src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26
  27 #define DEBUG_JOYSTICKS         0
  28
  29
  30 // screens on the info screen
  31 #define INFO_MODE_MAIN                  0
  32 #define INFO_MODE_TITLE                 1
  33 #define INFO_MODE_ELEMENTS              2
  34 #define INFO_MODE_MUSIC                 3
  35 #define INFO_MODE_CREDITS               4
  36 #define INFO_MODE_PROGRAM               5
  37 #define INFO_MODE_VERSION               6
  38 #define INFO_MODE_LEVELSET              7
  39
  40 #define MAX_INFO_MODES                  8
  41
  42 // screens on the setup screen
  43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
  44 // (should also match corresponding entries in src/conf_gfx.c)
  45 #define SETUP_MODE_MAIN                 0
  46 #define SETUP_MODE_GAME                 1
  47 #define SETUP_MODE_ENGINES              2
  48 #define SETUP_MODE_EDITOR               3
  49 #define SETUP_MODE_GRAPHICS             4
  50 #define SETUP_MODE_SOUND                5
  51 #define SETUP_MODE_ARTWORK              6
  52 #define SETUP_MODE_INPUT                7
  53 #define SETUP_MODE_TOUCH                8
  54 #define SETUP_MODE_SHORTCUTS            9
  55 #define SETUP_MODE_SHORTCUTS_1          10
  56 #define SETUP_MODE_SHORTCUTS_2          11
  57 #define SETUP_MODE_SHORTCUTS_3          12
  58 #define SETUP_MODE_SHORTCUTS_4          13
  59 #define SETUP_MODE_SHORTCUTS_5          14
  60
  61 // sub-screens on the setup screen (generic)
  62 #define SETUP_MODE_CHOOSE_ARTWORK       15
  63 #define SETUP_MODE_CHOOSE_OTHER         16
  64
  65 // sub-screens on the setup screen (specific)
  66 #define SETUP_MODE_CHOOSE_GAME_SPEED    17
  67 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  18
  68 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
  69 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
  70 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
  71 #define SETUP_MODE_CHOOSE_RENDERING     22
  72 #define SETUP_MODE_CHOOSE_VSYNC         23
  73 #define SETUP_MODE_CHOOSE_GRAPHICS      24
  74 #define SETUP_MODE_CHOOSE_SOUNDS        25
  75 #define SETUP_MODE_CHOOSE_MUSIC         26
  76 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
  77 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  28
  78 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  29
  79 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
  80 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
  81 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
  82 #define SETUP_MODE_CHOOSE_TRANSPARENCY  33
  83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  34
  84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  35
  85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  36
  86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  37
  87 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  38
  88
  89 #define MAX_SETUP_MODES                 39
  90
  91 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  92
  93 // setup screen titles
  94 #define STR_SETUP_MAIN                  "Setup"
  95 #define STR_SETUP_GAME                  "Game & Menu"
  96 #define STR_SETUP_ENGINES               "Game Engines"
  97 #define STR_SETUP_EDITOR                "Editor"
  98 #define STR_SETUP_GRAPHICS              "Graphics"
  99 #define STR_SETUP_SOUND                 "Sound & Music"
 100 #define STR_SETUP_ARTWORK               "Custom Artwork"
 101 #define STR_SETUP_INPUT                 "Input Devices"
 102 #define STR_SETUP_TOUCH                 "Touch Controls"
 103 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 104 #define STR_SETUP_EXIT                  "Exit"
 105 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 106
 107 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 108 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 109 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 110 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 111 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 112 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 113 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 114 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 115 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 116 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 117 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 118 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 119 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 120 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 121 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 122 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 123 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 124 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 125
 126 // other screen text constants
 127 #define STR_CHOOSE_TREE_EDIT            "Edit"
 128
 129 // for input setup functions
 130 #define SETUPINPUT_SCREEN_POS_START     0
 131 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 132 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 133 #define SETUPINPUT_SCREEN_POS_END       13
 134
 135 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 136 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 137
 138 #define MAX_SETUP_TEXT_INPUT_LEN        28
 139
 140 // for various menu stuff
 141 #define MENU_SCREEN_START_XPOS          1
 142 #define MENU_SCREEN_START_YPOS          2
 143 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 144 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
 145 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 146 #define MENU_TITLE1_YPOS                8
 147 #define MENU_TITLE2_YPOS                46
 148 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 149 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 150 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 151 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 152 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 153 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 154 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 155 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 156 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 157 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 158 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 159                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 160                                                          MENU_INFO_FONT_TITLE))
 161 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 162 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 163 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 164                                          MENU_SCREEN_INFO_YSTART2 -     \
 165                                          TILEY / 2)
 166 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 167 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 168                                          MENU_SCREEN_INFO_YSTEP)
 169 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 170   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 171    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 172    MAX_MENU_ENTRIES_ON_SCREEN)
 173 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 174                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 175                                             NUM_INFO_ELEMENTS_FROM_CONF)
 176 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 177 #define MAX_MENU_TEXT_LENGTH_BIG        13
 178 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 179
 180 // screen gadget identifiers
 181 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 182 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 183 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 184 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 185 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 186 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 187 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 188 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 189 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 190 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
 191 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
 192 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
 193 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
 194 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
 195 #define SCREEN_CTRL_ID_SCROLL_UP        14
 196 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
 197 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
 198 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
 199
 200 #define NUM_SCREEN_GADGETS              18
 201
 202 #define NUM_SCREEN_MENUBUTTONS          14
 203 #define NUM_SCREEN_SCROLLBUTTONS        2
 204 #define NUM_SCREEN_SCROLLBARS           1
 205 #define NUM_SCREEN_TEXTINPUT            1
 206
 207 #define SCREEN_MASK_MAIN                (1 << 0)
 208 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 209 #define SCREEN_MASK_INPUT               (1 << 2)
 210 #define SCREEN_MASK_TOUCH               (1 << 3)
 211 #define SCREEN_MASK_TOUCH2              (1 << 4)
 212
 213 // graphic position and size values for buttons and scrollbars
 214 #define SC_MENUBUTTON_XSIZE             TILEX
 215 #define SC_MENUBUTTON_YSIZE             TILEY
 216
 217 #define SC_SCROLLBUTTON_XSIZE           TILEX
 218 #define SC_SCROLLBUTTON_YSIZE           TILEY
 219
 220 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 221
 222 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 223 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 224                                          SC_SCROLLBUTTON_YSIZE)
 225
 226 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 227 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 228
 229 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 230 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 231                                          SC_SCROLLBUTTON_YSIZE)
 232
 233 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 234 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 235                                          SC_SCROLL_VERTICAL_YSIZE)
 236
 237 #define SC_BORDER_SIZE                  14
 238
 239
 240 // forward declarations of internal functions
 241 static void HandleScreenGadgets(struct GadgetInfo *);
 242 static void HandleSetupScreen_Generic(int, int, int, int, int);
 243 static void HandleSetupScreen_Input(int, int, int, int, int);
 244 static void CustomizeKeyboard(int);
 245 static void ConfigureJoystick(int);
 246 static void ConfigureVirtualButtons(void);
 247 static void execSetupGame(void);
 248 static void execSetupEngines(void);
 249 static void execSetupGraphics(void);
 250 static void execSetupSound(void);
 251 static void execSetupTouch(void);
 252 static void execSetupArtwork(void);
 253 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 254
 255 static void DrawChoosePlayerName(void);
 256 static void DrawChooseLevelSet(void);
 257 static void DrawChooseLevelNr(void);
 258 static void DrawInfoScreen(void);
 259 static void DrawSetupScreen(void);
 260 static void DrawTypeName(void);
 261
 262 static void DrawInfoScreen_NotAvailable(char *, char *);
 263 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 264 static void DrawInfoScreen_HelpText(int, int, int, int);
 265 static void HandleInfoScreen_Main(int, int, int, int, int);
 266 static void HandleInfoScreen_TitleScreen(int);
 267 static void HandleInfoScreen_Elements(int);
 268 static void HandleInfoScreen_Music(int);
 269 static void HandleInfoScreen_Credits(int);
 270 static void HandleInfoScreen_Program(int);
 271 static void HandleInfoScreen_Version(int);
 272
 273 static void ModifyGameSpeedIfNeeded(void);
 274 static void DisableVsyncIfNeeded(void);
 275
 276 static void MapScreenMenuGadgets(int);
 277 static void UnmapScreenMenuGadgets(int);
 278 static void MapScreenGadgets(int);
 279 static void MapScreenTreeGadgets(TreeInfo *);
 280
 281 static void UpdateScreenMenuGadgets(int, boolean);
 282
 283 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 284
 285 static int info_mode = INFO_MODE_MAIN;
 286 static int setup_mode = SETUP_MODE_MAIN;
 287
 288 static TreeInfo *window_sizes = NULL;
 289 static TreeInfo *window_size_current = NULL;
 290
 291 static TreeInfo *scaling_types = NULL;
 292 static TreeInfo *scaling_type_current = NULL;
 293
 294 static TreeInfo *rendering_modes = NULL;
 295 static TreeInfo *rendering_mode_current = NULL;
 296
 297 static TreeInfo *vsync_modes = NULL;
 298 static TreeInfo *vsync_mode_current = NULL;
 299
 300 static TreeInfo *scroll_delays = NULL;
 301 static TreeInfo *scroll_delay_current = NULL;
 302
 303 static TreeInfo *snapshot_modes = NULL;
 304 static TreeInfo *snapshot_mode_current = NULL;
 305
 306 static TreeInfo *game_speeds_normal = NULL;
 307 static TreeInfo *game_speeds_extended = NULL;
 308 static TreeInfo *game_speeds = NULL;
 309 static TreeInfo *game_speed_current = NULL;
 310
 311 static TreeInfo *volumes_simple = NULL;
 312 static TreeInfo *volume_simple_current = NULL;
 313
 314 static TreeInfo *volumes_loops = NULL;
 315 static TreeInfo *volume_loops_current = NULL;
 316
 317 static TreeInfo *volumes_music = NULL;
 318 static TreeInfo *volume_music_current = NULL;
 319
 320 static TreeInfo *touch_controls = NULL;
 321 static TreeInfo *touch_control_current = NULL;
 322
 323 static TreeInfo *move_distances = NULL;
 324 static TreeInfo *move_distance_current = NULL;
 325
 326 static TreeInfo *drop_distances = NULL;
 327 static TreeInfo *drop_distance_current = NULL;
 328
 329 static TreeInfo *transparencies = NULL;
 330 static TreeInfo *transparency_current = NULL;
 331
 332 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 333 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 334
 335 static TreeInfo *player_name = NULL;
 336 static TreeInfo *player_name_current = NULL;
 337
 338 static TreeInfo *level_number = NULL;
 339 static TreeInfo *level_number_current = NULL;
 340
 341 static struct ValueTextInfo window_sizes_list[] =
 342 {
 343   {     50,     "50 %"                          },
 344   {     80,     "80 %"                          },
 345   {     90,     "90 %"                          },
 346   {     100,    "100 % (Default)"               },
 347   {     110,    "110 %"                         },
 348   {     120,    "120 %"                         },
 349   {     130,    "130 %"                         },
 350   {     140,    "140 %"                         },
 351   {     150,    "150 %"                         },
 352   {     200,    "200 %"                         },
 353   {     250,    "250 %"                         },
 354   {     300,    "300 %"                         },
 355
 356   {     -1,     NULL                            },
 357 };
 358
 359 static struct StringValueTextInfo scaling_types_list[] =
 360 {
 361   {     SCALING_QUALITY_NEAREST, "Off"          },
 362   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 363   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 364
 365   {     NULL,                    NULL           },
 366 };
 367
 368 static struct StringValueTextInfo rendering_modes_list[] =
 369 {
 370   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 371   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 372 #if DEBUG
 373   // this mode may work under certain conditions, but does not work on Windows
 374   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 375 #endif
 376   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 377
 378   {     NULL,                            NULL                            },
 379 };
 380
 381 static struct StringValueTextInfo vsync_modes_list[] =
 382 {
 383   {     STR_VSYNC_MODE_OFF,             "Off"           },
 384   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 385   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 386
 387   {     NULL,                            NULL           },
 388 };
 389
 390 static struct ValueTextInfo game_speeds_list_normal[] =
 391 {
 392   {     30,     "Very Slow"                     },
 393   {     25,     "Slow"                          },
 394   {     20,     "Normal"                        },
 395   {     15,     "Fast"                          },
 396   {     10,     "Very Fast"                     },
 397
 398   {     -1,     NULL                            },
 399 };
 400
 401 static struct ValueTextInfo game_speeds_list_extended[] =
 402 {
 403   {     1000,   "1 fps (Extremely Slow)"        },
 404   {     500,    "2 fps"                         },
 405   {     200,    "5 fps"                         },
 406   {     100,    "10 fps"                        },
 407   {     50,     "20 fps"                        },
 408   {     29,     "35 fps (Original Supaplex)"    },
 409   {     25,     "40 fps"                        },
 410   {     20,     "50 fps (=== Normal Speed ===)" },
 411   {     16,     "60 fps (60 Hz VSync Speed)"    },
 412   {     14,     "70 fps (Maximum Supaplex)"     },
 413   {     10,     "100 fps"                       },
 414   {     5,      "200 fps"                       },
 415   {     2,      "500 fps"                       },
 416   {     1,      "1000 fps (Extremely Fast)"     },
 417
 418   {     -1,     NULL                            },
 419 };
 420
 421 static struct ValueTextInfo *game_speeds_list;
 422
 423 static struct ValueTextInfo scroll_delays_list[] =
 424 {
 425   {     0,      "0 Tiles (No Scroll Delay)"     },
 426   {     1,      "1 Tile"                        },
 427   {     2,      "2 Tiles"                       },
 428   {     3,      "3 Tiles (Default)"             },
 429   {     4,      "4 Tiles"                       },
 430   {     5,      "5 Tiles"                       },
 431   {     6,      "6 Tiles"                       },
 432   {     7,      "7 Tiles"                       },
 433   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 434
 435   {     -1,     NULL                            },
 436 };
 437
 438 static struct StringValueTextInfo snapshot_modes_list[] =
 439 {
 440   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 441   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 442   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 443   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 444
 445   {     NULL,                                   NULL            },
 446 };
 447
 448 static struct ValueTextInfo volumes_list[] =
 449 {
 450   {     0,      "0 %"                           },
 451   {     1,      "1 %"                           },
 452   {     2,      "2 %"                           },
 453   {     5,      "5 %"                           },
 454   {     10,     "10 %"                          },
 455   {     20,     "20 %"                          },
 456   {     30,     "30 %"                          },
 457   {     40,     "40 %"                          },
 458   {     50,     "50 %"                          },
 459   {     60,     "60 %"                          },
 460   {     70,     "70 %"                          },
 461   {     80,     "80 %"                          },
 462   {     90,     "90 %"                          },
 463   {     100,    "100 %"                         },
 464
 465   {     -1,     NULL                            },
 466 };
 467
 468 static struct StringValueTextInfo touch_controls_list[] =
 469 {
 470   {     TOUCH_CONTROL_OFF,              "Off"                   },
 471   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 472   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 473   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 474
 475   {     NULL,                           NULL                    },
 476 };
 477
 478 static struct ValueTextInfo distances_list[] =
 479 {
 480   {     1,      "1 %"                           },
 481   {     2,      "2 %"                           },
 482   {     3,      "3 %"                           },
 483   {     4,      "4 %"                           },
 484   {     5,      "5 %"                           },
 485   {     10,     "10 %"                          },
 486   {     15,     "15 %"                          },
 487   {     20,     "20 %"                          },
 488   {     25,     "25 %"                          },
 489
 490   {     -1,     NULL                            },
 491 };
 492
 493 static struct ValueTextInfo transparencies_list[] =
 494 {
 495   {     0,      "0 % (Opaque)"                  },
 496   {     10,     "10 %"                          },
 497   {     20,     "20 %"                          },
 498   {     30,     "30 %"                          },
 499   {     40,     "40 %"                          },
 500   {     50,     "50 %"                          },
 501   {     60,     "60 %"                          },
 502   {     70,     "70 %"                          },
 503   {     80,     "80 %"                          },
 504   {     90,     "90 %"                          },
 505   {     100,    "100 % (Invisible)"             },
 506
 507   {     -1,     NULL                            },
 508 };
 509
 510 static struct ValueTextInfo grid_sizes_list[] =
 511 {
 512   {     3,      "3"                             },
 513   {     4,      "4"                             },
 514   {     5,      "5"                             },
 515   {     6,      "6"                             },
 516   {     7,      "7"                             },
 517   {     8,      "8"                             },
 518   {     9,      "9"                             },
 519   {     10,     "10"                            },
 520   {     11,     "11"                            },
 521   {     12,     "12"                            },
 522   {     13,     "13"                            },
 523   {     14,     "14"                            },
 524   {     15,     "15"                            },
 525   {     16,     "16"                            },
 526   {     17,     "17"                            },
 527   {     18,     "18"                            },
 528   {     19,     "19"                            },
 529   {     20,     "20"                            },
 530   {     21,     "21"                            },
 531   {     22,     "22"                            },
 532   {     23,     "23"                            },
 533   {     24,     "24"                            },
 534   {     25,     "25"                            },
 535   {     26,     "26"                            },
 536   {     27,     "27"                            },
 537   {     28,     "28"                            },
 538   {     29,     "29"                            },
 539   {     30,     "30"                            },
 540   {     31,     "31"                            },
 541   {     32,     "32"                            },
 542
 543   {     -1,     NULL                            },
 544 };
 545
 546 static int align_xoffset = 0;
 547 static int align_yoffset = 0;
 548
 549 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 550                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 551                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 552                                  GAME_MODE_MAIN :                       \
 553                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 554                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 555
 556 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 557 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 558                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 559                                  INFO_MODE_MAIN)
 560
 561 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 562                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 563                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 564                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 565                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 566                                  SETUP_MODE_CHOOSE_OTHER)
 567
 568 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 569                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 570                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 571 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 572                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 573                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 574 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 575                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 576                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 577
 578 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 579                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 580                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 581 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 582                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 583                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 584 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 585                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 586                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 587
 588 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 589                                  DRAW_XOFFSET_INFO(info_mode) :         \
 590                                  (s) == GAME_MODE_SETUP ?               \
 591                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 592                                  menu.draw_xoffset[DRAW_MODE(s)])
 593 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 594                                  DRAW_YOFFSET_INFO(info_mode) :         \
 595                                  (s) == GAME_MODE_SETUP ?               \
 596                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 597                                  menu.draw_yoffset[DRAW_MODE(s)])
 598 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 599                                  EXTRA_SPACING_INFO(info_mode) :        \
 600                                  (s) == GAME_MODE_SETUP ?               \
 601                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 602                                  menu.extra_spacing[DRAW_MODE(s)])
 603
 604 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 605 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 606
 607 #define amSX                    (mSX + align_xoffset)
 608 #define amSY                    (mSY + align_yoffset)
 609
 610 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 611                                     menu.list_size[game_status] :       \
 612                                     MAX_MENU_ENTRIES_ON_SCREEN)
 613
 614 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 615                                          NUM_MENU_ENTRIES_ON_SCREEN)
 616
 617
 618 // title display and control definitions
 619
 620 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 621                                  2 * MAX_NUM_TITLE_MESSAGES)
 622
 623 #define NO_DIRECT_LEVEL_SELECT  (-1)
 624
 625
 626 static int num_title_screens = 0;
 627
 628 struct TitleControlInfo
 629 {
 630   boolean is_image;
 631   boolean initial;
 632   boolean first;
 633   int local_nr;
 634   int sort_priority;
 635 };
 636
 637 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 638
 639 // main menu display and control definitions
 640
 641 #define MAIN_CONTROL_NAME                       0
 642 #define MAIN_CONTROL_LEVELS                     1
 643 #define MAIN_CONTROL_SCORES                     2
 644 #define MAIN_CONTROL_EDITOR                     3
 645 #define MAIN_CONTROL_INFO                       4
 646 #define MAIN_CONTROL_GAME                       5
 647 #define MAIN_CONTROL_SETUP                      6
 648 #define MAIN_CONTROL_QUIT                       7
 649 #define MAIN_CONTROL_PREV_LEVEL                 8
 650 #define MAIN_CONTROL_NEXT_LEVEL                 9
 651 #define MAIN_CONTROL_FIRST_LEVEL                10
 652 #define MAIN_CONTROL_LAST_LEVEL                 11
 653 #define MAIN_CONTROL_LEVEL_NUMBER               12
 654 #define MAIN_CONTROL_LEVEL_INFO_1               13
 655 #define MAIN_CONTROL_LEVEL_INFO_2               14
 656 #define MAIN_CONTROL_LEVEL_NAME                 15
 657 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 658 #define MAIN_CONTROL_LEVEL_YEAR                 17
 659 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 660 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 661 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 662 #define MAIN_CONTROL_TITLE_1                    21
 663 #define MAIN_CONTROL_TITLE_2                    22
 664 #define MAIN_CONTROL_TITLE_3                    23
 665
 666 static char str_main_text_name[10];
 667 static char str_main_text_first_level[10];
 668 static char str_main_text_last_level[10];
 669 static char str_main_text_level_number[10];
 670
 671 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 672
 673 static char *main_text_name                     = str_main_text_name;
 674 static char *main_text_first_level              = str_main_text_first_level;
 675 static char *main_text_last_level               = str_main_text_last_level;
 676 static char *main_text_level_number             = str_main_text_level_number;
 677 static char *main_text_levels                   = "Levelset";
 678 static char *main_text_scores                   = "Hall Of Fame";
 679 static char *main_text_editor                   = "Level Creator";
 680 static char *main_text_info                     = "Info Screen";
 681 static char *main_text_game                     = "Start Game";
 682 static char *main_text_setup                    = "Setup";
 683 static char *main_text_quit                     = "Quit";
 684 static char *main_text_level_name               = level.name;
 685 static char *main_text_level_author             = level.author;
 686 static char *main_text_level_year               = NULL;
 687 static char *main_text_level_imported_from      = NULL;
 688 static char *main_text_level_imported_by        = NULL;
 689 static char *main_text_level_tested_by          = NULL;
 690 static char *main_text_title_1                  = NULL;
 691 static char *main_text_title_2                  = NULL;
 692 static char *main_text_title_3                  = NULL;
 693
 694 extern char debug_xsn_mode[];
 695
 696 struct MainControlInfo
 697 {
 698   int nr;
 699
 700   struct MenuPosInfo *pos_button;
 701   int button_graphic;
 702
 703   struct TextPosInfo *pos_text;
 704   char **text;
 705
 706   struct TextPosInfo *pos_input;
 707   char **input;
 708 };
 709
 710 static struct MainControlInfo main_controls[] =
 711 {
 712   {
 713     MAIN_CONTROL_NAME,
 714     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 715     &menu.main.text.name,               &main_text_name,
 716     &menu.main.input.name,              &setup.player_name,
 717   },
 718   {
 719     MAIN_CONTROL_LEVELS,
 720     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 721     &menu.main.text.levels,             &main_text_levels,
 722     NULL,                               NULL,
 723   },
 724   {
 725     MAIN_CONTROL_SCORES,
 726     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 727     &menu.main.text.scores,             &main_text_scores,
 728     NULL,                               NULL,
 729   },
 730   {
 731     MAIN_CONTROL_EDITOR,
 732     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 733     &menu.main.text.editor,             &main_text_editor,
 734     NULL,                               NULL,
 735   },
 736   {
 737     MAIN_CONTROL_INFO,
 738     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 739     &menu.main.text.info,               &main_text_info,
 740     NULL,                               NULL,
 741   },
 742   {
 743     MAIN_CONTROL_GAME,
 744     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 745     &menu.main.text.game,               &main_text_game,
 746     NULL,                               NULL,
 747   },
 748   {
 749     MAIN_CONTROL_SETUP,
 750     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 751     &menu.main.text.setup,              &main_text_setup,
 752     NULL,                               NULL,
 753   },
 754   {
 755     MAIN_CONTROL_QUIT,
 756     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 757     &menu.main.text.quit,               &main_text_quit,
 758     NULL,                               NULL,
 759   },
 760   {
 761     MAIN_CONTROL_PREV_LEVEL,
 762     NULL,                               -1,
 763     NULL,                               NULL,
 764     NULL,                               NULL,
 765   },
 766   {
 767     MAIN_CONTROL_NEXT_LEVEL,
 768     NULL,                               -1,
 769     NULL,                               NULL,
 770     NULL,                               NULL,
 771   },
 772   {
 773     MAIN_CONTROL_FIRST_LEVEL,
 774     NULL,                               -1,
 775     &menu.main.text.first_level,        &main_text_first_level,
 776     NULL,                               NULL,
 777   },
 778   {
 779     MAIN_CONTROL_LAST_LEVEL,
 780     NULL,                               -1,
 781     &menu.main.text.last_level,         &main_text_last_level,
 782     NULL,                               NULL,
 783   },
 784   {
 785     MAIN_CONTROL_LEVEL_NUMBER,
 786     NULL,                               -1,
 787     &menu.main.text.level_number,       &main_text_level_number,
 788     NULL,                               NULL,
 789   },
 790   {
 791     MAIN_CONTROL_LEVEL_INFO_1,
 792     NULL,                               -1,
 793     &menu.main.text.level_info_1,       NULL,
 794     NULL,                               NULL,
 795   },
 796   {
 797     MAIN_CONTROL_LEVEL_INFO_2,
 798     NULL,                               -1,
 799     &menu.main.text.level_info_2,       NULL,
 800     NULL,                               NULL,
 801   },
 802   {
 803     MAIN_CONTROL_LEVEL_NAME,
 804     NULL,                               -1,
 805     &menu.main.text.level_name,         &main_text_level_name,
 806     NULL,                               NULL,
 807   },
 808   {
 809     MAIN_CONTROL_LEVEL_AUTHOR,
 810     NULL,                               -1,
 811     &menu.main.text.level_author,       &main_text_level_author,
 812     NULL,                               NULL,
 813   },
 814   {
 815     MAIN_CONTROL_LEVEL_YEAR,
 816     NULL,                               -1,
 817     &menu.main.text.level_year,         &main_text_level_year,
 818     NULL,                               NULL,
 819   },
 820   {
 821     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 822     NULL,                               -1,
 823     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 824     NULL,                               NULL,
 825   },
 826   {
 827     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 828     NULL,                               -1,
 829     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 830     NULL,                               NULL,
 831   },
 832   {
 833     MAIN_CONTROL_LEVEL_TESTED_BY,
 834     NULL,                               -1,
 835     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 836     NULL,                               NULL,
 837   },
 838   {
 839     MAIN_CONTROL_TITLE_1,
 840     NULL,                               -1,
 841     &menu.main.text.title_1,            &main_text_title_1,
 842     NULL,                               NULL,
 843   },
 844   {
 845     MAIN_CONTROL_TITLE_2,
 846     NULL,                               -1,
 847     &menu.main.text.title_2,            &main_text_title_2,
 848     NULL,                               NULL,
 849   },
 850   {
 851     MAIN_CONTROL_TITLE_3,
 852     NULL,                               -1,
 853     &menu.main.text.title_3,            &main_text_title_3,
 854     NULL,                               NULL,
 855   },
 856
 857   {
 858     -1,
 859     NULL,                               -1,
 860     NULL,                               NULL,
 861     NULL,                               NULL,
 862   }
 863 };
 864
 865
 866 static int getTitleScreenGraphic(int nr, boolean initial)
 867 {
 868   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 869 }
 870
 871 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 872 {
 873   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 874 }
 875
 876 #if 0
 877 static int getTitleScreenGameMode(boolean initial)
 878 {
 879   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 880 }
 881 #endif
 882
 883 static int getTitleMessageGameMode(boolean initial)
 884 {
 885   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 886 }
 887
 888 static int getTitleAnimMode(struct TitleControlInfo *tci)
 889 {
 890   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 891
 892   return base + tci->local_nr;
 893 }
 894
 895 #if 0
 896 static int getTitleScreenBackground(boolean initial)
 897 {
 898   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 899 }
 900 #endif
 901
 902 #if 0
 903 static int getTitleMessageBackground(int nr, boolean initial)
 904 {
 905   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 906 }
 907 #endif
 908
 909 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 910 {
 911   int base = (is_image ?
 912               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 913                          IMG_BACKGROUND_TITLESCREEN_1) :
 914               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 915                          IMG_BACKGROUND_TITLEMESSAGE_1));
 916   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 917                                   IMG_BACKGROUND_TITLE);
 918   int graphic_local = base + nr;
 919
 920   if (graphic_info[graphic_local].bitmap != NULL)
 921     return graphic_local;
 922
 923   if (graphic_info[graphic_global].bitmap != NULL)
 924     return graphic_global;
 925
 926   return IMG_UNDEFINED;
 927 }
 928
 929 static int getTitleSound(struct TitleControlInfo *tci)
 930 {
 931   boolean is_image = tci->is_image;
 932   int initial = tci->initial;
 933   int nr = tci->local_nr;
 934   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 935   int base = (is_image ?
 936               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 937                          SND_BACKGROUND_TITLESCREEN_1) :
 938               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 939                          SND_BACKGROUND_TITLEMESSAGE_1));
 940   int sound_global = menu.sound[mode];
 941   int sound_local = base + nr;
 942
 943 #if 0
 944   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
 945         nr, initial, is_image,
 946         sound_global, getSoundListEntry(sound_global)->filename,
 947         sound_local, getSoundListEntry(sound_local)->filename);
 948 #endif
 949
 950   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 951     return sound_local;
 952
 953   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 954     return sound_global;
 955
 956   return SND_UNDEFINED;
 957 }
 958
 959 static int getTitleMusic(struct TitleControlInfo *tci)
 960 {
 961   boolean is_image = tci->is_image;
 962   int initial = tci->initial;
 963   int nr = tci->local_nr;
 964   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 965   int base = (is_image ?
 966               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 967                          MUS_BACKGROUND_TITLESCREEN_1) :
 968               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 969                          MUS_BACKGROUND_TITLEMESSAGE_1));
 970   int music_global = menu.music[mode];
 971   int music_local = base + nr;
 972
 973 #if 0
 974   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
 975         nr, initial, is_image,
 976         music_global, getMusicListEntry(music_global)->filename,
 977         music_local, getMusicListEntry(music_local)->filename);
 978 #endif
 979
 980   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 981     return music_local;
 982
 983   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 984     return music_global;
 985
 986   return MUS_UNDEFINED;
 987 }
 988
 989 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 990 {
 991   boolean is_image = tci->is_image;
 992   boolean initial = tci->initial;
 993   boolean first = tci->first;
 994   int nr = tci->local_nr;
 995   struct TitleMessageInfo tmi;
 996   struct TitleFadingInfo ti;
 997
 998   tmi = (is_image ? (initial ? (first ?
 999                                 titlescreen_initial_first[nr] :
1000                                 titlescreen_initial[nr])
1001                              : (first ?
1002                                 titlescreen_first[nr] :
1003                                 titlescreen[nr]))
1004                   : (initial ? (first ?
1005                                 titlemessage_initial_first[nr] :
1006                                 titlemessage_initial[nr])
1007                              : (first ?
