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 //                  http://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_EDITOR               2
  48 #define SETUP_MODE_GRAPHICS             3
  49 #define SETUP_MODE_SOUND                4
  50 #define SETUP_MODE_ARTWORK              5
  51 #define SETUP_MODE_INPUT                6
  52 #define SETUP_MODE_TOUCH                7
  53 #define SETUP_MODE_SHORTCUTS            8
  54 #define SETUP_MODE_SHORTCUTS_1          9
  55 #define SETUP_MODE_SHORTCUTS_2          10
  56 #define SETUP_MODE_SHORTCUTS_3          11
  57 #define SETUP_MODE_SHORTCUTS_4          12
  58 #define SETUP_MODE_SHORTCUTS_5          13
  59
  60 // sub-screens on the setup screen (generic)
  61 #define SETUP_MODE_CHOOSE_ARTWORK       14
  62 #define SETUP_MODE_CHOOSE_OTHER         15
  63
  64 // sub-screens on the setup screen (specific)
  65 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  66 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  67 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
  68 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   19
  69 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
  70 #define SETUP_MODE_CHOOSE_RENDERING     21
  71 #define SETUP_MODE_CHOOSE_VSYNC         22
  72 #define SETUP_MODE_CHOOSE_GRAPHICS      23
  73 #define SETUP_MODE_CHOOSE_SOUNDS        24
  74 #define SETUP_MODE_CHOOSE_MUSIC         25
  75 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 26
  76 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  27
  77 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  28
  78 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 29
  79 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 30
  80 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 31
  81 #define SETUP_MODE_CHOOSE_TRANSPARENCY  32
  82 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  33
  83 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  34
  84 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  35
  85 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  36
  86 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  37
  87
  88 #define MAX_SETUP_MODES                 38
  89
  90 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  91
  92 // setup screen titles
  93 #define STR_SETUP_MAIN                  "Setup"
  94 #define STR_SETUP_GAME                  "Game & Menu"
  95 #define STR_SETUP_EDITOR                "Editor"
  96 #define STR_SETUP_GRAPHICS              "Graphics"
  97 #define STR_SETUP_SOUND                 "Sound & Music"
  98 #define STR_SETUP_ARTWORK               "Custom Artwork"
  99 #define STR_SETUP_INPUT                 "Input Devices"
 100 #define STR_SETUP_TOUCH                 "Touch Controls"
 101 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 102 #define STR_SETUP_EXIT                  "Exit"
 103 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 104
 105 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 106 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 107 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 108 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 109 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 110 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 111 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 112 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 113 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 114 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 115 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 116 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 117 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 118 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 119 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 120 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 121 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 122 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 123
 124 // for input setup functions
 125 #define SETUPINPUT_SCREEN_POS_START     0
 126 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 127 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 128 #define SETUPINPUT_SCREEN_POS_END       13
 129
 130 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 131 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 132
 133 #define MAX_SETUP_TEXT_INPUT_LEN        28
 134
 135 // for various menu stuff
 136 #define MENU_SCREEN_START_XPOS          1
 137 #define MENU_SCREEN_START_YPOS          2
 138 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 139 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 140 #define MENU_TITLE1_YPOS                8
 141 #define MENU_TITLE2_YPOS                46
 142 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 143 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 144 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 145 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 146 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 147 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 148 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 149 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 150 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 151 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 152 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 153                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 154                                                          MENU_INFO_FONT_TITLE))
 155 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 156 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 157 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 158                                          MENU_SCREEN_INFO_YSTART2 -     \
 159                                          TILEY / 2)
 160 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 161 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 162                                          MENU_SCREEN_INFO_YSTEP)
 163 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 164   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 165    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 166    MAX_MENU_ENTRIES_ON_SCREEN)
 167 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 168                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 169                                             NUM_INFO_ELEMENTS_FROM_CONF)
 170 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 171 #define MAX_MENU_TEXT_LENGTH_BIG        13
 172 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 173
 174 // screen gadget identifiers
 175 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 176 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 177 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 178 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 179 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 180 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 181 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 182 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 183 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 184 #define SCREEN_CTRL_ID_SCROLL_UP        9
 185 #define SCREEN_CTRL_ID_SCROLL_DOWN      10
 186 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  11
 187 #define SCREEN_CTRL_ID_NETWORK_SERVER   12
 188
 189 #define NUM_SCREEN_GADGETS              13
 190
 191 #define NUM_SCREEN_MENUBUTTONS          9
 192 #define NUM_SCREEN_SCROLLBUTTONS        2
 193 #define NUM_SCREEN_SCROLLBARS           1
 194 #define NUM_SCREEN_TEXTINPUT            1
 195
 196 #define SCREEN_MASK_MAIN                (1 << 0)
 197 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 198 #define SCREEN_MASK_INPUT               (1 << 2)
 199
 200 // graphic position and size values for buttons and scrollbars
 201 #define SC_MENUBUTTON_XSIZE             TILEX
 202 #define SC_MENUBUTTON_YSIZE             TILEY
 203
 204 #define SC_SCROLLBUTTON_XSIZE           TILEX
 205 #define SC_SCROLLBUTTON_YSIZE           TILEY
 206
 207 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 208
 209 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 210 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 211                                          SC_SCROLLBUTTON_YSIZE)
 212
 213 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 214 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 215
 216 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 217 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 218                                          SC_SCROLLBUTTON_YSIZE)
 219
 220 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 221 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 222                                          SC_SCROLL_VERTICAL_YSIZE)
 223
 224 #define SC_BORDER_SIZE                  14
 225
 226
 227 // forward declarations of internal functions
 228 static void HandleScreenGadgets(struct GadgetInfo *);
 229 static void HandleSetupScreen_Generic(int, int, int, int, int);
 230 static void HandleSetupScreen_Input(int, int, int, int, int);
 231 static void CustomizeKeyboard(int);
 232 static void ConfigureJoystick(int);
 233 static void ConfigureVirtualButtons(void);
 234 static void execSetupGame(void);
 235 static void execSetupGraphics(void);
 236 static void execSetupSound(void);
 237 static void execSetupTouch(void);
 238 static void execSetupArtwork(void);
 239 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 240
 241 static void DrawChooseLevelSet(void);
 242 static void DrawChooseLevelNr(void);
 243 static void DrawInfoScreen(void);
 244 static void DrawSetupScreen(void);
 245
 246 static void DrawInfoScreen_NotAvailable(char *, char *);
 247 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 248 static void DrawInfoScreen_HelpText(int, int, int, int);
 249 static void HandleInfoScreen_Main(int, int, int, int, int);
 250 static void HandleInfoScreen_TitleScreen(int);
 251 static void HandleInfoScreen_Elements(int);
 252 static void HandleInfoScreen_Music(int);
 253 static void HandleInfoScreen_Credits(int);
 254 static void HandleInfoScreen_Program(int);
 255 static void HandleInfoScreen_Version(int);
 256
 257 static void ModifyGameSpeedIfNeeded(void);
 258 static void DisableVsyncIfNeeded(void);
 259
 260 static void MapScreenMenuGadgets(int);
 261 static void MapScreenGadgets(int);
 262 static void MapScreenTreeGadgets(TreeInfo *);
 263
 264 static void UpdateScreenMenuGadgets(int, boolean);
 265
 266 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 267
 268 static int info_mode = INFO_MODE_MAIN;
 269 static int setup_mode = SETUP_MODE_MAIN;
 270
 271 static TreeInfo *window_sizes = NULL;
 272 static TreeInfo *window_size_current = NULL;
 273
 274 static TreeInfo *scaling_types = NULL;
 275 static TreeInfo *scaling_type_current = NULL;
 276
 277 static TreeInfo *rendering_modes = NULL;
 278 static TreeInfo *rendering_mode_current = NULL;
 279
 280 static TreeInfo *vsync_modes = NULL;
 281 static TreeInfo *vsync_mode_current = NULL;
 282
 283 static TreeInfo *scroll_delays = NULL;
 284 static TreeInfo *scroll_delay_current = NULL;
 285
 286 static TreeInfo *snapshot_modes = NULL;
 287 static TreeInfo *snapshot_mode_current = NULL;
 288
 289 static TreeInfo *game_speeds_normal = NULL;
 290 static TreeInfo *game_speeds_extended = NULL;
 291 static TreeInfo *game_speeds = NULL;
 292 static TreeInfo *game_speed_current = NULL;
 293
 294 static TreeInfo *volumes_simple = NULL;
 295 static TreeInfo *volume_simple_current = NULL;
 296
 297 static TreeInfo *volumes_loops = NULL;
 298 static TreeInfo *volume_loops_current = NULL;
 299
 300 static TreeInfo *volumes_music = NULL;
 301 static TreeInfo *volume_music_current = NULL;
 302
 303 static TreeInfo *touch_controls = NULL;
 304 static TreeInfo *touch_control_current = NULL;
 305
 306 static TreeInfo *move_distances = NULL;
 307 static TreeInfo *move_distance_current = NULL;
 308
 309 static TreeInfo *drop_distances = NULL;
 310 static TreeInfo *drop_distance_current = NULL;
 311
 312 static TreeInfo *transparencies = NULL;
 313 static TreeInfo *transparency_current = NULL;
 314
 315 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 316 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 317
 318 static TreeInfo *level_number = NULL;
 319 static TreeInfo *level_number_current = NULL;
 320
 321 static struct ValueTextInfo window_sizes_list[] =
 322 {
 323   {     50,     "50 %"                          },
 324   {     80,     "80 %"                          },
 325   {     90,     "90 %"                          },
 326   {     100,    "100 % (Default)"               },
 327   {     110,    "110 %"                         },
 328   {     120,    "120 %"                         },
 329   {     130,    "130 %"                         },
 330   {     140,    "140 %"                         },
 331   {     150,    "150 %"                         },
 332   {     200,    "200 %"                         },
 333   {     250,    "250 %"                         },
 334   {     300,    "300 %"                         },
 335
 336   {     -1,     NULL                            },
 337 };
 338
 339 static struct StringValueTextInfo scaling_types_list[] =
 340 {
 341   {     SCALING_QUALITY_NEAREST, "Off"          },
 342   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 343   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 344
 345   {     NULL,                    NULL           },
 346 };
 347
 348 static struct StringValueTextInfo rendering_modes_list[] =
 349 {
 350   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 351   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 352 #if DEBUG
 353   // this mode may work under certain conditions, but does not work on Windows
 354   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 355 #endif
 356   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 357
 358   {     NULL,                            NULL                            },
 359 };
 360
 361 static struct StringValueTextInfo vsync_modes_list[] =
 362 {
 363   {     STR_VSYNC_MODE_OFF,             "Off"           },
 364   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 365   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 366
 367   {     NULL,                            NULL           },
 368 };
 369
 370 static struct ValueTextInfo game_speeds_list_normal[] =
 371 {
 372   {     30,     "Very Slow"                     },
 373   {     25,     "Slow"                          },
 374   {     20,     "Normal"                        },
 375   {     15,     "Fast"                          },
 376   {     10,     "Very Fast"                     },
 377
 378   {     -1,     NULL                            },
 379 };
 380
 381 static struct ValueTextInfo game_speeds_list_extended[] =
 382 {
 383   {     1000,   "1 fps (Extremely Slow)"        },
 384   {     500,    "2 fps"                         },
 385   {     200,    "5 fps"                         },
 386   {     100,    "10 fps"                        },
 387   {     50,     "20 fps"                        },
 388   {     29,     "35 fps (Original Supaplex)"    },
 389   {     25,     "40 fps"                        },
 390   {     20,     "50 fps (=== Normal Speed ===)" },
 391   {     16,     "60 fps (60 Hz VSync Speed)"    },
 392   {     14,     "70 fps (Maximum Supaplex)"     },
 393   {     10,     "100 fps"                       },
 394   {     5,      "200 fps"                       },
 395   {     2,      "500 fps"                       },
 396   {     1,      "1000 fps (Extremely Fast)"     },
 397
 398   {     -1,     NULL                            },
 399 };
 400
 401 static struct ValueTextInfo *game_speeds_list;
 402
 403 static struct ValueTextInfo scroll_delays_list[] =
 404 {
 405   {     0,      "0 Tiles (No Scroll Delay)"     },
 406   {     1,      "1 Tile"                        },
 407   {     2,      "2 Tiles"                       },
 408   {     3,      "3 Tiles (Default)"             },
 409   {     4,      "4 Tiles"                       },
 410   {     5,      "5 Tiles"                       },
 411   {     6,      "6 Tiles"                       },
 412   {     7,      "7 Tiles"                       },
 413   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 414
 415   {     -1,     NULL                            },
 416 };
 417
 418 static struct StringValueTextInfo snapshot_modes_list[] =
 419 {
 420   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 421   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 422   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 423   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 424
 425   {     NULL,                                   NULL            },
 426 };
 427
 428 static struct ValueTextInfo volumes_list[] =
 429 {
 430   {     0,      "0 %"                           },
 431   {     1,      "1 %"                           },
 432   {     2,      "2 %"                           },
 433   {     5,      "5 %"                           },
 434   {     10,     "10 %"                          },
 435   {     20,     "20 %"                          },
 436   {     30,     "30 %"                          },
 437   {     40,     "40 %"                          },
 438   {     50,     "50 %"                          },
 439   {     60,     "60 %"                          },
 440   {     70,     "70 %"                          },
 441   {     80,     "80 %"                          },
 442   {     90,     "90 %"                          },
 443   {     100,    "100 %"                         },
 444
 445   {     -1,     NULL                            },
 446 };
 447
 448 static struct StringValueTextInfo touch_controls_list[] =
 449 {
 450   {     TOUCH_CONTROL_OFF,              "Off"                   },
 451   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 452   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 453   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 454
 455   {     NULL,                           NULL                    },
 456 };
 457
 458 static struct ValueTextInfo distances_list[] =
 459 {
 460   {     1,      "1 %"                           },
 461   {     2,      "2 %"                           },
 462   {     3,      "3 %"                           },
 463   {     4,      "4 %"                           },
 464   {     5,      "5 %"                           },
 465   {     10,     "10 %"                          },
 466   {     15,     "15 %"                          },
 467   {     20,     "20 %"                          },
 468   {     25,     "25 %"                          },
 469
 470   {     -1,     NULL                            },
 471 };
 472
 473 static struct ValueTextInfo transparencies_list[] =
 474 {
 475   {     0,      "0 % (Opaque)"                  },
 476   {     10,     "10 %"                          },
 477   {     20,     "20 %"                          },
 478   {     30,     "30 %"                          },
 479   {     40,     "40 %"                          },
 480   {     50,     "50 %"                          },
 481   {     60,     "60 %"                          },
 482   {     70,     "70 %"                          },
 483   {     80,     "80 %"                          },
 484   {     90,     "90 %"                          },
 485   {     100,    "100 % (Invisible)"             },
 486
 487   {     -1,     NULL                            },
 488 };
 489
 490 static struct ValueTextInfo grid_sizes_list[] =
 491 {
 492   {     3,      "3"                             },
 493   {     4,      "4"                             },
 494   {     5,      "5"                             },
 495   {     6,      "6"                             },
 496   {     7,      "7"                             },
 497   {     8,      "8"                             },
 498   {     9,      "9"                             },
 499   {     10,     "10"                            },
 500   {     11,     "11"                            },
 501   {     12,     "12"                            },
 502   {     13,     "13"                            },
 503   {     14,     "14"                            },
 504   {     15,     "15"                            },
 505   {     16,     "16"                            },
 506   {     17,     "17"                            },
 507   {     18,     "18"                            },
 508   {     19,     "19"                            },
 509   {     20,     "20"                            },
 510   {     21,     "21"                            },
 511   {     22,     "22"                            },
 512   {     23,     "23"                            },
 513   {     24,     "24"                            },
 514   {     25,     "25"                            },
 515   {     26,     "26"                            },
 516   {     27,     "27"                            },
 517   {     28,     "28"                            },
 518   {     29,     "29"                            },
 519   {     30,     "30"                            },
 520   {     31,     "31"                            },
 521   {     32,     "32"                            },
 522
 523   {     -1,     NULL                            },
 524 };
 525
 526 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 527                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 528                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 529                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 530
 531 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 532 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 533                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 534                                  INFO_MODE_MAIN)
 535
 536 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 537                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 538                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 539                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 540                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 541                                  SETUP_MODE_CHOOSE_OTHER)
 542
 543 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 544                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 545                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 546 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 547                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 548                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 549 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 550                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 551                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 552
 553 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 554                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 555                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 556 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 557                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 558                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 559 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 560                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 561                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 562
 563 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 564                                  DRAW_XOFFSET_INFO(info_mode) :         \
 565                                  (s) == GAME_MODE_SETUP ?               \
 566                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 567                                  menu.draw_xoffset[DRAW_MODE(s)])
 568 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 569                                  DRAW_YOFFSET_INFO(info_mode) :         \
 570                                  (s) == GAME_MODE_SETUP ?               \
 571                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 572                                  menu.draw_yoffset[DRAW_MODE(s)])
 573 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 574                                  EXTRA_SPACING_INFO(info_mode) :        \
 575                                  (s) == GAME_MODE_SETUP ?               \
 576                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 577                                  menu.extra_spacing[DRAW_MODE(s)])
 578
 579 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 580 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 581
 582 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 583                                     menu.list_size[game_status] :       \
 584                                     MAX_MENU_ENTRIES_ON_SCREEN)
 585
 586 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 587                                          NUM_MENU_ENTRIES_ON_SCREEN)
 588
 589
 590 // title display and control definitions
 591
 592 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 593                                  2 * MAX_NUM_TITLE_MESSAGES)
 594
 595 #define NO_DIRECT_LEVEL_SELECT  (-1)
 596
 597
 598 static int num_title_screens = 0;
 599
 600 struct TitleControlInfo
 601 {
 602   boolean is_image;
 603   boolean initial;
 604   boolean first;
 605   int local_nr;
 606   int sort_priority;
 607 };
 608
 609 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 610
 611 // main menu display and control definitions
 612
 613 #define MAIN_CONTROL_NAME                       0
 614 #define MAIN_CONTROL_LEVELS                     1
 615 #define MAIN_CONTROL_SCORES                     2
 616 #define MAIN_CONTROL_EDITOR                     3
 617 #define MAIN_CONTROL_INFO                       4
 618 #define MAIN_CONTROL_GAME                       5
 619 #define MAIN_CONTROL_SETUP                      6
 620 #define MAIN_CONTROL_QUIT                       7
 621 #define MAIN_CONTROL_PREV_LEVEL                 8
 622 #define MAIN_CONTROL_NEXT_LEVEL                 9
 623 #define MAIN_CONTROL_FIRST_LEVEL                10
 624 #define MAIN_CONTROL_LAST_LEVEL                 11
 625 #define MAIN_CONTROL_LEVEL_NUMBER               12
 626 #define MAIN_CONTROL_LEVEL_INFO_1               13
 627 #define MAIN_CONTROL_LEVEL_INFO_2               14
 628 #define MAIN_CONTROL_LEVEL_NAME                 15
 629 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 630 #define MAIN_CONTROL_LEVEL_YEAR                 17
 631 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 632 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 633 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 634 #define MAIN_CONTROL_TITLE_1                    21
 635 #define MAIN_CONTROL_TITLE_2                    22
 636 #define MAIN_CONTROL_TITLE_3                    23
 637
 638 static char str_main_text_name[10];
 639 static char str_main_text_first_level[10];
 640 static char str_main_text_last_level[10];
 641 static char str_main_text_level_number[10];
 642
 643 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 644
 645 static char *main_text_name                     = str_main_text_name;
 646 static char *main_text_first_level              = str_main_text_first_level;
 647 static char *main_text_last_level               = str_main_text_last_level;
 648 static char *main_text_level_number             = str_main_text_level_number;
 649 static char *main_text_levels                   = "Levelset";
 650 static char *main_text_scores                   = "Hall Of Fame";
 651 static char *main_text_editor                   = "Level Creator";
 652 static char *main_text_info                     = "Info Screen";
 653 static char *main_text_game                     = "Start Game";
 654 static char *main_text_setup                    = "Setup";
 655 static char *main_text_quit                     = "Quit";
 656 static char *main_text_level_name               = level.name;
 657 static char *main_text_level_author             = level.author;
 658 static char *main_text_level_year               = NULL;
 659 static char *main_text_level_imported_from      = NULL;
 660 static char *main_text_level_imported_by        = NULL;
 661 static char *main_text_level_tested_by          = NULL;
 662 static char *main_text_title_1                  = NULL;
 663 static char *main_text_title_2                  = NULL;
 664 static char *main_text_title_3                  = NULL;
 665
 666 struct MainControlInfo
 667 {
 668   int nr;
 669
 670   struct MenuPosInfo *pos_button;
 671   int button_graphic;
 672
 673   struct TextPosInfo *pos_text;
 674   char **text;
 675
 676   struct TextPosInfo *pos_input;
 677   char **input;
 678 };
 679
 680 static struct MainControlInfo main_controls[] =
 681 {
 682   {
 683     MAIN_CONTROL_NAME,
 684     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 685     &menu.main.text.name,               &main_text_name,
 686     &menu.main.input.name,              &setup.player_name,
 687   },
 688   {
 689     MAIN_CONTROL_LEVELS,
 690     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 691     &menu.main.text.levels,             &main_text_levels,
 692     NULL,                               NULL,
 693   },
 694   {
 695     MAIN_CONTROL_SCORES,
 696     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 697     &menu.main.text.scores,             &main_text_scores,
 698     NULL,                               NULL,
 699   },
 700   {
 701     MAIN_CONTROL_EDITOR,
 702     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 703     &menu.main.text.editor,             &main_text_editor,
 704     NULL,                               NULL,
 705   },
 706   {
 707     MAIN_CONTROL_INFO,
 708     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 709     &menu.main.text.info,               &main_text_info,
 710     NULL,                               NULL,
 711   },
 712   {
 713     MAIN_CONTROL_GAME,
 714     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 715     &menu.main.text.game,               &main_text_game,
 716     NULL,                               NULL,
 717   },
 718   {
 719     MAIN_CONTROL_SETUP,
 720     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 721     &menu.main.text.setup,              &main_text_setup,
 722     NULL,                               NULL,
 723   },
 724   {
 725     MAIN_CONTROL_QUIT,
 726     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 727     &menu.main.text.quit,               &main_text_quit,
 728     NULL,                               NULL,
 729   },
 730   {
 731     MAIN_CONTROL_PREV_LEVEL,
 732     NULL,                               -1,
 733     NULL,                               NULL,
 734     NULL,                               NULL,
 735   },
 736   {
 737     MAIN_CONTROL_NEXT_LEVEL,
 738     NULL,                               -1,
 739     NULL,                               NULL,
 740     NULL,                               NULL,
 741   },
 742   {
 743     MAIN_CONTROL_FIRST_LEVEL,
 744     NULL,                               -1,
 745     &menu.main.text.first_level,        &main_text_first_level,
 746     NULL,                               NULL,
 747   },
 748   {
 749     MAIN_CONTROL_LAST_LEVEL,
 750     NULL,                               -1,
 751     &menu.main.text.last_level,         &main_text_last_level,
 752     NULL,                               NULL,
 753   },
 754   {
 755     MAIN_CONTROL_LEVEL_NUMBER,
 756     NULL,                               -1,
 757     &menu.main.text.level_number,       &main_text_level_number,
 758     NULL,                               NULL,
 759   },
 760   {
 761     MAIN_CONTROL_LEVEL_INFO_1,
 762     NULL,                               -1,
 763     &menu.main.text.level_info_1,       NULL,
 764     NULL,                               NULL,
 765   },
 766   {
 767     MAIN_CONTROL_LEVEL_INFO_2,
 768     NULL,                               -1,
 769     &menu.main.text.level_info_2,       NULL,
 770     NULL,                               NULL,
 771   },
 772   {
 773     MAIN_CONTROL_LEVEL_NAME,
 774     NULL,                               -1,
 775     &menu.main.text.level_name,         &main_text_level_name,
 776     NULL,                               NULL,
 777   },
 778   {
 779     MAIN_CONTROL_LEVEL_AUTHOR,
 780     NULL,                               -1,
 781     &menu.main.text.level_author,       &main_text_level_author,
 782     NULL,                               NULL,
 783   },
 784   {
 785     MAIN_CONTROL_LEVEL_YEAR,
 786     NULL,                               -1,
 787     &menu.main.text.level_year,         &main_text_level_year,
 788     NULL,                               NULL,
 789   },
 790   {
 791     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 792     NULL,                               -1,
 793     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 794     NULL,                               NULL,
 795   },
 796   {
 797     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 798     NULL,                               -1,
 799     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 800     NULL,                               NULL,
 801   },
 802   {
 803     MAIN_CONTROL_LEVEL_TESTED_BY,
 804     NULL,                               -1,
 805     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 806     NULL,                               NULL,
 807   },
 808   {
 809     MAIN_CONTROL_TITLE_1,
 810     NULL,                               -1,
 811     &menu.main.text.title_1,            &main_text_title_1,
 812     NULL,                               NULL,
 813   },
 814   {
 815     MAIN_CONTROL_TITLE_2,
 816     NULL,                               -1,
 817     &menu.main.text.title_2,            &main_text_title_2,
 818     NULL,                               NULL,
 819   },
 820   {
 821     MAIN_CONTROL_TITLE_3,
 822     NULL,                               -1,
 823     &menu.main.text.title_3,            &main_text_title_3,
 824     NULL,                               NULL,
 825   },
 826
 827   {
 828     -1,
 829     NULL,                               -1,
 830     NULL,                               NULL,
 831     NULL,                               NULL,
 832   }
 833 };
 834
 835
 836 static int getTitleScreenGraphic(int nr, boolean initial)
 837 {
 838   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 839 }
 840
 841 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 842 {
 843   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 844 }
 845
 846 #if 0
 847 static int getTitleScreenGameMode(boolean initial)
 848 {
 849   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 850 }
 851 #endif
 852
 853 static int getTitleMessageGameMode(boolean initial)
 854 {
 855   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 856 }
 857
 858 static int getTitleAnimMode(struct TitleControlInfo *tci)
 859 {
 860   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 861
 862   return base + tci->local_nr;
 863 }
 864
 865 #if 0
 866 static int getTitleScreenBackground(boolean initial)
 867 {
 868   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 869 }
 870 #endif
 871
 872 #if 0
 873 static int getTitleMessageBackground(int nr, boolean initial)
 874 {
 875   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 876 }
 877 #endif
 878
 879 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 880 {
 881   int base = (is_image ?
 882               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 883                          IMG_BACKGROUND_TITLESCREEN_1) :
 884               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 885                          IMG_BACKGROUND_TITLEMESSAGE_1));
 886   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 887                                   IMG_BACKGROUND_TITLE);
 888   int graphic_local = base + nr;
 889
 890   if (graphic_info[graphic_local].bitmap != NULL)
 891     return graphic_local;
 892
 893   if (graphic_info[graphic_global].bitmap != NULL)
 894     return graphic_global;
 895
 896   return IMG_UNDEFINED;
 897 }
 898
 899 static int getTitleSound(struct TitleControlInfo *tci)
 900 {
 901   boolean is_image = tci->is_image;
 902   int initial = tci->initial;
 903   int nr = tci->local_nr;
 904   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 905   int base = (is_image ?
 906               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 907                          SND_BACKGROUND_TITLESCREEN_1) :
 908               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 909                          SND_BACKGROUND_TITLEMESSAGE_1));
 910   int sound_global = menu.sound[mode];
 911   int sound_local = base + nr;
 912
 913 #if 0
 914   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 915          nr, initial, is_image,
 916          sound_global, getSoundListEntry(sound_global)->filename,
 917          sound_local, getSoundListEntry(sound_local)->filename);
 918 #endif
 919
 920   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 921     return sound_local;
 922
 923   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 924     return sound_global;
 925
 926   return SND_UNDEFINED;
 927 }
 928
 929 static int getTitleMusic(struct TitleControlInfo *tci)
 930 {
 931   boolean is_image = tci->is_image;
 932   int initial = tci->initial;
 933   int nr = tci->local_nr;
 934   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 935   int base = (is_image ?
 936               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 937                          MUS_BACKGROUND_TITLESCREEN_1) :
 938               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 939                          MUS_BACKGROUND_TITLEMESSAGE_1));
 940   int music_global = menu.music[mode];
 941   int music_local = base + nr;
 942
 943 #if 0
 944   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 945          nr, initial, is_image,
 946          music_global, getMusicListEntry(music_global)->filename,
 947          music_local, getMusicListEntry(music_local)->filename);
 948 #endif
 949
 950   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 951     return music_local;
 952
 953   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 954     return music_global;
 955
 956   return MUS_UNDEFINED;
 957 }
 958
 959 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 960 {
 961   boolean is_image = tci->is_image;
 962   boolean initial = tci->initial;
 963   boolean first = tci->first;
 964   int nr = tci->local_nr;
 965   struct TitleMessageInfo tmi;
 966   struct TitleFadingInfo ti;
 967
 968   tmi = (is_image ? (initial ? (first ?
 969                                 titlescreen_initial_first[nr] :
 970                                 titlescreen_initial[nr])
 971                              : (first ?
 972                                 titlescreen_first[nr] :
 973                                 titlescreen[nr]))
 974                   : (initial ? (first ?
 975                                 titlemessage_initial_first[nr] :
 976                                 titlemessage_initial[nr])
 977                              : (first ?
