_cursor;
3995     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
3996     int xpos = MENU_SCREEN_START_XPOS;
3997     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
3998
3999     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4000
4001     strcpy(name, type_name_node->name);
4002
4003     pos->x = xpos * 32;
4004     pos->y = ypos * 32;
4005   }
4006   else
4007   {
4008     strcpy(name, setup.player_name);
4009   }
4010
4011   strcpy(type_name_last, name);
4012
4013   if (strEqual(name, EMPTY_PLAYER_NAME))
4014     strcpy(name, "");
4015
4016   *xpos = strlen(name);
4017 }
4018
4019 static void setTypeNameValues(char *name, int *font, boolean success)
4020 {
4021   if (!success)
4022     strcpy(name, type_name_last);
4023
4024   if (strEqual(name, ""))
4025     strcpy(name, EMPTY_PLAYER_NAME);
4026
4027   if (0 && setup.multiple_users)        // (not used yet)
4028   {
4029     if (type_name_node == NULL)         // should not happen
4030       return;
4031
4032     if (success)
4033     {
4034       type_name_node->color = FC_RED;
4035
4036       if (strEqual(name, EMPTY_PLAYER_NAME))
4037         type_name_node->color = FC_BLUE;
4038     }
4039
4040     *font = FONT_TEXT_1 + type_name_node->color;
4041   }
4042
4043   if (!success)
4044     return;
4045
4046   int last_user_nr = user.nr;
4047
4048   if (0 && setup.multiple_users)        // (not used yet)
4049   {
4050     int edit_user_nr = posTreeInfo(type_name_node);
4051
4052     // change name of edited user in global list of user names
4053     setString(&global.user_names[edit_user_nr], name);
4054
4055     // change name of edited user in local menu tree structure
4056     setString(&type_name_node->name, name);
4057     setString(&type_name_node->name_sorting, name);
4058
4059     // save setup of currently active user (may differ from edited user)
4060     SaveSetup();
4061
4062     // temporarily change active user to edited user
4063     user.nr = edit_user_nr;
4064
4065     // load setup of edited user
4066     LoadSetup();
4067   }
4068
4069   // change name of edited user in setup structure
4070   strcpy(setup.player_name, name);
4071
4072   // save setup of edited user
4073   SaveSetup();
4074
4075   if (0 && setup.multiple_users)        // (not used yet)
4076   {
4077     // restore currently active user
4078     user.nr = last_user_nr;
4079
4080     // restore setup of currently active user
4081     LoadSetup();
4082   }
4083 }
4084
4085 static void HandleTypeNameExt(boolean initialize, Key key)
4086 {
4087   static struct TextPosInfo pos_name = { 0 };
4088   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4089   static int xpos = 0;
4090
4091   if (initialize)
4092     getTypeNameValues(name, &pos_name, &xpos);
4093
4094   struct TextPosInfo *pos = &pos_name;
4095   int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4096   int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4097   int font_nr = pos->font;
4098   int font_active_nr = FONT_ACTIVE(font_nr);
4099   int font_width = getFontWidth(font_active_nr);
4100   char key_char = getValidConfigValueChar(getCharFromKey(key));
4101   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4102   boolean is_active = TRUE;
4103
4104   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_active_nr);
4105
4106   if (initialize)
4107   {
4108     StartTextInput(sx, sy, pos->width, pos->height);
4109   }
4110   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4111   {
4112     name[xpos] = key_char;
4113     name[xpos + 1] = 0;
4114
4115     xpos++;
4116   }
4117   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4118   {
4119     xpos--;
4120
4121     name[xpos] = 0;
4122   }
4123   else if (key == KSYM_Return)
4124   {
4125     setTypeNameValues(name, &font_nr, TRUE);
4126
4127     is_active = FALSE;
4128   }
4129   else if (key == KSYM_Escape)
4130   {
4131     setTypeNameValues(name, &font_nr, FALSE);
4132
4133     is_active = FALSE;
4134   }
4135
4136   if (is_active)
4137   {
4138     pos->width = (strlen(name) + 1) * font_width;
4139     sx = mSX + ALIGNED_TEXT_XPOS(pos);
4140
4141     DrawText(sx, sy, name, font_active_nr);
4142     DrawText(sx + xpos * font_width, sy, "_", font_active_nr);
4143   }
4144   else
4145   {
4146     SetGameStatus(game_status_last_screen);
4147
4148     pos->width = strlen(name) * font_width;
4149     sx = mSX + ALIGNED_TEXT_XPOS(pos);
4150
4151     DrawText(sx, sy, name, font_nr);
4152
4153     StopTextInput();
4154   }
4155 }
4156
4157 static void DrawTypeName(void)
4158 {
4159   HandleTypeNameExt(TRUE, 0);
4160 }
4161
4162 void HandleTypeName(Key key)
4163 {
4164   HandleTypeNameExt(FALSE, key);
4165 }
4166
4167
4168 // ============================================================================
4169 // tree menu functions
4170 // ============================================================================
4171
4172 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4173 {
4174   if (game_status != GAME_MODE_SETUP ||
4175       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4176     return 0;
4177
4178   int max_text_size = 0;
4179   TreeInfo *node;
4180
4181   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4182     max_text_size = MAX(max_text_size, strlen(node->name));
4183
4184   int num_entries = numTreeInfoInGroup(ti);
4185   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4186   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4187   int button_width = SC_MENUBUTTON_XSIZE;
4188   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4189   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4190   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4191   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4192   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4193   int align_xoffset = MAX(0, align_xoffset_raw);
4194
4195   return align_xoffset;
4196 }
4197
4198 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4199 {
4200   if (game_status != GAME_MODE_SETUP ||
4201       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4202     return 0;
4203
4204   int num_entries = numTreeInfoInGroup(ti);
4205   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4206   int font_height = getFontHeight(FONT_TEXT_1);
4207   int text_height = font_height * num_page_entries;
4208   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4209   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4210   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4211   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4212   int align_yoffset = MAX(0, align_yoffset_raw);
4213
4214   return align_yoffset;
4215 }
4216
4217 static void DrawChooseTree(TreeInfo **ti_ptr)
4218 {
4219   int fade_mask = REDRAW_FIELD;
4220
4221   if (CheckFadeAll())
4222     fade_mask = REDRAW_ALL;
4223
4224   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4225   {
4226     SetGameStatus(GAME_MODE_MAIN);
4227
4228     DrawMainMenu();
4229
4230     return;
4231   }
4232
4233   UnmapAllGadgets();
4234
4235   FreeScreenGadgets();
4236   CreateScreenGadgets();
4237
4238   FadeOut(fade_mask);
4239
4240   // needed if different viewport properties defined for choosing level (set)
4241   ChangeViewportPropertiesIfNeeded();
4242
4243   if (game_status == GAME_MODE_NAMES)
4244     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4245   else if (game_status == GAME_MODE_LEVELNR)
4246     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4247   else if (game_status == GAME_MODE_LEVELS)
4248     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4249
4250   ClearField();
4251
4252   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4253
4254   MapScreenTreeGadgets(*ti_ptr);
4255   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4256
4257   DrawMaskedBorder(fade_mask);
4258
4259   FadeIn(fade_mask);
4260 }
4261
4262 static void drawChooseTreeList(int first_entry, int num_page_entries,
4263                                TreeInfo *ti)
4264 {
4265   int num_entries = numTreeInfoInGroup(ti);
4266   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4267   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4268   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4269   int font_nr = FONT_TEXT_1;
4270   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4271   int i;
4272   char *title_string = NULL;
4273   int yoffset_sets = MENU_TITLE1_YPOS;
4274   int yoffset_setup = 16;
4275   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4276                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4277
4278   title_string = ti->infotext;
4279
4280   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4281
4282   clearMenuListArea();
4283
4284   for (i = 0; i < num_page_entries; i++)
4285   {
4286     TreeInfo *node, *node_first;
4287     int entry_pos = first_entry + i;
4288     int xpos = MENU_SCREEN_START_XPOS;
4289     int ypos = MENU_SCREEN_START_YPOS + i;
4290     int startx = amSX + xpos * 32;
4291     int starty = amSY + ypos * 32;
4292     int startx_text = startx + font_xoffset;
4293     int endx_text = amSX + screen_width;
4294     int max_text_size = endx_text - startx_text;
4295     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4296     char buffer[max_buffer_len + 1];
4297
4298     node_first = getTreeInfoFirstGroupEntry(ti);
4299     node = getTreeInfoFromPos(node_first, entry_pos);
4300
4301     strncpy(buffer, node->name, max_buffer_len);
4302     buffer[max_buffer_len] = '\0';
4303
4304     DrawText(startx, starty, buffer, font_nr + node->color);
4305
4306     if (node->parent_link)
4307       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4308     else if (node->level_group)
4309       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4310     else
4311       initCursor(i, IMG_MENU_BUTTON);
4312   }
4313
4314   redraw_mask |= REDRAW_FIELD;
4315 }
4316
4317 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4318 {
4319   TreeInfo *node, *node_first;
4320   int x, last_redraw_mask = redraw_mask;
4321   int ypos = MENU_TITLE2_YPOS;
4322   int font_nr = FONT_TITLE_2;
4323
4324   if (ti->type == TREE_TYPE_LEVEL_NR)
4325     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4326
4327   if (ti->type != TREE_TYPE_LEVEL_DIR)
4328     return;
4329
4330   node_first = getTreeInfoFirstGroupEntry(ti);
4331   node = getTreeInfoFromPos(node_first, entry_pos);
4332
4333   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4334
4335   if (node->parent_link)
4336     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4337                       node->node_parent->name);
4338   else if (node->level_group)
4339     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4340                       node->name);
4341   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4342     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4343                       node->levels, (node->levels > 1 ? "levels" : "level"),
4344                       node->class_desc);
4345
4346   // let BackToFront() redraw only what is needed
4347   redraw_mask = last_redraw_mask;
4348   for (x = 0; x < SCR_FIELDX; x++)
4349     MarkTileDirty(x, 1);
4350 }
4351
4352 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4353                              TreeInfo **ti_ptr)
4354 {
4355   TreeInfo *ti = *ti_ptr;
4356   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4357   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4358   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4359   int x = 0;
4360   int y = ti->cl_cursor;
4361   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4362   int num_entries = numTreeInfoInGroup(ti);
4363   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4364   boolean position_set_by_scrollbar = (dx == 999);
4365
4366   if (button == MB_MENU_INITIALIZE)
4367   {
4368     int num_entries = numTreeInfoInGroup(ti);
4369     int entry_pos = posTreeInfo(ti);
4370
4371     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4372     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4373
4374     if (ti->cl_first == -1)
4375     {
4376       // only on initialization
4377       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4378       ti->cl_cursor = entry_pos - ti->cl_first;
4379     }
4380     else if (ti->cl_cursor >= num_page_entries ||
4381              (num_entries > num_page_entries &&
4382               num_entries - ti->cl_first < num_page_entries))
4383     {
4384       // only after change of list size (by custom graphic configuration)
4385       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4386       ti->cl_cursor = entry_pos - ti->cl_first;
4387     }
4388
4389     if (position_set_by_scrollbar)
4390       ti->cl_first = dy;
4391     else
4392       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4393                                 ti->cl_first, ti);
4394
4395     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4396     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4397     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4398
4399     return;
4400   }
4401   else if (button == MB_MENU_LEAVE)
4402   {
4403     FadeSetLeaveMenu();
4404
4405     PlaySound(SND_MENU_ITEM_SELECTING);
4406
4407     if (ti->node_parent)
4408     {
4409       *ti_ptr = ti->node_parent;
4410       DrawChooseTree(ti_ptr);
4411     }
4412     else if (game_status == GAME_MODE_SETUP)
4413     {
4414       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4415           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4416           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4417         execSetupGame();
4418       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4419                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4420                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4421                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4422         execSetupGraphics();
4423       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4424                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4425                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4426         execSetupSound();
4427       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4428                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4429                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4430                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4431                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4432                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4433                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4434                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4435         execSetupTouch();
4436       else
4437         execSetupArtwork();
4438     }
4439     else
4440     {
4441       if (game_status == GAME_MODE_LEVELNR)
4442       {
4443         int new_level_nr = atoi(level_number_current->identifier);
4444
4445         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4446       }
4447
4448       SetGameStatus(GAME_MODE_MAIN);
4449
4450       DrawMainMenu();
4451     }
4452
4453     return;
4454   }
4455
4456   if (mx || my)         // mouse input
4457   {
4458     x = (mx - amSX) / 32;
4459     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4460   }
4461   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4462   {
4463     // move cursor instead of scrolling when already at start/end of list
4464     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4465       dy = -1;
4466     else if (dy == +1 * SCROLL_LINE &&
4467              ti->cl_first + num_page_entries == num_entries)
4468       dy = 1;
4469
4470     // handle scrolling screen one line or page
4471     if (ti->cl_cursor + dy < 0 ||
4472         ti->cl_cursor + dy > num_page_entries - 1)
4473     {
4474       boolean redraw = FALSE;
4475
4476       if (ABS(dy) == SCROLL_PAGE)
4477         step = num_page_entries - 1;
4478
4479       if (dy < 0 && ti->cl_first > 0)
4480       {
4481         // scroll page/line up
4482
4483         ti->cl_first -= step;
4484         if (ti->cl_first < 0)
4485           ti->cl_first = 0;
4486
4487         redraw = TRUE;
4488       }
4489       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4490       {
4491         // scroll page/line down
4492
4493         ti->cl_first += step;
4494         if (ti->cl_first + num_page_entries > num_entries)
4495           ti->cl_first = MAX(0, num_entries - num_page_entries);
4496
4497         redraw = TRUE;
4498       }
4499
4500       if (redraw)
4501       {
4502         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4503         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4504         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4505
4506         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4507                                   ti->cl_first, ti);
4508       }
4509
4510       return;
4511     }
4512
4513     // handle moving cursor one line
4514     y = ti->cl_cursor + dy;
4515   }
4516
4517   if (dx == 1)
4518   {
4519     TreeInfo *node_first, *node_cursor;
4520     int entry_pos = ti->cl_first + y;
4521
4522     node_first = getTreeInfoFirstGroupEntry(ti);
4523     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4524
4525     if (node_cursor->node_group)
4526     {
4527       FadeSetEnterMenu();
4528
4529       PlaySound(SND_MENU_ITEM_SELECTING);
4530
4531       node_cursor->cl_first = ti->cl_first;
4532       node_cursor->cl_cursor = ti->cl_cursor;
4533       *ti_ptr = node_cursor->node_group;
4534       DrawChooseTree(ti_ptr);
4535
4536       return;
4537     }
4538   }
4539   else if (dx == -1 && ti->node_parent)
4540   {
4541     FadeSetLeaveMenu();
4542
4543     PlaySound(SND_MENU_ITEM_SELECTING);
4544
4545     *ti_ptr = ti->node_parent;
4546     DrawChooseTree(ti_ptr);
4547
4548     return;
4549   }
4550
4551   if (!anyScrollbarGadgetActive() &&
4552       IN_VIS_MENU(x, y) &&
4553       mx < mx_right_border &&
4554       y >= 0 && y < num_page_entries)
4555   {
4556     if (button)
4557     {
4558       if (y != ti->cl_cursor)
4559       {
4560         PlaySound(SND_MENU_ITEM_ACTIVATING);
4561
4562         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4563         drawChooseTreeCursor(y, TRUE);
4564         drawChooseTreeInfo(ti->cl_first + y, ti);
4565
4566         ti->cl_cursor = y;
4567       }
4568       else if (dx < 0)
4569       {
4570         if (game_status == GAME_MODE_SETUP)
4571         {
4572           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4573               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4574               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4575             execSetupGame();
4576           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4577                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4578                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4579                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4580             execSetupGraphics();
4581           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4582                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4583                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4584             execSetupSound();
4585           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4586                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4587                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4588                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4589                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4590                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4591                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4592                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4593             execSetupTouch();
4594           else
4595             execSetupArtwork();
4596         }
4597       }
4598     }
4599     else
4600     {
4601       TreeInfo *node_first, *node_cursor;
4602       int entry_pos = ti->cl_first + y;
4603
4604       PlaySound(SND_MENU_ITEM_SELECTING);
4605
4606       node_first = getTreeInfoFirstGroupEntry(ti);
4607       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4608
4609       if (node_cursor->node_group)
4610       {
4611         FadeSetEnterMenu();
4612
4613         node_cursor->cl_first = ti->cl_first;
4614         node_cursor->cl_cursor = ti->cl_cursor;
4615         *ti_ptr = node_cursor->node_group;
4616         DrawChooseTree(ti_ptr);
4617       }
4618       else if (node_cursor->parent_link)
4619       {
4620         FadeSetLeaveMenu();
4621
4622         *ti_ptr = node_cursor->node_parent;
4623         DrawChooseTree(ti_ptr);
4624       }
4625       else
4626       {
4627         FadeSetEnterMenu();
4628
4629         node_cursor->cl_first = ti->cl_first;
4630         node_cursor->cl_cursor = ti->cl_cursor;
4631         *ti_ptr = node_cursor;
4632
4633         if (ti->type == TREE_TYPE_LEVEL_DIR)
4634         {
4635           LoadLevelSetup_SeriesInfo();
4636
4637           SaveLevelSetup_LastSeries();
4638           SaveLevelSetup_SeriesInfo();
4639           TapeErase();
4640         }
4641
4642         if (game_status == GAME_MODE_SETUP)
4643         {
4644           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4645               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4646               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4647             execSetupGame();
4648           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4649                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4650                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4651                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4652             execSetupGraphics();
4653           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4654                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4655                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4656             execSetupSound();
4657           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4658                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4659                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4660                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4661                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4662                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4663                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4664                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4665             execSetupTouch();
4666           else
4667             execSetupArtwork();
4668         }
4669         else
4670         {
4671           if (game_status == GAME_MODE_LEVELNR)
