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   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4106
4107   if (!changed)
4108     strcpy(name, type_name_last);
4109
4110   if (strEqual(name, ""))
4111     strcpy(name, EMPTY_PLAYER_NAME);
4112
4113   // if player name not changed, no further action required
4114   if (strEqual(name, type_name_last))
4115     return;
4116
4117   setTypeNameValues_Name(name, pos);
4118
4119   // redraw player name before (possibly) opening request dialogs
4120   drawTypeNameText(name, pos, FALSE);
4121
4122   int last_user_nr = user.nr;
4123
4124   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4125   {
4126     // save setup of currently active user (may differ from edited user)
4127     SaveSetup();
4128
4129     // temporarily change active user to edited user
4130     user.nr = type_name_nr;
4131
4132     // load setup of edited user (unless creating user with current setup)
4133     if (!create_user ||
4134         !Request("Use current setup values for the new player?", REQ_ASK))
4135       LoadSetup();
4136   }
4137
4138   // change name of edited user in setup structure
4139   strcpy(setup.player_name, name);
4140
4141   // save setup of edited user
4142   SaveSetup();
4143
4144   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4145   {
4146     if (reset_setup)
4147     {
4148       if (Request("Reset setup values for this player?", REQ_ASK))
4149       {
4150         // remove setup config file
4151         unlink(getSetupFilename());
4152
4153         // set player name to default player name
4154         LoadSetup();
4155
4156         // update player name used by name typing functions
4157         strcpy(name, setup.player_name);
4158
4159         setTypeNameValues_Name(name, pos);
4160
4161         Request("Setup values reset to default values!", REQ_CONFIRM);
4162       }
4163     }
4164     else if (remove_user && type_name_nr != 0)
4165     {
4166       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4167       {
4168         char *user_dir = getUserGameDataDir();
4169         char *user_dir_removed =
4170           getStringCat3WithSeparator(user_dir, "REMOVED",
4171                                      getCurrentTimestamp(), ".");
4172
4173         if (rename(user_dir, user_dir_removed) == 0)
4174           Request("Player settings and tapes removed!", REQ_CONFIRM);
4175         else
4176           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4177
4178         checked_free(user_dir_removed);
4179       }
4180     }
4181
4182     // restore currently active user
4183     user.nr = last_user_nr;
4184
4185     // restore setup of currently active user
4186     LoadSetup();
4187   }
4188 }
4189
4190 static void HandleTypeNameExt(boolean initialize, Key key)
4191 {
4192   static struct TextPosInfo pos_name = { 0 };
4193   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4194   static int xpos = 0;
4195   struct TextPosInfo *pos = &pos_name;
4196   char key_char = getValidConfigValueChar(getCharFromKey(key));
4197   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4198   boolean active = TRUE;
4199
4200   if (initialize)
4201   {
4202     getTypeNameValues(name, pos, &xpos);
4203
4204     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4205     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4206
4207     StartTextInput(sx, sy, pos->width, pos->height);
4208   }
4209   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4210   {
4211     name[xpos] = key_char;
4212     name[xpos + 1] = 0;
4213
4214     xpos++;
4215   }
4216   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4217   {
4218     xpos--;
4219
4220     name[xpos] = 0;
4221   }
4222   else if (key == KSYM_Return)
4223   {
4224     setTypeNameValues(name, pos, TRUE);
4225
4226     active = FALSE;
4227   }
4228   else if (key == KSYM_Escape)
4229   {
4230     setTypeNameValues(name, pos, FALSE);
4231
4232     active = FALSE;
4233   }
4234
4235   drawTypeNameText(name, pos, active);
4236
4237   if (!active)
4238   {
4239     StopTextInput();
4240
4241     SetGameStatus(game_status_last_screen);
4242
4243     if (game_status == GAME_MODE_MAIN)
4244       InitializeMainControls();
4245   }
4246 }
4247
4248 static void DrawTypeName(void)
4249 {
4250   HandleTypeNameExt(TRUE, 0);
4251 }
4252
4253 void HandleTypeName(Key key)
4254 {
4255   HandleTypeNameExt(FALSE, key);
4256 }
4257
4258
4259 // ============================================================================
4260 // tree menu functions
4261 // ============================================================================
4262
4263 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4264 {
4265   if (game_status != GAME_MODE_SETUP ||
4266       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4267     return 0;
4268
4269   int max_text_size = 0;
4270   TreeInfo *node;
4271
4272   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4273     max_text_size = MAX(max_text_size, strlen(node->name));
4274
4275   int num_entries = numTreeInfoInGroup(ti);
4276   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4277   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4278   int button_width = SC_MENUBUTTON_XSIZE;
4279   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4280   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4281   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4282   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4283   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4284   int align_xoffset = MAX(0, align_xoffset_raw);
4285
4286   return align_xoffset;
4287 }
4288
4289 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4290 {
4291   if (game_status != GAME_MODE_SETUP ||
4292       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4293     return 0;
4294
4295   int num_entries = numTreeInfoInGroup(ti);
4296   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4297   int font_height = getFontHeight(FONT_TEXT_1);
4298   int text_height = font_height * num_page_entries;
4299   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4300   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4301   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4302   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4303   int align_yoffset = MAX(0, align_yoffset_raw);
4304
4305   return align_yoffset;
4306 }
4307
4308 static void DrawChooseTree(TreeInfo **ti_ptr)
4309 {
4310   int fade_mask = REDRAW_FIELD;
4311
4312   if (CheckFadeAll())
4313     fade_mask = REDRAW_ALL;
4314
4315   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4316   {
4317     SetGameStatus(GAME_MODE_MAIN);
4318
4319     DrawMainMenu();
4320
4321     return;
4322   }
4323
4324   UnmapAllGadgets();
4325
4326   FreeScreenGadgets();
4327   CreateScreenGadgets();
4328
4329   FadeOut(fade_mask);
4330
4331   // needed if different viewport properties defined for choosing level (set)
4332   ChangeViewportPropertiesIfNeeded();
4333
4334   if (game_status == GAME_MODE_NAMES)
4335     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4336   else if (game_status == GAME_MODE_LEVELNR)
4337     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4338   else if (game_status == GAME_MODE_LEVELS)
4339     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4340
4341   ClearField();
4342
4343   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4344
4345   MapScreenTreeGadgets(*ti_ptr);
4346   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4347
4348   DrawMaskedBorder(fade_mask);
4349
4350   FadeIn(fade_mask);
4351 }
4352
4353 static void drawChooseTreeList(int first_entry, int num_page_entries,
4354                                TreeInfo *ti)
4355 {
4356   int num_entries = numTreeInfoInGroup(ti);
4357   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4358   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4359   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4360   int font_nr = FONT_TEXT_1;
4361   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4362   int i;
4363   char *title_string = NULL;
4364   int yoffset_sets = MENU_TITLE1_YPOS;
4365   int yoffset_setup = 16;
4366   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4367                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4368
4369   title_string = ti->infotext;
4370
4371   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4372
4373   clearMenuListArea();
4374
4375   for (i = 0; i < num_page_entries; i++)
4376   {
4377     TreeInfo *node, *node_first;
4378     int entry_pos = first_entry + i;
4379     int xpos = MENU_SCREEN_START_XPOS;
4380     int ypos = MENU_SCREEN_START_YPOS + i;
4381     int startx = amSX + xpos * 32;
4382     int starty = amSY + ypos * 32;
4383     int startx_text = startx + font_xoffset;
4384     int endx_text = amSX + screen_width;
4385     int max_text_size = endx_text - startx_text;
4386     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4387     char buffer[max_buffer_len + 1];
4388
4389     node_first = getTreeInfoFirstGroupEntry(ti);
4390     node = getTreeInfoFromPos(node_first, entry_pos);
4391
4392     strncpy(buffer, node->name, max_buffer_len);
4393     buffer[max_buffer_len] = '\0';
4394
4395     DrawText(startx, starty, buffer, font_nr + node->color);
4396
4397     if (node->parent_link)
4398       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4399     else if (node->level_group)
4400       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4401     else
4402       initCursor(i, IMG_MENU_BUTTON);
4403
4404     if (game_status == GAME_MODE_NAMES)
4405       drawChooseTreeEdit(i, FALSE);
4406   }
4407
4408   redraw_mask |= REDRAW_FIELD;
4409 }
4410
4411 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4412 {
4413   TreeInfo *node, *node_first;
4414   int x, last_redraw_mask = redraw_mask;
4415   int ypos = MENU_TITLE2_YPOS;
4416   int font_nr = FONT_TITLE_2;
4417
4418   if (ti->type == TREE_TYPE_LEVEL_NR)
4419     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4420
4421   if (ti->type != TREE_TYPE_LEVEL_DIR)
4422     return;
4423
4424   node_first = getTreeInfoFirstGroupEntry(ti);
4425   node = getTreeInfoFromPos(node_first, entry_pos);
4426
4427   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4428
4429   if (node->parent_link)
4430     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4431                       node->node_parent->name);
4432   else if (node->level_group)
4433     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4434                       node->name);
4435   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4436     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4437                       node->levels, (node->levels > 1 ? "levels" : "level"),
4438                       node->class_desc);
4439
4440   // let BackToFront() redraw only what is needed
4441   redraw_mask = last_redraw_mask;
4442   for (x = 0; x < SCR_FIELDX; x++)
4443     MarkTileDirty(x, 1);
4444 }
4445
4446 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4447                              TreeInfo **ti_ptr)
4448 {
4449   TreeInfo *ti = *ti_ptr;
4450   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4451   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4452   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4453   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4454   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4455   int x = 0;
4456   int y = ti->cl_cursor;
4457   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4458   int num_entries = numTreeInfoInGroup(ti);
4459   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4460   boolean position_set_by_scrollbar = (dx == 999);
4461
4462   if (button == MB_MENU_INITIALIZE)
4463   {
4464     int num_entries = numTreeInfoInGroup(ti);
4465     int entry_pos = getPosFromTreeInfo(ti);
4466
4467     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4468     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4469
4470     if (ti->cl_first == -1)
4471     {
4472       // only on initialization
4473       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4474       ti->cl_cursor = entry_pos - ti->cl_first;
4475     }
4476     else if (ti->cl_cursor >= num_page_entries ||
4477              (num_entries > num_page_entries &&
4478               num_entries - ti->cl_first < num_page_entries))
4479     {
4480       // only after change of list size (by custom graphic configuration)
4481       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4482       ti->cl_cursor = entry_pos - ti->cl_first;
4483     }
4484
4485     if (position_set_by_scrollbar)
4486       ti->cl_first = dy;
4487     else
4488       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4489                                 ti->cl_first, ti);
4490
4491     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4492     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4493     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4494
4495     return;
4496   }
4497   else if (button == MB_MENU_LEAVE)
4498   {
4499     FadeSetLeaveMenu();
4500
4501     PlaySound(SND_MENU_ITEM_SELECTING);
4502
4503     if (ti->node_parent)
4504     {
4505       *ti_ptr = ti->node_parent;
4506       DrawChooseTree(ti_ptr);
4507     }
4508     else if (game_status == GAME_MODE_SETUP)
4509     {
4510       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4511           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4512           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4513         execSetupGame();
4514       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4515                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4516                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4517                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4518         execSetupGraphics();
4519       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4520                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4521                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4522         execSetupSound();
4523       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4524                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4525                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4526                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4527                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4528                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4529                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4530                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4531         execSetupTouch();
4532       else
4533         execSetupArtwork();
4534     }
4535     else
4536     {
4537       if (game_status == GAME_MODE_LEVELNR)
4538       {
4539         int new_level_nr = atoi(level_number_current->identifier);
4540
4541         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4542       }
4543
4544       SetGameStatus(GAME_MODE_MAIN);
4545
4546       DrawMainMenu();
4547     }
4548
4549     return;
4550   }
4551
4552   if (mx || my)         // mouse input
4553   {
4554     x = (mx - amSX) / 32;
4555     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4556
4557     if (game_status == GAME_MODE_NAMES)
4558       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4559   }
4560   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4561   {
4562     // move cursor instead of scrolling when already at start/end of list
4563     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4564       dy = -1;
4565     else if (dy == +1 * SCROLL_LINE &&
4566              ti->cl_first + num_page_entries == num_entries)
4567       dy = 1;
4568
4569     // handle scrolling screen one line or page
4570     if (ti->cl_cursor + dy < 0 ||
4571         ti->cl_cursor + dy > num_page_entries - 1)
4572     {
4573       boolean redraw = FALSE;
4574
4575       if (ABS(dy) == SCROLL_PAGE)
4576         step = num_page_entries - 1;
4577
4578       if (dy < 0 && ti->cl_first > 0)
4579       {
4580         // scroll page/line up
4581
4582         ti->cl_first -= step;
4583         if (ti->cl_first < 0)
4584           ti->cl_first = 0;
4585
4586         redraw = TRUE;
4587       }
4588       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4589       {
4590         // scroll page/line down
4591
4592         ti->cl_first += step;
4593         if (ti->cl_first + num_page_entries > num_entries)
4594           ti->cl_first = MAX(0, num_entries - num_page_entries);
4595
4596         redraw = TRUE;
4597       }
4598
4599       if (redraw)
4600       {
4601         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4602         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4603         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4604
4605         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4606                                   ti->cl_first, ti);
4607       }
4608
4609       return;
4610     }
4611
4612     // handle moving cursor one line
4613     y = ti->cl_cursor + dy;
4614   }
4615
4616   if (dx == 1)
4617   {
4618     TreeInfo *node_first, *node_cursor;
4619     int entry_pos = ti->cl_first + y;
4620
4621     node_first = getTreeInfoFirstGroupEntry(ti);
4622     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4623
4624     if (node_cursor->node_group)
4625     {
4626       FadeSetEnterMenu();
4627
4628       PlaySound(SND_MENU_ITEM_SELECTING);
4629
4630       node_cursor->cl_first = ti->cl_first;
4631       node_cursor->cl_cursor = ti->cl_cursor;
4632       *ti_ptr = node_cursor->node_group;
4633       DrawChooseTree(ti_ptr);
4634
4635       return;
4636     }
4637   }
4638   else if (dx == -1 && ti->node_parent)
4639   {
4640     FadeSetLeaveMenu();
4641
4642     PlaySound(SND_MENU_ITEM_SELECTING);
4643
4644     *ti_ptr = ti->node_parent;
4645     DrawChooseTree(ti_ptr);
4646
4647     return;
4648   }
4649
4650   if (!anyScrollbarGadgetActive() &&
4651       IN_VIS_MENU(x, y) &&
4652       mx < mx_right_border &&
4653       y >= 0 && y < num_page_entries)
4654   {
4655     if (button)
4656     {
4657       if (game_status == GAME_MODE_NAMES)
4658       {
4659         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4660           drawChooseTreeEdit(y, TRUE);
4661       }
4662
4663       if (y != ti->cl_cursor)
4664       {
4665         PlaySound(SND_MENU_ITEM_ACTIVATING);
4666
4667         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4668         drawChooseTreeCursor(y, TRUE);
4669         drawChooseTreeInfo(ti->cl_first + y, ti);
4670
4671         ti->cl_cursor = y;
4672       }
4673       else if (dx < 0)
4674       {
4675         if (game_status == GAME_MODE_SETUP)
4676         {
4677           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4678               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4679               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4680             execSetupGame();
4681           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4682                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4683                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4684                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4685             execSetupGraphics();
4686           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4687                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4688                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4689             execSetupSound();
4690           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4691                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4692                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4693                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4694                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4695                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4696                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4697                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4698             execSetupTouch();
4699           else
4700             execSetupArtwork();
4701         }
4702       }
4703     }
4704     else
4705     {
4706       TreeInfo *node_first, *node_cursor;
4707       int entry_pos = ti->cl_first + y;
4708
4709       PlaySound(SND_MENU_ITEM_SELECTING);
4710
4711       node_first = getTreeInfoFirstGroupEntry(ti);
4712       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4713
4714       if (node_cursor->node_group)
4715       {
4716         FadeSetEnterMenu();
4717
4718         node_cursor->cl_first = ti->cl_first;
4719         node_cursor->cl_cursor = ti->cl_cursor;
4720         *ti_ptr = node_cursor->node_group;
4721         DrawChooseTree(ti_ptr);
4722       }
4723       else if (node_cursor->parent_link)
4724       {
4725         FadeSetLeaveMenu();
4726
4727         *ti_ptr = node_cursor->node_parent;
4728         DrawChooseTree(ti_ptr);
4729       }
4730       else
4731       {
4732         FadeSetEnterMenu();
4733
4734         node_cursor->cl_first = ti->cl_first;
4735         node_cursor->cl_cursor = ti->cl_cursor;
4736         *ti_ptr = node_cursor;
4737
4738         if (ti->type == TREE_TYPE_LEVEL_DIR)
4739         {
4740           LoadLevelSetup_SeriesInfo();
4741
4742           SaveLevelSetup_LastSeries();
4743           SaveLevelSetup_SeriesInfo();
4744           TapeErase();
4745         }
4746
4747         if (game_status == GAME_MODE_SETUP)
4748         {
4749           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4750               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4751               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4752             execSetupGame();
4753           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4754                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4755                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4756                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4757             execSetupGraphics();
4758           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4759                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4760                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4761             execSetupSound();
4762           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4763                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4764                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4765                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4766                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4767                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4768                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4769                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4770             execSetupTouch();
4771           else
4772             execSetupArtwork();
4773         }
4774         else
4775         {
4776           if (game_status == GAME_MODE_LEVELNR)
4777           {
4778             int new_level_nr = atoi(level_number_current->identifier);
4779
4780             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4781           }
