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 static int align_xoffset = 0;
 527 static int align_yoffset = 0;
 528
 529 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 530                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 531                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 532                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 533
 534 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 535 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 536                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 537                                  INFO_MODE_MAIN)
 538
 539 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 540                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 541                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 542                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 543                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 544                                  SETUP_MODE_CHOOSE_OTHER)
 545
 546 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 547                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 548                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 549 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 550                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 551                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 552 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 553                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 554                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 555
 556 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 557                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 558                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 559 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 560                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 561                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 562 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 563                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 564                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 565
 566 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 567                                  DRAW_XOFFSET_INFO(info_mode) :         \
 568                                  (s) == GAME_MODE_SETUP ?               \
 569                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 570                                  menu.draw_xoffset[DRAW_MODE(s)])
 571 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 572                                  DRAW_YOFFSET_INFO(info_mode) :         \
 573                                  (s) == GAME_MODE_SETUP ?               \
 574                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 575                                  menu.draw_yoffset[DRAW_MODE(s)])
 576 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 577                                  EXTRA_SPACING_INFO(info_mode) :        \
 578                                  (s) == GAME_MODE_SETUP ?               \
 579                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 580                                  menu.extra_spacing[DRAW_MODE(s)])
 581
 582 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 583 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 584
 585 #define amSX                    (mSX + align_xoffset)
 586 #define amSY                    (mSY + align_yoffset)
 587
 588 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 589                                     menu.list_size[game_status] :       \
 590                                     MAX_MENU_ENTRIES_ON_SCREEN)
 591
 592 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 593                                          NUM_MENU_ENTRIES_ON_SCREEN)
 594
 595
 596 // title display and control definitions
 597
 598 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 599                                  2 * MAX_NUM_TITLE_MESSAGES)
 600
 601 #define NO_DIRECT_LEVEL_SELECT  (-1)
 602
 603
 604 static int num_title_screens = 0;
 605
 606 struct TitleControlInfo
 607 {
 608   boolean is_image;
 609   boolean initial;
 610   boolean first;
 611   int local_nr;
 612   int sort_priority;
 613 };
 614
 615 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 616
 617 // main menu display and control definitions
 618
 619 #define MAIN_CONTROL_NAME                       0
 620 #define MAIN_CONTROL_LEVELS                     1
 621 #define MAIN_CONTROL_SCORES                     2
 622 #define MAIN_CONTROL_EDITOR                     3
 623 #define MAIN_CONTROL_INFO                       4
 624 #define MAIN_CONTROL_GAME                       5
 625 #define MAIN_CONTROL_SETUP                      6
 626 #define MAIN_CONTROL_QUIT                       7
 627 #define MAIN_CONTROL_PREV_LEVEL                 8
 628 #define MAIN_CONTROL_NEXT_LEVEL                 9
 629 #define MAIN_CONTROL_FIRST_LEVEL                10
 630 #define MAIN_CONTROL_LAST_LEVEL                 11
 631 #define MAIN_CONTROL_LEVEL_NUMBER               12
 632 #define MAIN_CONTROL_LEVEL_INFO_1               13
 633 #define MAIN_CONTROL_LEVEL_INFO_2               14
 634 #define MAIN_CONTROL_LEVEL_NAME                 15
 635 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 636 #define MAIN_CONTROL_LEVEL_YEAR                 17
 637 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 638 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 639 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 640 #define MAIN_CONTROL_TITLE_1                    21
 641 #define MAIN_CONTROL_TITLE_2                    22
 642 #define MAIN_CONTROL_TITLE_3                    23
 643
 644 static char str_main_text_name[10];
 645 static char str_main_text_first_level[10];
 646 static char str_main_text_last_level[10];
 647 static char str_main_text_level_number[10];
 648
 649 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 650
 651 static char *main_text_name                     = str_main_text_name;
 652 static char *main_text_first_level              = str_main_text_first_level;
 653 static char *main_text_last_level               = str_main_text_last_level;
 654 static char *main_text_level_number             = str_main_text_level_number;
 655 static char *main_text_levels                   = "Levelset";
 656 static char *main_text_scores                   = "Hall Of Fame";
 657 static char *main_text_editor                   = "Level Creator";
 658 static char *main_text_info                     = "Info Screen";
 659 static char *main_text_game                     = "Start Game";
 660 static char *main_text_setup                    = "Setup";
 661 static char *main_text_quit                     = "Quit";
 662 static char *main_text_level_name               = level.name;
 663 static char *main_text_level_author             = level.author;
 664 static char *main_text_level_year               = NULL;
 665 static char *main_text_level_imported_from      = NULL;
 666 static char *main_text_level_imported_by        = NULL;
 667 static char *main_text_level_tested_by          = NULL;
 668 static char *main_text_title_1                  = NULL;
 669 static char *main_text_title_2                  = NULL;
 670 static char *main_text_title_3                  = NULL;
 671
 672 struct MainControlInfo
 673 {
 674   int nr;
 675
 676   struct MenuPosInfo *pos_button;
 677   int button_graphic;
 678
 679   struct TextPosInfo *pos_text;
 680   char **text;
 681
 682   struct TextPosInfo *pos_input;
 683   char **input;
 684 };
 685
 686 static struct MainControlInfo main_controls[] =
 687 {
 688   {
 689     MAIN_CONTROL_NAME,
 690     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 691     &menu.main.text.name,               &main_text_name,
 692     &menu.main.input.name,              &setup.player_name,
 693   },
 694   {
 695     MAIN_CONTROL_LEVELS,
 696     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 697     &menu.main.text.levels,             &main_text_levels,
 698     NULL,                               NULL,
 699   },
 700   {
 701     MAIN_CONTROL_SCORES,
 702     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 703     &menu.main.text.scores,             &main_text_scores,
 704     NULL,                               NULL,
 705   },
 706   {
 707     MAIN_CONTROL_EDITOR,
 708     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 709     &menu.main.text.editor,             &main_text_editor,
 710     NULL,                               NULL,
 711   },
 712   {
 713     MAIN_CONTROL_INFO,
 714     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 715     &menu.main.text.info,               &main_text_info,
 716     NULL,                               NULL,
 717   },
 718   {
 719     MAIN_CONTROL_GAME,
 720     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 721     &menu.main.text.game,               &main_text_game,
 722     NULL,                               NULL,
 723   },
 724   {
 725     MAIN_CONTROL_SETUP,
 726     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 727     &menu.main.text.setup,              &main_text_setup,
 728     NULL,                               NULL,
 729   },
 730   {
 731     MAIN_CONTROL_QUIT,
 732     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 733     &menu.main.text.quit,               &main_text_quit,
 734     NULL,                               NULL,
 735   },
 736   {
 737     MAIN_CONTROL_PREV_LEVEL,
 738     NULL,                               -1,
 739     NULL,                               NULL,
 740     NULL,                               NULL,
 741   },
 742   {
 743     MAIN_CONTROL_NEXT_LEVEL,
 744     NULL,                               -1,
 745     NULL,                               NULL,
 746     NULL,                               NULL,
 747   },
 748   {
 749     MAIN_CONTROL_FIRST_LEVEL,
 750     NULL,                               -1,
 751     &menu.main.text.first_level,        &main_text_first_level,
 752     NULL,                               NULL,
 753   },
 754   {
 755     MAIN_CONTROL_LAST_LEVEL,
 756     NULL,                               -1,
 757     &menu.main.text.last_level,         &main_text_last_level,
 758     NULL,                               NULL,
 759   },
 760   {
 761     MAIN_CONTROL_LEVEL_NUMBER,
 762     NULL,                               -1,
 763     &menu.main.text.level_number,       &main_text_level_number,
 764     NULL,                               NULL,
 765   },
 766   {
 767     MAIN_CONTROL_LEVEL_INFO_1,
 768     NULL,                               -1,
 769     &menu.main.text.level_info_1,       NULL,
 770     NULL,                               NULL,
 771   },
 772   {
 773     MAIN_CONTROL_LEVEL_INFO_2,
 774     NULL,                               -1,
 775     &menu.main.text.level_info_2,       NULL,
 776     NULL,                               NULL,
 777   },
 778   {
 779     MAIN_CONTROL_LEVEL_NAME,
 780     NULL,                               -1,
 781     &menu.main.text.level_name,         &main_text_level_name,
 782     NULL,                               NULL,
 783   },
 784   {
 785     MAIN_CONTROL_LEVEL_AUTHOR,
 786     NULL,                               -1,
 787     &menu.main.text.level_author,       &main_text_level_author,
 788     NULL,                               NULL,
 789   },
 790   {
 791     MAIN_CONTROL_LEVEL_YEAR,
 792     NULL,                               -1,
 793     &menu.main.text.level_year,         &main_text_level_year,
 794     NULL,                               NULL,
 795   },
 796   {
 797     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 798     NULL,                               -1,
 799     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 800     NULL,                               NULL,
 801   },
 802   {
 803     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 804     NULL,                               -1,
 805     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 806     NULL,                               NULL,
 807   },
 808   {
 809     MAIN_CONTROL_LEVEL_TESTED_BY,
 810     NULL,                               -1,
 811     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 812     NULL,                               NULL,
 813   },
 814   {
 815     MAIN_CONTROL_TITLE_1,
 816     NULL,                               -1,
 817     &menu.main.text.title_1,            &main_text_title_1,
 818     NULL,                               NULL,
 819   },
 820   {
 821     MAIN_CONTROL_TITLE_2,
 822     NULL,                               -1,
 823     &menu.main.text.title_2,            &main_text_title_2,
 824     NULL,                               NULL,
 825   },
 826   {
 827     MAIN_CONTROL_TITLE_3,
 828     NULL,                               -1,
 829     &menu.main.text.title_3,            &main_text_title_3,
 830     NULL,                               NULL,
 831   },
 832
 833   {
 834     -1,
 835     NULL,                               -1,
 836     NULL,                               NULL,
 837     NULL,                               NULL,
 838   }
 839 };
 840
 841
 842 static int getTitleScreenGraphic(int nr, boolean initial)
 843 {
 844   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 845 }
 846
 847 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 848 {
 849   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 850 }
 851
 852 #if 0
 853 static int getTitleScreenGameMode(boolean initial)
 854 {
 855   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 856 }
 857 #endif
 858
 859 static int getTitleMessageGameMode(boolean initial)
 860 {
 861   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 862 }
 863
 864 static int getTitleAnimMode(struct TitleControlInfo *tci)
 865 {
 866   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 867
 868   return base + tci->local_nr;
 869 }
 870
 871 #if 0
 872 static int getTitleScreenBackground(boolean initial)
 873 {
 874   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 875 }
 876 #endif
 877
 878 #if 0
 879 static int getTitleMessageBackground(int nr, boolean initial)
 880 {
 881   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 882 }
 883 #endif
 884
 885 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 886 {
 887   int base = (is_image ?
 888               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 889                          IMG_BACKGROUND_TITLESCREEN_1) :
 890               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 891                          IMG_BACKGROUND_TITLEMESSAGE_1));
 892   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 893                                   IMG_BACKGROUND_TITLE);
 894   int graphic_local = base + nr;
 895
 896   if (graphic_info[graphic_local].bitmap != NULL)
 897     return graphic_local;
 898
 899   if (graphic_info[graphic_global].bitmap != NULL)
 900     return graphic_global;
 901
 902   return IMG_UNDEFINED;
 903 }
 904
 905 static int getTitleSound(struct TitleControlInfo *tci)
 906 {
 907   boolean is_image = tci->is_image;
 908   int initial = tci->initial;
 909   int nr = tci->local_nr;
 910   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 911   int base = (is_image ?
 912               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 913                          SND_BACKGROUND_TITLESCREEN_1) :
 914               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 915                          SND_BACKGROUND_TITLEMESSAGE_1));
 916   int sound_global = menu.sound[mode];
 917   int sound_local = base + nr;
 918
 919 #if 0
 920   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 921          nr, initial, is_image,
 922          sound_global, getSoundListEntry(sound_global)->filename,
 923          sound_local, getSoundListEntry(sound_local)->filename);
 924 #endif
 925
 926   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 927     return sound_local;
 928
 929   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 930     return sound_global;
 931
 932   return SND_UNDEFINED;
 933 }
 934
 935 static int getTitleMusic(struct TitleControlInfo *tci)
 936 {
 937   boolean is_image = tci->is_image;
 938   int initial = tci->initial;
 939   int nr = tci->local_nr;
 940   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 941   int base = (is_image ?
 942               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 943                          MUS_BACKGROUND_TITLESCREEN_1) :
 944               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 945                          MUS_BACKGROUND_TITLEMESSAGE_1));
 946   int music_global = menu.music[mode];
 947   int music_local = base + nr;
 948
 949 #if 0
 950   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 951          nr, initial, is_image,
 952          music_global, getMusicListEntry(music_global)->filename,
 953          music_local, getMusicListEntry(music_local)->filename);
 954 #endif
 955
 956   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 957     return music_local;
 958
 959   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 960     return music_global;
 961
 962   return MUS_UNDEFINED;
 963 }
 964
 965 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 966 {
 967   boolean is_image = tci->is_image;
 968   boolean initial = tci->initial;
 969   boolean first = tci->first;
 970   int nr = tci->local_nr;
 971   struct TitleMessageInfo tmi;
 972   struct TitleFadingInfo ti;
 973
 974   tmi = (is_image ? (initial ? (first ?
 975                                 titlescreen_initial_first[nr] :
 976                                 titlescreen_initial[nr])
 977                              : (first ?
 978                                 titlescreen_first[nr] :
 979                                 titlescreen[nr]))
 980                   : (initial ? (first ?
 981                                 titlemessage_initial_first[nr] :
 982                                 titlemessage_initial[nr])
 983                              : (first ?
 984                                 titlemessage_first[nr] :
 985                                 titlemessage[nr])));
 986
 987   ti.fade_mode  = tmi.fade_mode;
 988   ti.fade_delay = tmi.fade_delay;
 989   ti.post_delay = tmi.post_delay;
 990   ti.auto_delay = tmi.auto_delay;
 991
 992   return ti;
 993 }
 994
 995 static int compareTitleControlInfo(const void *object1, const void *object2)
 996 {
 997   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 998   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 999   int compare_result;
1000
1001   if (tci1->initial != tci2->initial)
1002     compare_result = (tci1->initial ? -1 : +1);
1003   else if (tci1->sort_priority != tci2->sort_priority)
1004     compare_result = tci1->sort_priority - tci2->sort_priority;
1005   else if (tci1->is_image != tci2->is_image)
1006     compare_result = (tci1->is_image ? -1 : +1);
1007   else
1008     compare_result = tci1->local_nr - tci2->local_nr;
1009
1010   return compare_result;
1011 }
1012
1013 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1014                                                     boolean initial,
1015                                                     int nr, int sort_priority)
1016 {
1017   title_controls[num_title_screens].is_image = is_image;
1018   title_controls[num_title_screens].initial = initial;
1019   title_controls[num_title_screens].local_nr = nr;
1020   title_controls[num_title_screens].sort_priority = sort_priority;
1021
1022   title_controls[num_title_screens].first = FALSE;      // will be set later
1023
1024   num_title_screens++;
1025 }
1026
1027 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1028 {
1029   int i;
1030
1031   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1032   {
1033     int graphic = getTitleScreenGraphic(i, initial);
1034     Bitmap *bitmap = graphic_info[graphic].bitmap;
1035     int sort_priority = graphic_info[graphic].sort_priority;
1036
1037     if (bitmap != NULL)
1038       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1039   }
1040
1041   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1042   {
1043     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1044     char *filename = getLevelSetTitleMessageFilename(i, initial);
1045     int sort_priority = tmi->sort_priority;
1046
1047     if (filename != NULL)
1048       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1049   }
1050 }
1051
1052 static void InitializeTitleControls(boolean show_title_initial)
1053 {
1054   num_title_screens = 0;
1055
1056   // 1st step: initialize title screens for game start (only when starting)
1057   if (show_title_initial)
1058     InitializeTitleControls_CheckTitleInfo(TRUE);
1059
1060   // 2nd step: initialize title screens for current level set
1061   InitializeTitleControls_CheckTitleInfo(FALSE);
1062
1063   // sort title screens according to sort_priority and title number
1064   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1065         compareTitleControlInfo);
1066
1067   // mark first title screen
1068   title_controls[0].first = TRUE;
1069 }
1070
1071 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1072 {
1073   return (pos != NULL && pos->x != -1 && pos->y != -1);
1074 }
1075
1076 static boolean visibleTextPos(struct TextPosInfo *pos)
1077 {
1078   return (pos != NULL && pos->x != -1 && pos->y != -1);
1079 }
1080
1081 static void InitializeMainControls(void)
1082 {
1083   boolean local_team_mode = (!network.enabled && setup.team_mode);
1084   int i;
1085
1086   // set main control text values to dynamically determined values
1087   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1088
1089   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1090                                          menu.main.text.first_level.size));
1091   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1092                                          menu.main.text.last_level.size));
1093   strcpy(main_text_level_number, int2str(level_nr,
1094                                          menu.main.text.level_number.size));
1095
1096   main_text_level_year          = leveldir_current->year;
1097   main_text_level_imported_from = leveldir_current->imported_from;
1098   main_text_level_imported_by   = leveldir_current->imported_by;
1099   main_text_level_tested_by     = leveldir_current->tested_by;
1100
1101   main_text_title_1 = getConfigProgramTitleString();
1102   main_text_title_2 = getConfigProgramCopyrightString();
1103   main_text_title_3 = getConfigProgramCompanyString();
1104
1105   // set main control screen positions to dynamically determined values
1106   for (i = 0; main_controls[i].nr != -1; i++)
1107   {
1108     struct MainControlInfo *mci = &main_controls[i];
1109     int nr                         = mci->nr;
1110     struct MenuPosInfo *pos_button = mci->pos_button;
1111     struct TextPosInfo *pos_text   = mci->pos_text;
1112     struct TextPosInfo *pos_input  = mci->pos_input;
1113     char *text                     = (mci->text  ? *mci->text  : NULL);
1114     char *input                    = (mci->input ? *mci->input : NULL);
1115     int button_graphic             = mci->button_graphic;
1116     int font_text                  = (pos_text  ? pos_text->font  : -1);
1117     int font_input                 = (pos_input ? pos_input->font : -1);
1118
1119     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1120     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1121     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1122     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1123     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1124     int input_chars = (input != NULL ? strlen(input) : 0);
1125
1126     int button_width =
1127       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1128     int button_height =
1129       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1130     int text_width   = font_text_width * text_chars;
1131     int text_height  = font_text_height;
1132     int input_width  = font_input_width * input_chars;
1133     int input_height = font_input_height;
1134
1135     if (nr == MAIN_CONTROL_NAME)
1136     {
1137       menu.main.input.name.width  = input_width;
1138       menu.main.input.name.height = input_height;
1139     }
1140
1141     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1142     {
1143       pos_button->width  = button_width;
1144       pos_button->height = button_height;
1145     }
1146
1147     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1148     {
1149       // calculate text size -- needed for text alignment
1150       boolean calculate_text_size = (text != NULL);
1151
1152       if (pos_text->width == -1 || calculate_text_size)
1153         pos_text->width = text_width;
1154       if (pos_text->height == -1 || calculate_text_size)
1155         pos_text->height = text_height;
1156
1157       if (visibleMenuPos(pos_button))
1158       {
1159         if (pos_text->x == -1)
1160           pos_text->x = pos_button->x + pos_button->width;
1161         if (pos_text->y == -1)
1162           pos_text->y =
1163             pos_button->y + (pos_button->height - pos_text->height) / 2;
1164       }
1165     }
1166
1167     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1168     {
1169       if (visibleTextPos(pos_text))
1170       {
1171         if (pos_input->x == -1)
1172           pos_input->x = pos_text->x + pos_text->width;
1173         if (pos_input->y == -1)
1174           pos_input->y = pos_text->y;
1175       }
1176
1177       if (pos_input->width == -1)
1178         pos_input->width = input_width;
1179       if (pos_input->height == -1)
1180         pos_input->height = input_height;
1181     }
1182   }
1183 }
1184
1185 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1186                                        int graphic, boolean pressed)
1187 {
1188   struct GraphicInfo *g = &graphic_info[graphic];
1189   Bitmap *src_bitmap;
1190   int src_x, src_y;
1191   int xoffset = (pressed ? g->pressed_xoffset : 0);
1192   int yoffset = (pressed ? g->pressed_yoffset : 0);
1193
1194   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1195
1196   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1197                    g->width, g->height, dst_x, dst_y);
1198 }
1199
1200 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1201                                        boolean active_input,
1202                                        boolean pressed_button)
1203 {
1204   int i;
1205
1206   for (i = 0; main_controls[i].nr != -1; i++)
1207   {
1208     struct MainControlInfo *mci = &main_controls[i];
1209
1210     if (mci->nr == nr || nr == -1)
1211     {
1212       struct MenuPosInfo *pos_button = mci->pos_button;
1213       struct TextPosInfo *pos_text   = mci->pos_text;
1214       struct TextPosInfo *pos_input  = mci->pos_input;
1215       char *text                     = (mci->text  ? *mci->text  : NULL);
1216       char *input                    = (mci->input ? *mci->input : NULL);
1217       int button_graphic             = mci->button_graphic;
1218       int font_text                  = (pos_text  ? pos_text->font  : -1);
1219       int font_input                 = (pos_input ? pos_input->font : -1);
1220
1221       if (active_text)
1222       {
1223         button_graphic = BUTTON_ACTIVE(button_graphic);
1224         font_text = FONT_ACTIVE(font_text);
1225       }
1226
1227       if (active_input)
1228       {
1229         font_input = FONT_ACTIVE(font_input);
1230       }
1231
1232       if (visibleMenuPos(pos_button))
1233       {
1234         struct MenuPosInfo *pos = pos_button;
1235         int x = mSX + pos->x;
1236         int y = mSY + pos->y;
1237
1238         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1239         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1240       }
1241
1242       if (visibleTextPos(pos_text) && text != NULL)
1243       {
1244         struct TextPosInfo *pos = pos_text;
1245         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1246         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1247
1248 #if 1
1249         // (check why/if this is needed)
1250         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1251 #endif
1252         DrawText(x, y, text, font_text);
1253       }
1254
1255       if (visibleTextPos(pos_input) && input != NULL)
1256       {
1257         struct TextPosInfo *pos = pos_input;
1258         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1259         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1260
1261 #if 1
1262         // (check why/if this is needed)
1263         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1264 #endif
1265         DrawText(x, y, input, font_input);
1266       }
1267     }
1268   }
1269 }
1270
1271 static void DrawCursorAndText_Main(int nr, boolean active_text,
1272                                    boolean pressed_button)
1273 {
1274   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1275 }
1276
1277 #if 0
1278 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1279                                          boolean pressed_button)
1280 {
1281   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1282 }
1283 #endif
1284
1285 static struct MainControlInfo *getMainControlInfo(int nr)
1286 {
1287   int i;
1288
1289   for (i = 0; main_controls[i].nr != -1; i++)
1290     if (main_controls[i].nr == nr)
1291       return &main_controls[i];
1292
1293   return NULL;
1294 }
1295
1296 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1297 {
1298   if (rect == NULL)
1299     return FALSE;
1300
1301   int rect_x = ALIGNED_TEXT_XPOS(rect);
1302   int rect_y = ALIGNED_TEXT_YPOS(rect);
1303
1304   return (x >= rect_x && x < rect_x + rect->width &&
1305           y >= rect_y && y < rect_y + rect->height);
1306 }
1307
1308 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1309 {
1310   if (rect == NULL)
1311     return FALSE;
1312
1313   int rect_x = ALIGNED_TEXT_XPOS(rect);
1314   int rect_y = ALIGNED_TEXT_YPOS(rect);
1315
1316 #if 0
1317   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1318          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1319          (x >= rect_x && x < rect_x + rect->width &&
1320           y >= rect_y && y < rect_y + rect->height));
1321 #endif
1322
1323   return (x >= rect_x && x < rect_x + rect->width &&
1324           y >= rect_y && y < rect_y + rect->height);
1325 }
1326
1327 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1328 {
1329   int rect_width  = preview->xsize * preview->tile_size;
1330   int rect_height = preview->ysize * preview->tile_size;
1331   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1332   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1333
1334   return (x >= rect_x && x < rect_x + rect_width &&
1335           y >= rect_y && y < rect_y + rect_height);
1336 }
1337
1338 static void AdjustScrollbar(int id, int items_max, int items_visible,
1339                             int item_position)
1340 {
1341   struct GadgetInfo *gi = screen_gadget[id];
1342
1343   if (item_position > items_max - items_visible)
1344     item_position = items_max - items_visible;
1345
1346   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1347                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1348                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1349 }
1350
1351 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1352 {
1353   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1354                   first_entry);
1355 }
1356
1357 static void clearMenuListArea(void)
1358 {
1359   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1360
1361   // correct scrollbar position if placed outside menu (playfield) area
1362   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1363     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1364
1365   // clear menu list area, but not title or scrollbar
1366   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1367                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1368 }
1369
1370 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1371 {
1372   static int cursor_array[MAX_LEV_FIELDY];
1373   int x = amSX + TILEX * xpos;
1374   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1375
1376   if (xpos == 0)
1377   {
1378     if (graphic != -1)
1379       cursor_array[ypos] = graphic;
1380     else
1381       graphic = cursor_array[ypos];
1382   }
1383
1384   if (active)
1385     graphic = BUTTON_ACTIVE(graphic);
1386
1387   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1388   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1389 }
1390
1391 static void initCursor(int ypos, int graphic)
1392 {
1393   drawCursorExt(0, ypos, FALSE, graphic);
1394 }
1395
1396 static void drawCursor(int ypos, boolean active)
1397 {
1398   drawCursorExt(0, ypos, active, -1);
1399 }
1400
1401 static void drawCursorXY(int xpos, int ypos, int graphic)
1402 {
1403   drawCursorExt(xpos, ypos, FALSE, graphic);
1404 }
1405
1406 static void drawChooseTreeCursor(int ypos, boolean active)
1407 {
1408   drawCursorExt(0, ypos, active, -1);
1409 }
1410
1411 static void DrawHeadline(void)
1412 {
1413   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1414   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1415 }
1416
1417 static void DrawTitleScreenImage(int nr, boolean initial)
1418 {
1419   int graphic = getTitleScreenGraphic(nr, initial);
1420   Bitmap *bitmap = graphic_info[graphic].bitmap;
1421   int width  = graphic_info[graphic].width;
1422   int height = graphic_info[graphic].height;
1423   int src_x = graphic_info[graphic].src_x;
1424   int src_y = graphic_info[graphic].src_y;
1425   int dst_x, dst_y;
1426
1427   if (bitmap == NULL)
1428     return;
1429
1430   if (width > WIN_XSIZE)
1431   {
1432     // image width too large for window => center image horizontally
1433     src_x = (width - WIN_XSIZE) / 2;
1434     width = WIN_XSIZE;
1435   }
1436
1437   if (height > WIN_YSIZE)
1438   {
1439     // image height too large for window => center image vertically
1440     src_y = (height - WIN_YSIZE) / 2;
1441     height = WIN_YSIZE;
1442   }
1443
1444   // always display title screens centered
1445   dst_x = (WIN_XSIZE - width) / 2;
1446   dst_y = (WIN_YSIZE - height) / 2;
1447
1448   SetDrawBackgroundMask(REDRAW_ALL);
1449   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1450
1451   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1452
1453   if (DrawingOnBackground(dst_x, dst_y))
1454     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1455   else
1456     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1457
1458   redraw_mask = REDRAW_ALL;
1459 }
1460
1461 static void DrawTitleScreenMessage(int nr, boolean initial)
1462 {
1463   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1464   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1465
1466   if (filename == NULL)
1467     return;
1468
1469   // force TITLE font on title message screen
1470   SetFontStatus(getTitleMessageGameMode(initial));
1471
1472   // if chars *and* width set to "-1", automatically determine width
1473   if (tmi->chars == -1 && tmi->width == -1)
1474     tmi->width = viewport.window[game_status].width;
1475
1476   // if lines *and* height set to "-1", automatically determine height
1477   if (tmi->lines == -1 && tmi->height == -1)
1478     tmi->height = viewport.window[game_status].height;
1479
1480   // if chars set to "-1", automatically determine by text and font width