1008                                 titlemessage_first[nr] :
1009                                 titlemessage[nr])));
1010
1011   ti.fade_mode  = tmi.fade_mode;
1012   ti.fade_delay = tmi.fade_delay;
1013   ti.post_delay = tmi.post_delay;
1014   ti.auto_delay = tmi.auto_delay;
1015   ti.auto_delay_unit = tmi.auto_delay_unit;
1016
1017   return ti;
1018 }
1019
1020 static int compareTitleControlInfo(const void *object1, const void *object2)
1021 {
1022   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1023   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1024   int compare_result;
1025
1026   if (tci1->initial != tci2->initial)
1027     compare_result = (tci1->initial ? -1 : +1);
1028   else if (tci1->sort_priority != tci2->sort_priority)
1029     compare_result = tci1->sort_priority - tci2->sort_priority;
1030   else if (tci1->is_image != tci2->is_image)
1031     compare_result = (tci1->is_image ? -1 : +1);
1032   else
1033     compare_result = tci1->local_nr - tci2->local_nr;
1034
1035   return compare_result;
1036 }
1037
1038 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1039                                                     boolean initial,
1040                                                     int nr, int sort_priority)
1041 {
1042   title_controls[num_title_screens].is_image = is_image;
1043   title_controls[num_title_screens].initial = initial;
1044   title_controls[num_title_screens].local_nr = nr;
1045   title_controls[num_title_screens].sort_priority = sort_priority;
1046
1047   title_controls[num_title_screens].first = FALSE;      // will be set later
1048
1049   num_title_screens++;
1050 }
1051
1052 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1053 {
1054   int i;
1055
1056   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1057   {
1058     int graphic = getTitleScreenGraphic(i, initial);
1059     Bitmap *bitmap = graphic_info[graphic].bitmap;
1060     int sort_priority = graphic_info[graphic].sort_priority;
1061
1062     if (bitmap != NULL)
1063       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1064   }
1065
1066   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1067   {
1068     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1069     char *filename = getLevelSetTitleMessageFilename(i, initial);
1070     int sort_priority = tmi->sort_priority;
1071
1072     if (filename != NULL)
1073       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1074   }
1075 }
1076
1077 static void InitializeTitleControls(boolean show_title_initial)
1078 {
1079   num_title_screens = 0;
1080
1081   // 1st step: initialize title screens for game start (only when starting)
1082   if (show_title_initial)
1083     InitializeTitleControls_CheckTitleInfo(TRUE);
1084
1085   // 2nd step: initialize title screens for current level set
1086   InitializeTitleControls_CheckTitleInfo(FALSE);
1087
1088   // sort title screens according to sort_priority and title number
1089   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1090         compareTitleControlInfo);
1091
1092   // mark first title screen
1093   title_controls[0].first = TRUE;
1094 }
1095
1096 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1097 {
1098   return (pos != NULL && pos->x != -1 && pos->y != -1);
1099 }
1100
1101 static boolean visibleTextPos(struct TextPosInfo *pos)
1102 {
1103   return (pos != NULL && pos->x != -1 && pos->y != -1);
1104 }
1105
1106 static void InitializeMainControls(void)
1107 {
1108   boolean local_team_mode = (!network.enabled && setup.team_mode);
1109   int i;
1110
1111   // set main control text values to dynamically determined values
1112   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1113
1114   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1115                                          menu.main.text.first_level.size));
1116   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1117                                          menu.main.text.last_level.size));
1118   strcpy(main_text_level_number, int2str(level_nr,
1119                                          menu.main.text.level_number.size));
1120
1121   main_text_level_year          = leveldir_current->year;
1122   main_text_level_imported_from = leveldir_current->imported_from;
1123   main_text_level_imported_by   = leveldir_current->imported_by;
1124   main_text_level_tested_by     = leveldir_current->tested_by;
1125
1126   main_text_title_1 = getConfigProgramTitleString();
1127   main_text_title_2 = getConfigProgramCopyrightString();
1128   main_text_title_3 = getConfigProgramCompanyString();
1129
1130   // set main control screen positions to dynamically determined values
1131   for (i = 0; main_controls[i].nr != -1; i++)
1132   {
1133     struct MainControlInfo *mci = &main_controls[i];
1134     int nr                         = mci->nr;
1135     struct MenuPosInfo *pos_button = mci->pos_button;
1136     struct TextPosInfo *pos_text   = mci->pos_text;
1137     struct TextPosInfo *pos_input  = mci->pos_input;
1138     char *text                     = (mci->text  ? *mci->text  : NULL);
1139     char *input                    = (mci->input ? *mci->input : NULL);
1140     int button_graphic             = mci->button_graphic;
1141     int font_text                  = (pos_text  ? pos_text->font  : -1);
1142     int font_input                 = (pos_input ? pos_input->font : -1);
1143
1144     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1145     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1146     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1147     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1148     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1149     int input_chars = (input != NULL ? strlen(input) : 0);
1150
1151     int button_width =
1152       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1153     int button_height =
1154       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1155     int text_width   = font_text_width * text_chars;
1156     int text_height  = font_text_height;
1157     int input_width  = font_input_width * input_chars;
1158     int input_height = font_input_height;
1159
1160     if (nr == MAIN_CONTROL_NAME)
1161     {
1162       menu.main.input.name.width  = input_width;
1163       menu.main.input.name.height = input_height;
1164     }
1165
1166     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1167     {
1168       pos_button->width  = button_width;
1169       pos_button->height = button_height;
1170     }
1171
1172     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1173     {
1174       // calculate text size -- needed for text alignment
1175       boolean calculate_text_size = (text != NULL);
1176
1177       if (pos_text->width == -1 || calculate_text_size)
1178         pos_text->width = text_width;
1179       if (pos_text->height == -1 || calculate_text_size)
1180         pos_text->height = text_height;
1181
1182       if (visibleMenuPos(pos_button))
1183       {
1184         if (pos_text->x == -1)
1185           pos_text->x = pos_button->x + pos_button->width;
1186         if (pos_text->y == -1)
1187           pos_text->y =
1188             pos_button->y + (pos_button->height - pos_text->height) / 2;
1189       }
1190     }
1191
1192     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1193     {
1194       if (visibleTextPos(pos_text))
1195       {
1196         if (pos_input->x == -1)
1197           pos_input->x = pos_text->x + pos_text->width;
1198         if (pos_input->y == -1)
1199           pos_input->y = pos_text->y;
1200       }
1201
1202       if (pos_input->width == -1)
1203         pos_input->width = input_width;
1204       if (pos_input->height == -1)
1205         pos_input->height = input_height;
1206     }
1207   }
1208 }
1209
1210 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1211                                        int graphic, boolean pressed)
1212 {
1213   struct GraphicInfo *g = &graphic_info[graphic];
1214   Bitmap *src_bitmap;
1215   int src_x, src_y;
1216   int xoffset = (pressed ? g->pressed_xoffset : 0);
1217   int yoffset = (pressed ? g->pressed_yoffset : 0);
1218
1219   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1220
1221   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1222                    g->width, g->height, dst_x, dst_y);
1223 }
1224
1225 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1226                                        boolean active_input,
1227                                        boolean pressed_button)
1228 {
1229   int i;
1230
1231   for (i = 0; main_controls[i].nr != -1; i++)
1232   {
1233     struct MainControlInfo *mci = &main_controls[i];
1234
1235     if (mci->nr == nr || nr == -1)
1236     {
1237       struct MenuPosInfo *pos_button = mci->pos_button;
1238       struct TextPosInfo *pos_text   = mci->pos_text;
1239       struct TextPosInfo *pos_input  = mci->pos_input;
1240       char *text                     = (mci->text  ? *mci->text  : NULL);
1241       char *input                    = (mci->input ? *mci->input : NULL);
1242       int button_graphic             = mci->button_graphic;
1243       int font_text                  = (pos_text  ? pos_text->font  : -1);
1244       int font_input                 = (pos_input ? pos_input->font : -1);
1245
1246       if (active_text)
1247       {
1248         button_graphic = BUTTON_ACTIVE(button_graphic);
1249         font_text = FONT_ACTIVE(font_text);
1250       }
1251
1252       if (active_input)
1253       {
1254         font_input = FONT_ACTIVE(font_input);
1255       }
1256
1257       if (visibleMenuPos(pos_button))
1258       {
1259         struct MenuPosInfo *pos = pos_button;
1260         int x = mSX + pos->x;
1261         int y = mSY + pos->y;
1262
1263         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1264         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1265       }
1266
1267       if (visibleTextPos(pos_text) && text != NULL)
1268       {
1269         struct TextPosInfo *pos = pos_text;
1270         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1271         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1272
1273 #if 1
1274         // (check why/if this is needed)
1275         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1276 #endif
1277         DrawText(x, y, text, font_text);
1278       }
1279
1280       if (visibleTextPos(pos_input) && input != NULL)
1281       {
1282         struct TextPosInfo *pos = pos_input;
1283         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1284         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1285
1286 #if 1
1287         // (check why/if this is needed)
1288         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1289 #endif
1290         DrawText(x, y, input, font_input);
1291       }
1292     }
1293   }
1294 }
1295
1296 static void DrawCursorAndText_Main(int nr, boolean active_text,
1297                                    boolean pressed_button)
1298 {
1299   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1300 }
1301
1302 #if 0
1303 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1304                                          boolean pressed_button)
1305 {
1306   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1307 }
1308 #endif
1309
1310 static struct MainControlInfo *getMainControlInfo(int nr)
1311 {
1312   int i;
1313
1314   for (i = 0; main_controls[i].nr != -1; i++)
1315     if (main_controls[i].nr == nr)
1316       return &main_controls[i];
1317
1318   return NULL;
1319 }
1320
1321 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1322 {
1323   if (rect == NULL)
1324     return FALSE;
1325
1326   int rect_x = ALIGNED_TEXT_XPOS(rect);
1327   int rect_y = ALIGNED_TEXT_YPOS(rect);
1328
1329   return (x >= rect_x && x < rect_x + rect->width &&
1330           y >= rect_y && y < rect_y + rect->height);
1331 }
1332
1333 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1334 {
1335   if (rect == NULL)
1336     return FALSE;
1337
1338   int rect_x = ALIGNED_TEXT_XPOS(rect);
1339   int rect_y = ALIGNED_TEXT_YPOS(rect);
1340
1341 #if 0
1342   Debug("screens:insideTextPosRect",
1343         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1344         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1345         (x >= rect_x && x < rect_x + rect->width &&
1346          y >= rect_y && y < rect_y + rect->height));
1347 #endif
1348
1349   return (x >= rect_x && x < rect_x + rect->width &&
1350           y >= rect_y && y < rect_y + rect->height);
1351 }
1352
1353 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1354 {
1355   int rect_width  = preview->xsize * preview->tile_size;
1356   int rect_height = preview->ysize * preview->tile_size;
1357   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1358   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1359
1360   return (x >= rect_x && x < rect_x + rect_width &&
1361           y >= rect_y && y < rect_y + rect_height);
1362 }
1363
1364 static void AdjustScrollbar(int id, int items_max, int items_visible,
1365                             int item_position)
1366 {
1367   struct GadgetInfo *gi = screen_gadget[id];
1368
1369   if (item_position > items_max - items_visible)
1370     item_position = items_max - items_visible;
1371
1372   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1373                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1374                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1375 }
1376
1377 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1378 {
1379   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1380                   first_entry);
1381 }
1382
1383 static void clearMenuListArea(void)
1384 {
1385   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1386
1387   // correct scrollbar position if placed outside menu (playfield) area
1388   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1389     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1390
1391   // clear menu list area, but not title or scrollbar
1392   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1393                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1394 }
1395
1396 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1397 {
1398   static int cursor_array[MAX_LEV_FIELDY];
1399   int x = amSX + TILEX * xpos;
1400   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1401
1402   if (xpos == 0)
1403   {
1404     if (graphic != -1)
1405       cursor_array[ypos] = graphic;
1406     else
1407       graphic = cursor_array[ypos];
1408   }
1409
1410   if (active)
1411     graphic = BUTTON_ACTIVE(graphic);
1412
1413   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1414   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1415 }
1416
1417 static void initCursor(int ypos, int graphic)
1418 {
1419   drawCursorExt(0, ypos, FALSE, graphic);
1420 }
1421
1422 static void drawCursor(int ypos, boolean active)
1423 {
1424   drawCursorExt(0, ypos, active, -1);
1425 }
1426
1427 static void drawCursorXY(int xpos, int ypos, int graphic)
1428 {
1429   drawCursorExt(xpos, ypos, FALSE, graphic);
1430 }
1431
1432 static void drawChooseTreeCursor(int ypos, boolean active)
1433 {
1434   drawCursorExt(0, ypos, active, -1);
1435 }
1436
1437 static int getChooseTreeEditFont(boolean active)
1438 {
1439   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1440 }
1441
1442 static int getChooseTreeEditXPos(int pos)
1443 {
1444   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1445   int xoffset = (has_scrollbar ? -1 : 0);
1446   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1447   int sx = amSX + xpos * TILEX;
1448   int font_nr = getChooseTreeEditFont(FALSE);
1449   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1450
1451   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1452 }
1453
1454 static int getChooseTreeEditYPos(int ypos_raw)
1455 {
1456   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1457   int sy = amSY + ypos * TILEY;
1458
1459   return sy;
1460 }
1461
1462 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1463 {
1464   int sx = getChooseTreeEditXPos(POS_LEFT);
1465   int sy = getChooseTreeEditYPos(ypos_raw);
1466   int font_nr = getChooseTreeEditFont(active);
1467
1468   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1469 }
1470
1471 static void DrawHeadline(void)
1472 {
1473   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1474   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1475 }
1476
1477 static void DrawTitleScreenImage(int nr, boolean initial)
1478 {
1479   int graphic = getTitleScreenGraphic(nr, initial);
1480   Bitmap *bitmap = graphic_info[graphic].bitmap;
1481   int width  = graphic_info[graphic].width;
1482   int height = graphic_info[graphic].height;
1483   int src_x = graphic_info[graphic].src_x;
1484   int src_y = graphic_info[graphic].src_y;
1485   int dst_x, dst_y;
1486
1487   if (bitmap == NULL)
1488     return;
1489
1490   if (width > WIN_XSIZE)
1491   {
1492     // image width too large for window => center image horizontally
1493     src_x = (width - WIN_XSIZE) / 2;
1494     width = WIN_XSIZE;
1495   }
1496
1497   if (height > WIN_YSIZE)
1498   {
1499     // image height too large for window => center image vertically
1500     src_y = (height - WIN_YSIZE) / 2;
1501     height = WIN_YSIZE;
1502   }
1503
1504   // always display title screens centered
1505   dst_x = (WIN_XSIZE - width) / 2;
1506   dst_y = (WIN_YSIZE - height) / 2;
1507
1508   SetDrawBackgroundMask(REDRAW_ALL);
1509   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1510
1511   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1512
1513   if (DrawingOnBackground(dst_x, dst_y))
1514     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1515   else
1516     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1517
1518   redraw_mask = REDRAW_ALL;
1519 }
1520
1521 static void DrawTitleScreenMessage(int nr, boolean initial)
1522 {
1523   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1524   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1525
1526   if (filename == NULL)
1527     return;
1528
1529   // force TITLE font on title message screen
1530   SetFontStatus(getTitleMessageGameMode(initial));
1531
1532   // if chars *and* width set to "-1", automatically determine width
1533   if (tmi->chars == -1 && tmi->width == -1)
1534     tmi->width = viewport.window[game_status].width;
1535
1536   // if lines *and* height set to "-1", automatically determine height
1537   if (tmi->lines == -1 && tmi->height == -1)
1538     tmi->height = viewport.window[game_status].height;
1539
1540   // if chars set to "-1", automatically determine by text and font width
1541   if (tmi->chars == -1)
1542     tmi->chars = tmi->width / getFontWidth(tmi->font);
1543   else
1544     tmi->width = tmi->chars * getFontWidth(tmi->font);
1545
1546   // if lines set to "-1", automatically determine by text and font height
1547   if (tmi->lines == -1)
1548     tmi->lines = tmi->height / getFontHeight(tmi->font);
1549   else
1550     tmi->height = tmi->lines * getFontHeight(tmi->font);
1551
1552   // if x set to "-1", automatically determine by width and alignment
1553   if (tmi->x == -1)
1554     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1555
1556   // if y set to "-1", automatically determine by height and alignment
1557   if (tmi->y == -1)
1558     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1559
1560   SetDrawBackgroundMask(REDRAW_ALL);
1561   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1562
1563   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1564
1565   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1566                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1567                tmi->autowrap, tmi->centered, tmi->parse_comments);
1568
1569   ResetFontStatus();
1570 }
1571
1572 static void DrawTitleScreen(void)
1573 {
1574   KeyboardAutoRepeatOff();
1575
1576   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1577 }
1578
1579 static boolean CheckTitleScreen(boolean levelset_has_changed)
1580 {
1581   static boolean show_title_initial = TRUE;
1582   boolean show_titlescreen = FALSE;
1583
1584   // needed to be able to skip title screen, if no image or message defined
1585   InitializeTitleControls(show_title_initial);
1586
1587   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1588     show_titlescreen = TRUE;
1589
1590   // show initial title images and messages only once at program start
1591   show_title_initial = FALSE;
1592
1593   return (show_titlescreen && num_title_screens > 0);
1594 }
1595
1596 void DrawMainMenu(void)
1597 {
1598   static LevelDirTree *leveldir_last_valid = NULL;
1599   boolean levelset_has_changed = FALSE;
1600   int fade_mask = REDRAW_FIELD;
1601
1602   LimitScreenUpdates(FALSE);
1603
1604   FadeSetLeaveScreen();
1605
1606   // do not fade out here -- function may continue and fade on editor screen
1607
1608   UnmapAllGadgets();
1609   FadeMenuSoundsAndMusic();
1610
1611   ExpireSoundLoops(FALSE);
1612
1613   KeyboardAutoRepeatOn();
1614
1615   audio.sound_deactivated = FALSE;
1616
1617   GetPlayerConfig();
1618
1619   // needed if last screen was the playing screen, invoked from level editor
1620   if (level_editor_test_game)
1621   {
1622     CloseDoor(DOOR_CLOSE_ALL);
1623
1624     SetGameStatus(GAME_MODE_EDITOR);
1625
1626     DrawLevelEd();
1627
1628     return;
1629   }
1630
1631   // leveldir_current may be invalid (level group, parent link)
1632   if (!validLevelSeries(leveldir_current))
1633     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1634
1635   if (leveldir_current != leveldir_last_valid)
1636     levelset_has_changed = TRUE;
1637
1638   // store valid level series information
1639   leveldir_last_valid = leveldir_current;
1640
1641   init_last = init;                     // switch to new busy animation
1642
1643   // needed if last screen (level choice) changed graphics, sounds or music
1644   ReloadCustomArtwork(0);
1645
1646   if (CheckTitleScreen(levelset_has_changed))
1647   {
1648     SetGameStatus(GAME_MODE_TITLE);
1649
1650     DrawTitleScreen();
1651
1652     return;
1653   }
1654
1655   if (redraw_mask & REDRAW_ALL)
1656     fade_mask = REDRAW_ALL;
1657
1658   if (CheckFadeAll())
1659     fade_mask = REDRAW_ALL;
1660
1661   FadeOut(fade_mask);
1662
1663   // needed if different viewport properties defined for menues
1664   ChangeViewportPropertiesIfNeeded();
1665
1666   SetDrawtoField(DRAW_TO_BACKBUFFER);
1667
1668   // level_nr may have been set to value over handicap with level editor
1669   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1670     level_nr = leveldir_current->handicap_level;
1671
1672   LoadLevel(level_nr);
1673   LoadScore(level_nr);
1674
1675   SaveLevelSetup_SeriesInfo();
1676
1677   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1678   SetDrawDeactivationMask(REDRAW_NONE);
1679   SetDrawBackgroundMask(REDRAW_FIELD);
1680
1681   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1682
1683 #if 0
1684   if (fade_mask == REDRAW_ALL)
1685     RedrawGlobalBorder();
1686 #endif
1687
1688   ClearField();
1689
1690   InitializeMainControls();
1691
1692   DrawCursorAndText_Main(-1, FALSE, FALSE);
1693   DrawPreviewLevelInitial();
1694   DrawNetworkPlayers();
1695
1696   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1697
1698   TapeStop();
1699   if (TAPE_IS_EMPTY(tape))
1700     LoadTape(level_nr);
1701   DrawCompleteVideoDisplay();
1702
1703   PlayMenuSoundsAndMusic();
1704
1705   // create gadgets for main menu screen
1706   FreeScreenGadgets();
1707   CreateScreenGadgets();
1708
1709   // may be required if audio buttons shown on tape and changed in setup menu
1710   FreeGameButtons();
1711   CreateGameButtons();
1712
1713   // map gadgets for main menu screen
1714   MapTapeButtons();
1715   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1716   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1717
1718   // copy actual game door content to door double buffer for OpenDoor()
1719   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1720   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1721
1722   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1723
1724   DrawMaskedBorder(fade_mask);
1725
1726   FadeIn(fade_mask);
1727   FadeSetEnterMenu();
1728
1729   // update screen area with special editor door
1730   redraw_mask |= REDRAW_ALL;
1731   BackToFront();
1732
1733   SetMouseCursor(CURSOR_DEFAULT);
1734
1735   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1736 }
1737
1738 static void gotoTopLevelDir(void)
1739 {
1740   // move upwards until inside (but not above) top level directory
1741   while (leveldir_current->node_parent &&
1742          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1743   {
1744     // write a "path" into level tree for easy navigation to last level
1745     if (leveldir_current->node_parent->node_group->cl_first == -1)
1746     {
1747       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1748       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1749       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1750       int cl_first, cl_cursor;
1751
1752       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1753       cl_cursor = leveldir_pos - cl_first;
1754
1755       leveldir_current->node_parent->node_group->cl_first = cl_first;
1756       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1757     }
1758
1759     leveldir_current = leveldir_current->node_parent;
1760   }
1761 }
1762
1763 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1764 {
1765   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1766
1767   return (use_frame_counter ? video.frame_counter : Counter());
1768 }
1769
1770 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1771                                      struct TitleFadingInfo *fi)
1772 {
1773   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1774 }
1775
1776 static void ResetTitleAutoDelay(unsigned int *counter_var,
1777                                 struct TitleFadingInfo *fi)
1778 {
1779   *counter_var = getAutoDelayCounter(fi);
1780 }
1781
1782 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1783 {
1784   static unsigned int title_delay = 0;
1785   static int title_screen_nr = 0;
1786   static int last_sound = -1, last_music = -1;
1787   boolean return_to_main_menu = FALSE;
1788   struct TitleControlInfo *tci;
1789   int sound, music;
1790
1791   if (button == MB_MENU_INITIALIZE)
1792   {
1793     title_delay = 0;
1794     title_screen_nr = 0;
1795     tci = &title_controls[title_screen_nr];
1796
1797     SetAnimStatus(getTitleAnimMode(tci));
1798
1799     last_sound = SND_UNDEFINED;
1800     last_music = MUS_UNDEFINED;
1801
1802     if (num_title_screens != 0)
1803     {
1804       FadeSetEnterScreen();
1805
1806       // use individual title fading instead of global "enter screen" fading
1807       fading = getTitleFading(tci);
1808     }
1809
1810     if (game_status_last_screen == GAME_MODE_INFO)
1811     {
1812       if (num_title_screens == 0)
1813       {
1814         // switch game mode from title screen mode back to info screen mode
1815         SetGameStatus(GAME_MODE_INFO);
1816
1817         // store that last screen was info screen, not main menu screen
1818         game_status_last_screen = GAME_MODE_INFO;
1819
1820         DrawInfoScreen_NotAvailable("Title screen information:",
1821                                     "No title screen for this level set.");
1822         return;
1823       }
1824     }
1825
1826     FadeMenuSoundsAndMusic();
1827
1828     FadeOut(REDRAW_ALL);
1829
1830     // title screens may have different window size
1831     ChangeViewportPropertiesIfNeeded();
1832
1833     // only required to update logic for redrawing global border
1834     ClearField();
1835
1836     if (tci->is_image)
1837       DrawTitleScreenImage(tci->local_nr, tci->initial);
1838     else
1839       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1840
1841     sound = getTitleSound(tci);
1842     music = getTitleMusic(tci);
1843
1844     if (sound != last_sound)
1845       PlayMenuSoundExt(sound);
1846     if (music != last_music)
1847       PlayMenuMusicExt(music);
1848
1849     last_sound = sound;
1850     last_music = music;
1851
1852     SetMouseCursor(CURSOR_NONE);
1853
1854     FadeIn(REDRAW_ALL);
1855
1856     ResetTitleAutoDelay(&title_delay, &fading);
1857
1858     return;
1859   }
1860
1861   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1862     button = MB_MENU_CHOICE;
1863
1864   if (button == MB_MENU_LEAVE)
1865   {
1866     return_to_main_menu = TRUE;
1867   }
1868   else if (button == MB_MENU_CHOICE)
1869   {
1870     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1871     {
1872       SetGameStatus(GAME_MODE_INFO);
1873
1874       info_mode = INFO_MODE_MAIN;
1875
1876       DrawInfoScreen();
1877
1878       return;
1879     }
1880
1881     title_screen_nr++;
1882
1883     if (title_screen_nr < num_title_screens)
1884     {
1885       tci = &title_controls[title_screen_nr];
1886
1887       SetAnimStatus(getTitleAnimMode(tci));
1888
1889       sound = getTitleSound(tci);
1890       music = getTitleMusic(tci);
1891
1892       if (last_sound != SND_UNDEFINED && sound != last_sound)
1893         FadeSound(last_sound);
1894       if (last_music != MUS_UNDEFINED && music != last_music)
1895         FadeMusic();
1896
1897       fading = getTitleFading(tci);
1898
1899       FadeOut(REDRAW_ALL);
1900
1901       if (tci->is_image)
1902         DrawTitleScreenImage(tci->local_nr, tci->initial);
1903       else
1904         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1905
1906       sound = getTitleSound(tci);
1907       music = getTitleMusic(tci);
1908
1909       if (sound != last_sound)
1910         PlayMenuSoundExt(sound);
1911       if (music != last_music)
1912         PlayMenuMusicExt(music);
1913
1914       last_sound = sound;
1915       last_music = music;
1916
1917       FadeIn(REDRAW_ALL);
1918
1919       ResetTitleAutoDelay(&title_delay, &fading);
1920     }
1921     else
1922     {
1923       FadeMenuSoundsAndMusic();
1924
1925       return_to_main_menu = TRUE;
1926     }
1927   }
1928
1929   if (return_to_main_menu)
1930   {
1931     SetMouseCursor(CURSOR_DEFAULT);
1932
1933     // force full menu screen redraw after displaying title screens
1934     redraw_mask = REDRAW_ALL;
1935
1936     if (game_status_last_screen == GAME_MODE_INFO)
1937     {
1938       SetGameStatus(GAME_MODE_INFO);
1939
1940       info_mode = INFO_MODE_MAIN;
1941
1942       DrawInfoScreen();
1943     }
1944     else        // default: return to main menu
1945     {
1946       SetGameStatus(GAME_MODE_MAIN);
1947
1948       DrawMainMenu();
1949     }
1950   }
1951 }
1952
1953 static void HandleMainMenu_SelectLevel(int step, int direction,
1954                                        int selected_level_nr)
1955 {
1956   int old_level_nr = level_nr;
1957   int new_level_nr;
1958
1959   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1960     new_level_nr = selected_level_nr;
1961   else
1962     new_level_nr = old_level_nr + step * direction;
1963
1964   if (new_level_nr < leveldir_current->first_level)
1965     new_level_nr = leveldir_current->first_level;
1966   if (new_level_nr > leveldir_current->last_level)
1967     new_level_nr = leveldir_current->last_level;
1968
1969   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1970   {
1971     // skipping levels is only allowed when trying to skip single level
1972     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1973         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1974     {
1975       leveldir_current->handicap_level++;
1976       SaveLevelSetup_SeriesInfo();
1977     }
1978
1979     new_level_nr = leveldir_current->handicap_level;
1980   }
1981
1982   if (new_level_nr != old_level_nr)
1983   {
1984     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1985
1986     PlaySound(SND_MENU_ITEM_SELECTING);
1987
1988     level_nr = new_level_nr;
1989
1990     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1991              int2str(level_nr, menu.main.text.level_number.size),
1992              mci->pos_text->font);
1993
1994     LoadLevel(level_nr);
1995     DrawPreviewLevelInitial();
1996
1997     TapeErase();
1998     LoadTape(level_nr);
1999     DrawCompleteVideoDisplay();
2000
2001     SaveLevelSetup_SeriesInfo();
2002
2003     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2004
2005     // force redraw of playfield area (may be reset at this point)
2006     redraw_mask |= REDRAW_FIELD;
2007   }
2008 }
2009
2010 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2011 {
2012   static int choice = MAIN_CONTROL_GAME;
2013   static boolean button_pressed_last = FALSE;
2014   boolean button_pressed = FALSE;
2015   int pos = choice;
2016   int i = 0;    // needed to prevent compiler warning due to bad code below
2017
2018   if (button == MB_MENU_INITIALIZE)
2019   {
2020     DrawCursorAndText_Main(choice, TRUE, FALSE);
2021
2022     return;
2023   }
2024
2025   if (mx || my)         // mouse input
2026   {
2027     pos = -1;
2028
2029     for (i = 0; main_controls[i].nr != -1; i++)
2030     {
2031       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2032           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2033           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2034       {
2035         pos = main_controls[i].nr;
2036
2037         break;
2038       }
2039     }
2040
2041     // check if level preview was clicked
2042     if (insidePreviewRect(&preview, mx - SX, my - SY))
2043       pos = MAIN_CONTROL_GAME;
2044
2045     // handle pressed/unpressed state for active/inactive menu buttons
2046     // (if pos != -1, "i" contains index position corresponding to "pos")
2047     if (button &&
2048         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2049         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2050       button_pressed = TRUE;
2051
2052     if (button_pressed != button_pressed_last)
2053     {
2054       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2055
2056       if (button_pressed)
2057         PlaySound(SND_MENU_BUTTON_PRESSING);
2058       else
2059         PlaySound(SND_MENU_BUTTON_RELEASING);
2060     }
2061   }
2062   else if (dx || dy)    // keyboard input
2063   {
2064     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2065                    choice == MAIN_CONTROL_SETUP))
2066       button = MB_MENU_CHOICE;
2067     else if (dy)
2068       pos = choice + dy;
2069   }
2070
2071   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2072   {
2073     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2074   }
2075   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2076   {
2077     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2078   }
2079   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2080   {
2081     CloseDoor(DOOR_CLOSE_2);
2082
2083     SetGameStatus(GAME_MODE_LEVELNR);
2084
2085     DrawChooseLevelNr();
2086   }
2087   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2088   {
2089     if (button)
2090     {
2091       if (pos != choice)
2092       {
2093         PlaySound(SND_MENU_ITEM_ACTIVATING);
2094
2095         DrawCursorAndText_Main(choice, FALSE, FALSE);
2096         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2097
2098         choice = pos;
2099       }
2100       else if (dx != 0)
2101       {
2102         if (choice != MAIN_CONTROL_INFO &&
2103             choice != MAIN_CONTROL_SETUP)
2104           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2105       }
2106     }
2107     else
2108     {
2109       PlaySound(SND_MENU_ITEM_SELECTING);
2110
2111       if (pos == MAIN_CONTROL_NAME)
2112       {
2113         if ((mx || my) &&
2114             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2115         {
2116           // special case: menu text "name/team" clicked -- toggle team mode
2117           setup.team_mode = !setup.team_mode;
2118
2119           InitializeMainControls();
2120           DrawCursorAndText_Main(choice, TRUE, FALSE);
2121
2122           DrawPreviewPlayers();
2123         }
2124         else
2125         {
2126           if (setup.multiple_users)
2127           {
2128             CloseDoor(DOOR_CLOSE_2);
2129
2130             SetGameStatus(GAME_MODE_NAMES);
2131
2132             DrawChoosePlayerName();
2133           }
2134           else
2135           {
2136             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2137
2138             DrawTypeName();
2139           }
2140         }
2141       }
2142       else if (pos == MAIN_CONTROL_LEVELS)
2143       {
2144         if (leveldir_first)
2145         {
2146           CloseDoor(DOOR_CLOSE_2);
2147
2148           SetGameStatus(GAME_MODE_LEVELS);
2149
2150           SaveLevelSetup_LastSeries();
2151           SaveLevelSetup_SeriesInfo();
2152
2153           if (setup.internal.choose_from_top_leveldir)
2154             gotoTopLevelDir();
2155
2156           DrawChooseLevelSet();
2157         }
2158       }
2159       else if (pos == MAIN_CONTROL_SCORES)
2160       {
2161         CloseDoor(DOOR_CLOSE_2);
2162
2163         SetGameStatus(GAME_MODE_SCORES);
2164
2165         DrawHallOfFame(level_nr, -1);
2166       }
2167       else if (pos == MAIN_CONTROL_EDITOR)
2168       {
2169         if (leveldir_current->readonly &&
2170             !strEqual(setup.player_name, "Artsoft"))
2171           Request("This level is read only!", REQ_CONFIRM);
2172
2173         CloseDoor(DOOR_CLOSE_2);
2174
2175         SetGameStatus(GAME_MODE_EDITOR);
2176
2177         FadeSetEnterScreen();
2178
2179         DrawLevelEd();
2180       }
2181       else if (pos == MAIN_CONTROL_INFO)
2182       {
2183         CloseDoor(DOOR_CLOSE_2);
2184
2185         SetGameStatus(GAME_MODE_INFO);
2186
2187         info_mode = INFO_MODE_MAIN;
2188
2189         DrawInfoScreen();
2190       }
2191       else if (pos == MAIN_CONTROL_GAME)
2192       {
2193         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2194       }
2195       else if (pos == MAIN_CONTROL_SETUP)
2196       {
2197         CloseDoor(DOOR_CLOSE_2);
2198
2199         SetGameStatus(GAME_MODE_SETUP);
2200
2201         setup_mode = SETUP_MODE_MAIN;
2202
2203         DrawSetupScreen();
2204       }
2205       else if (pos == MAIN_CONTROL_QUIT)
2206       {
2207         SaveLevelSetup_LastSeries();
2208         SaveLevelSetup_SeriesInfo();
2209
2210         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2211           SetGameStatus(GAME_MODE_QUIT);
2212       }
2213     }
2214   }
2215
2216   button_pressed_last = button_pressed;
2217 }
2218
2219
2220 // ============================================================================
2221 // info screen functions
2222 // ============================================================================
2223
2224 static struct TokenInfo *info_info;
2225 static int num_info_info;       // number of info entries shown on screen
2226 static int max_info_info;       // total number of info entries in list
2227
2228 static void execInfoTitleScreen(void)
2229 {
2230   info_mode = INFO_MODE_TITLE;
2231
2232   DrawInfoScreen();
2233 }
2234
2235 static void execInfoElements(void)
2236 {
2237   info_mode = INFO_MODE_ELEMENTS;
2238
2239   DrawInfoScreen();
2240 }
2241
2242 static void execInfoMusic(void)
2243 {
2244   info_mode = INFO_MODE_MUSIC;
2245
2246   DrawInfoScreen();
2247 }
2248
2249 static void execInfoCredits(void)
2250 {
2251   info_mode = INFO_MODE_CREDITS;
2252
2253   DrawInfoScreen();
2254 }
2255
2256 static void execInfoProgram(void)
2257 {
2258   info_mode = INFO_MODE_PROGRAM;
2259
2260   DrawInfoScreen();
2261 }
2262
2263 static void execInfoVersion(void)
2264 {
2265   info_mode = INFO_MODE_VERSION;
2266
2267   DrawInfoScreen();
2268 }
2269
2270 static void execInfoLevelSet(void)
2271 {
2272   info_mode = INFO_MODE_LEVELSET;
2273
2274   DrawInfoScreen();
2275 }
2276
2277 static void execExitInfo(void)
2278 {
2279   SetGameStatus(GAME_MODE_MAIN);
2280
2281   DrawMainMenu();
2282 }
2283
2284 static struct TokenInfo info_info_main[] =
2285 {
2286   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2287   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2288   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2289   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2290   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2291   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2292   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2293   { TYPE_EMPTY,         NULL,                   ""                      },
2294   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2295
2296   { 0,                  NULL,                   NULL                    }
2297 };
2298
2299 static int getMenuTextFont(int type)
2300 {
2301   if (type & (TYPE_SWITCH       |
2302               TYPE_YES_NO       |
2303               TYPE_YES_NO_AUTO  |
2304               TYPE_STRING       |
2305               TYPE_PLAYER       |
2306               TYPE_ECS_AGA      |
2307               TYPE_KEYTEXT      |
2308               TYPE_ENTER_LIST   |
2309               TYPE_TEXT_INPUT))
2310     return FONT_MENU_2;
2311   else
2312     return FONT_MENU_1;
2313 }
2314
2315 static struct TokenInfo *setup_info;
2316 static struct TokenInfo setup_info_input[];
2317
2318 static struct TokenInfo *menu_info;
2319
2320 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2321                                        int screen_pos, int menu_info_pos_raw,
2322                                        boolean active)
2323 {
2324   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2325   struct TokenInfo *ti = &token_info[pos];
2326   int xpos = MENU_SCREEN_START_XPOS;
2327   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2328   int font_nr = getMenuTextFont(ti->type);
2329
2330   if (setup_mode == SETUP_MODE_INPUT)
2331     font_nr = FONT_MENU_1;
2332
2333   if (active)
2334     font_nr = FONT_ACTIVE(font_nr);
2335
2336   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2337
2338   if (ti->type & ~TYPE_SKIP_ENTRY)
2339     drawCursor(screen_pos, active);
2340 }
2341
2342 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2343                                    boolean active)
2344 {
2345   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2346 }
2347
2348 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2349                                     boolean active)
2350 {
2351   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2352 }
2353
2354 static char *window_size_text;
2355 static char *scaling_type_text;
2356 static char *network_server_text;
2357
2358 static void drawSetupValue(int, int);
2359
2360 static void drawMenuInfoList(int first_entry, int num_page_entries,
2361                              int max_page_entries)
2362 {
2363   int i;
2364
2365   if (first_entry + num_page_entries > max_page_entries)
2366     first_entry = 0;
2367
2368   clearMenuListArea();
2369
2370   for (i = 0; i < num_page_entries; i++)
2371   {
2372     int menu_info_pos = first_entry + i;
2373     struct TokenInfo *si = &menu_info[menu_info_pos];
2374     void *value_ptr = si->value;
2375
2376     // set some entries to "unchangeable" according to other variables
2377     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2378         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2379         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2380         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2381         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2382         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2383       si->type |= TYPE_GHOSTED;
2384
2385     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2386       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2387     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2388       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2389     else if (si->type & ~TYPE_SKIP_ENTRY)
2390       initCursor(i, IMG_MENU_BUTTON);
2391
2392     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2393
2394     if (si->type & TYPE_STRING)
2395     {
2396       int gadget_id = -1;
2397
2398       if (value_ptr == &network_server_text)
2399         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2400
2401       if (gadget_id != -1)
2402       {
2403         struct GadgetInfo *gi = screen_gadget[gadget_id];
2404         int xpos = MENU_SCREEN_START_XPOS;
2405         int ypos = MENU_SCREEN_START_YPOS + i;
2406         int x = mSX + xpos * 32;
2407         int y = mSY + ypos * 32;
2408
2409         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2410       }
2411     }
2412
2413     if (si->type & TYPE_VALUE &&
2414         menu_info == setup_info)
2415       drawSetupValue(i, menu_info_pos);
2416   }
2417 }
2418
2419 static void DrawInfoScreen_Main(void)
2420 {
2421   int fade_mask = REDRAW_FIELD;
2422   int i;
2423
2424   if (redraw_mask & REDRAW_ALL)
2425     fade_mask = REDRAW_ALL;
2426
2427   if (CheckFadeAll())
2428     fade_mask = REDRAW_ALL;
2429
2430   UnmapAllGadgets();
2431   FadeMenuSoundsAndMusic();
2432
2433   FreeScreenGadgets();
2434   CreateScreenGadgets();
2435
2436   // (needed after displaying title screens which disable auto repeat)
2437   KeyboardAutoRepeatOn();
2438
2439   FadeSetLeaveScreen();
2440
2441   FadeOut(fade_mask);
2442
2443   // needed if different viewport properties defined for info screen
2444   ChangeViewportPropertiesIfNeeded();
2445
2446   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2447
2448   ClearField();
2449
2450   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2451
2452   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2453
2454   info_info = info_info_main;
2455
2456   // determine maximal number of info entries that can be displayed on screen
2457   num_info_info = 0;
2458   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2459     num_info_info++;
2460
2461   // determine maximal number of info entries available for menu of info screen
2462   max_info_info = 0;
2463   for (i = 0; info_info[i].type != 0; i++)
2464     max_info_info++;
2465
2466   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2467
2468   MapScreenGadgets(max_info_info);
2469
2470   PlayMenuSoundsAndMusic();
2471
2472   DrawMaskedBorder(fade_mask);
2473
2474   FadeIn(fade_mask);
2475 }
2476
2477 static void changeSetupValue(int, int, int);
2478
2479 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2480                              int mode, int num_page_entries,
2481                              int max_page_entries)
2482 {
2483   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2484   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2485   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2486   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2487   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2488   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2489   int *num_page_entries_last = num_page_entries_all_last[game_status];
2490   int *choice_store = choice_stores[game_status];
2491   int *first_entry_store = first_entry_stores[game_status];
2492   int choice = choice_store[mode];              // starts with 0
2493   int first_entry = first_entry_store[mode];    // starts with 0
2494   int x = 0;
2495   int y = choice - first_entry;
2496   int y_old = y;
2497   boolean position_set_by_scrollbar = (dx == 999);
2498   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2499   int i;
2500
2501   if (button == MB_MENU_INITIALIZE)
2502   {
2503     // check if number of menu page entries has changed (may happen by change
2504     // of custom artwork definition value for 'list_size' for this menu screen)
2505     // (in this case, the last menu position most probably has to be corrected)
2506     if (num_page_entries != num_page_entries_last[mode])
2507     {
2508       choice_store[mode] = first_entry_store[mode] = 0;
2509
2510       choice = first_entry = 0;
2511       y = y_old = 0;
2512
2513       num_page_entries_last[mode] = num_page_entries;
2514     }
2515
2516     // advance to first valid menu entry
2517     while (choice < num_page_entries &&
2518            menu_info[choice].type & TYPE_SKIP_ENTRY)
2519       choice++;
2520
2521     if (position_set_by_scrollbar)
2522       first_entry = first_entry_store[mode] = dy;
2523     else
2524       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2525                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2526
2527     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2528
2529     if (choice < first_entry)
2530     {
2531       choice = first_entry;
2532
2533       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2534         choice++;
2535     }
2536     else if (choice > first_entry + num_page_entries - 1)
2537     {
2538       choice = first_entry + num_page_entries - 1;
2539
2540       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2541         choice--;
2542     }
2543
2544     choice_store[mode] = choice;
2545
2546     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2547
2548     return;
2549   }
2550   else if (button == MB_MENU_LEAVE)
2551   {
2552     PlaySound(SND_MENU_ITEM_SELECTING);
2553
2554     for (i = 0; i < max_page_entries; i++)
2555     {
2556       if (menu_info[i].type & TYPE_LEAVE_MENU)
2557       {
2558         void (*menu_callback_function)(void) = menu_info[i].value;
2559
2560         FadeSetLeaveMenu();
2561
2562         menu_callback_function();
2563
2564         break;  // absolutely needed because function changes 'menu_info'!