4672           {
4673             int new_level_nr = atoi(level_number_current->identifier);
4674
4675             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4676           }
4677
4678           SetGameStatus(GAME_MODE_MAIN);
4679
4680           DrawMainMenu();
4681         }
4682       }
4683     }
4684   }
4685 }
4686
4687 void DrawChoosePlayerName(void)
4688 {
4689   int i;
4690
4691   FadeMenuSoundsAndMusic();
4692
4693   if (player_name != NULL)
4694   {
4695     freeTreeInfo(player_name);
4696
4697     player_name = NULL;
4698   }
4699
4700   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4701   {
4702     boolean team_mode = (!network.enabled && setup.team_mode);
4703     int tree_type = (team_mode ? TREE_TYPE_PLAYER_TEAM : TREE_TYPE_PLAYER_NAME);
4704     TreeInfo *ti = newTreeInfo_setDefaults(tree_type);
4705     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4706     int value = i;
4707
4708     ti->node_top = &player_name;
4709     ti->sort_priority = 10000 + value;
4710     ti->color = FC_RED;
4711
4712     if (strEqual(global.user_names[i], EMPTY_PLAYER_NAME))
4713       ti->color = FC_BLUE;
4714
4715     snprintf(identifier, sizeof(identifier), "%d", value);
4716     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4717
4718     setString(&ti->identifier, identifier);
4719     setString(&ti->name, name);
4720     setString(&ti->name_sorting, name);
4721
4722     pushTreeInfo(&player_name, ti);
4723   }
4724
4725   // sort player entries by player number
4726   sortTreeInfo(&player_name);
4727
4728   // set current player entry to selected player entry
4729   player_name_current =
4730     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4731
4732   // if that fails, set current player name to first available name
4733   if (player_name_current == NULL)
4734     player_name_current = player_name;
4735
4736   DrawChooseTree(&player_name_current);
4737
4738   PlayMenuSoundsAndMusic();
4739 }
4740
4741 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4742 {
4743   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4744 }
4745
4746 void DrawChooseLevelSet(void)
4747 {
4748   FadeMenuSoundsAndMusic();
4749
4750   DrawChooseTree(&leveldir_current);
4751
4752   PlayMenuSoundsAndMusic();
4753 }
4754
4755 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4756 {
4757   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4758 }
4759
4760 void DrawChooseLevelNr(void)
4761 {
4762   int i;
4763
4764   FadeMenuSoundsAndMusic();
4765
4766   if (level_number != NULL)
4767   {
4768     freeTreeInfo(level_number);
4769
4770     level_number = NULL;
4771   }
4772
4773   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4774   {
4775     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4776     char identifier[32], name[64];
4777     int value = i;
4778
4779     // temporarily load level info to get level name
4780     LoadLevelInfoOnly(i);
4781
4782     ti->node_top = &level_number;
4783     ti->sort_priority = 10000 + value;
4784     ti->color = (level.no_level_file ? FC_BLUE :
4785                  LevelStats_getSolved(i) ? FC_GREEN :
4786                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4787
4788     snprintf(identifier, sizeof(identifier), "%d", value);
4789     snprintf(name, sizeof(name), "%03d: %s", value,
4790              (level.no_level_file ? "(no file)" : level.name));
4791
4792     setString(&ti->identifier, identifier);
4793     setString(&ti->name, name);
4794     setString(&ti->name_sorting, name);
4795
4796     pushTreeInfo(&level_number, ti);
4797   }
4798
4799   // sort level number values to start with lowest level number
4800   sortTreeInfo(&level_number);
4801
4802   // set current level number to current level number
4803   level_number_current =
4804     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4805
4806   // if that also fails, set current level number to first available level
4807   if (level_number_current == NULL)
4808     level_number_current = level_number;
4809
4810   DrawChooseTree(&level_number_current);
4811
4812   PlayMenuSoundsAndMusic();
4813 }
4814
4815 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4816 {
4817   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4818 }
4819
4820 void DrawHallOfFame(int level_nr, int highlight_position)
4821 {
4822   int fade_mask = REDRAW_FIELD;
4823
4824   if (CheckFadeAll())
4825     fade_mask = REDRAW_ALL;
4826
4827   UnmapAllGadgets();
4828   FadeMenuSoundsAndMusic();
4829
4830   // (this is needed when called from GameEnd() after winning a game)
4831   KeyboardAutoRepeatOn();
4832
4833   // (this is needed when called from GameEnd() after winning a game)
4834   SetDrawDeactivationMask(REDRAW_NONE);
4835   SetDrawBackgroundMask(REDRAW_FIELD);
4836
4837   if (highlight_position < 0)
4838     LoadScore(level_nr);
4839   else
4840     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4841
4842   FadeSetEnterScreen();
4843
4844   FadeOut(fade_mask);
4845
4846   // needed if different viewport properties defined for scores
4847   ChangeViewportPropertiesIfNeeded();
4848
4849   PlayMenuSoundsAndMusic();
4850
4851   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4852
4853   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4854
4855   DrawMaskedBorder(fade_mask);
4856
4857   FadeIn(fade_mask);
4858 }
4859
4860 static void drawHallOfFameList(int level_nr, int first_entry,
4861                                int highlight_position)
4862 {
4863   int i, j;
4864
4865   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4866   ClearField();
4867
4868   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4869   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4870                     "HighScores of Level %d", level_nr);
4871
4872   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4873   {
4874     int entry = first_entry + i;
4875     boolean active = (entry == highlight_position);
4876     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4877     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4878     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4879     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4880     int dxoff = getFontDrawOffsetX(font_nr1);
4881     int dx1 = 3 * getFontWidth(font_nr1);
4882     int dx2 = dx1 + getFontWidth(font_nr1);
4883     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4884     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4885     int sy = mSY + 64 + i * 32;
4886
4887     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4888     DrawText(mSX + dx1, sy, ".", font_nr1);
4889
4890     for (j = 0; j < num_dots; j++)
4891       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4892
4893     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4894       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4895
4896     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4897   }
4898
4899   redraw_mask |= REDRAW_FIELD;
4900 }
4901
4902 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4903 {
4904   static int level_nr = 0;
4905   static int first_entry = 0;
4906   static int highlight_position = 0;
4907   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4908
4909   if (button == MB_MENU_INITIALIZE)
4910   {
4911     level_nr = mx;
4912     first_entry = 0;
4913     highlight_position = my;
4914
4915     drawHallOfFameList(level_nr, first_entry, highlight_position);
4916
4917     return;
4918   }
4919
4920   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
4921     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4922
4923   if (dy < 0)
4924   {
4925     if (first_entry > 0)
4926     {
4927       first_entry -= step;
4928       if (first_entry < 0)
4929         first_entry = 0;
4930
4931       drawHallOfFameList(level_nr, first_entry, highlight_position);
4932     }
4933   }
4934   else if (dy > 0)
4935   {
4936     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4937     {
4938       first_entry += step;
4939       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4940         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4941
4942       drawHallOfFameList(level_nr, first_entry, highlight_position);
4943     }
4944   }
4945   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
4946   {
4947     PlaySound(SND_MENU_ITEM_SELECTING);
4948
4949     FadeSound(SND_BACKGROUND_SCORES);
4950
4951     if (button == MB_MENU_CHOICE &&
4952         game_status_last_screen == GAME_MODE_PLAYING &&
4953         setup.auto_play_next_level && setup.increment_levels &&
4954         level_nr < leveldir_current->last_level &&
4955         !network_playing)
4956     {
4957       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4958     }
4959     else
4960     {
4961       SetGameStatus(GAME_MODE_MAIN);
4962
4963       DrawMainMenu();
4964     }
4965   }
4966
4967   if (game_status == GAME_MODE_SCORES)
4968     PlayMenuSoundIfLoop();
4969 }
4970
4971
4972 // ============================================================================
4973 // setup screen functions
4974 // ============================================================================
4975
4976 static struct TokenInfo *setup_info;
4977 static int num_setup_info;      // number of setup entries shown on screen
4978 static int max_setup_info;      // total number of setup entries in list
4979
4980 static char *window_size_text;
4981 static char *scaling_type_text;
4982 static char *rendering_mode_text;
4983 static char *vsync_mode_text;
4984 static char *scroll_delay_text;
4985 static char *snapshot_mode_text;
4986 static char *game_speed_text;
4987 static char *network_server_text;
4988 static char *graphics_set_name;
4989 static char *sounds_set_name;
4990 static char *music_set_name;
4991 static char *volume_simple_text;
4992 static char *volume_loops_text;
4993 static char *volume_music_text;
4994 static char *touch_controls_text;
4995 static char *move_distance_text;
4996 static char *drop_distance_text;
4997 static char *transparency_text;
4998 static char *grid_size_text[2][2];
4999
5000 static void execSetupMain(void)
5001 {
5002   setup_mode = SETUP_MODE_MAIN;
5003
5004   DrawSetupScreen();
5005 }
5006
5007 static void execSetupGame_setGameSpeeds(boolean update_value)
5008 {
5009   if (setup.game_speed_extended)
5010   {
5011     game_speeds_list = game_speeds_list_extended;
5012     game_speeds      = game_speeds_extended;
5013   }
5014   else
5015   {
5016     game_speeds_list = game_speeds_list_normal;
5017     game_speeds      = game_speeds_normal;
5018   }
5019
5020   if (game_speeds == NULL)
5021   {
5022     int i;
5023
5024     for (i = 0; game_speeds_list[i].value != -1; i++)
5025     {
5026       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5027       char identifier[32], name[32];
5028       int value = game_speeds_list[i].value;
5029       char *text = game_speeds_list[i].text;
5030
5031       ti->node_top = &game_speeds;
5032       ti->sort_priority = 10000 - value;
5033
5034       sprintf(identifier, "%d", value);
5035       sprintf(name, "%s", text);
5036
5037       setString(&ti->identifier, identifier);
5038       setString(&ti->name, name);
5039       setString(&ti->name_sorting, name);
5040       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5041
5042       pushTreeInfo(&game_speeds, ti);
5043     }
5044
5045     // sort game speed values to start with slowest game speed
5046     sortTreeInfo(&game_speeds);
5047
5048     update_value = TRUE;
5049   }
5050
5051   if (update_value)
5052   {
5053     // set current game speed to configured game speed value
5054     game_speed_current =
5055       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5056
5057     // if that fails, set current game speed to reliable default value
5058     if (game_speed_current == NULL)
5059       game_speed_current =
5060         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5061
5062     // if that also fails, set current game speed to first available speed
5063     if (game_speed_current == NULL)
5064       game_speed_current = game_speeds;
5065
5066     if (setup.game_speed_extended)
5067       game_speeds_extended = game_speeds;
5068     else
5069       game_speeds_normal = game_speeds;
5070   }
5071
5072   setup.game_frame_delay = atoi(game_speed_current->identifier);
5073
5074   // needed for displaying game speed text instead of identifier
5075   game_speed_text = game_speed_current->name;
5076 }
5077
5078 static void execSetupGame_setScrollDelays(void)
5079 {
5080   if (scroll_delays == NULL)
5081   {
5082     int i;
5083
5084     for (i = 0; scroll_delays_list[i].value != -1; i++)
5085     {
5086       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5087       char identifier[32], name[32];
5088       int value = scroll_delays_list[i].value;
5089       char *text = scroll_delays_list[i].text;
5090
5091       ti->node_top = &scroll_delays;
5092       ti->sort_priority = value;
5093
5094       sprintf(identifier, "%d", value);
5095       sprintf(name, "%s", text);
5096
5097       setString(&ti->identifier, identifier);
5098       setString(&ti->name, name);
5099       setString(&ti->name_sorting, name);
5100       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5101
5102       pushTreeInfo(&scroll_delays, ti);
5103     }
5104
5105     // sort scroll delay values to start with lowest scroll delay value
5106     sortTreeInfo(&scroll_delays);
5107
5108     // set current scroll delay value to configured scroll delay value
5109     scroll_delay_current =
5110       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5111
5112     // if that fails, set current scroll delay to reliable default value
5113     if (scroll_delay_current == NULL)
5114       scroll_delay_current =
5115         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5116
5117     // if that also fails, set current scroll delay to first available value
5118     if (scroll_delay_current == NULL)
5119       scroll_delay_current = scroll_delays;
5120   }
5121
5122   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5123
5124   // needed for displaying scroll delay text instead of identifier
5125   scroll_delay_text = scroll_delay_current->name;
5126 }
5127
5128 static void execSetupGame_setSnapshotModes(void)
5129 {
5130   if (snapshot_modes == NULL)
5131   {
5132     int i;
5133
5134     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5135     {
5136       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5137       char identifier[32], name[32];
5138       char *value = snapshot_modes_list[i].value;
5139       char *text = snapshot_modes_list[i].text;
5140
5141       ti->node_top = &snapshot_modes;
5142       ti->sort_priority = i;
5143
5144       sprintf(identifier, "%s", value);
5145       sprintf(name, "%s", text);
5146
5147       setString(&ti->identifier, identifier);
5148       setString(&ti->name, name);
5149       setString(&ti->name_sorting, name);
5150       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5151
5152       pushTreeInfo(&snapshot_modes, ti);
5153     }
5154
5155     // sort snapshot mode values to start with lowest snapshot mode value
5156     sortTreeInfo(&snapshot_modes);
5157
5158     // set current snapshot mode value to configured snapshot mode value
5159     snapshot_mode_current =
5160       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5161
5162     // if that fails, set current snapshot mode to reliable default value
5163     if (snapshot_mode_current == NULL)
5164       snapshot_mode_current =
5165         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5166
5167     // if that also fails, set current snapshot mode to first available value
5168     if (snapshot_mode_current == NULL)
5169       snapshot_mode_current = snapshot_modes;
5170   }
5171
5172   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5173
5174   // needed for displaying snapshot mode text instead of identifier
5175   snapshot_mode_text = snapshot_mode_current->name;
5176 }
5177
5178 static void execSetupGame_setNetworkServerText(void)
5179 {
5180   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5181   {
5182     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5183   }
5184   else
5185   {
5186     strncpy(network_server_hostname, setup.network_server_hostname,
5187             MAX_SETUP_TEXT_INPUT_LEN);
5188     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5189   }
5190
5191   // needed for displaying network server text instead of identifier
5192   network_server_text = network_server_hostname;
5193 }
5194
5195 static void execSetupGame(void)
5196 {
5197   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5198
5199   execSetupGame_setGameSpeeds(FALSE);
5200   execSetupGame_setScrollDelays();
5201   execSetupGame_setSnapshotModes();
5202
5203   execSetupGame_setNetworkServerText();
5204
5205   setup_mode = SETUP_MODE_GAME;
5206
5207   DrawSetupScreen();
5208
5209   // check if vsync needs to be disabled for this game speed to work
5210   if (check_vsync_mode)
5211     DisableVsyncIfNeeded();
5212 }
5213
5214 static void execSetupChooseGameSpeed(void)
5215 {
5216   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5217
5218   DrawSetupScreen();
5219 }
5220
5221 static void execSetupChooseScrollDelay(void)
5222 {
5223   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5224
5225   DrawSetupScreen();
5226 }
5227
5228 static void execSetupChooseSnapshotMode(void)
5229 {
5230   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5231
5232   DrawSetupScreen();
5233 }
5234
5235 static void execSetupEngines(void)
5236 {
5237   setup_mode = SETUP_MODE_ENGINES;
5238
5239   DrawSetupScreen();
5240 }
5241
5242 static void execSetupEditor(void)
5243 {
5244   setup_mode = SETUP_MODE_EDITOR;
5245
5246   DrawSetupScreen();
5247 }
5248
5249 static void execSetupGraphics_setWindowSizes(boolean update_list)
5250 {
5251   if (window_sizes != NULL && update_list)
5252   {
5253     freeTreeInfo(window_sizes);
5254
5255     window_sizes = NULL;
5256   }
5257
5258   if (window_sizes == NULL)
5259   {
5260     boolean current_window_size_found = FALSE;
5261     int i;
5262
5263     for (i = 0; window_sizes_list[i].value != -1; i++)
5264     {
5265       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5266       char identifier[32], name[32];
5267       int value = window_sizes_list[i].value;
5268       char *text = window_sizes_list[i].text;
5269
5270       ti->node_top = &window_sizes;
5271       ti->sort_priority = value;
5272
5273       sprintf(identifier, "%d", value);
5274       sprintf(name, "%s", text);
5275
5276       setString(&ti->identifier, identifier);
5277       setString(&ti->name, name);
5278       setString(&ti->name_sorting, name);
5279       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5280
5281       pushTreeInfo(&window_sizes, ti);
5282
5283       if (value == setup.window_scaling_percent)
5284         current_window_size_found = TRUE;
5285     }
5286
5287     if (!current_window_size_found)
5288     {
5289       // add entry for non-preset window scaling value
5290
5291       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5292       char identifier[32], name[32];
5293       int value = setup.window_scaling_percent;
5294
5295       ti->node_top = &window_sizes;
5296       ti->sort_priority = value;
5297
5298       sprintf(identifier, "%d", value);
5299       sprintf(name, "%d %% (Current)", value);
5300
5301       setString(&ti->identifier, identifier);
5302       setString(&ti->name, name);
5303       setString(&ti->name_sorting, name);
5304       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5305
5306       pushTreeInfo(&window_sizes, ti);
5307     }
5308
5309     // sort window size values to start with lowest window size value
5310     sortTreeInfo(&window_sizes);
5311
5312     // set current window size value to configured window size value
5313     window_size_current =
5314       getTreeInfoFromIdentifier(window_sizes,
5315                                 i_to_a(setup.window_scaling_percent));
5316
5317     // if that fails, set current window size to reliable default value
5318     if (window_size_current == NULL)
5319       window_size_current =
5320         getTreeInfoFromIdentifier(window_sizes,
5321                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5322
5323     // if that also fails, set current window size to first available value
5324     if (window_size_current == NULL)
5325       window_size_current = window_sizes;
5326   }
5327
5328   setup.window_scaling_percent = atoi(window_size_current->identifier);
5329
5330   // needed for displaying window size text instead of identifier
5331   window_size_text = window_size_current->name;
5332 }
5333
5334 static void execSetupGraphics_setScalingTypes(void)
5335 {
5336   if (scaling_types == NULL)
5337   {
5338     int i;
5339
5340     for (i = 0; scaling_types_list[i].value != NULL; i++)
5341     {
5342       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5343       char identifier[32], name[32];
5344       char *value = scaling_types_list[i].value;
5345       char *text = scaling_types_list[i].text;
5346
5347       ti->node_top = &scaling_types;
5348       ti->sort_priority = i;
5349
5350       sprintf(identifier, "%s", value);
5351       sprintf(name, "%s", text);
5352
5353       setString(&ti->identifier, identifier);
5354       setString(&ti->name, name);
5355       setString(&ti->name_sorting, name);
5356       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5357
5358       pushTreeInfo(&scaling_types, ti);
5359     }
5360
5361     // sort scaling type values to start with lowest scaling type value
5362     sortTreeInfo(&scaling_types);
5363
5364     // set current scaling type value to configured scaling type value
5365     scaling_type_current =
5366       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5367
5368     // if that fails, set current scaling type to reliable default value
5369     if (scaling_type_current == NULL)
5370       scaling_type_current =
5371         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5372
5373     // if that also fails, set current scaling type to first available value
5374     if (scaling_type_current == NULL)
5375       scaling_type_current = scaling_types;
5376   }
5377
5378   setup.window_scaling_quality = scaling_type_current->identifier;
5379
5380   // needed for displaying scaling type text instead of identifier
5381   scaling_type_text = scaling_type_current->name;
5382 }
5383
5384 static void execSetupGraphics_setRenderingModes(void)
5385 {
5386   if (rendering_modes == NULL)
5387   {
5388     int i;
5389
5390     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5391     {
5392       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5393       char identifier[32], name[32];
5394       char *value = rendering_modes_list[i].value;
5395       char *text = rendering_modes_list[i].text;