1481   if (tmi->chars == -1)
1482     tmi->chars = tmi->width / getFontWidth(tmi->font);
1483   else
1484     tmi->width = tmi->chars * getFontWidth(tmi->font);
1485
1486   // if lines set to "-1", automatically determine by text and font height
1487   if (tmi->lines == -1)
1488     tmi->lines = tmi->height / getFontHeight(tmi->font);
1489   else
1490     tmi->height = tmi->lines * getFontHeight(tmi->font);
1491
1492   // if x set to "-1", automatically determine by width and alignment
1493   if (tmi->x == -1)
1494     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1495
1496   // if y set to "-1", automatically determine by height and alignment
1497   if (tmi->y == -1)
1498     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1499
1500   SetDrawBackgroundMask(REDRAW_ALL);
1501   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1502
1503   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1504
1505   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1506                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1507                tmi->autowrap, tmi->centered, tmi->parse_comments);
1508
1509   ResetFontStatus();
1510 }
1511
1512 static void DrawTitleScreen(void)
1513 {
1514   KeyboardAutoRepeatOff();
1515
1516   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1517 }
1518
1519 static boolean CheckTitleScreen(boolean levelset_has_changed)
1520 {
1521   static boolean show_title_initial = TRUE;
1522   boolean show_titlescreen = FALSE;
1523
1524   // needed to be able to skip title screen, if no image or message defined
1525   InitializeTitleControls(show_title_initial);
1526
1527   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1528     show_titlescreen = TRUE;
1529
1530   // show initial title images and messages only once at program start
1531   show_title_initial = FALSE;
1532
1533   return (show_titlescreen && num_title_screens > 0);
1534 }
1535
1536 void DrawMainMenu(void)
1537 {
1538   static LevelDirTree *leveldir_last_valid = NULL;
1539   boolean levelset_has_changed = FALSE;
1540   int fade_mask = REDRAW_FIELD;
1541
1542   LimitScreenUpdates(FALSE);
1543
1544   FadeSetLeaveScreen();
1545
1546   // do not fade out here -- function may continue and fade on editor screen
1547
1548   UnmapAllGadgets();
1549   FadeMenuSoundsAndMusic();
1550
1551   ExpireSoundLoops(FALSE);
1552
1553   KeyboardAutoRepeatOn();
1554
1555   audio.sound_deactivated = FALSE;
1556
1557   GetPlayerConfig();
1558
1559   // needed if last screen was the playing screen, invoked from level editor
1560   if (level_editor_test_game)
1561   {
1562     CloseDoor(DOOR_CLOSE_ALL);
1563
1564     SetGameStatus(GAME_MODE_EDITOR);
1565
1566     DrawLevelEd();
1567
1568     return;
1569   }
1570
1571   // needed if last screen was the setup screen and fullscreen state changed
1572   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1573   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1574
1575   // leveldir_current may be invalid (level group, parent link)
1576   if (!validLevelSeries(leveldir_current))
1577     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1578
1579   if (leveldir_current != leveldir_last_valid)
1580     levelset_has_changed = TRUE;
1581
1582   // store valid level series information
1583   leveldir_last_valid = leveldir_current;
1584
1585   init_last = init;                     // switch to new busy animation
1586
1587   // needed if last screen (level choice) changed graphics, sounds or music
1588   ReloadCustomArtwork(0);
1589
1590   if (CheckTitleScreen(levelset_has_changed))
1591   {
1592     SetGameStatus(GAME_MODE_TITLE);
1593
1594     DrawTitleScreen();
1595
1596     return;
1597   }
1598
1599   if (redraw_mask & REDRAW_ALL)
1600     fade_mask = REDRAW_ALL;
1601
1602   if (CheckFadeAll())
1603     fade_mask = REDRAW_ALL;
1604
1605   FadeOut(fade_mask);
1606
1607   // needed if different viewport properties defined for menues
1608   ChangeViewportPropertiesIfNeeded();
1609
1610   SetDrawtoField(DRAW_TO_BACKBUFFER);
1611
1612   // level_nr may have been set to value over handicap with level editor
1613   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1614     level_nr = leveldir_current->handicap_level;
1615
1616   LoadLevel(level_nr);
1617   LoadScore(level_nr);
1618
1619   SaveLevelSetup_SeriesInfo();
1620
1621   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1622   SetDrawDeactivationMask(REDRAW_NONE);
1623   SetDrawBackgroundMask(REDRAW_FIELD);
1624
1625   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1626
1627 #if 0
1628   if (fade_mask == REDRAW_ALL)
1629     RedrawGlobalBorder();
1630 #endif
1631
1632   ClearField();
1633
1634   InitializeMainControls();
1635
1636   DrawCursorAndText_Main(-1, FALSE, FALSE);
1637   DrawPreviewLevelInitial();
1638   DrawNetworkPlayers();
1639
1640   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1641
1642   TapeStop();
1643   if (TAPE_IS_EMPTY(tape))
1644     LoadTape(level_nr);
1645   DrawCompleteVideoDisplay();
1646
1647   PlayMenuSoundsAndMusic();
1648
1649   // create gadgets for main menu screen
1650   FreeScreenGadgets();
1651   CreateScreenGadgets();
1652
1653   // may be required if audio buttons shown on tape and changed in setup menu
1654   FreeGameButtons();
1655   CreateGameButtons();
1656
1657   // map gadgets for main menu screen
1658   MapTapeButtons();
1659   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1660   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1661
1662   // copy actual game door content to door double buffer for OpenDoor()
1663   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1664   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1665
1666   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1667
1668   DrawMaskedBorder(fade_mask);
1669
1670   FadeIn(fade_mask);
1671   FadeSetEnterMenu();
1672
1673   // update screen area with special editor door
1674   redraw_mask |= REDRAW_ALL;
1675   BackToFront();
1676
1677   SetMouseCursor(CURSOR_DEFAULT);
1678
1679   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1680 }
1681
1682 static void gotoTopLevelDir(void)
1683 {
1684   // move upwards until inside (but not above) top level directory
1685   while (leveldir_current->node_parent &&
1686          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1687   {
1688     // write a "path" into level tree for easy navigation to last level
1689     if (leveldir_current->node_parent->node_group->cl_first == -1)
1690     {
1691       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1692       int leveldir_pos = posTreeInfo(leveldir_current);
1693       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1694       int cl_first, cl_cursor;
1695
1696       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1697       cl_cursor = leveldir_pos - cl_first;
1698
1699       leveldir_current->node_parent->node_group->cl_first = cl_first;
1700       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1701     }
1702
1703     leveldir_current = leveldir_current->node_parent;
1704   }
1705 }
1706
1707 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1708 {
1709   static unsigned int title_delay = 0;
1710   static int title_screen_nr = 0;
1711   static int last_sound = -1, last_music = -1;
1712   boolean return_to_main_menu = FALSE;
1713   struct TitleControlInfo *tci;
1714   int sound, music;
1715
1716   if (button == MB_MENU_INITIALIZE)
1717   {
1718     title_delay = 0;
1719     title_screen_nr = 0;
1720     tci = &title_controls[title_screen_nr];
1721
1722     SetAnimStatus(getTitleAnimMode(tci));
1723
1724     last_sound = SND_UNDEFINED;
1725     last_music = MUS_UNDEFINED;
1726
1727     if (num_title_screens != 0)
1728     {
1729       FadeSetEnterScreen();
1730
1731       // use individual title fading instead of global "enter screen" fading
1732       fading = getTitleFading(tci);
1733     }
1734
1735     if (game_status_last_screen == GAME_MODE_INFO)
1736     {
1737       if (num_title_screens == 0)
1738       {
1739         // switch game mode from title screen mode back to info screen mode
1740         SetGameStatus(GAME_MODE_INFO);
1741
1742         // store that last screen was info screen, not main menu screen
1743         game_status_last_screen = GAME_MODE_INFO;
1744
1745         DrawInfoScreen_NotAvailable("Title screen information:",
1746                                     "No title screen for this level set.");
1747         return;
1748       }
1749     }
1750
1751     FadeMenuSoundsAndMusic();
1752
1753     FadeOut(REDRAW_ALL);
1754
1755     // title screens may have different window size
1756     ChangeViewportPropertiesIfNeeded();
1757
1758     // only required to update logic for redrawing global border
1759     ClearField();
1760
1761     if (tci->is_image)
1762       DrawTitleScreenImage(tci->local_nr, tci->initial);
1763     else
1764       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1765
1766     sound = getTitleSound(tci);
1767     music = getTitleMusic(tci);
1768
1769     if (sound != last_sound)
1770       PlayMenuSoundExt(sound);
1771     if (music != last_music)
1772       PlayMenuMusicExt(music);
1773
1774     last_sound = sound;
1775     last_music = music;
1776
1777     SetMouseCursor(CURSOR_NONE);
1778
1779     FadeIn(REDRAW_ALL);
1780
1781     DelayReached(&title_delay, 0);      // reset delay counter
1782
1783     return;
1784   }
1785
1786   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1787     button = MB_MENU_CHOICE;
1788
1789   if (button == MB_MENU_LEAVE)
1790   {
1791     return_to_main_menu = TRUE;
1792   }
1793   else if (button == MB_MENU_CHOICE)
1794   {
1795     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1796     {
1797       SetGameStatus(GAME_MODE_INFO);
1798
1799       info_mode = INFO_MODE_MAIN;
1800
1801       DrawInfoScreen();
1802
1803       return;
1804     }
1805
1806     title_screen_nr++;
1807
1808     if (title_screen_nr < num_title_screens)
1809     {
1810       tci = &title_controls[title_screen_nr];
1811
1812       SetAnimStatus(getTitleAnimMode(tci));
1813
1814       sound = getTitleSound(tci);
1815       music = getTitleMusic(tci);
1816
1817       if (last_sound != SND_UNDEFINED && sound != last_sound)
1818         FadeSound(last_sound);
1819       if (last_music != MUS_UNDEFINED && music != last_music)
1820         FadeMusic();
1821
1822       fading = getTitleFading(tci);
1823
1824       FadeOut(REDRAW_ALL);
1825
1826       if (tci->is_image)
1827         DrawTitleScreenImage(tci->local_nr, tci->initial);
1828       else
1829         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1830
1831       sound = getTitleSound(tci);
1832       music = getTitleMusic(tci);
1833
1834       if (sound != last_sound)
1835         PlayMenuSoundExt(sound);
1836       if (music != last_music)
1837         PlayMenuMusicExt(music);
1838
1839       last_sound = sound;
1840       last_music = music;
1841
1842       FadeIn(REDRAW_ALL);
1843
1844       DelayReached(&title_delay, 0);    // reset delay counter
1845     }
1846     else
1847     {
1848       FadeMenuSoundsAndMusic();
1849
1850       return_to_main_menu = TRUE;
1851     }
1852   }
1853
1854   if (return_to_main_menu)
1855   {
1856     SetMouseCursor(CURSOR_DEFAULT);
1857
1858     // force full menu screen redraw after displaying title screens
1859     redraw_mask = REDRAW_ALL;
1860
1861     if (game_status_last_screen == GAME_MODE_INFO)
1862     {
1863       SetGameStatus(GAME_MODE_INFO);
1864
1865       info_mode = INFO_MODE_MAIN;
1866
1867       DrawInfoScreen();
1868     }
1869     else        // default: return to main menu
1870     {
1871       SetGameStatus(GAME_MODE_MAIN);
1872
1873       DrawMainMenu();
1874     }
1875   }
1876 }
1877
1878 static void HandleMainMenu_SelectLevel(int step, int direction,
1879                                        int selected_level_nr)
1880 {
1881   int old_level_nr = level_nr;
1882   int new_level_nr;
1883
1884   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1885     new_level_nr = selected_level_nr;
1886   else
1887     new_level_nr = old_level_nr + step * direction;
1888
1889   if (new_level_nr < leveldir_current->first_level)
1890     new_level_nr = leveldir_current->first_level;
1891   if (new_level_nr > leveldir_current->last_level)
1892     new_level_nr = leveldir_current->last_level;
1893
1894   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1895   {
1896     // skipping levels is only allowed when trying to skip single level
1897     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1898         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1899     {
1900       leveldir_current->handicap_level++;
1901       SaveLevelSetup_SeriesInfo();
1902     }
1903
1904     new_level_nr = leveldir_current->handicap_level;
1905   }
1906
1907   if (new_level_nr != old_level_nr)
1908   {
1909     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1910
1911     PlaySound(SND_MENU_ITEM_SELECTING);
1912
1913     level_nr = new_level_nr;
1914
1915     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1916              int2str(level_nr, menu.main.text.level_number.size),
1917              mci->pos_text->font);
1918
1919     LoadLevel(level_nr);
1920     DrawPreviewLevelInitial();
1921
1922     TapeErase();
1923     LoadTape(level_nr);
1924     DrawCompleteVideoDisplay();
1925
1926     SaveLevelSetup_SeriesInfo();
1927
1928     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1929
1930     // needed because DrawPreviewLevelInitial() takes some time
1931     BackToFront();
1932     // SyncDisplay();
1933   }
1934 }
1935
1936 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1937 {
1938   static int choice = MAIN_CONTROL_GAME;
1939   static boolean button_pressed_last = FALSE;
1940   boolean button_pressed = FALSE;
1941   int pos = choice;
1942   int i;
1943
1944   if (button == MB_MENU_INITIALIZE)
1945   {
1946     DrawCursorAndText_Main(choice, TRUE, FALSE);
1947
1948     return;
1949   }
1950
1951   if (mx || my)         // mouse input
1952   {
1953     pos = -1;
1954
1955     for (i = 0; main_controls[i].nr != -1; i++)
1956     {
1957       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1958           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1959           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1960       {
1961         pos = main_controls[i].nr;
1962
1963         break;
1964       }
1965     }
1966
1967     // check if level preview was clicked
1968     if (insidePreviewRect(&preview, mx - SX, my - SY))
1969       pos = MAIN_CONTROL_GAME;
1970
1971     // handle pressed/unpressed state for active/inactive menu buttons
1972     // (if pos != -1, "i" contains index position corresponding to "pos")
1973     if (button &&
1974         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1975         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1976       button_pressed = TRUE;
1977
1978     if (button_pressed != button_pressed_last)
1979     {
1980       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1981
1982       if (button_pressed)
1983         PlaySound(SND_MENU_BUTTON_PRESSING);
1984       else
1985         PlaySound(SND_MENU_BUTTON_RELEASING);
1986     }
1987   }
1988   else if (dx || dy)    // keyboard input
1989   {
1990     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1991                    choice == MAIN_CONTROL_SETUP))
1992       button = MB_MENU_CHOICE;
1993     else if (dy)
1994       pos = choice + dy;
1995   }
1996
1997   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1998   {
1999     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2000   }
2001   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2002   {
2003     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2004   }
2005   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2006   {
2007     CloseDoor(DOOR_CLOSE_2);
2008
2009     SetGameStatus(GAME_MODE_LEVELNR);
2010
2011     DrawChooseLevelNr();
2012   }
2013   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2014   {
2015     if (button)
2016     {
2017       if (pos != choice)
2018       {
2019         PlaySound(SND_MENU_ITEM_ACTIVATING);
2020
2021         DrawCursorAndText_Main(choice, FALSE, FALSE);
2022         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2023
2024         choice = pos;
2025       }
2026       else if (dx != 0)
2027       {
2028         if (choice != MAIN_CONTROL_INFO &&
2029             choice != MAIN_CONTROL_SETUP)
2030           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2031       }
2032     }
2033     else
2034     {
2035       PlaySound(SND_MENU_ITEM_SELECTING);
2036
2037       if (pos == MAIN_CONTROL_NAME)
2038       {
2039         if ((mx || my) &&
2040             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2041         {
2042           // special case: menu text "name/team" clicked -- toggle team mode
2043           setup.team_mode = !setup.team_mode;
2044
2045           InitializeMainControls();
2046           DrawCursorAndText_Main(choice, TRUE, FALSE);
2047
2048           DrawPreviewPlayers();
2049         }
2050         else
2051         {
2052           SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2053
2054           HandleTypeName(strlen(setup.player_name), 0);
2055         }
2056       }
2057       else if (pos == MAIN_CONTROL_LEVELS)
2058       {
2059         if (leveldir_first)
2060         {
2061           CloseDoor(DOOR_CLOSE_2);
2062
2063           SetGameStatus(GAME_MODE_LEVELS);
2064
2065           SaveLevelSetup_LastSeries();
2066           SaveLevelSetup_SeriesInfo();
2067
2068           if (setup.internal.choose_from_top_leveldir)
2069             gotoTopLevelDir();
2070
2071           DrawChooseLevelSet();
2072         }
2073       }
2074       else if (pos == MAIN_CONTROL_SCORES)
2075       {
2076         CloseDoor(DOOR_CLOSE_2);
2077
2078         SetGameStatus(GAME_MODE_SCORES);
2079
2080         DrawHallOfFame(level_nr, -1);
2081       }
2082       else if (pos == MAIN_CONTROL_EDITOR)
2083       {
2084         if (leveldir_current->readonly &&
2085             !strEqual(setup.player_name, "Artsoft"))
2086           Request("This level is read only!", REQ_CONFIRM);
2087
2088         CloseDoor(DOOR_CLOSE_2);
2089
2090         SetGameStatus(GAME_MODE_EDITOR);
2091
2092         FadeSetEnterScreen();
2093
2094         DrawLevelEd();
2095       }
2096       else if (pos == MAIN_CONTROL_INFO)
2097       {
2098         CloseDoor(DOOR_CLOSE_2);
2099
2100         SetGameStatus(GAME_MODE_INFO);
2101
2102         info_mode = INFO_MODE_MAIN;
2103
2104         DrawInfoScreen();
2105       }
2106       else if (pos == MAIN_CONTROL_GAME)
2107       {
2108         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2109       }
2110       else if (pos == MAIN_CONTROL_SETUP)
2111       {
2112         CloseDoor(DOOR_CLOSE_2);
2113
2114         SetGameStatus(GAME_MODE_SETUP);
2115
2116         setup_mode = SETUP_MODE_MAIN;
2117
2118         DrawSetupScreen();
2119       }
2120       else if (pos == MAIN_CONTROL_QUIT)
2121       {
2122         SaveLevelSetup_LastSeries();
2123         SaveLevelSetup_SeriesInfo();
2124
2125         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2126           SetGameStatus(GAME_MODE_QUIT);
2127       }
2128     }
2129   }
2130
2131   button_pressed_last = button_pressed;
2132 }
2133
2134
2135 // ============================================================================
2136 // info screen functions
2137 // ============================================================================
2138
2139 static struct TokenInfo *info_info;
2140 static int num_info_info;       // number of info entries shown on screen
2141 static int max_info_info;       // total number of info entries in list
2142
2143 static void execInfoTitleScreen(void)
2144 {
2145   info_mode = INFO_MODE_TITLE;
2146
2147   DrawInfoScreen();
2148 }
2149
2150 static void execInfoElements(void)
2151 {
2152   info_mode = INFO_MODE_ELEMENTS;
2153
2154   DrawInfoScreen();
2155 }
2156
2157 static void execInfoMusic(void)
2158 {
2159   info_mode = INFO_MODE_MUSIC;
2160
2161   DrawInfoScreen();
2162 }
2163
2164 static void execInfoCredits(void)
2165 {
2166   info_mode = INFO_MODE_CREDITS;
2167
2168   DrawInfoScreen();
2169 }
2170
2171 static void execInfoProgram(void)
2172 {
2173   info_mode = INFO_MODE_PROGRAM;
2174
2175   DrawInfoScreen();
2176 }
2177
2178 static void execInfoVersion(void)
2179 {
2180   info_mode = INFO_MODE_VERSION;
2181
2182   DrawInfoScreen();
2183 }
2184
2185 static void execInfoLevelSet(void)
2186 {
2187   info_mode = INFO_MODE_LEVELSET;
2188
2189   DrawInfoScreen();
2190 }
2191
2192 static void execExitInfo(void)
2193 {
2194   SetGameStatus(GAME_MODE_MAIN);
2195
2196   DrawMainMenu();
2197 }
2198
2199 static struct TokenInfo info_info_main[] =
2200 {
2201   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2202   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2203   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2204   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2205   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2206   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2207   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2208   { TYPE_EMPTY,         NULL,                   ""                      },
2209   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2210
2211   { 0,                  NULL,                   NULL                    }
2212 };
2213
2214 static int getMenuTextFont(int type)
2215 {
2216   if (type & (TYPE_SWITCH       |
2217               TYPE_YES_NO       |
2218               TYPE_YES_NO_AUTO  |
2219               TYPE_STRING       |
2220               TYPE_PLAYER       |
2221               TYPE_ECS_AGA      |
2222               TYPE_KEYTEXT      |
2223               TYPE_ENTER_LIST   |
2224               TYPE_TEXT_INPUT))
2225     return FONT_MENU_2;
2226   else
2227     return FONT_MENU_1;
2228 }
2229
2230 static struct TokenInfo *setup_info;
2231 static struct TokenInfo setup_info_input[];
2232
2233 static struct TokenInfo *menu_info;
2234
2235 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2236                                        int screen_pos, int menu_info_pos_raw,
2237                                        boolean active)
2238 {
2239   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2240   struct TokenInfo *ti = &token_info[pos];
2241   int xpos = MENU_SCREEN_START_XPOS;
2242   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2243   int font_nr = getMenuTextFont(ti->type);
2244
2245   if (setup_mode == SETUP_MODE_INPUT)
2246     font_nr = FONT_MENU_1;
2247
2248   if (active)
2249     font_nr = FONT_ACTIVE(font_nr);
2250
2251   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2252
2253   if (ti->type & ~TYPE_SKIP_ENTRY)
2254     drawCursor(screen_pos, active);
2255 }
2256
2257 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2258                                    boolean active)
2259 {
2260   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2261 }
2262
2263 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2264                                     boolean active)
2265 {
2266   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2267 }
2268
2269 static char *window_size_text;
2270 static char *scaling_type_text;
2271 static char *network_server_text;
2272
2273 static void drawSetupValue(int, int);
2274
2275 static void drawMenuInfoList(int first_entry, int num_page_entries,
2276                              int max_page_entries)
2277 {
2278   int i;
2279
2280   if (first_entry + num_page_entries > max_page_entries)
2281     first_entry = 0;
2282
2283   clearMenuListArea();
2284
2285   for (i = 0; i < num_page_entries; i++)
2286   {
2287     int menu_info_pos = first_entry + i;
2288     struct TokenInfo *si = &menu_info[menu_info_pos];
2289     void *value_ptr = si->value;
2290
2291     // set some entries to "unchangeable" according to other variables
2292     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2293         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2294         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2295         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2296         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2297         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2298       si->type |= TYPE_GHOSTED;
2299
2300     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2301       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2302     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2303       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2304     else if (si->type & ~TYPE_SKIP_ENTRY)
2305       initCursor(i, IMG_MENU_BUTTON);
2306
2307     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2308
2309     if (si->type & TYPE_STRING)
2310     {
2311       int gadget_id = -1;
2312
2313       if (value_ptr == &network_server_text)
2314         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2315
2316       if (gadget_id != -1)
2317       {
2318         struct GadgetInfo *gi = screen_gadget[gadget_id];
2319         int xpos = MENU_SCREEN_START_XPOS;
2320         int ypos = MENU_SCREEN_START_YPOS + i;
2321         int x = mSX + xpos * 32;
2322         int y = mSY + ypos * 32;
2323
2324         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2325       }
2326     }
2327
2328     if (si->type & TYPE_VALUE &&
2329         menu_info == setup_info)
2330       drawSetupValue(i, menu_info_pos);
2331   }
2332 }
2333
2334 static void DrawInfoScreen_Main(void)
2335 {
2336   int fade_mask = REDRAW_FIELD;
2337   int i;
2338
2339   if (redraw_mask & REDRAW_ALL)
2340     fade_mask = REDRAW_ALL;
2341
2342   if (CheckFadeAll())
2343     fade_mask = REDRAW_ALL;
2344
2345   UnmapAllGadgets();
2346   FadeMenuSoundsAndMusic();
2347
2348   FreeScreenGadgets();
2349   CreateScreenGadgets();
2350
2351   // (needed after displaying title screens which disable auto repeat)
2352   KeyboardAutoRepeatOn();
2353
2354   FadeSetLeaveScreen();
2355
2356   FadeOut(fade_mask);
2357
2358   // needed if different viewport properties defined for info screen
2359   ChangeViewportPropertiesIfNeeded();
2360
2361   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2362
2363   ClearField();
2364
2365   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2366
2367   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2368
2369   info_info = info_info_main;
2370
2371   // determine maximal number of info entries that can be displayed on screen
2372   num_info_info = 0;
2373   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2374     num_info_info++;
2375
2376   // determine maximal number of info entries available for menu of info screen
2377   max_info_info = 0;
2378   for (i = 0; info_info[i].type != 0; i++)
2379     max_info_info++;
2380
2381   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2382
2383   MapScreenGadgets(max_info_info);
2384
2385   PlayMenuSoundsAndMusic();
2386
2387   DrawMaskedBorder(fade_mask);
2388
2389   FadeIn(fade_mask);
2390 }
2391
2392 static void changeSetupValue(int, int, int);
2393
2394 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2395                              int mode, int num_page_entries,
2396                              int max_page_entries)
2397 {
2398   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2399   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2400   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2401   int *num_page_entries_last = num_page_entries_all_last[game_status];
2402   int *choice_store = choice_stores[game_status];
2403   int *first_entry_store = first_entry_stores[game_status];
2404   int choice = choice_store[mode];              // starts with 0
2405   int first_entry = first_entry_store[mode];    // starts with 0
2406   int x = 0;
2407   int y = choice - first_entry;
2408   int y_old = y;
2409   boolean position_set_by_scrollbar = (dx == 999);
2410   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2411   int i;
2412
2413   if (button == MB_MENU_INITIALIZE)
2414   {
2415     // check if number of menu page entries has changed (may happen by change
2416     // of custom artwork definition value for 'list_size' for this menu screen)
2417     // (in this case, the last menu position most probably has to be corrected)
2418     if (num_page_entries != num_page_entries_last[mode])
2419     {
2420       choice_store[mode] = first_entry_store[mode] = 0;
2421
2422       choice = first_entry = 0;
2423       y = y_old = 0;
2424
2425       num_page_entries_last[mode] = num_page_entries;
2426     }
2427
2428     // advance to first valid menu entry
2429     while (choice < num_page_entries &&
2430            menu_info[choice].type & TYPE_SKIP_ENTRY)
2431       choice++;
2432
2433     if (position_set_by_scrollbar)
2434       first_entry = first_entry_store[mode] = dy;
2435     else
2436       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2437                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2438
2439     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2440
2441     if (choice < first_entry)
2442     {
2443       choice = first_entry;
2444
2445       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2446         choice++;
2447     }
2448     else if (choice > first_entry + num_page_entries - 1)
2449     {
2450       choice = first_entry + num_page_entries - 1;
2451
2452       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2453         choice--;
2454     }
2455
2456     choice_store[mode] = choice;
2457
2458     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2459
2460     return;
2461   }
2462   else if (button == MB_MENU_LEAVE)
2463   {
2464     PlaySound(SND_MENU_ITEM_SELECTING);
2465
2466     for (i = 0; i < max_page_entries; i++)
2467     {
2468       if (menu_info[i].type & TYPE_LEAVE_MENU)
2469       {
2470         void (*menu_callback_function)(void) = menu_info[i].value;
2471
2472         FadeSetLeaveMenu();
2473
2474         menu_callback_function();
2475
2476         break;  // absolutely needed because function changes 'menu_info'!
2477       }
2478     }
2479
2480     return;
2481   }
2482
2483   if (mx || my)         // mouse input
2484   {
2485     x = (mx - mSX) / 32;
2486     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2487   }
2488   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2489   {
2490     // move cursor instead of scrolling when already at start/end of list
2491     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2492       dy = -1;
2493     else if (dy == +1 * SCROLL_LINE &&
2494              first_entry + num_page_entries == max_page_entries)
2495       dy = 1;
2496
2497     // handle scrolling screen one line or page
2498     if (y + dy < 0 ||
2499         y + dy > num_page_entries - 1)
2500     {
2501       boolean redraw = FALSE;
2502
2503       if (ABS(dy) == SCROLL_PAGE)
2504         step = num_page_entries - 1;
2505
2506       if (dy < 0 && first_entry > 0)
2507       {
2508         // scroll page/line up
2509
2510         first_entry -= step;
2511         if (first_entry < 0)
2512           first_entry = 0;
2513
2514         redraw = TRUE;
2515       }
2516       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2517       {
2518         // scroll page/line down
2519
2520         first_entry += step;
2521         if (first_entry + num_page_entries > max_page_entries)
2522           first_entry = MAX(0, max_page_entries - num_page_entries);
2523
2524         redraw = TRUE;
2525       }
2526
2527       if (redraw)
2528       {
2529         choice += first_entry - first_entry_store[mode];
2530
2531         if (choice < first_entry)
2532         {
2533           choice = first_entry;
2534
2535           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2536             choice++;
2537         }
2538         else if (choice > first_entry + num_page_entries - 1)
2539         {
2540           choice = first_entry + num_page_entries - 1;
2541
2542           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2543             choice--;
2544         }
2545         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2546         {
2547           choice += SIGN(dy);
2548
2549           if (choice < first_entry ||
2550               choice > first_entry + num_page_entries - 1)
2551           first_entry += SIGN(dy);
2552         }
2553
2554         first_entry_store[mode] = first_entry;
2555         choice_store[mode] = choice;
2556
2557         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2558
2559         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2560
2561         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2562                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2563       }
2564
2565       return;
2566     }
2567
2568     if (dx)
2569     {
2570       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2571
2572       if (menu_info[choice].type & menu_navigation_type ||
2573           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2574           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2575           menu_info[choice].type & TYPE_PLAYER)
2576         button = MB_MENU_CHOICE;
2577     }
2578     else if (dy)
2579       y += dy;
2580
2581     // jump to next non-empty menu entry (up or down)
2582     while (first_entry + y > 0 &&
2583            first_entry + y < max_page_entries - 1 &&
2584            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2585       y += dy;
2586
2587     if (!IN_VIS_MENU(x, y))
2588     {
2589       choice += y - y_old;
2590
2591       if (choice < first_entry)
2592         first_entry = choice;
2593       else if (choice > first_entry + num_page_entries - 1)
2594         first_entry = choice - num_page_entries + 1;
2595
2596       if (first_entry >= 0 &&
2597           first_entry + num_page_entries <= max_page_entries)
2598       {
2599         first_entry_store[mode] = first_entry;
2600
2601         if (choice < first_entry)
2602           choice = first_entry;
2603         else if (choice > first_entry + num_page_entries - 1)
2604           choice = first_entry + num_page_entries - 1;
2605
2606         choice_store[mode] = choice;
2607
2608         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2609
2610         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2611
2612         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2613                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2614       }
2615
2616       return;
2617     }
2618   }
2619
2620   if (!anyScrollbarGadgetActive() &&
2621       IN_VIS_MENU(x, y) &&
2622       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2623       y >= 0 && y < num_page_entries)
2624   {
2625     if (button)
2626     {
2627       if (first_entry + y != choice &&
2628           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2629       {
2630         PlaySound(SND_MENU_ITEM_ACTIVATING);
2631
2632         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2633         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2634
2635         choice = choice_store[mode] = first_entry + y;
2636       }
2637       else if (dx < 0)
2638       {
2639         PlaySound(SND_MENU_ITEM_SELECTING);
2640
2641         for (i = 0; menu_info[i].type != 0; i++)
2642         {
2643           if (menu_info[i].type & TYPE_LEAVE_MENU)
2644           {
2645             void (*menu_callback_function)(void) = menu_info[i].value;
2646
2647             FadeSetLeaveMenu();
2648
2649             menu_callback_function();
2650
2651             // absolutely needed because function changes 'menu_info'!