4782           else if (game_status == GAME_MODE_NAMES)
4783           {
4784             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4785             {
4786               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4787
4788               DrawTypeName();
4789
4790               return;
4791             }
4792
4793             // change active user to selected user
4794             user.nr = entry_pos;
4795
4796             // save number of new active user
4797             SaveUserSetup();
4798
4799             // load setup of new active user
4800             LoadSetup();
4801
4802             // load last level set of new active user
4803             LoadLevelSetup_LastSeries();
4804             LoadLevelSetup_SeriesInfo();
4805
4806             TapeErase();
4807
4808             ToggleFullscreenIfNeeded();
4809             ChangeWindowScalingIfNeeded();
4810
4811             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
4812             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
4813             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
4814           }
4815
4816           SetGameStatus(GAME_MODE_MAIN);
4817
4818           DrawMainMenu();
4819         }
4820       }
4821     }
4822   }
4823 }
4824
4825 void DrawChoosePlayerName(void)
4826 {
4827   int i;
4828
4829   FadeMenuSoundsAndMusic();
4830
4831   if (player_name != NULL)
4832   {
4833     freeTreeInfo(player_name);
4834
4835     player_name = NULL;
4836   }
4837
4838   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4839   {
4840     boolean team_mode = (!network.enabled && setup.team_mode);
4841     int tree_type = (team_mode ? TREE_TYPE_PLAYER_TEAM : TREE_TYPE_PLAYER_NAME);
4842     TreeInfo *ti = newTreeInfo_setDefaults(tree_type);
4843     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4844     int value = i;
4845
4846     ti->node_top = &player_name;
4847     ti->sort_priority = 10000 + value;
4848     ti->color = FC_RED;
4849
4850     if (strEqual(global.user_names[i], EMPTY_PLAYER_NAME))
4851       ti->color = FC_BLUE;
4852
4853     snprintf(identifier, sizeof(identifier), "%d", value);
4854     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4855
4856     setString(&ti->identifier, identifier);
4857     setString(&ti->name, name);
4858     setString(&ti->name_sorting, name);
4859
4860     pushTreeInfo(&player_name, ti);
4861   }
4862
4863   // sort player entries by player number
4864   sortTreeInfo(&player_name);
4865
4866   // set current player entry to selected player entry
4867   player_name_current =
4868     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4869
4870   // if that fails, set current player name to first available name
4871   if (player_name_current == NULL)
4872     player_name_current = player_name;
4873
4874   DrawChooseTree(&player_name_current);
4875
4876   PlayMenuSoundsAndMusic();
4877 }
4878
4879 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4880 {
4881   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4882 }
4883
4884 void DrawChooseLevelSet(void)
4885 {
4886   FadeMenuSoundsAndMusic();
4887
4888   DrawChooseTree(&leveldir_current);
4889
4890   PlayMenuSoundsAndMusic();
4891 }
4892
4893 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4894 {
4895   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4896 }
4897
4898 void DrawChooseLevelNr(void)
4899 {
4900   int i;
4901
4902   FadeMenuSoundsAndMusic();
4903
4904   if (level_number != NULL)
4905   {
4906     freeTreeInfo(level_number);
4907
4908     level_number = NULL;
4909   }
4910
4911   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4912   {
4913     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4914     char identifier[32], name[64];
4915     int value = i;
4916
4917     // temporarily load level info to get level name
4918     LoadLevelInfoOnly(i);
4919
4920     ti->node_top = &level_number;
4921     ti->sort_priority = 10000 + value;
4922     ti->color = (level.no_level_file ? FC_BLUE :
4923                  LevelStats_getSolved(i) ? FC_GREEN :
4924                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4925
4926     snprintf(identifier, sizeof(identifier), "%d", value);
4927     snprintf(name, sizeof(name), "%03d: %s", value,
4928              (level.no_level_file ? "(no file)" : level.name));
4929
4930     setString(&ti->identifier, identifier);
4931     setString(&ti->name, name);
4932     setString(&ti->name_sorting, name);
4933
4934     pushTreeInfo(&level_number, ti);
4935   }
4936
4937   // sort level number values to start with lowest level number
4938   sortTreeInfo(&level_number);
4939
4940   // set current level number to current level number
4941   level_number_current =
4942     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4943
4944   // if that also fails, set current level number to first available level
4945   if (level_number_current == NULL)
4946     level_number_current = level_number;
4947
4948   DrawChooseTree(&level_number_current);
4949
4950   PlayMenuSoundsAndMusic();
4951 }
4952
4953 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4954 {
4955   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4956 }
4957
4958 void DrawHallOfFame(int level_nr, int highlight_position)
4959 {
4960   int fade_mask = REDRAW_FIELD;
4961
4962   if (CheckFadeAll())
4963     fade_mask = REDRAW_ALL;
4964
4965   UnmapAllGadgets();
4966   FadeMenuSoundsAndMusic();
4967
4968   // (this is needed when called from GameEnd() after winning a game)
4969   KeyboardAutoRepeatOn();
4970
4971   // (this is needed when called from GameEnd() after winning a game)
4972   SetDrawDeactivationMask(REDRAW_NONE);
4973   SetDrawBackgroundMask(REDRAW_FIELD);
4974
4975   if (highlight_position < 0)
4976     LoadScore(level_nr);
4977   else
4978     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4979
4980   FadeSetEnterScreen();
4981
4982   FadeOut(fade_mask);
4983
4984   // needed if different viewport properties defined for scores
4985   ChangeViewportPropertiesIfNeeded();
4986
4987   PlayMenuSoundsAndMusic();
4988
4989   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4990
4991   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4992
4993   DrawMaskedBorder(fade_mask);
4994
4995   FadeIn(fade_mask);
4996 }
4997
4998 static void drawHallOfFameList(int level_nr, int first_entry,
4999                                int highlight_position)
5000 {
5001   int i, j;
5002
5003   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5004   ClearField();
5005
5006   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5007   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5008                     "HighScores of Level %d", level_nr);
5009
5010   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5011   {
5012     int entry = first_entry + i;
5013     boolean active = (entry == highlight_position);
5014     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5015     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5016     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5017     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5018     int dxoff = getFontDrawOffsetX(font_nr1);
5019     int dx1 = 3 * getFontWidth(font_nr1);
5020     int dx2 = dx1 + getFontWidth(font_nr1);
5021     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5022     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5023     int sy = mSY + 64 + i * 32;
5024
5025     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
5026     DrawText(mSX + dx1, sy, ".", font_nr1);
5027
5028     for (j = 0; j < num_dots; j++)
5029       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5030
5031     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
5032       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
5033
5034     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
5035   }
5036
5037   redraw_mask |= REDRAW_FIELD;
5038 }
5039
5040 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5041 {
5042   static int level_nr = 0;
5043   static int first_entry = 0;
5044   static int highlight_position = 0;
5045   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5046
5047   if (button == MB_MENU_INITIALIZE)
5048   {
5049     level_nr = mx;
5050     first_entry = 0;
5051     highlight_position = my;
5052
5053     drawHallOfFameList(level_nr, first_entry, highlight_position);
5054
5055     return;
5056   }
5057
5058   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5059     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5060
5061   if (dy < 0)
5062   {
5063     if (first_entry > 0)
5064     {
5065       first_entry -= step;
5066       if (first_entry < 0)
5067         first_entry = 0;
5068
5069       drawHallOfFameList(level_nr, first_entry, highlight_position);
5070     }
5071   }
5072   else if (dy > 0)
5073   {
5074     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
5075     {
5076       first_entry += step;
5077       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5078         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5079
5080       drawHallOfFameList(level_nr, first_entry, highlight_position);
5081     }
5082   }
5083   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5084   {
5085     PlaySound(SND_MENU_ITEM_SELECTING);
5086
5087     FadeSound(SND_BACKGROUND_SCORES);
5088
5089     if (button == MB_MENU_CHOICE &&
5090         game_status_last_screen == GAME_MODE_PLAYING &&
5091         setup.auto_play_next_level && setup.increment_levels &&
5092         level_nr < leveldir_current->last_level &&
5093         !network_playing)
5094     {
5095       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5096     }
5097     else
5098     {
5099       SetGameStatus(GAME_MODE_MAIN);
5100
5101       DrawMainMenu();
5102     }
5103   }
5104
5105   if (game_status == GAME_MODE_SCORES)
5106     PlayMenuSoundIfLoop();
5107 }
5108
5109
5110 // ============================================================================
5111 // setup screen functions
5112 // ============================================================================
5113
5114 static struct TokenInfo *setup_info;
5115 static int num_setup_info;      // number of setup entries shown on screen
5116 static int max_setup_info;      // total number of setup entries in list
5117
5118 static char *window_size_text;
5119 static char *scaling_type_text;
5120 static char *rendering_mode_text;
5121 static char *vsync_mode_text;
5122 static char *scroll_delay_text;
5123 static char *snapshot_mode_text;
5124 static char *game_speed_text;
5125 static char *network_server_text;
5126 static char *graphics_set_name;
5127 static char *sounds_set_name;
5128 static char *music_set_name;
5129 static char *volume_simple_text;
5130 static char *volume_loops_text;
5131 static char *volume_music_text;
5132 static char *touch_controls_text;
5133 static char *move_distance_text;
5134 static char *drop_distance_text;
5135 static char *transparency_text;
5136 static char *grid_size_text[2][2];
5137
5138 static void execSetupMain(void)
5139 {
5140   setup_mode = SETUP_MODE_MAIN;
5141
5142   DrawSetupScreen();
5143 }
5144
5145 static void execSetupGame_setGameSpeeds(boolean update_value)
5146 {
5147   if (setup.game_speed_extended)
5148   {
5149     game_speeds_list = game_speeds_list_extended;
5150     game_speeds      = game_speeds_extended;
5151   }
5152   else
5153   {
5154     game_speeds_list = game_speeds_list_normal;
5155     game_speeds      = game_speeds_normal;
5156   }
5157
5158   if (game_speeds == NULL)
5159   {
5160     int i;
5161
5162     for (i = 0; game_speeds_list[i].value != -1; i++)
5163     {
5164       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5165       char identifier[32], name[32];
5166       int value = game_speeds_list[i].value;
5167       char *text = game_speeds_list[i].text;
5168
5169       ti->node_top = &game_speeds;
5170       ti->sort_priority = 10000 - value;
5171
5172       sprintf(identifier, "%d", value);
5173       sprintf(name, "%s", text);
5174
5175       setString(&ti->identifier, identifier);
5176       setString(&ti->name, name);
5177       setString(&ti->name_sorting, name);
5178       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5179
5180       pushTreeInfo(&game_speeds, ti);
5181     }
5182
5183     // sort game speed values to start with slowest game speed
5184     sortTreeInfo(&game_speeds);
5185
5186     update_value = TRUE;
5187   }
5188
5189   if (update_value)
5190   {
5191     // set current game speed to configured game speed value
5192     game_speed_current =
5193       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5194
5195     // if that fails, set current game speed to reliable default value
5196     if (game_speed_current == NULL)
5197       game_speed_current =
5198         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5199
5200     // if that also fails, set current game speed to first available speed
5201     if (game_speed_current == NULL)
5202       game_speed_current = game_speeds;
5203
5204     if (setup.game_speed_extended)
5205       game_speeds_extended = game_speeds;
5206     else
5207       game_speeds_normal = game_speeds;
5208   }
5209
5210   setup.game_frame_delay = atoi(game_speed_current->identifier);
5211
5212   // needed for displaying game speed text instead of identifier
5213   game_speed_text = game_speed_current->name;
5214 }
5215
5216 static void execSetupGame_setScrollDelays(void)
5217 {
5218   if (scroll_delays == NULL)
5219   {
5220     int i;
5221
5222     for (i = 0; scroll_delays_list[i].value != -1; i++)
5223     {
5224       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5225       char identifier[32], name[32];
5226       int value = scroll_delays_list[i].value;
5227       char *text = scroll_delays_list[i].text;
5228
5229       ti->node_top = &scroll_delays;
5230       ti->sort_priority = value;
5231
5232       sprintf(identifier, "%d", value);
5233       sprintf(name, "%s", text);
5234
5235       setString(&ti->identifier, identifier);
5236       setString(&ti->name, name);
5237       setString(&ti->name_sorting, name);
5238       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5239
5240       pushTreeInfo(&scroll_delays, ti);
5241     }
5242
5243     // sort scroll delay values to start with lowest scroll delay value
5244     sortTreeInfo(&scroll_delays);
5245
5246     // set current scroll delay value to configured scroll delay value
5247     scroll_delay_current =
5248       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5249
5250     // if that fails, set current scroll delay to reliable default value
5251     if (scroll_delay_current == NULL)
5252       scroll_delay_current =
5253         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5254
5255     // if that also fails, set current scroll delay to first available value
5256     if (scroll_delay_current == NULL)
5257       scroll_delay_current = scroll_delays;
5258   }
5259
5260   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5261
5262   // needed for displaying scroll delay text instead of identifier
5263   scroll_delay_text = scroll_delay_current->name;
5264 }
5265
5266 static void execSetupGame_setSnapshotModes(void)
5267 {
5268   if (snapshot_modes == NULL)
5269   {
5270     int i;
5271
5272     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5273     {
5274       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5275       char identifier[32], name[32];
5276       char *value = snapshot_modes_list[i].value;
5277       char *text = snapshot_modes_list[i].text;
5278
5279       ti->node_top = &snapshot_modes;
5280       ti->sort_priority = i;
5281
5282       sprintf(identifier, "%s", value);
5283       sprintf(name, "%s", text);
5284
5285       setString(&ti->identifier, identifier);
5286       setString(&ti->name, name);
5287       setString(&ti->name_sorting, name);
5288       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5289
5290       pushTreeInfo(&snapshot_modes, ti);
5291     }
5292
5293     // sort snapshot mode values to start with lowest snapshot mode value
5294     sortTreeInfo(&snapshot_modes);
5295
5296     // set current snapshot mode value to configured snapshot mode value
5297     snapshot_mode_current =
5298       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5299
5300     // if that fails, set current snapshot mode to reliable default value
5301     if (snapshot_mode_current == NULL)
5302       snapshot_mode_current =
5303         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5304
5305     // if that also fails, set current snapshot mode to first available value
5306     if (snapshot_mode_current == NULL)
5307       snapshot_mode_current = snapshot_modes;
5308   }
5309
5310   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5311
5312   // needed for displaying snapshot mode text instead of identifier
5313   snapshot_mode_text = snapshot_mode_current->name;
5314 }
5315
5316 static void execSetupGame_setNetworkServerText(void)
5317 {
5318   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5319   {
5320     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5321   }
5322   else
5323   {
5324     strncpy(network_server_hostname, setup.network_server_hostname,
5325             MAX_SETUP_TEXT_INPUT_LEN);
5326     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5327   }
5328
5329   // needed for displaying network server text instead of identifier
5330   network_server_text = network_server_hostname;
5331 }
5332
5333 static void execSetupGame(void)
5334 {
5335   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5336
5337   execSetupGame_setGameSpeeds(FALSE);
5338   execSetupGame_setScrollDelays();
5339   execSetupGame_setSnapshotModes();
5340
5341   execSetupGame_setNetworkServerText();
5342
5343   setup_mode = SETUP_MODE_GAME;
5344
5345   DrawSetupScreen();
5346
5347   // check if vsync needs to be disabled for this game speed to work
5348   if (check_vsync_mode)
5349     DisableVsyncIfNeeded();
5350 }
5351
5352 static void execSetupChooseGameSpeed(void)
5353 {
5354   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5355
5356   DrawSetupScreen();
5357 }
5358
5359 static void execSetupChooseScrollDelay(void)
5360 {
5361   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5362
5363   DrawSetupScreen();
5364 }
5365
5366 static void execSetupChooseSnapshotMode(void)
5367 {
5368   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5369
5370   DrawSetupScreen();
5371 }
5372
5373 static void execSetupEngines(void)
5374 {
5375   setup_mode = SETUP_MODE_ENGINES;
5376
5377   DrawSetupScreen();
5378 }
5379
5380 static void execSetupEditor(void)
5381 {
5382   setup_mode = SETUP_MODE_EDITOR;
5383
5384   DrawSetupScreen();
5385 }
5386
5387 static void execSetupGraphics_setWindowSizes(boolean update_list)
5388 {
5389   if (window_sizes != NULL && update_list)
5390   {
5391     freeTreeInfo(window_sizes);
5392
5393     window_sizes = NULL;
5394   }
5395
5396   if (window_sizes == NULL)
5397   {
5398     boolean current_window_size_found = FALSE;
5399     int i;
5400
5401     for (i = 0; window_sizes_list[i].value != -1; i++)
5402     {
5403       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5404       char identifier[32], name[32];
5405       int value = window_sizes_list[i].value;
5406       char *text = window_sizes_list[i].text;
5407
5408       ti->node_top = &window_sizes;
5409       ti->sort_priority = value;
5410
5411       sprintf(identifier, "%d", value);
5412       sprintf(name, "%s", text);
5413
5414       setString(&ti->identifier, identifier);
5415       setString(&ti->name, name);
5416       setString(&ti->name_sorting, name);
5417       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5418
5419       pushTreeInfo(&window_sizes, ti);
5420
5421       if (value == setup.window_scaling_percent)
5422         current_window_size_found = TRUE;
5423     }
5424
5425     if (!current_window_size_found)
5426     {
5427       // add entry for non-preset window scaling value
5428
5429       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5430       char identifier[32], name[32];
5431       int value = setup.window_scaling_percent;
5432
5433       ti->node_top = &window_sizes;
5434       ti->sort_priority = value;
5435
5436       sprintf(identifier, "%d", value);
5437       sprintf(name, "%d %% (Current)", value);
5438
5439       setString(&ti->identifier, identifier);
5440       setString(&ti->name, name);
5441       setString(&ti->name_sorting, name);
5442       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5443
5444       pushTreeInfo(&window_sizes, ti);
5445     }
5446
5447     // sort window size values to start with lowest window size value
5448     sortTreeInfo(&window_sizes);
5449
5450     // set current window size value to configured window size value
5451     window_size_current =
5452       getTreeInfoFromIdentifier(window_sizes,
5453                                 i_to_a(setup.window_scaling_percent));
5454
5455     // if that fails, set current window size to reliable default value
5456     if (window_size_current == NULL)
5457       window_size_current =
5458         getTreeInfoFromIdentifier(window_sizes,
5459                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5460
5461     // if that also fails, set current window size to first available value
5462     if (window_size_current == NULL)
5463       window_size_current = window_sizes;
5464   }
5465
5466   setup.window_scaling_percent = atoi(window_size_current->identifier);
5467
5468   // needed for displaying window size text instead of identifier
5469   window_size_text = window_size_current->name;
5470 }
5471
5472 static void execSetupGraphics_setScalingTypes(void)
5473 {
5474   if (scaling_types == NULL)
5475   {
5476     int i;
5477
5478     for (i = 0; scaling_types_list[i].value != NULL; i++)
5479     {
5480       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5481       char identifier[32], name[32];
5482       char *value = scaling_types_list[i].value;
5483       char *text = scaling_types_list[i].text;
5484
5485       ti->node_top = &scaling_types;
5486       ti->sort_priority = i;
5487
5488       sprintf(identifier, "%s", value);
5489       sprintf(name, "%s", text);
5490
5491       setString(&ti->identifier, identifier);
5492       setString(&ti->name, name);
5493       setString(&ti->name_sorting, name);
5494       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5495
5496       pushTreeInfo(&scaling_types, ti);
5497     }
5498
5499     // sort scaling type values to start with lowest scaling type value
5500     sortTreeInfo(&scaling_types);
5501
5502     // set current scaling type value to configured scaling type value
5503     scaling_type_current =
5504       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5505
5506     // if that fails, set current scaling type to reliable default value
5507     if (scaling_type_current == NULL)
5508       scaling_type_current =
5509         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5510
5511     // if that also fails, set current scaling type to first available value
5512     if (scaling_type_current == NULL)
5513       scaling_type_current = scaling_types;
5514   }
5515
5516   setup.window_scaling_quality = scaling_type_current->identifier;
5517
5518   // needed for displaying scaling type text instead of identifier