 978                                 titlemessage_first[nr] :
 979                                 titlemessage[nr])));
 980
 981   ti.fade_mode  = tmi.fade_mode;
 982   ti.fade_delay = tmi.fade_delay;
 983   ti.post_delay = tmi.post_delay;
 984   ti.auto_delay = tmi.auto_delay;
 985
 986   return ti;
 987 }
 988
 989 static int compareTitleControlInfo(const void *object1, const void *object2)
 990 {
 991   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 992   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 993   int compare_result;
 994
 995   if (tci1->initial != tci2->initial)
 996     compare_result = (tci1->initial ? -1 : +1);
 997   else if (tci1->sort_priority != tci2->sort_priority)
 998     compare_result = tci1->sort_priority - tci2->sort_priority;
 999   else if (tci1->is_image != tci2->is_image)
1000     compare_result = (tci1->is_image ? -1 : +1);
1001   else
1002     compare_result = tci1->local_nr - tci2->local_nr;
1003
1004   return compare_result;
1005 }
1006
1007 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1008                                                     boolean initial,
1009                                                     int nr, int sort_priority)
1010 {
1011   title_controls[num_title_screens].is_image = is_image;
1012   title_controls[num_title_screens].initial = initial;
1013   title_controls[num_title_screens].local_nr = nr;
1014   title_controls[num_title_screens].sort_priority = sort_priority;
1015
1016   title_controls[num_title_screens].first = FALSE;      // will be set later
1017
1018   num_title_screens++;
1019 }
1020
1021 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1022 {
1023   int i;
1024
1025   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1026   {
1027     int graphic = getTitleScreenGraphic(i, initial);
1028     Bitmap *bitmap = graphic_info[graphic].bitmap;
1029     int sort_priority = graphic_info[graphic].sort_priority;
1030
1031     if (bitmap != NULL)
1032       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1033   }
1034
1035   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1036   {
1037     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1038     char *filename = getLevelSetTitleMessageFilename(i, initial);
1039     int sort_priority = tmi->sort_priority;
1040
1041     if (filename != NULL)
1042       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1043   }
1044 }
1045
1046 static void InitializeTitleControls(boolean show_title_initial)
1047 {
1048   num_title_screens = 0;
1049
1050   // 1st step: initialize title screens for game start (only when starting)
1051   if (show_title_initial)
1052     InitializeTitleControls_CheckTitleInfo(TRUE);
1053
1054   // 2nd step: initialize title screens for current level set
1055   InitializeTitleControls_CheckTitleInfo(FALSE);
1056
1057   // sort title screens according to sort_priority and title number
1058   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1059         compareTitleControlInfo);
1060
1061   // mark first title screen
1062   title_controls[0].first = TRUE;
1063 }
1064
1065 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1066 {
1067   return (pos != NULL && pos->x != -1 && pos->y != -1);
1068 }
1069
1070 static boolean visibleTextPos(struct TextPosInfo *pos)
1071 {
1072   return (pos != NULL && pos->x != -1 && pos->y != -1);
1073 }
1074
1075 static void InitializeMainControls(void)
1076 {
1077   boolean local_team_mode = (!network.enabled && setup.team_mode);
1078   int i;
1079
1080   // set main control text values to dynamically determined values
1081   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1082
1083   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1084                                          menu.main.text.first_level.size));
1085   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1086                                          menu.main.text.last_level.size));
1087   strcpy(main_text_level_number, int2str(level_nr,
1088                                          menu.main.text.level_number.size));
1089
1090   main_text_level_year          = leveldir_current->year;
1091   main_text_level_imported_from = leveldir_current->imported_from;
1092   main_text_level_imported_by   = leveldir_current->imported_by;
1093   main_text_level_tested_by     = leveldir_current->tested_by;
1094
1095   main_text_title_1 = getConfigProgramTitleString();
1096   main_text_title_2 = getConfigProgramCopyrightString();
1097   main_text_title_3 = getConfigProgramCompanyString();
1098
1099   // set main control screen positions to dynamically determined values
1100   for (i = 0; main_controls[i].nr != -1; i++)
1101   {
1102     struct MainControlInfo *mci = &main_controls[i];
1103     int nr                         = mci->nr;
1104     struct MenuPosInfo *pos_button = mci->pos_button;
1105     struct TextPosInfo *pos_text   = mci->pos_text;
1106     struct TextPosInfo *pos_input  = mci->pos_input;
1107     char *text                     = (mci->text  ? *mci->text  : NULL);
1108     char *input                    = (mci->input ? *mci->input : NULL);
1109     int button_graphic             = mci->button_graphic;
1110     int font_text                  = (pos_text  ? pos_text->font  : -1);
1111     int font_input                 = (pos_input ? pos_input->font : -1);
1112
1113     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1114     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1115     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1116     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1117     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1118     int input_chars = (input != NULL ? strlen(input) : 0);
1119
1120     int button_width =
1121       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1122     int button_height =
1123       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1124     int text_width   = font_text_width * text_chars;
1125     int text_height  = font_text_height;
1126     int input_width  = font_input_width * input_chars;
1127     int input_height = font_input_height;
1128
1129     if (nr == MAIN_CONTROL_NAME)
1130     {
1131       menu.main.input.name.width  = input_width;
1132       menu.main.input.name.height = input_height;
1133     }
1134
1135     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1136     {
1137       pos_button->width  = button_width;
1138       pos_button->height = button_height;
1139     }
1140
1141     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1142     {
1143       // calculate text size -- needed for text alignment
1144       boolean calculate_text_size = (text != NULL);
1145
1146       if (pos_text->width == -1 || calculate_text_size)
1147         pos_text->width = text_width;
1148       if (pos_text->height == -1 || calculate_text_size)
1149         pos_text->height = text_height;
1150
1151       if (visibleMenuPos(pos_button))
1152       {
1153         if (pos_text->x == -1)
1154           pos_text->x = pos_button->x + pos_button->width;
1155         if (pos_text->y == -1)
1156           pos_text->y =
1157             pos_button->y + (pos_button->height - pos_text->height) / 2;
1158       }
1159     }
1160
1161     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1162     {
1163       if (visibleTextPos(pos_text))
1164       {
1165         if (pos_input->x == -1)
1166           pos_input->x = pos_text->x + pos_text->width;
1167         if (pos_input->y == -1)
1168           pos_input->y = pos_text->y;
1169       }
1170
1171       if (pos_input->width == -1)
1172         pos_input->width = input_width;
1173       if (pos_input->height == -1)
1174         pos_input->height = input_height;
1175     }
1176   }
1177 }
1178
1179 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1180                                        int graphic, boolean pressed)
1181 {
1182   struct GraphicInfo *g = &graphic_info[graphic];
1183   Bitmap *src_bitmap;
1184   int src_x, src_y;
1185   int xoffset = (pressed ? g->pressed_xoffset : 0);
1186   int yoffset = (pressed ? g->pressed_yoffset : 0);
1187
1188   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1189
1190   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1191                    g->width, g->height, dst_x, dst_y);
1192 }
1193
1194 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1195                                        boolean active_input,
1196                                        boolean pressed_button)
1197 {
1198   int i;
1199
1200   for (i = 0; main_controls[i].nr != -1; i++)
1201   {
1202     struct MainControlInfo *mci = &main_controls[i];
1203
1204     if (mci->nr == nr || nr == -1)
1205     {
1206       struct MenuPosInfo *pos_button = mci->pos_button;
1207       struct TextPosInfo *pos_text   = mci->pos_text;
1208       struct TextPosInfo *pos_input  = mci->pos_input;
1209       char *text                     = (mci->text  ? *mci->text  : NULL);
1210       char *input                    = (mci->input ? *mci->input : NULL);
1211       int button_graphic             = mci->button_graphic;
1212       int font_text                  = (pos_text  ? pos_text->font  : -1);
1213       int font_input                 = (pos_input ? pos_input->font : -1);
1214
1215       if (active_text)
1216       {
1217         button_graphic = BUTTON_ACTIVE(button_graphic);
1218         font_text = FONT_ACTIVE(font_text);
1219       }
1220
1221       if (active_input)
1222       {
1223         font_input = FONT_ACTIVE(font_input);
1224       }
1225
1226       if (visibleMenuPos(pos_button))
1227       {
1228         struct MenuPosInfo *pos = pos_button;
1229         int x = mSX + pos->x;
1230         int y = mSY + pos->y;
1231
1232         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1233         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1234       }
1235
1236       if (visibleTextPos(pos_text) && text != NULL)
1237       {
1238         struct TextPosInfo *pos = pos_text;
1239         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1240         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1241
1242 #if 1
1243         // (check why/if this is needed)
1244         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1245 #endif
1246         DrawText(x, y, text, font_text);
1247       }
1248
1249       if (visibleTextPos(pos_input) && input != NULL)
1250       {
1251         struct TextPosInfo *pos = pos_input;
1252         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1253         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1254
1255 #if 1
1256         // (check why/if this is needed)
1257         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1258 #endif
1259         DrawText(x, y, input, font_input);
1260       }
1261     }
1262   }
1263 }
1264
1265 static void DrawCursorAndText_Main(int nr, boolean active_text,
1266                                    boolean pressed_button)
1267 {
1268   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1269 }
1270
1271 #if 0
1272 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1273                                          boolean pressed_button)
1274 {
1275   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1276 }
1277 #endif
1278
1279 static struct MainControlInfo *getMainControlInfo(int nr)
1280 {
1281   int i;
1282
1283   for (i = 0; main_controls[i].nr != -1; i++)
1284     if (main_controls[i].nr == nr)
1285       return &main_controls[i];
1286
1287   return NULL;
1288 }
1289
1290 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1291 {
1292   if (rect == NULL)
1293     return FALSE;
1294
1295   int rect_x = ALIGNED_TEXT_XPOS(rect);
1296   int rect_y = ALIGNED_TEXT_YPOS(rect);
1297
1298   return (x >= rect_x && x < rect_x + rect->width &&
1299           y >= rect_y && y < rect_y + rect->height);
1300 }
1301
1302 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1303 {
1304   if (rect == NULL)
1305     return FALSE;
1306
1307   int rect_x = ALIGNED_TEXT_XPOS(rect);
1308   int rect_y = ALIGNED_TEXT_YPOS(rect);
1309
1310 #if 0
1311   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1312          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1313          (x >= rect_x && x < rect_x + rect->width &&
1314           y >= rect_y && y < rect_y + rect->height));
1315 #endif
1316
1317   return (x >= rect_x && x < rect_x + rect->width &&
1318           y >= rect_y && y < rect_y + rect->height);
1319 }
1320
1321 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1322 {
1323   int rect_width  = preview->xsize * preview->tile_size;
1324   int rect_height = preview->ysize * preview->tile_size;
1325   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1326   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1327
1328   return (x >= rect_x && x < rect_x + rect_width &&
1329           y >= rect_y && y < rect_y + rect_height);
1330 }
1331
1332 static void AdjustScrollbar(int id, int items_max, int items_visible,
1333                             int item_position)
1334 {
1335   struct GadgetInfo *gi = screen_gadget[id];
1336
1337   if (item_position > items_max - items_visible)
1338     item_position = items_max - items_visible;
1339
1340   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1341                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1342                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1343 }
1344
1345 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1346 {
1347   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1348                   first_entry);
1349 }
1350
1351 static void clearMenuListArea(void)
1352 {
1353   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1354
1355   // correct scrollbar position if placed outside menu (playfield) area
1356   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1357     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1358
1359   // clear menu list area, but not title or scrollbar
1360   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1361                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1362 }
1363
1364 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1365 {
1366   static int cursor_array[MAX_LEV_FIELDY];
1367   int x = mSX + TILEX * xpos;
1368   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1369
1370   if (xpos == 0)
1371   {
1372     if (graphic != -1)
1373       cursor_array[ypos] = graphic;
1374     else
1375       graphic = cursor_array[ypos];
1376   }
1377
1378   if (active)
1379     graphic = BUTTON_ACTIVE(graphic);
1380
1381   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1382   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1383 }
1384
1385 static void initCursor(int ypos, int graphic)
1386 {
1387   drawCursorExt(0, ypos, FALSE, graphic);
1388 }
1389
1390 static void drawCursor(int ypos, boolean active)
1391 {
1392   drawCursorExt(0, ypos, active, -1);
1393 }
1394
1395 static void drawCursorXY(int xpos, int ypos, int graphic)
1396 {
1397   drawCursorExt(xpos, ypos, FALSE, graphic);
1398 }
1399
1400 static void drawChooseTreeCursor(int ypos, boolean active)
1401 {
1402   drawCursorExt(0, ypos, active, -1);
1403 }
1404
1405 static void DrawHeadline(void)
1406 {
1407   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1408   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1409 }
1410
1411 static void DrawTitleScreenImage(int nr, boolean initial)
1412 {
1413   int graphic = getTitleScreenGraphic(nr, initial);
1414   Bitmap *bitmap = graphic_info[graphic].bitmap;
1415   int width  = graphic_info[graphic].width;
1416   int height = graphic_info[graphic].height;
1417   int src_x = graphic_info[graphic].src_x;
1418   int src_y = graphic_info[graphic].src_y;
1419   int dst_x, dst_y;
1420
1421   if (bitmap == NULL)
1422     return;
1423
1424   if (width > WIN_XSIZE)
1425   {
1426     // image width too large for window => center image horizontally
1427     src_x = (width - WIN_XSIZE) / 2;
1428     width = WIN_XSIZE;
1429   }
1430
1431   if (height > WIN_YSIZE)
1432   {
1433     // image height too large for window => center image vertically
1434     src_y = (height - WIN_YSIZE) / 2;
1435     height = WIN_YSIZE;
1436   }
1437
1438   // always display title screens centered
1439   dst_x = (WIN_XSIZE - width) / 2;
1440   dst_y = (WIN_YSIZE - height) / 2;
1441
1442   SetDrawBackgroundMask(REDRAW_ALL);
1443   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1444
1445   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1446
1447   if (DrawingOnBackground(dst_x, dst_y))
1448     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1449   else
1450     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1451
1452   redraw_mask = REDRAW_ALL;
1453 }
1454
1455 static void DrawTitleScreenMessage(int nr, boolean initial)
1456 {
1457   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1458   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1459
1460   if (filename == NULL)
1461     return;
1462
1463   // force TITLE font on title message screen
1464   SetFontStatus(getTitleMessageGameMode(initial));
1465
1466   // if chars *and* width set to "-1", automatically determine width
1467   if (tmi->chars == -1 && tmi->width == -1)
1468     tmi->width = viewport.window[game_status].width;
1469
1470   // if lines *and* height set to "-1", automatically determine height
1471   if (tmi->lines == -1 && tmi->height == -1)
1472     tmi->height = viewport.window[game_status].height;
1473
1474   // if chars set to "-1", automatically determine by text and font width
1475   if (tmi->chars == -1)
1476     tmi->chars = tmi->width / getFontWidth(tmi->font);
1477   else
1478     tmi->width = tmi->chars * getFontWidth(tmi->font);
1479
1480   // if lines set to "-1", automatically determine by text and font height
1481   if (tmi->lines == -1)
1482     tmi->lines = tmi->height / getFontHeight(tmi->font);
1483   else
1484     tmi->height = tmi->lines * getFontHeight(tmi->font);
1485
1486   // if x set to "-1", automatically determine by width and alignment
1487   if (tmi->x == -1)
1488     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1489
1490   // if y set to "-1", automatically determine by height and alignment
1491   if (tmi->y == -1)
1492     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1493
1494   SetDrawBackgroundMask(REDRAW_ALL);
1495   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1496
1497   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1498
1499   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1500                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1501                tmi->autowrap, tmi->centered, tmi->parse_comments);
1502
1503   ResetFontStatus();
1504 }
1505
1506 static void DrawTitleScreen(void)
1507 {
1508   KeyboardAutoRepeatOff();
1509
1510   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1511 }
1512
1513 static boolean CheckTitleScreen(boolean levelset_has_changed)
1514 {
1515   static boolean show_title_initial = TRUE;
1516   boolean show_titlescreen = FALSE;
1517
1518   // needed to be able to skip title screen, if no image or message defined
1519   InitializeTitleControls(show_title_initial);
1520
1521   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1522     show_titlescreen = TRUE;
1523
1524   // show initial title images and messages only once at program start
1525   show_title_initial = FALSE;
1526
1527   return (show_titlescreen && num_title_screens > 0);
1528 }
1529
1530 void DrawMainMenu(void)
1531 {
1532   static LevelDirTree *leveldir_last_valid = NULL;
1533   boolean levelset_has_changed = FALSE;
1534   int fade_mask = REDRAW_FIELD;
1535
1536   LimitScreenUpdates(FALSE);
1537
1538   FadeSetLeaveScreen();
1539
1540   // do not fade out here -- function may continue and fade on editor screen
1541
1542   UnmapAllGadgets();
1543   FadeMenuSoundsAndMusic();
1544
1545   ExpireSoundLoops(FALSE);
1546
1547   KeyboardAutoRepeatOn();
1548
1549   audio.sound_deactivated = FALSE;
1550
1551   GetPlayerConfig();
1552
1553   // needed if last screen was the playing screen, invoked from level editor
1554   if (level_editor_test_game)
1555   {
1556     CloseDoor(DOOR_CLOSE_ALL);
1557
1558     SetGameStatus(GAME_MODE_EDITOR);
1559
1560     DrawLevelEd();
1561
1562     return;
1563   }
1564
1565   // needed if last screen was the setup screen and fullscreen state changed
1566   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1567   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1568
1569   // leveldir_current may be invalid (level group, parent link)
1570   if (!validLevelSeries(leveldir_current))
1571     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1572
1573   if (leveldir_current != leveldir_last_valid)
1574     levelset_has_changed = TRUE;
1575
1576   // store valid level series information
1577   leveldir_last_valid = leveldir_current;
1578
1579   init_last = init;                     // switch to new busy animation
1580
1581   // needed if last screen (level choice) changed graphics, sounds or music
1582   ReloadCustomArtwork(0);
1583
1584   if (CheckTitleScreen(levelset_has_changed))
1585   {
1586     SetGameStatus(GAME_MODE_TITLE);
1587
1588     DrawTitleScreen();
1589
1590     return;
1591   }
1592
1593   if (redraw_mask & REDRAW_ALL)
1594     fade_mask = REDRAW_ALL;
1595
1596   if (CheckFadeAll())
1597     fade_mask = REDRAW_ALL;
1598
1599   FadeOut(fade_mask);
1600
1601   // needed if different viewport properties defined for menues
1602   ChangeViewportPropertiesIfNeeded();
1603
1604   SetDrawtoField(DRAW_TO_BACKBUFFER);
1605
1606   // level_nr may have been set to value over handicap with level editor
1607   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1608     level_nr = leveldir_current->handicap_level;
1609
1610   LoadLevel(level_nr);
1611   LoadScore(level_nr);
1612
1613   SaveLevelSetup_SeriesInfo();
1614
1615   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1616   SetDrawDeactivationMask(REDRAW_NONE);
1617   SetDrawBackgroundMask(REDRAW_FIELD);
1618
1619   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1620
1621 #if 0
1622   if (fade_mask == REDRAW_ALL)
1623     RedrawGlobalBorder();
1624 #endif
1625
1626   ClearField();
1627
1628   InitializeMainControls();
1629
1630   DrawCursorAndText_Main(-1, FALSE, FALSE);
1631   DrawPreviewLevelInitial();
1632   DrawNetworkPlayers();
1633
1634   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1635
1636   TapeStop();
1637   if (TAPE_IS_EMPTY(tape))
1638     LoadTape(level_nr);
1639   DrawCompleteVideoDisplay();
1640
1641   PlayMenuSoundsAndMusic();
1642
1643   // create gadgets for main menu screen
1644   FreeScreenGadgets();
1645   CreateScreenGadgets();
1646
1647   // may be required if audio buttons shown on tape and changed in setup menu
1648   FreeGameButtons();
1649   CreateGameButtons();
1650
1651   // map gadgets for main menu screen
1652   MapTapeButtons();
1653   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1654   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1655
1656   // copy actual game door content to door double buffer for OpenDoor()
1657   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1658   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1659
1660   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1661
1662   DrawMaskedBorder(fade_mask);
1663
1664   FadeIn(fade_mask);
1665   FadeSetEnterMenu();
1666
1667   // update screen area with special editor door
1668   redraw_mask |= REDRAW_ALL;
1669   BackToFront();
1670
1671   SetMouseCursor(CURSOR_DEFAULT);
1672
1673   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1674 }
1675
1676 static void gotoTopLevelDir(void)
1677 {
1678   // move upwards until inside (but not above) top level directory
1679   while (leveldir_current->node_parent &&
1680          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1681   {
1682     // write a "path" into level tree for easy navigation to last level
1683     if (leveldir_current->node_parent->node_group->cl_first == -1)
1684     {
1685       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1686       int leveldir_pos = posTreeInfo(leveldir_current);
1687       int num_page_entries;
1688       int cl_first, cl_cursor;
1689
1690       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1691         num_page_entries = num_leveldirs;
1692       else
1693         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1694
1695       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1696       cl_cursor = leveldir_pos - cl_first;
1697
1698       leveldir_current->node_parent->node_group->cl_first = cl_first;
1699       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1700     }
1701
1702     leveldir_current = leveldir_current->node_parent;
1703   }
1704 }
1705
1706 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1707 {
1708   static unsigned int title_delay = 0;
1709   static int title_screen_nr = 0;
1710   static int last_sound = -1, last_music = -1;
1711   boolean return_to_main_menu = FALSE;
1712   struct TitleControlInfo *tci;
1713   int sound, music;
1714
1715   if (button == MB_MENU_INITIALIZE)
1716   {
1717     title_delay = 0;
1718     title_screen_nr = 0;
1719     tci = &title_controls[title_screen_nr];
1720
1721     SetAnimStatus(getTitleAnimMode(tci));
1722
1723     last_sound = SND_UNDEFINED;
1724     last_music = MUS_UNDEFINED;
1725
1726     if (num_title_screens != 0)
1727     {
1728       FadeSetEnterScreen();
1729
1730       // use individual title fading instead of global "enter screen" fading
1731       fading = getTitleFading(tci);
1732     }
1733
1734     if (game_status_last_screen == GAME_MODE_INFO)
1735     {
1736       if (num_title_screens == 0)
1737       {
1738         // switch game mode from title screen mode back to info screen mode
1739         SetGameStatus(GAME_MODE_INFO);
1740
1741         // store that last screen was info screen, not main menu screen
1742         game_status_last_screen = GAME_MODE_INFO;
1743
1744         DrawInfoScreen_NotAvailable("Title screen information:",
1745                                     "No title screen for this level set.");
1746         return;
1747       }
1748
1749       FadeMenuSoundsAndMusic();
1750     }
1751
1752     FadeOut(REDRAW_ALL);
1753
1754     // title screens may have different window size
1755     ChangeViewportPropertiesIfNeeded();
1756
1757     // only required to update logic for redrawing global border
1758     ClearField();
1759
1760     if (tci->is_image)
1761       DrawTitleScreenImage(tci->local_nr, tci->initial);
1762     else
1763       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1764
1765     sound = getTitleSound(tci);
1766     music = getTitleMusic(tci);
1767
1768     if (sound != last_sound)
1769       PlayMenuSoundExt(sound);
1770     if (music != last_music)
1771       PlayMenuMusicExt(music);
1772
1773     last_sound = sound;
1774     last_music = music;
1775
1776     SetMouseCursor(CURSOR_NONE);
1777
1778     FadeIn(REDRAW_ALL);
1779
1780     DelayReached(&title_delay, 0);      // reset delay counter
1781
1782     return;
1783   }
1784
1785   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1786     button = MB_MENU_CHOICE;
1787
1788   if (button == MB_MENU_LEAVE)
1789   {
1790     return_to_main_menu = TRUE;
1791   }
1792   else if (button == MB_MENU_CHOICE)
1793   {
1794     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1795     {
1796       SetGameStatus(GAME_MODE_INFO);
1797
1798       info_mode = INFO_MODE_MAIN;
1799
1800       DrawInfoScreen();
1801
1802       return;
1803     }
1804
1805     title_screen_nr++;
1806
1807     if (title_screen_nr < num_title_screens)
1808     {
1809       tci = &title_controls[title_screen_nr];
1810
1811       SetAnimStatus(getTitleAnimMode(tci));
1812
1813       sound = getTitleSound(tci);
1814       music = getTitleMusic(tci);
1815
1816       if (last_sound != SND_UNDEFINED && sound != last_sound)
1817         FadeSound(last_sound);
1818       if (last_music != MUS_UNDEFINED && music != last_music)
1819         FadeMusic();
1820
1821       fading = getTitleFading(tci);
1822
1823       FadeOut(REDRAW_ALL);
1824
1825       if (tci->is_image)
1826         DrawTitleScreenImage(tci->local_nr, tci->initial);
1827       else
1828         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1829
1830       sound = getTitleSound(tci);
1831       music = getTitleMusic(tci);
1832
1833       if (sound != last_sound)
1834         PlayMenuSoundExt(sound);
1835       if (music != last_music)
1836         PlayMenuMusicExt(music);
1837
1838       last_sound = sound;
1839       last_music = music;
1840
1841       FadeIn(REDRAW_ALL);
1842
1843       DelayReached(&title_delay, 0);    // reset delay counter
1844     }
1845     else
1846     {
1847       FadeMenuSoundsAndMusic();
1848
1849       return_to_main_menu = TRUE;
1850     }
1851   }
1852
1853   if (return_to_main_menu)
1854   {
1855     SetMouseCursor(CURSOR_DEFAULT);
1856
1857     // force full menu screen redraw after displaying title screens
1858     redraw_mask = REDRAW_ALL;
1859
1860     if (game_status_last_screen == GAME_MODE_INFO)
1861     {
1862       SetGameStatus(GAME_MODE_INFO);
1863
1864       info_mode = INFO_MODE_MAIN;
1865
1866       DrawInfoScreen();
1867     }
1868     else        // default: return to main menu
1869     {
1870       SetGameStatus(GAME_MODE_MAIN);
1871
1872       DrawMainMenu();
1873     }
1874   }
1875 }
1876
1877 static void HandleMainMenu_SelectLevel(int step, int direction,
1878                                        int selected_level_nr)
1879 {
1880   int old_level_nr = level_nr;
1881   int new_level_nr;
1882
1883   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1884     new_level_nr = selected_level_nr;
1885   else
1886     new_level_nr = old_level_nr + step * direction;
1887
1888   if (new_level_nr < leveldir_current->first_level)
1889     new_level_nr = leveldir_current->first_level;
1890   if (new_level_nr > leveldir_current->last_level)
1891     new_level_nr = leveldir_current->last_level;
1892
1893   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1894   {
1895     // skipping levels is only allowed when trying to skip single level
1896     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1897         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1898     {
1899       leveldir_current->handicap_level++;
1900       SaveLevelSetup_SeriesInfo();
1901     }
1902
1903     new_level_nr = leveldir_current->handicap_level;
1904   }
1905
1906   if (new_level_nr != old_level_nr)
1907   {
1908     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1909
1910     PlaySound(SND_MENU_ITEM_SELECTING);
1911
1912     level_nr = new_level_nr;
1913
1914     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1915              int2str(level_nr, menu.main.text.level_number.size),
1916              mci->pos_text->font);
1917
1918     LoadLevel(level_nr);
1919     DrawPreviewLevelInitial();
1920
1921     TapeErase();
1922     LoadTape(level_nr);
1923     DrawCompleteVideoDisplay();
1924
1925     SaveLevelSetup_SeriesInfo();
1926
1927     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1928
1929     // needed because DrawPreviewLevelInitial() takes some time
1930     BackToFront();
1931     // SyncDisplay();
1932   }
1933 }
1934
1935 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1936 {
1937   static int choice = MAIN_CONTROL_GAME;
1938   static boolean button_pressed_last = FALSE;
1939   boolean button_pressed = FALSE;
1940   int pos = choice;
1941   int i;
1942
1943   if (button == MB_MENU_INITIALIZE)
1944   {
1945     DrawCursorAndText_Main(choice, TRUE, FALSE);
1946
1947     return;
1948   }
1949
1950   if (mx || my)         // mouse input
1951   {
1952     pos = -1;
1953
1954     for (i = 0; main_controls[i].nr != -1; i++)
1955     {
1956       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1957           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1958           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1959       {
1960         pos = main_controls[i].nr;
1961
1962         break;
1963       }
1964     }
1965
1966     // check if level preview was clicked
1967     if (insidePreviewRect(&preview, mx - SX, my - SY))
1968       pos = MAIN_CONTROL_GAME;
1969
1970     // handle pressed/unpressed state for active/inactive menu buttons
1971     // (if pos != -1, "i" contains index position corresponding to "pos")
1972     if (button &&
1973         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1974         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1975       button_pressed = TRUE;
1976
1977     if (button_pressed != button_pressed_last)
1978     {
1979       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1980
1981       if (button_pressed)
1982         PlaySound(SND_MENU_BUTTON_PRESSING);
1983       else
1984         PlaySound(SND_MENU_BUTTON_RELEASING);
1985     }
1986   }
1987   else if (dx || dy)    // keyboard input
1988   {
1989     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1990                    choice == MAIN_CONTROL_SETUP))
1991       button = MB_MENU_CHOICE;
1992     else if (dy)
1993       pos = choice + dy;
1994   }
1995
1996   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1997   {
1998     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1999   }
2000   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2001   {
2002     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2003   }
2004   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2005   {
2006     CloseDoor(DOOR_CLOSE_2);
2007
2008     SetGameStatus(GAME_MODE_LEVELNR);
2009
2010     DrawChooseLevelNr();
2011   }
2012   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2013   {
2014     if (button)
2015     {
2016       if (pos != choice)
2017       {
2018         PlaySound(SND_MENU_ITEM_ACTIVATING);
2019
2020         DrawCursorAndText_Main(choice, FALSE, FALSE);
2021         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2022
2023         choice = pos;
2024       }
2025       else if (dx != 0)
2026       {
2027         if (choice != MAIN_CONTROL_INFO &&
2028             choice != MAIN_CONTROL_SETUP)
2029           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2030       }
2031     }
2032     else
2033     {
2034       PlaySound(SND_MENU_ITEM_SELECTING);
2035
2036       if (pos == MAIN_CONTROL_NAME)
2037       {
2038         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2039
2040         HandleTypeName(strlen(setup.player_name), 0);
2041       }
2042       else if (pos == MAIN_CONTROL_LEVELS)
2043       {
2044         if (leveldir_first)
2045         {
2046           CloseDoor(DOOR_CLOSE_2);
2047
2048           SetGameStatus(GAME_MODE_LEVELS);
2049
2050           SaveLevelSetup_LastSeries();
2051           SaveLevelSetup_SeriesInfo();
2052
2053           if (setup.internal.choose_from_top_leveldir)
2054             gotoTopLevelDir();
2055
2056           DrawChooseLevelSet();
2057         }
2058       }
2059       else if (pos == MAIN_CONTROL_SCORES)
2060       {
2061         CloseDoor(DOOR_CLOSE_2);
2062
2063         SetGameStatus(GAME_MODE_SCORES);
2064
2065         DrawHallOfFame(level_nr, -1);
2066       }
2067       else if (pos == MAIN_CONTROL_EDITOR)
2068       {
2069         if (leveldir_current->readonly &&
2070             !strEqual(setup.player_name, "Artsoft"))
2071           Request("This level is read only!", REQ_CONFIRM);
2072
2073         CloseDoor(DOOR_CLOSE_2);
2074
2075         SetGameStatus(GAME_MODE_EDITOR);
2076
2077         FadeSetEnterScreen();
2078
2079         DrawLevelEd();
2080       }
2081       else if (pos == MAIN_CONTROL_INFO)
2082       {
2083         CloseDoor(DOOR_CLOSE_2);
2084
2085         SetGameStatus(GAME_MODE_INFO);
2086
2087         info_mode = INFO_MODE_MAIN;
2088
2089         DrawInfoScreen();
2090       }
2091       else if (pos == MAIN_CONTROL_GAME)
2092       {
2093         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2094       }
2095       else if (pos == MAIN_CONTROL_SETUP)
2096       {
2097         CloseDoor(DOOR_CLOSE_2);
2098
2099         SetGameStatus(GAME_MODE_SETUP);
2100
2101         setup_mode = SETUP_MODE_MAIN;
2102
2103         DrawSetupScreen();
2104       }
2105       else if (pos == MAIN_CONTROL_QUIT)
2106       {
2107         SaveLevelSetup_LastSeries();
2108         SaveLevelSetup_SeriesInfo();
2109
2110         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2111           SetGameStatus(GAME_MODE_QUIT);
2112       }
2113     }
2114   }
2115
2116   button_pressed_last = button_pressed;
2117 }
2118
2119
2120 // ============================================================================
2121 // info screen functions
2122 // ============================================================================
2123
2124 static struct TokenInfo *info_info;
2125 static int num_info_info;       // number of info entries shown on screen
2126 static int max_info_info;       // total number of info entries in list
2127
2128 static void execInfoTitleScreen(void)
2129 {
2130   info_mode = INFO_MODE_TITLE;
2131
2132   DrawInfoScreen();
2133 }
2134
2135 static void execInfoElements(void)
2136 {
2137   info_mode = INFO_MODE_ELEMENTS;
2138
2139   DrawInfoScreen();
2140 }
2141
2142 static void execInfoMusic(void)
2143 {
2144   info_mode = INFO_MODE_MUSIC;
2145
2146   DrawInfoScreen();
2147 }
2148
2149 static void execInfoCredits(void)
2150 {
2151   info_mode = INFO_MODE_CREDITS;
2152
2153   DrawInfoScreen();
2154 }
2155
2156 static void execInfoProgram(void)
2157 {
2158   info_mode = INFO_MODE_PROGRAM;
2159
2160   DrawInfoScreen();
2161 }
2162
2163 static void execInfoVersion(void)
2164 {
2165   info_mode = INFO_MODE_VERSION;
2166
2167   DrawInfoScreen();
2168 }
2169
2170 static void execInfoLevelSet(void)
2171 {
2172   info_mode = INFO_MODE_LEVELSET;
2173
2174   DrawInfoScreen();
2175 }
2176
2177 static void execExitInfo(void)
2178 {
2179   SetGameStatus(GAME_MODE_MAIN);
2180
2181   DrawMainMenu();
2182 }
2183
2184 static struct TokenInfo info_info_main[] =
2185 {
2186   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2187   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2188   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2189   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2190   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2191   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2192   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2193   { TYPE_EMPTY,         NULL,                   ""                      },
2194   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2195
2196   { 0,                  NULL,                   NULL                    }
2197 };
2198
2199 static int getMenuTextFont(int type)
2200 {
2201   if (type & (TYPE_SWITCH       |
2202               TYPE_YES_NO       |
2203               TYPE_YES_NO_AUTO  |
2204               TYPE_STRING       |
2205               TYPE_PLAYER       |
2206               TYPE_ECS_AGA      |
2207               TYPE_KEYTEXT      |
2208               TYPE_ENTER_LIST   |
2209               TYPE_TEXT_INPUT))
2210     return FONT_MENU_2;
2211   else
2212     return FONT_MENU_1;
2213 }
2214
2215 static struct TokenInfo *setup_info;
2216 static struct TokenInfo setup_info_input[];
2217
2218 static struct TokenInfo *menu_info;
2219
2220 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2221                                        int screen_pos, int menu_info_pos_raw,
2222                                        boolean active)
2223 {
2224   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2225   struct TokenInfo *ti = &token_info[pos];
2226   int xpos = MENU_SCREEN_START_XPOS;
2227   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2228   int font_nr = getMenuTextFont(ti->type);
2229
2230   if (setup_mode == SETUP_MODE_INPUT)
2231     font_nr = FONT_MENU_1;
2232
2233   if (active)
2234     font_nr = FONT_ACTIVE(font_nr);
2235
2236   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2237
2238   if (ti->type & ~TYPE_SKIP_ENTRY)
2239     drawCursor(screen_pos, active);
2240 }
2241
2242 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2243                                    boolean active)
2244 {
2245   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2246 }
2247
2248 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2249                                     boolean active)
2250 {
2251   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2252 }
2253
2254 static char *window_size_text;
2255 static char *scaling_type_text;
2256 static char *network_server_text;
2257
2258 static void drawSetupValue(int, int);
2259
2260 static void drawMenuInfoList(int first_entry, int num_page_entries,
2261                              int max_page_entries)
2262 {
2263   int i;
2264
2265   if (first_entry + num_page_entries > max_page_entries)
2266     first_entry = 0;
2267
2268   clearMenuListArea();
2269
2270   for (i = 0; i < num_page_entries; i++)
2271   {
2272     int menu_info_pos = first_entry + i;
2273     struct TokenInfo *si = &menu_info[menu_info_pos];
2274     void *value_ptr = si->value;
2275
2276     // set some entries to "unchangeable" according to other variables
2277     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2278         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2279         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2280         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2281         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2282         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2283       si->type |= TYPE_GHOSTED;
2284
2285     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2286       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2287     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2288       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2289     else if (si->type & ~TYPE_SKIP_ENTRY)
2290       initCursor(i, IMG_MENU_BUTTON);
2291
2292     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2293
2294     if (si->type & TYPE_STRING)
2295     {
2296       int gadget_id = -1;
2297
2298       if (value_ptr == &network_server_text)
2299         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2300
2301       if (gadget_id != -1)
2302       {
2303         struct GadgetInfo *gi = screen_gadget[gadget_id];
2304         int xpos = MENU_SCREEN_START_XPOS;
2305         int ypos = MENU_SCREEN_START_YPOS + i;
2306         int x = mSX + xpos * 32;
2307         int y = mSY + ypos * 32;
2308
2309         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2310       }
2311     }
2312
2313     if (si->type & TYPE_VALUE &&
2314         menu_info == setup_info)
2315       drawSetupValue(i, menu_info_pos);
2316   }
2317 }
2318
2319 static void DrawInfoScreen_Main(void)
2320 {
2321   int fade_mask = REDRAW_FIELD;
2322   int i;
2323
2324   if (redraw_mask & REDRAW_ALL)
2325     fade_mask = REDRAW_ALL;
2326
2327   if (CheckFadeAll())
2328     fade_mask = REDRAW_ALL;
2329
2330   UnmapAllGadgets();
2331   FadeMenuSoundsAndMusic();
2332
2333   FreeScreenGadgets();
2334   CreateScreenGadgets();
2335
2336   // (needed after displaying title screens which disable auto repeat)
2337   KeyboardAutoRepeatOn();
2338
2339   FadeSetLeaveScreen();
2340
2341   FadeOut(fade_mask);
2342
2343   // needed if different viewport properties defined for info screen
2344   ChangeViewportPropertiesIfNeeded();
2345
2346   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2347
2348   ClearField();
2349
2350   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2351
2352   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2353
2354   info_info = info_info_main;
2355
2356   // determine maximal number of info entries that can be displayed on screen
2357   num_info_info = 0;
2358   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2359     num_info_info++;
2360
2361   // determine maximal number of info entries available for menu of info screen
2362   max_info_info = 0;
2363   for (i = 0; info_info[i].type != 0; i++)
2364     max_info_info++;
2365
2366   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2367
2368   MapScreenGadgets(max_info_info);
2369
2370   PlayMenuSoundsAndMusic();
2371
2372   DrawMaskedBorder(fade_mask);
2373
2374   FadeIn(fade_mask);
2375 }
2376
2377 static void changeSetupValue(int, int, int);
2378
2379 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2380                              int mode, int num_page_entries,
2381                              int max_page_entries)
2382 {
2383   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2384   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2385   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2386   int *num_page_entries_last = num_page_entries_all_last[game_status];
2387   int *choice_store = choice_stores[game_status];
2388   int *first_entry_store = first_entry_stores[game_status];
2389   int choice = choice_store[mode];              // starts with 0
2390   int first_entry = first_entry_store[mode];    // starts with 0
2391   int x = 0;
2392   int y = choice - first_entry;
2393   int y_old = y;
2394   boolean position_set_by_scrollbar = (dx == 999);
2395   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2396   int i;
2397
2398   if (button == MB_MENU_INITIALIZE)
2399   {
2400     // check if number of menu page entries has changed (may happen by change
2401     // of custom artwork definition value for 'list_size' for this menu screen)
2402     // (in this case, the last menu position most probably has to be corrected)
2403     if (num_page_entries != num_page_entries_last[mode])
2404     {
2405       choice_store[mode] = first_entry_store[mode] = 0;
2406
2407       choice = first_entry = 0;
2408       y = y_old = 0;
2409
2410       num_page_entries_last[mode] = num_page_entries;
2411     }
2412
2413     // advance to first valid menu entry
2414     while (choice < num_page_entries &&
2415            menu_info[choice].type & TYPE_SKIP_ENTRY)
2416       choice++;
2417
2418     if (position_set_by_scrollbar)
2419       first_entry = first_entry_store[mode] = dy;
2420     else
2421       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2422                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2423
2424     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2425
2426     if (choice < first_entry)
2427     {
2428       choice = first_entry;
2429
2430       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2431         choice++;
2432     }
2433     else if (choice > first_entry + num_page_entries - 1)
2434     {
2435       choice = first_entry + num_page_entries - 1;
2436
2437       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2438         choice--;
2439     }
2440
2441     choice_store[mode] = choice;
2442
2443     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2444
2445     return;
2446   }
2447   else if (button == MB_MENU_LEAVE)
2448   {
2449     PlaySound(SND_MENU_ITEM_SELECTING);
2450
2451     for (i = 0; i < max_page_entries; i++)
2452     {
2453       if (menu_info[i].type & TYPE_LEAVE_MENU)
2454       {
2455         void (*menu_callback_function)(void) = menu_info[i].value;
2456
2457         FadeSetLeaveMenu();
2458
2459         menu_callback_function();
2460
2461         break;  // absolutely needed because function changes 'menu_info'!