2652             break;
2653           }
2654         }
2655
2656         return;
2657       }
2658     }
2659     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2660     {
2661       PlaySound(SND_MENU_ITEM_SELECTING);
2662
2663       // when selecting key headline, execute function for key value change
2664       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2665           menu_info[first_entry + y + 1].type & TYPE_KEY)
2666         y++;
2667
2668       // when selecting string value, execute function for list selection
2669       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2670           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2671         y--;
2672
2673       // when selecting string value, execute function for text input gadget
2674       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2675           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2676         y--;
2677
2678       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2679       {
2680         void (*menu_callback_function)(void) =
2681           menu_info[first_entry + y].value;
2682
2683         FadeSetFromType(menu_info[first_entry + y].type);
2684
2685         menu_callback_function();
2686       }
2687       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2688       {
2689         void (*gadget_callback_function)(void) =
2690           menu_info[first_entry + y].value;
2691
2692         gadget_callback_function();
2693       }
2694       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2695                menu_info == setup_info)
2696       {
2697         changeSetupValue(y, first_entry + y, dx);
2698       }
2699     }
2700   }
2701 }
2702
2703 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2704 {
2705   menu_info = info_info;
2706
2707   HandleMenuScreen(mx, my, dx, dy, button,
2708                    info_mode, num_info_info, max_info_info);
2709 }
2710
2711 static int getMenuFontSpacing(int spacing_height, int font_nr)
2712 {
2713   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2714
2715   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2716           spacing_height);
2717 }
2718
2719 static int getMenuTextSpacing(int spacing_height, int font_nr)
2720 {
2721   return (getMenuFontSpacing(spacing_height, font_nr) +
2722           EXTRA_SPACING(game_status));
2723 }
2724
2725 static int getMenuTextStep(int spacing_height, int font_nr)
2726 {
2727   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2728 }
2729
2730 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2731 {
2732   int font_title = MENU_INFO_FONT_TITLE;
2733   int font_error = FONT_TEXT_2;
2734   int font_foot  = MENU_INFO_FONT_FOOT;
2735   int spacing_title = menu.headline1_spacing_info[info_mode];
2736   int ystep_title = getMenuTextStep(spacing_title, font_title);
2737   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2738   int ystart2 = ystart1 + ystep_title;
2739   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2740
2741   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2742
2743   FadeOut(REDRAW_FIELD);
2744
2745   ClearField();
2746   DrawHeadline();
2747
2748   DrawTextSCentered(ystart1, font_title, text_title);
2749   DrawTextSCentered(ystart2, font_error, text_error);
2750
2751   DrawTextSCentered(ybottom, font_foot,
2752                     "Press any key or button for info menu");
2753
2754   FadeIn(REDRAW_FIELD);
2755 }
2756
2757 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2758 {
2759   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2760   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2761   int font_title = MENU_INFO_FONT_TITLE;
2762   int font_foot  = MENU_INFO_FONT_FOOT;
2763   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2764   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2765   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2766   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2767   int ystep = MENU_SCREEN_INFO_YSTEP;
2768   int element, action, direction;
2769   int graphic;
2770   int delay;
2771   int sync_frame;
2772   int i, j;
2773
2774   if (init)
2775   {
2776     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2777       infoscreen_step[i] = infoscreen_frame[i] = 0;
2778
2779     ClearField();
2780     DrawHeadline();
2781
2782     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2783
2784     DrawTextSCentered(ybottom, font_foot,
2785                       "Press any key or button for next page");
2786
2787     FrameCounter = 0;
2788   }
2789
2790   i = j = 0;
2791   while (helpanim_info[j].element != HELPANIM_LIST_END)
2792   {
2793     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2794         i >= max_anims)
2795       break;
2796     else if (i < start)
2797     {
2798       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2799         j++;
2800
2801       j++;
2802       i++;
2803
2804       continue;
2805     }
2806
2807     j += infoscreen_step[i - start];
2808
2809     element = helpanim_info[j].element;
2810     action = helpanim_info[j].action;
2811     direction = helpanim_info[j].direction;
2812
2813     if (element < 0)
2814       element = EL_UNKNOWN;
2815
2816     if (action != -1 && direction != -1)
2817       graphic = el_act_dir2img(element, action, direction);
2818     else if (action != -1)
2819       graphic = el_act2img(element, action);
2820     else if (direction != -1)
2821       graphic = el_dir2img(element, direction);
2822     else
2823       graphic = el2img(element);
2824
2825     delay = helpanim_info[j++].delay;
2826
2827     if (delay == -1)
2828       delay = 1000000;
2829
2830     if (infoscreen_frame[i - start] == 0)
2831     {
2832       sync_frame = 0;
2833       infoscreen_frame[i - start] = delay - 1;
2834     }
2835     else
2836     {
2837       sync_frame = delay - infoscreen_frame[i - start];
2838       infoscreen_frame[i - start]--;
2839     }
2840
2841     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2842     {
2843       if (!infoscreen_frame[i - start])
2844         infoscreen_step[i - start] = 0;
2845     }
2846     else
2847     {
2848       if (!infoscreen_frame[i - start])
2849         infoscreen_step[i - start]++;
2850       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2851         j++;
2852     }
2853
2854     j++;
2855
2856     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2857                                TILEX, TILEY);
2858     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2859                                  graphic, sync_frame, USE_MASKING);
2860
2861     if (init)
2862       DrawInfoScreen_HelpText(element, action, direction, i - start);
2863
2864     i++;
2865   }
2866
2867   redraw_mask |= REDRAW_FIELD;
2868
2869   FrameCounter++;
2870 }
2871
2872 static char *getHelpText(int element, int action, int direction)
2873 {
2874   char token[MAX_LINE_LEN];
2875
2876   strcpy(token, element_info[element].token_name);
2877
2878   if (action != -1)
2879     strcat(token, element_action_info[action].suffix);
2880
2881   if (direction != -1)
2882     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2883
2884   return getHashEntry(helptext_info, token);
2885 }
2886
2887 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2888 {
2889   int font_nr = FONT_INFO_ELEMENTS;
2890   int font_width = getFontWidth(font_nr);
2891   int font_height = getFontHeight(font_nr);
2892   int yoffset = (TILEX - 2 * font_height) / 2;
2893   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2894   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2895   int ystep = TILEY + 4;
2896   int pad_left = xstart - SX;
2897   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2898   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2899   int max_lines_per_text = 2;
2900   char *text = NULL;
2901
2902   if (action != -1 && direction != -1)          // element.action.direction
2903     text = getHelpText(element, action, direction);
2904
2905   if (text == NULL && action != -1)             // element.action
2906     text = getHelpText(element, action, -1);
2907
2908   if (text == NULL && direction != -1)          // element.direction
2909     text = getHelpText(element, -1, direction);
2910
2911   if (text == NULL)                             // base element
2912     text = getHelpText(element, -1, -1);
2913
2914   if (text == NULL)                             // not found
2915     text = "No description available";
2916
2917   if (strlen(text) <= max_chars_per_line)       // only one line of text
2918     ystart += getFontHeight(font_nr) / 2;
2919
2920   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2921                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2922                  TRUE, FALSE, FALSE);
2923 }
2924
2925 static void DrawInfoScreen_TitleScreen(void)
2926 {
2927   SetGameStatus(GAME_MODE_TITLE);
2928
2929   DrawTitleScreen();
2930 }
2931
2932 void HandleInfoScreen_TitleScreen(int button)
2933 {
2934   HandleTitleScreen(0, 0, 0, 0, button);
2935 }
2936
2937 static void DrawInfoScreen_Elements(void)
2938 {
2939   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2940
2941   FadeOut(REDRAW_FIELD);
2942
2943   LoadHelpAnimInfo();
2944   LoadHelpTextInfo();
2945
2946   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2947
2948   FadeIn(REDRAW_FIELD);
2949 }
2950
2951 void HandleInfoScreen_Elements(int button)
2952 {
2953   static unsigned int info_delay = 0;
2954   static int num_anims;
2955   static int num_pages;
2956   static int page;
2957   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2958   int i;
2959
2960   if (button == MB_MENU_INITIALIZE)
2961   {
2962     boolean new_element = TRUE;
2963
2964     num_anims = 0;
2965
2966     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2967     {
2968       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2969         new_element = TRUE;
2970       else if (new_element)
2971       {
2972         num_anims++;
2973         new_element = FALSE;
2974       }
2975     }
2976
2977     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2978     page = 0;
2979   }
2980
2981   if (button == MB_MENU_LEAVE)
2982   {
2983     PlaySound(SND_MENU_ITEM_SELECTING);
2984
2985     info_mode = INFO_MODE_MAIN;
2986     DrawInfoScreen();
2987
2988     return;
2989   }
2990   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2991   {
2992     if (button != MB_MENU_INITIALIZE)
2993     {
2994       PlaySound(SND_MENU_ITEM_SELECTING);
2995
2996       page++;
2997     }
2998
2999     if (page >= num_pages)
3000     {
3001       FadeMenuSoundsAndMusic();
3002
3003       info_mode = INFO_MODE_MAIN;
3004       DrawInfoScreen();
3005
3006       return;
3007     }
3008
3009     if (page > 0)
3010       FadeSetNextScreen();
3011
3012     if (button != MB_MENU_INITIALIZE)
3013       FadeOut(REDRAW_FIELD);
3014
3015     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3016
3017     if (button != MB_MENU_INITIALIZE)
3018       FadeIn(REDRAW_FIELD);
3019   }
3020   else
3021   {
3022     if (DelayReached(&info_delay, GameFrameDelay))
3023       if (page < num_pages)
3024         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3025
3026     PlayMenuSoundIfLoop();
3027   }
3028 }
3029
3030 static void DrawInfoScreen_Music(void)
3031 {
3032   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3033
3034   FadeOut(REDRAW_FIELD);
3035
3036   ClearField();
3037   DrawHeadline();
3038
3039   LoadMusicInfo();
3040
3041   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3042
3043   FadeIn(REDRAW_FIELD);
3044 }
3045
3046 void HandleInfoScreen_Music(int button)
3047 {
3048   static struct MusicFileInfo *list = NULL;
3049   int font_title = MENU_INFO_FONT_TITLE;
3050   int font_head  = MENU_INFO_FONT_HEAD;
3051   int font_text  = MENU_INFO_FONT_TEXT;
3052   int font_foot  = MENU_INFO_FONT_FOOT;
3053   int spacing_title = menu.headline1_spacing_info[info_mode];
3054   int spacing_head  = menu.headline2_spacing_info[info_mode];
3055   int ystep_title = getMenuTextStep(spacing_title, font_title);
3056   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3057   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3058   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3059
3060   if (button == MB_MENU_INITIALIZE)
3061   {
3062     list = music_file_info;
3063
3064     if (list == NULL)
3065     {
3066       FadeMenuSoundsAndMusic();
3067
3068       ClearField();
3069       DrawHeadline();
3070
3071       DrawTextSCentered(ystart, font_title,
3072                         "No music info for this level set.");
3073
3074       DrawTextSCentered(ybottom, font_foot,
3075                         "Press any key or button for info menu");
3076
3077       return;
3078     }
3079   }
3080
3081   if (button == MB_MENU_LEAVE)
3082   {
3083     PlaySound(SND_MENU_ITEM_SELECTING);
3084
3085     FadeMenuSoundsAndMusic();
3086
3087     info_mode = INFO_MODE_MAIN;
3088     DrawInfoScreen();
3089
3090     return;
3091   }
3092   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3093   {
3094     if (button != MB_MENU_INITIALIZE)
3095     {
3096       PlaySound(SND_MENU_ITEM_SELECTING);
3097
3098       if (list != NULL)
3099         list = list->next;
3100     }
3101
3102     if (list == NULL)
3103     {
3104       FadeMenuSoundsAndMusic();
3105
3106       info_mode = INFO_MODE_MAIN;
3107       DrawInfoScreen();
3108
3109       return;
3110     }
3111
3112     FadeMenuSoundsAndMusic();
3113
3114     if (list != music_file_info)
3115       FadeSetNextScreen();
3116
3117     if (button != MB_MENU_INITIALIZE)
3118       FadeOut(REDRAW_FIELD);
3119
3120     ClearField();
3121     DrawHeadline();
3122
3123     if (list->is_sound)
3124     {
3125       int sound = list->music;
3126
3127       if (sound_info[sound].loop)
3128         PlaySoundLoop(sound);
3129       else
3130         PlaySound(sound);
3131
3132       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3133     }
3134     else
3135     {
3136       int music = list->music;
3137
3138       if (music_info[music].loop)
3139         PlayMusicLoop(music);
3140       else
3141         PlayMusic(music);
3142
3143       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3144     }
3145
3146     ystart += ystep_title;
3147
3148     if (!strEqual(list->title, UNKNOWN_NAME))
3149     {
3150       if (!strEqual(list->title_header, UNKNOWN_NAME))
3151       {
3152         DrawTextSCentered(ystart, font_head, list->title_header);
3153         ystart += ystep_head;
3154       }
3155
3156       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3157       ystart += ystep_head;
3158     }
3159
3160     if (!strEqual(list->artist, UNKNOWN_NAME))
3161     {
3162       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3163         DrawTextSCentered(ystart, font_head, list->artist_header);
3164       else
3165         DrawTextSCentered(ystart, font_head, "by");
3166
3167       ystart += ystep_head;
3168
3169       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3170       ystart += ystep_head;
3171     }
3172
3173     if (!strEqual(list->album, UNKNOWN_NAME))
3174     {
3175       if (!strEqual(list->album_header, UNKNOWN_NAME))
3176         DrawTextSCentered(ystart, font_head, list->album_header);
3177       else
3178         DrawTextSCentered(ystart, font_head, "from the album");
3179
3180       ystart += ystep_head;
3181
3182       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3183       ystart += ystep_head;
3184     }
3185
3186     if (!strEqual(list->year, UNKNOWN_NAME))
3187     {
3188       if (!strEqual(list->year_header, UNKNOWN_NAME))
3189         DrawTextSCentered(ystart, font_head, list->year_header);
3190       else
3191         DrawTextSCentered(ystart, font_head, "from the year");
3192
3193       ystart += ystep_head;
3194
3195       DrawTextFCentered(ystart, font_text, "%s", list->year);
3196       ystart += ystep_head;
3197     }
3198
3199     DrawTextSCentered(ybottom, FONT_TEXT_4,
3200                       "Press any key or button for next page");
3201
3202     if (button != MB_MENU_INITIALIZE)
3203       FadeIn(REDRAW_FIELD);
3204   }
3205
3206   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3207     PlaySoundLoop(list->music);
3208 }
3209
3210 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3211 {
3212   int font_title = MENU_INFO_FONT_TITLE;
3213   int font_head  = MENU_INFO_FONT_HEAD;
3214   int font_text  = MENU_INFO_FONT_TEXT;
3215   int font_foot  = MENU_INFO_FONT_FOOT;
3216   int spacing_title = menu.headline1_spacing_info[info_mode];
3217   int spacing_head  = menu.headline2_spacing_info[info_mode];
3218   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3219   int spacing_line  = menu.line_spacing_info[info_mode];
3220   int ystep_title = getMenuTextStep(spacing_title, font_title);
3221   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3222   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3223   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3224   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3225   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3226
3227   ClearField();
3228   DrawHeadline();
3229
3230   DrawTextSCentered(ystart, font_title, "Credits:");
3231   ystart += ystep_title;
3232
3233   if (screen_nr == 0)
3234   {
3235     DrawTextSCentered(ystart, font_head,
3236                       "Special thanks to");
3237     ystart += ystep_head;
3238     DrawTextSCentered(ystart, font_text,
3239                       "Peter Liepa");
3240     ystart += ystep_head;
3241     DrawTextSCentered(ystart, font_head,
3242                       "for creating");
3243     ystart += ystep_head;
3244     DrawTextSCentered(ystart, font_text,
3245                       "\"Boulder Dash\"");
3246     ystart += ystep_head;
3247     DrawTextSCentered(ystart, font_head,
3248                       "in the year");
3249     ystart += ystep_head;
3250     DrawTextSCentered(ystart, font_text,
3251                       "1984");
3252     ystart += ystep_head;
3253     DrawTextSCentered(ystart, font_head,
3254                       "published by");
3255     ystart += ystep_head;
3256     DrawTextSCentered(ystart, font_text,
3257                       "First Star Software");
3258   }
3259   else if (screen_nr == 1)
3260   {
3261     DrawTextSCentered(ystart, font_head,
3262                       "Special thanks to");
3263     ystart += ystep_head;
3264     DrawTextSCentered(ystart, font_text,
3265                       "Klaus Heinz & Volker Wertich");
3266     ystart += ystep_head;
3267     DrawTextSCentered(ystart, font_head,
3268                       "for creating");
3269     ystart += ystep_head;
3270     DrawTextSCentered(ystart, font_text,
3271                       "\"Emerald Mine\"");
3272     ystart += ystep_head;
3273     DrawTextSCentered(ystart, font_head,
3274                       "in the year");
3275     ystart += ystep_head;
3276     DrawTextSCentered(ystart, font_text,
3277                       "1987");
3278     ystart += ystep_head;
3279     DrawTextSCentered(ystart, font_head,
3280                       "published by");
3281     ystart += ystep_head;
3282     DrawTextSCentered(ystart, font_text,
3283                       "Kingsoft");
3284   }
3285   else if (screen_nr == 2)
3286   {
3287     DrawTextSCentered(ystart, font_head,
3288                       "Special thanks to");
3289     ystart += ystep_head;
3290     DrawTextSCentered(ystart, font_text,
3291                       "Michael Stopp & Philip Jespersen");
3292     ystart += ystep_head;
3293     DrawTextSCentered(ystart, font_head,
3294                       "for creating");
3295     ystart += ystep_head;
3296     DrawTextSCentered(ystart, font_text,
3297                       "\"Supaplex\"");
3298     ystart += ystep_head;
3299     DrawTextSCentered(ystart, font_head,
3300                       "in the year");
3301     ystart += ystep_head;
3302     DrawTextSCentered(ystart, font_text,
3303                       "1991");
3304     ystart += ystep_head;
3305     DrawTextSCentered(ystart, font_head,
3306                       "published by");
3307     ystart += ystep_head;
3308     DrawTextSCentered(ystart, font_text,
3309                       "Digital Integration");
3310   }
3311   else if (screen_nr == 3)
3312   {
3313     DrawTextSCentered(ystart, font_head,
3314                       "Special thanks to");
3315     ystart += ystep_head;
3316     DrawTextSCentered(ystart, font_text,
3317                       "Hiroyuki Imabayashi");
3318     ystart += ystep_head;
3319     DrawTextSCentered(ystart, font_head,
3320                       "for creating");
3321     ystart += ystep_head;
3322     DrawTextSCentered(ystart, font_text,
3323                       "\"Sokoban\"");
3324     ystart += ystep_head;
3325     DrawTextSCentered(ystart, font_head,
3326                       "in the year");
3327     ystart += ystep_head;
3328     DrawTextSCentered(ystart, font_text,
3329                       "1982");
3330     ystart += ystep_head;
3331     DrawTextSCentered(ystart, font_head,
3332                       "published by");
3333     ystart += ystep_head;
3334     DrawTextSCentered(ystart, font_text,
3335                       "Thinking Rabbit");
3336   }
3337   else if (screen_nr == 4)
3338   {
3339     DrawTextSCentered(ystart, font_head,
3340                       "Special thanks to");
3341     ystart += ystep_head;
3342     DrawTextSCentered(ystart, font_text,
3343                       "Alan Bond");
3344     ystart += ystep_head;
3345     DrawTextSCentered(ystart, font_head,
3346                       "and");
3347     ystart += ystep_head;
3348     DrawTextSCentered(ystart, font_text,
3349                       "J\xfcrgen Bonhagen");
3350     ystart += ystep_head;
3351     DrawTextSCentered(ystart, font_head,
3352                       "for the continuous creation");
3353     ystart += ystep_line;
3354     DrawTextSCentered(ystart, font_head,
3355                       "of outstanding level sets");
3356   }
3357   else if (screen_nr == 5)
3358   {
3359     DrawTextSCentered(ystart, font_head,
3360                       "Thanks to");
3361     ystart += ystep_head;
3362     DrawTextSCentered(ystart, font_text,
3363                       "Peter Elzner");
3364     ystart += ystep_head;
3365     DrawTextSCentered(ystart, font_head,
3366                       "for ideas and inspiration by");
3367     ystart += ystep_head;
3368     DrawTextSCentered(ystart, font_text,
3369                       "Diamond Caves");
3370     ystart += ystep_para;
3371
3372     DrawTextSCentered(ystart, font_head,
3373                       "Thanks to");
3374     ystart += ystep_head;
3375     DrawTextSCentered(ystart, font_text,
3376                       "Steffest");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_head,
3379                       "for ideas and inspiration by");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_text,
3382                       "DX-Boulderdash");
3383   }
3384   else if (screen_nr == 6)
3385   {
3386     DrawTextSCentered(ystart, font_head,
3387                       "Thanks to");
3388     ystart += ystep_head;
3389     DrawTextSCentered(ystart, font_text,
3390                       "David Tritscher");
3391     ystart += ystep_head;
3392     DrawTextSCentered(ystart, font_head,
3393                       "for the code base used for the");
3394     ystart += ystep_line;
3395     DrawTextSCentered(ystart, font_head,
3396                       "native Emerald Mine engine");
3397   }
3398   else if (screen_nr == 7)
3399   {
3400     DrawTextSCentered(ystart, font_head,
3401                       "Thanks to");
3402     ystart += ystep_head;
3403     DrawTextSCentered(ystart, font_text,
3404                       "Guido Schulz");
3405     ystart += ystep_head;
3406     DrawTextSCentered(ystart, font_head,
3407                       "for the initial DOS port");
3408     ystart += ystep_para;
3409
3410     DrawTextSCentered(ystart, font_head,
3411                       "Thanks to");
3412     ystart += ystep_head;
3413     DrawTextSCentered(ystart, font_text,
3414                       "Karl H\xf6rnell");
3415     ystart += ystep_head;
3416     DrawTextSCentered(ystart, font_head,
3417                       "for some additional toons");
3418   }
3419   else if (screen_nr == 8)
3420   {
3421     DrawTextSCentered(ystart, font_head,
3422                       "And not to forget:");
3423     ystart += ystep_head;
3424     DrawTextSCentered(ystart, font_head,
3425                       "Many thanks to");
3426     ystart += ystep_head;
3427     DrawTextSCentered(ystart, font_text,
3428                       "All those who contributed");
3429     ystart += ystep_line;
3430     DrawTextSCentered(ystart, font_text,
3431                       "levels to this game");
3432     ystart += ystep_line;
3433     DrawTextSCentered(ystart, font_text,
3434                       "since 1995");
3435   }
3436
3437   DrawTextSCentered(ybottom, font_foot,
3438                     "Press any key or button for next page");
3439 }
3440
3441 static void DrawInfoScreen_Credits(void)
3442 {
3443   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3444
3445   FadeMenuSoundsAndMusic();
3446
3447   FadeOut(REDRAW_FIELD);
3448
3449   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3450
3451   FadeIn(REDRAW_FIELD);
3452 }
3453
3454 void HandleInfoScreen_Credits(int button)
3455 {
3456   static int screen_nr = 0;
3457   int num_screens = 9;
3458
3459   if (button == MB_MENU_INITIALIZE)
3460   {
3461     screen_nr = 0;
3462
3463     // DrawInfoScreen_CreditsScreen(screen_nr);
3464   }
3465
3466   if (button == MB_MENU_LEAVE)
3467   {
3468     PlaySound(SND_MENU_ITEM_SELECTING);
3469
3470     info_mode = INFO_MODE_MAIN;
3471     DrawInfoScreen();
3472
3473     return;
3474   }
3475   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3476   {
3477     if (button != MB_MENU_INITIALIZE)
3478     {
3479       PlaySound(SND_MENU_ITEM_SELECTING);
3480
3481       screen_nr++;
3482     }
3483
3484     if (screen_nr >= num_screens)
3485     {
3486       FadeMenuSoundsAndMusic();
3487
3488       info_mode = INFO_MODE_MAIN;
3489       DrawInfoScreen();
3490
3491       return;
3492     }
3493
3494     if (screen_nr > 0)
3495       FadeSetNextScreen();
3496
3497     if (button != MB_MENU_INITIALIZE)
3498       FadeOut(REDRAW_FIELD);
3499
3500     DrawInfoScreen_CreditsScreen(screen_nr);
3501
3502     if (button != MB_MENU_INITIALIZE)
3503       FadeIn(REDRAW_FIELD);
3504   }
3505   else
3506   {
3507     PlayMenuSoundIfLoop();
3508   }
3509 }
3510
3511 static void DrawInfoScreen_Program(void)
3512 {
3513   int font_title = MENU_INFO_FONT_TITLE;
3514   int font_head  = MENU_INFO_FONT_HEAD;
3515   int font_text  = MENU_INFO_FONT_TEXT;
3516   int font_foot  = MENU_INFO_FONT_FOOT;
3517   int spacing_title = menu.headline1_spacing_info[info_mode];
3518   int spacing_head  = menu.headline2_spacing_info[info_mode];
3519   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3520   int spacing_line  = menu.line_spacing_info[info_mode];
3521   int ystep_title = getMenuTextStep(spacing_title, font_title);
3522   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3523   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3524   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3525   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3526   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3527
3528   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3529
3530   FadeOut(REDRAW_FIELD);
3531
3532   ClearField();
3533   DrawHeadline();
3534
3535   DrawTextSCentered(ystart, font_title, "Program Information:");
3536   ystart += ystep_title;
3537
3538   DrawTextSCentered(ystart, font_head,
3539                     "This game is Freeware!");
3540   ystart += ystep_head;
3541   DrawTextSCentered(ystart, font_head,
3542                     "If you like it, send e-mail to:");
3543   ystart += ystep_head;
3544   DrawTextSCentered(ystart, font_text,
3545                     setup.internal.program_email);
3546   ystart += ystep_para;
3547
3548   DrawTextSCentered(ystart, font_head,
3549                     "More information and levels:");
3550   ystart += ystep_head;
3551   DrawTextSCentered(ystart, font_text,
3552                     setup.internal.program_website);
3553   ystart += ystep_para;
3554
3555   DrawTextSCentered(ystart, font_head,
3556                     "If you have created new levels,");
3557   ystart += ystep_line;
3558   DrawTextSCentered(ystart, font_head,
3559                     "send them to me to include them!");
3560   ystart += ystep_head;
3561   DrawTextSCentered(ystart, font_head,
3562                     ":-)");
3563
3564   DrawTextSCentered(ybottom, font_foot,
3565                     "Press any key or button for info menu");
3566
3567   FadeIn(REDRAW_FIELD);
3568 }
3569
3570 void HandleInfoScreen_Program(int button)
3571 {
3572   if (button == MB_MENU_LEAVE)
3573   {
3574     PlaySound(SND_MENU_ITEM_SELECTING);
3575
3576     info_mode = INFO_MODE_MAIN;
3577     DrawInfoScreen();
3578
3579     return;
3580   }
3581   else if (button == MB_MENU_CHOICE)
3582   {
3583     PlaySound(SND_MENU_ITEM_SELECTING);
3584
3585     FadeMenuSoundsAndMusic();
3586
3587     info_mode = INFO_MODE_MAIN;
3588     DrawInfoScreen();
3589   }
3590   else
3591   {
3592     PlayMenuSoundIfLoop();
3593   }
3594 }
3595
3596 static void DrawInfoScreen_Version(void)
3597 {
3598   int font_title = MENU_INFO_FONT_TITLE;
3599   int font_head  = MENU_INFO_FONT_HEAD;
3600   int font_text  = MENU_INFO_FONT_TEXT;
3601   int font_foot  = MENU_INFO_FONT_FOOT;
3602   int spacing_title = menu.headline1_spacing_info[info_mode];
3603   int spacing_head  = menu.headline2_spacing_info[info_mode];
3604   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3605   int spacing_line  = menu.line_spacing_info[info_mode];
3606   int xstep = getFontWidth(font_text);
3607   int ystep_title = getMenuTextStep(spacing_title, font_title);
3608   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3609   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3610   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3611   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3612   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3613   int xstart1 = mSX - SX + 2 * xstep;
3614   int xstart2 = mSX - SX + 18 * xstep;
3615   int xstart3 = mSX - SX + 28 * xstep;
3616   SDL_version sdl_version_compiled;
3617   const SDL_version *sdl_version_linked;
3618   int driver_name_len = 10;
3619   SDL_version sdl_version_linked_ext;
3620   const char *driver_name = NULL;
3621
3622   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3623
3624   FadeOut(REDRAW_FIELD);
3625
3626   ClearField();
3627   DrawHeadline();
3628
3629   DrawTextSCentered(ystart, font_title, "Version Information:");
3630   ystart += ystep_title;
3631
3632   DrawTextF(xstart1, ystart, font_head, "Name");
3633   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3634   ystart += ystep_line;
3635
3636   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3637   {
3638     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3639     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3640     ystart += ystep_line;
3641
3642     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3643     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3644     ystart += ystep_line;
3645   }
3646   else
3647   {
3648     DrawTextF(xstart1, ystart, font_head, "Version");
3649     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3650     ystart += ystep_line;
3651   }
3652
3653   DrawTextF(xstart1, ystart, font_head, "Platform");
3654   DrawTextF(xstart2, ystart, font_text, PLATFORM_STRING);
3655   ystart += ystep_line;
3656
3657   DrawTextF(xstart1, ystart, font_head, "Target");
3658   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3659   ystart += ystep_line;
3660
3661   DrawTextF(xstart1, ystart, font_head, "Source date");
3662   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3663   ystart += ystep_para;
3664
3665   DrawTextF(xstart1, ystart, font_head, "Library");
3666   DrawTextF(xstart2, ystart, font_head, "compiled");
3667   DrawTextF(xstart3, ystart, font_head, "linked");
3668   ystart += ystep_head;
3669
3670   SDL_VERSION(&sdl_version_compiled);
3671   SDL_GetVersion(&sdl_version_linked_ext);
3672   sdl_version_linked = &sdl_version_linked_ext;
3673
3674   DrawTextF(xstart1, ystart, font_text, "SDL");
3675   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3676             sdl_version_compiled.major,
3677             sdl_version_compiled.minor,
3678             sdl_version_compiled.patch);
3679   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3680             sdl_version_linked->major,
3681             sdl_version_linked->minor,
3682             sdl_version_linked->patch);
3683   ystart += ystep_line;
3684
3685   SDL_IMAGE_VERSION(&sdl_version_compiled);
3686   sdl_version_linked = IMG_Linked_Version();
3687
3688   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3689   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3690             sdl_version_compiled.major,
3691             sdl_version_compiled.minor,
3692             sdl_version_compiled.patch);
3693   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3694             sdl_version_linked->major,
3695             sdl_version_linked->minor,
3696             sdl_version_linked->patch);
3697   ystart += ystep_line;
3698
3699   SDL_MIXER_VERSION(&sdl_version_compiled);
3700   sdl_version_linked = Mix_Linked_Version();
3701
3702   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3703   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3704             sdl_version_compiled.major,
3705             sdl_version_compiled.minor,
3706             sdl_version_compiled.patch);
3707   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3708             sdl_version_linked->major,
3709             sdl_version_linked->minor,
3710             sdl_version_linked->patch);
3711   ystart += ystep_line;
3712
3713   SDL_NET_VERSION(&sdl_version_compiled);
3714   sdl_version_linked = SDLNet_Linked_Version();
3715
3716   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3717   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3718             sdl_version_compiled.major,
3719             sdl_version_compiled.minor,
3720             sdl_version_compiled.patch);
3721   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3722             sdl_version_linked->major,
3723             sdl_version_linked->minor,
3724             sdl_version_linked->patch);
3725   ystart += ystep_para;
3726
3727   DrawTextF(xstart1, ystart, font_head, "Driver");
3728   DrawTextF(xstart2, ystart, font_head, "Requested");
3729   DrawTextF(xstart3, ystart, font_head, "Used");
3730   ystart += ystep_head;
3731
3732   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3733
3734   DrawTextF(xstart1, ystart, font_text, "SDL_VideoDriver");