5519   scaling_type_text = scaling_type_current->name;
5520 }
5521
5522 static void execSetupGraphics_setRenderingModes(void)
5523 {
5524   if (rendering_modes == NULL)
5525   {
5526     int i;
5527
5528     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5529     {
5530       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5531       char identifier[32], name[32];
5532       char *value = rendering_modes_list[i].value;
5533       char *text = rendering_modes_list[i].text;
5534
5535       ti->node_top = &rendering_modes;
5536       ti->sort_priority = i;
5537
5538       sprintf(identifier, "%s", value);
5539       sprintf(name, "%s", text);
5540
5541       setString(&ti->identifier, identifier);
5542       setString(&ti->name, name);
5543       setString(&ti->name_sorting, name);
5544       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5545
5546       pushTreeInfo(&rendering_modes, ti);
5547     }
5548
5549     // sort rendering mode values to start with lowest rendering mode value
5550     sortTreeInfo(&rendering_modes);
5551
5552     // set current rendering mode value to configured rendering mode value
5553     rendering_mode_current =
5554       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5555
5556     // if that fails, set current rendering mode to reliable default value
5557     if (rendering_mode_current == NULL)
5558       rendering_mode_current =
5559         getTreeInfoFromIdentifier(rendering_modes,
5560                                   STR_SPECIAL_RENDERING_DEFAULT);
5561
5562     // if that also fails, set current rendering mode to first available one
5563     if (rendering_mode_current == NULL)
5564       rendering_mode_current = rendering_modes;
5565   }
5566
5567   setup.screen_rendering_mode = rendering_mode_current->identifier;
5568
5569   // needed for displaying rendering mode text instead of identifier
5570   rendering_mode_text = rendering_mode_current->name;
5571 }
5572
5573 static void execSetupGraphics_setVsyncModes(boolean update_value)
5574 {
5575   if (vsync_modes == NULL)
5576   {
5577     int i;
5578
5579     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5580     {
5581       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5582       char identifier[32], name[32];
5583       char *value = vsync_modes_list[i].value;
5584       char *text = vsync_modes_list[i].text;
5585
5586       ti->node_top = &vsync_modes;
5587       ti->sort_priority = i;
5588
5589       sprintf(identifier, "%s", value);
5590       sprintf(name, "%s", text);
5591
5592       setString(&ti->identifier, identifier);
5593       setString(&ti->name, name);
5594       setString(&ti->name_sorting, name);
5595       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5596
5597       pushTreeInfo(&vsync_modes, ti);
5598     }
5599
5600     // sort vsync mode values to start with lowest vsync mode value
5601     sortTreeInfo(&vsync_modes);
5602
5603     update_value = TRUE;
5604   }
5605
5606   if (update_value)
5607   {
5608     // set current vsync mode value to configured vsync mode value
5609     vsync_mode_current =
5610       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5611
5612     // if that fails, set current vsync mode to reliable default value
5613     if (vsync_mode_current == NULL)
5614       vsync_mode_current =
5615         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5616
5617     // if that also fails, set current vsync mode to first available one
5618     if (vsync_mode_current == NULL)
5619       vsync_mode_current = vsync_modes;
5620   }
5621
5622   setup.vsync_mode = vsync_mode_current->identifier;
5623
5624   // needed for displaying vsync mode text instead of identifier
5625   vsync_mode_text = vsync_mode_current->name;
5626 }
5627
5628 static void execSetupGraphics(void)
5629 {
5630   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5631
5632   // update "setup.window_scaling_percent" from list selection
5633   // (in this case, window scaling was changed on setup screen)
5634   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5635     execSetupGraphics_setWindowSizes(FALSE);
5636
5637   // update "setup.vsync_mode" from list selection
5638   // (in this case, vsync mode was changed on setup screen)
5639   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5640     execSetupGraphics_setVsyncModes(FALSE);
5641
5642   // update list selection from "setup.window_scaling_percent"
5643   // (window scaling may have changed by resizing the window)
5644   execSetupGraphics_setWindowSizes(TRUE);
5645
5646   // update list selection from "setup.vsync_mode"
5647   // (vsync_mode may have changed by re-creating the renderer)
5648   execSetupGraphics_setVsyncModes(TRUE);
5649
5650   execSetupGraphics_setScalingTypes();
5651   execSetupGraphics_setRenderingModes();
5652
5653   setup_mode = SETUP_MODE_GRAPHICS;
5654
5655   DrawSetupScreen();
5656
5657   // check if game speed is high enough for 60 Hz vsync to work
5658   if (check_game_speed)
5659     ModifyGameSpeedIfNeeded();
5660
5661   // window scaling may have changed at this point
5662   ChangeWindowScalingIfNeeded();
5663
5664   // window scaling quality may have changed at this point
5665   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5666     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5667
5668   // screen rendering mode may have changed at this point
5669   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5670
5671   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5672   int video_vsync_mode = video.vsync_mode;
5673
5674   // screen vsync mode may have changed at this point
5675   ChangeVsyncModeIfNeeded();
5676
5677   // check if setting vsync mode to selected value failed
5678   if (setup_vsync_mode != video_vsync_mode &&
5679       setup_vsync_mode != video.vsync_mode)
5680   {
5681     // changing vsync mode to selected value failed -- reset displayed value
5682     execSetupGraphics_setVsyncModes(TRUE);
5683
5684     Request("Setting VSync failed!", REQ_CONFIRM);
5685
5686     DrawSetupScreen();
5687   }
5688 }
5689
5690 static void execSetupChooseWindowSize(void)
5691 {
5692   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5693
5694   DrawSetupScreen();
5695 }
5696
5697 static void execSetupChooseScalingType(void)
5698 {
5699   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5700
5701   DrawSetupScreen();
5702 }
5703
5704 static void execSetupChooseRenderingMode(void)
5705 {
5706   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5707
5708   DrawSetupScreen();
5709 }
5710
5711 static void execSetupChooseVsyncMode(void)
5712 {
5713   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5714
5715   DrawSetupScreen();
5716 }
5717
5718 static void execSetupChooseVolumeSimple(void)
5719 {
5720   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5721
5722   DrawSetupScreen();
5723 }
5724
5725 static void execSetupChooseVolumeLoops(void)
5726 {
5727   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5728
5729   DrawSetupScreen();
5730 }
5731
5732 static void execSetupChooseVolumeMusic(void)
5733 {
5734   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5735
5736   DrawSetupScreen();
5737 }
5738
5739 static void execSetupSound(void)
5740 {
5741   if (volumes_simple == NULL)
5742   {
5743     boolean current_volume_simple_found = FALSE;
5744     int i;
5745
5746     for (i = 0; volumes_list[i].value != -1; i++)
5747     {
5748       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5749       char identifier[32], name[32];
5750       int value = volumes_list[i].value;
5751       char *text = volumes_list[i].text;
5752
5753       ti->node_top = &volumes_simple;
5754       ti->sort_priority = value;
5755
5756       sprintf(identifier, "%d", value);
5757       sprintf(name, "%s", text);
5758
5759       setString(&ti->identifier, identifier);
5760       setString(&ti->name, name);
5761       setString(&ti->name_sorting, name);
5762       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5763
5764       pushTreeInfo(&volumes_simple, ti);
5765
5766       if (value == setup.volume_simple)
5767         current_volume_simple_found = TRUE;
5768     }
5769
5770     if (!current_volume_simple_found)
5771     {
5772       // add entry for non-preset volume value
5773
5774       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5775       char identifier[32], name[32];
5776       int value = setup.volume_simple;
5777
5778       ti->node_top = &volumes_simple;
5779       ti->sort_priority = value;
5780
5781       sprintf(identifier, "%d", value);
5782       sprintf(name, "%d %% (Current)", value);
5783
5784       setString(&ti->identifier, identifier);
5785       setString(&ti->name, name);
5786       setString(&ti->name_sorting, name);
5787       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5788
5789       pushTreeInfo(&volumes_simple, ti);
5790     }
5791
5792     // sort volume values to start with lowest volume value
5793     sortTreeInfo(&volumes_simple);
5794
5795     // set current volume value to configured volume value
5796     volume_simple_current =
5797       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5798
5799     // if that fails, set current volume to reliable default value
5800     if (volume_simple_current == NULL)
5801       volume_simple_current =
5802         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5803
5804     // if that also fails, set current volume to first available value
5805     if (volume_simple_current == NULL)
5806       volume_simple_current = volumes_simple;
5807   }
5808
5809   if (volumes_loops == NULL)
5810   {
5811     boolean current_volume_loops_found = FALSE;
5812     int i;
5813
5814     for (i = 0; volumes_list[i].value != -1; i++)
5815     {
5816       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5817       char identifier[32], name[32];
5818       int value = volumes_list[i].value;
5819       char *text = volumes_list[i].text;
5820
5821       ti->node_top = &volumes_loops;
5822       ti->sort_priority = value;
5823
5824       sprintf(identifier, "%d", value);
5825       sprintf(name, "%s", text);
5826
5827       setString(&ti->identifier, identifier);
5828       setString(&ti->name, name);
5829       setString(&ti->name_sorting, name);
5830       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5831
5832       pushTreeInfo(&volumes_loops, ti);
5833
5834       if (value == setup.volume_loops)
5835         current_volume_loops_found = TRUE;
5836     }
5837
5838     if (!current_volume_loops_found)
5839     {
5840       // add entry for non-preset volume value
5841
5842       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5843       char identifier[32], name[32];
5844       int value = setup.volume_loops;
5845
5846       ti->node_top = &volumes_loops;
5847       ti->sort_priority = value;
5848
5849       sprintf(identifier, "%d", value);
5850       sprintf(name, "%d %% (Current)", value);
5851
5852       setString(&ti->identifier, identifier);
5853       setString(&ti->name, name);
5854       setString(&ti->name_sorting, name);
5855       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5856
5857       pushTreeInfo(&volumes_loops, ti);
5858     }
5859
5860     // sort volume values to start with lowest volume value
5861     sortTreeInfo(&volumes_loops);
5862
5863     // set current volume value to configured volume value
5864     volume_loops_current =
5865       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5866
5867     // if that fails, set current volume to reliable default value
5868     if (volume_loops_current == NULL)
5869       volume_loops_current =
5870         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5871
5872     // if that also fails, set current volume to first available value
5873     if (volume_loops_current == NULL)
5874       volume_loops_current = volumes_loops;
5875   }
5876
5877   if (volumes_music == NULL)
5878   {
5879     boolean current_volume_music_found = FALSE;
5880     int i;
5881
5882     for (i = 0; volumes_list[i].value != -1; i++)
5883     {
5884       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5885       char identifier[32], name[32];
5886       int value = volumes_list[i].value;
5887       char *text = volumes_list[i].text;
5888
5889       ti->node_top = &volumes_music;
5890       ti->sort_priority = value;
5891
5892       sprintf(identifier, "%d", value);
5893       sprintf(name, "%s", text);
5894
5895       setString(&ti->identifier, identifier);
5896       setString(&ti->name, name);
5897       setString(&ti->name_sorting, name);
5898       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5899
5900       pushTreeInfo(&volumes_music, ti);
5901
5902       if (value == setup.volume_music)
5903         current_volume_music_found = TRUE;
5904     }
5905
5906     if (!current_volume_music_found)
5907     {
5908       // add entry for non-preset volume value
5909
5910       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5911       char identifier[32], name[32];
5912       int value = setup.volume_music;
5913
5914       ti->node_top = &volumes_music;
5915       ti->sort_priority = value;
5916
5917       sprintf(identifier, "%d", value);
5918       sprintf(name, "%d %% (Current)", value);
5919
5920       setString(&ti->identifier, identifier);
5921       setString(&ti->name, name);
5922       setString(&ti->name_sorting, name);
5923       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5924
5925       pushTreeInfo(&volumes_music, ti);
5926     }
5927
5928     // sort volume values to start with lowest volume value
5929     sortTreeInfo(&volumes_music);
5930
5931     // set current volume value to configured volume value
5932     volume_music_current =
5933       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5934
5935     // if that fails, set current volume to reliable default value
5936     if (volume_music_current == NULL)
5937       volume_music_current =
5938         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5939
5940     // if that also fails, set current volume to first available value
5941     if (volume_music_current == NULL)
5942       volume_music_current = volumes_music;
5943   }
5944
5945   setup.volume_simple = atoi(volume_simple_current->identifier);
5946   setup.volume_loops  = atoi(volume_loops_current->identifier);
5947   setup.volume_music  = atoi(volume_music_current->identifier);
5948
5949   // needed for displaying volume text instead of identifier
5950   volume_simple_text = volume_simple_current->name;
5951   volume_loops_text = volume_loops_current->name;
5952   volume_music_text = volume_music_current->name;
5953
5954   setup_mode = SETUP_MODE_SOUND;
5955
5956   DrawSetupScreen();
5957 }
5958
5959 static void execSetupChooseTouchControls(void)
5960 {
5961   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5962
5963   DrawSetupScreen();
5964 }
5965
5966 static void execSetupChooseMoveDistance(void)
5967 {
5968   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5969
5970   DrawSetupScreen();
5971 }
5972
5973 static void execSetupChooseDropDistance(void)
5974 {
5975   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5976
5977   DrawSetupScreen();
5978 }
5979
5980 static void execSetupChooseTransparency(void)
5981 {
5982   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5983
5984   DrawSetupScreen();
5985 }
5986
5987 static void execSetupChooseGridXSize_0(void)
5988 {
5989   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5990
5991   DrawSetupScreen();
5992 }
5993
5994 static void execSetupChooseGridYSize_0(void)
5995 {
5996   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5997
5998   DrawSetupScreen();
5999 }
6000
6001 static void execSetupChooseGridXSize_1(void)
6002 {
6003   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6004
6005   DrawSetupScreen();
6006 }
6007
6008 static void execSetupChooseGridYSize_1(void)
6009 {
6010   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6011
6012   DrawSetupScreen();
6013 }
6014
6015 static void execSetupConfigureVirtualButtons(void)
6016 {
6017   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6018
6019   ConfigureVirtualButtons();
6020
6021   setup_mode = SETUP_MODE_TOUCH;
6022
6023   DrawSetupScreen();
6024 }
6025
6026 static void execSetupTouch(void)
6027 {
6028   int i, j, k;
6029
6030   if (touch_controls == NULL)
6031   {
6032     for (i = 0; touch_controls_list[i].value != NULL; i++)
6033     {
6034       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6035       char identifier[32], name[32];
6036       char *value = touch_controls_list[i].value;
6037       char *text = touch_controls_list[i].text;
6038
6039       ti->node_top = &touch_controls;
6040       ti->sort_priority = i;
6041
6042       sprintf(identifier, "%s", value);
6043       sprintf(name, "%s", text);
6044
6045       setString(&ti->identifier, identifier);
6046       setString(&ti->name, name);
6047       setString(&ti->name_sorting, name);
6048       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6049
6050       pushTreeInfo(&touch_controls, ti);
6051     }
6052
6053     // sort touch control values to start with lowest touch control value
6054     sortTreeInfo(&touch_controls);
6055
6056     // set current touch control value to configured touch control value
6057     touch_control_current =
6058       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6059
6060     // if that fails, set current touch control to reliable default value
6061     if (touch_control_current == NULL)
6062       touch_control_current =
6063         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6064
6065     // if that also fails, set current touch control to first available value
6066     if (touch_control_current == NULL)
6067       touch_control_current = touch_controls;
6068   }
6069
6070   if (move_distances == NULL)
6071   {
6072     for (i = 0; distances_list[i].value != -1; i++)
6073     {
6074       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6075       char identifier[32], name[32];
6076       int value = distances_list[i].value;
6077       char *text = distances_list[i].text;
6078
6079       ti->node_top = &move_distances;
6080       ti->sort_priority = value;
6081
6082       sprintf(identifier, "%d", value);
6083       sprintf(name, "%s", text);
6084
6085       setString(&ti->identifier, identifier);
6086       setString(&ti->name, name);
6087       setString(&ti->name_sorting, name);
6088       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6089
6090       pushTreeInfo(&move_distances, ti);
6091     }
6092
6093     // sort distance values to start with lowest distance value
6094     sortTreeInfo(&move_distances);
6095
6096     // set current distance value to configured distance value
6097     move_distance_current =
6098       getTreeInfoFromIdentifier(move_distances,
6099                                 i_to_a(setup.touch.move_distance));
6100
6101     // if that fails, set current distance to reliable default value
6102     if (move_distance_current == NULL)
6103       move_distance_current =
6104         getTreeInfoFromIdentifier(move_distances,
6105                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6106
6107     // if that also fails, set current distance to first available value
6108     if (move_distance_current == NULL)
6109       move_distance_current = move_distances;
6110   }
6111
6112   if (drop_distances == NULL)
6113   {
6114     for (i = 0; distances_list[i].value != -1; i++)
6115     {
6116       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6117       char identifier[32], name[32];
6118       int value = distances_list[i].value;
6119       char *text = distances_list[i].text;
6120
6121       ti->node_top = &drop_distances;
6122       ti->sort_priority = value;
6123
6124       sprintf(identifier, "%d", value);
6125       sprintf(name, "%s", text);
6126
6127       setString(&ti->identifier, identifier);
6128       setString(&ti->name, name);
6129       setString(&ti->name_sorting, name);
6130       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6131
6132       pushTreeInfo(&drop_distances, ti);
6133     }
6134
6135     // sort distance values to start with lowest distance value
6136     sortTreeInfo(&drop_distances);
6137
6138     // set current distance value to configured distance value
6139     drop_distance_current =
6140       getTreeInfoFromIdentifier(drop_distances,
6141                                 i_to_a(setup.touch.drop_distance));
6142
6143     // if that fails, set current distance to reliable default value
6144     if (drop_distance_current == NULL)
6145       drop_distance_current =
6146         getTreeInfoFromIdentifier(drop_distances,
6147                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6148
6149     // if that also fails, set current distance to first available value
6150     if (drop_distance_current == NULL)
6151       drop_distance_current = drop_distances;
6152   }
6153
6154   if (transparencies == NULL)
6155   {
6156     for (i = 0; transparencies_list[i].value != -1; i++)
6157     {
6158       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6159       char identifier[32], name[32];
6160       int value = transparencies_list[i].value;
6161       char *text = transparencies_list[i].text;
6162
6163       ti->node_top = &transparencies;
6164       ti->sort_priority = value;
6165
6166       sprintf(identifier, "%d", value);
6167       sprintf(name, "%s", text);
6168
6169       setString(&ti->identifier, identifier);
6170       setString(&ti->name, name);
6171       setString(&ti->name_sorting, name);
6172       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6173
6174       pushTreeInfo(&transparencies, ti);
6175     }
6176
6177     // sort transparency values to start with lowest transparency value
6178     sortTreeInfo(&transparencies);
6179
6180     // set current transparency value to configured transparency value
6181     transparency_current =
6182       getTreeInfoFromIdentifier(transparencies,
6183                                 i_to_a(setup.touch.transparency));
6184
6185     // if that fails, set current transparency to reliable default value
6186     if (transparency_current == NULL)
6187       transparency_current =
6188         getTreeInfoFromIdentifier(transparencies,
6189                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6190
6191     // if that also fails, set current transparency to first available value
6192     if (transparency_current == NULL)
6193       transparency_current = transparencies;
6194   }
6195
6196   for (i = 0; i < 2; i++)
6197   {
6198     for (j = 0; j < 2; j++)
6199     {
6200       if (grid_sizes[i][j] == NULL)
6201       {
6202         for (k = 0; grid_sizes_list[k].value != -1; k++)
6203         {
6204           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6205           char identifier[32], name[32];
6206           int value = grid_sizes_list[k].value;
6207           char *text = grid_sizes_list[k].text;
6208
6209           ti->node_top = &grid_sizes[i][j];
6210           ti->sort_priority = value;
6211
6212           sprintf(identifier, "%d", value);
6213           sprintf(name, "%s", text);
6214
6215           setString(&ti->identifier, identifier);
6216           setString(&ti->name, name);
6217           setString(&ti->name_sorting, name);
6218           setString(&ti->infotext,
6219                     (i == 0 ?