2462       }
2463     }
2464
2465     return;
2466   }
2467
2468   if (mx || my)         // mouse input
2469   {
2470     x = (mx - mSX) / 32;
2471     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2472   }
2473   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2474   {
2475     // move cursor instead of scrolling when already at start/end of list
2476     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2477       dy = -1;
2478     else if (dy == +1 * SCROLL_LINE &&
2479              first_entry + num_page_entries == max_page_entries)
2480       dy = 1;
2481
2482     // handle scrolling screen one line or page
2483     if (y + dy < 0 ||
2484         y + dy > num_page_entries - 1)
2485     {
2486       boolean redraw = FALSE;
2487
2488       if (ABS(dy) == SCROLL_PAGE)
2489         step = num_page_entries - 1;
2490
2491       if (dy < 0 && first_entry > 0)
2492       {
2493         // scroll page/line up
2494
2495         first_entry -= step;
2496         if (first_entry < 0)
2497           first_entry = 0;
2498
2499         redraw = TRUE;
2500       }
2501       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2502       {
2503         // scroll page/line down
2504
2505         first_entry += step;
2506         if (first_entry + num_page_entries > max_page_entries)
2507           first_entry = MAX(0, max_page_entries - num_page_entries);
2508
2509         redraw = TRUE;
2510       }
2511
2512       if (redraw)
2513       {
2514         choice += first_entry - first_entry_store[mode];
2515
2516         if (choice < first_entry)
2517         {
2518           choice = first_entry;
2519
2520           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2521             choice++;
2522         }
2523         else if (choice > first_entry + num_page_entries - 1)
2524         {
2525           choice = first_entry + num_page_entries - 1;
2526
2527           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2528             choice--;
2529         }
2530         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2531         {
2532           choice += SIGN(dy);
2533
2534           if (choice < first_entry ||
2535               choice > first_entry + num_page_entries - 1)
2536           first_entry += SIGN(dy);
2537         }
2538
2539         first_entry_store[mode] = first_entry;
2540         choice_store[mode] = choice;
2541
2542         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2543
2544         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2545
2546         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2547                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2548       }
2549
2550       return;
2551     }
2552
2553     if (dx)
2554     {
2555       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2556
2557       if (menu_info[choice].type & menu_navigation_type ||
2558           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2559           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2560           menu_info[choice].type & TYPE_PLAYER)
2561         button = MB_MENU_CHOICE;
2562     }
2563     else if (dy)
2564       y += dy;
2565
2566     // jump to next non-empty menu entry (up or down)
2567     while (first_entry + y > 0 &&
2568            first_entry + y < max_page_entries - 1 &&
2569            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2570       y += dy;
2571
2572     if (!IN_VIS_MENU(x, y))
2573     {
2574       choice += y - y_old;
2575
2576       if (choice < first_entry)
2577         first_entry = choice;
2578       else if (choice > first_entry + num_page_entries - 1)
2579         first_entry = choice - num_page_entries + 1;
2580
2581       if (first_entry >= 0 &&
2582           first_entry + num_page_entries <= max_page_entries)
2583       {
2584         first_entry_store[mode] = first_entry;
2585
2586         if (choice < first_entry)
2587           choice = first_entry;
2588         else if (choice > first_entry + num_page_entries - 1)
2589           choice = first_entry + num_page_entries - 1;
2590
2591         choice_store[mode] = choice;
2592
2593         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2594
2595         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2596
2597         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2598                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2599       }
2600
2601       return;
2602     }
2603   }
2604
2605   if (!anyScrollbarGadgetActive() &&
2606       IN_VIS_MENU(x, y) &&
2607       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2608       y >= 0 && y < num_page_entries)
2609   {
2610     if (button)
2611     {
2612       if (first_entry + y != choice &&
2613           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2614       {
2615         PlaySound(SND_MENU_ITEM_ACTIVATING);
2616
2617         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2618         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2619
2620         choice = choice_store[mode] = first_entry + y;
2621       }
2622       else if (dx < 0)
2623       {
2624         PlaySound(SND_MENU_ITEM_SELECTING);
2625
2626         for (i = 0; menu_info[i].type != 0; i++)
2627         {
2628           if (menu_info[i].type & TYPE_LEAVE_MENU)
2629           {
2630             void (*menu_callback_function)(void) = menu_info[i].value;
2631
2632             FadeSetLeaveMenu();
2633
2634             menu_callback_function();
2635
2636             // absolutely needed because function changes 'menu_info'!
2637             break;
2638           }
2639         }
2640
2641         return;
2642       }
2643     }
2644     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2645     {
2646       PlaySound(SND_MENU_ITEM_SELECTING);
2647
2648       // when selecting key headline, execute function for key value change
2649       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2650           menu_info[first_entry + y + 1].type & TYPE_KEY)
2651         y++;
2652
2653       // when selecting string value, execute function for list selection
2654       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2655           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2656         y--;
2657
2658       // when selecting string value, execute function for text input gadget
2659       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2660           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2661         y--;
2662
2663       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2664       {
2665         void (*menu_callback_function)(void) =
2666           menu_info[first_entry + y].value;
2667
2668         FadeSetFromType(menu_info[first_entry + y].type);
2669
2670         menu_callback_function();
2671       }
2672       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2673       {
2674         void (*gadget_callback_function)(void) =
2675           menu_info[first_entry + y].value;
2676
2677         gadget_callback_function();
2678       }
2679       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2680                menu_info == setup_info)
2681       {
2682         changeSetupValue(y, first_entry + y, dx);
2683       }
2684     }
2685   }
2686 }
2687
2688 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2689 {
2690   menu_info = info_info;
2691
2692   HandleMenuScreen(mx, my, dx, dy, button,
2693                    info_mode, num_info_info, max_info_info);
2694 }
2695
2696 static int getMenuFontSpacing(int spacing_height, int font_nr)
2697 {
2698   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2699
2700   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2701           spacing_height);
2702 }
2703
2704 static int getMenuTextSpacing(int spacing_height, int font_nr)
2705 {
2706   return (getMenuFontSpacing(spacing_height, font_nr) +
2707           EXTRA_SPACING(game_status));
2708 }
2709
2710 static int getMenuTextStep(int spacing_height, int font_nr)
2711 {
2712   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2713 }
2714
2715 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2716 {
2717   int font_title = MENU_INFO_FONT_TITLE;
2718   int font_error = FONT_TEXT_2;
2719   int font_foot  = MENU_INFO_FONT_FOOT;
2720   int spacing_title = menu.headline1_spacing_info[info_mode];
2721   int ystep_title = getMenuTextStep(spacing_title, font_title);
2722   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2723   int ystart2 = ystart1 + ystep_title;
2724   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2725
2726   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2727
2728   FadeOut(REDRAW_FIELD);
2729
2730   ClearField();
2731   DrawHeadline();
2732
2733   DrawTextSCentered(ystart1, font_title, text_title);
2734   DrawTextSCentered(ystart2, font_error, text_error);
2735
2736   DrawTextSCentered(ybottom, font_foot,
2737                     "Press any key or button for info menu");
2738
2739   FadeIn(REDRAW_FIELD);
2740 }
2741
2742 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2743 {
2744   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2745   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2746   int font_title = MENU_INFO_FONT_TITLE;
2747   int font_foot  = MENU_INFO_FONT_FOOT;
2748   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2749   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2750   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2751   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2752   int ystep = MENU_SCREEN_INFO_YSTEP;
2753   int element, action, direction;
2754   int graphic;
2755   int delay;
2756   int sync_frame;
2757   int i, j;
2758
2759   if (init)
2760   {
2761     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2762       infoscreen_step[i] = infoscreen_frame[i] = 0;
2763
2764     ClearField();
2765     DrawHeadline();
2766
2767     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2768
2769     DrawTextSCentered(ybottom, font_foot,
2770                       "Press any key or button for next page");
2771
2772     FrameCounter = 0;
2773   }
2774
2775   i = j = 0;
2776   while (helpanim_info[j].element != HELPANIM_LIST_END)
2777   {
2778     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2779         i >= max_anims)
2780       break;
2781     else if (i < start)
2782     {
2783       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2784         j++;
2785
2786       j++;
2787       i++;
2788
2789       continue;
2790     }
2791
2792     j += infoscreen_step[i - start];
2793
2794     element = helpanim_info[j].element;
2795     action = helpanim_info[j].action;
2796     direction = helpanim_info[j].direction;
2797
2798     if (element < 0)
2799       element = EL_UNKNOWN;
2800
2801     if (action != -1 && direction != -1)
2802       graphic = el_act_dir2img(element, action, direction);
2803     else if (action != -1)
2804       graphic = el_act2img(element, action);
2805     else if (direction != -1)
2806       graphic = el_dir2img(element, direction);
2807     else
2808       graphic = el2img(element);
2809
2810     delay = helpanim_info[j++].delay;
2811
2812     if (delay == -1)
2813       delay = 1000000;
2814
2815     if (infoscreen_frame[i - start] == 0)
2816     {
2817       sync_frame = 0;
2818       infoscreen_frame[i - start] = delay - 1;
2819     }
2820     else
2821     {
2822       sync_frame = delay - infoscreen_frame[i - start];
2823       infoscreen_frame[i - start]--;
2824     }
2825
2826     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2827     {
2828       if (!infoscreen_frame[i - start])
2829         infoscreen_step[i - start] = 0;
2830     }
2831     else
2832     {
2833       if (!infoscreen_frame[i - start])
2834         infoscreen_step[i - start]++;
2835       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2836         j++;
2837     }
2838
2839     j++;
2840
2841     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2842                                TILEX, TILEY);
2843     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2844                                  graphic, sync_frame, USE_MASKING);
2845
2846     if (init)
2847       DrawInfoScreen_HelpText(element, action, direction, i - start);
2848
2849     i++;
2850   }
2851
2852   redraw_mask |= REDRAW_FIELD;
2853
2854   FrameCounter++;
2855 }
2856
2857 static char *getHelpText(int element, int action, int direction)
2858 {
2859   char token[MAX_LINE_LEN];
2860
2861   strcpy(token, element_info[element].token_name);
2862
2863   if (action != -1)
2864     strcat(token, element_action_info[action].suffix);
2865
2866   if (direction != -1)
2867     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2868
2869   return getHashEntry(helptext_info, token);
2870 }
2871
2872 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2873 {
2874   int font_nr = FONT_INFO_ELEMENTS;
2875   int font_width = getFontWidth(font_nr);
2876   int font_height = getFontHeight(font_nr);
2877   int yoffset = (TILEX - 2 * font_height) / 2;
2878   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2879   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2880   int ystep = TILEY + 4;
2881   int pad_left = xstart - SX;
2882   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2883   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2884   int max_lines_per_text = 2;
2885   char *text = NULL;
2886
2887   if (action != -1 && direction != -1)          // element.action.direction
2888     text = getHelpText(element, action, direction);
2889
2890   if (text == NULL && action != -1)             // element.action
2891     text = getHelpText(element, action, -1);
2892
2893   if (text == NULL && direction != -1)          // element.direction
2894     text = getHelpText(element, -1, direction);
2895
2896   if (text == NULL)                             // base element
2897     text = getHelpText(element, -1, -1);
2898
2899   if (text == NULL)                             // not found
2900     text = "No description available";
2901
2902   if (strlen(text) <= max_chars_per_line)       // only one line of text
2903     ystart += getFontHeight(font_nr) / 2;
2904
2905   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2906                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2907                  TRUE, FALSE, FALSE);
2908 }
2909
2910 static void DrawInfoScreen_TitleScreen(void)
2911 {
2912   SetGameStatus(GAME_MODE_TITLE);
2913
2914   DrawTitleScreen();
2915 }
2916
2917 void HandleInfoScreen_TitleScreen(int button)
2918 {
2919   HandleTitleScreen(0, 0, 0, 0, button);
2920 }
2921
2922 static void DrawInfoScreen_Elements(void)
2923 {
2924   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2925
2926   FadeOut(REDRAW_FIELD);
2927
2928   LoadHelpAnimInfo();
2929   LoadHelpTextInfo();
2930
2931   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2932
2933   FadeIn(REDRAW_FIELD);
2934 }
2935
2936 void HandleInfoScreen_Elements(int button)
2937 {
2938   static unsigned int info_delay = 0;
2939   static int num_anims;
2940   static int num_pages;
2941   static int page;
2942   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2943   int i;
2944
2945   if (button == MB_MENU_INITIALIZE)
2946   {
2947     boolean new_element = TRUE;
2948
2949     num_anims = 0;
2950
2951     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2952     {
2953       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2954         new_element = TRUE;
2955       else if (new_element)
2956       {
2957         num_anims++;
2958         new_element = FALSE;
2959       }
2960     }
2961
2962     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2963     page = 0;
2964   }
2965
2966   if (button == MB_MENU_LEAVE)
2967   {
2968     PlaySound(SND_MENU_ITEM_SELECTING);
2969
2970     info_mode = INFO_MODE_MAIN;
2971     DrawInfoScreen();
2972
2973     return;
2974   }
2975   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2976   {
2977     if (button != MB_MENU_INITIALIZE)
2978     {
2979       PlaySound(SND_MENU_ITEM_SELECTING);
2980
2981       page++;
2982     }
2983
2984     if (page >= num_pages)
2985     {
2986       FadeMenuSoundsAndMusic();
2987
2988       info_mode = INFO_MODE_MAIN;
2989       DrawInfoScreen();
2990
2991       return;
2992     }
2993
2994     if (page > 0)
2995       FadeSetNextScreen();
2996
2997     if (button != MB_MENU_INITIALIZE)
2998       FadeOut(REDRAW_FIELD);
2999
3000     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3001
3002     if (button != MB_MENU_INITIALIZE)
3003       FadeIn(REDRAW_FIELD);
3004   }
3005   else
3006   {
3007     if (DelayReached(&info_delay, GameFrameDelay))
3008       if (page < num_pages)
3009         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3010
3011     PlayMenuSoundIfLoop();
3012   }
3013 }
3014
3015 static void DrawInfoScreen_Music(void)
3016 {
3017   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3018
3019   FadeOut(REDRAW_FIELD);
3020
3021   ClearField();
3022   DrawHeadline();
3023
3024   LoadMusicInfo();
3025
3026   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3027
3028   FadeIn(REDRAW_FIELD);
3029 }
3030
3031 void HandleInfoScreen_Music(int button)
3032 {
3033   static struct MusicFileInfo *list = NULL;
3034   int font_title = MENU_INFO_FONT_TITLE;
3035   int font_head  = MENU_INFO_FONT_HEAD;
3036   int font_text  = MENU_INFO_FONT_TEXT;
3037   int font_foot  = MENU_INFO_FONT_FOOT;
3038   int spacing_title = menu.headline1_spacing_info[info_mode];
3039   int spacing_head  = menu.headline2_spacing_info[info_mode];
3040   int ystep_title = getMenuTextStep(spacing_title, font_title);
3041   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3042   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3043   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3044
3045   if (button == MB_MENU_INITIALIZE)
3046   {
3047     list = music_file_info;
3048
3049     if (list == NULL)
3050     {
3051       FadeMenuSoundsAndMusic();
3052
3053       ClearField();
3054       DrawHeadline();
3055
3056       DrawTextSCentered(ystart, font_title,
3057                         "No music info for this level set.");
3058
3059       DrawTextSCentered(ybottom, font_foot,
3060                         "Press any key or button for info menu");
3061
3062       return;
3063     }
3064   }
3065
3066   if (button == MB_MENU_LEAVE)
3067   {
3068     PlaySound(SND_MENU_ITEM_SELECTING);
3069
3070     FadeMenuSoundsAndMusic();
3071
3072     info_mode = INFO_MODE_MAIN;
3073     DrawInfoScreen();
3074
3075     return;
3076   }
3077   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3078   {
3079     if (button != MB_MENU_INITIALIZE)
3080     {
3081       PlaySound(SND_MENU_ITEM_SELECTING);
3082
3083       if (list != NULL)
3084         list = list->next;
3085     }
3086
3087     if (list == NULL)
3088     {
3089       FadeMenuSoundsAndMusic();
3090
3091       info_mode = INFO_MODE_MAIN;
3092       DrawInfoScreen();
3093
3094       return;
3095     }
3096
3097     FadeMenuSoundsAndMusic();
3098
3099     if (list != music_file_info)
3100       FadeSetNextScreen();
3101
3102     if (button != MB_MENU_INITIALIZE)
3103       FadeOut(REDRAW_FIELD);
3104
3105     ClearField();
3106     DrawHeadline();
3107
3108     if (list->is_sound)
3109     {
3110       int sound = list->music;
3111
3112       if (sound_info[sound].loop)
3113         PlaySoundLoop(sound);
3114       else
3115         PlaySound(sound);
3116
3117       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3118     }
3119     else
3120     {
3121       int music = list->music;
3122
3123       if (music_info[music].loop)
3124         PlayMusicLoop(music);
3125       else
3126         PlayMusic(music);
3127
3128       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3129     }
3130
3131     ystart += ystep_title;
3132
3133     if (!strEqual(list->title, UNKNOWN_NAME))
3134     {
3135       if (!strEqual(list->title_header, UNKNOWN_NAME))
3136       {
3137         DrawTextSCentered(ystart, font_head, list->title_header);
3138         ystart += ystep_head;
3139       }
3140
3141       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3142       ystart += ystep_head;
3143     }
3144
3145     if (!strEqual(list->artist, UNKNOWN_NAME))
3146     {
3147       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3148         DrawTextSCentered(ystart, font_head, list->artist_header);
3149       else
3150         DrawTextSCentered(ystart, font_head, "by");
3151
3152       ystart += ystep_head;
3153
3154       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3155       ystart += ystep_head;
3156     }
3157
3158     if (!strEqual(list->album, UNKNOWN_NAME))
3159     {
3160       if (!strEqual(list->album_header, UNKNOWN_NAME))
3161         DrawTextSCentered(ystart, font_head, list->album_header);
3162       else
3163         DrawTextSCentered(ystart, font_head, "from the album");
3164
3165       ystart += ystep_head;
3166
3167       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3168       ystart += ystep_head;
3169     }
3170
3171     if (!strEqual(list->year, UNKNOWN_NAME))
3172     {
3173       if (!strEqual(list->year_header, UNKNOWN_NAME))
3174         DrawTextSCentered(ystart, font_head, list->year_header);
3175       else
3176         DrawTextSCentered(ystart, font_head, "from the year");
3177
3178       ystart += ystep_head;
3179
3180       DrawTextFCentered(ystart, font_text, "%s", list->year);
3181       ystart += ystep_head;
3182     }
3183
3184     DrawTextSCentered(ybottom, FONT_TEXT_4,
3185                       "Press any key or button for next page");
3186
3187     if (button != MB_MENU_INITIALIZE)
3188       FadeIn(REDRAW_FIELD);
3189   }
3190
3191   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3192     PlaySoundLoop(list->music);
3193 }
3194
3195 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3196 {
3197   int font_title = MENU_INFO_FONT_TITLE;
3198   int font_head  = MENU_INFO_FONT_HEAD;
3199   int font_text  = MENU_INFO_FONT_TEXT;
3200   int font_foot  = MENU_INFO_FONT_FOOT;
3201   int spacing_title = menu.headline1_spacing_info[info_mode];
3202   int spacing_head  = menu.headline2_spacing_info[info_mode];
3203   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3204   int spacing_line  = menu.line_spacing_info[info_mode];
3205   int ystep_title = getMenuTextStep(spacing_title, font_title);
3206   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3207   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3208   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3209   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3210   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3211
3212   ClearField();
3213   DrawHeadline();
3214
3215   DrawTextSCentered(ystart, font_title, "Credits:");
3216   ystart += ystep_title;
3217
3218   if (screen_nr == 0)
3219   {
3220     DrawTextSCentered(ystart, font_head,
3221                       "Special thanks to");
3222     ystart += ystep_head;
3223     DrawTextSCentered(ystart, font_text,
3224                       "Peter Liepa");
3225     ystart += ystep_head;
3226     DrawTextSCentered(ystart, font_head,
3227                       "for creating");
3228     ystart += ystep_head;
3229     DrawTextSCentered(ystart, font_text,
3230                       "\"Boulder Dash\"");
3231     ystart += ystep_head;
3232     DrawTextSCentered(ystart, font_head,
3233                       "in the year");
3234     ystart += ystep_head;
3235     DrawTextSCentered(ystart, font_text,
3236                       "1984");
3237     ystart += ystep_head;
3238     DrawTextSCentered(ystart, font_head,
3239                       "published by");
3240     ystart += ystep_head;
3241     DrawTextSCentered(ystart, font_text,
3242                       "First Star Software");
3243   }
3244   else if (screen_nr == 1)
3245   {
3246     DrawTextSCentered(ystart, font_head,
3247                       "Special thanks to");
3248     ystart += ystep_head;
3249     DrawTextSCentered(ystart, font_text,
3250                       "Klaus Heinz & Volker Wertich");
3251     ystart += ystep_head;
3252     DrawTextSCentered(ystart, font_head,
3253                       "for creating");
3254     ystart += ystep_head;
3255     DrawTextSCentered(ystart, font_text,
3256                       "\"Emerald Mine\"");
3257     ystart += ystep_head;
3258     DrawTextSCentered(ystart, font_head,
3259                       "in the year");
3260     ystart += ystep_head;
3261     DrawTextSCentered(ystart, font_text,
3262                       "1987");
3263     ystart += ystep_head;
3264     DrawTextSCentered(ystart, font_head,
3265                       "published by");
3266     ystart += ystep_head;
3267     DrawTextSCentered(ystart, font_text,
3268                       "Kingsoft");
3269   }
3270   else if (screen_nr == 2)
3271   {
3272     DrawTextSCentered(ystart, font_head,
3273                       "Special thanks to");
3274     ystart += ystep_head;
3275     DrawTextSCentered(ystart, font_text,
3276                       "Michael Stopp & Philip Jespersen");
3277     ystart += ystep_head;
3278     DrawTextSCentered(ystart, font_head,
3279                       "for creating");
3280     ystart += ystep_head;
3281     DrawTextSCentered(ystart, font_text,
3282                       "\"Supaplex\"");
3283     ystart += ystep_head;
3284     DrawTextSCentered(ystart, font_head,
3285                       "in the year");
3286     ystart += ystep_head;
3287     DrawTextSCentered(ystart, font_text,
3288                       "1991");
3289     ystart += ystep_head;
3290     DrawTextSCentered(ystart, font_head,
3291                       "published by");
3292     ystart += ystep_head;
3293     DrawTextSCentered(ystart, font_text,
3294                       "Digital Integration");
3295   }
3296   else if (screen_nr == 3)
3297   {
3298     DrawTextSCentered(ystart, font_head,
3299                       "Special thanks to");
3300     ystart += ystep_head;
3301     DrawTextSCentered(ystart, font_text,
3302                       "Hiroyuki Imabayashi");
3303     ystart += ystep_head;
3304     DrawTextSCentered(ystart, font_head,
3305                       "for creating");
3306     ystart += ystep_head;
3307     DrawTextSCentered(ystart, font_text,
3308                       "\"Sokoban\"");
3309     ystart += ystep_head;
3310     DrawTextSCentered(ystart, font_head,
3311                       "in the year");
3312     ystart += ystep_head;
3313     DrawTextSCentered(ystart, font_text,
3314                       "1982");
3315     ystart += ystep_head;
3316     DrawTextSCentered(ystart, font_head,
3317                       "published by");
3318     ystart += ystep_head;
3319     DrawTextSCentered(ystart, font_text,
3320                       "Thinking Rabbit");
3321   }
3322   else if (screen_nr == 4)
3323   {
3324     DrawTextSCentered(ystart, font_head,
3325                       "Special thanks to");
3326     ystart += ystep_head;
3327     DrawTextSCentered(ystart, font_text,
3328                       "Alan Bond");
3329     ystart += ystep_head;
3330     DrawTextSCentered(ystart, font_head,
3331                       "and");
3332     ystart += ystep_head;
3333     DrawTextSCentered(ystart, font_text,
3334                       "J\xfcrgen Bonhagen");
3335     ystart += ystep_head;
3336     DrawTextSCentered(ystart, font_head,
3337                       "for the continuous creation");
3338     ystart += ystep_line;
3339     DrawTextSCentered(ystart, font_head,
3340                       "of outstanding level sets");
3341   }
3342   else if (screen_nr == 5)
3343   {
3344     DrawTextSCentered(ystart, font_head,
3345                       "Thanks to");
3346     ystart += ystep_head;
3347     DrawTextSCentered(ystart, font_text,
3348                       "Peter Elzner");
3349     ystart += ystep_head;
3350     DrawTextSCentered(ystart, font_head,
3351                       "for ideas and inspiration by");
3352     ystart += ystep_head;
3353     DrawTextSCentered(ystart, font_text,
3354                       "Diamond Caves");
3355     ystart += ystep_para;
3356
3357     DrawTextSCentered(ystart, font_head,
3358                       "Thanks to");
3359     ystart += ystep_head;
3360     DrawTextSCentered(ystart, font_text,
3361                       "Steffest");
3362     ystart += ystep_head;
3363     DrawTextSCentered(ystart, font_head,
3364                       "for ideas and inspiration by");
3365     ystart += ystep_head;
3366     DrawTextSCentered(ystart, font_text,
3367                       "DX-Boulderdash");
3368   }
3369   else if (screen_nr == 6)
3370   {
3371     DrawTextSCentered(ystart, font_head,
3372                       "Thanks to");
3373     ystart += ystep_head;
3374     DrawTextSCentered(ystart, font_text,
3375                       "David Tritscher");
3376     ystart += ystep_head;
3377     DrawTextSCentered(ystart, font_head,
3378                       "for the code base used for the");
3379     ystart += ystep_line;
3380     DrawTextSCentered(ystart, font_head,
3381                       "native Emerald Mine engine");
3382   }
3383   else if (screen_nr == 7)
3384   {
3385     DrawTextSCentered(ystart, font_head,
3386                       "Thanks to");
3387     ystart += ystep_head;
3388     DrawTextSCentered(ystart, font_text,
3389                       "Guido Schulz");
3390     ystart += ystep_head;
3391     DrawTextSCentered(ystart, font_head,
3392                       "for the initial DOS port");
3393     ystart += ystep_para;
3394
3395     DrawTextSCentered(ystart, font_head,
3396                       "Thanks to");
3397     ystart += ystep_head;
3398     DrawTextSCentered(ystart, font_text,
3399                       "Karl H\xf6rnell");
3400     ystart += ystep_head;
3401     DrawTextSCentered(ystart, font_head,
3402                       "for some additional toons");
3403   }
3404   else if (screen_nr == 8)
3405   {
3406     DrawTextSCentered(ystart, font_head,
3407                       "And not to forget:");
3408     ystart += ystep_head;
3409     DrawTextSCentered(ystart, font_head,
3410                       "Many thanks to");
3411     ystart += ystep_head;
3412     DrawTextSCentered(ystart, font_text,
3413                       "All those who contributed");
3414     ystart += ystep_line;
3415     DrawTextSCentered(ystart, font_text,
3416                       "levels to this game");
3417     ystart += ystep_line;
3418     DrawTextSCentered(ystart, font_text,
3419                       "since 1995");
3420   }
3421
3422   DrawTextSCentered(ybottom, font_foot,
3423                     "Press any key or button for next page");
3424 }
3425
3426 static void DrawInfoScreen_Credits(void)
3427 {
3428   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3429
3430   FadeMenuSoundsAndMusic();
3431
3432   FadeOut(REDRAW_FIELD);
3433
3434   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3435
3436   FadeIn(REDRAW_FIELD);
3437 }
3438
3439 void HandleInfoScreen_Credits(int button)
3440 {
3441   static int screen_nr = 0;
3442   int num_screens = 9;
3443
3444   if (button == MB_MENU_INITIALIZE)
3445   {
3446     screen_nr = 0;
3447
3448     // DrawInfoScreen_CreditsScreen(screen_nr);
3449   }
3450
3451   if (button == MB_MENU_LEAVE)
3452   {
3453     PlaySound(SND_MENU_ITEM_SELECTING);
3454
3455     info_mode = INFO_MODE_MAIN;
3456     DrawInfoScreen();
3457
3458     return;
3459   }
3460   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3461   {
3462     if (button != MB_MENU_INITIALIZE)
3463     {
3464       PlaySound(SND_MENU_ITEM_SELECTING);
3465
3466       screen_nr++;
3467     }
3468
3469     if (screen_nr >= num_screens)
3470     {
3471       FadeMenuSoundsAndMusic();
3472
3473       info_mode = INFO_MODE_MAIN;
3474       DrawInfoScreen();
3475
3476       return;
3477     }
3478
3479     if (screen_nr > 0)
3480       FadeSetNextScreen();
3481
3482     if (button != MB_MENU_INITIALIZE)
3483       FadeOut(REDRAW_FIELD);
3484
3485     DrawInfoScreen_CreditsScreen(screen_nr);
3486
3487     if (button != MB_MENU_INITIALIZE)
3488       FadeIn(REDRAW_FIELD);
3489   }
3490   else
3491   {
3492     PlayMenuSoundIfLoop();
3493   }
3494 }
3495
3496 static void DrawInfoScreen_Program(void)
3497 {
3498   int font_title = MENU_INFO_FONT_TITLE;
3499   int font_head  = MENU_INFO_FONT_HEAD;
3500   int font_text  = MENU_INFO_FONT_TEXT;
3501   int font_foot  = MENU_INFO_FONT_FOOT;
3502   int spacing_title = menu.headline1_spacing_info[info_mode];
3503   int spacing_head  = menu.headline2_spacing_info[info_mode];
3504   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3505   int spacing_line  = menu.line_spacing_info[info_mode];
3506   int ystep_title = getMenuTextStep(spacing_title, font_title);
3507   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3508   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3509   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3510   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3511   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3512
3513   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3514
3515   FadeOut(REDRAW_FIELD);
3516
3517   ClearField();
3518   DrawHeadline();
3519
3520   DrawTextSCentered(ystart, font_title, "Program Information:");
3521   ystart += ystep_title;
3522
3523   DrawTextSCentered(ystart, font_head,
3524                     "This game is Freeware!");
3525   ystart += ystep_head;
3526   DrawTextSCentered(ystart, font_head,
3527                     "If you like it, send e-mail to:");
3528   ystart += ystep_head;
3529   DrawTextSCentered(ystart, font_text,
3530                     setup.internal.program_email);
3531   ystart += ystep_para;
3532
3533   DrawTextSCentered(ystart, font_head,
3534                     "More information and levels:");
3535   ystart += ystep_head;
3536   DrawTextSCentered(ystart, font_text,
3537                     setup.internal.program_website);
3538   ystart += ystep_para;
3539
3540   DrawTextSCentered(ystart, font_head,
3541                     "If you have created new levels,");
3542   ystart += ystep_line;
3543   DrawTextSCentered(ystart, font_head,
3544                     "send them to me to include them!");
3545   ystart += ystep_head;
3546   DrawTextSCentered(ystart, font_head,
3547                     ":-)");
3548
3549   DrawTextSCentered(ybottom, font_foot,
3550                     "Press any key or button for info menu");
3551
3552   FadeIn(REDRAW_FIELD);
3553 }
3554
3555 void HandleInfoScreen_Program(int button)
3556 {
3557   if (button == MB_MENU_LEAVE)
3558   {
3559     PlaySound(SND_MENU_ITEM_SELECTING);
3560
3561     info_mode = INFO_MODE_MAIN;
3562     DrawInfoScreen();
3563
3564     return;
3565   }
3566   else if (button == MB_MENU_CHOICE)
3567   {
3568     PlaySound(SND_MENU_ITEM_SELECTING);
3569
3570     FadeMenuSoundsAndMusic();
3571
3572     info_mode = INFO_MODE_MAIN;
3573     DrawInfoScreen();
3574   }
3575   else
3576   {
3577     PlayMenuSoundIfLoop();
3578   }
3579 }
3580
3581 static void DrawInfoScreen_Version(void)
3582 {
3583   int font_title = MENU_INFO_FONT_TITLE;
3584   int font_head  = MENU_INFO_FONT_HEAD;
3585   int font_text  = MENU_INFO_FONT_TEXT;
3586   int font_foot  = MENU_INFO_FONT_FOOT;
3587   int spacing_title = menu.headline1_spacing_info[info_mode];
3588   int spacing_head  = menu.headline2_spacing_info[info_mode];
3589   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3590   int spacing_line  = menu.line_spacing_info[info_mode];
3591   int xstep = getFontWidth(font_text);
3592   int ystep_title = getMenuTextStep(spacing_title, font_title);
3593   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3594   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3595   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3596   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3597   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3598   int xstart1 = mSX - SX + 2 * xstep;