3735   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3736   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3737   ystart += ystep_line;
3738
3739   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3740
3741   DrawTextF(xstart1, ystart, font_text, "SDL_AudioDriver");
3742   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3743   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3744
3745   DrawTextSCentered(ybottom, font_foot,
3746                     "Press any key or button for info menu");
3747
3748   FadeIn(REDRAW_FIELD);
3749 }
3750
3751 void HandleInfoScreen_Version(int button)
3752 {
3753   if (button == MB_MENU_LEAVE)
3754   {
3755     PlaySound(SND_MENU_ITEM_SELECTING);
3756
3757     info_mode = INFO_MODE_MAIN;
3758     DrawInfoScreen();
3759
3760     return;
3761   }
3762   else if (button == MB_MENU_CHOICE)
3763   {
3764     PlaySound(SND_MENU_ITEM_SELECTING);
3765
3766     FadeMenuSoundsAndMusic();
3767
3768     info_mode = INFO_MODE_MAIN;
3769     DrawInfoScreen();
3770   }
3771   else
3772   {
3773     PlayMenuSoundIfLoop();
3774   }
3775 }
3776
3777 static void DrawInfoScreen_LevelSet(void)
3778 {
3779   struct TitleMessageInfo *tmi = &readme;
3780   char *filename = getLevelSetInfoFilename();
3781   char *title = "Level Set Information:";
3782   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3783   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3784
3785   if (filename == NULL)
3786   {
3787     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3788
3789     return;
3790   }
3791
3792   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3793
3794   FadeOut(REDRAW_FIELD);
3795
3796   ClearField();
3797   DrawHeadline();
3798
3799   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3800
3801   // if x position set to "-1", automatically determine by playfield width
3802   if (tmi->x == -1)
3803     tmi->x = SXSIZE / 2;
3804
3805   // if y position set to "-1", use static default value
3806   if (tmi->y == -1)
3807     tmi->y = 150;
3808
3809   // if width set to "-1", automatically determine by playfield width
3810   if (tmi->width == -1)
3811     tmi->width = SXSIZE - 2 * TILEX;
3812
3813   // if height set to "-1", automatically determine by playfield height
3814   if (tmi->height == -1)
3815     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3816
3817   // if chars set to "-1", automatically determine by text and font width
3818   if (tmi->chars == -1)
3819     tmi->chars = tmi->width / getFontWidth(tmi->font);
3820   else
3821     tmi->width = tmi->chars * getFontWidth(tmi->font);
3822
3823   // if lines set to "-1", automatically determine by text and font height
3824   if (tmi->lines == -1)
3825     tmi->lines = tmi->height / getFontHeight(tmi->font);
3826   else
3827     tmi->height = tmi->lines * getFontHeight(tmi->font);
3828
3829   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3830                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3831                tmi->autowrap, tmi->centered, tmi->parse_comments);
3832
3833   DrawTextSCentered(ybottom, FONT_TEXT_4,
3834                     "Press any key or button for info menu");
3835
3836   FadeIn(REDRAW_FIELD);
3837 }
3838
3839 static void HandleInfoScreen_LevelSet(int button)
3840 {
3841   if (button == MB_MENU_LEAVE)
3842   {
3843     PlaySound(SND_MENU_ITEM_SELECTING);
3844
3845     info_mode = INFO_MODE_MAIN;
3846     DrawInfoScreen();
3847
3848     return;
3849   }
3850   else if (button == MB_MENU_CHOICE)
3851   {
3852     PlaySound(SND_MENU_ITEM_SELECTING);
3853
3854     FadeMenuSoundsAndMusic();
3855
3856     info_mode = INFO_MODE_MAIN;
3857     DrawInfoScreen();
3858   }
3859   else
3860   {
3861     PlayMenuSoundIfLoop();
3862   }
3863 }
3864
3865 static void DrawInfoScreen(void)
3866 {
3867   if (info_mode == INFO_MODE_TITLE)
3868     DrawInfoScreen_TitleScreen();
3869   else if (info_mode == INFO_MODE_ELEMENTS)
3870     DrawInfoScreen_Elements();
3871   else if (info_mode == INFO_MODE_MUSIC)
3872     DrawInfoScreen_Music();
3873   else if (info_mode == INFO_MODE_CREDITS)
3874     DrawInfoScreen_Credits();
3875   else if (info_mode == INFO_MODE_PROGRAM)
3876     DrawInfoScreen_Program();
3877   else if (info_mode == INFO_MODE_VERSION)
3878     DrawInfoScreen_Version();
3879   else if (info_mode == INFO_MODE_LEVELSET)
3880     DrawInfoScreen_LevelSet();
3881   else
3882     DrawInfoScreen_Main();
3883
3884   if (info_mode != INFO_MODE_MAIN &&
3885       info_mode != INFO_MODE_TITLE &&
3886       info_mode != INFO_MODE_MUSIC)
3887     PlayMenuSoundsAndMusic();
3888 }
3889
3890 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3891 {
3892   if (info_mode == INFO_MODE_TITLE)
3893     HandleInfoScreen_TitleScreen(button);
3894   else if (info_mode == INFO_MODE_ELEMENTS)
3895     HandleInfoScreen_Elements(button);
3896   else if (info_mode == INFO_MODE_MUSIC)
3897     HandleInfoScreen_Music(button);
3898   else if (info_mode == INFO_MODE_CREDITS)
3899     HandleInfoScreen_Credits(button);
3900   else if (info_mode == INFO_MODE_PROGRAM)
3901     HandleInfoScreen_Program(button);
3902   else if (info_mode == INFO_MODE_VERSION)
3903     HandleInfoScreen_Version(button);
3904   else if (info_mode == INFO_MODE_LEVELSET)
3905     HandleInfoScreen_LevelSet(button);
3906   else
3907     HandleInfoScreen_Main(mx, my, dx, dy, button);
3908 }
3909
3910
3911 // ============================================================================
3912 // type name functions
3913 // ============================================================================
3914
3915 void HandleTypeName(int newxpos, Key key)
3916 {
3917   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3918   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3919   struct TextPosInfo *pos = mci->pos_input;
3920   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3921   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3922   static int xpos = 0;
3923   int font_nr = pos->font;
3924   int font_active_nr = FONT_ACTIVE(font_nr);
3925   int font_width = getFontWidth(font_active_nr);
3926   char key_char = getValidConfigValueChar(getCharFromKey(key));
3927   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3928   boolean is_active = TRUE;
3929
3930   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3931
3932   if (newxpos)
3933   {
3934     strcpy(last_player_name, setup.player_name);
3935
3936     xpos = newxpos;
3937
3938     StartTextInput(startx, starty, pos->width, pos->height);
3939   }
3940   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3941   {
3942     setup.player_name[xpos] = key_char;
3943     setup.player_name[xpos + 1] = 0;
3944
3945     xpos++;
3946   }
3947   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3948   {
3949     xpos--;
3950
3951     setup.player_name[xpos] = 0;
3952   }
3953   else if (key == KSYM_Return && xpos > 0)
3954   {
3955     SaveSetup();
3956
3957     is_active = FALSE;
3958
3959     SetGameStatus(GAME_MODE_MAIN);
3960   }
3961   else if (key == KSYM_Escape)
3962   {
3963     strcpy(setup.player_name, last_player_name);
3964
3965     is_active = FALSE;
3966
3967     SetGameStatus(GAME_MODE_MAIN);
3968   }
3969
3970   if (is_active)
3971   {
3972     pos->width = (strlen(setup.player_name) + 1) * font_width;
3973     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3974
3975     DrawText(startx, starty, setup.player_name, font_active_nr);
3976     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3977   }
3978   else
3979   {
3980     pos->width = strlen(setup.player_name) * font_width;
3981     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3982
3983     DrawText(startx, starty, setup.player_name, font_nr);
3984
3985     StopTextInput();
3986   }
3987 }
3988
3989
3990 // ============================================================================
3991 // tree menu functions
3992 // ============================================================================
3993
3994 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
3995 {
3996   if (game_status != GAME_MODE_SETUP ||
3997       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
3998     return 0;
3999
4000   int max_text_size = 0;
4001   TreeInfo *node;
4002
4003   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4004     max_text_size = MAX(max_text_size, strlen(node->name));
4005
4006   int num_entries = numTreeInfoInGroup(ti);
4007   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4008   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4009   int button_width = SC_MENUBUTTON_XSIZE;
4010   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4011   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4012   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4013   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4014   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4015   int align_xoffset = MAX(0, align_xoffset_raw);
4016
4017   return align_xoffset;
4018 }
4019
4020 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4021 {
4022   if (game_status != GAME_MODE_SETUP ||
4023       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4024     return 0;
4025
4026   int num_entries = numTreeInfoInGroup(ti);
4027   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4028   int font_height = getFontHeight(FONT_TEXT_1);
4029   int text_height = font_height * num_page_entries;
4030   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4031   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4032   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4033   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4034   int align_yoffset = MAX(0, align_yoffset_raw);
4035
4036   return align_yoffset;
4037 }
4038
4039 static void DrawChooseTree(TreeInfo **ti_ptr)
4040 {
4041   int fade_mask = REDRAW_FIELD;
4042
4043   if (CheckFadeAll())
4044     fade_mask = REDRAW_ALL;
4045
4046   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4047   {
4048     SetGameStatus(GAME_MODE_MAIN);
4049
4050     DrawMainMenu();
4051
4052     return;
4053   }
4054
4055   UnmapAllGadgets();
4056
4057   FreeScreenGadgets();
4058   CreateScreenGadgets();
4059
4060   FadeOut(fade_mask);
4061
4062   // needed if different viewport properties defined for choosing level (set)
4063   ChangeViewportPropertiesIfNeeded();
4064
4065   if (game_status == GAME_MODE_LEVELNR)
4066     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4067   else if (game_status == GAME_MODE_LEVELS)
4068     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4069
4070   ClearField();
4071
4072   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4073
4074   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4075   MapScreenTreeGadgets(*ti_ptr);
4076
4077   DrawMaskedBorder(fade_mask);
4078
4079   FadeIn(fade_mask);
4080 }
4081
4082 static void drawChooseTreeList(int first_entry, int num_page_entries,
4083                                TreeInfo *ti)
4084 {
4085   int num_entries = numTreeInfoInGroup(ti);
4086   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4087   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4088   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4089   int font_nr = FONT_TEXT_1;
4090   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4091   int i;
4092   char *title_string = NULL;
4093   int yoffset_sets = MENU_TITLE1_YPOS;
4094   int yoffset_setup = 16;
4095   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4096                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4097
4098   title_string = ti->infotext;
4099
4100   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4101
4102   clearMenuListArea();
4103
4104   for (i = 0; i < num_page_entries; i++)
4105   {
4106     TreeInfo *node, *node_first;
4107     int entry_pos = first_entry + i;
4108     int xpos = MENU_SCREEN_START_XPOS;
4109     int ypos = MENU_SCREEN_START_YPOS + i;
4110     int startx = amSX + xpos * 32;
4111     int starty = amSY + ypos * 32;
4112     int startx_text = startx + font_xoffset;
4113     int endx_text = amSX + screen_width;
4114     int max_text_size = endx_text - startx_text;
4115     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4116     char buffer[max_buffer_len + 1];
4117
4118     node_first = getTreeInfoFirstGroupEntry(ti);
4119     node = getTreeInfoFromPos(node_first, entry_pos);
4120
4121     strncpy(buffer, node->name, max_buffer_len);
4122     buffer[max_buffer_len] = '\0';
4123
4124     DrawText(startx, starty, buffer, font_nr + node->color);
4125
4126     if (node->parent_link)
4127       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4128     else if (node->level_group)
4129       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4130     else
4131       initCursor(i, IMG_MENU_BUTTON);
4132   }
4133
4134   redraw_mask |= REDRAW_FIELD;
4135 }
4136
4137 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4138 {
4139   TreeInfo *node, *node_first;
4140   int x, last_redraw_mask = redraw_mask;
4141   int ypos = MENU_TITLE2_YPOS;
4142   int font_nr = FONT_TITLE_2;
4143
4144   if (ti->type == TREE_TYPE_LEVEL_NR)
4145     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4146
4147   if (ti->type != TREE_TYPE_LEVEL_DIR)
4148     return;
4149
4150   node_first = getTreeInfoFirstGroupEntry(ti);
4151   node = getTreeInfoFromPos(node_first, entry_pos);
4152
4153   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4154
4155   if (node->parent_link)
4156     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4157                       node->node_parent->name);
4158   else if (node->level_group)
4159     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4160                       node->name);
4161   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4162     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4163                       node->levels, (node->levels > 1 ? "levels" : "level"),
4164                       node->class_desc);
4165
4166   // let BackToFront() redraw only what is needed
4167   redraw_mask = last_redraw_mask;
4168   for (x = 0; x < SCR_FIELDX; x++)
4169     MarkTileDirty(x, 1);
4170 }
4171
4172 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4173                              TreeInfo **ti_ptr)
4174 {
4175   TreeInfo *ti = *ti_ptr;
4176   int x = 0;
4177   int y = ti->cl_cursor;
4178   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4179   int num_entries = numTreeInfoInGroup(ti);
4180   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4181   boolean position_set_by_scrollbar = (dx == 999);
4182
4183   if (button == MB_MENU_INITIALIZE)
4184   {
4185     int num_entries = numTreeInfoInGroup(ti);
4186     int entry_pos = posTreeInfo(ti);
4187
4188     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4189     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4190
4191     if (ti->cl_first == -1)
4192     {
4193       // only on initialization
4194       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4195       ti->cl_cursor = entry_pos - ti->cl_first;
4196     }
4197     else if (ti->cl_cursor >= num_page_entries ||
4198              (num_entries > num_page_entries &&
4199               num_entries - ti->cl_first < num_page_entries))
4200     {
4201       // only after change of list size (by custom graphic configuration)
4202       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4203       ti->cl_cursor = entry_pos - ti->cl_first;
4204     }
4205
4206     if (position_set_by_scrollbar)
4207       ti->cl_first = dy;
4208     else
4209       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4210                                 ti->cl_first, ti);
4211
4212     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4213     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4214     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4215
4216     return;
4217   }
4218   else if (button == MB_MENU_LEAVE)
4219   {
4220     FadeSetLeaveMenu();
4221
4222     PlaySound(SND_MENU_ITEM_SELECTING);
4223
4224     if (ti->node_parent)
4225     {
4226       *ti_ptr = ti->node_parent;
4227       DrawChooseTree(ti_ptr);
4228     }
4229     else if (game_status == GAME_MODE_SETUP)
4230     {
4231       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4232           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4233           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4234         execSetupGame();
4235       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4236                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4237                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4238                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4239         execSetupGraphics();
4240       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4241                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4242                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4243         execSetupSound();
4244       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4245                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4246                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4247                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4248                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4249                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4250                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4251                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4252         execSetupTouch();
4253       else
4254         execSetupArtwork();
4255     }
4256     else
4257     {
4258       if (game_status == GAME_MODE_LEVELNR)
4259       {
4260         int new_level_nr = atoi(level_number_current->identifier);
4261
4262         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4263       }
4264
4265       SetGameStatus(GAME_MODE_MAIN);
4266
4267       DrawMainMenu();
4268     }
4269
4270     return;
4271   }
4272
4273   if (mx || my)         // mouse input
4274   {
4275     x = (mx - amSX) / 32;
4276     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4277   }
4278   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4279   {
4280     // move cursor instead of scrolling when already at start/end of list
4281     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4282       dy = -1;
4283     else if (dy == +1 * SCROLL_LINE &&
4284              ti->cl_first + num_page_entries == num_entries)
4285       dy = 1;
4286
4287     // handle scrolling screen one line or page
4288     if (ti->cl_cursor + dy < 0 ||
4289         ti->cl_cursor + dy > num_page_entries - 1)
4290     {
4291       boolean redraw = FALSE;
4292
4293       if (ABS(dy) == SCROLL_PAGE)
4294         step = num_page_entries - 1;
4295
4296       if (dy < 0 && ti->cl_first > 0)
4297       {
4298         // scroll page/line up
4299
4300         ti->cl_first -= step;
4301         if (ti->cl_first < 0)
4302           ti->cl_first = 0;
4303
4304         redraw = TRUE;
4305       }
4306       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4307       {
4308         // scroll page/line down
4309
4310         ti->cl_first += step;
4311         if (ti->cl_first + num_page_entries > num_entries)
4312           ti->cl_first = MAX(0, num_entries - num_page_entries);
4313
4314         redraw = TRUE;
4315       }
4316
4317       if (redraw)
4318       {
4319         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4320         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4321         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4322
4323         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4324                                   ti->cl_first, ti);
4325       }
4326
4327       return;
4328     }
4329
4330     // handle moving cursor one line
4331     y = ti->cl_cursor + dy;
4332   }
4333
4334   if (dx == 1)
4335   {
4336     TreeInfo *node_first, *node_cursor;
4337     int entry_pos = ti->cl_first + y;
4338
4339     node_first = getTreeInfoFirstGroupEntry(ti);
4340     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4341
4342     if (node_cursor->node_group)
4343     {
4344       FadeSetEnterMenu();
4345
4346       PlaySound(SND_MENU_ITEM_SELECTING);
4347
4348       node_cursor->cl_first = ti->cl_first;
4349       node_cursor->cl_cursor = ti->cl_cursor;
4350       *ti_ptr = node_cursor->node_group;
4351       DrawChooseTree(ti_ptr);
4352
4353       return;
4354     }
4355   }
4356   else if (dx == -1 && ti->node_parent)
4357   {
4358     FadeSetLeaveMenu();
4359
4360     PlaySound(SND_MENU_ITEM_SELECTING);
4361
4362     *ti_ptr = ti->node_parent;
4363     DrawChooseTree(ti_ptr);
4364
4365     return;
4366   }
4367
4368   if (!anyScrollbarGadgetActive() &&
4369       IN_VIS_MENU(x, y) &&
4370       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
4371       y >= 0 && y < num_page_entries)
4372   {
4373     if (button)
4374     {
4375       if (y != ti->cl_cursor)
4376       {
4377         PlaySound(SND_MENU_ITEM_ACTIVATING);
4378
4379         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4380         drawChooseTreeCursor(y, TRUE);
4381         drawChooseTreeInfo(ti->cl_first + y, ti);
4382
4383         ti->cl_cursor = y;
4384       }
4385       else if (dx < 0)
4386       {
4387         if (game_status == GAME_MODE_SETUP)
4388         {
4389           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4390               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4391               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4392             execSetupGame();
4393           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4394                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4395                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4396                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4397             execSetupGraphics();
4398           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4399                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4400                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4401             execSetupSound();
4402           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4403                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4404                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4405                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4406                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4407                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4408                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4409                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4410             execSetupTouch();
4411           else
4412             execSetupArtwork();
4413         }
4414       }
4415     }
4416     else
4417     {
4418       TreeInfo *node_first, *node_cursor;
4419       int entry_pos = ti->cl_first + y;
4420
4421       PlaySound(SND_MENU_ITEM_SELECTING);
4422
4423       node_first = getTreeInfoFirstGroupEntry(ti);
4424       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4425
4426       if (node_cursor->node_group)
4427       {
4428         FadeSetEnterMenu();
4429
4430         node_cursor->cl_first = ti->cl_first;
4431         node_cursor->cl_cursor = ti->cl_cursor;
4432         *ti_ptr = node_cursor->node_group;
4433         DrawChooseTree(ti_ptr);
4434       }
4435       else if (node_cursor->parent_link)
4436       {
4437         FadeSetLeaveMenu();
4438
4439         *ti_ptr = node_cursor->node_parent;
4440         DrawChooseTree(ti_ptr);
4441       }
4442       else
4443       {
4444         FadeSetEnterMenu();
4445
4446         node_cursor->cl_first = ti->cl_first;
4447         node_cursor->cl_cursor = ti->cl_cursor;
4448         *ti_ptr = node_cursor;
4449
4450         if (ti->type == TREE_TYPE_LEVEL_DIR)
4451         {
4452           LoadLevelSetup_SeriesInfo();
4453
4454           SaveLevelSetup_LastSeries();
4455           SaveLevelSetup_SeriesInfo();
4456           TapeErase();
4457         }
4458
4459         if (game_status == GAME_MODE_SETUP)
4460         {
4461           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4462               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4463               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4464             execSetupGame();
4465           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4466                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4467                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4468                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4469             execSetupGraphics();
4470           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4471                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4472                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4473             execSetupSound();
4474           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4475                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4476                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4477                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4478                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4479                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4480                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4481                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4482             execSetupTouch();
4483           else
4484             execSetupArtwork();
4485         }
4486         else
4487         {
4488           if (game_status == GAME_MODE_LEVELNR)
4489           {
4490             int new_level_nr = atoi(level_number_current->identifier);
4491
4492             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4493           }
4494
4495           SetGameStatus(GAME_MODE_MAIN);
4496
4497           DrawMainMenu();
4498         }
4499       }
4500     }
4501   }
4502 }
4503
4504 void DrawChooseLevelSet(void)
4505 {
4506   FadeMenuSoundsAndMusic();
4507
4508   DrawChooseTree(&leveldir_current);
4509
4510   PlayMenuSoundsAndMusic();
4511 }
4512
4513 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4514 {
4515   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4516 }
4517
4518 void DrawChooseLevelNr(void)
4519 {
4520   int i;
4521
4522   FadeMenuSoundsAndMusic();
4523
4524   if (level_number != NULL)
4525   {
4526     freeTreeInfo(level_number);
4527
4528     level_number = NULL;
4529   }
4530
4531   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4532   {
4533     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4534     char identifier[32], name[32];
4535     int value = i;
4536
4537     // temporarily load level info to get level name
4538     LoadLevelInfoOnly(i);
4539
4540     ti->node_top = &level_number;
4541     ti->sort_priority = 10000 + value;
4542     ti->color = (level.no_level_file ? FC_BLUE :
4543                  LevelStats_getSolved(i) ? FC_GREEN :
4544                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4545
4546     snprintf(identifier, sizeof(identifier), "%d", value);
4547     snprintf(name, sizeof(name), "%03d: %s", value,
4548              (level.no_level_file ? "(no file)" : level.name));
4549
4550     setString(&ti->identifier, identifier);
4551     setString(&ti->name, name);
4552     setString(&ti->name_sorting, name);
4553
4554     pushTreeInfo(&level_number, ti);
4555   }
4556
4557   // sort level number values to start with lowest level number
4558   sortTreeInfo(&level_number);
4559
4560   // set current level number to current level number
4561   level_number_current =
4562     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4563
4564   // if that also fails, set current level number to first available level
4565   if (level_number_current == NULL)
4566     level_number_current = level_number;
4567
4568   DrawChooseTree(&level_number_current);
4569
4570   PlayMenuSoundsAndMusic();
4571 }
4572
4573 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4574 {
4575   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4576 }
4577
4578 void DrawHallOfFame(int level_nr, int highlight_position)
4579 {
4580   int fade_mask = REDRAW_FIELD;
4581
4582   if (CheckFadeAll())
4583     fade_mask = REDRAW_ALL;
4584
4585   UnmapAllGadgets();
4586   FadeMenuSoundsAndMusic();
4587
4588   // (this is needed when called from GameEnd() after winning a game)
4589   KeyboardAutoRepeatOn();
4590
4591   // (this is needed when called from GameEnd() after winning a game)
4592   SetDrawDeactivationMask(REDRAW_NONE);
4593   SetDrawBackgroundMask(REDRAW_FIELD);
4594
4595   if (highlight_position < 0)
4596     LoadScore(level_nr);
4597   else
4598     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4599
4600   FadeSetEnterScreen();
4601
4602   FadeOut(fade_mask);
4603
4604   // needed if different viewport properties defined for scores
4605   ChangeViewportPropertiesIfNeeded();
4606
4607   PlayMenuSoundsAndMusic();
4608
4609   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4610
4611   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4612
4613   DrawMaskedBorder(fade_mask);
4614
4615   FadeIn(fade_mask);
4616 }
4617
4618 static void drawHallOfFameList(int level_nr, int first_entry,
4619                                int highlight_position)
4620 {
4621   int i, j;
4622
4623   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4624   ClearField();
4625
4626   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4627   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4628                     "HighScores of Level %d", level_nr);
4629
4630   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4631   {
4632     int entry = first_entry + i;
4633     boolean active = (entry == highlight_position);
4634     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4635     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4636     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4637     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4638     int dxoff = getFontDrawOffsetX(font_nr1);
4639     int dx1 = 3 * getFontWidth(font_nr1);
4640     int dx2 = dx1 + getFontWidth(font_nr1);
4641     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4642     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4643     int sy = mSY + 64 + i * 32;
4644
4645     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4646     DrawText(mSX + dx1, sy, ".", font_nr1);
4647
4648     for (j = 0; j < num_dots; j++)
4649       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4650
4651     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4652       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4653
4654     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4655   }
4656
4657   redraw_mask |= REDRAW_FIELD;
4658 }
4659
4660 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4661 {
4662   static int level_nr = 0;
4663   static int first_entry = 0;
4664   static int highlight_position = 0;
4665   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4666
4667   if (button == MB_MENU_INITIALIZE)
4668   {
4669     level_nr = mx;
4670     first_entry = 0;
4671     highlight_position = my;
4672
4673     drawHallOfFameList(level_nr, first_entry, highlight_position);
4674
4675     return;
4676   }
4677
4678   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
4679     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4680
4681   if (dy < 0)
4682   {
4683     if (first_entry > 0)
4684     {
4685       first_entry -= step;
4686       if (first_entry < 0)
4687         first_entry = 0;
4688
4689       drawHallOfFameList(level_nr, first_entry, highlight_position);
4690     }
4691   }
4692   else if (dy > 0)
4693   {
4694     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4695     {
4696       first_entry += step;
4697       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4698         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4699
4700       drawHallOfFameList(level_nr, first_entry, highlight_position);
4701     }
4702   }
4703   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
4704   {
4705     PlaySound(SND_MENU_ITEM_SELECTING);
4706
4707     FadeSound(SND_BACKGROUND_SCORES);
4708
4709     if (game_status_last_screen == GAME_MODE_PLAYING &&
4710         setup.auto_play_next_level && setup.increment_levels &&
4711         level_nr < leveldir_current->last_level &&
4712         !network_playing)
4713     {
4714       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4715     }
4716     else
4717     {
4718       SetGameStatus(GAME_MODE_MAIN);
4719
4720       DrawMainMenu();
4721     }
4722   }
4723
4724   if (game_status == GAME_MODE_SCORES)
4725     PlayMenuSoundIfLoop();
4726 }
4727
4728
4729 // ============================================================================
4730 // setup screen functions
4731 // ============================================================================
4732
4733 static struct TokenInfo *setup_info;
4734 static int num_setup_info;      // number of setup entries shown on screen
4735 static int max_setup_info;      // total number of setup entries in list
4736
4737 static char *window_size_text;
4738 static char *scaling_type_text;
4739 static char *rendering_mode_text;
4740 static char *vsync_mode_text;
4741 static char *scroll_delay_text;
4742 static char *snapshot_mode_text;
4743 static char *game_speed_text;
4744 static char *network_server_text;
4745 static char *graphics_set_name;
4746 static char *sounds_set_name;
4747 static char *music_set_name;
4748 static char *volume_simple_text;
4749 static char *volume_loops_text;
4750 static char *volume_music_text;
4751 static char *touch_controls_text;
4752 static char *move_distance_text;
4753 static char *drop_distance_text;
4754 static char *transparency_text;
4755 static char *grid_size_text[2][2];
4756
4757 static void execSetupMain(void)
4758 {
4759   setup_mode = SETUP_MODE_MAIN;
4760
4761   DrawSetupScreen();
4762 }
4763
4764 static void execSetupGame_setGameSpeeds(boolean update_value)
4765 {
4766   if (setup.game_speed_extended)
4767   {
4768     game_speeds_list = game_speeds_list_extended;
4769     game_speeds      = game_speeds_extended;
4770   }
4771   else
4772   {
4773     game_speeds_list = game_speeds_list_normal;
4774     game_speeds      = game_speeds_normal;
4775   }
4776
4777   if (game_speeds == NULL)
4778   {
4779     int i;
4780
4781     for (i = 0; game_speeds_list[i].value != -1; i++)
4782     {
4783       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4784       char identifier[32], name[32];
4785       int value = game_speeds_list[i].value;
4786       char *text = game_speeds_list[i].text;
4787
4788       ti->node_top = &game_speeds;
4789       ti->sort_priority = 10000 - value;
4790
4791       sprintf(identifier, "%d", value);
4792       sprintf(name, "%s", text);
4793