5396
5397       ti->node_top = &rendering_modes;
5398       ti->sort_priority = i;
5399
5400       sprintf(identifier, "%s", value);
5401       sprintf(name, "%s", text);
5402
5403       setString(&ti->identifier, identifier);
5404       setString(&ti->name, name);
5405       setString(&ti->name_sorting, name);
5406       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5407
5408       pushTreeInfo(&rendering_modes, ti);
5409     }
5410
5411     // sort rendering mode values to start with lowest rendering mode value
5412     sortTreeInfo(&rendering_modes);
5413
5414     // set current rendering mode value to configured rendering mode value
5415     rendering_mode_current =
5416       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5417
5418     // if that fails, set current rendering mode to reliable default value
5419     if (rendering_mode_current == NULL)
5420       rendering_mode_current =
5421         getTreeInfoFromIdentifier(rendering_modes,
5422                                   STR_SPECIAL_RENDERING_DEFAULT);
5423
5424     // if that also fails, set current rendering mode to first available one
5425     if (rendering_mode_current == NULL)
5426       rendering_mode_current = rendering_modes;
5427   }
5428
5429   setup.screen_rendering_mode = rendering_mode_current->identifier;
5430
5431   // needed for displaying rendering mode text instead of identifier
5432   rendering_mode_text = rendering_mode_current->name;
5433 }
5434
5435 static void execSetupGraphics_setVsyncModes(boolean update_value)
5436 {
5437   if (vsync_modes == NULL)
5438   {
5439     int i;
5440
5441     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5442     {
5443       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5444       char identifier[32], name[32];
5445       char *value = vsync_modes_list[i].value;
5446       char *text = vsync_modes_list[i].text;
5447
5448       ti->node_top = &vsync_modes;
5449       ti->sort_priority = i;
5450
5451       sprintf(identifier, "%s", value);
5452       sprintf(name, "%s", text);
5453
5454       setString(&ti->identifier, identifier);
5455       setString(&ti->name, name);
5456       setString(&ti->name_sorting, name);
5457       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5458
5459       pushTreeInfo(&vsync_modes, ti);
5460     }
5461
5462     // sort vsync mode values to start with lowest vsync mode value
5463     sortTreeInfo(&vsync_modes);
5464
5465     update_value = TRUE;
5466   }
5467
5468   if (update_value)
5469   {
5470     // set current vsync mode value to configured vsync mode value
5471     vsync_mode_current =
5472       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5473
5474     // if that fails, set current vsync mode to reliable default value
5475     if (vsync_mode_current == NULL)
5476       vsync_mode_current =
5477         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5478
5479     // if that also fails, set current vsync mode to first available one
5480     if (vsync_mode_current == NULL)
5481       vsync_mode_current = vsync_modes;
5482   }
5483
5484   setup.vsync_mode = vsync_mode_current->identifier;
5485
5486   // needed for displaying vsync mode text instead of identifier
5487   vsync_mode_text = vsync_mode_current->name;
5488 }
5489
5490 static void execSetupGraphics(void)
5491 {
5492   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5493
5494   // update "setup.window_scaling_percent" from list selection
5495   // (in this case, window scaling was changed on setup screen)
5496   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5497     execSetupGraphics_setWindowSizes(FALSE);
5498
5499   // update "setup.vsync_mode" from list selection
5500   // (in this case, vsync mode was changed on setup screen)
5501   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5502     execSetupGraphics_setVsyncModes(FALSE);
5503
5504   // update list selection from "setup.window_scaling_percent"
5505   // (window scaling may have changed by resizing the window)
5506   execSetupGraphics_setWindowSizes(TRUE);
5507
5508   // update list selection from "setup.vsync_mode"
5509   // (vsync_mode may have changed by re-creating the renderer)
5510   execSetupGraphics_setVsyncModes(TRUE);
5511
5512   execSetupGraphics_setScalingTypes();
5513   execSetupGraphics_setRenderingModes();
5514
5515   setup_mode = SETUP_MODE_GRAPHICS;
5516
5517   DrawSetupScreen();
5518
5519   // check if game speed is high enough for 60 Hz vsync to work
5520   if (check_game_speed)
5521     ModifyGameSpeedIfNeeded();
5522
5523   // window scaling may have changed at this point
5524   ChangeWindowScalingIfNeeded();
5525
5526   // window scaling quality may have changed at this point
5527   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5528     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5529
5530   // screen rendering mode may have changed at this point
5531   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5532
5533   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5534   int video_vsync_mode = video.vsync_mode;
5535
5536   // screen vsync mode may have changed at this point
5537   ChangeVsyncModeIfNeeded();
5538
5539   // check if setting vsync mode to selected value failed
5540   if (setup_vsync_mode != video_vsync_mode &&
5541       setup_vsync_mode != video.vsync_mode)
5542   {
5543     // changing vsync mode to selected value failed -- reset displayed value
5544     execSetupGraphics_setVsyncModes(TRUE);
5545
5546     Request("Setting VSync failed!", REQ_CONFIRM);
5547
5548     DrawSetupScreen();
5549   }
5550 }
5551
5552 static void execSetupChooseWindowSize(void)
5553 {
5554   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5555
5556   DrawSetupScreen();
5557 }
5558
5559 static void execSetupChooseScalingType(void)
5560 {
5561   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5562
5563   DrawSetupScreen();
5564 }
5565
5566 static void execSetupChooseRenderingMode(void)
5567 {
5568   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5569
5570   DrawSetupScreen();
5571 }
5572
5573 static void execSetupChooseVsyncMode(void)
5574 {
5575   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5576
5577   DrawSetupScreen();
5578 }
5579
5580 static void execSetupChooseVolumeSimple(void)
5581 {
5582   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5583
5584   DrawSetupScreen();
5585 }
5586
5587 static void execSetupChooseVolumeLoops(void)
5588 {
5589   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5590
5591   DrawSetupScreen();
5592 }
5593
5594 static void execSetupChooseVolumeMusic(void)
5595 {
5596   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5597
5598   DrawSetupScreen();
5599 }
5600
5601 static void execSetupSound(void)
5602 {
5603   if (volumes_simple == NULL)
5604   {
5605     boolean current_volume_simple_found = FALSE;
5606     int i;
5607
5608     for (i = 0; volumes_list[i].value != -1; i++)
5609     {
5610       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5611       char identifier[32], name[32];
5612       int value = volumes_list[i].value;
5613       char *text = volumes_list[i].text;
5614
5615       ti->node_top = &volumes_simple;
5616       ti->sort_priority = value;
5617
5618       sprintf(identifier, "%d", value);
5619       sprintf(name, "%s", text);
5620
5621       setString(&ti->identifier, identifier);
5622       setString(&ti->name, name);
5623       setString(&ti->name_sorting, name);
5624       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5625
5626       pushTreeInfo(&volumes_simple, ti);
5627
5628       if (value == setup.volume_simple)
5629         current_volume_simple_found = TRUE;
5630     }
5631
5632     if (!current_volume_simple_found)
5633     {
5634       // add entry for non-preset volume value
5635
5636       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5637       char identifier[32], name[32];
5638       int value = setup.volume_simple;
5639
5640       ti->node_top = &volumes_simple;
5641       ti->sort_priority = value;
5642
5643       sprintf(identifier, "%d", value);
5644       sprintf(name, "%d %% (Current)", value);
5645
5646       setString(&ti->identifier, identifier);
5647       setString(&ti->name, name);
5648       setString(&ti->name_sorting, name);
5649       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5650
5651       pushTreeInfo(&volumes_simple, ti);
5652     }
5653
5654     // sort volume values to start with lowest volume value
5655     sortTreeInfo(&volumes_simple);
5656
5657     // set current volume value to configured volume value
5658     volume_simple_current =
5659       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5660
5661     // if that fails, set current volume to reliable default value
5662     if (volume_simple_current == NULL)
5663       volume_simple_current =
5664         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5665
5666     // if that also fails, set current volume to first available value
5667     if (volume_simple_current == NULL)
5668       volume_simple_current = volumes_simple;
5669   }
5670
5671   if (volumes_loops == NULL)
5672   {
5673     boolean current_volume_loops_found = FALSE;
5674     int i;
5675
5676     for (i = 0; volumes_list[i].value != -1; i++)
5677     {
5678       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5679       char identifier[32], name[32];
5680       int value = volumes_list[i].value;
5681       char *text = volumes_list[i].text;
5682
5683       ti->node_top = &volumes_loops;
5684       ti->sort_priority = value;
5685
5686       sprintf(identifier, "%d", value);
5687       sprintf(name, "%s", text);
5688
5689       setString(&ti->identifier, identifier);
5690       setString(&ti->name, name);
5691       setString(&ti->name_sorting, name);
5692       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5693
5694       pushTreeInfo(&volumes_loops, ti);
5695
5696       if (value == setup.volume_loops)
5697         current_volume_loops_found = TRUE;
5698     }
5699
5700     if (!current_volume_loops_found)
5701     {
5702       // add entry for non-preset volume value
5703
5704       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5705       char identifier[32], name[32];
5706       int value = setup.volume_loops;
5707
5708       ti->node_top = &volumes_loops;
5709       ti->sort_priority = value;
5710
5711       sprintf(identifier, "%d", value);
5712       sprintf(name, "%d %% (Current)", value);
5713
5714       setString(&ti->identifier, identifier);
5715       setString(&ti->name, name);
5716       setString(&ti->name_sorting, name);
5717       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5718
5719       pushTreeInfo(&volumes_loops, ti);
5720     }
5721
5722     // sort volume values to start with lowest volume value
5723     sortTreeInfo(&volumes_loops);
5724
5725     // set current volume value to configured volume value
5726     volume_loops_current =
5727       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5728
5729     // if that fails, set current volume to reliable default value
5730     if (volume_loops_current == NULL)
5731       volume_loops_current =
5732         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5733
5734     // if that also fails, set current volume to first available value
5735     if (volume_loops_current == NULL)
5736       volume_loops_current = volumes_loops;
5737   }
5738
5739   if (volumes_music == NULL)
5740   {
5741     boolean current_volume_music_found = FALSE;
5742     int i;
5743
5744     for (i = 0; volumes_list[i].value != -1; i++)
5745     {
5746       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5747       char identifier[32], name[32];
5748       int value = volumes_list[i].value;
5749       char *text = volumes_list[i].text;
5750
5751       ti->node_top = &volumes_music;
5752       ti->sort_priority = value;
5753
5754       sprintf(identifier, "%d", value);
5755       sprintf(name, "%s", text);
5756
5757       setString(&ti->identifier, identifier);
5758       setString(&ti->name, name);
5759       setString(&ti->name_sorting, name);
5760       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5761
5762       pushTreeInfo(&volumes_music, ti);
5763
5764       if (value == setup.volume_music)
5765         current_volume_music_found = TRUE;
5766     }
5767
5768     if (!current_volume_music_found)
5769     {
5770       // add entry for non-preset volume value
5771
5772       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5773       char identifier[32], name[32];
5774       int value = setup.volume_music;
5775
5776       ti->node_top = &volumes_music;
5777       ti->sort_priority = value;
5778
5779       sprintf(identifier, "%d", value);
5780       sprintf(name, "%d %% (Current)", value);
5781
5782       setString(&ti->identifier, identifier);
5783       setString(&ti->name, name);
5784       setString(&ti->name_sorting, name);
5785       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5786
5787       pushTreeInfo(&volumes_music, ti);
5788     }
5789
5790     // sort volume values to start with lowest volume value
5791     sortTreeInfo(&volumes_music);
5792
5793     // set current volume value to configured volume value
5794     volume_music_current =
5795       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5796
5797     // if that fails, set current volume to reliable default value
5798     if (volume_music_current == NULL)
5799       volume_music_current =
5800         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5801
5802     // if that also fails, set current volume to first available value
5803     if (volume_music_current == NULL)
5804       volume_music_current = volumes_music;
5805   }
5806
5807   setup.volume_simple = atoi(volume_simple_current->identifier);
5808   setup.volume_loops  = atoi(volume_loops_current->identifier);
5809   setup.volume_music  = atoi(volume_music_current->identifier);
5810
5811   // needed for displaying volume text instead of identifier
5812   volume_simple_text = volume_simple_current->name;
5813   volume_loops_text = volume_loops_current->name;
5814   volume_music_text = volume_music_current->name;
5815
5816   setup_mode = SETUP_MODE_SOUND;
5817
5818   DrawSetupScreen();
5819 }
5820
5821 static void execSetupChooseTouchControls(void)
5822 {
5823   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5824
5825   DrawSetupScreen();
5826 }
5827
5828 static void execSetupChooseMoveDistance(void)
5829 {
5830   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5831
5832   DrawSetupScreen();
5833 }
5834
5835 static void execSetupChooseDropDistance(void)
5836 {
5837   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5838
5839   DrawSetupScreen();
5840 }
5841
5842 static void execSetupChooseTransparency(void)
5843 {
5844   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5845
5846   DrawSetupScreen();
5847 }
5848
5849 static void execSetupChooseGridXSize_0(void)
5850 {
5851   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5852
5853   DrawSetupScreen();
5854 }
5855
5856 static void execSetupChooseGridYSize_0(void)
5857 {
5858   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5859
5860   DrawSetupScreen();
5861 }
5862
5863 static void execSetupChooseGridXSize_1(void)
5864 {
5865   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5866
5867   DrawSetupScreen();
5868 }
5869
5870 static void execSetupChooseGridYSize_1(void)
5871 {
5872   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5873
5874   DrawSetupScreen();
5875 }
5876
5877 static void execSetupConfigureVirtualButtons(void)
5878 {
5879   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5880
5881   ConfigureVirtualButtons();
5882
5883   setup_mode = SETUP_MODE_TOUCH;
5884
5885   DrawSetupScreen();
5886 }
5887
5888 static void execSetupTouch(void)
5889 {
5890   int i, j, k;
5891
5892   if (touch_controls == NULL)
5893   {
5894     for (i = 0; touch_controls_list[i].value != NULL; i++)
5895     {
5896       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5897       char identifier[32], name[32];
5898       char *value = touch_controls_list[i].value;
5899       char *text = touch_controls_list[i].text;
5900
5901       ti->node_top = &touch_controls;
5902       ti->sort_priority = i;
5903
5904       sprintf(identifier, "%s", value);
5905       sprintf(name, "%s", text);
5906
5907       setString(&ti->identifier, identifier);
5908       setString(&ti->name, name);
5909       setString(&ti->name_sorting, name);
5910       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5911
5912       pushTreeInfo(&touch_controls, ti);
5913     }
5914
5915     // sort touch control values to start with lowest touch control value
5916     sortTreeInfo(&touch_controls);
5917
5918     // set current touch control value to configured touch control value
5919     touch_control_current =
5920       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5921
5922     // if that fails, set current touch control to reliable default value
5923     if (touch_control_current == NULL)
5924       touch_control_current =
5925         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5926
5927     // if that also fails, set current touch control to first available value
5928     if (touch_control_current == NULL)
5929       touch_control_current = touch_controls;
5930   }
5931
5932   if (move_distances == NULL)
5933   {
5934     for (i = 0; distances_list[i].value != -1; i++)
5935     {
5936       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5937       char identifier[32], name[32];
5938       int value = distances_list[i].value;
5939       char *text = distances_list[i].text;
5940
5941       ti->node_top = &move_distances;
5942       ti->sort_priority = value;
5943
5944       sprintf(identifier, "%d", value);
5945       sprintf(name, "%s", text);
5946
5947       setString(&ti->identifier, identifier);
5948       setString(&ti->name, name);
5949       setString(&ti->name_sorting, name);
5950       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5951
5952       pushTreeInfo(&move_distances, ti);
5953     }
5954
5955     // sort distance values to start with lowest distance value
5956     sortTreeInfo(&move_distances);
5957
5958     // set current distance value to configured distance value
5959     move_distance_current =
5960       getTreeInfoFromIdentifier(move_distances,
5961                                 i_to_a(setup.touch.move_distance));
5962
5963     // if that fails, set current distance to reliable default value
5964     if (move_distance_current == NULL)
5965       move_distance_current =
5966         getTreeInfoFromIdentifier(move_distances,
5967                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
5968
5969     // if that also fails, set current distance to first available value
5970     if (move_distance_current == NULL)
5971       move_distance_current = move_distances;
5972   }
5973
5974   if (drop_distances == NULL)
5975   {
5976     for (i = 0; distances_list[i].value != -1; i++)
5977     {
5978       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5979       char identifier[32], name[32];
5980       int value = distances_list[i].value;
5981       char *text = distances_list[i].text;
5982
5983       ti->node_top = &drop_distances;
5984       ti->sort_priority = value;
5985
5986       sprintf(identifier, "%d", value);
5987       sprintf(name, "%s", text);
5988
5989       setString(&ti->identifier, identifier);
5990       setString(&ti->name, name);
5991       setString(&ti->name_sorting, name);
5992       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5993
5994       pushTreeInfo(&drop_distances, ti);
5995     }
5996
5997     // sort distance values to start with lowest distance value
5998     sortTreeInfo(&drop_distances);
5999
6000     // set current distance value to configured distance value
6001     drop_distance_current =
6002       getTreeInfoFromIdentifier(drop_distances,
6003                                 i_to_a(setup.touch.drop_distance));
6004
6005     // if that fails, set current distance to reliable default value
6006     if (drop_distance_current == NULL)
6007       drop_distance_current =
6008         getTreeInfoFromIdentifier(drop_distances,
6009                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6010
6011     // if that also fails, set current distance to first available value
6012     if (drop_distance_current == NULL)
6013       drop_distance_current = drop_distances;
6014   }
6015
6016   if (transparencies == NULL)
6017   {
6018     for (i = 0; transparencies_list[i].value != -1; i++)
6019     {
6020       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6021       char identifier[32], name[32];
6022       int value = transparencies_list[i].value;
6023       char *text = transparencies_list[i].text;
6024
6025       ti->node_top = &transparencies;
6026       ti->sort_priority = value;
6027
6028       sprintf(identifier, "%d", value);
6029       sprintf(name, "%s", text);
6030
6031       setString(&ti->identifier, identifier);
6032       setString(&ti->name, name);
6033       setString(&ti->name_sorting, name);
6034       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6035
6036       pushTreeInfo(&transparencies, ti);
6037     }
6038
6039     // sort transparency values to start with lowest transparency value
6040     sortTreeInfo(&transparencies);
6041
6042     // set current transparency value to configured transparency value
6043     transparency_current =
6044       getTreeInfoFromIdentifier(transparencies,
6045                                 i_to_a(setup.touch.transparency));
6046
6047     // if that fails, set current transparency to reliable default value
6048     if (transparency_current == NULL)
6049       transparency_current =
6050         getTreeInfoFromIdentifier(transparencies,
6051                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6052
6053     // if that also fails, set current transparency to first available value
6054     if (transparency_current == NULL)
6055       transparency_current = transparencies;
6056   }
6057
6058   for (i = 0; i < 2; i++)
6059   {
6060     for (j = 0; j < 2; j++)
6061     {
6062       if (grid_sizes[i][j] == NULL)
6063       {
6064         for (k = 0; grid_sizes_list[k].value != -1; k++)
6065         {
6066           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6067           char identifier[32], name[32];
6068           int value = grid_sizes_list[k].value;
6069           char *text = grid_sizes_list[k].text;
6070
6071           ti->node_top = &grid_sizes[i][j];
6072           ti->sort_priority = value;
6073
6074           sprintf(identifier, "%d", value);
6075           sprintf(name, "%s", text);
6076
6077           setString(&ti->identifier, identifier);
6078           setString(&ti->name, name);
6079           setString(&ti->name_sorting, name);
6080           setString(&ti->infotext,
6081                     (i == 0 ?