3599   int xstart2 = mSX - SX + 18 * xstep;
3600   int xstart3 = mSX - SX + 28 * xstep;
3601   SDL_version sdl_version_compiled;
3602   const SDL_version *sdl_version_linked;
3603   int driver_name_len = 10;
3604   SDL_version sdl_version_linked_ext;
3605   const char *driver_name = NULL;
3606
3607   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3608
3609   FadeOut(REDRAW_FIELD);
3610
3611   ClearField();
3612   DrawHeadline();
3613
3614   DrawTextSCentered(ystart, font_title, "Version Information:");
3615   ystart += ystep_title;
3616
3617   DrawTextF(xstart1, ystart, font_head, "Name");
3618   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3619   ystart += ystep_line;
3620
3621   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3622   {
3623     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3624     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3625     ystart += ystep_line;
3626
3627     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3628     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3629     ystart += ystep_line;
3630   }
3631   else
3632   {
3633     DrawTextF(xstart1, ystart, font_head, "Version");
3634     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3635     ystart += ystep_line;
3636   }
3637
3638   DrawTextF(xstart1, ystart, font_head, "Platform");
3639   DrawTextF(xstart2, ystart, font_text, PLATFORM_STRING);
3640   ystart += ystep_line;
3641
3642   DrawTextF(xstart1, ystart, font_head, "Target");
3643   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3644   ystart += ystep_line;
3645
3646   DrawTextF(xstart1, ystart, font_head, "Source date");
3647   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3648   ystart += ystep_para;
3649
3650   DrawTextF(xstart1, ystart, font_head, "Library");
3651   DrawTextF(xstart2, ystart, font_head, "compiled");
3652   DrawTextF(xstart3, ystart, font_head, "linked");
3653   ystart += ystep_head;
3654
3655   SDL_VERSION(&sdl_version_compiled);
3656   SDL_GetVersion(&sdl_version_linked_ext);
3657   sdl_version_linked = &sdl_version_linked_ext;
3658
3659   DrawTextF(xstart1, ystart, font_text, "SDL");
3660   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3661             sdl_version_compiled.major,
3662             sdl_version_compiled.minor,
3663             sdl_version_compiled.patch);
3664   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3665             sdl_version_linked->major,
3666             sdl_version_linked->minor,
3667             sdl_version_linked->patch);
3668   ystart += ystep_line;
3669
3670   SDL_IMAGE_VERSION(&sdl_version_compiled);
3671   sdl_version_linked = IMG_Linked_Version();
3672
3673   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3674   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3675             sdl_version_compiled.major,
3676             sdl_version_compiled.minor,
3677             sdl_version_compiled.patch);
3678   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3679             sdl_version_linked->major,
3680             sdl_version_linked->minor,
3681             sdl_version_linked->patch);
3682   ystart += ystep_line;
3683
3684   SDL_MIXER_VERSION(&sdl_version_compiled);
3685   sdl_version_linked = Mix_Linked_Version();
3686
3687   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3688   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3689             sdl_version_compiled.major,
3690             sdl_version_compiled.minor,
3691             sdl_version_compiled.patch);
3692   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3693             sdl_version_linked->major,
3694             sdl_version_linked->minor,
3695             sdl_version_linked->patch);
3696   ystart += ystep_line;
3697
3698   SDL_NET_VERSION(&sdl_version_compiled);
3699   sdl_version_linked = SDLNet_Linked_Version();
3700
3701   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3702   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3703             sdl_version_compiled.major,
3704             sdl_version_compiled.minor,
3705             sdl_version_compiled.patch);
3706   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3707             sdl_version_linked->major,
3708             sdl_version_linked->minor,
3709             sdl_version_linked->patch);
3710   ystart += ystep_para;
3711
3712   DrawTextF(xstart1, ystart, font_head, "Driver");
3713   DrawTextF(xstart2, ystart, font_head, "Requested");
3714   DrawTextF(xstart3, ystart, font_head, "Used");
3715   ystart += ystep_head;
3716
3717   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3718
3719   DrawTextF(xstart1, ystart, font_text, "SDL_VideoDriver");
3720   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3721   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3722   ystart += ystep_line;
3723
3724   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3725
3726   DrawTextF(xstart1, ystart, font_text, "SDL_AudioDriver");
3727   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3728   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3729
3730   DrawTextSCentered(ybottom, font_foot,
3731                     "Press any key or button for info menu");
3732
3733   FadeIn(REDRAW_FIELD);
3734 }
3735
3736 void HandleInfoScreen_Version(int button)
3737 {
3738   if (button == MB_MENU_LEAVE)
3739   {
3740     PlaySound(SND_MENU_ITEM_SELECTING);
3741
3742     info_mode = INFO_MODE_MAIN;
3743     DrawInfoScreen();
3744
3745     return;
3746   }
3747   else if (button == MB_MENU_CHOICE)
3748   {
3749     PlaySound(SND_MENU_ITEM_SELECTING);
3750
3751     FadeMenuSoundsAndMusic();
3752
3753     info_mode = INFO_MODE_MAIN;
3754     DrawInfoScreen();
3755   }
3756   else
3757   {
3758     PlayMenuSoundIfLoop();
3759   }
3760 }
3761
3762 static void DrawInfoScreen_LevelSet(void)
3763 {
3764   struct TitleMessageInfo *tmi = &readme;
3765   char *filename = getLevelSetInfoFilename();
3766   char *title = "Level Set Information:";
3767   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3768   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3769
3770   if (filename == NULL)
3771   {
3772     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3773
3774     return;
3775   }
3776
3777   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3778
3779   FadeOut(REDRAW_FIELD);
3780
3781   ClearField();
3782   DrawHeadline();
3783
3784   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3785
3786   // if x position set to "-1", automatically determine by playfield width
3787   if (tmi->x == -1)
3788     tmi->x = SXSIZE / 2;
3789
3790   // if y position set to "-1", use static default value
3791   if (tmi->y == -1)
3792     tmi->y = 150;
3793
3794   // if width set to "-1", automatically determine by playfield width
3795   if (tmi->width == -1)
3796     tmi->width = SXSIZE - 2 * TILEX;
3797
3798   // if height set to "-1", automatically determine by playfield height
3799   if (tmi->height == -1)
3800     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3801
3802   // if chars set to "-1", automatically determine by text and font width
3803   if (tmi->chars == -1)
3804     tmi->chars = tmi->width / getFontWidth(tmi->font);
3805   else
3806     tmi->width = tmi->chars * getFontWidth(tmi->font);
3807
3808   // if lines set to "-1", automatically determine by text and font height
3809   if (tmi->lines == -1)
3810     tmi->lines = tmi->height / getFontHeight(tmi->font);
3811   else
3812     tmi->height = tmi->lines * getFontHeight(tmi->font);
3813
3814   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3815                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3816                tmi->autowrap, tmi->centered, tmi->parse_comments);
3817
3818   DrawTextSCentered(ybottom, FONT_TEXT_4,
3819                     "Press any key or button for info menu");
3820
3821   FadeIn(REDRAW_FIELD);
3822 }
3823
3824 static void HandleInfoScreen_LevelSet(int button)
3825 {
3826   if (button == MB_MENU_LEAVE)
3827   {
3828     PlaySound(SND_MENU_ITEM_SELECTING);
3829
3830     info_mode = INFO_MODE_MAIN;
3831     DrawInfoScreen();
3832
3833     return;
3834   }
3835   else if (button == MB_MENU_CHOICE)
3836   {
3837     PlaySound(SND_MENU_ITEM_SELECTING);
3838
3839     FadeMenuSoundsAndMusic();
3840
3841     info_mode = INFO_MODE_MAIN;
3842     DrawInfoScreen();
3843   }
3844   else
3845   {
3846     PlayMenuSoundIfLoop();
3847   }
3848 }
3849
3850 static void DrawInfoScreen(void)
3851 {
3852   if (info_mode == INFO_MODE_TITLE)
3853     DrawInfoScreen_TitleScreen();
3854   else if (info_mode == INFO_MODE_ELEMENTS)
3855     DrawInfoScreen_Elements();
3856   else if (info_mode == INFO_MODE_MUSIC)
3857     DrawInfoScreen_Music();
3858   else if (info_mode == INFO_MODE_CREDITS)
3859     DrawInfoScreen_Credits();
3860   else if (info_mode == INFO_MODE_PROGRAM)
3861     DrawInfoScreen_Program();
3862   else if (info_mode == INFO_MODE_VERSION)
3863     DrawInfoScreen_Version();
3864   else if (info_mode == INFO_MODE_LEVELSET)
3865     DrawInfoScreen_LevelSet();
3866   else
3867     DrawInfoScreen_Main();
3868
3869   if (info_mode != INFO_MODE_MAIN &&
3870       info_mode != INFO_MODE_TITLE &&
3871       info_mode != INFO_MODE_MUSIC)
3872     PlayMenuSoundsAndMusic();
3873 }
3874
3875 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3876 {
3877   if (info_mode == INFO_MODE_TITLE)
3878     HandleInfoScreen_TitleScreen(button);
3879   else if (info_mode == INFO_MODE_ELEMENTS)
3880     HandleInfoScreen_Elements(button);
3881   else if (info_mode == INFO_MODE_MUSIC)
3882     HandleInfoScreen_Music(button);
3883   else if (info_mode == INFO_MODE_CREDITS)
3884     HandleInfoScreen_Credits(button);
3885   else if (info_mode == INFO_MODE_PROGRAM)
3886     HandleInfoScreen_Program(button);
3887   else if (info_mode == INFO_MODE_VERSION)
3888     HandleInfoScreen_Version(button);
3889   else if (info_mode == INFO_MODE_LEVELSET)
3890     HandleInfoScreen_LevelSet(button);
3891   else
3892     HandleInfoScreen_Main(mx, my, dx, dy, button);
3893 }
3894
3895
3896 // ============================================================================
3897 // type name functions
3898 // ============================================================================
3899
3900 void HandleTypeName(int newxpos, Key key)
3901 {
3902   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3903   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3904   struct TextPosInfo *pos = mci->pos_input;
3905   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3906   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3907   static int xpos = 0;
3908   int font_nr = pos->font;
3909   int font_active_nr = FONT_ACTIVE(font_nr);
3910   int font_width = getFontWidth(font_active_nr);
3911   char key_char = getValidConfigValueChar(getCharFromKey(key));
3912   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3913   boolean is_active = TRUE;
3914
3915   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3916
3917   if (newxpos)
3918   {
3919     strcpy(last_player_name, setup.player_name);
3920
3921     xpos = newxpos;
3922
3923     StartTextInput(startx, starty, pos->width, pos->height);
3924   }
3925   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3926   {
3927     setup.player_name[xpos] = key_char;
3928     setup.player_name[xpos + 1] = 0;
3929
3930     xpos++;
3931   }
3932   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3933   {
3934     xpos--;
3935
3936     setup.player_name[xpos] = 0;
3937   }
3938   else if (key == KSYM_Return && xpos > 0)
3939   {
3940     SaveSetup();
3941
3942     is_active = FALSE;
3943
3944     SetGameStatus(GAME_MODE_MAIN);
3945   }
3946   else if (key == KSYM_Escape)
3947   {
3948     strcpy(setup.player_name, last_player_name);
3949
3950     is_active = FALSE;
3951
3952     SetGameStatus(GAME_MODE_MAIN);
3953   }
3954
3955   if (is_active)
3956   {
3957     pos->width = (strlen(setup.player_name) + 1) * font_width;
3958     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3959
3960     DrawText(startx, starty, setup.player_name, font_active_nr);
3961     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3962   }
3963   else
3964   {
3965     pos->width = strlen(setup.player_name) * font_width;
3966     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3967
3968     DrawText(startx, starty, setup.player_name, font_nr);
3969
3970     StopTextInput();
3971   }
3972 }
3973
3974
3975 // ============================================================================
3976 // tree menu functions
3977 // ============================================================================
3978
3979 static void DrawChooseTree(TreeInfo **ti_ptr)
3980 {
3981   int fade_mask = REDRAW_FIELD;
3982
3983   if (CheckFadeAll())
3984     fade_mask = REDRAW_ALL;
3985
3986   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3987   {
3988     SetGameStatus(GAME_MODE_MAIN);
3989
3990     DrawMainMenu();
3991
3992     return;
3993   }
3994
3995   UnmapAllGadgets();
3996
3997   FreeScreenGadgets();
3998   CreateScreenGadgets();
3999
4000   FadeOut(fade_mask);
4001
4002   // needed if different viewport properties defined for choosing level (set)
4003   ChangeViewportPropertiesIfNeeded();
4004
4005   if (game_status == GAME_MODE_LEVELNR)
4006     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4007   else if (game_status == GAME_MODE_LEVELS)
4008     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4009
4010   ClearField();
4011
4012   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4013
4014   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4015   MapScreenTreeGadgets(*ti_ptr);
4016
4017   DrawMaskedBorder(fade_mask);
4018
4019   FadeIn(fade_mask);
4020 }
4021
4022 static void drawChooseTreeList(int first_entry, int num_page_entries,
4023                                TreeInfo *ti)
4024 {
4025   int i;
4026   char *title_string = NULL;
4027   int yoffset_sets = MENU_TITLE1_YPOS;
4028   int yoffset_setup = 16;
4029   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4030                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4031
4032   title_string = ti->infotext;
4033
4034   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4035
4036   clearMenuListArea();
4037
4038   for (i = 0; i < num_page_entries; i++)
4039   {
4040     TreeInfo *node, *node_first;
4041     int entry_pos = first_entry + i;
4042     int xpos = MENU_SCREEN_START_XPOS;
4043     int ypos = MENU_SCREEN_START_YPOS + i;
4044     int startx = mSX + xpos * 32;
4045     int starty = mSY + ypos * 32;
4046     int font_nr = FONT_TEXT_1;
4047     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4048     int startx_text = startx + font_xoffset;
4049     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4050     int text_size = startx_scrollbar - startx_text;
4051     int max_buffer_len = text_size / getFontWidth(font_nr);
4052     char buffer[max_buffer_len + 1];
4053
4054     node_first = getTreeInfoFirstGroupEntry(ti);
4055     node = getTreeInfoFromPos(node_first, entry_pos);
4056
4057     strncpy(buffer, node->name, max_buffer_len);
4058     buffer[max_buffer_len] = '\0';
4059
4060     DrawText(startx, starty, buffer, font_nr + node->color);
4061
4062     if (node->parent_link)
4063       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4064     else if (node->level_group)
4065       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4066     else
4067       initCursor(i, IMG_MENU_BUTTON);
4068   }
4069
4070   redraw_mask |= REDRAW_FIELD;
4071 }
4072
4073 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4074 {
4075   TreeInfo *node, *node_first;
4076   int x, last_redraw_mask = redraw_mask;
4077   int ypos = MENU_TITLE2_YPOS;
4078   int font_nr = FONT_TITLE_2;
4079
4080   if (ti->type == TREE_TYPE_LEVEL_NR)
4081     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4082
4083   if (ti->type != TREE_TYPE_LEVEL_DIR)
4084     return;
4085
4086   node_first = getTreeInfoFirstGroupEntry(ti);
4087   node = getTreeInfoFromPos(node_first, entry_pos);
4088
4089   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4090
4091   if (node->parent_link)
4092     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4093                       node->node_parent->name);
4094   else if (node->level_group)
4095     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4096                       node->name);
4097   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4098     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4099                       node->levels, (node->levels > 1 ? "levels" : "level"),
4100                       node->class_desc);
4101
4102   // let BackToFront() redraw only what is needed
4103   redraw_mask = last_redraw_mask;
4104   for (x = 0; x < SCR_FIELDX; x++)
4105     MarkTileDirty(x, 1);
4106 }
4107
4108 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4109                              TreeInfo **ti_ptr)
4110 {
4111   TreeInfo *ti = *ti_ptr;
4112   int x = 0;
4113   int y = ti->cl_cursor;
4114   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4115   int num_entries = numTreeInfoInGroup(ti);
4116   int num_page_entries;
4117   boolean position_set_by_scrollbar = (dx == 999);
4118
4119   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
4120     num_page_entries = num_entries;
4121   else
4122     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
4123
4124   if (button == MB_MENU_INITIALIZE)
4125   {
4126     int num_entries = numTreeInfoInGroup(ti);
4127     int entry_pos = posTreeInfo(ti);
4128
4129     if (ti->cl_first == -1)
4130     {
4131       // only on initialization
4132       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4133       ti->cl_cursor = entry_pos - ti->cl_first;
4134     }
4135     else if (ti->cl_cursor >= num_page_entries ||
4136              (num_entries > num_page_entries &&
4137               num_entries - ti->cl_first < num_page_entries))
4138     {
4139       // only after change of list size (by custom graphic configuration)
4140       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4141       ti->cl_cursor = entry_pos - ti->cl_first;
4142     }
4143
4144     if (position_set_by_scrollbar)
4145       ti->cl_first = dy;
4146     else
4147       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4148                                 ti->cl_first, ti);
4149
4150     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4151     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4152     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4153
4154     return;
4155   }
4156   else if (button == MB_MENU_LEAVE)
4157   {
4158     FadeSetLeaveMenu();
4159
4160     PlaySound(SND_MENU_ITEM_SELECTING);
4161
4162     if (ti->node_parent)
4163     {
4164       *ti_ptr = ti->node_parent;
4165       DrawChooseTree(ti_ptr);
4166     }
4167     else if (game_status == GAME_MODE_SETUP)
4168     {
4169       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4170           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4171           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4172         execSetupGame();
4173       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4174                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4175                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4176                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4177         execSetupGraphics();
4178       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4179                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4180                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4181         execSetupSound();
4182       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4183                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4184                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4185                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4186                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4187                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4188                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4189                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4190         execSetupTouch();
4191       else
4192         execSetupArtwork();
4193     }
4194     else
4195     {
4196       if (game_status == GAME_MODE_LEVELNR)
4197       {
4198         int new_level_nr = atoi(level_number_current->identifier);
4199
4200         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4201       }
4202
4203       SetGameStatus(GAME_MODE_MAIN);
4204
4205       DrawMainMenu();
4206     }
4207
4208     return;
4209   }
4210
4211   if (mx || my)         // mouse input
4212   {
4213     x = (mx - mSX) / 32;
4214     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
4215   }
4216   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4217   {
4218     // move cursor instead of scrolling when already at start/end of list
4219     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4220       dy = -1;
4221     else if (dy == +1 * SCROLL_LINE &&
4222              ti->cl_first + num_page_entries == num_entries)
4223       dy = 1;
4224
4225     // handle scrolling screen one line or page
4226     if (ti->cl_cursor + dy < 0 ||
4227         ti->cl_cursor + dy > num_page_entries - 1)
4228     {
4229       boolean redraw = FALSE;
4230
4231       if (ABS(dy) == SCROLL_PAGE)
4232         step = num_page_entries - 1;
4233
4234       if (dy < 0 && ti->cl_first > 0)
4235       {
4236         // scroll page/line up
4237
4238         ti->cl_first -= step;
4239         if (ti->cl_first < 0)
4240           ti->cl_first = 0;
4241
4242         redraw = TRUE;
4243       }
4244       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4245       {
4246         // scroll page/line down
4247
4248         ti->cl_first += step;
4249         if (ti->cl_first + num_page_entries > num_entries)
4250           ti->cl_first = MAX(0, num_entries - num_page_entries);
4251
4252         redraw = TRUE;
4253       }
4254
4255       if (redraw)
4256       {
4257         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4258         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4259         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4260
4261         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4262                                   ti->cl_first, ti);
4263       }
4264
4265       return;
4266     }
4267
4268     // handle moving cursor one line
4269     y = ti->cl_cursor + dy;
4270   }
4271
4272   if (dx == 1)
4273   {
4274     TreeInfo *node_first, *node_cursor;
4275     int entry_pos = ti->cl_first + y;
4276
4277     node_first = getTreeInfoFirstGroupEntry(ti);
4278     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4279
4280     if (node_cursor->node_group)
4281     {
4282       FadeSetEnterMenu();
4283
4284       PlaySound(SND_MENU_ITEM_SELECTING);
4285
4286       node_cursor->cl_first = ti->cl_first;
4287       node_cursor->cl_cursor = ti->cl_cursor;
4288       *ti_ptr = node_cursor->node_group;
4289       DrawChooseTree(ti_ptr);
4290
4291       return;
4292     }
4293   }
4294   else if (dx == -1 && ti->node_parent)
4295   {
4296     FadeSetLeaveMenu();
4297
4298     PlaySound(SND_MENU_ITEM_SELECTING);
4299
4300     *ti_ptr = ti->node_parent;
4301     DrawChooseTree(ti_ptr);
4302
4303     return;
4304   }
4305
4306   if (!anyScrollbarGadgetActive() &&
4307       IN_VIS_MENU(x, y) &&
4308       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
4309       y >= 0 && y < num_page_entries)
4310   {
4311     if (button)
4312     {
4313       if (y != ti->cl_cursor)
4314       {
4315         PlaySound(SND_MENU_ITEM_ACTIVATING);
4316
4317         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4318         drawChooseTreeCursor(y, TRUE);
4319         drawChooseTreeInfo(ti->cl_first + y, ti);
4320
4321         ti->cl_cursor = y;
4322       }
4323       else if (dx < 0)
4324       {
4325         if (game_status == GAME_MODE_SETUP)
4326         {
4327           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4328               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4329               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4330             execSetupGame();
4331           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4332                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4333                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4334                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4335             execSetupGraphics();
4336           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4337                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4338                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4339             execSetupSound();
4340           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4341                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4342                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4343                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4344                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4345                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4346                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4347                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4348             execSetupTouch();
4349           else
4350             execSetupArtwork();
4351         }
4352       }
4353     }
4354     else
4355     {
4356       TreeInfo *node_first, *node_cursor;
4357       int entry_pos = ti->cl_first + y;
4358
4359       PlaySound(SND_MENU_ITEM_SELECTING);
4360
4361       node_first = getTreeInfoFirstGroupEntry(ti);
4362       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4363
4364       if (node_cursor->node_group)
4365       {
4366         FadeSetEnterMenu();
4367
4368         node_cursor->cl_first = ti->cl_first;
4369         node_cursor->cl_cursor = ti->cl_cursor;
4370         *ti_ptr = node_cursor->node_group;
4371         DrawChooseTree(ti_ptr);
4372       }
4373       else if (node_cursor->parent_link)
4374       {
4375         FadeSetLeaveMenu();
4376
4377         *ti_ptr = node_cursor->node_parent;
4378         DrawChooseTree(ti_ptr);
4379       }
4380       else
4381       {
4382         FadeSetEnterMenu();
4383
4384         node_cursor->cl_first = ti->cl_first;
4385         node_cursor->cl_cursor = ti->cl_cursor;
4386         *ti_ptr = node_cursor;
4387
4388         if (ti->type == TREE_TYPE_LEVEL_DIR)
4389         {
4390           LoadLevelSetup_SeriesInfo();
4391
4392           SaveLevelSetup_LastSeries();
4393           SaveLevelSetup_SeriesInfo();
4394           TapeErase();
4395         }
4396
4397         if (game_status == GAME_MODE_SETUP)
4398         {
4399           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4400               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4401               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4402             execSetupGame();
4403           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4404                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4405                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4406                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4407             execSetupGraphics();
4408           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4409                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4410                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4411             execSetupSound();
4412           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4413                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4414                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4415                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4416                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4417                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4418                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4419                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4420             execSetupTouch();
4421           else
4422             execSetupArtwork();
4423         }
4424         else
4425         {
4426           if (game_status == GAME_MODE_LEVELNR)
4427           {
4428             int new_level_nr = atoi(level_number_current->identifier);
4429
4430             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4431           }
4432
4433           SetGameStatus(GAME_MODE_MAIN);
4434
4435           DrawMainMenu();
4436         }
4437       }
4438     }
4439   }
4440 }
4441
4442 void DrawChooseLevelSet(void)
4443 {
4444   FadeMenuSoundsAndMusic();
4445
4446   DrawChooseTree(&leveldir_current);
4447
4448   PlayMenuSoundsAndMusic();
4449 }
4450
4451 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4452 {
4453   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4454 }
4455
4456 void DrawChooseLevelNr(void)
4457 {
4458   int i;
4459
4460   FadeMenuSoundsAndMusic();
4461
4462   if (level_number != NULL)
4463   {
4464     freeTreeInfo(level_number);
4465
4466     level_number = NULL;
4467   }
4468
4469   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4470   {
4471     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4472     char identifier[32], name[32];
4473     int value = i;
4474
4475     // temporarily load level info to get level name
4476     LoadLevelInfoOnly(i);
4477
4478     ti->node_top = &level_number;
4479     ti->sort_priority = 10000 + value;
4480     ti->color = (level.no_level_file ? FC_BLUE :
4481                  LevelStats_getSolved(i) ? FC_GREEN :
4482                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4483
4484     snprintf(identifier, sizeof(identifier), "%d", value);
4485     snprintf(name, sizeof(name), "%03d: %s", value,
4486              (level.no_level_file ? "(no file)" : level.name));
4487
4488     setString(&ti->identifier, identifier);
4489     setString(&ti->name, name);
4490     setString(&ti->name_sorting, name);
4491
4492     pushTreeInfo(&level_number, ti);
4493   }
4494
4495   // sort level number values to start with lowest level number
4496   sortTreeInfo(&level_number);
4497
4498   // set current level number to current level number
4499   level_number_current =
4500     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4501
4502   // if that also fails, set current level number to first available level
4503   if (level_number_current == NULL)
4504     level_number_current = level_number;
4505
4506   DrawChooseTree(&level_number_current);
4507
4508   PlayMenuSoundsAndMusic();
4509 }
4510
4511 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4512 {
4513   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4514 }
4515
4516 void DrawHallOfFame(int level_nr, int highlight_position)
4517 {
4518   int fade_mask = REDRAW_FIELD;
4519
4520   if (CheckFadeAll())
4521     fade_mask = REDRAW_ALL;
4522
4523   UnmapAllGadgets();
4524   FadeMenuSoundsAndMusic();
4525
4526   // (this is needed when called from GameEnd() after winning a game)
4527   KeyboardAutoRepeatOn();
4528
4529   // (this is needed when called from GameEnd() after winning a game)
4530   SetDrawDeactivationMask(REDRAW_NONE);
4531   SetDrawBackgroundMask(REDRAW_FIELD);
4532
4533   if (highlight_position < 0)
4534     LoadScore(level_nr);
4535   else
4536     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4537
4538   FadeSetEnterScreen();
4539
4540   FadeOut(fade_mask);
4541
4542   // needed if different viewport properties defined for scores
4543   ChangeViewportPropertiesIfNeeded();
4544
4545   PlayMenuSoundsAndMusic();
4546
4547   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4548
4549   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4550
4551   DrawMaskedBorder(fade_mask);
4552
4553   FadeIn(fade_mask);
4554 }
4555
4556 static void drawHallOfFameList(int level_nr, int first_entry,
4557                                int highlight_position)
4558 {
4559   int i, j;
4560
4561   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4562   ClearField();
4563
4564   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4565   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4566                     "HighScores of Level %d", level_nr);
4567
4568   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4569   {
4570     int entry = first_entry + i;
4571     boolean active = (entry == highlight_position);
4572     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4573     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4574     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4575     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4576     int dxoff = getFontDrawOffsetX(font_nr1);
4577     int dx1 = 3 * getFontWidth(font_nr1);
4578     int dx2 = dx1 + getFontWidth(font_nr1);
4579     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4580     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4581     int sy = mSY + 64 + i * 32;
4582
4583     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4584     DrawText(mSX + dx1, sy, ".", font_nr1);
4585
4586     for (j = 0; j < num_dots; j++)
4587       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4588
4589     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4590       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4591
4592     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4593   }
4594
4595   redraw_mask |= REDRAW_FIELD;
4596 }
4597
4598 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4599 {
4600   static int level_nr = 0;
4601   static int first_entry = 0;
4602   static int highlight_position = 0;
4603   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4604
4605   if (button == MB_MENU_INITIALIZE)
4606   {
4607     level_nr = mx;
4608     first_entry = 0;
4609     highlight_position = my;
4610
4611     drawHallOfFameList(level_nr, first_entry, highlight_position);
4612
4613     return;
4614   }
4615
4616   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
4617     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4618
4619   if (dy < 0)
4620   {
4621     if (first_entry > 0)
4622     {
4623       first_entry -= step;
4624       if (first_entry < 0)
4625         first_entry = 0;
4626
4627       drawHallOfFameList(level_nr, first_entry, highlight_position);
4628     }
4629   }
4630   else if (dy > 0)
4631   {
4632     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4633     {
4634       first_entry += step;
4635       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4636         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4637
4638       drawHallOfFameList(level_nr, first_entry, highlight_position);
4639     }
4640   }
4641   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
4642   {
4643     PlaySound(SND_MENU_ITEM_SELECTING);
4644
4645     FadeSound(SND_BACKGROUND_SCORES);
4646
4647     if (game_status_last_screen == GAME_MODE_PLAYING &&
4648         setup.auto_play_next_level && setup.increment_levels &&
4649         level_nr < leveldir_current->last_level &&
4650         !network_playing)
4651     {
4652       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4653     }
4654     else
4655     {
4656       SetGameStatus(GAME_MODE_MAIN);
4657
4658       DrawMainMenu();
4659     }
4660   }
4661
4662   if (game_status == GAME_MODE_SCORES)
4663     PlayMenuSoundIfLoop();
4664 }
4665
4666
4667 // ============================================================================
4668 // setup screen functions