4794       setString(&ti->identifier, identifier);
4795       setString(&ti->name, name);
4796       setString(&ti->name_sorting, name);
4797       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
4798
4799       pushTreeInfo(&game_speeds, ti);
4800     }
4801
4802     // sort game speed values to start with slowest game speed
4803     sortTreeInfo(&game_speeds);
4804
4805     update_value = TRUE;
4806   }
4807
4808   if (update_value)
4809   {
4810     // set current game speed to configured game speed value
4811     game_speed_current =
4812       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4813
4814     // if that fails, set current game speed to reliable default value
4815     if (game_speed_current == NULL)
4816       game_speed_current =
4817         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4818
4819     // if that also fails, set current game speed to first available speed
4820     if (game_speed_current == NULL)
4821       game_speed_current = game_speeds;
4822
4823     if (setup.game_speed_extended)
4824       game_speeds_extended = game_speeds;
4825     else
4826       game_speeds_normal = game_speeds;
4827   }
4828
4829   setup.game_frame_delay = atoi(game_speed_current->identifier);
4830
4831   // needed for displaying game speed text instead of identifier
4832   game_speed_text = game_speed_current->name;
4833 }
4834
4835 static void execSetupGame_setScrollDelays(void)
4836 {
4837   if (scroll_delays == NULL)
4838   {
4839     int i;
4840
4841     for (i = 0; scroll_delays_list[i].value != -1; i++)
4842     {
4843       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4844       char identifier[32], name[32];
4845       int value = scroll_delays_list[i].value;
4846       char *text = scroll_delays_list[i].text;
4847
4848       ti->node_top = &scroll_delays;
4849       ti->sort_priority = value;
4850
4851       sprintf(identifier, "%d", value);
4852       sprintf(name, "%s", text);
4853
4854       setString(&ti->identifier, identifier);
4855       setString(&ti->name, name);
4856       setString(&ti->name_sorting, name);
4857       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
4858
4859       pushTreeInfo(&scroll_delays, ti);
4860     }
4861
4862     // sort scroll delay values to start with lowest scroll delay value
4863     sortTreeInfo(&scroll_delays);
4864
4865     // set current scroll delay value to configured scroll delay value
4866     scroll_delay_current =
4867       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4868
4869     // if that fails, set current scroll delay to reliable default value
4870     if (scroll_delay_current == NULL)
4871       scroll_delay_current =
4872         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4873
4874     // if that also fails, set current scroll delay to first available value
4875     if (scroll_delay_current == NULL)
4876       scroll_delay_current = scroll_delays;
4877   }
4878
4879   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4880
4881   // needed for displaying scroll delay text instead of identifier
4882   scroll_delay_text = scroll_delay_current->name;
4883 }
4884
4885 static void execSetupGame_setSnapshotModes(void)
4886 {
4887   if (snapshot_modes == NULL)
4888   {
4889     int i;
4890
4891     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4892     {
4893       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4894       char identifier[32], name[32];
4895       char *value = snapshot_modes_list[i].value;
4896       char *text = snapshot_modes_list[i].text;
4897
4898       ti->node_top = &snapshot_modes;
4899       ti->sort_priority = i;
4900
4901       sprintf(identifier, "%s", value);
4902       sprintf(name, "%s", text);
4903
4904       setString(&ti->identifier, identifier);
4905       setString(&ti->name, name);
4906       setString(&ti->name_sorting, name);
4907       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
4908
4909       pushTreeInfo(&snapshot_modes, ti);
4910     }
4911
4912     // sort snapshot mode values to start with lowest snapshot mode value
4913     sortTreeInfo(&snapshot_modes);
4914
4915     // set current snapshot mode value to configured snapshot mode value
4916     snapshot_mode_current =
4917       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4918
4919     // if that fails, set current snapshot mode to reliable default value
4920     if (snapshot_mode_current == NULL)
4921       snapshot_mode_current =
4922         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4923
4924     // if that also fails, set current snapshot mode to first available value
4925     if (snapshot_mode_current == NULL)
4926       snapshot_mode_current = snapshot_modes;
4927   }
4928
4929   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4930
4931   // needed for displaying snapshot mode text instead of identifier
4932   snapshot_mode_text = snapshot_mode_current->name;
4933 }
4934
4935 static void execSetupGame_setNetworkServerText(void)
4936 {
4937   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
4938   {
4939     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
4940   }
4941   else
4942   {
4943     strncpy(network_server_hostname, setup.network_server_hostname,
4944             MAX_SETUP_TEXT_INPUT_LEN);
4945     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
4946   }
4947
4948   // needed for displaying network server text instead of identifier
4949   network_server_text = network_server_hostname;
4950 }
4951
4952 static void execSetupGame(void)
4953 {
4954   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
4955
4956   execSetupGame_setGameSpeeds(FALSE);
4957   execSetupGame_setScrollDelays();
4958   execSetupGame_setSnapshotModes();
4959
4960   execSetupGame_setNetworkServerText();
4961
4962   setup_mode = SETUP_MODE_GAME;
4963
4964   DrawSetupScreen();
4965
4966   // check if vsync needs to be disabled for this game speed to work
4967   if (check_vsync_mode)
4968     DisableVsyncIfNeeded();
4969 }
4970
4971 static void execSetupChooseGameSpeed(void)
4972 {
4973   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4974
4975   DrawSetupScreen();
4976 }
4977
4978 static void execSetupChooseScrollDelay(void)
4979 {
4980   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4981
4982   DrawSetupScreen();
4983 }
4984
4985 static void execSetupChooseSnapshotMode(void)
4986 {
4987   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4988
4989   DrawSetupScreen();
4990 }
4991
4992 static void execSetupEditor(void)
4993 {
4994   setup_mode = SETUP_MODE_EDITOR;
4995
4996   DrawSetupScreen();
4997 }
4998
4999 static void execSetupGraphics_setWindowSizes(boolean update_list)
5000 {
5001   if (window_sizes != NULL && update_list)
5002   {
5003     freeTreeInfo(window_sizes);
5004
5005     window_sizes = NULL;
5006   }
5007
5008   if (window_sizes == NULL)
5009   {
5010     boolean current_window_size_found = FALSE;
5011     int i;
5012
5013     for (i = 0; window_sizes_list[i].value != -1; i++)
5014     {
5015       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5016       char identifier[32], name[32];
5017       int value = window_sizes_list[i].value;
5018       char *text = window_sizes_list[i].text;
5019
5020       ti->node_top = &window_sizes;
5021       ti->sort_priority = value;
5022
5023       sprintf(identifier, "%d", value);
5024       sprintf(name, "%s", text);
5025
5026       setString(&ti->identifier, identifier);
5027       setString(&ti->name, name);
5028       setString(&ti->name_sorting, name);
5029       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5030
5031       pushTreeInfo(&window_sizes, ti);
5032
5033       if (value == setup.window_scaling_percent)
5034         current_window_size_found = TRUE;
5035     }
5036
5037     if (!current_window_size_found)
5038     {
5039       // add entry for non-preset window scaling value
5040
5041       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5042       char identifier[32], name[32];
5043       int value = setup.window_scaling_percent;
5044
5045       ti->node_top = &window_sizes;
5046       ti->sort_priority = value;
5047
5048       sprintf(identifier, "%d", value);
5049       sprintf(name, "%d %% (Current)", value);
5050
5051       setString(&ti->identifier, identifier);
5052       setString(&ti->name, name);
5053       setString(&ti->name_sorting, name);
5054       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5055
5056       pushTreeInfo(&window_sizes, ti);
5057     }
5058
5059     // sort window size values to start with lowest window size value
5060     sortTreeInfo(&window_sizes);
5061
5062     // set current window size value to configured window size value
5063     window_size_current =
5064       getTreeInfoFromIdentifier(window_sizes,
5065                                 i_to_a(setup.window_scaling_percent));
5066
5067     // if that fails, set current window size to reliable default value
5068     if (window_size_current == NULL)
5069       window_size_current =
5070         getTreeInfoFromIdentifier(window_sizes,
5071                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5072
5073     // if that also fails, set current window size to first available value
5074     if (window_size_current == NULL)
5075       window_size_current = window_sizes;
5076   }
5077
5078   setup.window_scaling_percent = atoi(window_size_current->identifier);
5079
5080   // needed for displaying window size text instead of identifier
5081   window_size_text = window_size_current->name;
5082 }
5083
5084 static void execSetupGraphics_setScalingTypes(void)
5085 {
5086   if (scaling_types == NULL)
5087   {
5088     int i;
5089
5090     for (i = 0; scaling_types_list[i].value != NULL; i++)
5091     {
5092       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5093       char identifier[32], name[32];
5094       char *value = scaling_types_list[i].value;
5095       char *text = scaling_types_list[i].text;
5096
5097       ti->node_top = &scaling_types;
5098       ti->sort_priority = i;
5099
5100       sprintf(identifier, "%s", value);
5101       sprintf(name, "%s", text);
5102
5103       setString(&ti->identifier, identifier);
5104       setString(&ti->name, name);
5105       setString(&ti->name_sorting, name);
5106       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5107
5108       pushTreeInfo(&scaling_types, ti);
5109     }
5110
5111     // sort scaling type values to start with lowest scaling type value
5112     sortTreeInfo(&scaling_types);
5113
5114     // set current scaling type value to configured scaling type value
5115     scaling_type_current =
5116       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5117
5118     // if that fails, set current scaling type to reliable default value
5119     if (scaling_type_current == NULL)
5120       scaling_type_current =
5121         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5122
5123     // if that also fails, set current scaling type to first available value
5124     if (scaling_type_current == NULL)
5125       scaling_type_current = scaling_types;
5126   }
5127
5128   setup.window_scaling_quality = scaling_type_current->identifier;
5129
5130   // needed for displaying scaling type text instead of identifier
5131   scaling_type_text = scaling_type_current->name;
5132 }
5133
5134 static void execSetupGraphics_setRenderingModes(void)
5135 {
5136   if (rendering_modes == NULL)
5137   {
5138     int i;
5139
5140     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5141     {
5142       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5143       char identifier[32], name[32];
5144       char *value = rendering_modes_list[i].value;
5145       char *text = rendering_modes_list[i].text;
5146
5147       ti->node_top = &rendering_modes;
5148       ti->sort_priority = i;
5149
5150       sprintf(identifier, "%s", value);
5151       sprintf(name, "%s", text);
5152
5153       setString(&ti->identifier, identifier);
5154       setString(&ti->name, name);
5155       setString(&ti->name_sorting, name);
5156       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5157
5158       pushTreeInfo(&rendering_modes, ti);
5159     }
5160
5161     // sort rendering mode values to start with lowest rendering mode value
5162     sortTreeInfo(&rendering_modes);
5163
5164     // set current rendering mode value to configured rendering mode value
5165     rendering_mode_current =
5166       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5167
5168     // if that fails, set current rendering mode to reliable default value
5169     if (rendering_mode_current == NULL)
5170       rendering_mode_current =
5171         getTreeInfoFromIdentifier(rendering_modes,
5172                                   STR_SPECIAL_RENDERING_DEFAULT);
5173
5174     // if that also fails, set current rendering mode to first available one
5175     if (rendering_mode_current == NULL)
5176       rendering_mode_current = rendering_modes;
5177   }
5178
5179   setup.screen_rendering_mode = rendering_mode_current->identifier;
5180
5181   // needed for displaying rendering mode text instead of identifier
5182   rendering_mode_text = rendering_mode_current->name;
5183 }
5184
5185 static void execSetupGraphics_setVsyncModes(boolean update_value)
5186 {
5187   if (vsync_modes == NULL)
5188   {
5189     int i;
5190
5191     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5192     {
5193       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5194       char identifier[32], name[32];
5195       char *value = vsync_modes_list[i].value;
5196       char *text = vsync_modes_list[i].text;
5197
5198       ti->node_top = &vsync_modes;
5199       ti->sort_priority = i;
5200
5201       sprintf(identifier, "%s", value);
5202       sprintf(name, "%s", text);
5203
5204       setString(&ti->identifier, identifier);
5205       setString(&ti->name, name);
5206       setString(&ti->name_sorting, name);
5207       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5208
5209       pushTreeInfo(&vsync_modes, ti);
5210     }
5211
5212     // sort vsync mode values to start with lowest vsync mode value
5213     sortTreeInfo(&vsync_modes);
5214
5215     update_value = TRUE;
5216   }
5217
5218   if (update_value)
5219   {
5220     // set current vsync mode value to configured vsync mode value
5221     vsync_mode_current =
5222       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5223
5224     // if that fails, set current vsync mode to reliable default value
5225     if (vsync_mode_current == NULL)
5226       vsync_mode_current =
5227         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5228
5229     // if that also fails, set current vsync mode to first available one
5230     if (vsync_mode_current == NULL)
5231       vsync_mode_current = vsync_modes;
5232   }
5233
5234   setup.vsync_mode = vsync_mode_current->identifier;
5235
5236   // needed for displaying vsync mode text instead of identifier
5237   vsync_mode_text = vsync_mode_current->name;
5238 }
5239
5240 static void execSetupGraphics(void)
5241 {
5242   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5243
5244   // update "setup.window_scaling_percent" from list selection
5245   // (in this case, window scaling was changed on setup screen)
5246   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5247     execSetupGraphics_setWindowSizes(FALSE);
5248
5249   // update list selection from "setup.window_scaling_percent"
5250   // (window scaling may have changed by resizing the window)
5251   execSetupGraphics_setWindowSizes(TRUE);
5252
5253   execSetupGraphics_setScalingTypes();
5254   execSetupGraphics_setRenderingModes();
5255   execSetupGraphics_setVsyncModes(FALSE);
5256
5257   setup_mode = SETUP_MODE_GRAPHICS;
5258
5259   DrawSetupScreen();
5260
5261   // check if game speed is high enough for 60 Hz vsync to work
5262   if (check_game_speed)
5263     ModifyGameSpeedIfNeeded();
5264
5265   // window scaling may have changed at this point
5266   ToggleFullscreenOrChangeWindowScalingIfNeeded();
5267
5268   // window scaling quality may have changed at this point
5269   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5270     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5271
5272   // screen rendering mode may have changed at this point
5273   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5274
5275   // screen vsync mode may have changed at this point
5276   SDLSetScreenVsyncMode(setup.vsync_mode);
5277 }
5278
5279 static void execSetupChooseWindowSize(void)
5280 {
5281   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5282
5283   DrawSetupScreen();
5284 }
5285
5286 static void execSetupChooseScalingType(void)
5287 {
5288   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5289
5290   DrawSetupScreen();
5291 }
5292
5293 static void execSetupChooseRenderingMode(void)
5294 {
5295   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5296
5297   DrawSetupScreen();
5298 }
5299
5300 static void execSetupChooseVsyncMode(void)
5301 {
5302   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5303
5304   DrawSetupScreen();
5305 }
5306
5307 static void execSetupChooseVolumeSimple(void)
5308 {
5309   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5310
5311   DrawSetupScreen();
5312 }
5313
5314 static void execSetupChooseVolumeLoops(void)
5315 {
5316   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5317
5318   DrawSetupScreen();
5319 }
5320
5321 static void execSetupChooseVolumeMusic(void)
5322 {
5323   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5324
5325   DrawSetupScreen();
5326 }
5327
5328 static void execSetupSound(void)
5329 {
5330   if (volumes_simple == NULL)
5331   {
5332     boolean current_volume_simple_found = FALSE;
5333     int i;
5334
5335     for (i = 0; volumes_list[i].value != -1; i++)
5336     {
5337       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5338       char identifier[32], name[32];
5339       int value = volumes_list[i].value;
5340       char *text = volumes_list[i].text;
5341
5342       ti->node_top = &volumes_simple;
5343       ti->sort_priority = value;
5344
5345       sprintf(identifier, "%d", value);
5346       sprintf(name, "%s", text);
5347
5348       setString(&ti->identifier, identifier);
5349       setString(&ti->name, name);
5350       setString(&ti->name_sorting, name);
5351       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5352
5353       pushTreeInfo(&volumes_simple, ti);
5354
5355       if (value == setup.volume_simple)
5356         current_volume_simple_found = TRUE;
5357     }
5358
5359     if (!current_volume_simple_found)
5360     {
5361       // add entry for non-preset volume value
5362
5363       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5364       char identifier[32], name[32];
5365       int value = setup.volume_simple;
5366
5367       ti->node_top = &volumes_simple;
5368       ti->sort_priority = value;
5369
5370       sprintf(identifier, "%d", value);
5371       sprintf(name, "%d %% (Current)", value);
5372
5373       setString(&ti->identifier, identifier);
5374       setString(&ti->name, name);
5375       setString(&ti->name_sorting, name);
5376       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5377
5378       pushTreeInfo(&volumes_simple, ti);
5379     }
5380
5381     // sort volume values to start with lowest volume value
5382     sortTreeInfo(&volumes_simple);
5383
5384     // set current volume value to configured volume value
5385     volume_simple_current =
5386       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5387
5388     // if that fails, set current volume to reliable default value
5389     if (volume_simple_current == NULL)
5390       volume_simple_current =
5391         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5392
5393     // if that also fails, set current volume to first available value
5394     if (volume_simple_current == NULL)
5395       volume_simple_current = volumes_simple;
5396   }
5397
5398   if (volumes_loops == NULL)
5399   {
5400     boolean current_volume_loops_found = FALSE;
5401     int i;
5402
5403     for (i = 0; volumes_list[i].value != -1; i++)
5404     {
5405       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5406       char identifier[32], name[32];
5407       int value = volumes_list[i].value;
5408       char *text = volumes_list[i].text;
5409
5410       ti->node_top = &volumes_loops;
5411       ti->sort_priority = value;
5412
5413       sprintf(identifier, "%d", value);
5414       sprintf(name, "%s", text);
5415
5416       setString(&ti->identifier, identifier);
5417       setString(&ti->name, name);
5418       setString(&ti->name_sorting, name);
5419       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5420
5421       pushTreeInfo(&volumes_loops, ti);
5422
5423       if (value == setup.volume_loops)
5424         current_volume_loops_found = TRUE;
5425     }
5426
5427     if (!current_volume_loops_found)
5428     {
5429       // add entry for non-preset volume value
5430
5431       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5432       char identifier[32], name[32];
5433       int value = setup.volume_loops;
5434
5435       ti->node_top = &volumes_loops;
5436       ti->sort_priority = value;
5437
5438       sprintf(identifier, "%d", value);
5439       sprintf(name, "%d %% (Current)", value);
5440
5441       setString(&ti->identifier, identifier);
5442       setString(&ti->name, name);
5443       setString(&ti->name_sorting, name);
5444       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5445
5446       pushTreeInfo(&volumes_loops, ti);
5447     }
5448
5449     // sort volume values to start with lowest volume value
5450     sortTreeInfo(&volumes_loops);
5451
5452     // set current volume value to configured volume value
5453     volume_loops_current =
5454       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5455
5456     // if that fails, set current volume to reliable default value
5457     if (volume_loops_current == NULL)
5458       volume_loops_current =
5459         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5460
5461     // if that also fails, set current volume to first available value
5462     if (volume_loops_current == NULL)
5463       volume_loops_current = volumes_loops;
5464   }
5465
5466   if (volumes_music == NULL)
5467   {
5468     boolean current_volume_music_found = FALSE;
5469     int i;
5470
5471     for (i = 0; volumes_list[i].value != -1; i++)
5472     {
5473       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5474       char identifier[32], name[32];
5475       int value = volumes_list[i].value;
5476       char *text = volumes_list[i].text;
5477
5478       ti->node_top = &volumes_music;
5479       ti->sort_priority = value;
5480
5481       sprintf(identifier, "%d", value);
5482       sprintf(name, "%s", text);
5483
5484       setString(&ti->identifier, identifier);
5485       setString(&ti->name, name);
5486       setString(&ti->name_sorting, name);
5487       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5488
5489       pushTreeInfo(&volumes_music, ti);
5490
5491       if (value == setup.volume_music)
5492         current_volume_music_found = TRUE;
5493     }
5494
5495     if (!current_volume_music_found)
5496     {
5497       // add entry for non-preset volume value
5498
5499       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5500       char identifier[32], name[32];
5501       int value = setup.volume_music;
5502
5503       ti->node_top = &volumes_music;
5504       ti->sort_priority = value;
5505
5506       sprintf(identifier, "%d", value);
5507       sprintf(name, "%d %% (Current)", value);
5508
5509       setString(&ti->identifier, identifier);
5510       setString(&ti->name, name);
5511       setString(&ti->name_sorting, name);
5512       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5513
5514       pushTreeInfo(&volumes_music, ti);
5515     }
5516
5517     // sort volume values to start with lowest volume value
5518     sortTreeInfo(&volumes_music);
5519
5520     // set current volume value to configured volume value
5521     volume_music_current =
5522       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5523
5524     // if that fails, set current volume to reliable default value
5525     if (volume_music_current == NULL)
5526       volume_music_current =
5527         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5528
5529     // if that also fails, set current volume to first available value
5530     if (volume_music_current == NULL)
5531       volume_music_current = volumes_music;
5532   }
5533
5534   setup.volume_simple = atoi(volume_simple_current->identifier);
5535   setup.volume_loops  = atoi(volume_loops_current->identifier);
5536   setup.volume_music  = atoi(volume_music_current->identifier);
5537
5538   // needed for displaying volume text instead of identifier
5539   volume_simple_text = volume_simple_current->name;
5540   volume_loops_text = volume_loops_current->name;
5541   volume_music_text = volume_music_current->name;
5542
5543   setup_mode = SETUP_MODE_SOUND;
5544
5545   DrawSetupScreen();
5546 }
5547
5548 static void execSetupChooseTouchControls(void)
5549 {
5550   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5551
5552   DrawSetupScreen();
5553 }
5554
5555 static void execSetupChooseMoveDistance(void)
5556 {
5557   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5558
5559   DrawSetupScreen();
5560 }
5561
5562 static void execSetupChooseDropDistance(void)
5563 {
5564   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5565
5566   DrawSetupScreen();
5567 }
5568
5569 static void execSetupChooseTransparency(void)
5570 {
5571   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5572
5573   DrawSetupScreen();
5574 }
5575
5576 static void execSetupChooseGridXSize_0(void)
5577 {
5578   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5579
5580   DrawSetupScreen();
5581 }
5582
5583 static void execSetupChooseGridYSize_0(void)
5584 {
5585   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5586
5587   DrawSetupScreen();
5588 }
5589
5590 static void execSetupChooseGridXSize_1(void)
5591 {
5592   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5593
5594   DrawSetupScreen();
5595 }
5596
5597 static void execSetupChooseGridYSize_1(void)
5598 {
5599   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5600
5601   DrawSetupScreen();
5602 }
5603
5604 static void execSetupConfigureVirtualButtons(void)
5605 {
5606   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5607
5608   ConfigureVirtualButtons();
5609
5610   setup_mode = SETUP_MODE_TOUCH;
5611
5612   DrawSetupScreen();
5613 }
5614
5615 static void execSetupTouch(void)
5616 {
5617   int i, j, k;
5618
5619   if (touch_controls == NULL)
5620   {
5621     for (i = 0; touch_controls_list[i].value != NULL; i++)
5622     {
5623       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5624       char identifier[32], name[32];
5625       char *value = touch_controls_list[i].value;
5626       char *text = touch_controls_list[i].text;
5627
5628       ti->node_top = &touch_controls;
5629       ti->sort_priority = i;
5630
5631       sprintf(identifier, "%s", value);
5632       sprintf(name, "%s", text);
5633
5634       setString(&ti->identifier, identifier);
5635       setString(&ti->name, name);
5636       setString(&ti->name_sorting, name);
5637       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5638
5639       pushTreeInfo(&touch_controls, ti);
5640     }
5641
5642     // sort touch control values to start with lowest touch control value
5643     sortTreeInfo(&touch_controls);
5644
5645     // set current touch control value to configured touch control value
5646     touch_control_current =
5647       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5648
5649     // if that fails, set current touch control to reliable default value
5650     if (touch_control_current == NULL)
5651       touch_control_current =
5652         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5653
5654     // if that also fails, set current touch control to first available value
5655     if (touch_control_current == NULL)
5656       touch_control_current = touch_controls;
5657   }
5658
5659   if (move_distances == NULL)
5660   {
5661     for (i = 0; distances_list[i].value != -1; i++)
5662     {
5663       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5664       char identifier[32], name[32];
5665       int value = distances_list[i].value;
5666       char *text = distances_list[i].text;
5667
5668       ti->node_top = &move_distances;
5669       ti->sort_priority = value;
5670
5671       sprintf(identifier, "%d", value);
5672       sprintf(name, "%s", text);
5673
5674       setString(&ti->identifier, identifier);
5675       setString(&ti->name, name);
5676       setString(&ti->name_sorting, name);
5677       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5678
5679       pushTreeInfo(&move_distances, ti);
5680     }
5681
5682     // sort distance values to start with lowest distance value
5683     sortTreeInfo(&move_distances);
5684
5685     // set current distance value to configured distance value
5686     move_distance_current =
5687       getTreeInfoFromIdentifier(move_distances,
5688                                 i_to_a(setup.touch.move_distance));
5689
5690     // if that fails, set current distance to reliable default value
5691     if (move_distance_current == NULL)
5692       move_distance_current =
5693         getTreeInfoFromIdentifier(move_distances,
5694                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
5695
5696     // if that also fails, set current distance to first available value
5697     if (move_distance_current == NULL)
5698       move_distance_current = move_distances;
5699   }
5700
5701   if (drop_distances == NULL)
5702   {
5703     for (i = 0; distances_list[i].value != -1; i++)
5704     {
5705       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5706       char identifier[32], name[32];
5707       int value = distances_list[i].value;
5708       char *text = distances_list[i].text;
5709
5710       ti->node_top = &drop_distances;
5711       ti->sort_priority = value;
5712
5713       sprintf(identifier, "%d", value);
5714       sprintf(name, "%s", text);
5715
5716       setString(&ti->identifier, identifier);
5717       setString(&ti->name, name);
5718       setString(&ti->name_sorting, name);
5719       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5720
5721       pushTreeInfo(&drop_distances, ti);
5722     }
5723
5724     // sort distance values to start with lowest distance value
5725     sortTreeInfo(&drop_distances);
5726
5727     // set current distance value to configured distance value
5728     drop_distance_current =
5729       getTreeInfoFromIdentifier(drop_distances,
5730                                 i_to_a(setup.touch.drop_distance));
5731
5732     // if that fails, set current distance to reliable default value
5733     if (drop_distance_current == NULL)
5734       drop_distance_current =
5735         getTreeInfoFromIdentifier(drop_distances,
5736                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
5737
5738     // if that also fails, set current distance to first available value
5739     if (drop_distance_current == NULL)
5740       drop_distance_current = drop_distances;
5741   }
5742
5743   if (transparencies == NULL)
5744   {
5745     for (i = 0; transparencies_list[i].value != -1; i++)
5746     {
5747       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5748       char identifier[32], name[32];
5749       int value = transparencies_list[i].value;
5750       char *text = transparencies_list[i].text;
5751
5752       ti->node_top = &transparencies;
5753       ti->sort_priority = value;
5754
5755       sprintf(identifier, "%d", value);
5756       sprintf(name, "%s", text);
5757
5758       setString(&ti->identifier, identifier);
5759       setString(&ti->name, name);
5760       setString(&ti->name_sorting, name);
5761       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
5762
5763       pushTreeInfo(&transparencies, ti);
5764     }
5765
5766     // sort transparency values to start with lowest transparency value
5767     sortTreeInfo(&transparencies);
5768
5769     // set current transparency value to configured transparency value
5770     transparency_current =
5771       getTreeInfoFromIdentifier(transparencies,
5772                                 i_to_a(setup.touch.transparency));
5773
5774     // if that fails, set current transparency to reliable default value
5775     if (transparency_current == NULL)
5776       transparency_current =
5777         getTreeInfoFromIdentifier(transparencies,
5778                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
5779
5780     // if that also fails, set current transparency to first available value
5781     if (transparency_current == NULL)
5782       transparency_current = transparencies;
5783   }
5784
5785   for (i = 0; i < 2; i++)
5786   {
5787     for (j = 0; j < 2; j++)
5788     {
5789       if (grid_sizes[i][j] == NULL)
5790       {
5791         for (k = 0; grid_sizes_list[k].value != -1; k++)
5792         {
5793           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5794           char identifier[32], name[32];
5795           int value = grid_sizes_list[k].value;
5796           char *text = grid_sizes_list[k].text;
5797
5798           ti->node_top = &grid_sizes[i][j];
5799           ti->sort_priority = value;
5800
5801           sprintf(identifier, "%d", value);
5802           sprintf(name, "%s", text);
5803
5804           setString(&ti->identifier, identifier);
5805           setString(&ti->name, name);
5806           setString(&ti->name_sorting, name);
5807           setString(&ti->infotext,
5808                     (i == 0 ?
5809                      (j == 0 ?
5810                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
5811                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
5812                      (j == 0 ?
5813                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
5814                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
5815
5816           pushTreeInfo(&grid_sizes[i][j], ti);
5817         }
5818
5819         // sort grid size values to start with lowest grid size value
5820         sortTreeInfo(&grid_sizes[i][j]);
5821
5822         // set current grid size value to configured grid size value
5823         grid_size_current[i][j] =
5824           getTreeInfoFromIdentifier(grid_sizes[i][j],
5825                                     i_to_a(j == 0 ?
5826                                            setup.touch.grid_xsize[i] :
5827                                            setup.touch.grid_ysize[i]));
5828
5829         // if that fails, set current grid size to reliable default value
5830         if (grid_size_current[i][j] == NULL)
5831           grid_size_current[i][j] =
5832             getTreeInfoFromIdentifier(grid_sizes[i][j],
5833                                       i_to_a(j == 0 ?