6082                      (j == 0 ?
6083                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6084                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6085                      (j == 0 ?
6086                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6087                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6088
6089           pushTreeInfo(&grid_sizes[i][j], ti);
6090         }
6091
6092         // sort grid size values to start with lowest grid size value
6093         sortTreeInfo(&grid_sizes[i][j]);
6094
6095         // set current grid size value to configured grid size value
6096         grid_size_current[i][j] =
6097           getTreeInfoFromIdentifier(grid_sizes[i][j],
6098                                     i_to_a(j == 0 ?
6099                                            setup.touch.grid_xsize[i] :
6100                                            setup.touch.grid_ysize[i]));
6101
6102         // if that fails, set current grid size to reliable default value
6103         if (grid_size_current[i][j] == NULL)
6104           grid_size_current[i][j] =
6105             getTreeInfoFromIdentifier(grid_sizes[i][j],
6106                                       i_to_a(j == 0 ?
6107                                              DEFAULT_GRID_XSIZE(i) :
6108                                              DEFAULT_GRID_YSIZE(i)));
6109
6110         // if that also fails, set current grid size to first available value
6111         if (grid_size_current[i][j] == NULL)
6112           grid_size_current[i][j] = grid_sizes[i][j];
6113       }
6114     }
6115   }
6116
6117   setup.touch.control_type = touch_control_current->identifier;
6118   setup.touch.move_distance = atoi(move_distance_current->identifier);
6119   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6120   setup.touch.transparency = atoi(transparency_current->identifier);
6121
6122   for (i = 0; i < 2; i++)
6123   {
6124     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6125     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6126
6127     if (i == GRID_ACTIVE_NR())
6128     {
6129       overlay.grid_xsize = setup.touch.grid_xsize[i];
6130       overlay.grid_ysize = setup.touch.grid_ysize[i];
6131     }
6132   }
6133
6134   // needed for displaying value text instead of identifier
6135   touch_controls_text = touch_control_current->name;
6136   move_distance_text = move_distance_current->name;
6137   drop_distance_text = drop_distance_current->name;
6138   transparency_text = transparency_current->name;
6139
6140   for (i = 0; i < 2; i++)
6141     for (j = 0; j < 2; j++)
6142       grid_size_text[i][j] = grid_size_current[i][j]->name;
6143
6144   setup_mode = SETUP_MODE_TOUCH;
6145
6146   DrawSetupScreen();
6147 }
6148
6149 static void execSetupArtwork(void)
6150 {
6151 #if 0
6152   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6153         artwork.gfx_current->subdir,
6154         artwork.gfx_current->fullpath,
6155         artwork.gfx_current->basepath);
6156 #endif
6157
6158   setup.graphics_set = artwork.gfx_current->identifier;
6159   setup.sounds_set = artwork.snd_current->identifier;
6160   setup.music_set = artwork.mus_current->identifier;
6161
6162   // needed if last screen (setup choice) changed graphics, sounds or music
6163   ReloadCustomArtwork(0);
6164
6165   // needed for displaying artwork name instead of artwork identifier
6166   graphics_set_name = artwork.gfx_current->name;
6167   sounds_set_name = artwork.snd_current->name;
6168   music_set_name = artwork.mus_current->name;
6169
6170   setup_mode = SETUP_MODE_ARTWORK;
6171
6172   DrawSetupScreen();
6173 }
6174
6175 static void execSetupChooseGraphics(void)
6176 {
6177   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6178
6179   DrawSetupScreen();
6180 }
6181
6182 static void execSetupChooseSounds(void)
6183 {
6184   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6185
6186   DrawSetupScreen();
6187 }
6188
6189 static void execSetupChooseMusic(void)
6190 {
6191   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6192
6193   DrawSetupScreen();
6194 }
6195
6196 static void execSetupInput(void)
6197 {
6198   setup_mode = SETUP_MODE_INPUT;
6199
6200   DrawSetupScreen();
6201 }
6202
6203 static void execSetupShortcuts(void)
6204 {
6205   setup_mode = SETUP_MODE_SHORTCUTS;
6206
6207   DrawSetupScreen();
6208 }
6209
6210 static void execSetupShortcuts1(void)
6211 {
6212   setup_mode = SETUP_MODE_SHORTCUTS_1;
6213
6214   DrawSetupScreen();
6215 }
6216
6217 static void execSetupShortcuts2(void)
6218 {
6219   setup_mode = SETUP_MODE_SHORTCUTS_2;
6220
6221   DrawSetupScreen();
6222 }
6223
6224 static void execSetupShortcuts3(void)
6225 {
6226   setup_mode = SETUP_MODE_SHORTCUTS_3;
6227
6228   DrawSetupScreen();
6229 }
6230
6231 static void execSetupShortcuts4(void)
6232 {
6233   setup_mode = SETUP_MODE_SHORTCUTS_4;
6234
6235   DrawSetupScreen();
6236 }
6237
6238 static void execSetupShortcuts5(void)
6239 {
6240   setup_mode = SETUP_MODE_SHORTCUTS_5;
6241
6242   DrawSetupScreen();
6243 }
6244
6245 static void execExitSetup(void)
6246 {
6247   SetGameStatus(GAME_MODE_MAIN);
6248
6249   DrawMainMenu();
6250 }
6251
6252 static void execSaveAndExitSetup(void)
6253 {
6254   SaveSetup();
6255   execExitSetup();
6256 }
6257
6258 static void execGadgetNetworkServer(void)
6259 {
6260   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6261   struct GadgetInfo *gi = screen_gadget[gadget_id];
6262
6263   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6264     network_server_hostname[0] = '\0';
6265
6266   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6267
6268   MapGadget(gi);
6269
6270   ClickOnGadget(gi, MB_LEFTBUTTON);
6271 }
6272
6273 static void ToggleNetworkModeIfNeeded(void)
6274 {
6275   int font_title = FONT_TITLE_1;
6276   int font_foot = FC_BLUE;
6277   int ystart  = mSY - SY + 16;
6278   int ybottom = mSY - SY + SYSIZE - 20;
6279   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6280
6281   if (setup.network_mode == network.enabled)
6282     return;
6283
6284   network.enabled = setup.network_mode;
6285
6286   FadeOut(REDRAW_ALL);
6287
6288   ClearField();
6289
6290   DrawTextSCentered(ystart, font_title, text);
6291
6292   FadeIn(REDRAW_ALL);
6293
6294   if (network.enabled)
6295     InitNetworkServer();
6296   else
6297     DisconnectFromNetworkServer();
6298
6299   DrawTextSCentered(ybottom, font_foot,
6300                     "Press any key or button for setup menu");
6301
6302   WaitForEventToContinue();
6303
6304   DrawSetupScreen();
6305 }
6306
6307 static void ToggleGameSpeedsListIfNeeded(void)
6308 {
6309   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6310
6311   if (setup.game_speed_extended == using_game_speeds_extended)
6312     return;
6313
6314   // try to match similar values when changing game speeds list
6315   if (setup.game_speed_extended)
6316     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6317                               setup.game_frame_delay == 30 ? 29 :
6318                               setup.game_frame_delay);
6319   else
6320     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6321                               setup.game_frame_delay == 16 ? 15 :
6322                               setup.game_frame_delay >= 29 ? 30 :
6323                               setup.game_frame_delay <= 10 ? 10 :
6324                               setup.game_frame_delay);
6325
6326   execSetupGame_setGameSpeeds(TRUE);
6327
6328   DrawSetupScreen();
6329 }
6330
6331 static void ModifyGameSpeedIfNeeded(void)
6332 {
6333   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6334       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6335     return;
6336
6337   char message[100];
6338   char *game_speed_text = "Fast";
6339   int game_speed_value = 15;
6340
6341   if (setup.game_speed_extended)
6342   {
6343     game_speed_text = "60 fps";
6344     game_speed_value = 16;
6345   }
6346
6347   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6348
6349   // set game speed to existing list value that is fast enough for vsync
6350   setup.game_frame_delay = game_speed_value;
6351
6352   execSetupGame_setGameSpeeds(TRUE);
6353
6354   Request(message, REQ_CONFIRM);
6355 }
6356
6357 static void DisableVsyncIfNeeded(void)
6358 {
6359   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6360       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6361        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6362     return;
6363
6364   // disable vsync for the selected game speed to work
6365   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6366
6367   execSetupGraphics_setVsyncModes(TRUE);
6368
6369   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6370 }
6371
6372 static struct
6373 {
6374   void *value;
6375   void *related_value;
6376 } hide_related_entry_list[] =
6377 {
6378   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6379   { &setup.game_frame_delay,            &game_speed_text                },
6380
6381   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6382   { &setup.scroll_delay_value,          &scroll_delay_text              },
6383
6384   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6385   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6386
6387   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6388   { &setup.window_scaling_percent,      &window_size_text               },
6389
6390   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6391   { &setup.window_scaling_quality,      &scaling_type_text              },
6392
6393   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6394   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6395
6396   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6397   { &setup.vsync_mode,                  &vsync_mode_text                },
6398
6399   { &setup.graphics_set,                execSetupChooseGraphics         },
6400   { &setup.graphics_set,                &graphics_set_name              },
6401
6402   { &setup.sounds_set,                  execSetupChooseSounds           },
6403   { &setup.sounds_set,                  &sounds_set_name                },
6404
6405   { &setup.music_set,                   execSetupChooseMusic            },
6406   { &setup.music_set,                   &music_set_name                 },
6407
6408   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6409   { &setup.volume_simple,               &volume_simple_text             },
6410
6411   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6412   { &setup.volume_loops,                &volume_loops_text              },
6413
6414   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6415   { &setup.volume_music,                &volume_music_text              },
6416
6417   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6418   { &setup.touch.control_type,          &touch_controls_text            },
6419
6420   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6421   { &setup.touch.move_distance,         &move_distance_text             },
6422
6423   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6424   { &setup.touch.drop_distance,         &drop_distance_text             },
6425
6426   { &setup.touch.transparency,          execSetupChooseTransparency     },
6427   { &setup.touch.transparency,          &transparency_text              },
6428
6429   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6430   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6431
6432   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6433   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6434
6435   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6436   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6437
6438   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6439   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6440
6441   { &setup.internal.menu_game,          execSetupGame                   },
6442   { &setup.internal.menu_engines,       execSetupEngines                },
6443   { &setup.internal.menu_editor,        execSetupEditor                 },
6444   { &setup.internal.menu_graphics,      execSetupGraphics               },
6445   { &setup.internal.menu_sound,         execSetupSound                  },
6446   { &setup.internal.menu_artwork,       execSetupArtwork                },
6447   { &setup.internal.menu_input,         execSetupInput                  },
6448   { &setup.internal.menu_touch,         execSetupTouch                  },
6449   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6450   { &setup.internal.menu_exit,          execExitSetup                   },
6451   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6452
6453   { NULL,                               NULL                            }
6454 };
6455
6456 void setHideRelatedSetupEntries(void)
6457 {
6458   int i;
6459
6460   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6461     if (hideSetupEntry(hide_related_entry_list[i].value))
6462       setHideSetupEntry(hide_related_entry_list[i].related_value);
6463 }
6464
6465 static struct TokenInfo setup_info_main[] =
6466 {
6467   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6468   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6469   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6470   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6471   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6472   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6473   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6474   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6475   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6476   { TYPE_EMPTY,         NULL,                   ""                      },
6477   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6478   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6479
6480   { 0,                  NULL,                   NULL                    }
6481 };
6482
6483 static struct TokenInfo setup_info_game[] =
6484 {
6485   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6486   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6487   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6488   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6489   { TYPE_STRING,        &network_server_text,   ""                      },
6490   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6491   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6492   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6493   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6494   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6495   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6496   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6497   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6498   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6499   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6500   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6501   { TYPE_STRING,        &game_speed_text,       ""                      },
6502   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6503 #if 1
6504   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6505   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6506 #endif
6507   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6508   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6509   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6510   { TYPE_EMPTY,         NULL,                   ""                      },
6511   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6512
6513   { 0,                  NULL,                   NULL                    }
6514 };
6515
6516 static struct TokenInfo setup_info_engines[] =
6517 {
6518   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6519   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6520   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6521   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6522   { TYPE_EMPTY,         NULL,                   ""                      },
6523   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6524   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6525   { TYPE_EMPTY,         NULL,                   ""                      },
6526   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6527
6528   { 0,                  NULL,                   NULL                    }
6529 };
6530
6531 static struct TokenInfo setup_info_editor[] =
6532 {
6533 #if 0
6534   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6535   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6536   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6537   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6538   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6539   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6540   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6541   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6542   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6543   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6544 #endif
6545   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6546   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6547 #if 0
6548   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6549 #endif
6550   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6551   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6552   { TYPE_EMPTY,         NULL,                   ""                      },
6553 #if 0
6554   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6555   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6556   { TYPE_EMPTY,         NULL,                   ""                      },
6557 #endif
6558   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6559   { TYPE_EMPTY,         NULL,                   ""                      },
6560   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6561
6562   { 0,                  NULL,                   NULL                    }
6563 };
6564
6565 static struct TokenInfo setup_info_graphics[] =
6566 {
6567 #if !defined(PLATFORM_ANDROID)
6568   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6569   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6570   { TYPE_STRING,        &window_size_text,      ""                      },
6571   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6572   { TYPE_STRING,        &scaling_type_text,     ""                      },
6573   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6574   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6575 #endif
6576 #if 0
6577   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6578   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6579 #endif
6580   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6581   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6582   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6583   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6584   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6585   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6586   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6587   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6588   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6589   { TYPE_EMPTY,         NULL,                   ""                      },
6590   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6591
6592   { 0,                  NULL,                   NULL                    }
6593 };
6594
6595 static struct TokenInfo setup_info_sound[] =
6596 {
6597   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6598   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6599   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6600   { TYPE_EMPTY,         NULL,                   ""                      },
6601   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6602   { TYPE_STRING,        &volume_simple_text,    ""                      },
6603   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6604   { TYPE_STRING,        &volume_loops_text,     ""                      },
6605   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6606   { TYPE_STRING,        &volume_music_text,     ""                      },
6607   { TYPE_EMPTY,         NULL,                   ""                      },
6608   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6609
6610   { 0,                  NULL,                   NULL                    }
6611 };
6612
6613 static struct TokenInfo setup_info_artwork[] =
6614 {
6615   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6616   { TYPE_STRING,        &graphics_set_name,     ""                      },
6617   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6618   { TYPE_STRING,        &sounds_set_name,       ""                      },
6619   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6620   { TYPE_STRING,        &music_set_name,        ""                      },
6621   { TYPE_EMPTY,         NULL,                   ""                      },
6622   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6623   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6624   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6625   { TYPE_EMPTY,         NULL,                   ""                      },
6626   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6627
6628   { 0,                  NULL,                   NULL                    }
6629 };
6630
6631 static struct TokenInfo setup_info_input[] =
6632 {
6633   { TYPE_SWITCH,        NULL,                   "Player:"               },
6634   { TYPE_SWITCH,        NULL,                   "Device:"               },
6635   { TYPE_SWITCH,        NULL,                   ""                      },
6636   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6637   { TYPE_EMPTY,         NULL,                   ""                      },
6638   { TYPE_EMPTY,         NULL,                   ""                      },
6639   { TYPE_EMPTY,         NULL,                   ""                      },
6640   { TYPE_EMPTY,         NULL,                   ""                      },
6641   { TYPE_EMPTY,         NULL,                   ""                      },
6642   { TYPE_EMPTY,         NULL,                   ""                      },
6643   { TYPE_EMPTY,         NULL,                   ""                      },
6644   { TYPE_EMPTY,         NULL,                   ""                      },
6645   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6646   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6647
6648   { 0,                  NULL,                   NULL                    }
6649 };
6650
6651 static struct TokenInfo setup_info_touch[] =
6652 {
6653   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6654   { TYPE_STRING,        &touch_controls_text,   ""                      },
6655   { TYPE_EMPTY,         NULL,                   ""                      },
6656   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6657
6658   { 0,                  NULL,                   NULL                    }
6659 };
6660
6661 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6662 {
6663   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6664   { TYPE_STRING,        &touch_controls_text,   ""                      },
6665   { TYPE_EMPTY,         NULL,                   ""                      },
6666   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6667   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6668   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6669   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6670   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6671   { TYPE_STRING,        &transparency_text,     ""                      },
6672   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6673   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6674   { TYPE_EMPTY,         NULL,                   ""                      },
6675   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6676   { TYPE_EMPTY,         NULL,                   ""                      },
6677   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6678
6679   { 0,                  NULL,                   NULL                    }
6680 };
6681
6682 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6683 {
6684   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6685   { TYPE_STRING,        &touch_controls_text,   ""                      },
6686   { TYPE_EMPTY,         NULL,                   ""                      },
6687   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6688   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6689   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6690   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6691   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6692   { TYPE_STRING,        &transparency_text,     ""                      },
6693   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6694   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6695   { TYPE_EMPTY,         NULL,                   ""                      },
6696   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6697   { TYPE_EMPTY,         NULL,                   ""                      },
6698   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6699