2565       }
2566     }
2567
2568     return;
2569   }
2570
2571   if (mx || my)         // mouse input
2572   {
2573     x = (mx - mSX) / 32;
2574     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2575   }
2576   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2577   {
2578     // move cursor instead of scrolling when already at start/end of list
2579     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2580       dy = -1;
2581     else if (dy == +1 * SCROLL_LINE &&
2582              first_entry + num_page_entries == max_page_entries)
2583       dy = 1;
2584
2585     // handle scrolling screen one line or page
2586     if (y + dy < 0 ||
2587         y + dy > num_page_entries - 1)
2588     {
2589       boolean redraw = FALSE;
2590
2591       if (ABS(dy) == SCROLL_PAGE)
2592         step = num_page_entries - 1;
2593
2594       if (dy < 0 && first_entry > 0)
2595       {
2596         // scroll page/line up
2597
2598         first_entry -= step;
2599         if (first_entry < 0)
2600           first_entry = 0;
2601
2602         redraw = TRUE;
2603       }
2604       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2605       {
2606         // scroll page/line down
2607
2608         first_entry += step;
2609         if (first_entry + num_page_entries > max_page_entries)
2610           first_entry = MAX(0, max_page_entries - num_page_entries);
2611
2612         redraw = TRUE;
2613       }
2614
2615       if (redraw)
2616       {
2617         choice += first_entry - first_entry_store[mode];
2618
2619         if (choice < first_entry)
2620         {
2621           choice = first_entry;
2622
2623           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2624             choice++;
2625         }
2626         else if (choice > first_entry + num_page_entries - 1)
2627         {
2628           choice = first_entry + num_page_entries - 1;
2629
2630           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2631             choice--;
2632         }
2633         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2634         {
2635           choice += SIGN(dy);
2636
2637           if (choice < first_entry ||
2638               choice > first_entry + num_page_entries - 1)
2639           first_entry += SIGN(dy);
2640         }
2641
2642         first_entry_store[mode] = first_entry;
2643         choice_store[mode] = choice;
2644
2645         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2646
2647         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2648
2649         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2650                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2651       }
2652
2653       return;
2654     }
2655
2656     if (dx)
2657     {
2658       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2659
2660       if (menu_info[choice].type & menu_navigation_type ||
2661           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2662           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2663           menu_info[choice].type & TYPE_PLAYER)
2664         button = MB_MENU_CHOICE;
2665     }
2666     else if (dy)
2667       y += dy;
2668
2669     // jump to next non-empty menu entry (up or down)
2670     while (first_entry + y > 0 &&
2671            first_entry + y < max_page_entries - 1 &&
2672            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2673       y += dy;
2674
2675     if (!IN_VIS_MENU(x, y))
2676     {
2677       choice += y - y_old;
2678
2679       if (choice < first_entry)
2680         first_entry = choice;
2681       else if (choice > first_entry + num_page_entries - 1)
2682         first_entry = choice - num_page_entries + 1;
2683
2684       if (first_entry >= 0 &&
2685           first_entry + num_page_entries <= max_page_entries)
2686       {
2687         first_entry_store[mode] = first_entry;
2688
2689         if (choice < first_entry)
2690           choice = first_entry;
2691         else if (choice > first_entry + num_page_entries - 1)
2692           choice = first_entry + num_page_entries - 1;
2693
2694         choice_store[mode] = choice;
2695
2696         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2697
2698         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2699
2700         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2701                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2702       }
2703
2704       return;
2705     }
2706   }
2707
2708   if (!anyScrollbarGadgetActive() &&
2709       IN_VIS_MENU(x, y) &&
2710       mx < mx_right_border &&
2711       y >= 0 && y < num_page_entries)
2712   {
2713     if (button)
2714     {
2715       if (first_entry + y != choice &&
2716           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2717       {
2718         PlaySound(SND_MENU_ITEM_ACTIVATING);
2719
2720         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2721         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2722
2723         choice = choice_store[mode] = first_entry + y;
2724       }
2725       else if (dx < 0)
2726       {
2727         PlaySound(SND_MENU_ITEM_SELECTING);
2728
2729         for (i = 0; menu_info[i].type != 0; i++)
2730         {
2731           if (menu_info[i].type & TYPE_LEAVE_MENU)
2732           {
2733             void (*menu_callback_function)(void) = menu_info[i].value;
2734
2735             FadeSetLeaveMenu();
2736
2737             menu_callback_function();
2738
2739             // absolutely needed because function changes 'menu_info'!
2740             break;
2741           }
2742         }
2743
2744         return;
2745       }
2746     }
2747     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2748     {
2749       PlaySound(SND_MENU_ITEM_SELECTING);
2750
2751       // when selecting key headline, execute function for key value change
2752       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2753           menu_info[first_entry + y + 1].type & TYPE_KEY)
2754         y++;
2755
2756       // when selecting string value, execute function for list selection
2757       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2758           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2759         y--;
2760
2761       // when selecting string value, execute function for text input gadget
2762       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2763           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2764         y--;
2765
2766       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2767       {
2768         void (*menu_callback_function)(void) =
2769           menu_info[first_entry + y].value;
2770
2771         FadeSetFromType(menu_info[first_entry + y].type);
2772
2773         menu_callback_function();
2774       }
2775       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2776       {
2777         void (*gadget_callback_function)(void) =
2778           menu_info[first_entry + y].value;
2779
2780         gadget_callback_function();
2781       }
2782       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2783                menu_info == setup_info)
2784       {
2785         changeSetupValue(y, first_entry + y, dx);
2786       }
2787     }
2788   }
2789 }
2790
2791 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2792 {
2793   menu_info = info_info;
2794
2795   HandleMenuScreen(mx, my, dx, dy, button,
2796                    info_mode, num_info_info, max_info_info);
2797 }
2798
2799 static int getMenuFontSpacing(int spacing_height, int font_nr)
2800 {
2801   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2802
2803   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2804           spacing_height);
2805 }
2806
2807 static int getMenuTextSpacing(int spacing_height, int font_nr)
2808 {
2809   return (getMenuFontSpacing(spacing_height, font_nr) +
2810           EXTRA_SPACING(game_status));
2811 }
2812
2813 static int getMenuTextStep(int spacing_height, int font_nr)
2814 {
2815   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2816 }
2817
2818 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2819 {
2820   int font_title = MENU_INFO_FONT_TITLE;
2821   int font_error = FONT_TEXT_2;
2822   int font_foot  = MENU_INFO_FONT_FOOT;
2823   int spacing_title = menu.headline1_spacing_info[info_mode];
2824   int ystep_title = getMenuTextStep(spacing_title, font_title);
2825   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2826   int ystart2 = ystart1 + ystep_title;
2827   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2828
2829   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2830
2831   FadeOut(REDRAW_FIELD);
2832
2833   ClearField();
2834   DrawHeadline();
2835
2836   DrawTextSCentered(ystart1, font_title, text_title);
2837   DrawTextSCentered(ystart2, font_error, text_error);
2838
2839   DrawTextSCentered(ybottom, font_foot,
2840                     "Press any key or button for info menu");
2841
2842   FadeIn(REDRAW_FIELD);
2843 }
2844
2845 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2846 {
2847   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2848   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2849   int font_title = MENU_INFO_FONT_TITLE;
2850   int font_foot  = MENU_INFO_FONT_FOOT;
2851   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2852   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2853   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2854   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2855   int ystep = MENU_SCREEN_INFO_YSTEP;
2856   int element, action, direction;
2857   int graphic;
2858   int delay;
2859   int sync_frame;
2860   int i, j;
2861
2862   if (init)
2863   {
2864     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2865       infoscreen_step[i] = infoscreen_frame[i] = 0;
2866
2867     ClearField();
2868     DrawHeadline();
2869
2870     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2871
2872     DrawTextSCentered(ybottom, font_foot,
2873                       "Press any key or button for next page");
2874
2875     FrameCounter = 0;
2876   }
2877
2878   i = j = 0;
2879   while (helpanim_info[j].element != HELPANIM_LIST_END)
2880   {
2881     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2882         i >= max_anims)
2883       break;
2884     else if (i < start)
2885     {
2886       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2887         j++;
2888
2889       j++;
2890       i++;
2891
2892       continue;
2893     }
2894
2895     j += infoscreen_step[i - start];
2896
2897     element = helpanim_info[j].element;
2898     action = helpanim_info[j].action;
2899     direction = helpanim_info[j].direction;
2900
2901     if (element < 0)
2902       element = EL_UNKNOWN;
2903
2904     if (action != -1 && direction != -1)
2905       graphic = el_act_dir2img(element, action, direction);
2906     else if (action != -1)
2907       graphic = el_act2img(element, action);
2908     else if (direction != -1)
2909       graphic = el_dir2img(element, direction);
2910     else
2911       graphic = el2img(element);
2912
2913     delay = helpanim_info[j++].delay;
2914
2915     if (delay == -1)
2916       delay = 1000000;
2917
2918     if (infoscreen_frame[i - start] == 0)
2919     {
2920       sync_frame = 0;
2921       infoscreen_frame[i - start] = delay - 1;
2922     }
2923     else
2924     {
2925       sync_frame = delay - infoscreen_frame[i - start];
2926       infoscreen_frame[i - start]--;
2927     }
2928
2929     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2930     {
2931       if (!infoscreen_frame[i - start])
2932         infoscreen_step[i - start] = 0;
2933     }
2934     else
2935     {
2936       if (!infoscreen_frame[i - start])
2937         infoscreen_step[i - start]++;
2938       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2939         j++;
2940     }
2941
2942     j++;
2943
2944     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2945                                TILEX, TILEY);
2946     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2947                                  graphic, sync_frame, USE_MASKING);
2948
2949     if (init)
2950       DrawInfoScreen_HelpText(element, action, direction, i - start);
2951
2952     i++;
2953   }
2954
2955   redraw_mask |= REDRAW_FIELD;
2956
2957   FrameCounter++;
2958 }
2959
2960 static char *getHelpText(int element, int action, int direction)
2961 {
2962   char token[MAX_LINE_LEN];
2963
2964   strcpy(token, element_info[element].token_name);
2965
2966   if (action != -1)
2967     strcat(token, element_action_info[action].suffix);
2968
2969   if (direction != -1)
2970     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2971
2972   return getHashEntry(helptext_info, token);
2973 }
2974
2975 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2976 {
2977   int font_nr = FONT_INFO_ELEMENTS;
2978   int font_width = getFontWidth(font_nr);
2979   int font_height = getFontHeight(font_nr);
2980   int yoffset = (TILEX - 2 * font_height) / 2;
2981   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2982   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2983   int ystep = TILEY + 4;
2984   int pad_left = xstart - SX;
2985   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2986   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2987   int max_lines_per_text = 2;
2988   char *text = NULL;
2989
2990   if (action != -1 && direction != -1)          // element.action.direction
2991     text = getHelpText(element, action, direction);
2992
2993   if (text == NULL && action != -1)             // element.action
2994     text = getHelpText(element, action, -1);
2995
2996   if (text == NULL && direction != -1)          // element.direction
2997     text = getHelpText(element, -1, direction);
2998
2999   if (text == NULL)                             // base element
3000     text = getHelpText(element, -1, -1);
3001
3002   if (text == NULL)                             // not found
3003     text = "No description available";
3004
3005   if (strlen(text) <= max_chars_per_line)       // only one line of text
3006     ystart += getFontHeight(font_nr) / 2;
3007
3008   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3009                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3010                  TRUE, FALSE, FALSE);
3011 }
3012
3013 static void DrawInfoScreen_TitleScreen(void)
3014 {
3015   SetGameStatus(GAME_MODE_TITLE);
3016
3017   DrawTitleScreen();
3018 }
3019
3020 void HandleInfoScreen_TitleScreen(int button)
3021 {
3022   HandleTitleScreen(0, 0, 0, 0, button);
3023 }
3024
3025 static void DrawInfoScreen_Elements(void)
3026 {
3027   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3028
3029   FadeOut(REDRAW_FIELD);
3030
3031   LoadHelpAnimInfo();
3032   LoadHelpTextInfo();
3033
3034   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3035
3036   FadeIn(REDRAW_FIELD);
3037 }
3038
3039 void HandleInfoScreen_Elements(int button)
3040 {
3041   static unsigned int info_delay = 0;
3042   static int num_anims;
3043   static int num_pages;
3044   static int page;
3045   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3046   int i;
3047
3048   if (button == MB_MENU_INITIALIZE)
3049   {
3050     boolean new_element = TRUE;
3051
3052     num_anims = 0;
3053
3054     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3055     {
3056       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3057         new_element = TRUE;
3058       else if (new_element)
3059       {
3060         num_anims++;
3061         new_element = FALSE;
3062       }
3063     }
3064
3065     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3066     page = 0;
3067   }
3068
3069   if (button == MB_MENU_LEAVE)
3070   {
3071     PlaySound(SND_MENU_ITEM_SELECTING);
3072
3073     info_mode = INFO_MODE_MAIN;
3074     DrawInfoScreen();
3075
3076     return;
3077   }
3078   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3079   {
3080     if (button != MB_MENU_INITIALIZE)
3081     {
3082       PlaySound(SND_MENU_ITEM_SELECTING);
3083
3084       page++;
3085     }
3086
3087     if (page >= num_pages)
3088     {
3089       FadeMenuSoundsAndMusic();
3090
3091       info_mode = INFO_MODE_MAIN;
3092       DrawInfoScreen();
3093
3094       return;
3095     }
3096
3097     if (page > 0)
3098       FadeSetNextScreen();
3099
3100     if (button != MB_MENU_INITIALIZE)
3101       FadeOut(REDRAW_FIELD);
3102
3103     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3104
3105     if (button != MB_MENU_INITIALIZE)
3106       FadeIn(REDRAW_FIELD);
3107   }
3108   else
3109   {
3110     if (DelayReached(&info_delay, GameFrameDelay))
3111       if (page < num_pages)
3112         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3113
3114     PlayMenuSoundIfLoop();
3115   }
3116 }
3117
3118 static void DrawInfoScreen_Music(void)
3119 {
3120   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3121
3122   FadeOut(REDRAW_FIELD);
3123
3124   ClearField();
3125   DrawHeadline();
3126
3127   LoadMusicInfo();
3128
3129   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3130
3131   FadeIn(REDRAW_FIELD);
3132 }
3133
3134 void HandleInfoScreen_Music(int button)
3135 {
3136   static struct MusicFileInfo *list = NULL;
3137   int font_title = MENU_INFO_FONT_TITLE;
3138   int font_head  = MENU_INFO_FONT_HEAD;
3139   int font_text  = MENU_INFO_FONT_TEXT;
3140   int font_foot  = MENU_INFO_FONT_FOOT;
3141   int spacing_title = menu.headline1_spacing_info[info_mode];
3142   int spacing_head  = menu.headline2_spacing_info[info_mode];
3143   int ystep_title = getMenuTextStep(spacing_title, font_title);
3144   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3145   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3146   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3147
3148   if (button == MB_MENU_INITIALIZE)
3149   {
3150     list = music_file_info;
3151
3152     if (list == NULL)
3153     {
3154       FadeMenuSoundsAndMusic();
3155
3156       ClearField();
3157       DrawHeadline();
3158
3159       DrawTextSCentered(ystart, font_title,
3160                         "No music info for this level set.");
3161
3162       DrawTextSCentered(ybottom, font_foot,
3163                         "Press any key or button for info menu");
3164
3165       return;
3166     }
3167   }
3168
3169   if (button == MB_MENU_LEAVE)
3170   {
3171     PlaySound(SND_MENU_ITEM_SELECTING);
3172
3173     FadeMenuSoundsAndMusic();
3174
3175     info_mode = INFO_MODE_MAIN;
3176     DrawInfoScreen();
3177
3178     return;
3179   }
3180   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3181   {
3182     if (button != MB_MENU_INITIALIZE)
3183     {
3184       PlaySound(SND_MENU_ITEM_SELECTING);
3185
3186       if (list != NULL)
3187         list = list->next;
3188     }
3189
3190     if (list == NULL)
3191     {
3192       FadeMenuSoundsAndMusic();
3193
3194       info_mode = INFO_MODE_MAIN;
3195       DrawInfoScreen();
3196
3197       return;
3198     }
3199
3200     FadeMenuSoundsAndMusic();
3201
3202     if (list != music_file_info)
3203       FadeSetNextScreen();
3204
3205     if (button != MB_MENU_INITIALIZE)
3206       FadeOut(REDRAW_FIELD);
3207
3208     ClearField();
3209     DrawHeadline();
3210
3211     if (list->is_sound)
3212     {
3213       int sound = list->music;
3214
3215       if (sound_info[sound].loop)
3216         PlaySoundLoop(sound);
3217       else
3218         PlaySound(sound);
3219
3220       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3221     }
3222     else
3223     {
3224       int music = list->music;
3225
3226       if (music_info[music].loop)
3227         PlayMusicLoop(music);
3228       else
3229         PlayMusic(music);
3230
3231       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3232     }
3233
3234     ystart += ystep_title;
3235
3236     if (!strEqual(list->title, UNKNOWN_NAME))
3237     {
3238       if (!strEqual(list->title_header, UNKNOWN_NAME))
3239       {
3240         DrawTextSCentered(ystart, font_head, list->title_header);
3241         ystart += ystep_head;
3242       }
3243
3244       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3245       ystart += ystep_head;
3246     }
3247
3248     if (!strEqual(list->artist, UNKNOWN_NAME))
3249     {
3250       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3251         DrawTextSCentered(ystart, font_head, list->artist_header);
3252       else
3253         DrawTextSCentered(ystart, font_head, "by");
3254
3255       ystart += ystep_head;
3256
3257       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3258       ystart += ystep_head;
3259     }
3260
3261     if (!strEqual(list->album, UNKNOWN_NAME))
3262     {
3263       if (!strEqual(list->album_header, UNKNOWN_NAME))
3264         DrawTextSCentered(ystart, font_head, list->album_header);
3265       else
3266         DrawTextSCentered(ystart, font_head, "from the album");
3267
3268       ystart += ystep_head;
3269
3270       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3271       ystart += ystep_head;
3272     }
3273
3274     if (!strEqual(list->year, UNKNOWN_NAME))
3275     {
3276       if (!strEqual(list->year_header, UNKNOWN_NAME))
3277         DrawTextSCentered(ystart, font_head, list->year_header);
3278       else
3279         DrawTextSCentered(ystart, font_head, "from the year");
3280
3281       ystart += ystep_head;
3282
3283       DrawTextFCentered(ystart, font_text, "%s", list->year);
3284       ystart += ystep_head;
3285     }
3286
3287     DrawTextSCentered(ybottom, FONT_TEXT_4,
3288                       "Press any key or button for next page");
3289
3290     if (button != MB_MENU_INITIALIZE)
3291       FadeIn(REDRAW_FIELD);
3292   }
3293
3294   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3295     PlaySoundLoop(list->music);
3296 }
3297
3298 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3299 {
3300   int font_title = MENU_INFO_FONT_TITLE;
3301   int font_head  = MENU_INFO_FONT_HEAD;
3302   int font_text  = MENU_INFO_FONT_TEXT;
3303   int font_foot  = MENU_INFO_FONT_FOOT;
3304   int spacing_title = menu.headline1_spacing_info[info_mode];
3305   int spacing_head  = menu.headline2_spacing_info[info_mode];
3306   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3307   int spacing_line  = menu.line_spacing_info[info_mode];
3308   int ystep_title = getMenuTextStep(spacing_title, font_title);
3309   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3310   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3311   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3312   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3313   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3314
3315   ClearField();
3316   DrawHeadline();
3317
3318   DrawTextSCentered(ystart, font_title, "Credits:");
3319   ystart += ystep_title;
3320
3321   if (screen_nr == 0)
3322   {
3323     DrawTextSCentered(ystart, font_head,
3324                       "Special thanks to");
3325     ystart += ystep_head;
3326     DrawTextSCentered(ystart, font_text,
3327                       "Peter Liepa");
3328     ystart += ystep_head;
3329     DrawTextSCentered(ystart, font_head,
3330                       "for creating");
3331     ystart += ystep_head;
3332     DrawTextSCentered(ystart, font_text,
3333                       "\"Boulder Dash\"");
3334     ystart += ystep_head;
3335     DrawTextSCentered(ystart, font_head,
3336                       "in the year");
3337     ystart += ystep_head;
3338     DrawTextSCentered(ystart, font_text,
3339                       "1984");
3340     ystart += ystep_head;
3341     DrawTextSCentered(ystart, font_head,
3342                       "published by");
3343     ystart += ystep_head;
3344     DrawTextSCentered(ystart, font_text,
3345                       "First Star Software");
3346   }
3347   else if (screen_nr == 1)
3348   {
3349     DrawTextSCentered(ystart, font_head,
3350                       "Special thanks to");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_text,
3353                       "Klaus Heinz & Volker Wertich");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_head,
3356                       "for creating");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_text,
3359                       "\"Emerald Mine\"");
3360     ystart += ystep_head;
3361     DrawTextSCentered(ystart, font_head,
3362                       "in the year");
3363     ystart += ystep_head;
3364     DrawTextSCentered(ystart, font_text,
3365                       "1987");
3366     ystart += ystep_head;
3367     DrawTextSCentered(ystart, font_head,
3368                       "published by");
3369     ystart += ystep_head;
3370     DrawTextSCentered(ystart, font_text,
3371                       "Kingsoft");
3372   }
3373   else if (screen_nr == 2)
3374   {
3375     DrawTextSCentered(ystart, font_head,
3376                       "Special thanks to");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_text,
3379                       "Michael Stopp & Philip Jespersen");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_head,
3382                       "for creating");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_text,
3385                       "\"Supaplex\"");
3386     ystart += ystep_head;
3387     DrawTextSCentered(ystart, font_head,
3388                       "in the year");
3389     ystart += ystep_head;
3390     DrawTextSCentered(ystart, font_text,
3391                       "1991");
3392     ystart += ystep_head;
3393     DrawTextSCentered(ystart, font_head,
3394                       "published by");
3395     ystart += ystep_head;
3396     DrawTextSCentered(ystart, font_text,
3397                       "Digital Integration");
3398   }
3399   else if (screen_nr == 3)
3400   {
3401     DrawTextSCentered(ystart, font_head,
3402                       "Special thanks to");
3403     ystart += ystep_head;
3404     DrawTextSCentered(ystart, font_text,
3405                       "Hiroyuki Imabayashi");
3406     ystart += ystep_head;
3407     DrawTextSCentered(ystart, font_head,
3408                       "for creating");
3409     ystart += ystep_head;
3410     DrawTextSCentered(ystart, font_text,
3411                       "\"Sokoban\"");
3412     ystart += ystep_head;
3413     DrawTextSCentered(ystart, font_head,
3414                       "in the year");
3415     ystart += ystep_head;
3416     DrawTextSCentered(ystart, font_text,
3417                       "1982");
3418     ystart += ystep_head;
3419     DrawTextSCentered(ystart, font_head,
3420                       "published by");
3421     ystart += ystep_head;
3422     DrawTextSCentered(ystart, font_text,
3423                       "Thinking Rabbit");
3424   }
3425   else if (screen_nr == 4)
3426   {
3427     DrawTextSCentered(ystart, font_head,
3428                       "Special thanks to");
3429     ystart += ystep_head;
3430     DrawTextSCentered(ystart, font_text,
3431                       "Alan Bond");
3432     ystart += ystep_head;
3433     DrawTextSCentered(ystart, font_head,
3434                       "and");
3435     ystart += ystep_head;
3436     DrawTextSCentered(ystart, font_text,
3437                       "J\xfcrgen Bonhagen");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_head,
3440                       "for the continuous creation");
3441     ystart += ystep_line;
3442     DrawTextSCentered(ystart, font_head,
3443                       "of outstanding level sets");
3444   }
3445   else if (screen_nr == 5)
3446   {
3447     DrawTextSCentered(ystart, font_head,
3448                       "Thanks to");
3449     ystart += ystep_head;
3450     DrawTextSCentered(ystart, font_text,
3451                       "Peter Elzner");
3452     ystart += ystep_head;
3453     DrawTextSCentered(ystart, font_head,
3454                       "for ideas and inspiration by");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_text,
3457                       "Diamond Caves");
3458     ystart += ystep_para;
3459
3460     DrawTextSCentered(ystart, font_head,
3461                       "Thanks to");
3462     ystart += ystep_head;
3463     DrawTextSCentered(ystart, font_text,
3464                       "Steffest");
3465     ystart += ystep_head;
3466     DrawTextSCentered(ystart, font_head,
3467                       "for ideas and inspiration by");
3468     ystart += ystep_head;
3469     DrawTextSCentered(ystart, font_text,
3470                       "DX-Boulderdash");
3471   }
3472   else if (screen_nr == 6)
3473   {
3474     DrawTextSCentered(ystart, font_head,
3475                       "Thanks to");
3476     ystart += ystep_head;
3477     DrawTextSCentered(ystart, font_text,
3478                       "David Tritscher");
3479     ystart += ystep_head;
3480     DrawTextSCentered(ystart, font_head,
3481                       "for the code base used for the");
3482     ystart += ystep_line;
3483     DrawTextSCentered(ystart, font_head,
3484                       "native Emerald Mine engine");
3485   }
3486   else if (screen_nr == 7)
3487   {
3488     DrawTextSCentered(ystart, font_head,
3489                       "Thanks to");
3490     ystart += ystep_head;
3491     DrawTextSCentered(ystart, font_text,
3492                       "Guido Schulz");
3493     ystart += ystep_head;
3494     DrawTextSCentered(ystart, font_head,
3495                       "for the initial DOS port");
3496     ystart += ystep_para;
3497
3498     DrawTextSCentered(ystart, font_head,
3499                       "Thanks to");
3500     ystart += ystep_head;
3501     DrawTextSCentered(ystart, font_text,
3502                       "Karl H\xf6rnell");
3503     ystart += ystep_head;
3504     DrawTextSCentered(ystart, font_head,
3505                       "for some additional toons");
3506   }
3507   else if (screen_nr == 8)
3508   {
3509     DrawTextSCentered(ystart, font_head,
3510                       "And not to forget:");
3511     ystart += ystep_head;
3512     DrawTextSCentered(ystart, font_head,
3513                       "Many thanks to");
3514     ystart += ystep_head;
3515     DrawTextSCentered(ystart, font_text,
3516                       "All those who contributed");
3517     ystart += ystep_line;
3518     DrawTextSCentered(ystart, font_text,
3519                       "levels to this game");
3520     ystart += ystep_line;
3521     DrawTextSCentered(ystart, font_text,
3522                       "since 1995");
3523   }
3524
3525   DrawTextSCentered(ybottom, font_foot,
3526                     "Press any key or button for next page");
3527 }
3528
3529 static void DrawInfoScreen_Credits(void)
3530 {
3531   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3532
3533   FadeMenuSoundsAndMusic();
3534
3535   FadeOut(REDRAW_FIELD);
3536
3537   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3538
3539   FadeIn(REDRAW_FIELD);
3540 }
3541
3542 void HandleInfoScreen_Credits(int button)
3543 {
3544   static int screen_nr = 0;
3545   int num_screens = 9;
3546
3547   if (button == MB_MENU_INITIALIZE)
3548   {
3549     screen_nr = 0;
3550
3551     // DrawInfoScreen_CreditsScreen(screen_nr);
3552   }
3553
3554   if (button == MB_MENU_LEAVE)
3555   {
3556     PlaySound(SND_MENU_ITEM_SELECTING);
3557
3558     info_mode = INFO_MODE_MAIN;
3559     DrawInfoScreen();
3560
3561     return;
3562   }
3563   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3564   {
3565     if (button != MB_MENU_INITIALIZE)
3566     {
3567       PlaySound(SND_MENU_ITEM_SELECTING);
3568
3569       screen_nr++;
3570     }
3571
3572     if (screen_nr >= num_screens)
3573     {
3574       FadeMenuSoundsAndMusic();
3575
3576       info_mode = INFO_MODE_MAIN;
3577       DrawInfoScreen();
3578
3579       return;
3580     }
3581
3582     if (screen_nr > 0)
3583       FadeSetNextScreen();
3584
3585     if (button != MB_MENU_INITIALIZE)
3586       FadeOut(REDRAW_FIELD);
3587
3588     DrawInfoScreen_CreditsScreen(screen_nr);
3589
3590     if (button != MB_MENU_INITIALIZE)
3591       FadeIn(REDRAW_FIELD);
3592   }
3593   else
3594   {
3595     PlayMenuSoundIfLoop();
3596   }
3597 }
3598
3599 static void DrawInfoScreen_Program(void)
3600 {
3601   int font_title = MENU_INFO_FONT_TITLE;
3602   int font_head  = MENU_INFO_FONT_HEAD;
3603   int font_text  = MENU_INFO_FONT_TEXT;
3604   int font_foot  = MENU_INFO_FONT_FOOT;
3605   int spacing_title = menu.headline1_spacing_info[info_mode];
3606   int spacing_head  = menu.headline2_spacing_info[info_mode];
3607   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3608   int spacing_line  = menu.line_spacing_info[info_mode];
3609   int ystep_title = getMenuTextStep(spacing_title, font_title);
3610   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3611   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3612   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3613   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3614   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3615
3616   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3617
3618   FadeOut(REDRAW_FIELD);
3619
3620   ClearField();
3621   DrawHeadline();
3622
3623   DrawTextSCentered(ystart, font_title, "Program Information:");
3624   ystart += ystep_title;
3625
3626   DrawTextSCentered(ystart, font_head,
3627                     "This game is Freeware!");
3628   ystart += ystep_head;
3629   DrawTextSCentered(ystart, font_head,
3630                     "If you like it, send e-mail to:");
3631   ystart += ystep_head;
3632   DrawTextSCentered(ystart, font_text,
3633                     setup.internal.program_email);
3634   ystart += ystep_para;
3635
3636   DrawTextSCentered(ystart, font_head,
3637                     "More information and levels:");
3638   ystart += ystep_head;
3639   DrawTextSCentered(ystart, font_text,
3640                     setup.internal.program_website);
3641   ystart += ystep_para;
3642
3643   DrawTextSCentered(ystart, font_head,
3644                     "If you have created new levels,");
3645   ystart += ystep_line;
3646   DrawTextSCentered(ystart, font_head,
3647                     "send them to me to include them!");
3648   ystart += ystep_head;
3649   DrawTextSCentered(ystart, font_head,
3650                     ":-)");
3651
3652   DrawTextSCentered(ybottom, font_foot,
3653                     "Press any key or button for info menu");
3654
3655   FadeIn(REDRAW_FIELD);
3656 }
3657
3658 void HandleInfoScreen_Program(int button)
3659 {
3660   if (button == MB_MENU_LEAVE)
3661   {
3662     PlaySound(SND_MENU_ITEM_SELECTING);
3663
3664     info_mode = INFO_MODE_MAIN;
3665     DrawInfoScreen();
3666
3667     return;
3668   }
3669   else if (button == MB_MENU_CHOICE)
3670   {
3671     PlaySound(SND_MENU_ITEM_SELECTING);
3672
3673     FadeMenuSoundsAndMusic();
3674
3675     info_mode = INFO_MODE_MAIN;
3676     DrawInfoScreen();
3677   }
3678   else
3679   {
3680     PlayMenuSoundIfLoop();
3681   }
3682 }
3683
3684 static void DrawInfoScreen_Version(void)
3685 {
3686   int font_title = MENU_INFO_FONT_TITLE;
3687   int font_head  = MENU_INFO_FONT_HEAD;
3688   int font_text  = MENU_INFO_FONT_TEXT;
3689   int font_foot  = MENU_INFO_FONT_FOOT;
3690   int spacing_title = menu.headline1_spacing_info[info_mode];
3691   int spacing_head  = menu.headline2_spacing_info[info_mode];
3692   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3693   int spacing_line  = menu.line_spacing_info[info_mode];
3694   int xstep = getFontWidth(font_text);
3695   int ystep_title = getMenuTextStep(spacing_title, font_title);
3696   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3697   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3698   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3699   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3700   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3701   int xstart1 = mSX - SX + 2 * xstep;
3702   int xstart2 = mSX - SX + 18 * xstep;
3703   int xstart3 = mSX - SX + 28 * xstep;
3704   SDL_version sdl_version_compiled;
3705   const SDL_version *sdl_version_linked;
3706   int driver_name_len = 10;
3707   SDL_version sdl_version_linked_ext;
3708   const char *driver_name = NULL;
3709
3710   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3711
3712   FadeOut(REDRAW_FIELD);
3713
3714   ClearField();
3715   DrawHeadline();
3716
3717   DrawTextSCentered(ystart, font_title, "Version Information:");
3718   ystart += ystep_title;
3719
3720   DrawTextF(xstart1, ystart, font_head, "Name");
3721   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3722   ystart += ystep_line;
3723
3724   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3725   {
3726     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3727     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3728     ystart += ystep_line;
3729
3730     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3731     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3732     ystart += ystep_line;
3733   }
3734   else
3735   {
3736     DrawTextF(xstart1, ystart, font_head, "Version");
3737     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3738     ystart += ystep_line;
3739   }
3740
3741   DrawTextF(xstart1, ystart, font_head, "Platform");
3742   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3743             PLATFORM_STRING,
3744             PLATFORM_XX_BIT_STRING);
3745   ystart += ystep_line;
3746
3747   DrawTextF(xstart1, ystart, font_head, "Target");
3748   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3749   ystart += ystep_line;
3750
3751   DrawTextF(xstart1, ystart, font_head, "Source date");
3752   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3753   ystart += ystep_line;
3754
3755   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3756   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3757   ystart += ystep_para;
3758
3759   DrawTextF(xstart1, ystart, font_head, "Library");
3760   DrawTextF(xstart2, ystart, font_head, "compiled");
3761   DrawTextF(xstart3, ystart, font_head, "linked");
3762   ystart += ystep_head;
3763
3764   SDL_VERSION(&sdl_version_compiled);
3765   SDL_GetVersion(&sdl_version_linked_ext);
3766   sdl_version_linked = &sdl_version_linked_ext;
3767
3768   DrawTextF(xstart1, ystart, font_text, "SDL");
3769   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3770             sdl_version_compiled.major,
3771             sdl_version_compiled.minor,
3772             sdl_version_compiled.patch);
3773   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3774             sdl_version_linked->major,
3775             sdl_version_linked->minor,
3776             sdl_version_linked->patch);
3777   ystart += ystep_line;
3778
3779   SDL_IMAGE_VERSION(&sdl_version_compiled);
3780   sdl_version_linked = IMG_Linked_Version();
3781
3782   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3783   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3784             sdl_version_compiled.major,
3785             sdl_version_compiled.minor,
3786             sdl_version_compiled.patch);
3787   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3788             sdl_version_linked->major,
3789             sdl_version_linked->minor,
3790             sdl_version_linked->patch);
3791   ystart += ystep_line;
3792
3793   SDL_MIXER_VERSION(&sdl_version_compiled);
3794   sdl_version_linked = Mix_Linked_Version();
3795
3796   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3797   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3798             sdl_version_compiled.major,
3799             sdl_version_compiled.minor,
3800             sdl_version_compiled.patch);
3801   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3802             sdl_version_linked->major,
3803             sdl_version_linked->minor,
3804             sdl_version_linked->patch);
3805   ystart += ystep_line;
3806
3807   SDL_NET_VERSION(&sdl_version_compiled);