5834                                              DEFAULT_GRID_XSIZE(i) :
5835                                              DEFAULT_GRID_YSIZE(i)));
5836
5837         // if that also fails, set current grid size to first available value
5838         if (grid_size_current[i][j] == NULL)
5839           grid_size_current[i][j] = grid_sizes[i][j];
5840       }
5841     }
5842   }
5843
5844   setup.touch.control_type = touch_control_current->identifier;
5845   setup.touch.move_distance = atoi(move_distance_current->identifier);
5846   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5847   setup.touch.transparency = atoi(transparency_current->identifier);
5848
5849   for (i = 0; i < 2; i++)
5850   {
5851     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
5852     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
5853
5854     if (i == GRID_ACTIVE_NR())
5855     {
5856       overlay.grid_xsize = setup.touch.grid_xsize[i];
5857       overlay.grid_ysize = setup.touch.grid_ysize[i];
5858     }
5859   }
5860
5861   // needed for displaying value text instead of identifier
5862   touch_controls_text = touch_control_current->name;
5863   move_distance_text = move_distance_current->name;
5864   drop_distance_text = drop_distance_current->name;
5865   transparency_text = transparency_current->name;
5866
5867   for (i = 0; i < 2; i++)
5868     for (j = 0; j < 2; j++)
5869       grid_size_text[i][j] = grid_size_current[i][j]->name;
5870
5871   setup_mode = SETUP_MODE_TOUCH;
5872
5873   DrawSetupScreen();
5874 }
5875
5876 static void execSetupArtwork(void)
5877 {
5878 #if 0
5879   printf("::: '%s', '%s', '%s'\n",
5880          artwork.gfx_current->subdir,
5881          artwork.gfx_current->fullpath,
5882          artwork.gfx_current->basepath);
5883 #endif
5884
5885   setup.graphics_set = artwork.gfx_current->identifier;
5886   setup.sounds_set = artwork.snd_current->identifier;
5887   setup.music_set = artwork.mus_current->identifier;
5888
5889   // needed if last screen (setup choice) changed graphics, sounds or music
5890   ReloadCustomArtwork(0);
5891
5892   // needed for displaying artwork name instead of artwork identifier
5893   graphics_set_name = artwork.gfx_current->name;
5894   sounds_set_name = artwork.snd_current->name;
5895   music_set_name = artwork.mus_current->name;
5896
5897   setup_mode = SETUP_MODE_ARTWORK;
5898
5899   DrawSetupScreen();
5900 }
5901
5902 static void execSetupChooseGraphics(void)
5903 {
5904   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5905
5906   DrawSetupScreen();
5907 }
5908
5909 static void execSetupChooseSounds(void)
5910 {
5911   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5912
5913   DrawSetupScreen();
5914 }
5915
5916 static void execSetupChooseMusic(void)
5917 {
5918   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5919
5920   DrawSetupScreen();
5921 }
5922
5923 static void execSetupInput(void)
5924 {
5925   setup_mode = SETUP_MODE_INPUT;
5926
5927   DrawSetupScreen();
5928 }
5929
5930 static void execSetupShortcuts(void)
5931 {
5932   setup_mode = SETUP_MODE_SHORTCUTS;
5933
5934   DrawSetupScreen();
5935 }
5936
5937 static void execSetupShortcuts1(void)
5938 {
5939   setup_mode = SETUP_MODE_SHORTCUTS_1;
5940
5941   DrawSetupScreen();
5942 }
5943
5944 static void execSetupShortcuts2(void)
5945 {
5946   setup_mode = SETUP_MODE_SHORTCUTS_2;
5947
5948   DrawSetupScreen();
5949 }
5950
5951 static void execSetupShortcuts3(void)
5952 {
5953   setup_mode = SETUP_MODE_SHORTCUTS_3;
5954
5955   DrawSetupScreen();
5956 }
5957
5958 static void execSetupShortcuts4(void)
5959 {
5960   setup_mode = SETUP_MODE_SHORTCUTS_4;
5961
5962   DrawSetupScreen();
5963 }
5964
5965 static void execSetupShortcuts5(void)
5966 {
5967   setup_mode = SETUP_MODE_SHORTCUTS_5;
5968
5969   DrawSetupScreen();
5970 }
5971
5972 static void execExitSetup(void)
5973 {
5974   SetGameStatus(GAME_MODE_MAIN);
5975
5976   DrawMainMenu();
5977 }
5978
5979 static void execSaveAndExitSetup(void)
5980 {
5981   SaveSetup();
5982   execExitSetup();
5983 }
5984
5985 static void execGadgetNetworkServer(void)
5986 {
5987   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
5988   struct GadgetInfo *gi = screen_gadget[gadget_id];
5989
5990   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5991     network_server_hostname[0] = '\0';
5992
5993   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
5994
5995   MapGadget(gi);
5996
5997   ClickOnGadget(gi, MB_LEFTBUTTON);
5998 }
5999
6000 static void ToggleNetworkModeIfNeeded(void)
6001 {
6002   int font_title = FONT_TITLE_1;
6003   int font_foot = FC_BLUE;
6004   int ystart  = mSY - SY + 16;
6005   int ybottom = mSY - SY + SYSIZE - 20;
6006   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6007
6008   if (setup.network_mode == network.enabled)
6009     return;
6010
6011   network.enabled = setup.network_mode;
6012
6013   FadeOut(REDRAW_ALL);
6014
6015   ClearField();
6016
6017   DrawTextSCentered(ystart, font_title, text);
6018
6019   FadeIn(REDRAW_ALL);
6020
6021   if (network.enabled)
6022     InitNetworkServer();
6023   else
6024     DisconnectFromNetworkServer();
6025
6026   DrawTextSCentered(ybottom, font_foot,
6027                     "Press any key or button for setup menu");
6028
6029   WaitForEventToContinue();
6030
6031   DrawSetupScreen();
6032 }
6033
6034 static void ToggleGameSpeedsListIfNeeded(void)
6035 {
6036   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6037
6038   if (setup.game_speed_extended == using_game_speeds_extended)
6039     return;
6040
6041   // try to match similar values when changing game speeds list
6042   if (setup.game_speed_extended)
6043     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6044                               setup.game_frame_delay == 30 ? 29 :
6045                               setup.game_frame_delay);
6046   else
6047     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6048                               setup.game_frame_delay == 16 ? 15 :
6049                               setup.game_frame_delay >= 29 ? 30 :
6050                               setup.game_frame_delay <= 10 ? 10 :
6051                               setup.game_frame_delay);
6052
6053   execSetupGame_setGameSpeeds(TRUE);
6054
6055   DrawSetupScreen();
6056 }
6057
6058 static void ModifyGameSpeedIfNeeded(void)
6059 {
6060   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6061       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6062     return;
6063
6064   char message[100];
6065   char *game_speed_text = "Fast";
6066   int game_speed_value = 15;
6067
6068   if (setup.game_speed_extended)
6069   {
6070     game_speed_text = "60 fps";
6071     game_speed_value = 16;
6072   }
6073
6074   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6075
6076   // set game speed to existing list value that is fast enough for vsync
6077   setup.game_frame_delay = game_speed_value;
6078
6079   execSetupGame_setGameSpeeds(TRUE);
6080
6081   Request(message, REQ_CONFIRM);
6082 }
6083
6084 static void DisableVsyncIfNeeded(void)
6085 {
6086   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6087       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6088        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6089     return;
6090
6091   // disable vsync for the selected game speed to work
6092   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6093
6094   execSetupGraphics_setVsyncModes(TRUE);
6095
6096   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6097 }
6098
6099 static struct
6100 {
6101   void *value;
6102   void *related_value;
6103 } hide_related_entry_list[] =
6104 {
6105   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6106   { &setup.game_frame_delay,            &game_speed_text                },
6107
6108   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6109   { &setup.scroll_delay_value,          &scroll_delay_text              },
6110
6111   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6112   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6113
6114   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6115   { &setup.window_scaling_percent,      &window_size_text               },
6116
6117   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6118   { &setup.window_scaling_quality,      &scaling_type_text              },
6119
6120   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6121   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6122
6123   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6124   { &setup.vsync_mode,                  &vsync_mode_text                },
6125
6126   { &setup.graphics_set,                execSetupChooseGraphics         },
6127   { &setup.graphics_set,                &graphics_set_name              },
6128
6129   { &setup.sounds_set,                  execSetupChooseSounds           },
6130   { &setup.sounds_set,                  &sounds_set_name                },
6131
6132   { &setup.music_set,                   execSetupChooseMusic            },
6133   { &setup.music_set,                   &music_set_name                 },
6134
6135   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6136   { &setup.volume_simple,               &volume_simple_text             },
6137
6138   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6139   { &setup.volume_loops,                &volume_loops_text              },
6140
6141   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6142   { &setup.volume_music,                &volume_music_text              },
6143
6144   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6145   { &setup.touch.control_type,          &touch_controls_text            },
6146
6147   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6148   { &setup.touch.move_distance,         &move_distance_text             },
6149
6150   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6151   { &setup.touch.drop_distance,         &drop_distance_text             },
6152
6153   { &setup.touch.transparency,          execSetupChooseTransparency     },
6154   { &setup.touch.transparency,          &transparency_text              },
6155
6156   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6157   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6158
6159   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6160   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6161
6162   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6163   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6164
6165   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6166   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6167
6168   { NULL,                               NULL                            }
6169 };
6170
6171 void setHideRelatedSetupEntries(void)
6172 {
6173   int i;
6174
6175   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6176     if (hideSetupEntry(hide_related_entry_list[i].value))
6177       setHideSetupEntry(hide_related_entry_list[i].related_value);
6178 }
6179
6180 static struct TokenInfo setup_info_main[] =
6181 {
6182   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6183   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6184   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6185   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6186   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6187   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6188   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6189   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6190   { TYPE_EMPTY,         NULL,                   ""                      },
6191   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6192   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6193
6194   { 0,                  NULL,                   NULL                    }
6195 };
6196
6197 static struct TokenInfo setup_info_game[] =
6198 {
6199   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6200   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6201   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6202   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6203   { TYPE_STRING,        &network_server_text,   ""                      },
6204   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6205   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6206   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6207   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6208   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6209   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6210   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6211   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6212   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6213   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6214   { TYPE_STRING,        &game_speed_text,       ""                      },
6215   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6216 #if 1
6217   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6218   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6219 #endif
6220   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6221   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6222   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6223   { TYPE_EMPTY,         NULL,                   ""                      },
6224   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6225
6226   { 0,                  NULL,                   NULL                    }
6227 };
6228
6229 static struct TokenInfo setup_info_editor[] =
6230 {
6231 #if 0
6232   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6233   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6234   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6235   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6236   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6237   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6238   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6239   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6240   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6241   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6242 #endif
6243   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6244   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6245 #if 0
6246   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6247 #endif
6248   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6249   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6250   { TYPE_EMPTY,         NULL,                   ""                      },
6251 #if 0
6252   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6253   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6254   { TYPE_EMPTY,         NULL,                   ""                      },
6255 #endif
6256   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6257   { TYPE_EMPTY,         NULL,                   ""                      },
6258   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6259
6260   { 0,                  NULL,                   NULL                    }
6261 };
6262
6263 static struct TokenInfo setup_info_graphics[] =
6264 {
6265 #if !defined(PLATFORM_ANDROID)
6266   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6267   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6268   { TYPE_STRING,        &window_size_text,      ""                      },
6269   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6270   { TYPE_STRING,        &scaling_type_text,     ""                      },
6271   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6272   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6273 #endif
6274 #if 0
6275   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6276   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6277 #endif
6278   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6279   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6280   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6281   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6282   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6283   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6284   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6285   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
6286   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
6287   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6288   { TYPE_EMPTY,         NULL,                   ""                      },
6289   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6290
6291   { 0,                  NULL,                   NULL                    }
6292 };
6293
6294 static struct TokenInfo setup_info_sound[] =
6295 {
6296   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6297   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6298   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6299   { TYPE_EMPTY,         NULL,                   ""                      },
6300   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6301   { TYPE_STRING,        &volume_simple_text,    ""                      },
6302   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6303   { TYPE_STRING,        &volume_loops_text,     ""                      },
6304   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6305   { TYPE_STRING,        &volume_music_text,     ""                      },
6306   { TYPE_EMPTY,         NULL,                   ""                      },
6307   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6308
6309   { 0,                  NULL,                   NULL                    }
6310 };
6311
6312 static struct TokenInfo setup_info_artwork[] =
6313 {
6314   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6315   { TYPE_STRING,        &graphics_set_name,     ""                      },
6316   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6317   { TYPE_STRING,        &sounds_set_name,       ""                      },
6318   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6319   { TYPE_STRING,        &music_set_name,        ""                      },
6320   { TYPE_EMPTY,         NULL,                   ""                      },
6321   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6322   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6323   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6324   { TYPE_EMPTY,         NULL,                   ""                      },
6325   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6326
6327   { 0,                  NULL,                   NULL                    }
6328 };
6329
6330 static struct TokenInfo setup_info_input[] =
6331 {
6332   { TYPE_SWITCH,        NULL,                   "Player:"               },
6333   { TYPE_SWITCH,        NULL,                   "Device:"               },
6334   { TYPE_SWITCH,        NULL,                   ""                      },
6335   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6336   { TYPE_EMPTY,         NULL,                   ""                      },
6337   { TYPE_EMPTY,         NULL,                   ""                      },
6338   { TYPE_EMPTY,         NULL,                   ""                      },
6339   { TYPE_EMPTY,         NULL,                   ""                      },
6340   { TYPE_EMPTY,         NULL,                   ""                      },
6341   { TYPE_EMPTY,         NULL,                   ""                      },
6342   { TYPE_EMPTY,         NULL,                   ""                      },
6343   { TYPE_EMPTY,         NULL,                   ""                      },
6344   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6345   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6346
6347   { 0,                  NULL,                   NULL                    }
6348 };
6349
6350 static struct TokenInfo setup_info_touch[] =
6351 {
6352   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6353   { TYPE_STRING,        &touch_controls_text,   ""                      },
6354   { TYPE_EMPTY,         NULL,                   ""                      },
6355   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6356
6357   { 0,                  NULL,                   NULL                    }
6358 };
6359
6360 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6361 {
6362   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6363   { TYPE_STRING,        &touch_controls_text,   ""                      },
6364   { TYPE_EMPTY,         NULL,                   ""                      },
6365   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6366   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6367   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6368   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6369   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6370   { TYPE_STRING,        &transparency_text,     ""                      },
6371   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6372   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6373   { TYPE_EMPTY,         NULL,                   ""                      },
6374   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6375   { TYPE_EMPTY,         NULL,                   ""                      },
6376   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6377
6378   { 0,                  NULL,                   NULL                    }
6379 };
6380
6381 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6382 {
6383   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6384   { TYPE_STRING,        &touch_controls_text,   ""                      },
6385   { TYPE_EMPTY,         NULL,                   ""                      },
6386   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6387   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6388   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6389   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6390   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6391   { TYPE_STRING,        &transparency_text,     ""                      },
6392   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6393   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6394   { TYPE_EMPTY,         NULL,                   ""                      },
6395   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6396   { TYPE_EMPTY,         NULL,                   ""                      },
6397   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6398
6399   { 0,                  NULL,                   NULL                    }
6400 };
6401
6402 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6403 {
6404   setup_info_touch_virtual_buttons_0,
6405   setup_info_touch_virtual_buttons_1
6406 };
6407
6408 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6409 {
6410   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6411   { TYPE_STRING,        &touch_controls_text,   ""                      },
6412   { TYPE_EMPTY,         NULL,                   ""                      },
6413   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6414   { TYPE_STRING,        &move_distance_text,    ""                      },
6415   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6416   { TYPE_STRING,        &drop_distance_text,    ""                      },
6417   { TYPE_EMPTY,         NULL,                   ""                      },
6418   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6419
6420   { 0,                  NULL,                   NULL                    }
6421 };
6422
6423 static struct TokenInfo setup_info_shortcuts[] =
6424 {
6425   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6426   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6427   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6428   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6429   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6430   { TYPE_EMPTY,         NULL,                   ""                      },
6431   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6432
6433   { 0,                  NULL,                   NULL                    }
6434 };
6435
6436 static struct TokenInfo setup_info_shortcuts_1[] =
6437 {
6438   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6439   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6440   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6441   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6442   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6443   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6444   { TYPE_EMPTY,         NULL,                   ""                      },
6445   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6446   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6447   { TYPE_EMPTY,         NULL,                   ""                      },
6448   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6449
6450   { 0,                  NULL,                   NULL                    }
6451 };
6452
6453 static struct TokenInfo setup_info_shortcuts_2[] =
6454 {
6455   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6456   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6457   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6458   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6459   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6460   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6461   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6462   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6463   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6464   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6465   { TYPE_EMPTY,         NULL,                   ""                      },
6466   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6467
6468   { 0,                  NULL,                   NULL                    }
6469 };
6470
6471 static struct TokenInfo setup_info_shortcuts_3[] =
6472 {
6473   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6474   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6475   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6476   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6477   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6478   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6479   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6480   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6481   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6482   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6483   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6484   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6485   { TYPE_EMPTY,         NULL,                   ""                      },
6486   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6487
6488   { 0,                  NULL,                   NULL                    }
6489 };
6490
6491 static struct TokenInfo setup_info_shortcuts_4[] =
6492 {
6493   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6494   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6495   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6496   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6497   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6498   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6499   { TYPE_EMPTY,         NULL,                   ""                      },
6500   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6501
6502   { 0,                  NULL,                   NULL                    }
6503 };
6504
6505 static struct TokenInfo setup_info_shortcuts_5[] =
6506 {
6507   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6508   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6509   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6510   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6511   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6512   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6513   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6514   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6515   { TYPE_EMPTY,         NULL,                   ""                      },
6516   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6517
6518   { 0,                  NULL,                   NULL                    }
6519 };
6520
6521 static Key getSetupKey(void)
6522 {
6523   Key key = KSYM_UNDEFINED;
6524   boolean got_key_event = FALSE;
6525
6526   while (!got_key_event)
6527   {
6528     Event event;
6529
6530     if (NextValidEvent(&event))
6531     {
6532       switch (event.type)
6533       {
6534         case EVENT_KEYPRESS:
6535           {
6536             key = GetEventKey((KeyEvent *)&event, TRUE);
6537
6538             // press 'Escape' or 'Enter' to keep the existing key binding
6539             if (key == KSYM_Escape || key == KSYM_Return)
6540               key = KSYM_UNDEFINED;     // keep old value
6541
6542             got_key_event = TRUE;
6543           }
6544           break;
6545
6546         case EVENT_KEYRELEASE:
6547           key_joystick_mapping = 0;
6548           break;
6549
6550         default:
6551           HandleOtherEvents(&event);
6552           break;
6553       }
6554     }
6555
6556     BackToFront();
6557   }
6558
6559   return key;
6560 }
6561
6562 static int getSetupValueFont(int type, void *value)
6563 {
6564   if (type & TYPE_GHOSTED)
6565     return FONT_OPTION_OFF;
6566   else if (type & TYPE_KEY)
6567     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6568   else if (type & TYPE_STRING)
6569     return FONT_VALUE_2;
6570   else if (type & TYPE_ECS_AGA)
6571     return FONT_VALUE_1;
6572   else if (type & TYPE_BOOLEAN_STYLE)
6573     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6574   else if (type & TYPE_YES_NO_AUTO)
6575     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6576             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6577   else if (type & TYPE_PLAYER)
6578     return FONT_VALUE_1;
6579   else
6580     return FONT_VALUE_1;
6581 }
6582
6583 static int getSetupValueFontNarrow(int type, int font_nr)
6584 {
6585   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6586           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6587           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6588           font_nr);
6589 }
6590
6591 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6592 {
6593   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6594   struct TokenInfo *si = &setup_info[si_pos];
6595   boolean font_draw_xoffset_modified = FALSE;
6596   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6597   int font_draw_xoffset_old = -1;
6598   int xoffset = (scrollbar_needed ? -1 : 0);
6599   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6600   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6601   int xpos = menu_screen_value_xpos;
6602   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6603   int startx = mSX + xpos * 32;
6604   int starty = mSY + ypos * 32;
6605   int type = si->type;
6606   void *value = si->value;
6607   char *value_string = getSetupValue(type, value);
6608   int font_nr_default = getSetupValueFont(type, value);
6609   int font_width_default = getFontWidth(font_nr_default);
6610   int font_nr = font_nr_default;
6611   int i;
6612
6613   if (value_string == NULL)
6614     return;
6615
6616   if (type & TYPE_KEY)
6617   {
6618     xpos = MENU_SCREEN_START_XPOS;
6619
6620     if (type & TYPE_QUERY)
6621       value_string = "<press key>";
6622   }
6623   else if (type & TYPE_STRING)
6624   {
6625     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
6626
6627     xpos = MENU_SCREEN_START_XPOS;
6628
6629     if (strlen(value_string) > max_value_len)
6630       value_string[max_value_len] = '\0';
6631   }
6632   else if (type & TYPE_YES_NO_AUTO)
6633   {
6634     xpos = menu_screen_value_xpos - 1;
6635   }
6636   else if (type & TYPE_PLAYER)
6637   {
6638     int displayed_player_nr = *(int *)value + 1;
6639
6640     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
6641   }
6642
6643   startx = mSX + xpos * 32;
6644   starty = mSY + ypos * 32;
6645
6646   // special check if right-side setup values moved left due to scrollbar
6647   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
6648   {
6649     int max_menu_text_length = 26;      // maximum text length for classic menu
6650     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6651     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6652     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6653     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6654     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
6655
6656     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
6657     {
6658       xpos += 1;
6659       startx = mSX + xpos * 32;
6660
6661       font_nr = getSetupValueFontNarrow(type, font_nr);
6662     }
6663   }
6664
6665   // downward compatibility correction for Juergen Bonhagen's menu settings
6666   if (setup_mode != SETUP_MODE_INPUT)
6667   {
6668     int max_menu_text_length_big = (menu_screen_value_xpos -
6669                                     MENU_SCREEN_START_XPOS);
6670     int max_menu_text_length_medium = max_menu_text_length_big * 2;
6671     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
6672     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6673     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
6674     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6675     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6676     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6677     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
6678     boolean correct_font_draw_xoffset = FALSE;
6679
6680     if (xpos == MENU_SCREEN_START_XPOS &&
6681         startx + font1_xoffset < text_startx + text_font_xoffset)
6682       correct_font_draw_xoffset = TRUE;
6683
6684     if (xpos == menu_screen_value_xpos &&
6685         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
6686       correct_font_draw_xoffset = TRUE;
6687
6688     // check if setup value would overlap with setup text when printed
6689     // (this can happen for extreme/wrong values for font draw offset)
6690     if (correct_font_draw_xoffset)
6691     {
6692       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
6693       font_draw_xoffset_modified = TRUE;
6694
6695       if (type & TYPE_KEY)
6696         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
6697       else if (!(type & TYPE_STRING))
6698         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
6699           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
6700     }
6701   }
6702
6703   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
6704     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
6705
6706   DrawText(startx, starty, value_string, font_nr);
6707
6708   if (type & TYPE_PLAYER)
6709   {
6710     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
6711     int player_nr = *(int *)value;
6712     int xoff = font->draw_xoffset + getFontWidth(font_nr);
6713     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
6714     int startx2 = startx + xoff;
6715     int starty2 = starty + yoff;
6716
6717     if (DrawingOnBackground(startx2, starty2))
6718       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
6719
6720     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
6721                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6722   }
6723
6724   if (font_draw_xoffset_modified)
6725     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
6726 }
6727
6728 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
6729 {
6730   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6731   struct TokenInfo *si = &setup_info[si_pos];
6732
6733   if (si->type & TYPE_BOOLEAN_STYLE)
6734   {
6735     *(boolean *)si->value ^= TRUE;
6736   }
6737   else if (si->type & TYPE_YES_NO_AUTO)
6738   {
6739     *(int *)si->value =
6740       (dx == -1 ?
6741        (*(int *)si->value == AUTO ? TRUE :
6742         *(int *)si->value == TRUE ? FALSE : AUTO) :
6743        (*(int *)si->value == TRUE ? AUTO :
6744         *(int *)si->value == AUTO ? FALSE : TRUE));
6745   }
6746   else if (si->type & TYPE_KEY)
6747   {
6748     Key key;
6749
6750     si->type |= TYPE_QUERY;
6751     drawSetupValue(screen_pos, setup_info_pos_raw);
6752     si->type &= ~TYPE_QUERY;
6753
6754     key = getSetupKey();
6755     if (key != KSYM_UNDEFINED)
6756       *(Key *)si->value = key;
6757   }
6758   else if (si->type & TYPE_PLAYER)
6759   {
6760     int player_nr = *(int *)si->value;
6761
6762     if (dx)
6763       player_nr += dx;
6764     else
6765       player_nr = Request("Choose player", REQ_PLAYER) - 1;
6766
6767     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
6768   }
6769
6770   drawSetupValue(screen_pos, setup_info_pos_raw);
6771
6772   // fullscreen state may have changed at this point
6773   if (si->value == &setup.fullscreen)
6774     ToggleFullscreenOrChangeWindowScalingIfNeeded();
6775
6776   // network mode may have changed at this point
6777   if (si->value == &setup.network_mode)
6778     ToggleNetworkModeIfNeeded();
6779
6780   // game speed list may have changed at this point
6781   if (si->value == &setup.game_speed_extended)
6782     ToggleGameSpeedsListIfNeeded();
6783 }
6784
6785 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
6786 {
6787   static struct TokenInfo *setup_info_final = NULL;
6788   int list_size = 0;
6789   int list_pos = 0;
6790   int i;
6791
6792   // determine maximum list size of target list
6793   while (setup_info_orig[list_size++].type != 0);
6794
6795   // free, allocate and clear memory for target list
6796   checked_free(setup_info_final);
6797   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
6798
6799   // copy setup info list without setup entries marked as hidden
6800   for (i = 0; setup_info_orig[i].type != 0; i++)
6801   {
6802     // skip setup entries configured to be hidden
6803     if (hideSetupEntry(setup_info_orig[i].value))
6804       continue;
6805
6806     // skip skippable setup entries if screen is lower than usual
6807     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
6808         setup_info_orig[i].type == TYPE_SKIPPABLE)
6809       continue;
6810
6811     setup_info_final[list_pos++] = setup_info_orig[i];
6812   }
6813
6814   return setup_info_final;
6815 }
6816
6817 static void DrawSetupScreen_Generic(void)
6818 {
6819   int fade_mask = REDRAW_FIELD;
6820   boolean redraw_all = FALSE;
6821   char *title_string = NULL;
6822   int i;
6823
6824   if (CheckFadeAll())
6825     fade_mask = REDRAW_ALL;
6826
6827   UnmapAllGadgets();
6828   FadeMenuSoundsAndMusic();
6829
6830   FreeScreenGadgets();
6831   CreateScreenGadgets();
6832
6833   if (redraw_mask & REDRAW_ALL)
6834     redraw_all = TRUE;
6835
6836   FadeOut(fade_mask);
6837
6838   // needed if different viewport properties defined for setup screen
6839   ChangeViewportPropertiesIfNeeded();
6840
6841   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6842
6843   ClearField();
6844
6845   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
6846
6847   if (setup_mode == SETUP_MODE_MAIN)
6848   {
6849     setup_info = setup_info_main;
6850     title_string = STR_SETUP_MAIN;
6851   }
6852   else if (setup_mode == SETUP_MODE_GAME)
6853   {
6854     setup_info = setup_info_game;
6855     title_string = STR_SETUP_GAME;
6856   }
6857   else if (setup_mode == SETUP_MODE_EDITOR)
6858   {
6859     setup_info = setup_info_editor;
6860     title_string = STR_SETUP_EDITOR;
6861   }
6862   else if (setup_mode == SETUP_MODE_GRAPHICS)
6863   {
6864     setup_info = setup_info_graphics;
6865     title_string = STR_SETUP_GRAPHICS;
6866   }
6867   else if (setup_mode == SETUP_MODE_SOUND)
6868   {
6869     setup_info = setup_info_sound;
6870     title_string = STR_SETUP_SOUND;
6871   }
6872   else if (setup_mode == SETUP_MODE_ARTWORK)
6873   {
6874     setup_info = setup_info_artwork;
6875     title_string = STR_SETUP_ARTWORK;
6876   }
6877   else if (setup_mode == SETUP_MODE_TOUCH)
6878   {
6879     setup_info = setup_info_touch;
6880     title_string = STR_SETUP_TOUCH;
6881
6882     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
6883       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
6884     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
6885       setup_info = setup_info_touch_wipe_gestures;
6886   }
6887   else if (setup_mode == SETUP_MODE_SHORTCUTS)
6888   {
6889     setup_info = setup_info_shortcuts;
6890     title_string = STR_SETUP_SHORTCUTS;
6891   }
6892   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
6893   {
6894     setup_info = setup_info_shortcuts_1;
6895     title_string = STR_SETUP_SHORTCUTS;
6896   }
6897   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
6898   {
6899     setup_info = setup_info_shortcuts_2;
6900     title_string = STR_SETUP_SHORTCUTS;
6901   }
6902   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
6903   {
6904     setup_info = setup_info_shortcuts_3;
6905     title_string = STR_SETUP_SHORTCUTS;
6906   }
6907   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
6908   {
6909     setup_info = setup_info_shortcuts_4;
6910     title_string = STR_SETUP_SHORTCUTS;
6911   }
6912   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
6913   {
6914     setup_info = setup_info_shortcuts_5;
6915     title_string = STR_SETUP_SHORTCUTS;
6916   }
6917
6918   // use modified setup info without setup entries marked as hidden
6919   setup_info = getSetupInfoFinal(setup_info);
6920
6921   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
6922
6923   // determine maximal number of setup entries that can be displayed on screen
6924   num_setup_info = 0;
6925   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
6926     num_setup_info++;
6927
6928   // determine maximal number of setup entries available for this setup screen
6929   max_setup_info = 0;
6930   for (i = 0; setup_info[i].type != 0; i++)
6931     max_setup_info++;
6932
6933   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
6934
6935   MapScreenGadgets(max_setup_info);
6936
6937   if (redraw_all)
6938     redraw_mask = fade_mask = REDRAW_ALL;
6939
6940   DrawMaskedBorder(fade_mask);
6941
6942   FadeIn(fade_mask);
6943 }
6944
6945 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
6946 {
6947   menu_info = setup_info;
6948
6949   HandleMenuScreen(mx, my, dx, dy, button,
6950                    setup_mode, num_setup_info, max_setup_info);
6951 }
6952
6953 static void DrawSetupScreen_Input(void)
6954 {
6955   int i;
6956
6957   FadeOut(REDRAW_FIELD);
6958
6959   ClearField();
6960
6961   setup_info = getSetupInfoFinal(setup_info_input);
6962
6963   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
6964
6965   for (i = 0; setup_info[i].type != 0; i++)
6966   {
6967     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
6968       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
6969     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
6970       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
6971     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
6972       initCursor(i, IMG_MENU_BUTTON);
6973
6974     DrawCursorAndText_Setup(i, -1, FALSE);
6975   }
6976
6977   // create gadgets for setup input menu screen
6978   FreeScreenGadgets();
6979   CreateScreenGadgets();
6980
6981   // map gadgets for setup input menu screen
6982   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
6983
6984   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
6985
6986   FadeIn(REDRAW_FIELD);
6987 }
6988
6989 static void setJoystickDeviceToNr(char *device_name, int device_nr)
6990 {
6991   if (device_name == NULL)
6992     return;
6993
6994   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
6995     device_nr = 0;
6996
6997   if (strlen(device_name) > 1)
6998   {
6999     char c1 = device_name[strlen(device_name) - 1];
7000     char c2 = device_name[strlen(device_name) - 2];
7001
7002     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7003       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7004   }
7005   else
7006     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7007             strlen(device_name));
7008 }
7009
7010 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7011 {
7012   int i;
7013   static struct SetupKeyboardInfo custom_key;
7014   static struct
7015   {
7016     Key *key;
7017     char *text;
7018   } custom[] =
7019   {
7020     { &custom_key.left,  "Axis/Pad Left"  },
7021     { &custom_key.right, "Axis/Pad Right" },
7022     { &custom_key.up,    "Axis/Pad Up"    },
7023     { &custom_key.down,  "Axis/Pad Down"  },
7024     { &custom_key.snap,  "Button 1/A/X"   },
7025     { &custom_key.drop,  "Button 2/B/Y"   }
7026   };
7027   static char *joystick_name[MAX_PLAYERS] =
7028   {
7029     "Joystick1",
7030     "Joystick2",
7031     "Joystick3",
7032     "Joystick4"
7033   };
7034   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7035   int font_nr_info = FONT_MENU_1;
7036   int font_nr_name = FONT_VALUE_OLD;
7037   int font_nr_on   = FONT_VALUE_1;
7038   int font_nr_off  = FONT_VALUE_OLD;
7039   int pos = 4;
7040
7041   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7042   {
7043     font_nr_info = FONT_MENU_2;
7044     font_nr_on   = FONT_VALUE_NARROW;
7045     font_nr_off  = FONT_VALUE_OLD_NARROW;
7046   }
7047
7048   custom_key = setup.input[player_nr].key;
7049
7050   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7051            FONT_INPUT_1_ACTIVE);
7052
7053   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7054                              TILEX, TILEY);
7055   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7056                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7057
7058   if (setup.input[player_nr].use_joystick)
7059   {
7060     char *device_name = setup.input[player_nr].joy.device_name;
7061     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7062     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7063     char *text = joystick_name[joystick_nr];
7064     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7065
7066     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7067     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7068   }
7069   else
7070   {
7071     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7072     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7073   }
7074
7075   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7076     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7077   else
7078     pos = 3;
7079
7080   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7081   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7082   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7083   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7084
7085   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7086   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7087   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7088   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7089   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7090   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7091
7092   for (i = 0; i < 6; i++)
7093   {
7094     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7095
7096     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7097              "              ", font_nr_on);
7098     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7099              (setup.input[player_nr].use_joystick ?