4669 // ============================================================================
4670
4671 static struct TokenInfo *setup_info;
4672 static int num_setup_info;      // number of setup entries shown on screen
4673 static int max_setup_info;      // total number of setup entries in list
4674
4675 static char *window_size_text;
4676 static char *scaling_type_text;
4677 static char *rendering_mode_text;
4678 static char *vsync_mode_text;
4679 static char *scroll_delay_text;
4680 static char *snapshot_mode_text;
4681 static char *game_speed_text;
4682 static char *network_server_text;
4683 static char *graphics_set_name;
4684 static char *sounds_set_name;
4685 static char *music_set_name;
4686 static char *volume_simple_text;
4687 static char *volume_loops_text;
4688 static char *volume_music_text;
4689 static char *touch_controls_text;
4690 static char *move_distance_text;
4691 static char *drop_distance_text;
4692 static char *transparency_text;
4693 static char *grid_size_text[2][2];
4694
4695 static void execSetupMain(void)
4696 {
4697   setup_mode = SETUP_MODE_MAIN;
4698
4699   DrawSetupScreen();
4700 }
4701
4702 static void execSetupGame_setGameSpeeds(boolean update_value)
4703 {
4704   if (setup.game_speed_extended)
4705   {
4706     game_speeds_list = game_speeds_list_extended;
4707     game_speeds      = game_speeds_extended;
4708   }
4709   else
4710   {
4711     game_speeds_list = game_speeds_list_normal;
4712     game_speeds      = game_speeds_normal;
4713   }
4714
4715   if (game_speeds == NULL)
4716   {
4717     int i;
4718
4719     for (i = 0; game_speeds_list[i].value != -1; i++)
4720     {
4721       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4722       char identifier[32], name[32];
4723       int value = game_speeds_list[i].value;
4724       char *text = game_speeds_list[i].text;
4725
4726       ti->node_top = &game_speeds;
4727       ti->sort_priority = 10000 - value;
4728
4729       sprintf(identifier, "%d", value);
4730       sprintf(name, "%s", text);
4731
4732       setString(&ti->identifier, identifier);
4733       setString(&ti->name, name);
4734       setString(&ti->name_sorting, name);
4735       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
4736
4737       pushTreeInfo(&game_speeds, ti);
4738     }
4739
4740     // sort game speed values to start with slowest game speed
4741     sortTreeInfo(&game_speeds);
4742
4743     update_value = TRUE;
4744   }
4745
4746   if (update_value)
4747   {
4748     // set current game speed to configured game speed value
4749     game_speed_current =
4750       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4751
4752     // if that fails, set current game speed to reliable default value
4753     if (game_speed_current == NULL)
4754       game_speed_current =
4755         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4756
4757     // if that also fails, set current game speed to first available speed
4758     if (game_speed_current == NULL)
4759       game_speed_current = game_speeds;
4760
4761     if (setup.game_speed_extended)
4762       game_speeds_extended = game_speeds;
4763     else
4764       game_speeds_normal = game_speeds;
4765   }
4766
4767   setup.game_frame_delay = atoi(game_speed_current->identifier);
4768
4769   // needed for displaying game speed text instead of identifier
4770   game_speed_text = game_speed_current->name;
4771 }
4772
4773 static void execSetupGame_setScrollDelays(void)
4774 {
4775   if (scroll_delays == NULL)
4776   {
4777     int i;
4778
4779     for (i = 0; scroll_delays_list[i].value != -1; i++)
4780     {
4781       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4782       char identifier[32], name[32];
4783       int value = scroll_delays_list[i].value;
4784       char *text = scroll_delays_list[i].text;
4785
4786       ti->node_top = &scroll_delays;
4787       ti->sort_priority = value;
4788
4789       sprintf(identifier, "%d", value);
4790       sprintf(name, "%s", text);
4791
4792       setString(&ti->identifier, identifier);
4793       setString(&ti->name, name);
4794       setString(&ti->name_sorting, name);
4795       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
4796
4797       pushTreeInfo(&scroll_delays, ti);
4798     }
4799
4800     // sort scroll delay values to start with lowest scroll delay value
4801     sortTreeInfo(&scroll_delays);
4802
4803     // set current scroll delay value to configured scroll delay value
4804     scroll_delay_current =
4805       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4806
4807     // if that fails, set current scroll delay to reliable default value
4808     if (scroll_delay_current == NULL)
4809       scroll_delay_current =
4810         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4811
4812     // if that also fails, set current scroll delay to first available value
4813     if (scroll_delay_current == NULL)
4814       scroll_delay_current = scroll_delays;
4815   }
4816
4817   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4818
4819   // needed for displaying scroll delay text instead of identifier
4820   scroll_delay_text = scroll_delay_current->name;
4821 }
4822
4823 static void execSetupGame_setSnapshotModes(void)
4824 {
4825   if (snapshot_modes == NULL)
4826   {
4827     int i;
4828
4829     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4830     {
4831       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4832       char identifier[32], name[32];
4833       char *value = snapshot_modes_list[i].value;
4834       char *text = snapshot_modes_list[i].text;
4835
4836       ti->node_top = &snapshot_modes;
4837       ti->sort_priority = i;
4838
4839       sprintf(identifier, "%s", value);
4840       sprintf(name, "%s", text);
4841
4842       setString(&ti->identifier, identifier);
4843       setString(&ti->name, name);
4844       setString(&ti->name_sorting, name);
4845       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
4846
4847       pushTreeInfo(&snapshot_modes, ti);
4848     }
4849
4850     // sort snapshot mode values to start with lowest snapshot mode value
4851     sortTreeInfo(&snapshot_modes);
4852
4853     // set current snapshot mode value to configured snapshot mode value
4854     snapshot_mode_current =
4855       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4856
4857     // if that fails, set current snapshot mode to reliable default value
4858     if (snapshot_mode_current == NULL)
4859       snapshot_mode_current =
4860         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4861
4862     // if that also fails, set current snapshot mode to first available value
4863     if (snapshot_mode_current == NULL)
4864       snapshot_mode_current = snapshot_modes;
4865   }
4866
4867   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4868
4869   // needed for displaying snapshot mode text instead of identifier
4870   snapshot_mode_text = snapshot_mode_current->name;
4871 }
4872
4873 static void execSetupGame_setNetworkServerText(void)
4874 {
4875   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
4876   {
4877     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
4878   }
4879   else
4880   {
4881     strncpy(network_server_hostname, setup.network_server_hostname,
4882             MAX_SETUP_TEXT_INPUT_LEN);
4883     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
4884   }
4885
4886   // needed for displaying network server text instead of identifier
4887   network_server_text = network_server_hostname;
4888 }
4889
4890 static void execSetupGame(void)
4891 {
4892   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
4893
4894   execSetupGame_setGameSpeeds(FALSE);
4895   execSetupGame_setScrollDelays();
4896   execSetupGame_setSnapshotModes();
4897
4898   execSetupGame_setNetworkServerText();
4899
4900   setup_mode = SETUP_MODE_GAME;
4901
4902   DrawSetupScreen();
4903
4904   // check if vsync needs to be disabled for this game speed to work
4905   if (check_vsync_mode)
4906     DisableVsyncIfNeeded();
4907 }
4908
4909 static void execSetupChooseGameSpeed(void)
4910 {
4911   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4912
4913   DrawSetupScreen();
4914 }
4915
4916 static void execSetupChooseScrollDelay(void)
4917 {
4918   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4919
4920   DrawSetupScreen();
4921 }
4922
4923 static void execSetupChooseSnapshotMode(void)
4924 {
4925   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4926
4927   DrawSetupScreen();
4928 }
4929
4930 static void execSetupEditor(void)
4931 {
4932   setup_mode = SETUP_MODE_EDITOR;
4933
4934   DrawSetupScreen();
4935 }
4936
4937 static void execSetupGraphics_setWindowSizes(boolean update_list)
4938 {
4939   if (window_sizes != NULL && update_list)
4940   {
4941     freeTreeInfo(window_sizes);
4942
4943     window_sizes = NULL;
4944   }
4945
4946   if (window_sizes == NULL)
4947   {
4948     boolean current_window_size_found = FALSE;
4949     int i;
4950
4951     for (i = 0; window_sizes_list[i].value != -1; i++)
4952     {
4953       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4954       char identifier[32], name[32];
4955       int value = window_sizes_list[i].value;
4956       char *text = window_sizes_list[i].text;
4957
4958       ti->node_top = &window_sizes;
4959       ti->sort_priority = value;
4960
4961       sprintf(identifier, "%d", value);
4962       sprintf(name, "%s", text);
4963
4964       setString(&ti->identifier, identifier);
4965       setString(&ti->name, name);
4966       setString(&ti->name_sorting, name);
4967       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
4968
4969       pushTreeInfo(&window_sizes, ti);
4970
4971       if (value == setup.window_scaling_percent)
4972         current_window_size_found = TRUE;
4973     }
4974
4975     if (!current_window_size_found)
4976     {
4977       // add entry for non-preset window scaling value
4978
4979       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4980       char identifier[32], name[32];
4981       int value = setup.window_scaling_percent;
4982
4983       ti->node_top = &window_sizes;
4984       ti->sort_priority = value;
4985
4986       sprintf(identifier, "%d", value);
4987       sprintf(name, "%d %% (Current)", value);
4988
4989       setString(&ti->identifier, identifier);
4990       setString(&ti->name, name);
4991       setString(&ti->name_sorting, name);
4992       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
4993
4994       pushTreeInfo(&window_sizes, ti);
4995     }
4996
4997     // sort window size values to start with lowest window size value
4998     sortTreeInfo(&window_sizes);
4999
5000     // set current window size value to configured window size value
5001     window_size_current =
5002       getTreeInfoFromIdentifier(window_sizes,
5003                                 i_to_a(setup.window_scaling_percent));
5004
5005     // if that fails, set current window size to reliable default value
5006     if (window_size_current == NULL)
5007       window_size_current =
5008         getTreeInfoFromIdentifier(window_sizes,
5009                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5010
5011     // if that also fails, set current window size to first available value
5012     if (window_size_current == NULL)
5013       window_size_current = window_sizes;
5014   }
5015
5016   setup.window_scaling_percent = atoi(window_size_current->identifier);
5017
5018   // needed for displaying window size text instead of identifier
5019   window_size_text = window_size_current->name;
5020 }
5021
5022 static void execSetupGraphics_setScalingTypes(void)
5023 {
5024   if (scaling_types == NULL)
5025   {
5026     int i;
5027
5028     for (i = 0; scaling_types_list[i].value != NULL; i++)
5029     {
5030       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5031       char identifier[32], name[32];
5032       char *value = scaling_types_list[i].value;
5033       char *text = scaling_types_list[i].text;
5034
5035       ti->node_top = &scaling_types;
5036       ti->sort_priority = i;
5037
5038       sprintf(identifier, "%s", value);
5039       sprintf(name, "%s", text);
5040
5041       setString(&ti->identifier, identifier);
5042       setString(&ti->name, name);
5043       setString(&ti->name_sorting, name);
5044       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5045
5046       pushTreeInfo(&scaling_types, ti);
5047     }
5048
5049     // sort scaling type values to start with lowest scaling type value
5050     sortTreeInfo(&scaling_types);
5051
5052     // set current scaling type value to configured scaling type value
5053     scaling_type_current =
5054       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5055
5056     // if that fails, set current scaling type to reliable default value
5057     if (scaling_type_current == NULL)
5058       scaling_type_current =
5059         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5060
5061     // if that also fails, set current scaling type to first available value
5062     if (scaling_type_current == NULL)
5063       scaling_type_current = scaling_types;
5064   }
5065
5066   setup.window_scaling_quality = scaling_type_current->identifier;
5067
5068   // needed for displaying scaling type text instead of identifier
5069   scaling_type_text = scaling_type_current->name;
5070 }
5071
5072 static void execSetupGraphics_setRenderingModes(void)
5073 {
5074   if (rendering_modes == NULL)
5075   {
5076     int i;
5077
5078     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5079     {
5080       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5081       char identifier[32], name[32];
5082       char *value = rendering_modes_list[i].value;
5083       char *text = rendering_modes_list[i].text;
5084
5085       ti->node_top = &rendering_modes;
5086       ti->sort_priority = i;
5087
5088       sprintf(identifier, "%s", value);
5089       sprintf(name, "%s", text);
5090
5091       setString(&ti->identifier, identifier);
5092       setString(&ti->name, name);
5093       setString(&ti->name_sorting, name);
5094       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5095
5096       pushTreeInfo(&rendering_modes, ti);
5097     }
5098
5099     // sort rendering mode values to start with lowest rendering mode value
5100     sortTreeInfo(&rendering_modes);
5101
5102     // set current rendering mode value to configured rendering mode value
5103     rendering_mode_current =
5104       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5105
5106     // if that fails, set current rendering mode to reliable default value
5107     if (rendering_mode_current == NULL)
5108       rendering_mode_current =
5109         getTreeInfoFromIdentifier(rendering_modes,
5110                                   STR_SPECIAL_RENDERING_DEFAULT);
5111
5112     // if that also fails, set current rendering mode to first available one
5113     if (rendering_mode_current == NULL)
5114       rendering_mode_current = rendering_modes;
5115   }
5116
5117   setup.screen_rendering_mode = rendering_mode_current->identifier;
5118
5119   // needed for displaying rendering mode text instead of identifier
5120   rendering_mode_text = rendering_mode_current->name;
5121 }
5122
5123 static void execSetupGraphics_setVsyncModes(boolean update_value)
5124 {
5125   if (vsync_modes == NULL)
5126   {
5127     int i;
5128
5129     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5130     {
5131       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5132       char identifier[32], name[32];
5133       char *value = vsync_modes_list[i].value;
5134       char *text = vsync_modes_list[i].text;
5135
5136       ti->node_top = &vsync_modes;
5137       ti->sort_priority = i;
5138
5139       sprintf(identifier, "%s", value);
5140       sprintf(name, "%s", text);
5141
5142       setString(&ti->identifier, identifier);
5143       setString(&ti->name, name);
5144       setString(&ti->name_sorting, name);
5145       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5146
5147       pushTreeInfo(&vsync_modes, ti);
5148     }
5149
5150     // sort vsync mode values to start with lowest vsync mode value
5151     sortTreeInfo(&vsync_modes);
5152
5153     update_value = TRUE;
5154   }
5155
5156   if (update_value)
5157   {
5158     // set current vsync mode value to configured vsync mode value
5159     vsync_mode_current =
5160       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5161
5162     // if that fails, set current vsync mode to reliable default value
5163     if (vsync_mode_current == NULL)
5164       vsync_mode_current =
5165         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5166
5167     // if that also fails, set current vsync mode to first available one
5168     if (vsync_mode_current == NULL)
5169       vsync_mode_current = vsync_modes;
5170   }
5171
5172   setup.vsync_mode = vsync_mode_current->identifier;
5173
5174   // needed for displaying vsync mode text instead of identifier
5175   vsync_mode_text = vsync_mode_current->name;
5176 }
5177
5178 static void execSetupGraphics(void)
5179 {
5180   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5181
5182   // update "setup.window_scaling_percent" from list selection
5183   // (in this case, window scaling was changed on setup screen)
5184   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5185     execSetupGraphics_setWindowSizes(FALSE);
5186
5187   // update list selection from "setup.window_scaling_percent"
5188   // (window scaling may have changed by resizing the window)
5189   execSetupGraphics_setWindowSizes(TRUE);
5190
5191   execSetupGraphics_setScalingTypes();
5192   execSetupGraphics_setRenderingModes();
5193   execSetupGraphics_setVsyncModes(FALSE);
5194
5195   setup_mode = SETUP_MODE_GRAPHICS;
5196
5197   DrawSetupScreen();
5198
5199   // check if game speed is high enough for 60 Hz vsync to work
5200   if (check_game_speed)
5201     ModifyGameSpeedIfNeeded();
5202
5203   // window scaling may have changed at this point
5204   ToggleFullscreenOrChangeWindowScalingIfNeeded();
5205
5206   // window scaling quality may have changed at this point
5207   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5208     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5209
5210   // screen rendering mode may have changed at this point
5211   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5212
5213   // screen vsync mode may have changed at this point
5214   SDLSetScreenVsyncMode(setup.vsync_mode);
5215 }
5216
5217 static void execSetupChooseWindowSize(void)
5218 {
5219   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5220
5221   DrawSetupScreen();
5222 }
5223
5224 static void execSetupChooseScalingType(void)
5225 {
5226   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5227
5228   DrawSetupScreen();
5229 }
5230
5231 static void execSetupChooseRenderingMode(void)
5232 {
5233   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5234
5235   DrawSetupScreen();
5236 }
5237
5238 static void execSetupChooseVsyncMode(void)
5239 {
5240   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5241
5242   DrawSetupScreen();
5243 }
5244
5245 static void execSetupChooseVolumeSimple(void)
5246 {
5247   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5248
5249   DrawSetupScreen();
5250 }
5251
5252 static void execSetupChooseVolumeLoops(void)
5253 {
5254   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5255
5256   DrawSetupScreen();
5257 }
5258
5259 static void execSetupChooseVolumeMusic(void)
5260 {
5261   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5262
5263   DrawSetupScreen();
5264 }
5265
5266 static void execSetupSound(void)
5267 {
5268   if (volumes_simple == NULL)
5269   {
5270     boolean current_volume_simple_found = FALSE;
5271     int i;
5272
5273     for (i = 0; volumes_list[i].value != -1; i++)
5274     {
5275       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5276       char identifier[32], name[32];
5277       int value = volumes_list[i].value;
5278       char *text = volumes_list[i].text;
5279
5280       ti->node_top = &volumes_simple;
5281       ti->sort_priority = value;
5282
5283       sprintf(identifier, "%d", value);
5284       sprintf(name, "%s", text);
5285
5286       setString(&ti->identifier, identifier);
5287       setString(&ti->name, name);
5288       setString(&ti->name_sorting, name);
5289       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5290
5291       pushTreeInfo(&volumes_simple, ti);
5292
5293       if (value == setup.volume_simple)
5294         current_volume_simple_found = TRUE;
5295     }
5296
5297     if (!current_volume_simple_found)
5298     {
5299       // add entry for non-preset volume value
5300
5301       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5302       char identifier[32], name[32];
5303       int value = setup.volume_simple;
5304
5305       ti->node_top = &volumes_simple;
5306       ti->sort_priority = value;
5307
5308       sprintf(identifier, "%d", value);
5309       sprintf(name, "%d %% (Current)", value);
5310
5311       setString(&ti->identifier, identifier);
5312       setString(&ti->name, name);
5313       setString(&ti->name_sorting, name);
5314       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5315
5316       pushTreeInfo(&volumes_simple, ti);
5317     }
5318
5319     // sort volume values to start with lowest volume value
5320     sortTreeInfo(&volumes_simple);
5321
5322     // set current volume value to configured volume value
5323     volume_simple_current =
5324       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5325
5326     // if that fails, set current volume to reliable default value
5327     if (volume_simple_current == NULL)
5328       volume_simple_current =
5329         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5330
5331     // if that also fails, set current volume to first available value
5332     if (volume_simple_current == NULL)
5333       volume_simple_current = volumes_simple;
5334   }
5335
5336   if (volumes_loops == NULL)
5337   {
5338     boolean current_volume_loops_found = FALSE;
5339     int i;
5340
5341     for (i = 0; volumes_list[i].value != -1; i++)
5342     {
5343       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5344       char identifier[32], name[32];
5345       int value = volumes_list[i].value;
5346       char *text = volumes_list[i].text;
5347
5348       ti->node_top = &volumes_loops;
5349       ti->sort_priority = value;
5350
5351       sprintf(identifier, "%d", value);
5352       sprintf(name, "%s", text);
5353
5354       setString(&ti->identifier, identifier);
5355       setString(&ti->name, name);
5356       setString(&ti->name_sorting, name);
5357       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5358
5359       pushTreeInfo(&volumes_loops, ti);
5360
5361       if (value == setup.volume_loops)
5362         current_volume_loops_found = TRUE;
5363     }
5364
5365     if (!current_volume_loops_found)
5366     {
5367       // add entry for non-preset volume value
5368
5369       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5370       char identifier[32], name[32];
5371       int value = setup.volume_loops;
5372
5373       ti->node_top = &volumes_loops;
5374       ti->sort_priority = value;
5375
5376       sprintf(identifier, "%d", value);
5377       sprintf(name, "%d %% (Current)", value);
5378
5379       setString(&ti->identifier, identifier);
5380       setString(&ti->name, name);
5381       setString(&ti->name_sorting, name);
5382       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5383
5384       pushTreeInfo(&volumes_loops, ti);
5385     }
5386
5387     // sort volume values to start with lowest volume value
5388     sortTreeInfo(&volumes_loops);
5389
5390     // set current volume value to configured volume value
5391     volume_loops_current =
5392       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5393
5394     // if that fails, set current volume to reliable default value
5395     if (volume_loops_current == NULL)
5396       volume_loops_current =
5397         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5398
5399     // if that also fails, set current volume to first available value
5400     if (volume_loops_current == NULL)
5401       volume_loops_current = volumes_loops;
5402   }
5403
5404   if (volumes_music == NULL)
5405   {
5406     boolean current_volume_music_found = FALSE;
5407     int i;
5408
5409     for (i = 0; volumes_list[i].value != -1; i++)
5410     {
5411       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5412       char identifier[32], name[32];
5413       int value = volumes_list[i].value;
5414       char *text = volumes_list[i].text;
5415
5416       ti->node_top = &volumes_music;
5417       ti->sort_priority = value;
5418
5419       sprintf(identifier, "%d", value);
5420       sprintf(name, "%s", text);
5421
5422       setString(&ti->identifier, identifier);
5423       setString(&ti->name, name);
5424       setString(&ti->name_sorting, name);
5425       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5426
5427       pushTreeInfo(&volumes_music, ti);
5428
5429       if (value == setup.volume_music)
5430         current_volume_music_found = TRUE;
5431     }
5432
5433     if (!current_volume_music_found)
5434     {
5435       // add entry for non-preset volume value
5436
5437       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5438       char identifier[32], name[32];
5439       int value = setup.volume_music;
5440
5441       ti->node_top = &volumes_music;
5442       ti->sort_priority = value;
5443
5444       sprintf(identifier, "%d", value);
5445       sprintf(name, "%d %% (Current)", value);
5446
5447       setString(&ti->identifier, identifier);
5448       setString(&ti->name, name);
5449       setString(&ti->name_sorting, name);
5450       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5451
5452       pushTreeInfo(&volumes_music, ti);
5453     }
5454
5455     // sort volume values to start with lowest volume value
5456     sortTreeInfo(&volumes_music);
5457
5458     // set current volume value to configured volume value
5459     volume_music_current =
5460       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5461
5462     // if that fails, set current volume to reliable default value
5463     if (volume_music_current == NULL)
5464       volume_music_current =
5465         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5466
5467     // if that also fails, set current volume to first available value
5468     if (volume_music_current == NULL)
5469       volume_music_current = volumes_music;
5470   }
5471
5472   setup.volume_simple = atoi(volume_simple_current->identifier);
5473   setup.volume_loops  = atoi(volume_loops_current->identifier);
5474   setup.volume_music  = atoi(volume_music_current->identifier);
5475
5476   // needed for displaying volume text instead of identifier
5477   volume_simple_text = volume_simple_current->name;
5478   volume_loops_text = volume_loops_current->name;
5479   volume_music_text = volume_music_current->name;
5480
5481   setup_mode = SETUP_MODE_SOUND;
5482
5483   DrawSetupScreen();
5484 }
5485
5486 static void execSetupChooseTouchControls(void)
5487 {
5488   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5489
5490   DrawSetupScreen();
5491 }
5492
5493 static void execSetupChooseMoveDistance(void)
5494 {
5495   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5496
5497   DrawSetupScreen();
5498 }
5499
5500 static void execSetupChooseDropDistance(void)
5501 {
5502   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5503
5504   DrawSetupScreen();
5505 }
5506
5507 static void execSetupChooseTransparency(void)
5508 {
5509   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5510
5511   DrawSetupScreen();
5512 }
5513
5514 static void execSetupChooseGridXSize_0(void)
5515 {
5516   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5517
5518   DrawSetupScreen();
5519 }
5520
5521 static void execSetupChooseGridYSize_0(void)
5522 {
5523   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5524
5525   DrawSetupScreen();
5526 }
5527
5528 static void execSetupChooseGridXSize_1(void)
5529 {
5530   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5531
5532   DrawSetupScreen();
5533 }
5534
5535 static void execSetupChooseGridYSize_1(void)
5536 {
5537   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5538
5539   DrawSetupScreen();
5540 }
5541
5542 static void execSetupConfigureVirtualButtons(void)
5543 {
5544   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5545
5546   ConfigureVirtualButtons();
5547
5548   setup_mode = SETUP_MODE_TOUCH;
5549
5550   DrawSetupScreen();
5551 }
5552
5553 static void execSetupTouch(void)
5554 {
5555   int i, j, k;
5556
5557   if (touch_controls == NULL)
5558   {
5559     for (i = 0; touch_controls_list[i].value != NULL; i++)
5560     {
5561       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5562       char identifier[32], name[32];
5563       char *value = touch_controls_list[i].value;
5564       char *text = touch_controls_list[i].text;
5565
5566       ti->node_top = &touch_controls;
5567       ti->sort_priority = i;
5568
5569       sprintf(identifier, "%s", value);
5570       sprintf(name, "%s", text);
5571
5572       setString(&ti->identifier, identifier);
5573       setString(&ti->name, name);
5574       setString(&ti->name_sorting, name);
5575       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5576
5577       pushTreeInfo(&touch_controls, ti);
5578     }
5579
5580     // sort touch control values to start with lowest touch control value
5581     sortTreeInfo(&touch_controls);
5582
5583     // set current touch control value to configured touch control value
5584     touch_control_current =
5585       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5586
5587     // if that fails, set current touch control to reliable default value
5588     if (touch_control_current == NULL)
5589       touch_control_current =
5590         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5591
5592     // if that also fails, set current touch control to first available value
5593     if (touch_control_current == NULL)
5594       touch_control_current = touch_controls;
5595   }
5596
5597   if (move_distances == NULL)
5598   {
5599     for (i = 0; distances_list[i].value != -1; i++)
5600     {
5601       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5602       char identifier[32], name[32];
5603       int value = distances_list[i].value;
5604       char *text = distances_list[i].text;
5605
5606       ti->node_top = &move_distances;
5607       ti->sort_priority = value;
5608
5609       sprintf(identifier, "%d", value);
5610       sprintf(name, "%s", text);
5611
5612       setString(&ti->identifier, identifier);
5613       setString(&ti->name, name);
5614       setString(&ti->name_sorting, name);
5615       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5616
5617       pushTreeInfo(&move_distances, ti);
5618     }
5619
5620     // sort distance values to start with lowest distance value
5621     sortTreeInfo(&move_distances);
5622
5623     // set current distance value to configured distance value
5624     move_distance_current =
5625       getTreeInfoFromIdentifier(move_distances,
5626                                 i_to_a(setup.touch.move_distance));
5627
5628     // if that fails, set current distance to reliable default value
5629     if (move_distance_current == NULL)
5630       move_distance_current =
5631         getTreeInfoFromIdentifier(move_distances,
5632                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
5633
5634     // if that also fails, set current distance to first available value
5635     if (move_distance_current == NULL)
5636       move_distance_current = move_distances;
5637   }
5638
5639   if (drop_distances == NULL)
5640   {
5641     for (i = 0; distances_list[i].value != -1; i++)
5642     {
5643       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5644       char identifier[32], name[32];
5645       int value = distances_list[i].value;
5646       char *text = distances_list[i].text;
5647
5648       ti->node_top = &drop_distances;
5649       ti->sort_priority = value;
5650
5651       sprintf(identifier, "%d", value);
5652       sprintf(name, "%s", text);
5653
5654       setString(&ti->identifier, identifier);
5655       setString(&ti->name, name);
5656       setString(&ti->name_sorting, name);
5657       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5658
5659       pushTreeInfo(&drop_distances, ti);
5660     }
5661
5662     // sort distance values to start with lowest distance value
5663     sortTreeInfo(&drop_distances);
5664
5665     // set current distance value to configured distance value
5666     drop_distance_current =
5667       getTreeInfoFromIdentifier(drop_distances,
5668                                 i_to_a(setup.touch.drop_distance));
5669
5670     // if that fails, set current distance to reliable default value
5671     if (drop_distance_current == NULL)
5672       drop_distance_current =
5673         getTreeInfoFromIdentifier(drop_distances,
5674                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
5675
5676     // if that also fails, set current distance to first available value
5677     if (drop_distance_current == NULL)
5678       drop_distance_current = drop_distances;
5679   }
5680
5681   if (transparencies == NULL)
5682   {
5683     for (i = 0; transparencies_list[i].value != -1; i++)
5684     {
5685       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5686       char identifier[32], name[32];
5687       int value = transparencies_list[i].value;
5688       char *text = transparencies_list[i].text;
5689
5690       ti->node_top = &transparencies;
5691       ti->sort_priority = value;
5692
5693       sprintf(identifier, "%d", value);
5694       sprintf(name, "%s", text);
5695
5696       setString(&ti->identifier, identifier);
5697       setString(&ti->name, name);
5698       setString(&ti->name_sorting, name);
5699       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
5700
5701       pushTreeInfo(&transparencies, ti);
5702     }
5703
5704     // sort transparency values to start with lowest transparency value
5705     sortTreeInfo(&transparencies);
5706
5707     // set current transparency value to configured transparency value
5708     transparency_current =
5709       getTreeInfoFromIdentifier(transparencies,
5710                                 i_to_a(setup.touch.transparency));
5711
5712     // if that fails, set current transparency to reliable default value
5713     if (transparency_current == NULL)
5714       transparency_current =
5715         getTreeInfoFromIdentifier(transparencies,
5716                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
5717
5718     // if that also fails, set current transparency to first available value
5719     if (transparency_current == NULL)
5720       transparency_current = transparencies;
5721   }
5722
5723   for (i = 0; i < 2; i++)
5724   {
5725     for (j = 0; j < 2; j++)
5726     {
5727       if (grid_sizes[i][j] == NULL)
5728       {
5729         for (k = 0; grid_sizes_list[k].value != -1; k++)
5730         {
5731           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5732           char identifier[32], name[32];
5733           int value = grid_sizes_list[k].value;
5734           char *text = grid_sizes_list[k].text;
5735
5736           ti->node_top = &grid_sizes[i][j];
5737           ti->sort_priority = value;
5738
5739           sprintf(identifier, "%d", value);
5740           sprintf(name, "%s", text);
5741
5742           setString(&ti->identifier, identifier);
5743           setString(&ti->name, name);
5744           setString(&ti->name_sorting, name);
5745           setString(&ti->infotext,
5746                     (i == 0 ?