3808   sdl_version_linked = SDLNet_Linked_Version();
3809
3810   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3811   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3812             sdl_version_compiled.major,
3813             sdl_version_compiled.minor,
3814             sdl_version_compiled.patch);
3815   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3816             sdl_version_linked->major,
3817             sdl_version_linked->minor,
3818             sdl_version_linked->patch);
3819   ystart += ystep_para;
3820
3821   DrawTextF(xstart1, ystart, font_head, "Driver");
3822   DrawTextF(xstart2, ystart, font_head, "Requested");
3823   DrawTextF(xstart3, ystart, font_head, "Used");
3824   ystart += ystep_head;
3825
3826   driver_name =
3827     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3828
3829   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3830   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3831   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3832   ystart += ystep_line;
3833
3834   driver_name =
3835     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3836
3837   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3838   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3839   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3840   ystart += ystep_line;
3841
3842   driver_name =
3843     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3844
3845   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3846   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3847   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3848
3849   DrawTextSCentered(ybottom, font_foot,
3850                     "Press any key or button for info menu");
3851
3852   FadeIn(REDRAW_FIELD);
3853 }
3854
3855 void HandleInfoScreen_Version(int button)
3856 {
3857   if (button == MB_MENU_LEAVE)
3858   {
3859     PlaySound(SND_MENU_ITEM_SELECTING);
3860
3861     info_mode = INFO_MODE_MAIN;
3862     DrawInfoScreen();
3863
3864     return;
3865   }
3866   else if (button == MB_MENU_CHOICE)
3867   {
3868     PlaySound(SND_MENU_ITEM_SELECTING);
3869
3870     FadeMenuSoundsAndMusic();
3871
3872     info_mode = INFO_MODE_MAIN;
3873     DrawInfoScreen();
3874   }
3875   else
3876   {
3877     PlayMenuSoundIfLoop();
3878   }
3879 }
3880
3881 static void DrawInfoScreen_LevelSet(void)
3882 {
3883   struct TitleMessageInfo *tmi = &readme;
3884   char *filename = getLevelSetInfoFilename();
3885   char *title = "Level Set Information:";
3886   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3887   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3888
3889   if (filename == NULL)
3890   {
3891     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3892
3893     return;
3894   }
3895
3896   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3897
3898   FadeOut(REDRAW_FIELD);
3899
3900   ClearField();
3901   DrawHeadline();
3902
3903   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3904
3905   // if x position set to "-1", automatically determine by playfield width
3906   if (tmi->x == -1)
3907     tmi->x = SXSIZE / 2;
3908
3909   // if y position set to "-1", use static default value
3910   if (tmi->y == -1)
3911     tmi->y = 150;
3912
3913   // if width set to "-1", automatically determine by playfield width
3914   if (tmi->width == -1)
3915     tmi->width = SXSIZE - 2 * TILEX;
3916
3917   // if height set to "-1", automatically determine by playfield height
3918   if (tmi->height == -1)
3919     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3920
3921   // if chars set to "-1", automatically determine by text and font width
3922   if (tmi->chars == -1)
3923     tmi->chars = tmi->width / getFontWidth(tmi->font);
3924   else
3925     tmi->width = tmi->chars * getFontWidth(tmi->font);
3926
3927   // if lines set to "-1", automatically determine by text and font height
3928   if (tmi->lines == -1)
3929     tmi->lines = tmi->height / getFontHeight(tmi->font);
3930   else
3931     tmi->height = tmi->lines * getFontHeight(tmi->font);
3932
3933   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3934                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3935                tmi->autowrap, tmi->centered, tmi->parse_comments);
3936
3937   DrawTextSCentered(ybottom, FONT_TEXT_4,
3938                     "Press any key or button for info menu");
3939
3940   FadeIn(REDRAW_FIELD);
3941 }
3942
3943 static void HandleInfoScreen_LevelSet(int button)
3944 {
3945   if (button == MB_MENU_LEAVE)
3946   {
3947     PlaySound(SND_MENU_ITEM_SELECTING);
3948
3949     info_mode = INFO_MODE_MAIN;
3950     DrawInfoScreen();
3951
3952     return;
3953   }
3954   else if (button == MB_MENU_CHOICE)
3955   {
3956     PlaySound(SND_MENU_ITEM_SELECTING);
3957
3958     FadeMenuSoundsAndMusic();
3959
3960     info_mode = INFO_MODE_MAIN;
3961     DrawInfoScreen();
3962   }
3963   else
3964   {
3965     PlayMenuSoundIfLoop();
3966   }
3967 }
3968
3969 static void DrawInfoScreen(void)
3970 {
3971   if (info_mode == INFO_MODE_TITLE)
3972     DrawInfoScreen_TitleScreen();
3973   else if (info_mode == INFO_MODE_ELEMENTS)
3974     DrawInfoScreen_Elements();
3975   else if (info_mode == INFO_MODE_MUSIC)
3976     DrawInfoScreen_Music();
3977   else if (info_mode == INFO_MODE_CREDITS)
3978     DrawInfoScreen_Credits();
3979   else if (info_mode == INFO_MODE_PROGRAM)
3980     DrawInfoScreen_Program();
3981   else if (info_mode == INFO_MODE_VERSION)
3982     DrawInfoScreen_Version();
3983   else if (info_mode == INFO_MODE_LEVELSET)
3984     DrawInfoScreen_LevelSet();
3985   else
3986     DrawInfoScreen_Main();
3987
3988   if (info_mode != INFO_MODE_MAIN &&
3989       info_mode != INFO_MODE_TITLE &&
3990       info_mode != INFO_MODE_MUSIC)
3991     PlayMenuSoundsAndMusic();
3992 }
3993
3994 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3995 {
3996   if (info_mode == INFO_MODE_TITLE)
3997     HandleInfoScreen_TitleScreen(button);
3998   else if (info_mode == INFO_MODE_ELEMENTS)
3999     HandleInfoScreen_Elements(button);
4000   else if (info_mode == INFO_MODE_MUSIC)
4001     HandleInfoScreen_Music(button);
4002   else if (info_mode == INFO_MODE_CREDITS)
4003     HandleInfoScreen_Credits(button);
4004   else if (info_mode == INFO_MODE_PROGRAM)
4005     HandleInfoScreen_Program(button);
4006   else if (info_mode == INFO_MODE_VERSION)
4007     HandleInfoScreen_Version(button);
4008   else if (info_mode == INFO_MODE_LEVELSET)
4009     HandleInfoScreen_LevelSet(button);
4010   else
4011     HandleInfoScreen_Main(mx, my, dx, dy, button);
4012 }
4013
4014
4015 // ============================================================================
4016 // type name functions
4017 // ============================================================================
4018
4019 static TreeInfo *type_name_node = NULL;
4020 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4021 static int type_name_nr = 0;
4022
4023 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4024                               boolean active)
4025 {
4026   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4027   int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4028   int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4029   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4030   int font_width = getFontWidth(font_nr);
4031
4032   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4033
4034   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4035
4036   pos->width = strlen(text) * font_width;
4037   sx = mSX + ALIGNED_TEXT_XPOS(pos);
4038
4039   DrawText(sx, sy, text, font_nr);
4040 }
4041
4042 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4043 {
4044   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4045
4046   *pos = *mci->pos_input;
4047
4048   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4049   {
4050     TreeInfo *ti = player_name_current;
4051     int first_entry = ti->cl_first;
4052     int entry_pos = first_entry + ti->cl_cursor;
4053     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4054     int xpos = MENU_SCREEN_START_XPOS;
4055     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4056     int font_width = getFontWidth(pos->font);
4057
4058     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4059     type_name_nr = entry_pos;
4060
4061     strcpy(name, type_name_node->name);
4062
4063     pos->x = xpos * font_width;
4064     pos->y = ypos * font_width;
4065     pos->width = MAX_PLAYER_NAME_LEN * font_width;
4066   }
4067   else
4068   {
4069     type_name_nr = user.nr;
4070
4071     strcpy(name, setup.player_name);
4072   }
4073
4074   strcpy(type_name_last, name);
4075
4076   if (strEqual(name, EMPTY_PLAYER_NAME))
4077     strcpy(name, "");
4078
4079   *xpos = strlen(name);
4080 }
4081
4082 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4083 {
4084   // change name of edited user in global list of user names
4085   setString(&global.user_names[type_name_nr], name);
4086
4087   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4088   {
4089     TreeInfo *node = type_name_node;
4090
4091     // change name of edited user in local menu tree structure
4092     setString(&node->name, name);
4093     setString(&node->name_sorting, name);
4094
4095     node->color = (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4096     pos->font = (node->color == FC_RED ? FONT_INPUT_1 : FONT_VALUE_OLD);
4097   }
4098 }
4099
4100 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4101                               boolean changed)
4102 {
4103   boolean reset_setup = strEqual(name, "");
4104   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4105
4106   if (!changed)
4107     strcpy(name, type_name_last);
4108
4109   if (strEqual(name, ""))
4110     strcpy(name, EMPTY_PLAYER_NAME);
4111
4112   // if player name not changed, no further action required
4113   if (strEqual(name, type_name_last))
4114     return;
4115
4116   setTypeNameValues_Name(name, pos);
4117
4118   int last_user_nr = user.nr;
4119
4120   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4121   {
4122     // save setup of currently active user (may differ from edited user)
4123     SaveSetup();
4124
4125     // temporarily change active user to edited user
4126     user.nr = type_name_nr;
4127
4128     // load setup of edited user
4129     LoadSetup();
4130   }
4131
4132   // change name of edited user in setup structure
4133   strcpy(setup.player_name, name);
4134
4135   // save setup of edited user
4136   SaveSetup();
4137
4138   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4139   {
4140     drawTypeNameText(name, pos, FALSE);
4141
4142     if (reset_setup)
4143     {
4144       if (Request("Reset setup values for this player?", REQ_ASK))
4145       {
4146         // remove setup config file
4147         unlink(getSetupFilename());
4148
4149         // set player name to default player name
4150         LoadSetup();
4151
4152         // update player name used by name typing functions
4153         strcpy(name, setup.player_name);
4154
4155         setTypeNameValues_Name(name, pos);
4156
4157         Request("Setup values reset to default values!", REQ_CONFIRM);
4158       }
4159     }
4160     else if (remove_user && type_name_nr != 0)
4161     {
4162       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4163       {
4164         char *user_dir = getUserGameDataDir();
4165         char *user_dir_removed =
4166           getStringCat3WithSeparator(user_dir, "REMOVED",
4167                                      getCurrentTimestamp(), ".");
4168
4169         if (rename(user_dir, user_dir_removed) == 0)
4170           Request("Player settings and tapes removed!", REQ_CONFIRM);
4171         else
4172           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4173
4174         checked_free(user_dir_removed);
4175       }
4176     }
4177
4178     // restore currently active user
4179     user.nr = last_user_nr;
4180
4181     // restore setup of currently active user
4182     LoadSetup();
4183   }
4184 }
4185
4186 static void HandleTypeNameExt(boolean initialize, Key key)
4187 {
4188   static struct TextPosInfo pos_name = { 0 };
4189   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4190   static int xpos = 0;
4191   struct TextPosInfo *pos = &pos_name;
4192   char key_char = getValidConfigValueChar(getCharFromKey(key));
4193   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4194   boolean active = TRUE;
4195
4196   if (initialize)
4197   {
4198     getTypeNameValues(name, pos, &xpos);
4199
4200     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4201     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4202
4203     StartTextInput(sx, sy, pos->width, pos->height);
4204   }
4205   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4206   {
4207     name[xpos] = key_char;
4208     name[xpos + 1] = 0;
4209
4210     xpos++;
4211   }
4212   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4213   {
4214     xpos--;
4215
4216     name[xpos] = 0;
4217   }
4218   else if (key == KSYM_Return)
4219   {
4220     setTypeNameValues(name, pos, TRUE);
4221
4222     active = FALSE;
4223   }
4224   else if (key == KSYM_Escape)
4225   {
4226     setTypeNameValues(name, pos, FALSE);
4227
4228     active = FALSE;
4229   }
4230
4231   drawTypeNameText(name, pos, active);
4232
4233   if (!active)
4234   {
4235     StopTextInput();
4236
4237     SetGameStatus(game_status_last_screen);
4238
4239     if (game_status == GAME_MODE_MAIN)
4240       InitializeMainControls();
4241   }
4242 }
4243
4244 static void DrawTypeName(void)
4245 {
4246   HandleTypeNameExt(TRUE, 0);
4247 }
4248
4249 void HandleTypeName(Key key)
4250 {
4251   HandleTypeNameExt(FALSE, key);
4252 }
4253
4254
4255 // ============================================================================
4256 // tree menu functions
4257 // ============================================================================
4258
4259 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4260 {
4261   if (game_status != GAME_MODE_SETUP ||
4262       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4263     return 0;
4264
4265   int max_text_size = 0;
4266   TreeInfo *node;
4267
4268   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4269     max_text_size = MAX(max_text_size, strlen(node->name));
4270
4271   int num_entries = numTreeInfoInGroup(ti);
4272   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4273   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4274   int button_width = SC_MENUBUTTON_XSIZE;
4275   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4276   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4277   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4278   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4279   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4280   int align_xoffset = MAX(0, align_xoffset_raw);
4281
4282   return align_xoffset;
4283 }
4284
4285 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4286 {
4287   if (game_status != GAME_MODE_SETUP ||
4288       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4289     return 0;
4290
4291   int num_entries = numTreeInfoInGroup(ti);
4292   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4293   int font_height = getFontHeight(FONT_TEXT_1);
4294   int text_height = font_height * num_page_entries;
4295   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4296   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4297   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4298   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4299   int align_yoffset = MAX(0, align_yoffset_raw);
4300
4301   return align_yoffset;
4302 }
4303
4304 static void DrawChooseTree(TreeInfo **ti_ptr)
4305 {
4306   int fade_mask = REDRAW_FIELD;
4307
4308   if (CheckFadeAll())
4309     fade_mask = REDRAW_ALL;
4310
4311   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4312   {
4313     SetGameStatus(GAME_MODE_MAIN);
4314
4315     DrawMainMenu();
4316
4317     return;
4318   }
4319
4320   UnmapAllGadgets();
4321
4322   FreeScreenGadgets();
4323   CreateScreenGadgets();
4324
4325   FadeOut(fade_mask);
4326
4327   // needed if different viewport properties defined for choosing level (set)
4328   ChangeViewportPropertiesIfNeeded();
4329
4330   if (game_status == GAME_MODE_NAMES)
4331     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4332   else if (game_status == GAME_MODE_LEVELNR)
4333     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4334   else if (game_status == GAME_MODE_LEVELS)
4335     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4336
4337   ClearField();
4338
4339   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4340
4341   MapScreenTreeGadgets(*ti_ptr);
4342   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4343
4344   DrawMaskedBorder(fade_mask);
4345
4346   FadeIn(fade_mask);
4347 }
4348
4349 static void drawChooseTreeList(int first_entry, int num_page_entries,
4350                                TreeInfo *ti)
4351 {
4352   int num_entries = numTreeInfoInGroup(ti);
4353   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4354   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4355   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4356   int font_nr = FONT_TEXT_1;
4357   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4358   int i;
4359   char *title_string = NULL;
4360   int yoffset_sets = MENU_TITLE1_YPOS;
4361   int yoffset_setup = 16;
4362   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4363                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4364
4365   title_string = ti->infotext;
4366
4367   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4368
4369   clearMenuListArea();
4370
4371   for (i = 0; i < num_page_entries; i++)
4372   {
4373     TreeInfo *node, *node_first;
4374     int entry_pos = first_entry + i;
4375     int xpos = MENU_SCREEN_START_XPOS;
4376     int ypos = MENU_SCREEN_START_YPOS + i;
4377     int startx = amSX + xpos * 32;
4378     int starty = amSY + ypos * 32;
4379     int startx_text = startx + font_xoffset;
4380     int endx_text = amSX + screen_width;
4381     int max_text_size = endx_text - startx_text;
4382     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4383     char buffer[max_buffer_len + 1];
4384
4385     node_first = getTreeInfoFirstGroupEntry(ti);
4386     node = getTreeInfoFromPos(node_first, entry_pos);
4387
4388     strncpy(buffer, node->name, max_buffer_len);
4389     buffer[max_buffer_len] = '\0';
4390
4391     DrawText(startx, starty, buffer, font_nr + node->color);
4392
4393     if (node->parent_link)
4394       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4395     else if (node->level_group)
4396       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4397     else
4398       initCursor(i, IMG_MENU_BUTTON);
4399
4400     if (game_status == GAME_MODE_NAMES)
4401       drawChooseTreeEdit(i, FALSE);
4402   }
4403
4404   redraw_mask |= REDRAW_FIELD;
4405 }
4406
4407 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4408 {
4409   TreeInfo *node, *node_first;
4410   int x, last_redraw_mask = redraw_mask;
4411   int ypos = MENU_TITLE2_YPOS;
4412   int font_nr = FONT_TITLE_2;
4413
4414   if (ti->type == TREE_TYPE_LEVEL_NR)
4415     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4416
4417   if (ti->type != TREE_TYPE_LEVEL_DIR)
4418     return;
4419
4420   node_first = getTreeInfoFirstGroupEntry(ti);
4421   node = getTreeInfoFromPos(node_first, entry_pos);
4422
4423   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4424
4425   if (node->parent_link)
4426     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4427                       node->node_parent->name);
4428   else if (node->level_group)
4429     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4430                       node->name);
4431   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4432     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4433                       node->levels, (node->levels > 1 ? "levels" : "level"),
4434                       node->class_desc);
4435
4436   // let BackToFront() redraw only what is needed
4437   redraw_mask = last_redraw_mask;
4438   for (x = 0; x < SCR_FIELDX; x++)
4439     MarkTileDirty(x, 1);
4440 }
4441
4442 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4443                              TreeInfo **ti_ptr)
4444 {
4445   TreeInfo *ti = *ti_ptr;
4446   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4447   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4448   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4449   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4450   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4451   int x = 0;
4452   int y = ti->cl_cursor;
4453   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4454   int num_entries = numTreeInfoInGroup(ti);
4455   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4456   boolean position_set_by_scrollbar = (dx == 999);
4457
4458   if (button == MB_MENU_INITIALIZE)
4459   {
4460     int num_entries = numTreeInfoInGroup(ti);
4461     int entry_pos = getPosFromTreeInfo(ti);
4462
4463     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4464     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4465
4466     if (ti->cl_first == -1)
4467     {
4468       // only on initialization
4469       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4470       ti->cl_cursor = entry_pos - ti->cl_first;
4471     }
4472     else if (ti->cl_cursor >= num_page_entries ||
4473              (num_entries > num_page_entries &&
4474               num_entries - ti->cl_first < num_page_entries))
4475     {
4476       // only after change of list size (by custom graphic configuration)
4477       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4478       ti->cl_cursor = entry_pos - ti->cl_first;
4479     }
4480
4481     if (position_set_by_scrollbar)
4482       ti->cl_first = dy;
4483     else
4484       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4485                                 ti->cl_first, ti);
4486
4487     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4488     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4489     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4490
4491     return;
4492   }
4493   else if (button == MB_MENU_LEAVE)
4494   {
4495     FadeSetLeaveMenu();
4496
4497     PlaySound(SND_MENU_ITEM_SELECTING);
4498
4499     if (ti->node_parent)
4500     {
4501       *ti_ptr = ti->node_parent;
4502       DrawChooseTree(ti_ptr);
4503     }
4504     else if (game_status == GAME_MODE_SETUP)
4505     {
4506       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4507           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4508           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4509         execSetupGame();
4510       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4511                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4512                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4513                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4514         execSetupGraphics();
4515       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4516                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4517                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4518         execSetupSound();
4519       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4520                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4521                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4522                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4523                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4524                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4525                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4526                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4527         execSetupTouch();
4528       else
4529         execSetupArtwork();
4530     }
4531     else
4532     {
4533       if (game_status == GAME_MODE_LEVELNR)
4534       {
4535         int new_level_nr = atoi(level_number_current->identifier);
4536
4537         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4538       }
4539
4540       SetGameStatus(GAME_MODE_MAIN);
4541
4542       DrawMainMenu();
4543     }
4544
4545     return;
4546   }
4547
4548   if (mx || my)         // mouse input
4549   {
4550     x = (mx - amSX) / 32;
4551     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4552
4553     if (game_status == GAME_MODE_NAMES)
4554       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4555   }
4556   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4557   {
4558     // move cursor instead of scrolling when already at start/end of list
4559     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4560       dy = -1;
4561     else if (dy == +1 * SCROLL_LINE &&
4562              ti->cl_first + num_page_entries == num_entries)
4563       dy = 1;
4564
4565     // handle scrolling screen one line or page
4566     if (ti->cl_cursor + dy < 0 ||
4567         ti->cl_cursor + dy > num_page_entries - 1)
4568     {
4569       boolean redraw = FALSE;
4570
4571       if (ABS(dy) == SCROLL_PAGE)
4572         step = num_page_entries - 1;
4573
4574       if (dy < 0 && ti->cl_first > 0)
4575       {
4576         // scroll page/line up
4577
4578         ti->cl_first -= step;
4579         if (ti->cl_first < 0)
4580           ti->cl_first = 0;
4581
4582         redraw = TRUE;
4583       }
4584       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4585       {
4586         // scroll page/line down
4587
4588         ti->cl_first += step;
4589         if (ti->cl_first + num_page_entries > num_entries)
4590           ti->cl_first = MAX(0, num_entries - num_page_entries);
4591
4592         redraw = TRUE;
4593       }
4594
4595       if (redraw)
4596       {
4597         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4598         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4599         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4600
4601         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4602                                   ti->cl_first, ti);
4603       }
4604
4605       return;
4606     }
4607
4608     // handle moving cursor one line
4609     y = ti->cl_cursor + dy;
4610   }
4611
4612   if (dx == 1)
4613   {
4614     TreeInfo *node_first, *node_cursor;
4615     int entry_pos = ti->cl_first + y;
4616
4617     node_first = getTreeInfoFirstGroupEntry(ti);
4618     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4619
4620     if (node_cursor->node_group)
4621     {
4622       FadeSetEnterMenu();
4623
4624       PlaySound(SND_MENU_ITEM_SELECTING);
4625
4626       node_cursor->cl_first = ti->cl_first;
4627       node_cursor->cl_cursor = ti->cl_cursor;
4628       *ti_ptr = node_cursor->node_group;
4629       DrawChooseTree(ti_ptr);
4630
4631       return;
4632     }
4633   }
4634   else if (dx == -1 && ti->node_parent)
4635   {
4636     FadeSetLeaveMenu();
4637
4638     PlaySound(SND_MENU_ITEM_SELECTING);
4639
4640     *ti_ptr = ti->node_parent;
4641     DrawChooseTree(ti_ptr);
4642
4643     return;
4644   }
4645
4646   if (!anyScrollbarGadgetActive() &&
4647       IN_VIS_MENU(x, y) &&
4648       mx < mx_right_border &&
4649       y >= 0 && y < num_page_entries)
4650   {
4651     if (button)
4652     {
4653       if (game_status == GAME_MODE_NAMES)
4654       {
4655         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4656           drawChooseTreeEdit(y, TRUE);
4657       }
4658
4659       if (y != ti->cl_cursor)
4660       {
4661         PlaySound(SND_MENU_ITEM_ACTIVATING);
4662
4663         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4664         drawChooseTreeCursor(y, TRUE);
4665         drawChooseTreeInfo(ti->cl_first + y, ti);
4666
4667         ti->cl_cursor = y;
4668       }
4669       else if (dx < 0)
4670       {
4671         if (game_status == GAME_MODE_SETUP)
4672         {
4673           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4674               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4675               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4676             execSetupGame();
4677           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4678                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4679                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4680                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4681             execSetupGraphics();
4682           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4683                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4684                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4685             execSetupSound();
4686           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4687                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4688                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4689                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4690                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4691                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4692                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4693                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4694             execSetupTouch();
4695           else
4696             execSetupArtwork();
4697         }
4698       }
4699     }
4700     else
4701     {
4702       TreeInfo *node_first, *node_cursor;
4703       int entry_pos = ti->cl_first + y;
4704
4705       PlaySound(SND_MENU_ITEM_SELECTING);
4706
4707       node_first = getTreeInfoFirstGroupEntry(ti);
4708       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4709
4710       if (node_cursor->node_group)
4711       {
4712         FadeSetEnterMenu();
4713
4714         node_cursor->cl_first = ti->cl_first;
4715         node_cursor->cl_cursor = ti->cl_cursor;
4716         *ti_ptr = node_cursor->node_group;
4717         DrawChooseTree(ti_ptr);
4718       }
4719       else if (node_cursor->parent_link)
4720       {
4721         FadeSetLeaveMenu();
4722
4723         *ti_ptr = node_cursor->node_parent;
4724         DrawChooseTree(ti_ptr);
4725       }
4726       else
4727       {
4728         FadeSetEnterMenu();
4729
4730         node_cursor->cl_first = ti->cl_first;
4731         node_cursor->cl_cursor = ti->cl_cursor;
4732         *ti_ptr = node_cursor;
4733
4734         if (ti->type == TREE_TYPE_LEVEL_DIR)
4735         {
4736           LoadLevelSetup_SeriesInfo();
4737
4738           SaveLevelSetup_LastSeries();
4739           SaveLevelSetup_SeriesInfo();
4740           TapeErase();
4741         }
4742
4743         if (game_status == GAME_MODE_SETUP)
4744         {
4745           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4746               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4747               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4748             execSetupGame();
4749           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4750                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4751                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4752                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4753             execSetupGraphics();
4754           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4755                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4756                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4757             execSetupSound();
4758           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4759                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4760                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4761                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4762                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4763                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4764                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4765                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4766             execSetupTouch();
4767           else
4768             execSetupArtwork();
4769         }
4770         else
4771         {
4772           if (game_status == GAME_MODE_LEVELNR)
4773           {
4774             int new_level_nr = atoi(level_number_current->identifier);
4775
4776             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4777           }
4778           else if (game_status == GAME_MODE_NAMES)
4779           {
4780             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4781             {
4782               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4783
4784               DrawTypeName();
4785
4786               return;
4787             }
4788
4789             // change active user to selected user
4790             user.nr = entry_pos;
4791
4792             // save number of new active user
4793             SaveUserSetup();
4794
4795             // load setup of new active user
4796             LoadSetup();
4797
4798             // load last level set of new active user
4799             LoadLevelSetup_LastSeries();
4800             LoadLevelSetup_SeriesInfo();
4801
4802             TapeErase();
4803
4804             ToggleFullscreenIfNeeded();
4805             ChangeWindowScalingIfNeeded();
4806
4807             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
4808             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
4809             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
4810           }
4811
4812           SetGameStatus(GAME_MODE_MAIN);
4813
4814           DrawMainMenu();
4815         }
4816       }
4817     }
4818   }
4819 }
4820
4821 void DrawChoosePlayerName(void)
4822 {
4823   int i;
4824
4825   FadeMenuSoundsAndMusic();
4826
4827   if (player_name != NULL)
4828   {
4829     freeTreeInfo(player_name);
4830
4831     player_name = NULL;
4832   }
4833
4834   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4835   {
4836     boolean team_mode = (!network.enabled && setup.team_mode);
4837     int tree_type = (team_mode ? TREE_TYPE_PLAYER_TEAM : TREE_TYPE_PLAYER_NAME);
4838     TreeInfo *ti = newTreeInfo_setDefaults(tree_type);
4839     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4840     int value = i;
4841
4842     ti->node_top = &player_name;
4843     ti->sort_priority = 10000 + value;
4844     ti->color = FC_RED;
4845
4846     if (strEqual(global.user_names[i], EMPTY_PLAYER_NAME))
4847       ti->color = FC_BLUE;
4848
4849     snprintf(identifier, sizeof(identifier), "%d", value);
4850     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4851
4852     setString(&ti->identifier, identifier);
4853     setString(&ti->name, name);
4854     setString(&ti->name_sorting, name);
4855
4856     pushTreeInfo(&player_name, ti);
4857   }
4858
4859   // sort player entries by player number
4860   sortTreeInfo(&player_name);
4861
4862   // set current player entry to selected player entry
4863   player_name_current =
4864     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4865
4866   // if that fails, set current player name to first available name
4867   if (player_name_current == NULL)
4868     player_name_current = player_name;
4869
4870   DrawChooseTree(&player_name_current);
4871
4872   PlayMenuSoundsAndMusic();
4873 }
4874
4875 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4876 {
4877   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4878 }
4879
4880 void DrawChooseLevelSet(void)
4881 {
4882   FadeMenuSoundsAndMusic();
4883
4884   DrawChooseTree(&leveldir_current);
4885
4886   PlayMenuSoundsAndMusic();
4887 }
4888
4889 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4890 {
4891   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4892 }
4893
4894 void DrawChooseLevelNr(void)
4895 {
4896   int i;
4897
4898   FadeMenuSoundsAndMusic();
4899
4900   if (level_number != NULL)
4901   {
4902     freeTreeInfo(level_number);
4903
4904     level_number = NULL;
4905   }
4906
4907   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4908   {
4909     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4910     char identifier[32], name[64];
4911     int value = i;
4912
4913     // temporarily load level info to get level name
4914     LoadLevelInfoOnly(i);
4915
4916     ti->node_top = &level_number;
4917     ti->sort_priority = 10000 + value;
4918     ti->color = (level.no_level_file ? FC_BLUE :
4919                  LevelStats_getSolved(i) ? FC_GREEN :
4920                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4921
4922     snprintf(identifier, sizeof(identifier), "%d", value);
4923     snprintf(name, sizeof(name), "%03d: %s", value,
4924              (level.no_level_file ? "(no file)" : level.name));
4925
4926     setString(&ti->identifier, identifier);
4927     setString(&ti->name, name);
4928     setString(&ti->name_sorting, name);
4929
4930     pushTreeInfo(&level_number, ti);
4931   }
4932
4933   // sort level number values to start with lowest level number
4934   sortTreeInfo(&level_number);
4935
4936   // set current level number to current level number
4937   level_number_current =
4938     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4939
4940   // if that also fails, set current level number to first available level
4941   if (level_number_current == NULL)
4942     level_number_current = level_number;
4943
4944   DrawChooseTree(&level_number_current);
4945
4946   PlayMenuSoundsAndMusic();
4947 }
4948
4949 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4950 {
4951   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4952 }
4953
4954 void DrawHallOfFame(int level_nr, int highlight_position)
4955 {
4956   int fade_mask = REDRAW_FIELD;
4957
4958   if (CheckFadeAll())
4959     fade_mask = REDRAW_ALL;
4960
4961   UnmapAllGadgets();
4962   FadeMenuSoundsAndMusic();
4963
4964   // (this is needed when called from GameEnd() after winning a game)
4965   KeyboardAutoRepeatOn();
4966
4967   // (this is needed when called from GameEnd() after winning a game)
4968   SetDrawDeactivationMask(REDRAW_NONE);
4969   SetDrawBackgroundMask(REDRAW_FIELD);
4970
4971   if (highlight_position < 0)
4972     LoadScore(level_nr);
4973   else
4974     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4975
4976   FadeSetEnterScreen();
4977
4978   FadeOut(fade_mask);
4979
4980   // needed if different viewport properties defined for scores
4981   ChangeViewportPropertiesIfNeeded();
4982
4983   PlayMenuSoundsAndMusic();
4984
4985   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4986
4987   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4988
4989   DrawMaskedBorder(fade_mask);
4990
4991   FadeIn(fade_mask);
4992 }
4993
4994 static void drawHallOfFameList(int level_nr, int first_entry,
4995                                int highlight_position)
4996 {
4997   int i, j;
4998
4999   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5000   ClearField();
5001
5002   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5003   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5004                     "HighScores of Level %d", level_nr);
5005
5006   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5007   {
5008     int entry = first_entry + i;
5009     boolean active = (entry == highlight_position);
5010     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5011     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5012     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5013     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5014     int dxoff = getFontDrawOffsetX(font_nr1);