7100               custom[i].text :
7101               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7102   }
7103 }
7104
7105 static int input_player_nr = 0;
7106
7107 static void HandleSetupScreen_Input_Player(int step, int direction)
7108 {
7109   int old_player_nr = input_player_nr;
7110   int new_player_nr;
7111
7112   new_player_nr = old_player_nr + step * direction;
7113   if (new_player_nr < 0)
7114     new_player_nr = 0;
7115   if (new_player_nr > MAX_PLAYERS - 1)
7116     new_player_nr = MAX_PLAYERS - 1;
7117
7118   if (new_player_nr != old_player_nr)
7119   {
7120     input_player_nr = new_player_nr;
7121
7122     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7123   }
7124 }
7125
7126 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7127 {
7128   static int choice = 0;
7129   int x = 0;
7130   int y = choice;
7131   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7132   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7133   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7134   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7135
7136   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7137   {
7138     int i;
7139
7140     for (i = 0; setup_info_input[i].type != 0; i++)
7141     {
7142       // adjust menu structure according to skipped setup entries
7143       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7144       {
7145         pos_empty2--;
7146         pos_end--;
7147       }
7148     }
7149   }
7150
7151   if (button == MB_MENU_INITIALIZE)
7152   {
7153     // input setup menu may have changed size due to graphics configuration
7154     if (choice >= pos_empty1)
7155       choice = pos_end;
7156
7157     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7158
7159     DrawCursorAndText_Setup(choice, -1, TRUE);
7160
7161     return;
7162   }
7163   else if (button == MB_MENU_LEAVE)
7164   {
7165     setup_mode = SETUP_MODE_MAIN;
7166     DrawSetupScreen();
7167     InitJoysticks();
7168
7169     return;
7170   }
7171
7172   if (mx || my)         // mouse input
7173   {
7174     x = (mx - mSX) / 32;
7175     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7176   }
7177   else if (dx || dy)    // keyboard input
7178   {
7179     if (dx && choice == 0)
7180       x = (dx < 0 ? 10 : 12);
7181     else if ((dx && choice == 1) ||
7182              (dx == -1 && choice == pos_end))
7183       button = MB_MENU_CHOICE;
7184     else if (dy)
7185       y = choice + dy;
7186
7187     if (y >= pos_empty1 && y <= pos_empty2)
7188       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7189   }
7190
7191   if (y == 0 && dx != 0 && button)
7192   {
7193     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7194   }
7195   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7196            y >= pos_start && y <= pos_end &&
7197            !(y >= pos_empty1 && y <= pos_empty2))
7198   {
7199     if (button)
7200     {
7201       if (y != choice)
7202       {
7203         DrawCursorAndText_Setup(choice, -1, FALSE);
7204         DrawCursorAndText_Setup(y, -1, TRUE);
7205
7206         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7207
7208         choice = y;
7209       }
7210     }
7211     else
7212     {
7213       if (y == 1)
7214       {
7215         char *device_name = setup.input[input_player_nr].joy.device_name;
7216
7217         if (!setup.input[input_player_nr].use_joystick)
7218         {
7219           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7220
7221           setJoystickDeviceToNr(device_name, new_device_nr);
7222           setup.input[input_player_nr].use_joystick = TRUE;
7223         }
7224         else
7225         {
7226           int device_nr = getJoystickNrFromDeviceName(device_name);
7227           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7228
7229           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7230             setup.input[input_player_nr].use_joystick = FALSE;
7231           else
7232             setJoystickDeviceToNr(device_name, new_device_nr);
7233         }
7234
7235         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7236       }
7237       else if (y == 2)
7238       {
7239         if (setup.input[input_player_nr].use_joystick)
7240           ConfigureJoystick(input_player_nr);
7241         else
7242           CustomizeKeyboard(input_player_nr);
7243       }
7244       else if (y == pos_end)
7245       {
7246         InitJoysticks();
7247
7248         FadeSetLeaveMenu();
7249
7250         setup_mode = SETUP_MODE_MAIN;
7251         DrawSetupScreen();
7252       }
7253     }
7254   }
7255 }
7256
7257 static boolean CustomizeKeyboardMain(int player_nr)
7258 {
7259   int i;
7260   int step_nr;
7261   boolean finished = FALSE;
7262   static struct SetupKeyboardInfo custom_key;
7263   static struct
7264   {
7265     Key *key;
7266     char *text;
7267   } customize_step[] =
7268   {
7269     { &custom_key.left,  "Move Left"    },
7270     { &custom_key.right, "Move Right"   },
7271     { &custom_key.up,    "Move Up"      },
7272     { &custom_key.down,  "Move Down"    },
7273     { &custom_key.snap,  "Snap Field"   },
7274     { &custom_key.drop,  "Drop Element" }
7275   };
7276   int font_nr_old = FONT_VALUE_OLD;
7277   int font_nr_new = FONT_VALUE_1;
7278   boolean success = FALSE;
7279
7280   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7281   {
7282     font_nr_old = FONT_VALUE_OLD_NARROW;
7283     font_nr_new = FONT_VALUE_NARROW;
7284   }
7285
7286   // read existing key bindings from player setup
7287   custom_key = setup.input[player_nr].key;
7288
7289   FadeSetEnterMenu();
7290   FadeOut(REDRAW_FIELD);
7291
7292   ClearField();
7293
7294   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7295
7296   step_nr = 0;
7297   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7298            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7299   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7300            "Key:", FONT_INPUT_1_ACTIVE);
7301   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7302            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7303
7304   FadeIn(REDRAW_FIELD);
7305
7306   while (!finished)
7307   {
7308     Event event;
7309
7310     if (NextValidEvent(&event))
7311     {
7312       switch (event.type)
7313       {
7314         case EVENT_KEYPRESS:
7315           {
7316             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7317
7318             // press 'Escape' to abort and keep the old key bindings
7319             if (key == KSYM_Escape)
7320             {
7321               FadeSkipNextFadeIn();
7322
7323               finished = TRUE;
7324
7325               break;
7326             }
7327
7328             // press 'Enter' to keep the existing key binding
7329             if (key == KSYM_Return)
7330               key = *customize_step[step_nr].key;
7331
7332             // check if key already used
7333             for (i = 0; i < step_nr; i++)
7334               if (*customize_step[i].key == key)
7335                 break;
7336             if (i < step_nr)
7337               break;
7338
7339             // got new key binding
7340             *customize_step[step_nr].key = key;
7341             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7342                      "             ", font_nr_new);
7343             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7344                      getKeyNameFromKey(key), font_nr_new);
7345             step_nr++;
7346
7347             // un-highlight last query
7348             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7349                      customize_step[step_nr - 1].text, FONT_MENU_1);
7350             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7351                      "Key:", FONT_MENU_1);
7352
7353             // all keys configured
7354             if (step_nr == 6)
7355             {
7356               finished = TRUE;
7357               success = TRUE;
7358
7359               break;
7360             }
7361
7362             // query next key binding
7363             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7364                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7365             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7366                      "Key:", FONT_INPUT_1_ACTIVE);
7367             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7368                      getKeyNameFromKey(*customize_step[step_nr].key),
7369                      font_nr_old);
7370           }
7371           break;
7372
7373         case EVENT_KEYRELEASE:
7374           key_joystick_mapping = 0;
7375           break;
7376
7377         default:
7378           HandleOtherEvents(&event);
7379           break;
7380       }
7381     }
7382
7383     BackToFront();
7384   }
7385
7386   // write new key bindings back to player setup, if successfully finished
7387   if (success)
7388     setup.input[player_nr].key = custom_key;
7389
7390   return success;
7391 }
7392
7393 void CustomizeKeyboard(int player_nr)
7394 {
7395   boolean success = CustomizeKeyboardMain(player_nr);
7396
7397   if (success)
7398   {
7399     int font_nr = FONT_TITLE_1;
7400     int font_height = getFontHeight(font_nr);
7401     int ypos1 = SYSIZE / 2 - font_height * 2;
7402     int ypos2 = SYSIZE / 2 - font_height * 1;
7403     unsigned int wait_frame_delay = 0;
7404     unsigned int wait_frame_delay_value = 2000;
7405
7406     ResetDelayCounter(&wait_frame_delay);
7407
7408     ClearField();
7409
7410     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7411     DrawTextSCentered(ypos2, font_nr, "configured!");
7412
7413     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7414       BackToFront();
7415
7416     ClearEventQueue();
7417   }
7418
7419   DrawSetupScreen_Input();
7420 }
7421
7422 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7423
7424 #define MARKER_BUTTON           1
7425 #define MARKER_AXIS_X           2
7426 #define MARKER_AXIS_Y           3
7427
7428 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7429 {
7430   static boolean bitmaps_initialized = FALSE;
7431   boolean screen_initialized = FALSE;
7432   static Bitmap *controller, *button, *axis_x, *axis_y;
7433   char *name;
7434   boolean success = TRUE;
7435   boolean done = FALSE, next = FALSE;
7436   Event event;
7437   int alpha = 200, alpha_step = -1;
7438   int alpha_ticks = 0;
7439   char mapping[4096], temp[4096];
7440   int font_name = MENU_SETUP_FONT_TITLE;
7441   int font_info = MENU_SETUP_FONT_TEXT;
7442   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7443   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7444   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7445   int ystep_name = getMenuTextStep(spacing_name, font_name);
7446   int ystep_line = getMenuTextStep(spacing_line, font_info);
7447   int ystep_para = getMenuTextStep(spacing_para, font_info);
7448   int i, j;
7449
7450   struct
7451   {
7452     int x, y;
7453     int marker;
7454     char *field;
7455     int axis, button, hat, hat_value;
7456     char mapping[4096];
7457   }
7458   *step, *prev_step, steps[] =
7459   {
7460     { 356, 155, MARKER_BUTTON, "a",             },
7461     { 396, 122, MARKER_BUTTON, "b",             },
7462     { 320, 125, MARKER_BUTTON, "x",             },
7463     { 358,  95, MARKER_BUTTON, "y",             },
7464     { 162, 125, MARKER_BUTTON, "back",          },
7465     { 216, 125, MARKER_BUTTON, "guide",         },
7466     { 271, 125, MARKER_BUTTON, "start",         },
7467     { 110, 200, MARKER_BUTTON, "dpleft",        },
7468     { 146, 228, MARKER_BUTTON, "dpdown",        },
7469     { 178, 200, MARKER_BUTTON, "dpright",       },
7470     { 146, 172, MARKER_BUTTON, "dpup",          },
7471     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7472     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7473     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7474     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7475     {  73, 141, MARKER_BUTTON, "leftstick",     },
7476     { 282, 210, MARKER_BUTTON, "rightstick",    },
7477     {  73, 141, MARKER_AXIS_X, "leftx",         },
7478     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7479     { 282, 210, MARKER_AXIS_X, "rightx",        },
7480     { 282, 210, MARKER_AXIS_Y, "righty",        },
7481   };
7482
7483   unsigned int event_frame_delay = 0;
7484   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7485
7486   ResetDelayCounter(&event_frame_delay);
7487
7488   if (!bitmaps_initialized)
7489   {
7490     controller = LoadCustomImage("joystick/controller.png");
7491     button     = LoadCustomImage("joystick/button.png");
7492     axis_x     = LoadCustomImage("joystick/axis_x.png");
7493     axis_y     = LoadCustomImage("joystick/axis_y.png");
7494
7495     bitmaps_initialized = TRUE;
7496   }
7497
7498   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7499
7500 #if DEBUG_JOYSTICKS
7501   // print info about the joystick we are watching
7502   Error(ERR_DEBUG, "watching joystick %d: (%s)\n",
7503         SDL_JoystickInstanceID(joystick), name);
7504   Error(ERR_DEBUG, "joystick has %d axes, %d hats, %d balls, and %d buttons\n",
7505         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7506         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7507 #endif
7508
7509   // initialize mapping with GUID and name
7510   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7511
7512   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7513            temp, name, SDL_GetPlatform());
7514
7515   // loop through all steps (buttons and axes), getting joystick events
7516   for (i = 0; i < SDL_arraysize(steps) && !done;)
7517   {
7518     Bitmap *marker = button;    // initialize with reliable default value
7519
7520     step = &steps[i];
7521     strcpy(step->mapping, mapping);
7522     step->axis = -1;
7523     step->button = -1;
7524     step->hat = -1;
7525     step->hat_value = -1;
7526
7527     marker = (step->marker == MARKER_BUTTON ? button :
7528               step->marker == MARKER_AXIS_X ? axis_x :
7529               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7530
7531     next = FALSE;
7532
7533     while (!done && !next)
7534     {
7535       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7536       alpha_ticks = SDL_GetTicks();
7537
7538       if (alpha >= 255)
7539       {
7540         alpha = 255;
7541         alpha_step = -1;
7542       }
7543       else if (alpha < 128)
7544       {
7545         alpha = 127;
7546         alpha_step = 1;
7547       }
7548
7549       int controller_x = SX + (SXSIZE - controller->width) / 2;
7550       int controller_y = SY + ystep_line;
7551
7552       int marker_x = controller_x + step->x;
7553       int marker_y = controller_y + step->y;
7554
7555       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7556       int ystart2 = ystart1 + ystep_name + ystep_line;
7557
7558       ClearField();
7559
7560       DrawTextSCentered(ystart1, font_name, name);
7561
7562       DrawTextSCentered(ystart2, font_info,
7563                         "Press buttons and move axes on");
7564       ystart2 += ystep_line;
7565       DrawTextSCentered(ystart2, font_info,
7566                         "your controller when indicated.");
7567       ystart2 += ystep_line;
7568       DrawTextSCentered(ystart2, font_info,
7569                         "(Your controller may look different.)");
7570       ystart2 += ystep_para;
7571
7572 #if defined(PLATFORM_ANDROID)
7573       DrawTextSCentered(ystart2, font_info,
7574                         "To correct a mistake,");
7575       ystart2 += ystep_line;
7576       DrawTextSCentered(ystart2, font_info,
7577                         "press the 'back' button.");
7578       ystart2 += ystep_line;
7579       DrawTextSCentered(ystart2, font_info,
7580                         "To skip a button or axis,");
7581       ystart2 += ystep_line;
7582       DrawTextSCentered(ystart2, font_info,
7583                         "press the 'menu' button.");
7584 #else
7585       DrawTextSCentered(ystart2, font_info,
7586                         "To correct a mistake,");
7587       ystart2 += ystep_line;
7588       DrawTextSCentered(ystart2, font_info,
7589                         "press the 'backspace' key.");
7590       ystart2 += ystep_line;
7591       DrawTextSCentered(ystart2, font_info,
7592                         "To skip a button or axis,");
7593       ystart2 += ystep_line;
7594       DrawTextSCentered(ystart2, font_info,
7595                         "press the 'return' key.");
7596       ystart2 += ystep_line;
7597       DrawTextSCentered(ystart2, font_info,
7598                         "To exit, press the 'escape' key.");
7599 #endif
7600
7601       BlitBitmapMasked(controller, drawto, 0, 0,
7602                        controller->width, controller->height,
7603                        controller_x, controller_y);
7604
7605       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
7606       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
7607
7608       BlitBitmapMasked(marker, drawto, 0, 0,
7609                        marker->width, marker->height,
7610                        marker_x, marker_y);
7611
7612       if (!screen_initialized)
7613         FadeIn(REDRAW_FIELD);
7614       else
7615         BackToFront();
7616
7617       screen_initialized = TRUE;
7618
7619       while (NextValidEvent(&event))
7620       {
7621         switch (event.type)
7622         {
7623           case SDL_JOYAXISMOTION:
7624             if (event.jaxis.value > 20000 ||
7625                 event.jaxis.value < -20000)
7626             {
7627               for (j = 0; j < i; j++)
7628                 if (steps[j].axis == event.jaxis.axis)
7629                   break;
7630
7631               if (j == i)
7632               {
7633                 if (step->marker != MARKER_AXIS_X &&
7634                     step->marker != MARKER_AXIS_Y)
7635                   break;
7636
7637                 step->axis = event.jaxis.axis;
7638                 strcat(mapping, step->field);
7639                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
7640                 strcat(mapping, temp);
7641                 i++;
7642                 next = TRUE;
7643               }
7644             }
7645
7646             break;
7647
7648           case SDL_JOYHATMOTION:
7649             // ignore centering; we're probably just coming back
7650             // to the center from the previous item we set
7651             if (event.jhat.value == SDL_HAT_CENTERED)
7652               break;
7653
7654             for (j = 0; j < i; j++)
7655               if (steps[j].hat == event.jhat.hat &&
7656                   steps[j].hat_value == event.jhat.value)
7657                 break;
7658
7659             if (j == i)
7660             {
7661               step->hat = event.jhat.hat;
7662               step->hat_value = event.jhat.value;
7663               strcat(mapping, step->field);
7664               snprintf(temp, sizeof(temp), ":h%u.%u,",
7665                        event.jhat.hat, event.jhat.value );
7666               strcat(mapping, temp);
7667               i++;
7668               next = TRUE;
7669             }
7670
7671             break;
7672
7673           case SDL_JOYBALLMOTION:
7674             break;
7675
7676           case SDL_JOYBUTTONUP:
7677             for (j = 0; j < i; j++)
7678               if (steps[j].button == event.jbutton.button)
7679                 break;
7680
7681             if (j == i)
7682             {
7683               step->button = event.jbutton.button;
7684               strcat(mapping, step->field);
7685               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
7686               strcat(mapping, temp);
7687               i++;
7688               next = TRUE;
7689             }
7690
7691             break;
7692
7693           case SDL_FINGERDOWN:
7694           case SDL_MOUSEBUTTONDOWN:
7695             // skip this step
7696             i++;
7697             next = TRUE;
7698
7699             break;
7700
7701           case SDL_KEYDOWN:
7702             if (event.key.keysym.sym == KSYM_BackSpace ||
7703                 event.key.keysym.sym == KSYM_Back)
7704             {
7705               if (i == 0)
7706               {
7707                 // leave screen
7708                 success = FALSE;
7709                 done = TRUE;
7710
7711                 break;
7712               }
7713
7714               // undo this step
7715               prev_step = &steps[i - 1];
7716               strcpy(mapping, prev_step->mapping);
7717               i--;
7718               next = TRUE;
7719
7720               break;
7721             }
7722
7723             if (event.key.keysym.sym == KSYM_space ||
7724                 event.key.keysym.sym == KSYM_Return ||
7725                 event.key.keysym.sym == KSYM_Menu)
7726             {
7727               // skip this step
7728               i++;
7729               next = TRUE;
7730
7731               break;
7732             }
7733
7734             if (event.key.keysym.sym == KSYM_Escape)
7735             {
7736               // leave screen
7737               success = FALSE;
7738               done = TRUE;
7739             }
7740
7741             break;
7742
7743           case SDL_QUIT:
7744             program.exit_function(0);
7745             break;
7746
7747           default:
7748             break;
7749         }
7750
7751         // do not handle events for longer than standard frame delay period
7752         if (DelayReached(&event_frame_delay, event_frame_delay_value))
7753           break;
7754       }
7755     }
7756   }
7757
7758   if (success)
7759   {
7760 #if DEBUG_JOYSTICKS
7761     Error(ERR_DEBUG, "New game controller mapping:\n\n%s\n\n", mapping);
7762 #endif
7763
7764     // activate mapping for this game
7765     SDL_GameControllerAddMapping(mapping);
7766
7767     // save mapping to personal mappings
7768     SaveSetup_AddGameControllerMapping(mapping);
7769   }
7770
7771   // wait until the last pending event was removed from event queue
7772   while (NextValidEvent(&event));
7773
7774   return success;
7775 }
7776
7777 static int ConfigureJoystickMain(int player_nr)
7778 {
7779   char *device_name = setup.input[player_nr].joy.device_name;
7780   int joystick_nr = getJoystickNrFromDeviceName(device_name);
7781   boolean joystick_active = CheckJoystickOpened(joystick_nr);
7782   int success = FALSE;
7783   int i;
7784
7785   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
7786     return JOYSTICK_NOT_AVAILABLE;
7787
7788   if (!joystick_active || !setup.input[player_nr].use_joystick)
7789     return JOYSTICK_NOT_AVAILABLE;
7790
7791   FadeSetEnterMenu();
7792   FadeOut(REDRAW_FIELD);
7793
7794   // close all joystick devices (potentially opened as game controllers)
7795   for (i = 0; i < SDL_NumJoysticks(); i++)
7796     SDLCloseJoystick(i);
7797
7798   // open joystick device as plain joystick to configure as game controller
7799   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
7800
7801   // as the joystick was successfully opened before, this should not happen
7802   if (joystick == NULL)
7803     return FALSE;
7804
7805   // create new game controller mapping (buttons and axes) for joystick device
7806   success = ConfigureJoystickMapButtonsAndAxes(joystick);
7807
7808   // close joystick (and maybe re-open as configured game controller later)
7809   SDL_JoystickClose(joystick);
7810
7811   // re-open all joystick devices (potentially as game controllers)
7812   for (i = 0; i < SDL_NumJoysticks(); i++)
7813     SDLOpenJoystick(i);
7814
7815   // clear all joystick input actions for all joystick devices
7816   SDLClearJoystickState();
7817
7818   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
7819 }
7820
7821 void ConfigureJoystick(int player_nr)
7822 {
7823   boolean state = ConfigureJoystickMain(player_nr);
7824
7825   if (state != JOYSTICK_NOT_CONFIGURED)
7826   {
7827     boolean success = (state == JOYSTICK_CONFIGURED);
7828     char message1[MAX_OUTPUT_LINESIZE + 1];
7829     char *message2 = (success ? "configured!" : "not available!");
7830     char *device_name = setup.input[player_nr].joy.device_name;
7831     int nr = getJoystickNrFromDeviceName(device_name) + 1;
7832     int font_nr = FONT_TITLE_1;
7833     int font_height = getFontHeight(font_nr);
7834     int ypos1 = SYSIZE / 2 - font_height * 2;
7835     int ypos2 = SYSIZE / 2 - font_height * 1;
7836     unsigned int wait_frame_delay = 0;
7837     unsigned int wait_frame_delay_value = 2000;
7838
7839     ResetDelayCounter(&wait_frame_delay);
7840
7841     ClearField();
7842
7843     sprintf(message1, "Joystick %d", nr);
7844
7845     DrawTextSCentered(ypos1, font_nr, message1);
7846     DrawTextSCentered(ypos2, font_nr, message2);
7847
7848     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7849       BackToFront();
7850
7851     ClearEventQueue();
7852   }
7853
7854   DrawSetupScreen_Input();
7855 }
7856
7857 static boolean ConfigureVirtualButtonsMain(void)
7858 {
7859   static char *customize_step_text[] =
7860   {
7861     "Move Left",
7862     "Move Right",
7863     "Move Up",
7864     "Move Down",
7865     "Snap Field",
7866     "Drop Element"
7867   };
7868   char grid_button[] =
7869   {
7870     CHAR_GRID_BUTTON_LEFT,
7871     CHAR_GRID_BUTTON_RIGHT,
7872     CHAR_GRID_BUTTON_UP,
7873     CHAR_GRID_BUTTON_DOWN,
7874     CHAR_GRID_BUTTON_SNAP,
7875     CHAR_GRID_BUTTON_DROP
7876   };
7877   int font_nr = FONT_INPUT_1_ACTIVE;
7878   int font_height = getFontHeight(font_nr);
7879   int ypos1 = SYSIZE / 2 - font_height * 2;
7880   int ypos2 = SYSIZE / 2 - font_height * 1;
7881   boolean success = FALSE;
7882   boolean finished = FALSE;
7883   int step_nr = 0;
7884   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
7885   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7886   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7887   boolean set_grid_button = FALSE;
7888   int nr = GRID_ACTIVE_NR();
7889   int x, y;
7890
7891   for (x = 0; x < MAX_GRID_XSIZE; x++)
7892     for (y = 0; y < MAX_GRID_YSIZE; y++)
7893       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
7894
7895   overlay.grid_button_highlight = grid_button[step_nr];
7896
7897   FadeSetEnterMenu();
7898   FadeOut(REDRAW_FIELD);
7899
7900   ClearField();
7901
7902   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
7903   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
7904   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
7905
7906   FadeIn(REDRAW_FIELD);
7907
7908   SetOverlayShowGrid(TRUE);
7909
7910   while (!finished)
7911   {
7912     Event event;
7913
7914     while (NextValidEvent(&event))
7915     {
7916       switch (event.type)
7917       {
7918         case EVENT_KEYPRESS:
7919           {
7920             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7921
7922             // press 'Escape' to abort and keep the old key bindings
7923             if (key == KSYM_Escape)
7924             {
7925               for (x = 0; x < MAX_GRID_XSIZE; x++)
7926                 for (y = 0; y < MAX_GRID_YSIZE; y++)
7927                   overlay.grid_button[x][y] = grid_button_old[x][y];
7928
7929               FadeSkipNextFadeIn();
7930
7931               finished = TRUE;
7932
7933               break;
7934             }
7935
7936             // press 'Enter' to keep the existing key binding
7937             if (key == KSYM_Return ||
7938                 key == KSYM_Menu ||
7939                 key == KSYM_space)
7940             {
7941               step_nr++;
7942             }
7943             else if (key == KSYM_BackSpace ||
7944                      key == KSYM_Back)
7945             {
7946               if (step_nr == 0)
7947               {
7948                 FadeSkipNextFadeIn();
7949
7950                 finished = TRUE;
7951
7952                 break;
7953               }
7954
7955               step_nr--;
7956             }
7957             else
7958             {
7959               break;
7960             }
7961
7962             // all virtual buttons configured
7963             if (step_nr == 6)
7964             {
7965               finished = TRUE;
7966               success = TRUE;
7967
7968               break;
7969             }
7970
7971             for (x = 0; x < MAX_GRID_XSIZE; x++)
7972               for (y = 0; y < MAX_GRID_YSIZE; y++)
7973                 grid_button_tmp[x][y] = overlay.grid_button[x][y];
7974
7975             overlay.grid_button_highlight = grid_button[step_nr];
7976
7977             // query next virtual button
7978
7979             ClearField();
7980
7981             DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
7982             DrawTextSCentered(ypos1, font_nr, "Select tiles to");
7983             DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
7984           }
7985           break;
7986
7987         case EVENT_KEYRELEASE:
7988           key_joystick_mapping = 0;
7989           break;
7990
7991         case EVENT_BUTTONPRESS:
7992         case EVENT_BUTTONRELEASE:
7993           {
7994             ButtonEvent *button = (ButtonEvent *)&event;
7995
7996             button->x += video.screen_xoffset;
7997             button->y += video.screen_yoffset;
7998
7999             x = button->x * overlay.grid_xsize / video.screen_width;
8000             y = button->y * overlay.grid_ysize / video.screen_height;
8001
8002             if (button->type == EVENT_BUTTONPRESS)
8003             {
8004               button_status = button->button;
8005
8006               grid_button_draw =
8007                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8008                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8009
8010               set_grid_button = TRUE;
8011             }
8012             else
8013             {
8014               button_status = MB_RELEASED;
8015             }
8016           }
8017           break;
8018
8019         case EVENT_MOTIONNOTIFY:
8020           {
8021             MotionEvent *motion = (MotionEvent *)&event;
8022
8023             motion->x += video.screen_xoffset;
8024             motion->y += video.screen_yoffset;
8025
8026             x = motion->x * overlay.grid_xsize / video.screen_width;
8027             y = motion->y * overlay.grid_ysize / video.screen_height;
8028
8029             set_grid_button = TRUE;
8030           }
8031           break;
8032
8033         case SDL_WINDOWEVENT:
8034           HandleWindowEvent((WindowEvent *) &event);
8035
8036           // check if device has been rotated
8037           if (nr != GRID_ACTIVE_NR())
8038           {
8039             nr = GRID_ACTIVE_NR();
8040
8041             for (x = 0; x < MAX_GRID_XSIZE; x++)
8042               for (y = 0; y < MAX_GRID_YSIZE; y++)
8043                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8044                   overlay.grid_button[x][y];
8045           }
8046
8047           break;
8048
8049         case SDL_APP_WILLENTERBACKGROUND:
8050         case SDL_APP_DIDENTERBACKGROUND:
8051         case SDL_APP_WILLENTERFOREGROUND:
8052         case SDL_APP_DIDENTERFOREGROUND:
8053           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8054           break;
8055
8056         default:
8057           HandleOtherEvents(&event);
8058           break;
8059       }
8060
8061       if (set_grid_button)
8062       {
8063         overlay.grid_button[x][y] =
8064           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8065            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8066            grid_button_tmp[x][y]);
8067
8068         set_grid_button = FALSE;
8069       }
8070     }
8071
8072     BackToFront();
8073   }
8074
8075   for (x = 0; x < MAX_GRID_XSIZE; x++)
8076     for (y = 0; y < MAX_GRID_YSIZE; y++)
8077       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8078
8079   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8080
8081   SetOverlayShowGrid(FALSE);
8082
8083   return success;
8084 }
8085
8086 void ConfigureVirtualButtons(void)
8087 {
8088   boolean success = ConfigureVirtualButtonsMain();
8089
8090   if (success)
8091   {
8092     int font_nr = FONT_TITLE_1;
8093     int font_height = getFontHeight(font_nr);
8094     int ypos1 = SYSIZE / 2 - font_height * 2;
8095     int ypos2 = SYSIZE / 2 - font_height * 1;
8096     unsigned int wait_frame_delay = 0;
8097     unsigned int wait_frame_delay_value = 2000;
8098
8099     ResetDelayCounter(&wait_frame_delay);
8100
8101     ClearField();
8102
8103     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8104     DrawTextSCentered(ypos2, font_nr, "configured!");
8105
8106     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8107       BackToFront();
8108
8109     ClearEventQueue();
8110   }
8111 }
8112
8113 void DrawSetupScreen(void)
8114 {
8115   align_xoffset = 0;
8116   align_yoffset = 0;
8117
8118   if (setup_mode == SETUP_MODE_INPUT)
8119     DrawSetupScreen_Input();