6220                      (j == 0 ?
6221                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6222                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6223                      (j == 0 ?
6224                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6225                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6226
6227           pushTreeInfo(&grid_sizes[i][j], ti);
6228         }
6229
6230         // sort grid size values to start with lowest grid size value
6231         sortTreeInfo(&grid_sizes[i][j]);
6232
6233         // set current grid size value to configured grid size value
6234         grid_size_current[i][j] =
6235           getTreeInfoFromIdentifier(grid_sizes[i][j],
6236                                     i_to_a(j == 0 ?
6237                                            setup.touch.grid_xsize[i] :
6238                                            setup.touch.grid_ysize[i]));
6239
6240         // if that fails, set current grid size to reliable default value
6241         if (grid_size_current[i][j] == NULL)
6242           grid_size_current[i][j] =
6243             getTreeInfoFromIdentifier(grid_sizes[i][j],
6244                                       i_to_a(j == 0 ?
6245                                              DEFAULT_GRID_XSIZE(i) :
6246                                              DEFAULT_GRID_YSIZE(i)));
6247
6248         // if that also fails, set current grid size to first available value
6249         if (grid_size_current[i][j] == NULL)
6250           grid_size_current[i][j] = grid_sizes[i][j];
6251       }
6252     }
6253   }
6254
6255   setup.touch.control_type = touch_control_current->identifier;
6256   setup.touch.move_distance = atoi(move_distance_current->identifier);
6257   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6258   setup.touch.transparency = atoi(transparency_current->identifier);
6259
6260   for (i = 0; i < 2; i++)
6261   {
6262     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6263     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6264
6265     if (i == GRID_ACTIVE_NR())
6266     {
6267       overlay.grid_xsize = setup.touch.grid_xsize[i];
6268       overlay.grid_ysize = setup.touch.grid_ysize[i];
6269     }
6270   }
6271
6272   // needed for displaying value text instead of identifier
6273   touch_controls_text = touch_control_current->name;
6274   move_distance_text = move_distance_current->name;
6275   drop_distance_text = drop_distance_current->name;
6276   transparency_text = transparency_current->name;
6277
6278   for (i = 0; i < 2; i++)
6279     for (j = 0; j < 2; j++)
6280       grid_size_text[i][j] = grid_size_current[i][j]->name;
6281
6282   setup_mode = SETUP_MODE_TOUCH;
6283
6284   DrawSetupScreen();
6285 }
6286
6287 static void execSetupArtwork(void)
6288 {
6289 #if 0
6290   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6291         artwork.gfx_current->subdir,
6292         artwork.gfx_current->fullpath,
6293         artwork.gfx_current->basepath);
6294 #endif
6295
6296   setup.graphics_set = artwork.gfx_current->identifier;
6297   setup.sounds_set = artwork.snd_current->identifier;
6298   setup.music_set = artwork.mus_current->identifier;
6299
6300   // needed if last screen (setup choice) changed graphics, sounds or music
6301   ReloadCustomArtwork(0);
6302
6303   // needed for displaying artwork name instead of artwork identifier
6304   graphics_set_name = artwork.gfx_current->name;
6305   sounds_set_name = artwork.snd_current->name;
6306   music_set_name = artwork.mus_current->name;
6307
6308   setup_mode = SETUP_MODE_ARTWORK;
6309
6310   DrawSetupScreen();
6311 }
6312
6313 static void execSetupChooseGraphics(void)
6314 {
6315   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6316
6317   DrawSetupScreen();
6318 }
6319
6320 static void execSetupChooseSounds(void)
6321 {
6322   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6323
6324   DrawSetupScreen();
6325 }
6326
6327 static void execSetupChooseMusic(void)
6328 {
6329   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6330
6331   DrawSetupScreen();
6332 }
6333
6334 static void execSetupInput(void)
6335 {
6336   setup_mode = SETUP_MODE_INPUT;
6337
6338   DrawSetupScreen();
6339 }
6340
6341 static void execSetupShortcuts(void)
6342 {
6343   setup_mode = SETUP_MODE_SHORTCUTS;
6344
6345   DrawSetupScreen();
6346 }
6347
6348 static void execSetupShortcuts1(void)
6349 {
6350   setup_mode = SETUP_MODE_SHORTCUTS_1;
6351
6352   DrawSetupScreen();
6353 }
6354
6355 static void execSetupShortcuts2(void)
6356 {
6357   setup_mode = SETUP_MODE_SHORTCUTS_2;
6358
6359   DrawSetupScreen();
6360 }
6361
6362 static void execSetupShortcuts3(void)
6363 {
6364   setup_mode = SETUP_MODE_SHORTCUTS_3;
6365
6366   DrawSetupScreen();
6367 }
6368
6369 static void execSetupShortcuts4(void)
6370 {
6371   setup_mode = SETUP_MODE_SHORTCUTS_4;
6372
6373   DrawSetupScreen();
6374 }
6375
6376 static void execSetupShortcuts5(void)
6377 {
6378   setup_mode = SETUP_MODE_SHORTCUTS_5;
6379
6380   DrawSetupScreen();
6381 }
6382
6383 static void execExitSetup(void)
6384 {
6385   SetGameStatus(GAME_MODE_MAIN);
6386
6387   DrawMainMenu();
6388 }
6389
6390 static void execSaveAndExitSetup(void)
6391 {
6392   SaveSetup();
6393   execExitSetup();
6394 }
6395
6396 static void execGadgetNetworkServer(void)
6397 {
6398   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6399   struct GadgetInfo *gi = screen_gadget[gadget_id];
6400
6401   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6402     network_server_hostname[0] = '\0';
6403
6404   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6405
6406   MapGadget(gi);
6407
6408   ClickOnGadget(gi, MB_LEFTBUTTON);
6409 }
6410
6411 static void ToggleNetworkModeIfNeeded(void)
6412 {
6413   int font_title = FONT_TITLE_1;
6414   int font_foot = FC_BLUE;
6415   int ystart  = mSY - SY + 16;
6416   int ybottom = mSY - SY + SYSIZE - 20;
6417   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6418
6419   if (setup.network_mode == network.enabled)
6420     return;
6421
6422   network.enabled = setup.network_mode;
6423
6424   FadeOut(REDRAW_ALL);
6425
6426   ClearField();
6427
6428   DrawTextSCentered(ystart, font_title, text);
6429
6430   FadeIn(REDRAW_ALL);
6431
6432   if (network.enabled)
6433     InitNetworkServer();
6434   else
6435     DisconnectFromNetworkServer();
6436
6437   DrawTextSCentered(ybottom, font_foot,
6438                     "Press any key or button for setup menu");
6439
6440   WaitForEventToContinue();
6441
6442   DrawSetupScreen();
6443 }
6444
6445 static void ToggleGameSpeedsListIfNeeded(void)
6446 {
6447   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6448
6449   if (setup.game_speed_extended == using_game_speeds_extended)
6450     return;
6451
6452   // try to match similar values when changing game speeds list
6453   if (setup.game_speed_extended)
6454     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6455                               setup.game_frame_delay == 30 ? 29 :
6456                               setup.game_frame_delay);
6457   else
6458     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6459                               setup.game_frame_delay == 16 ? 15 :
6460                               setup.game_frame_delay >= 29 ? 30 :
6461                               setup.game_frame_delay <= 10 ? 10 :
6462                               setup.game_frame_delay);
6463
6464   execSetupGame_setGameSpeeds(TRUE);
6465
6466   DrawSetupScreen();
6467 }
6468
6469 static void ModifyGameSpeedIfNeeded(void)
6470 {
6471   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6472       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6473     return;
6474
6475   char message[100];
6476   char *game_speed_text = "Fast";
6477   int game_speed_value = 15;
6478
6479   if (setup.game_speed_extended)
6480   {
6481     game_speed_text = "60 fps";
6482     game_speed_value = 16;
6483   }
6484
6485   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6486
6487   // set game speed to existing list value that is fast enough for vsync
6488   setup.game_frame_delay = game_speed_value;
6489
6490   execSetupGame_setGameSpeeds(TRUE);
6491
6492   Request(message, REQ_CONFIRM);
6493 }
6494
6495 static void DisableVsyncIfNeeded(void)
6496 {
6497   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6498       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6499        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6500     return;
6501
6502   // disable vsync for the selected game speed to work
6503   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6504
6505   execSetupGraphics_setVsyncModes(TRUE);
6506
6507   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6508 }
6509
6510 static struct
6511 {
6512   void *value;
6513   void *related_value;
6514 } hide_related_entry_list[] =
6515 {
6516   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6517   { &setup.game_frame_delay,            &game_speed_text                },
6518
6519   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6520   { &setup.scroll_delay_value,          &scroll_delay_text              },
6521
6522   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6523   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6524
6525   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6526   { &setup.window_scaling_percent,      &window_size_text               },
6527
6528   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6529   { &setup.window_scaling_quality,      &scaling_type_text              },
6530
6531   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6532   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6533
6534   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6535   { &setup.vsync_mode,                  &vsync_mode_text                },
6536
6537   { &setup.graphics_set,                execSetupChooseGraphics         },
6538   { &setup.graphics_set,                &graphics_set_name              },
6539
6540   { &setup.sounds_set,                  execSetupChooseSounds           },
6541   { &setup.sounds_set,                  &sounds_set_name                },
6542
6543   { &setup.music_set,                   execSetupChooseMusic            },
6544   { &setup.music_set,                   &music_set_name                 },
6545
6546   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6547   { &setup.volume_simple,               &volume_simple_text             },
6548
6549   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6550   { &setup.volume_loops,                &volume_loops_text              },
6551
6552   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6553   { &setup.volume_music,                &volume_music_text              },
6554
6555   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6556   { &setup.touch.control_type,          &touch_controls_text            },
6557
6558   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6559   { &setup.touch.move_distance,         &move_distance_text             },
6560
6561   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6562   { &setup.touch.drop_distance,         &drop_distance_text             },
6563
6564   { &setup.touch.transparency,          execSetupChooseTransparency     },
6565   { &setup.touch.transparency,          &transparency_text              },
6566
6567   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6568   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6569
6570   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6571   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6572
6573   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6574   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6575
6576   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6577   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6578
6579   { &setup.internal.menu_game,          execSetupGame                   },
6580   { &setup.internal.menu_engines,       execSetupEngines                },
6581   { &setup.internal.menu_editor,        execSetupEditor                 },
6582   { &setup.internal.menu_graphics,      execSetupGraphics               },
6583   { &setup.internal.menu_sound,         execSetupSound                  },
6584   { &setup.internal.menu_artwork,       execSetupArtwork                },
6585   { &setup.internal.menu_input,         execSetupInput                  },
6586   { &setup.internal.menu_touch,         execSetupTouch                  },
6587   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6588   { &setup.internal.menu_exit,          execExitSetup                   },
6589   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6590
6591   { NULL,                               NULL                            }
6592 };
6593
6594 void setHideRelatedSetupEntries(void)
6595 {
6596   int i;
6597
6598   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6599     if (hideSetupEntry(hide_related_entry_list[i].value))
6600       setHideSetupEntry(hide_related_entry_list[i].related_value);
6601 }
6602
6603 static struct TokenInfo setup_info_main[] =
6604 {
6605   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6606   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6607   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6608   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6609   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6610   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6611   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6612   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6613   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6614   { TYPE_EMPTY,         NULL,                   ""                      },
6615   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6616   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6617
6618   { 0,                  NULL,                   NULL                    }
6619 };
6620
6621 static struct TokenInfo setup_info_game[] =
6622 {
6623   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6624   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6625   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6626   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6627   { TYPE_STRING,        &network_server_text,   ""                      },
6628   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6629   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6630   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6631   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6632   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6633   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6634   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6635   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6636   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6637   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6638   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6639   { TYPE_STRING,        &game_speed_text,       ""                      },
6640   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6641 #if 1
6642   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6643   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6644 #endif
6645   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6646   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6647   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6648   { TYPE_EMPTY,         NULL,                   ""                      },
6649   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6650
6651   { 0,                  NULL,                   NULL                    }
6652 };
6653
6654 static struct TokenInfo setup_info_engines[] =
6655 {
6656   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6657   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6658   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6659   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6660   { TYPE_EMPTY,         NULL,                   ""                      },
6661   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6662   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6663   { TYPE_EMPTY,         NULL,                   ""                      },
6664   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6665
6666   { 0,                  NULL,                   NULL                    }
6667 };
6668
6669 static struct TokenInfo setup_info_editor[] =
6670 {
6671 #if 0
6672   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6673   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6674   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6675   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6676   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6677   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6678   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6679   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6680   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6681   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6682 #endif
6683   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6684   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6685 #if 0
6686   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6687 #endif
6688   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6689   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6690   { TYPE_EMPTY,         NULL,                   ""                      },
6691 #if 0
6692   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6693   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6694   { TYPE_EMPTY,         NULL,                   ""                      },
6695 #endif
6696   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6697   { TYPE_EMPTY,         NULL,                   ""                      },
6698   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6699
6700   { 0,                  NULL,                   NULL                    }
6701 };
6702
6703 static struct TokenInfo setup_info_graphics[] =
6704 {
6705 #if !defined(PLATFORM_ANDROID)
6706   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6707   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6708   { TYPE_STRING,        &window_size_text,      ""                      },
6709   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6710   { TYPE_STRING,        &scaling_type_text,     ""                      },
6711   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6712   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6713 #endif
6714 #if 0
6715   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6716   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6717 #endif
6718   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6719   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6720   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6721   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6722   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6723   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6724   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6725   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6726   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6727   { TYPE_EMPTY,         NULL,                   ""                      },
6728   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6729
6730   { 0,                  NULL,                   NULL                    }
6731 };
6732
6733 static struct TokenInfo setup_info_sound[] =
6734 {
6735   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6736   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6737   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6738   { TYPE_EMPTY,         NULL,                   ""                      },
6739   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6740   { TYPE_STRING,        &volume_simple_text,    ""                      },
6741   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6742   { TYPE_STRING,        &volume_loops_text,     ""                      },
6743   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6744   { TYPE_STRING,        &volume_music_text,     ""                      },
6745   { TYPE_EMPTY,         NULL,                   ""                      },
6746   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6747
6748   { 0,                  NULL,                   NULL                    }
6749 };
6750
6751 static struct TokenInfo setup_info_artwork[] =
6752 {
6753   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6754   { TYPE_STRING,        &graphics_set_name,     ""                      },
6755   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6756   { TYPE_STRING,        &sounds_set_name,       ""                      },
6757   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6758   { TYPE_STRING,        &music_set_name,        ""                      },
6759   { TYPE_EMPTY,         NULL,                   ""                      },
6760   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6761   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6762   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6763   { TYPE_EMPTY,         NULL,                   ""                      },
6764   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6765
6766   { 0,                  NULL,                   NULL                    }
6767 };
6768
6769 static struct TokenInfo setup_info_input[] =
6770 {
6771   { TYPE_SWITCH,        NULL,                   "Player:"               },
6772   { TYPE_SWITCH,        NULL,                   "Device:"               },
6773   { TYPE_SWITCH,        NULL,                   ""                      },
6774   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6775   { TYPE_EMPTY,         NULL,                   ""                      },
6776   { TYPE_EMPTY,         NULL,                   ""                      },
6777   { TYPE_EMPTY,         NULL,                   ""                      },
6778   { TYPE_EMPTY,         NULL,                   ""                      },
6779   { TYPE_EMPTY,         NULL,                   ""                      },
6780   { TYPE_EMPTY,         NULL,                   ""                      },
6781   { TYPE_EMPTY,         NULL,                   ""                      },
6782   { TYPE_EMPTY,         NULL,                   ""                      },
6783   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6784   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6785
6786   { 0,                  NULL,                   NULL                    }
6787 };
6788
6789 static struct TokenInfo setup_info_touch[] =
6790 {
6791   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6792   { TYPE_STRING,        &touch_controls_text,   ""                      },
6793   { TYPE_EMPTY,         NULL,                   ""                      },
6794   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6795
6796   { 0,                  NULL,                   NULL                    }
6797 };
6798
6799 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6800 {
6801   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6802   { TYPE_STRING,        &touch_controls_text,   ""                      },
6803   { TYPE_EMPTY,         NULL,                   ""                      },
6804   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6805   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6806   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6807   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6808   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6809   { TYPE_STRING,        &transparency_text,     ""                      },
6810   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6811   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6812   { TYPE_EMPTY,         NULL,                   ""                      },
6813   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6814   { TYPE_EMPTY,         NULL,                   ""                      },
6815   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6816
6817   { 0,                  NULL,                   NULL                    }
6818 };
6819
6820 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6821 {
6822   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6823   { TYPE_STRING,        &touch_controls_text,   ""                      },
6824   { TYPE_EMPTY,         NULL,                   ""                      },
6825   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6826   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6827   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6828   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6829   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6830   { TYPE_STRING,        &transparency_text,     ""                      },
6831   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6832   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6833   { TYPE_EMPTY,         NULL,                   ""                      },
6834   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6835   { TYPE_EMPTY,         NULL,                   ""                      },
6836   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6837