5015     int dx1 = 3 * getFontWidth(font_nr1);
5016     int dx2 = dx1 + getFontWidth(font_nr1);
5017     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5018     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5019     int sy = mSY + 64 + i * 32;
5020
5021     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
5022     DrawText(mSX + dx1, sy, ".", font_nr1);
5023
5024     for (j = 0; j < num_dots; j++)
5025       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5026
5027     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
5028       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
5029
5030     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
5031   }
5032
5033   redraw_mask |= REDRAW_FIELD;
5034 }
5035
5036 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5037 {
5038   static int level_nr = 0;
5039   static int first_entry = 0;
5040   static int highlight_position = 0;
5041   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5042
5043   if (button == MB_MENU_INITIALIZE)
5044   {
5045     level_nr = mx;
5046     first_entry = 0;
5047     highlight_position = my;
5048
5049     drawHallOfFameList(level_nr, first_entry, highlight_position);
5050
5051     return;
5052   }
5053
5054   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5055     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5056
5057   if (dy < 0)
5058   {
5059     if (first_entry > 0)
5060     {
5061       first_entry -= step;
5062       if (first_entry < 0)
5063         first_entry = 0;
5064
5065       drawHallOfFameList(level_nr, first_entry, highlight_position);
5066     }
5067   }
5068   else if (dy > 0)
5069   {
5070     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
5071     {
5072       first_entry += step;
5073       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5074         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5075
5076       drawHallOfFameList(level_nr, first_entry, highlight_position);
5077     }
5078   }
5079   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5080   {
5081     PlaySound(SND_MENU_ITEM_SELECTING);
5082
5083     FadeSound(SND_BACKGROUND_SCORES);
5084
5085     if (button == MB_MENU_CHOICE &&
5086         game_status_last_screen == GAME_MODE_PLAYING &&
5087         setup.auto_play_next_level && setup.increment_levels &&
5088         level_nr < leveldir_current->last_level &&
5089         !network_playing)
5090     {
5091       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5092     }
5093     else
5094     {
5095       SetGameStatus(GAME_MODE_MAIN);
5096
5097       DrawMainMenu();
5098     }
5099   }
5100
5101   if (game_status == GAME_MODE_SCORES)
5102     PlayMenuSoundIfLoop();
5103 }
5104
5105
5106 // ============================================================================
5107 // setup screen functions
5108 // ============================================================================
5109
5110 static struct TokenInfo *setup_info;
5111 static int num_setup_info;      // number of setup entries shown on screen
5112 static int max_setup_info;      // total number of setup entries in list
5113
5114 static char *window_size_text;
5115 static char *scaling_type_text;
5116 static char *rendering_mode_text;
5117 static char *vsync_mode_text;
5118 static char *scroll_delay_text;
5119 static char *snapshot_mode_text;
5120 static char *game_speed_text;
5121 static char *network_server_text;
5122 static char *graphics_set_name;
5123 static char *sounds_set_name;
5124 static char *music_set_name;
5125 static char *volume_simple_text;
5126 static char *volume_loops_text;
5127 static char *volume_music_text;
5128 static char *touch_controls_text;
5129 static char *move_distance_text;
5130 static char *drop_distance_text;
5131 static char *transparency_text;
5132 static char *grid_size_text[2][2];
5133
5134 static void execSetupMain(void)
5135 {
5136   setup_mode = SETUP_MODE_MAIN;
5137
5138   DrawSetupScreen();
5139 }
5140
5141 static void execSetupGame_setGameSpeeds(boolean update_value)
5142 {
5143   if (setup.game_speed_extended)
5144   {
5145     game_speeds_list = game_speeds_list_extended;
5146     game_speeds      = game_speeds_extended;
5147   }
5148   else
5149   {
5150     game_speeds_list = game_speeds_list_normal;
5151     game_speeds      = game_speeds_normal;
5152   }
5153
5154   if (game_speeds == NULL)
5155   {
5156     int i;
5157
5158     for (i = 0; game_speeds_list[i].value != -1; i++)
5159     {
5160       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5161       char identifier[32], name[32];
5162       int value = game_speeds_list[i].value;
5163       char *text = game_speeds_list[i].text;
5164
5165       ti->node_top = &game_speeds;
5166       ti->sort_priority = 10000 - value;
5167
5168       sprintf(identifier, "%d", value);
5169       sprintf(name, "%s", text);
5170
5171       setString(&ti->identifier, identifier);
5172       setString(&ti->name, name);
5173       setString(&ti->name_sorting, name);
5174       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5175
5176       pushTreeInfo(&game_speeds, ti);
5177     }
5178
5179     // sort game speed values to start with slowest game speed
5180     sortTreeInfo(&game_speeds);
5181
5182     update_value = TRUE;
5183   }
5184
5185   if (update_value)
5186   {
5187     // set current game speed to configured game speed value
5188     game_speed_current =
5189       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5190
5191     // if that fails, set current game speed to reliable default value
5192     if (game_speed_current == NULL)
5193       game_speed_current =
5194         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5195
5196     // if that also fails, set current game speed to first available speed
5197     if (game_speed_current == NULL)
5198       game_speed_current = game_speeds;
5199
5200     if (setup.game_speed_extended)
5201       game_speeds_extended = game_speeds;
5202     else
5203       game_speeds_normal = game_speeds;
5204   }
5205
5206   setup.game_frame_delay = atoi(game_speed_current->identifier);
5207
5208   // needed for displaying game speed text instead of identifier
5209   game_speed_text = game_speed_current->name;
5210 }
5211
5212 static void execSetupGame_setScrollDelays(void)
5213 {
5214   if (scroll_delays == NULL)
5215   {
5216     int i;
5217
5218     for (i = 0; scroll_delays_list[i].value != -1; i++)
5219     {
5220       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5221       char identifier[32], name[32];
5222       int value = scroll_delays_list[i].value;
5223       char *text = scroll_delays_list[i].text;
5224
5225       ti->node_top = &scroll_delays;
5226       ti->sort_priority = value;
5227
5228       sprintf(identifier, "%d", value);
5229       sprintf(name, "%s", text);
5230
5231       setString(&ti->identifier, identifier);
5232       setString(&ti->name, name);
5233       setString(&ti->name_sorting, name);
5234       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5235
5236       pushTreeInfo(&scroll_delays, ti);
5237     }
5238
5239     // sort scroll delay values to start with lowest scroll delay value
5240     sortTreeInfo(&scroll_delays);
5241
5242     // set current scroll delay value to configured scroll delay value
5243     scroll_delay_current =
5244       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5245
5246     // if that fails, set current scroll delay to reliable default value
5247     if (scroll_delay_current == NULL)
5248       scroll_delay_current =
5249         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5250
5251     // if that also fails, set current scroll delay to first available value
5252     if (scroll_delay_current == NULL)
5253       scroll_delay_current = scroll_delays;
5254   }
5255
5256   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5257
5258   // needed for displaying scroll delay text instead of identifier
5259   scroll_delay_text = scroll_delay_current->name;
5260 }
5261
5262 static void execSetupGame_setSnapshotModes(void)
5263 {
5264   if (snapshot_modes == NULL)
5265   {
5266     int i;
5267
5268     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5269     {
5270       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5271       char identifier[32], name[32];
5272       char *value = snapshot_modes_list[i].value;
5273       char *text = snapshot_modes_list[i].text;
5274
5275       ti->node_top = &snapshot_modes;
5276       ti->sort_priority = i;
5277
5278       sprintf(identifier, "%s", value);
5279       sprintf(name, "%s", text);
5280
5281       setString(&ti->identifier, identifier);
5282       setString(&ti->name, name);
5283       setString(&ti->name_sorting, name);
5284       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5285
5286       pushTreeInfo(&snapshot_modes, ti);
5287     }
5288
5289     // sort snapshot mode values to start with lowest snapshot mode value
5290     sortTreeInfo(&snapshot_modes);
5291
5292     // set current snapshot mode value to configured snapshot mode value
5293     snapshot_mode_current =
5294       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5295
5296     // if that fails, set current snapshot mode to reliable default value
5297     if (snapshot_mode_current == NULL)
5298       snapshot_mode_current =
5299         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5300
5301     // if that also fails, set current snapshot mode to first available value
5302     if (snapshot_mode_current == NULL)
5303       snapshot_mode_current = snapshot_modes;
5304   }
5305
5306   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5307
5308   // needed for displaying snapshot mode text instead of identifier
5309   snapshot_mode_text = snapshot_mode_current->name;
5310 }
5311
5312 static void execSetupGame_setNetworkServerText(void)
5313 {
5314   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5315   {
5316     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5317   }
5318   else
5319   {
5320     strncpy(network_server_hostname, setup.network_server_hostname,
5321             MAX_SETUP_TEXT_INPUT_LEN);
5322     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5323   }
5324
5325   // needed for displaying network server text instead of identifier
5326   network_server_text = network_server_hostname;
5327 }
5328
5329 static void execSetupGame(void)
5330 {
5331   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5332
5333   execSetupGame_setGameSpeeds(FALSE);
5334   execSetupGame_setScrollDelays();
5335   execSetupGame_setSnapshotModes();
5336
5337   execSetupGame_setNetworkServerText();
5338
5339   setup_mode = SETUP_MODE_GAME;
5340
5341   DrawSetupScreen();
5342
5343   // check if vsync needs to be disabled for this game speed to work
5344   if (check_vsync_mode)
5345     DisableVsyncIfNeeded();
5346 }
5347
5348 static void execSetupChooseGameSpeed(void)
5349 {
5350   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5351
5352   DrawSetupScreen();
5353 }
5354
5355 static void execSetupChooseScrollDelay(void)
5356 {
5357   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5358
5359   DrawSetupScreen();
5360 }
5361
5362 static void execSetupChooseSnapshotMode(void)
5363 {
5364   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5365
5366   DrawSetupScreen();
5367 }
5368
5369 static void execSetupEngines(void)
5370 {
5371   setup_mode = SETUP_MODE_ENGINES;
5372
5373   DrawSetupScreen();
5374 }
5375
5376 static void execSetupEditor(void)
5377 {
5378   setup_mode = SETUP_MODE_EDITOR;
5379
5380   DrawSetupScreen();
5381 }
5382
5383 static void execSetupGraphics_setWindowSizes(boolean update_list)
5384 {
5385   if (window_sizes != NULL && update_list)
5386   {
5387     freeTreeInfo(window_sizes);
5388
5389     window_sizes = NULL;
5390   }
5391
5392   if (window_sizes == NULL)
5393   {
5394     boolean current_window_size_found = FALSE;
5395     int i;
5396
5397     for (i = 0; window_sizes_list[i].value != -1; i++)
5398     {
5399       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5400       char identifier[32], name[32];
5401       int value = window_sizes_list[i].value;
5402       char *text = window_sizes_list[i].text;
5403
5404       ti->node_top = &window_sizes;
5405       ti->sort_priority = value;
5406
5407       sprintf(identifier, "%d", value);
5408       sprintf(name, "%s", text);
5409
5410       setString(&ti->identifier, identifier);
5411       setString(&ti->name, name);
5412       setString(&ti->name_sorting, name);
5413       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5414
5415       pushTreeInfo(&window_sizes, ti);
5416
5417       if (value == setup.window_scaling_percent)
5418         current_window_size_found = TRUE;
5419     }
5420
5421     if (!current_window_size_found)
5422     {
5423       // add entry for non-preset window scaling value
5424
5425       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5426       char identifier[32], name[32];
5427       int value = setup.window_scaling_percent;
5428
5429       ti->node_top = &window_sizes;
5430       ti->sort_priority = value;
5431
5432       sprintf(identifier, "%d", value);
5433       sprintf(name, "%d %% (Current)", value);
5434
5435       setString(&ti->identifier, identifier);
5436       setString(&ti->name, name);
5437       setString(&ti->name_sorting, name);
5438       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5439
5440       pushTreeInfo(&window_sizes, ti);
5441     }
5442
5443     // sort window size values to start with lowest window size value
5444     sortTreeInfo(&window_sizes);
5445
5446     // set current window size value to configured window size value
5447     window_size_current =
5448       getTreeInfoFromIdentifier(window_sizes,
5449                                 i_to_a(setup.window_scaling_percent));
5450
5451     // if that fails, set current window size to reliable default value
5452     if (window_size_current == NULL)
5453       window_size_current =
5454         getTreeInfoFromIdentifier(window_sizes,
5455                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5456
5457     // if that also fails, set current window size to first available value
5458     if (window_size_current == NULL)
5459       window_size_current = window_sizes;
5460   }
5461
5462   setup.window_scaling_percent = atoi(window_size_current->identifier);
5463
5464   // needed for displaying window size text instead of identifier
5465   window_size_text = window_size_current->name;
5466 }
5467
5468 static void execSetupGraphics_setScalingTypes(void)
5469 {
5470   if (scaling_types == NULL)
5471   {
5472     int i;
5473
5474     for (i = 0; scaling_types_list[i].value != NULL; i++)
5475     {
5476       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5477       char identifier[32], name[32];
5478       char *value = scaling_types_list[i].value;
5479       char *text = scaling_types_list[i].text;
5480
5481       ti->node_top = &scaling_types;
5482       ti->sort_priority = i;
5483
5484       sprintf(identifier, "%s", value);
5485       sprintf(name, "%s", text);
5486
5487       setString(&ti->identifier, identifier);
5488       setString(&ti->name, name);
5489       setString(&ti->name_sorting, name);
5490       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5491
5492       pushTreeInfo(&scaling_types, ti);
5493     }
5494
5495     // sort scaling type values to start with lowest scaling type value
5496     sortTreeInfo(&scaling_types);
5497
5498     // set current scaling type value to configured scaling type value
5499     scaling_type_current =
5500       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5501
5502     // if that fails, set current scaling type to reliable default value
5503     if (scaling_type_current == NULL)
5504       scaling_type_current =
5505         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5506
5507     // if that also fails, set current scaling type to first available value
5508     if (scaling_type_current == NULL)
5509       scaling_type_current = scaling_types;
5510   }
5511
5512   setup.window_scaling_quality = scaling_type_current->identifier;
5513
5514   // needed for displaying scaling type text instead of identifier
5515   scaling_type_text = scaling_type_current->name;
5516 }
5517
5518 static void execSetupGraphics_setRenderingModes(void)
5519 {
5520   if (rendering_modes == NULL)
5521   {
5522     int i;
5523
5524     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5525     {
5526       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5527       char identifier[32], name[32];
5528       char *value = rendering_modes_list[i].value;
5529       char *text = rendering_modes_list[i].text;
5530
5531       ti->node_top = &rendering_modes;
5532       ti->sort_priority = i;
5533
5534       sprintf(identifier, "%s", value);
5535       sprintf(name, "%s", text);
5536
5537       setString(&ti->identifier, identifier);
5538       setString(&ti->name, name);
5539       setString(&ti->name_sorting, name);
5540       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5541
5542       pushTreeInfo(&rendering_modes, ti);
5543     }
5544
5545     // sort rendering mode values to start with lowest rendering mode value
5546     sortTreeInfo(&rendering_modes);
5547
5548     // set current rendering mode value to configured rendering mode value
5549     rendering_mode_current =
5550       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5551
5552     // if that fails, set current rendering mode to reliable default value
5553     if (rendering_mode_current == NULL)
5554       rendering_mode_current =
5555         getTreeInfoFromIdentifier(rendering_modes,
5556                                   STR_SPECIAL_RENDERING_DEFAULT);
5557
5558     // if that also fails, set current rendering mode to first available one
5559     if (rendering_mode_current == NULL)
5560       rendering_mode_current = rendering_modes;
5561   }
5562
5563   setup.screen_rendering_mode = rendering_mode_current->identifier;
5564
5565   // needed for displaying rendering mode text instead of identifier
5566   rendering_mode_text = rendering_mode_current->name;
5567 }
5568
5569 static void execSetupGraphics_setVsyncModes(boolean update_value)
5570 {
5571   if (vsync_modes == NULL)
5572   {
5573     int i;
5574
5575     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5576     {
5577       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5578       char identifier[32], name[32];
5579       char *value = vsync_modes_list[i].value;
5580       char *text = vsync_modes_list[i].text;
5581
5582       ti->node_top = &vsync_modes;
5583       ti->sort_priority = i;
5584
5585       sprintf(identifier, "%s", value);
5586       sprintf(name, "%s", text);
5587
5588       setString(&ti->identifier, identifier);
5589       setString(&ti->name, name);
5590       setString(&ti->name_sorting, name);
5591       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5592
5593       pushTreeInfo(&vsync_modes, ti);
5594     }
5595
5596     // sort vsync mode values to start with lowest vsync mode value
5597     sortTreeInfo(&vsync_modes);
5598
5599     update_value = TRUE;
5600   }
5601
5602   if (update_value)
5603   {
5604     // set current vsync mode value to configured vsync mode value
5605     vsync_mode_current =
5606       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5607
5608     // if that fails, set current vsync mode to reliable default value
5609     if (vsync_mode_current == NULL)
5610       vsync_mode_current =
5611         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5612
5613     // if that also fails, set current vsync mode to first available one
5614     if (vsync_mode_current == NULL)
5615       vsync_mode_current = vsync_modes;
5616   }
5617
5618   setup.vsync_mode = vsync_mode_current->identifier;
5619
5620   // needed for displaying vsync mode text instead of identifier
5621   vsync_mode_text = vsync_mode_current->name;
5622 }
5623
5624 static void execSetupGraphics(void)
5625 {
5626   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5627
5628   // update "setup.window_scaling_percent" from list selection
5629   // (in this case, window scaling was changed on setup screen)
5630   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5631     execSetupGraphics_setWindowSizes(FALSE);
5632
5633   // update "setup.vsync_mode" from list selection
5634   // (in this case, vsync mode was changed on setup screen)
5635   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5636     execSetupGraphics_setVsyncModes(FALSE);
5637
5638   // update list selection from "setup.window_scaling_percent"
5639   // (window scaling may have changed by resizing the window)
5640   execSetupGraphics_setWindowSizes(TRUE);
5641
5642   // update list selection from "setup.vsync_mode"
5643   // (vsync_mode may have changed by re-creating the renderer)
5644   execSetupGraphics_setVsyncModes(TRUE);
5645
5646   execSetupGraphics_setScalingTypes();
5647   execSetupGraphics_setRenderingModes();
5648
5649   setup_mode = SETUP_MODE_GRAPHICS;
5650
5651   DrawSetupScreen();
5652
5653   // check if game speed is high enough for 60 Hz vsync to work
5654   if (check_game_speed)
5655     ModifyGameSpeedIfNeeded();
5656
5657   // window scaling may have changed at this point
5658   ChangeWindowScalingIfNeeded();
5659
5660   // window scaling quality may have changed at this point
5661   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5662     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5663
5664   // screen rendering mode may have changed at this point
5665   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5666
5667   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5668   int video_vsync_mode = video.vsync_mode;
5669
5670   // screen vsync mode may have changed at this point
5671   ChangeVsyncModeIfNeeded();
5672
5673   // check if setting vsync mode to selected value failed
5674   if (setup_vsync_mode != video_vsync_mode &&
5675       setup_vsync_mode != video.vsync_mode)
5676   {
5677     // changing vsync mode to selected value failed -- reset displayed value
5678     execSetupGraphics_setVsyncModes(TRUE);
5679
5680     Request("Setting VSync failed!", REQ_CONFIRM);
5681
5682     DrawSetupScreen();
5683   }
5684 }
5685
5686 static void execSetupChooseWindowSize(void)
5687 {
5688   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5689
5690   DrawSetupScreen();
5691 }
5692
5693 static void execSetupChooseScalingType(void)
5694 {
5695   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5696
5697   DrawSetupScreen();
5698 }
5699
5700 static void execSetupChooseRenderingMode(void)
5701 {
5702   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5703
5704   DrawSetupScreen();
5705 }
5706
5707 static void execSetupChooseVsyncMode(void)
5708 {
5709   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5710
5711   DrawSetupScreen();
5712 }
5713
5714 static void execSetupChooseVolumeSimple(void)
5715 {
5716   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5717
5718   DrawSetupScreen();
5719 }
5720
5721 static void execSetupChooseVolumeLoops(void)
5722 {
5723   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5724
5725   DrawSetupScreen();
5726 }
5727
5728 static void execSetupChooseVolumeMusic(void)
5729 {
5730   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5731
5732   DrawSetupScreen();
5733 }
5734
5735 static void execSetupSound(void)
5736 {
5737   if (volumes_simple == NULL)
5738   {
5739     boolean current_volume_simple_found = FALSE;
5740     int i;
5741
5742     for (i = 0; volumes_list[i].value != -1; i++)
5743     {
5744       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5745       char identifier[32], name[32];
5746       int value = volumes_list[i].value;
5747       char *text = volumes_list[i].text;
5748
5749       ti->node_top = &volumes_simple;
5750       ti->sort_priority = value;
5751
5752       sprintf(identifier, "%d", value);
5753       sprintf(name, "%s", text);
5754
5755       setString(&ti->identifier, identifier);
5756       setString(&ti->name, name);
5757       setString(&ti->name_sorting, name);
5758       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5759
5760       pushTreeInfo(&volumes_simple, ti);
5761
5762       if (value == setup.volume_simple)
5763         current_volume_simple_found = TRUE;
5764     }
5765
5766     if (!current_volume_simple_found)
5767     {
5768       // add entry for non-preset volume value
5769
5770       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5771       char identifier[32], name[32];
5772       int value = setup.volume_simple;
5773
5774       ti->node_top = &volumes_simple;
5775       ti->sort_priority = value;
5776
5777       sprintf(identifier, "%d", value);
5778       sprintf(name, "%d %% (Current)", value);
5779
5780       setString(&ti->identifier, identifier);
5781       setString(&ti->name, name);
5782       setString(&ti->name_sorting, name);
5783       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5784
5785       pushTreeInfo(&volumes_simple, ti);
5786     }
5787
5788     // sort volume values to start with lowest volume value
5789     sortTreeInfo(&volumes_simple);
5790
5791     // set current volume value to configured volume value
5792     volume_simple_current =
5793       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5794
5795     // if that fails, set current volume to reliable default value
5796     if (volume_simple_current == NULL)
5797       volume_simple_current =
5798         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5799
5800     // if that also fails, set current volume to first available value
5801     if (volume_simple_current == NULL)
5802       volume_simple_current = volumes_simple;
5803   }
5804
5805   if (volumes_loops == NULL)
5806   {
5807     boolean current_volume_loops_found = FALSE;
5808     int i;
5809
5810     for (i = 0; volumes_list[i].value != -1; i++)
5811     {
5812       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5813       char identifier[32], name[32];
5814       int value = volumes_list[i].value;
5815       char *text = volumes_list[i].text;
5816
5817       ti->node_top = &volumes_loops;
5818       ti->sort_priority = value;
5819
5820       sprintf(identifier, "%d", value);
5821       sprintf(name, "%s", text);
5822
5823       setString(&ti->identifier, identifier);
5824       setString(&ti->name, name);
5825       setString(&ti->name_sorting, name);
5826       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5827
5828       pushTreeInfo(&volumes_loops, ti);
5829
5830       if (value == setup.volume_loops)
5831         current_volume_loops_found = TRUE;
5832     }
5833
5834     if (!current_volume_loops_found)
5835     {
5836       // add entry for non-preset volume value
5837
5838       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5839       char identifier[32], name[32];
5840       int value = setup.volume_loops;
5841
5842       ti->node_top = &volumes_loops;
5843       ti->sort_priority = value;
5844
5845       sprintf(identifier, "%d", value);
5846       sprintf(name, "%d %% (Current)", value);
5847
5848       setString(&ti->identifier, identifier);
5849       setString(&ti->name, name);
5850       setString(&ti->name_sorting, name);
5851       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5852
5853       pushTreeInfo(&volumes_loops, ti);
5854     }
5855
5856     // sort volume values to start with lowest volume value
5857     sortTreeInfo(&volumes_loops);
5858
5859     // set current volume value to configured volume value
5860     volume_loops_current =
5861       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5862
5863     // if that fails, set current volume to reliable default value
5864     if (volume_loops_current == NULL)
5865       volume_loops_current =
5866         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5867
5868     // if that also fails, set current volume to first available value
5869     if (volume_loops_current == NULL)
5870       volume_loops_current = volumes_loops;
5871   }
5872
5873   if (volumes_music == NULL)
5874   {
5875     boolean current_volume_music_found = FALSE;
5876     int i;
5877
5878     for (i = 0; volumes_list[i].value != -1; i++)
5879     {
5880       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5881       char identifier[32], name[32];
5882       int value = volumes_list[i].value;
5883       char *text = volumes_list[i].text;
5884
5885       ti->node_top = &volumes_music;
5886       ti->sort_priority = value;
5887
5888       sprintf(identifier, "%d", value);
5889       sprintf(name, "%s", text);
5890
5891       setString(&ti->identifier, identifier);
5892       setString(&ti->name, name);
5893       setString(&ti->name_sorting, name);
5894       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5895
5896       pushTreeInfo(&volumes_music, ti);
5897
5898       if (value == setup.volume_music)
5899         current_volume_music_found = TRUE;
5900     }
5901
5902     if (!current_volume_music_found)
5903     {
5904       // add entry for non-preset volume value
5905
5906       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5907       char identifier[32], name[32];
5908       int value = setup.volume_music;
5909
5910       ti->node_top = &volumes_music;
5911       ti->sort_priority = value;
5912
5913       sprintf(identifier, "%d", value);
5914       sprintf(name, "%d %% (Current)", value);
5915
5916       setString(&ti->identifier, identifier);
5917       setString(&ti->name, name);
5918       setString(&ti->name_sorting, name);
5919       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5920
5921       pushTreeInfo(&volumes_music, ti);
5922     }
5923
5924     // sort volume values to start with lowest volume value
5925     sortTreeInfo(&volumes_music);
5926
5927     // set current volume value to configured volume value
5928     volume_music_current =
5929       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5930
5931     // if that fails, set current volume to reliable default value
5932     if (volume_music_current == NULL)
5933       volume_music_current =
5934         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5935
5936     // if that also fails, set current volume to first available value
5937     if (volume_music_current == NULL)
5938       volume_music_current = volumes_music;
5939   }
5940
5941   setup.volume_simple = atoi(volume_simple_current->identifier);
5942   setup.volume_loops  = atoi(volume_loops_current->identifier);
5943   setup.volume_music  = atoi(volume_music_current->identifier);
5944
5945   // needed for displaying volume text instead of identifier
5946   volume_simple_text = volume_simple_current->name;
5947   volume_loops_text = volume_loops_current->name;
5948   volume_music_text = volume_music_current->name;
5949
5950   setup_mode = SETUP_MODE_SOUND;
5951
5952   DrawSetupScreen();
5953 }
5954
5955 static void execSetupChooseTouchControls(void)
5956 {
5957   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5958
5959   DrawSetupScreen();
5960 }
5961
5962 static void execSetupChooseMoveDistance(void)
5963 {
5964   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5965
5966   DrawSetupScreen();
5967 }
5968
5969 static void execSetupChooseDropDistance(void)
5970 {
5971   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5972
5973   DrawSetupScreen();
5974 }
5975
5976 static void execSetupChooseTransparency(void)
5977 {
5978   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5979
5980   DrawSetupScreen();
5981 }
5982
5983 static void execSetupChooseGridXSize_0(void)
5984 {
5985   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5986
5987   DrawSetupScreen();
5988 }
5989
5990 static void execSetupChooseGridYSize_0(void)
5991 {
5992   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5993
5994   DrawSetupScreen();
5995 }
5996
5997 static void execSetupChooseGridXSize_1(void)
5998 {
5999   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6000
6001   DrawSetupScreen();
6002 }
6003
6004 static void execSetupChooseGridYSize_1(void)
6005 {
6006   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6007
6008   DrawSetupScreen();
6009 }
6010
6011 static void execSetupConfigureVirtualButtons(void)
6012 {
6013   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6014
6015   ConfigureVirtualButtons();
6016
6017   setup_mode = SETUP_MODE_TOUCH;
6018
6019   DrawSetupScreen();
6020 }
6021
6022 static void execSetupTouch(void)
6023 {
6024   int i, j, k;
6025
6026   if (touch_controls == NULL)
6027   {
6028     for (i = 0; touch_controls_list[i].value != NULL; i++)
6029     {
6030       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6031       char identifier[32], name[32];
6032       char *value = touch_controls_list[i].value;
6033       char *text = touch_controls_list[i].text;
6034
6035       ti->node_top = &touch_controls;
6036       ti->sort_priority = i;
6037
6038       sprintf(identifier, "%s", value);
6039       sprintf(name, "%s", text);
6040
6041       setString(&ti->identifier, identifier);
6042       setString(&ti->name, name);
6043       setString(&ti->name_sorting, name);
6044       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6045
6046       pushTreeInfo(&touch_controls, ti);
6047     }
6048
6049     // sort touch control values to start with lowest touch control value
6050     sortTreeInfo(&touch_controls);
6051
6052     // set current touch control value to configured touch control value
6053     touch_control_current =
6054       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6055
6056     // if that fails, set current touch control to reliable default value
6057     if (touch_control_current == NULL)
6058       touch_control_current =
6059         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6060
6061     // if that also fails, set current touch control to first available value
6062     if (touch_control_current == NULL)
6063       touch_control_current = touch_controls;
6064   }
6065
6066   if (move_distances == NULL)
6067   {
6068     for (i = 0; distances_list[i].value != -1; i++)
6069     {
6070       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6071       char identifier[32], name[32];
6072       int value = distances_list[i].value;
6073       char *text = distances_list[i].text;
6074
6075       ti->node_top = &move_distances;
6076       ti->sort_priority = value;
6077
6078       sprintf(identifier, "%d", value);
6079       sprintf(name, "%s", text);
6080
6081       setString(&ti->identifier, identifier);
6082       setString(&ti->name, name);
6083       setString(&ti->name_sorting, name);
6084       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6085
6086       pushTreeInfo(&move_distances, ti);
6087     }
6088
6089     // sort distance values to start with lowest distance value
6090     sortTreeInfo(&move_distances);
6091
6092     // set current distance value to configured distance value
6093     move_distance_current =
6094       getTreeInfoFromIdentifier(move_distances,
6095                                 i_to_a(setup.touch.move_distance));
6096
6097     // if that fails, set current distance to reliable default value
6098     if (move_distance_current == NULL)
6099       move_distance_current =
6100         getTreeInfoFromIdentifier(move_distances,
6101                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6102
6103     // if that also fails, set current distance to first available value
6104     if (move_distance_current == NULL)
6105       move_distance_current = move_distances;
6106   }
6107
6108   if (drop_distances == NULL)
6109   {
6110     for (i = 0; distances_list[i].value != -1; i++)
6111     {
6112       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6113       char identifier[32], name[32];
6114       int value = distances_list[i].value;
6115       char *text = distances_list[i].text;
6116
6117       ti->node_top = &drop_distances;
6118       ti->sort_priority = value;
6119
6120       sprintf(identifier, "%d", value);
6121       sprintf(name, "%s", text);
6122
6123       setString(&ti->identifier, identifier);
6124       setString(&ti->name, name);
6125       setString(&ti->name_sorting, name);
6126       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6127
6128       pushTreeInfo(&drop_distances, ti);
6129     }
6130
6131     // sort distance values to start with lowest distance value
6132     sortTreeInfo(&drop_distances);
6133
6134     // set current distance value to configured distance value
6135     drop_distance_current =
6136       getTreeInfoFromIdentifier(drop_distances,
6137                                 i_to_a(setup.touch.drop_distance));
6138
6139     // if that fails, set current distance to reliable default value
6140     if (drop_distance_current == NULL)
6141       drop_distance_current =
6142         getTreeInfoFromIdentifier(drop_distances,
6143                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6144
6145     // if that also fails, set current distance to first available value
6146     if (drop_distance_current == NULL)
6147       drop_distance_current = drop_distances;
6148   }
6149
6150   if (transparencies == NULL)
6151   {
6152     for (i = 0; transparencies_list[i].value != -1; i++)
6153     {
6154       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6155       char identifier[32], name[32];
6156       int value = transparencies_list[i].value;
6157       char *text = transparencies_list[i].text;
6158
6159       ti->node_top = &transparencies;
6160       ti->sort_priority = value;
6161
6162       sprintf(identifier, "%d", value);
6163       sprintf(name, "%s", text);
6164
6165       setString(&ti->identifier, identifier);
6166       setString(&ti->name, name);
6167       setString(&ti->name_sorting, name);
6168       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6169
6170       pushTreeInfo(&transparencies, ti);
6171     }
6172
6173     // sort transparency values to start with lowest transparency value
6174     sortTreeInfo(&transparencies);
6175
6176     // set current transparency value to configured transparency value
6177     transparency_current =
6178       getTreeInfoFromIdentifier(transparencies,
6179                                 i_to_a(setup.touch.transparency));
6180
6181     // if that fails, set current transparency to reliable default value
6182     if (transparency_current == NULL)
6183       transparency_current =
6184         getTreeInfoFromIdentifier(transparencies,
6185                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6186
6187     // if that also fails, set current transparency to first available value
6188     if (transparency_current == NULL)
6189       transparency_current = transparencies;
6190   }
6191
6192   for (i = 0; i < 2; i++)
6193   {
6194     for (j = 0; j < 2; j++)
6195     {
6196       if (grid_sizes[i][j] == NULL)
6197       {
6198         for (k = 0; grid_sizes_list[k].value != -1; k++)
6199         {
6200           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6201           char identifier[32], name[32];
6202           int value = grid_sizes_list[k].value;
6203           char *text = grid_sizes_list[k].text;
6204
6205           ti->node_top = &grid_sizes[i][j];
6206           ti->sort_priority = value;
6207
6208           sprintf(identifier, "%d", value);
6209           sprintf(name, "%s", text);
6210
6211           setString(&ti->identifier, identifier);
6212           setString(&ti->name, name);
6213           setString(&ti->name_sorting, name);
6214           setString(&ti->infotext,
6215                     (i == 0 ?