8120   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8121     DrawChooseTree(&game_speed_current);
8122   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8123     DrawChooseTree(&scroll_delay_current);
8124   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8125     DrawChooseTree(&snapshot_mode_current);
8126   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8127     DrawChooseTree(&window_size_current);
8128   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8129     DrawChooseTree(&scaling_type_current);
8130   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8131     DrawChooseTree(&rendering_mode_current);
8132   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8133     DrawChooseTree(&vsync_mode_current);
8134   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8135     DrawChooseTree(&artwork.gfx_current);
8136   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8137     DrawChooseTree(&artwork.snd_current);
8138   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8139     DrawChooseTree(&artwork.mus_current);
8140   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8141     DrawChooseTree(&volume_simple_current);
8142   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8143     DrawChooseTree(&volume_loops_current);
8144   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8145     DrawChooseTree(&volume_music_current);
8146   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8147     DrawChooseTree(&touch_control_current);
8148   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8149     DrawChooseTree(&move_distance_current);
8150   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8151     DrawChooseTree(&drop_distance_current);
8152   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8153     DrawChooseTree(&transparency_current);
8154   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8155     DrawChooseTree(&grid_size_current[0][0]);
8156   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8157     DrawChooseTree(&grid_size_current[0][1]);
8158   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8159     DrawChooseTree(&grid_size_current[1][0]);
8160   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8161     DrawChooseTree(&grid_size_current[1][1]);
8162   else
8163     DrawSetupScreen_Generic();
8164
8165   PlayMenuSoundsAndMusic();
8166 }
8167
8168 void RedrawSetupScreenAfterFullscreenToggle(void)
8169 {
8170   if (setup_mode == SETUP_MODE_GRAPHICS ||
8171       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8172   {
8173     // update list selection from "setup.window_scaling_percent"
8174     execSetupGraphics_setWindowSizes(TRUE);
8175
8176     DrawSetupScreen();
8177   }
8178 }
8179
8180 void RedrawSetupScreenAfterScreenRotation(int nr)
8181 {
8182   int x, y;
8183
8184   if (setup_mode == SETUP_MODE_TOUCH)
8185   {
8186     // update virtual button settings (depending on screen orientation)
8187     DrawSetupScreen();
8188   }
8189   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8190   {
8191     // save already configured virtual buttons
8192     for (x = 0; x < MAX_GRID_XSIZE; x++)
8193       for (y = 0; y < MAX_GRID_YSIZE; y++)
8194         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8195   }
8196 }
8197
8198 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8199 {
8200   if (setup_mode == SETUP_MODE_INPUT)
8201     HandleSetupScreen_Input(mx, my, dx, dy, button);
8202   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8203     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8204   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8205     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8206   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8207     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8208   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8209     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8210   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8211     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8212   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8213     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8214   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8215     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8216   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8217     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8218   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8219     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8220   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8221     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8222   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8223     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8224   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8225     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8226   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8227     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8228   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8229     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8230   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8231     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8232   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8233     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8234   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8235     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8236   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8237     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8238   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8239     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8240   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8241     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8242   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8243     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8244   else
8245     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8246 }
8247
8248 void HandleGameActions(void)
8249 {
8250   if (setup.ask_on_game_over)
8251     CheckGameOver();
8252
8253   if (game.restart_game_message != NULL)
8254   {
8255     RequestRestartGame(game.restart_game_message);
8256
8257     return;
8258   }
8259
8260   if (game_status != GAME_MODE_PLAYING)
8261     return;
8262
8263   GameActions();        // main game loop
8264
8265   if (tape.auto_play && !tape.playing)
8266     AutoPlayTape();     // continue automatically playing next tape
8267 }
8268
8269
8270 // ---------- new screen button stuff --------------------------------------
8271
8272 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
8273 {
8274   switch (gadget_id)
8275   {
8276     case SCREEN_CTRL_ID_PREV_LEVEL:
8277       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
8278       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
8279       break;
8280
8281     case SCREEN_CTRL_ID_NEXT_LEVEL:
8282       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
8283       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
8284       break;
8285
8286     case SCREEN_CTRL_ID_FIRST_LEVEL:
8287       *x = mSX + GDI_ACTIVE_POS(menu.main.button.first_level.x);
8288       *y = mSY + GDI_ACTIVE_POS(menu.main.button.first_level.y);
8289       break;
8290
8291     case SCREEN_CTRL_ID_LAST_LEVEL:
8292       *x = mSX + GDI_ACTIVE_POS(menu.main.button.last_level.x);
8293       *y = mSY + GDI_ACTIVE_POS(menu.main.button.last_level.y);
8294       break;
8295
8296     case SCREEN_CTRL_ID_LEVEL_NUMBER:
8297       *x = mSX + GDI_ACTIVE_POS(menu.main.button.level_number.x);
8298       *y = mSY + GDI_ACTIVE_POS(menu.main.button.level_number.y);
8299       break;
8300
8301     case SCREEN_CTRL_ID_PREV_PLAYER:
8302       *x = mSX + TILEX * 10;
8303       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
8304       break;
8305
8306     case SCREEN_CTRL_ID_NEXT_PLAYER:
8307       *x = mSX + TILEX * 12;
8308       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
8309       break;
8310
8311     case SCREEN_CTRL_ID_INSERT_SOLUTION:
8312       *x = mSX + GDI_ACTIVE_POS(menu.main.button.insert_solution.x);
8313       *y = mSY + GDI_ACTIVE_POS(menu.main.button.insert_solution.y);
8314       break;
8315
8316     case SCREEN_CTRL_ID_PLAY_SOLUTION:
8317       *x = mSX + GDI_ACTIVE_POS(menu.main.button.play_solution.x);
8318       *y = mSY + GDI_ACTIVE_POS(menu.main.button.play_solution.y);
8319       break;
8320
8321     default:
8322       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
8323   }
8324 }
8325
8326 static struct
8327 {
8328   int gfx_unpressed, gfx_pressed;
8329   void (*get_gadget_position)(int *, int *, int);
8330   int gadget_id;
8331   int screen_mask;
8332   unsigned int event_mask;
8333   char *infotext;
8334 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8335 {
8336   {
8337     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8338     getScreenMenuButtonPos,
8339     SCREEN_CTRL_ID_PREV_LEVEL,
8340     SCREEN_MASK_MAIN,
8341     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8342     "previous level"
8343   },
8344   {
8345     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8346     getScreenMenuButtonPos,
8347     SCREEN_CTRL_ID_NEXT_LEVEL,
8348     SCREEN_MASK_MAIN,
8349     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8350     "next level"
8351   },
8352   {
8353     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8354     getScreenMenuButtonPos,
8355     SCREEN_CTRL_ID_FIRST_LEVEL,
8356     SCREEN_MASK_MAIN,
8357     GD_EVENT_RELEASED,
8358     "first level"
8359   },
8360   {
8361     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8362     getScreenMenuButtonPos,
8363     SCREEN_CTRL_ID_LAST_LEVEL,
8364     SCREEN_MASK_MAIN,
8365     GD_EVENT_RELEASED,
8366     "last level"
8367   },
8368   {
8369     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8370     getScreenMenuButtonPos,
8371     SCREEN_CTRL_ID_LEVEL_NUMBER,
8372     SCREEN_MASK_MAIN,
8373     GD_EVENT_RELEASED,
8374     "level number"
8375   },
8376   {
8377     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8378     getScreenMenuButtonPos,
8379     SCREEN_CTRL_ID_PREV_PLAYER,
8380     SCREEN_MASK_INPUT,
8381     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8382     "previous player"
8383   },
8384   {
8385     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8386     getScreenMenuButtonPos,
8387     SCREEN_CTRL_ID_NEXT_PLAYER,
8388     SCREEN_MASK_INPUT,
8389     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8390     "next player"
8391   },
8392   {
8393     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8394     getScreenMenuButtonPos,
8395     SCREEN_CTRL_ID_INSERT_SOLUTION,
8396     SCREEN_MASK_MAIN_HAS_SOLUTION,
8397     GD_EVENT_RELEASED,
8398     "insert solution tape"
8399   },
8400   {
8401     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8402     getScreenMenuButtonPos,
8403     SCREEN_CTRL_ID_PLAY_SOLUTION,
8404     SCREEN_MASK_MAIN_HAS_SOLUTION,
8405     GD_EVENT_RELEASED,
8406     "play solution tape"
8407   },
8408 };
8409
8410 static struct
8411 {
8412   int gfx_unpressed, gfx_pressed;
8413   int x, y;
8414   int gadget_id;
8415   char *infotext;
8416 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8417 {
8418   {
8419     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8420     -1, -1,     // these values are not constant, but can change at runtime
8421     SCREEN_CTRL_ID_SCROLL_UP,
8422     "scroll up"
8423   },
8424   {
8425     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8426     -1, -1,     // these values are not constant, but can change at runtime
8427     SCREEN_CTRL_ID_SCROLL_DOWN,
8428     "scroll down"
8429   }
8430 };
8431
8432 static struct
8433 {
8434   int gfx_unpressed, gfx_pressed;
8435   int x, y;
8436   int width, height;
8437   int type;
8438   int gadget_id;
8439   char *infotext;
8440 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8441 {
8442   {
8443     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8444     -1, -1,     // these values are not constant, but can change at runtime
8445     -1, -1,     // these values are not constant, but can change at runtime
8446     GD_TYPE_SCROLLBAR_VERTICAL,
8447     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8448     "scroll level series vertically"
8449   }
8450 };
8451
8452 static struct
8453 {
8454   int graphic;
8455   int gadget_id;
8456   int x, y;
8457   int size;
8458   char *value;
8459   char *infotext;
8460 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8461 {
8462   {
8463     IMG_SETUP_INPUT_TEXT,
8464     SCREEN_CTRL_ID_NETWORK_SERVER,
8465     -1, -1,     // these values are not constant, but can change at runtime
8466     MAX_SETUP_TEXT_INPUT_LEN,
8467     network_server_hostname,
8468     "Network Server Hostname / IP"
8469   },
8470 };
8471
8472 static void CreateScreenMenubuttons(void)
8473 {
8474   struct GadgetInfo *gi;
8475   unsigned int event_mask;
8476   int i;
8477
8478   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8479   {
8480     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8481     int gfx_unpressed, gfx_pressed;
8482     int x, y, width, height;
8483     int gd_x1, gd_x2, gd_y1, gd_y2;
8484     int id = menubutton_info[i].gadget_id;
8485
8486     event_mask = menubutton_info[i].event_mask;
8487
8488     menubutton_info[i].get_gadget_position(&x, &y, id);
8489
8490     if (menubutton_info[i].screen_mask == SCREEN_MASK_MAIN_HAS_SOLUTION)
8491     {
8492       width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8493       height = graphic_info[menubutton_info[i].gfx_pressed].height;
8494     }
8495     else
8496     {
8497       width = SC_MENUBUTTON_XSIZE;
8498       height = SC_MENUBUTTON_YSIZE;
8499     }
8500
8501     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8502     gfx_pressed   = menubutton_info[i].gfx_pressed;
8503     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8504     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8505     gd_x1 = graphic_info[gfx_unpressed].src_x;
8506     gd_y1 = graphic_info[gfx_unpressed].src_y;
8507     gd_x2 = graphic_info[gfx_pressed].src_x;
8508     gd_y2 = graphic_info[gfx_pressed].src_y;
8509
8510     gi = CreateGadget(GDI_CUSTOM_ID, id,
8511                       GDI_CUSTOM_TYPE_ID, i,
8512                       GDI_IMAGE_ID, gfx_unpressed,
8513                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8514                       GDI_X, x,
8515                       GDI_Y, y,
8516                       GDI_WIDTH, width,
8517                       GDI_HEIGHT, height,
8518                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8519                       GDI_STATE, GD_BUTTON_UNPRESSED,
8520                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8521                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8522                       GDI_DIRECT_DRAW, FALSE,
8523                       GDI_EVENT_MASK, event_mask,
8524                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8525                       GDI_END);
8526
8527     if (gi == NULL)
8528       Error(ERR_EXIT, "cannot create gadget");
8529
8530     screen_gadget[id] = gi;
8531   }
8532 }
8533
8534 static void CreateScreenScrollbuttons(void)
8535 {
8536   struct GadgetInfo *gi;
8537   unsigned int event_mask;
8538   int i;
8539
8540   // these values are not constant, but can change at runtime
8541   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
8542   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
8543   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
8544   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
8545
8546   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8547   {
8548     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8549     int gfx_unpressed, gfx_pressed;
8550     int x, y, width, height;
8551     int gd_x1, gd_x2, gd_y1, gd_y2;
8552     int id = scrollbutton_info[i].gadget_id;
8553
8554     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8555
8556     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
8557     y = mSY + scrollbutton_info[i].y;
8558     width = SC_SCROLLBUTTON_XSIZE;
8559     height = SC_SCROLLBUTTON_YSIZE;
8560
8561     // correct scrollbar position if placed outside menu (playfield) area
8562     if (x > SX + SC_SCROLL_UP_XPOS)
8563       x = SX + SC_SCROLL_UP_XPOS;
8564
8565     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
8566       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
8567                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
8568
8569     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
8570     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
8571     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8572     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8573     gd_x1 = graphic_info[gfx_unpressed].src_x;
8574     gd_y1 = graphic_info[gfx_unpressed].src_y;
8575     gd_x2 = graphic_info[gfx_pressed].src_x;
8576     gd_y2 = graphic_info[gfx_pressed].src_y;
8577
8578     gi = CreateGadget(GDI_CUSTOM_ID, id,
8579                       GDI_CUSTOM_TYPE_ID, i,
8580                       GDI_IMAGE_ID, gfx_unpressed,
8581                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8582                       GDI_X, x,
8583                       GDI_Y, y,
8584                       GDI_WIDTH, width,
8585                       GDI_HEIGHT, height,
8586                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8587                       GDI_STATE, GD_BUTTON_UNPRESSED,
8588                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8589                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8590                       GDI_DIRECT_DRAW, FALSE,
8591                       GDI_EVENT_MASK, event_mask,
8592                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8593                       GDI_END);
8594
8595     if (gi == NULL)
8596       Error(ERR_EXIT, "cannot create gadget");
8597
8598     screen_gadget[id] = gi;
8599   }
8600 }
8601
8602 static void CreateScreenScrollbars(void)
8603 {
8604   int i;
8605
8606   // these values are not constant, but can change at runtime
8607   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
8608   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
8609   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
8610   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
8611
8612   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8613   {
8614     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8615     int gfx_unpressed, gfx_pressed;
8616     int x, y, width, height;
8617     int gd_x1, gd_x2, gd_y1, gd_y2;
8618     struct GadgetInfo *gi;
8619     int items_max, items_visible, item_position;
8620     unsigned int event_mask;
8621     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
8622     int id = scrollbar_info[i].gadget_id;
8623
8624     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8625
8626     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
8627     y = mSY + scrollbar_info[i].y;
8628     width  = scrollbar_info[i].width;
8629     height = scrollbar_info[i].height;
8630
8631     // correct scrollbar position if placed outside menu (playfield) area
8632     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
8633       x = SX + SC_SCROLL_VERTICAL_XPOS;
8634
8635     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
8636       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
8637
8638     items_max = num_page_entries;
8639     items_visible = num_page_entries;
8640     item_position = 0;
8641
8642     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
8643     gfx_pressed   = scrollbar_info[i].gfx_pressed;
8644     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8645     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8646     gd_x1 = graphic_info[gfx_unpressed].src_x;
8647     gd_y1 = graphic_info[gfx_unpressed].src_y;
8648     gd_x2 = graphic_info[gfx_pressed].src_x;
8649     gd_y2 = graphic_info[gfx_pressed].src_y;
8650
8651     gi = CreateGadget(GDI_CUSTOM_ID, id,
8652                       GDI_CUSTOM_TYPE_ID, i,
8653                       GDI_IMAGE_ID, gfx_unpressed,
8654                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8655                       GDI_X, x,
8656                       GDI_Y, y,
8657                       GDI_WIDTH, width,
8658                       GDI_HEIGHT, height,
8659                       GDI_TYPE, scrollbar_info[i].type,
8660                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8661                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8662                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8663                       GDI_WHEEL_AREA_X, SX,
8664                       GDI_WHEEL_AREA_Y, SY,
8665                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
8666                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
8667                       GDI_STATE, GD_BUTTON_UNPRESSED,
8668                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8669                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8670                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
8671                       GDI_DIRECT_DRAW, FALSE,
8672                       GDI_EVENT_MASK, event_mask,
8673                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8674                       GDI_END);
8675
8676     if (gi == NULL)
8677       Error(ERR_EXIT, "cannot create gadget");
8678
8679     screen_gadget[id] = gi;
8680   }
8681 }
8682
8683 static void CreateScreenTextInputGadgets(void)
8684 {
8685   int i;
8686
8687   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
8688   {
8689     int graphic = textinput_info[i].graphic;
8690     struct GraphicInfo *gd = &graphic_info[graphic];
8691     int gd_x1 = gd->src_x;
8692     int gd_y1 = gd->src_y;
8693     int gd_x2 = gd->src_x + gd->active_xoffset;
8694     int gd_y2 = gd->src_y + gd->active_yoffset;
8695     struct GadgetInfo *gi;
8696     unsigned int event_mask;
8697     int id = textinput_info[i].gadget_id;
8698     int x = textinput_info[i].x;
8699     int y = textinput_info[i].y;
8700
8701     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8702
8703     gi = CreateGadget(GDI_CUSTOM_ID, id,
8704                       GDI_CUSTOM_TYPE_ID, i,
8705                       GDI_INFO_TEXT, textinput_info[i].infotext,
8706                       GDI_X, SX + x,
8707                       GDI_Y, SY + y,
8708                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8709                       GDI_TEXT_VALUE, textinput_info[i].value,
8710                       GDI_TEXT_SIZE, textinput_info[i].size,
8711                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
8712                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
8713                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8714                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8715                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8716                       GDI_DESIGN_WIDTH, gd->width,
8717                       GDI_EVENT_MASK, event_mask,
8718                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8719                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
8720                       GDI_END);
8721
8722     if (gi == NULL)
8723       Error(ERR_EXIT, "cannot create gadget");
8724
8725     screen_gadget[id] = gi;
8726   }
8727 }
8728
8729 void CreateScreenGadgets(void)
8730 {
8731   CreateScreenMenubuttons();
8732
8733   CreateScreenScrollbuttons();
8734   CreateScreenScrollbars();
8735
8736   CreateScreenTextInputGadgets();
8737 }
8738
8739 void FreeScreenGadgets(void)
8740 {
8741   int i;
8742
8743   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
8744     FreeGadget(screen_gadget[i]);
8745 }
8746
8747 void MapScreenMenuGadgets(int screen_mask)
8748 {
8749   int i;
8750
8751   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8752     if (screen_mask & menubutton_info[i].screen_mask)
8753       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8754 }
8755
8756 static void UnmapScreenMenuGadgets(int screen_mask)
8757 {
8758   int i;
8759
8760   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8761   {
8762     if (screen_mask & menubutton_info[i].screen_mask)
8763     {
8764       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8765
8766       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
8767         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
8768                        screen_gadget[menubutton_info[i].gadget_id]->y,
8769                        screen_gadget[menubutton_info[i].gadget_id]->width,
8770                        screen_gadget[menubutton_info[i].gadget_id]->height);
8771     }
8772   }
8773 }
8774
8775 void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
8776 {
8777   if (map_gadgets)
8778     MapScreenMenuGadgets(screen_mask);
8779   else
8780     UnmapScreenMenuGadgets(screen_mask);
8781 }
8782
8783 void MapScreenGadgets(int num_entries)
8784 {
8785   int i;
8786
8787   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
8788     return;
8789
8790   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8791     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
8792
8793   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8794     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
8795 }
8796
8797 void MapScreenTreeGadgets(TreeInfo *ti)
8798 {
8799   MapScreenGadgets(numTreeInfoInGroup(ti));
8800 }
8801
8802 static void HandleScreenGadgets(struct GadgetInfo *gi)
8803 {
8804   int id = gi->custom_id;
8805   int button = gi->event.button;
8806   int step = (button == MB_LEFTBUTTON   ? 1 :
8807               button == MB_MIDDLEBUTTON ? 5 :
8808               button == MB_RIGHTBUTTON  ? 10 : 1);
8809
8810   switch (id)
8811   {
8812     case SCREEN_CTRL_ID_PREV_LEVEL:
8813       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
8814       break;
8815
8816     case SCREEN_CTRL_ID_NEXT_LEVEL:
8817       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
8818       break;
8819
8820     case SCREEN_CTRL_ID_FIRST_LEVEL:
8821       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
8822       break;
8823
8824     case SCREEN_CTRL_ID_LAST_LEVEL:
8825       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
8826       break;
8827
8828     case SCREEN_CTRL_ID_LEVEL_NUMBER:
8829       CloseDoor(DOOR_CLOSE_2);
8830       SetGameStatus(GAME_MODE_LEVELNR);
8831       DrawChooseLevelNr();
8832       break;
8833
8834     case SCREEN_CTRL_ID_PREV_PLAYER:
8835       HandleSetupScreen_Input_Player(step, -1);
8836       break;
8837
8838     case SCREEN_CTRL_ID_NEXT_PLAYER:
8839       HandleSetupScreen_Input_Player(step, +1);
8840       break;
8841
8842     case SCREEN_CTRL_ID_INSERT_SOLUTION:
8843       InsertSolutionTape();
8844       break;
8845
8846     case SCREEN_CTRL_ID_PLAY_SOLUTION:
8847       PlaySolutionTape();
8848       break;
8849
8850     case SCREEN_CTRL_ID_SCROLL_UP:
8851       if (game_status == GAME_MODE_LEVELS)
8852         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8853       else if (game_status == GAME_MODE_LEVELNR)
8854         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8855       else if (game_status == GAME_MODE_SETUP)
8856         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8857       else if (game_status == GAME_MODE_INFO)
8858         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8859       break;
8860
8861     case SCREEN_CTRL_ID_SCROLL_DOWN:
8862       if (game_status == GAME_MODE_LEVELS)
8863         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8864       else if (game_status == GAME_MODE_LEVELNR)
8865         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8866       else if (game_status == GAME_MODE_SETUP)
8867         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8868       else if (game_status == GAME_MODE_INFO)
8869         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8870       break;
8871
8872     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
8873       if (game_status == GAME_MODE_LEVELS)
8874         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
8875       else if (game_status == GAME_MODE_LEVELNR)
8876         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
8877       else if (game_status == GAME_MODE_SETUP)
8878         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
8879       else if (game_status == GAME_MODE_INFO)
8880         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
8881       break;
8882
8883     case SCREEN_CTRL_ID_NETWORK_SERVER:
8884     {
8885       if (!strEqual(gi->textinput.value, ""))
8886       {
8887         setString(&setup.network_server_hostname, gi->textinput.value);
8888
8889         network.server_host = setup.network_server_hostname;
8890       }
8891       else
8892       {
8893         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
8894
8895         network.server_host = NULL;
8896       }
8897
8898       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
8899         network.server_host = NULL;
8900
8901       execSetupGame_setNetworkServerText();
8902
8903       DrawSetupScreen();
8904
8905       break;
8906     }
8907
8908     default:
8909       break;
8910   }
8911 }
8912
8913 void DumpScreenIdentifiers(void)
8914 {
8915   int i;
8916
8917   Print("Active screen elements on current screen:\n");
8918
8919   for (i = 0; main_controls[i].nr != -1; i++)
8920   {
8921     struct MainControlInfo *mci = &main_controls[i];
8922
8923     if (mci->button_graphic != -1)
8924     {
8925       char *token = getTokenFromImageID(mci->button_graphic);
8926
8927       Print("- '%s'\n", token);
8928     }
8929   }
8930
8931   Print("Done.\n");
8932 }
8933
8934 boolean DoScreenAction(int image_id)
8935 {
8936   int i;
8937
8938   if (game_status != GAME_MODE_MAIN)
8939     return FALSE;
8940
8941   for (i = 0; main_controls[i].nr != -1; i++)
8942   {
8943     struct MainControlInfo *mci = &main_controls[i];
8944     struct MenuPosInfo *pos = mci->pos_button;
8945
8946     if (mci->button_graphic == image_id)
8947     {
8948       int x = mSX + pos->x;
8949       int y = mSY + pos->y;
8950
8951       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
8952
8953       return TRUE;
8954     }
8955   }
8956
8957   return FALSE;
8958 }
8959
8960 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
8961 {
8962   // get tree info node of newly added level or artwork set
8963   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
8964   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
8965                                                       tree_subdir_new);
8966   if (tree_node_new == NULL)    // should not happen
8967     return;
8968
8969   // if request dialog is active, do nothing
8970   if (game.request_active)
8971     return;
8972
8973   if (game_status == GAME_MODE_MAIN &&
8974       tree_type == TREE_TYPE_LEVEL_DIR)
8975   {
8976     // when adding new level set in main menu, select it as current level set
8977
8978     // change current level set to newly added level set from zip file
8979     leveldir_current = tree_node_new;
8980
8981     // change current level number to first level of newly added level set
8982     level_nr = leveldir_current->first_level;
8983
8984     // redraw screen to reflect changed level set
8985     DrawMainMenu();
8986
8987     // save this level set and level number as last selected level set
8988     SaveLevelSetup_LastSeries();
8989     SaveLevelSetup_SeriesInfo();
8990   }
8991   else if (game_status == GAME_MODE_LEVELS &&
8992            tree_type == TREE_TYPE_LEVEL_DIR)
8993   {
8994     // when adding new level set in level set menu, set cursor and update screen
8995
8996     leveldir_current = tree_node_new;
8997
8998     DrawChooseTree(&leveldir_current);
8999   }
9000   else if (game_status == GAME_MODE_SETUP)
9001   {
9002     // when adding new artwork set in setup menu, set cursor and update screen
9003
9004     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9005         tree_type == TREE_TYPE_GRAPHICS_DIR)
9006     {
9007       artwork.gfx_current = tree_node_new;
9008
9009       DrawChooseTree(&artwork.gfx_current);
9010     }
9011     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9012              tree_type == TREE_TYPE_SOUNDS_DIR)
9013     {
9014       artwork.snd_current = tree_node_new;
9015
9016       DrawChooseTree(&artwork.snd_current);
9017     }
9018     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9019              tree_type == TREE_TYPE_MUSIC_DIR)
9020     {
9021       artwork.mus_current = tree_node_new;
9022
9023       DrawChooseTree(&artwork.mus_current);
9024     }
9025   }
9026 }