5747                      (j == 0 ?
5748                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
5749                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
5750                      (j == 0 ?
5751                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
5752                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
5753
5754           pushTreeInfo(&grid_sizes[i][j], ti);
5755         }
5756
5757         // sort grid size values to start with lowest grid size value
5758         sortTreeInfo(&grid_sizes[i][j]);
5759
5760         // set current grid size value to configured grid size value
5761         grid_size_current[i][j] =
5762           getTreeInfoFromIdentifier(grid_sizes[i][j],
5763                                     i_to_a(j == 0 ?
5764                                            setup.touch.grid_xsize[i] :
5765                                            setup.touch.grid_ysize[i]));
5766
5767         // if that fails, set current grid size to reliable default value
5768         if (grid_size_current[i][j] == NULL)
5769           grid_size_current[i][j] =
5770             getTreeInfoFromIdentifier(grid_sizes[i][j],
5771                                       i_to_a(j == 0 ?
5772                                              DEFAULT_GRID_XSIZE(i) :
5773                                              DEFAULT_GRID_YSIZE(i)));
5774
5775         // if that also fails, set current grid size to first available value
5776         if (grid_size_current[i][j] == NULL)
5777           grid_size_current[i][j] = grid_sizes[i][j];
5778       }
5779     }
5780   }
5781
5782   setup.touch.control_type = touch_control_current->identifier;
5783   setup.touch.move_distance = atoi(move_distance_current->identifier);
5784   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5785   setup.touch.transparency = atoi(transparency_current->identifier);
5786
5787   for (i = 0; i < 2; i++)
5788   {
5789     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
5790     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
5791
5792     if (i == GRID_ACTIVE_NR())
5793     {
5794       overlay.grid_xsize = setup.touch.grid_xsize[i];
5795       overlay.grid_ysize = setup.touch.grid_ysize[i];
5796     }
5797   }
5798
5799   // needed for displaying value text instead of identifier
5800   touch_controls_text = touch_control_current->name;
5801   move_distance_text = move_distance_current->name;
5802   drop_distance_text = drop_distance_current->name;
5803   transparency_text = transparency_current->name;
5804
5805   for (i = 0; i < 2; i++)
5806     for (j = 0; j < 2; j++)
5807       grid_size_text[i][j] = grid_size_current[i][j]->name;
5808
5809   setup_mode = SETUP_MODE_TOUCH;
5810
5811   DrawSetupScreen();
5812 }
5813
5814 static void execSetupArtwork(void)
5815 {
5816 #if 0
5817   printf("::: '%s', '%s', '%s'\n",
5818          artwork.gfx_current->subdir,
5819          artwork.gfx_current->fullpath,
5820          artwork.gfx_current->basepath);
5821 #endif
5822
5823   setup.graphics_set = artwork.gfx_current->identifier;
5824   setup.sounds_set = artwork.snd_current->identifier;
5825   setup.music_set = artwork.mus_current->identifier;
5826
5827   // needed if last screen (setup choice) changed graphics, sounds or music
5828   ReloadCustomArtwork(0);
5829
5830   // needed for displaying artwork name instead of artwork identifier
5831   graphics_set_name = artwork.gfx_current->name;
5832   sounds_set_name = artwork.snd_current->name;
5833   music_set_name = artwork.mus_current->name;
5834
5835   setup_mode = SETUP_MODE_ARTWORK;
5836
5837   DrawSetupScreen();
5838 }
5839
5840 static void execSetupChooseGraphics(void)
5841 {
5842   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5843
5844   DrawSetupScreen();
5845 }
5846
5847 static void execSetupChooseSounds(void)
5848 {
5849   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5850
5851   DrawSetupScreen();
5852 }
5853
5854 static void execSetupChooseMusic(void)
5855 {
5856   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5857
5858   DrawSetupScreen();
5859 }
5860
5861 static void execSetupInput(void)
5862 {
5863   setup_mode = SETUP_MODE_INPUT;
5864
5865   DrawSetupScreen();
5866 }
5867
5868 static void execSetupShortcuts(void)
5869 {
5870   setup_mode = SETUP_MODE_SHORTCUTS;
5871
5872   DrawSetupScreen();
5873 }
5874
5875 static void execSetupShortcuts1(void)
5876 {
5877   setup_mode = SETUP_MODE_SHORTCUTS_1;
5878
5879   DrawSetupScreen();
5880 }
5881
5882 static void execSetupShortcuts2(void)
5883 {
5884   setup_mode = SETUP_MODE_SHORTCUTS_2;
5885
5886   DrawSetupScreen();
5887 }
5888
5889 static void execSetupShortcuts3(void)
5890 {
5891   setup_mode = SETUP_MODE_SHORTCUTS_3;
5892
5893   DrawSetupScreen();
5894 }
5895
5896 static void execSetupShortcuts4(void)
5897 {
5898   setup_mode = SETUP_MODE_SHORTCUTS_4;
5899
5900   DrawSetupScreen();
5901 }
5902
5903 static void execSetupShortcuts5(void)
5904 {
5905   setup_mode = SETUP_MODE_SHORTCUTS_5;
5906
5907   DrawSetupScreen();
5908 }
5909
5910 static void execExitSetup(void)
5911 {
5912   SetGameStatus(GAME_MODE_MAIN);
5913
5914   DrawMainMenu();
5915 }
5916
5917 static void execSaveAndExitSetup(void)
5918 {
5919   SaveSetup();
5920   execExitSetup();
5921 }
5922
5923 static void execGadgetNetworkServer(void)
5924 {
5925   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
5926   struct GadgetInfo *gi = screen_gadget[gadget_id];
5927
5928   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5929     network_server_hostname[0] = '\0';
5930
5931   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
5932
5933   MapGadget(gi);
5934
5935   ClickOnGadget(gi, MB_LEFTBUTTON);
5936 }
5937
5938 static void ToggleNetworkModeIfNeeded(void)
5939 {
5940   int font_title = FONT_TITLE_1;
5941   int font_foot = FC_BLUE;
5942   int ystart  = mSY - SY + 16;
5943   int ybottom = mSY - SY + SYSIZE - 20;
5944   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
5945
5946   if (setup.network_mode == network.enabled)
5947     return;
5948
5949   network.enabled = setup.network_mode;
5950
5951   FadeOut(REDRAW_ALL);
5952
5953   ClearField();
5954
5955   DrawTextSCentered(ystart, font_title, text);
5956
5957   FadeIn(REDRAW_ALL);
5958
5959   if (network.enabled)
5960     InitNetworkServer();
5961   else
5962     DisconnectFromNetworkServer();
5963
5964   DrawTextSCentered(ybottom, font_foot,
5965                     "Press any key or button for setup menu");
5966
5967   WaitForEventToContinue();
5968
5969   DrawSetupScreen();
5970 }
5971
5972 static void ToggleGameSpeedsListIfNeeded(void)
5973 {
5974   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
5975
5976   if (setup.game_speed_extended == using_game_speeds_extended)
5977     return;
5978
5979   // try to match similar values when changing game speeds list
5980   if (setup.game_speed_extended)
5981     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
5982                               setup.game_frame_delay == 30 ? 29 :
5983                               setup.game_frame_delay);
5984   else
5985     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
5986                               setup.game_frame_delay == 16 ? 15 :
5987                               setup.game_frame_delay >= 29 ? 30 :
5988                               setup.game_frame_delay <= 10 ? 10 :
5989                               setup.game_frame_delay);
5990
5991   execSetupGame_setGameSpeeds(TRUE);
5992
5993   DrawSetupScreen();
5994 }
5995
5996 static void ModifyGameSpeedIfNeeded(void)
5997 {
5998   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
5999       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6000     return;
6001
6002   char message[100];
6003   char *game_speed_text = "Fast";
6004   int game_speed_value = 15;
6005
6006   if (setup.game_speed_extended)
6007   {
6008     game_speed_text = "60 fps";
6009     game_speed_value = 16;
6010   }
6011
6012   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6013
6014   // set game speed to existing list value that is fast enough for vsync
6015   setup.game_frame_delay = game_speed_value;
6016
6017   execSetupGame_setGameSpeeds(TRUE);
6018
6019   Request(message, REQ_CONFIRM);
6020 }
6021
6022 static void DisableVsyncIfNeeded(void)
6023 {
6024   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6025       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6026        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6027     return;
6028
6029   // disable vsync for the selected game speed to work
6030   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6031
6032   execSetupGraphics_setVsyncModes(TRUE);
6033
6034   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6035 }
6036
6037 static struct
6038 {
6039   void *value;
6040   void *related_value;
6041 } hide_related_entry_list[] =
6042 {
6043   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6044   { &setup.game_frame_delay,            &game_speed_text                },
6045
6046   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6047   { &setup.scroll_delay_value,          &scroll_delay_text              },
6048
6049   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6050   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6051
6052   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6053   { &setup.window_scaling_percent,      &window_size_text               },
6054
6055   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6056   { &setup.window_scaling_quality,      &scaling_type_text              },
6057
6058   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6059   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6060
6061   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6062   { &setup.vsync_mode,                  &vsync_mode_text                },
6063
6064   { &setup.graphics_set,                execSetupChooseGraphics         },
6065   { &setup.graphics_set,                &graphics_set_name              },
6066
6067   { &setup.sounds_set,                  execSetupChooseSounds           },
6068   { &setup.sounds_set,                  &sounds_set_name                },
6069
6070   { &setup.music_set,                   execSetupChooseMusic            },
6071   { &setup.music_set,                   &music_set_name                 },
6072
6073   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6074   { &setup.volume_simple,               &volume_simple_text             },
6075
6076   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6077   { &setup.volume_loops,                &volume_loops_text              },
6078
6079   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6080   { &setup.volume_music,                &volume_music_text              },
6081
6082   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6083   { &setup.touch.control_type,          &touch_controls_text            },
6084
6085   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6086   { &setup.touch.move_distance,         &move_distance_text             },
6087
6088   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6089   { &setup.touch.drop_distance,         &drop_distance_text             },
6090
6091   { &setup.touch.transparency,          execSetupChooseTransparency     },
6092   { &setup.touch.transparency,          &transparency_text              },
6093
6094   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6095   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6096
6097   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6098   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6099
6100   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6101   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6102
6103   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6104   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6105
6106   { NULL,                               NULL                            }
6107 };
6108
6109 void setHideRelatedSetupEntries(void)
6110 {
6111   int i;
6112
6113   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6114     if (hideSetupEntry(hide_related_entry_list[i].value))
6115       setHideSetupEntry(hide_related_entry_list[i].related_value);
6116 }
6117
6118 static struct TokenInfo setup_info_main[] =
6119 {
6120   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6121   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6122   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6123   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6124   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6125   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6126   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6127   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6128   { TYPE_EMPTY,         NULL,                   ""                      },
6129   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6130   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6131
6132   { 0,                  NULL,                   NULL                    }
6133 };
6134
6135 static struct TokenInfo setup_info_game[] =
6136 {
6137   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6138   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6139   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6140   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6141   { TYPE_STRING,        &network_server_text,   ""                      },
6142   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6143   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6144   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6145   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6146   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6147   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6148   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6149   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6150   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6151   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6152   { TYPE_STRING,        &game_speed_text,       ""                      },
6153   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6154 #if 1
6155   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6156   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6157 #endif
6158   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6159   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6160   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6161   { TYPE_EMPTY,         NULL,                   ""                      },
6162   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6163
6164   { 0,                  NULL,                   NULL                    }
6165 };
6166
6167 static struct TokenInfo setup_info_editor[] =
6168 {
6169 #if 0
6170   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6171   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6172   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6173   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6174   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6175   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6176   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6177   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6178   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6179   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6180 #endif
6181   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6182   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6183 #if 0
6184   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6185 #endif
6186   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6187   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6188   { TYPE_EMPTY,         NULL,                   ""                      },
6189 #if 0
6190   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6191   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6192   { TYPE_EMPTY,         NULL,                   ""                      },
6193 #endif
6194   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6195   { TYPE_EMPTY,         NULL,                   ""                      },
6196   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6197
6198   { 0,                  NULL,                   NULL                    }
6199 };
6200
6201 static struct TokenInfo setup_info_graphics[] =
6202 {
6203 #if !defined(PLATFORM_ANDROID)
6204   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6205   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6206   { TYPE_STRING,        &window_size_text,      ""                      },
6207   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6208   { TYPE_STRING,        &scaling_type_text,     ""                      },
6209   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6210   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6211 #endif
6212 #if 0
6213   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6214   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6215 #endif
6216   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6217   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6218   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6219   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6220   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6221   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6222   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6223   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
6224   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
6225   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6226   { TYPE_EMPTY,         NULL,                   ""                      },
6227   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6228
6229   { 0,                  NULL,                   NULL                    }
6230 };
6231
6232 static struct TokenInfo setup_info_sound[] =
6233 {
6234   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6235   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6236   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6237   { TYPE_EMPTY,         NULL,                   ""                      },
6238   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6239   { TYPE_STRING,        &volume_simple_text,    ""                      },
6240   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6241   { TYPE_STRING,        &volume_loops_text,     ""                      },
6242   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6243   { TYPE_STRING,        &volume_music_text,     ""                      },
6244   { TYPE_EMPTY,         NULL,                   ""                      },
6245   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6246
6247   { 0,                  NULL,                   NULL                    }
6248 };
6249
6250 static struct TokenInfo setup_info_artwork[] =
6251 {
6252   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6253   { TYPE_STRING,        &graphics_set_name,     ""                      },
6254   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6255   { TYPE_STRING,        &sounds_set_name,       ""                      },
6256   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6257   { TYPE_STRING,        &music_set_name,        ""                      },
6258   { TYPE_EMPTY,         NULL,                   ""                      },
6259   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6260   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6261   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6262   { TYPE_EMPTY,         NULL,                   ""                      },
6263   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6264
6265   { 0,                  NULL,                   NULL                    }
6266 };
6267
6268 static struct TokenInfo setup_info_input[] =
6269 {
6270   { TYPE_SWITCH,        NULL,                   "Player:"               },
6271   { TYPE_SWITCH,        NULL,                   "Device:"               },
6272   { TYPE_SWITCH,        NULL,                   ""                      },
6273   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6274   { TYPE_EMPTY,         NULL,                   ""                      },
6275   { TYPE_EMPTY,         NULL,                   ""                      },
6276   { TYPE_EMPTY,         NULL,                   ""                      },
6277   { TYPE_EMPTY,         NULL,                   ""                      },
6278   { TYPE_EMPTY,         NULL,                   ""                      },
6279   { TYPE_EMPTY,         NULL,                   ""                      },
6280   { TYPE_EMPTY,         NULL,                   ""                      },
6281   { TYPE_EMPTY,         NULL,                   ""                      },
6282   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6283   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6284
6285   { 0,                  NULL,                   NULL                    }
6286 };
6287
6288 static struct TokenInfo setup_info_touch[] =
6289 {
6290   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6291   { TYPE_STRING,        &touch_controls_text,   ""                      },
6292   { TYPE_EMPTY,         NULL,                   ""                      },
6293   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6294
6295   { 0,                  NULL,                   NULL                    }
6296 };
6297
6298 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6299 {
6300   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6301   { TYPE_STRING,        &touch_controls_text,   ""                      },
6302   { TYPE_EMPTY,         NULL,                   ""                      },
6303   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6304   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6305   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6306   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6307   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6308   { TYPE_STRING,        &transparency_text,     ""                      },
6309   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6310   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6311   { TYPE_EMPTY,         NULL,                   ""                      },
6312   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6313   { TYPE_EMPTY,         NULL,                   ""                      },
6314   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6315
6316   { 0,                  NULL,                   NULL                    }
6317 };
6318
6319 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6320 {
6321   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6322   { TYPE_STRING,        &touch_controls_text,   ""                      },
6323   { TYPE_EMPTY,         NULL,                   ""                      },
6324   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6325   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6326   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6327   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6328   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6329   { TYPE_STRING,        &transparency_text,     ""                      },
6330   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6331   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6332   { TYPE_EMPTY,         NULL,                   ""                      },
6333   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6334   { TYPE_EMPTY,         NULL,                   ""                      },
6335   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6336
6337   { 0,                  NULL,                   NULL                    }
6338 };
6339
6340 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6341 {
6342   setup_info_touch_virtual_buttons_0,
6343   setup_info_touch_virtual_buttons_1
6344 };
6345
6346 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6347 {
6348   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6349   { TYPE_STRING,        &touch_controls_text,   ""                      },
6350   { TYPE_EMPTY,         NULL,                   ""                      },
6351   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6352   { TYPE_STRING,        &move_distance_text,    ""                      },
6353   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6354   { TYPE_STRING,        &drop_distance_text,    ""                      },
6355   { TYPE_EMPTY,         NULL,                   ""                      },
6356   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6357
6358   { 0,                  NULL,                   NULL                    }
6359 };
6360
6361 static struct TokenInfo setup_info_shortcuts[] =
6362 {
6363   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6364   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6365   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6366   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6367   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6368   { TYPE_EMPTY,         NULL,                   ""                      },
6369   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6370
6371   { 0,                  NULL,                   NULL                    }
6372 };
6373
6374 static struct TokenInfo setup_info_shortcuts_1[] =
6375 {
6376   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6377   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6378   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6379   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6380   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6381   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6382   { TYPE_EMPTY,         NULL,                   ""                      },
6383   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6384   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6385   { TYPE_EMPTY,         NULL,                   ""                      },
6386   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6387
6388   { 0,                  NULL,                   NULL                    }
6389 };
6390
6391 static struct TokenInfo setup_info_shortcuts_2[] =
6392 {
6393   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6394   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6395   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6396   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6397   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6398   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6399   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6400   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6401   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6402   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6403   { TYPE_EMPTY,         NULL,                   ""                      },
6404   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6405
6406   { 0,                  NULL,                   NULL                    }
6407 };
6408
6409 static struct TokenInfo setup_info_shortcuts_3[] =
6410 {
6411   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6412   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6413   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6414   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6415   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6416   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6417   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6418   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6419   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6420   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6421   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6422   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6423   { TYPE_EMPTY,         NULL,                   ""                      },
6424   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6425
6426   { 0,                  NULL,                   NULL                    }
6427 };
6428
6429 static struct TokenInfo setup_info_shortcuts_4[] =
6430 {
6431   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6432   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6433   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6434   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6435   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6436   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6437   { TYPE_EMPTY,         NULL,                   ""                      },
6438   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6439
6440   { 0,                  NULL,                   NULL                    }
6441 };
6442
6443 static struct TokenInfo setup_info_shortcuts_5[] =
6444 {
6445   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6446   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6447   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6448   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6449   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6450   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6451   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6452   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6453   { TYPE_EMPTY,         NULL,                   ""                      },
6454   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6455
6456   { 0,                  NULL,                   NULL                    }
6457 };
6458
6459 static Key getSetupKey(void)
6460 {
6461   Key key = KSYM_UNDEFINED;
6462   boolean got_key_event = FALSE;
6463
6464   while (!got_key_event)
6465   {
6466     Event event;
6467
6468     if (NextValidEvent(&event))
6469     {
6470       switch (event.type)
6471       {
6472         case EVENT_KEYPRESS:
6473           {
6474             key = GetEventKey((KeyEvent *)&event, TRUE);
6475
6476             // press 'Escape' or 'Enter' to keep the existing key binding
6477             if (key == KSYM_Escape || key == KSYM_Return)
6478               key = KSYM_UNDEFINED;     // keep old value
6479
6480             got_key_event = TRUE;
6481           }
6482           break;
6483
6484         case EVENT_KEYRELEASE:
6485           key_joystick_mapping = 0;
6486           break;
6487
6488         default:
6489           HandleOtherEvents(&event);
6490           break;
6491       }
6492     }
6493
6494     BackToFront();
6495   }
6496
6497   return key;
6498 }
6499
6500 static int getSetupValueFont(int type, void *value)
6501 {
6502   if (type & TYPE_GHOSTED)
6503     return FONT_OPTION_OFF;
6504   else if (type & TYPE_KEY)
6505     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6506   else if (type & TYPE_STRING)
6507     return FONT_VALUE_2;
6508   else if (type & TYPE_ECS_AGA)
6509     return FONT_VALUE_1;
6510   else if (type & TYPE_BOOLEAN_STYLE)
6511     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6512   else if (type & TYPE_YES_NO_AUTO)
6513     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6514             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6515   else if (type & TYPE_PLAYER)
6516     return FONT_VALUE_1;
6517   else
6518     return FONT_VALUE_1;
6519 }
6520
6521 static int getSetupValueFontNarrow(int type, int font_nr)
6522 {
6523   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6524           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6525           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6526           font_nr);
6527 }
6528
6529 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6530 {
6531   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6532   struct TokenInfo *si = &setup_info[si_pos];
6533   boolean font_draw_xoffset_modified = FALSE;
6534   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6535   int font_draw_xoffset_old = -1;
6536   int xoffset = (scrollbar_needed ? -1 : 0);
6537   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6538   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6539   int xpos = menu_screen_value_xpos;
6540   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6541   int startx = mSX + xpos * 32;
6542   int starty = mSY + ypos * 32;
6543   int type = si->type;
6544   void *value = si->value;
6545   char *value_string = getSetupValue(type, value);
6546   int font_nr_default = getSetupValueFont(type, value);
6547   int font_width_default = getFontWidth(font_nr_default);
6548   int font_nr = font_nr_default;
6549   int i;
6550
6551   if (value_string == NULL)
6552     return;
6553
6554   if (type & TYPE_KEY)
6555   {
6556     xpos = MENU_SCREEN_START_XPOS;
6557
6558     if (type & TYPE_QUERY)
6559       value_string = "<press key>";
6560   }
6561   else if (type & TYPE_STRING)
6562   {
6563     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
6564
6565     xpos = MENU_SCREEN_START_XPOS;
6566
6567     if (strlen(value_string) > max_value_len)
6568       value_string[max_value_len] = '\0';
6569   }
6570   else if (type & TYPE_YES_NO_AUTO)
6571   {
6572     xpos = menu_screen_value_xpos - 1;
6573   }
6574   else if (type & TYPE_PLAYER)
6575   {
6576     int displayed_player_nr = *(int *)value + 1;
6577
6578     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
6579   }
6580
6581   startx = mSX + xpos * 32;
6582   starty = mSY + ypos * 32;
6583
6584   // special check if right-side setup values moved left due to scrollbar
6585   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
6586   {
6587     int max_menu_text_length = 26;      // maximum text length for classic menu
6588     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6589     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6590     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6591     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6592     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
6593
6594     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
6595     {
6596       xpos += 1;
6597       startx = mSX + xpos * 32;
6598
6599       font_nr = getSetupValueFontNarrow(type, font_nr);
6600     }
6601   }
6602
6603   // downward compatibility correction for Juergen Bonhagen's menu settings
6604   if (setup_mode != SETUP_MODE_INPUT)
6605   {
6606     int max_menu_text_length_big = (menu_screen_value_xpos -
6607                                     MENU_SCREEN_START_XPOS);
6608     int max_menu_text_length_medium = max_menu_text_length_big * 2;
6609     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
6610     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6611     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
6612     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6613     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6614     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6615     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
6616     boolean correct_font_draw_xoffset = FALSE;
6617
6618     if (xpos == MENU_SCREEN_START_XPOS &&
6619         startx + font1_xoffset < text_startx + text_font_xoffset)
6620       correct_font_draw_xoffset = TRUE;
6621
6622     if (xpos == menu_screen_value_xpos &&
6623         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
6624       correct_font_draw_xoffset = TRUE;
6625
6626     // check if setup value would overlap with setup text when printed
6627     // (this can happen for extreme/wrong values for font draw offset)
6628     if (correct_font_draw_xoffset)
6629     {
6630       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
6631       font_draw_xoffset_modified = TRUE;
6632
6633       if (type & TYPE_KEY)
6634         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
6635       else if (!(type & TYPE_STRING))
6636         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
6637           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
6638     }
6639   }
6640
6641   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
6642     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
6643
6644   DrawText(startx, starty, value_string, font_nr);
6645
6646   if (type & TYPE_PLAYER)
6647   {
6648     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
6649     int player_nr = *(int *)value;
6650     int xoff = font->draw_xoffset + getFontWidth(font_nr);
6651     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
6652     int startx2 = startx + xoff;
6653     int starty2 = starty + yoff;
6654
6655     if (DrawingOnBackground(startx2, starty2))
6656       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
6657
6658     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
6659                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6660   }
6661
6662   if (font_draw_xoffset_modified)
6663     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
6664 }
6665
6666 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
6667 {
6668   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6669   struct TokenInfo *si = &setup_info[si_pos];
6670
6671   if (si->type & TYPE_BOOLEAN_STYLE)
6672   {
6673     *(boolean *)si->value ^= TRUE;
6674   }
6675   else if (si->type & TYPE_YES_NO_AUTO)
6676   {
6677     *(int *)si->value =
6678       (dx == -1 ?