6700   { 0,                  NULL,                   NULL                    }
6701 };
6702
6703 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6704 {
6705   setup_info_touch_virtual_buttons_0,
6706   setup_info_touch_virtual_buttons_1
6707 };
6708
6709 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6710 {
6711   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6712   { TYPE_STRING,        &touch_controls_text,   ""                      },
6713   { TYPE_EMPTY,         NULL,                   ""                      },
6714   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6715   { TYPE_STRING,        &move_distance_text,    ""                      },
6716   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6717   { TYPE_STRING,        &drop_distance_text,    ""                      },
6718   { TYPE_EMPTY,         NULL,                   ""                      },
6719   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6720
6721   { 0,                  NULL,                   NULL                    }
6722 };
6723
6724 static struct TokenInfo setup_info_shortcuts[] =
6725 {
6726   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6727   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6728   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6729   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6730   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6731   { TYPE_EMPTY,         NULL,                   ""                      },
6732   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6733
6734   { 0,                  NULL,                   NULL                    }
6735 };
6736
6737 static struct TokenInfo setup_info_shortcuts_1[] =
6738 {
6739   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6740   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6741   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6742   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6743   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6744   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6745   { TYPE_EMPTY,         NULL,                   ""                      },
6746   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6747   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6748   { TYPE_EMPTY,         NULL,                   ""                      },
6749   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6750
6751   { 0,                  NULL,                   NULL                    }
6752 };
6753
6754 static struct TokenInfo setup_info_shortcuts_2[] =
6755 {
6756   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6757   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6758   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6759   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6760   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6761   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6762   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6763   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6764   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6765   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6766   { TYPE_EMPTY,         NULL,                   ""                      },
6767   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6768
6769   { 0,                  NULL,                   NULL                    }
6770 };
6771
6772 static struct TokenInfo setup_info_shortcuts_3[] =
6773 {
6774   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6775   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6776   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6777   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6778   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6779   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6780   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6781   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6782   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6783   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6784   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6785   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6786   { TYPE_EMPTY,         NULL,                   ""                      },
6787   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6788
6789   { 0,                  NULL,                   NULL                    }
6790 };
6791
6792 static struct TokenInfo setup_info_shortcuts_4[] =
6793 {
6794   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6795   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6796   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6797   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6798   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6799   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6800   { TYPE_EMPTY,         NULL,                   ""                      },
6801   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6802
6803   { 0,                  NULL,                   NULL                    }
6804 };
6805
6806 static struct TokenInfo setup_info_shortcuts_5[] =
6807 {
6808   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6809   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6810   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6811   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6812   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6813   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6814   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6815   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6816   { TYPE_EMPTY,         NULL,                   ""                      },
6817   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6818
6819   { 0,                  NULL,                   NULL                    }
6820 };
6821
6822 static Key getSetupKey(void)
6823 {
6824   Key key = KSYM_UNDEFINED;
6825   boolean got_key_event = FALSE;
6826
6827   while (!got_key_event)
6828   {
6829     Event event;
6830
6831     if (NextValidEvent(&event))
6832     {
6833       switch (event.type)
6834       {
6835         case EVENT_KEYPRESS:
6836           {
6837             key = GetEventKey((KeyEvent *)&event, TRUE);
6838
6839             // press 'Escape' or 'Enter' to keep the existing key binding
6840             if (key == KSYM_Escape || key == KSYM_Return)
6841               key = KSYM_UNDEFINED;     // keep old value
6842
6843             got_key_event = TRUE;
6844           }
6845           break;
6846
6847         case EVENT_KEYRELEASE:
6848           key_joystick_mapping = 0;
6849           break;
6850
6851         default:
6852           HandleOtherEvents(&event);
6853           break;
6854       }
6855     }
6856
6857     BackToFront();
6858   }
6859
6860   return key;
6861 }
6862
6863 static int getSetupValueFont(int type, void *value)
6864 {
6865   if (type & TYPE_GHOSTED)
6866     return FONT_OPTION_OFF;
6867   else if (type & TYPE_KEY)
6868     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6869   else if (type & TYPE_STRING)
6870     return FONT_VALUE_2;
6871   else if (type & TYPE_ECS_AGA)
6872     return FONT_VALUE_1;
6873   else if (type & TYPE_BOOLEAN_STYLE)
6874     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6875   else if (type & TYPE_YES_NO_AUTO)
6876     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6877             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6878   else if (type & TYPE_PLAYER)
6879     return FONT_VALUE_1;
6880   else
6881     return FONT_VALUE_1;
6882 }
6883
6884 static int getSetupValueFontNarrow(int type, int font_nr)
6885 {
6886   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6887           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6888           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6889           font_nr);
6890 }
6891
6892 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6893 {
6894   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6895   struct TokenInfo *si = &setup_info[si_pos];
6896   boolean font_draw_xoffset_modified = FALSE;
6897   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6898   int font_draw_xoffset_old = -1;
6899   int xoffset = (scrollbar_needed ? -1 : 0);
6900   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6901   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6902   int xpos = menu_screen_value_xpos;
6903   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6904   int startx = mSX + xpos * 32;
6905   int starty = mSY + ypos * 32;
6906   int type = si->type;
6907   void *value = si->value;
6908   char *value_string = getSetupValue(type, value);
6909   int font_nr_default = getSetupValueFont(type, value);
6910   int font_width_default = getFontWidth(font_nr_default);
6911   int font_nr = font_nr_default;
6912   int i;
6913
6914   if (value_string == NULL)
6915     return;
6916
6917   if (type & TYPE_KEY)
6918   {
6919     xpos = MENU_SCREEN_START_XPOS;
6920
6921     if (type & TYPE_QUERY)
6922       value_string = "<press key>";
6923   }
6924   else if (type & TYPE_STRING)
6925   {
6926     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
6927
6928     xpos = MENU_SCREEN_START_XPOS;
6929
6930     if (strlen(value_string) > max_value_len)
6931       value_string[max_value_len] = '\0';
6932   }
6933   else if (type & TYPE_YES_NO_AUTO)
6934   {
6935     xpos = menu_screen_value_xpos - 1;
6936   }
6937   else if (type & TYPE_PLAYER)
6938   {
6939     int displayed_player_nr = *(int *)value + 1;
6940
6941     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
6942   }
6943
6944   startx = mSX + xpos * 32;
6945   starty = mSY + ypos * 32;
6946
6947   // special check if right-side setup values moved left due to scrollbar
6948   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
6949   {
6950     int max_menu_text_length = 26;      // maximum text length for classic menu
6951     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6952     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6953     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6954     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6955     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
6956
6957     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
6958     {
6959       // when using narrow font, left-shifting text "auto" not needed
6960       if (type & TYPE_YES_NO_AUTO)
6961         xpos += 1;
6962
6963       xpos += 1;
6964       startx = mSX + xpos * 32;
6965
6966       font_nr = getSetupValueFontNarrow(type, font_nr);
6967     }
6968   }
6969
6970   // downward compatibility correction for Juergen Bonhagen's menu settings
6971   if (setup_mode != SETUP_MODE_INPUT)
6972   {
6973     int max_menu_text_length_big = (menu_screen_value_xpos -
6974                                     MENU_SCREEN_START_XPOS);
6975     int max_menu_text_length_medium = max_menu_text_length_big * 2;
6976     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
6977     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6978     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
6979     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6980     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6981     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6982     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
6983     boolean correct_font_draw_xoffset = FALSE;
6984
6985     if (xpos == MENU_SCREEN_START_XPOS &&
6986         startx + font1_xoffset < text_startx + text_font_xoffset)
6987       correct_font_draw_xoffset = TRUE;
6988
6989     if (xpos == menu_screen_value_xpos &&
6990         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
6991       correct_font_draw_xoffset = TRUE;
6992
6993     // check if setup value would overlap with setup text when printed
6994     // (this can happen for extreme/wrong values for font draw offset)
6995     if (correct_font_draw_xoffset)
6996     {
6997       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
6998       font_draw_xoffset_modified = TRUE;
6999
7000       if (type & TYPE_KEY)
7001         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7002       else if (!(type & TYPE_STRING))
7003         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7004           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7005     }
7006   }
7007
7008   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7009     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7010
7011   DrawText(startx, starty, value_string, font_nr);
7012
7013   if (type & TYPE_PLAYER)
7014   {
7015     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7016     int player_nr = *(int *)value;
7017     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7018     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7019     int startx2 = startx + xoff;
7020     int starty2 = starty + yoff;
7021
7022     if (DrawingOnBackground(startx2, starty2))
7023       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7024
7025     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7026                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7027   }
7028
7029   if (font_draw_xoffset_modified)
7030     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7031 }
7032
7033 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7034 {
7035   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7036   struct TokenInfo *si = &setup_info[si_pos];
7037
7038   if (si->type & TYPE_BOOLEAN_STYLE)
7039   {
7040     *(boolean *)si->value ^= TRUE;
7041   }
7042   else if (si->type & TYPE_YES_NO_AUTO)
7043   {
7044     *(int *)si->value =
7045       (dx == -1 ?
7046        (*(int *)si->value == AUTO ? TRUE :
7047         *(int *)si->value == TRUE ? FALSE : AUTO) :
7048        (*(int *)si->value == TRUE ? AUTO :
7049         *(int *)si->value == AUTO ? FALSE : TRUE));
7050   }
7051   else if (si->type & TYPE_KEY)
7052   {
7053     Key key;
7054
7055     si->type |= TYPE_QUERY;
7056     drawSetupValue(screen_pos, setup_info_pos_raw);
7057     si->type &= ~TYPE_QUERY;
7058
7059     key = getSetupKey();
7060     if (key != KSYM_UNDEFINED)
7061       *(Key *)si->value = key;
7062   }
7063   else if (si->type & TYPE_PLAYER)
7064   {
7065     int player_nr = *(int *)si->value;
7066
7067     if (dx)
7068       player_nr += dx;
7069     else
7070       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7071
7072     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7073   }
7074
7075   drawSetupValue(screen_pos, setup_info_pos_raw);
7076
7077   // fullscreen state may have changed at this point
7078   if (si->value == &setup.fullscreen)
7079     ToggleFullscreenIfNeeded();
7080
7081   // network mode may have changed at this point
7082   if (si->value == &setup.network_mode)
7083     ToggleNetworkModeIfNeeded();
7084
7085   // game speed list may have changed at this point
7086   if (si->value == &setup.game_speed_extended)
7087     ToggleGameSpeedsListIfNeeded();
7088 }
7089
7090 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7091 {
7092   static struct TokenInfo *setup_info_final = NULL;
7093   int list_size = 0;
7094   int list_pos = 0;
7095   int i;
7096
7097   // determine maximum list size of target list
7098   while (setup_info_orig[list_size++].type != 0);
7099
7100   // free, allocate and clear memory for target list
7101   checked_free(setup_info_final);
7102   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7103
7104   // copy setup info list without setup entries marked as hidden
7105   for (i = 0; setup_info_orig[i].type != 0; i++)
7106   {
7107     // skip setup entries configured to be hidden
7108     if (hideSetupEntry(setup_info_orig[i].value))
7109       continue;
7110
7111     // skip skippable setup entries if screen is lower than usual
7112     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7113         setup_info_orig[i].type == TYPE_SKIPPABLE)
7114       continue;
7115
7116     setup_info_final[list_pos++] = setup_info_orig[i];
7117   }
7118
7119   return setup_info_final;
7120 }
7121
7122 static void DrawSetupScreen_Generic(void)
7123 {
7124   int fade_mask = REDRAW_FIELD;
7125   boolean redraw_all = FALSE;
7126   char *title_string = NULL;
7127   int i;
7128
7129   if (CheckFadeAll())
7130     fade_mask = REDRAW_ALL;
7131
7132   UnmapAllGadgets();
7133   FadeMenuSoundsAndMusic();
7134
7135   FreeScreenGadgets();
7136   CreateScreenGadgets();
7137
7138   if (redraw_mask & REDRAW_ALL)
7139     redraw_all = TRUE;
7140
7141   FadeOut(fade_mask);
7142
7143   // needed if different viewport properties defined for setup screen
7144   ChangeViewportPropertiesIfNeeded();
7145
7146   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7147
7148   ClearField();
7149
7150   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7151
7152   if (setup_mode == SETUP_MODE_MAIN)
7153   {
7154     setup_info = setup_info_main;
7155     title_string = STR_SETUP_MAIN;
7156   }
7157   else if (setup_mode == SETUP_MODE_GAME)
7158   {
7159     setup_info = setup_info_game;
7160     title_string = STR_SETUP_GAME;
7161   }
7162   else if (setup_mode == SETUP_MODE_ENGINES)
7163   {
7164     setup_info = setup_info_engines;
7165     title_string = STR_SETUP_ENGINES;
7166   }
7167   else if (setup_mode == SETUP_MODE_EDITOR)
7168   {
7169     setup_info = setup_info_editor;
7170     title_string = STR_SETUP_EDITOR;
7171   }
7172   else if (setup_mode == SETUP_MODE_GRAPHICS)
7173   {
7174     setup_info = setup_info_graphics;
7175     title_string = STR_SETUP_GRAPHICS;
7176   }
7177   else if (setup_mode == SETUP_MODE_SOUND)
7178   {
7179     setup_info = setup_info_sound;
7180     title_string = STR_SETUP_SOUND;
7181   }
7182   else if (setup_mode == SETUP_MODE_ARTWORK)
7183   {
7184     setup_info = setup_info_artwork;
7185     title_string = STR_SETUP_ARTWORK;
7186   }
7187   else if (setup_mode == SETUP_MODE_TOUCH)
7188   {
7189     setup_info = setup_info_touch;
7190     title_string = STR_SETUP_TOUCH;
7191
7192     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7193       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7194     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7195       setup_info = setup_info_touch_wipe_gestures;
7196   }
7197   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7198   {
7199     setup_info = setup_info_shortcuts;
7200     title_string = STR_SETUP_SHORTCUTS;
7201   }
7202   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7203   {
7204     setup_info = setup_info_shortcuts_1;
7205     title_string = STR_SETUP_SHORTCUTS;
7206   }
7207   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7208   {
7209     setup_info = setup_info_shortcuts_2;
7210     title_string = STR_SETUP_SHORTCUTS;
7211   }
7212   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7213   {
7214     setup_info = setup_info_shortcuts_3;
7215     title_string = STR_SETUP_SHORTCUTS;
7216   }
7217   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7218   {
7219     setup_info = setup_info_shortcuts_4;
7220     title_string = STR_SETUP_SHORTCUTS;
7221   }
7222   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7223   {
7224     setup_info = setup_info_shortcuts_5;
7225     title_string = STR_SETUP_SHORTCUTS;
7226   }
7227
7228   // use modified setup info without setup entries marked as hidden
7229   setup_info = getSetupInfoFinal(setup_info);
7230
7231   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7232
7233   // determine maximal number of setup entries that can be displayed on screen
7234   num_setup_info = 0;
7235   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7236     num_setup_info++;
7237
7238   // determine maximal number of setup entries available for this setup screen
7239   max_setup_info = 0;
7240   for (i = 0; setup_info[i].type != 0; i++)
7241     max_setup_info++;
7242
7243   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7244
7245   MapScreenGadgets(max_setup_info);
7246
7247   if (redraw_all)
7248     redraw_mask = fade_mask = REDRAW_ALL;
7249
7250   DrawMaskedBorder(fade_mask);
7251
7252   FadeIn(fade_mask);
7253 }
7254
7255 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7256 {
7257   menu_info = setup_info;
7258
7259   HandleMenuScreen(mx, my, dx, dy, button,
7260                    setup_mode, num_setup_info, max_setup_info);
7261 }
7262
7263 static void DrawSetupScreen_Input(void)
7264 {
7265   int i;
7266
7267   FadeOut(REDRAW_FIELD);
7268
7269   ClearField();
7270
7271   setup_info = getSetupInfoFinal(setup_info_input);
7272
7273   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7274
7275   for (i = 0; setup_info[i].type != 0; i++)
7276   {
7277     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7278       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7279     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7280       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7281     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7282       initCursor(i, IMG_MENU_BUTTON);
7283
7284     DrawCursorAndText_Setup(i, -1, FALSE);
7285   }
7286
7287   // create gadgets for setup input menu screen
7288   FreeScreenGadgets();
7289   CreateScreenGadgets();
7290
7291   // map gadgets for setup input menu screen
7292   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7293
7294   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7295
7296   FadeIn(REDRAW_FIELD);
7297 }
7298
7299 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7300 {
7301   if (device_name == NULL)
7302     return;
7303
7304   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7305     device_nr = 0;
7306
7307   if (strlen(device_name) > 1)
7308   {
7309     char c1 = device_name[strlen(device_name) - 1];
7310     char c2 = device_name[strlen(device_name) - 2];
7311
7312     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7313       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7314   }
7315   else
7316     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7317             strlen(device_name));
7318 }
7319
7320 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7321 {
7322   int i;
7323   static struct SetupKeyboardInfo custom_key;
7324   static struct
7325   {
7326     Key *key;
7327     char *text;
7328   } custom[] =
7329   {
7330     { &custom_key.left,  "Axis/Pad Left"  },
7331     { &custom_key.right, "Axis/Pad Right" },
7332     { &custom_key.up,    "Axis/Pad Up"    },
7333     { &custom_key.down,  "Axis/Pad Down"  },
7334     { &custom_key.snap,  "Button 1/A/X"   },
7335     { &custom_key.drop,  "Button 2/B/Y"   }
7336   };
7337   static char *joystick_name[MAX_PLAYERS] =
7338   {
7339     "Joystick1",
7340     "Joystick2",
7341     "Joystick3",
7342     "Joystick4"
7343   };
7344   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7345   int font_nr_info = FONT_MENU_1;
7346   int font_nr_name = FONT_VALUE_OLD;
7347   int font_nr_on   = FONT_VALUE_1;
7348   int font_nr_off  = FONT_VALUE_OLD;
7349   int pos = 4;
7350
7351   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7352   {
7353     font_nr_info = FONT_MENU_2;
7354     font_nr_on   = FONT_VALUE_NARROW;
7355     font_nr_off  = FONT_VALUE_OLD_NARROW;
7356   }
7357
7358   custom_key = setup.input[player_nr].key;
7359
7360   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7361            FONT_INPUT_1_ACTIVE);
7362
7363   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7364                              TILEX, TILEY);
7365   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7366                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7367
7368   if (setup.input[player_nr].use_joystick)
7369   {
7370     char *device_name = setup.input[player_nr].joy.device_name;
7371     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7372     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7373     char *text = joystick_name[joystick_nr];
7374     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7375
7376     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7377     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7378   }
7379   else
7380   {
7381     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7382     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7383   }
7384
7385   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7386     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7387   else
7388     pos = 3;
7389
7390   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7391   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7392   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7393   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7394
7395   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7396   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7397   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7398   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7399   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7400   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7401
7402   for (i = 0; i < 6; i++)
7403   {
7404     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7405
7406     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7407              "              ", font_nr_on);
7408     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7409              (setup.input[player_nr].use_joystick ?