6838   { 0,                  NULL,                   NULL                    }
6839 };
6840
6841 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6842 {
6843   setup_info_touch_virtual_buttons_0,
6844   setup_info_touch_virtual_buttons_1
6845 };
6846
6847 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6848 {
6849   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6850   { TYPE_STRING,        &touch_controls_text,   ""                      },
6851   { TYPE_EMPTY,         NULL,                   ""                      },
6852   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6853   { TYPE_STRING,        &move_distance_text,    ""                      },
6854   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6855   { TYPE_STRING,        &drop_distance_text,    ""                      },
6856   { TYPE_EMPTY,         NULL,                   ""                      },
6857   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6858
6859   { 0,                  NULL,                   NULL                    }
6860 };
6861
6862 static struct TokenInfo setup_info_shortcuts[] =
6863 {
6864   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6865   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6866   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6867   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6868   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6869   { TYPE_EMPTY,         NULL,                   ""                      },
6870   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6871
6872   { 0,                  NULL,                   NULL                    }
6873 };
6874
6875 static struct TokenInfo setup_info_shortcuts_1[] =
6876 {
6877   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6878   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6879   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6880   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6881   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6882   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6883   { TYPE_EMPTY,         NULL,                   ""                      },
6884   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6885   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6886   { TYPE_EMPTY,         NULL,                   ""                      },
6887   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6888
6889   { 0,                  NULL,                   NULL                    }
6890 };
6891
6892 static struct TokenInfo setup_info_shortcuts_2[] =
6893 {
6894   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6895   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6896   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6897   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6898   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6899   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6900   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6901   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6902   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6903   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6904   { TYPE_EMPTY,         NULL,                   ""                      },
6905   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6906
6907   { 0,                  NULL,                   NULL                    }
6908 };
6909
6910 static struct TokenInfo setup_info_shortcuts_3[] =
6911 {
6912   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6913   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6914   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6915   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6916   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6917   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6918   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6919   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6920   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6921   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6922   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6923   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6924   { TYPE_EMPTY,         NULL,                   ""                      },
6925   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6926
6927   { 0,                  NULL,                   NULL                    }
6928 };
6929
6930 static struct TokenInfo setup_info_shortcuts_4[] =
6931 {
6932   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6933   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6934   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6935   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6936   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6937   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6938   { TYPE_EMPTY,         NULL,                   ""                      },
6939   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6940
6941   { 0,                  NULL,                   NULL                    }
6942 };
6943
6944 static struct TokenInfo setup_info_shortcuts_5[] =
6945 {
6946   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6947   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6948   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6949   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6950   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6951   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6952   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6953   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6954   { TYPE_EMPTY,         NULL,                   ""                      },
6955   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6956
6957   { 0,                  NULL,                   NULL                    }
6958 };
6959
6960 static Key getSetupKey(void)
6961 {
6962   Key key = KSYM_UNDEFINED;
6963   boolean got_key_event = FALSE;
6964
6965   while (!got_key_event)
6966   {
6967     Event event;
6968
6969     if (NextValidEvent(&event))
6970     {
6971       switch (event.type)
6972       {
6973         case EVENT_KEYPRESS:
6974           {
6975             key = GetEventKey((KeyEvent *)&event, TRUE);
6976
6977             // press 'Escape' or 'Enter' to keep the existing key binding
6978             if (key == KSYM_Escape || key == KSYM_Return)
6979               key = KSYM_UNDEFINED;     // keep old value
6980
6981             got_key_event = TRUE;
6982           }
6983           break;
6984
6985         case EVENT_KEYRELEASE:
6986           key_joystick_mapping = 0;
6987           break;
6988
6989         default:
6990           HandleOtherEvents(&event);
6991           break;
6992       }
6993     }
6994
6995     BackToFront();
6996   }
6997
6998   return key;
6999 }
7000
7001 static int getSetupValueFont(int type, void *value)
7002 {
7003   if (type & TYPE_GHOSTED)
7004     return FONT_OPTION_OFF;
7005   else if (type & TYPE_KEY)
7006     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7007   else if (type & TYPE_STRING)
7008     return FONT_VALUE_2;
7009   else if (type & TYPE_ECS_AGA)
7010     return FONT_VALUE_1;
7011   else if (type & TYPE_BOOLEAN_STYLE)
7012     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7013   else if (type & TYPE_YES_NO_AUTO)
7014     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7015             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7016   else if (type & TYPE_PLAYER)
7017     return FONT_VALUE_1;
7018   else
7019     return FONT_VALUE_1;
7020 }
7021
7022 static int getSetupValueFontNarrow(int type, int font_nr)
7023 {
7024   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7025           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7026           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7027           font_nr);
7028 }
7029
7030 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7031 {
7032   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7033   struct TokenInfo *si = &setup_info[si_pos];
7034   boolean font_draw_xoffset_modified = FALSE;
7035   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7036   int font_draw_xoffset_old = -1;
7037   int xoffset = (scrollbar_needed ? -1 : 0);
7038   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7039   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7040   int xpos = menu_screen_value_xpos;
7041   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7042   int startx = mSX + xpos * 32;
7043   int starty = mSY + ypos * 32;
7044   int type = si->type;
7045   void *value = si->value;
7046   char *value_string = getSetupValue(type, value);
7047   int font_nr_default = getSetupValueFont(type, value);
7048   int font_width_default = getFontWidth(font_nr_default);
7049   int font_nr = font_nr_default;
7050   int i;
7051
7052   if (value_string == NULL)
7053     return;
7054
7055   if (type & TYPE_KEY)
7056   {
7057     xpos = MENU_SCREEN_START_XPOS;
7058
7059     if (type & TYPE_QUERY)
7060       value_string = "<press key>";
7061   }
7062   else if (type & TYPE_STRING)
7063   {
7064     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7065
7066     xpos = MENU_SCREEN_START_XPOS;
7067
7068     if (strlen(value_string) > max_value_len)
7069       value_string[max_value_len] = '\0';
7070   }
7071   else if (type & TYPE_YES_NO_AUTO)
7072   {
7073     xpos = menu_screen_value_xpos - 1;
7074   }
7075   else if (type & TYPE_PLAYER)
7076   {
7077     int displayed_player_nr = *(int *)value + 1;
7078
7079     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7080   }
7081
7082   startx = mSX + xpos * 32;
7083   starty = mSY + ypos * 32;
7084
7085   // special check if right-side setup values moved left due to scrollbar
7086   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7087   {
7088     int max_menu_text_length = 26;      // maximum text length for classic menu
7089     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7090     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7091     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7092     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7093     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7094
7095     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7096     {
7097       // when using narrow font, left-shifting text "auto" not needed
7098       if (type & TYPE_YES_NO_AUTO)
7099         xpos += 1;
7100
7101       xpos += 1;
7102       startx = mSX + xpos * 32;
7103
7104       font_nr = getSetupValueFontNarrow(type, font_nr);
7105     }
7106   }
7107
7108   // downward compatibility correction for Juergen Bonhagen's menu settings
7109   if (setup_mode != SETUP_MODE_INPUT)
7110   {
7111     int max_menu_text_length_big = (menu_screen_value_xpos -
7112                                     MENU_SCREEN_START_XPOS);
7113     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7114     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7115     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7116     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7117     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7118     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7119     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7120     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7121     boolean correct_font_draw_xoffset = FALSE;
7122
7123     if (xpos == MENU_SCREEN_START_XPOS &&
7124         startx + font1_xoffset < text_startx + text_font_xoffset)
7125       correct_font_draw_xoffset = TRUE;
7126
7127     if (xpos == menu_screen_value_xpos &&
7128         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7129       correct_font_draw_xoffset = TRUE;
7130
7131     // check if setup value would overlap with setup text when printed
7132     // (this can happen for extreme/wrong values for font draw offset)
7133     if (correct_font_draw_xoffset)
7134     {
7135       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7136       font_draw_xoffset_modified = TRUE;
7137
7138       if (type & TYPE_KEY)
7139         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7140       else if (!(type & TYPE_STRING))
7141         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7142           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7143     }
7144   }
7145
7146   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7147     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7148
7149   DrawText(startx, starty, value_string, font_nr);
7150
7151   if (type & TYPE_PLAYER)
7152   {
7153     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7154     int player_nr = *(int *)value;
7155     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7156     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7157     int startx2 = startx + xoff;
7158     int starty2 = starty + yoff;
7159
7160     if (DrawingOnBackground(startx2, starty2))
7161       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7162
7163     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7164                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7165   }
7166
7167   if (font_draw_xoffset_modified)
7168     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7169 }
7170
7171 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7172 {
7173   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7174   struct TokenInfo *si = &setup_info[si_pos];
7175
7176   if (si->type & TYPE_BOOLEAN_STYLE)
7177   {
7178     *(boolean *)si->value ^= TRUE;
7179   }
7180   else if (si->type & TYPE_YES_NO_AUTO)
7181   {
7182     *(int *)si->value =
7183       (dx == -1 ?
7184        (*(int *)si->value == AUTO ? TRUE :
7185         *(int *)si->value == TRUE ? FALSE : AUTO) :
7186        (*(int *)si->value == TRUE ? AUTO :
7187         *(int *)si->value == AUTO ? FALSE : TRUE));
7188   }
7189   else if (si->type & TYPE_KEY)
7190   {
7191     Key key;
7192
7193     si->type |= TYPE_QUERY;
7194     drawSetupValue(screen_pos, setup_info_pos_raw);
7195     si->type &= ~TYPE_QUERY;
7196
7197     key = getSetupKey();
7198     if (key != KSYM_UNDEFINED)
7199       *(Key *)si->value = key;
7200   }
7201   else if (si->type & TYPE_PLAYER)
7202   {
7203     int player_nr = *(int *)si->value;
7204
7205     if (dx)
7206       player_nr += dx;
7207     else
7208       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7209
7210     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7211   }
7212
7213   drawSetupValue(screen_pos, setup_info_pos_raw);
7214
7215   // fullscreen state may have changed at this point
7216   if (si->value == &setup.fullscreen)
7217     ToggleFullscreenIfNeeded();
7218
7219   // network mode may have changed at this point
7220   if (si->value == &setup.network_mode)
7221     ToggleNetworkModeIfNeeded();
7222
7223   // game speed list may have changed at this point
7224   if (si->value == &setup.game_speed_extended)
7225     ToggleGameSpeedsListIfNeeded();
7226 }
7227
7228 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7229 {
7230   static struct TokenInfo *setup_info_final = NULL;
7231   int list_size = 0;
7232   int list_pos = 0;
7233   int i;
7234
7235   // determine maximum list size of target list
7236   while (setup_info_orig[list_size++].type != 0);
7237
7238   // free, allocate and clear memory for target list
7239   checked_free(setup_info_final);
7240   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7241
7242   // copy setup info list without setup entries marked as hidden
7243   for (i = 0; setup_info_orig[i].type != 0; i++)
7244   {
7245     // skip setup entries configured to be hidden
7246     if (hideSetupEntry(setup_info_orig[i].value))
7247       continue;
7248
7249     // skip skippable setup entries if screen is lower than usual
7250     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7251         setup_info_orig[i].type == TYPE_SKIPPABLE)
7252       continue;
7253
7254     setup_info_final[list_pos++] = setup_info_orig[i];
7255   }
7256
7257   return setup_info_final;
7258 }
7259
7260 static void DrawSetupScreen_Generic(void)
7261 {
7262   int fade_mask = REDRAW_FIELD;
7263   boolean redraw_all = FALSE;
7264   char *title_string = NULL;
7265   int i;
7266
7267   if (CheckFadeAll())
7268     fade_mask = REDRAW_ALL;
7269
7270   UnmapAllGadgets();
7271   FadeMenuSoundsAndMusic();
7272
7273   FreeScreenGadgets();
7274   CreateScreenGadgets();
7275
7276   if (redraw_mask & REDRAW_ALL)
7277     redraw_all = TRUE;
7278
7279   FadeOut(fade_mask);
7280
7281   // needed if different viewport properties defined for setup screen
7282   ChangeViewportPropertiesIfNeeded();
7283
7284   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7285
7286   ClearField();
7287
7288   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7289
7290   if (setup_mode == SETUP_MODE_MAIN)
7291   {
7292     setup_info = setup_info_main;
7293     title_string = STR_SETUP_MAIN;
7294   }
7295   else if (setup_mode == SETUP_MODE_GAME)
7296   {
7297     setup_info = setup_info_game;
7298     title_string = STR_SETUP_GAME;
7299   }
7300   else if (setup_mode == SETUP_MODE_ENGINES)
7301   {
7302     setup_info = setup_info_engines;
7303     title_string = STR_SETUP_ENGINES;
7304   }
7305   else if (setup_mode == SETUP_MODE_EDITOR)
7306   {
7307     setup_info = setup_info_editor;
7308     title_string = STR_SETUP_EDITOR;
7309   }
7310   else if (setup_mode == SETUP_MODE_GRAPHICS)
7311   {
7312     setup_info = setup_info_graphics;
7313     title_string = STR_SETUP_GRAPHICS;
7314   }
7315   else if (setup_mode == SETUP_MODE_SOUND)
7316   {
7317     setup_info = setup_info_sound;
7318     title_string = STR_SETUP_SOUND;
7319   }
7320   else if (setup_mode == SETUP_MODE_ARTWORK)
7321   {
7322     setup_info = setup_info_artwork;
7323     title_string = STR_SETUP_ARTWORK;
7324   }
7325   else if (setup_mode == SETUP_MODE_TOUCH)
7326   {
7327     setup_info = setup_info_touch;
7328     title_string = STR_SETUP_TOUCH;
7329
7330     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7331       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7332     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7333       setup_info = setup_info_touch_wipe_gestures;
7334   }
7335   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7336   {
7337     setup_info = setup_info_shortcuts;
7338     title_string = STR_SETUP_SHORTCUTS;
7339   }
7340   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7341   {
7342     setup_info = setup_info_shortcuts_1;
7343     title_string = STR_SETUP_SHORTCUTS;
7344   }
7345   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7346   {
7347     setup_info = setup_info_shortcuts_2;
7348     title_string = STR_SETUP_SHORTCUTS;
7349   }
7350   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7351   {
7352     setup_info = setup_info_shortcuts_3;
7353     title_string = STR_SETUP_SHORTCUTS;
7354   }
7355   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7356   {
7357     setup_info = setup_info_shortcuts_4;
7358     title_string = STR_SETUP_SHORTCUTS;
7359   }
7360   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7361   {
7362     setup_info = setup_info_shortcuts_5;
7363     title_string = STR_SETUP_SHORTCUTS;
7364   }
7365
7366   // use modified setup info without setup entries marked as hidden
7367   setup_info = getSetupInfoFinal(setup_info);
7368
7369   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7370
7371   // determine maximal number of setup entries that can be displayed on screen
7372   num_setup_info = 0;
7373   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7374     num_setup_info++;
7375
7376   // determine maximal number of setup entries available for this setup screen
7377   max_setup_info = 0;
7378   for (i = 0; setup_info[i].type != 0; i++)
7379     max_setup_info++;
7380
7381   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7382
7383   MapScreenGadgets(max_setup_info);
7384
7385   if (redraw_all)
7386     redraw_mask = fade_mask = REDRAW_ALL;
7387
7388   DrawMaskedBorder(fade_mask);
7389
7390   FadeIn(fade_mask);
7391 }
7392
7393 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7394 {
7395   menu_info = setup_info;
7396
7397   HandleMenuScreen(mx, my, dx, dy, button,
7398                    setup_mode, num_setup_info, max_setup_info);
7399 }
7400
7401 static void DrawSetupScreen_Input(void)
7402 {
7403   int i;
7404
7405   FadeOut(REDRAW_FIELD);
7406
7407   ClearField();
7408
7409   setup_info = getSetupInfoFinal(setup_info_input);
7410
7411   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7412
7413   for (i = 0; setup_info[i].type != 0; i++)
7414   {
7415     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7416       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7417     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7418       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7419     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7420       initCursor(i, IMG_MENU_BUTTON);
7421
7422     DrawCursorAndText_Setup(i, -1, FALSE);
7423   }
7424
7425   // create gadgets for setup input menu screen
7426   FreeScreenGadgets();
7427   CreateScreenGadgets();
7428
7429   // map gadgets for setup input menu screen
7430   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7431
7432   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7433
7434   FadeIn(REDRAW_FIELD);
7435 }
7436
7437 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7438 {
7439   if (device_name == NULL)
7440     return;
7441
7442   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7443     device_nr = 0;
7444
7445   if (strlen(device_name) > 1)
7446   {
7447     char c1 = device_name[strlen(device_name) - 1];
7448     char c2 = device_name[strlen(device_name) - 2];
7449
7450     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7451       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7452   }
7453   else
7454     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7455             strlen(device_name));
7456 }
7457
7458 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7459 {
7460   int i;
7461   static struct SetupKeyboardInfo custom_key;
7462   static struct
7463   {
7464     Key *key;
7465     char *text;
7466   } custom[] =
7467   {
7468     { &custom_key.left,  "Axis/Pad Left"  },
7469     { &custom_key.right, "Axis/Pad Right" },
7470     { &custom_key.up,    "Axis/Pad Up"    },
7471     { &custom_key.down,  "Axis/Pad Down"  },
7472     { &custom_key.snap,  "Button 1/A/X"   },
7473     { &custom_key.drop,  "Button 2/B/Y"   }
7474   };
7475   static char *joystick_name[MAX_PLAYERS] =
7476   {
7477     "Joystick1",
7478     "Joystick2",
7479     "Joystick3",
7480     "Joystick4"
7481   };
7482   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7483   int font_nr_info = FONT_MENU_1;
7484   int font_nr_name = FONT_VALUE_OLD;
7485   int font_nr_on   = FONT_VALUE_1;
7486   int font_nr_off  = FONT_VALUE_OLD;
7487   int pos = 4;
7488
7489   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7490   {
7491     font_nr_info = FONT_MENU_2;
7492     font_nr_on   = FONT_VALUE_NARROW;
7493     font_nr_off  = FONT_VALUE_OLD_NARROW;
7494   }
7495
7496   custom_key = setup.input[player_nr].key;
7497
7498   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7499            FONT_INPUT_1_ACTIVE);
7500
7501   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7502                              TILEX, TILEY);
7503   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7504                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7505
7506   if (setup.input[player_nr].use_joystick)
7507   {
7508     char *device_name = setup.input[player_nr].joy.device_name;
7509     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7510     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7511     char *text = joystick_name[joystick_nr];
7512     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7513
7514     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7515     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7516   }
7517   else
7518   {
7519     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7520     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7521   }
7522
7523   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7524     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7525   else
7526     pos = 3;
7527
7528   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7529   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7530   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7531   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7532
7533   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7534   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7535   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7536   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7537   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7538   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7539
7540   for (i = 0; i < 6; i++)
7541   {
7542     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7543
7544     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7545              "              ", font_nr_on);
7546     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7547              (setup.input[player_nr].use_joystick ?