6216                      (j == 0 ?
6217                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6218                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6219                      (j == 0 ?
6220                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6221                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6222
6223           pushTreeInfo(&grid_sizes[i][j], ti);
6224         }
6225
6226         // sort grid size values to start with lowest grid size value
6227         sortTreeInfo(&grid_sizes[i][j]);
6228
6229         // set current grid size value to configured grid size value
6230         grid_size_current[i][j] =
6231           getTreeInfoFromIdentifier(grid_sizes[i][j],
6232                                     i_to_a(j == 0 ?
6233                                            setup.touch.grid_xsize[i] :
6234                                            setup.touch.grid_ysize[i]));
6235
6236         // if that fails, set current grid size to reliable default value
6237         if (grid_size_current[i][j] == NULL)
6238           grid_size_current[i][j] =
6239             getTreeInfoFromIdentifier(grid_sizes[i][j],
6240                                       i_to_a(j == 0 ?
6241                                              DEFAULT_GRID_XSIZE(i) :
6242                                              DEFAULT_GRID_YSIZE(i)));
6243
6244         // if that also fails, set current grid size to first available value
6245         if (grid_size_current[i][j] == NULL)
6246           grid_size_current[i][j] = grid_sizes[i][j];
6247       }
6248     }
6249   }
6250
6251   setup.touch.control_type = touch_control_current->identifier;
6252   setup.touch.move_distance = atoi(move_distance_current->identifier);
6253   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6254   setup.touch.transparency = atoi(transparency_current->identifier);
6255
6256   for (i = 0; i < 2; i++)
6257   {
6258     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6259     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6260
6261     if (i == GRID_ACTIVE_NR())
6262     {
6263       overlay.grid_xsize = setup.touch.grid_xsize[i];
6264       overlay.grid_ysize = setup.touch.grid_ysize[i];
6265     }
6266   }
6267
6268   // needed for displaying value text instead of identifier
6269   touch_controls_text = touch_control_current->name;
6270   move_distance_text = move_distance_current->name;
6271   drop_distance_text = drop_distance_current->name;
6272   transparency_text = transparency_current->name;
6273
6274   for (i = 0; i < 2; i++)
6275     for (j = 0; j < 2; j++)
6276       grid_size_text[i][j] = grid_size_current[i][j]->name;
6277
6278   setup_mode = SETUP_MODE_TOUCH;
6279
6280   DrawSetupScreen();
6281 }
6282
6283 static void execSetupArtwork(void)
6284 {
6285 #if 0
6286   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6287         artwork.gfx_current->subdir,
6288         artwork.gfx_current->fullpath,
6289         artwork.gfx_current->basepath);
6290 #endif
6291
6292   setup.graphics_set = artwork.gfx_current->identifier;
6293   setup.sounds_set = artwork.snd_current->identifier;
6294   setup.music_set = artwork.mus_current->identifier;
6295
6296   // needed if last screen (setup choice) changed graphics, sounds or music
6297   ReloadCustomArtwork(0);
6298
6299   // needed for displaying artwork name instead of artwork identifier
6300   graphics_set_name = artwork.gfx_current->name;
6301   sounds_set_name = artwork.snd_current->name;
6302   music_set_name = artwork.mus_current->name;
6303
6304   setup_mode = SETUP_MODE_ARTWORK;
6305
6306   DrawSetupScreen();
6307 }
6308
6309 static void execSetupChooseGraphics(void)
6310 {
6311   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6312
6313   DrawSetupScreen();
6314 }
6315
6316 static void execSetupChooseSounds(void)
6317 {
6318   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6319
6320   DrawSetupScreen();
6321 }
6322
6323 static void execSetupChooseMusic(void)
6324 {
6325   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6326
6327   DrawSetupScreen();
6328 }
6329
6330 static void execSetupInput(void)
6331 {
6332   setup_mode = SETUP_MODE_INPUT;
6333
6334   DrawSetupScreen();
6335 }
6336
6337 static void execSetupShortcuts(void)
6338 {
6339   setup_mode = SETUP_MODE_SHORTCUTS;
6340
6341   DrawSetupScreen();
6342 }
6343
6344 static void execSetupShortcuts1(void)
6345 {
6346   setup_mode = SETUP_MODE_SHORTCUTS_1;
6347
6348   DrawSetupScreen();
6349 }
6350
6351 static void execSetupShortcuts2(void)
6352 {
6353   setup_mode = SETUP_MODE_SHORTCUTS_2;
6354
6355   DrawSetupScreen();
6356 }
6357
6358 static void execSetupShortcuts3(void)
6359 {
6360   setup_mode = SETUP_MODE_SHORTCUTS_3;
6361
6362   DrawSetupScreen();
6363 }
6364
6365 static void execSetupShortcuts4(void)
6366 {
6367   setup_mode = SETUP_MODE_SHORTCUTS_4;
6368
6369   DrawSetupScreen();
6370 }
6371
6372 static void execSetupShortcuts5(void)
6373 {
6374   setup_mode = SETUP_MODE_SHORTCUTS_5;
6375
6376   DrawSetupScreen();
6377 }
6378
6379 static void execExitSetup(void)
6380 {
6381   SetGameStatus(GAME_MODE_MAIN);
6382
6383   DrawMainMenu();
6384 }
6385
6386 static void execSaveAndExitSetup(void)
6387 {
6388   SaveSetup();
6389   execExitSetup();
6390 }
6391
6392 static void execGadgetNetworkServer(void)
6393 {
6394   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6395   struct GadgetInfo *gi = screen_gadget[gadget_id];
6396
6397   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6398     network_server_hostname[0] = '\0';
6399
6400   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6401
6402   MapGadget(gi);
6403
6404   ClickOnGadget(gi, MB_LEFTBUTTON);
6405 }
6406
6407 static void ToggleNetworkModeIfNeeded(void)
6408 {
6409   int font_title = FONT_TITLE_1;
6410   int font_foot = FC_BLUE;
6411   int ystart  = mSY - SY + 16;
6412   int ybottom = mSY - SY + SYSIZE - 20;
6413   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6414
6415   if (setup.network_mode == network.enabled)
6416     return;
6417
6418   network.enabled = setup.network_mode;
6419
6420   FadeOut(REDRAW_ALL);
6421
6422   ClearField();
6423
6424   DrawTextSCentered(ystart, font_title, text);
6425
6426   FadeIn(REDRAW_ALL);
6427
6428   if (network.enabled)
6429     InitNetworkServer();
6430   else
6431     DisconnectFromNetworkServer();
6432
6433   DrawTextSCentered(ybottom, font_foot,
6434                     "Press any key or button for setup menu");
6435
6436   WaitForEventToContinue();
6437
6438   DrawSetupScreen();
6439 }
6440
6441 static void ToggleGameSpeedsListIfNeeded(void)
6442 {
6443   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6444
6445   if (setup.game_speed_extended == using_game_speeds_extended)
6446     return;
6447
6448   // try to match similar values when changing game speeds list
6449   if (setup.game_speed_extended)
6450     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6451                               setup.game_frame_delay == 30 ? 29 :
6452                               setup.game_frame_delay);
6453   else
6454     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6455                               setup.game_frame_delay == 16 ? 15 :
6456                               setup.game_frame_delay >= 29 ? 30 :
6457                               setup.game_frame_delay <= 10 ? 10 :
6458                               setup.game_frame_delay);
6459
6460   execSetupGame_setGameSpeeds(TRUE);
6461
6462   DrawSetupScreen();
6463 }
6464
6465 static void ModifyGameSpeedIfNeeded(void)
6466 {
6467   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6468       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6469     return;
6470
6471   char message[100];
6472   char *game_speed_text = "Fast";
6473   int game_speed_value = 15;
6474
6475   if (setup.game_speed_extended)
6476   {
6477     game_speed_text = "60 fps";
6478     game_speed_value = 16;
6479   }
6480
6481   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6482
6483   // set game speed to existing list value that is fast enough for vsync
6484   setup.game_frame_delay = game_speed_value;
6485
6486   execSetupGame_setGameSpeeds(TRUE);
6487
6488   Request(message, REQ_CONFIRM);
6489 }
6490
6491 static void DisableVsyncIfNeeded(void)
6492 {
6493   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6494       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6495        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6496     return;
6497
6498   // disable vsync for the selected game speed to work
6499   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6500
6501   execSetupGraphics_setVsyncModes(TRUE);
6502
6503   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6504 }
6505
6506 static struct
6507 {
6508   void *value;
6509   void *related_value;
6510 } hide_related_entry_list[] =
6511 {
6512   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6513   { &setup.game_frame_delay,            &game_speed_text                },
6514
6515   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6516   { &setup.scroll_delay_value,          &scroll_delay_text              },
6517
6518   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6519   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6520
6521   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6522   { &setup.window_scaling_percent,      &window_size_text               },
6523
6524   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6525   { &setup.window_scaling_quality,      &scaling_type_text              },
6526
6527   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6528   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6529
6530   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6531   { &setup.vsync_mode,                  &vsync_mode_text                },
6532
6533   { &setup.graphics_set,                execSetupChooseGraphics         },
6534   { &setup.graphics_set,                &graphics_set_name              },
6535
6536   { &setup.sounds_set,                  execSetupChooseSounds           },
6537   { &setup.sounds_set,                  &sounds_set_name                },
6538
6539   { &setup.music_set,                   execSetupChooseMusic            },
6540   { &setup.music_set,                   &music_set_name                 },
6541
6542   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6543   { &setup.volume_simple,               &volume_simple_text             },
6544
6545   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6546   { &setup.volume_loops,                &volume_loops_text              },
6547
6548   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6549   { &setup.volume_music,                &volume_music_text              },
6550
6551   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6552   { &setup.touch.control_type,          &touch_controls_text            },
6553
6554   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6555   { &setup.touch.move_distance,         &move_distance_text             },
6556
6557   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6558   { &setup.touch.drop_distance,         &drop_distance_text             },
6559
6560   { &setup.touch.transparency,          execSetupChooseTransparency     },
6561   { &setup.touch.transparency,          &transparency_text              },
6562
6563   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6564   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6565
6566   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6567   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6568
6569   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6570   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6571
6572   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6573   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6574
6575   { &setup.internal.menu_game,          execSetupGame                   },
6576   { &setup.internal.menu_engines,       execSetupEngines                },
6577   { &setup.internal.menu_editor,        execSetupEditor                 },
6578   { &setup.internal.menu_graphics,      execSetupGraphics               },
6579   { &setup.internal.menu_sound,         execSetupSound                  },
6580   { &setup.internal.menu_artwork,       execSetupArtwork                },
6581   { &setup.internal.menu_input,         execSetupInput                  },
6582   { &setup.internal.menu_touch,         execSetupTouch                  },
6583   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6584   { &setup.internal.menu_exit,          execExitSetup                   },
6585   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6586
6587   { NULL,                               NULL                            }
6588 };
6589
6590 void setHideRelatedSetupEntries(void)
6591 {
6592   int i;
6593
6594   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6595     if (hideSetupEntry(hide_related_entry_list[i].value))
6596       setHideSetupEntry(hide_related_entry_list[i].related_value);
6597 }
6598
6599 static struct TokenInfo setup_info_main[] =
6600 {
6601   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6602   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6603   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6604   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6605   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6606   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6607   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6608   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6609   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6610   { TYPE_EMPTY,         NULL,                   ""                      },
6611   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6612   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6613
6614   { 0,                  NULL,                   NULL                    }
6615 };
6616
6617 static struct TokenInfo setup_info_game[] =
6618 {
6619   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6620   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6621   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6622   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6623   { TYPE_STRING,        &network_server_text,   ""                      },
6624   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6625   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6626   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6627   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6628   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6629   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6630   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6631   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6632   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6633   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6634   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6635   { TYPE_STRING,        &game_speed_text,       ""                      },
6636   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6637 #if 1
6638   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6639   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6640 #endif
6641   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6642   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6643   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6644   { TYPE_EMPTY,         NULL,                   ""                      },
6645   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6646
6647   { 0,                  NULL,                   NULL                    }
6648 };
6649
6650 static struct TokenInfo setup_info_engines[] =
6651 {
6652   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6653   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6654   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6655   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6656   { TYPE_EMPTY,         NULL,                   ""                      },
6657   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6658   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6659   { TYPE_EMPTY,         NULL,                   ""                      },
6660   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6661
6662   { 0,                  NULL,                   NULL                    }
6663 };
6664
6665 static struct TokenInfo setup_info_editor[] =
6666 {
6667 #if 0
6668   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6669   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6670   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6671   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6672   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6673   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6674   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6675   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6676   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6677   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6678 #endif
6679   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6680   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6681 #if 0
6682   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6683 #endif
6684   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6685   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6686   { TYPE_EMPTY,         NULL,                   ""                      },
6687 #if 0
6688   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6689   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6690   { TYPE_EMPTY,         NULL,                   ""                      },
6691 #endif
6692   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6693   { TYPE_EMPTY,         NULL,                   ""                      },
6694   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6695
6696   { 0,                  NULL,                   NULL                    }
6697 };
6698
6699 static struct TokenInfo setup_info_graphics[] =
6700 {
6701 #if !defined(PLATFORM_ANDROID)
6702   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6703   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6704   { TYPE_STRING,        &window_size_text,      ""                      },
6705   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6706   { TYPE_STRING,        &scaling_type_text,     ""                      },
6707   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6708   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6709 #endif
6710 #if 0
6711   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6712   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6713 #endif
6714   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6715   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6716   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6717   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6718   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6719   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6720   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6721   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6722   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6723   { TYPE_EMPTY,         NULL,                   ""                      },
6724   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6725
6726   { 0,                  NULL,                   NULL                    }
6727 };
6728
6729 static struct TokenInfo setup_info_sound[] =
6730 {
6731   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6732   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6733   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6734   { TYPE_EMPTY,         NULL,                   ""                      },
6735   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6736   { TYPE_STRING,        &volume_simple_text,    ""                      },
6737   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6738   { TYPE_STRING,        &volume_loops_text,     ""                      },
6739   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6740   { TYPE_STRING,        &volume_music_text,     ""                      },
6741   { TYPE_EMPTY,         NULL,                   ""                      },
6742   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6743
6744   { 0,                  NULL,                   NULL                    }
6745 };
6746
6747 static struct TokenInfo setup_info_artwork[] =
6748 {
6749   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6750   { TYPE_STRING,        &graphics_set_name,     ""                      },
6751   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6752   { TYPE_STRING,        &sounds_set_name,       ""                      },
6753   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6754   { TYPE_STRING,        &music_set_name,        ""                      },
6755   { TYPE_EMPTY,         NULL,                   ""                      },
6756   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6757   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6758   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6759   { TYPE_EMPTY,         NULL,                   ""                      },
6760   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6761
6762   { 0,                  NULL,                   NULL                    }
6763 };
6764
6765 static struct TokenInfo setup_info_input[] =
6766 {
6767   { TYPE_SWITCH,        NULL,                   "Player:"               },
6768   { TYPE_SWITCH,        NULL,                   "Device:"               },
6769   { TYPE_SWITCH,        NULL,                   ""                      },
6770   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6771   { TYPE_EMPTY,         NULL,                   ""                      },
6772   { TYPE_EMPTY,         NULL,                   ""                      },
6773   { TYPE_EMPTY,         NULL,                   ""                      },
6774   { TYPE_EMPTY,         NULL,                   ""                      },
6775   { TYPE_EMPTY,         NULL,                   ""                      },
6776   { TYPE_EMPTY,         NULL,                   ""                      },
6777   { TYPE_EMPTY,         NULL,                   ""                      },
6778   { TYPE_EMPTY,         NULL,                   ""                      },
6779   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6780   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6781
6782   { 0,                  NULL,                   NULL                    }
6783 };
6784
6785 static struct TokenInfo setup_info_touch[] =
6786 {
6787   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6788   { TYPE_STRING,        &touch_controls_text,   ""                      },
6789   { TYPE_EMPTY,         NULL,                   ""                      },
6790   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6791
6792   { 0,                  NULL,                   NULL                    }
6793 };
6794
6795 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6796 {
6797   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6798   { TYPE_STRING,        &touch_controls_text,   ""                      },
6799   { TYPE_EMPTY,         NULL,                   ""                      },
6800   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6801   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6802   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6803   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6804   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6805   { TYPE_STRING,        &transparency_text,     ""                      },
6806   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6807   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6808   { TYPE_EMPTY,         NULL,                   ""                      },
6809   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6810   { TYPE_EMPTY,         NULL,                   ""                      },
6811   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6812
6813   { 0,                  NULL,                   NULL                    }
6814 };
6815
6816 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6817 {
6818   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6819   { TYPE_STRING,        &touch_controls_text,   ""                      },
6820   { TYPE_EMPTY,         NULL,                   ""                      },
6821   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6822   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6823   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6824   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6825   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6826   { TYPE_STRING,        &transparency_text,     ""                      },
6827   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6828   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6829   { TYPE_EMPTY,         NULL,                   ""                      },
6830   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6831   { TYPE_EMPTY,         NULL,                   ""                      },
6832   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6833
6834   { 0,                  NULL,                   NULL                    }
6835 };
6836
6837 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6838 {
6839   setup_info_touch_virtual_buttons_0,
6840   setup_info_touch_virtual_buttons_1
6841 };
6842
6843 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6844 {
6845   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6846   { TYPE_STRING,        &touch_controls_text,   ""                      },
6847   { TYPE_EMPTY,         NULL,                   ""                      },
6848   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6849   { TYPE_STRING,        &move_distance_text,    ""                      },
6850   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6851   { TYPE_STRING,        &drop_distance_text,    ""                      },
6852   { TYPE_EMPTY,         NULL,                   ""                      },
6853   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6854
6855   { 0,                  NULL,                   NULL                    }
6856 };
6857
6858 static struct TokenInfo setup_info_shortcuts[] =
6859 {
6860   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6861   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6862   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6863   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6864   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6865   { TYPE_EMPTY,         NULL,                   ""                      },
6866   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6867
6868   { 0,                  NULL,                   NULL                    }
6869 };
6870
6871 static struct TokenInfo setup_info_shortcuts_1[] =
6872 {
6873   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6874   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6875   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6876   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6877   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6878   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6879   { TYPE_EMPTY,         NULL,                   ""                      },
6880   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6881   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6882   { TYPE_EMPTY,         NULL,                   ""                      },
6883   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6884
6885   { 0,                  NULL,                   NULL                    }
6886 };
6887
6888 static struct TokenInfo setup_info_shortcuts_2[] =
6889 {
6890   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6891   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6892   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6893   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6894   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6895   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6896   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6897   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6898   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6899   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6900   { TYPE_EMPTY,         NULL,                   ""                      },
6901   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6902
6903   { 0,                  NULL,                   NULL                    }
6904 };
6905
6906 static struct TokenInfo setup_info_shortcuts_3[] =
6907 {
6908   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6909   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6910   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6911   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6912   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6913   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6914   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6915   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6916   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6917   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6918   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6919   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6920   { TYPE_EMPTY,         NULL,                   ""                      },
6921   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6922
6923   { 0,                  NULL,                   NULL                    }
6924 };
6925
6926 static struct TokenInfo setup_info_shortcuts_4[] =
6927 {
6928   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6929   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6930   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6931   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6932   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6933   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6934   { TYPE_EMPTY,         NULL,                   ""                      },
6935   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6936
6937   { 0,                  NULL,                   NULL                    }
6938 };
6939
6940 static struct TokenInfo setup_info_shortcuts_5[] =
6941 {
6942   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6943   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6944   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6945   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6946   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6947   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6948   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6949   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6950   { TYPE_EMPTY,         NULL,                   ""                      },
6951   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6952
6953   { 0,                  NULL,                   NULL                    }
6954 };
6955
6956 static Key getSetupKey(void)
6957 {
6958   Key key = KSYM_UNDEFINED;
6959   boolean got_key_event = FALSE;
6960
6961   while (!got_key_event)
6962   {
6963     Event event;
6964
6965     if (NextValidEvent(&event))
6966     {
6967       switch (event.type)
6968       {
6969         case EVENT_KEYPRESS:
6970           {
6971             key = GetEventKey((KeyEvent *)&event, TRUE);
6972
6973             // press 'Escape' or 'Enter' to keep the existing key binding
6974             if (key == KSYM_Escape || key == KSYM_Return)
6975               key = KSYM_UNDEFINED;     // keep old value
6976
6977             got_key_event = TRUE;
6978           }
6979           break;
6980
6981         case EVENT_KEYRELEASE:
6982           key_joystick_mapping = 0;
6983           break;
6984
6985         default:
6986           HandleOtherEvents(&event);
6987           break;
6988       }
6989     }
6990
6991     BackToFront();
6992   }
6993
6994   return key;
6995 }
6996
6997 static int getSetupValueFont(int type, void *value)
6998 {
6999   if (type & TYPE_GHOSTED)
7000     return FONT_OPTION_OFF;
7001   else if (type & TYPE_KEY)
7002     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7003   else if (type & TYPE_STRING)
7004     return FONT_VALUE_2;
7005   else if (type & TYPE_ECS_AGA)
7006     return FONT_VALUE_1;
7007   else if (type & TYPE_BOOLEAN_STYLE)
7008     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7009   else if (type & TYPE_YES_NO_AUTO)
7010     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7011             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7012   else if (type & TYPE_PLAYER)
7013     return FONT_VALUE_1;
7014   else
7015     return FONT_VALUE_1;
7016 }
7017
7018 static int getSetupValueFontNarrow(int type, int font_nr)
7019 {
7020   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7021           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7022           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7023           font_nr);
7024 }
7025
7026 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7027 {
7028   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7029   struct TokenInfo *si = &setup_info[si_pos];
7030   boolean font_draw_xoffset_modified = FALSE;
7031   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7032   int font_draw_xoffset_old = -1;
7033   int xoffset = (scrollbar_needed ? -1 : 0);
7034   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7035   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7036   int xpos = menu_screen_value_xpos;
7037   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7038   int startx = mSX + xpos * 32;
7039   int starty = mSY + ypos * 32;
7040   int type = si->type;
7041   void *value = si->value;
7042   char *value_string = getSetupValue(type, value);
7043   int font_nr_default = getSetupValueFont(type, value);
7044   int font_width_default = getFontWidth(font_nr_default);
7045   int font_nr = font_nr_default;
7046   int i;
7047
7048   if (value_string == NULL)
7049     return;
7050
7051   if (type & TYPE_KEY)
7052   {
7053     xpos = MENU_SCREEN_START_XPOS;
7054
7055     if (type & TYPE_QUERY)
7056       value_string = "<press key>";
7057   }
7058   else if (type & TYPE_STRING)
7059   {
7060     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7061
7062     xpos = MENU_SCREEN_START_XPOS;
7063
7064     if (strlen(value_string) > max_value_len)
7065       value_string[max_value_len] = '\0';
7066   }
7067   else if (type & TYPE_YES_NO_AUTO)
7068   {
7069     xpos = menu_screen_value_xpos - 1;
7070   }
7071   else if (type & TYPE_PLAYER)
7072   {
7073     int displayed_player_nr = *(int *)value + 1;
7074
7075     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7076   }
7077
7078   startx = mSX + xpos * 32;
7079   starty = mSY + ypos * 32;
7080
7081   // special check if right-side setup values moved left due to scrollbar
7082   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7083   {
7084     int max_menu_text_length = 26;      // maximum text length for classic menu
7085     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7086     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7087     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7088     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7089     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7090
7091     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7092     {
7093       // when using narrow font, left-shifting text "auto" not needed
7094       if (type & TYPE_YES_NO_AUTO)
7095         xpos += 1;
7096
7097       xpos += 1;
7098       startx = mSX + xpos * 32;
7099
7100       font_nr = getSetupValueFontNarrow(type, font_nr);
7101     }
7102   }
7103
7104   // downward compatibility correction for Juergen Bonhagen's menu settings
7105   if (setup_mode != SETUP_MODE_INPUT)
7106   {
7107     int max_menu_text_length_big = (menu_screen_value_xpos -
7108                                     MENU_SCREEN_START_XPOS);
7109     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7110     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7111     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7112     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7113     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7114     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7115     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7116     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7117     boolean correct_font_draw_xoffset = FALSE;
7118
7119     if (xpos == MENU_SCREEN_START_XPOS &&
7120         startx + font1_xoffset < text_startx + text_font_xoffset)
7121       correct_font_draw_xoffset = TRUE;
7122
7123     if (xpos == menu_screen_value_xpos &&
7124         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7125       correct_font_draw_xoffset = TRUE;
7126
7127     // check if setup value would overlap with setup text when printed
7128     // (this can happen for extreme/wrong values for font draw offset)
7129     if (correct_font_draw_xoffset)
7130     {
7131       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7132       font_draw_xoffset_modified = TRUE;
7133
7134       if (type & TYPE_KEY)
7135         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7136       else if (!(type & TYPE_STRING))
7137         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7138           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7139     }
7140   }
7141
7142   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7143     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7144
7145   DrawText(startx, starty, value_string, font_nr);
7146
7147   if (type & TYPE_PLAYER)
7148   {
7149     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7150     int player_nr = *(int *)value;
7151     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7152     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7153     int startx2 = startx + xoff;
7154     int starty2 = starty + yoff;
7155
7156     if (DrawingOnBackground(startx2, starty2))
7157       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7158
7159     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7160                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7161   }
7162
7163   if (font_draw_xoffset_modified)
7164     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7165 }
7166
7167 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7168 {
7169   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7170   struct TokenInfo *si = &setup_info[si_pos];
7171
7172   if (si->type & TYPE_BOOLEAN_STYLE)
7173   {
7174     *(boolean *)si->value ^= TRUE;
7175   }
7176   else if (si->type & TYPE_YES_NO_AUTO)
7177   {
7178     *(int *)si->value =
7179       (dx == -1 ?