7410               custom[i].text :
7411               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7412   }
7413 }
7414
7415 static int input_player_nr = 0;
7416
7417 static void HandleSetupScreen_Input_Player(int step, int direction)
7418 {
7419   int old_player_nr = input_player_nr;
7420   int new_player_nr;
7421
7422   new_player_nr = old_player_nr + step * direction;
7423   if (new_player_nr < 0)
7424     new_player_nr = 0;
7425   if (new_player_nr > MAX_PLAYERS - 1)
7426     new_player_nr = MAX_PLAYERS - 1;
7427
7428   if (new_player_nr != old_player_nr)
7429   {
7430     input_player_nr = new_player_nr;
7431
7432     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7433   }
7434 }
7435
7436 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7437 {
7438   static int choice = 0;
7439   int x = 0;
7440   int y = choice;
7441   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7442   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7443   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7444   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7445
7446   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7447   {
7448     int i;
7449
7450     for (i = 0; setup_info_input[i].type != 0; i++)
7451     {
7452       // adjust menu structure according to skipped setup entries
7453       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7454       {
7455         pos_empty2--;
7456         pos_end--;
7457       }
7458     }
7459   }
7460
7461   if (button == MB_MENU_INITIALIZE)
7462   {
7463     // input setup menu may have changed size due to graphics configuration
7464     if (choice >= pos_empty1)
7465       choice = pos_end;
7466
7467     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7468
7469     DrawCursorAndText_Setup(choice, -1, TRUE);
7470
7471     return;
7472   }
7473   else if (button == MB_MENU_LEAVE)
7474   {
7475     setup_mode = SETUP_MODE_MAIN;
7476     DrawSetupScreen();
7477     InitJoysticks();
7478
7479     return;
7480   }
7481
7482   if (mx || my)         // mouse input
7483   {
7484     x = (mx - mSX) / 32;
7485     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7486   }
7487   else if (dx || dy)    // keyboard input
7488   {
7489     if (dx && choice == 0)
7490       x = (dx < 0 ? 10 : 12);
7491     else if ((dx && choice == 1) ||
7492              (dx == -1 && choice == pos_end))
7493       button = MB_MENU_CHOICE;
7494     else if (dy)
7495       y = choice + dy;
7496
7497     if (y >= pos_empty1 && y <= pos_empty2)
7498       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7499   }
7500
7501   if (y == 0 && dx != 0 && button)
7502   {
7503     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7504   }
7505   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7506            y >= pos_start && y <= pos_end &&
7507            !(y >= pos_empty1 && y <= pos_empty2))
7508   {
7509     if (button)
7510     {
7511       if (y != choice)
7512       {
7513         DrawCursorAndText_Setup(choice, -1, FALSE);
7514         DrawCursorAndText_Setup(y, -1, TRUE);
7515
7516         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7517
7518         choice = y;
7519       }
7520     }
7521     else
7522     {
7523       if (y == 1)
7524       {
7525         char *device_name = setup.input[input_player_nr].joy.device_name;
7526
7527         if (!setup.input[input_player_nr].use_joystick)
7528         {
7529           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7530
7531           setJoystickDeviceToNr(device_name, new_device_nr);
7532           setup.input[input_player_nr].use_joystick = TRUE;
7533         }
7534         else
7535         {
7536           int device_nr = getJoystickNrFromDeviceName(device_name);
7537           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7538
7539           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7540             setup.input[input_player_nr].use_joystick = FALSE;
7541           else
7542             setJoystickDeviceToNr(device_name, new_device_nr);
7543         }
7544
7545         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7546       }
7547       else if (y == 2)
7548       {
7549         if (setup.input[input_player_nr].use_joystick)
7550           ConfigureJoystick(input_player_nr);
7551         else
7552           CustomizeKeyboard(input_player_nr);
7553       }
7554       else if (y == pos_end)
7555       {
7556         InitJoysticks();
7557
7558         FadeSetLeaveMenu();
7559
7560         setup_mode = SETUP_MODE_MAIN;
7561         DrawSetupScreen();
7562       }
7563     }
7564   }
7565 }
7566
7567 static boolean CustomizeKeyboardMain(int player_nr)
7568 {
7569   int i;
7570   int step_nr;
7571   boolean finished = FALSE;
7572   static struct SetupKeyboardInfo custom_key;
7573   static struct
7574   {
7575     Key *key;
7576     char *text;
7577   } customize_step[] =
7578   {
7579     { &custom_key.left,  "Move Left"    },
7580     { &custom_key.right, "Move Right"   },
7581     { &custom_key.up,    "Move Up"      },
7582     { &custom_key.down,  "Move Down"    },
7583     { &custom_key.snap,  "Snap Field"   },
7584     { &custom_key.drop,  "Drop Element" }
7585   };
7586   int font_nr_old = FONT_VALUE_OLD;
7587   int font_nr_new = FONT_VALUE_1;
7588   boolean success = FALSE;
7589
7590   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7591   {
7592     font_nr_old = FONT_VALUE_OLD_NARROW;
7593     font_nr_new = FONT_VALUE_NARROW;
7594   }
7595
7596   // read existing key bindings from player setup
7597   custom_key = setup.input[player_nr].key;
7598
7599   FadeSetEnterMenu();
7600   FadeOut(REDRAW_FIELD);
7601
7602   ClearField();
7603
7604   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7605
7606   step_nr = 0;
7607   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7608            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7609   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7610            "Key:", FONT_INPUT_1_ACTIVE);
7611   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7612            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7613
7614   FadeIn(REDRAW_FIELD);
7615
7616   while (!finished)
7617   {
7618     Event event;
7619
7620     if (NextValidEvent(&event))
7621     {
7622       switch (event.type)
7623       {
7624         case EVENT_KEYPRESS:
7625           {
7626             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7627
7628             // press 'Escape' to abort and keep the old key bindings
7629             if (key == KSYM_Escape)
7630             {
7631               FadeSkipNextFadeIn();
7632
7633               finished = TRUE;
7634
7635               break;
7636             }
7637
7638             // press 'Enter' to keep the existing key binding
7639             if (key == KSYM_Return)
7640               key = *customize_step[step_nr].key;
7641
7642             // check if key already used
7643             for (i = 0; i < step_nr; i++)
7644               if (*customize_step[i].key == key)
7645                 break;
7646             if (i < step_nr)
7647               break;
7648
7649             // got new key binding
7650             *customize_step[step_nr].key = key;
7651             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7652                      "             ", font_nr_new);
7653             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7654                      getKeyNameFromKey(key), font_nr_new);
7655             step_nr++;
7656
7657             // un-highlight last query
7658             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7659                      customize_step[step_nr - 1].text, FONT_MENU_1);
7660             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7661                      "Key:", FONT_MENU_1);
7662
7663             // all keys configured
7664             if (step_nr == 6)
7665             {
7666               finished = TRUE;
7667               success = TRUE;
7668
7669               break;
7670             }
7671
7672             // query next key binding
7673             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7674                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7675             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7676                      "Key:", FONT_INPUT_1_ACTIVE);
7677             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7678                      getKeyNameFromKey(*customize_step[step_nr].key),
7679                      font_nr_old);
7680           }
7681           break;
7682
7683         case EVENT_KEYRELEASE:
7684           key_joystick_mapping = 0;
7685           break;
7686
7687         default:
7688           HandleOtherEvents(&event);
7689           break;
7690       }
7691     }
7692
7693     BackToFront();
7694   }
7695
7696   // write new key bindings back to player setup, if successfully finished
7697   if (success)
7698     setup.input[player_nr].key = custom_key;
7699
7700   return success;
7701 }
7702
7703 void CustomizeKeyboard(int player_nr)
7704 {
7705   boolean success = CustomizeKeyboardMain(player_nr);
7706
7707   if (success)
7708   {
7709     int font_nr = FONT_TITLE_1;
7710     int font_height = getFontHeight(font_nr);
7711     int ypos1 = SYSIZE / 2 - font_height * 2;
7712     int ypos2 = SYSIZE / 2 - font_height * 1;
7713     unsigned int wait_frame_delay = 0;
7714     unsigned int wait_frame_delay_value = 2000;
7715
7716     ResetDelayCounter(&wait_frame_delay);
7717
7718     ClearField();
7719
7720     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7721     DrawTextSCentered(ypos2, font_nr, "configured!");
7722
7723     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7724       BackToFront();
7725
7726     ClearEventQueue();
7727   }
7728
7729   DrawSetupScreen_Input();
7730 }
7731
7732 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7733
7734 #define MARKER_BUTTON           1
7735 #define MARKER_AXIS_X           2
7736 #define MARKER_AXIS_Y           3
7737
7738 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7739 {
7740   static boolean bitmaps_initialized = FALSE;
7741   boolean screen_initialized = FALSE;
7742   static Bitmap *controller, *button, *axis_x, *axis_y;
7743   char *name;
7744   boolean success = TRUE;
7745   boolean done = FALSE, next = FALSE;
7746   Event event;
7747   int alpha = 200, alpha_step = -1;
7748   int alpha_ticks = 0;
7749   char mapping[4096], temp[256];
7750   int font_name = MENU_SETUP_FONT_TITLE;
7751   int font_info = MENU_SETUP_FONT_TEXT;
7752   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7753   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7754   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7755   int ystep_name = getMenuTextStep(spacing_name, font_name);
7756   int ystep_line = getMenuTextStep(spacing_line, font_info);
7757   int ystep_para = getMenuTextStep(spacing_para, font_info);
7758   int i, j;
7759
7760   struct
7761   {
7762     int x, y;
7763     int marker;
7764     char *field;
7765     int axis, button, hat, hat_value;
7766     char mapping[4096];
7767   }
7768   *step, *prev_step, steps[] =
7769   {
7770     { 356, 155, MARKER_BUTTON, "a",             },
7771     { 396, 122, MARKER_BUTTON, "b",             },
7772     { 320, 125, MARKER_BUTTON, "x",             },
7773     { 358,  95, MARKER_BUTTON, "y",             },
7774     { 162, 125, MARKER_BUTTON, "back",          },
7775     { 216, 125, MARKER_BUTTON, "guide",         },
7776     { 271, 125, MARKER_BUTTON, "start",         },
7777     { 110, 200, MARKER_BUTTON, "dpleft",        },
7778     { 146, 228, MARKER_BUTTON, "dpdown",        },
7779     { 178, 200, MARKER_BUTTON, "dpright",       },
7780     { 146, 172, MARKER_BUTTON, "dpup",          },
7781     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7782     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7783     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7784     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7785     {  73, 141, MARKER_BUTTON, "leftstick",     },
7786     { 282, 210, MARKER_BUTTON, "rightstick",    },
7787     {  73, 141, MARKER_AXIS_X, "leftx",         },
7788     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7789     { 282, 210, MARKER_AXIS_X, "rightx",        },
7790     { 282, 210, MARKER_AXIS_Y, "righty",        },
7791   };
7792
7793   unsigned int event_frame_delay = 0;
7794   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7795
7796   ResetDelayCounter(&event_frame_delay);
7797
7798   if (!bitmaps_initialized)
7799   {
7800     controller = LoadCustomImage("joystick/controller.png");
7801     button     = LoadCustomImage("joystick/button.png");
7802     axis_x     = LoadCustomImage("joystick/axis_x.png");
7803     axis_y     = LoadCustomImage("joystick/axis_y.png");
7804
7805     bitmaps_initialized = TRUE;
7806   }
7807
7808   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7809
7810 #if DEBUG_JOYSTICKS
7811   // print info about the joystick we are watching
7812   Debug("joystick", "watching joystick %d: (%s)",
7813         SDL_JoystickInstanceID(joystick), name);
7814   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
7815         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7816         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7817 #endif
7818
7819   // initialize mapping with GUID and name
7820   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7821
7822   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7823            temp, name, SDL_GetPlatform());
7824
7825   // loop through all steps (buttons and axes), getting joystick events
7826   for (i = 0; i < SDL_arraysize(steps) && !done;)
7827   {
7828     Bitmap *marker = button;    // initialize with reliable default value
7829
7830     step = &steps[i];
7831     strcpy(step->mapping, mapping);
7832     step->axis = -1;
7833     step->button = -1;
7834     step->hat = -1;
7835     step->hat_value = -1;
7836
7837     marker = (step->marker == MARKER_BUTTON ? button :
7838               step->marker == MARKER_AXIS_X ? axis_x :
7839               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7840
7841     next = FALSE;
7842
7843     while (!done && !next)
7844     {
7845       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7846       alpha_ticks = SDL_GetTicks();
7847
7848       if (alpha >= 255)
7849       {
7850         alpha = 255;
7851         alpha_step = -1;
7852       }
7853       else if (alpha < 128)
7854       {
7855         alpha = 127;
7856         alpha_step = 1;
7857       }
7858
7859       int controller_x = SX + (SXSIZE - controller->width) / 2;
7860       int controller_y = SY + ystep_line;
7861
7862       int marker_x = controller_x + step->x;
7863       int marker_y = controller_y + step->y;
7864
7865       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7866       int ystart2 = ystart1 + ystep_name + ystep_line;
7867
7868       ClearField();
7869
7870       DrawTextSCentered(ystart1, font_name, name);
7871
7872       DrawTextSCentered(ystart2, font_info,
7873                         "Press buttons and move axes on");
7874       ystart2 += ystep_line;
7875       DrawTextSCentered(ystart2, font_info,
7876                         "your controller when indicated.");
7877       ystart2 += ystep_line;
7878       DrawTextSCentered(ystart2, font_info,
7879                         "(Your controller may look different.)");
7880       ystart2 += ystep_para;
7881
7882 #if defined(PLATFORM_ANDROID)
7883       DrawTextSCentered(ystart2, font_info,
7884                         "To correct a mistake,");
7885       ystart2 += ystep_line;
7886       DrawTextSCentered(ystart2, font_info,
7887                         "press the 'back' button.");
7888       ystart2 += ystep_line;
7889       DrawTextSCentered(ystart2, font_info,
7890                         "To skip a button or axis,");
7891       ystart2 += ystep_line;
7892       DrawTextSCentered(ystart2, font_info,
7893                         "press the 'menu' button.");
7894 #else
7895       DrawTextSCentered(ystart2, font_info,
7896                         "To correct a mistake,");
7897       ystart2 += ystep_line;
7898       DrawTextSCentered(ystart2, font_info,
7899                         "press the 'backspace' key.");
7900       ystart2 += ystep_line;
7901       DrawTextSCentered(ystart2, font_info,
7902                         "To skip a button or axis,");
7903       ystart2 += ystep_line;
7904       DrawTextSCentered(ystart2, font_info,
7905                         "press the 'return' key.");
7906       ystart2 += ystep_line;
7907       DrawTextSCentered(ystart2, font_info,
7908                         "To exit, press the 'escape' key.");
7909 #endif
7910
7911       BlitBitmapMasked(controller, drawto, 0, 0,
7912                        controller->width, controller->height,
7913                        controller_x, controller_y);
7914
7915       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
7916       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
7917
7918       BlitBitmapMasked(marker, drawto, 0, 0,
7919                        marker->width, marker->height,
7920                        marker_x, marker_y);
7921
7922       if (!screen_initialized)
7923         FadeIn(REDRAW_FIELD);
7924       else
7925         BackToFront();
7926
7927       screen_initialized = TRUE;
7928
7929       while (NextValidEvent(&event))
7930       {
7931         switch (event.type)
7932         {
7933           case SDL_JOYAXISMOTION:
7934             if (event.jaxis.value > 20000 ||
7935                 event.jaxis.value < -20000)
7936             {
7937               for (j = 0; j < i; j++)
7938                 if (steps[j].axis == event.jaxis.axis)
7939                   break;
7940
7941               if (j == i)
7942               {
7943                 if (step->marker != MARKER_AXIS_X &&
7944                     step->marker != MARKER_AXIS_Y)
7945                   break;
7946
7947                 step->axis = event.jaxis.axis;
7948                 strcat(mapping, step->field);
7949                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
7950                 strcat(mapping, temp);
7951                 i++;
7952                 next = TRUE;
7953               }
7954             }
7955
7956             break;
7957
7958           case SDL_JOYHATMOTION:
7959             // ignore centering; we're probably just coming back
7960             // to the center from the previous item we set
7961             if (event.jhat.value == SDL_HAT_CENTERED)
7962               break;
7963
7964             for (j = 0; j < i; j++)
7965               if (steps[j].hat == event.jhat.hat &&
7966                   steps[j].hat_value == event.jhat.value)
7967                 break;
7968
7969             if (j == i)
7970             {
7971               step->hat = event.jhat.hat;
7972               step->hat_value = event.jhat.value;
7973               strcat(mapping, step->field);
7974               snprintf(temp, sizeof(temp), ":h%u.%u,",
7975                        event.jhat.hat, event.jhat.value );
7976               strcat(mapping, temp);
7977               i++;
7978               next = TRUE;
7979             }
7980
7981             break;
7982
7983           case SDL_JOYBALLMOTION:
7984             break;
7985
7986           case SDL_JOYBUTTONUP:
7987             for (j = 0; j < i; j++)
7988               if (steps[j].button == event.jbutton.button)
7989                 break;
7990
7991             if (j == i)
7992             {
7993               step->button = event.jbutton.button;
7994               strcat(mapping, step->field);
7995               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
7996               strcat(mapping, temp);
7997               i++;
7998               next = TRUE;
7999             }
8000
8001             break;
8002
8003           case SDL_FINGERDOWN:
8004           case SDL_MOUSEBUTTONDOWN:
8005             // skip this step
8006             i++;
8007             next = TRUE;
8008
8009             break;
8010
8011           case SDL_KEYDOWN:
8012             if (event.key.keysym.sym == KSYM_BackSpace ||
8013                 event.key.keysym.sym == KSYM_Back)
8014             {
8015               if (i == 0)
8016               {
8017                 // leave screen
8018                 success = FALSE;
8019                 done = TRUE;
8020
8021                 break;
8022               }
8023
8024               // undo this step
8025               prev_step = &steps[i - 1];
8026               strcpy(mapping, prev_step->mapping);
8027               i--;
8028               next = TRUE;
8029
8030               break;
8031             }
8032
8033             if (event.key.keysym.sym == KSYM_space ||
8034                 event.key.keysym.sym == KSYM_Return ||
8035                 event.key.keysym.sym == KSYM_Menu)
8036             {
8037               // skip this step
8038               i++;
8039               next = TRUE;
8040
8041               break;
8042             }
8043
8044             if (event.key.keysym.sym == KSYM_Escape)
8045             {
8046               // leave screen
8047               success = FALSE;
8048               done = TRUE;
8049             }
8050
8051             break;
8052
8053           case SDL_QUIT:
8054             program.exit_function(0);
8055             break;
8056
8057           default:
8058             break;
8059         }
8060
8061         // do not handle events for longer than standard frame delay period
8062         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8063           break;
8064       }
8065     }
8066   }
8067
8068   if (success)
8069   {
8070 #if DEBUG_JOYSTICKS
8071     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8072 #endif
8073
8074     // activate mapping for this game
8075     SDL_GameControllerAddMapping(mapping);
8076
8077     // save mapping to personal mappings
8078     SaveSetup_AddGameControllerMapping(mapping);
8079   }
8080
8081   // wait until the last pending event was removed from event queue
8082   while (NextValidEvent(&event));
8083
8084   return success;
8085 }
8086
8087 static int ConfigureJoystickMain(int player_nr)
8088 {
8089   char *device_name = setup.input[player_nr].joy.device_name;
8090   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8091   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8092   int success = FALSE;
8093   int i;
8094
8095   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8096     return JOYSTICK_NOT_AVAILABLE;
8097
8098   if (!joystick_active || !setup.input[player_nr].use_joystick)
8099     return JOYSTICK_NOT_AVAILABLE;
8100
8101   FadeSetEnterMenu();
8102   FadeOut(REDRAW_FIELD);
8103
8104   // close all joystick devices (potentially opened as game controllers)
8105   for (i = 0; i < SDL_NumJoysticks(); i++)
8106     SDLCloseJoystick(i);
8107
8108   // open joystick device as plain joystick to configure as game controller
8109   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8110
8111   // as the joystick was successfully opened before, this should not happen
8112   if (joystick == NULL)
8113     return FALSE;
8114
8115   // create new game controller mapping (buttons and axes) for joystick device
8116   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8117