7548               custom[i].text :
7549               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7550   }
7551 }
7552
7553 static int input_player_nr = 0;
7554
7555 static void HandleSetupScreen_Input_Player(int step, int direction)
7556 {
7557   int old_player_nr = input_player_nr;
7558   int new_player_nr;
7559
7560   new_player_nr = old_player_nr + step * direction;
7561   if (new_player_nr < 0)
7562     new_player_nr = 0;
7563   if (new_player_nr > MAX_PLAYERS - 1)
7564     new_player_nr = MAX_PLAYERS - 1;
7565
7566   if (new_player_nr != old_player_nr)
7567   {
7568     input_player_nr = new_player_nr;
7569
7570     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7571   }
7572 }
7573
7574 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7575 {
7576   static int choice = 0;
7577   int x = 0;
7578   int y = choice;
7579   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7580   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7581   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7582   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7583
7584   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7585   {
7586     int i;
7587
7588     for (i = 0; setup_info_input[i].type != 0; i++)
7589     {
7590       // adjust menu structure according to skipped setup entries
7591       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7592       {
7593         pos_empty2--;
7594         pos_end--;
7595       }
7596     }
7597   }
7598
7599   if (button == MB_MENU_INITIALIZE)
7600   {
7601     // input setup menu may have changed size due to graphics configuration
7602     if (choice >= pos_empty1)
7603       choice = pos_end;
7604
7605     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7606
7607     DrawCursorAndText_Setup(choice, -1, TRUE);
7608
7609     return;
7610   }
7611   else if (button == MB_MENU_LEAVE)
7612   {
7613     setup_mode = SETUP_MODE_MAIN;
7614     DrawSetupScreen();
7615     InitJoysticks();
7616
7617     return;
7618   }
7619
7620   if (mx || my)         // mouse input
7621   {
7622     x = (mx - mSX) / 32;
7623     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7624   }
7625   else if (dx || dy)    // keyboard input
7626   {
7627     if (dx && choice == 0)
7628       x = (dx < 0 ? 10 : 12);
7629     else if ((dx && choice == 1) ||
7630              (dx == -1 && choice == pos_end))
7631       button = MB_MENU_CHOICE;
7632     else if (dy)
7633       y = choice + dy;
7634
7635     if (y >= pos_empty1 && y <= pos_empty2)
7636       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7637   }
7638
7639   if (y == 0 && dx != 0 && button)
7640   {
7641     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7642   }
7643   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7644            y >= pos_start && y <= pos_end &&
7645            !(y >= pos_empty1 && y <= pos_empty2))
7646   {
7647     if (button)
7648     {
7649       if (y != choice)
7650       {
7651         DrawCursorAndText_Setup(choice, -1, FALSE);
7652         DrawCursorAndText_Setup(y, -1, TRUE);
7653
7654         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7655
7656         choice = y;
7657       }
7658     }
7659     else
7660     {
7661       if (y == 1)
7662       {
7663         char *device_name = setup.input[input_player_nr].joy.device_name;
7664
7665         if (!setup.input[input_player_nr].use_joystick)
7666         {
7667           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7668
7669           setJoystickDeviceToNr(device_name, new_device_nr);
7670           setup.input[input_player_nr].use_joystick = TRUE;
7671         }
7672         else
7673         {
7674           int device_nr = getJoystickNrFromDeviceName(device_name);
7675           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7676
7677           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7678             setup.input[input_player_nr].use_joystick = FALSE;
7679           else
7680             setJoystickDeviceToNr(device_name, new_device_nr);
7681         }
7682
7683         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7684       }
7685       else if (y == 2)
7686       {
7687         if (setup.input[input_player_nr].use_joystick)
7688           ConfigureJoystick(input_player_nr);
7689         else
7690           CustomizeKeyboard(input_player_nr);
7691       }
7692       else if (y == pos_end)
7693       {
7694         InitJoysticks();
7695
7696         FadeSetLeaveMenu();
7697
7698         setup_mode = SETUP_MODE_MAIN;
7699         DrawSetupScreen();
7700       }
7701     }
7702   }
7703 }
7704
7705 static boolean CustomizeKeyboardMain(int player_nr)
7706 {
7707   int i;
7708   int step_nr;
7709   boolean finished = FALSE;
7710   static struct SetupKeyboardInfo custom_key;
7711   static struct
7712   {
7713     Key *key;
7714     char *text;
7715   } customize_step[] =
7716   {
7717     { &custom_key.left,  "Move Left"    },
7718     { &custom_key.right, "Move Right"   },
7719     { &custom_key.up,    "Move Up"      },
7720     { &custom_key.down,  "Move Down"    },
7721     { &custom_key.snap,  "Snap Field"   },
7722     { &custom_key.drop,  "Drop Element" }
7723   };
7724   int font_nr_old = FONT_VALUE_OLD;
7725   int font_nr_new = FONT_VALUE_1;
7726   boolean success = FALSE;
7727
7728   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7729   {
7730     font_nr_old = FONT_VALUE_OLD_NARROW;
7731     font_nr_new = FONT_VALUE_NARROW;
7732   }
7733
7734   // read existing key bindings from player setup
7735   custom_key = setup.input[player_nr].key;
7736
7737   FadeSetEnterMenu();
7738   FadeOut(REDRAW_FIELD);
7739
7740   ClearField();
7741
7742   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7743
7744   step_nr = 0;
7745   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7746            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7747   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7748            "Key:", FONT_INPUT_1_ACTIVE);
7749   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7750            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7751
7752   FadeIn(REDRAW_FIELD);
7753
7754   while (!finished)
7755   {
7756     Event event;
7757
7758     if (NextValidEvent(&event))
7759     {
7760       switch (event.type)
7761       {
7762         case EVENT_KEYPRESS:
7763           {
7764             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7765
7766             // press 'Escape' to abort and keep the old key bindings
7767             if (key == KSYM_Escape)
7768             {
7769               FadeSkipNextFadeIn();
7770
7771               finished = TRUE;
7772
7773               break;
7774             }
7775
7776             // press 'Enter' to keep the existing key binding
7777             if (key == KSYM_Return)
7778               key = *customize_step[step_nr].key;
7779
7780             // check if key already used
7781             for (i = 0; i < step_nr; i++)
7782               if (*customize_step[i].key == key)
7783                 break;
7784             if (i < step_nr)
7785               break;
7786
7787             // got new key binding
7788             *customize_step[step_nr].key = key;
7789             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7790                      "             ", font_nr_new);
7791             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7792                      getKeyNameFromKey(key), font_nr_new);
7793             step_nr++;
7794
7795             // un-highlight last query
7796             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7797                      customize_step[step_nr - 1].text, FONT_MENU_1);
7798             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7799                      "Key:", FONT_MENU_1);
7800
7801             // all keys configured
7802             if (step_nr == 6)
7803             {
7804               finished = TRUE;
7805               success = TRUE;
7806
7807               break;
7808             }
7809
7810             // query next key binding
7811             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7812                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7813             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7814                      "Key:", FONT_INPUT_1_ACTIVE);
7815             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7816                      getKeyNameFromKey(*customize_step[step_nr].key),
7817                      font_nr_old);
7818           }
7819           break;
7820
7821         case EVENT_KEYRELEASE:
7822           key_joystick_mapping = 0;
7823           break;
7824
7825         default:
7826           HandleOtherEvents(&event);
7827           break;
7828       }
7829     }
7830
7831     BackToFront();
7832   }
7833
7834   // write new key bindings back to player setup, if successfully finished
7835   if (success)
7836     setup.input[player_nr].key = custom_key;
7837
7838   return success;
7839 }
7840
7841 void CustomizeKeyboard(int player_nr)
7842 {
7843   boolean success = CustomizeKeyboardMain(player_nr);
7844
7845   if (success)
7846   {
7847     int font_nr = FONT_TITLE_1;
7848     int font_height = getFontHeight(font_nr);
7849     int ypos1 = SYSIZE / 2 - font_height * 2;
7850     int ypos2 = SYSIZE / 2 - font_height * 1;
7851     unsigned int wait_frame_delay = 0;
7852     unsigned int wait_frame_delay_value = 2000;
7853
7854     ResetDelayCounter(&wait_frame_delay);
7855
7856     ClearField();
7857
7858     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7859     DrawTextSCentered(ypos2, font_nr, "configured!");
7860
7861     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7862       BackToFront();
7863
7864     ClearEventQueue();
7865   }
7866
7867   DrawSetupScreen_Input();
7868 }
7869
7870 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7871
7872 #define MARKER_BUTTON           1
7873 #define MARKER_AXIS_X           2
7874 #define MARKER_AXIS_Y           3
7875
7876 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7877 {
7878   static boolean bitmaps_initialized = FALSE;
7879   boolean screen_initialized = FALSE;
7880   static Bitmap *controller, *button, *axis_x, *axis_y;
7881   char *name;
7882   boolean success = TRUE;
7883   boolean done = FALSE, next = FALSE;
7884   Event event;
7885   int alpha = 200, alpha_step = -1;
7886   int alpha_ticks = 0;
7887   char mapping[4096], temp[256];
7888   int font_name = MENU_SETUP_FONT_TITLE;
7889   int font_info = MENU_SETUP_FONT_TEXT;
7890   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7891   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7892   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7893   int ystep_name = getMenuTextStep(spacing_name, font_name);
7894   int ystep_line = getMenuTextStep(spacing_line, font_info);
7895   int ystep_para = getMenuTextStep(spacing_para, font_info);
7896   int i, j;
7897
7898   struct
7899   {
7900     int x, y;
7901     int marker;
7902     char *field;
7903     int axis, button, hat, hat_value;
7904     char mapping[4096];
7905   }
7906   *step, *prev_step, steps[] =
7907   {
7908     { 356, 155, MARKER_BUTTON, "a",             },
7909     { 396, 122, MARKER_BUTTON, "b",             },
7910     { 320, 125, MARKER_BUTTON, "x",             },
7911     { 358,  95, MARKER_BUTTON, "y",             },
7912     { 162, 125, MARKER_BUTTON, "back",          },
7913     { 216, 125, MARKER_BUTTON, "guide",         },
7914     { 271, 125, MARKER_BUTTON, "start",         },
7915     { 110, 200, MARKER_BUTTON, "dpleft",        },
7916     { 146, 228, MARKER_BUTTON, "dpdown",        },
7917     { 178, 200, MARKER_BUTTON, "dpright",       },
7918     { 146, 172, MARKER_BUTTON, "dpup",          },
7919     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7920     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7921     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7922     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7923     {  73, 141, MARKER_BUTTON, "leftstick",     },
7924     { 282, 210, MARKER_BUTTON, "rightstick",    },
7925     {  73, 141, MARKER_AXIS_X, "leftx",         },
7926     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7927     { 282, 210, MARKER_AXIS_X, "rightx",        },
7928     { 282, 210, MARKER_AXIS_Y, "righty",        },
7929   };
7930
7931   unsigned int event_frame_delay = 0;
7932   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7933
7934   ResetDelayCounter(&event_frame_delay);
7935
7936   if (!bitmaps_initialized)
7937   {
7938     controller = LoadCustomImage("joystick/controller.png");
7939     button     = LoadCustomImage("joystick/button.png");
7940     axis_x     = LoadCustomImage("joystick/axis_x.png");
7941     axis_y     = LoadCustomImage("joystick/axis_y.png");
7942
7943     bitmaps_initialized = TRUE;
7944   }
7945
7946   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7947
7948 #if DEBUG_JOYSTICKS
7949   // print info about the joystick we are watching
7950   Debug("joystick", "watching joystick %d: (%s)",
7951         SDL_JoystickInstanceID(joystick), name);
7952   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
7953         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7954         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7955 #endif
7956
7957   // initialize mapping with GUID and name
7958   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7959
7960   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7961            temp, name, SDL_GetPlatform());
7962
7963   // loop through all steps (buttons and axes), getting joystick events
7964   for (i = 0; i < SDL_arraysize(steps) && !done;)
7965   {
7966     Bitmap *marker = button;    // initialize with reliable default value
7967
7968     step = &steps[i];
7969     strcpy(step->mapping, mapping);
7970     step->axis = -1;
7971     step->button = -1;
7972     step->hat = -1;
7973     step->hat_value = -1;
7974
7975     marker = (step->marker == MARKER_BUTTON ? button :
7976               step->marker == MARKER_AXIS_X ? axis_x :
7977               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7978
7979     next = FALSE;
7980
7981     while (!done && !next)
7982     {
7983       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7984       alpha_ticks = SDL_GetTicks();
7985
7986       if (alpha >= 255)
7987       {
7988         alpha = 255;
7989         alpha_step = -1;
7990       }
7991       else if (alpha < 128)
7992       {
7993         alpha = 127;
7994         alpha_step = 1;
7995       }
7996
7997       int controller_x = SX + (SXSIZE - controller->width) / 2;
7998       int controller_y = SY + ystep_line;
7999
8000       int marker_x = controller_x + step->x;
8001       int marker_y = controller_y + step->y;
8002
8003       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8004       int ystart2 = ystart1 + ystep_name + ystep_line;
8005
8006       ClearField();
8007
8008       DrawTextSCentered(ystart1, font_name, name);
8009
8010       DrawTextSCentered(ystart2, font_info,
8011                         "Press buttons and move axes on");
8012       ystart2 += ystep_line;
8013       DrawTextSCentered(ystart2, font_info,
8014                         "your controller when indicated.");
8015       ystart2 += ystep_line;
8016       DrawTextSCentered(ystart2, font_info,
8017                         "(Your controller may look different.)");
8018       ystart2 += ystep_para;
8019
8020 #if defined(PLATFORM_ANDROID)
8021       DrawTextSCentered(ystart2, font_info,
8022                         "To correct a mistake,");
8023       ystart2 += ystep_line;
8024       DrawTextSCentered(ystart2, font_info,
8025                         "press the 'back' button.");
8026       ystart2 += ystep_line;
8027       DrawTextSCentered(ystart2, font_info,
8028                         "To skip a button or axis,");
8029       ystart2 += ystep_line;
8030       DrawTextSCentered(ystart2, font_info,
8031                         "press the 'menu' button.");
8032 #else
8033       DrawTextSCentered(ystart2, font_info,
8034                         "To correct a mistake,");
8035       ystart2 += ystep_line;
8036       DrawTextSCentered(ystart2, font_info,
8037                         "press the 'backspace' key.");
8038       ystart2 += ystep_line;
8039       DrawTextSCentered(ystart2, font_info,
8040                         "To skip a button or axis,");
8041       ystart2 += ystep_line;
8042       DrawTextSCentered(ystart2, font_info,
8043                         "press the 'return' key.");
8044       ystart2 += ystep_line;
8045       DrawTextSCentered(ystart2, font_info,
8046                         "To exit, press the 'escape' key.");
8047 #endif
8048
8049       BlitBitmapMasked(controller, drawto, 0, 0,
8050                        controller->width, controller->height,
8051                        controller_x, controller_y);
8052
8053       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8054       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8055
8056       BlitBitmapMasked(marker, drawto, 0, 0,
8057                        marker->width, marker->height,
8058                        marker_x, marker_y);
8059
8060       if (!screen_initialized)
8061         FadeIn(REDRAW_FIELD);
8062       else
8063         BackToFront();
8064
8065       screen_initialized = TRUE;
8066
8067       while (NextValidEvent(&event))
8068       {
8069         switch (event.type)
8070         {
8071           case SDL_JOYAXISMOTION:
8072             if (event.jaxis.value > 20000 ||
8073                 event.jaxis.value < -20000)
8074             {
8075               for (j = 0; j < i; j++)
8076                 if (steps[j].axis == event.jaxis.axis)
8077                   break;
8078
8079               if (j == i)
8080               {
8081                 if (step->marker != MARKER_AXIS_X &&
8082                     step->marker != MARKER_AXIS_Y)
8083                   break;
8084
8085                 step->axis = event.jaxis.axis;
8086                 strcat(mapping, step->field);
8087                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8088                 strcat(mapping, temp);
8089                 i++;
8090                 next = TRUE;
8091               }
8092             }
8093
8094             break;
8095
8096           case SDL_JOYHATMOTION:
8097             // ignore centering; we're probably just coming back
8098             // to the center from the previous item we set
8099             if (event.jhat.value == SDL_HAT_CENTERED)
8100               break;
8101
8102             for (j = 0; j < i; j++)
8103               if (steps[j].hat == event.jhat.hat &&
8104                   steps[j].hat_value == event.jhat.value)
8105                 break;
8106
8107             if (j == i)
8108             {
8109               step->hat = event.jhat.hat;
8110               step->hat_value = event.jhat.value;
8111               strcat(mapping, step->field);
8112               snprintf(temp, sizeof(temp), ":h%u.%u,",
8113                        event.jhat.hat, event.jhat.value );
8114               strcat(mapping, temp);
8115               i++;
8116               next = TRUE;
8117             }
8118
8119             break;
8120
8121           case SDL_JOYBALLMOTION:
8122             break;
8123
8124           case SDL_JOYBUTTONUP:
8125             for (j = 0; j < i; j++)
8126               if (steps[j].button == event.jbutton.button)
8127                 break;
8128
8129             if (j == i)
8130             {
8131               step->button = event.jbutton.button;
8132               strcat(mapping, step->field);
8133               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8134               strcat(mapping, temp);
8135               i++;
8136               next = TRUE;
8137             }
8138
8139             break;
8140
8141           case SDL_FINGERDOWN:
8142           case SDL_MOUSEBUTTONDOWN:
8143             // skip this step
8144             i++;
8145             next = TRUE;
8146
8147             break;
8148
8149           case SDL_KEYDOWN:
8150             if (event.key.keysym.sym == KSYM_BackSpace ||
8151                 event.key.keysym.sym == KSYM_Back)
8152             {
8153               if (i == 0)
8154               {
8155                 // leave screen
8156                 success = FALSE;
8157                 done = TRUE;
8158
8159                 break;
8160               }
8161
8162               // undo this step
8163               prev_step = &steps[i - 1];
8164               strcpy(mapping, prev_step->mapping);
8165               i--;
8166               next = TRUE;
8167
8168               break;
8169             }
8170
8171             if (event.key.keysym.sym == KSYM_space ||
8172                 event.key.keysym.sym == KSYM_Return ||
8173                 event.key.keysym.sym == KSYM_Menu)
8174             {
8175               // skip this step
8176               i++;
8177               next = TRUE;
8178
8179               break;
8180             }
8181
8182             if (event.key.keysym.sym == KSYM_Escape)
8183             {
8184               // leave screen
8185               success = FALSE;
8186               done = TRUE;
8187             }
8188
8189             break;
8190
8191           case SDL_QUIT:
8192             program.exit_function(0);
8193             break;
8194
8195           default:
8196             break;
8197         }
8198
8199         // do not handle events for longer than standard frame delay period
8200         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8201           break;
8202       }
8203     }
8204   }
8205
8206   if (success)
8207   {
8208 #if DEBUG_JOYSTICKS
8209     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8210 #endif
8211
8212     // activate mapping for this game
8213     SDL_GameControllerAddMapping(mapping);
8214
8215     // save mapping to personal mappings
8216     SaveSetup_AddGameControllerMapping(mapping);
8217   }
8218
8219   // wait until the last pending event was removed from event queue
8220   while (NextValidEvent(&event));
8221
8222   return success;
8223 }
8224
8225 static int ConfigureJoystickMain(int player_nr)
8226 {
8227   char *device_name = setup.input[player_nr].joy.device_name;
8228   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8229   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8230   int success = FALSE;
8231   int i;
8232
8233   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8234     return JOYSTICK_NOT_AVAILABLE;
8235
8236   if (!joystick_active || !setup.input[player_nr].use_joystick)
8237     return JOYSTICK_NOT_AVAILABLE;
8238
8239   FadeSetEnterMenu();
8240   FadeOut(REDRAW_FIELD);
8241
8242   // close all joystick devices (potentially opened as game controllers)
8243   for (i = 0; i < SDL_NumJoysticks(); i++)
8244     SDLCloseJoystick(i);
8245
8246   // open joystick device as plain joystick to configure as game controller
8247   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8248
8249   // as the joystick was successfully opened before, this should not happen
8250   if (joystick == NULL)
8251     return FALSE;
8252
8253   // create new game controller mapping (buttons and axes) for joystick device
8254   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8255