7180        (*(int *)si->value == AUTO ? TRUE :
7181         *(int *)si->value == TRUE ? FALSE : AUTO) :
7182        (*(int *)si->value == TRUE ? AUTO :
7183         *(int *)si->value == AUTO ? FALSE : TRUE));
7184   }
7185   else if (si->type & TYPE_KEY)
7186   {
7187     Key key;
7188
7189     si->type |= TYPE_QUERY;
7190     drawSetupValue(screen_pos, setup_info_pos_raw);
7191     si->type &= ~TYPE_QUERY;
7192
7193     key = getSetupKey();
7194     if (key != KSYM_UNDEFINED)
7195       *(Key *)si->value = key;
7196   }
7197   else if (si->type & TYPE_PLAYER)
7198   {
7199     int player_nr = *(int *)si->value;
7200
7201     if (dx)
7202       player_nr += dx;
7203     else
7204       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7205
7206     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7207   }
7208
7209   drawSetupValue(screen_pos, setup_info_pos_raw);
7210
7211   // fullscreen state may have changed at this point
7212   if (si->value == &setup.fullscreen)
7213     ToggleFullscreenIfNeeded();
7214
7215   // network mode may have changed at this point
7216   if (si->value == &setup.network_mode)
7217     ToggleNetworkModeIfNeeded();
7218
7219   // game speed list may have changed at this point
7220   if (si->value == &setup.game_speed_extended)
7221     ToggleGameSpeedsListIfNeeded();
7222 }
7223
7224 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7225 {
7226   static struct TokenInfo *setup_info_final = NULL;
7227   int list_size = 0;
7228   int list_pos = 0;
7229   int i;
7230
7231   // determine maximum list size of target list
7232   while (setup_info_orig[list_size++].type != 0);
7233
7234   // free, allocate and clear memory for target list
7235   checked_free(setup_info_final);
7236   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7237
7238   // copy setup info list without setup entries marked as hidden
7239   for (i = 0; setup_info_orig[i].type != 0; i++)
7240   {
7241     // skip setup entries configured to be hidden
7242     if (hideSetupEntry(setup_info_orig[i].value))
7243       continue;
7244
7245     // skip skippable setup entries if screen is lower than usual
7246     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7247         setup_info_orig[i].type == TYPE_SKIPPABLE)
7248       continue;
7249
7250     setup_info_final[list_pos++] = setup_info_orig[i];
7251   }
7252
7253   return setup_info_final;
7254 }
7255
7256 static void DrawSetupScreen_Generic(void)
7257 {
7258   int fade_mask = REDRAW_FIELD;
7259   boolean redraw_all = FALSE;
7260   char *title_string = NULL;
7261   int i;
7262
7263   if (CheckFadeAll())
7264     fade_mask = REDRAW_ALL;
7265
7266   UnmapAllGadgets();
7267   FadeMenuSoundsAndMusic();
7268
7269   FreeScreenGadgets();
7270   CreateScreenGadgets();
7271
7272   if (redraw_mask & REDRAW_ALL)
7273     redraw_all = TRUE;
7274
7275   FadeOut(fade_mask);
7276
7277   // needed if different viewport properties defined for setup screen
7278   ChangeViewportPropertiesIfNeeded();
7279
7280   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7281
7282   ClearField();
7283
7284   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7285
7286   if (setup_mode == SETUP_MODE_MAIN)
7287   {
7288     setup_info = setup_info_main;
7289     title_string = STR_SETUP_MAIN;
7290   }
7291   else if (setup_mode == SETUP_MODE_GAME)
7292   {
7293     setup_info = setup_info_game;
7294     title_string = STR_SETUP_GAME;
7295   }
7296   else if (setup_mode == SETUP_MODE_ENGINES)
7297   {
7298     setup_info = setup_info_engines;
7299     title_string = STR_SETUP_ENGINES;
7300   }
7301   else if (setup_mode == SETUP_MODE_EDITOR)
7302   {
7303     setup_info = setup_info_editor;
7304     title_string = STR_SETUP_EDITOR;
7305   }
7306   else if (setup_mode == SETUP_MODE_GRAPHICS)
7307   {
7308     setup_info = setup_info_graphics;
7309     title_string = STR_SETUP_GRAPHICS;
7310   }
7311   else if (setup_mode == SETUP_MODE_SOUND)
7312   {
7313     setup_info = setup_info_sound;
7314     title_string = STR_SETUP_SOUND;
7315   }
7316   else if (setup_mode == SETUP_MODE_ARTWORK)
7317   {
7318     setup_info = setup_info_artwork;
7319     title_string = STR_SETUP_ARTWORK;
7320   }
7321   else if (setup_mode == SETUP_MODE_TOUCH)
7322   {
7323     setup_info = setup_info_touch;
7324     title_string = STR_SETUP_TOUCH;
7325
7326     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7327       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7328     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7329       setup_info = setup_info_touch_wipe_gestures;
7330   }
7331   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7332   {
7333     setup_info = setup_info_shortcuts;
7334     title_string = STR_SETUP_SHORTCUTS;
7335   }
7336   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7337   {
7338     setup_info = setup_info_shortcuts_1;
7339     title_string = STR_SETUP_SHORTCUTS;
7340   }
7341   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7342   {
7343     setup_info = setup_info_shortcuts_2;
7344     title_string = STR_SETUP_SHORTCUTS;
7345   }
7346   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7347   {
7348     setup_info = setup_info_shortcuts_3;
7349     title_string = STR_SETUP_SHORTCUTS;
7350   }
7351   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7352   {
7353     setup_info = setup_info_shortcuts_4;
7354     title_string = STR_SETUP_SHORTCUTS;
7355   }
7356   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7357   {
7358     setup_info = setup_info_shortcuts_5;
7359     title_string = STR_SETUP_SHORTCUTS;
7360   }
7361
7362   // use modified setup info without setup entries marked as hidden
7363   setup_info = getSetupInfoFinal(setup_info);
7364
7365   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7366
7367   // determine maximal number of setup entries that can be displayed on screen
7368   num_setup_info = 0;
7369   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7370     num_setup_info++;
7371
7372   // determine maximal number of setup entries available for this setup screen
7373   max_setup_info = 0;
7374   for (i = 0; setup_info[i].type != 0; i++)
7375     max_setup_info++;
7376
7377   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7378
7379   MapScreenGadgets(max_setup_info);
7380
7381   if (redraw_all)
7382     redraw_mask = fade_mask = REDRAW_ALL;
7383
7384   DrawMaskedBorder(fade_mask);
7385
7386   FadeIn(fade_mask);
7387 }
7388
7389 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7390 {
7391   menu_info = setup_info;
7392
7393   HandleMenuScreen(mx, my, dx, dy, button,
7394                    setup_mode, num_setup_info, max_setup_info);
7395 }
7396
7397 static void DrawSetupScreen_Input(void)
7398 {
7399   int i;
7400
7401   FadeOut(REDRAW_FIELD);
7402
7403   ClearField();
7404
7405   setup_info = getSetupInfoFinal(setup_info_input);
7406
7407   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7408
7409   for (i = 0; setup_info[i].type != 0; i++)
7410   {
7411     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7412       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7413     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7414       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7415     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7416       initCursor(i, IMG_MENU_BUTTON);
7417
7418     DrawCursorAndText_Setup(i, -1, FALSE);
7419   }
7420
7421   // create gadgets for setup input menu screen
7422   FreeScreenGadgets();
7423   CreateScreenGadgets();
7424
7425   // map gadgets for setup input menu screen
7426   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7427
7428   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7429
7430   FadeIn(REDRAW_FIELD);
7431 }
7432
7433 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7434 {
7435   if (device_name == NULL)
7436     return;
7437
7438   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7439     device_nr = 0;
7440
7441   if (strlen(device_name) > 1)
7442   {
7443     char c1 = device_name[strlen(device_name) - 1];
7444     char c2 = device_name[strlen(device_name) - 2];
7445
7446     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7447       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7448   }
7449   else
7450     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7451             strlen(device_name));
7452 }
7453
7454 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7455 {
7456   int i;
7457   static struct SetupKeyboardInfo custom_key;
7458   static struct
7459   {
7460     Key *key;
7461     char *text;
7462   } custom[] =
7463   {
7464     { &custom_key.left,  "Axis/Pad Left"  },
7465     { &custom_key.right, "Axis/Pad Right" },
7466     { &custom_key.up,    "Axis/Pad Up"    },
7467     { &custom_key.down,  "Axis/Pad Down"  },
7468     { &custom_key.snap,  "Button 1/A/X"   },
7469     { &custom_key.drop,  "Button 2/B/Y"   }
7470   };
7471   static char *joystick_name[MAX_PLAYERS] =
7472   {
7473     "Joystick1",
7474     "Joystick2",
7475     "Joystick3",
7476     "Joystick4"
7477   };
7478   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7479   int font_nr_info = FONT_MENU_1;
7480   int font_nr_name = FONT_VALUE_OLD;
7481   int font_nr_on   = FONT_VALUE_1;
7482   int font_nr_off  = FONT_VALUE_OLD;
7483   int pos = 4;
7484
7485   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7486   {
7487     font_nr_info = FONT_MENU_2;
7488     font_nr_on   = FONT_VALUE_NARROW;
7489     font_nr_off  = FONT_VALUE_OLD_NARROW;
7490   }
7491
7492   custom_key = setup.input[player_nr].key;
7493
7494   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7495            FONT_INPUT_1_ACTIVE);
7496
7497   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7498                              TILEX, TILEY);
7499   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7500                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7501
7502   if (setup.input[player_nr].use_joystick)
7503   {
7504     char *device_name = setup.input[player_nr].joy.device_name;
7505     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7506     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7507     char *text = joystick_name[joystick_nr];
7508     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7509
7510     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7511     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7512   }
7513   else
7514   {
7515     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7516     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7517   }
7518
7519   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7520     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7521   else
7522     pos = 3;
7523
7524   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7525   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7526   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7527   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7528
7529   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7530   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7531   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7532   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7533   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7534   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7535
7536   for (i = 0; i < 6; i++)
7537   {
7538     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7539
7540     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7541              "              ", font_nr_on);
7542     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7543              (setup.input[player_nr].use_joystick ?
7544               custom[i].text :
7545               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7546   }
7547 }
7548
7549 static int input_player_nr = 0;
7550
7551 static void HandleSetupScreen_Input_Player(int step, int direction)
7552 {
7553   int old_player_nr = input_player_nr;
7554   int new_player_nr;
7555
7556   new_player_nr = old_player_nr + step * direction;
7557   if (new_player_nr < 0)
7558     new_player_nr = 0;
7559   if (new_player_nr > MAX_PLAYERS - 1)
7560     new_player_nr = MAX_PLAYERS - 1;
7561
7562   if (new_player_nr != old_player_nr)
7563   {
7564     input_player_nr = new_player_nr;
7565
7566     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7567   }
7568 }
7569
7570 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7571 {
7572   static int choice = 0;
7573   int x = 0;
7574   int y = choice;
7575   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7576   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7577   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7578   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7579
7580   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7581   {
7582     int i;
7583
7584     for (i = 0; setup_info_input[i].type != 0; i++)
7585     {
7586       // adjust menu structure according to skipped setup entries
7587       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7588       {
7589         pos_empty2--;
7590         pos_end--;
7591       }
7592     }
7593   }
7594
7595   if (button == MB_MENU_INITIALIZE)
7596   {
7597     // input setup menu may have changed size due to graphics configuration
7598     if (choice >= pos_empty1)
7599       choice = pos_end;
7600
7601     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7602
7603     DrawCursorAndText_Setup(choice, -1, TRUE);
7604
7605     return;
7606   }
7607   else if (button == MB_MENU_LEAVE)
7608   {
7609     setup_mode = SETUP_MODE_MAIN;
7610     DrawSetupScreen();
7611     InitJoysticks();
7612
7613     return;
7614   }
7615
7616   if (mx || my)         // mouse input
7617   {
7618     x = (mx - mSX) / 32;
7619     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7620   }
7621   else if (dx || dy)    // keyboard input
7622   {
7623     if (dx && choice == 0)
7624       x = (dx < 0 ? 10 : 12);
7625     else if ((dx && choice == 1) ||
7626              (dx == -1 && choice == pos_end))
7627       button = MB_MENU_CHOICE;
7628     else if (dy)
7629       y = choice + dy;
7630
7631     if (y >= pos_empty1 && y <= pos_empty2)
7632       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7633   }
7634
7635   if (y == 0 && dx != 0 && button)
7636   {
7637     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7638   }
7639   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7640            y >= pos_start && y <= pos_end &&
7641            !(y >= pos_empty1 && y <= pos_empty2))
7642   {
7643     if (button)
7644     {
7645       if (y != choice)
7646       {
7647         DrawCursorAndText_Setup(choice, -1, FALSE);
7648         DrawCursorAndText_Setup(y, -1, TRUE);
7649
7650         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7651
7652         choice = y;
7653       }
7654     }
7655     else
7656     {
7657       if (y == 1)
7658       {
7659         char *device_name = setup.input[input_player_nr].joy.device_name;
7660
7661         if (!setup.input[input_player_nr].use_joystick)
7662         {
7663           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7664
7665           setJoystickDeviceToNr(device_name, new_device_nr);
7666           setup.input[input_player_nr].use_joystick = TRUE;
7667         }
7668         else
7669         {
7670           int device_nr = getJoystickNrFromDeviceName(device_name);
7671           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7672
7673           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7674             setup.input[input_player_nr].use_joystick = FALSE;
7675           else
7676             setJoystickDeviceToNr(device_name, new_device_nr);
7677         }
7678
7679         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7680       }
7681       else if (y == 2)
7682       {
7683         if (setup.input[input_player_nr].use_joystick)
7684           ConfigureJoystick(input_player_nr);
7685         else
7686           CustomizeKeyboard(input_player_nr);
7687       }
7688       else if (y == pos_end)
7689       {
7690         InitJoysticks();
7691
7692         FadeSetLeaveMenu();
7693
7694         setup_mode = SETUP_MODE_MAIN;
7695         DrawSetupScreen();
7696       }
7697     }
7698   }
7699 }
7700
7701 static boolean CustomizeKeyboardMain(int player_nr)
7702 {
7703   int i;
7704   int step_nr;
7705   boolean finished = FALSE;
7706   static struct SetupKeyboardInfo custom_key;
7707   static struct
7708   {
7709     Key *key;
7710     char *text;
7711   } customize_step[] =
7712   {
7713     { &custom_key.left,  "Move Left"    },
7714     { &custom_key.right, "Move Right"   },
7715     { &custom_key.up,    "Move Up"      },
7716     { &custom_key.down,  "Move Down"    },
7717     { &custom_key.snap,  "Snap Field"   },
7718     { &custom_key.drop,  "Drop Element" }
7719   };
7720   int font_nr_old = FONT_VALUE_OLD;
7721   int font_nr_new = FONT_VALUE_1;
7722   boolean success = FALSE;
7723
7724   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7725   {
7726     font_nr_old = FONT_VALUE_OLD_NARROW;
7727     font_nr_new = FONT_VALUE_NARROW;
7728   }
7729
7730   // read existing key bindings from player setup
7731   custom_key = setup.input[player_nr].key;
7732
7733   FadeSetEnterMenu();
7734   FadeOut(REDRAW_FIELD);
7735
7736   ClearField();
7737
7738   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7739
7740   step_nr = 0;
7741   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7742            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7743   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7744            "Key:", FONT_INPUT_1_ACTIVE);
7745   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7746            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7747
7748   FadeIn(REDRAW_FIELD);
7749
7750   while (!finished)
7751   {
7752     Event event;
7753
7754     if (NextValidEvent(&event))
7755     {
7756       switch (event.type)
7757       {
7758         case EVENT_KEYPRESS:
7759           {
7760             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7761
7762             // press 'Escape' to abort and keep the old key bindings
7763             if (key == KSYM_Escape)
7764             {
7765               FadeSkipNextFadeIn();
7766
7767               finished = TRUE;
7768
7769               break;
7770             }
7771
7772             // press 'Enter' to keep the existing key binding
7773             if (key == KSYM_Return)
7774               key = *customize_step[step_nr].key;
7775
7776             // check if key already used
7777             for (i = 0; i < step_nr; i++)
7778               if (*customize_step[i].key == key)
7779                 break;
7780             if (i < step_nr)
7781               break;
7782
7783             // got new key binding
7784             *customize_step[step_nr].key = key;
7785             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7786                      "             ", font_nr_new);
7787             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7788                      getKeyNameFromKey(key), font_nr_new);
7789             step_nr++;
7790
7791             // un-highlight last query
7792             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7793                      customize_step[step_nr - 1].text, FONT_MENU_1);
7794             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7795                      "Key:", FONT_MENU_1);
7796
7797             // all keys configured
7798             if (step_nr == 6)
7799             {
7800               finished = TRUE;
7801               success = TRUE;
7802
7803               break;
7804             }
7805
7806             // query next key binding
7807             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7808                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7809             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7810                      "Key:", FONT_INPUT_1_ACTIVE);
7811             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7812                      getKeyNameFromKey(*customize_step[step_nr].key),
7813                      font_nr_old);
7814           }
7815           break;
7816
7817         case EVENT_KEYRELEASE:
7818           key_joystick_mapping = 0;
7819           break;
7820
7821         default:
7822           HandleOtherEvents(&event);
7823           break;
7824       }
7825     }
7826
7827     BackToFront();
7828   }
7829
7830   // write new key bindings back to player setup, if successfully finished
7831   if (success)
7832     setup.input[player_nr].key = custom_key;
7833
7834   return success;
7835 }
7836
7837 void CustomizeKeyboard(int player_nr)
7838 {
7839   boolean success = CustomizeKeyboardMain(player_nr);
7840
7841   if (success)
7842   {
7843     int font_nr = FONT_TITLE_1;
7844     int font_height = getFontHeight(font_nr);
7845     int ypos1 = SYSIZE / 2 - font_height * 2;
7846     int ypos2 = SYSIZE / 2 - font_height * 1;
7847     unsigned int wait_frame_delay = 0;
7848     unsigned int wait_frame_delay_value = 2000;
7849
7850     ResetDelayCounter(&wait_frame_delay);
7851
7852     ClearField();
7853
7854     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7855     DrawTextSCentered(ypos2, font_nr, "configured!");
7856
7857     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7858       BackToFront();
7859
7860     ClearEventQueue();
7861   }
7862
7863   DrawSetupScreen_Input();
7864 }
7865
7866 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7867
7868 #define MARKER_BUTTON           1
7869 #define MARKER_AXIS_X           2
7870 #define MARKER_AXIS_Y           3
7871
7872 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7873 {
7874   static boolean bitmaps_initialized = FALSE;
7875   boolean screen_initialized = FALSE;
7876   static Bitmap *controller, *button, *axis_x, *axis_y;
7877   char *name;
7878   boolean success = TRUE;
7879   boolean done = FALSE, next = FALSE;
7880   Event event;
7881   int alpha = 200, alpha_step = -1;
7882   int alpha_ticks = 0;
7883   char mapping[4096], temp[256];
7884   int font_name = MENU_SETUP_FONT_TITLE;
7885   int font_info = MENU_SETUP_FONT_TEXT;
7886   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7887   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7888   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7889   int ystep_name = getMenuTextStep(spacing_name, font_name);
7890   int ystep_line = getMenuTextStep(spacing_line, font_info);
7891   int ystep_para = getMenuTextStep(spacing_para, font_info);
7892   int i, j;
7893
7894   struct
7895   {
7896     int x, y;
7897     int marker;
7898     char *field;
7899     int axis, button, hat, hat_value;
7900     char mapping[4096];
7901   }
7902   *step, *prev_step, steps[] =
7903   {
7904     { 356, 155, MARKER_BUTTON, "a",             },
7905     { 396, 122, MARKER_BUTTON, "b",             },
7906     { 320, 125, MARKER_BUTTON, "x",             },
7907     { 358,  95, MARKER_BUTTON, "y",             },
7908     { 162, 125, MARKER_BUTTON, "back",          },
7909     { 216, 125, MARKER_BUTTON, "guide",         },
7910     { 271, 125, MARKER_BUTTON, "start",         },
7911     { 110, 200, MARKER_BUTTON, "dpleft",        },
7912     { 146, 228, MARKER_BUTTON, "dpdown",        },
7913     { 178, 200, MARKER_BUTTON, "dpright",       },
7914     { 146, 172, MARKER_BUTTON, "dpup",          },
7915     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7916     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7917     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7918     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7919     {  73, 141, MARKER_BUTTON, "leftstick",     },
7920     { 282, 210, MARKER_BUTTON, "rightstick",    },
7921     {  73, 141, MARKER_AXIS_X, "leftx",         },
7922     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7923     { 282, 210, MARKER_AXIS_X, "rightx",        },
7924     { 282, 210, MARKER_AXIS_Y, "righty",        },
7925   };
7926
7927   unsigned int event_frame_delay = 0;
7928   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7929
7930   ResetDelayCounter(&event_frame_delay);
7931
7932   if (!bitmaps_initialized)
7933   {
7934     controller = LoadCustomImage("joystick/controller.png");
7935     button     = LoadCustomImage("joystick/button.png");
7936     axis_x     = LoadCustomImage("joystick/axis_x.png");
7937     axis_y     = LoadCustomImage("joystick/axis_y.png");
7938
7939     bitmaps_initialized = TRUE;
7940   }
7941
7942   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7943
7944 #if DEBUG_JOYSTICKS
7945   // print info about the joystick we are watching
7946   Debug("joystick", "watching joystick %d: (%s)",
7947         SDL_JoystickInstanceID(joystick), name);
7948   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
7949         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7950         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7951 #endif
7952
7953   // initialize mapping with GUID and name
7954   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7955
7956   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7957            temp, name, SDL_GetPlatform());
7958
7959   // loop through all steps (buttons and axes), getting joystick events
7960   for (i = 0; i < SDL_arraysize(steps) && !done;)
7961   {
7962     Bitmap *marker = button;    // initialize with reliable default value
7963
7964     step = &steps[i];
7965     strcpy(step->mapping, mapping);
7966     step->axis = -1;
7967     step->button = -1;
7968     step->hat = -1;
7969     step->hat_value = -1;
7970
7971     marker = (step->marker == MARKER_BUTTON ? button :
7972               step->marker == MARKER_AXIS_X ? axis_x :
7973               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7974
7975     next = FALSE;
7976
7977     while (!done && !next)
7978     {
7979       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7980       alpha_ticks = SDL_GetTicks();
7981
7982       if (alpha >= 255)
7983       {
7984         alpha = 255;
7985         alpha_step = -1;
7986       }
7987       else if (alpha < 128)
7988       {
7989         alpha = 127;
7990         alpha_step = 1;
7991       }
7992
7993       int controller_x = SX + (SXSIZE - controller->width) / 2;
7994       int controller_y = SY + ystep_line;
7995
7996       int marker_x = controller_x + step->x;
7997       int marker_y = controller_y + step->y;
7998
7999       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8000       int ystart2 = ystart1 + ystep_name + ystep_line;
8001
8002       ClearField();
8003
8004       DrawTextSCentered(ystart1, font_name, name);
8005
8006       DrawTextSCentered(ystart2, font_info,
8007                         "Press buttons and move axes on");
8008       ystart2 += ystep_line;
8009       DrawTextSCentered(ystart2, font_info,
8010                         "your controller when indicated.");
8011       ystart2 += ystep_line;
8012       DrawTextSCentered(ystart2, font_info,
8013                         "(Your controller may look different.)");
8014       ystart2 += ystep_para;
8015
8016 #if defined(PLATFORM_ANDROID)
8017       DrawTextSCentered(ystart2, font_info,
8018                         "To correct a mistake,");
8019       ystart2 += ystep_line;
8020       DrawTextSCentered(ystart2, font_info,
8021                         "press the 'back' button.");
8022       ystart2 += ystep_line;
8023       DrawTextSCentered(ystart2, font_info,
8024                         "To skip a button or axis,");
8025       ystart2 += ystep_line;
8026       DrawTextSCentered(ystart2, font_info,
8027                         "press the 'menu' button.");
8028 #else
8029       DrawTextSCentered(ystart2, font_info,
8030                         "To correct a mistake,");
8031       ystart2 += ystep_line;
8032       DrawTextSCentered(ystart2, font_info,
8033                         "press the 'backspace' key.");
8034       ystart2 += ystep_line;
8035       DrawTextSCentered(ystart2, font_info,
8036                         "To skip a button or axis,");
8037       ystart2 += ystep_line;
8038       DrawTextSCentered(ystart2, font_info,
8039                         "press the 'return' key.");
8040       ystart2 += ystep_line;
8041       DrawTextSCentered(ystart2, font_info,
8042                         "To exit, press the 'escape' key.");
8043 #endif
8044
8045       BlitBitmapMasked(controller, drawto, 0, 0,
8046                        controller->width, controller->height,
8047                        controller_x, controller_y);
8048
8049       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8050       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8051
8052       BlitBitmapMasked(marker, drawto, 0, 0,
8053                        marker->width, marker->height,
8054                        marker_x, marker_y);
8055
8056       if (!screen_initialized)
8057         FadeIn(REDRAW_FIELD);
8058       else
8059         BackToFront();
8060
8061       screen_initialized = TRUE;
8062
8063       while (NextValidEvent(&event))
8064       {
8065         switch (event.type)
8066         {
8067           case SDL_JOYAXISMOTION:
8068             if (event.jaxis.value > 20000 ||
8069                 event.jaxis.value < -20000)
8070             {
8071               for (j = 0; j < i; j++)
8072                 if (steps[j].axis == event.jaxis.axis)
8073                   break;
8074
8075               if (j == i)
8076               {
8077                 if (step->marker != MARKER_AXIS_X &&
8078                     step->marker != MARKER_AXIS_Y)
8079                   break;
8080
8081                 step->axis = event.jaxis.axis;
8082                 strcat(mapping, step->field);
8083                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8084                 strcat(mapping, temp);
8085                 i++;
8086                 next = TRUE;
8087               }
8088             }
8089
8090             break;
8091
8092           case SDL_JOYHATMOTION:
8093             // ignore centering; we're probably just coming back
8094             // to the center from the previous item we set
8095             if (event.jhat.value == SDL_HAT_CENTERED)
8096               break;
8097
8098             for (j = 0; j < i; j++)
8099               if (steps[j].hat == event.jhat.hat &&
8100                   steps[j].hat_value == event.jhat.value)
8101                 break;
8102
8103             if (j == i)
8104             {
8105               step->hat = event.jhat.hat;
8106               step->hat_value = event.jhat.value;
8107               strcat(mapping, step->field);
8108               snprintf(temp, sizeof(temp), ":h%u.%u,",
8109                        event.jhat.hat, event.jhat.value );
8110               strcat(mapping, temp);
8111               i++;
8112               next = TRUE;
8113             }
8114
8115             break;
8116
8117           case SDL_JOYBALLMOTION:
8118             break;
8119
8120           case SDL_JOYBUTTONUP:
8121             for (j = 0; j < i; j++)
8122               if (steps[j].button == event.jbutton.button)
8123                 break;
8124
8125             if (j == i)
8126             {
8127               step->button = event.jbutton.button;
8128               strcat(mapping, step->field);
8129               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8130               strcat(mapping, temp);
8131               i++;
8132               next = TRUE;
8133             }
8134
8135             break;
8136
8137           case SDL_FINGERDOWN:
8138           case SDL_MOUSEBUTTONDOWN:
8139             // skip this step
8140             i++;
8141             next = TRUE;
8142
8143             break;
8144
8145           case SDL_KEYDOWN:
8146             if (event.key.keysym.sym == KSYM_BackSpace ||
8147                 event.key.keysym.sym == KSYM_Back)
8148             {
8149               if (i == 0)
8150               {
8151                 // leave screen
8152                 success = FALSE;
8153                 done = TRUE;
8154
8155                 break;
8156               }
8157
8158               // undo this step
8159               prev_step = &steps[i - 1];
8160               strcpy(mapping, prev_step->mapping);
8161               i--;
8162               next = TRUE;
8163
8164               break;
8165             }
8166
8167             if (event.key.keysym.sym == KSYM_space ||
8168                 event.key.keysym.sym == KSYM_Return ||
8169                 event.key.keysym.sym == KSYM_Menu)
8170             {
8171               // skip this step
8172               i++;
8173               next = TRUE;
8174
8175               break;
8176             }
8177
8178             if (event.key.keysym.sym == KSYM_Escape)
8179             {
8180               // leave screen
8181               success = FALSE;
8182               done = TRUE;
8183             }
8184
8185             break;
8186
8187           case SDL_QUIT:
8188             program.exit_function(0);
8189             break;
8190
8191           default:
8192             break;
8193         }
8194
8195         // do not handle events for longer than standard frame delay period
8196         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8197           break;
8198       }
8199     }
8200   }
8201
8202   if (success)
8203   {
8204 #if DEBUG_JOYSTICKS
8205     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8206 #endif
8207
8208     // activate mapping for this game
8209     SDL_GameControllerAddMapping(mapping);
8210
8211     // save mapping to personal mappings
8212     SaveSetup_AddGameControllerMapping(mapping);
8213   }
8214
8215   // wait until the last pending event was removed from event queue
8216   while (NextValidEvent(&event));
8217
8218   return success;
8219 }
8220
8221 static int ConfigureJoystickMain(int player_nr)
8222 {
8223   char *device_name = setup.input[player_nr].joy.device_name;
8224   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8225   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8226   int success = FALSE;
8227   int i;
8228
8229   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8230     return JOYSTICK_NOT_AVAILABLE;
8231
8232   if (!joystick_active || !setup.input[player_nr].use_joystick)
8233     return JOYSTICK_NOT_AVAILABLE;
8234
8235   FadeSetEnterMenu();
8236   FadeOut(REDRAW_FIELD);
8237
8238   // close all joystick devices (potentially opened as game controllers)
8239   for (i = 0; i < SDL_NumJoysticks(); i++)
8240     SDLCloseJoystick(i);
8241
8242   // open joystick device as plain joystick to configure as game controller
8243   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8244
8245   // as the joystick was successfully opened before, this should not happen
8246   if (joystick == NULL)
8247     return FALSE;
8248
8249   // create new game controller mapping (buttons and axes) for joystick device
8250   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8251
8252   // close joystick (and maybe re-open as configured game controller later)
8253   SDL_JoystickClose(joystick);
8254
8255   // re-open all joystick devices (potentially as game controllers)
8256   for (i = 0; i < SDL_NumJoysticks(); i++)
8257     SDLOpenJoystick(i);
8258
8259   // clear all joystick input actions for all joystick devices
8260   SDLClearJoystickState();
8261
8262   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8263 }
8264
8265 void ConfigureJoystick(int player_nr)
8266 {
8267   boolean state = ConfigureJoystickMain(player_nr);
8268
8269   if (state != JOYSTICK_NOT_CONFIGURED)
8270   {
8271     boolean success = (state == JOYSTICK_CONFIGURED);
8272     char message1[MAX_OUTPUT_LINESIZE + 1];
8273     char *message2 = (success ? "configured!" : "not available!");
8274     char *device_name = setup.input[player_nr].joy.device_name;
8275     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8276     int font_nr = FONT_TITLE_1;
8277     int font_height = getFontHeight(font_nr);
8278     int ypos1 = SYSIZE / 2 - font_height * 2;
8279     int ypos2 = SYSIZE / 2 - font_height * 1;
8280     unsigned int wait_frame_delay = 0;
8281     unsigned int wait_frame_delay_value = 2000;
8282
8283     ResetDelayCounter(&wait_frame_delay);
8284
8285     ClearField();
8286
8287     sprintf(message1, "Joystick %d", nr);
8288
8289     DrawTextSCentered(ypos1, font_nr, message1);
8290     DrawTextSCentered(ypos2, font_nr, message2);
8291
8292     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8293       BackToFront();
8294
8295     ClearEventQueue();
8296   }
8297
8298   DrawSetupScreen_Input();
8299 }
8300
8301 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8302 {
8303   if (y < video.screen_height / 3)
8304   {
8305     // remap touch gadgets to access upper part of the screen
8306     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8307     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8308   }
8309   else if (y > 2 * video.screen_height / 3)
8310   {
8311     // remap touch gadgets to access lower part of the screen
8312     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8313     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8314   }
8315 }
8316
8317 static boolean ConfigureVirtualButtonsMain(void)
8318 {
8319   static char *customize_step_text[] =
8320   {
8321     "Move Left",
8322     "Move Right",
8323     "Move Up",
8324     "Move Down",
8325     "Snap Field",
8326     "Drop Element"
8327   };
8328   char grid_button[] =
8329   {
8330     CHAR_GRID_BUTTON_LEFT,
8331     CHAR_GRID_BUTTON_RIGHT,
8332     CHAR_GRID_BUTTON_UP,
8333     CHAR_GRID_BUTTON_DOWN,
8334     CHAR_GRID_BUTTON_SNAP,
8335     CHAR_GRID_BUTTON_DROP
8336   };
8337   enum
8338   {
8339     ACTION_NONE,
8340     ACTION_ESCAPE,
8341     ACTION_BACK,
8342     ACTION_NEXT
8343   };
8344   int font_nr = FONT_INPUT_1_ACTIVE;
8345   int font_height = getFontHeight(font_nr);
8346   int ypos1 = SYSIZE / 2 - font_height * 2;
8347   int ypos2 = SYSIZE / 2 - font_height * 1;
8348   boolean success = FALSE;
8349   boolean finished = FALSE;
8350   int step_nr = 0;
8351   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8352   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8353   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8354   boolean set_grid_button = FALSE;
8355   int nr = GRID_ACTIVE_NR();
8356   int x, y;
8357
8358   for (x = 0; x < MAX_GRID_XSIZE; x++)
8359     for (y = 0; y < MAX_GRID_YSIZE; y++)
8360       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8361
8362   overlay.grid_button_highlight = grid_button[step_nr];
8363
8364   UnmapAllGadgets();
8365
8366   FadeSetEnterMenu();
8367   FadeOut(REDRAW_FIELD);
8368
8369   ClearField();
8370
8371   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8372   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8373   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8374
8375   FadeIn(REDRAW_FIELD);
8376
8377   SetOverlayShowGrid(TRUE);
8378
8379   // map gadgets for setup touch buttons menu screen
8380   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8381
8382   while (!finished)
8383   {
8384     Event event;
8385
8386     while (NextValidEvent(&event))
8387     {
8388       int action = ACTION_NONE;
8389
8390       // ---------- handle events and set the resulting action ----------
8391
8392       switch (event.type)
8393       {
8394         case EVENT_USER:
8395           {
8396             UserEvent *user = (UserEvent *)&event;
8397             int id = user->value1;
8398
8399             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8400                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8401                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8402                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8403                       ACTION_NONE);
8404           }
8405           break;
8406
8407         case EVENT_KEYPRESS:
8408           {
8409             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8410
8411             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8412                       key == KSYM_BackSpace ||
8413                       key == KSYM_Back ?        ACTION_BACK :
8414                       key == KSYM_Return ||
8415                       key == KSYM_Menu ||
8416                       key == KSYM_space ?       ACTION_NEXT :
8417                       ACTION_NONE);
8418           }
8419           break;
8420
8421         case EVENT_KEYRELEASE:
8422           key_joystick_mapping = 0;
8423           break;
8424
8425         case EVENT_BUTTONPRESS:
8426         case EVENT_BUTTONRELEASE:
8427           {
8428             ButtonEvent *button = (ButtonEvent *)&event;
8429
8430             motion_status = FALSE;
8431
8432             if (button->type == EVENT_BUTTONPRESS)