8118   // close joystick (and maybe re-open as configured game controller later)
8119   SDL_JoystickClose(joystick);
8120
8121   // re-open all joystick devices (potentially as game controllers)
8122   for (i = 0; i < SDL_NumJoysticks(); i++)
8123     SDLOpenJoystick(i);
8124
8125   // clear all joystick input actions for all joystick devices
8126   SDLClearJoystickState();
8127
8128   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8129 }
8130
8131 void ConfigureJoystick(int player_nr)
8132 {
8133   boolean state = ConfigureJoystickMain(player_nr);
8134
8135   if (state != JOYSTICK_NOT_CONFIGURED)
8136   {
8137     boolean success = (state == JOYSTICK_CONFIGURED);
8138     char message1[MAX_OUTPUT_LINESIZE + 1];
8139     char *message2 = (success ? "configured!" : "not available!");
8140     char *device_name = setup.input[player_nr].joy.device_name;
8141     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8142     int font_nr = FONT_TITLE_1;
8143     int font_height = getFontHeight(font_nr);
8144     int ypos1 = SYSIZE / 2 - font_height * 2;
8145     int ypos2 = SYSIZE / 2 - font_height * 1;
8146     unsigned int wait_frame_delay = 0;
8147     unsigned int wait_frame_delay_value = 2000;
8148
8149     ResetDelayCounter(&wait_frame_delay);
8150
8151     ClearField();
8152
8153     sprintf(message1, "Joystick %d", nr);
8154
8155     DrawTextSCentered(ypos1, font_nr, message1);
8156     DrawTextSCentered(ypos2, font_nr, message2);
8157
8158     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8159       BackToFront();
8160
8161     ClearEventQueue();
8162   }
8163
8164   DrawSetupScreen_Input();
8165 }
8166
8167 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8168 {
8169   if (y < video.screen_height / 3)
8170   {
8171     // remap touch gadgets to access upper part of the screen
8172     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8173     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8174   }
8175   else if (y > 2 * video.screen_height / 3)
8176   {
8177     // remap touch gadgets to access lower part of the screen
8178     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8179     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8180   }
8181 }
8182
8183 static boolean ConfigureVirtualButtonsMain(void)
8184 {
8185   static char *customize_step_text[] =
8186   {
8187     "Move Left",
8188     "Move Right",
8189     "Move Up",
8190     "Move Down",
8191     "Snap Field",
8192     "Drop Element"
8193   };
8194   char grid_button[] =
8195   {
8196     CHAR_GRID_BUTTON_LEFT,
8197     CHAR_GRID_BUTTON_RIGHT,
8198     CHAR_GRID_BUTTON_UP,
8199     CHAR_GRID_BUTTON_DOWN,
8200     CHAR_GRID_BUTTON_SNAP,
8201     CHAR_GRID_BUTTON_DROP
8202   };
8203   enum
8204   {
8205     ACTION_NONE,
8206     ACTION_ESCAPE,
8207     ACTION_BACK,
8208     ACTION_NEXT
8209   };
8210   int font_nr = FONT_INPUT_1_ACTIVE;
8211   int font_height = getFontHeight(font_nr);
8212   int ypos1 = SYSIZE / 2 - font_height * 2;
8213   int ypos2 = SYSIZE / 2 - font_height * 1;
8214   boolean success = FALSE;
8215   boolean finished = FALSE;
8216   int step_nr = 0;
8217   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8218   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8219   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8220   boolean set_grid_button = FALSE;
8221   int nr = GRID_ACTIVE_NR();
8222   int x, y;
8223
8224   for (x = 0; x < MAX_GRID_XSIZE; x++)
8225     for (y = 0; y < MAX_GRID_YSIZE; y++)
8226       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8227
8228   overlay.grid_button_highlight = grid_button[step_nr];
8229
8230   UnmapAllGadgets();
8231
8232   FadeSetEnterMenu();
8233   FadeOut(REDRAW_FIELD);
8234
8235   ClearField();
8236
8237   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8238   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8239   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8240
8241   FadeIn(REDRAW_FIELD);
8242
8243   SetOverlayShowGrid(TRUE);
8244
8245   // map gadgets for setup touch buttons menu screen
8246   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8247
8248   while (!finished)
8249   {
8250     Event event;
8251
8252     while (NextValidEvent(&event))
8253     {
8254       int action = ACTION_NONE;
8255
8256       // ---------- handle events and set the resulting action ----------
8257
8258       switch (event.type)
8259       {
8260         case EVENT_USER:
8261           {
8262             UserEvent *user = (UserEvent *)&event;
8263             int id = user->value1;
8264
8265             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8266                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8267                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8268                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8269                       ACTION_NONE);
8270           }
8271           break;
8272
8273         case EVENT_KEYPRESS:
8274           {
8275             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8276
8277             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8278                       key == KSYM_BackSpace ||
8279                       key == KSYM_Back ?        ACTION_BACK :
8280                       key == KSYM_Return ||
8281                       key == KSYM_Menu ||
8282                       key == KSYM_space ?       ACTION_NEXT :
8283                       ACTION_NONE);
8284           }
8285           break;
8286
8287         case EVENT_KEYRELEASE:
8288           key_joystick_mapping = 0;
8289           break;
8290
8291         case EVENT_BUTTONPRESS:
8292         case EVENT_BUTTONRELEASE:
8293           {
8294             ButtonEvent *button = (ButtonEvent *)&event;
8295
8296             motion_status = FALSE;
8297
8298             if (button->type == EVENT_BUTTONPRESS)
8299               button_status = button->button;
8300             else
8301               button_status = MB_RELEASED;
8302
8303             if (HandleGadgets(button->x, button->y, button_status))
8304             {
8305               // do not handle this button event anymore
8306               break;
8307             }
8308
8309             button->x += video.screen_xoffset;
8310             button->y += video.screen_yoffset;
8311
8312             x = button->x * overlay.grid_xsize / video.screen_width;
8313             y = button->y * overlay.grid_ysize / video.screen_height;
8314
8315             if (button->type == EVENT_BUTTONPRESS)
8316             {
8317               grid_button_draw =
8318                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8319                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8320
8321               set_grid_button = TRUE;
8322             }
8323
8324             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8325           }
8326           break;
8327
8328         case EVENT_MOTIONNOTIFY:
8329           {
8330             MotionEvent *motion = (MotionEvent *)&event;
8331
8332             motion_status = TRUE;
8333
8334             if (HandleGadgets(motion->x, motion->y, button_status))
8335             {
8336               // do not handle this button event anymore
8337               break;
8338             }
8339
8340             motion->x += video.screen_xoffset;
8341             motion->y += video.screen_yoffset;
8342
8343             x = motion->x * overlay.grid_xsize / video.screen_width;
8344             y = motion->y * overlay.grid_ysize / video.screen_height;
8345
8346             set_grid_button = TRUE;
8347
8348             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8349           }
8350           break;
8351
8352         case SDL_WINDOWEVENT:
8353           HandleWindowEvent((WindowEvent *) &event);
8354
8355           // check if device has been rotated
8356           if (nr != GRID_ACTIVE_NR())
8357           {
8358             nr = GRID_ACTIVE_NR();
8359
8360             for (x = 0; x < MAX_GRID_XSIZE; x++)
8361               for (y = 0; y < MAX_GRID_YSIZE; y++)
8362                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8363                   overlay.grid_button[x][y];
8364           }
8365
8366           break;
8367
8368         case SDL_APP_WILLENTERBACKGROUND:
8369         case SDL_APP_DIDENTERBACKGROUND:
8370         case SDL_APP_WILLENTERFOREGROUND:
8371         case SDL_APP_DIDENTERFOREGROUND:
8372           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8373           break;
8374
8375         default:
8376           HandleOtherEvents(&event);
8377           break;
8378       }
8379
8380       // ---------- perform action set by handling events ----------
8381
8382       if (action == ACTION_ESCAPE)
8383       {
8384         // abort and restore the old key bindings
8385
8386         for (x = 0; x < MAX_GRID_XSIZE; x++)
8387           for (y = 0; y < MAX_GRID_YSIZE; y++)
8388             overlay.grid_button[x][y] = grid_button_old[x][y];
8389
8390         FadeSkipNextFadeIn();
8391
8392         finished = TRUE;
8393       }
8394       else if (action == ACTION_BACK)
8395       {
8396         // keep the configured key bindings and go to previous page
8397
8398         step_nr--;
8399
8400         if (step_nr < 0)
8401         {
8402           FadeSkipNextFadeIn();
8403
8404           finished = TRUE;
8405         }
8406       }
8407       else if (action == ACTION_NEXT)
8408       {
8409         // keep the configured key bindings and go to next page
8410
8411         step_nr++;
8412
8413         // all virtual buttons configured
8414         if (step_nr == 6)
8415         {
8416           finished = TRUE;
8417           success = TRUE;
8418         }
8419       }
8420
8421       if (action != ACTION_NONE && !finished)
8422       {
8423         for (x = 0; x < MAX_GRID_XSIZE; x++)
8424           for (y = 0; y < MAX_GRID_YSIZE; y++)
8425             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8426
8427         overlay.grid_button_highlight = grid_button[step_nr];
8428
8429         // configure next virtual button
8430
8431         ClearField();
8432
8433         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8434         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8435         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8436       }
8437
8438       if (set_grid_button)
8439       {
8440         overlay.grid_button[x][y] =
8441           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8442            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8443            grid_button_tmp[x][y]);
8444
8445         set_grid_button = FALSE;
8446       }
8447     }
8448
8449     BackToFront();
8450   }
8451
8452   for (x = 0; x < MAX_GRID_XSIZE; x++)
8453     for (y = 0; y < MAX_GRID_YSIZE; y++)
8454       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8455
8456   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8457
8458   SetOverlayShowGrid(FALSE);
8459
8460   return success;
8461 }
8462
8463 void ConfigureVirtualButtons(void)
8464 {
8465   boolean success = ConfigureVirtualButtonsMain();
8466
8467   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8468                          SCREEN_MASK_TOUCH2);
8469
8470   if (success)
8471   {
8472     int font_nr = FONT_TITLE_1;
8473     int font_height = getFontHeight(font_nr);
8474     int ypos1 = SYSIZE / 2 - font_height * 2;
8475     int ypos2 = SYSIZE / 2 - font_height * 1;
8476     unsigned int wait_frame_delay = 0;
8477     unsigned int wait_frame_delay_value = 2000;
8478
8479     ResetDelayCounter(&wait_frame_delay);
8480
8481     ClearField();
8482
8483     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8484     DrawTextSCentered(ypos2, font_nr, "configured!");
8485
8486     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8487       BackToFront();
8488
8489     ClearEventQueue();
8490   }
8491 }
8492
8493 void DrawSetupScreen(void)
8494 {
8495   align_xoffset = 0;
8496   align_yoffset = 0;
8497
8498   if (setup_mode == SETUP_MODE_INPUT)
8499     DrawSetupScreen_Input();
8500   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8501     DrawChooseTree(&game_speed_current);
8502   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8503     DrawChooseTree(&scroll_delay_current);
8504   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8505     DrawChooseTree(&snapshot_mode_current);
8506   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8507     DrawChooseTree(&window_size_current);
8508   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8509     DrawChooseTree(&scaling_type_current);
8510   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8511     DrawChooseTree(&rendering_mode_current);
8512   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8513     DrawChooseTree(&vsync_mode_current);
8514   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8515     DrawChooseTree(&artwork.gfx_current);
8516   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8517     DrawChooseTree(&artwork.snd_current);
8518   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8519     DrawChooseTree(&artwork.mus_current);
8520   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8521     DrawChooseTree(&volume_simple_current);
8522   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8523     DrawChooseTree(&volume_loops_current);
8524   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8525     DrawChooseTree(&volume_music_current);
8526   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8527     DrawChooseTree(&touch_control_current);
8528   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8529     DrawChooseTree(&move_distance_current);
8530   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8531     DrawChooseTree(&drop_distance_current);
8532   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8533     DrawChooseTree(&transparency_current);
8534   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8535     DrawChooseTree(&grid_size_current[0][0]);
8536   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8537     DrawChooseTree(&grid_size_current[0][1]);
8538   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8539     DrawChooseTree(&grid_size_current[1][0]);
8540   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8541     DrawChooseTree(&grid_size_current[1][1]);
8542   else
8543     DrawSetupScreen_Generic();
8544
8545   PlayMenuSoundsAndMusic();
8546 }
8547
8548 void RedrawSetupScreenAfterFullscreenToggle(void)
8549 {
8550   if (setup_mode == SETUP_MODE_GRAPHICS ||
8551       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8552   {
8553     // update list selection from "setup.window_scaling_percent"
8554     execSetupGraphics_setWindowSizes(TRUE);
8555
8556     DrawSetupScreen();
8557   }
8558 }
8559
8560 void RedrawSetupScreenAfterScreenRotation(int nr)
8561 {
8562   int x, y;
8563
8564   if (setup_mode == SETUP_MODE_TOUCH)
8565   {
8566     // update virtual button settings (depending on screen orientation)
8567     DrawSetupScreen();
8568   }
8569   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8570   {
8571     // save already configured virtual buttons
8572     for (x = 0; x < MAX_GRID_XSIZE; x++)
8573       for (y = 0; y < MAX_GRID_YSIZE; y++)
8574         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8575   }
8576 }
8577
8578 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8579 {
8580   if (setup_mode == SETUP_MODE_INPUT)
8581     HandleSetupScreen_Input(mx, my, dx, dy, button);
8582   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8583     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8584   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8585     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8586   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8587     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8588   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8589     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8590   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8591     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8592   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8593     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8594   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8595     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8596   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8597     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8598   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8599     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8600   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8601     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8602   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8603     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8604   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8605     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8606   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8607     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8608   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8609     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8610   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8611     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8612   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8613     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8614   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8615     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8616   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8617     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8618   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8619     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8620   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8621     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8622   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8623     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8624   else
8625     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8626 }
8627
8628 void HandleGameActions(void)
8629 {
8630   if (setup.ask_on_game_over)
8631     CheckGameOver();
8632
8633   if (game.restart_game_message != NULL)
8634   {
8635     RequestRestartGame(game.restart_game_message);
8636
8637     return;
8638   }
8639
8640   if (game_status != GAME_MODE_PLAYING)
8641     return;
8642
8643   GameActions();        // main game loop
8644
8645   if (tape.auto_play && !tape.playing)
8646     AutoPlayTapes();    // continue automatically playing next tape
8647 }
8648
8649
8650 // ---------- new screen button stuff --------------------------------------
8651
8652 static struct
8653 {
8654   int gfx_unpressed, gfx_pressed;
8655   struct MenuPosInfo *pos;
8656   boolean *check_value;
8657   int gadget_id;
8658   int screen_mask;
8659   unsigned int event_mask;
8660   boolean is_touch_button;
8661   char *infotext;
8662 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8663 {
8664   {
8665     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8666     &menu.main.button.prev_level, NULL,
8667     SCREEN_CTRL_ID_PREV_LEVEL,
8668     SCREEN_MASK_MAIN,
8669     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8670     FALSE, "previous level"
8671   },
8672   {
8673     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8674     &menu.main.button.next_level, NULL,
8675     SCREEN_CTRL_ID_NEXT_LEVEL,
8676     SCREEN_MASK_MAIN,
8677     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8678     FALSE, "next level"
8679   },
8680   {
8681     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8682     &menu.main.button.first_level, NULL,
8683     SCREEN_CTRL_ID_FIRST_LEVEL,
8684     SCREEN_MASK_MAIN,
8685     GD_EVENT_RELEASED,
8686     FALSE, "first level"
8687   },
8688   {
8689     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8690     &menu.main.button.last_level, NULL,
8691     SCREEN_CTRL_ID_LAST_LEVEL,
8692     SCREEN_MASK_MAIN,
8693     GD_EVENT_RELEASED,
8694     FALSE, "last level"
8695   },
8696   {
8697     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8698     &menu.main.button.level_number, NULL,
8699     SCREEN_CTRL_ID_LEVEL_NUMBER,
8700     SCREEN_MASK_MAIN,
8701     GD_EVENT_RELEASED,
8702     FALSE, "level number"
8703   },
8704   {
8705     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8706     &menu.setup.button.prev_player, NULL,
8707     SCREEN_CTRL_ID_PREV_PLAYER,
8708     SCREEN_MASK_INPUT,
8709     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8710     FALSE, "previous player"
8711   },
8712   {
8713     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8714     &menu.setup.button.next_player, NULL,
8715     SCREEN_CTRL_ID_NEXT_PLAYER,
8716     SCREEN_MASK_INPUT,
8717     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8718     FALSE, "next player"
8719   },
8720   {
8721     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8722     &menu.main.button.insert_solution, NULL,
8723     SCREEN_CTRL_ID_INSERT_SOLUTION,
8724     SCREEN_MASK_MAIN_HAS_SOLUTION,
8725     GD_EVENT_RELEASED,
8726     FALSE, "insert solution tape"
8727   },
8728   {
8729     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8730     &menu.main.button.play_solution, NULL,
8731     SCREEN_CTRL_ID_PLAY_SOLUTION,
8732     SCREEN_MASK_MAIN_HAS_SOLUTION,
8733     GD_EVENT_RELEASED,
8734     FALSE, "play solution tape"
8735   },
8736   {
8737     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8738     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8739     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8740     SCREEN_MASK_MAIN,
8741     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8742     FALSE, "switch ECS/AGA chipset"
8743   },
8744   {
8745     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8746     &menu.setup.button.touch_back, NULL,
8747     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8748     SCREEN_MASK_TOUCH,
8749     GD_EVENT_RELEASED,
8750     TRUE, "previous page"
8751   },
8752   {
8753     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8754     &menu.setup.button.touch_next, NULL,
8755     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8756     SCREEN_MASK_TOUCH,
8757     GD_EVENT_RELEASED,
8758     TRUE, "next page"
8759   },
8760   {
8761     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8762     &menu.setup.button.touch_back2, NULL,
8763     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8764     SCREEN_MASK_TOUCH2,
8765     GD_EVENT_RELEASED,
8766     TRUE, "previous page"
8767   },
8768   {
8769     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8770     &menu.setup.button.touch_next2, NULL,
8771     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8772     SCREEN_MASK_TOUCH2,
8773     GD_EVENT_RELEASED,
8774     TRUE, "next page"
8775   },
8776 };
8777
8778 static struct
8779 {
8780   int gfx_unpressed, gfx_pressed;
8781   int x, y;
8782   int gadget_id;
8783   char *infotext;
8784 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8785 {
8786   {
8787     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8788     -1, -1,     // these values are not constant, but can change at runtime
8789     SCREEN_CTRL_ID_SCROLL_UP,
8790     "scroll up"
8791   },
8792   {