8256   // close joystick (and maybe re-open as configured game controller later)
8257   SDL_JoystickClose(joystick);
8258
8259   // re-open all joystick devices (potentially as game controllers)
8260   for (i = 0; i < SDL_NumJoysticks(); i++)
8261     SDLOpenJoystick(i);
8262
8263   // clear all joystick input actions for all joystick devices
8264   SDLClearJoystickState();
8265
8266   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8267 }
8268
8269 void ConfigureJoystick(int player_nr)
8270 {
8271   boolean state = ConfigureJoystickMain(player_nr);
8272
8273   if (state != JOYSTICK_NOT_CONFIGURED)
8274   {
8275     boolean success = (state == JOYSTICK_CONFIGURED);
8276     char message1[MAX_OUTPUT_LINESIZE + 1];
8277     char *message2 = (success ? "configured!" : "not available!");
8278     char *device_name = setup.input[player_nr].joy.device_name;
8279     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8280     int font_nr = FONT_TITLE_1;
8281     int font_height = getFontHeight(font_nr);
8282     int ypos1 = SYSIZE / 2 - font_height * 2;
8283     int ypos2 = SYSIZE / 2 - font_height * 1;
8284     unsigned int wait_frame_delay = 0;
8285     unsigned int wait_frame_delay_value = 2000;
8286
8287     ResetDelayCounter(&wait_frame_delay);
8288
8289     ClearField();
8290
8291     sprintf(message1, "Joystick %d", nr);
8292
8293     DrawTextSCentered(ypos1, font_nr, message1);
8294     DrawTextSCentered(ypos2, font_nr, message2);
8295
8296     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8297       BackToFront();
8298
8299     ClearEventQueue();
8300   }
8301
8302   DrawSetupScreen_Input();
8303 }
8304
8305 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8306 {
8307   if (y < video.screen_height / 3)
8308   {
8309     // remap touch gadgets to access upper part of the screen
8310     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8311     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8312   }
8313   else if (y > 2 * video.screen_height / 3)
8314   {
8315     // remap touch gadgets to access lower part of the screen
8316     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8317     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8318   }
8319 }
8320
8321 static boolean ConfigureVirtualButtonsMain(void)
8322 {
8323   static char *customize_step_text[] =
8324   {
8325     "Move Left",
8326     "Move Right",
8327     "Move Up",
8328     "Move Down",
8329     "Snap Field",
8330     "Drop Element"
8331   };
8332   char grid_button[] =
8333   {
8334     CHAR_GRID_BUTTON_LEFT,
8335     CHAR_GRID_BUTTON_RIGHT,
8336     CHAR_GRID_BUTTON_UP,
8337     CHAR_GRID_BUTTON_DOWN,
8338     CHAR_GRID_BUTTON_SNAP,
8339     CHAR_GRID_BUTTON_DROP
8340   };
8341   enum
8342   {
8343     ACTION_NONE,
8344     ACTION_ESCAPE,
8345     ACTION_BACK,
8346     ACTION_NEXT
8347   };
8348   int font_nr = FONT_INPUT_1_ACTIVE;
8349   int font_height = getFontHeight(font_nr);
8350   int ypos1 = SYSIZE / 2 - font_height * 2;
8351   int ypos2 = SYSIZE / 2 - font_height * 1;
8352   boolean success = FALSE;
8353   boolean finished = FALSE;
8354   int step_nr = 0;
8355   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8356   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8357   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8358   boolean set_grid_button = FALSE;
8359   int nr = GRID_ACTIVE_NR();
8360   int x, y;
8361
8362   for (x = 0; x < MAX_GRID_XSIZE; x++)
8363     for (y = 0; y < MAX_GRID_YSIZE; y++)
8364       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8365
8366   overlay.grid_button_highlight = grid_button[step_nr];
8367
8368   UnmapAllGadgets();
8369
8370   FadeSetEnterMenu();
8371   FadeOut(REDRAW_FIELD);
8372
8373   ClearField();
8374
8375   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8376   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8377   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8378
8379   FadeIn(REDRAW_FIELD);
8380
8381   SetOverlayShowGrid(TRUE);
8382
8383   // map gadgets for setup touch buttons menu screen
8384   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8385
8386   while (!finished)
8387   {
8388     Event event;
8389
8390     while (NextValidEvent(&event))
8391     {
8392       int action = ACTION_NONE;
8393
8394       // ---------- handle events and set the resulting action ----------
8395
8396       switch (event.type)
8397       {
8398         case EVENT_USER:
8399           {
8400             UserEvent *user = (UserEvent *)&event;
8401             int id = user->value1;
8402
8403             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8404                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8405                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8406                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8407                       ACTION_NONE);
8408           }
8409           break;
8410
8411         case EVENT_KEYPRESS:
8412           {
8413             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8414
8415             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8416                       key == KSYM_BackSpace ||
8417                       key == KSYM_Back ?        ACTION_BACK :
8418                       key == KSYM_Return ||
8419                       key == KSYM_Menu ||
8420                       key == KSYM_space ?       ACTION_NEXT :
8421                       ACTION_NONE);
8422           }
8423           break;
8424
8425         case EVENT_KEYRELEASE:
8426           key_joystick_mapping = 0;
8427           break;
8428
8429         case EVENT_BUTTONPRESS:
8430         case EVENT_BUTTONRELEASE:
8431           {
8432             ButtonEvent *button = (ButtonEvent *)&event;
8433
8434             motion_status = FALSE;
8435
8436             if (button->type == EVENT_BUTTONPRESS)
8437               button_status = button->button;
8438             else
8439               button_status = MB_RELEASED;
8440
8441             if (HandleGadgets(button->x, button->y, button_status))
8442             {
8443               // do not handle this button event anymore
8444               break;
8445             }
8446
8447             button->x += video.screen_xoffset;
8448             button->y += video.screen_yoffset;
8449
8450             x = button->x * overlay.grid_xsize / video.screen_width;
8451             y = button->y * overlay.grid_ysize / video.screen_height;
8452
8453             if (button->type == EVENT_BUTTONPRESS)
8454             {
8455               grid_button_draw =
8456                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8457                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8458
8459               set_grid_button = TRUE;
8460             }
8461
8462             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8463           }
8464           break;
8465
8466         case EVENT_MOTIONNOTIFY:
8467           {
8468             MotionEvent *motion = (MotionEvent *)&event;
8469
8470             motion_status = TRUE;
8471
8472             if (HandleGadgets(motion->x, motion->y, button_status))
8473             {
8474               // do not handle this button event anymore
8475               break;
8476             }
8477
8478             motion->x += video.screen_xoffset;
8479             motion->y += video.screen_yoffset;
8480
8481             x = motion->x * overlay.grid_xsize / video.screen_width;
8482             y = motion->y * overlay.grid_ysize / video.screen_height;
8483
8484             set_grid_button = TRUE;
8485
8486             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8487           }
8488           break;
8489
8490         case SDL_WINDOWEVENT:
8491           HandleWindowEvent((WindowEvent *) &event);
8492
8493           // check if device has been rotated
8494           if (nr != GRID_ACTIVE_NR())
8495           {
8496             nr = GRID_ACTIVE_NR();
8497
8498             for (x = 0; x < MAX_GRID_XSIZE; x++)
8499               for (y = 0; y < MAX_GRID_YSIZE; y++)
8500                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8501                   overlay.grid_button[x][y];
8502           }
8503
8504           break;
8505
8506         case SDL_APP_WILLENTERBACKGROUND:
8507         case SDL_APP_DIDENTERBACKGROUND:
8508         case SDL_APP_WILLENTERFOREGROUND:
8509         case SDL_APP_DIDENTERFOREGROUND:
8510           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8511           break;
8512
8513         default:
8514           HandleOtherEvents(&event);
8515           break;
8516       }
8517
8518       // ---------- perform action set by handling events ----------
8519
8520       if (action == ACTION_ESCAPE)
8521       {
8522         // abort and restore the old key bindings
8523
8524         for (x = 0; x < MAX_GRID_XSIZE; x++)
8525           for (y = 0; y < MAX_GRID_YSIZE; y++)
8526             overlay.grid_button[x][y] = grid_button_old[x][y];
8527
8528         FadeSkipNextFadeIn();
8529
8530         finished = TRUE;
8531       }
8532       else if (action == ACTION_BACK)
8533       {
8534         // keep the configured key bindings and go to previous page
8535
8536         step_nr--;
8537
8538         if (step_nr < 0)
8539         {
8540           FadeSkipNextFadeIn();
8541
8542           finished = TRUE;
8543         }
8544       }
8545       else if (action == ACTION_NEXT)
8546       {
8547         // keep the configured key bindings and go to next page
8548
8549         step_nr++;
8550
8551         // all virtual buttons configured
8552         if (step_nr == 6)
8553         {
8554           finished = TRUE;
8555           success = TRUE;
8556         }
8557       }
8558
8559       if (action != ACTION_NONE && !finished)
8560       {
8561         for (x = 0; x < MAX_GRID_XSIZE; x++)
8562           for (y = 0; y < MAX_GRID_YSIZE; y++)
8563             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8564
8565         overlay.grid_button_highlight = grid_button[step_nr];
8566
8567         // configure next virtual button
8568
8569         ClearField();
8570
8571         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8572         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8573         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8574       }
8575
8576       if (set_grid_button)
8577       {
8578         overlay.grid_button[x][y] =
8579           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8580            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8581            grid_button_tmp[x][y]);
8582
8583         set_grid_button = FALSE;
8584       }
8585     }
8586
8587     BackToFront();
8588   }
8589
8590   for (x = 0; x < MAX_GRID_XSIZE; x++)
8591     for (y = 0; y < MAX_GRID_YSIZE; y++)
8592       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8593
8594   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8595
8596   SetOverlayShowGrid(FALSE);
8597
8598   return success;
8599 }
8600
8601 void ConfigureVirtualButtons(void)
8602 {
8603   boolean success = ConfigureVirtualButtonsMain();
8604
8605   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8606                          SCREEN_MASK_TOUCH2);
8607
8608   if (success)
8609   {
8610     int font_nr = FONT_TITLE_1;
8611     int font_height = getFontHeight(font_nr);
8612     int ypos1 = SYSIZE / 2 - font_height * 2;
8613     int ypos2 = SYSIZE / 2 - font_height * 1;
8614     unsigned int wait_frame_delay = 0;
8615     unsigned int wait_frame_delay_value = 2000;
8616
8617     ResetDelayCounter(&wait_frame_delay);
8618
8619     ClearField();
8620
8621     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8622     DrawTextSCentered(ypos2, font_nr, "configured!");
8623
8624     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8625       BackToFront();
8626
8627     ClearEventQueue();
8628   }
8629 }
8630
8631 void DrawSetupScreen(void)
8632 {
8633   align_xoffset = 0;
8634   align_yoffset = 0;
8635
8636   if (setup_mode == SETUP_MODE_INPUT)
8637     DrawSetupScreen_Input();
8638   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8639     DrawChooseTree(&game_speed_current);
8640   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8641     DrawChooseTree(&scroll_delay_current);
8642   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8643     DrawChooseTree(&snapshot_mode_current);
8644   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8645     DrawChooseTree(&window_size_current);
8646   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8647     DrawChooseTree(&scaling_type_current);
8648   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8649     DrawChooseTree(&rendering_mode_current);
8650   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8651     DrawChooseTree(&vsync_mode_current);
8652   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8653     DrawChooseTree(&artwork.gfx_current);
8654   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8655     DrawChooseTree(&artwork.snd_current);
8656   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8657     DrawChooseTree(&artwork.mus_current);
8658   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8659     DrawChooseTree(&volume_simple_current);
8660   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8661     DrawChooseTree(&volume_loops_current);
8662   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8663     DrawChooseTree(&volume_music_current);
8664   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8665     DrawChooseTree(&touch_control_current);
8666   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8667     DrawChooseTree(&move_distance_current);
8668   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8669     DrawChooseTree(&drop_distance_current);
8670   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8671     DrawChooseTree(&transparency_current);
8672   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8673     DrawChooseTree(&grid_size_current[0][0]);
8674   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8675     DrawChooseTree(&grid_size_current[0][1]);
8676   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8677     DrawChooseTree(&grid_size_current[1][0]);
8678   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8679     DrawChooseTree(&grid_size_current[1][1]);
8680   else
8681     DrawSetupScreen_Generic();
8682
8683   PlayMenuSoundsAndMusic();
8684 }
8685
8686 void RedrawSetupScreenAfterFullscreenToggle(void)
8687 {
8688   if (setup_mode == SETUP_MODE_GRAPHICS ||
8689       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8690   {
8691     // update list selection from "setup.window_scaling_percent"
8692     execSetupGraphics_setWindowSizes(TRUE);
8693
8694     DrawSetupScreen();
8695   }
8696 }
8697
8698 void RedrawSetupScreenAfterScreenRotation(int nr)
8699 {
8700   int x, y;
8701
8702   if (setup_mode == SETUP_MODE_TOUCH)
8703   {
8704     // update virtual button settings (depending on screen orientation)
8705     DrawSetupScreen();
8706   }
8707   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8708   {
8709     // save already configured virtual buttons
8710     for (x = 0; x < MAX_GRID_XSIZE; x++)
8711       for (y = 0; y < MAX_GRID_YSIZE; y++)
8712         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8713   }
8714 }
8715
8716 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8717 {
8718   if (setup_mode == SETUP_MODE_INPUT)
8719     HandleSetupScreen_Input(mx, my, dx, dy, button);
8720   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8721     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8722   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8723     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8724   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8725     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8726   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8727     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8728   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8729     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8730   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8731     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8732   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8733     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8734   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8735     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8736   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8737     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8738   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8739     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8740   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8741     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8742   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8743     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8744   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8745     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8746   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8747     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8748   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8749     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8750   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8751     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8752   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8753     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8754   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8755     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8756   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8757     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8758   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8759     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8760   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8761     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8762   else
8763     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8764 }
8765
8766 void HandleGameActions(void)
8767 {
8768   if (setup.ask_on_game_over)
8769     CheckGameOver();
8770
8771   if (game.restart_game_message != NULL)
8772   {
8773     RequestRestartGame(game.restart_game_message);
8774
8775     return;
8776   }
8777
8778   if (game_status != GAME_MODE_PLAYING)
8779     return;
8780
8781   GameActions();        // main game loop
8782
8783   if (tape.auto_play && !tape.playing)
8784     AutoPlayTapes();    // continue automatically playing next tape
8785 }
8786
8787
8788 // ---------- new screen button stuff --------------------------------------
8789
8790 static struct
8791 {
8792   int gfx_unpressed, gfx_pressed;
8793   struct MenuPosInfo *pos;
8794   boolean *check_value;
8795   int gadget_id;
8796   int screen_mask;
8797   unsigned int event_mask;
8798   boolean is_touch_button;
8799   char *infotext;
8800 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8801 {
8802   {
8803     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8804     &menu.main.button.prev_level, NULL,
8805     SCREEN_CTRL_ID_PREV_LEVEL,
8806     SCREEN_MASK_MAIN,
8807     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8808     FALSE, "previous level"
8809   },
8810   {
8811     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8812     &menu.main.button.next_level, NULL,
8813     SCREEN_CTRL_ID_NEXT_LEVEL,
8814     SCREEN_MASK_MAIN,
8815     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8816     FALSE, "next level"
8817   },
8818   {
8819     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8820     &menu.main.button.first_level, NULL,
8821     SCREEN_CTRL_ID_FIRST_LEVEL,
8822     SCREEN_MASK_MAIN,
8823     GD_EVENT_RELEASED,
8824     FALSE, "first level"
8825   },
8826   {
8827     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8828     &menu.main.button.last_level, NULL,
8829     SCREEN_CTRL_ID_LAST_LEVEL,
8830     SCREEN_MASK_MAIN,
8831     GD_EVENT_RELEASED,
8832     FALSE, "last level"
8833   },
8834   {
8835     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8836     &menu.main.button.level_number, NULL,
8837     SCREEN_CTRL_ID_LEVEL_NUMBER,
8838     SCREEN_MASK_MAIN,
8839     GD_EVENT_RELEASED,
8840     FALSE, "level number"
8841   },
8842   {
8843     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8844     &menu.setup.button.prev_player, NULL,
8845     SCREEN_CTRL_ID_PREV_PLAYER,
8846     SCREEN_MASK_INPUT,
8847     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8848     FALSE, "previous player"
8849   },
8850   {
8851     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8852     &menu.setup.button.next_player, NULL,
8853     SCREEN_CTRL_ID_NEXT_PLAYER,
8854     SCREEN_MASK_INPUT,
8855     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8856     FALSE, "next player"
8857   },
8858   {
8859     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8860     &menu.main.button.insert_solution, NULL,
8861     SCREEN_CTRL_ID_INSERT_SOLUTION,
8862     SCREEN_MASK_MAIN_HAS_SOLUTION,
8863     GD_EVENT_RELEASED,
8864     FALSE, "insert solution tape"
8865   },
8866   {
8867     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8868     &menu.main.button.play_solution, NULL,
8869     SCREEN_CTRL_ID_PLAY_SOLUTION,
8870     SCREEN_MASK_MAIN_HAS_SOLUTION,
8871     GD_EVENT_RELEASED,
8872     FALSE, "play solution tape"
8873   },
8874   {
8875     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8876     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8877     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8878     SCREEN_MASK_MAIN,
8879     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8880     FALSE, "switch ECS/AGA chipset"
8881   },
8882   {
8883     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8884     &menu.setup.button.touch_back, NULL,
8885     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8886     SCREEN_MASK_TOUCH,
8887     GD_EVENT_RELEASED,
8888     TRUE, "previous page"
8889   },
8890   {
8891     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8892     &menu.setup.button.touch_next, NULL,
8893     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8894     SCREEN_MASK_TOUCH,
8895     GD_EVENT_RELEASED,
8896     TRUE, "next page"
8897   },
8898   {
8899     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8900     &menu.setup.button.touch_back2, NULL,
8901     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8902     SCREEN_MASK_TOUCH2,
8903     GD_EVENT_RELEASED,
8904     TRUE, "previous page"
8905   },
8906   {
8907     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8908     &menu.setup.button.touch_next2, NULL,
8909     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8910     SCREEN_MASK_TOUCH2,
8911     GD_EVENT_RELEASED,
8912     TRUE, "next page"
8913   },
8914 };
8915
8916 static struct
8917 {
8918   int gfx_unpressed, gfx_pressed;
8919   int x, y;
8920   int gadget_id;
8921   char *infotext;
8922 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8923 {
8924   {
8925     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8926     -1, -1,     // these values are not constant, but can change at runtime
8927     SCREEN_CTRL_ID_SCROLL_UP,
8928     "scroll up"
8929   },
8930   {