8433               button_status = button->button;
8434             else
8435               button_status = MB_RELEASED;
8436
8437             if (HandleGadgets(button->x, button->y, button_status))
8438             {
8439               // do not handle this button event anymore
8440               break;
8441             }
8442
8443             button->x += video.screen_xoffset;
8444             button->y += video.screen_yoffset;
8445
8446             x = button->x * overlay.grid_xsize / video.screen_width;
8447             y = button->y * overlay.grid_ysize / video.screen_height;
8448
8449             if (button->type == EVENT_BUTTONPRESS)
8450             {
8451               grid_button_draw =
8452                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8453                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8454
8455               set_grid_button = TRUE;
8456             }
8457
8458             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8459           }
8460           break;
8461
8462         case EVENT_MOTIONNOTIFY:
8463           {
8464             MotionEvent *motion = (MotionEvent *)&event;
8465
8466             motion_status = TRUE;
8467
8468             if (HandleGadgets(motion->x, motion->y, button_status))
8469             {
8470               // do not handle this button event anymore
8471               break;
8472             }
8473
8474             motion->x += video.screen_xoffset;
8475             motion->y += video.screen_yoffset;
8476
8477             x = motion->x * overlay.grid_xsize / video.screen_width;
8478             y = motion->y * overlay.grid_ysize / video.screen_height;
8479
8480             set_grid_button = TRUE;
8481
8482             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8483           }
8484           break;
8485
8486         case SDL_WINDOWEVENT:
8487           HandleWindowEvent((WindowEvent *) &event);
8488
8489           // check if device has been rotated
8490           if (nr != GRID_ACTIVE_NR())
8491           {
8492             nr = GRID_ACTIVE_NR();
8493
8494             for (x = 0; x < MAX_GRID_XSIZE; x++)
8495               for (y = 0; y < MAX_GRID_YSIZE; y++)
8496                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8497                   overlay.grid_button[x][y];
8498           }
8499
8500           break;
8501
8502         case SDL_APP_WILLENTERBACKGROUND:
8503         case SDL_APP_DIDENTERBACKGROUND:
8504         case SDL_APP_WILLENTERFOREGROUND:
8505         case SDL_APP_DIDENTERFOREGROUND:
8506           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8507           break;
8508
8509         default:
8510           HandleOtherEvents(&event);
8511           break;
8512       }
8513
8514       // ---------- perform action set by handling events ----------
8515
8516       if (action == ACTION_ESCAPE)
8517       {
8518         // abort and restore the old key bindings
8519
8520         for (x = 0; x < MAX_GRID_XSIZE; x++)
8521           for (y = 0; y < MAX_GRID_YSIZE; y++)
8522             overlay.grid_button[x][y] = grid_button_old[x][y];
8523
8524         FadeSkipNextFadeIn();
8525
8526         finished = TRUE;
8527       }
8528       else if (action == ACTION_BACK)
8529       {
8530         // keep the configured key bindings and go to previous page
8531
8532         step_nr--;
8533
8534         if (step_nr < 0)
8535         {
8536           FadeSkipNextFadeIn();
8537
8538           finished = TRUE;
8539         }
8540       }
8541       else if (action == ACTION_NEXT)
8542       {
8543         // keep the configured key bindings and go to next page
8544
8545         step_nr++;
8546
8547         // all virtual buttons configured
8548         if (step_nr == 6)
8549         {
8550           finished = TRUE;
8551           success = TRUE;
8552         }
8553       }
8554
8555       if (action != ACTION_NONE && !finished)
8556       {
8557         for (x = 0; x < MAX_GRID_XSIZE; x++)
8558           for (y = 0; y < MAX_GRID_YSIZE; y++)
8559             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8560
8561         overlay.grid_button_highlight = grid_button[step_nr];
8562
8563         // configure next virtual button
8564
8565         ClearField();
8566
8567         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8568         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8569         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8570       }
8571
8572       if (set_grid_button)
8573       {
8574         overlay.grid_button[x][y] =
8575           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8576            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8577            grid_button_tmp[x][y]);
8578
8579         set_grid_button = FALSE;
8580       }
8581     }
8582
8583     BackToFront();
8584   }
8585
8586   for (x = 0; x < MAX_GRID_XSIZE; x++)
8587     for (y = 0; y < MAX_GRID_YSIZE; y++)
8588       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8589
8590   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8591
8592   SetOverlayShowGrid(FALSE);
8593
8594   return success;
8595 }
8596
8597 void ConfigureVirtualButtons(void)
8598 {
8599   boolean success = ConfigureVirtualButtonsMain();
8600
8601   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8602                          SCREEN_MASK_TOUCH2);
8603
8604   if (success)
8605   {
8606     int font_nr = FONT_TITLE_1;
8607     int font_height = getFontHeight(font_nr);
8608     int ypos1 = SYSIZE / 2 - font_height * 2;
8609     int ypos2 = SYSIZE / 2 - font_height * 1;
8610     unsigned int wait_frame_delay = 0;
8611     unsigned int wait_frame_delay_value = 2000;
8612
8613     ResetDelayCounter(&wait_frame_delay);
8614
8615     ClearField();
8616
8617     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8618     DrawTextSCentered(ypos2, font_nr, "configured!");
8619
8620     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8621       BackToFront();
8622
8623     ClearEventQueue();
8624   }
8625 }
8626
8627 void DrawSetupScreen(void)
8628 {
8629   align_xoffset = 0;
8630   align_yoffset = 0;
8631
8632   if (setup_mode == SETUP_MODE_INPUT)
8633     DrawSetupScreen_Input();
8634   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8635     DrawChooseTree(&game_speed_current);
8636   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8637     DrawChooseTree(&scroll_delay_current);
8638   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8639     DrawChooseTree(&snapshot_mode_current);
8640   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8641     DrawChooseTree(&window_size_current);
8642   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8643     DrawChooseTree(&scaling_type_current);
8644   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8645     DrawChooseTree(&rendering_mode_current);
8646   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8647     DrawChooseTree(&vsync_mode_current);
8648   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8649     DrawChooseTree(&artwork.gfx_current);
8650   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8651     DrawChooseTree(&artwork.snd_current);
8652   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8653     DrawChooseTree(&artwork.mus_current);
8654   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8655     DrawChooseTree(&volume_simple_current);
8656   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8657     DrawChooseTree(&volume_loops_current);
8658   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8659     DrawChooseTree(&volume_music_current);
8660   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8661     DrawChooseTree(&touch_control_current);
8662   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8663     DrawChooseTree(&move_distance_current);
8664   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8665     DrawChooseTree(&drop_distance_current);
8666   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8667     DrawChooseTree(&transparency_current);
8668   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8669     DrawChooseTree(&grid_size_current[0][0]);
8670   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8671     DrawChooseTree(&grid_size_current[0][1]);
8672   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8673     DrawChooseTree(&grid_size_current[1][0]);
8674   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8675     DrawChooseTree(&grid_size_current[1][1]);
8676   else
8677     DrawSetupScreen_Generic();
8678
8679   PlayMenuSoundsAndMusic();
8680 }
8681
8682 void RedrawSetupScreenAfterFullscreenToggle(void)
8683 {
8684   if (setup_mode == SETUP_MODE_GRAPHICS ||
8685       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8686   {
8687     // update list selection from "setup.window_scaling_percent"
8688     execSetupGraphics_setWindowSizes(TRUE);
8689
8690     DrawSetupScreen();
8691   }
8692 }
8693
8694 void RedrawSetupScreenAfterScreenRotation(int nr)
8695 {
8696   int x, y;
8697
8698   if (setup_mode == SETUP_MODE_TOUCH)
8699   {
8700     // update virtual button settings (depending on screen orientation)
8701     DrawSetupScreen();
8702   }
8703   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8704   {
8705     // save already configured virtual buttons
8706     for (x = 0; x < MAX_GRID_XSIZE; x++)
8707       for (y = 0; y < MAX_GRID_YSIZE; y++)
8708         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8709   }
8710 }
8711
8712 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8713 {
8714   if (setup_mode == SETUP_MODE_INPUT)
8715     HandleSetupScreen_Input(mx, my, dx, dy, button);
8716   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8717     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8718   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8719     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8720   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8721     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8722   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8723     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8724   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8725     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8726   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8727     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8728   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8729     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8730   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8731     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8732   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8733     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8734   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8735     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8736   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8737     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8738   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8739     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8740   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8741     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8742   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8743     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8744   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8745     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8746   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8747     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8748   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8749     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8750   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8751     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8752   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8753     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8754   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8755     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8756   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8757     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8758   else
8759     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8760 }
8761
8762 void HandleGameActions(void)
8763 {
8764   if (setup.ask_on_game_over)
8765     CheckGameOver();
8766
8767   if (game.restart_game_message != NULL)
8768   {
8769     RequestRestartGame(game.restart_game_message);
8770
8771     return;
8772   }
8773
8774   if (game_status != GAME_MODE_PLAYING)
8775     return;
8776
8777   GameActions();        // main game loop
8778
8779   if (tape.auto_play && !tape.playing)
8780     AutoPlayTapes();    // continue automatically playing next tape
8781 }
8782
8783
8784 // ---------- new screen button stuff --------------------------------------
8785
8786 static struct
8787 {
8788   int gfx_unpressed, gfx_pressed;
8789   struct MenuPosInfo *pos;
8790   boolean *check_value;
8791   int gadget_id;
8792   int screen_mask;
8793   unsigned int event_mask;
8794   boolean is_touch_button;
8795   char *infotext;
8796 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8797 {
8798   {
8799     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8800     &menu.main.button.prev_level, NULL,
8801     SCREEN_CTRL_ID_PREV_LEVEL,
8802     SCREEN_MASK_MAIN,
8803     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8804     FALSE, "previous level"
8805   },
8806   {
8807     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8808     &menu.main.button.next_level, NULL,
8809     SCREEN_CTRL_ID_NEXT_LEVEL,
8810     SCREEN_MASK_MAIN,
8811     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8812     FALSE, "next level"
8813   },
8814   {
8815     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8816     &menu.main.button.first_level, NULL,
8817     SCREEN_CTRL_ID_FIRST_LEVEL,
8818     SCREEN_MASK_MAIN,
8819     GD_EVENT_RELEASED,
8820     FALSE, "first level"
8821   },
8822   {
8823     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8824     &menu.main.button.last_level, NULL,
8825     SCREEN_CTRL_ID_LAST_LEVEL,
8826     SCREEN_MASK_MAIN,
8827     GD_EVENT_RELEASED,
8828     FALSE, "last level"
8829   },
8830   {
8831     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8832     &menu.main.button.level_number, NULL,
8833     SCREEN_CTRL_ID_LEVEL_NUMBER,
8834     SCREEN_MASK_MAIN,
8835     GD_EVENT_RELEASED,
8836     FALSE, "level number"
8837   },
8838   {
8839     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8840     &menu.setup.button.prev_player, NULL,
8841     SCREEN_CTRL_ID_PREV_PLAYER,
8842     SCREEN_MASK_INPUT,
8843     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8844     FALSE, "previous player"
8845   },
8846   {
8847     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8848     &menu.setup.button.next_player, NULL,
8849     SCREEN_CTRL_ID_NEXT_PLAYER,
8850     SCREEN_MASK_INPUT,
8851     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8852     FALSE, "next player"
8853   },
8854   {
8855     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8856     &menu.main.button.insert_solution, NULL,
8857     SCREEN_CTRL_ID_INSERT_SOLUTION,
8858     SCREEN_MASK_MAIN_HAS_SOLUTION,
8859     GD_EVENT_RELEASED,
8860     FALSE, "insert solution tape"
8861   },
8862   {
8863     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8864     &menu.main.button.play_solution, NULL,
8865     SCREEN_CTRL_ID_PLAY_SOLUTION,
8866     SCREEN_MASK_MAIN_HAS_SOLUTION,
8867     GD_EVENT_RELEASED,
8868     FALSE, "play solution tape"
8869   },
8870   {
8871     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8872     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8873     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8874     SCREEN_MASK_MAIN,
8875     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8876     FALSE, "switch ECS/AGA chipset"
8877   },
8878   {
8879     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8880     &menu.setup.button.touch_back, NULL,
8881     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8882     SCREEN_MASK_TOUCH,
8883     GD_EVENT_RELEASED,
8884     TRUE, "previous page"
8885   },
8886   {
8887     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8888     &menu.setup.button.touch_next, NULL,
8889     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8890     SCREEN_MASK_TOUCH,
8891     GD_EVENT_RELEASED,
8892     TRUE, "next page"
8893   },
8894   {
8895     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8896     &menu.setup.button.touch_back2, NULL,
8897     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8898     SCREEN_MASK_TOUCH2,
8899     GD_EVENT_RELEASED,
8900     TRUE, "previous page"
8901   },
8902   {
8903     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8904     &menu.setup.button.touch_next2, NULL,
8905     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8906     SCREEN_MASK_TOUCH2,
8907     GD_EVENT_RELEASED,
8908     TRUE, "next page"
8909   },
8910 };
8911
8912 static struct
8913 {
8914   int gfx_unpressed, gfx_pressed;
8915   int x, y;
8916   int gadget_id;
8917   char *infotext;
8918 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8919 {
8920   {
8921     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8922     -1, -1,     // these values are not constant, but can change at runtime
8923     SCREEN_CTRL_ID_SCROLL_UP,
8924     "scroll up"
8925   },
8926   {
8927     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8928     -1, -1,     // these values are not constant, but can change at runtime
8929     SCREEN_CTRL_ID_SCROLL_DOWN,
8930     "scroll down"
8931   }
8932 };
8933
8934 static struct
8935 {
8936   int gfx_unpressed, gfx_pressed;
8937   int x, y;
8938   int width, height;
8939   int type;
8940   int gadget_id;
8941   char *infotext;
8942 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8943 {
8944   {
8945     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8946     -1, -1,     // these values are not constant, but can change at runtime
8947     -1, -1,     // these values are not constant, but can change at runtime
8948     GD_TYPE_SCROLLBAR_VERTICAL,
8949     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8950     "scroll level series vertically"
8951   }
8952 };
8953
8954 static struct
8955 {
8956   int graphic;
8957   int gadget_id;
8958   int x, y;
8959   int size;
8960   char *value;
8961   char *infotext;
8962 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8963 {
8964   {
8965     IMG_SETUP_INPUT_TEXT,
8966     SCREEN_CTRL_ID_NETWORK_SERVER,
8967     -1, -1,     // these values are not constant, but can change at runtime
8968     MAX_SETUP_TEXT_INPUT_LEN,
8969     network_server_hostname,
8970     "Network Server Hostname / IP"
8971   },
8972 };
8973
8974 static void CreateScreenMenubuttons(void)
8975 {
8976   struct GadgetInfo *gi;
8977   unsigned int event_mask;
8978   int i;
8979
8980   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8981   {
8982     struct MenuPosInfo *pos = menubutton_info[i].pos;
8983     boolean is_touch_button = menubutton_info[i].is_touch_button;
8984     boolean is_check_button = menubutton_info[i].check_value != NULL;
8985     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8986     int gfx_unpressed, gfx_pressed;
8987     int x, y, width, height;
8988     int gd_x1, gd_x2, gd_y1, gd_y2;
8989     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
8990     int id = menubutton_info[i].gadget_id;
8991     int type = GD_TYPE_NORMAL_BUTTON;
8992     boolean checked = FALSE;
8993
8994     event_mask = menubutton_info[i].event_mask;
8995
8996     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
8997     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
8998
8999     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9000     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9001
9002     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9003     gfx_pressed   = menubutton_info[i].gfx_pressed;
9004     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9005     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9006     gd_x1 = graphic_info[gfx_unpressed].src_x;
9007     gd_y1 = graphic_info[gfx_unpressed].src_y;
9008     gd_x2 = graphic_info[gfx_pressed].src_x;
9009     gd_y2 = graphic_info[gfx_pressed].src_y;
9010     gd_x1a = gd_x1;
9011     gd_y1a = gd_y1;
9012     gd_x2a = gd_x2;
9013     gd_y2a = gd_y2;
9014
9015     if (is_touch_button)
9016     {
9017       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9018       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9019     }
9020
9021     if (is_check_button)
9022     {
9023       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9024       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9025       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9026       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9027
9028       type = GD_TYPE_CHECK_BUTTON;
9029       checked = *menubutton_info[i].check_value;
9030     }
9031
9032     gi = CreateGadget(GDI_CUSTOM_ID, id,
9033                       GDI_CUSTOM_TYPE_ID, i,
9034                       GDI_IMAGE_ID, gfx_unpressed,
9035                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9036                       GDI_X, x,
9037                       GDI_Y, y,
9038                       GDI_WIDTH, width,
9039                       GDI_HEIGHT, height,
9040                       GDI_TYPE, type,
9041                       GDI_STATE, GD_BUTTON_UNPRESSED,
9042                       GDI_CHECKED, checked,
9043                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9044                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9045                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9046                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9047                       GDI_DIRECT_DRAW, FALSE,
9048                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9049                       GDI_EVENT_MASK, event_mask,
9050                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9051                       GDI_END);
9052
9053     if (gi == NULL)
9054       Fail("cannot create gadget");
9055
9056     screen_gadget[id] = gi;
9057   }
9058 }
9059
9060 static void CreateScreenScrollbuttons(void)
9061 {
9062   struct GadgetInfo *gi;
9063   unsigned int event_mask;
9064   int i;
9065
9066   // these values are not constant, but can change at runtime
9067   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9068   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9069   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9070   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9071
9072   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9073   {
9074     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9075     int gfx_unpressed, gfx_pressed;
9076     int x, y, width, height;
9077     int gd_x1, gd_x2, gd_y1, gd_y2;
9078     int id = scrollbutton_info[i].gadget_id;
9079
9080     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9081
9082     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9083     y = mSY + scrollbutton_info[i].y;
9084     width = SC_SCROLLBUTTON_XSIZE;
9085     height = SC_SCROLLBUTTON_YSIZE;
9086
9087     // correct scrollbar position if placed outside menu (playfield) area
9088     if (x > SX + SC_SCROLL_UP_XPOS)
9089       x = SX + SC_SCROLL_UP_XPOS;
9090
9091     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9092       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9093                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9094
9095     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9096     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9097     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9098     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9099     gd_x1 = graphic_info[gfx_unpressed].src_x;
9100     gd_y1 = graphic_info[gfx_unpressed].src_y;
9101     gd_x2 = graphic_info[gfx_pressed].src_x;
9102     gd_y2 = graphic_info[gfx_pressed].src_y;
9103
9104     gi = CreateGadget(GDI_CUSTOM_ID, id,
9105                       GDI_CUSTOM_TYPE_ID, i,
9106                       GDI_IMAGE_ID, gfx_unpressed,
9107                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9108                       GDI_X, x,
9109                       GDI_Y, y,
9110                       GDI_WIDTH, width,
9111                       GDI_HEIGHT, height,
9112                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9113                       GDI_STATE, GD_BUTTON_UNPRESSED,
9114                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9115                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9116                       GDI_DIRECT_DRAW, FALSE,
9117                       GDI_EVENT_MASK, event_mask,
9118                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9119                       GDI_END);
9120
9121     if (gi == NULL)
9122       Fail("cannot create gadget");
9123
9124     screen_gadget[id] = gi;
9125   }
9126 }
9127
9128 static void CreateScreenScrollbars(void)
9129 {
9130   int i;
9131
9132   // these values are not constant, but can change at runtime
9133   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9134   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9135   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9136   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9137
9138   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9139   {
9140     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9141     int gfx_unpressed, gfx_pressed;
9142     int x, y, width, height;
9143     int gd_x1, gd_x2, gd_y1, gd_y2;
9144     struct GadgetInfo *gi;
9145     int items_max, items_visible, item_position;
9146     unsigned int event_mask;
9147     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9148     int id = scrollbar_info[i].gadget_id;
9149
9150     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9151
9152     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9153     y = mSY + scrollbar_info[i].y;
9154     width  = scrollbar_info[i].width;
9155     height = scrollbar_info[i].height;
9156
9157     // correct scrollbar position if placed outside menu (playfield) area
9158     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9159       x = SX + SC_SCROLL_VERTICAL_XPOS;
9160
9161     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9162       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9163
9164     items_max = num_page_entries;
9165     items_visible = num_page_entries;
9166     item_position = 0;
9167
9168     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9169     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9170     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9171     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9172     gd_x1 = graphic_info[gfx_unpressed].src_x;
9173     gd_y1 = graphic_info[gfx_unpressed].src_y;
9174     gd_x2 = graphic_info[gfx_pressed].src_x;
9175     gd_y2 = graphic_info[gfx_pressed].src_y;
9176
9177     gi = CreateGadget(GDI_CUSTOM_ID, id,
9178                       GDI_CUSTOM_TYPE_ID, i,
9179                       GDI_IMAGE_ID, gfx_unpressed,
9180                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9181                       GDI_X, x,
9182                       GDI_Y, y,
9183                       GDI_WIDTH, width,
9184                       GDI_HEIGHT, height,
9185                       GDI_TYPE, scrollbar_info[i].type,
9186                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9187                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9188                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9189                       GDI_WHEEL_AREA_X, SX,
9190                       GDI_WHEEL_AREA_Y, SY,
9191                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9192                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9193                       GDI_STATE, GD_BUTTON_UNPRESSED,
9194                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9195                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9196                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9197                       GDI_DIRECT_DRAW, FALSE,
9198                       GDI_EVENT_MASK, event_mask,
9199                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9200                       GDI_END);
9201
9202     if (gi == NULL)
9203       Fail("cannot create gadget");
9204
9205     screen_gadget[id] = gi;
9206   }
9207 }
9208
9209 static void CreateScreenTextInputGadgets(void)
9210 {
9211   int i;
9212
9213   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9214   {
9215     int graphic = textinput_info[i].graphic;
9216     struct GraphicInfo *gd = &graphic_info[graphic];
9217     int gd_x1 = gd->src_x;
9218     int gd_y1 = gd->src_y;
9219     int gd_x2 = gd->src_x + gd->active_xoffset;
9220     int gd_y2 = gd->src_y + gd->active_yoffset;
9221     struct GadgetInfo *gi;
9222     unsigned int event_mask;
9223     int id = textinput_info[i].gadget_id;
9224     int x = textinput_info[i].x;
9225     int y = textinput_info[i].y;
9226
9227     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9228
9229     gi = CreateGadget(GDI_CUSTOM_ID, id,
9230                       GDI_CUSTOM_TYPE_ID, i,
9231                       GDI_INFO_TEXT, textinput_info[i].infotext,
9232                       GDI_X, SX + x,
9233                       GDI_Y, SY + y,
9234                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9235                       GDI_TEXT_VALUE, textinput_info[i].value,
9236                       GDI_TEXT_SIZE, textinput_info[i].size,
9237                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9238                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9239                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9240                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9241                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9242                       GDI_DESIGN_WIDTH, gd->width,
9243                       GDI_EVENT_MASK, event_mask,
9244                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9245                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9246                       GDI_END);
9247
9248     if (gi == NULL)
9249       Fail("cannot create gadget");
9250
9251     screen_gadget[id] = gi;
9252   }
9253 }
9254
9255 void CreateScreenGadgets(void)
9256 {
9257   CreateScreenMenubuttons();
9258
9259   CreateScreenScrollbuttons();
9260   CreateScreenScrollbars();
9261
9262   CreateScreenTextInputGadgets();
9263 }
9264
9265 void FreeScreenGadgets(void)
9266 {
9267   int i;
9268
9269   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9270     FreeGadget(screen_gadget[i]);
9271 }
9272
9273 static void MapScreenMenuGadgets(int screen_mask)
9274 {
9275   int i;
9276
9277   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9278     if (screen_mask & menubutton_info[i].screen_mask)
9279       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9280 }
9281
9282 static void UnmapScreenMenuGadgets(int screen_mask)
9283 {
9284   int i;
9285
9286   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9287   {
9288     if (screen_mask & menubutton_info[i].screen_mask)
9289     {
9290       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9291
9292       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9293         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9294                        screen_gadget[menubutton_info[i].gadget_id]->y,
9295                        screen_gadget[menubutton_info[i].gadget_id]->width,
9296                        screen_gadget[menubutton_info[i].gadget_id]->height);
9297     }
9298   }
9299 }
9300
9301 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9302 {
9303   if (map_gadgets)
9304     MapScreenMenuGadgets(screen_mask);
9305   else
9306     UnmapScreenMenuGadgets(screen_mask);
9307 }
9308
9309 static void MapScreenGadgets(int num_entries)
9310 {
9311   int i;
9312
9313   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9314     return;
9315
9316   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9317     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9318
9319   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9320     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9321 }
9322
9323 static void MapScreenTreeGadgets(TreeInfo *ti)
9324 {
9325   MapScreenGadgets(numTreeInfoInGroup(ti));
9326 }
9327
9328 static void HandleScreenGadgets(struct GadgetInfo *gi)
9329 {
9330   int id = gi->custom_id;
9331   int button = gi->event.button;
9332   int step = (button == MB_LEFTBUTTON   ? 1 :
9333               button == MB_MIDDLEBUTTON ? 5 :
9334               button == MB_RIGHTBUTTON  ? 10 : 1);
9335
9336   switch (id)
9337   {
9338     case SCREEN_CTRL_ID_PREV_LEVEL:
9339       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9340       break;
9341
9342     case SCREEN_CTRL_ID_NEXT_LEVEL:
9343       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9344       break;
9345
9346     case SCREEN_CTRL_ID_FIRST_LEVEL:
9347       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9348       break;
9349
9350     case SCREEN_CTRL_ID_LAST_LEVEL:
9351       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9352       break;
9353
9354     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9355       CloseDoor(DOOR_CLOSE_2);
9356       SetGameStatus(GAME_MODE_LEVELNR);
9357       DrawChooseLevelNr();
9358       break;
9359
9360     case SCREEN_CTRL_ID_PREV_PLAYER:
9361       HandleSetupScreen_Input_Player(step, -1);
9362       break;
9363
9364     case SCREEN_CTRL_ID_NEXT_PLAYER:
9365       HandleSetupScreen_Input_Player(step, +1);
9366       break;
9367
9368     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9369       InsertSolutionTape();
9370       break;
9371
9372     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9373       PlaySolutionTape();
9374       break;
9375
9376     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9377       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9378       DrawMainMenu();
9379       break;
9380
9381     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9382     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9383     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9384     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9385       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9386       break;
9387
9388     case SCREEN_CTRL_ID_SCROLL_UP:
9389       if (game_status == GAME_MODE_NAMES)
9390         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9391       else if (game_status == GAME_MODE_LEVELS)
9392         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9393       else if (game_status == GAME_MODE_LEVELNR)
9394         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9395       else if (game_status == GAME_MODE_SETUP)
9396         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9397       else if (game_status == GAME_MODE_INFO)
9398         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9399       break;
9400
9401     case SCREEN_CTRL_ID_SCROLL_DOWN:
9402       if (game_status == GAME_MODE_NAMES)
9403         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9404       else if (game_status == GAME_MODE_LEVELS)
9405         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9406       else if (game_status == GAME_MODE_LEVELNR)
9407         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9408       else if (game_status == GAME_MODE_SETUP)
9409         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9410       else if (game_status == GAME_MODE_INFO)
9411         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9412       break;
9413
9414     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9415       if (game_status == GAME_MODE_NAMES)
9416         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9417       else if (game_status == GAME_MODE_LEVELS)
9418         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9419       else if (game_status == GAME_MODE_LEVELNR)
9420         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9421       else if (game_status == GAME_MODE_SETUP)
9422         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9423       else if (game_status == GAME_MODE_INFO)
9424         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9425       break;
9426
9427     case SCREEN_CTRL_ID_NETWORK_SERVER:
9428     {
9429       if (!strEqual(gi->textinput.value, ""))
9430       {
9431         setString(&setup.network_server_hostname, gi->textinput.value);
9432
9433         network.server_host = setup.network_server_hostname;
9434       }
9435       else
9436       {
9437         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9438
9439         network.server_host = NULL;
9440       }
9441
9442       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9443         network.server_host = NULL;
9444
9445       execSetupGame_setNetworkServerText();
9446
9447       DrawSetupScreen();
9448
9449       break;
9450     }
9451
9452     default:
9453       break;
9454   }
9455 }
9456
9457 void DumpScreenIdentifiers(void)
9458 {
9459   int i;
9460
9461   Print("Active screen elements on current screen:\n");
9462
9463   for (i = 0; main_controls[i].nr != -1; i++)
9464   {
9465     struct MainControlInfo *mci = &main_controls[i];
9466
9467     if (mci->button_graphic != -1)
9468     {
9469       char *token = getTokenFromImageID(mci->button_graphic);
9470
9471       Print("- '%s'\n", token);
9472     }
9473   }
9474
9475   Print("Done.\n");
9476 }
9477
9478 boolean DoScreenAction(int image_id)
9479 {
9480   int i;
9481
9482   if (game_status != GAME_MODE_MAIN)
9483     return FALSE;
9484
9485   for (i = 0; main_controls[i].nr != -1; i++)
9486   {
9487     struct MainControlInfo *mci = &main_controls[i];
9488     struct MenuPosInfo *pos = mci->pos_button;
9489
9490     if (mci->button_graphic == image_id)
9491     {
9492       int x = mSX + pos->x;
9493       int y = mSY + pos->y;
9494
9495       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9496
9497       return TRUE;
9498     }
9499   }
9500
9501   return FALSE;
9502 }
9503
9504 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9505 {
9506   // get tree info node of newly added level or artwork set
9507   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9508   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9509                                                       tree_subdir_new);
9510   if (tree_node_new == NULL)    // should not happen
9511     return;
9512
9513   // if request dialog is active, do nothing
9514   if (game.request_active)
9515     return;
9516
9517   if (game_status == GAME_MODE_MAIN &&
9518       tree_type == TREE_TYPE_LEVEL_DIR)
9519   {
9520     // when adding new level set in main menu, select it as current level set
9521
9522     // change current level set to newly added level set from zip file
9523     leveldir_current = tree_node_new;
9524
9525     // change current level number to first level of newly added level set
9526     level_nr = leveldir_current->first_level;
9527
9528     // redraw screen to reflect changed level set
9529     DrawMainMenu();
9530
9531     // save this level set and level number as last selected level set
9532     SaveLevelSetup_LastSeries();
9533     SaveLevelSetup_SeriesInfo();
9534   }
9535   else if (game_status == GAME_MODE_LEVELS &&
9536            tree_type == TREE_TYPE_LEVEL_DIR)
9537   {
9538     // when adding new level set in level set menu, set cursor and update screen
9539
9540     leveldir_current = tree_node_new;
9541
9542     DrawChooseTree(&leveldir_current);
9543   }
9544   else if (game_status == GAME_MODE_SETUP)
9545   {
9546     // when adding new artwork set in setup menu, set cursor and update screen
9547
9548     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9549         tree_type == TREE_TYPE_GRAPHICS_DIR)
9550     {
9551       artwork.gfx_current = tree_node_new;
9552
9553       DrawChooseTree(&artwork.gfx_current);
9554     }
9555     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9556              tree_type == TREE_TYPE_SOUNDS_DIR)
9557     {
9558       artwork.snd_current = tree_node_new;
9559
9560       DrawChooseTree(&artwork.snd_current);
9561     }
9562     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9563              tree_type == TREE_TYPE_MUSIC_DIR)
9564     {
9565       artwork.mus_current = tree_node_new;
9566
9567       DrawChooseTree(&artwork.mus_current);
9568     }
9569   }
9570 }