6679        (*(int *)si->value == AUTO ? TRUE :
6680         *(int *)si->value == TRUE ? FALSE : AUTO) :
6681        (*(int *)si->value == TRUE ? AUTO :
6682         *(int *)si->value == AUTO ? FALSE : TRUE));
6683   }
6684   else if (si->type & TYPE_KEY)
6685   {
6686     Key key;
6687
6688     si->type |= TYPE_QUERY;
6689     drawSetupValue(screen_pos, setup_info_pos_raw);
6690     si->type &= ~TYPE_QUERY;
6691
6692     key = getSetupKey();
6693     if (key != KSYM_UNDEFINED)
6694       *(Key *)si->value = key;
6695   }
6696   else if (si->type & TYPE_PLAYER)
6697   {
6698     int player_nr = *(int *)si->value;
6699
6700     if (dx)
6701       player_nr += dx;
6702     else
6703       player_nr = Request("Choose player", REQ_PLAYER) - 1;
6704
6705     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
6706   }
6707
6708   drawSetupValue(screen_pos, setup_info_pos_raw);
6709
6710   // fullscreen state may have changed at this point
6711   if (si->value == &setup.fullscreen)
6712     ToggleFullscreenOrChangeWindowScalingIfNeeded();
6713
6714   // network mode may have changed at this point
6715   if (si->value == &setup.network_mode)
6716     ToggleNetworkModeIfNeeded();
6717
6718   // game speed list may have changed at this point
6719   if (si->value == &setup.game_speed_extended)
6720     ToggleGameSpeedsListIfNeeded();
6721 }
6722
6723 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
6724 {
6725   static struct TokenInfo *setup_info_final = NULL;
6726   int list_size = 0;
6727   int list_pos = 0;
6728   int i;
6729
6730   // determine maximum list size of target list
6731   while (setup_info_orig[list_size++].type != 0);
6732
6733   // free, allocate and clear memory for target list
6734   checked_free(setup_info_final);
6735   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
6736
6737   // copy setup info list without setup entries marked as hidden
6738   for (i = 0; setup_info_orig[i].type != 0; i++)
6739   {
6740     // skip setup entries configured to be hidden
6741     if (hideSetupEntry(setup_info_orig[i].value))
6742       continue;
6743
6744     // skip skippable setup entries if screen is lower than usual
6745     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
6746         setup_info_orig[i].type == TYPE_SKIPPABLE)
6747       continue;
6748
6749     setup_info_final[list_pos++] = setup_info_orig[i];
6750   }
6751
6752   return setup_info_final;
6753 }
6754
6755 static void DrawSetupScreen_Generic(void)
6756 {
6757   int fade_mask = REDRAW_FIELD;
6758   boolean redraw_all = FALSE;
6759   char *title_string = NULL;
6760   int i;
6761
6762   if (CheckFadeAll())
6763     fade_mask = REDRAW_ALL;
6764
6765   UnmapAllGadgets();
6766   FadeMenuSoundsAndMusic();
6767
6768   FreeScreenGadgets();
6769   CreateScreenGadgets();
6770
6771   if (redraw_mask & REDRAW_ALL)
6772     redraw_all = TRUE;
6773
6774   FadeOut(fade_mask);
6775
6776   // needed if different viewport properties defined for setup screen
6777   ChangeViewportPropertiesIfNeeded();
6778
6779   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6780
6781   ClearField();
6782
6783   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
6784
6785   if (setup_mode == SETUP_MODE_MAIN)
6786   {
6787     setup_info = setup_info_main;
6788     title_string = STR_SETUP_MAIN;
6789   }
6790   else if (setup_mode == SETUP_MODE_GAME)
6791   {
6792     setup_info = setup_info_game;
6793     title_string = STR_SETUP_GAME;
6794   }
6795   else if (setup_mode == SETUP_MODE_EDITOR)
6796   {
6797     setup_info = setup_info_editor;
6798     title_string = STR_SETUP_EDITOR;
6799   }
6800   else if (setup_mode == SETUP_MODE_GRAPHICS)
6801   {
6802     setup_info = setup_info_graphics;
6803     title_string = STR_SETUP_GRAPHICS;
6804   }
6805   else if (setup_mode == SETUP_MODE_SOUND)
6806   {
6807     setup_info = setup_info_sound;
6808     title_string = STR_SETUP_SOUND;
6809   }
6810   else if (setup_mode == SETUP_MODE_ARTWORK)
6811   {
6812     setup_info = setup_info_artwork;
6813     title_string = STR_SETUP_ARTWORK;
6814   }
6815   else if (setup_mode == SETUP_MODE_TOUCH)
6816   {
6817     setup_info = setup_info_touch;
6818     title_string = STR_SETUP_TOUCH;
6819
6820     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
6821       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
6822     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
6823       setup_info = setup_info_touch_wipe_gestures;
6824   }
6825   else if (setup_mode == SETUP_MODE_SHORTCUTS)
6826   {
6827     setup_info = setup_info_shortcuts;
6828     title_string = STR_SETUP_SHORTCUTS;
6829   }
6830   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
6831   {
6832     setup_info = setup_info_shortcuts_1;
6833     title_string = STR_SETUP_SHORTCUTS;
6834   }
6835   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
6836   {
6837     setup_info = setup_info_shortcuts_2;
6838     title_string = STR_SETUP_SHORTCUTS;
6839   }
6840   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
6841   {
6842     setup_info = setup_info_shortcuts_3;
6843     title_string = STR_SETUP_SHORTCUTS;
6844   }
6845   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
6846   {
6847     setup_info = setup_info_shortcuts_4;
6848     title_string = STR_SETUP_SHORTCUTS;
6849   }
6850   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
6851   {
6852     setup_info = setup_info_shortcuts_5;
6853     title_string = STR_SETUP_SHORTCUTS;
6854   }
6855
6856   // use modified setup info without setup entries marked as hidden
6857   setup_info = getSetupInfoFinal(setup_info);
6858
6859   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
6860
6861   // determine maximal number of setup entries that can be displayed on screen
6862   num_setup_info = 0;
6863   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
6864     num_setup_info++;
6865
6866   // determine maximal number of setup entries available for this setup screen
6867   max_setup_info = 0;
6868   for (i = 0; setup_info[i].type != 0; i++)
6869     max_setup_info++;
6870
6871   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
6872
6873   MapScreenGadgets(max_setup_info);
6874
6875   if (redraw_all)
6876     redraw_mask = fade_mask = REDRAW_ALL;
6877
6878   DrawMaskedBorder(fade_mask);
6879
6880   FadeIn(fade_mask);
6881 }
6882
6883 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
6884 {
6885   menu_info = setup_info;
6886
6887   HandleMenuScreen(mx, my, dx, dy, button,
6888                    setup_mode, num_setup_info, max_setup_info);
6889 }
6890
6891 static void DrawSetupScreen_Input(void)
6892 {
6893   int i;
6894
6895   FadeOut(REDRAW_FIELD);
6896
6897   ClearField();
6898
6899   setup_info = getSetupInfoFinal(setup_info_input);
6900
6901   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
6902
6903   for (i = 0; setup_info[i].type != 0; i++)
6904   {
6905     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
6906       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
6907     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
6908       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
6909     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
6910       initCursor(i, IMG_MENU_BUTTON);
6911
6912     DrawCursorAndText_Setup(i, -1, FALSE);
6913   }
6914
6915   // create gadgets for setup input menu screen
6916   FreeScreenGadgets();
6917   CreateScreenGadgets();
6918
6919   // map gadgets for setup input menu screen
6920   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
6921
6922   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
6923
6924   FadeIn(REDRAW_FIELD);
6925 }
6926
6927 static void setJoystickDeviceToNr(char *device_name, int device_nr)
6928 {
6929   if (device_name == NULL)
6930     return;
6931
6932   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
6933     device_nr = 0;
6934
6935   if (strlen(device_name) > 1)
6936   {
6937     char c1 = device_name[strlen(device_name) - 1];
6938     char c2 = device_name[strlen(device_name) - 2];
6939
6940     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
6941       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
6942   }
6943   else
6944     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
6945             strlen(device_name));
6946 }
6947
6948 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
6949 {
6950   int i;
6951   static struct SetupKeyboardInfo custom_key;
6952   static struct
6953   {
6954     Key *key;
6955     char *text;
6956   } custom[] =
6957   {
6958     { &custom_key.left,  "Axis/Pad Left"  },
6959     { &custom_key.right, "Axis/Pad Right" },
6960     { &custom_key.up,    "Axis/Pad Up"    },
6961     { &custom_key.down,  "Axis/Pad Down"  },
6962     { &custom_key.snap,  "Button 1/A/X"   },
6963     { &custom_key.drop,  "Button 2/B/Y"   }
6964   };
6965   static char *joystick_name[MAX_PLAYERS] =
6966   {
6967     "Joystick1",
6968     "Joystick2",
6969     "Joystick3",
6970     "Joystick4"
6971   };
6972   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
6973   int font_nr_info = FONT_MENU_1;
6974   int font_nr_name = FONT_VALUE_OLD;
6975   int font_nr_on   = FONT_VALUE_1;
6976   int font_nr_off  = FONT_VALUE_OLD;
6977   int pos = 4;
6978
6979   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
6980   {
6981     font_nr_info = FONT_MENU_2;
6982     font_nr_on   = FONT_VALUE_NARROW;
6983     font_nr_off  = FONT_VALUE_OLD_NARROW;
6984   }
6985
6986   custom_key = setup.input[player_nr].key;
6987
6988   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
6989            FONT_INPUT_1_ACTIVE);
6990
6991   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6992                              TILEX, TILEY);
6993   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6994                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6995
6996   if (setup.input[player_nr].use_joystick)
6997   {
6998     char *device_name = setup.input[player_nr].joy.device_name;
6999     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7000     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7001     char *text = joystick_name[joystick_nr];
7002     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7003
7004     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7005     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7006   }
7007   else
7008   {
7009     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7010     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7011   }
7012
7013   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7014     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7015   else
7016     pos = 3;
7017
7018   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7019   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7020   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7021   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7022
7023   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7024   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7025   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7026   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7027   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7028   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7029
7030   for (i = 0; i < 6; i++)
7031   {
7032     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7033
7034     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7035              "              ", font_nr_on);
7036     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7037              (setup.input[player_nr].use_joystick ?
7038               custom[i].text :
7039               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7040   }
7041 }
7042
7043 static int input_player_nr = 0;
7044
7045 static void HandleSetupScreen_Input_Player(int step, int direction)
7046 {
7047   int old_player_nr = input_player_nr;
7048   int new_player_nr;
7049
7050   new_player_nr = old_player_nr + step * direction;
7051   if (new_player_nr < 0)
7052     new_player_nr = 0;
7053   if (new_player_nr > MAX_PLAYERS - 1)
7054     new_player_nr = MAX_PLAYERS - 1;
7055
7056   if (new_player_nr != old_player_nr)
7057   {
7058     input_player_nr = new_player_nr;
7059
7060     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7061   }
7062 }
7063
7064 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7065 {
7066   static int choice = 0;
7067   int x = 0;
7068   int y = choice;
7069   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7070   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7071   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7072   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7073
7074   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7075   {
7076     int i;
7077
7078     for (i = 0; setup_info_input[i].type != 0; i++)
7079     {
7080       // adjust menu structure according to skipped setup entries
7081       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7082       {
7083         pos_empty2--;
7084         pos_end--;
7085       }
7086     }
7087   }
7088
7089   if (button == MB_MENU_INITIALIZE)
7090   {
7091     // input setup menu may have changed size due to graphics configuration
7092     if (choice >= pos_empty1)
7093       choice = pos_end;
7094
7095     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7096
7097     DrawCursorAndText_Setup(choice, -1, TRUE);
7098
7099     return;
7100   }
7101   else if (button == MB_MENU_LEAVE)
7102   {
7103     setup_mode = SETUP_MODE_MAIN;
7104     DrawSetupScreen();
7105     InitJoysticks();
7106
7107     return;
7108   }
7109
7110   if (mx || my)         // mouse input
7111   {
7112     x = (mx - mSX) / 32;
7113     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7114   }
7115   else if (dx || dy)    // keyboard input
7116   {
7117     if (dx && choice == 0)
7118       x = (dx < 0 ? 10 : 12);
7119     else if ((dx && choice == 1) ||
7120              (dx == -1 && choice == pos_end))
7121       button = MB_MENU_CHOICE;
7122     else if (dy)
7123       y = choice + dy;
7124
7125     if (y >= pos_empty1 && y <= pos_empty2)
7126       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7127   }
7128
7129   if (y == 0 && dx != 0 && button)
7130   {
7131     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7132   }
7133   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7134            y >= pos_start && y <= pos_end &&
7135            !(y >= pos_empty1 && y <= pos_empty2))
7136   {
7137     if (button)
7138     {
7139       if (y != choice)
7140       {
7141         DrawCursorAndText_Setup(choice, -1, FALSE);
7142         DrawCursorAndText_Setup(y, -1, TRUE);
7143
7144         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7145
7146         choice = y;
7147       }
7148     }
7149     else
7150     {
7151       if (y == 1)
7152       {
7153         char *device_name = setup.input[input_player_nr].joy.device_name;
7154
7155         if (!setup.input[input_player_nr].use_joystick)
7156         {
7157           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7158
7159           setJoystickDeviceToNr(device_name, new_device_nr);
7160           setup.input[input_player_nr].use_joystick = TRUE;
7161         }
7162         else
7163         {
7164           int device_nr = getJoystickNrFromDeviceName(device_name);
7165           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7166
7167           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7168             setup.input[input_player_nr].use_joystick = FALSE;
7169           else
7170             setJoystickDeviceToNr(device_name, new_device_nr);
7171         }
7172
7173         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7174       }
7175       else if (y == 2)
7176       {
7177         if (setup.input[input_player_nr].use_joystick)
7178           ConfigureJoystick(input_player_nr);
7179         else
7180           CustomizeKeyboard(input_player_nr);
7181       }
7182       else if (y == pos_end)
7183       {
7184         InitJoysticks();
7185
7186         FadeSetLeaveMenu();
7187
7188         setup_mode = SETUP_MODE_MAIN;
7189         DrawSetupScreen();
7190       }
7191     }
7192   }
7193 }
7194
7195 static boolean CustomizeKeyboardMain(int player_nr)
7196 {
7197   int i;
7198   int step_nr;
7199   boolean finished = FALSE;
7200   static struct SetupKeyboardInfo custom_key;
7201   static struct
7202   {
7203     Key *key;
7204     char *text;
7205   } customize_step[] =
7206   {
7207     { &custom_key.left,  "Move Left"    },
7208     { &custom_key.right, "Move Right"   },
7209     { &custom_key.up,    "Move Up"      },
7210     { &custom_key.down,  "Move Down"    },
7211     { &custom_key.snap,  "Snap Field"   },
7212     { &custom_key.drop,  "Drop Element" }
7213   };
7214   int font_nr_old = FONT_VALUE_OLD;
7215   int font_nr_new = FONT_VALUE_1;
7216   boolean success = FALSE;
7217
7218   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7219   {
7220     font_nr_old = FONT_VALUE_OLD_NARROW;
7221     font_nr_new = FONT_VALUE_NARROW;
7222   }
7223
7224   // read existing key bindings from player setup
7225   custom_key = setup.input[player_nr].key;
7226
7227   FadeSetEnterMenu();
7228   FadeOut(REDRAW_FIELD);
7229
7230   ClearField();
7231
7232   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7233
7234   step_nr = 0;
7235   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7236            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7237   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7238            "Key:", FONT_INPUT_1_ACTIVE);
7239   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7240            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7241
7242   FadeIn(REDRAW_FIELD);
7243
7244   while (!finished)
7245   {
7246     Event event;
7247
7248     if (NextValidEvent(&event))
7249     {
7250       switch (event.type)
7251       {
7252         case EVENT_KEYPRESS:
7253           {
7254             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7255
7256             // press 'Escape' to abort and keep the old key bindings
7257             if (key == KSYM_Escape)
7258             {
7259               FadeSkipNextFadeIn();
7260
7261               finished = TRUE;
7262
7263               break;
7264             }
7265
7266             // press 'Enter' to keep the existing key binding
7267             if (key == KSYM_Return)
7268               key = *customize_step[step_nr].key;
7269
7270             // check if key already used
7271             for (i = 0; i < step_nr; i++)
7272               if (*customize_step[i].key == key)
7273                 break;
7274             if (i < step_nr)
7275               break;
7276
7277             // got new key binding
7278             *customize_step[step_nr].key = key;
7279             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7280                      "             ", font_nr_new);
7281             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7282                      getKeyNameFromKey(key), font_nr_new);
7283             step_nr++;
7284
7285             // un-highlight last query
7286             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7287                      customize_step[step_nr - 1].text, FONT_MENU_1);
7288             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7289                      "Key:", FONT_MENU_1);
7290
7291             // all keys configured
7292             if (step_nr == 6)
7293             {
7294               finished = TRUE;
7295               success = TRUE;
7296
7297               break;
7298             }
7299
7300             // query next key binding
7301             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7302                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7303             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7304                      "Key:", FONT_INPUT_1_ACTIVE);
7305             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7306                      getKeyNameFromKey(*customize_step[step_nr].key),
7307                      font_nr_old);
7308           }
7309           break;
7310
7311         case EVENT_KEYRELEASE:
7312           key_joystick_mapping = 0;
7313           break;
7314
7315         default:
7316           HandleOtherEvents(&event);
7317           break;
7318       }
7319     }
7320
7321     BackToFront();
7322   }
7323
7324   // write new key bindings back to player setup, if successfully finished
7325   if (success)
7326     setup.input[player_nr].key = custom_key;
7327
7328   return success;
7329 }
7330
7331 void CustomizeKeyboard(int player_nr)
7332 {
7333   boolean success = CustomizeKeyboardMain(player_nr);
7334
7335   if (success)
7336   {
7337     int font_nr = FONT_TITLE_1;
7338     int font_height = getFontHeight(font_nr);
7339     int ypos1 = SYSIZE / 2 - font_height * 2;
7340     int ypos2 = SYSIZE / 2 - font_height * 1;
7341     unsigned int wait_frame_delay = 0;
7342     unsigned int wait_frame_delay_value = 2000;
7343
7344     ResetDelayCounter(&wait_frame_delay);
7345
7346     ClearField();
7347
7348     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7349     DrawTextSCentered(ypos2, font_nr, "configured!");
7350
7351     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7352       BackToFront();
7353
7354     ClearEventQueue();
7355   }
7356
7357   DrawSetupScreen_Input();
7358 }
7359
7360 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7361
7362 #define MARKER_BUTTON           1
7363 #define MARKER_AXIS_X           2
7364 #define MARKER_AXIS_Y           3
7365
7366 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7367 {
7368   static boolean bitmaps_initialized = FALSE;
7369   boolean screen_initialized = FALSE;
7370   static Bitmap *controller, *button, *axis_x, *axis_y;
7371   char *name;
7372   boolean success = TRUE;
7373   boolean done = FALSE, next = FALSE;
7374   Event event;
7375   int alpha = 200, alpha_step = -1;
7376   int alpha_ticks = 0;
7377   char mapping[4096], temp[4096];
7378   int font_name = MENU_SETUP_FONT_TITLE;
7379   int font_info = MENU_SETUP_FONT_TEXT;
7380   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7381   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7382   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7383   int ystep_name = getMenuTextStep(spacing_name, font_name);
7384   int ystep_line = getMenuTextStep(spacing_line, font_info);
7385   int ystep_para = getMenuTextStep(spacing_para, font_info);
7386   int i, j;
7387
7388   struct
7389   {
7390     int x, y;
7391     int marker;
7392     char *field;
7393     int axis, button, hat, hat_value;
7394     char mapping[4096];
7395   }
7396   *step, *prev_step, steps[] =
7397   {
7398     { 356, 155, MARKER_BUTTON, "a",             },
7399     { 396, 122, MARKER_BUTTON, "b",             },
7400     { 320, 125, MARKER_BUTTON, "x",             },
7401     { 358,  95, MARKER_BUTTON, "y",             },
7402     { 162, 125, MARKER_BUTTON, "back",          },
7403     { 216, 125, MARKER_BUTTON, "guide",         },
7404     { 271, 125, MARKER_BUTTON, "start",         },
7405     { 110, 200, MARKER_BUTTON, "dpleft",        },
7406     { 146, 228, MARKER_BUTTON, "dpdown",        },
7407     { 178, 200, MARKER_BUTTON, "dpright",       },
7408     { 146, 172, MARKER_BUTTON, "dpup",          },
7409     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7410     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7411     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7412     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7413     {  73, 141, MARKER_BUTTON, "leftstick",     },
7414     { 282, 210, MARKER_BUTTON, "rightstick",    },
7415     {  73, 141, MARKER_AXIS_X, "leftx",         },
7416     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7417     { 282, 210, MARKER_AXIS_X, "rightx",        },
7418     { 282, 210, MARKER_AXIS_Y, "righty",        },
7419   };
7420
7421   unsigned int event_frame_delay = 0;
7422   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7423
7424   ResetDelayCounter(&event_frame_delay);
7425
7426   if (!bitmaps_initialized)
7427   {
7428     controller = LoadCustomImage("joystick/controller.png");
7429     button     = LoadCustomImage("joystick/button.png");
7430     axis_x     = LoadCustomImage("joystick/axis_x.png");
7431     axis_y     = LoadCustomImage("joystick/axis_y.png");
7432
7433     bitmaps_initialized = TRUE;
7434   }
7435
7436   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7437
7438 #if DEBUG_JOYSTICKS
7439   // print info about the joystick we are watching
7440   Error(ERR_DEBUG, "watching joystick %d: (%s)\n",
7441         SDL_JoystickInstanceID(joystick), name);
7442   Error(ERR_DEBUG, "joystick has %d axes, %d hats, %d balls, and %d buttons\n",
7443         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7444         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7445 #endif
7446
7447   // initialize mapping with GUID and name
7448   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7449
7450   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7451            temp, name, SDL_GetPlatform());
7452
7453   // loop through all steps (buttons and axes), getting joystick events
7454   for (i = 0; i < SDL_arraysize(steps) && !done;)
7455   {
7456     Bitmap *marker = button;    // initialize with reliable default value
7457
7458     step = &steps[i];
7459     strcpy(step->mapping, mapping);
7460     step->axis = -1;
7461     step->button = -1;
7462     step->hat = -1;
7463     step->hat_value = -1;
7464
7465     marker = (step->marker == MARKER_BUTTON ? button :
7466               step->marker == MARKER_AXIS_X ? axis_x :
7467               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7468
7469     next = FALSE;
7470
7471     while (!done && !next)
7472     {
7473       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7474       alpha_ticks = SDL_GetTicks();
7475
7476       if (alpha >= 255)
7477       {
7478         alpha = 255;
7479         alpha_step = -1;
7480       }
7481       else if (alpha < 128)
7482       {
7483         alpha = 127;
7484         alpha_step = 1;
7485       }
7486
7487       int controller_x = SX + (SXSIZE - controller->width) / 2;
7488       int controller_y = SY + ystep_line;
7489
7490       int marker_x = controller_x + step->x;
7491       int marker_y = controller_y + step->y;
7492
7493       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7494       int ystart2 = ystart1 + ystep_name + ystep_line;
7495
7496       ClearField();
7497
7498       DrawTextSCentered(ystart1, font_name, name);
7499
7500       DrawTextSCentered(ystart2, font_info,
7501                         "Press buttons and move axes on");
7502       ystart2 += ystep_line;
7503       DrawTextSCentered(ystart2, font_info,
7504                         "your controller when indicated.");
7505       ystart2 += ystep_line;
7506       DrawTextSCentered(ystart2, font_info,
7507                         "(Your controller may look different.)");
7508       ystart2 += ystep_para;
7509
7510 #if defined(PLATFORM_ANDROID)
7511       DrawTextSCentered(ystart2, font_info,
7512                         "To correct a mistake,");
7513       ystart2 += ystep_line;
7514       DrawTextSCentered(ystart2, font_info,
7515                         "press the 'back' button.");
7516       ystart2 += ystep_line;
7517       DrawTextSCentered(ystart2, font_info,
7518                         "To skip a button or axis,");
7519       ystart2 += ystep_line;
7520       DrawTextSCentered(ystart2, font_info,
7521                         "press the 'menu' button.");
7522 #else
7523       DrawTextSCentered(ystart2, font_info,
7524                         "To correct a mistake,");
7525       ystart2 += ystep_line;
7526       DrawTextSCentered(ystart2, font_info,
7527                         "press the 'backspace' key.");
7528       ystart2 += ystep_line;
7529       DrawTextSCentered(ystart2, font_info,
7530                         "To skip a button or axis,");
7531       ystart2 += ystep_line;
7532       DrawTextSCentered(ystart2, font_info,
7533                         "press the 'return' key.");
7534       ystart2 += ystep_line;
7535       DrawTextSCentered(ystart2, font_info,
7536                         "To exit, press the 'escape' key.");
7537 #endif
7538
7539       BlitBitmapMasked(controller, drawto, 0, 0,
7540                        controller->width, controller->height,
7541                        controller_x, controller_y);
7542
7543       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
7544       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
7545
7546       BlitBitmapMasked(marker, drawto, 0, 0,
7547                        marker->width, marker->height,
7548                        marker_x, marker_y);
7549
7550       if (!screen_initialized)
7551         FadeIn(REDRAW_FIELD);
7552       else
7553         BackToFront();
7554
7555       screen_initialized = TRUE;
7556
7557       while (NextValidEvent(&event))
7558       {
7559         switch (event.type)
7560         {
7561           case SDL_JOYAXISMOTION:
7562             if (event.jaxis.value > 20000 ||
7563                 event.jaxis.value < -20000)
7564             {
7565               for (j = 0; j < i; j++)
7566                 if (steps[j].axis == event.jaxis.axis)
7567                   break;
7568
7569               if (j == i)
7570               {
7571                 if (step->marker != MARKER_AXIS_X &&
7572                     step->marker != MARKER_AXIS_Y)
7573                   break;
7574
7575                 step->axis = event.jaxis.axis;
7576                 strcat(mapping, step->field);
7577                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
7578                 strcat(mapping, temp);
7579                 i++;
7580                 next = TRUE;
7581               }
7582             }
7583
7584             break;
7585
7586           case SDL_JOYHATMOTION:
7587             // ignore centering; we're probably just coming back
7588             // to the center from the previous item we set
7589             if (event.jhat.value == SDL_HAT_CENTERED)
7590               break;
7591
7592             for (j = 0; j < i; j++)
7593               if (steps[j].hat == event.jhat.hat &&
7594                   steps[j].hat_value == event.jhat.value)
7595                 break;
7596
7597             if (j == i)
7598             {
7599               step->hat = event.jhat.hat;
7600               step->hat_value = event.jhat.value;
7601               strcat(mapping, step->field);
7602               snprintf(temp, sizeof(temp), ":h%u.%u,",
7603                        event.jhat.hat, event.jhat.value );
7604               strcat(mapping, temp);
7605               i++;
7606               next = TRUE;
7607             }
7608
7609             break;
7610
7611           case SDL_JOYBALLMOTION:
7612             break;
7613
7614           case SDL_JOYBUTTONUP:
7615             for (j = 0; j < i; j++)
7616               if (steps[j].button == event.jbutton.button)
7617                 break;
7618
7619             if (j == i)
7620             {
7621               step->button = event.jbutton.button;
7622               strcat(mapping, step->field);
7623               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
7624               strcat(mapping, temp);
7625               i++;
7626               next = TRUE;
7627             }
7628
7629             break;
7630
7631           case SDL_FINGERDOWN:
7632           case SDL_MOUSEBUTTONDOWN:
7633             // skip this step
7634             i++;
7635             next = TRUE;
7636
7637             break;
7638
7639           case SDL_KEYDOWN:
7640             if (event.key.keysym.sym == KSYM_BackSpace ||
7641                 event.key.keysym.sym == KSYM_Back)
7642             {
7643               if (i == 0)
7644               {
7645                 // leave screen
7646                 success = FALSE;
7647                 done = TRUE;
7648
7649                 break;
7650               }
7651
7652               // undo this step
7653               prev_step = &steps[i - 1];
7654               strcpy(mapping, prev_step->mapping);
7655               i--;
7656               next = TRUE;
7657
7658               break;
7659             }
7660
7661             if (event.key.keysym.sym == KSYM_space ||
7662                 event.key.keysym.sym == KSYM_Return ||
7663                 event.key.keysym.sym == KSYM_Menu)
7664             {
7665               // skip this step
7666               i++;
7667               next = TRUE;
7668
7669               break;
7670             }
7671
7672             if (event.key.keysym.sym == KSYM_Escape)
7673             {
7674               // leave screen
7675               success = FALSE;
7676               done = TRUE;
7677             }
7678
7679             break;
7680
7681           case SDL_QUIT:
7682             program.exit_function(0);
7683             break;
7684
7685           default:
7686             break;
7687         }
7688
7689         // do not handle events for longer than standard frame delay period
7690         if (DelayReached(&event_frame_delay, event_frame_delay_value))
7691           break;
7692       }
7693     }
7694   }
7695
7696   if (success)
7697   {
7698 #if DEBUG_JOYSTICKS
7699     Error(ERR_DEBUG, "New game controller mapping:\n\n%s\n\n", mapping);
7700 #endif
7701
7702     // activate mapping for this game
7703     SDL_GameControllerAddMapping(mapping);
7704
7705     // save mapping to personal mappings
7706     SaveSetup_AddGameControllerMapping(mapping);
7707   }
7708
7709   // wait until the last pending event was removed from event queue
7710   while (NextValidEvent(&event));
7711
7712   return success;
7713 }
7714
7715 static int ConfigureJoystickMain(int player_nr)
7716 {
7717   char *device_name = setup.input[player_nr].joy.device_name;
7718   int joystick_nr = getJoystickNrFromDeviceName(device_name);
7719   boolean joystick_active = CheckJoystickOpened(joystick_nr);
7720   int success = FALSE;
7721   int i;
7722
7723   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
7724     return JOYSTICK_NOT_AVAILABLE;
7725
7726   if (!joystick_active || !setup.input[player_nr].use_joystick)
7727     return JOYSTICK_NOT_AVAILABLE;
7728
7729   FadeSetEnterMenu();
7730   FadeOut(REDRAW_FIELD);
7731
7732   // close all joystick devices (potentially opened as game controllers)
7733   for (i = 0; i < SDL_NumJoysticks(); i++)
7734     SDLCloseJoystick(i);
7735
7736   // open joystick device as plain joystick to configure as game controller
7737   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
7738
7739   // as the joystick was successfully opened before, this should not happen
7740   if (joystick == NULL)
7741     return FALSE;
7742
7743   // create new game controller mapping (buttons and axes) for joystick device
7744   success = ConfigureJoystickMapButtonsAndAxes(joystick);
7745
7746   // close joystick (and maybe re-open as configured game controller later)
7747   SDL_JoystickClose(joystick);
7748
7749   // re-open all joystick devices (potentially as game controllers)
7750   for (i = 0; i < SDL_NumJoysticks(); i++)
7751     SDLOpenJoystick(i);
7752
7753   // clear all joystick input actions for all joystick devices
7754   SDLClearJoystickState();
7755
7756   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
7757 }
7758
7759 void ConfigureJoystick(int player_nr)
7760 {
7761   boolean state = ConfigureJoystickMain(player_nr);
7762
7763   if (state != JOYSTICK_NOT_CONFIGURED)
7764   {
7765     boolean success = (state == JOYSTICK_CONFIGURED);
7766     char message1[MAX_OUTPUT_LINESIZE + 1];
7767     char *message2 = (success ? "configured!" : "not available!");
7768     char *device_name = setup.input[player_nr].joy.device_name;
7769     int nr = getJoystickNrFromDeviceName(device_name) + 1;
7770     int font_nr = FONT_TITLE_1;
7771     int font_height = getFontHeight(font_nr);
7772     int ypos1 = SYSIZE / 2 - font_height * 2;
7773     int ypos2 = SYSIZE / 2 - font_height * 1;
7774     unsigned int wait_frame_delay = 0;
7775     unsigned int wait_frame_delay_value = 2000;
7776
7777     ResetDelayCounter(&wait_frame_delay);
7778
7779     ClearField();
7780
7781     sprintf(message1, "Joystick %d", nr);
7782
7783     DrawTextSCentered(ypos1, font_nr, message1);
7784     DrawTextSCentered(ypos2, font_nr, message2);
7785
7786     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7787       BackToFront();
7788
7789     ClearEventQueue();
7790   }
7791
7792   DrawSetupScreen_Input();
7793 }
7794
7795 static boolean ConfigureVirtualButtonsMain(void)
7796 {
7797   static char *customize_step_text[] =
7798   {
7799     "Move Left",
7800     "Move Right",
7801     "Move Up",
7802     "Move Down",
7803     "Snap Field",
7804     "Drop Element"
7805   };
7806   char grid_button[] =
7807   {
7808     CHAR_GRID_BUTTON_LEFT,
7809     CHAR_GRID_BUTTON_RIGHT,
7810     CHAR_GRID_BUTTON_UP,
7811     CHAR_GRID_BUTTON_DOWN,
7812     CHAR_GRID_BUTTON_SNAP,
7813     CHAR_GRID_BUTTON_DROP
7814   };
7815   int font_nr = FONT_INPUT_1_ACTIVE;
7816   int font_height = getFontHeight(font_nr);
7817   int ypos1 = SYSIZE / 2 - font_height * 2;
7818   int ypos2 = SYSIZE / 2 - font_height * 1;
7819   boolean success = FALSE;
7820   boolean finished = FALSE;
7821   int step_nr = 0;
7822   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
7823   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7824   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7825   boolean set_grid_button = FALSE;