8931     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8932     -1, -1,     // these values are not constant, but can change at runtime
8933     SCREEN_CTRL_ID_SCROLL_DOWN,
8934     "scroll down"
8935   }
8936 };
8937
8938 static struct
8939 {
8940   int gfx_unpressed, gfx_pressed;
8941   int x, y;
8942   int width, height;
8943   int type;
8944   int gadget_id;
8945   char *infotext;
8946 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8947 {
8948   {
8949     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8950     -1, -1,     // these values are not constant, but can change at runtime
8951     -1, -1,     // these values are not constant, but can change at runtime
8952     GD_TYPE_SCROLLBAR_VERTICAL,
8953     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8954     "scroll level series vertically"
8955   }
8956 };
8957
8958 static struct
8959 {
8960   int graphic;
8961   int gadget_id;
8962   int x, y;
8963   int size;
8964   char *value;
8965   char *infotext;
8966 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8967 {
8968   {
8969     IMG_SETUP_INPUT_TEXT,
8970     SCREEN_CTRL_ID_NETWORK_SERVER,
8971     -1, -1,     // these values are not constant, but can change at runtime
8972     MAX_SETUP_TEXT_INPUT_LEN,
8973     network_server_hostname,
8974     "Network Server Hostname / IP"
8975   },
8976 };
8977
8978 static void CreateScreenMenubuttons(void)
8979 {
8980   struct GadgetInfo *gi;
8981   unsigned int event_mask;
8982   int i;
8983
8984   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8985   {
8986     struct MenuPosInfo *pos = menubutton_info[i].pos;
8987     boolean is_touch_button = menubutton_info[i].is_touch_button;
8988     boolean is_check_button = menubutton_info[i].check_value != NULL;
8989     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8990     int gfx_unpressed, gfx_pressed;
8991     int x, y, width, height;
8992     int gd_x1, gd_x2, gd_y1, gd_y2;
8993     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
8994     int id = menubutton_info[i].gadget_id;
8995     int type = GD_TYPE_NORMAL_BUTTON;
8996     boolean checked = FALSE;
8997
8998     event_mask = menubutton_info[i].event_mask;
8999
9000     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9001     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9002
9003     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9004     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9005
9006     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9007     gfx_pressed   = menubutton_info[i].gfx_pressed;
9008     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9009     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9010     gd_x1 = graphic_info[gfx_unpressed].src_x;
9011     gd_y1 = graphic_info[gfx_unpressed].src_y;
9012     gd_x2 = graphic_info[gfx_pressed].src_x;
9013     gd_y2 = graphic_info[gfx_pressed].src_y;
9014     gd_x1a = gd_x1;
9015     gd_y1a = gd_y1;
9016     gd_x2a = gd_x2;
9017     gd_y2a = gd_y2;
9018
9019     if (is_touch_button)
9020     {
9021       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9022       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9023     }
9024
9025     if (is_check_button)
9026     {
9027       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9028       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9029       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9030       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9031
9032       type = GD_TYPE_CHECK_BUTTON;
9033       checked = *menubutton_info[i].check_value;
9034     }
9035
9036     gi = CreateGadget(GDI_CUSTOM_ID, id,
9037                       GDI_CUSTOM_TYPE_ID, i,
9038                       GDI_IMAGE_ID, gfx_unpressed,
9039                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9040                       GDI_X, x,
9041                       GDI_Y, y,
9042                       GDI_WIDTH, width,
9043                       GDI_HEIGHT, height,
9044                       GDI_TYPE, type,
9045                       GDI_STATE, GD_BUTTON_UNPRESSED,
9046                       GDI_CHECKED, checked,
9047                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9048                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9049                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9050                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9051                       GDI_DIRECT_DRAW, FALSE,
9052                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9053                       GDI_EVENT_MASK, event_mask,
9054                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9055                       GDI_END);
9056
9057     if (gi == NULL)
9058       Fail("cannot create gadget");
9059
9060     screen_gadget[id] = gi;
9061   }
9062 }
9063
9064 static void CreateScreenScrollbuttons(void)
9065 {
9066   struct GadgetInfo *gi;
9067   unsigned int event_mask;
9068   int i;
9069
9070   // these values are not constant, but can change at runtime
9071   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9072   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9073   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9074   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9075
9076   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9077   {
9078     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9079     int gfx_unpressed, gfx_pressed;
9080     int x, y, width, height;
9081     int gd_x1, gd_x2, gd_y1, gd_y2;
9082     int id = scrollbutton_info[i].gadget_id;
9083
9084     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9085
9086     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9087     y = mSY + scrollbutton_info[i].y;
9088     width = SC_SCROLLBUTTON_XSIZE;
9089     height = SC_SCROLLBUTTON_YSIZE;
9090
9091     // correct scrollbar position if placed outside menu (playfield) area
9092     if (x > SX + SC_SCROLL_UP_XPOS)
9093       x = SX + SC_SCROLL_UP_XPOS;
9094
9095     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9096       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9097                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9098
9099     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9100     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9101     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9102     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9103     gd_x1 = graphic_info[gfx_unpressed].src_x;
9104     gd_y1 = graphic_info[gfx_unpressed].src_y;
9105     gd_x2 = graphic_info[gfx_pressed].src_x;
9106     gd_y2 = graphic_info[gfx_pressed].src_y;
9107
9108     gi = CreateGadget(GDI_CUSTOM_ID, id,
9109                       GDI_CUSTOM_TYPE_ID, i,
9110                       GDI_IMAGE_ID, gfx_unpressed,
9111                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9112                       GDI_X, x,
9113                       GDI_Y, y,
9114                       GDI_WIDTH, width,
9115                       GDI_HEIGHT, height,
9116                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9117                       GDI_STATE, GD_BUTTON_UNPRESSED,
9118                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9119                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9120                       GDI_DIRECT_DRAW, FALSE,
9121                       GDI_EVENT_MASK, event_mask,
9122                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9123                       GDI_END);
9124
9125     if (gi == NULL)
9126       Fail("cannot create gadget");
9127
9128     screen_gadget[id] = gi;
9129   }
9130 }
9131
9132 static void CreateScreenScrollbars(void)
9133 {
9134   int i;
9135
9136   // these values are not constant, but can change at runtime
9137   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9138   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9139   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9140   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9141
9142   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9143   {
9144     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9145     int gfx_unpressed, gfx_pressed;
9146     int x, y, width, height;
9147     int gd_x1, gd_x2, gd_y1, gd_y2;
9148     struct GadgetInfo *gi;
9149     int items_max, items_visible, item_position;
9150     unsigned int event_mask;
9151     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9152     int id = scrollbar_info[i].gadget_id;
9153
9154     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9155
9156     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9157     y = mSY + scrollbar_info[i].y;
9158     width  = scrollbar_info[i].width;
9159     height = scrollbar_info[i].height;
9160
9161     // correct scrollbar position if placed outside menu (playfield) area
9162     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9163       x = SX + SC_SCROLL_VERTICAL_XPOS;
9164
9165     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9166       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9167
9168     items_max = num_page_entries;
9169     items_visible = num_page_entries;
9170     item_position = 0;
9171
9172     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9173     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9174     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9175     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9176     gd_x1 = graphic_info[gfx_unpressed].src_x;
9177     gd_y1 = graphic_info[gfx_unpressed].src_y;
9178     gd_x2 = graphic_info[gfx_pressed].src_x;
9179     gd_y2 = graphic_info[gfx_pressed].src_y;
9180
9181     gi = CreateGadget(GDI_CUSTOM_ID, id,
9182                       GDI_CUSTOM_TYPE_ID, i,
9183                       GDI_IMAGE_ID, gfx_unpressed,
9184                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9185                       GDI_X, x,
9186                       GDI_Y, y,
9187                       GDI_WIDTH, width,
9188                       GDI_HEIGHT, height,
9189                       GDI_TYPE, scrollbar_info[i].type,
9190                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9191                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9192                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9193                       GDI_WHEEL_AREA_X, SX,
9194                       GDI_WHEEL_AREA_Y, SY,
9195                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9196                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9197                       GDI_STATE, GD_BUTTON_UNPRESSED,
9198                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9199                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9200                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9201                       GDI_DIRECT_DRAW, FALSE,
9202                       GDI_EVENT_MASK, event_mask,
9203                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9204                       GDI_END);
9205
9206     if (gi == NULL)
9207       Fail("cannot create gadget");
9208
9209     screen_gadget[id] = gi;
9210   }
9211 }
9212
9213 static void CreateScreenTextInputGadgets(void)
9214 {
9215   int i;
9216
9217   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9218   {
9219     int graphic = textinput_info[i].graphic;
9220     struct GraphicInfo *gd = &graphic_info[graphic];
9221     int gd_x1 = gd->src_x;
9222     int gd_y1 = gd->src_y;
9223     int gd_x2 = gd->src_x + gd->active_xoffset;
9224     int gd_y2 = gd->src_y + gd->active_yoffset;
9225     struct GadgetInfo *gi;
9226     unsigned int event_mask;
9227     int id = textinput_info[i].gadget_id;
9228     int x = textinput_info[i].x;
9229     int y = textinput_info[i].y;
9230
9231     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9232
9233     gi = CreateGadget(GDI_CUSTOM_ID, id,
9234                       GDI_CUSTOM_TYPE_ID, i,
9235                       GDI_INFO_TEXT, textinput_info[i].infotext,
9236                       GDI_X, SX + x,
9237                       GDI_Y, SY + y,
9238                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9239                       GDI_TEXT_VALUE, textinput_info[i].value,
9240                       GDI_TEXT_SIZE, textinput_info[i].size,
9241                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9242                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9243                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9244                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9245                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9246                       GDI_DESIGN_WIDTH, gd->width,
9247                       GDI_EVENT_MASK, event_mask,
9248                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9249                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9250                       GDI_END);
9251
9252     if (gi == NULL)
9253       Fail("cannot create gadget");
9254
9255     screen_gadget[id] = gi;
9256   }
9257 }
9258
9259 void CreateScreenGadgets(void)
9260 {
9261   CreateScreenMenubuttons();
9262
9263   CreateScreenScrollbuttons();
9264   CreateScreenScrollbars();
9265
9266   CreateScreenTextInputGadgets();
9267 }
9268
9269 void FreeScreenGadgets(void)
9270 {
9271   int i;
9272
9273   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9274     FreeGadget(screen_gadget[i]);
9275 }
9276
9277 static void MapScreenMenuGadgets(int screen_mask)
9278 {
9279   int i;
9280
9281   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9282     if (screen_mask & menubutton_info[i].screen_mask)
9283       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9284 }
9285
9286 static void UnmapScreenMenuGadgets(int screen_mask)
9287 {
9288   int i;
9289
9290   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9291   {
9292     if (screen_mask & menubutton_info[i].screen_mask)
9293     {
9294       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9295
9296       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9297         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9298                        screen_gadget[menubutton_info[i].gadget_id]->y,
9299                        screen_gadget[menubutton_info[i].gadget_id]->width,
9300                        screen_gadget[menubutton_info[i].gadget_id]->height);
9301     }
9302   }
9303 }
9304
9305 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9306 {
9307   if (map_gadgets)
9308     MapScreenMenuGadgets(screen_mask);
9309   else
9310     UnmapScreenMenuGadgets(screen_mask);
9311 }
9312
9313 static void MapScreenGadgets(int num_entries)
9314 {
9315   int i;
9316
9317   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9318     return;
9319
9320   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9321     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9322
9323   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9324     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9325 }
9326
9327 static void MapScreenTreeGadgets(TreeInfo *ti)
9328 {
9329   MapScreenGadgets(numTreeInfoInGroup(ti));
9330 }
9331
9332 static void HandleScreenGadgets(struct GadgetInfo *gi)
9333 {
9334   int id = gi->custom_id;
9335   int button = gi->event.button;
9336   int step = (button == MB_LEFTBUTTON   ? 1 :
9337               button == MB_MIDDLEBUTTON ? 5 :
9338               button == MB_RIGHTBUTTON  ? 10 : 1);
9339
9340   switch (id)
9341   {
9342     case SCREEN_CTRL_ID_PREV_LEVEL:
9343       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9344       break;
9345
9346     case SCREEN_CTRL_ID_NEXT_LEVEL:
9347       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9348       break;
9349
9350     case SCREEN_CTRL_ID_FIRST_LEVEL:
9351       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9352       break;
9353
9354     case SCREEN_CTRL_ID_LAST_LEVEL:
9355       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9356       break;
9357
9358     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9359       CloseDoor(DOOR_CLOSE_2);
9360       SetGameStatus(GAME_MODE_LEVELNR);
9361       DrawChooseLevelNr();
9362       break;
9363
9364     case SCREEN_CTRL_ID_PREV_PLAYER:
9365       HandleSetupScreen_Input_Player(step, -1);
9366       break;
9367
9368     case SCREEN_CTRL_ID_NEXT_PLAYER:
9369       HandleSetupScreen_Input_Player(step, +1);
9370       break;
9371
9372     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9373       InsertSolutionTape();
9374       break;
9375
9376     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9377       PlaySolutionTape();
9378       break;
9379
9380     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9381       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9382       DrawMainMenu();
9383       break;
9384
9385     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9386     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9387     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9388     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9389       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9390       break;
9391
9392     case SCREEN_CTRL_ID_SCROLL_UP:
9393       if (game_status == GAME_MODE_NAMES)
9394         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9395       else if (game_status == GAME_MODE_LEVELS)
9396         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9397       else if (game_status == GAME_MODE_LEVELNR)
9398         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9399       else if (game_status == GAME_MODE_SETUP)
9400         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9401       else if (game_status == GAME_MODE_INFO)
9402         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9403       break;
9404
9405     case SCREEN_CTRL_ID_SCROLL_DOWN:
9406       if (game_status == GAME_MODE_NAMES)
9407         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9408       else if (game_status == GAME_MODE_LEVELS)
9409         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9410       else if (game_status == GAME_MODE_LEVELNR)
9411         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9412       else if (game_status == GAME_MODE_SETUP)
9413         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9414       else if (game_status == GAME_MODE_INFO)
9415         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9416       break;
9417
9418     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9419       if (game_status == GAME_MODE_NAMES)
9420         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9421       else if (game_status == GAME_MODE_LEVELS)
9422         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9423       else if (game_status == GAME_MODE_LEVELNR)
9424         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9425       else if (game_status == GAME_MODE_SETUP)
9426         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9427       else if (game_status == GAME_MODE_INFO)
9428         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9429       break;
9430
9431     case SCREEN_CTRL_ID_NETWORK_SERVER:
9432     {
9433       if (!strEqual(gi->textinput.value, ""))
9434       {
9435         setString(&setup.network_server_hostname, gi->textinput.value);
9436
9437         network.server_host = setup.network_server_hostname;
9438       }
9439       else
9440       {
9441         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9442
9443         network.server_host = NULL;
9444       }
9445
9446       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9447         network.server_host = NULL;
9448
9449       execSetupGame_setNetworkServerText();
9450
9451       DrawSetupScreen();
9452
9453       break;
9454     }
9455
9456     default:
9457       break;
9458   }
9459 }
9460
9461 void DumpScreenIdentifiers(void)
9462 {
9463   int i;
9464
9465   Print("Active screen elements on current screen:\n");
9466
9467   for (i = 0; main_controls[i].nr != -1; i++)
9468   {
9469     struct MainControlInfo *mci = &main_controls[i];
9470
9471     if (mci->button_graphic != -1)
9472     {
9473       char *token = getTokenFromImageID(mci->button_graphic);
9474
9475       Print("- '%s'\n", token);
9476     }
9477   }
9478
9479   Print("Done.\n");
9480 }
9481
9482 boolean DoScreenAction(int image_id)
9483 {
9484   int i;
9485
9486   if (game_status != GAME_MODE_MAIN)
9487     return FALSE;
9488
9489   for (i = 0; main_controls[i].nr != -1; i++)
9490   {
9491     struct MainControlInfo *mci = &main_controls[i];
9492     struct MenuPosInfo *pos = mci->pos_button;
9493
9494     if (mci->button_graphic == image_id)
9495     {
9496       int x = mSX + pos->x;
9497       int y = mSY + pos->y;
9498
9499       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9500
9501       return TRUE;
9502     }
9503   }
9504
9505   return FALSE;
9506 }
9507
9508 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9509 {
9510   // get tree info node of newly added level or artwork set
9511   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9512   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9513                                                       tree_subdir_new);
9514   if (tree_node_new == NULL)    // should not happen
9515     return;
9516
9517   // if request dialog is active, do nothing
9518   if (game.request_active)
9519     return;
9520
9521   if (game_status == GAME_MODE_MAIN &&
9522       tree_type == TREE_TYPE_LEVEL_DIR)
9523   {
9524     // when adding new level set in main menu, select it as current level set
9525
9526     // change current level set to newly added level set from zip file
9527     leveldir_current = tree_node_new;
9528
9529     // change current level number to first level of newly added level set
9530     level_nr = leveldir_current->first_level;
9531
9532     // redraw screen to reflect changed level set
9533     DrawMainMenu();
9534
9535     // save this level set and level number as last selected level set
9536     SaveLevelSetup_LastSeries();
9537     SaveLevelSetup_SeriesInfo();
9538   }
9539   else if (game_status == GAME_MODE_LEVELS &&
9540            tree_type == TREE_TYPE_LEVEL_DIR)
9541   {
9542     // when adding new level set in level set menu, set cursor and update screen
9543
9544     leveldir_current = tree_node_new;
9545
9546     DrawChooseTree(&leveldir_current);
9547   }
9548   else if (game_status == GAME_MODE_SETUP)
9549   {
9550     // when adding new artwork set in setup menu, set cursor and update screen
9551
9552     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9553         tree_type == TREE_TYPE_GRAPHICS_DIR)
9554     {
9555       artwork.gfx_current = tree_node_new;
9556
9557       DrawChooseTree(&artwork.gfx_current);
9558     }
9559     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9560              tree_type == TREE_TYPE_SOUNDS_DIR)
9561     {
9562       artwork.snd_current = tree_node_new;
9563
9564       DrawChooseTree(&artwork.snd_current);
9565     }
9566     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9567              tree_type == TREE_TYPE_MUSIC_DIR)
9568     {
9569       artwork.mus_current = tree_node_new;
9570
9571       DrawChooseTree(&artwork.mus_current);
9572     }
9573   }
9574 }