8793     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8794     -1, -1,     // these values are not constant, but can change at runtime
8795     SCREEN_CTRL_ID_SCROLL_DOWN,
8796     "scroll down"
8797   }
8798 };
8799
8800 static struct
8801 {
8802   int gfx_unpressed, gfx_pressed;
8803   int x, y;
8804   int width, height;
8805   int type;
8806   int gadget_id;
8807   char *infotext;
8808 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8809 {
8810   {
8811     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8812     -1, -1,     // these values are not constant, but can change at runtime
8813     -1, -1,     // these values are not constant, but can change at runtime
8814     GD_TYPE_SCROLLBAR_VERTICAL,
8815     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8816     "scroll level series vertically"
8817   }
8818 };
8819
8820 static struct
8821 {
8822   int graphic;
8823   int gadget_id;
8824   int x, y;
8825   int size;
8826   char *value;
8827   char *infotext;
8828 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8829 {
8830   {
8831     IMG_SETUP_INPUT_TEXT,
8832     SCREEN_CTRL_ID_NETWORK_SERVER,
8833     -1, -1,     // these values are not constant, but can change at runtime
8834     MAX_SETUP_TEXT_INPUT_LEN,
8835     network_server_hostname,
8836     "Network Server Hostname / IP"
8837   },
8838 };
8839
8840 static void CreateScreenMenubuttons(void)
8841 {
8842   struct GadgetInfo *gi;
8843   unsigned int event_mask;
8844   int i;
8845
8846   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8847   {
8848     struct MenuPosInfo *pos = menubutton_info[i].pos;
8849     boolean is_touch_button = menubutton_info[i].is_touch_button;
8850     boolean is_check_button = menubutton_info[i].check_value != NULL;
8851     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8852     int gfx_unpressed, gfx_pressed;
8853     int x, y, width, height;
8854     int gd_x1, gd_x2, gd_y1, gd_y2;
8855     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
8856     int id = menubutton_info[i].gadget_id;
8857     int type = GD_TYPE_NORMAL_BUTTON;
8858     boolean checked = FALSE;
8859
8860     event_mask = menubutton_info[i].event_mask;
8861
8862     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
8863     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
8864
8865     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8866     height = graphic_info[menubutton_info[i].gfx_pressed].height;
8867
8868     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8869     gfx_pressed   = menubutton_info[i].gfx_pressed;
8870     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8871     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8872     gd_x1 = graphic_info[gfx_unpressed].src_x;
8873     gd_y1 = graphic_info[gfx_unpressed].src_y;
8874     gd_x2 = graphic_info[gfx_pressed].src_x;
8875     gd_y2 = graphic_info[gfx_pressed].src_y;
8876     gd_x1a = gd_x1;
8877     gd_y1a = gd_y1;
8878     gd_x2a = gd_x2;
8879     gd_y2a = gd_y2;
8880
8881     if (is_touch_button)
8882     {
8883       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
8884       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
8885     }
8886
8887     if (is_check_button)
8888     {
8889       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
8890       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
8891       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
8892       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
8893
8894       type = GD_TYPE_CHECK_BUTTON;
8895       checked = *menubutton_info[i].check_value;
8896     }
8897
8898     gi = CreateGadget(GDI_CUSTOM_ID, id,
8899                       GDI_CUSTOM_TYPE_ID, i,
8900                       GDI_IMAGE_ID, gfx_unpressed,
8901                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8902                       GDI_X, x,
8903                       GDI_Y, y,
8904                       GDI_WIDTH, width,
8905                       GDI_HEIGHT, height,
8906                       GDI_TYPE, type,
8907                       GDI_STATE, GD_BUTTON_UNPRESSED,
8908                       GDI_CHECKED, checked,
8909                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8910                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8911                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
8912                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
8913                       GDI_DIRECT_DRAW, FALSE,
8914                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
8915                       GDI_EVENT_MASK, event_mask,
8916                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8917                       GDI_END);
8918
8919     if (gi == NULL)
8920       Fail("cannot create gadget");
8921
8922     screen_gadget[id] = gi;
8923   }
8924 }
8925
8926 static void CreateScreenScrollbuttons(void)
8927 {
8928   struct GadgetInfo *gi;
8929   unsigned int event_mask;
8930   int i;
8931
8932   // these values are not constant, but can change at runtime
8933   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
8934   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
8935   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
8936   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
8937
8938   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8939   {
8940     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8941     int gfx_unpressed, gfx_pressed;
8942     int x, y, width, height;
8943     int gd_x1, gd_x2, gd_y1, gd_y2;
8944     int id = scrollbutton_info[i].gadget_id;
8945
8946     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8947
8948     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
8949     y = mSY + scrollbutton_info[i].y;
8950     width = SC_SCROLLBUTTON_XSIZE;
8951     height = SC_SCROLLBUTTON_YSIZE;
8952
8953     // correct scrollbar position if placed outside menu (playfield) area
8954     if (x > SX + SC_SCROLL_UP_XPOS)
8955       x = SX + SC_SCROLL_UP_XPOS;
8956
8957     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
8958       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
8959                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
8960
8961     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
8962     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
8963     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8964     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8965     gd_x1 = graphic_info[gfx_unpressed].src_x;
8966     gd_y1 = graphic_info[gfx_unpressed].src_y;
8967     gd_x2 = graphic_info[gfx_pressed].src_x;
8968     gd_y2 = graphic_info[gfx_pressed].src_y;
8969
8970     gi = CreateGadget(GDI_CUSTOM_ID, id,
8971                       GDI_CUSTOM_TYPE_ID, i,
8972                       GDI_IMAGE_ID, gfx_unpressed,
8973                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8974                       GDI_X, x,
8975                       GDI_Y, y,
8976                       GDI_WIDTH, width,
8977                       GDI_HEIGHT, height,
8978                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8979                       GDI_STATE, GD_BUTTON_UNPRESSED,
8980                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8981                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8982                       GDI_DIRECT_DRAW, FALSE,
8983                       GDI_EVENT_MASK, event_mask,
8984                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8985                       GDI_END);
8986
8987     if (gi == NULL)
8988       Fail("cannot create gadget");
8989
8990     screen_gadget[id] = gi;
8991   }
8992 }
8993
8994 static void CreateScreenScrollbars(void)
8995 {
8996   int i;
8997
8998   // these values are not constant, but can change at runtime
8999   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9000   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9001   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9002   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9003
9004   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9005   {
9006     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9007     int gfx_unpressed, gfx_pressed;
9008     int x, y, width, height;
9009     int gd_x1, gd_x2, gd_y1, gd_y2;
9010     struct GadgetInfo *gi;
9011     int items_max, items_visible, item_position;
9012     unsigned int event_mask;
9013     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9014     int id = scrollbar_info[i].gadget_id;
9015
9016     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9017
9018     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9019     y = mSY + scrollbar_info[i].y;
9020     width  = scrollbar_info[i].width;
9021     height = scrollbar_info[i].height;
9022
9023     // correct scrollbar position if placed outside menu (playfield) area
9024     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9025       x = SX + SC_SCROLL_VERTICAL_XPOS;
9026
9027     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9028       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9029
9030     items_max = num_page_entries;
9031     items_visible = num_page_entries;
9032     item_position = 0;
9033
9034     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9035     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9036     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9037     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9038     gd_x1 = graphic_info[gfx_unpressed].src_x;
9039     gd_y1 = graphic_info[gfx_unpressed].src_y;
9040     gd_x2 = graphic_info[gfx_pressed].src_x;
9041     gd_y2 = graphic_info[gfx_pressed].src_y;
9042
9043     gi = CreateGadget(GDI_CUSTOM_ID, id,
9044                       GDI_CUSTOM_TYPE_ID, i,
9045                       GDI_IMAGE_ID, gfx_unpressed,
9046                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9047                       GDI_X, x,
9048                       GDI_Y, y,
9049                       GDI_WIDTH, width,
9050                       GDI_HEIGHT, height,
9051                       GDI_TYPE, scrollbar_info[i].type,
9052                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9053                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9054                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9055                       GDI_WHEEL_AREA_X, SX,
9056                       GDI_WHEEL_AREA_Y, SY,
9057                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9058                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9059                       GDI_STATE, GD_BUTTON_UNPRESSED,
9060                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9061                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9062                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9063                       GDI_DIRECT_DRAW, FALSE,
9064                       GDI_EVENT_MASK, event_mask,
9065                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9066                       GDI_END);
9067
9068     if (gi == NULL)
9069       Fail("cannot create gadget");
9070
9071     screen_gadget[id] = gi;
9072   }
9073 }
9074
9075 static void CreateScreenTextInputGadgets(void)
9076 {
9077   int i;
9078
9079   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9080   {
9081     int graphic = textinput_info[i].graphic;
9082     struct GraphicInfo *gd = &graphic_info[graphic];
9083     int gd_x1 = gd->src_x;
9084     int gd_y1 = gd->src_y;
9085     int gd_x2 = gd->src_x + gd->active_xoffset;
9086     int gd_y2 = gd->src_y + gd->active_yoffset;
9087     struct GadgetInfo *gi;
9088     unsigned int event_mask;
9089     int id = textinput_info[i].gadget_id;
9090     int x = textinput_info[i].x;
9091     int y = textinput_info[i].y;
9092
9093     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9094
9095     gi = CreateGadget(GDI_CUSTOM_ID, id,
9096                       GDI_CUSTOM_TYPE_ID, i,
9097                       GDI_INFO_TEXT, textinput_info[i].infotext,
9098                       GDI_X, SX + x,
9099                       GDI_Y, SY + y,
9100                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9101                       GDI_TEXT_VALUE, textinput_info[i].value,
9102                       GDI_TEXT_SIZE, textinput_info[i].size,
9103                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9104                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9105                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9106                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9107                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9108                       GDI_DESIGN_WIDTH, gd->width,
9109                       GDI_EVENT_MASK, event_mask,
9110                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9111                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9112                       GDI_END);
9113
9114     if (gi == NULL)
9115       Fail("cannot create gadget");
9116
9117     screen_gadget[id] = gi;
9118   }
9119 }
9120
9121 void CreateScreenGadgets(void)
9122 {
9123   CreateScreenMenubuttons();
9124
9125   CreateScreenScrollbuttons();
9126   CreateScreenScrollbars();
9127
9128   CreateScreenTextInputGadgets();
9129 }
9130
9131 void FreeScreenGadgets(void)
9132 {
9133   int i;
9134
9135   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9136     FreeGadget(screen_gadget[i]);
9137 }
9138
9139 static void MapScreenMenuGadgets(int screen_mask)
9140 {
9141   int i;
9142
9143   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9144     if (screen_mask & menubutton_info[i].screen_mask)
9145       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9146 }
9147
9148 static void UnmapScreenMenuGadgets(int screen_mask)
9149 {
9150   int i;
9151
9152   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9153   {
9154     if (screen_mask & menubutton_info[i].screen_mask)
9155     {
9156       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9157
9158       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9159         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9160                        screen_gadget[menubutton_info[i].gadget_id]->y,
9161                        screen_gadget[menubutton_info[i].gadget_id]->width,
9162                        screen_gadget[menubutton_info[i].gadget_id]->height);
9163     }
9164   }
9165 }
9166
9167 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9168 {
9169   if (map_gadgets)
9170     MapScreenMenuGadgets(screen_mask);
9171   else
9172     UnmapScreenMenuGadgets(screen_mask);
9173 }
9174
9175 static void MapScreenGadgets(int num_entries)
9176 {
9177   int i;
9178
9179   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9180     return;
9181
9182   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9183     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9184
9185   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9186     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9187 }
9188
9189 static void MapScreenTreeGadgets(TreeInfo *ti)
9190 {
9191   MapScreenGadgets(numTreeInfoInGroup(ti));
9192 }
9193
9194 static void HandleScreenGadgets(struct GadgetInfo *gi)
9195 {
9196   int id = gi->custom_id;
9197   int button = gi->event.button;
9198   int step = (button == MB_LEFTBUTTON   ? 1 :
9199               button == MB_MIDDLEBUTTON ? 5 :
9200               button == MB_RIGHTBUTTON  ? 10 : 1);
9201
9202   switch (id)
9203   {
9204     case SCREEN_CTRL_ID_PREV_LEVEL:
9205       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9206       break;
9207
9208     case SCREEN_CTRL_ID_NEXT_LEVEL:
9209       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9210       break;
9211
9212     case SCREEN_CTRL_ID_FIRST_LEVEL:
9213       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9214       break;
9215
9216     case SCREEN_CTRL_ID_LAST_LEVEL:
9217       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9218       break;
9219
9220     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9221       CloseDoor(DOOR_CLOSE_2);
9222       SetGameStatus(GAME_MODE_LEVELNR);
9223       DrawChooseLevelNr();
9224       break;
9225
9226     case SCREEN_CTRL_ID_PREV_PLAYER:
9227       HandleSetupScreen_Input_Player(step, -1);
9228       break;
9229
9230     case SCREEN_CTRL_ID_NEXT_PLAYER:
9231       HandleSetupScreen_Input_Player(step, +1);
9232       break;
9233
9234     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9235       InsertSolutionTape();
9236       break;
9237
9238     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9239       PlaySolutionTape();
9240       break;
9241
9242     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9243       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9244       DrawMainMenu();
9245       break;
9246
9247     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9248     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9249     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9250     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9251       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9252       break;
9253
9254     case SCREEN_CTRL_ID_SCROLL_UP:
9255       if (game_status == GAME_MODE_NAMES)
9256         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9257       else if (game_status == GAME_MODE_LEVELS)
9258         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9259       else if (game_status == GAME_MODE_LEVELNR)
9260         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9261       else if (game_status == GAME_MODE_SETUP)
9262         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9263       else if (game_status == GAME_MODE_INFO)
9264         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9265       break;
9266
9267     case SCREEN_CTRL_ID_SCROLL_DOWN:
9268       if (game_status == GAME_MODE_NAMES)
9269         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9270       else if (game_status == GAME_MODE_LEVELS)
9271         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9272       else if (game_status == GAME_MODE_LEVELNR)
9273         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9274       else if (game_status == GAME_MODE_SETUP)
9275         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9276       else if (game_status == GAME_MODE_INFO)
9277         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9278       break;
9279
9280     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9281       if (game_status == GAME_MODE_NAMES)
9282         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9283       else if (game_status == GAME_MODE_LEVELS)
9284         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9285       else if (game_status == GAME_MODE_LEVELNR)
9286         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9287       else if (game_status == GAME_MODE_SETUP)
9288         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9289       else if (game_status == GAME_MODE_INFO)
9290         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9291       break;
9292
9293     case SCREEN_CTRL_ID_NETWORK_SERVER:
9294     {
9295       if (!strEqual(gi->textinput.value, ""))
9296       {
9297         setString(&setup.network_server_hostname, gi->textinput.value);
9298
9299         network.server_host = setup.network_server_hostname;
9300       }
9301       else
9302       {
9303         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9304
9305         network.server_host = NULL;
9306       }
9307
9308       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9309         network.server_host = NULL;
9310
9311       execSetupGame_setNetworkServerText();
9312
9313       DrawSetupScreen();
9314
9315       break;
9316     }
9317
9318     default:
9319       break;
9320   }
9321 }
9322
9323 void DumpScreenIdentifiers(void)
9324 {
9325   int i;
9326
9327   Print("Active screen elements on current screen:\n");
9328
9329   for (i = 0; main_controls[i].nr != -1; i++)
9330   {
9331     struct MainControlInfo *mci = &main_controls[i];
9332
9333     if (mci->button_graphic != -1)
9334     {
9335       char *token = getTokenFromImageID(mci->button_graphic);
9336
9337       Print("- '%s'\n", token);
9338     }
9339   }
9340
9341   Print("Done.\n");
9342 }
9343
9344 boolean DoScreenAction(int image_id)
9345 {
9346   int i;
9347
9348   if (game_status != GAME_MODE_MAIN)
9349     return FALSE;
9350
9351   for (i = 0; main_controls[i].nr != -1; i++)
9352   {
9353     struct MainControlInfo *mci = &main_controls[i];
9354     struct MenuPosInfo *pos = mci->pos_button;
9355
9356     if (mci->button_graphic == image_id)
9357     {
9358       int x = mSX + pos->x;
9359       int y = mSY + pos->y;
9360
9361       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9362
9363       return TRUE;
9364     }
9365   }
9366
9367   return FALSE;
9368 }
9369
9370 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9371 {
9372   // get tree info node of newly added level or artwork set
9373   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9374   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9375                                                       tree_subdir_new);
9376   if (tree_node_new == NULL)    // should not happen
9377     return;
9378
9379   // if request dialog is active, do nothing
9380   if (game.request_active)
9381     return;
9382
9383   if (game_status == GAME_MODE_MAIN &&
9384       tree_type == TREE_TYPE_LEVEL_DIR)
9385   {
9386     // when adding new level set in main menu, select it as current level set
9387
9388     // change current level set to newly added level set from zip file
9389     leveldir_current = tree_node_new;
9390
9391     // change current level number to first level of newly added level set
9392     level_nr = leveldir_current->first_level;
9393
9394     // redraw screen to reflect changed level set
9395     DrawMainMenu();
9396
9397     // save this level set and level number as last selected level set
9398     SaveLevelSetup_LastSeries();
9399     SaveLevelSetup_SeriesInfo();
9400   }
9401   else if (game_status == GAME_MODE_LEVELS &&
9402            tree_type == TREE_TYPE_LEVEL_DIR)
9403   {
9404     // when adding new level set in level set menu, set cursor and update screen
9405
9406     leveldir_current = tree_node_new;
9407
9408     DrawChooseTree(&leveldir_current);
9409   }
9410   else if (game_status == GAME_MODE_SETUP)
9411   {
9412     // when adding new artwork set in setup menu, set cursor and update screen
9413
9414     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9415         tree_type == TREE_TYPE_GRAPHICS_DIR)
9416     {
9417       artwork.gfx_current = tree_node_new;
9418
9419       DrawChooseTree(&artwork.gfx_current);
9420     }
9421     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9422              tree_type == TREE_TYPE_SOUNDS_DIR)
9423     {
9424       artwork.snd_current = tree_node_new;
9425
9426       DrawChooseTree(&artwork.snd_current);
9427     }
9428     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9429              tree_type == TREE_TYPE_MUSIC_DIR)
9430     {
9431       artwork.mus_current = tree_node_new;
9432
9433       DrawChooseTree(&artwork.mus_current);
9434     }
9435   }
9436 }