7826   int nr = GRID_ACTIVE_NR();
7827   int x, y;
7828
7829   for (x = 0; x < MAX_GRID_XSIZE; x++)
7830     for (y = 0; y < MAX_GRID_YSIZE; y++)
7831       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
7832
7833   overlay.grid_button_highlight = grid_button[step_nr];
7834
7835   FadeSetEnterMenu();
7836   FadeOut(REDRAW_FIELD);
7837
7838   ClearField();
7839
7840   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
7841   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
7842   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
7843
7844   FadeIn(REDRAW_FIELD);
7845
7846   SetOverlayShowGrid(TRUE);
7847
7848   while (!finished)
7849   {
7850     Event event;
7851
7852     while (NextValidEvent(&event))
7853     {
7854       switch (event.type)
7855       {
7856         case EVENT_KEYPRESS:
7857           {
7858             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7859
7860             // press 'Escape' to abort and keep the old key bindings
7861             if (key == KSYM_Escape)
7862             {
7863               for (x = 0; x < MAX_GRID_XSIZE; x++)
7864                 for (y = 0; y < MAX_GRID_YSIZE; y++)
7865                   overlay.grid_button[x][y] = grid_button_old[x][y];
7866
7867               FadeSkipNextFadeIn();
7868
7869               finished = TRUE;
7870
7871               break;
7872             }
7873
7874             // press 'Enter' to keep the existing key binding
7875             if (key == KSYM_Return ||
7876                 key == KSYM_Menu ||
7877                 key == KSYM_space)
7878             {
7879               step_nr++;
7880             }
7881             else if (key == KSYM_BackSpace ||
7882                      key == KSYM_Back)
7883             {
7884               if (step_nr == 0)
7885               {
7886                 FadeSkipNextFadeIn();
7887
7888                 finished = TRUE;
7889
7890                 break;
7891               }
7892
7893               step_nr--;
7894             }
7895             else
7896             {
7897               break;
7898             }
7899
7900             // all virtual buttons configured
7901             if (step_nr == 6)
7902             {
7903               finished = TRUE;
7904               success = TRUE;
7905
7906               break;
7907             }
7908
7909             for (x = 0; x < MAX_GRID_XSIZE; x++)
7910               for (y = 0; y < MAX_GRID_YSIZE; y++)
7911                 grid_button_tmp[x][y] = overlay.grid_button[x][y];
7912
7913             overlay.grid_button_highlight = grid_button[step_nr];
7914
7915             // query next virtual button
7916
7917             ClearField();
7918
7919             DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
7920             DrawTextSCentered(ypos1, font_nr, "Select tiles to");
7921             DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
7922           }
7923           break;
7924
7925         case EVENT_KEYRELEASE:
7926           key_joystick_mapping = 0;
7927           break;
7928
7929         case EVENT_BUTTONPRESS:
7930         case EVENT_BUTTONRELEASE:
7931           {
7932             ButtonEvent *button = (ButtonEvent *)&event;
7933
7934             button->x += video.screen_xoffset;
7935             button->y += video.screen_yoffset;
7936
7937             x = button->x * overlay.grid_xsize / video.screen_width;
7938             y = button->y * overlay.grid_ysize / video.screen_height;
7939
7940             if (button->type == EVENT_BUTTONPRESS)
7941             {
7942               button_status = button->button;
7943
7944               grid_button_draw =
7945                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
7946                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
7947
7948               set_grid_button = TRUE;
7949             }
7950             else
7951             {
7952               button_status = MB_RELEASED;
7953             }
7954           }
7955           break;
7956
7957         case EVENT_MOTIONNOTIFY:
7958           {
7959             MotionEvent *motion = (MotionEvent *)&event;
7960
7961             motion->x += video.screen_xoffset;
7962             motion->y += video.screen_yoffset;
7963
7964             x = motion->x * overlay.grid_xsize / video.screen_width;
7965             y = motion->y * overlay.grid_ysize / video.screen_height;
7966
7967             set_grid_button = TRUE;
7968           }
7969           break;
7970
7971         case SDL_WINDOWEVENT:
7972           HandleWindowEvent((WindowEvent *) &event);
7973
7974           // check if device has been rotated
7975           if (nr != GRID_ACTIVE_NR())
7976           {
7977             nr = GRID_ACTIVE_NR();
7978
7979             for (x = 0; x < MAX_GRID_XSIZE; x++)
7980               for (y = 0; y < MAX_GRID_YSIZE; y++)
7981                 grid_button_old[x][y] = grid_button_tmp[x][y] =
7982                   overlay.grid_button[x][y];
7983           }
7984
7985           break;
7986
7987         case SDL_APP_WILLENTERBACKGROUND:
7988         case SDL_APP_DIDENTERBACKGROUND:
7989         case SDL_APP_WILLENTERFOREGROUND:
7990         case SDL_APP_DIDENTERFOREGROUND:
7991           HandlePauseResumeEvent((PauseResumeEvent *) &event);
7992           break;
7993
7994         default:
7995           HandleOtherEvents(&event);
7996           break;
7997       }
7998
7999       if (set_grid_button)
8000       {
8001         overlay.grid_button[x][y] =
8002           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8003            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8004            grid_button_tmp[x][y]);
8005
8006         set_grid_button = FALSE;
8007       }
8008     }
8009
8010     BackToFront();
8011   }
8012
8013   for (x = 0; x < MAX_GRID_XSIZE; x++)
8014     for (y = 0; y < MAX_GRID_YSIZE; y++)
8015       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8016
8017   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8018
8019   SetOverlayShowGrid(FALSE);
8020
8021   return success;
8022 }
8023
8024 void ConfigureVirtualButtons(void)
8025 {
8026   boolean success = ConfigureVirtualButtonsMain();
8027
8028   if (success)
8029   {
8030     int font_nr = FONT_TITLE_1;
8031     int font_height = getFontHeight(font_nr);
8032     int ypos1 = SYSIZE / 2 - font_height * 2;
8033     int ypos2 = SYSIZE / 2 - font_height * 1;
8034     unsigned int wait_frame_delay = 0;
8035     unsigned int wait_frame_delay_value = 2000;
8036
8037     ResetDelayCounter(&wait_frame_delay);
8038
8039     ClearField();
8040
8041     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8042     DrawTextSCentered(ypos2, font_nr, "configured!");
8043
8044     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8045       BackToFront();
8046
8047     ClearEventQueue();
8048   }
8049 }
8050
8051 void DrawSetupScreen(void)
8052 {
8053   if (setup_mode == SETUP_MODE_INPUT)
8054     DrawSetupScreen_Input();
8055   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8056     DrawChooseTree(&game_speed_current);
8057   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8058     DrawChooseTree(&scroll_delay_current);
8059   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8060     DrawChooseTree(&snapshot_mode_current);
8061   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8062     DrawChooseTree(&window_size_current);
8063   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8064     DrawChooseTree(&scaling_type_current);
8065   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8066     DrawChooseTree(&rendering_mode_current);
8067   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8068     DrawChooseTree(&vsync_mode_current);
8069   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8070     DrawChooseTree(&artwork.gfx_current);
8071   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8072     DrawChooseTree(&artwork.snd_current);
8073   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8074     DrawChooseTree(&artwork.mus_current);
8075   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8076     DrawChooseTree(&volume_simple_current);
8077   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8078     DrawChooseTree(&volume_loops_current);
8079   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8080     DrawChooseTree(&volume_music_current);
8081   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8082     DrawChooseTree(&touch_control_current);
8083   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8084     DrawChooseTree(&move_distance_current);
8085   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8086     DrawChooseTree(&drop_distance_current);
8087   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8088     DrawChooseTree(&transparency_current);
8089   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8090     DrawChooseTree(&grid_size_current[0][0]);
8091   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8092     DrawChooseTree(&grid_size_current[0][1]);
8093   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8094     DrawChooseTree(&grid_size_current[1][0]);
8095   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8096     DrawChooseTree(&grid_size_current[1][1]);
8097   else
8098     DrawSetupScreen_Generic();
8099
8100   PlayMenuSoundsAndMusic();
8101 }
8102
8103 void RedrawSetupScreenAfterFullscreenToggle(void)
8104 {
8105   if (setup_mode == SETUP_MODE_GRAPHICS ||
8106       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8107   {
8108     // update list selection from "setup.window_scaling_percent"
8109     execSetupGraphics_setWindowSizes(TRUE);
8110
8111     DrawSetupScreen();
8112   }
8113 }
8114
8115 void RedrawSetupScreenAfterScreenRotation(int nr)
8116 {
8117   int x, y;
8118
8119   if (setup_mode == SETUP_MODE_TOUCH)
8120   {
8121     // update virtual button settings (depending on screen orientation)
8122     DrawSetupScreen();
8123   }
8124   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8125   {
8126     // save already configured virtual buttons
8127     for (x = 0; x < MAX_GRID_XSIZE; x++)
8128       for (y = 0; y < MAX_GRID_YSIZE; y++)
8129         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8130   }
8131 }
8132
8133 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8134 {
8135   if (setup_mode == SETUP_MODE_INPUT)
8136     HandleSetupScreen_Input(mx, my, dx, dy, button);
8137   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8138     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8139   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8140     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8141   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8142     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8143   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8144     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8145   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8146     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8147   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8148     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8149   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8150     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8151   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8152     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8153   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8154     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8155   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8156     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8157   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8158     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8159   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8160     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8161   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8162     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8163   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8164     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8165   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8166     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8167   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8168     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8169   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8170     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8171   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8172     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8173   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8174     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8175   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8176     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8177   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8178     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8179   else
8180     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8181 }
8182
8183 void HandleGameActions(void)
8184 {
8185   if (setup.ask_on_game_over)
8186     CheckGameOver();
8187
8188   if (game.restart_game_message != NULL)
8189   {
8190     RequestRestartGame(game.restart_game_message);
8191
8192     return;
8193   }
8194
8195   if (game_status != GAME_MODE_PLAYING)
8196     return;
8197
8198   GameActions();        // main game loop
8199
8200   if (tape.auto_play && !tape.playing)
8201     AutoPlayTape();     // continue automatically playing next tape
8202 }
8203
8204
8205 // ---------- new screen button stuff --------------------------------------
8206
8207 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
8208 {
8209   switch (gadget_id)
8210   {
8211     case SCREEN_CTRL_ID_PREV_LEVEL:
8212       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
8213       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
8214       break;
8215
8216     case SCREEN_CTRL_ID_NEXT_LEVEL:
8217       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
8218       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
8219       break;
8220
8221     case SCREEN_CTRL_ID_FIRST_LEVEL:
8222       *x = mSX + GDI_ACTIVE_POS(menu.main.button.first_level.x);
8223       *y = mSY + GDI_ACTIVE_POS(menu.main.button.first_level.y);
8224       break;
8225
8226     case SCREEN_CTRL_ID_LAST_LEVEL:
8227       *x = mSX + GDI_ACTIVE_POS(menu.main.button.last_level.x);
8228       *y = mSY + GDI_ACTIVE_POS(menu.main.button.last_level.y);
8229       break;
8230
8231     case SCREEN_CTRL_ID_LEVEL_NUMBER:
8232       *x = mSX + GDI_ACTIVE_POS(menu.main.button.level_number.x);
8233       *y = mSY + GDI_ACTIVE_POS(menu.main.button.level_number.y);
8234       break;
8235
8236     case SCREEN_CTRL_ID_PREV_PLAYER:
8237       *x = mSX + TILEX * 10;
8238       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
8239       break;
8240
8241     case SCREEN_CTRL_ID_NEXT_PLAYER:
8242       *x = mSX + TILEX * 12;
8243       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
8244       break;
8245
8246     case SCREEN_CTRL_ID_INSERT_SOLUTION:
8247       *x = mSX + GDI_ACTIVE_POS(menu.main.button.insert_solution.x);
8248       *y = mSY + GDI_ACTIVE_POS(menu.main.button.insert_solution.y);
8249       break;
8250
8251     case SCREEN_CTRL_ID_PLAY_SOLUTION:
8252       *x = mSX + GDI_ACTIVE_POS(menu.main.button.play_solution.x);
8253       *y = mSY + GDI_ACTIVE_POS(menu.main.button.play_solution.y);
8254       break;
8255
8256     default:
8257       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
8258   }
8259 }
8260
8261 static struct
8262 {
8263   int gfx_unpressed, gfx_pressed;
8264   void (*get_gadget_position)(int *, int *, int);
8265   int gadget_id;
8266   int screen_mask;
8267   unsigned int event_mask;
8268   char *infotext;
8269 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8270 {
8271   {
8272     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8273     getScreenMenuButtonPos,
8274     SCREEN_CTRL_ID_PREV_LEVEL,
8275     SCREEN_MASK_MAIN,
8276     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8277     "previous level"
8278   },
8279   {
8280     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8281     getScreenMenuButtonPos,
8282     SCREEN_CTRL_ID_NEXT_LEVEL,
8283     SCREEN_MASK_MAIN,
8284     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8285     "next level"
8286   },
8287   {
8288     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8289     getScreenMenuButtonPos,
8290     SCREEN_CTRL_ID_FIRST_LEVEL,
8291     SCREEN_MASK_MAIN,
8292     GD_EVENT_RELEASED,
8293     "first level"
8294   },
8295   {
8296     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8297     getScreenMenuButtonPos,
8298     SCREEN_CTRL_ID_LAST_LEVEL,
8299     SCREEN_MASK_MAIN,
8300     GD_EVENT_RELEASED,
8301     "last level"
8302   },
8303   {
8304     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8305     getScreenMenuButtonPos,
8306     SCREEN_CTRL_ID_LEVEL_NUMBER,
8307     SCREEN_MASK_MAIN,
8308     GD_EVENT_RELEASED,
8309     "level number"
8310   },
8311   {
8312     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8313     getScreenMenuButtonPos,
8314     SCREEN_CTRL_ID_PREV_PLAYER,
8315     SCREEN_MASK_INPUT,
8316     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8317     "previous player"
8318   },
8319   {
8320     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8321     getScreenMenuButtonPos,
8322     SCREEN_CTRL_ID_NEXT_PLAYER,
8323     SCREEN_MASK_INPUT,
8324     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8325     "next player"
8326   },
8327   {
8328     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8329     getScreenMenuButtonPos,
8330     SCREEN_CTRL_ID_INSERT_SOLUTION,
8331     SCREEN_MASK_MAIN_HAS_SOLUTION,
8332     GD_EVENT_RELEASED,
8333     "insert solution tape"
8334   },
8335   {
8336     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8337     getScreenMenuButtonPos,
8338     SCREEN_CTRL_ID_PLAY_SOLUTION,
8339     SCREEN_MASK_MAIN_HAS_SOLUTION,
8340     GD_EVENT_RELEASED,
8341     "play solution tape"
8342   },
8343 };
8344
8345 static struct
8346 {
8347   int gfx_unpressed, gfx_pressed;
8348   int x, y;
8349   int gadget_id;
8350   char *infotext;
8351 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8352 {
8353   {
8354     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8355     -1, -1,     // these values are not constant, but can change at runtime
8356     SCREEN_CTRL_ID_SCROLL_UP,
8357     "scroll up"
8358   },
8359   {
8360     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8361     -1, -1,     // these values are not constant, but can change at runtime
8362     SCREEN_CTRL_ID_SCROLL_DOWN,
8363     "scroll down"
8364   }
8365 };
8366
8367 static struct
8368 {
8369   int gfx_unpressed, gfx_pressed;
8370   int x, y;
8371   int width, height;
8372   int type;
8373   int gadget_id;
8374   char *infotext;
8375 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8376 {
8377   {
8378     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8379     -1, -1,     // these values are not constant, but can change at runtime
8380     -1, -1,     // these values are not constant, but can change at runtime
8381     GD_TYPE_SCROLLBAR_VERTICAL,
8382     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8383     "scroll level series vertically"
8384   }
8385 };
8386
8387 static struct
8388 {
8389   int graphic;
8390   int gadget_id;
8391   int x, y;
8392   int size;
8393   char *value;
8394   char *infotext;
8395 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8396 {
8397   {
8398     IMG_SETUP_INPUT_TEXT,
8399     SCREEN_CTRL_ID_NETWORK_SERVER,
8400     -1, -1,     // these values are not constant, but can change at runtime
8401     MAX_SETUP_TEXT_INPUT_LEN,
8402     network_server_hostname,
8403     "Network Server Hostname / IP"
8404   },
8405 };
8406
8407 static void CreateScreenMenubuttons(void)
8408 {
8409   struct GadgetInfo *gi;
8410   unsigned int event_mask;
8411   int i;
8412
8413   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8414   {
8415     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8416     int gfx_unpressed, gfx_pressed;
8417     int x, y, width, height;
8418     int gd_x1, gd_x2, gd_y1, gd_y2;
8419     int id = menubutton_info[i].gadget_id;
8420
8421     event_mask = menubutton_info[i].event_mask;
8422
8423     menubutton_info[i].get_gadget_position(&x, &y, id);
8424
8425     if (menubutton_info[i].screen_mask == SCREEN_MASK_MAIN_HAS_SOLUTION)
8426     {
8427       width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8428       height = graphic_info[menubutton_info[i].gfx_pressed].height;
8429     }
8430     else
8431     {
8432       width = SC_MENUBUTTON_XSIZE;
8433       height = SC_MENUBUTTON_YSIZE;
8434     }
8435
8436     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8437     gfx_pressed   = menubutton_info[i].gfx_pressed;
8438     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8439     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8440     gd_x1 = graphic_info[gfx_unpressed].src_x;
8441     gd_y1 = graphic_info[gfx_unpressed].src_y;
8442     gd_x2 = graphic_info[gfx_pressed].src_x;
8443     gd_y2 = graphic_info[gfx_pressed].src_y;
8444
8445     gi = CreateGadget(GDI_CUSTOM_ID, id,
8446                       GDI_CUSTOM_TYPE_ID, i,
8447                       GDI_IMAGE_ID, gfx_unpressed,
8448                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8449                       GDI_X, x,
8450                       GDI_Y, y,
8451                       GDI_WIDTH, width,
8452                       GDI_HEIGHT, height,
8453                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8454                       GDI_STATE, GD_BUTTON_UNPRESSED,
8455                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8456                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8457                       GDI_DIRECT_DRAW, FALSE,
8458                       GDI_EVENT_MASK, event_mask,
8459                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8460                       GDI_END);
8461
8462     if (gi == NULL)
8463       Error(ERR_EXIT, "cannot create gadget");
8464
8465     screen_gadget[id] = gi;
8466   }
8467 }
8468
8469 static void CreateScreenScrollbuttons(void)
8470 {
8471   struct GadgetInfo *gi;
8472   unsigned int event_mask;
8473   int i;
8474
8475   // these values are not constant, but can change at runtime
8476   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
8477   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
8478   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
8479   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
8480
8481   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8482   {
8483     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8484     int gfx_unpressed, gfx_pressed;
8485     int x, y, width, height;
8486     int gd_x1, gd_x2, gd_y1, gd_y2;
8487     int id = scrollbutton_info[i].gadget_id;
8488
8489     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8490
8491     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
8492     y = mSY + scrollbutton_info[i].y;
8493     width = SC_SCROLLBUTTON_XSIZE;
8494     height = SC_SCROLLBUTTON_YSIZE;
8495
8496     // correct scrollbar position if placed outside menu (playfield) area
8497     if (x > SX + SC_SCROLL_UP_XPOS)
8498       x = SX + SC_SCROLL_UP_XPOS;
8499
8500     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
8501       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
8502                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
8503
8504     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
8505     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
8506     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8507     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8508     gd_x1 = graphic_info[gfx_unpressed].src_x;
8509     gd_y1 = graphic_info[gfx_unpressed].src_y;
8510     gd_x2 = graphic_info[gfx_pressed].src_x;
8511     gd_y2 = graphic_info[gfx_pressed].src_y;
8512
8513     gi = CreateGadget(GDI_CUSTOM_ID, id,
8514                       GDI_CUSTOM_TYPE_ID, i,
8515                       GDI_IMAGE_ID, gfx_unpressed,
8516                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8517                       GDI_X, x,
8518                       GDI_Y, y,
8519                       GDI_WIDTH, width,
8520                       GDI_HEIGHT, height,
8521                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8522                       GDI_STATE, GD_BUTTON_UNPRESSED,
8523                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8524                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8525                       GDI_DIRECT_DRAW, FALSE,
8526                       GDI_EVENT_MASK, event_mask,
8527                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8528                       GDI_END);
8529
8530     if (gi == NULL)
8531       Error(ERR_EXIT, "cannot create gadget");
8532
8533     screen_gadget[id] = gi;
8534   }
8535 }
8536
8537 static void CreateScreenScrollbars(void)
8538 {
8539   int i;
8540
8541   // these values are not constant, but can change at runtime
8542   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
8543   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
8544   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
8545   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
8546
8547   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8548   {
8549     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8550     int gfx_unpressed, gfx_pressed;
8551     int x, y, width, height;
8552     int gd_x1, gd_x2, gd_y1, gd_y2;
8553     struct GadgetInfo *gi;
8554     int items_max, items_visible, item_position;
8555     unsigned int event_mask;
8556     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
8557     int id = scrollbar_info[i].gadget_id;
8558
8559     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8560
8561     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
8562     y = mSY + scrollbar_info[i].y;
8563     width  = scrollbar_info[i].width;
8564     height = scrollbar_info[i].height;
8565
8566     // correct scrollbar position if placed outside menu (playfield) area
8567     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
8568       x = SX + SC_SCROLL_VERTICAL_XPOS;
8569
8570     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
8571       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
8572
8573     items_max = num_page_entries;
8574     items_visible = num_page_entries;
8575     item_position = 0;
8576
8577     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
8578     gfx_pressed   = scrollbar_info[i].gfx_pressed;
8579     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8580     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8581     gd_x1 = graphic_info[gfx_unpressed].src_x;
8582     gd_y1 = graphic_info[gfx_unpressed].src_y;
8583     gd_x2 = graphic_info[gfx_pressed].src_x;
8584     gd_y2 = graphic_info[gfx_pressed].src_y;
8585
8586     gi = CreateGadget(GDI_CUSTOM_ID, id,
8587                       GDI_CUSTOM_TYPE_ID, i,
8588                       GDI_IMAGE_ID, gfx_unpressed,
8589                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8590                       GDI_X, x,
8591                       GDI_Y, y,
8592                       GDI_WIDTH, width,
8593                       GDI_HEIGHT, height,
8594                       GDI_TYPE, scrollbar_info[i].type,
8595                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8596                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8597                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8598                       GDI_WHEEL_AREA_X, SX,
8599                       GDI_WHEEL_AREA_Y, SY,
8600                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
8601                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
8602                       GDI_STATE, GD_BUTTON_UNPRESSED,
8603                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8604                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8605                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
8606                       GDI_DIRECT_DRAW, FALSE,
8607                       GDI_EVENT_MASK, event_mask,
8608                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8609                       GDI_END);
8610
8611     if (gi == NULL)
8612       Error(ERR_EXIT, "cannot create gadget");
8613
8614     screen_gadget[id] = gi;
8615   }
8616 }
8617
8618 static void CreateScreenTextInputGadgets(void)
8619 {
8620   int i;
8621
8622   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
8623   {
8624     int graphic = textinput_info[i].graphic;
8625     struct GraphicInfo *gd = &graphic_info[graphic];
8626     int gd_x1 = gd->src_x;
8627     int gd_y1 = gd->src_y;
8628     int gd_x2 = gd->src_x + gd->active_xoffset;
8629     int gd_y2 = gd->src_y + gd->active_yoffset;
8630     struct GadgetInfo *gi;
8631     unsigned int event_mask;
8632     int id = textinput_info[i].gadget_id;
8633     int x = textinput_info[i].x;
8634     int y = textinput_info[i].y;
8635
8636     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8637
8638     gi = CreateGadget(GDI_CUSTOM_ID, id,
8639                       GDI_CUSTOM_TYPE_ID, i,
8640                       GDI_INFO_TEXT, textinput_info[i].infotext,
8641                       GDI_X, SX + x,
8642                       GDI_Y, SY + y,
8643                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8644                       GDI_TEXT_VALUE, textinput_info[i].value,
8645                       GDI_TEXT_SIZE, textinput_info[i].size,
8646                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
8647                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
8648                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8649                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8650                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8651                       GDI_DESIGN_WIDTH, gd->width,
8652                       GDI_EVENT_MASK, event_mask,
8653                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8654                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
8655                       GDI_END);
8656
8657     if (gi == NULL)
8658       Error(ERR_EXIT, "cannot create gadget");
8659
8660     screen_gadget[id] = gi;
8661   }
8662 }
8663
8664 void CreateScreenGadgets(void)
8665 {
8666   CreateScreenMenubuttons();
8667
8668   CreateScreenScrollbuttons();
8669   CreateScreenScrollbars();
8670
8671   CreateScreenTextInputGadgets();
8672 }
8673
8674 void FreeScreenGadgets(void)
8675 {
8676   int i;
8677
8678   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
8679     FreeGadget(screen_gadget[i]);
8680 }
8681
8682 void MapScreenMenuGadgets(int screen_mask)
8683 {
8684   int i;
8685
8686   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8687     if (screen_mask & menubutton_info[i].screen_mask)
8688       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8689 }
8690
8691 static void UnmapScreenMenuGadgets(int screen_mask)
8692 {
8693   int i;
8694
8695   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8696   {
8697     if (screen_mask & menubutton_info[i].screen_mask)
8698     {
8699       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8700
8701       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
8702         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
8703                        screen_gadget[menubutton_info[i].gadget_id]->y,
8704                        screen_gadget[menubutton_info[i].gadget_id]->width,
8705                        screen_gadget[menubutton_info[i].gadget_id]->height);
8706     }
8707   }
8708 }
8709
8710 void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
8711 {
8712   if (map_gadgets)
8713     MapScreenMenuGadgets(screen_mask);
8714   else
8715     UnmapScreenMenuGadgets(screen_mask);
8716 }
8717
8718 void MapScreenGadgets(int num_entries)
8719 {
8720   int i;
8721
8722   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
8723     return;
8724
8725   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8726     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
8727
8728   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8729     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
8730 }
8731
8732 void MapScreenTreeGadgets(TreeInfo *ti)
8733 {
8734   MapScreenGadgets(numTreeInfoInGroup(ti));
8735 }
8736
8737 static void HandleScreenGadgets(struct GadgetInfo *gi)
8738 {
8739   int id = gi->custom_id;
8740   int button = gi->event.button;
8741   int step = (button == MB_LEFTBUTTON   ? 1 :
8742               button == MB_MIDDLEBUTTON ? 5 :
8743               button == MB_RIGHTBUTTON  ? 10 : 1);
8744
8745   switch (id)
8746   {
8747     case SCREEN_CTRL_ID_PREV_LEVEL:
8748       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
8749       break;
8750
8751     case SCREEN_CTRL_ID_NEXT_LEVEL:
8752       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
8753       break;
8754
8755     case SCREEN_CTRL_ID_FIRST_LEVEL:
8756       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
8757       break;
8758
8759     case SCREEN_CTRL_ID_LAST_LEVEL:
8760       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
8761       break;
8762
8763     case SCREEN_CTRL_ID_LEVEL_NUMBER:
8764       CloseDoor(DOOR_CLOSE_2);
8765       SetGameStatus(GAME_MODE_LEVELNR);
8766       DrawChooseLevelNr();
8767       break;
8768
8769     case SCREEN_CTRL_ID_PREV_PLAYER:
8770       HandleSetupScreen_Input_Player(step, -1);
8771       break;
8772
8773     case SCREEN_CTRL_ID_NEXT_PLAYER:
8774       HandleSetupScreen_Input_Player(step, +1);
8775       break;
8776
8777     case SCREEN_CTRL_ID_INSERT_SOLUTION:
8778       InsertSolutionTape();
8779       break;
8780
8781     case SCREEN_CTRL_ID_PLAY_SOLUTION:
8782       PlaySolutionTape();
8783       break;
8784
8785     case SCREEN_CTRL_ID_SCROLL_UP:
8786       if (game_status == GAME_MODE_LEVELS)
8787         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8788       else if (game_status == GAME_MODE_LEVELNR)
8789         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8790       else if (game_status == GAME_MODE_SETUP)
8791         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8792       else if (game_status == GAME_MODE_INFO)
8793         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8794       break;
8795
8796     case SCREEN_CTRL_ID_SCROLL_DOWN:
8797       if (game_status == GAME_MODE_LEVELS)
8798         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8799       else if (game_status == GAME_MODE_LEVELNR)
8800         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8801       else if (game_status == GAME_MODE_SETUP)
8802         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8803       else if (game_status == GAME_MODE_INFO)
8804         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8805       break;
8806
8807     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
8808       if (game_status == GAME_MODE_LEVELS)
8809         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
8810       else if (game_status == GAME_MODE_LEVELNR)
8811         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
8812       else if (game_status == GAME_MODE_SETUP)
8813         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
8814       else if (game_status == GAME_MODE_INFO)
8815         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
8816       break;
8817
8818     case SCREEN_CTRL_ID_NETWORK_SERVER:
8819     {
8820       if (!strEqual(gi->textinput.value, ""))
8821       {
8822         setString(&setup.network_server_hostname, gi->textinput.value);
8823
8824         network.server_host = setup.network_server_hostname;
8825       }
8826       else
8827       {
8828         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
8829
8830         network.server_host = NULL;
8831       }
8832
8833       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
8834         network.server_host = NULL;
8835
8836       execSetupGame_setNetworkServerText();
8837
8838       DrawSetupScreen();
8839
8840       break;
8841     }
8842
8843     default:
8844       break;
8845   }
8846 }
8847
8848 void DumpScreenIdentifiers(void)
8849 {
8850   int i;
8851
8852   Print("Active screen elements on current screen:\n");
8853
8854   for (i = 0; main_controls[i].nr != -1; i++)
8855   {
8856     struct MainControlInfo *mci = &main_controls[i];
8857
8858     if (mci->button_graphic != -1)
8859     {
8860       char *token = getTokenFromImageID(mci->button_graphic);
8861
8862       Print("- '%s'\n", token);
8863     }
8864   }
8865
8866   Print("Done.\n");
8867 }
8868
8869 boolean DoScreenAction(int image_id)
8870 {
8871   int i;
8872
8873   if (game_status != GAME_MODE_MAIN)
8874     return FALSE;
8875
8876   for (i = 0; main_controls[i].nr != -1; i++)
8877   {
8878     struct MainControlInfo *mci = &main_controls[i];
8879     struct MenuPosInfo *pos = mci->pos_button;
8880
8881     if (mci->button_graphic == image_id)
8882     {
8883       int x = mSX + pos->x;
8884       int y = mSY + pos->y;
8885
8886       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
8887
8888       return TRUE;
8889     }
8890   }
8891
8892   return FALSE;
8893 }